Index: stable/9/sys/cam/ata/ata_all.c =================================================================== --- stable/9/sys/cam/ata/ata_all.c (revision 257049) +++ stable/9/sys/cam/ata/ata_all.c (revision 257050) @@ -1,809 +1,833 @@ /*- * Copyright (c) 2009 Alexander Motin * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #ifdef _KERNEL #include #include #include #include #include #else #include #include #include #include #ifndef min #define min(a,b) (((a)<(b))?(a):(b)) #endif #endif #include #include #include #include #include #include #include #include int ata_version(int ver) { int bit; if (ver == 0xffff) return 0; for (bit = 15; bit >= 0; bit--) if (ver & (1<control & 0x04) return ("SOFT_RESET"); switch (cmd->command) { case 0x00: return ("NOP"); case 0x03: return ("CFA_REQUEST_EXTENDED_ERROR"); case 0x06: switch (cmd->features) { case 0x01: return ("DSM TRIM"); } return "DSM"; case 0x08: return ("DEVICE_RESET"); case 0x20: return ("READ"); case 0x24: return ("READ48"); case 0x25: return ("READ_DMA48"); case 0x26: return ("READ_DMA_QUEUED48"); case 0x27: return ("READ_NATIVE_MAX_ADDRESS48"); case 0x29: return ("READ_MUL48"); case 0x2a: return ("READ_STREAM_DMA48"); case 0x2b: return ("READ_STREAM48"); case 0x2f: return ("READ_LOG_EXT"); case 0x30: return ("WRITE"); case 0x34: return ("WRITE48"); case 0x35: return ("WRITE_DMA48"); case 0x36: return ("WRITE_DMA_QUEUED48"); case 0x37: return ("SET_MAX_ADDRESS48"); case 0x39: return ("WRITE_MUL48"); case 0x3a: return ("WRITE_STREAM_DMA48"); case 0x3b: return ("WRITE_STREAM48"); case 0x3d: return ("WRITE_DMA_FUA48"); case 0x3e: return ("WRITE_DMA_QUEUED_FUA48"); case 0x3f: return ("WRITE_LOG_EXT"); case 0x40: return ("READ_VERIFY"); case 0x42: return ("READ_VERIFY48"); case 0x51: return ("CONFIGURE_STREAM"); case 0x60: return ("READ_FPDMA_QUEUED"); case 0x61: return ("WRITE_FPDMA_QUEUED"); case 0x67: if (cmd->features == 0xec) return ("SEP_ATTN IDENTIFY"); switch (cmd->lba_low) { case 0x00: return ("SEP_ATTN READ BUFFER"); case 0x02: return ("SEP_ATTN RECEIVE DIAGNOSTIC RESULTS"); case 0x80: return ("SEP_ATTN WRITE BUFFER"); case 0x82: return ("SEP_ATTN SEND DIAGNOSTIC"); } return ("SEP_ATTN"); case 0x70: return ("SEEK"); case 0x87: return ("CFA_TRANSLATE_SECTOR"); case 0x90: return ("EXECUTE_DEVICE_DIAGNOSTIC"); case 0x92: return ("DOWNLOAD_MICROCODE"); case 0xa0: return ("PACKET"); case 0xa1: return ("ATAPI_IDENTIFY"); case 0xa2: return ("SERVICE"); case 0xb0: return ("SMART"); case 0xb1: return ("DEVICE CONFIGURATION"); case 0xc0: return ("CFA_ERASE"); case 0xc4: return ("READ_MUL"); case 0xc5: return ("WRITE_MUL"); case 0xc6: return ("SET_MULTI"); case 0xc7: return ("READ_DMA_QUEUED"); case 0xc8: return ("READ_DMA"); case 0xca: return ("WRITE_DMA"); case 0xcc: return ("WRITE_DMA_QUEUED"); case 0xcd: return ("CFA_WRITE_MULTIPLE_WITHOUT_ERASE"); case 0xce: return ("WRITE_MUL_FUA48"); case 0xd1: return ("CHECK_MEDIA_CARD_TYPE"); case 0xda: return ("GET_MEDIA_STATUS"); case 0xde: return ("MEDIA_LOCK"); case 0xdf: return ("MEDIA_UNLOCK"); case 0xe0: return ("STANDBY_IMMEDIATE"); case 0xe1: return ("IDLE_IMMEDIATE"); case 0xe2: return ("STANDBY"); case 0xe3: return ("IDLE"); case 0xe4: return ("READ_BUFFER/PM"); case 0xe5: return ("CHECK_POWER_MODE"); case 0xe6: return ("SLEEP"); case 0xe7: return ("FLUSHCACHE"); case 0xe8: return ("WRITE_PM"); case 0xea: return ("FLUSHCACHE48"); case 0xec: return ("ATA_IDENTIFY"); case 0xed: return ("MEDIA_EJECT"); case 0xef: switch (cmd->features) { case 0x03: return ("SETFEATURES SET TRANSFER MODE"); case 0x02: return ("SETFEATURES ENABLE WCACHE"); case 0x82: return ("SETFEATURES DISABLE WCACHE"); case 0x06: return ("SETFEATURES ENABLE PUIS"); case 0x86: return ("SETFEATURES DISABLE PUIS"); case 0x07: return ("SETFEATURES SPIN-UP"); case 0x10: return ("SETFEATURES ENABLE SATA FEATURE"); case 0x90: return ("SETFEATURES DISABLE SATA FEATURE"); case 0xaa: return ("SETFEATURES ENABLE RCACHE"); case 0x55: return ("SETFEATURES DISABLE RCACHE"); } return "SETFEATURES"; case 0xf1: return ("SECURITY_SET_PASSWORD"); case 0xf2: return ("SECURITY_UNLOCK"); case 0xf3: return ("SECURITY_ERASE_PREPARE"); case 0xf4: return ("SECURITY_ERASE_UNIT"); case 0xf5: return ("SECURITY_FREEZE_LOCK"); case 0xf6: return ("SECURITY_DISABLE_PASSWORD"); case 0xf8: return ("READ_NATIVE_MAX_ADDRESS"); case 0xf9: return ("SET_MAX_ADDRESS"); } return "UNKNOWN"; } char * ata_cmd_string(struct ata_cmd *cmd, char *cmd_string, size_t len) { snprintf(cmd_string, len, "%02x %02x %02x %02x " "%02x %02x %02x %02x %02x %02x %02x %02x", cmd->command, cmd->features, cmd->lba_low, cmd->lba_mid, cmd->lba_high, cmd->device, cmd->lba_low_exp, cmd->lba_mid_exp, cmd->lba_high_exp, cmd->features_exp, cmd->sector_count, cmd->sector_count_exp); return(cmd_string); } char * ata_res_string(struct ata_res *res, char *res_string, size_t len) { snprintf(res_string, len, "%02x %02x %02x %02x " "%02x %02x %02x %02x %02x %02x %02x", res->status, res->error, res->lba_low, res->lba_mid, res->lba_high, res->device, res->lba_low_exp, res->lba_mid_exp, res->lba_high_exp, res->sector_count, res->sector_count_exp); return(res_string); } /* * ata_command_sbuf() returns 0 for success and -1 for failure. */ int ata_command_sbuf(struct ccb_ataio *ataio, struct sbuf *sb) { char cmd_str[(12 * 3) + 1]; sbuf_printf(sb, "%s. ACB: %s", ata_op_string(&ataio->cmd), ata_cmd_string(&ataio->cmd, cmd_str, sizeof(cmd_str))); return(0); } /* * ata_status_abuf() returns 0 for success and -1 for failure. */ int ata_status_sbuf(struct ccb_ataio *ataio, struct sbuf *sb) { sbuf_printf(sb, "ATA status: %02x (%s%s%s%s%s%s%s%s)", ataio->res.status, (ataio->res.status & 0x80) ? "BSY " : "", (ataio->res.status & 0x40) ? "DRDY " : "", (ataio->res.status & 0x20) ? "DF " : "", (ataio->res.status & 0x10) ? "SERV " : "", (ataio->res.status & 0x08) ? "DRQ " : "", (ataio->res.status & 0x04) ? "CORR " : "", (ataio->res.status & 0x02) ? "IDX " : "", (ataio->res.status & 0x01) ? "ERR" : ""); if (ataio->res.status & 1) { sbuf_printf(sb, ", error: %02x (%s%s%s%s%s%s%s%s)", ataio->res.error, (ataio->res.error & 0x80) ? "ICRC " : "", (ataio->res.error & 0x40) ? "UNC " : "", (ataio->res.error & 0x20) ? "MC " : "", (ataio->res.error & 0x10) ? "IDNF " : "", (ataio->res.error & 0x08) ? "MCR " : "", (ataio->res.error & 0x04) ? "ABRT " : "", (ataio->res.error & 0x02) ? "NM " : "", (ataio->res.error & 0x01) ? "ILI" : ""); } return(0); } /* * ata_res_sbuf() returns 0 for success and -1 for failure. */ int ata_res_sbuf(struct ccb_ataio *ataio, struct sbuf *sb) { char res_str[(11 * 3) + 1]; sbuf_printf(sb, "RES: %s", ata_res_string(&ataio->res, res_str, sizeof(res_str))); return(0); } void ata_print_ident(struct ata_params *ident_data) { char product[48], revision[16]; cam_strvis(product, ident_data->model, sizeof(ident_data->model), sizeof(product)); cam_strvis(revision, ident_data->revision, sizeof(ident_data->revision), sizeof(revision)); printf("<%s %s> %s-%d", product, revision, (ident_data->config == ATA_PROTO_CFA) ? "CFA" : (ident_data->config & ATA_PROTO_ATAPI) ? "ATAPI" : "ATA", ata_version(ident_data->version_major)); if (ident_data->satacapabilities && ident_data->satacapabilities != 0xffff) { if (ident_data->satacapabilities & ATA_SATA_GEN3) printf(" SATA 3.x"); else if (ident_data->satacapabilities & ATA_SATA_GEN2) printf(" SATA 2.x"); else if (ident_data->satacapabilities & ATA_SATA_GEN1) printf(" SATA 1.x"); else printf(" SATA"); } printf(" device\n"); } void +ata_print_ident_short(struct ata_params *ident_data) +{ + char product[48], revision[16]; + + cam_strvis(product, ident_data->model, sizeof(ident_data->model), + sizeof(product)); + cam_strvis(revision, ident_data->revision, sizeof(ident_data->revision), + sizeof(revision)); + printf("<%s %s>", product, revision); +} + +void semb_print_ident(struct sep_identify_data *ident_data) { char vendor[9], product[17], revision[5], fw[5], in[7], ins[5]; cam_strvis(vendor, ident_data->vendor_id, 8, sizeof(vendor)); cam_strvis(product, ident_data->product_id, 16, sizeof(product)); cam_strvis(revision, ident_data->product_rev, 4, sizeof(revision)); cam_strvis(fw, ident_data->firmware_rev, 4, sizeof(fw)); cam_strvis(in, ident_data->interface_id, 6, sizeof(in)); cam_strvis(ins, ident_data->interface_rev, 4, sizeof(ins)); printf("<%s %s %s %s> SEMB %s %s device\n", vendor, product, revision, fw, in, ins); +} + +void +semb_print_ident_short(struct sep_identify_data *ident_data) +{ + char vendor[9], product[17], revision[5], fw[5]; + + cam_strvis(vendor, ident_data->vendor_id, 8, sizeof(vendor)); + cam_strvis(product, ident_data->product_id, 16, sizeof(product)); + cam_strvis(revision, ident_data->product_rev, 4, sizeof(revision)); + cam_strvis(fw, ident_data->firmware_rev, 4, sizeof(fw)); + printf("<%s %s %s %s>", vendor, product, revision, fw); } uint32_t ata_logical_sector_size(struct ata_params *ident_data) { if ((ident_data->pss & 0xc000) == 0x4000 && (ident_data->pss & ATA_PSS_LSSABOVE512)) { return ((u_int32_t)ident_data->lss_1 | ((u_int32_t)ident_data->lss_2 << 16)); } return (512); } uint64_t ata_physical_sector_size(struct ata_params *ident_data) { if ((ident_data->pss & 0xc000) == 0x4000 && (ident_data->pss & ATA_PSS_MULTLS)) { return ((uint64_t)ata_logical_sector_size(ident_data) * (1 << (ident_data->pss & ATA_PSS_LSPPS))); } return (512); } uint64_t ata_logical_sector_offset(struct ata_params *ident_data) { if ((ident_data->lsalign & 0xc000) == 0x4000) { return ((uint64_t)ata_logical_sector_size(ident_data) * (ident_data->lsalign & 0x3fff)); } return (0); } void ata_28bit_cmd(struct ccb_ataio *ataio, uint8_t cmd, uint8_t features, uint32_t lba, uint8_t sector_count) { bzero(&ataio->cmd, sizeof(ataio->cmd)); ataio->cmd.flags = 0; if (cmd == ATA_READ_DMA || cmd == ATA_READ_DMA_QUEUED || cmd == ATA_WRITE_DMA || cmd == ATA_WRITE_DMA_QUEUED) ataio->cmd.flags |= CAM_ATAIO_DMA; ataio->cmd.command = cmd; ataio->cmd.features = features; ataio->cmd.lba_low = lba; ataio->cmd.lba_mid = lba >> 8; ataio->cmd.lba_high = lba >> 16; ataio->cmd.device = ATA_DEV_LBA | ((lba >> 24) & 0x0f); ataio->cmd.sector_count = sector_count; } void ata_48bit_cmd(struct ccb_ataio *ataio, uint8_t cmd, uint16_t features, uint64_t lba, uint16_t sector_count) { ataio->cmd.flags = CAM_ATAIO_48BIT; if (cmd == ATA_READ_DMA48 || cmd == ATA_READ_DMA_QUEUED48 || cmd == ATA_READ_STREAM_DMA48 || cmd == ATA_WRITE_DMA48 || cmd == ATA_WRITE_DMA_FUA48 || cmd == ATA_WRITE_DMA_QUEUED48 || cmd == ATA_WRITE_DMA_QUEUED_FUA48 || cmd == ATA_WRITE_STREAM_DMA48 || cmd == ATA_DATA_SET_MANAGEMENT) ataio->cmd.flags |= CAM_ATAIO_DMA; ataio->cmd.command = cmd; ataio->cmd.features = features; ataio->cmd.lba_low = lba; ataio->cmd.lba_mid = lba >> 8; ataio->cmd.lba_high = lba >> 16; ataio->cmd.device = ATA_DEV_LBA; ataio->cmd.lba_low_exp = lba >> 24; ataio->cmd.lba_mid_exp = lba >> 32; ataio->cmd.lba_high_exp = lba >> 40; ataio->cmd.features_exp = features >> 8; ataio->cmd.sector_count = sector_count; ataio->cmd.sector_count_exp = sector_count >> 8; ataio->cmd.control = 0; } void ata_ncq_cmd(struct ccb_ataio *ataio, uint8_t cmd, uint64_t lba, uint16_t sector_count) { ataio->cmd.flags = CAM_ATAIO_48BIT | CAM_ATAIO_FPDMA; ataio->cmd.command = cmd; ataio->cmd.features = sector_count; ataio->cmd.lba_low = lba; ataio->cmd.lba_mid = lba >> 8; ataio->cmd.lba_high = lba >> 16; ataio->cmd.device = ATA_DEV_LBA; ataio->cmd.lba_low_exp = lba >> 24; ataio->cmd.lba_mid_exp = lba >> 32; ataio->cmd.lba_high_exp = lba >> 40; ataio->cmd.features_exp = sector_count >> 8; ataio->cmd.sector_count = 0; ataio->cmd.sector_count_exp = 0; ataio->cmd.control = 0; } void ata_reset_cmd(struct ccb_ataio *ataio) { bzero(&ataio->cmd, sizeof(ataio->cmd)); ataio->cmd.flags = CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT; ataio->cmd.control = 0x04; } void ata_pm_read_cmd(struct ccb_ataio *ataio, int reg, int port) { bzero(&ataio->cmd, sizeof(ataio->cmd)); ataio->cmd.flags = CAM_ATAIO_NEEDRESULT; ataio->cmd.command = ATA_READ_PM; ataio->cmd.features = reg; ataio->cmd.device = port & 0x0f; } void ata_pm_write_cmd(struct ccb_ataio *ataio, int reg, int port, uint32_t val) { bzero(&ataio->cmd, sizeof(ataio->cmd)); ataio->cmd.flags = 0; ataio->cmd.command = ATA_WRITE_PM; ataio->cmd.features = reg; ataio->cmd.sector_count = val; ataio->cmd.lba_low = val >> 8; ataio->cmd.lba_mid = val >> 16; ataio->cmd.lba_high = val >> 24; ataio->cmd.device = port & 0x0f; } void ata_bswap(int8_t *buf, int len) { u_int16_t *ptr = (u_int16_t*)(buf + len); while (--ptr >= (u_int16_t*)buf) *ptr = be16toh(*ptr); } void ata_btrim(int8_t *buf, int len) { int8_t *ptr; for (ptr = buf; ptr < buf+len; ++ptr) if (!*ptr || *ptr == '_') *ptr = ' '; for (ptr = buf + len - 1; ptr >= buf && *ptr == ' '; --ptr) *ptr = 0; } void ata_bpack(int8_t *src, int8_t *dst, int len) { int i, j, blank; for (i = j = blank = 0 ; i < len; i++) { if (blank && src[i] == ' ') continue; if (blank && src[i] != ' ') { dst[j++] = src[i]; blank = 0; continue; } if (src[i] == ' ') { blank = 1; if (i == 0) continue; } dst[j++] = src[i]; } while (j < len) dst[j++] = 0x00; } int ata_max_pmode(struct ata_params *ap) { if (ap->atavalid & ATA_FLAG_64_70) { if (ap->apiomodes & 0x02) return ATA_PIO4; if (ap->apiomodes & 0x01) return ATA_PIO3; } if (ap->mwdmamodes & 0x04) return ATA_PIO4; if (ap->mwdmamodes & 0x02) return ATA_PIO3; if (ap->mwdmamodes & 0x01) return ATA_PIO2; if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x200) return ATA_PIO2; if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x100) return ATA_PIO1; if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x000) return ATA_PIO0; return ATA_PIO0; } int ata_max_wmode(struct ata_params *ap) { if (ap->mwdmamodes & 0x04) return ATA_WDMA2; if (ap->mwdmamodes & 0x02) return ATA_WDMA1; if (ap->mwdmamodes & 0x01) return ATA_WDMA0; return -1; } int ata_max_umode(struct ata_params *ap) { if (ap->atavalid & ATA_FLAG_88) { if (ap->udmamodes & 0x40) return ATA_UDMA6; if (ap->udmamodes & 0x20) return ATA_UDMA5; if (ap->udmamodes & 0x10) return ATA_UDMA4; if (ap->udmamodes & 0x08) return ATA_UDMA3; if (ap->udmamodes & 0x04) return ATA_UDMA2; if (ap->udmamodes & 0x02) return ATA_UDMA1; if (ap->udmamodes & 0x01) return ATA_UDMA0; } return -1; } int ata_max_mode(struct ata_params *ap, int maxmode) { if (maxmode == 0) maxmode = ATA_DMA_MAX; if (maxmode >= ATA_UDMA0 && ata_max_umode(ap) > 0) return (min(maxmode, ata_max_umode(ap))); if (maxmode >= ATA_WDMA0 && ata_max_wmode(ap) > 0) return (min(maxmode, ata_max_wmode(ap))); return (min(maxmode, ata_max_pmode(ap))); } char * ata_mode2string(int mode) { switch (mode) { case -1: return "UNSUPPORTED"; case 0: return "NONE"; case ATA_PIO0: return "PIO0"; case ATA_PIO1: return "PIO1"; case ATA_PIO2: return "PIO2"; case ATA_PIO3: return "PIO3"; case ATA_PIO4: return "PIO4"; case ATA_WDMA0: return "WDMA0"; case ATA_WDMA1: return "WDMA1"; case ATA_WDMA2: return "WDMA2"; case ATA_UDMA0: return "UDMA0"; case ATA_UDMA1: return "UDMA1"; case ATA_UDMA2: return "UDMA2"; case ATA_UDMA3: return "UDMA3"; case ATA_UDMA4: return "UDMA4"; case ATA_UDMA5: return "UDMA5"; case ATA_UDMA6: return "UDMA6"; default: if (mode & ATA_DMA_MASK) return "BIOSDMA"; else return "BIOSPIO"; } } int ata_string2mode(char *str) { if (!strcasecmp(str, "PIO0")) return (ATA_PIO0); if (!strcasecmp(str, "PIO1")) return (ATA_PIO1); if (!strcasecmp(str, "PIO2")) return (ATA_PIO2); if (!strcasecmp(str, "PIO3")) return (ATA_PIO3); if (!strcasecmp(str, "PIO4")) return (ATA_PIO4); if (!strcasecmp(str, "WDMA0")) return (ATA_WDMA0); if (!strcasecmp(str, "WDMA1")) return (ATA_WDMA1); if (!strcasecmp(str, "WDMA2")) return (ATA_WDMA2); if (!strcasecmp(str, "UDMA0")) return (ATA_UDMA0); if (!strcasecmp(str, "UDMA16")) return (ATA_UDMA0); if (!strcasecmp(str, "UDMA1")) return (ATA_UDMA1); if (!strcasecmp(str, "UDMA25")) return (ATA_UDMA1); if (!strcasecmp(str, "UDMA2")) return (ATA_UDMA2); if (!strcasecmp(str, "UDMA33")) return (ATA_UDMA2); if (!strcasecmp(str, "UDMA3")) return (ATA_UDMA3); if (!strcasecmp(str, "UDMA44")) return (ATA_UDMA3); if (!strcasecmp(str, "UDMA4")) return (ATA_UDMA4); if (!strcasecmp(str, "UDMA66")) return (ATA_UDMA4); if (!strcasecmp(str, "UDMA5")) return (ATA_UDMA5); if (!strcasecmp(str, "UDMA100")) return (ATA_UDMA5); if (!strcasecmp(str, "UDMA6")) return (ATA_UDMA6); if (!strcasecmp(str, "UDMA133")) return (ATA_UDMA6); return (-1); } u_int ata_mode2speed(int mode) { switch (mode) { case ATA_PIO0: default: return (3300); case ATA_PIO1: return (5200); case ATA_PIO2: return (8300); case ATA_PIO3: return (11100); case ATA_PIO4: return (16700); case ATA_WDMA0: return (4200); case ATA_WDMA1: return (13300); case ATA_WDMA2: return (16700); case ATA_UDMA0: return (16700); case ATA_UDMA1: return (25000); case ATA_UDMA2: return (33300); case ATA_UDMA3: return (44400); case ATA_UDMA4: return (66700); case ATA_UDMA5: return (100000); case ATA_UDMA6: return (133000); } } u_int ata_revision2speed(int revision) { switch (revision) { case 1: default: return (150000); case 2: return (300000); case 3: return (600000); } } int ata_speed2revision(u_int speed) { switch (speed) { case 0: return (0); case 150000: return (1); case 300000: return (2); case 600000: return (3); default: return (-1); } } int ata_identify_match(caddr_t identbuffer, caddr_t table_entry) { struct scsi_inquiry_pattern *entry; struct ata_params *ident; entry = (struct scsi_inquiry_pattern *)table_entry; ident = (struct ata_params *)identbuffer; if ((cam_strmatch(ident->model, entry->product, sizeof(ident->model)) == 0) && (cam_strmatch(ident->revision, entry->revision, sizeof(ident->revision)) == 0)) { return (0); } return (-1); } int ata_static_identify_match(caddr_t identbuffer, caddr_t table_entry) { struct scsi_static_inquiry_pattern *entry; struct ata_params *ident; entry = (struct scsi_static_inquiry_pattern *)table_entry; ident = (struct ata_params *)identbuffer; if ((cam_strmatch(ident->model, entry->product, sizeof(ident->model)) == 0) && (cam_strmatch(ident->revision, entry->revision, sizeof(ident->revision)) == 0)) { return (0); } return (-1); } void semb_receive_diagnostic_results(struct ccb_ataio *ataio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb*), uint8_t tag_action, int pcv, uint8_t page_code, uint8_t *data_ptr, uint16_t length, uint32_t timeout) { length = min(length, 1020); length = (length + 3) & ~3; cam_fill_ataio(ataio, retries, cbfcnp, /*flags*/CAM_DIR_IN, tag_action, data_ptr, length, timeout); ata_28bit_cmd(ataio, ATA_SEP_ATTN, pcv ? page_code : 0, 0x02, length / 4); } void semb_send_diagnostic(struct ccb_ataio *ataio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), uint8_t tag_action, uint8_t *data_ptr, uint16_t length, uint32_t timeout) { length = min(length, 1020); length = (length + 3) & ~3; cam_fill_ataio(ataio, retries, cbfcnp, /*flags*/length ? CAM_DIR_OUT : CAM_DIR_NONE, tag_action, data_ptr, length, timeout); ata_28bit_cmd(ataio, ATA_SEP_ATTN, length > 0 ? data_ptr[0] : 0, 0x82, length / 4); } void semb_read_buffer(struct ccb_ataio *ataio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb*), uint8_t tag_action, uint8_t page_code, uint8_t *data_ptr, uint16_t length, uint32_t timeout) { length = min(length, 1020); length = (length + 3) & ~3; cam_fill_ataio(ataio, retries, cbfcnp, /*flags*/CAM_DIR_IN, tag_action, data_ptr, length, timeout); ata_28bit_cmd(ataio, ATA_SEP_ATTN, page_code, 0x00, length / 4); } void semb_write_buffer(struct ccb_ataio *ataio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), uint8_t tag_action, uint8_t *data_ptr, uint16_t length, uint32_t timeout) { length = min(length, 1020); length = (length + 3) & ~3; cam_fill_ataio(ataio, retries, cbfcnp, /*flags*/length ? CAM_DIR_OUT : CAM_DIR_NONE, tag_action, data_ptr, length, timeout); ata_28bit_cmd(ataio, ATA_SEP_ATTN, length > 0 ? data_ptr[0] : 0, 0x80, length / 4); } Index: stable/9/sys/cam/ata/ata_all.h =================================================================== --- stable/9/sys/cam/ata/ata_all.h (revision 257049) +++ stable/9/sys/cam/ata/ata_all.h (revision 257050) @@ -1,167 +1,169 @@ /*- * Copyright (c) 2009 Alexander Motin * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ #ifndef CAM_ATA_ALL_H #define CAM_ATA_ALL_H 1 #include struct ccb_ataio; struct cam_periph; union ccb; #define SID_DMA48 0x01 /* Abuse inq_flags bit to track enabled DMA48. */ #define SID_AEN 0x04 /* Abuse inq_flags bit to track enabled AEN. */ #define SID_DMA 0x10 /* Abuse inq_flags bit to track enabled DMA. */ struct ata_cmd { u_int8_t flags; /* ATA command flags */ #define CAM_ATAIO_48BIT 0x01 /* Command has 48-bit format */ #define CAM_ATAIO_FPDMA 0x02 /* FPDMA command */ #define CAM_ATAIO_CONTROL 0x04 /* Control, not a command */ #define CAM_ATAIO_NEEDRESULT 0x08 /* Request requires result. */ #define CAM_ATAIO_DMA 0x10 /* DMA command */ u_int8_t command; u_int8_t features; u_int8_t lba_low; u_int8_t lba_mid; u_int8_t lba_high; u_int8_t device; u_int8_t lba_low_exp; u_int8_t lba_mid_exp; u_int8_t lba_high_exp; u_int8_t features_exp; u_int8_t sector_count; u_int8_t sector_count_exp; u_int8_t control; }; struct ata_res { u_int8_t flags; /* ATA command flags */ #define CAM_ATAIO_48BIT 0x01 /* Command has 48-bit format */ u_int8_t status; u_int8_t error; u_int8_t lba_low; u_int8_t lba_mid; u_int8_t lba_high; u_int8_t device; u_int8_t lba_low_exp; u_int8_t lba_mid_exp; u_int8_t lba_high_exp; u_int8_t sector_count; u_int8_t sector_count_exp; }; struct sep_identify_data { uint8_t length; /* Enclosure descriptor length */ uint8_t subenc_id; /* Sub-enclosure identifier */ uint8_t logical_id[8]; /* Enclosure logical identifier (WWN) */ uint8_t vendor_id[8]; /* Vendor identification string */ uint8_t product_id[16]; /* Product identification string */ uint8_t product_rev[4]; /* Product revision string */ uint8_t channel_id; /* Channel identifier */ uint8_t firmware_rev[4];/* Firmware revision */ uint8_t interface_id[6];/* Interface spec ("S-E-S "/"SAF-TE")*/ uint8_t interface_rev[4];/* Interface spec revision */ uint8_t vend_spec[11]; /* Vendor specific information */ }; int ata_version(int ver); char * ata_op_string(struct ata_cmd *cmd); char * ata_cmd_string(struct ata_cmd *cmd, char *cmd_string, size_t len); char * ata_res_string(struct ata_res *res, char *res_string, size_t len); int ata_command_sbuf(struct ccb_ataio *ataio, struct sbuf *sb); int ata_status_sbuf(struct ccb_ataio *ataio, struct sbuf *sb); int ata_res_sbuf(struct ccb_ataio *ataio, struct sbuf *sb); void ata_print_ident(struct ata_params *ident_data); +void ata_print_ident_short(struct ata_params *ident_data); uint32_t ata_logical_sector_size(struct ata_params *ident_data); uint64_t ata_physical_sector_size(struct ata_params *ident_data); uint64_t ata_logical_sector_offset(struct ata_params *ident_data); void ata_28bit_cmd(struct ccb_ataio *ataio, uint8_t cmd, uint8_t features, uint32_t lba, uint8_t sector_count); void ata_48bit_cmd(struct ccb_ataio *ataio, uint8_t cmd, uint16_t features, uint64_t lba, uint16_t sector_count); void ata_ncq_cmd(struct ccb_ataio *ataio, uint8_t cmd, uint64_t lba, uint16_t sector_count); void ata_reset_cmd(struct ccb_ataio *ataio); void ata_pm_read_cmd(struct ccb_ataio *ataio, int reg, int port); void ata_pm_write_cmd(struct ccb_ataio *ataio, int reg, int port, uint32_t val); void ata_bswap(int8_t *buf, int len); void ata_btrim(int8_t *buf, int len); void ata_bpack(int8_t *src, int8_t *dst, int len); int ata_max_pmode(struct ata_params *ap); int ata_max_wmode(struct ata_params *ap); int ata_max_umode(struct ata_params *ap); int ata_max_mode(struct ata_params *ap, int maxmode); char * ata_mode2string(int mode); int ata_string2mode(char *str); u_int ata_mode2speed(int mode); u_int ata_revision2speed(int revision); int ata_speed2revision(u_int speed); int ata_identify_match(caddr_t identbuffer, caddr_t table_entry); int ata_static_identify_match(caddr_t identbuffer, caddr_t table_entry); void semb_print_ident(struct sep_identify_data *ident_data); +void semb_print_ident_short(struct sep_identify_data *ident_data); void semb_receive_diagnostic_results(struct ccb_ataio *ataio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb*), uint8_t tag_action, int pcv, uint8_t page_code, uint8_t *data_ptr, uint16_t allocation_length, uint32_t timeout); void semb_send_diagnostic(struct ccb_ataio *ataio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), uint8_t tag_action, uint8_t *data_ptr, uint16_t param_list_length, uint32_t timeout); void semb_read_buffer(struct ccb_ataio *ataio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb*), uint8_t tag_action, uint8_t page_code, uint8_t *data_ptr, uint16_t allocation_length, uint32_t timeout); void semb_write_buffer(struct ccb_ataio *ataio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), uint8_t tag_action, uint8_t *data_ptr, uint16_t param_list_length, uint32_t timeout); #endif Index: stable/9/sys/cam/ata/ata_da.c =================================================================== --- stable/9/sys/cam/ata/ata_da.c (revision 257049) +++ stable/9/sys/cam/ata/ata_da.c (revision 257050) @@ -1,2104 +1,2102 @@ /*- * Copyright (c) 2009 Alexander Motin * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include "opt_ada.h" #include "opt_ata.h" #include #ifdef _KERNEL #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #endif /* _KERNEL */ #ifndef _KERNEL #include #include #endif /* _KERNEL */ #include #include #include #include #include #include #include /* geometry translation */ #ifdef _KERNEL #define ATA_MAX_28BIT_LBA 268435455UL typedef enum { ADA_STATE_RAHEAD, ADA_STATE_WCACHE, ADA_STATE_NORMAL } ada_state; typedef enum { ADA_FLAG_CAN_48BIT = 0x0002, ADA_FLAG_CAN_FLUSHCACHE = 0x0004, ADA_FLAG_CAN_NCQ = 0x0008, ADA_FLAG_CAN_DMA = 0x0010, ADA_FLAG_NEED_OTAG = 0x0020, ADA_FLAG_WENT_IDLE = 0x0040, ADA_FLAG_CAN_TRIM = 0x0080, ADA_FLAG_OPEN = 0x0100, ADA_FLAG_SCTX_INIT = 0x0200, ADA_FLAG_CAN_CFA = 0x0400, ADA_FLAG_CAN_POWERMGT = 0x0800, ADA_FLAG_CAN_DMA48 = 0x1000, ADA_FLAG_DIRTY = 0x2000 } ada_flags; typedef enum { ADA_Q_NONE = 0x00, ADA_Q_4K = 0x01, } ada_quirks; #define ADA_Q_BIT_STRING \ "\020" \ "\0014K" typedef enum { ADA_CCB_RAHEAD = 0x01, ADA_CCB_WCACHE = 0x02, ADA_CCB_BUFFER_IO = 0x03, ADA_CCB_WAITING = 0x04, ADA_CCB_DUMP = 0x05, ADA_CCB_TRIM = 0x06, ADA_CCB_TYPE_MASK = 0x0F, } ada_ccb_state; /* Offsets into our private area for storing information */ #define ccb_state ppriv_field0 #define ccb_bp ppriv_ptr1 struct disk_params { u_int8_t heads; u_int8_t secs_per_track; u_int32_t cylinders; u_int32_t secsize; /* Number of bytes/logical sector */ u_int64_t sectors; /* Total number sectors */ }; #define TRIM_MAX_BLOCKS 8 #define TRIM_MAX_RANGES (TRIM_MAX_BLOCKS * ATA_DSM_BLK_RANGES) #define TRIM_MAX_BIOS (TRIM_MAX_RANGES * 4) struct trim_request { uint8_t data[TRIM_MAX_RANGES * ATA_DSM_RANGE_SIZE]; struct bio *bps[TRIM_MAX_BIOS]; }; struct ada_softc { struct bio_queue_head bio_queue; struct bio_queue_head trim_queue; ada_state state; ada_flags flags; ada_quirks quirks; int sort_io_queue; int ordered_tag_count; int outstanding_cmds; int trim_max_ranges; int trim_running; int read_ahead; int write_cache; #ifdef ADA_TEST_FAILURE int force_read_error; int force_write_error; int periodic_read_error; int periodic_read_count; #endif struct disk_params params; struct disk *disk; struct task sysctl_task; struct sysctl_ctx_list sysctl_ctx; struct sysctl_oid *sysctl_tree; struct callout sendordered_c; struct trim_request trim_req; }; struct ada_quirk_entry { struct scsi_inquiry_pattern inq_pat; ada_quirks quirks; }; static struct ada_quirk_entry ada_quirk_table[] = { { /* Hitachi Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "Hitachi H??????????E3*", "*" }, /*quirks*/ADA_Q_4K }, { /* Samsung Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD155UI*", "*" }, /*quirks*/ADA_Q_4K }, { /* Samsung Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD204UI*", "*" }, /*quirks*/ADA_Q_4K }, { /* Seagate Barracuda Green Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DL*", "*" }, /*quirks*/ADA_Q_4K }, { /* Seagate Barracuda Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???DM*", "*" }, /*quirks*/ADA_Q_4K }, { /* Seagate Barracuda Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DM*", "*" }, /*quirks*/ADA_Q_4K }, { /* Seagate Momentus Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500423AS*", "*" }, /*quirks*/ADA_Q_4K }, { /* Seagate Momentus Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500424AS*", "*" }, /*quirks*/ADA_Q_4K }, { /* Seagate Momentus Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640423AS*", "*" }, /*quirks*/ADA_Q_4K }, { /* Seagate Momentus Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640424AS*", "*" }, /*quirks*/ADA_Q_4K }, { /* Seagate Momentus Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750420AS*", "*" }, /*quirks*/ADA_Q_4K }, { /* Seagate Momentus Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750422AS*", "*" }, /*quirks*/ADA_Q_4K }, { /* Seagate Momentus Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750423AS*", "*" }, /*quirks*/ADA_Q_4K }, { /* Seagate Momentus Thin Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???LT*", "*" }, /*quirks*/ADA_Q_4K }, { /* WDC Caviar Green Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RS*", "*" }, /*quirks*/ADA_Q_4K }, { /* WDC Caviar Green Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RX*", "*" }, /*quirks*/ADA_Q_4K }, { /* WDC Caviar Green Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RS*", "*" }, /*quirks*/ADA_Q_4K }, { /* WDC Caviar Green Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RX*", "*" }, /*quirks*/ADA_Q_4K }, { /* WDC Scorpio Black Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PKT*", "*" }, /*quirks*/ADA_Q_4K }, { /* WDC Scorpio Black Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PKT*", "*" }, /*quirks*/ADA_Q_4K }, { /* WDC Scorpio Blue Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PVT*", "*" }, /*quirks*/ADA_Q_4K }, { /* WDC Scorpio Blue Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PVT*", "*" }, /*quirks*/ADA_Q_4K }, /* SSDs */ { /* * Corsair Force 2 SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair CSSD-F*", "*" }, /*quirks*/ADA_Q_4K }, { /* * Corsair Force 3 SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force 3*", "*" }, /*quirks*/ADA_Q_4K }, { /* * Corsair Force GT SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force GT*", "*" }, /*quirks*/ADA_Q_4K }, { /* * Crucial M4 SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "M4-CT???M4SSD2*", "*" }, /*quirks*/ADA_Q_4K }, { /* * Crucial RealSSD C300 SSDs * 4k optimised */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "C300-CTFDDAC???MAG*", "*" }, /*quirks*/ADA_Q_4K }, { /* * Intel 320 Series SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2CW*", "*" }, /*quirks*/ADA_Q_4K }, { /* * Intel 330 Series SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2CT*", "*" }, /*quirks*/ADA_Q_4K }, { /* * Intel 510 Series SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2MH*", "*" }, /*quirks*/ADA_Q_4K }, { /* * Intel 520 Series SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2BW*", "*" }, /*quirks*/ADA_Q_4K }, { /* * Intel X25-M Series SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2M*", "*" }, /*quirks*/ADA_Q_4K }, { /* * Kingston E100 Series SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SE100S3*", "*" }, /*quirks*/ADA_Q_4K }, { /* * Kingston HyperX 3k SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SH103S3*", "*" }, /*quirks*/ADA_Q_4K }, { /* * Marvell SSDs (entry taken from OpenSolaris) * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "MARVELL SD88SA02*", "*" }, /*quirks*/ADA_Q_4K }, { /* * OCZ Agility 2 SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" }, /*quirks*/ADA_Q_4K }, { /* * OCZ Agility 3 SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY3*", "*" }, /*quirks*/ADA_Q_4K }, { /* * OCZ Deneva R Series SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "DENRSTE251M45*", "*" }, /*quirks*/ADA_Q_4K }, { /* * OCZ Vertex 2 SSDs (inc pro series) * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ?VERTEX2*", "*" }, /*quirks*/ADA_Q_4K }, { /* * OCZ Vertex 3 SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX3*", "*" }, /*quirks*/ADA_Q_4K }, { /* * OCZ Vertex 4 SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX4*", "*" }, /*quirks*/ADA_Q_4K }, { /* * Samsung 830 Series SSDs * 4k optimised */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG SSD 830 Series*", "*" }, /*quirks*/ADA_Q_4K }, { /* * SuperTalent TeraDrive CT SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "FTM??CT25H*", "*" }, /*quirks*/ADA_Q_4K }, { /* * XceedIOPS SATA SSDs * 4k optimised */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "SG9XCS2D*", "*" }, /*quirks*/ADA_Q_4K }, { /* Default */ { T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, /*vendor*/"*", /*product*/"*", /*revision*/"*" }, /*quirks*/0 }, }; static disk_strategy_t adastrategy; static dumper_t adadump; static periph_init_t adainit; static void adaasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg); static void adasysctlinit(void *context, int pending); static periph_ctor_t adaregister; static periph_dtor_t adacleanup; static periph_start_t adastart; static periph_oninv_t adaoninvalidate; static void adadone(struct cam_periph *periph, union ccb *done_ccb); static int adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags); static void adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd); static timeout_t adasendorderedtag; static void adashutdown(void *arg, int howto); static void adasuspend(void *arg); static void adaresume(void *arg); #ifndef ADA_DEFAULT_LEGACY_ALIASES #ifdef ATA_CAM #define ADA_DEFAULT_LEGACY_ALIASES 1 #else #define ADA_DEFAULT_LEGACY_ALIASES 0 #endif #endif #ifndef ADA_DEFAULT_TIMEOUT #define ADA_DEFAULT_TIMEOUT 30 /* Timeout in seconds */ #endif #ifndef ADA_DEFAULT_RETRY #define ADA_DEFAULT_RETRY 4 #endif #ifndef ADA_DEFAULT_SEND_ORDERED #define ADA_DEFAULT_SEND_ORDERED 1 #endif #ifndef ADA_DEFAULT_SPINDOWN_SHUTDOWN #define ADA_DEFAULT_SPINDOWN_SHUTDOWN 1 #endif #ifndef ADA_DEFAULT_SPINDOWN_SUSPEND #define ADA_DEFAULT_SPINDOWN_SUSPEND 1 #endif #ifndef ADA_DEFAULT_READ_AHEAD #define ADA_DEFAULT_READ_AHEAD 1 #endif #ifndef ADA_DEFAULT_WRITE_CACHE #define ADA_DEFAULT_WRITE_CACHE 1 #endif #define ADA_RA (softc->read_ahead >= 0 ? \ softc->read_ahead : ada_read_ahead) #define ADA_WC (softc->write_cache >= 0 ? \ softc->write_cache : ada_write_cache) #define ADA_SIO (softc->sort_io_queue >= 0 ? \ softc->sort_io_queue : cam_sort_io_queues) /* * Most platforms map firmware geometry to actual, but some don't. If * not overridden, default to nothing. */ #ifndef ata_disk_firmware_geom_adjust #define ata_disk_firmware_geom_adjust(disk) #endif static int ada_legacy_aliases = ADA_DEFAULT_LEGACY_ALIASES; static int ada_retry_count = ADA_DEFAULT_RETRY; static int ada_default_timeout = ADA_DEFAULT_TIMEOUT; static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED; static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN; static int ada_spindown_suspend = ADA_DEFAULT_SPINDOWN_SUSPEND; static int ada_read_ahead = ADA_DEFAULT_READ_AHEAD; static int ada_write_cache = ADA_DEFAULT_WRITE_CACHE; static SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD, 0, "CAM Direct Access Disk driver"); SYSCTL_INT(_kern_cam_ada, OID_AUTO, legacy_aliases, CTLFLAG_RW, &ada_legacy_aliases, 0, "Create legacy-like device aliases"); TUNABLE_INT("kern.cam.ada.legacy_aliases", &ada_legacy_aliases); SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RW, &ada_retry_count, 0, "Normal I/O retry count"); TUNABLE_INT("kern.cam.ada.retry_count", &ada_retry_count); SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RW, &ada_default_timeout, 0, "Normal I/O timeout (in seconds)"); TUNABLE_INT("kern.cam.ada.default_timeout", &ada_default_timeout); SYSCTL_INT(_kern_cam_ada, OID_AUTO, send_ordered, CTLFLAG_RW, &ada_send_ordered, 0, "Send Ordered Tags"); TUNABLE_INT("kern.cam.ada.send_ordered", &ada_send_ordered); SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RW, &ada_spindown_shutdown, 0, "Spin down upon shutdown"); TUNABLE_INT("kern.cam.ada.spindown_shutdown", &ada_spindown_shutdown); SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_suspend, CTLFLAG_RW, &ada_spindown_suspend, 0, "Spin down upon suspend"); TUNABLE_INT("kern.cam.ada.spindown_suspend", &ada_spindown_suspend); SYSCTL_INT(_kern_cam_ada, OID_AUTO, read_ahead, CTLFLAG_RW, &ada_read_ahead, 0, "Enable disk read-ahead"); TUNABLE_INT("kern.cam.ada.read_ahead", &ada_read_ahead); SYSCTL_INT(_kern_cam_ada, OID_AUTO, write_cache, CTLFLAG_RW, &ada_write_cache, 0, "Enable disk write cache"); TUNABLE_INT("kern.cam.ada.write_cache", &ada_write_cache); /* * ADA_ORDEREDTAG_INTERVAL determines how often, relative * to the default timeout, we check to see whether an ordered * tagged transaction is appropriate to prevent simple tag * starvation. Since we'd like to ensure that there is at least * 1/2 of the timeout length left for a starved transaction to * complete after we've sent an ordered tag, we must poll at least * four times in every timeout period. This takes care of the worst * case where a starved transaction starts during an interval that * meets the requirement "don't send an ordered tag" test so it takes * us two intervals to determine that a tag must be sent. */ #ifndef ADA_ORDEREDTAG_INTERVAL #define ADA_ORDEREDTAG_INTERVAL 4 #endif static struct periph_driver adadriver = { adainit, "ada", TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0 }; PERIPHDRIVER_DECLARE(ada, adadriver); static MALLOC_DEFINE(M_ATADA, "ata_da", "ata_da buffers"); static int adaopen(struct disk *dp) { struct cam_periph *periph; struct ada_softc *softc; int error; periph = (struct cam_periph *)dp->d_drv1; if (cam_periph_acquire(periph) != CAM_REQ_CMP) { return(ENXIO); } cam_periph_lock(periph); if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { cam_periph_unlock(periph); cam_periph_release(periph); return (error); } CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, ("adaopen\n")); softc = (struct ada_softc *)periph->softc; softc->flags |= ADA_FLAG_OPEN; cam_periph_unhold(periph); cam_periph_unlock(periph); return (0); } static int adaclose(struct disk *dp) { struct cam_periph *periph; struct ada_softc *softc; union ccb *ccb; int error; periph = (struct cam_periph *)dp->d_drv1; cam_periph_lock(periph); if (cam_periph_hold(periph, PRIBIO) != 0) { cam_periph_unlock(periph); cam_periph_release(periph); return (0); } softc = (struct ada_softc *)periph->softc; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, ("adaclose\n")); /* We only sync the cache if the drive is capable of it. */ if ((softc->flags & ADA_FLAG_DIRTY) != 0 && (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) != 0 && (periph->flags & CAM_PERIPH_INVALID) == 0) { ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); cam_fill_ataio(&ccb->ataio, 1, adadone, CAM_DIR_NONE, 0, NULL, 0, ada_default_timeout*1000); if (softc->flags & ADA_FLAG_CAN_48BIT) ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); else ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, /*sense_flags*/0, softc->disk->d_devstat); if (error != 0) xpt_print(periph->path, "Synchronize cache failed\n"); else softc->flags &= ~ADA_FLAG_DIRTY; xpt_release_ccb(ccb); } softc->flags &= ~ADA_FLAG_OPEN; cam_periph_unhold(periph); cam_periph_unlock(periph); cam_periph_release(periph); return (0); } static void adaschedule(struct cam_periph *periph) { struct ada_softc *softc = (struct ada_softc *)periph->softc; uint32_t prio; if (softc->state != ADA_STATE_NORMAL) return; /* Check if cam_periph_getccb() was called. */ prio = periph->immediate_priority; /* Check if we have more work to do. */ if (bioq_first(&softc->bio_queue) || (!softc->trim_running && bioq_first(&softc->trim_queue))) { prio = CAM_PRIORITY_NORMAL; } /* Schedule CCB if any of above is true. */ if (prio != CAM_PRIORITY_NONE) xpt_schedule(periph, prio); } /* * Actually translate the requested transfer into one the physical driver * can understand. The transfer is described by a buf and will include * only one physical transfer. */ static void adastrategy(struct bio *bp) { struct cam_periph *periph; struct ada_softc *softc; periph = (struct cam_periph *)bp->bio_disk->d_drv1; softc = (struct ada_softc *)periph->softc; cam_periph_lock(periph); CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastrategy(%p)\n", bp)); /* * If the device has been made invalid, error out */ if ((periph->flags & CAM_PERIPH_INVALID) != 0) { cam_periph_unlock(periph); biofinish(bp, NULL, ENXIO); return; } /* * Place it in the queue of disk activities for this disk */ if (bp->bio_cmd == BIO_DELETE && (softc->flags & ADA_FLAG_CAN_TRIM)) { if (ADA_SIO) bioq_disksort(&softc->trim_queue, bp); else bioq_insert_tail(&softc->trim_queue, bp); } else { if (ADA_SIO) bioq_disksort(&softc->bio_queue, bp); else bioq_insert_tail(&softc->bio_queue, bp); } /* * Schedule ourselves for performing the work. */ adaschedule(periph); cam_periph_unlock(periph); return; } static int adadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) { struct cam_periph *periph; struct ada_softc *softc; u_int secsize; union ccb ccb; struct disk *dp; uint64_t lba; uint16_t count; int error = 0; dp = arg; periph = dp->d_drv1; softc = (struct ada_softc *)periph->softc; cam_periph_lock(periph); secsize = softc->params.secsize; lba = offset / secsize; count = length / secsize; if ((periph->flags & CAM_PERIPH_INVALID) != 0) { cam_periph_unlock(periph); return (ENXIO); } if (length > 0) { xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); ccb.ccb_h.ccb_state = ADA_CCB_DUMP; cam_fill_ataio(&ccb.ataio, 0, adadone, CAM_DIR_OUT, 0, (u_int8_t *) virtual, length, ada_default_timeout*1000); if ((softc->flags & ADA_FLAG_CAN_48BIT) && (lba + count >= ATA_MAX_28BIT_LBA || count >= 256)) { ata_48bit_cmd(&ccb.ataio, ATA_WRITE_DMA48, 0, lba, count); } else { ata_28bit_cmd(&ccb.ataio, ATA_WRITE_DMA, 0, lba, count); } xpt_polled_action(&ccb); error = cam_periph_error(&ccb, 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, /*reduction*/0, /*timeout*/0, /*getcount_only*/0); if (error != 0) printf("Aborting dump due to I/O error.\n"); cam_periph_unlock(periph); return (error); } if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) { xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); ccb.ccb_h.ccb_state = ADA_CCB_DUMP; cam_fill_ataio(&ccb.ataio, 0, adadone, CAM_DIR_NONE, 0, NULL, 0, ada_default_timeout*1000); if (softc->flags & ADA_FLAG_CAN_48BIT) ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0); else ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0); xpt_polled_action(&ccb); error = cam_periph_error(&ccb, 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, /*reduction*/0, /*timeout*/0, /*getcount_only*/0); if (error != 0) xpt_print(periph->path, "Synchronize cache failed\n"); } cam_periph_unlock(periph); return (error); } static void adainit(void) { cam_status status; /* * Install a global async callback. This callback will * receive async callbacks like "new device found". */ status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL); if (status != CAM_REQ_CMP) { printf("ada: Failed to attach master async callback " "due to status 0x%x!\n", status); } else if (ada_send_ordered) { /* Register our event handlers */ if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend, NULL, EVENTHANDLER_PRI_LAST)) == NULL) printf("adainit: power event registration failed!\n"); if ((EVENTHANDLER_REGISTER(power_resume, adaresume, NULL, EVENTHANDLER_PRI_LAST)) == NULL) printf("adainit: power event registration failed!\n"); if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown, NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) printf("adainit: shutdown event registration failed!\n"); } } /* * Callback from GEOM, called when it has finished cleaning up its * resources. */ static void adadiskgonecb(struct disk *dp) { struct cam_periph *periph; periph = (struct cam_periph *)dp->d_drv1; cam_periph_release(periph); } static void adaoninvalidate(struct cam_periph *periph) { struct ada_softc *softc; softc = (struct ada_softc *)periph->softc; /* * De-register any async callbacks. */ xpt_register_async(0, adaasync, periph, periph->path); /* * Return all queued I/O with ENXIO. * XXX Handle any transactions queued to the card * with XPT_ABORT_CCB. */ bioq_flush(&softc->bio_queue, NULL, ENXIO); bioq_flush(&softc->trim_queue, NULL, ENXIO); disk_gone(softc->disk); - xpt_print(periph->path, "lost device\n"); } static void adacleanup(struct cam_periph *periph) { struct ada_softc *softc; softc = (struct ada_softc *)periph->softc; - xpt_print(periph->path, "removing device entry\n"); cam_periph_unlock(periph); /* * If we can't free the sysctl tree, oh well... */ if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { xpt_print(periph->path, "can't remove sysctl context\n"); } disk_destroy(softc->disk); callout_drain(&softc->sendordered_c); free(softc, M_DEVBUF); cam_periph_lock(periph); } static void adaasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg) { struct ccb_getdev cgd; struct cam_periph *periph; struct ada_softc *softc; periph = (struct cam_periph *)callback_arg; switch (code) { case AC_FOUND_DEVICE: { struct ccb_getdev *cgd; cam_status status; cgd = (struct ccb_getdev *)arg; if (cgd == NULL) break; if (cgd->protocol != PROTO_ATA) break; /* * Allocate a peripheral instance for * this device and start the probe * process. */ status = cam_periph_alloc(adaregister, adaoninvalidate, adacleanup, adastart, "ada", CAM_PERIPH_BIO, cgd->ccb_h.path, adaasync, AC_FOUND_DEVICE, cgd); if (status != CAM_REQ_CMP && status != CAM_REQ_INPROG) printf("adaasync: Unable to attach to new device " "due to status 0x%x\n", status); break; } case AC_GETDEV_CHANGED: { softc = (struct ada_softc *)periph->softc; xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); cgd.ccb_h.func_code = XPT_GDEV_TYPE; xpt_action((union ccb *)&cgd); if ((cgd.ident_data.capabilities1 & ATA_SUPPORT_DMA) && (cgd.inq_flags & SID_DMA)) softc->flags |= ADA_FLAG_CAN_DMA; else softc->flags &= ~ADA_FLAG_CAN_DMA; if (cgd.ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { softc->flags |= ADA_FLAG_CAN_48BIT; if (cgd.inq_flags & SID_DMA48) softc->flags |= ADA_FLAG_CAN_DMA48; else softc->flags &= ~ADA_FLAG_CAN_DMA48; } else softc->flags &= ~(ADA_FLAG_CAN_48BIT | ADA_FLAG_CAN_DMA48); if ((cgd.ident_data.satacapabilities & ATA_SUPPORT_NCQ) && (cgd.inq_flags & SID_DMA) && (cgd.inq_flags & SID_CmdQue)) softc->flags |= ADA_FLAG_CAN_NCQ; else softc->flags &= ~ADA_FLAG_CAN_NCQ; if ((cgd.ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && (cgd.inq_flags & SID_DMA)) softc->flags |= ADA_FLAG_CAN_TRIM; else softc->flags &= ~ADA_FLAG_CAN_TRIM; cam_periph_async(periph, code, path, arg); break; } case AC_ADVINFO_CHANGED: { uintptr_t buftype; buftype = (uintptr_t)arg; if (buftype == CDAI_TYPE_PHYS_PATH) { struct ada_softc *softc; softc = periph->softc; disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT); } break; } case AC_SENT_BDR: case AC_BUS_RESET: { softc = (struct ada_softc *)periph->softc; cam_periph_async(periph, code, path, arg); if (softc->state != ADA_STATE_NORMAL) break; xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); cgd.ccb_h.func_code = XPT_GDEV_TYPE; xpt_action((union ccb *)&cgd); if (ADA_RA >= 0 && cgd.ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) softc->state = ADA_STATE_RAHEAD; else if (ADA_WC >= 0 && cgd.ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) softc->state = ADA_STATE_WCACHE; else break; cam_periph_acquire(periph); xpt_schedule(periph, CAM_PRIORITY_DEV); } default: cam_periph_async(periph, code, path, arg); break; } } static void adasysctlinit(void *context, int pending) { struct cam_periph *periph; struct ada_softc *softc; char tmpstr[80], tmpstr2[80]; periph = (struct cam_periph *)context; /* periph was held for us when this task was enqueued */ if ((periph->flags & CAM_PERIPH_INVALID) != 0) { cam_periph_release(periph); return; } softc = (struct ada_softc *)periph->softc; snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d", periph->unit_number); snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); sysctl_ctx_init(&softc->sysctl_ctx); softc->flags |= ADA_FLAG_SCTX_INIT; softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2, CTLFLAG_RD, 0, tmpstr); if (softc->sysctl_tree == NULL) { printf("adasysctlinit: unable to allocate sysctl tree\n"); cam_periph_release(periph); return; } SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE, &softc->read_ahead, 0, "Enable disk read ahead."); SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE, &softc->write_cache, 0, "Enable disk write cache."); SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "sort_io_queue", CTLFLAG_RW | CTLFLAG_MPSAFE, &softc->sort_io_queue, 0, "Sort IO queue to try and optimise disk access patterns"); #ifdef ADA_TEST_FAILURE /* * Add a 'door bell' sysctl which allows one to set it from userland * and cause something bad to happen. For the moment, we only allow * whacking the next read or write. */ SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, &softc->force_read_error, 0, "Force a read error for the next N reads."); SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE, &softc->force_write_error, 0, "Force a write error for the next N writes."); SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, &softc->periodic_read_error, 0, "Force a read error every N reads (don't set too low)."); #endif cam_periph_release(periph); } static int adagetattr(struct bio *bp) { int ret; struct cam_periph *periph; periph = (struct cam_periph *)bp->bio_disk->d_drv1; cam_periph_lock(periph); ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, periph->path); cam_periph_unlock(periph); if (ret == 0) bp->bio_completed = bp->bio_length; return ret; } static cam_status adaregister(struct cam_periph *periph, void *arg) { struct ada_softc *softc; struct ccb_pathinq cpi; struct ccb_getdev *cgd; char announce_buf[80], buf1[32]; struct disk_params *dp; caddr_t match; u_int maxio; int legacy_id, quirks; cgd = (struct ccb_getdev *)arg; if (cgd == NULL) { printf("adaregister: no getdev CCB, can't register device\n"); return(CAM_REQ_CMP_ERR); } softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF, M_NOWAIT|M_ZERO); if (softc == NULL) { printf("adaregister: Unable to probe new device. " "Unable to allocate softc\n"); return(CAM_REQ_CMP_ERR); } bioq_init(&softc->bio_queue); bioq_init(&softc->trim_queue); if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) && (cgd->inq_flags & SID_DMA)) softc->flags |= ADA_FLAG_CAN_DMA; if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { softc->flags |= ADA_FLAG_CAN_48BIT; if (cgd->inq_flags & SID_DMA48) softc->flags |= ADA_FLAG_CAN_DMA48; } if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE) softc->flags |= ADA_FLAG_CAN_FLUSHCACHE; if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT) softc->flags |= ADA_FLAG_CAN_POWERMGT; if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) && (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue)) softc->flags |= ADA_FLAG_CAN_NCQ; if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && (cgd->inq_flags & SID_DMA)) { softc->flags |= ADA_FLAG_CAN_TRIM; softc->trim_max_ranges = TRIM_MAX_RANGES; if (cgd->ident_data.max_dsm_blocks != 0) { softc->trim_max_ranges = min(cgd->ident_data.max_dsm_blocks * ATA_DSM_BLK_RANGES, softc->trim_max_ranges); } } if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA) softc->flags |= ADA_FLAG_CAN_CFA; periph->softc = softc; /* * See if this device has any quirks. */ match = cam_quirkmatch((caddr_t)&cgd->ident_data, (caddr_t)ada_quirk_table, sizeof(ada_quirk_table)/sizeof(*ada_quirk_table), sizeof(*ada_quirk_table), ata_identify_match); if (match != NULL) softc->quirks = ((struct ada_quirk_entry *)match)->quirks; else softc->quirks = ADA_Q_NONE; bzero(&cpi, sizeof(cpi)); xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); cpi.ccb_h.func_code = XPT_PATH_INQ; xpt_action((union ccb *)&cpi); TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph); /* * Register this media as a disk */ (void)cam_periph_hold(periph, PRIBIO); cam_periph_unlock(periph); snprintf(announce_buf, sizeof(announce_buf), "kern.cam.ada.%d.quirks", periph->unit_number); quirks = softc->quirks; TUNABLE_INT_FETCH(announce_buf, &quirks); softc->quirks = quirks; softc->read_ahead = -1; snprintf(announce_buf, sizeof(announce_buf), "kern.cam.ada.%d.read_ahead", periph->unit_number); TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead); softc->write_cache = -1; snprintf(announce_buf, sizeof(announce_buf), "kern.cam.ada.%d.write_cache", periph->unit_number); TUNABLE_INT_FETCH(announce_buf, &softc->write_cache); /* Disable queue sorting for non-rotational media by default. */ if (cgd->ident_data.media_rotation_rate == 1) softc->sort_io_queue = 0; else softc->sort_io_queue = -1; adagetparams(periph, cgd); softc->disk = disk_alloc(); softc->disk->d_devstat = devstat_new_entry(periph->periph_name, periph->unit_number, softc->params.secsize, DEVSTAT_ALL_SUPPORTED, DEVSTAT_TYPE_DIRECT | XPORT_DEVSTAT_TYPE(cpi.transport), DEVSTAT_PRIORITY_DISK); softc->disk->d_open = adaopen; softc->disk->d_close = adaclose; softc->disk->d_strategy = adastrategy; softc->disk->d_getattr = adagetattr; softc->disk->d_dump = adadump; softc->disk->d_gone = adadiskgonecb; softc->disk->d_name = "ada"; softc->disk->d_drv1 = periph; maxio = cpi.maxio; /* Honor max I/O size of SIM */ if (maxio == 0) maxio = DFLTPHYS; /* traditional default */ else if (maxio > MAXPHYS) maxio = MAXPHYS; /* for safety */ if (softc->flags & ADA_FLAG_CAN_48BIT) maxio = min(maxio, 65536 * softc->params.secsize); else /* 28bit ATA command limit */ maxio = min(maxio, 256 * softc->params.secsize); softc->disk->d_maxsize = maxio; softc->disk->d_unit = periph->unit_number; softc->disk->d_flags = 0; if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; if (softc->flags & ADA_FLAG_CAN_TRIM) { softc->disk->d_flags |= DISKFLAG_CANDELETE; softc->disk->d_delmaxsize = softc->params.secsize * ATA_DSM_RANGE_MAX * softc->trim_max_ranges; } else if ((softc->flags & ADA_FLAG_CAN_CFA) && !(softc->flags & ADA_FLAG_CAN_48BIT)) { softc->disk->d_flags |= DISKFLAG_CANDELETE; softc->disk->d_delmaxsize = 256 * softc->params.secsize; } else softc->disk->d_delmaxsize = maxio; if ((cpi.hba_misc & PIM_UNMAPPED) != 0) softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; strlcpy(softc->disk->d_descr, cgd->ident_data.model, MIN(sizeof(softc->disk->d_descr), sizeof(cgd->ident_data.model))); strlcpy(softc->disk->d_ident, cgd->ident_data.serial, MIN(sizeof(softc->disk->d_ident), sizeof(cgd->ident_data.serial))); softc->disk->d_hba_vendor = cpi.hba_vendor; softc->disk->d_hba_device = cpi.hba_device; softc->disk->d_hba_subvendor = cpi.hba_subvendor; softc->disk->d_hba_subdevice = cpi.hba_subdevice; softc->disk->d_sectorsize = softc->params.secsize; softc->disk->d_mediasize = (off_t)softc->params.sectors * softc->params.secsize; if (ata_physical_sector_size(&cgd->ident_data) != softc->params.secsize) { softc->disk->d_stripesize = ata_physical_sector_size(&cgd->ident_data); softc->disk->d_stripeoffset = (softc->disk->d_stripesize - ata_logical_sector_offset(&cgd->ident_data)) % softc->disk->d_stripesize; } else if (softc->quirks & ADA_Q_4K) { softc->disk->d_stripesize = 4096; softc->disk->d_stripeoffset = 0; } softc->disk->d_fwsectors = softc->params.secs_per_track; softc->disk->d_fwheads = softc->params.heads; ata_disk_firmware_geom_adjust(softc->disk); if (ada_legacy_aliases) { #ifdef ATA_STATIC_ID legacy_id = xpt_path_legacy_ata_id(periph->path); #else legacy_id = softc->disk->d_unit; #endif if (legacy_id >= 0) { snprintf(announce_buf, sizeof(announce_buf), "kern.devalias.%s%d", softc->disk->d_name, softc->disk->d_unit); snprintf(buf1, sizeof(buf1), "ad%d", legacy_id); setenv(announce_buf, buf1); } } else legacy_id = -1; /* * Acquire a reference to the periph before we register with GEOM. * We'll release this reference once GEOM calls us back (via * adadiskgonecb()) telling us that our provider has been freed. */ if (cam_periph_acquire(periph) != CAM_REQ_CMP) { xpt_print(periph->path, "%s: lost periph during " "registration!\n", __func__); cam_periph_lock(periph); return (CAM_REQ_CMP_ERR); } disk_create(softc->disk, DISK_VERSION); cam_periph_lock(periph); cam_periph_unhold(periph); dp = &softc->params; snprintf(announce_buf, sizeof(announce_buf), "%juMB (%ju %u byte sectors: %dH %dS/T %dC)", (uintmax_t)(((uintmax_t)dp->secsize * dp->sectors) / (1024*1024)), (uintmax_t)dp->sectors, dp->secsize, dp->heads, dp->secs_per_track, dp->cylinders); xpt_announce_periph(periph, announce_buf); xpt_announce_quirks(periph, softc->quirks, ADA_Q_BIT_STRING); if (legacy_id >= 0) printf("%s%d: Previously was known as ad%d\n", periph->periph_name, periph->unit_number, legacy_id); /* * Create our sysctl variables, now that we know * we have successfully attached. */ cam_periph_acquire(periph); taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task); /* * Add async callbacks for bus reset and * bus device reset calls. I don't bother * checking if this fails as, in most cases, * the system will function just fine without * them and the only alternative would be to * not attach the device on failure. */ xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED, adaasync, periph, periph->path); /* * Schedule a periodic event to occasionally send an * ordered tag to a device. */ callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0); callout_reset(&softc->sendordered_c, (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, adasendorderedtag, softc); if (ADA_RA >= 0 && cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) { softc->state = ADA_STATE_RAHEAD; cam_periph_acquire(periph); xpt_schedule(periph, CAM_PRIORITY_DEV); } else if (ADA_WC >= 0 && cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { softc->state = ADA_STATE_WCACHE; cam_periph_acquire(periph); xpt_schedule(periph, CAM_PRIORITY_DEV); } else softc->state = ADA_STATE_NORMAL; return(CAM_REQ_CMP); } static void adastart(struct cam_periph *periph, union ccb *start_ccb) { struct ada_softc *softc = (struct ada_softc *)periph->softc; struct ccb_ataio *ataio = &start_ccb->ataio; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n")); switch (softc->state) { case ADA_STATE_NORMAL: { struct bio *bp; u_int8_t tag_code; /* Execute immediate CCB if waiting. */ if (periph->immediate_priority <= periph->pinfo.priority) { CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("queuing for immediate ccb\n")); start_ccb->ccb_h.ccb_state = ADA_CCB_WAITING; SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, periph_links.sle); periph->immediate_priority = CAM_PRIORITY_NONE; wakeup(&periph->ccb_list); /* Have more work to do, so ensure we stay scheduled */ adaschedule(periph); break; } /* Run TRIM if not running yet. */ if (!softc->trim_running && (bp = bioq_first(&softc->trim_queue)) != 0) { struct trim_request *req = &softc->trim_req; struct bio *bp1; uint64_t lastlba = (uint64_t)-1; int bps = 0, c, lastcount = 0, off, ranges = 0; softc->trim_running = 1; bzero(req, sizeof(*req)); bp1 = bp; do { uint64_t lba = bp1->bio_pblkno; int count = bp1->bio_bcount / softc->params.secsize; bioq_remove(&softc->trim_queue, bp1); /* Try to extend the previous range. */ if (lba == lastlba) { c = min(count, ATA_DSM_RANGE_MAX - lastcount); lastcount += c; off = (ranges - 1) * ATA_DSM_RANGE_SIZE; req->data[off + 6] = lastcount & 0xff; req->data[off + 7] = (lastcount >> 8) & 0xff; count -= c; lba += c; } while (count > 0) { c = min(count, ATA_DSM_RANGE_MAX); off = ranges * ATA_DSM_RANGE_SIZE; req->data[off + 0] = lba & 0xff; req->data[off + 1] = (lba >> 8) & 0xff; req->data[off + 2] = (lba >> 16) & 0xff; req->data[off + 3] = (lba >> 24) & 0xff; req->data[off + 4] = (lba >> 32) & 0xff; req->data[off + 5] = (lba >> 40) & 0xff; req->data[off + 6] = c & 0xff; req->data[off + 7] = (c >> 8) & 0xff; lba += c; count -= c; lastcount = c; ranges++; /* * Its the caller's responsibility to ensure the * request will fit so we don't need to check for * overrun here */ } lastlba = lba; req->bps[bps++] = bp1; bp1 = bioq_first(&softc->trim_queue); if (bps >= TRIM_MAX_BIOS || bp1 == NULL || bp1->bio_bcount / softc->params.secsize > (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) break; } while (1); cam_fill_ataio(ataio, ada_retry_count, adadone, CAM_DIR_OUT, 0, req->data, ((ranges + ATA_DSM_BLK_RANGES - 1) / ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE, ada_default_timeout * 1000); ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT, ATA_DSM_TRIM, 0, (ranges + ATA_DSM_BLK_RANGES - 1) / ATA_DSM_BLK_RANGES); start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM; goto out; } /* Run regular command. */ bp = bioq_first(&softc->bio_queue); if (bp == NULL) { xpt_release_ccb(start_ccb); break; } bioq_remove(&softc->bio_queue, bp); if ((bp->bio_flags & BIO_ORDERED) != 0 || (softc->flags & ADA_FLAG_NEED_OTAG) != 0) { softc->flags &= ~ADA_FLAG_NEED_OTAG; softc->ordered_tag_count++; tag_code = 0; } else { tag_code = 1; } switch (bp->bio_cmd) { case BIO_WRITE: softc->flags |= ADA_FLAG_DIRTY; /* FALLTHROUGH */ case BIO_READ: { uint64_t lba = bp->bio_pblkno; uint16_t count = bp->bio_bcount / softc->params.secsize; #ifdef ADA_TEST_FAILURE int fail = 0; /* * Support the failure ioctls. If the command is a * read, and there are pending forced read errors, or * if a write and pending write errors, then fail this * operation with EIO. This is useful for testing * purposes. Also, support having every Nth read fail. * * This is a rather blunt tool. */ if (bp->bio_cmd == BIO_READ) { if (softc->force_read_error) { softc->force_read_error--; fail = 1; } if (softc->periodic_read_error > 0) { if (++softc->periodic_read_count >= softc->periodic_read_error) { softc->periodic_read_count = 0; fail = 1; } } } else { if (softc->force_write_error) { softc->force_write_error--; fail = 1; } } if (fail) { bp->bio_error = EIO; bp->bio_flags |= BIO_ERROR; biodone(bp); xpt_release_ccb(start_ccb); adaschedule(periph); return; } #endif KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 || round_page(bp->bio_bcount + bp->bio_ma_offset) / PAGE_SIZE == bp->bio_ma_n, ("Short bio %p", bp)); cam_fill_ataio(ataio, ada_retry_count, adadone, (bp->bio_cmd == BIO_READ ? CAM_DIR_IN : CAM_DIR_OUT) | ((bp->bio_flags & BIO_UNMAPPED) != 0 ? CAM_DATA_BIO : 0), tag_code, ((bp->bio_flags & BIO_UNMAPPED) != 0) ? (void *)bp : bp->bio_data, bp->bio_bcount, ada_default_timeout*1000); if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) { if (bp->bio_cmd == BIO_READ) { ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED, lba, count); } else { ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED, lba, count); } } else if ((softc->flags & ADA_FLAG_CAN_48BIT) && (lba + count >= ATA_MAX_28BIT_LBA || count > 256)) { if (softc->flags & ADA_FLAG_CAN_DMA48) { if (bp->bio_cmd == BIO_READ) { ata_48bit_cmd(ataio, ATA_READ_DMA48, 0, lba, count); } else { ata_48bit_cmd(ataio, ATA_WRITE_DMA48, 0, lba, count); } } else { if (bp->bio_cmd == BIO_READ) { ata_48bit_cmd(ataio, ATA_READ_MUL48, 0, lba, count); } else { ata_48bit_cmd(ataio, ATA_WRITE_MUL48, 0, lba, count); } } } else { if (count == 256) count = 0; if (softc->flags & ADA_FLAG_CAN_DMA) { if (bp->bio_cmd == BIO_READ) { ata_28bit_cmd(ataio, ATA_READ_DMA, 0, lba, count); } else { ata_28bit_cmd(ataio, ATA_WRITE_DMA, 0, lba, count); } } else { if (bp->bio_cmd == BIO_READ) { ata_28bit_cmd(ataio, ATA_READ_MUL, 0, lba, count); } else { ata_28bit_cmd(ataio, ATA_WRITE_MUL, 0, lba, count); } } } break; } case BIO_DELETE: { uint64_t lba = bp->bio_pblkno; uint16_t count = bp->bio_bcount / softc->params.secsize; cam_fill_ataio(ataio, ada_retry_count, adadone, CAM_DIR_NONE, 0, NULL, 0, ada_default_timeout*1000); if (count >= 256) count = 0; ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count); break; } case BIO_FLUSH: cam_fill_ataio(ataio, 1, adadone, CAM_DIR_NONE, 0, NULL, 0, ada_default_timeout*1000); if (softc->flags & ADA_FLAG_CAN_48BIT) ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0); else ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0); break; } start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO; out: start_ccb->ccb_h.ccb_bp = bp; softc->outstanding_cmds++; xpt_action(start_ccb); /* May have more work to do, so ensure we stay scheduled */ adaschedule(periph); break; } case ADA_STATE_RAHEAD: case ADA_STATE_WCACHE: { if ((periph->flags & CAM_PERIPH_INVALID) != 0) { softc->state = ADA_STATE_NORMAL; xpt_release_ccb(start_ccb); adaschedule(periph); cam_periph_release_locked(periph); return; } cam_fill_ataio(ataio, 1, adadone, CAM_DIR_NONE, 0, NULL, 0, ada_default_timeout*1000); if (softc->state == ADA_STATE_RAHEAD) { ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ? ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0); start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD; } else { ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ? ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0); start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE; } start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; xpt_action(start_ccb); break; } } } static void adadone(struct cam_periph *periph, union ccb *done_ccb) { struct ada_softc *softc; struct ccb_ataio *ataio; struct ccb_getdev *cgd; struct cam_path *path; int state; softc = (struct ada_softc *)periph->softc; ataio = &done_ccb->ataio; path = done_ccb->ccb_h.path; CAM_DEBUG(path, CAM_DEBUG_TRACE, ("adadone\n")); state = ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK; switch (state) { case ADA_CCB_BUFFER_IO: case ADA_CCB_TRIM: { struct bio *bp; int error; if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { error = adaerror(done_ccb, 0, 0); if (error == ERESTART) { /* A retry was scheduled, so just return. */ return; } if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) cam_release_devq(path, /*relsim_flags*/0, /*reduction*/0, /*timeout*/0, /*getcount_only*/0); } else { if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) panic("REQ_CMP with QFRZN"); error = 0; } bp = (struct bio *)done_ccb->ccb_h.ccb_bp; bp->bio_error = error; if (error != 0) { bp->bio_resid = bp->bio_bcount; bp->bio_flags |= BIO_ERROR; } else { if (state == ADA_CCB_TRIM) bp->bio_resid = 0; else bp->bio_resid = ataio->resid; if (bp->bio_resid > 0) bp->bio_flags |= BIO_ERROR; } softc->outstanding_cmds--; if (softc->outstanding_cmds == 0) softc->flags |= ADA_FLAG_WENT_IDLE; if (state == ADA_CCB_TRIM) { struct trim_request *req = (struct trim_request *)ataio->data_ptr; int i; for (i = 1; i < TRIM_MAX_BIOS && req->bps[i]; i++) { struct bio *bp1 = req->bps[i]; bp1->bio_error = bp->bio_error; if (bp->bio_flags & BIO_ERROR) { bp1->bio_flags |= BIO_ERROR; bp1->bio_resid = bp1->bio_bcount; } else bp1->bio_resid = 0; biodone(bp1); } softc->trim_running = 0; biodone(bp); adaschedule(periph); } else biodone(bp); break; } case ADA_CCB_RAHEAD: { if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { if (adaerror(done_ccb, 0, 0) == ERESTART) { out: /* Drop freeze taken due to CAM_DEV_QFREEZE */ cam_release_devq(path, 0, 0, 0, FALSE); return; } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { cam_release_devq(path, /*relsim_flags*/0, /*reduction*/0, /*timeout*/0, /*getcount_only*/0); } } /* * Since our peripheral may be invalidated by an error * above or an external event, we must release our CCB * before releasing the reference on the peripheral. * The peripheral will only go away once the last reference * is removed, and we need it around for the CCB release * operation. */ cgd = (struct ccb_getdev *)done_ccb; xpt_setup_ccb(&cgd->ccb_h, path, CAM_PRIORITY_NORMAL); cgd->ccb_h.func_code = XPT_GDEV_TYPE; xpt_action((union ccb *)cgd); if (ADA_WC >= 0 && cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { softc->state = ADA_STATE_WCACHE; xpt_release_ccb(done_ccb); xpt_schedule(periph, CAM_PRIORITY_DEV); goto out; } softc->state = ADA_STATE_NORMAL; xpt_release_ccb(done_ccb); /* Drop freeze taken due to CAM_DEV_QFREEZE */ cam_release_devq(path, 0, 0, 0, FALSE); adaschedule(periph); cam_periph_release_locked(periph); return; } case ADA_CCB_WCACHE: { if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { if (adaerror(done_ccb, 0, 0) == ERESTART) { goto out; } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { cam_release_devq(path, /*relsim_flags*/0, /*reduction*/0, /*timeout*/0, /*getcount_only*/0); } } softc->state = ADA_STATE_NORMAL; /* * Since our peripheral may be invalidated by an error * above or an external event, we must release our CCB * before releasing the reference on the peripheral. * The peripheral will only go away once the last reference * is removed, and we need it around for the CCB release * operation. */ xpt_release_ccb(done_ccb); /* Drop freeze taken due to CAM_DEV_QFREEZE */ cam_release_devq(path, 0, 0, 0, FALSE); adaschedule(periph); cam_periph_release_locked(periph); return; } case ADA_CCB_WAITING: { /* Caller will release the CCB */ wakeup(&done_ccb->ccb_h.cbfcnp); return; } case ADA_CCB_DUMP: /* No-op. We're polling */ return; default: break; } xpt_release_ccb(done_ccb); } static int adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) { return(cam_periph_error(ccb, cam_flags, sense_flags, NULL)); } static void adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd) { struct ada_softc *softc = (struct ada_softc *)periph->softc; struct disk_params *dp = &softc->params; u_int64_t lbasize48; u_int32_t lbasize; dp->secsize = ata_logical_sector_size(&cgd->ident_data); if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) && cgd->ident_data.current_heads && cgd->ident_data.current_sectors) { dp->heads = cgd->ident_data.current_heads; dp->secs_per_track = cgd->ident_data.current_sectors; dp->cylinders = cgd->ident_data.cylinders; dp->sectors = (u_int32_t)cgd->ident_data.current_size_1 | ((u_int32_t)cgd->ident_data.current_size_2 << 16); } else { dp->heads = cgd->ident_data.heads; dp->secs_per_track = cgd->ident_data.sectors; dp->cylinders = cgd->ident_data.cylinders; dp->sectors = cgd->ident_data.cylinders * dp->heads * dp->secs_per_track; } lbasize = (u_int32_t)cgd->ident_data.lba_size_1 | ((u_int32_t)cgd->ident_data.lba_size_2 << 16); /* use the 28bit LBA size if valid or bigger than the CHS mapping */ if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize) dp->sectors = lbasize; /* use the 48bit LBA size if valid */ lbasize48 = ((u_int64_t)cgd->ident_data.lba_size48_1) | ((u_int64_t)cgd->ident_data.lba_size48_2 << 16) | ((u_int64_t)cgd->ident_data.lba_size48_3 << 32) | ((u_int64_t)cgd->ident_data.lba_size48_4 << 48); if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) && lbasize48 > ATA_MAX_28BIT_LBA) dp->sectors = lbasize48; } static void adasendorderedtag(void *arg) { struct ada_softc *softc = arg; if (ada_send_ordered) { if ((softc->ordered_tag_count == 0) && ((softc->flags & ADA_FLAG_WENT_IDLE) == 0)) { softc->flags |= ADA_FLAG_NEED_OTAG; } if (softc->outstanding_cmds > 0) softc->flags &= ~ADA_FLAG_WENT_IDLE; softc->ordered_tag_count = 0; } /* Queue us up again */ callout_reset(&softc->sendordered_c, (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, adasendorderedtag, softc); } /* * Step through all ADA peripheral drivers, and if the device is still open, * sync the disk cache to physical media. */ static void adaflush(void) { struct cam_periph *periph; struct ada_softc *softc; union ccb *ccb; int error; CAM_PERIPH_FOREACH(periph, &adadriver) { softc = (struct ada_softc *)periph->softc; if (SCHEDULER_STOPPED()) { /* If we paniced with the lock held, do not recurse. */ if (!cam_periph_owned(periph) && (softc->flags & ADA_FLAG_OPEN)) { adadump(softc->disk, NULL, 0, 0, 0); } continue; } cam_periph_lock(periph); /* * We only sync the cache if the drive is still open, and * if the drive is capable of it.. */ if (((softc->flags & ADA_FLAG_OPEN) == 0) || (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) { cam_periph_unlock(periph); continue; } ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); cam_fill_ataio(&ccb->ataio, 0, adadone, CAM_DIR_NONE, 0, NULL, 0, ada_default_timeout*1000); if (softc->flags & ADA_FLAG_CAN_48BIT) ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); else ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, softc->disk->d_devstat); if (error != 0) xpt_print(periph->path, "Synchronize cache failed\n"); xpt_release_ccb(ccb); cam_periph_unlock(periph); } } static void adaspindown(uint8_t cmd, int flags) { struct cam_periph *periph; struct ada_softc *softc; union ccb *ccb; int error; CAM_PERIPH_FOREACH(periph, &adadriver) { /* If we paniced with lock held - not recurse here. */ if (cam_periph_owned(periph)) continue; cam_periph_lock(periph); softc = (struct ada_softc *)periph->softc; /* * We only spin-down the drive if it is capable of it.. */ if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { cam_periph_unlock(periph); continue; } if (bootverbose) xpt_print(periph->path, "spin-down\n"); ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); cam_fill_ataio(&ccb->ataio, 0, adadone, CAM_DIR_NONE | flags, 0, NULL, 0, ada_default_timeout*1000); ata_28bit_cmd(&ccb->ataio, cmd, 0, 0, 0); error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, softc->disk->d_devstat); if (error != 0) xpt_print(periph->path, "Spin-down disk failed\n"); xpt_release_ccb(ccb); cam_periph_unlock(periph); } } static void adashutdown(void *arg, int howto) { adaflush(); if (ada_spindown_shutdown != 0 && (howto & (RB_HALT | RB_POWEROFF)) != 0) adaspindown(ATA_STANDBY_IMMEDIATE, 0); } static void adasuspend(void *arg) { adaflush(); if (ada_spindown_suspend != 0) adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE); } static void adaresume(void *arg) { struct cam_periph *periph; struct ada_softc *softc; if (ada_spindown_suspend == 0) return; CAM_PERIPH_FOREACH(periph, &adadriver) { cam_periph_lock(periph); softc = (struct ada_softc *)periph->softc; /* * We only spin-down the drive if it is capable of it.. */ if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { cam_periph_unlock(periph); continue; } if (bootverbose) xpt_print(periph->path, "resume\n"); /* * Drop freeze taken due to CAM_DEV_QFREEZE flag set on * sleep request. */ cam_release_devq(periph->path, /*relsim_flags*/0, /*openings*/0, /*timeout*/0, /*getcount_only*/0); cam_periph_unlock(periph); } } #endif /* _KERNEL */ Index: stable/9/sys/cam/ata/ata_pmp.c =================================================================== --- stable/9/sys/cam/ata/ata_pmp.c (revision 257049) +++ stable/9/sys/cam/ata/ata_pmp.c (revision 257050) @@ -1,864 +1,862 @@ /*- * Copyright (c) 2009 Alexander Motin * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #ifdef _KERNEL #include #include #include #include #include #include #include #include #include #include #include #include #include #endif /* _KERNEL */ #ifndef _KERNEL #include #include #endif /* _KERNEL */ #include #include #include #include #include #include #include #ifdef _KERNEL typedef enum { PMP_STATE_NORMAL, PMP_STATE_PORTS, PMP_STATE_PM_QUIRKS_1, PMP_STATE_PM_QUIRKS_2, PMP_STATE_PM_QUIRKS_3, PMP_STATE_PRECONFIG, PMP_STATE_RESET, PMP_STATE_CONNECT, PMP_STATE_CHECK, PMP_STATE_CLEAR, PMP_STATE_CONFIG, PMP_STATE_SCAN } pmp_state; typedef enum { PMP_FLAG_SCTX_INIT = 0x200 } pmp_flags; typedef enum { PMP_CCB_PROBE = 0x01, } pmp_ccb_state; /* Offsets into our private area for storing information */ #define ccb_state ppriv_field0 #define ccb_bp ppriv_ptr1 struct pmp_softc { SLIST_ENTRY(pmp_softc) links; pmp_state state; pmp_flags flags; uint32_t pm_pid; uint32_t pm_prv; int pm_ports; int pm_step; int pm_try; int found; int reset; int frozen; int restart; int events; #define PMP_EV_RESET 1 #define PMP_EV_RESCAN 2 u_int caps; struct task sysctl_task; struct sysctl_ctx_list sysctl_ctx; struct sysctl_oid *sysctl_tree; }; static periph_init_t pmpinit; static void pmpasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg); static void pmpsysctlinit(void *context, int pending); static periph_ctor_t pmpregister; static periph_dtor_t pmpcleanup; static periph_start_t pmpstart; static periph_oninv_t pmponinvalidate; static void pmpdone(struct cam_periph *periph, union ccb *done_ccb); #ifndef PMP_DEFAULT_TIMEOUT #define PMP_DEFAULT_TIMEOUT 30 /* Timeout in seconds */ #endif #ifndef PMP_DEFAULT_RETRY #define PMP_DEFAULT_RETRY 1 #endif #ifndef PMP_DEFAULT_HIDE_SPECIAL #define PMP_DEFAULT_HIDE_SPECIAL 1 #endif static int pmp_retry_count = PMP_DEFAULT_RETRY; static int pmp_default_timeout = PMP_DEFAULT_TIMEOUT; static int pmp_hide_special = PMP_DEFAULT_HIDE_SPECIAL; static SYSCTL_NODE(_kern_cam, OID_AUTO, pmp, CTLFLAG_RD, 0, "CAM Direct Access Disk driver"); SYSCTL_INT(_kern_cam_pmp, OID_AUTO, retry_count, CTLFLAG_RW, &pmp_retry_count, 0, "Normal I/O retry count"); TUNABLE_INT("kern.cam.pmp.retry_count", &pmp_retry_count); SYSCTL_INT(_kern_cam_pmp, OID_AUTO, default_timeout, CTLFLAG_RW, &pmp_default_timeout, 0, "Normal I/O timeout (in seconds)"); TUNABLE_INT("kern.cam.pmp.default_timeout", &pmp_default_timeout); SYSCTL_INT(_kern_cam_pmp, OID_AUTO, hide_special, CTLFLAG_RW, &pmp_hide_special, 0, "Hide extra ports"); TUNABLE_INT("kern.cam.pmp.hide_special", &pmp_hide_special); static struct periph_driver pmpdriver = { pmpinit, "pmp", TAILQ_HEAD_INITIALIZER(pmpdriver.units), /* generation */ 0, CAM_PERIPH_DRV_EARLY }; PERIPHDRIVER_DECLARE(pmp, pmpdriver); static MALLOC_DEFINE(M_ATPMP, "ata_pmp", "ata_pmp buffers"); static void pmpinit(void) { cam_status status; /* * Install a global async callback. This callback will * receive async callbacks like "new device found". */ status = xpt_register_async(AC_FOUND_DEVICE, pmpasync, NULL, NULL); if (status != CAM_REQ_CMP) { printf("pmp: Failed to attach master async callback " "due to status 0x%x!\n", status); } } static void pmpfreeze(struct cam_periph *periph, int mask) { struct pmp_softc *softc = (struct pmp_softc *)periph->softc; struct cam_path *dpath; int i; mask &= ~softc->frozen; for (i = 0; i < 15; i++) { if ((mask & (1 << i)) == 0) continue; if (xpt_create_path(&dpath, periph, xpt_path_path_id(periph->path), i, 0) == CAM_REQ_CMP) { softc->frozen |= (1 << i); xpt_acquire_device(dpath->device); cam_freeze_devq(dpath); xpt_free_path(dpath); } } } static void pmprelease(struct cam_periph *periph, int mask) { struct pmp_softc *softc = (struct pmp_softc *)periph->softc; struct cam_path *dpath; int i; mask &= softc->frozen; for (i = 0; i < 15; i++) { if ((mask & (1 << i)) == 0) continue; if (xpt_create_path(&dpath, periph, xpt_path_path_id(periph->path), i, 0) == CAM_REQ_CMP) { softc->frozen &= ~(1 << i); cam_release_devq(dpath, 0, 0, 0, FALSE); xpt_release_device(dpath->device); xpt_free_path(dpath); } } } static void pmponinvalidate(struct cam_periph *periph) { struct cam_path *dpath; int i; /* * De-register any async callbacks. */ xpt_register_async(0, pmpasync, periph, periph->path); for (i = 0; i < 15; i++) { if (xpt_create_path(&dpath, periph, xpt_path_path_id(periph->path), i, 0) == CAM_REQ_CMP) { xpt_async(AC_LOST_DEVICE, dpath, NULL); xpt_free_path(dpath); } } pmprelease(periph, -1); - xpt_print(periph->path, "lost device\n"); } static void pmpcleanup(struct cam_periph *periph) { struct pmp_softc *softc; softc = (struct pmp_softc *)periph->softc; - xpt_print(periph->path, "removing device entry\n"); cam_periph_unlock(periph); /* * If we can't free the sysctl tree, oh well... */ if ((softc->flags & PMP_FLAG_SCTX_INIT) != 0 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { xpt_print(periph->path, "can't remove sysctl context\n"); } free(softc, M_DEVBUF); cam_periph_lock(periph); } static void pmpasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg) { struct cam_periph *periph; struct pmp_softc *softc; periph = (struct cam_periph *)callback_arg; switch (code) { case AC_FOUND_DEVICE: { struct ccb_getdev *cgd; cam_status status; cgd = (struct ccb_getdev *)arg; if (cgd == NULL) break; if (cgd->protocol != PROTO_SATAPM) break; /* * Allocate a peripheral instance for * this device and start the probe * process. */ status = cam_periph_alloc(pmpregister, pmponinvalidate, pmpcleanup, pmpstart, "pmp", CAM_PERIPH_BIO, cgd->ccb_h.path, pmpasync, AC_FOUND_DEVICE, cgd); if (status != CAM_REQ_CMP && status != CAM_REQ_INPROG) printf("pmpasync: Unable to attach to new device " "due to status 0x%x\n", status); break; } case AC_SCSI_AEN: case AC_SENT_BDR: case AC_BUS_RESET: softc = (struct pmp_softc *)periph->softc; cam_periph_async(periph, code, path, arg); if (code == AC_SCSI_AEN) softc->events |= PMP_EV_RESCAN; else softc->events |= PMP_EV_RESET; if (code == AC_SCSI_AEN && softc->state != PMP_STATE_NORMAL) break; xpt_hold_boot(); pmpfreeze(periph, softc->found); if (code == AC_SENT_BDR || code == AC_BUS_RESET) softc->found = 0; /* We have to reset everything. */ if (softc->state == PMP_STATE_NORMAL) { if (softc->pm_pid == 0x37261095 || softc->pm_pid == 0x38261095) softc->state = PMP_STATE_PM_QUIRKS_1; else softc->state = PMP_STATE_PRECONFIG; cam_periph_acquire(periph); xpt_schedule(periph, CAM_PRIORITY_DEV); } else softc->restart = 1; break; default: cam_periph_async(periph, code, path, arg); break; } } static void pmpsysctlinit(void *context, int pending) { struct cam_periph *periph; struct pmp_softc *softc; char tmpstr[80], tmpstr2[80]; periph = (struct cam_periph *)context; if (cam_periph_acquire(periph) != CAM_REQ_CMP) return; softc = (struct pmp_softc *)periph->softc; snprintf(tmpstr, sizeof(tmpstr), "CAM PMP unit %d", periph->unit_number); snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); sysctl_ctx_init(&softc->sysctl_ctx); softc->flags |= PMP_FLAG_SCTX_INIT; softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, SYSCTL_STATIC_CHILDREN(_kern_cam_pmp), OID_AUTO, tmpstr2, CTLFLAG_RD, 0, tmpstr); if (softc->sysctl_tree == NULL) { printf("pmpsysctlinit: unable to allocate sysctl tree\n"); cam_periph_release(periph); return; } cam_periph_release(periph); } static cam_status pmpregister(struct cam_periph *periph, void *arg) { struct pmp_softc *softc; struct ccb_getdev *cgd; cgd = (struct ccb_getdev *)arg; if (cgd == NULL) { printf("pmpregister: no getdev CCB, can't register device\n"); return(CAM_REQ_CMP_ERR); } softc = (struct pmp_softc *)malloc(sizeof(*softc), M_DEVBUF, M_NOWAIT|M_ZERO); if (softc == NULL) { printf("pmpregister: Unable to probe new device. " "Unable to allocate softc\n"); return(CAM_REQ_CMP_ERR); } periph->softc = softc; softc->pm_pid = ((uint32_t *)&cgd->ident_data)[0]; softc->pm_prv = ((uint32_t *)&cgd->ident_data)[1]; TASK_INIT(&softc->sysctl_task, 0, pmpsysctlinit, periph); xpt_announce_periph(periph, NULL); /* * Add async callbacks for bus reset and * bus device reset calls. I don't bother * checking if this fails as, in most cases, * the system will function just fine without * them and the only alternative would be to * not attach the device on failure. */ xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | AC_SCSI_AEN, pmpasync, periph, periph->path); /* * Take an exclusive refcount on the periph while pmpstart is called * to finish the probe. The reference will be dropped in pmpdone at * the end of probe. */ (void)cam_periph_acquire(periph); xpt_hold_boot(); softc->state = PMP_STATE_PORTS; softc->events = PMP_EV_RESCAN; xpt_schedule(periph, CAM_PRIORITY_DEV); return(CAM_REQ_CMP); } static void pmpstart(struct cam_periph *periph, union ccb *start_ccb) { struct ccb_trans_settings cts; struct ccb_ataio *ataio; struct pmp_softc *softc; struct cam_path *dpath; int revision = 0; softc = (struct pmp_softc *)periph->softc; ataio = &start_ccb->ataio; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("pmpstart\n")); if (softc->restart) { softc->restart = 0; if (softc->pm_pid == 0x37261095 || softc->pm_pid == 0x38261095) softc->state = min(softc->state, PMP_STATE_PM_QUIRKS_1); else softc->state = min(softc->state, PMP_STATE_PRECONFIG); } /* Fetch user wanted device speed. */ if (softc->state == PMP_STATE_RESET || softc->state == PMP_STATE_CONNECT) { if (xpt_create_path(&dpath, periph, xpt_path_path_id(periph->path), softc->pm_step, 0) == CAM_REQ_CMP) { bzero(&cts, sizeof(cts)); xpt_setup_ccb(&cts.ccb_h, dpath, CAM_PRIORITY_NONE); cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; cts.type = CTS_TYPE_USER_SETTINGS; xpt_action((union ccb *)&cts); if (cts.xport_specific.sata.valid & CTS_SATA_VALID_REVISION) revision = cts.xport_specific.sata.revision; xpt_free_path(dpath); } } switch (softc->state) { case PMP_STATE_PORTS: cam_fill_ataio(ataio, pmp_retry_count, pmpdone, /*flags*/CAM_DIR_NONE, 0, /*data_ptr*/NULL, /*dxfer_len*/0, pmp_default_timeout * 1000); ata_pm_read_cmd(ataio, 2, 15); break; case PMP_STATE_PM_QUIRKS_1: case PMP_STATE_PM_QUIRKS_3: cam_fill_ataio(ataio, pmp_retry_count, pmpdone, /*flags*/CAM_DIR_NONE, 0, /*data_ptr*/NULL, /*dxfer_len*/0, pmp_default_timeout * 1000); ata_pm_read_cmd(ataio, 129, 15); break; case PMP_STATE_PM_QUIRKS_2: cam_fill_ataio(ataio, pmp_retry_count, pmpdone, /*flags*/CAM_DIR_NONE, 0, /*data_ptr*/NULL, /*dxfer_len*/0, pmp_default_timeout * 1000); ata_pm_write_cmd(ataio, 129, 15, softc->caps & ~0x1); break; case PMP_STATE_PRECONFIG: /* Get/update host SATA capabilities. */ bzero(&cts, sizeof(cts)); xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; cts.type = CTS_TYPE_CURRENT_SETTINGS; xpt_action((union ccb *)&cts); if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) softc->caps = cts.xport_specific.sata.caps; else softc->caps = 0; cam_fill_ataio(ataio, pmp_retry_count, pmpdone, /*flags*/CAM_DIR_NONE, 0, /*data_ptr*/NULL, /*dxfer_len*/0, pmp_default_timeout * 1000); ata_pm_write_cmd(ataio, 0x60, 15, 0x0); break; case PMP_STATE_RESET: cam_fill_ataio(ataio, pmp_retry_count, pmpdone, /*flags*/CAM_DIR_NONE, 0, /*data_ptr*/NULL, /*dxfer_len*/0, pmp_default_timeout * 1000); ata_pm_write_cmd(ataio, 2, softc->pm_step, (revision << 4) | ((softc->found & (1 << softc->pm_step)) ? 0 : 1)); break; case PMP_STATE_CONNECT: cam_fill_ataio(ataio, pmp_retry_count, pmpdone, /*flags*/CAM_DIR_NONE, 0, /*data_ptr*/NULL, /*dxfer_len*/0, pmp_default_timeout * 1000); ata_pm_write_cmd(ataio, 2, softc->pm_step, (revision << 4)); break; case PMP_STATE_CHECK: cam_fill_ataio(ataio, pmp_retry_count, pmpdone, /*flags*/CAM_DIR_NONE, 0, /*data_ptr*/NULL, /*dxfer_len*/0, pmp_default_timeout * 1000); ata_pm_read_cmd(ataio, 0, softc->pm_step); break; case PMP_STATE_CLEAR: softc->reset = 0; cam_fill_ataio(ataio, pmp_retry_count, pmpdone, /*flags*/CAM_DIR_NONE, 0, /*data_ptr*/NULL, /*dxfer_len*/0, pmp_default_timeout * 1000); ata_pm_write_cmd(ataio, 1, softc->pm_step, 0xFFFFFFFF); break; case PMP_STATE_CONFIG: cam_fill_ataio(ataio, pmp_retry_count, pmpdone, /*flags*/CAM_DIR_NONE, 0, /*data_ptr*/NULL, /*dxfer_len*/0, pmp_default_timeout * 1000); ata_pm_write_cmd(ataio, 0x60, 15, 0x07 | ((softc->caps & CTS_SATA_CAPS_H_AN) ? 0x08 : 0)); break; default: break; } xpt_action(start_ccb); } static void pmpdone(struct cam_periph *periph, union ccb *done_ccb) { struct ccb_trans_settings cts; struct pmp_softc *softc; struct ccb_ataio *ataio; struct cam_path *dpath; u_int32_t priority, res; int i; softc = (struct pmp_softc *)periph->softc; ataio = &done_ccb->ataio; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("pmpdone\n")); priority = done_ccb->ccb_h.pinfo.priority; if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { if (cam_periph_error(done_ccb, 0, 0, NULL) == ERESTART) { return; } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { cam_release_devq(done_ccb->ccb_h.path, /*relsim_flags*/0, /*reduction*/0, /*timeout*/0, /*getcount_only*/0); } goto done; } if (softc->restart) { softc->restart = 0; xpt_release_ccb(done_ccb); if (softc->pm_pid == 0x37261095 || softc->pm_pid == 0x38261095) softc->state = min(softc->state, PMP_STATE_PM_QUIRKS_1); else softc->state = min(softc->state, PMP_STATE_PRECONFIG); xpt_schedule(periph, priority); return; } switch (softc->state) { case PMP_STATE_PORTS: softc->pm_ports = (ataio->res.lba_high << 24) + (ataio->res.lba_mid << 16) + (ataio->res.lba_low << 8) + ataio->res.sector_count; if (pmp_hide_special) { /* * This PMP declares 6 ports, while only 5 of them * are real. Port 5 is a SEMB port, probing which * causes timeouts if external SEP is not connected * to PMP over I2C. */ if ((softc->pm_pid == 0x37261095 || softc->pm_pid == 0x38261095) && softc->pm_ports == 6) softc->pm_ports = 5; /* * This PMP declares 7 ports, while only 5 of them * are real. Port 5 is a fake "Config Disk" with * 640 sectors size. Port 6 is a SEMB port. */ if (softc->pm_pid == 0x47261095 && softc->pm_ports == 7) softc->pm_ports = 5; /* * These PMPs have extra configuration port. */ if (softc->pm_pid == 0x57231095 || softc->pm_pid == 0x57331095 || softc->pm_pid == 0x57341095 || softc->pm_pid == 0x57441095) softc->pm_ports--; } printf("%s%d: %d fan-out ports\n", periph->periph_name, periph->unit_number, softc->pm_ports); if (softc->pm_pid == 0x37261095 || softc->pm_pid == 0x38261095) softc->state = PMP_STATE_PM_QUIRKS_1; else softc->state = PMP_STATE_PRECONFIG; xpt_release_ccb(done_ccb); xpt_schedule(periph, priority); return; case PMP_STATE_PM_QUIRKS_1: softc->caps = (ataio->res.lba_high << 24) + (ataio->res.lba_mid << 16) + (ataio->res.lba_low << 8) + ataio->res.sector_count; if (softc->caps & 0x1) softc->state = PMP_STATE_PM_QUIRKS_2; else softc->state = PMP_STATE_PRECONFIG; xpt_release_ccb(done_ccb); xpt_schedule(periph, priority); return; case PMP_STATE_PM_QUIRKS_2: if (bootverbose) softc->state = PMP_STATE_PM_QUIRKS_3; else softc->state = PMP_STATE_PRECONFIG; xpt_release_ccb(done_ccb); xpt_schedule(periph, priority); return; case PMP_STATE_PM_QUIRKS_3: res = (ataio->res.lba_high << 24) + (ataio->res.lba_mid << 16) + (ataio->res.lba_low << 8) + ataio->res.sector_count; printf("%s%d: Disabling SiI3x26 R_OK in GSCR_POLL: %x->%x\n", periph->periph_name, periph->unit_number, softc->caps, res); softc->state = PMP_STATE_PRECONFIG; xpt_release_ccb(done_ccb); xpt_schedule(periph, priority); return; case PMP_STATE_PRECONFIG: softc->pm_step = 0; softc->state = PMP_STATE_RESET; softc->reset |= ~softc->found; xpt_release_ccb(done_ccb); xpt_schedule(periph, priority); return; case PMP_STATE_RESET: softc->pm_step++; if (softc->pm_step >= softc->pm_ports) { softc->pm_step = 0; cam_freeze_devq(periph->path); cam_release_devq(periph->path, RELSIM_RELEASE_AFTER_TIMEOUT, /*reduction*/0, /*timeout*/5, /*getcount_only*/0); softc->state = PMP_STATE_CONNECT; } xpt_release_ccb(done_ccb); xpt_schedule(periph, priority); return; case PMP_STATE_CONNECT: softc->pm_step++; if (softc->pm_step >= softc->pm_ports) { softc->pm_step = 0; softc->pm_try = 0; cam_freeze_devq(periph->path); cam_release_devq(periph->path, RELSIM_RELEASE_AFTER_TIMEOUT, /*reduction*/0, /*timeout*/10, /*getcount_only*/0); softc->state = PMP_STATE_CHECK; } xpt_release_ccb(done_ccb); xpt_schedule(periph, priority); return; case PMP_STATE_CHECK: res = (ataio->res.lba_high << 24) + (ataio->res.lba_mid << 16) + (ataio->res.lba_low << 8) + ataio->res.sector_count; if (((res & 0xf0f) == 0x103 && (res & 0x0f0) != 0) || (res & 0x600) != 0) { if (bootverbose) { printf("%s%d: port %d status: %08x\n", periph->periph_name, periph->unit_number, softc->pm_step, res); } /* Report device speed if it is online. */ if ((res & 0xf0f) == 0x103 && xpt_create_path(&dpath, periph, xpt_path_path_id(periph->path), softc->pm_step, 0) == CAM_REQ_CMP) { bzero(&cts, sizeof(cts)); xpt_setup_ccb(&cts.ccb_h, dpath, CAM_PRIORITY_NONE); cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; cts.type = CTS_TYPE_CURRENT_SETTINGS; cts.xport_specific.sata.revision = (res & 0x0f0) >> 4; cts.xport_specific.sata.valid = CTS_SATA_VALID_REVISION; cts.xport_specific.sata.caps = softc->caps & (CTS_SATA_CAPS_H_PMREQ | CTS_SATA_CAPS_H_DMAAA | CTS_SATA_CAPS_H_AN); cts.xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; xpt_action((union ccb *)&cts); xpt_free_path(dpath); } softc->found |= (1 << softc->pm_step); softc->pm_step++; } else { if (softc->pm_try < 10) { cam_freeze_devq(periph->path); cam_release_devq(periph->path, RELSIM_RELEASE_AFTER_TIMEOUT, /*reduction*/0, /*timeout*/10, /*getcount_only*/0); softc->pm_try++; } else { if (bootverbose) { printf("%s%d: port %d status: %08x\n", periph->periph_name, periph->unit_number, softc->pm_step, res); } softc->found &= ~(1 << softc->pm_step); if (xpt_create_path(&dpath, periph, done_ccb->ccb_h.path_id, softc->pm_step, 0) == CAM_REQ_CMP) { xpt_async(AC_LOST_DEVICE, dpath, NULL); xpt_free_path(dpath); } softc->pm_step++; } } if (softc->pm_step >= softc->pm_ports) { if (softc->reset & softc->found) { cam_freeze_devq(periph->path); cam_release_devq(periph->path, RELSIM_RELEASE_AFTER_TIMEOUT, /*reduction*/0, /*timeout*/1000, /*getcount_only*/0); } softc->state = PMP_STATE_CLEAR; softc->pm_step = 0; } xpt_release_ccb(done_ccb); xpt_schedule(periph, priority); return; case PMP_STATE_CLEAR: softc->pm_step++; if (softc->pm_step >= softc->pm_ports) { softc->state = PMP_STATE_CONFIG; softc->pm_step = 0; } xpt_release_ccb(done_ccb); xpt_schedule(periph, priority); return; case PMP_STATE_CONFIG: for (i = 0; i < softc->pm_ports; i++) { union ccb *ccb; if ((softc->found & (1 << i)) == 0) continue; if (xpt_create_path(&dpath, periph, xpt_path_path_id(periph->path), i, 0) != CAM_REQ_CMP) { printf("pmpdone: xpt_create_path failed\n"); continue; } /* If we did hard reset to this device, inform XPT. */ if ((softc->reset & softc->found & (1 << i)) != 0) xpt_async(AC_SENT_BDR, dpath, NULL); /* If rescan requested, scan this device. */ if (softc->events & PMP_EV_RESCAN) { ccb = xpt_alloc_ccb_nowait(); if (ccb == NULL) { xpt_free_path(dpath); goto done; } xpt_setup_ccb(&ccb->ccb_h, dpath, CAM_PRIORITY_XPT); xpt_rescan(ccb); } else xpt_free_path(dpath); } break; default: break; } done: xpt_release_ccb(done_ccb); softc->state = PMP_STATE_NORMAL; softc->events = 0; xpt_release_boot(); pmprelease(periph, -1); cam_periph_release_locked(periph); } #endif /* _KERNEL */ Index: stable/9/sys/cam/cam_periph.c =================================================================== --- stable/9/sys/cam/cam_periph.c (revision 257049) +++ stable/9/sys/cam/cam_periph.c (revision 257050) @@ -1,1805 +1,1810 @@ /*- * Common functions for CAM "type" (peripheral) drivers. * * Copyright (c) 1997, 1998 Justin T. Gibbs. * Copyright (c) 1997, 1998, 1999, 2000 Kenneth D. Merry. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static u_int camperiphnextunit(struct periph_driver *p_drv, u_int newunit, int wired, path_id_t pathid, target_id_t target, lun_id_t lun); static u_int camperiphunit(struct periph_driver *p_drv, path_id_t pathid, target_id_t target, lun_id_t lun); static void camperiphdone(struct cam_periph *periph, union ccb *done_ccb); static void camperiphfree(struct cam_periph *periph); static int camperiphscsistatuserror(union ccb *ccb, union ccb **orig_ccb, cam_flags camflags, u_int32_t sense_flags, int *openings, u_int32_t *relsim_flags, u_int32_t *timeout, u_int32_t *action, const char **action_string); static int camperiphscsisenseerror(union ccb *ccb, union ccb **orig_ccb, cam_flags camflags, u_int32_t sense_flags, int *openings, u_int32_t *relsim_flags, u_int32_t *timeout, u_int32_t *action, const char **action_string); static int nperiph_drivers; static int initialized = 0; struct periph_driver **periph_drivers; static MALLOC_DEFINE(M_CAMPERIPH, "CAM periph", "CAM peripheral buffers"); static int periph_selto_delay = 1000; TUNABLE_INT("kern.cam.periph_selto_delay", &periph_selto_delay); static int periph_noresrc_delay = 500; TUNABLE_INT("kern.cam.periph_noresrc_delay", &periph_noresrc_delay); static int periph_busy_delay = 500; TUNABLE_INT("kern.cam.periph_busy_delay", &periph_busy_delay); void periphdriver_register(void *data) { struct periph_driver *drv = (struct periph_driver *)data; struct periph_driver **newdrivers, **old; int ndrivers; ndrivers = nperiph_drivers + 2; newdrivers = malloc(sizeof(*newdrivers) * ndrivers, M_CAMPERIPH, M_WAITOK); if (periph_drivers) bcopy(periph_drivers, newdrivers, sizeof(*newdrivers) * nperiph_drivers); newdrivers[nperiph_drivers] = drv; newdrivers[nperiph_drivers + 1] = NULL; old = periph_drivers; periph_drivers = newdrivers; if (old) free(old, M_CAMPERIPH); nperiph_drivers++; /* If driver marked as early or it is late now, initialize it. */ if (((drv->flags & CAM_PERIPH_DRV_EARLY) != 0 && initialized > 0) || initialized > 1) (*drv->init)(); } void periphdriver_init(int level) { int i, early; initialized = max(initialized, level); for (i = 0; periph_drivers[i] != NULL; i++) { early = (periph_drivers[i]->flags & CAM_PERIPH_DRV_EARLY) ? 1 : 2; if (early == initialized) (*periph_drivers[i]->init)(); } } cam_status cam_periph_alloc(periph_ctor_t *periph_ctor, periph_oninv_t *periph_oninvalidate, periph_dtor_t *periph_dtor, periph_start_t *periph_start, char *name, cam_periph_type type, struct cam_path *path, ac_callback_t *ac_callback, ac_code code, void *arg) { struct periph_driver **p_drv; struct cam_sim *sim; struct cam_periph *periph; struct cam_periph *cur_periph; path_id_t path_id; target_id_t target_id; lun_id_t lun_id; cam_status status; u_int init_level; init_level = 0; /* * Handle Hot-Plug scenarios. If there is already a peripheral * of our type assigned to this path, we are likely waiting for * final close on an old, invalidated, peripheral. If this is * the case, queue up a deferred call to the peripheral's async * handler. If it looks like a mistaken re-allocation, complain. */ if ((periph = cam_periph_find(path, name)) != NULL) { if ((periph->flags & CAM_PERIPH_INVALID) != 0 && (periph->flags & CAM_PERIPH_NEW_DEV_FOUND) == 0) { periph->flags |= CAM_PERIPH_NEW_DEV_FOUND; periph->deferred_callback = ac_callback; periph->deferred_ac = code; return (CAM_REQ_INPROG); } else { printf("cam_periph_alloc: attempt to re-allocate " "valid device %s%d rejected flags %#x " "refcount %d\n", periph->periph_name, periph->unit_number, periph->flags, periph->refcount); } return (CAM_REQ_INVALID); } periph = (struct cam_periph *)malloc(sizeof(*periph), M_CAMPERIPH, M_NOWAIT|M_ZERO); if (periph == NULL) return (CAM_RESRC_UNAVAIL); init_level++; sim = xpt_path_sim(path); path_id = xpt_path_path_id(path); target_id = xpt_path_target_id(path); lun_id = xpt_path_lun_id(path); cam_init_pinfo(&periph->pinfo); periph->periph_start = periph_start; periph->periph_dtor = periph_dtor; periph->periph_oninval = periph_oninvalidate; periph->type = type; periph->periph_name = name; periph->immediate_priority = CAM_PRIORITY_NONE; periph->refcount = 1; /* Dropped by invalidation. */ periph->sim = sim; SLIST_INIT(&periph->ccb_list); status = xpt_create_path(&path, periph, path_id, target_id, lun_id); if (status != CAM_REQ_CMP) goto failure; periph->path = path; xpt_lock_buses(); for (p_drv = periph_drivers; *p_drv != NULL; p_drv++) { if (strcmp((*p_drv)->driver_name, name) == 0) break; } if (*p_drv == NULL) { printf("cam_periph_alloc: invalid periph name '%s'\n", name); xpt_unlock_buses(); xpt_free_path(periph->path); free(periph, M_CAMPERIPH); return (CAM_REQ_INVALID); } periph->unit_number = camperiphunit(*p_drv, path_id, target_id, lun_id); cur_periph = TAILQ_FIRST(&(*p_drv)->units); while (cur_periph != NULL && cur_periph->unit_number < periph->unit_number) cur_periph = TAILQ_NEXT(cur_periph, unit_links); if (cur_periph != NULL) { KASSERT(cur_periph->unit_number != periph->unit_number, ("duplicate units on periph list")); TAILQ_INSERT_BEFORE(cur_periph, periph, unit_links); } else { TAILQ_INSERT_TAIL(&(*p_drv)->units, periph, unit_links); (*p_drv)->generation++; } xpt_unlock_buses(); init_level++; status = xpt_add_periph(periph); if (status != CAM_REQ_CMP) goto failure; init_level++; CAM_DEBUG(periph->path, CAM_DEBUG_INFO, ("Periph created\n")); status = periph_ctor(periph, arg); if (status == CAM_REQ_CMP) init_level++; failure: switch (init_level) { case 4: /* Initialized successfully */ break; case 3: CAM_DEBUG(periph->path, CAM_DEBUG_INFO, ("Periph destroyed\n")); xpt_remove_periph(periph); /* FALLTHROUGH */ case 2: xpt_lock_buses(); TAILQ_REMOVE(&(*p_drv)->units, periph, unit_links); xpt_unlock_buses(); xpt_free_path(periph->path); /* FALLTHROUGH */ case 1: free(periph, M_CAMPERIPH); /* FALLTHROUGH */ case 0: /* No cleanup to perform. */ break; default: panic("%s: Unknown init level", __func__); } return(status); } /* * Find a peripheral structure with the specified path, target, lun, * and (optionally) type. If the name is NULL, this function will return * the first peripheral driver that matches the specified path. */ struct cam_periph * cam_periph_find(struct cam_path *path, char *name) { struct periph_driver **p_drv; struct cam_periph *periph; xpt_lock_buses(); for (p_drv = periph_drivers; *p_drv != NULL; p_drv++) { if (name != NULL && (strcmp((*p_drv)->driver_name, name) != 0)) continue; TAILQ_FOREACH(periph, &(*p_drv)->units, unit_links) { if (xpt_path_comp(periph->path, path) == 0) { xpt_unlock_buses(); mtx_assert(periph->sim->mtx, MA_OWNED); return(periph); } } if (name != NULL) { xpt_unlock_buses(); return(NULL); } } xpt_unlock_buses(); return(NULL); } /* * Find peripheral driver instances attached to the specified path. */ int cam_periph_list(struct cam_path *path, struct sbuf *sb) { struct sbuf local_sb; struct periph_driver **p_drv; struct cam_periph *periph; int count; int sbuf_alloc_len; sbuf_alloc_len = 16; retry: sbuf_new(&local_sb, NULL, sbuf_alloc_len, SBUF_FIXEDLEN); count = 0; xpt_lock_buses(); for (p_drv = periph_drivers; *p_drv != NULL; p_drv++) { TAILQ_FOREACH(periph, &(*p_drv)->units, unit_links) { if (xpt_path_comp(periph->path, path) != 0) continue; if (sbuf_len(&local_sb) != 0) sbuf_cat(&local_sb, ","); sbuf_printf(&local_sb, "%s%d", periph->periph_name, periph->unit_number); if (sbuf_error(&local_sb) == ENOMEM) { sbuf_alloc_len *= 2; xpt_unlock_buses(); sbuf_delete(&local_sb); goto retry; } count++; } } xpt_unlock_buses(); sbuf_finish(&local_sb); sbuf_cpy(sb, sbuf_data(&local_sb)); sbuf_delete(&local_sb); return (count); } cam_status cam_periph_acquire(struct cam_periph *periph) { cam_status status; status = CAM_REQ_CMP_ERR; if (periph == NULL) return (status); xpt_lock_buses(); if ((periph->flags & CAM_PERIPH_INVALID) == 0) { periph->refcount++; status = CAM_REQ_CMP; } xpt_unlock_buses(); return (status); } void cam_periph_release_locked_buses(struct cam_periph *periph) { mtx_assert(periph->sim->mtx, MA_OWNED); KASSERT(periph->refcount >= 1, ("periph->refcount >= 1")); if (--periph->refcount == 0) camperiphfree(periph); } void cam_periph_release_locked(struct cam_periph *periph) { if (periph == NULL) return; xpt_lock_buses(); cam_periph_release_locked_buses(periph); xpt_unlock_buses(); } void cam_periph_release(struct cam_periph *periph) { struct cam_sim *sim; if (periph == NULL) return; sim = periph->sim; mtx_assert(sim->mtx, MA_NOTOWNED); mtx_lock(sim->mtx); cam_periph_release_locked(periph); mtx_unlock(sim->mtx); } int cam_periph_hold(struct cam_periph *periph, int priority) { int error; /* * Increment the reference count on the peripheral * while we wait for our lock attempt to succeed * to ensure the peripheral doesn't disappear out * from user us while we sleep. */ if (cam_periph_acquire(periph) != CAM_REQ_CMP) return (ENXIO); mtx_assert(periph->sim->mtx, MA_OWNED); while ((periph->flags & CAM_PERIPH_LOCKED) != 0) { periph->flags |= CAM_PERIPH_LOCK_WANTED; if ((error = mtx_sleep(periph, periph->sim->mtx, priority, "caplck", 0)) != 0) { cam_periph_release_locked(periph); return (error); } if (periph->flags & CAM_PERIPH_INVALID) { cam_periph_release_locked(periph); return (ENXIO); } } periph->flags |= CAM_PERIPH_LOCKED; return (0); } void cam_periph_unhold(struct cam_periph *periph) { mtx_assert(periph->sim->mtx, MA_OWNED); periph->flags &= ~CAM_PERIPH_LOCKED; if ((periph->flags & CAM_PERIPH_LOCK_WANTED) != 0) { periph->flags &= ~CAM_PERIPH_LOCK_WANTED; wakeup(periph); } cam_periph_release_locked(periph); } /* * Look for the next unit number that is not currently in use for this * peripheral type starting at "newunit". Also exclude unit numbers that * are reserved by for future "hardwiring" unless we already know that this * is a potential wired device. Only assume that the device is "wired" the * first time through the loop since after that we'll be looking at unit * numbers that did not match a wiring entry. */ static u_int camperiphnextunit(struct periph_driver *p_drv, u_int newunit, int wired, path_id_t pathid, target_id_t target, lun_id_t lun) { struct cam_periph *periph; char *periph_name; int i, val, dunit, r; const char *dname, *strval; periph_name = p_drv->driver_name; for (;;newunit++) { for (periph = TAILQ_FIRST(&p_drv->units); periph != NULL && periph->unit_number != newunit; periph = TAILQ_NEXT(periph, unit_links)) ; if (periph != NULL && periph->unit_number == newunit) { if (wired != 0) { xpt_print(periph->path, "Duplicate Wired " "Device entry!\n"); xpt_print(periph->path, "Second device (%s " "device at scbus%d target %d lun %d) will " "not be wired\n", periph_name, pathid, target, lun); wired = 0; } continue; } if (wired) break; /* * Don't match entries like "da 4" as a wired down * device, but do match entries like "da 4 target 5" * or even "da 4 scbus 1". */ i = 0; dname = periph_name; for (;;) { r = resource_find_dev(&i, dname, &dunit, NULL, NULL); if (r != 0) break; /* if no "target" and no specific scbus, skip */ if (resource_int_value(dname, dunit, "target", &val) && (resource_string_value(dname, dunit, "at",&strval)|| strcmp(strval, "scbus") == 0)) continue; if (newunit == dunit) break; } if (r != 0) break; } return (newunit); } static u_int camperiphunit(struct periph_driver *p_drv, path_id_t pathid, target_id_t target, lun_id_t lun) { u_int unit; int wired, i, val, dunit; const char *dname, *strval; char pathbuf[32], *periph_name; periph_name = p_drv->driver_name; snprintf(pathbuf, sizeof(pathbuf), "scbus%d", pathid); unit = 0; i = 0; dname = periph_name; for (wired = 0; resource_find_dev(&i, dname, &dunit, NULL, NULL) == 0; wired = 0) { if (resource_string_value(dname, dunit, "at", &strval) == 0) { if (strcmp(strval, pathbuf) != 0) continue; wired++; } if (resource_int_value(dname, dunit, "target", &val) == 0) { if (val != target) continue; wired++; } if (resource_int_value(dname, dunit, "lun", &val) == 0) { if (val != lun) continue; wired++; } if (wired != 0) { unit = dunit; break; } } /* * Either start from 0 looking for the next unit or from * the unit number given in the resource config. This way, * if we have wildcard matches, we don't return the same * unit number twice. */ unit = camperiphnextunit(p_drv, unit, wired, pathid, target, lun); return (unit); } void cam_periph_invalidate(struct cam_periph *periph) { mtx_assert(periph->sim->mtx, MA_OWNED); /* * We only call this routine the first time a peripheral is * invalidated. */ if ((periph->flags & CAM_PERIPH_INVALID) != 0) return; CAM_DEBUG(periph->path, CAM_DEBUG_INFO, ("Periph invalidated\n")); + if (periph->flags & CAM_PERIPH_ANNOUNCED) + xpt_denounce_periph(periph); periph->flags |= CAM_PERIPH_INVALID; periph->flags &= ~CAM_PERIPH_NEW_DEV_FOUND; if (periph->periph_oninval != NULL) periph->periph_oninval(periph); cam_periph_release_locked(periph); } static void camperiphfree(struct cam_periph *periph) { struct periph_driver **p_drv; mtx_assert(periph->sim->mtx, MA_OWNED); for (p_drv = periph_drivers; *p_drv != NULL; p_drv++) { if (strcmp((*p_drv)->driver_name, periph->periph_name) == 0) break; } if (*p_drv == NULL) { printf("camperiphfree: attempt to free non-existant periph\n"); return; } /* * We need to set this flag before dropping the topology lock, to * let anyone who is traversing the list that this peripheral is * about to be freed, and there will be no more reference count * checks. */ periph->flags |= CAM_PERIPH_FREE; /* * The peripheral destructor semantics dictate calling with only the * SIM mutex held. Since it might sleep, it should not be called * with the topology lock held. */ xpt_unlock_buses(); /* * We need to call the peripheral destructor prior to removing the * peripheral from the list. Otherwise, we risk running into a * scenario where the peripheral unit number may get reused * (because it has been removed from the list), but some resources * used by the peripheral are still hanging around. In particular, * the devfs nodes used by some peripherals like the pass(4) driver * aren't fully cleaned up until the destructor is run. If the * unit number is reused before the devfs instance is fully gone, * devfs will panic. */ if (periph->periph_dtor != NULL) periph->periph_dtor(periph); /* * The peripheral list is protected by the topology lock. */ xpt_lock_buses(); TAILQ_REMOVE(&(*p_drv)->units, periph, unit_links); (*p_drv)->generation++; xpt_remove_periph(periph); xpt_unlock_buses(); - CAM_DEBUG(periph->path, CAM_DEBUG_INFO, ("Periph destroyed\n")); + if (periph->flags & CAM_PERIPH_ANNOUNCED) { + xpt_print(periph->path, "Periph destroyed\n"); + } else + CAM_DEBUG(periph->path, CAM_DEBUG_INFO, ("Periph destroyed\n")); if (periph->flags & CAM_PERIPH_NEW_DEV_FOUND) { union ccb ccb; void *arg; switch (periph->deferred_ac) { case AC_FOUND_DEVICE: ccb.ccb_h.func_code = XPT_GDEV_TYPE; xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); xpt_action(&ccb); arg = &ccb; break; case AC_PATH_REGISTERED: ccb.ccb_h.func_code = XPT_PATH_INQ; xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); xpt_action(&ccb); arg = &ccb; break; default: arg = NULL; break; } periph->deferred_callback(NULL, periph->deferred_ac, periph->path, arg); } xpt_free_path(periph->path); free(periph, M_CAMPERIPH); xpt_lock_buses(); } /* * Map user virtual pointers into kernel virtual address space, so we can * access the memory. This is now a generic function that centralizes most * of the sanity checks on the data flags, if any. * This also only works for up to MAXPHYS memory. Since we use * buffers to map stuff in and out, we're limited to the buffer size. */ int cam_periph_mapmem(union ccb *ccb, struct cam_periph_map_info *mapinfo) { int numbufs, i, j; int flags[CAM_PERIPH_MAXMAPS]; u_int8_t **data_ptrs[CAM_PERIPH_MAXMAPS]; u_int32_t lengths[CAM_PERIPH_MAXMAPS]; u_int32_t dirs[CAM_PERIPH_MAXMAPS]; /* Some controllers may not be able to handle more data. */ size_t maxmap = DFLTPHYS; switch(ccb->ccb_h.func_code) { case XPT_DEV_MATCH: if (ccb->cdm.match_buf_len == 0) { printf("cam_periph_mapmem: invalid match buffer " "length 0\n"); return(EINVAL); } if (ccb->cdm.pattern_buf_len > 0) { data_ptrs[0] = (u_int8_t **)&ccb->cdm.patterns; lengths[0] = ccb->cdm.pattern_buf_len; dirs[0] = CAM_DIR_OUT; data_ptrs[1] = (u_int8_t **)&ccb->cdm.matches; lengths[1] = ccb->cdm.match_buf_len; dirs[1] = CAM_DIR_IN; numbufs = 2; } else { data_ptrs[0] = (u_int8_t **)&ccb->cdm.matches; lengths[0] = ccb->cdm.match_buf_len; dirs[0] = CAM_DIR_IN; numbufs = 1; } /* * This request will not go to the hardware, no reason * to be so strict. vmapbuf() is able to map up to MAXPHYS. */ maxmap = MAXPHYS; break; case XPT_SCSI_IO: case XPT_CONT_TARGET_IO: if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_NONE) return(0); if ((ccb->ccb_h.flags & CAM_DATA_MASK) != CAM_DATA_VADDR) return (EINVAL); data_ptrs[0] = &ccb->csio.data_ptr; lengths[0] = ccb->csio.dxfer_len; dirs[0] = ccb->ccb_h.flags & CAM_DIR_MASK; numbufs = 1; break; case XPT_ATA_IO: if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_NONE) return(0); if ((ccb->ccb_h.flags & CAM_DATA_MASK) != CAM_DATA_VADDR) return (EINVAL); data_ptrs[0] = &ccb->ataio.data_ptr; lengths[0] = ccb->ataio.dxfer_len; dirs[0] = ccb->ccb_h.flags & CAM_DIR_MASK; numbufs = 1; break; case XPT_SMP_IO: data_ptrs[0] = &ccb->smpio.smp_request; lengths[0] = ccb->smpio.smp_request_len; dirs[0] = CAM_DIR_OUT; data_ptrs[1] = &ccb->smpio.smp_response; lengths[1] = ccb->smpio.smp_response_len; dirs[1] = CAM_DIR_IN; numbufs = 2; break; case XPT_DEV_ADVINFO: if (ccb->cdai.bufsiz == 0) return (0); data_ptrs[0] = (uint8_t **)&ccb->cdai.buf; lengths[0] = ccb->cdai.bufsiz; dirs[0] = CAM_DIR_IN; numbufs = 1; /* * This request will not go to the hardware, no reason * to be so strict. vmapbuf() is able to map up to MAXPHYS. */ maxmap = MAXPHYS; break; default: return(EINVAL); break; /* NOTREACHED */ } /* * Check the transfer length and permissions first, so we don't * have to unmap any previously mapped buffers. */ for (i = 0; i < numbufs; i++) { flags[i] = 0; /* * The userland data pointer passed in may not be page * aligned. vmapbuf() truncates the address to a page * boundary, so if the address isn't page aligned, we'll * need enough space for the given transfer length, plus * whatever extra space is necessary to make it to the page * boundary. */ if ((lengths[i] + (((vm_offset_t)(*data_ptrs[i])) & PAGE_MASK)) > maxmap){ printf("cam_periph_mapmem: attempt to map %lu bytes, " "which is greater than %lu\n", (long)(lengths[i] + (((vm_offset_t)(*data_ptrs[i])) & PAGE_MASK)), (u_long)maxmap); return(E2BIG); } if (dirs[i] & CAM_DIR_OUT) { flags[i] = BIO_WRITE; } if (dirs[i] & CAM_DIR_IN) { flags[i] = BIO_READ; } } /* * This keeps the the kernel stack of current thread from getting * swapped. In low-memory situations where the kernel stack might * otherwise get swapped out, this holds it and allows the thread * to make progress and release the kernel mapped pages sooner. * * XXX KDM should I use P_NOSWAP instead? */ PHOLD(curproc); for (i = 0; i < numbufs; i++) { /* * Get the buffer. */ mapinfo->bp[i] = getpbuf(NULL); /* save the buffer's data address */ mapinfo->bp[i]->b_saveaddr = mapinfo->bp[i]->b_data; /* put our pointer in the data slot */ mapinfo->bp[i]->b_data = *data_ptrs[i]; /* set the transfer length, we know it's < MAXPHYS */ mapinfo->bp[i]->b_bufsize = lengths[i]; /* set the direction */ mapinfo->bp[i]->b_iocmd = flags[i]; /* * Map the buffer into kernel memory. * * Note that useracc() alone is not a sufficient test. * vmapbuf() can still fail due to a smaller file mapped * into a larger area of VM, or if userland races against * vmapbuf() after the useracc() check. */ if (vmapbuf(mapinfo->bp[i], 1) < 0) { for (j = 0; j < i; ++j) { *data_ptrs[j] = mapinfo->bp[j]->b_saveaddr; vunmapbuf(mapinfo->bp[j]); relpbuf(mapinfo->bp[j], NULL); } relpbuf(mapinfo->bp[i], NULL); PRELE(curproc); return(EACCES); } /* set our pointer to the new mapped area */ *data_ptrs[i] = mapinfo->bp[i]->b_data; mapinfo->num_bufs_used++; } /* * Now that we've gotten this far, change ownership to the kernel * of the buffers so that we don't run afoul of returning to user * space with locks (on the buffer) held. */ for (i = 0; i < numbufs; i++) { BUF_KERNPROC(mapinfo->bp[i]); } return(0); } /* * Unmap memory segments mapped into kernel virtual address space by * cam_periph_mapmem(). */ void cam_periph_unmapmem(union ccb *ccb, struct cam_periph_map_info *mapinfo) { int numbufs, i; u_int8_t **data_ptrs[CAM_PERIPH_MAXMAPS]; if (mapinfo->num_bufs_used <= 0) { /* nothing to free and the process wasn't held. */ return; } switch (ccb->ccb_h.func_code) { case XPT_DEV_MATCH: numbufs = min(mapinfo->num_bufs_used, 2); if (numbufs == 1) { data_ptrs[0] = (u_int8_t **)&ccb->cdm.matches; } else { data_ptrs[0] = (u_int8_t **)&ccb->cdm.patterns; data_ptrs[1] = (u_int8_t **)&ccb->cdm.matches; } break; case XPT_SCSI_IO: case XPT_CONT_TARGET_IO: data_ptrs[0] = &ccb->csio.data_ptr; numbufs = min(mapinfo->num_bufs_used, 1); break; case XPT_ATA_IO: data_ptrs[0] = &ccb->ataio.data_ptr; numbufs = min(mapinfo->num_bufs_used, 1); break; case XPT_SMP_IO: numbufs = min(mapinfo->num_bufs_used, 2); data_ptrs[0] = &ccb->smpio.smp_request; data_ptrs[1] = &ccb->smpio.smp_response; break; case XPT_DEV_ADVINFO: numbufs = min(mapinfo->num_bufs_used, 1); data_ptrs[0] = (uint8_t **)&ccb->cdai.buf; break; default: /* allow ourselves to be swapped once again */ PRELE(curproc); return; break; /* NOTREACHED */ } for (i = 0; i < numbufs; i++) { /* Set the user's pointer back to the original value */ *data_ptrs[i] = mapinfo->bp[i]->b_saveaddr; /* unmap the buffer */ vunmapbuf(mapinfo->bp[i]); /* release the buffer */ relpbuf(mapinfo->bp[i], NULL); } /* allow ourselves to be swapped once again */ PRELE(curproc); } union ccb * cam_periph_getccb(struct cam_periph *periph, u_int32_t priority) { struct ccb_hdr *ccb_h; mtx_assert(periph->sim->mtx, MA_OWNED); CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdgetccb\n")); while (SLIST_FIRST(&periph->ccb_list) == NULL) { if (periph->immediate_priority > priority) periph->immediate_priority = priority; xpt_schedule(periph, priority); if ((SLIST_FIRST(&periph->ccb_list) != NULL) && (SLIST_FIRST(&periph->ccb_list)->pinfo.priority == priority)) break; mtx_assert(periph->sim->mtx, MA_OWNED); mtx_sleep(&periph->ccb_list, periph->sim->mtx, PRIBIO, "cgticb", 0); } ccb_h = SLIST_FIRST(&periph->ccb_list); SLIST_REMOVE_HEAD(&periph->ccb_list, periph_links.sle); return ((union ccb *)ccb_h); } void cam_periph_ccbwait(union ccb *ccb) { struct cam_sim *sim; sim = xpt_path_sim(ccb->ccb_h.path); if ((ccb->ccb_h.pinfo.index != CAM_UNQUEUED_INDEX) || ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG)) mtx_sleep(&ccb->ccb_h.cbfcnp, sim->mtx, PRIBIO, "cbwait", 0); } int cam_periph_ioctl(struct cam_periph *periph, u_long cmd, caddr_t addr, int (*error_routine)(union ccb *ccb, cam_flags camflags, u_int32_t sense_flags)) { union ccb *ccb; int error; int found; error = found = 0; switch(cmd){ case CAMGETPASSTHRU: ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); xpt_setup_ccb(&ccb->ccb_h, ccb->ccb_h.path, CAM_PRIORITY_NORMAL); ccb->ccb_h.func_code = XPT_GDEVLIST; /* * Basically, the point of this is that we go through * getting the list of devices, until we find a passthrough * device. In the current version of the CAM code, the * only way to determine what type of device we're dealing * with is by its name. */ while (found == 0) { ccb->cgdl.index = 0; ccb->cgdl.status = CAM_GDEVLIST_MORE_DEVS; while (ccb->cgdl.status == CAM_GDEVLIST_MORE_DEVS) { /* we want the next device in the list */ xpt_action(ccb); if (strncmp(ccb->cgdl.periph_name, "pass", 4) == 0){ found = 1; break; } } if ((ccb->cgdl.status == CAM_GDEVLIST_LAST_DEVICE) && (found == 0)) { ccb->cgdl.periph_name[0] = '\0'; ccb->cgdl.unit_number = 0; break; } } /* copy the result back out */ bcopy(ccb, addr, sizeof(union ccb)); /* and release the ccb */ xpt_release_ccb(ccb); break; default: error = ENOTTY; break; } return(error); } int cam_periph_runccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, cam_flags camflags, u_int32_t sense_flags), cam_flags camflags, u_int32_t sense_flags, struct devstat *ds) { struct cam_sim *sim; int error; error = 0; sim = xpt_path_sim(ccb->ccb_h.path); mtx_assert(sim->mtx, MA_OWNED); /* * If the user has supplied a stats structure, and if we understand * this particular type of ccb, record the transaction start. */ if ((ds != NULL) && (ccb->ccb_h.func_code == XPT_SCSI_IO || ccb->ccb_h.func_code == XPT_ATA_IO)) devstat_start_transaction(ds, NULL); xpt_action(ccb); do { cam_periph_ccbwait(ccb); if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) error = 0; else if (error_routine != NULL) error = (*error_routine)(ccb, camflags, sense_flags); else error = 0; } while (error == ERESTART); if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { cam_release_devq(ccb->ccb_h.path, /* relsim_flags */0, /* openings */0, /* timeout */0, /* getcount_only */ FALSE); ccb->ccb_h.status &= ~CAM_DEV_QFRZN; } if (ds != NULL) { if (ccb->ccb_h.func_code == XPT_SCSI_IO) { devstat_end_transaction(ds, ccb->csio.dxfer_len, ccb->csio.tag_action & 0x3, ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_NONE) ? DEVSTAT_NO_DATA : (ccb->ccb_h.flags & CAM_DIR_OUT) ? DEVSTAT_WRITE : DEVSTAT_READ, NULL, NULL); } else if (ccb->ccb_h.func_code == XPT_ATA_IO) { devstat_end_transaction(ds, ccb->ataio.dxfer_len, ccb->ataio.tag_action & 0x3, ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_NONE) ? DEVSTAT_NO_DATA : (ccb->ccb_h.flags & CAM_DIR_OUT) ? DEVSTAT_WRITE : DEVSTAT_READ, NULL, NULL); } } return(error); } void cam_freeze_devq(struct cam_path *path) { struct ccb_hdr ccb_h; CAM_DEBUG(path, CAM_DEBUG_TRACE, ("cam_freeze_devq\n")); xpt_setup_ccb(&ccb_h, path, /*priority*/1); ccb_h.func_code = XPT_NOOP; ccb_h.flags = CAM_DEV_QFREEZE; xpt_action((union ccb *)&ccb_h); } u_int32_t cam_release_devq(struct cam_path *path, u_int32_t relsim_flags, u_int32_t openings, u_int32_t arg, int getcount_only) { struct ccb_relsim crs; CAM_DEBUG(path, CAM_DEBUG_TRACE, ("cam_release_devq(%u, %u, %u, %d)\n", relsim_flags, openings, arg, getcount_only)); xpt_setup_ccb(&crs.ccb_h, path, CAM_PRIORITY_NORMAL); crs.ccb_h.func_code = XPT_REL_SIMQ; crs.ccb_h.flags = getcount_only ? CAM_DEV_QFREEZE : 0; crs.release_flags = relsim_flags; crs.openings = openings; crs.release_timeout = arg; xpt_action((union ccb *)&crs); return (crs.qfrozen_cnt); } #define saved_ccb_ptr ppriv_ptr0 static void camperiphdone(struct cam_periph *periph, union ccb *done_ccb) { union ccb *saved_ccb; cam_status status; struct scsi_start_stop_unit *scsi_cmd; int error_code, sense_key, asc, ascq; scsi_cmd = (struct scsi_start_stop_unit *) &done_ccb->csio.cdb_io.cdb_bytes; status = done_ccb->ccb_h.status; if ((status & CAM_STATUS_MASK) != CAM_REQ_CMP) { if (scsi_extract_sense_ccb(done_ccb, &error_code, &sense_key, &asc, &ascq)) { /* * If the error is "invalid field in CDB", * and the load/eject flag is set, turn the * flag off and try again. This is just in * case the drive in question barfs on the * load eject flag. The CAM code should set * the load/eject flag by default for * removable media. */ if ((scsi_cmd->opcode == START_STOP_UNIT) && ((scsi_cmd->how & SSS_LOEJ) != 0) && (asc == 0x24) && (ascq == 0x00)) { scsi_cmd->how &= ~SSS_LOEJ; if (status & CAM_DEV_QFRZN) { cam_release_devq(done_ccb->ccb_h.path, 0, 0, 0, 0); done_ccb->ccb_h.status &= ~CAM_DEV_QFRZN; } xpt_action(done_ccb); goto out; } } if (cam_periph_error(done_ccb, 0, SF_RETRY_UA | SF_NO_PRINT, NULL) == ERESTART) goto out; if (done_ccb->ccb_h.status & CAM_DEV_QFRZN) { cam_release_devq(done_ccb->ccb_h.path, 0, 0, 0, 0); done_ccb->ccb_h.status &= ~CAM_DEV_QFRZN; } } else { /* * If we have successfully taken a device from the not * ready to ready state, re-scan the device and re-get * the inquiry information. Many devices (mostly disks) * don't properly report their inquiry information unless * they are spun up. */ if (scsi_cmd->opcode == START_STOP_UNIT) xpt_async(AC_INQ_CHANGED, done_ccb->ccb_h.path, NULL); } /* * Perform the final retry with the original CCB so that final * error processing is performed by the owner of the CCB. */ saved_ccb = (union ccb *)done_ccb->ccb_h.saved_ccb_ptr; bcopy(saved_ccb, done_ccb, sizeof(*done_ccb)); xpt_free_ccb(saved_ccb); if (done_ccb->ccb_h.cbfcnp != camperiphdone) periph->flags &= ~CAM_PERIPH_RECOVERY_INPROG; xpt_action(done_ccb); out: /* Drop freeze taken due to CAM_DEV_QFREEZE flag set. */ cam_release_devq(done_ccb->ccb_h.path, 0, 0, 0, 0); } /* * Generic Async Event handler. Peripheral drivers usually * filter out the events that require personal attention, * and leave the rest to this function. */ void cam_periph_async(struct cam_periph *periph, u_int32_t code, struct cam_path *path, void *arg) { switch (code) { case AC_LOST_DEVICE: cam_periph_invalidate(periph); break; default: break; } } void cam_periph_bus_settle(struct cam_periph *periph, u_int bus_settle) { struct ccb_getdevstats cgds; xpt_setup_ccb(&cgds.ccb_h, periph->path, CAM_PRIORITY_NORMAL); cgds.ccb_h.func_code = XPT_GDEV_STATS; xpt_action((union ccb *)&cgds); cam_periph_freeze_after_event(periph, &cgds.last_reset, bus_settle); } void cam_periph_freeze_after_event(struct cam_periph *periph, struct timeval* event_time, u_int duration_ms) { struct timeval delta; struct timeval duration_tv; if (!timevalisset(event_time)) return; microtime(&delta); timevalsub(&delta, event_time); duration_tv.tv_sec = duration_ms / 1000; duration_tv.tv_usec = (duration_ms % 1000) * 1000; if (timevalcmp(&delta, &duration_tv, <)) { timevalsub(&duration_tv, &delta); duration_ms = duration_tv.tv_sec * 1000; duration_ms += duration_tv.tv_usec / 1000; cam_freeze_devq(periph->path); cam_release_devq(periph->path, RELSIM_RELEASE_AFTER_TIMEOUT, /*reduction*/0, /*timeout*/duration_ms, /*getcount_only*/0); } } static int camperiphscsistatuserror(union ccb *ccb, union ccb **orig_ccb, cam_flags camflags, u_int32_t sense_flags, int *openings, u_int32_t *relsim_flags, u_int32_t *timeout, u_int32_t *action, const char **action_string) { int error; switch (ccb->csio.scsi_status) { case SCSI_STATUS_OK: case SCSI_STATUS_COND_MET: case SCSI_STATUS_INTERMED: case SCSI_STATUS_INTERMED_COND_MET: error = 0; break; case SCSI_STATUS_CMD_TERMINATED: case SCSI_STATUS_CHECK_COND: error = camperiphscsisenseerror(ccb, orig_ccb, camflags, sense_flags, openings, relsim_flags, timeout, action, action_string); break; case SCSI_STATUS_QUEUE_FULL: { /* no decrement */ struct ccb_getdevstats cgds; /* * First off, find out what the current * transaction counts are. */ xpt_setup_ccb(&cgds.ccb_h, ccb->ccb_h.path, CAM_PRIORITY_NORMAL); cgds.ccb_h.func_code = XPT_GDEV_STATS; xpt_action((union ccb *)&cgds); /* * If we were the only transaction active, treat * the QUEUE FULL as if it were a BUSY condition. */ if (cgds.dev_active != 0) { int total_openings; /* * Reduce the number of openings to * be 1 less than the amount it took * to get a queue full bounded by the * minimum allowed tag count for this * device. */ total_openings = cgds.dev_active + cgds.dev_openings; *openings = cgds.dev_active; if (*openings < cgds.mintags) *openings = cgds.mintags; if (*openings < total_openings) *relsim_flags = RELSIM_ADJUST_OPENINGS; else { /* * Some devices report queue full for * temporary resource shortages. For * this reason, we allow a minimum * tag count to be entered via a * quirk entry to prevent the queue * count on these devices from falling * to a pessimisticly low value. We * still wait for the next successful * completion, however, before queueing * more transactions to the device. */ *relsim_flags = RELSIM_RELEASE_AFTER_CMDCMPLT; } *timeout = 0; error = ERESTART; *action &= ~SSQ_PRINT_SENSE; break; } /* FALLTHROUGH */ } case SCSI_STATUS_BUSY: /* * Restart the queue after either another * command completes or a 1 second timeout. */ if (ccb->ccb_h.retry_count > 0) { ccb->ccb_h.retry_count--; error = ERESTART; *relsim_flags = RELSIM_RELEASE_AFTER_TIMEOUT | RELSIM_RELEASE_AFTER_CMDCMPLT; *timeout = 1000; } else { error = EIO; } break; case SCSI_STATUS_RESERV_CONFLICT: default: error = EIO; break; } return (error); } static int camperiphscsisenseerror(union ccb *ccb, union ccb **orig, cam_flags camflags, u_int32_t sense_flags, int *openings, u_int32_t *relsim_flags, u_int32_t *timeout, u_int32_t *action, const char **action_string) { struct cam_periph *periph; union ccb *orig_ccb = ccb; int error, recoveryccb; periph = xpt_path_periph(ccb->ccb_h.path); recoveryccb = (ccb->ccb_h.cbfcnp == camperiphdone); if ((periph->flags & CAM_PERIPH_RECOVERY_INPROG) && !recoveryccb) { /* * If error recovery is already in progress, don't attempt * to process this error, but requeue it unconditionally * and attempt to process it once error recovery has * completed. This failed command is probably related to * the error that caused the currently active error recovery * action so our current recovery efforts should also * address this command. Be aware that the error recovery * code assumes that only one recovery action is in progress * on a particular peripheral instance at any given time * (e.g. only one saved CCB for error recovery) so it is * imperitive that we don't violate this assumption. */ error = ERESTART; *action &= ~SSQ_PRINT_SENSE; } else { scsi_sense_action err_action; struct ccb_getdev cgd; /* * Grab the inquiry data for this device. */ xpt_setup_ccb(&cgd.ccb_h, ccb->ccb_h.path, CAM_PRIORITY_NORMAL); cgd.ccb_h.func_code = XPT_GDEV_TYPE; xpt_action((union ccb *)&cgd); err_action = scsi_error_action(&ccb->csio, &cgd.inq_data, sense_flags); error = err_action & SS_ERRMASK; /* * Do not autostart sequential access devices * to avoid unexpected tape loading. */ if ((err_action & SS_MASK) == SS_START && SID_TYPE(&cgd.inq_data) == T_SEQUENTIAL) { *action_string = "Will not autostart a " "sequential access device"; goto sense_error_done; } /* * Avoid recovery recursion if recovery action is the same. */ if ((err_action & SS_MASK) >= SS_START && recoveryccb) { if (((err_action & SS_MASK) == SS_START && ccb->csio.cdb_io.cdb_bytes[0] == START_STOP_UNIT) || ((err_action & SS_MASK) == SS_TUR && (ccb->csio.cdb_io.cdb_bytes[0] == TEST_UNIT_READY))) { err_action = SS_RETRY|SSQ_DECREMENT_COUNT|EIO; *relsim_flags = RELSIM_RELEASE_AFTER_TIMEOUT; *timeout = 500; } } /* * If the recovery action will consume a retry, * make sure we actually have retries available. */ if ((err_action & SSQ_DECREMENT_COUNT) != 0) { if (ccb->ccb_h.retry_count > 0 && (periph->flags & CAM_PERIPH_INVALID) == 0) ccb->ccb_h.retry_count--; else { *action_string = "Retries exhausted"; goto sense_error_done; } } if ((err_action & SS_MASK) >= SS_START) { /* * Do common portions of commands that * use recovery CCBs. */ orig_ccb = xpt_alloc_ccb_nowait(); if (orig_ccb == NULL) { *action_string = "Can't allocate recovery CCB"; goto sense_error_done; } /* * Clear freeze flag for original request here, as * this freeze will be dropped as part of ERESTART. */ ccb->ccb_h.status &= ~CAM_DEV_QFRZN; bcopy(ccb, orig_ccb, sizeof(*orig_ccb)); } switch (err_action & SS_MASK) { case SS_NOP: *action_string = "No recovery action needed"; error = 0; break; case SS_RETRY: *action_string = "Retrying command (per sense data)"; error = ERESTART; break; case SS_FAIL: *action_string = "Unretryable error"; break; case SS_START: { int le; /* * Send a start unit command to the device, and * then retry the command. */ *action_string = "Attempting to start unit"; periph->flags |= CAM_PERIPH_RECOVERY_INPROG; /* * Check for removable media and set * load/eject flag appropriately. */ if (SID_IS_REMOVABLE(&cgd.inq_data)) le = TRUE; else le = FALSE; scsi_start_stop(&ccb->csio, /*retries*/1, camperiphdone, MSG_SIMPLE_Q_TAG, /*start*/TRUE, /*load/eject*/le, /*immediate*/FALSE, SSD_FULL_SIZE, /*timeout*/50000); break; } case SS_TUR: { /* * Send a Test Unit Ready to the device. * If the 'many' flag is set, we send 120 * test unit ready commands, one every half * second. Otherwise, we just send one TUR. * We only want to do this if the retry * count has not been exhausted. */ int retries; if ((err_action & SSQ_MANY) != 0) { *action_string = "Polling device for readiness"; retries = 120; } else { *action_string = "Testing device for readiness"; retries = 1; } periph->flags |= CAM_PERIPH_RECOVERY_INPROG; scsi_test_unit_ready(&ccb->csio, retries, camperiphdone, MSG_SIMPLE_Q_TAG, SSD_FULL_SIZE, /*timeout*/5000); /* * Accomplish our 500ms delay by deferring * the release of our device queue appropriately. */ *relsim_flags = RELSIM_RELEASE_AFTER_TIMEOUT; *timeout = 500; break; } default: panic("Unhandled error action %x", err_action); } if ((err_action & SS_MASK) >= SS_START) { /* * Drop the priority, so that the recovery * CCB is the first to execute. Freeze the queue * after this command is sent so that we can * restore the old csio and have it queued in * the proper order before we release normal * transactions to the device. */ ccb->ccb_h.pinfo.priority--; ccb->ccb_h.flags |= CAM_DEV_QFREEZE; ccb->ccb_h.saved_ccb_ptr = orig_ccb; error = ERESTART; *orig = orig_ccb; } sense_error_done: *action = err_action; } return (error); } /* * Generic error handler. Peripheral drivers usually filter * out the errors that they handle in a unique mannor, then * call this function. */ int cam_periph_error(union ccb *ccb, cam_flags camflags, u_int32_t sense_flags, union ccb *save_ccb) { struct cam_path *newpath; union ccb *orig_ccb, *scan_ccb; struct cam_periph *periph; const char *action_string; cam_status status; int frozen, error, openings; u_int32_t action, relsim_flags, timeout; action = SSQ_PRINT_SENSE; periph = xpt_path_periph(ccb->ccb_h.path); action_string = NULL; status = ccb->ccb_h.status; frozen = (status & CAM_DEV_QFRZN) != 0; status &= CAM_STATUS_MASK; openings = relsim_flags = timeout = 0; orig_ccb = ccb; switch (status) { case CAM_REQ_CMP: error = 0; action &= ~SSQ_PRINT_SENSE; break; case CAM_SCSI_STATUS_ERROR: error = camperiphscsistatuserror(ccb, &orig_ccb, camflags, sense_flags, &openings, &relsim_flags, &timeout, &action, &action_string); break; case CAM_AUTOSENSE_FAIL: error = EIO; /* we have to kill the command */ break; case CAM_UA_ABORT: case CAM_UA_TERMIO: case CAM_MSG_REJECT_REC: /* XXX Don't know that these are correct */ error = EIO; break; case CAM_SEL_TIMEOUT: if ((camflags & CAM_RETRY_SELTO) != 0) { if (ccb->ccb_h.retry_count > 0 && (periph->flags & CAM_PERIPH_INVALID) == 0) { ccb->ccb_h.retry_count--; error = ERESTART; /* * Wait a bit to give the device * time to recover before we try again. */ relsim_flags = RELSIM_RELEASE_AFTER_TIMEOUT; timeout = periph_selto_delay; break; } action_string = "Retries exhausted"; } /* FALLTHROUGH */ case CAM_DEV_NOT_THERE: error = ENXIO; action = SSQ_LOST; break; case CAM_REQ_INVALID: case CAM_PATH_INVALID: case CAM_NO_HBA: case CAM_PROVIDE_FAIL: case CAM_REQ_TOO_BIG: case CAM_LUN_INVALID: case CAM_TID_INVALID: error = EINVAL; break; case CAM_SCSI_BUS_RESET: case CAM_BDR_SENT: /* * Commands that repeatedly timeout and cause these * kinds of error recovery actions, should return * CAM_CMD_TIMEOUT, which allows us to safely assume * that this command was an innocent bystander to * these events and should be unconditionally * retried. */ case CAM_REQUEUE_REQ: /* Unconditional requeue if device is still there */ if (periph->flags & CAM_PERIPH_INVALID) { action_string = "Periph was invalidated"; error = EIO; } else if (sense_flags & SF_NO_RETRY) { error = EIO; action_string = "Retry was blocked"; } else { error = ERESTART; action &= ~SSQ_PRINT_SENSE; } break; case CAM_RESRC_UNAVAIL: /* Wait a bit for the resource shortage to abate. */ timeout = periph_noresrc_delay; /* FALLTHROUGH */ case CAM_BUSY: if (timeout == 0) { /* Wait a bit for the busy condition to abate. */ timeout = periph_busy_delay; } relsim_flags = RELSIM_RELEASE_AFTER_TIMEOUT; /* FALLTHROUGH */ case CAM_ATA_STATUS_ERROR: case CAM_REQ_CMP_ERR: case CAM_CMD_TIMEOUT: case CAM_UNEXP_BUSFREE: case CAM_UNCOR_PARITY: case CAM_DATA_RUN_ERR: default: if (periph->flags & CAM_PERIPH_INVALID) { error = EIO; action_string = "Periph was invalidated"; } else if (ccb->ccb_h.retry_count == 0) { error = EIO; action_string = "Retries exhausted"; } else if (sense_flags & SF_NO_RETRY) { error = EIO; action_string = "Retry was blocked"; } else { ccb->ccb_h.retry_count--; error = ERESTART; } break; } if ((sense_flags & SF_PRINT_ALWAYS) || CAM_DEBUGGED(ccb->ccb_h.path, CAM_DEBUG_INFO)) action |= SSQ_PRINT_SENSE; else if (sense_flags & SF_NO_PRINT) action &= ~SSQ_PRINT_SENSE; if ((action & SSQ_PRINT_SENSE) != 0) cam_error_print(orig_ccb, CAM_ESF_ALL, CAM_EPF_ALL); if (error != 0 && (action & SSQ_PRINT_SENSE) != 0) { if (error != ERESTART) { if (action_string == NULL) action_string = "Unretryable error"; xpt_print(ccb->ccb_h.path, "Error %d, %s\n", error, action_string); } else if (action_string != NULL) xpt_print(ccb->ccb_h.path, "%s\n", action_string); else xpt_print(ccb->ccb_h.path, "Retrying command\n"); } if ((action & SSQ_LOST) != 0) { lun_id_t lun_id; /* * For a selection timeout, we consider all of the LUNs on * the target to be gone. If the status is CAM_DEV_NOT_THERE, * then we only get rid of the device(s) specified by the * path in the original CCB. */ if (status == CAM_SEL_TIMEOUT) lun_id = CAM_LUN_WILDCARD; else lun_id = xpt_path_lun_id(ccb->ccb_h.path); /* Should we do more if we can't create the path?? */ if (xpt_create_path(&newpath, periph, xpt_path_path_id(ccb->ccb_h.path), xpt_path_target_id(ccb->ccb_h.path), lun_id) == CAM_REQ_CMP) { /* * Let peripheral drivers know that this * device has gone away. */ xpt_async(AC_LOST_DEVICE, newpath, NULL); xpt_free_path(newpath); } } /* Broadcast UNIT ATTENTIONs to all periphs. */ if ((action & SSQ_UA) != 0) xpt_async(AC_UNIT_ATTENTION, orig_ccb->ccb_h.path, orig_ccb); /* Rescan target on "Reported LUNs data has changed" */ if ((action & SSQ_RESCAN) != 0) { if (xpt_create_path(&newpath, NULL, xpt_path_path_id(ccb->ccb_h.path), xpt_path_target_id(ccb->ccb_h.path), CAM_LUN_WILDCARD) == CAM_REQ_CMP) { scan_ccb = xpt_alloc_ccb_nowait(); if (scan_ccb != NULL) { scan_ccb->ccb_h.path = newpath; scan_ccb->ccb_h.func_code = XPT_SCAN_TGT; scan_ccb->crcn.flags = 0; xpt_rescan(scan_ccb); } else xpt_print(newpath, "Can't allocate CCB to rescan target\n"); } } /* Attempt a retry */ if (error == ERESTART || error == 0) { if (frozen != 0) ccb->ccb_h.status &= ~CAM_DEV_QFRZN; if (error == ERESTART) xpt_action(ccb); if (frozen != 0) cam_release_devq(ccb->ccb_h.path, relsim_flags, openings, timeout, /*getcount_only*/0); } return (error); } Index: stable/9/sys/cam/cam_periph.h =================================================================== --- stable/9/sys/cam/cam_periph.h (revision 257049) +++ stable/9/sys/cam/cam_periph.h (revision 257050) @@ -1,250 +1,251 @@ /*- * Data structures and definitions for CAM peripheral ("type") drivers. * * Copyright (c) 1997, 1998 Justin T. Gibbs. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _CAM_CAM_PERIPH_H #define _CAM_CAM_PERIPH_H 1 #include #include #ifdef _KERNEL #include struct devstat; extern struct cam_periph *xpt_periph; extern struct periph_driver **periph_drivers; void periphdriver_register(void *); void periphdriver_init(int level); #include #define PERIPHDRIVER_DECLARE(name, driver) \ static int name ## _modevent(module_t mod, int type, void *data) \ { \ switch (type) { \ case MOD_LOAD: \ periphdriver_register(data); \ break; \ case MOD_UNLOAD: \ printf(#name " module unload - not possible for this module type\n"); \ return EINVAL; \ default: \ return EOPNOTSUPP; \ } \ return 0; \ } \ static moduledata_t name ## _mod = { \ #name, \ name ## _modevent, \ (void *)&driver \ }; \ DECLARE_MODULE(name, name ## _mod, SI_SUB_DRIVERS, SI_ORDER_ANY); \ MODULE_DEPEND(name, cam, 1, 1, 1) typedef void (periph_init_t)(void); /* * Callback informing the peripheral driver * it can perform it's initialization since * the XPT is now fully initialized. */ typedef periph_init_t *periph_init_func_t; struct periph_driver { periph_init_func_t init; char *driver_name; TAILQ_HEAD(,cam_periph) units; u_int generation; u_int flags; #define CAM_PERIPH_DRV_EARLY 0x01 }; typedef enum { CAM_PERIPH_BIO } cam_periph_type; /* Generically usefull offsets into the peripheral private area */ #define ppriv_ptr0 periph_priv.entries[0].ptr #define ppriv_ptr1 periph_priv.entries[1].ptr #define ppriv_field0 periph_priv.entries[0].field #define ppriv_field1 periph_priv.entries[1].field typedef void periph_start_t (struct cam_periph *periph, union ccb *start_ccb); typedef cam_status periph_ctor_t (struct cam_periph *periph, void *arg); typedef void periph_oninv_t (struct cam_periph *periph); typedef void periph_dtor_t (struct cam_periph *periph); struct cam_periph { cam_pinfo pinfo; periph_start_t *periph_start; periph_oninv_t *periph_oninval; periph_dtor_t *periph_dtor; char *periph_name; struct cam_path *path; /* Compiled path to device */ void *softc; struct cam_sim *sim; u_int32_t unit_number; cam_periph_type type; u_int32_t flags; #define CAM_PERIPH_RUNNING 0x01 #define CAM_PERIPH_LOCKED 0x02 #define CAM_PERIPH_LOCK_WANTED 0x04 #define CAM_PERIPH_INVALID 0x08 #define CAM_PERIPH_NEW_DEV_FOUND 0x10 #define CAM_PERIPH_RECOVERY_INPROG 0x20 #define CAM_PERIPH_FREE 0x80 +#define CAM_PERIPH_ANNOUNCED 0x100 u_int32_t immediate_priority; u_int32_t refcount; SLIST_HEAD(, ccb_hdr) ccb_list; /* For "immediate" requests */ SLIST_ENTRY(cam_periph) periph_links; TAILQ_ENTRY(cam_periph) unit_links; ac_callback_t *deferred_callback; ac_code deferred_ac; }; #define CAM_PERIPH_MAXMAPS 2 struct cam_periph_map_info { int num_bufs_used; struct buf *bp[CAM_PERIPH_MAXMAPS]; }; cam_status cam_periph_alloc(periph_ctor_t *periph_ctor, periph_oninv_t *periph_oninvalidate, periph_dtor_t *periph_dtor, periph_start_t *periph_start, char *name, cam_periph_type type, struct cam_path *, ac_callback_t *, ac_code, void *arg); struct cam_periph *cam_periph_find(struct cam_path *path, char *name); int cam_periph_list(struct cam_path *, struct sbuf *); cam_status cam_periph_acquire(struct cam_periph *periph); void cam_periph_release(struct cam_periph *periph); void cam_periph_release_locked(struct cam_periph *periph); void cam_periph_release_locked_buses(struct cam_periph *periph); int cam_periph_hold(struct cam_periph *periph, int priority); void cam_periph_unhold(struct cam_periph *periph); void cam_periph_invalidate(struct cam_periph *periph); int cam_periph_mapmem(union ccb *ccb, struct cam_periph_map_info *mapinfo); void cam_periph_unmapmem(union ccb *ccb, struct cam_periph_map_info *mapinfo); union ccb *cam_periph_getccb(struct cam_periph *periph, u_int32_t priority); void cam_periph_ccbwait(union ccb *ccb); int cam_periph_runccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, cam_flags camflags, u_int32_t sense_flags), cam_flags camflags, u_int32_t sense_flags, struct devstat *ds); int cam_periph_ioctl(struct cam_periph *periph, u_long cmd, caddr_t addr, int (*error_routine)(union ccb *ccb, cam_flags camflags, u_int32_t sense_flags)); void cam_freeze_devq(struct cam_path *path); u_int32_t cam_release_devq(struct cam_path *path, u_int32_t relsim_flags, u_int32_t opening_reduction, u_int32_t arg, int getcount_only); void cam_periph_async(struct cam_periph *periph, u_int32_t code, struct cam_path *path, void *arg); void cam_periph_bus_settle(struct cam_periph *periph, u_int bus_settle_ms); void cam_periph_freeze_after_event(struct cam_periph *periph, struct timeval* event_time, u_int duration_ms); int cam_periph_error(union ccb *ccb, cam_flags camflags, u_int32_t sense_flags, union ccb *save_ccb); static __inline void cam_periph_lock(struct cam_periph *periph) { mtx_lock(periph->sim->mtx); } static __inline void cam_periph_unlock(struct cam_periph *periph) { mtx_unlock(periph->sim->mtx); } static __inline int cam_periph_owned(struct cam_periph *periph) { return (mtx_owned(periph->sim->mtx)); } static __inline int cam_periph_sleep(struct cam_periph *periph, void *chan, int priority, const char *wmesg, int timo) { return (msleep(chan, periph->sim->mtx, priority, wmesg, timo)); } static inline struct cam_periph * cam_periph_acquire_first(struct periph_driver *driver) { struct cam_periph *periph; xpt_lock_buses(); periph = TAILQ_FIRST(&driver->units); while (periph != NULL && (periph->flags & CAM_PERIPH_INVALID) != 0) periph = TAILQ_NEXT(periph, unit_links); if (periph != NULL) periph->refcount++; xpt_unlock_buses(); return (periph); } static inline struct cam_periph * cam_periph_acquire_next(struct cam_periph *pperiph) { struct cam_periph *periph = pperiph; mtx_assert(pperiph->sim->mtx, MA_NOTOWNED); xpt_lock_buses(); do { periph = TAILQ_NEXT(periph, unit_links); } while (periph != NULL && (periph->flags & CAM_PERIPH_INVALID) != 0); if (periph != NULL) periph->refcount++; xpt_unlock_buses(); cam_periph_release(pperiph); return (periph); } #define CAM_PERIPH_FOREACH(periph, driver) \ for ((periph) = cam_periph_acquire_first(driver); \ (periph) != NULL; \ (periph) = cam_periph_acquire_next(periph)) #endif /* _KERNEL */ #endif /* _CAM_CAM_PERIPH_H */ Index: stable/9/sys/cam/cam_xpt.c =================================================================== --- stable/9/sys/cam/cam_xpt.c (revision 257049) +++ stable/9/sys/cam/cam_xpt.c (revision 257050) @@ -1,5092 +1,5124 @@ /*- * Implementation of the Common Access Method Transport (XPT) layer. * * Copyright (c) 1997, 1998, 1999 Justin T. Gibbs. * Copyright (c) 1997, 1998, 1999 Kenneth D. Merry. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* geometry translation */ #include /* for xpt_print below */ #include "opt_cam.h" /* * This is the maximum number of high powered commands (e.g. start unit) * that can be outstanding at a particular time. */ #ifndef CAM_MAX_HIGHPOWER #define CAM_MAX_HIGHPOWER 4 #endif /* Datastructures internal to the xpt layer */ MALLOC_DEFINE(M_CAMXPT, "CAM XPT", "CAM XPT buffers"); MALLOC_DEFINE(M_CAMDEV, "CAM DEV", "CAM devices"); MALLOC_DEFINE(M_CAMCCB, "CAM CCB", "CAM CCBs"); MALLOC_DEFINE(M_CAMPATH, "CAM path", "CAM paths"); /* Object for defering XPT actions to a taskqueue */ struct xpt_task { struct task task; void *data1; uintptr_t data2; }; typedef enum { XPT_FLAG_OPEN = 0x01 } xpt_flags; struct xpt_softc { xpt_flags flags; /* number of high powered commands that can go through right now */ STAILQ_HEAD(highpowerlist, cam_ed) highpowerq; int num_highpower; /* queue for handling async rescan requests. */ TAILQ_HEAD(, ccb_hdr) ccb_scanq; int buses_to_config; int buses_config_done; /* Registered busses */ TAILQ_HEAD(,cam_eb) xpt_busses; u_int bus_generation; struct intr_config_hook *xpt_config_hook; int boot_delay; struct callout boot_callout; struct mtx xpt_topo_lock; struct mtx xpt_lock; }; typedef enum { DM_RET_COPY = 0x01, DM_RET_FLAG_MASK = 0x0f, DM_RET_NONE = 0x00, DM_RET_STOP = 0x10, DM_RET_DESCEND = 0x20, DM_RET_ERROR = 0x30, DM_RET_ACTION_MASK = 0xf0 } dev_match_ret; typedef enum { XPT_DEPTH_BUS, XPT_DEPTH_TARGET, XPT_DEPTH_DEVICE, XPT_DEPTH_PERIPH } xpt_traverse_depth; struct xpt_traverse_config { xpt_traverse_depth depth; void *tr_func; void *tr_arg; }; typedef int xpt_busfunc_t (struct cam_eb *bus, void *arg); typedef int xpt_targetfunc_t (struct cam_et *target, void *arg); typedef int xpt_devicefunc_t (struct cam_ed *device, void *arg); typedef int xpt_periphfunc_t (struct cam_periph *periph, void *arg); typedef int xpt_pdrvfunc_t (struct periph_driver **pdrv, void *arg); /* Transport layer configuration information */ static struct xpt_softc xsoftc; TUNABLE_INT("kern.cam.boot_delay", &xsoftc.boot_delay); SYSCTL_INT(_kern_cam, OID_AUTO, boot_delay, CTLFLAG_RDTUN, &xsoftc.boot_delay, 0, "Bus registration wait time"); /* Queues for our software interrupt handler */ typedef TAILQ_HEAD(cam_isrq, ccb_hdr) cam_isrq_t; typedef TAILQ_HEAD(cam_simq, cam_sim) cam_simq_t; static cam_simq_t cam_simq; static struct mtx cam_simq_lock; /* Pointers to software interrupt handlers */ static void *cambio_ih; struct cam_periph *xpt_periph; static periph_init_t xpt_periph_init; static struct periph_driver xpt_driver = { xpt_periph_init, "xpt", TAILQ_HEAD_INITIALIZER(xpt_driver.units), /* generation */ 0, CAM_PERIPH_DRV_EARLY }; PERIPHDRIVER_DECLARE(xpt, xpt_driver); static d_open_t xptopen; static d_close_t xptclose; static d_ioctl_t xptioctl; static d_ioctl_t xptdoioctl; static struct cdevsw xpt_cdevsw = { .d_version = D_VERSION, .d_flags = 0, .d_open = xptopen, .d_close = xptclose, .d_ioctl = xptioctl, .d_name = "xpt", }; /* Storage for debugging datastructures */ struct cam_path *cam_dpath; u_int32_t cam_dflags = CAM_DEBUG_FLAGS; TUNABLE_INT("kern.cam.dflags", &cam_dflags); SYSCTL_UINT(_kern_cam, OID_AUTO, dflags, CTLFLAG_RW, &cam_dflags, 0, "Enabled debug flags"); u_int32_t cam_debug_delay = CAM_DEBUG_DELAY; TUNABLE_INT("kern.cam.debug_delay", &cam_debug_delay); SYSCTL_UINT(_kern_cam, OID_AUTO, debug_delay, CTLFLAG_RW, &cam_debug_delay, 0, "Delay in us after each debug message"); /* Our boot-time initialization hook */ static int cam_module_event_handler(module_t, int /*modeventtype_t*/, void *); static moduledata_t cam_moduledata = { "cam", cam_module_event_handler, NULL }; static int xpt_init(void *); DECLARE_MODULE(cam, cam_moduledata, SI_SUB_CONFIGURE, SI_ORDER_SECOND); MODULE_VERSION(cam, 1); static void xpt_async_bcast(struct async_list *async_head, u_int32_t async_code, struct cam_path *path, void *async_arg); static path_id_t xptnextfreepathid(void); static path_id_t xptpathid(const char *sim_name, int sim_unit, int sim_bus); static union ccb *xpt_get_ccb(struct cam_ed *device); static void xpt_run_dev_allocq(struct cam_ed *device); static void xpt_run_devq(struct cam_devq *devq); static timeout_t xpt_release_devq_timeout; static void xpt_release_simq_timeout(void *arg) __unused; static void xpt_release_bus(struct cam_eb *bus); static void xpt_release_devq_device(struct cam_ed *dev, u_int count, int run_queue); static struct cam_et* xpt_alloc_target(struct cam_eb *bus, target_id_t target_id); static void xpt_release_target(struct cam_et *target); static struct cam_eb* xpt_find_bus(path_id_t path_id); static struct cam_et* xpt_find_target(struct cam_eb *bus, target_id_t target_id); static struct cam_ed* xpt_find_device(struct cam_et *target, lun_id_t lun_id); static void xpt_config(void *arg); static xpt_devicefunc_t xptpassannouncefunc; static void xptaction(struct cam_sim *sim, union ccb *work_ccb); static void xptpoll(struct cam_sim *sim); static void camisr(void *); static void camisr_runqueue(struct cam_sim *); static dev_match_ret xptbusmatch(struct dev_match_pattern *patterns, u_int num_patterns, struct cam_eb *bus); static dev_match_ret xptdevicematch(struct dev_match_pattern *patterns, u_int num_patterns, struct cam_ed *device); static dev_match_ret xptperiphmatch(struct dev_match_pattern *patterns, u_int num_patterns, struct cam_periph *periph); static xpt_busfunc_t xptedtbusfunc; static xpt_targetfunc_t xptedttargetfunc; static xpt_devicefunc_t xptedtdevicefunc; static xpt_periphfunc_t xptedtperiphfunc; static xpt_pdrvfunc_t xptplistpdrvfunc; static xpt_periphfunc_t xptplistperiphfunc; static int xptedtmatch(struct ccb_dev_match *cdm); static int xptperiphlistmatch(struct ccb_dev_match *cdm); static int xptbustraverse(struct cam_eb *start_bus, xpt_busfunc_t *tr_func, void *arg); static int xpttargettraverse(struct cam_eb *bus, struct cam_et *start_target, xpt_targetfunc_t *tr_func, void *arg); static int xptdevicetraverse(struct cam_et *target, struct cam_ed *start_device, xpt_devicefunc_t *tr_func, void *arg); static int xptperiphtraverse(struct cam_ed *device, struct cam_periph *start_periph, xpt_periphfunc_t *tr_func, void *arg); static int xptpdrvtraverse(struct periph_driver **start_pdrv, xpt_pdrvfunc_t *tr_func, void *arg); static int xptpdperiphtraverse(struct periph_driver **pdrv, struct cam_periph *start_periph, xpt_periphfunc_t *tr_func, void *arg); static xpt_busfunc_t xptdefbusfunc; static xpt_targetfunc_t xptdeftargetfunc; static xpt_devicefunc_t xptdefdevicefunc; static xpt_periphfunc_t xptdefperiphfunc; static void xpt_finishconfig_task(void *context, int pending); static void xpt_dev_async_default(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, struct cam_ed *device, void *async_arg); static struct cam_ed * xpt_alloc_device_default(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id); static xpt_devicefunc_t xptsetasyncfunc; static xpt_busfunc_t xptsetasyncbusfunc; static cam_status xptregister(struct cam_periph *periph, void *arg); static __inline int periph_is_queued(struct cam_periph *periph); static __inline int device_is_queued(struct cam_ed *device); static __inline int xpt_schedule_devq(struct cam_devq *devq, struct cam_ed *dev) { int retval; if ((dev->ccbq.queue.entries > 0) && (dev->ccbq.dev_openings > 0) && (dev->ccbq.queue.qfrozen_cnt == 0)) { /* * The priority of a device waiting for controller * resources is that of the highest priority CCB * enqueued. */ retval = xpt_schedule_dev(&devq->send_queue, &dev->devq_entry.pinfo, CAMQ_GET_PRIO(&dev->ccbq.queue)); } else { retval = 0; } return (retval); } static __inline int periph_is_queued(struct cam_periph *periph) { return (periph->pinfo.index != CAM_UNQUEUED_INDEX); } static __inline int device_is_queued(struct cam_ed *device) { return (device->devq_entry.pinfo.index != CAM_UNQUEUED_INDEX); } static void xpt_periph_init() { make_dev(&xpt_cdevsw, 0, UID_ROOT, GID_OPERATOR, 0600, "xpt0"); } static void xptdone(struct cam_periph *periph, union ccb *done_ccb) { /* Caller will release the CCB */ wakeup(&done_ccb->ccb_h.cbfcnp); } static int xptopen(struct cdev *dev, int flags, int fmt, struct thread *td) { /* * Only allow read-write access. */ if (((flags & FWRITE) == 0) || ((flags & FREAD) == 0)) return(EPERM); /* * We don't allow nonblocking access. */ if ((flags & O_NONBLOCK) != 0) { printf("%s: can't do nonblocking access\n", devtoname(dev)); return(ENODEV); } /* Mark ourselves open */ mtx_lock(&xsoftc.xpt_lock); xsoftc.flags |= XPT_FLAG_OPEN; mtx_unlock(&xsoftc.xpt_lock); return(0); } static int xptclose(struct cdev *dev, int flag, int fmt, struct thread *td) { /* Mark ourselves closed */ mtx_lock(&xsoftc.xpt_lock); xsoftc.flags &= ~XPT_FLAG_OPEN; mtx_unlock(&xsoftc.xpt_lock); return(0); } /* * Don't automatically grab the xpt softc lock here even though this is going * through the xpt device. The xpt device is really just a back door for * accessing other devices and SIMs, so the right thing to do is to grab * the appropriate SIM lock once the bus/SIM is located. */ static int xptioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, struct thread *td) { int error; if ((error = xptdoioctl(dev, cmd, addr, flag, td)) == ENOTTY) { error = cam_compat_ioctl(dev, &cmd, &addr, &flag, td); if (error == EAGAIN) return (xptdoioctl(dev, cmd, addr, flag, td)); } return (error); } static int xptdoioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, struct thread *td) { int error; error = 0; switch(cmd) { /* * For the transport layer CAMIOCOMMAND ioctl, we really only want * to accept CCB types that don't quite make sense to send through a * passthrough driver. XPT_PATH_INQ is an exception to this, as stated * in the CAM spec. */ case CAMIOCOMMAND: { union ccb *ccb; union ccb *inccb; struct cam_eb *bus; inccb = (union ccb *)addr; bus = xpt_find_bus(inccb->ccb_h.path_id); if (bus == NULL) return (EINVAL); switch (inccb->ccb_h.func_code) { case XPT_SCAN_BUS: case XPT_RESET_BUS: if (inccb->ccb_h.target_id != CAM_TARGET_WILDCARD || inccb->ccb_h.target_lun != CAM_LUN_WILDCARD) { xpt_release_bus(bus); return (EINVAL); } break; case XPT_SCAN_TGT: if (inccb->ccb_h.target_id == CAM_TARGET_WILDCARD || inccb->ccb_h.target_lun != CAM_LUN_WILDCARD) { xpt_release_bus(bus); return (EINVAL); } break; default: break; } switch(inccb->ccb_h.func_code) { case XPT_SCAN_BUS: case XPT_RESET_BUS: case XPT_PATH_INQ: case XPT_ENG_INQ: case XPT_SCAN_LUN: case XPT_SCAN_TGT: ccb = xpt_alloc_ccb(); CAM_SIM_LOCK(bus->sim); /* * Create a path using the bus, target, and lun the * user passed in. */ if (xpt_create_path(&ccb->ccb_h.path, NULL, inccb->ccb_h.path_id, inccb->ccb_h.target_id, inccb->ccb_h.target_lun) != CAM_REQ_CMP){ error = EINVAL; CAM_SIM_UNLOCK(bus->sim); xpt_free_ccb(ccb); break; } /* Ensure all of our fields are correct */ xpt_setup_ccb(&ccb->ccb_h, ccb->ccb_h.path, inccb->ccb_h.pinfo.priority); xpt_merge_ccb(ccb, inccb); ccb->ccb_h.cbfcnp = xptdone; cam_periph_runccb(ccb, NULL, 0, 0, NULL); bcopy(ccb, inccb, sizeof(union ccb)); xpt_free_path(ccb->ccb_h.path); xpt_free_ccb(ccb); CAM_SIM_UNLOCK(bus->sim); break; case XPT_DEBUG: { union ccb ccb; /* * This is an immediate CCB, so it's okay to * allocate it on the stack. */ CAM_SIM_LOCK(bus->sim); /* * Create a path using the bus, target, and lun the * user passed in. */ if (xpt_create_path(&ccb.ccb_h.path, NULL, inccb->ccb_h.path_id, inccb->ccb_h.target_id, inccb->ccb_h.target_lun) != CAM_REQ_CMP){ error = EINVAL; CAM_SIM_UNLOCK(bus->sim); break; } /* Ensure all of our fields are correct */ xpt_setup_ccb(&ccb.ccb_h, ccb.ccb_h.path, inccb->ccb_h.pinfo.priority); xpt_merge_ccb(&ccb, inccb); ccb.ccb_h.cbfcnp = xptdone; xpt_action(&ccb); bcopy(&ccb, inccb, sizeof(union ccb)); xpt_free_path(ccb.ccb_h.path); CAM_SIM_UNLOCK(bus->sim); break; } case XPT_DEV_MATCH: { struct cam_periph_map_info mapinfo; struct cam_path *old_path; /* * We can't deal with physical addresses for this * type of transaction. */ if ((inccb->ccb_h.flags & CAM_DATA_MASK) != CAM_DATA_VADDR) { error = EINVAL; break; } /* * Save this in case the caller had it set to * something in particular. */ old_path = inccb->ccb_h.path; /* * We really don't need a path for the matching * code. The path is needed because of the * debugging statements in xpt_action(). They * assume that the CCB has a valid path. */ inccb->ccb_h.path = xpt_periph->path; bzero(&mapinfo, sizeof(mapinfo)); /* * Map the pattern and match buffers into kernel * virtual address space. */ error = cam_periph_mapmem(inccb, &mapinfo); if (error) { inccb->ccb_h.path = old_path; break; } /* * This is an immediate CCB, we can send it on directly. */ CAM_SIM_LOCK(xpt_path_sim(xpt_periph->path)); xpt_action(inccb); CAM_SIM_UNLOCK(xpt_path_sim(xpt_periph->path)); /* * Map the buffers back into user space. */ cam_periph_unmapmem(inccb, &mapinfo); inccb->ccb_h.path = old_path; error = 0; break; } default: error = ENOTSUP; break; } xpt_release_bus(bus); break; } /* * This is the getpassthru ioctl. It takes a XPT_GDEVLIST ccb as input, * with the periphal driver name and unit name filled in. The other * fields don't really matter as input. The passthrough driver name * ("pass"), and unit number are passed back in the ccb. The current * device generation number, and the index into the device peripheral * driver list, and the status are also passed back. Note that * since we do everything in one pass, unlike the XPT_GDEVLIST ccb, * we never return a status of CAM_GDEVLIST_LIST_CHANGED. It is * (or rather should be) impossible for the device peripheral driver * list to change since we look at the whole thing in one pass, and * we do it with lock protection. * */ case CAMGETPASSTHRU: { union ccb *ccb; struct cam_periph *periph; struct periph_driver **p_drv; char *name; u_int unit; int base_periph_found; ccb = (union ccb *)addr; unit = ccb->cgdl.unit_number; name = ccb->cgdl.periph_name; base_periph_found = 0; /* * Sanity check -- make sure we don't get a null peripheral * driver name. */ if (*ccb->cgdl.periph_name == '\0') { error = EINVAL; break; } /* Keep the list from changing while we traverse it */ xpt_lock_buses(); /* first find our driver in the list of drivers */ for (p_drv = periph_drivers; *p_drv != NULL; p_drv++) if (strcmp((*p_drv)->driver_name, name) == 0) break; if (*p_drv == NULL) { xpt_unlock_buses(); ccb->ccb_h.status = CAM_REQ_CMP_ERR; ccb->cgdl.status = CAM_GDEVLIST_ERROR; *ccb->cgdl.periph_name = '\0'; ccb->cgdl.unit_number = 0; error = ENOENT; break; } /* * Run through every peripheral instance of this driver * and check to see whether it matches the unit passed * in by the user. If it does, get out of the loops and * find the passthrough driver associated with that * peripheral driver. */ for (periph = TAILQ_FIRST(&(*p_drv)->units); periph != NULL; periph = TAILQ_NEXT(periph, unit_links)) { if (periph->unit_number == unit) break; } /* * If we found the peripheral driver that the user passed * in, go through all of the peripheral drivers for that * particular device and look for a passthrough driver. */ if (periph != NULL) { struct cam_ed *device; int i; base_periph_found = 1; device = periph->path->device; for (i = 0, periph = SLIST_FIRST(&device->periphs); periph != NULL; periph = SLIST_NEXT(periph, periph_links), i++) { /* * Check to see whether we have a * passthrough device or not. */ if (strcmp(periph->periph_name, "pass") == 0) { /* * Fill in the getdevlist fields. */ strcpy(ccb->cgdl.periph_name, periph->periph_name); ccb->cgdl.unit_number = periph->unit_number; if (SLIST_NEXT(periph, periph_links)) ccb->cgdl.status = CAM_GDEVLIST_MORE_DEVS; else ccb->cgdl.status = CAM_GDEVLIST_LAST_DEVICE; ccb->cgdl.generation = device->generation; ccb->cgdl.index = i; /* * Fill in some CCB header fields * that the user may want. */ ccb->ccb_h.path_id = periph->path->bus->path_id; ccb->ccb_h.target_id = periph->path->target->target_id; ccb->ccb_h.target_lun = periph->path->device->lun_id; ccb->ccb_h.status = CAM_REQ_CMP; break; } } } /* * If the periph is null here, one of two things has * happened. The first possibility is that we couldn't * find the unit number of the particular peripheral driver * that the user is asking about. e.g. the user asks for * the passthrough driver for "da11". We find the list of * "da" peripherals all right, but there is no unit 11. * The other possibility is that we went through the list * of peripheral drivers attached to the device structure, * but didn't find one with the name "pass". Either way, * we return ENOENT, since we couldn't find something. */ if (periph == NULL) { ccb->ccb_h.status = CAM_REQ_CMP_ERR; ccb->cgdl.status = CAM_GDEVLIST_ERROR; *ccb->cgdl.periph_name = '\0'; ccb->cgdl.unit_number = 0; error = ENOENT; /* * It is unfortunate that this is even necessary, * but there are many, many clueless users out there. * If this is true, the user is looking for the * passthrough driver, but doesn't have one in his * kernel. */ if (base_periph_found == 1) { printf("xptioctl: pass driver is not in the " "kernel\n"); printf("xptioctl: put \"device pass\" in " "your kernel config file\n"); } } xpt_unlock_buses(); break; } default: error = ENOTTY; break; } return(error); } static int cam_module_event_handler(module_t mod, int what, void *arg) { int error; switch (what) { case MOD_LOAD: if ((error = xpt_init(NULL)) != 0) return (error); break; case MOD_UNLOAD: return EBUSY; default: return EOPNOTSUPP; } return 0; } static void xpt_rescan_done(struct cam_periph *periph, union ccb *done_ccb) { if (done_ccb->ccb_h.ppriv_ptr1 == NULL) { xpt_free_path(done_ccb->ccb_h.path); xpt_free_ccb(done_ccb); } else { done_ccb->ccb_h.cbfcnp = done_ccb->ccb_h.ppriv_ptr1; (*done_ccb->ccb_h.cbfcnp)(periph, done_ccb); } xpt_release_boot(); } /* thread to handle bus rescans */ static void xpt_scanner_thread(void *dummy) { union ccb *ccb; struct cam_sim *sim; xpt_lock_buses(); for (;;) { if (TAILQ_EMPTY(&xsoftc.ccb_scanq)) msleep(&xsoftc.ccb_scanq, &xsoftc.xpt_topo_lock, PRIBIO, "ccb_scanq", 0); if ((ccb = (union ccb *)TAILQ_FIRST(&xsoftc.ccb_scanq)) != NULL) { TAILQ_REMOVE(&xsoftc.ccb_scanq, &ccb->ccb_h, sim_links.tqe); xpt_unlock_buses(); sim = ccb->ccb_h.path->bus->sim; CAM_SIM_LOCK(sim); xpt_action(ccb); CAM_SIM_UNLOCK(sim); xpt_lock_buses(); } } } void xpt_rescan(union ccb *ccb) { struct ccb_hdr *hdr; /* Prepare request */ if (ccb->ccb_h.path->target->target_id == CAM_TARGET_WILDCARD && ccb->ccb_h.path->device->lun_id == CAM_LUN_WILDCARD) ccb->ccb_h.func_code = XPT_SCAN_BUS; else if (ccb->ccb_h.path->target->target_id != CAM_TARGET_WILDCARD && ccb->ccb_h.path->device->lun_id == CAM_LUN_WILDCARD) ccb->ccb_h.func_code = XPT_SCAN_TGT; else if (ccb->ccb_h.path->target->target_id != CAM_TARGET_WILDCARD && ccb->ccb_h.path->device->lun_id != CAM_LUN_WILDCARD) ccb->ccb_h.func_code = XPT_SCAN_LUN; else { xpt_print(ccb->ccb_h.path, "illegal scan path\n"); xpt_free_path(ccb->ccb_h.path); xpt_free_ccb(ccb); return; } ccb->ccb_h.ppriv_ptr1 = ccb->ccb_h.cbfcnp; ccb->ccb_h.cbfcnp = xpt_rescan_done; xpt_setup_ccb(&ccb->ccb_h, ccb->ccb_h.path, CAM_PRIORITY_XPT); /* Don't make duplicate entries for the same paths. */ xpt_lock_buses(); if (ccb->ccb_h.ppriv_ptr1 == NULL) { TAILQ_FOREACH(hdr, &xsoftc.ccb_scanq, sim_links.tqe) { if (xpt_path_comp(hdr->path, ccb->ccb_h.path) == 0) { wakeup(&xsoftc.ccb_scanq); xpt_unlock_buses(); xpt_print(ccb->ccb_h.path, "rescan already queued\n"); xpt_free_path(ccb->ccb_h.path); xpt_free_ccb(ccb); return; } } } TAILQ_INSERT_TAIL(&xsoftc.ccb_scanq, &ccb->ccb_h, sim_links.tqe); xsoftc.buses_to_config++; wakeup(&xsoftc.ccb_scanq); xpt_unlock_buses(); } /* Functions accessed by the peripheral drivers */ static int xpt_init(void *dummy) { struct cam_sim *xpt_sim; struct cam_path *path; struct cam_devq *devq; cam_status status; TAILQ_INIT(&xsoftc.xpt_busses); TAILQ_INIT(&cam_simq); TAILQ_INIT(&xsoftc.ccb_scanq); STAILQ_INIT(&xsoftc.highpowerq); xsoftc.num_highpower = CAM_MAX_HIGHPOWER; mtx_init(&cam_simq_lock, "CAM SIMQ lock", NULL, MTX_DEF); mtx_init(&xsoftc.xpt_lock, "XPT lock", NULL, MTX_DEF); mtx_init(&xsoftc.xpt_topo_lock, "XPT topology lock", NULL, MTX_DEF); #ifdef CAM_BOOT_DELAY /* * Override this value at compile time to assist our users * who don't use loader to boot a kernel. */ xsoftc.boot_delay = CAM_BOOT_DELAY; #endif /* * The xpt layer is, itself, the equivelent of a SIM. * Allow 16 ccbs in the ccb pool for it. This should * give decent parallelism when we probe busses and * perform other XPT functions. */ devq = cam_simq_alloc(16); xpt_sim = cam_sim_alloc(xptaction, xptpoll, "xpt", /*softc*/NULL, /*unit*/0, /*mtx*/&xsoftc.xpt_lock, /*max_dev_transactions*/0, /*max_tagged_dev_transactions*/0, devq); if (xpt_sim == NULL) return (ENOMEM); mtx_lock(&xsoftc.xpt_lock); if ((status = xpt_bus_register(xpt_sim, NULL, 0)) != CAM_SUCCESS) { mtx_unlock(&xsoftc.xpt_lock); printf("xpt_init: xpt_bus_register failed with status %#x," " failing attach\n", status); return (EINVAL); } /* * Looking at the XPT from the SIM layer, the XPT is * the equivelent of a peripheral driver. Allocate * a peripheral driver entry for us. */ if ((status = xpt_create_path(&path, NULL, CAM_XPT_PATH_ID, CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD)) != CAM_REQ_CMP) { mtx_unlock(&xsoftc.xpt_lock); printf("xpt_init: xpt_create_path failed with status %#x," " failing attach\n", status); return (EINVAL); } cam_periph_alloc(xptregister, NULL, NULL, NULL, "xpt", CAM_PERIPH_BIO, path, NULL, 0, xpt_sim); xpt_free_path(path); mtx_unlock(&xsoftc.xpt_lock); /* Install our software interrupt handlers */ swi_add(NULL, "cambio", camisr, NULL, SWI_CAMBIO, INTR_MPSAFE, &cambio_ih); /* * Register a callback for when interrupts are enabled. */ xsoftc.xpt_config_hook = (struct intr_config_hook *)malloc(sizeof(struct intr_config_hook), M_CAMXPT, M_NOWAIT | M_ZERO); if (xsoftc.xpt_config_hook == NULL) { printf("xpt_init: Cannot malloc config hook " "- failing attach\n"); return (ENOMEM); } xsoftc.xpt_config_hook->ich_func = xpt_config; if (config_intrhook_establish(xsoftc.xpt_config_hook) != 0) { free (xsoftc.xpt_config_hook, M_CAMXPT); printf("xpt_init: config_intrhook_establish failed " "- failing attach\n"); } return (0); } static cam_status xptregister(struct cam_periph *periph, void *arg) { struct cam_sim *xpt_sim; if (periph == NULL) { printf("xptregister: periph was NULL!!\n"); return(CAM_REQ_CMP_ERR); } xpt_sim = (struct cam_sim *)arg; xpt_sim->softc = periph; xpt_periph = periph; periph->softc = NULL; return(CAM_REQ_CMP); } int32_t xpt_add_periph(struct cam_periph *periph) { struct cam_ed *device; int32_t status; struct periph_list *periph_head; mtx_assert(periph->sim->mtx, MA_OWNED); device = periph->path->device; periph_head = &device->periphs; status = CAM_REQ_CMP; if (device != NULL) { /* * Make room for this peripheral * so it will fit in the queue * when it's scheduled to run */ status = camq_resize(&device->drvq, device->drvq.array_size + 1); device->generation++; SLIST_INSERT_HEAD(periph_head, periph, periph_links); } return (status); } void xpt_remove_periph(struct cam_periph *periph) { struct cam_ed *device; mtx_assert(periph->sim->mtx, MA_OWNED); device = periph->path->device; if (device != NULL) { struct periph_list *periph_head; periph_head = &device->periphs; /* Release the slot for this peripheral */ camq_resize(&device->drvq, device->drvq.array_size - 1); device->generation++; SLIST_REMOVE(periph_head, periph, cam_periph, periph_links); } } void xpt_announce_periph(struct cam_periph *periph, char *announce_string) { struct cam_path *path = periph->path; mtx_assert(periph->sim->mtx, MA_OWNED); + periph->flags |= CAM_PERIPH_ANNOUNCED; printf("%s%d at %s%d bus %d scbus%d target %d lun %d\n", periph->periph_name, periph->unit_number, path->bus->sim->sim_name, path->bus->sim->unit_number, path->bus->sim->bus_id, path->bus->path_id, path->target->target_id, path->device->lun_id); printf("%s%d: ", periph->periph_name, periph->unit_number); if (path->device->protocol == PROTO_SCSI) scsi_print_inquiry(&path->device->inq_data); else if (path->device->protocol == PROTO_ATA || path->device->protocol == PROTO_SATAPM) ata_print_ident(&path->device->ident_data); else if (path->device->protocol == PROTO_SEMB) semb_print_ident( (struct sep_identify_data *)&path->device->ident_data); else printf("Unknown protocol device\n"); if (path->device->serial_num_len > 0) { /* Don't wrap the screen - print only the first 60 chars */ printf("%s%d: Serial Number %.60s\n", periph->periph_name, periph->unit_number, path->device->serial_num); } /* Announce transport details. */ (*(path->bus->xport->announce))(periph); /* Announce command queueing. */ if (path->device->inq_flags & SID_CmdQue || path->device->flags & CAM_DEV_TAG_AFTER_COUNT) { printf("%s%d: Command Queueing enabled\n", periph->periph_name, periph->unit_number); } /* Announce caller's details if they've passed in. */ if (announce_string != NULL) printf("%s%d: %s\n", periph->periph_name, periph->unit_number, announce_string); } void xpt_announce_quirks(struct cam_periph *periph, int quirks, char *bit_string) { if (quirks != 0) { printf("%s%d: quirks=0x%b\n", periph->periph_name, periph->unit_number, quirks, bit_string); } } + +void +xpt_denounce_periph(struct cam_periph *periph) +{ + struct cam_path *path = periph->path; + + mtx_assert(periph->sim->mtx, MA_OWNED); + printf("%s%d at %s%d bus %d scbus%d target %d lun %d\n", + periph->periph_name, periph->unit_number, + path->bus->sim->sim_name, + path->bus->sim->unit_number, + path->bus->sim->bus_id, + path->bus->path_id, + path->target->target_id, + path->device->lun_id); + printf("%s%d: ", periph->periph_name, periph->unit_number); + if (path->device->protocol == PROTO_SCSI) + scsi_print_inquiry_short(&path->device->inq_data); + else if (path->device->protocol == PROTO_ATA || + path->device->protocol == PROTO_SATAPM) + ata_print_ident_short(&path->device->ident_data); + else if (path->device->protocol == PROTO_SEMB) + semb_print_ident_short( + (struct sep_identify_data *)&path->device->ident_data); + else + printf("Unknown protocol device"); + if (path->device->serial_num_len > 0) + printf(" s/n %.60s", path->device->serial_num); + printf(" detached\n"); +} + int xpt_getattr(char *buf, size_t len, const char *attr, struct cam_path *path) { int ret = -1, l; struct ccb_dev_advinfo cdai; struct scsi_vpd_id_descriptor *idd; mtx_assert(path->bus->sim->mtx, MA_OWNED); memset(&cdai, 0, sizeof(cdai)); xpt_setup_ccb(&cdai.ccb_h, path, CAM_PRIORITY_NORMAL); cdai.ccb_h.func_code = XPT_DEV_ADVINFO; cdai.bufsiz = len; if (!strcmp(attr, "GEOM::ident")) cdai.buftype = CDAI_TYPE_SERIAL_NUM; else if (!strcmp(attr, "GEOM::physpath")) cdai.buftype = CDAI_TYPE_PHYS_PATH; else if (strcmp(attr, "GEOM::lunid") == 0 || strcmp(attr, "GEOM::lunname") == 0) { cdai.buftype = CDAI_TYPE_SCSI_DEVID; cdai.bufsiz = CAM_SCSI_DEVID_MAXLEN; } else goto out; cdai.buf = malloc(cdai.bufsiz, M_CAMXPT, M_NOWAIT|M_ZERO); if (cdai.buf == NULL) { ret = ENOMEM; goto out; } xpt_action((union ccb *)&cdai); /* can only be synchronous */ if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0) cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE); if (cdai.provsiz == 0) goto out; if (cdai.buftype == CDAI_TYPE_SCSI_DEVID) { if (strcmp(attr, "GEOM::lunid") == 0) { idd = scsi_get_devid((struct scsi_vpd_device_id *)cdai.buf, cdai.provsiz, scsi_devid_is_lun_naa); if (idd == NULL) idd = scsi_get_devid((struct scsi_vpd_device_id *)cdai.buf, cdai.provsiz, scsi_devid_is_lun_eui64); } else idd = NULL; if (idd == NULL) idd = scsi_get_devid((struct scsi_vpd_device_id *)cdai.buf, cdai.provsiz, scsi_devid_is_lun_t10); if (idd == NULL) idd = scsi_get_devid((struct scsi_vpd_device_id *)cdai.buf, cdai.provsiz, scsi_devid_is_lun_name); if (idd == NULL) goto out; ret = 0; if ((idd->proto_codeset & SVPD_ID_CODESET_MASK) == SVPD_ID_CODESET_ASCII || (idd->proto_codeset & SVPD_ID_CODESET_MASK) == SVPD_ID_CODESET_UTF8) { l = strnlen(idd->identifier, idd->length); if (l < len) { bcopy(idd->identifier, buf, l); buf[l] = 0; } else ret = EFAULT; } else { if (idd->length * 2 < len) { for (l = 0; l < idd->length; l++) sprintf(buf + l * 2, "%02x", idd->identifier[l]); } else ret = EFAULT; } } else { ret = 0; if (strlcpy(buf, cdai.buf, len) >= len) ret = EFAULT; } out: if (cdai.buf != NULL) free(cdai.buf, M_CAMXPT); return ret; } static dev_match_ret xptbusmatch(struct dev_match_pattern *patterns, u_int num_patterns, struct cam_eb *bus) { dev_match_ret retval; int i; retval = DM_RET_NONE; /* * If we aren't given something to match against, that's an error. */ if (bus == NULL) return(DM_RET_ERROR); /* * If there are no match entries, then this bus matches no * matter what. */ if ((patterns == NULL) || (num_patterns == 0)) return(DM_RET_DESCEND | DM_RET_COPY); for (i = 0; i < num_patterns; i++) { struct bus_match_pattern *cur_pattern; /* * If the pattern in question isn't for a bus node, we * aren't interested. However, we do indicate to the * calling routine that we should continue descending the * tree, since the user wants to match against lower-level * EDT elements. */ if (patterns[i].type != DEV_MATCH_BUS) { if ((retval & DM_RET_ACTION_MASK) == DM_RET_NONE) retval |= DM_RET_DESCEND; continue; } cur_pattern = &patterns[i].pattern.bus_pattern; /* * If they want to match any bus node, we give them any * device node. */ if (cur_pattern->flags == BUS_MATCH_ANY) { /* set the copy flag */ retval |= DM_RET_COPY; /* * If we've already decided on an action, go ahead * and return. */ if ((retval & DM_RET_ACTION_MASK) != DM_RET_NONE) return(retval); } /* * Not sure why someone would do this... */ if (cur_pattern->flags == BUS_MATCH_NONE) continue; if (((cur_pattern->flags & BUS_MATCH_PATH) != 0) && (cur_pattern->path_id != bus->path_id)) continue; if (((cur_pattern->flags & BUS_MATCH_BUS_ID) != 0) && (cur_pattern->bus_id != bus->sim->bus_id)) continue; if (((cur_pattern->flags & BUS_MATCH_UNIT) != 0) && (cur_pattern->unit_number != bus->sim->unit_number)) continue; if (((cur_pattern->flags & BUS_MATCH_NAME) != 0) && (strncmp(cur_pattern->dev_name, bus->sim->sim_name, DEV_IDLEN) != 0)) continue; /* * If we get to this point, the user definitely wants * information on this bus. So tell the caller to copy the * data out. */ retval |= DM_RET_COPY; /* * If the return action has been set to descend, then we * know that we've already seen a non-bus matching * expression, therefore we need to further descend the tree. * This won't change by continuing around the loop, so we * go ahead and return. If we haven't seen a non-bus * matching expression, we keep going around the loop until * we exhaust the matching expressions. We'll set the stop * flag once we fall out of the loop. */ if ((retval & DM_RET_ACTION_MASK) == DM_RET_DESCEND) return(retval); } /* * If the return action hasn't been set to descend yet, that means * we haven't seen anything other than bus matching patterns. So * tell the caller to stop descending the tree -- the user doesn't * want to match against lower level tree elements. */ if ((retval & DM_RET_ACTION_MASK) == DM_RET_NONE) retval |= DM_RET_STOP; return(retval); } static dev_match_ret xptdevicematch(struct dev_match_pattern *patterns, u_int num_patterns, struct cam_ed *device) { dev_match_ret retval; int i; retval = DM_RET_NONE; /* * If we aren't given something to match against, that's an error. */ if (device == NULL) return(DM_RET_ERROR); /* * If there are no match entries, then this device matches no * matter what. */ if ((patterns == NULL) || (num_patterns == 0)) return(DM_RET_DESCEND | DM_RET_COPY); for (i = 0; i < num_patterns; i++) { struct device_match_pattern *cur_pattern; struct scsi_vpd_device_id *device_id_page; /* * If the pattern in question isn't for a device node, we * aren't interested. */ if (patterns[i].type != DEV_MATCH_DEVICE) { if ((patterns[i].type == DEV_MATCH_PERIPH) && ((retval & DM_RET_ACTION_MASK) == DM_RET_NONE)) retval |= DM_RET_DESCEND; continue; } cur_pattern = &patterns[i].pattern.device_pattern; /* Error out if mutually exclusive options are specified. */ if ((cur_pattern->flags & (DEV_MATCH_INQUIRY|DEV_MATCH_DEVID)) == (DEV_MATCH_INQUIRY|DEV_MATCH_DEVID)) return(DM_RET_ERROR); /* * If they want to match any device node, we give them any * device node. */ if (cur_pattern->flags == DEV_MATCH_ANY) goto copy_dev_node; /* * Not sure why someone would do this... */ if (cur_pattern->flags == DEV_MATCH_NONE) continue; if (((cur_pattern->flags & DEV_MATCH_PATH) != 0) && (cur_pattern->path_id != device->target->bus->path_id)) continue; if (((cur_pattern->flags & DEV_MATCH_TARGET) != 0) && (cur_pattern->target_id != device->target->target_id)) continue; if (((cur_pattern->flags & DEV_MATCH_LUN) != 0) && (cur_pattern->target_lun != device->lun_id)) continue; if (((cur_pattern->flags & DEV_MATCH_INQUIRY) != 0) && (cam_quirkmatch((caddr_t)&device->inq_data, (caddr_t)&cur_pattern->data.inq_pat, 1, sizeof(cur_pattern->data.inq_pat), scsi_static_inquiry_match) == NULL)) continue; device_id_page = (struct scsi_vpd_device_id *)device->device_id; if (((cur_pattern->flags & DEV_MATCH_DEVID) != 0) && (device->device_id_len < SVPD_DEVICE_ID_HDR_LEN || scsi_devid_match((uint8_t *)device_id_page->desc_list, device->device_id_len - SVPD_DEVICE_ID_HDR_LEN, cur_pattern->data.devid_pat.id, cur_pattern->data.devid_pat.id_len) != 0)) continue; copy_dev_node: /* * If we get to this point, the user definitely wants * information on this device. So tell the caller to copy * the data out. */ retval |= DM_RET_COPY; /* * If the return action has been set to descend, then we * know that we've already seen a peripheral matching * expression, therefore we need to further descend the tree. * This won't change by continuing around the loop, so we * go ahead and return. If we haven't seen a peripheral * matching expression, we keep going around the loop until * we exhaust the matching expressions. We'll set the stop * flag once we fall out of the loop. */ if ((retval & DM_RET_ACTION_MASK) == DM_RET_DESCEND) return(retval); } /* * If the return action hasn't been set to descend yet, that means * we haven't seen any peripheral matching patterns. So tell the * caller to stop descending the tree -- the user doesn't want to * match against lower level tree elements. */ if ((retval & DM_RET_ACTION_MASK) == DM_RET_NONE) retval |= DM_RET_STOP; return(retval); } /* * Match a single peripheral against any number of match patterns. */ static dev_match_ret xptperiphmatch(struct dev_match_pattern *patterns, u_int num_patterns, struct cam_periph *periph) { dev_match_ret retval; int i; /* * If we aren't given something to match against, that's an error. */ if (periph == NULL) return(DM_RET_ERROR); /* * If there are no match entries, then this peripheral matches no * matter what. */ if ((patterns == NULL) || (num_patterns == 0)) return(DM_RET_STOP | DM_RET_COPY); /* * There aren't any nodes below a peripheral node, so there's no * reason to descend the tree any further. */ retval = DM_RET_STOP; for (i = 0; i < num_patterns; i++) { struct periph_match_pattern *cur_pattern; /* * If the pattern in question isn't for a peripheral, we * aren't interested. */ if (patterns[i].type != DEV_MATCH_PERIPH) continue; cur_pattern = &patterns[i].pattern.periph_pattern; /* * If they want to match on anything, then we will do so. */ if (cur_pattern->flags == PERIPH_MATCH_ANY) { /* set the copy flag */ retval |= DM_RET_COPY; /* * We've already set the return action to stop, * since there are no nodes below peripherals in * the tree. */ return(retval); } /* * Not sure why someone would do this... */ if (cur_pattern->flags == PERIPH_MATCH_NONE) continue; if (((cur_pattern->flags & PERIPH_MATCH_PATH) != 0) && (cur_pattern->path_id != periph->path->bus->path_id)) continue; /* * For the target and lun id's, we have to make sure the * target and lun pointers aren't NULL. The xpt peripheral * has a wildcard target and device. */ if (((cur_pattern->flags & PERIPH_MATCH_TARGET) != 0) && ((periph->path->target == NULL) ||(cur_pattern->target_id != periph->path->target->target_id))) continue; if (((cur_pattern->flags & PERIPH_MATCH_LUN) != 0) && ((periph->path->device == NULL) || (cur_pattern->target_lun != periph->path->device->lun_id))) continue; if (((cur_pattern->flags & PERIPH_MATCH_UNIT) != 0) && (cur_pattern->unit_number != periph->unit_number)) continue; if (((cur_pattern->flags & PERIPH_MATCH_NAME) != 0) && (strncmp(cur_pattern->periph_name, periph->periph_name, DEV_IDLEN) != 0)) continue; /* * If we get to this point, the user definitely wants * information on this peripheral. So tell the caller to * copy the data out. */ retval |= DM_RET_COPY; /* * The return action has already been set to stop, since * peripherals don't have any nodes below them in the EDT. */ return(retval); } /* * If we get to this point, the peripheral that was passed in * doesn't match any of the patterns. */ return(retval); } static int xptedtbusfunc(struct cam_eb *bus, void *arg) { struct ccb_dev_match *cdm; dev_match_ret retval; cdm = (struct ccb_dev_match *)arg; /* * If our position is for something deeper in the tree, that means * that we've already seen this node. So, we keep going down. */ if ((cdm->pos.position_type & CAM_DEV_POS_BUS) && (cdm->pos.cookie.bus == bus) && (cdm->pos.position_type & CAM_DEV_POS_TARGET) && (cdm->pos.cookie.target != NULL)) retval = DM_RET_DESCEND; else retval = xptbusmatch(cdm->patterns, cdm->num_patterns, bus); /* * If we got an error, bail out of the search. */ if ((retval & DM_RET_ACTION_MASK) == DM_RET_ERROR) { cdm->status = CAM_DEV_MATCH_ERROR; return(0); } /* * If the copy flag is set, copy this bus out. */ if (retval & DM_RET_COPY) { int spaceleft, j; spaceleft = cdm->match_buf_len - (cdm->num_matches * sizeof(struct dev_match_result)); /* * If we don't have enough space to put in another * match result, save our position and tell the * user there are more devices to check. */ if (spaceleft < sizeof(struct dev_match_result)) { bzero(&cdm->pos, sizeof(cdm->pos)); cdm->pos.position_type = CAM_DEV_POS_EDT | CAM_DEV_POS_BUS; cdm->pos.cookie.bus = bus; cdm->pos.generations[CAM_BUS_GENERATION]= xsoftc.bus_generation; cdm->status = CAM_DEV_MATCH_MORE; return(0); } j = cdm->num_matches; cdm->num_matches++; cdm->matches[j].type = DEV_MATCH_BUS; cdm->matches[j].result.bus_result.path_id = bus->path_id; cdm->matches[j].result.bus_result.bus_id = bus->sim->bus_id; cdm->matches[j].result.bus_result.unit_number = bus->sim->unit_number; strncpy(cdm->matches[j].result.bus_result.dev_name, bus->sim->sim_name, DEV_IDLEN); } /* * If the user is only interested in busses, there's no * reason to descend to the next level in the tree. */ if ((retval & DM_RET_ACTION_MASK) == DM_RET_STOP) return(1); /* * If there is a target generation recorded, check it to * make sure the target list hasn't changed. */ if ((cdm->pos.position_type & CAM_DEV_POS_BUS) && (bus == cdm->pos.cookie.bus) && (cdm->pos.position_type & CAM_DEV_POS_TARGET) && (cdm->pos.generations[CAM_TARGET_GENERATION] != 0) && (cdm->pos.generations[CAM_TARGET_GENERATION] != bus->generation)) { cdm->status = CAM_DEV_MATCH_LIST_CHANGED; return(0); } if ((cdm->pos.position_type & CAM_DEV_POS_BUS) && (cdm->pos.cookie.bus == bus) && (cdm->pos.position_type & CAM_DEV_POS_TARGET) && (cdm->pos.cookie.target != NULL)) return(xpttargettraverse(bus, (struct cam_et *)cdm->pos.cookie.target, xptedttargetfunc, arg)); else return(xpttargettraverse(bus, NULL, xptedttargetfunc, arg)); } static int xptedttargetfunc(struct cam_et *target, void *arg) { struct ccb_dev_match *cdm; cdm = (struct ccb_dev_match *)arg; /* * If there is a device list generation recorded, check it to * make sure the device list hasn't changed. */ if ((cdm->pos.position_type & CAM_DEV_POS_BUS) && (cdm->pos.cookie.bus == target->bus) && (cdm->pos.position_type & CAM_DEV_POS_TARGET) && (cdm->pos.cookie.target == target) && (cdm->pos.position_type & CAM_DEV_POS_DEVICE) && (cdm->pos.generations[CAM_DEV_GENERATION] != 0) && (cdm->pos.generations[CAM_DEV_GENERATION] != target->generation)) { cdm->status = CAM_DEV_MATCH_LIST_CHANGED; return(0); } if ((cdm->pos.position_type & CAM_DEV_POS_BUS) && (cdm->pos.cookie.bus == target->bus) && (cdm->pos.position_type & CAM_DEV_POS_TARGET) && (cdm->pos.cookie.target == target) && (cdm->pos.position_type & CAM_DEV_POS_DEVICE) && (cdm->pos.cookie.device != NULL)) return(xptdevicetraverse(target, (struct cam_ed *)cdm->pos.cookie.device, xptedtdevicefunc, arg)); else return(xptdevicetraverse(target, NULL, xptedtdevicefunc, arg)); } static int xptedtdevicefunc(struct cam_ed *device, void *arg) { struct ccb_dev_match *cdm; dev_match_ret retval; cdm = (struct ccb_dev_match *)arg; /* * If our position is for something deeper in the tree, that means * that we've already seen this node. So, we keep going down. */ if ((cdm->pos.position_type & CAM_DEV_POS_DEVICE) && (cdm->pos.cookie.device == device) && (cdm->pos.position_type & CAM_DEV_POS_PERIPH) && (cdm->pos.cookie.periph != NULL)) retval = DM_RET_DESCEND; else retval = xptdevicematch(cdm->patterns, cdm->num_patterns, device); if ((retval & DM_RET_ACTION_MASK) == DM_RET_ERROR) { cdm->status = CAM_DEV_MATCH_ERROR; return(0); } /* * If the copy flag is set, copy this device out. */ if (retval & DM_RET_COPY) { int spaceleft, j; spaceleft = cdm->match_buf_len - (cdm->num_matches * sizeof(struct dev_match_result)); /* * If we don't have enough space to put in another * match result, save our position and tell the * user there are more devices to check. */ if (spaceleft < sizeof(struct dev_match_result)) { bzero(&cdm->pos, sizeof(cdm->pos)); cdm->pos.position_type = CAM_DEV_POS_EDT | CAM_DEV_POS_BUS | CAM_DEV_POS_TARGET | CAM_DEV_POS_DEVICE; cdm->pos.cookie.bus = device->target->bus; cdm->pos.generations[CAM_BUS_GENERATION]= xsoftc.bus_generation; cdm->pos.cookie.target = device->target; cdm->pos.generations[CAM_TARGET_GENERATION] = device->target->bus->generation; cdm->pos.cookie.device = device; cdm->pos.generations[CAM_DEV_GENERATION] = device->target->generation; cdm->status = CAM_DEV_MATCH_MORE; return(0); } j = cdm->num_matches; cdm->num_matches++; cdm->matches[j].type = DEV_MATCH_DEVICE; cdm->matches[j].result.device_result.path_id = device->target->bus->path_id; cdm->matches[j].result.device_result.target_id = device->target->target_id; cdm->matches[j].result.device_result.target_lun = device->lun_id; cdm->matches[j].result.device_result.protocol = device->protocol; bcopy(&device->inq_data, &cdm->matches[j].result.device_result.inq_data, sizeof(struct scsi_inquiry_data)); bcopy(&device->ident_data, &cdm->matches[j].result.device_result.ident_data, sizeof(struct ata_params)); /* Let the user know whether this device is unconfigured */ if (device->flags & CAM_DEV_UNCONFIGURED) cdm->matches[j].result.device_result.flags = DEV_RESULT_UNCONFIGURED; else cdm->matches[j].result.device_result.flags = DEV_RESULT_NOFLAG; } /* * If the user isn't interested in peripherals, don't descend * the tree any further. */ if ((retval & DM_RET_ACTION_MASK) == DM_RET_STOP) return(1); /* * If there is a peripheral list generation recorded, make sure * it hasn't changed. */ if ((cdm->pos.position_type & CAM_DEV_POS_BUS) && (device->target->bus == cdm->pos.cookie.bus) && (cdm->pos.position_type & CAM_DEV_POS_TARGET) && (device->target == cdm->pos.cookie.target) && (cdm->pos.position_type & CAM_DEV_POS_DEVICE) && (device == cdm->pos.cookie.device) && (cdm->pos.position_type & CAM_DEV_POS_PERIPH) && (cdm->pos.generations[CAM_PERIPH_GENERATION] != 0) && (cdm->pos.generations[CAM_PERIPH_GENERATION] != device->generation)){ cdm->status = CAM_DEV_MATCH_LIST_CHANGED; return(0); } if ((cdm->pos.position_type & CAM_DEV_POS_BUS) && (cdm->pos.cookie.bus == device->target->bus) && (cdm->pos.position_type & CAM_DEV_POS_TARGET) && (cdm->pos.cookie.target == device->target) && (cdm->pos.position_type & CAM_DEV_POS_DEVICE) && (cdm->pos.cookie.device == device) && (cdm->pos.position_type & CAM_DEV_POS_PERIPH) && (cdm->pos.cookie.periph != NULL)) return(xptperiphtraverse(device, (struct cam_periph *)cdm->pos.cookie.periph, xptedtperiphfunc, arg)); else return(xptperiphtraverse(device, NULL, xptedtperiphfunc, arg)); } static int xptedtperiphfunc(struct cam_periph *periph, void *arg) { struct ccb_dev_match *cdm; dev_match_ret retval; cdm = (struct ccb_dev_match *)arg; retval = xptperiphmatch(cdm->patterns, cdm->num_patterns, periph); if ((retval & DM_RET_ACTION_MASK) == DM_RET_ERROR) { cdm->status = CAM_DEV_MATCH_ERROR; return(0); } /* * If the copy flag is set, copy this peripheral out. */ if (retval & DM_RET_COPY) { int spaceleft, j; spaceleft = cdm->match_buf_len - (cdm->num_matches * sizeof(struct dev_match_result)); /* * If we don't have enough space to put in another * match result, save our position and tell the * user there are more devices to check. */ if (spaceleft < sizeof(struct dev_match_result)) { bzero(&cdm->pos, sizeof(cdm->pos)); cdm->pos.position_type = CAM_DEV_POS_EDT | CAM_DEV_POS_BUS | CAM_DEV_POS_TARGET | CAM_DEV_POS_DEVICE | CAM_DEV_POS_PERIPH; cdm->pos.cookie.bus = periph->path->bus; cdm->pos.generations[CAM_BUS_GENERATION]= xsoftc.bus_generation; cdm->pos.cookie.target = periph->path->target; cdm->pos.generations[CAM_TARGET_GENERATION] = periph->path->bus->generation; cdm->pos.cookie.device = periph->path->device; cdm->pos.generations[CAM_DEV_GENERATION] = periph->path->target->generation; cdm->pos.cookie.periph = periph; cdm->pos.generations[CAM_PERIPH_GENERATION] = periph->path->device->generation; cdm->status = CAM_DEV_MATCH_MORE; return(0); } j = cdm->num_matches; cdm->num_matches++; cdm->matches[j].type = DEV_MATCH_PERIPH; cdm->matches[j].result.periph_result.path_id = periph->path->bus->path_id; cdm->matches[j].result.periph_result.target_id = periph->path->target->target_id; cdm->matches[j].result.periph_result.target_lun = periph->path->device->lun_id; cdm->matches[j].result.periph_result.unit_number = periph->unit_number; strncpy(cdm->matches[j].result.periph_result.periph_name, periph->periph_name, DEV_IDLEN); } return(1); } static int xptedtmatch(struct ccb_dev_match *cdm) { int ret; cdm->num_matches = 0; /* * Check the bus list generation. If it has changed, the user * needs to reset everything and start over. */ if ((cdm->pos.position_type & CAM_DEV_POS_BUS) && (cdm->pos.generations[CAM_BUS_GENERATION] != 0) && (cdm->pos.generations[CAM_BUS_GENERATION] != xsoftc.bus_generation)) { cdm->status = CAM_DEV_MATCH_LIST_CHANGED; return(0); } if ((cdm->pos.position_type & CAM_DEV_POS_BUS) && (cdm->pos.cookie.bus != NULL)) ret = xptbustraverse((struct cam_eb *)cdm->pos.cookie.bus, xptedtbusfunc, cdm); else ret = xptbustraverse(NULL, xptedtbusfunc, cdm); /* * If we get back 0, that means that we had to stop before fully * traversing the EDT. It also means that one of the subroutines * has set the status field to the proper value. If we get back 1, * we've fully traversed the EDT and copied out any matching entries. */ if (ret == 1) cdm->status = CAM_DEV_MATCH_LAST; return(ret); } static int xptplistpdrvfunc(struct periph_driver **pdrv, void *arg) { struct ccb_dev_match *cdm; cdm = (struct ccb_dev_match *)arg; if ((cdm->pos.position_type & CAM_DEV_POS_PDPTR) && (cdm->pos.cookie.pdrv == pdrv) && (cdm->pos.position_type & CAM_DEV_POS_PERIPH) && (cdm->pos.generations[CAM_PERIPH_GENERATION] != 0) && (cdm->pos.generations[CAM_PERIPH_GENERATION] != (*pdrv)->generation)) { cdm->status = CAM_DEV_MATCH_LIST_CHANGED; return(0); } if ((cdm->pos.position_type & CAM_DEV_POS_PDPTR) && (cdm->pos.cookie.pdrv == pdrv) && (cdm->pos.position_type & CAM_DEV_POS_PERIPH) && (cdm->pos.cookie.periph != NULL)) return(xptpdperiphtraverse(pdrv, (struct cam_periph *)cdm->pos.cookie.periph, xptplistperiphfunc, arg)); else return(xptpdperiphtraverse(pdrv, NULL,xptplistperiphfunc, arg)); } static int xptplistperiphfunc(struct cam_periph *periph, void *arg) { struct ccb_dev_match *cdm; dev_match_ret retval; cdm = (struct ccb_dev_match *)arg; retval = xptperiphmatch(cdm->patterns, cdm->num_patterns, periph); if ((retval & DM_RET_ACTION_MASK) == DM_RET_ERROR) { cdm->status = CAM_DEV_MATCH_ERROR; return(0); } /* * If the copy flag is set, copy this peripheral out. */ if (retval & DM_RET_COPY) { int spaceleft, j; spaceleft = cdm->match_buf_len - (cdm->num_matches * sizeof(struct dev_match_result)); /* * If we don't have enough space to put in another * match result, save our position and tell the * user there are more devices to check. */ if (spaceleft < sizeof(struct dev_match_result)) { struct periph_driver **pdrv; pdrv = NULL; bzero(&cdm->pos, sizeof(cdm->pos)); cdm->pos.position_type = CAM_DEV_POS_PDRV | CAM_DEV_POS_PDPTR | CAM_DEV_POS_PERIPH; /* * This may look a bit non-sensical, but it is * actually quite logical. There are very few * peripheral drivers, and bloating every peripheral * structure with a pointer back to its parent * peripheral driver linker set entry would cost * more in the long run than doing this quick lookup. */ for (pdrv = periph_drivers; *pdrv != NULL; pdrv++) { if (strcmp((*pdrv)->driver_name, periph->periph_name) == 0) break; } if (*pdrv == NULL) { cdm->status = CAM_DEV_MATCH_ERROR; return(0); } cdm->pos.cookie.pdrv = pdrv; /* * The periph generation slot does double duty, as * does the periph pointer slot. They are used for * both edt and pdrv lookups and positioning. */ cdm->pos.cookie.periph = periph; cdm->pos.generations[CAM_PERIPH_GENERATION] = (*pdrv)->generation; cdm->status = CAM_DEV_MATCH_MORE; return(0); } j = cdm->num_matches; cdm->num_matches++; cdm->matches[j].type = DEV_MATCH_PERIPH; cdm->matches[j].result.periph_result.path_id = periph->path->bus->path_id; /* * The transport layer peripheral doesn't have a target or * lun. */ if (periph->path->target) cdm->matches[j].result.periph_result.target_id = periph->path->target->target_id; else cdm->matches[j].result.periph_result.target_id = -1; if (periph->path->device) cdm->matches[j].result.periph_result.target_lun = periph->path->device->lun_id; else cdm->matches[j].result.periph_result.target_lun = -1; cdm->matches[j].result.periph_result.unit_number = periph->unit_number; strncpy(cdm->matches[j].result.periph_result.periph_name, periph->periph_name, DEV_IDLEN); } return(1); } static int xptperiphlistmatch(struct ccb_dev_match *cdm) { int ret; cdm->num_matches = 0; /* * At this point in the edt traversal function, we check the bus * list generation to make sure that no busses have been added or * removed since the user last sent a XPT_DEV_MATCH ccb through. * For the peripheral driver list traversal function, however, we * don't have to worry about new peripheral driver types coming or * going; they're in a linker set, and therefore can't change * without a recompile. */ if ((cdm->pos.position_type & CAM_DEV_POS_PDPTR) && (cdm->pos.cookie.pdrv != NULL)) ret = xptpdrvtraverse( (struct periph_driver **)cdm->pos.cookie.pdrv, xptplistpdrvfunc, cdm); else ret = xptpdrvtraverse(NULL, xptplistpdrvfunc, cdm); /* * If we get back 0, that means that we had to stop before fully * traversing the peripheral driver tree. It also means that one of * the subroutines has set the status field to the proper value. If * we get back 1, we've fully traversed the EDT and copied out any * matching entries. */ if (ret == 1) cdm->status = CAM_DEV_MATCH_LAST; return(ret); } static int xptbustraverse(struct cam_eb *start_bus, xpt_busfunc_t *tr_func, void *arg) { struct cam_eb *bus, *next_bus; int retval; retval = 1; xpt_lock_buses(); for (bus = (start_bus ? start_bus : TAILQ_FIRST(&xsoftc.xpt_busses)); bus != NULL; bus = next_bus) { bus->refcount++; /* * XXX The locking here is obviously very complex. We * should work to simplify it. */ xpt_unlock_buses(); CAM_SIM_LOCK(bus->sim); retval = tr_func(bus, arg); CAM_SIM_UNLOCK(bus->sim); xpt_lock_buses(); next_bus = TAILQ_NEXT(bus, links); xpt_unlock_buses(); xpt_release_bus(bus); if (retval == 0) return(retval); xpt_lock_buses(); } xpt_unlock_buses(); return(retval); } int xpt_sim_opened(struct cam_sim *sim) { struct cam_eb *bus; struct cam_et *target; struct cam_ed *device; struct cam_periph *periph; KASSERT(sim->refcount >= 1, ("sim->refcount >= 1")); mtx_assert(sim->mtx, MA_OWNED); xpt_lock_buses(); TAILQ_FOREACH(bus, &xsoftc.xpt_busses, links) { if (bus->sim != sim) continue; TAILQ_FOREACH(target, &bus->et_entries, links) { TAILQ_FOREACH(device, &target->ed_entries, links) { SLIST_FOREACH(periph, &device->periphs, periph_links) { if (periph->refcount > 0) { xpt_unlock_buses(); return (1); } } } } } xpt_unlock_buses(); return (0); } static int xpttargettraverse(struct cam_eb *bus, struct cam_et *start_target, xpt_targetfunc_t *tr_func, void *arg) { struct cam_et *target, *next_target; int retval; mtx_assert(bus->sim->mtx, MA_OWNED); retval = 1; for (target = (start_target ? start_target : TAILQ_FIRST(&bus->et_entries)); target != NULL; target = next_target) { target->refcount++; retval = tr_func(target, arg); next_target = TAILQ_NEXT(target, links); xpt_release_target(target); if (retval == 0) return(retval); } return(retval); } static int xptdevicetraverse(struct cam_et *target, struct cam_ed *start_device, xpt_devicefunc_t *tr_func, void *arg) { struct cam_ed *device, *next_device; int retval; mtx_assert(target->bus->sim->mtx, MA_OWNED); retval = 1; for (device = (start_device ? start_device : TAILQ_FIRST(&target->ed_entries)); device != NULL; device = next_device) { /* * Hold a reference so the current device does not go away * on us. */ device->refcount++; retval = tr_func(device, arg); /* * Grab our next pointer before we release the current * device. */ next_device = TAILQ_NEXT(device, links); xpt_release_device(device); if (retval == 0) return(retval); } return(retval); } static int xptperiphtraverse(struct cam_ed *device, struct cam_periph *start_periph, xpt_periphfunc_t *tr_func, void *arg) { struct cam_periph *periph, *next_periph; int retval; retval = 1; mtx_assert(device->sim->mtx, MA_OWNED); xpt_lock_buses(); for (periph = (start_periph ? start_periph : SLIST_FIRST(&device->periphs)); periph != NULL; periph = next_periph) { /* * In this case, we want to show peripherals that have been * invalidated, but not peripherals that are scheduled to * be freed. So instead of calling cam_periph_acquire(), * which will fail if the periph has been invalidated, we * just check for the free flag here. If it is in the * process of being freed, we skip to the next periph. */ if (periph->flags & CAM_PERIPH_FREE) { next_periph = SLIST_NEXT(periph, periph_links); continue; } /* * Acquire a reference to this periph while we call the * traversal function, so it can't go away. */ periph->refcount++; retval = tr_func(periph, arg); /* * Grab the next peripheral before we release this one, so * our next pointer is still valid. */ next_periph = SLIST_NEXT(periph, periph_links); cam_periph_release_locked_buses(periph); if (retval == 0) goto bailout_done; } bailout_done: xpt_unlock_buses(); return(retval); } static int xptpdrvtraverse(struct periph_driver **start_pdrv, xpt_pdrvfunc_t *tr_func, void *arg) { struct periph_driver **pdrv; int retval; retval = 1; /* * We don't traverse the peripheral driver list like we do the * other lists, because it is a linker set, and therefore cannot be * changed during runtime. If the peripheral driver list is ever * re-done to be something other than a linker set (i.e. it can * change while the system is running), the list traversal should * be modified to work like the other traversal functions. */ for (pdrv = (start_pdrv ? start_pdrv : periph_drivers); *pdrv != NULL; pdrv++) { retval = tr_func(pdrv, arg); if (retval == 0) return(retval); } return(retval); } static int xptpdperiphtraverse(struct periph_driver **pdrv, struct cam_periph *start_periph, xpt_periphfunc_t *tr_func, void *arg) { struct cam_periph *periph, *next_periph; struct cam_sim *sim; int retval; retval = 1; xpt_lock_buses(); for (periph = (start_periph ? start_periph : TAILQ_FIRST(&(*pdrv)->units)); periph != NULL; periph = next_periph) { /* * In this case, we want to show peripherals that have been * invalidated, but not peripherals that are scheduled to * be freed. So instead of calling cam_periph_acquire(), * which will fail if the periph has been invalidated, we * just check for the free flag here. If it is free, we * skip to the next periph. */ if (periph->flags & CAM_PERIPH_FREE) { next_periph = TAILQ_NEXT(periph, unit_links); continue; } /* * Acquire a reference to this periph while we call the * traversal function, so it can't go away. */ periph->refcount++; sim = periph->sim; xpt_unlock_buses(); CAM_SIM_LOCK(sim); xpt_lock_buses(); retval = tr_func(periph, arg); /* * Grab the next peripheral before we release this one, so * our next pointer is still valid. */ next_periph = TAILQ_NEXT(periph, unit_links); cam_periph_release_locked_buses(periph); CAM_SIM_UNLOCK(sim); if (retval == 0) goto bailout_done; } bailout_done: xpt_unlock_buses(); return(retval); } static int xptdefbusfunc(struct cam_eb *bus, void *arg) { struct xpt_traverse_config *tr_config; tr_config = (struct xpt_traverse_config *)arg; if (tr_config->depth == XPT_DEPTH_BUS) { xpt_busfunc_t *tr_func; tr_func = (xpt_busfunc_t *)tr_config->tr_func; return(tr_func(bus, tr_config->tr_arg)); } else return(xpttargettraverse(bus, NULL, xptdeftargetfunc, arg)); } static int xptdeftargetfunc(struct cam_et *target, void *arg) { struct xpt_traverse_config *tr_config; tr_config = (struct xpt_traverse_config *)arg; if (tr_config->depth == XPT_DEPTH_TARGET) { xpt_targetfunc_t *tr_func; tr_func = (xpt_targetfunc_t *)tr_config->tr_func; return(tr_func(target, tr_config->tr_arg)); } else return(xptdevicetraverse(target, NULL, xptdefdevicefunc, arg)); } static int xptdefdevicefunc(struct cam_ed *device, void *arg) { struct xpt_traverse_config *tr_config; tr_config = (struct xpt_traverse_config *)arg; if (tr_config->depth == XPT_DEPTH_DEVICE) { xpt_devicefunc_t *tr_func; tr_func = (xpt_devicefunc_t *)tr_config->tr_func; return(tr_func(device, tr_config->tr_arg)); } else return(xptperiphtraverse(device, NULL, xptdefperiphfunc, arg)); } static int xptdefperiphfunc(struct cam_periph *periph, void *arg) { struct xpt_traverse_config *tr_config; xpt_periphfunc_t *tr_func; tr_config = (struct xpt_traverse_config *)arg; tr_func = (xpt_periphfunc_t *)tr_config->tr_func; /* * Unlike the other default functions, we don't check for depth * here. The peripheral driver level is the last level in the EDT, * so if we're here, we should execute the function in question. */ return(tr_func(periph, tr_config->tr_arg)); } /* * Execute the given function for every bus in the EDT. */ static int xpt_for_all_busses(xpt_busfunc_t *tr_func, void *arg) { struct xpt_traverse_config tr_config; tr_config.depth = XPT_DEPTH_BUS; tr_config.tr_func = tr_func; tr_config.tr_arg = arg; return(xptbustraverse(NULL, xptdefbusfunc, &tr_config)); } /* * Execute the given function for every device in the EDT. */ static int xpt_for_all_devices(xpt_devicefunc_t *tr_func, void *arg) { struct xpt_traverse_config tr_config; tr_config.depth = XPT_DEPTH_DEVICE; tr_config.tr_func = tr_func; tr_config.tr_arg = arg; return(xptbustraverse(NULL, xptdefbusfunc, &tr_config)); } static int xptsetasyncfunc(struct cam_ed *device, void *arg) { struct cam_path path; struct ccb_getdev cgd; struct ccb_setasync *csa = (struct ccb_setasync *)arg; /* * Don't report unconfigured devices (Wildcard devs, * devices only for target mode, device instances * that have been invalidated but are waiting for * their last reference count to be released). */ if ((device->flags & CAM_DEV_UNCONFIGURED) != 0) return (1); xpt_compile_path(&path, NULL, device->target->bus->path_id, device->target->target_id, device->lun_id); xpt_setup_ccb(&cgd.ccb_h, &path, CAM_PRIORITY_NORMAL); cgd.ccb_h.func_code = XPT_GDEV_TYPE; xpt_action((union ccb *)&cgd); csa->callback(csa->callback_arg, AC_FOUND_DEVICE, &path, &cgd); xpt_release_path(&path); return(1); } static int xptsetasyncbusfunc(struct cam_eb *bus, void *arg) { struct cam_path path; struct ccb_pathinq cpi; struct ccb_setasync *csa = (struct ccb_setasync *)arg; xpt_compile_path(&path, /*periph*/NULL, bus->path_id, CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); xpt_setup_ccb(&cpi.ccb_h, &path, CAM_PRIORITY_NORMAL); cpi.ccb_h.func_code = XPT_PATH_INQ; xpt_action((union ccb *)&cpi); csa->callback(csa->callback_arg, AC_PATH_REGISTERED, &path, &cpi); xpt_release_path(&path); return(1); } void xpt_action(union ccb *start_ccb) { CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("xpt_action\n")); start_ccb->ccb_h.status = CAM_REQ_INPROG; (*(start_ccb->ccb_h.path->bus->xport->action))(start_ccb); } void xpt_action_default(union ccb *start_ccb) { struct cam_path *path; path = start_ccb->ccb_h.path; CAM_DEBUG(path, CAM_DEBUG_TRACE, ("xpt_action_default\n")); switch (start_ccb->ccb_h.func_code) { case XPT_SCSI_IO: { struct cam_ed *device; /* * For the sake of compatibility with SCSI-1 * devices that may not understand the identify * message, we include lun information in the * second byte of all commands. SCSI-1 specifies * that luns are a 3 bit value and reserves only 3 * bits for lun information in the CDB. Later * revisions of the SCSI spec allow for more than 8 * luns, but have deprecated lun information in the * CDB. So, if the lun won't fit, we must omit. * * Also be aware that during initial probing for devices, * the inquiry information is unknown but initialized to 0. * This means that this code will be exercised while probing * devices with an ANSI revision greater than 2. */ device = path->device; if (device->protocol_version <= SCSI_REV_2 && start_ccb->ccb_h.target_lun < 8 && (start_ccb->ccb_h.flags & CAM_CDB_POINTER) == 0) { start_ccb->csio.cdb_io.cdb_bytes[1] |= start_ccb->ccb_h.target_lun << 5; } start_ccb->csio.scsi_status = SCSI_STATUS_OK; } /* FALLTHROUGH */ case XPT_TARGET_IO: case XPT_CONT_TARGET_IO: start_ccb->csio.sense_resid = 0; start_ccb->csio.resid = 0; /* FALLTHROUGH */ case XPT_ATA_IO: if (start_ccb->ccb_h.func_code == XPT_ATA_IO) start_ccb->ataio.resid = 0; /* FALLTHROUGH */ case XPT_RESET_DEV: case XPT_ENG_EXEC: case XPT_SMP_IO: cam_ccbq_insert_ccb(&path->device->ccbq, start_ccb); if (xpt_schedule_devq(path->bus->sim->devq, path->device)) xpt_run_devq(path->bus->sim->devq); break; case XPT_CALC_GEOMETRY: { struct cam_sim *sim; /* Filter out garbage */ if (start_ccb->ccg.block_size == 0 || start_ccb->ccg.volume_size == 0) { start_ccb->ccg.cylinders = 0; start_ccb->ccg.heads = 0; start_ccb->ccg.secs_per_track = 0; start_ccb->ccb_h.status = CAM_REQ_CMP; break; } #if defined(PC98) || defined(__sparc64__) /* * In a PC-98 system, geometry translation depens on * the "real" device geometry obtained from mode page 4. * SCSI geometry translation is performed in the * initialization routine of the SCSI BIOS and the result * stored in host memory. If the translation is available * in host memory, use it. If not, rely on the default * translation the device driver performs. * For sparc64, we may need adjust the geometry of large * disks in order to fit the limitations of the 16-bit * fields of the VTOC8 disk label. */ if (scsi_da_bios_params(&start_ccb->ccg) != 0) { start_ccb->ccb_h.status = CAM_REQ_CMP; break; } #endif sim = path->bus->sim; (*(sim->sim_action))(sim, start_ccb); break; } case XPT_ABORT: { union ccb* abort_ccb; abort_ccb = start_ccb->cab.abort_ccb; if (XPT_FC_IS_DEV_QUEUED(abort_ccb)) { if (abort_ccb->ccb_h.pinfo.index >= 0) { struct cam_ccbq *ccbq; struct cam_ed *device; device = abort_ccb->ccb_h.path->device; ccbq = &device->ccbq; cam_ccbq_remove_ccb(ccbq, abort_ccb); abort_ccb->ccb_h.status = CAM_REQ_ABORTED|CAM_DEV_QFRZN; xpt_freeze_devq(abort_ccb->ccb_h.path, 1); xpt_done(abort_ccb); start_ccb->ccb_h.status = CAM_REQ_CMP; break; } if (abort_ccb->ccb_h.pinfo.index == CAM_UNQUEUED_INDEX && (abort_ccb->ccb_h.status & CAM_SIM_QUEUED) == 0) { /* * We've caught this ccb en route to * the SIM. Flag it for abort and the * SIM will do so just before starting * real work on the CCB. */ abort_ccb->ccb_h.status = CAM_REQ_ABORTED|CAM_DEV_QFRZN; xpt_freeze_devq(abort_ccb->ccb_h.path, 1); start_ccb->ccb_h.status = CAM_REQ_CMP; break; } } if (XPT_FC_IS_QUEUED(abort_ccb) && (abort_ccb->ccb_h.pinfo.index == CAM_DONEQ_INDEX)) { /* * It's already completed but waiting * for our SWI to get to it. */ start_ccb->ccb_h.status = CAM_UA_ABORT; break; } /* * If we weren't able to take care of the abort request * in the XPT, pass the request down to the SIM for processing. */ } /* FALLTHROUGH */ case XPT_ACCEPT_TARGET_IO: case XPT_EN_LUN: case XPT_IMMED_NOTIFY: case XPT_NOTIFY_ACK: case XPT_RESET_BUS: case XPT_IMMEDIATE_NOTIFY: case XPT_NOTIFY_ACKNOWLEDGE: case XPT_GET_SIM_KNOB: case XPT_SET_SIM_KNOB: { struct cam_sim *sim; sim = path->bus->sim; (*(sim->sim_action))(sim, start_ccb); break; } case XPT_PATH_INQ: { struct cam_sim *sim; sim = path->bus->sim; (*(sim->sim_action))(sim, start_ccb); break; } case XPT_PATH_STATS: start_ccb->cpis.last_reset = path->bus->last_reset; start_ccb->ccb_h.status = CAM_REQ_CMP; break; case XPT_GDEV_TYPE: { struct cam_ed *dev; dev = path->device; if ((dev->flags & CAM_DEV_UNCONFIGURED) != 0) { start_ccb->ccb_h.status = CAM_DEV_NOT_THERE; } else { struct ccb_getdev *cgd; cgd = &start_ccb->cgd; cgd->protocol = dev->protocol; cgd->inq_data = dev->inq_data; cgd->ident_data = dev->ident_data; cgd->inq_flags = dev->inq_flags; cgd->ccb_h.status = CAM_REQ_CMP; cgd->serial_num_len = dev->serial_num_len; if ((dev->serial_num_len > 0) && (dev->serial_num != NULL)) bcopy(dev->serial_num, cgd->serial_num, dev->serial_num_len); } break; } case XPT_GDEV_STATS: { struct cam_ed *dev; dev = path->device; if ((dev->flags & CAM_DEV_UNCONFIGURED) != 0) { start_ccb->ccb_h.status = CAM_DEV_NOT_THERE; } else { struct ccb_getdevstats *cgds; struct cam_eb *bus; struct cam_et *tar; cgds = &start_ccb->cgds; bus = path->bus; tar = path->target; cgds->dev_openings = dev->ccbq.dev_openings; cgds->dev_active = dev->ccbq.dev_active; cgds->devq_openings = dev->ccbq.devq_openings; cgds->devq_queued = cam_ccbq_pending_ccb_count(&dev->ccbq); cgds->held = dev->ccbq.held; cgds->last_reset = tar->last_reset; cgds->maxtags = dev->maxtags; cgds->mintags = dev->mintags; if (timevalcmp(&tar->last_reset, &bus->last_reset, <)) cgds->last_reset = bus->last_reset; cgds->ccb_h.status = CAM_REQ_CMP; } break; } case XPT_GDEVLIST: { struct cam_periph *nperiph; struct periph_list *periph_head; struct ccb_getdevlist *cgdl; u_int i; struct cam_ed *device; int found; found = 0; /* * Don't want anyone mucking with our data. */ device = path->device; periph_head = &device->periphs; cgdl = &start_ccb->cgdl; /* * Check and see if the list has changed since the user * last requested a list member. If so, tell them that the * list has changed, and therefore they need to start over * from the beginning. */ if ((cgdl->index != 0) && (cgdl->generation != device->generation)) { cgdl->status = CAM_GDEVLIST_LIST_CHANGED; break; } /* * Traverse the list of peripherals and attempt to find * the requested peripheral. */ for (nperiph = SLIST_FIRST(periph_head), i = 0; (nperiph != NULL) && (i <= cgdl->index); nperiph = SLIST_NEXT(nperiph, periph_links), i++) { if (i == cgdl->index) { strncpy(cgdl->periph_name, nperiph->periph_name, DEV_IDLEN); cgdl->unit_number = nperiph->unit_number; found = 1; } } if (found == 0) { cgdl->status = CAM_GDEVLIST_ERROR; break; } if (nperiph == NULL) cgdl->status = CAM_GDEVLIST_LAST_DEVICE; else cgdl->status = CAM_GDEVLIST_MORE_DEVS; cgdl->index++; cgdl->generation = device->generation; cgdl->ccb_h.status = CAM_REQ_CMP; break; } case XPT_DEV_MATCH: { dev_pos_type position_type; struct ccb_dev_match *cdm; cdm = &start_ccb->cdm; /* * There are two ways of getting at information in the EDT. * The first way is via the primary EDT tree. It starts * with a list of busses, then a list of targets on a bus, * then devices/luns on a target, and then peripherals on a * device/lun. The "other" way is by the peripheral driver * lists. The peripheral driver lists are organized by * peripheral driver. (obviously) So it makes sense to * use the peripheral driver list if the user is looking * for something like "da1", or all "da" devices. If the * user is looking for something on a particular bus/target * or lun, it's generally better to go through the EDT tree. */ if (cdm->pos.position_type != CAM_DEV_POS_NONE) position_type = cdm->pos.position_type; else { u_int i; position_type = CAM_DEV_POS_NONE; for (i = 0; i < cdm->num_patterns; i++) { if ((cdm->patterns[i].type == DEV_MATCH_BUS) ||(cdm->patterns[i].type == DEV_MATCH_DEVICE)){ position_type = CAM_DEV_POS_EDT; break; } } if (cdm->num_patterns == 0) position_type = CAM_DEV_POS_EDT; else if (position_type == CAM_DEV_POS_NONE) position_type = CAM_DEV_POS_PDRV; } /* * Note that we drop the SIM lock here, because the EDT * traversal code needs to do its own locking. */ CAM_SIM_UNLOCK(xpt_path_sim(cdm->ccb_h.path)); switch(position_type & CAM_DEV_POS_TYPEMASK) { case CAM_DEV_POS_EDT: xptedtmatch(cdm); break; case CAM_DEV_POS_PDRV: xptperiphlistmatch(cdm); break; default: cdm->status = CAM_DEV_MATCH_ERROR; break; } CAM_SIM_LOCK(xpt_path_sim(cdm->ccb_h.path)); if (cdm->status == CAM_DEV_MATCH_ERROR) start_ccb->ccb_h.status = CAM_REQ_CMP_ERR; else start_ccb->ccb_h.status = CAM_REQ_CMP; break; } case XPT_SASYNC_CB: { struct ccb_setasync *csa; struct async_node *cur_entry; struct async_list *async_head; u_int32_t added; csa = &start_ccb->csa; added = csa->event_enable; async_head = &path->device->asyncs; /* * If there is already an entry for us, simply * update it. */ cur_entry = SLIST_FIRST(async_head); while (cur_entry != NULL) { if ((cur_entry->callback_arg == csa->callback_arg) && (cur_entry->callback == csa->callback)) break; cur_entry = SLIST_NEXT(cur_entry, links); } if (cur_entry != NULL) { /* * If the request has no flags set, * remove the entry. */ added &= ~cur_entry->event_enable; if (csa->event_enable == 0) { SLIST_REMOVE(async_head, cur_entry, async_node, links); xpt_release_device(path->device); free(cur_entry, M_CAMXPT); } else { cur_entry->event_enable = csa->event_enable; } csa->event_enable = added; } else { cur_entry = malloc(sizeof(*cur_entry), M_CAMXPT, M_NOWAIT); if (cur_entry == NULL) { csa->ccb_h.status = CAM_RESRC_UNAVAIL; break; } cur_entry->event_enable = csa->event_enable; cur_entry->callback_arg = csa->callback_arg; cur_entry->callback = csa->callback; SLIST_INSERT_HEAD(async_head, cur_entry, links); xpt_acquire_device(path->device); } start_ccb->ccb_h.status = CAM_REQ_CMP; break; } case XPT_REL_SIMQ: { struct ccb_relsim *crs; struct cam_ed *dev; crs = &start_ccb->crs; dev = path->device; if (dev == NULL) { crs->ccb_h.status = CAM_DEV_NOT_THERE; break; } if ((crs->release_flags & RELSIM_ADJUST_OPENINGS) != 0) { /* Don't ever go below one opening */ if (crs->openings > 0) { xpt_dev_ccbq_resize(path, crs->openings); if (bootverbose) { xpt_print(path, "number of openings is now %d\n", crs->openings); } } } if ((crs->release_flags & RELSIM_RELEASE_AFTER_TIMEOUT) != 0) { if ((dev->flags & CAM_DEV_REL_TIMEOUT_PENDING) != 0) { /* * Just extend the old timeout and decrement * the freeze count so that a single timeout * is sufficient for releasing the queue. */ start_ccb->ccb_h.flags &= ~CAM_DEV_QFREEZE; callout_stop(&dev->callout); } else { start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; } callout_reset(&dev->callout, (crs->release_timeout * hz) / 1000, xpt_release_devq_timeout, dev); dev->flags |= CAM_DEV_REL_TIMEOUT_PENDING; } if ((crs->release_flags & RELSIM_RELEASE_AFTER_CMDCMPLT) != 0) { if ((dev->flags & CAM_DEV_REL_ON_COMPLETE) != 0) { /* * Decrement the freeze count so that a single * completion is still sufficient to unfreeze * the queue. */ start_ccb->ccb_h.flags &= ~CAM_DEV_QFREEZE; } else { dev->flags |= CAM_DEV_REL_ON_COMPLETE; start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; } } if ((crs->release_flags & RELSIM_RELEASE_AFTER_QEMPTY) != 0) { if ((dev->flags & CAM_DEV_REL_ON_QUEUE_EMPTY) != 0 || (dev->ccbq.dev_active == 0)) { start_ccb->ccb_h.flags &= ~CAM_DEV_QFREEZE; } else { dev->flags |= CAM_DEV_REL_ON_QUEUE_EMPTY; start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; } } if ((start_ccb->ccb_h.flags & CAM_DEV_QFREEZE) == 0) xpt_release_devq(path, /*count*/1, /*run_queue*/TRUE); start_ccb->crs.qfrozen_cnt = dev->ccbq.queue.qfrozen_cnt; start_ccb->ccb_h.status = CAM_REQ_CMP; break; } case XPT_DEBUG: { struct cam_path *oldpath; struct cam_sim *oldsim; /* Check that all request bits are supported. */ if (start_ccb->cdbg.flags & ~(CAM_DEBUG_COMPILE)) { start_ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; break; } cam_dflags = CAM_DEBUG_NONE; if (cam_dpath != NULL) { /* To release the old path we must hold proper lock. */ oldpath = cam_dpath; cam_dpath = NULL; oldsim = xpt_path_sim(oldpath); CAM_SIM_UNLOCK(xpt_path_sim(start_ccb->ccb_h.path)); CAM_SIM_LOCK(oldsim); xpt_free_path(oldpath); CAM_SIM_UNLOCK(oldsim); CAM_SIM_LOCK(xpt_path_sim(start_ccb->ccb_h.path)); } if (start_ccb->cdbg.flags != CAM_DEBUG_NONE) { if (xpt_create_path(&cam_dpath, NULL, start_ccb->ccb_h.path_id, start_ccb->ccb_h.target_id, start_ccb->ccb_h.target_lun) != CAM_REQ_CMP) { start_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; } else { cam_dflags = start_ccb->cdbg.flags; start_ccb->ccb_h.status = CAM_REQ_CMP; xpt_print(cam_dpath, "debugging flags now %x\n", cam_dflags); } } else start_ccb->ccb_h.status = CAM_REQ_CMP; break; } case XPT_NOOP: if ((start_ccb->ccb_h.flags & CAM_DEV_QFREEZE) != 0) xpt_freeze_devq(path, 1); start_ccb->ccb_h.status = CAM_REQ_CMP; break; default: case XPT_SDEV_TYPE: case XPT_TERM_IO: case XPT_ENG_INQ: /* XXX Implement */ printf("%s: CCB type %#x not supported\n", __func__, start_ccb->ccb_h.func_code); start_ccb->ccb_h.status = CAM_PROVIDE_FAIL; if (start_ccb->ccb_h.func_code & XPT_FC_DEV_QUEUED) { xpt_done(start_ccb); } break; } } void xpt_polled_action(union ccb *start_ccb) { u_int32_t timeout; struct cam_sim *sim; struct cam_devq *devq; struct cam_ed *dev; timeout = start_ccb->ccb_h.timeout * 10; sim = start_ccb->ccb_h.path->bus->sim; devq = sim->devq; dev = start_ccb->ccb_h.path->device; mtx_assert(sim->mtx, MA_OWNED); /* Don't use ISR for this SIM while polling. */ sim->flags |= CAM_SIM_POLLED; /* * Steal an opening so that no other queued requests * can get it before us while we simulate interrupts. */ dev->ccbq.devq_openings--; dev->ccbq.dev_openings--; while(((devq != NULL && devq->send_openings <= 0) || dev->ccbq.dev_openings < 0) && (--timeout > 0)) { DELAY(100); (*(sim->sim_poll))(sim); camisr_runqueue(sim); } dev->ccbq.devq_openings++; dev->ccbq.dev_openings++; if (timeout != 0) { xpt_action(start_ccb); while(--timeout > 0) { (*(sim->sim_poll))(sim); camisr_runqueue(sim); if ((start_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) break; DELAY(100); } if (timeout == 0) { /* * XXX Is it worth adding a sim_timeout entry * point so we can attempt recovery? If * this is only used for dumps, I don't think * it is. */ start_ccb->ccb_h.status = CAM_CMD_TIMEOUT; } } else { start_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; } /* We will use CAM ISR for this SIM again. */ sim->flags &= ~CAM_SIM_POLLED; } /* * Schedule a peripheral driver to receive a ccb when it's * target device has space for more transactions. */ void xpt_schedule(struct cam_periph *perph, u_int32_t new_priority) { struct cam_ed *device; int runq = 0; mtx_assert(perph->sim->mtx, MA_OWNED); CAM_DEBUG(perph->path, CAM_DEBUG_TRACE, ("xpt_schedule\n")); device = perph->path->device; if (periph_is_queued(perph)) { /* Simply reorder based on new priority */ CAM_DEBUG(perph->path, CAM_DEBUG_SUBTRACE, (" change priority to %d\n", new_priority)); if (new_priority < perph->pinfo.priority) { camq_change_priority(&device->drvq, perph->pinfo.index, new_priority); runq = 1; } } else { /* New entry on the queue */ CAM_DEBUG(perph->path, CAM_DEBUG_SUBTRACE, (" added periph to queue\n")); perph->pinfo.priority = new_priority; perph->pinfo.generation = ++device->drvq.generation; camq_insert(&device->drvq, &perph->pinfo); runq = 1; } if (runq != 0) { CAM_DEBUG(perph->path, CAM_DEBUG_SUBTRACE, (" calling xpt_run_dev_allocq\n")); xpt_run_dev_allocq(device); } } /* * Schedule a device to run on a given queue. * If the device was inserted as a new entry on the queue, * return 1 meaning the device queue should be run. If we * were already queued, implying someone else has already * started the queue, return 0 so the caller doesn't attempt * to run the queue. */ int xpt_schedule_dev(struct camq *queue, cam_pinfo *pinfo, u_int32_t new_priority) { int retval; u_int32_t old_priority; CAM_DEBUG_PRINT(CAM_DEBUG_XPT, ("xpt_schedule_dev\n")); old_priority = pinfo->priority; /* * Are we already queued? */ if (pinfo->index != CAM_UNQUEUED_INDEX) { /* Simply reorder based on new priority */ if (new_priority < old_priority) { camq_change_priority(queue, pinfo->index, new_priority); CAM_DEBUG_PRINT(CAM_DEBUG_XPT, ("changed priority to %d\n", new_priority)); retval = 1; } else retval = 0; } else { /* New entry on the queue */ if (new_priority < old_priority) pinfo->priority = new_priority; CAM_DEBUG_PRINT(CAM_DEBUG_XPT, ("Inserting onto queue\n")); pinfo->generation = ++queue->generation; camq_insert(queue, pinfo); retval = 1; } return (retval); } static void xpt_run_dev_allocq(struct cam_ed *device) { struct camq *drvq; if (device->ccbq.devq_allocating) return; device->ccbq.devq_allocating = 1; CAM_DEBUG_PRINT(CAM_DEBUG_XPT, ("xpt_run_dev_allocq(%p)\n", device)); drvq = &device->drvq; while ((drvq->entries > 0) && (device->ccbq.devq_openings > 0 || CAMQ_GET_PRIO(drvq) <= CAM_PRIORITY_OOB) && (device->ccbq.queue.qfrozen_cnt == 0)) { union ccb *work_ccb; struct cam_periph *drv; KASSERT(drvq->entries > 0, ("xpt_run_dev_allocq: " "Device on queue without any work to do")); if ((work_ccb = xpt_get_ccb(device)) != NULL) { drv = (struct cam_periph*)camq_remove(drvq, CAMQ_HEAD); xpt_setup_ccb(&work_ccb->ccb_h, drv->path, drv->pinfo.priority); CAM_DEBUG_PRINT(CAM_DEBUG_XPT, ("calling periph start\n")); drv->periph_start(drv, work_ccb); } else { /* * Malloc failure in alloc_ccb */ /* * XXX add us to a list to be run from free_ccb * if we don't have any ccbs active on this * device queue otherwise we may never get run * again. */ break; } } device->ccbq.devq_allocating = 0; } static void xpt_run_devq(struct cam_devq *devq) { char cdb_str[(SCSI_MAX_CDBLEN * 3) + 1]; CAM_DEBUG_PRINT(CAM_DEBUG_XPT, ("xpt_run_devq\n")); devq->send_queue.qfrozen_cnt++; while ((devq->send_queue.entries > 0) && (devq->send_openings > 0) && (devq->send_queue.qfrozen_cnt <= 1)) { struct cam_ed_qinfo *qinfo; struct cam_ed *device; union ccb *work_ccb; struct cam_sim *sim; qinfo = (struct cam_ed_qinfo *)camq_remove(&devq->send_queue, CAMQ_HEAD); device = qinfo->device; CAM_DEBUG_PRINT(CAM_DEBUG_XPT, ("running device %p\n", device)); work_ccb = cam_ccbq_peek_ccb(&device->ccbq, CAMQ_HEAD); if (work_ccb == NULL) { printf("device on run queue with no ccbs???\n"); continue; } if ((work_ccb->ccb_h.flags & CAM_HIGH_POWER) != 0) { mtx_lock(&xsoftc.xpt_lock); if (xsoftc.num_highpower <= 0) { /* * We got a high power command, but we * don't have any available slots. Freeze * the device queue until we have a slot * available. */ xpt_freeze_devq(work_ccb->ccb_h.path, 1); STAILQ_INSERT_TAIL(&xsoftc.highpowerq, work_ccb->ccb_h.path->device, highpowerq_entry); mtx_unlock(&xsoftc.xpt_lock); continue; } else { /* * Consume a high power slot while * this ccb runs. */ xsoftc.num_highpower--; } mtx_unlock(&xsoftc.xpt_lock); } cam_ccbq_remove_ccb(&device->ccbq, work_ccb); cam_ccbq_send_ccb(&device->ccbq, work_ccb); devq->send_openings--; devq->send_active++; xpt_schedule_devq(devq, device); if ((work_ccb->ccb_h.flags & CAM_DEV_QFREEZE) != 0) { /* * The client wants to freeze the queue * after this CCB is sent. */ xpt_freeze_devq(work_ccb->ccb_h.path, 1); } /* In Target mode, the peripheral driver knows best... */ if (work_ccb->ccb_h.func_code == XPT_SCSI_IO) { if ((device->inq_flags & SID_CmdQue) != 0 && work_ccb->csio.tag_action != CAM_TAG_ACTION_NONE) work_ccb->ccb_h.flags |= CAM_TAG_ACTION_VALID; else /* * Clear this in case of a retried CCB that * failed due to a rejected tag. */ work_ccb->ccb_h.flags &= ~CAM_TAG_ACTION_VALID; } switch (work_ccb->ccb_h.func_code) { case XPT_SCSI_IO: CAM_DEBUG(work_ccb->ccb_h.path, CAM_DEBUG_CDB,("%s. CDB: %s\n", scsi_op_desc(work_ccb->csio.cdb_io.cdb_bytes[0], &device->inq_data), scsi_cdb_string(work_ccb->csio.cdb_io.cdb_bytes, cdb_str, sizeof(cdb_str)))); break; case XPT_ATA_IO: CAM_DEBUG(work_ccb->ccb_h.path, CAM_DEBUG_CDB,("%s. ACB: %s\n", ata_op_string(&work_ccb->ataio.cmd), ata_cmd_string(&work_ccb->ataio.cmd, cdb_str, sizeof(cdb_str)))); break; default: break; } /* * Device queues can be shared among multiple sim instances * that reside on different busses. Use the SIM in the queue * CCB's path, rather than the one in the bus that was passed * into this function. */ sim = work_ccb->ccb_h.path->bus->sim; (*(sim->sim_action))(sim, work_ccb); } devq->send_queue.qfrozen_cnt--; } /* * This function merges stuff from the slave ccb into the master ccb, while * keeping important fields in the master ccb constant. */ void xpt_merge_ccb(union ccb *master_ccb, union ccb *slave_ccb) { /* * Pull fields that are valid for peripheral drivers to set * into the master CCB along with the CCB "payload". */ master_ccb->ccb_h.retry_count = slave_ccb->ccb_h.retry_count; master_ccb->ccb_h.func_code = slave_ccb->ccb_h.func_code; master_ccb->ccb_h.timeout = slave_ccb->ccb_h.timeout; master_ccb->ccb_h.flags = slave_ccb->ccb_h.flags; bcopy(&(&slave_ccb->ccb_h)[1], &(&master_ccb->ccb_h)[1], sizeof(union ccb) - sizeof(struct ccb_hdr)); } void xpt_setup_ccb(struct ccb_hdr *ccb_h, struct cam_path *path, u_int32_t priority) { CAM_DEBUG(path, CAM_DEBUG_TRACE, ("xpt_setup_ccb\n")); ccb_h->pinfo.priority = priority; ccb_h->path = path; ccb_h->path_id = path->bus->path_id; if (path->target) ccb_h->target_id = path->target->target_id; else ccb_h->target_id = CAM_TARGET_WILDCARD; if (path->device) { ccb_h->target_lun = path->device->lun_id; ccb_h->pinfo.generation = ++path->device->ccbq.queue.generation; } else { ccb_h->target_lun = CAM_TARGET_WILDCARD; } ccb_h->pinfo.index = CAM_UNQUEUED_INDEX; ccb_h->flags = 0; } /* Path manipulation functions */ cam_status xpt_create_path(struct cam_path **new_path_ptr, struct cam_periph *perph, path_id_t path_id, target_id_t target_id, lun_id_t lun_id) { struct cam_path *path; cam_status status; path = (struct cam_path *)malloc(sizeof(*path), M_CAMPATH, M_NOWAIT); if (path == NULL) { status = CAM_RESRC_UNAVAIL; return(status); } status = xpt_compile_path(path, perph, path_id, target_id, lun_id); if (status != CAM_REQ_CMP) { free(path, M_CAMPATH); path = NULL; } *new_path_ptr = path; return (status); } cam_status xpt_create_path_unlocked(struct cam_path **new_path_ptr, struct cam_periph *periph, path_id_t path_id, target_id_t target_id, lun_id_t lun_id) { struct cam_path *path; struct cam_eb *bus = NULL; cam_status status; path = (struct cam_path *)malloc(sizeof(*path), M_CAMPATH, M_WAITOK); bus = xpt_find_bus(path_id); if (bus != NULL) CAM_SIM_LOCK(bus->sim); status = xpt_compile_path(path, periph, path_id, target_id, lun_id); if (bus != NULL) { CAM_SIM_UNLOCK(bus->sim); xpt_release_bus(bus); } if (status != CAM_REQ_CMP) { free(path, M_CAMPATH); path = NULL; } *new_path_ptr = path; return (status); } cam_status xpt_compile_path(struct cam_path *new_path, struct cam_periph *perph, path_id_t path_id, target_id_t target_id, lun_id_t lun_id) { struct cam_eb *bus; struct cam_et *target; struct cam_ed *device; cam_status status; status = CAM_REQ_CMP; /* Completed without error */ target = NULL; /* Wildcarded */ device = NULL; /* Wildcarded */ /* * We will potentially modify the EDT, so block interrupts * that may attempt to create cam paths. */ bus = xpt_find_bus(path_id); if (bus == NULL) { status = CAM_PATH_INVALID; } else { target = xpt_find_target(bus, target_id); if (target == NULL) { /* Create one */ struct cam_et *new_target; new_target = xpt_alloc_target(bus, target_id); if (new_target == NULL) { status = CAM_RESRC_UNAVAIL; } else { target = new_target; } } if (target != NULL) { device = xpt_find_device(target, lun_id); if (device == NULL) { /* Create one */ struct cam_ed *new_device; new_device = (*(bus->xport->alloc_device))(bus, target, lun_id); if (new_device == NULL) { status = CAM_RESRC_UNAVAIL; } else { device = new_device; } } } } /* * Only touch the user's data if we are successful. */ if (status == CAM_REQ_CMP) { new_path->periph = perph; new_path->bus = bus; new_path->target = target; new_path->device = device; CAM_DEBUG(new_path, CAM_DEBUG_TRACE, ("xpt_compile_path\n")); } else { if (device != NULL) xpt_release_device(device); if (target != NULL) xpt_release_target(target); if (bus != NULL) xpt_release_bus(bus); } return (status); } void xpt_release_path(struct cam_path *path) { CAM_DEBUG(path, CAM_DEBUG_TRACE, ("xpt_release_path\n")); if (path->device != NULL) { xpt_release_device(path->device); path->device = NULL; } if (path->target != NULL) { xpt_release_target(path->target); path->target = NULL; } if (path->bus != NULL) { xpt_release_bus(path->bus); path->bus = NULL; } } void xpt_free_path(struct cam_path *path) { CAM_DEBUG(path, CAM_DEBUG_TRACE, ("xpt_free_path\n")); xpt_release_path(path); free(path, M_CAMPATH); } void xpt_path_counts(struct cam_path *path, uint32_t *bus_ref, uint32_t *periph_ref, uint32_t *target_ref, uint32_t *device_ref) { xpt_lock_buses(); if (bus_ref) { if (path->bus) *bus_ref = path->bus->refcount; else *bus_ref = 0; } if (periph_ref) { if (path->periph) *periph_ref = path->periph->refcount; else *periph_ref = 0; } xpt_unlock_buses(); if (target_ref) { if (path->target) *target_ref = path->target->refcount; else *target_ref = 0; } if (device_ref) { if (path->device) *device_ref = path->device->refcount; else *device_ref = 0; } } /* * Return -1 for failure, 0 for exact match, 1 for match with wildcards * in path1, 2 for match with wildcards in path2. */ int xpt_path_comp(struct cam_path *path1, struct cam_path *path2) { int retval = 0; if (path1->bus != path2->bus) { if (path1->bus->path_id == CAM_BUS_WILDCARD) retval = 1; else if (path2->bus->path_id == CAM_BUS_WILDCARD) retval = 2; else return (-1); } if (path1->target != path2->target) { if (path1->target->target_id == CAM_TARGET_WILDCARD) { if (retval == 0) retval = 1; } else if (path2->target->target_id == CAM_TARGET_WILDCARD) retval = 2; else return (-1); } if (path1->device != path2->device) { if (path1->device->lun_id == CAM_LUN_WILDCARD) { if (retval == 0) retval = 1; } else if (path2->device->lun_id == CAM_LUN_WILDCARD) retval = 2; else return (-1); } return (retval); } int xpt_path_comp_dev(struct cam_path *path, struct cam_ed *dev) { int retval = 0; if (path->bus != dev->target->bus) { if (path->bus->path_id == CAM_BUS_WILDCARD) retval = 1; else if (dev->target->bus->path_id == CAM_BUS_WILDCARD) retval = 2; else return (-1); } if (path->target != dev->target) { if (path->target->target_id == CAM_TARGET_WILDCARD) { if (retval == 0) retval = 1; } else if (dev->target->target_id == CAM_TARGET_WILDCARD) retval = 2; else return (-1); } if (path->device != dev) { if (path->device->lun_id == CAM_LUN_WILDCARD) { if (retval == 0) retval = 1; } else if (dev->lun_id == CAM_LUN_WILDCARD) retval = 2; else return (-1); } return (retval); } void xpt_print_path(struct cam_path *path) { if (path == NULL) printf("(nopath): "); else { if (path->periph != NULL) printf("(%s%d:", path->periph->periph_name, path->periph->unit_number); else printf("(noperiph:"); if (path->bus != NULL) printf("%s%d:%d:", path->bus->sim->sim_name, path->bus->sim->unit_number, path->bus->sim->bus_id); else printf("nobus:"); if (path->target != NULL) printf("%d:", path->target->target_id); else printf("X:"); if (path->device != NULL) printf("%d): ", path->device->lun_id); else printf("X): "); } } void xpt_print_device(struct cam_ed *device) { if (device == NULL) printf("(nopath): "); else { printf("(noperiph:%s%d:%d:%d:%d): ", device->sim->sim_name, device->sim->unit_number, device->sim->bus_id, device->target->target_id, device->lun_id); } } void xpt_print(struct cam_path *path, const char *fmt, ...) { va_list ap; xpt_print_path(path); va_start(ap, fmt); vprintf(fmt, ap); va_end(ap); } int xpt_path_string(struct cam_path *path, char *str, size_t str_len) { struct sbuf sb; #ifdef INVARIANTS if (path != NULL && path->bus != NULL) mtx_assert(path->bus->sim->mtx, MA_OWNED); #endif sbuf_new(&sb, str, str_len, 0); if (path == NULL) sbuf_printf(&sb, "(nopath): "); else { if (path->periph != NULL) sbuf_printf(&sb, "(%s%d:", path->periph->periph_name, path->periph->unit_number); else sbuf_printf(&sb, "(noperiph:"); if (path->bus != NULL) sbuf_printf(&sb, "%s%d:%d:", path->bus->sim->sim_name, path->bus->sim->unit_number, path->bus->sim->bus_id); else sbuf_printf(&sb, "nobus:"); if (path->target != NULL) sbuf_printf(&sb, "%d:", path->target->target_id); else sbuf_printf(&sb, "X:"); if (path->device != NULL) sbuf_printf(&sb, "%d): ", path->device->lun_id); else sbuf_printf(&sb, "X): "); } sbuf_finish(&sb); return(sbuf_len(&sb)); } path_id_t xpt_path_path_id(struct cam_path *path) { return(path->bus->path_id); } target_id_t xpt_path_target_id(struct cam_path *path) { if (path->target != NULL) return (path->target->target_id); else return (CAM_TARGET_WILDCARD); } lun_id_t xpt_path_lun_id(struct cam_path *path) { if (path->device != NULL) return (path->device->lun_id); else return (CAM_LUN_WILDCARD); } struct cam_sim * xpt_path_sim(struct cam_path *path) { return (path->bus->sim); } struct cam_periph* xpt_path_periph(struct cam_path *path) { mtx_assert(path->bus->sim->mtx, MA_OWNED); return (path->periph); } int xpt_path_legacy_ata_id(struct cam_path *path) { struct cam_eb *bus; int bus_id; if ((strcmp(path->bus->sim->sim_name, "ata") != 0) && strcmp(path->bus->sim->sim_name, "ahcich") != 0 && strcmp(path->bus->sim->sim_name, "mvsch") != 0 && strcmp(path->bus->sim->sim_name, "siisch") != 0) return (-1); if (strcmp(path->bus->sim->sim_name, "ata") == 0 && path->bus->sim->unit_number < 2) { bus_id = path->bus->sim->unit_number; } else { bus_id = 2; xpt_lock_buses(); TAILQ_FOREACH(bus, &xsoftc.xpt_busses, links) { if (bus == path->bus) break; if ((strcmp(bus->sim->sim_name, "ata") == 0 && bus->sim->unit_number >= 2) || strcmp(bus->sim->sim_name, "ahcich") == 0 || strcmp(bus->sim->sim_name, "mvsch") == 0 || strcmp(bus->sim->sim_name, "siisch") == 0) bus_id++; } xpt_unlock_buses(); } if (path->target != NULL) { if (path->target->target_id < 2) return (bus_id * 2 + path->target->target_id); else return (-1); } else return (bus_id * 2); } /* * Release a CAM control block for the caller. Remit the cost of the structure * to the device referenced by the path. If the this device had no 'credits' * and peripheral drivers have registered async callbacks for this notification * call them now. */ void xpt_release_ccb(union ccb *free_ccb) { struct cam_path *path; struct cam_ed *device; struct cam_eb *bus; struct cam_sim *sim; CAM_DEBUG_PRINT(CAM_DEBUG_XPT, ("xpt_release_ccb\n")); path = free_ccb->ccb_h.path; device = path->device; bus = path->bus; sim = bus->sim; mtx_assert(sim->mtx, MA_OWNED); cam_ccbq_release_opening(&device->ccbq); if (sim->ccb_count > sim->max_ccbs) { xpt_free_ccb(free_ccb); sim->ccb_count--; } else { SLIST_INSERT_HEAD(&sim->ccb_freeq, &free_ccb->ccb_h, xpt_links.sle); } xpt_run_dev_allocq(device); } /* Functions accessed by SIM drivers */ static struct xpt_xport xport_default = { .alloc_device = xpt_alloc_device_default, .action = xpt_action_default, .async = xpt_dev_async_default, }; /* * A sim structure, listing the SIM entry points and instance * identification info is passed to xpt_bus_register to hook the SIM * into the CAM framework. xpt_bus_register creates a cam_eb entry * for this new bus and places it in the array of busses and assigns * it a path_id. The path_id may be influenced by "hard wiring" * information specified by the user. Once interrupt services are * available, the bus will be probed. */ int32_t xpt_bus_register(struct cam_sim *sim, device_t parent, u_int32_t bus) { struct cam_eb *new_bus; struct cam_eb *old_bus; struct ccb_pathinq cpi; struct cam_path *path; cam_status status; mtx_assert(sim->mtx, MA_OWNED); sim->bus_id = bus; new_bus = (struct cam_eb *)malloc(sizeof(*new_bus), M_CAMXPT, M_NOWAIT); if (new_bus == NULL) { /* Couldn't satisfy request */ return (CAM_RESRC_UNAVAIL); } TAILQ_INIT(&new_bus->et_entries); cam_sim_hold(sim); new_bus->sim = sim; timevalclear(&new_bus->last_reset); new_bus->flags = 0; new_bus->refcount = 1; /* Held until a bus_deregister event */ new_bus->generation = 0; xpt_lock_buses(); sim->path_id = new_bus->path_id = xptpathid(sim->sim_name, sim->unit_number, sim->bus_id); old_bus = TAILQ_FIRST(&xsoftc.xpt_busses); while (old_bus != NULL && old_bus->path_id < new_bus->path_id) old_bus = TAILQ_NEXT(old_bus, links); if (old_bus != NULL) TAILQ_INSERT_BEFORE(old_bus, new_bus, links); else TAILQ_INSERT_TAIL(&xsoftc.xpt_busses, new_bus, links); xsoftc.bus_generation++; xpt_unlock_buses(); /* * Set a default transport so that a PATH_INQ can be issued to * the SIM. This will then allow for probing and attaching of * a more appropriate transport. */ new_bus->xport = &xport_default; status = xpt_create_path(&path, /*periph*/NULL, sim->path_id, CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); if (status != CAM_REQ_CMP) { xpt_release_bus(new_bus); free(path, M_CAMXPT); return (CAM_RESRC_UNAVAIL); } xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); cpi.ccb_h.func_code = XPT_PATH_INQ; xpt_action((union ccb *)&cpi); if (cpi.ccb_h.status == CAM_REQ_CMP) { switch (cpi.transport) { case XPORT_SPI: case XPORT_SAS: case XPORT_FC: case XPORT_USB: case XPORT_ISCSI: case XPORT_PPB: new_bus->xport = scsi_get_xport(); break; case XPORT_ATA: case XPORT_SATA: new_bus->xport = ata_get_xport(); break; default: new_bus->xport = &xport_default; break; } } /* Notify interested parties */ if (sim->path_id != CAM_XPT_PATH_ID) { xpt_async(AC_PATH_REGISTERED, path, &cpi); if ((cpi.hba_misc & PIM_NOSCAN) == 0) { union ccb *scan_ccb; /* Initiate bus rescan. */ scan_ccb = xpt_alloc_ccb_nowait(); if (scan_ccb != NULL) { scan_ccb->ccb_h.path = path; scan_ccb->ccb_h.func_code = XPT_SCAN_BUS; scan_ccb->crcn.flags = 0; xpt_rescan(scan_ccb); } else xpt_print(path, "Can't allocate CCB to scan bus\n"); } else xpt_free_path(path); } else xpt_free_path(path); return (CAM_SUCCESS); } int32_t xpt_bus_deregister(path_id_t pathid) { struct cam_path bus_path; cam_status status; status = xpt_compile_path(&bus_path, NULL, pathid, CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); if (status != CAM_REQ_CMP) return (status); xpt_async(AC_LOST_DEVICE, &bus_path, NULL); xpt_async(AC_PATH_DEREGISTERED, &bus_path, NULL); /* Release the reference count held while registered. */ xpt_release_bus(bus_path.bus); xpt_release_path(&bus_path); return (CAM_REQ_CMP); } static path_id_t xptnextfreepathid(void) { struct cam_eb *bus; path_id_t pathid; const char *strval; mtx_assert(&xsoftc.xpt_topo_lock, MA_OWNED); pathid = 0; bus = TAILQ_FIRST(&xsoftc.xpt_busses); retry: /* Find an unoccupied pathid */ while (bus != NULL && bus->path_id <= pathid) { if (bus->path_id == pathid) pathid++; bus = TAILQ_NEXT(bus, links); } /* * Ensure that this pathid is not reserved for * a bus that may be registered in the future. */ if (resource_string_value("scbus", pathid, "at", &strval) == 0) { ++pathid; /* Start the search over */ goto retry; } return (pathid); } static path_id_t xptpathid(const char *sim_name, int sim_unit, int sim_bus) { path_id_t pathid; int i, dunit, val; char buf[32]; const char *dname; pathid = CAM_XPT_PATH_ID; snprintf(buf, sizeof(buf), "%s%d", sim_name, sim_unit); if (strcmp(buf, "xpt0") == 0 && sim_bus == 0) return (pathid); i = 0; while ((resource_find_match(&i, &dname, &dunit, "at", buf)) == 0) { if (strcmp(dname, "scbus")) { /* Avoid a bit of foot shooting. */ continue; } if (dunit < 0) /* unwired?! */ continue; if (resource_int_value("scbus", dunit, "bus", &val) == 0) { if (sim_bus == val) { pathid = dunit; break; } } else if (sim_bus == 0) { /* Unspecified matches bus 0 */ pathid = dunit; break; } else { printf("Ambiguous scbus configuration for %s%d " "bus %d, cannot wire down. The kernel " "config entry for scbus%d should " "specify a controller bus.\n" "Scbus will be assigned dynamically.\n", sim_name, sim_unit, sim_bus, dunit); break; } } if (pathid == CAM_XPT_PATH_ID) pathid = xptnextfreepathid(); return (pathid); } static const char * xpt_async_string(u_int32_t async_code) { switch (async_code) { case AC_BUS_RESET: return ("AC_BUS_RESET"); case AC_UNSOL_RESEL: return ("AC_UNSOL_RESEL"); case AC_SCSI_AEN: return ("AC_SCSI_AEN"); case AC_SENT_BDR: return ("AC_SENT_BDR"); case AC_PATH_REGISTERED: return ("AC_PATH_REGISTERED"); case AC_PATH_DEREGISTERED: return ("AC_PATH_DEREGISTERED"); case AC_FOUND_DEVICE: return ("AC_FOUND_DEVICE"); case AC_LOST_DEVICE: return ("AC_LOST_DEVICE"); case AC_TRANSFER_NEG: return ("AC_TRANSFER_NEG"); case AC_INQ_CHANGED: return ("AC_INQ_CHANGED"); case AC_GETDEV_CHANGED: return ("AC_GETDEV_CHANGED"); case AC_CONTRACT: return ("AC_CONTRACT"); case AC_ADVINFO_CHANGED: return ("AC_ADVINFO_CHANGED"); case AC_UNIT_ATTENTION: return ("AC_UNIT_ATTENTION"); } return ("AC_UNKNOWN"); } void xpt_async(u_int32_t async_code, struct cam_path *path, void *async_arg) { struct cam_eb *bus; struct cam_et *target, *next_target; struct cam_ed *device, *next_device; mtx_assert(path->bus->sim->mtx, MA_OWNED); CAM_DEBUG(path, CAM_DEBUG_TRACE | CAM_DEBUG_INFO, ("xpt_async(%s)\n", xpt_async_string(async_code))); /* * Most async events come from a CAM interrupt context. In * a few cases, the error recovery code at the peripheral layer, * which may run from our SWI or a process context, may signal * deferred events with a call to xpt_async. */ bus = path->bus; if (async_code == AC_BUS_RESET) { /* Update our notion of when the last reset occurred */ microtime(&bus->last_reset); } for (target = TAILQ_FIRST(&bus->et_entries); target != NULL; target = next_target) { next_target = TAILQ_NEXT(target, links); if (path->target != target && path->target->target_id != CAM_TARGET_WILDCARD && target->target_id != CAM_TARGET_WILDCARD) continue; if (async_code == AC_SENT_BDR) { /* Update our notion of when the last reset occurred */ microtime(&path->target->last_reset); } for (device = TAILQ_FIRST(&target->ed_entries); device != NULL; device = next_device) { next_device = TAILQ_NEXT(device, links); if (path->device != device && path->device->lun_id != CAM_LUN_WILDCARD && device->lun_id != CAM_LUN_WILDCARD) continue; /* * The async callback could free the device. * If it is a broadcast async, it doesn't hold * device reference, so take our own reference. */ xpt_acquire_device(device); (*(bus->xport->async))(async_code, bus, target, device, async_arg); xpt_async_bcast(&device->asyncs, async_code, path, async_arg); xpt_release_device(device); } } /* * If this wasn't a fully wildcarded async, tell all * clients that want all async events. */ if (bus != xpt_periph->path->bus) xpt_async_bcast(&xpt_periph->path->device->asyncs, async_code, path, async_arg); } static void xpt_async_bcast(struct async_list *async_head, u_int32_t async_code, struct cam_path *path, void *async_arg) { struct async_node *cur_entry; cur_entry = SLIST_FIRST(async_head); while (cur_entry != NULL) { struct async_node *next_entry; /* * Grab the next list entry before we call the current * entry's callback. This is because the callback function * can delete its async callback entry. */ next_entry = SLIST_NEXT(cur_entry, links); if ((cur_entry->event_enable & async_code) != 0) cur_entry->callback(cur_entry->callback_arg, async_code, path, async_arg); cur_entry = next_entry; } } static void xpt_dev_async_default(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, struct cam_ed *device, void *async_arg) { printf("%s called\n", __func__); } u_int32_t xpt_freeze_devq(struct cam_path *path, u_int count) { struct cam_ed *dev = path->device; mtx_assert(path->bus->sim->mtx, MA_OWNED); CAM_DEBUG(path, CAM_DEBUG_TRACE, ("xpt_freeze_devq() %u->%u\n", dev->ccbq.queue.qfrozen_cnt, dev->ccbq.queue.qfrozen_cnt + count)); dev->ccbq.queue.qfrozen_cnt += count; /* Remove frozen device from sendq. */ if (device_is_queued(dev)) { camq_remove(&dev->sim->devq->send_queue, dev->devq_entry.pinfo.index); } return (dev->ccbq.queue.qfrozen_cnt); } u_int32_t xpt_freeze_simq(struct cam_sim *sim, u_int count) { mtx_assert(sim->mtx, MA_OWNED); sim->devq->send_queue.qfrozen_cnt += count; return (sim->devq->send_queue.qfrozen_cnt); } static void xpt_release_devq_timeout(void *arg) { struct cam_ed *device; device = (struct cam_ed *)arg; CAM_DEBUG_DEV(device, CAM_DEBUG_TRACE, ("xpt_release_devq_timeout\n")); xpt_release_devq_device(device, /*count*/1, /*run_queue*/TRUE); } void xpt_release_devq(struct cam_path *path, u_int count, int run_queue) { mtx_assert(path->bus->sim->mtx, MA_OWNED); CAM_DEBUG(path, CAM_DEBUG_TRACE, ("xpt_release_devq(%d, %d)\n", count, run_queue)); xpt_release_devq_device(path->device, count, run_queue); } void xpt_release_devq_device(struct cam_ed *dev, u_int count, int run_queue) { CAM_DEBUG_DEV(dev, CAM_DEBUG_TRACE, ("xpt_release_devq_device(%d, %d) %u->%u\n", count, run_queue, dev->ccbq.queue.qfrozen_cnt, dev->ccbq.queue.qfrozen_cnt - count)); if (count > dev->ccbq.queue.qfrozen_cnt) { #ifdef INVARIANTS printf("xpt_release_devq(): requested %u > present %u\n", count, dev->ccbq.queue.qfrozen_cnt); #endif count = dev->ccbq.queue.qfrozen_cnt; } dev->ccbq.queue.qfrozen_cnt -= count; if (dev->ccbq.queue.qfrozen_cnt == 0) { /* * No longer need to wait for a successful * command completion. */ dev->flags &= ~CAM_DEV_REL_ON_COMPLETE; /* * Remove any timeouts that might be scheduled * to release this queue. */ if ((dev->flags & CAM_DEV_REL_TIMEOUT_PENDING) != 0) { callout_stop(&dev->callout); dev->flags &= ~CAM_DEV_REL_TIMEOUT_PENDING; } xpt_run_dev_allocq(dev); if (run_queue == 0) return; /* * Now that we are unfrozen schedule the * device so any pending transactions are * run. */ if (xpt_schedule_devq(dev->sim->devq, dev)) xpt_run_devq(dev->sim->devq); } } void xpt_release_simq(struct cam_sim *sim, int run_queue) { struct camq *sendq; mtx_assert(sim->mtx, MA_OWNED); sendq = &(sim->devq->send_queue); if (sendq->qfrozen_cnt <= 0) { #ifdef INVARIANTS printf("xpt_release_simq: requested 1 > present %u\n", sendq->qfrozen_cnt); #endif } else sendq->qfrozen_cnt--; if (sendq->qfrozen_cnt == 0) { /* * If there is a timeout scheduled to release this * sim queue, remove it. The queue frozen count is * already at 0. */ if ((sim->flags & CAM_SIM_REL_TIMEOUT_PENDING) != 0){ callout_stop(&sim->callout); sim->flags &= ~CAM_SIM_REL_TIMEOUT_PENDING; } if (run_queue) { /* * Now that we are unfrozen run the send queue. */ xpt_run_devq(sim->devq); } } } /* * XXX Appears to be unused. */ static void xpt_release_simq_timeout(void *arg) { struct cam_sim *sim; sim = (struct cam_sim *)arg; xpt_release_simq(sim, /* run_queue */ TRUE); } void xpt_done(union ccb *done_ccb) { struct cam_sim *sim; int first; CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("xpt_done\n")); if ((done_ccb->ccb_h.func_code & XPT_FC_QUEUED) != 0) { /* * Queue up the request for handling by our SWI handler * any of the "non-immediate" type of ccbs. */ sim = done_ccb->ccb_h.path->bus->sim; TAILQ_INSERT_TAIL(&sim->sim_doneq, &done_ccb->ccb_h, sim_links.tqe); done_ccb->ccb_h.pinfo.index = CAM_DONEQ_INDEX; if ((sim->flags & (CAM_SIM_ON_DONEQ | CAM_SIM_POLLED | CAM_SIM_BATCH)) == 0) { mtx_lock(&cam_simq_lock); first = TAILQ_EMPTY(&cam_simq); TAILQ_INSERT_TAIL(&cam_simq, sim, links); mtx_unlock(&cam_simq_lock); sim->flags |= CAM_SIM_ON_DONEQ; if (first) swi_sched(cambio_ih, 0); } } } void xpt_batch_start(struct cam_sim *sim) { KASSERT((sim->flags & CAM_SIM_BATCH) == 0, ("Batch flag already set")); sim->flags |= CAM_SIM_BATCH; } void xpt_batch_done(struct cam_sim *sim) { KASSERT((sim->flags & CAM_SIM_BATCH) != 0, ("Batch flag was not set")); sim->flags &= ~CAM_SIM_BATCH; if (!TAILQ_EMPTY(&sim->sim_doneq) && (sim->flags & CAM_SIM_ON_DONEQ) == 0) camisr_runqueue(sim); } union ccb * xpt_alloc_ccb() { union ccb *new_ccb; new_ccb = malloc(sizeof(*new_ccb), M_CAMCCB, M_ZERO|M_WAITOK); return (new_ccb); } union ccb * xpt_alloc_ccb_nowait() { union ccb *new_ccb; new_ccb = malloc(sizeof(*new_ccb), M_CAMCCB, M_ZERO|M_NOWAIT); return (new_ccb); } void xpt_free_ccb(union ccb *free_ccb) { free(free_ccb, M_CAMCCB); } /* Private XPT functions */ /* * Get a CAM control block for the caller. Charge the structure to the device * referenced by the path. If the this device has no 'credits' then the * device already has the maximum number of outstanding operations under way * and we return NULL. If we don't have sufficient resources to allocate more * ccbs, we also return NULL. */ static union ccb * xpt_get_ccb(struct cam_ed *device) { union ccb *new_ccb; struct cam_sim *sim; sim = device->sim; if ((new_ccb = (union ccb *)SLIST_FIRST(&sim->ccb_freeq)) == NULL) { new_ccb = xpt_alloc_ccb_nowait(); if (new_ccb == NULL) { return (NULL); } if ((sim->flags & CAM_SIM_MPSAFE) == 0) callout_handle_init(&new_ccb->ccb_h.timeout_ch); SLIST_INSERT_HEAD(&sim->ccb_freeq, &new_ccb->ccb_h, xpt_links.sle); sim->ccb_count++; } cam_ccbq_take_opening(&device->ccbq); SLIST_REMOVE_HEAD(&sim->ccb_freeq, xpt_links.sle); return (new_ccb); } static void xpt_release_bus(struct cam_eb *bus) { xpt_lock_buses(); KASSERT(bus->refcount >= 1, ("bus->refcount >= 1")); if (--bus->refcount > 0) { xpt_unlock_buses(); return; } KASSERT(TAILQ_EMPTY(&bus->et_entries), ("refcount is zero, but target list is not empty")); TAILQ_REMOVE(&xsoftc.xpt_busses, bus, links); xsoftc.bus_generation++; xpt_unlock_buses(); cam_sim_release(bus->sim); free(bus, M_CAMXPT); } static struct cam_et * xpt_alloc_target(struct cam_eb *bus, target_id_t target_id) { struct cam_et *cur_target, *target; mtx_assert(bus->sim->mtx, MA_OWNED); target = (struct cam_et *)malloc(sizeof(*target), M_CAMXPT, M_NOWAIT|M_ZERO); if (target == NULL) return (NULL); TAILQ_INIT(&target->ed_entries); target->bus = bus; target->target_id = target_id; target->refcount = 1; target->generation = 0; target->luns = NULL; timevalclear(&target->last_reset); /* * Hold a reference to our parent bus so it * will not go away before we do. */ xpt_lock_buses(); bus->refcount++; xpt_unlock_buses(); /* Insertion sort into our bus's target list */ cur_target = TAILQ_FIRST(&bus->et_entries); while (cur_target != NULL && cur_target->target_id < target_id) cur_target = TAILQ_NEXT(cur_target, links); if (cur_target != NULL) { TAILQ_INSERT_BEFORE(cur_target, target, links); } else { TAILQ_INSERT_TAIL(&bus->et_entries, target, links); } bus->generation++; return (target); } static void xpt_release_target(struct cam_et *target) { mtx_assert(target->bus->sim->mtx, MA_OWNED); if (--target->refcount > 0) return; KASSERT(TAILQ_EMPTY(&target->ed_entries), ("refcount is zero, but device list is not empty")); TAILQ_REMOVE(&target->bus->et_entries, target, links); target->bus->generation++; xpt_release_bus(target->bus); if (target->luns) free(target->luns, M_CAMXPT); free(target, M_CAMXPT); } static struct cam_ed * xpt_alloc_device_default(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) { struct cam_ed *device; device = xpt_alloc_device(bus, target, lun_id); if (device == NULL) return (NULL); device->mintags = 1; device->maxtags = 1; bus->sim->max_ccbs += device->ccbq.devq_openings; return (device); } struct cam_ed * xpt_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) { struct cam_ed *cur_device, *device; struct cam_devq *devq; cam_status status; mtx_assert(target->bus->sim->mtx, MA_OWNED); /* Make space for us in the device queue on our bus */ devq = bus->sim->devq; status = cam_devq_resize(devq, devq->send_queue.array_size + 1); if (status != CAM_REQ_CMP) return (NULL); device = (struct cam_ed *)malloc(sizeof(*device), M_CAMDEV, M_NOWAIT|M_ZERO); if (device == NULL) return (NULL); cam_init_pinfo(&device->devq_entry.pinfo); device->devq_entry.device = device; device->target = target; device->lun_id = lun_id; device->sim = bus->sim; /* Initialize our queues */ if (camq_init(&device->drvq, 0) != 0) { free(device, M_CAMDEV); return (NULL); } if (cam_ccbq_init(&device->ccbq, bus->sim->max_dev_openings) != 0) { camq_fini(&device->drvq); free(device, M_CAMDEV); return (NULL); } SLIST_INIT(&device->asyncs); SLIST_INIT(&device->periphs); device->generation = 0; device->owner = NULL; device->flags = CAM_DEV_UNCONFIGURED; device->tag_delay_count = 0; device->tag_saved_openings = 0; device->refcount = 1; callout_init_mtx(&device->callout, bus->sim->mtx, 0); cur_device = TAILQ_FIRST(&target->ed_entries); while (cur_device != NULL && cur_device->lun_id < lun_id) cur_device = TAILQ_NEXT(cur_device, links); if (cur_device != NULL) TAILQ_INSERT_BEFORE(cur_device, device, links); else TAILQ_INSERT_TAIL(&target->ed_entries, device, links); target->refcount++; target->generation++; return (device); } void xpt_acquire_device(struct cam_ed *device) { mtx_assert(device->sim->mtx, MA_OWNED); device->refcount++; } void xpt_release_device(struct cam_ed *device) { struct cam_devq *devq; mtx_assert(device->sim->mtx, MA_OWNED); if (--device->refcount > 0) return; KASSERT(SLIST_EMPTY(&device->periphs), ("refcount is zero, but periphs list is not empty")); if (device->devq_entry.pinfo.index != CAM_UNQUEUED_INDEX) panic("Removing device while still queued for ccbs"); if ((device->flags & CAM_DEV_REL_TIMEOUT_PENDING) != 0) callout_stop(&device->callout); TAILQ_REMOVE(&device->target->ed_entries, device,links); device->target->generation++; device->target->bus->sim->max_ccbs -= device->ccbq.devq_openings; /* Release our slot in the devq */ devq = device->target->bus->sim->devq; cam_devq_resize(devq, devq->send_queue.array_size - 1); camq_fini(&device->drvq); cam_ccbq_fini(&device->ccbq); /* * Free allocated memory. free(9) does nothing if the * supplied pointer is NULL, so it is safe to call without * checking. */ free(device->supported_vpds, M_CAMXPT); free(device->device_id, M_CAMXPT); free(device->physpath, M_CAMXPT); free(device->rcap_buf, M_CAMXPT); free(device->serial_num, M_CAMXPT); xpt_release_target(device->target); free(device, M_CAMDEV); } u_int32_t xpt_dev_ccbq_resize(struct cam_path *path, int newopenings) { int diff; int result; struct cam_ed *dev; dev = path->device; diff = newopenings - (dev->ccbq.dev_active + dev->ccbq.dev_openings); result = cam_ccbq_resize(&dev->ccbq, newopenings); if ((dev->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 || (dev->inq_flags & SID_CmdQue) != 0) dev->tag_saved_openings = newopenings; /* Adjust the global limit */ dev->sim->max_ccbs += diff; return (result); } static struct cam_eb * xpt_find_bus(path_id_t path_id) { struct cam_eb *bus; xpt_lock_buses(); for (bus = TAILQ_FIRST(&xsoftc.xpt_busses); bus != NULL; bus = TAILQ_NEXT(bus, links)) { if (bus->path_id == path_id) { bus->refcount++; break; } } xpt_unlock_buses(); return (bus); } static struct cam_et * xpt_find_target(struct cam_eb *bus, target_id_t target_id) { struct cam_et *target; mtx_assert(bus->sim->mtx, MA_OWNED); for (target = TAILQ_FIRST(&bus->et_entries); target != NULL; target = TAILQ_NEXT(target, links)) { if (target->target_id == target_id) { target->refcount++; break; } } return (target); } static struct cam_ed * xpt_find_device(struct cam_et *target, lun_id_t lun_id) { struct cam_ed *device; mtx_assert(target->bus->sim->mtx, MA_OWNED); for (device = TAILQ_FIRST(&target->ed_entries); device != NULL; device = TAILQ_NEXT(device, links)) { if (device->lun_id == lun_id) { device->refcount++; break; } } return (device); } void xpt_start_tags(struct cam_path *path) { struct ccb_relsim crs; struct cam_ed *device; struct cam_sim *sim; int newopenings; device = path->device; sim = path->bus->sim; device->flags &= ~CAM_DEV_TAG_AFTER_COUNT; xpt_freeze_devq(path, /*count*/1); device->inq_flags |= SID_CmdQue; if (device->tag_saved_openings != 0) newopenings = device->tag_saved_openings; else newopenings = min(device->maxtags, sim->max_tagged_dev_openings); xpt_dev_ccbq_resize(path, newopenings); xpt_async(AC_GETDEV_CHANGED, path, NULL); xpt_setup_ccb(&crs.ccb_h, path, CAM_PRIORITY_NORMAL); crs.ccb_h.func_code = XPT_REL_SIMQ; crs.release_flags = RELSIM_RELEASE_AFTER_QEMPTY; crs.openings = crs.release_timeout = crs.qfrozen_cnt = 0; xpt_action((union ccb *)&crs); } void xpt_stop_tags(struct cam_path *path) { struct ccb_relsim crs; struct cam_ed *device; struct cam_sim *sim; device = path->device; sim = path->bus->sim; device->flags &= ~CAM_DEV_TAG_AFTER_COUNT; device->tag_delay_count = 0; xpt_freeze_devq(path, /*count*/1); device->inq_flags &= ~SID_CmdQue; xpt_dev_ccbq_resize(path, sim->max_dev_openings); xpt_async(AC_GETDEV_CHANGED, path, NULL); xpt_setup_ccb(&crs.ccb_h, path, CAM_PRIORITY_NORMAL); crs.ccb_h.func_code = XPT_REL_SIMQ; crs.release_flags = RELSIM_RELEASE_AFTER_QEMPTY; crs.openings = crs.release_timeout = crs.qfrozen_cnt = 0; xpt_action((union ccb *)&crs); } static void xpt_boot_delay(void *arg) { xpt_release_boot(); } static void xpt_config(void *arg) { /* * Now that interrupts are enabled, go find our devices */ /* Setup debugging path */ if (cam_dflags != CAM_DEBUG_NONE) { if (xpt_create_path_unlocked(&cam_dpath, NULL, CAM_DEBUG_BUS, CAM_DEBUG_TARGET, CAM_DEBUG_LUN) != CAM_REQ_CMP) { printf("xpt_config: xpt_create_path() failed for debug" " target %d:%d:%d, debugging disabled\n", CAM_DEBUG_BUS, CAM_DEBUG_TARGET, CAM_DEBUG_LUN); cam_dflags = CAM_DEBUG_NONE; } } else cam_dpath = NULL; periphdriver_init(1); xpt_hold_boot(); callout_init(&xsoftc.boot_callout, 1); callout_reset(&xsoftc.boot_callout, hz * xsoftc.boot_delay / 1000, xpt_boot_delay, NULL); /* Fire up rescan thread. */ if (kproc_create(xpt_scanner_thread, NULL, NULL, 0, 0, "xpt_thrd")) { printf("xpt_config: failed to create rescan thread.\n"); } } void xpt_hold_boot(void) { xpt_lock_buses(); xsoftc.buses_to_config++; xpt_unlock_buses(); } void xpt_release_boot(void) { xpt_lock_buses(); xsoftc.buses_to_config--; if (xsoftc.buses_to_config == 0 && xsoftc.buses_config_done == 0) { struct xpt_task *task; xsoftc.buses_config_done = 1; xpt_unlock_buses(); /* Call manually because we don't have any busses */ task = malloc(sizeof(struct xpt_task), M_CAMXPT, M_NOWAIT); if (task != NULL) { TASK_INIT(&task->task, 0, xpt_finishconfig_task, task); taskqueue_enqueue(taskqueue_thread, &task->task); } } else xpt_unlock_buses(); } /* * If the given device only has one peripheral attached to it, and if that * peripheral is the passthrough driver, announce it. This insures that the * user sees some sort of announcement for every peripheral in their system. */ static int xptpassannouncefunc(struct cam_ed *device, void *arg) { struct cam_periph *periph; int i; for (periph = SLIST_FIRST(&device->periphs), i = 0; periph != NULL; periph = SLIST_NEXT(periph, periph_links), i++); periph = SLIST_FIRST(&device->periphs); if ((i == 1) && (strncmp(periph->periph_name, "pass", 4) == 0)) xpt_announce_periph(periph, NULL); return(1); } static void xpt_finishconfig_task(void *context, int pending) { periphdriver_init(2); /* * Check for devices with no "standard" peripheral driver * attached. For any devices like that, announce the * passthrough driver so the user will see something. */ if (!bootverbose) xpt_for_all_devices(xptpassannouncefunc, NULL); /* Release our hook so that the boot can continue. */ config_intrhook_disestablish(xsoftc.xpt_config_hook); free(xsoftc.xpt_config_hook, M_CAMXPT); xsoftc.xpt_config_hook = NULL; free(context, M_CAMXPT); } cam_status xpt_register_async(int event, ac_callback_t *cbfunc, void *cbarg, struct cam_path *path) { struct ccb_setasync csa; cam_status status; int xptpath = 0; if (path == NULL) { mtx_lock(&xsoftc.xpt_lock); status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); if (status != CAM_REQ_CMP) { mtx_unlock(&xsoftc.xpt_lock); return (status); } xptpath = 1; } xpt_setup_ccb(&csa.ccb_h, path, CAM_PRIORITY_NORMAL); csa.ccb_h.func_code = XPT_SASYNC_CB; csa.event_enable = event; csa.callback = cbfunc; csa.callback_arg = cbarg; xpt_action((union ccb *)&csa); status = csa.ccb_h.status; if (xptpath) { xpt_free_path(path); mtx_unlock(&xsoftc.xpt_lock); } if ((status == CAM_REQ_CMP) && (csa.event_enable & AC_FOUND_DEVICE)) { /* * Get this peripheral up to date with all * the currently existing devices. */ xpt_for_all_devices(xptsetasyncfunc, &csa); } if ((status == CAM_REQ_CMP) && (csa.event_enable & AC_PATH_REGISTERED)) { /* * Get this peripheral up to date with all * the currently existing busses. */ xpt_for_all_busses(xptsetasyncbusfunc, &csa); } return (status); } static void xptaction(struct cam_sim *sim, union ccb *work_ccb) { CAM_DEBUG(work_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("xptaction\n")); switch (work_ccb->ccb_h.func_code) { /* Common cases first */ case XPT_PATH_INQ: /* Path routing inquiry */ { struct ccb_pathinq *cpi; cpi = &work_ccb->cpi; cpi->version_num = 1; /* XXX??? */ cpi->hba_inquiry = 0; cpi->target_sprt = 0; cpi->hba_misc = 0; cpi->hba_eng_cnt = 0; cpi->max_target = 0; cpi->max_lun = 0; cpi->initiator_id = 0; strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); strncpy(cpi->hba_vid, "", HBA_IDLEN); strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); cpi->unit_number = sim->unit_number; cpi->bus_id = sim->bus_id; cpi->base_transfer_speed = 0; cpi->protocol = PROTO_UNSPECIFIED; cpi->protocol_version = PROTO_VERSION_UNSPECIFIED; cpi->transport = XPORT_UNSPECIFIED; cpi->transport_version = XPORT_VERSION_UNSPECIFIED; cpi->ccb_h.status = CAM_REQ_CMP; xpt_done(work_ccb); break; } default: work_ccb->ccb_h.status = CAM_REQ_INVALID; xpt_done(work_ccb); break; } } /* * The xpt as a "controller" has no interrupt sources, so polling * is a no-op. */ static void xptpoll(struct cam_sim *sim) { } void xpt_lock_buses(void) { mtx_lock(&xsoftc.xpt_topo_lock); } void xpt_unlock_buses(void) { mtx_unlock(&xsoftc.xpt_topo_lock); } static void camisr(void *dummy) { cam_simq_t queue; struct cam_sim *sim; mtx_lock(&cam_simq_lock); TAILQ_INIT(&queue); while (!TAILQ_EMPTY(&cam_simq)) { TAILQ_CONCAT(&queue, &cam_simq, links); mtx_unlock(&cam_simq_lock); while ((sim = TAILQ_FIRST(&queue)) != NULL) { TAILQ_REMOVE(&queue, sim, links); CAM_SIM_LOCK(sim); camisr_runqueue(sim); sim->flags &= ~CAM_SIM_ON_DONEQ; CAM_SIM_UNLOCK(sim); } mtx_lock(&cam_simq_lock); } mtx_unlock(&cam_simq_lock); } static void camisr_runqueue(struct cam_sim *sim) { struct ccb_hdr *ccb_h; while ((ccb_h = TAILQ_FIRST(&sim->sim_doneq)) != NULL) { int runq; TAILQ_REMOVE(&sim->sim_doneq, ccb_h, sim_links.tqe); ccb_h->pinfo.index = CAM_UNQUEUED_INDEX; CAM_DEBUG(ccb_h->path, CAM_DEBUG_TRACE, ("camisr\n")); runq = FALSE; if (ccb_h->flags & CAM_HIGH_POWER) { struct highpowerlist *hphead; struct cam_ed *device; mtx_lock(&xsoftc.xpt_lock); hphead = &xsoftc.highpowerq; device = STAILQ_FIRST(hphead); /* * Increment the count since this command is done. */ xsoftc.num_highpower++; /* * Any high powered commands queued up? */ if (device != NULL) { STAILQ_REMOVE_HEAD(hphead, highpowerq_entry); mtx_unlock(&xsoftc.xpt_lock); xpt_release_devq_device(device, /*count*/1, /*runqueue*/TRUE); } else mtx_unlock(&xsoftc.xpt_lock); } if ((ccb_h->func_code & XPT_FC_USER_CCB) == 0) { struct cam_ed *dev; dev = ccb_h->path->device; cam_ccbq_ccb_done(&dev->ccbq, (union ccb *)ccb_h); sim->devq->send_active--; sim->devq->send_openings++; runq = TRUE; if (((dev->flags & CAM_DEV_REL_ON_QUEUE_EMPTY) != 0 && (dev->ccbq.dev_active == 0))) { dev->flags &= ~CAM_DEV_REL_ON_QUEUE_EMPTY; xpt_release_devq(ccb_h->path, /*count*/1, /*run_queue*/FALSE); } if (((dev->flags & CAM_DEV_REL_ON_COMPLETE) != 0 && (ccb_h->status&CAM_STATUS_MASK) != CAM_REQUEUE_REQ)) { dev->flags &= ~CAM_DEV_REL_ON_COMPLETE; xpt_release_devq(ccb_h->path, /*count*/1, /*run_queue*/FALSE); } if ((dev->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 && (--dev->tag_delay_count == 0)) xpt_start_tags(ccb_h->path); if (!device_is_queued(dev)) { (void)xpt_schedule_devq(sim->devq, dev); } } if (ccb_h->status & CAM_RELEASE_SIMQ) { xpt_release_simq(sim, /*run_queue*/TRUE); ccb_h->status &= ~CAM_RELEASE_SIMQ; runq = FALSE; } if ((ccb_h->flags & CAM_DEV_QFRZDIS) && (ccb_h->status & CAM_DEV_QFRZN)) { xpt_release_devq(ccb_h->path, /*count*/1, /*run_queue*/TRUE); ccb_h->status &= ~CAM_DEV_QFRZN; } else if (runq) { xpt_run_devq(sim->devq); } /* Call the peripheral driver's callback */ (*ccb_h->cbfcnp)(ccb_h->path->periph, (union ccb *)ccb_h); } } Index: stable/9/sys/cam/cam_xpt_periph.h =================================================================== --- stable/9/sys/cam/cam_xpt_periph.h (revision 257049) +++ stable/9/sys/cam/cam_xpt_periph.h (revision 257050) @@ -1,52 +1,53 @@ /*- * Data structures and definitions for dealing with the * Common Access Method Transport (xpt) layer from peripheral * drivers. * * Copyright (c) 1997 Justin T. Gibbs. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _CAM_CAM_XPT_PERIPH_H #define _CAM_CAM_XPT_PERIPH_H 1 #include #include /* Functions accessed by the peripheral drivers */ #ifdef _KERNEL void xpt_polled_action(union ccb *ccb); void xpt_release_ccb(union ccb *released_ccb); void xpt_schedule(struct cam_periph *perph, u_int32_t new_priority); int32_t xpt_add_periph(struct cam_periph *periph); void xpt_remove_periph(struct cam_periph *periph); void xpt_announce_periph(struct cam_periph *periph, char *announce_string); void xpt_announce_quirks(struct cam_periph *periph, int quirks, char *bit_string); +void xpt_denounce_periph(struct cam_periph *periph); #endif #endif /* _CAM_CAM_XPT_PERIPH_H */ Index: stable/9/sys/cam/scsi/scsi_all.c =================================================================== --- stable/9/sys/cam/scsi/scsi_all.c (revision 257049) +++ stable/9/sys/cam/scsi/scsi_all.c (revision 257050) @@ -1,6581 +1,6596 @@ /*- * Implementation of Utility functions for all SCSI device types. * * Copyright (c) 1997, 1998, 1999 Justin T. Gibbs. * Copyright (c) 1997, 1998, 2003 Kenneth D. Merry. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #ifdef _KERNEL #include #include #include #include #include #include #include #include #else #include #include #include #include #endif #include #include #include #include #include #include #include #ifdef _KERNEL #include #include #include #include #else #include #include #ifndef FALSE #define FALSE 0 #endif /* FALSE */ #ifndef TRUE #define TRUE 1 #endif /* TRUE */ #define ERESTART -1 /* restart syscall */ #define EJUSTRETURN -2 /* don't modify regs, just return */ #endif /* !_KERNEL */ /* * This is the default number of milliseconds we wait for devices to settle * after a SCSI bus reset. */ #ifndef SCSI_DELAY #define SCSI_DELAY 2000 #endif /* * All devices need _some_ sort of bus settle delay, so we'll set it to * a minimum value of 100ms. Note that this is pertinent only for SPI- * not transport like Fibre Channel or iSCSI where 'delay' is completely * meaningless. */ #ifndef SCSI_MIN_DELAY #define SCSI_MIN_DELAY 100 #endif /* * Make sure the user isn't using seconds instead of milliseconds. */ #if (SCSI_DELAY < SCSI_MIN_DELAY && SCSI_DELAY != 0) #error "SCSI_DELAY is in milliseconds, not seconds! Please use a larger value" #endif int scsi_delay; static int ascentrycomp(const void *key, const void *member); static int senseentrycomp(const void *key, const void *member); static void fetchtableentries(int sense_key, int asc, int ascq, struct scsi_inquiry_data *, const struct sense_key_table_entry **, const struct asc_table_entry **); #ifdef _KERNEL static void init_scsi_delay(void); static int sysctl_scsi_delay(SYSCTL_HANDLER_ARGS); static int set_scsi_delay(int delay); #endif #if !defined(SCSI_NO_OP_STRINGS) #define D (1 << T_DIRECT) #define T (1 << T_SEQUENTIAL) #define L (1 << T_PRINTER) #define P (1 << T_PROCESSOR) #define W (1 << T_WORM) #define R (1 << T_CDROM) #define O (1 << T_OPTICAL) #define M (1 << T_CHANGER) #define A (1 << T_STORARRAY) #define E (1 << T_ENCLOSURE) #define B (1 << T_RBC) #define K (1 << T_OCRW) #define V (1 << T_ADC) #define F (1 << T_OSD) #define S (1 << T_SCANNER) #define C (1 << T_COMM) #define ALL (D | T | L | P | W | R | O | M | A | E | B | K | V | F | S | C) static struct op_table_entry plextor_cd_ops[] = { { 0xD8, R, "CD-DA READ" } }; static struct scsi_op_quirk_entry scsi_op_quirk_table[] = { { /* * I believe that 0xD8 is the Plextor proprietary command * to read CD-DA data. I'm not sure which Plextor CDROM * models support the command, though. I know for sure * that the 4X, 8X, and 12X models do, and presumably the * 12-20X does. I don't know about any earlier models, * though. If anyone has any more complete information, * feel free to change this quirk entry. */ {T_CDROM, SIP_MEDIA_REMOVABLE, "PLEXTOR", "CD-ROM PX*", "*"}, sizeof(plextor_cd_ops)/sizeof(struct op_table_entry), plextor_cd_ops } }; static struct op_table_entry scsi_op_codes[] = { /* * From: http://www.t10.org/lists/op-num.txt * Modifications by Kenneth Merry (ken@FreeBSD.ORG) * and Jung-uk Kim (jkim@FreeBSD.org) * * Note: order is important in this table, scsi_op_desc() currently * depends on the opcodes in the table being in order to save * search time. * Note: scanner and comm. devices are carried over from the previous * version because they were removed in the latest spec. */ /* File: OP-NUM.TXT * * SCSI Operation Codes * Numeric Sorted Listing * as of 3/11/08 * * D - DIRECT ACCESS DEVICE (SBC-2) device column key * .T - SEQUENTIAL ACCESS DEVICE (SSC-2) ----------------- * . L - PRINTER DEVICE (SSC) M = Mandatory * . P - PROCESSOR DEVICE (SPC) O = Optional * . .W - WRITE ONCE READ MULTIPLE DEVICE (SBC-2) V = Vendor spec. * . . R - CD/DVE DEVICE (MMC-3) Z = Obsolete * . . O - OPTICAL MEMORY DEVICE (SBC-2) * . . .M - MEDIA CHANGER DEVICE (SMC-2) * . . . A - STORAGE ARRAY DEVICE (SCC-2) * . . . .E - ENCLOSURE SERVICES DEVICE (SES) * . . . .B - SIMPLIFIED DIRECT-ACCESS DEVICE (RBC) * . . . . K - OPTICAL CARD READER/WRITER DEVICE (OCRW) * . . . . V - AUTOMATION/DRIVE INTERFACE (ADC) * . . . . .F - OBJECT-BASED STORAGE (OSD) * OP DTLPWROMAEBKVF Description * -- -------------- ---------------------------------------------- */ /* 00 MMMMMMMMMMMMMM TEST UNIT READY */ { 0x00, ALL, "TEST UNIT READY" }, /* 01 M REWIND */ { 0x01, T, "REWIND" }, /* 01 Z V ZZZZ REZERO UNIT */ { 0x01, D | W | R | O | M, "REZERO UNIT" }, /* 02 VVVVVV V */ /* 03 MMMMMMMMMMOMMM REQUEST SENSE */ { 0x03, ALL, "REQUEST SENSE" }, /* 04 M OO FORMAT UNIT */ { 0x04, D | R | O, "FORMAT UNIT" }, /* 04 O FORMAT MEDIUM */ { 0x04, T, "FORMAT MEDIUM" }, /* 04 O FORMAT */ { 0x04, L, "FORMAT" }, /* 05 VMVVVV V READ BLOCK LIMITS */ { 0x05, T, "READ BLOCK LIMITS" }, /* 06 VVVVVV V */ /* 07 OVV O OV REASSIGN BLOCKS */ { 0x07, D | W | O, "REASSIGN BLOCKS" }, /* 07 O INITIALIZE ELEMENT STATUS */ { 0x07, M, "INITIALIZE ELEMENT STATUS" }, /* 08 MOV O OV READ(6) */ { 0x08, D | T | W | O, "READ(6)" }, /* 08 O RECEIVE */ { 0x08, P, "RECEIVE" }, /* 08 GET MESSAGE(6) */ { 0x08, C, "GET MESSAGE(6)" }, /* 09 VVVVVV V */ /* 0A OO O OV WRITE(6) */ { 0x0A, D | T | W | O, "WRITE(6)" }, /* 0A M SEND(6) */ { 0x0A, P, "SEND(6)" }, /* 0A SEND MESSAGE(6) */ { 0x0A, C, "SEND MESSAGE(6)" }, /* 0A M PRINT */ { 0x0A, L, "PRINT" }, /* 0B Z ZOZV SEEK(6) */ { 0x0B, D | W | R | O, "SEEK(6)" }, /* 0B O SET CAPACITY */ { 0x0B, T, "SET CAPACITY" }, /* 0B O SLEW AND PRINT */ { 0x0B, L, "SLEW AND PRINT" }, /* 0C VVVVVV V */ /* 0D VVVVVV V */ /* 0E VVVVVV V */ /* 0F VOVVVV V READ REVERSE(6) */ { 0x0F, T, "READ REVERSE(6)" }, /* 10 VM VVV WRITE FILEMARKS(6) */ { 0x10, T, "WRITE FILEMARKS(6)" }, /* 10 O SYNCHRONIZE BUFFER */ { 0x10, L, "SYNCHRONIZE BUFFER" }, /* 11 VMVVVV SPACE(6) */ { 0x11, T, "SPACE(6)" }, /* 12 MMMMMMMMMMMMMM INQUIRY */ { 0x12, ALL, "INQUIRY" }, /* 13 V VVVV */ /* 13 O VERIFY(6) */ { 0x13, T, "VERIFY(6)" }, /* 14 VOOVVV RECOVER BUFFERED DATA */ { 0x14, T | L, "RECOVER BUFFERED DATA" }, /* 15 OMO O OOOO OO MODE SELECT(6) */ { 0x15, ALL & ~(P | R | B | F), "MODE SELECT(6)" }, /* 16 ZZMZO OOOZ O RESERVE(6) */ { 0x16, ALL & ~(R | B | V | F | C), "RESERVE(6)" }, /* 16 Z RESERVE ELEMENT(6) */ { 0x16, M, "RESERVE ELEMENT(6)" }, /* 17 ZZMZO OOOZ O RELEASE(6) */ { 0x17, ALL & ~(R | B | V | F | C), "RELEASE(6)" }, /* 17 Z RELEASE ELEMENT(6) */ { 0x17, M, "RELEASE ELEMENT(6)" }, /* 18 ZZZZOZO Z COPY */ { 0x18, D | T | L | P | W | R | O | K | S, "COPY" }, /* 19 VMVVVV ERASE(6) */ { 0x19, T, "ERASE(6)" }, /* 1A OMO O OOOO OO MODE SENSE(6) */ { 0x1A, ALL & ~(P | R | B | F), "MODE SENSE(6)" }, /* 1B O OOO O MO O START STOP UNIT */ { 0x1B, D | W | R | O | A | B | K | F, "START STOP UNIT" }, /* 1B O M LOAD UNLOAD */ { 0x1B, T | V, "LOAD UNLOAD" }, /* 1B SCAN */ { 0x1B, S, "SCAN" }, /* 1B O STOP PRINT */ { 0x1B, L, "STOP PRINT" }, /* 1B O OPEN/CLOSE IMPORT/EXPORT ELEMENT */ { 0x1B, M, "OPEN/CLOSE IMPORT/EXPORT ELEMENT" }, /* 1C OOOOO OOOM OOO RECEIVE DIAGNOSTIC RESULTS */ { 0x1C, ALL & ~(R | B), "RECEIVE DIAGNOSTIC RESULTS" }, /* 1D MMMMM MMOM MMM SEND DIAGNOSTIC */ { 0x1D, ALL & ~(R | B), "SEND DIAGNOSTIC" }, /* 1E OO OOOO O O PREVENT ALLOW MEDIUM REMOVAL */ { 0x1E, D | T | W | R | O | M | K | F, "PREVENT ALLOW MEDIUM REMOVAL" }, /* 1F */ /* 20 V VVV V */ /* 21 V VVV V */ /* 22 V VVV V */ /* 23 V V V V */ /* 23 O READ FORMAT CAPACITIES */ { 0x23, R, "READ FORMAT CAPACITIES" }, /* 24 V VV SET WINDOW */ { 0x24, S, "SET WINDOW" }, /* 25 M M M M READ CAPACITY(10) */ { 0x25, D | W | O | B, "READ CAPACITY(10)" }, /* 25 O READ CAPACITY */ { 0x25, R, "READ CAPACITY" }, /* 25 M READ CARD CAPACITY */ { 0x25, K, "READ CARD CAPACITY" }, /* 25 GET WINDOW */ { 0x25, S, "GET WINDOW" }, /* 26 V VV */ /* 27 V VV */ /* 28 M MOM MM READ(10) */ { 0x28, D | W | R | O | B | K | S, "READ(10)" }, /* 28 GET MESSAGE(10) */ { 0x28, C, "GET MESSAGE(10)" }, /* 29 V VVO READ GENERATION */ { 0x29, O, "READ GENERATION" }, /* 2A O MOM MO WRITE(10) */ { 0x2A, D | W | R | O | B | K, "WRITE(10)" }, /* 2A SEND(10) */ { 0x2A, S, "SEND(10)" }, /* 2A SEND MESSAGE(10) */ { 0x2A, C, "SEND MESSAGE(10)" }, /* 2B Z OOO O SEEK(10) */ { 0x2B, D | W | R | O | K, "SEEK(10)" }, /* 2B O LOCATE(10) */ { 0x2B, T, "LOCATE(10)" }, /* 2B O POSITION TO ELEMENT */ { 0x2B, M, "POSITION TO ELEMENT" }, /* 2C V OO ERASE(10) */ { 0x2C, R | O, "ERASE(10)" }, /* 2D O READ UPDATED BLOCK */ { 0x2D, O, "READ UPDATED BLOCK" }, /* 2D V */ /* 2E O OOO MO WRITE AND VERIFY(10) */ { 0x2E, D | W | R | O | B | K, "WRITE AND VERIFY(10)" }, /* 2F O OOO VERIFY(10) */ { 0x2F, D | W | R | O, "VERIFY(10)" }, /* 30 Z ZZZ SEARCH DATA HIGH(10) */ { 0x30, D | W | R | O, "SEARCH DATA HIGH(10)" }, /* 31 Z ZZZ SEARCH DATA EQUAL(10) */ { 0x31, D | W | R | O, "SEARCH DATA EQUAL(10)" }, /* 31 OBJECT POSITION */ { 0x31, S, "OBJECT POSITION" }, /* 32 Z ZZZ SEARCH DATA LOW(10) */ { 0x32, D | W | R | O, "SEARCH DATA LOW(10)" }, /* 33 Z OZO SET LIMITS(10) */ { 0x33, D | W | R | O, "SET LIMITS(10)" }, /* 34 O O O O PRE-FETCH(10) */ { 0x34, D | W | O | K, "PRE-FETCH(10)" }, /* 34 M READ POSITION */ { 0x34, T, "READ POSITION" }, /* 34 GET DATA BUFFER STATUS */ { 0x34, S, "GET DATA BUFFER STATUS" }, /* 35 O OOO MO SYNCHRONIZE CACHE(10) */ { 0x35, D | W | R | O | B | K, "SYNCHRONIZE CACHE(10)" }, /* 36 Z O O O LOCK UNLOCK CACHE(10) */ { 0x36, D | W | O | K, "LOCK UNLOCK CACHE(10)" }, /* 37 O O READ DEFECT DATA(10) */ { 0x37, D | O, "READ DEFECT DATA(10)" }, /* 37 O INITIALIZE ELEMENT STATUS WITH RANGE */ { 0x37, M, "INITIALIZE ELEMENT STATUS WITH RANGE" }, /* 38 O O O MEDIUM SCAN */ { 0x38, W | O | K, "MEDIUM SCAN" }, /* 39 ZZZZOZO Z COMPARE */ { 0x39, D | T | L | P | W | R | O | K | S, "COMPARE" }, /* 3A ZZZZOZO Z COPY AND VERIFY */ { 0x3A, D | T | L | P | W | R | O | K | S, "COPY AND VERIFY" }, /* 3B OOOOOOOOOOMOOO WRITE BUFFER */ { 0x3B, ALL, "WRITE BUFFER" }, /* 3C OOOOOOOOOO OOO READ BUFFER */ { 0x3C, ALL & ~(B), "READ BUFFER" }, /* 3D O UPDATE BLOCK */ { 0x3D, O, "UPDATE BLOCK" }, /* 3E O O O READ LONG(10) */ { 0x3E, D | W | O, "READ LONG(10)" }, /* 3F O O O WRITE LONG(10) */ { 0x3F, D | W | O, "WRITE LONG(10)" }, /* 40 ZZZZOZOZ CHANGE DEFINITION */ { 0x40, D | T | L | P | W | R | O | M | S | C, "CHANGE DEFINITION" }, /* 41 O WRITE SAME(10) */ { 0x41, D, "WRITE SAME(10)" }, /* 42 O UNMAP */ { 0x42, D, "UNMAP" }, /* 42 O READ SUB-CHANNEL */ { 0x42, R, "READ SUB-CHANNEL" }, /* 43 O READ TOC/PMA/ATIP */ { 0x43, R, "READ TOC/PMA/ATIP" }, /* 44 M M REPORT DENSITY SUPPORT */ { 0x44, T | V, "REPORT DENSITY SUPPORT" }, /* 44 READ HEADER */ /* 45 O PLAY AUDIO(10) */ { 0x45, R, "PLAY AUDIO(10)" }, /* 46 M GET CONFIGURATION */ { 0x46, R, "GET CONFIGURATION" }, /* 47 O PLAY AUDIO MSF */ { 0x47, R, "PLAY AUDIO MSF" }, /* 48 */ /* 49 */ /* 4A M GET EVENT STATUS NOTIFICATION */ { 0x4A, R, "GET EVENT STATUS NOTIFICATION" }, /* 4B O PAUSE/RESUME */ { 0x4B, R, "PAUSE/RESUME" }, /* 4C OOOOO OOOO OOO LOG SELECT */ { 0x4C, ALL & ~(R | B), "LOG SELECT" }, /* 4D OOOOO OOOO OMO LOG SENSE */ { 0x4D, ALL & ~(R | B), "LOG SENSE" }, /* 4E O STOP PLAY/SCAN */ { 0x4E, R, "STOP PLAY/SCAN" }, /* 4F */ /* 50 O XDWRITE(10) */ { 0x50, D, "XDWRITE(10)" }, /* 51 O XPWRITE(10) */ { 0x51, D, "XPWRITE(10)" }, /* 51 O READ DISC INFORMATION */ { 0x51, R, "READ DISC INFORMATION" }, /* 52 O XDREAD(10) */ { 0x52, D, "XDREAD(10)" }, /* 52 O READ TRACK INFORMATION */ { 0x52, R, "READ TRACK INFORMATION" }, /* 53 O RESERVE TRACK */ { 0x53, R, "RESERVE TRACK" }, /* 54 O SEND OPC INFORMATION */ { 0x54, R, "SEND OPC INFORMATION" }, /* 55 OOO OMOOOOMOMO MODE SELECT(10) */ { 0x55, ALL & ~(P), "MODE SELECT(10)" }, /* 56 ZZMZO OOOZ RESERVE(10) */ { 0x56, ALL & ~(R | B | K | V | F | C), "RESERVE(10)" }, /* 56 Z RESERVE ELEMENT(10) */ { 0x56, M, "RESERVE ELEMENT(10)" }, /* 57 ZZMZO OOOZ RELEASE(10) */ { 0x57, ALL & ~(R | B | K | V | F | C), "RELEASE(10)" }, /* 57 Z RELEASE ELEMENT(10) */ { 0x57, M, "RELEASE ELEMENT(10)" }, /* 58 O REPAIR TRACK */ { 0x58, R, "REPAIR TRACK" }, /* 59 */ /* 5A OOO OMOOOOMOMO MODE SENSE(10) */ { 0x5A, ALL & ~(P), "MODE SENSE(10)" }, /* 5B O CLOSE TRACK/SESSION */ { 0x5B, R, "CLOSE TRACK/SESSION" }, /* 5C O READ BUFFER CAPACITY */ { 0x5C, R, "READ BUFFER CAPACITY" }, /* 5D O SEND CUE SHEET */ { 0x5D, R, "SEND CUE SHEET" }, /* 5E OOOOO OOOO M PERSISTENT RESERVE IN */ { 0x5E, ALL & ~(R | B | K | V | C), "PERSISTENT RESERVE IN" }, /* 5F OOOOO OOOO M PERSISTENT RESERVE OUT */ { 0x5F, ALL & ~(R | B | K | V | C), "PERSISTENT RESERVE OUT" }, /* 7E OO O OOOO O extended CDB */ { 0x7E, D | T | R | M | A | E | B | V, "extended CDB" }, /* 7F O M variable length CDB (more than 16 bytes) */ { 0x7F, D | F, "variable length CDB (more than 16 bytes)" }, /* 80 Z XDWRITE EXTENDED(16) */ { 0x80, D, "XDWRITE EXTENDED(16)" }, /* 80 M WRITE FILEMARKS(16) */ { 0x80, T, "WRITE FILEMARKS(16)" }, /* 81 Z REBUILD(16) */ { 0x81, D, "REBUILD(16)" }, /* 81 O READ REVERSE(16) */ { 0x81, T, "READ REVERSE(16)" }, /* 82 Z REGENERATE(16) */ { 0x82, D, "REGENERATE(16)" }, /* 83 OOOOO O OO EXTENDED COPY */ { 0x83, D | T | L | P | W | O | K | V, "EXTENDED COPY" }, /* 84 OOOOO O OO RECEIVE COPY RESULTS */ { 0x84, D | T | L | P | W | O | K | V, "RECEIVE COPY RESULTS" }, /* 85 O O O ATA COMMAND PASS THROUGH(16) */ { 0x85, D | R | B, "ATA COMMAND PASS THROUGH(16)" }, /* 86 OO OO OOOOOOO ACCESS CONTROL IN */ { 0x86, ALL & ~(L | R | F), "ACCESS CONTROL IN" }, /* 87 OO OO OOOOOOO ACCESS CONTROL OUT */ { 0x87, ALL & ~(L | R | F), "ACCESS CONTROL OUT" }, /* * XXX READ(16)/WRITE(16) were not listed for CD/DVE in op-num.txt * but we had it since r1.40. Do we really want them? */ /* 88 MM O O O READ(16) */ { 0x88, D | T | W | O | B, "READ(16)" }, /* 89 */ /* 8A OM O O O WRITE(16) */ { 0x8A, D | T | W | O | B, "WRITE(16)" }, /* 8B O ORWRITE */ { 0x8B, D, "ORWRITE" }, /* 8C OO O OO O M READ ATTRIBUTE */ { 0x8C, D | T | W | O | M | B | V, "READ ATTRIBUTE" }, /* 8D OO O OO O O WRITE ATTRIBUTE */ { 0x8D, D | T | W | O | M | B | V, "WRITE ATTRIBUTE" }, /* 8E O O O O WRITE AND VERIFY(16) */ { 0x8E, D | W | O | B, "WRITE AND VERIFY(16)" }, /* 8F OO O O O VERIFY(16) */ { 0x8F, D | T | W | O | B, "VERIFY(16)" }, /* 90 O O O O PRE-FETCH(16) */ { 0x90, D | W | O | B, "PRE-FETCH(16)" }, /* 91 O O O O SYNCHRONIZE CACHE(16) */ { 0x91, D | W | O | B, "SYNCHRONIZE CACHE(16)" }, /* 91 O SPACE(16) */ { 0x91, T, "SPACE(16)" }, /* 92 Z O O LOCK UNLOCK CACHE(16) */ { 0x92, D | W | O, "LOCK UNLOCK CACHE(16)" }, /* 92 O LOCATE(16) */ { 0x92, T, "LOCATE(16)" }, /* 93 O WRITE SAME(16) */ { 0x93, D, "WRITE SAME(16)" }, /* 93 M ERASE(16) */ { 0x93, T, "ERASE(16)" }, /* 94 [usage proposed by SCSI Socket Services project] */ /* 95 [usage proposed by SCSI Socket Services project] */ /* 96 [usage proposed by SCSI Socket Services project] */ /* 97 [usage proposed by SCSI Socket Services project] */ /* 98 */ /* 99 */ /* 9A */ /* 9B */ /* 9C */ /* 9D */ /* XXX KDM ALL for this? op-num.txt defines it for none.. */ /* 9E SERVICE ACTION IN(16) */ { 0x9E, ALL, "SERVICE ACTION IN(16)" }, /* XXX KDM ALL for this? op-num.txt defines it for ADC.. */ /* 9F M SERVICE ACTION OUT(16) */ { 0x9F, ALL, "SERVICE ACTION OUT(16)" }, /* A0 MMOOO OMMM OMO REPORT LUNS */ { 0xA0, ALL & ~(R | B), "REPORT LUNS" }, /* A1 O BLANK */ { 0xA1, R, "BLANK" }, /* A1 O O ATA COMMAND PASS THROUGH(12) */ { 0xA1, D | B, "ATA COMMAND PASS THROUGH(12)" }, /* A2 OO O O SECURITY PROTOCOL IN */ { 0xA2, D | T | R | V, "SECURITY PROTOCOL IN" }, /* A3 OOO O OOMOOOM MAINTENANCE (IN) */ { 0xA3, ALL & ~(P | R | F), "MAINTENANCE (IN)" }, /* A3 O SEND KEY */ { 0xA3, R, "SEND KEY" }, /* A4 OOO O OOOOOOO MAINTENANCE (OUT) */ { 0xA4, ALL & ~(P | R | F), "MAINTENANCE (OUT)" }, /* A4 O REPORT KEY */ { 0xA4, R, "REPORT KEY" }, /* A5 O O OM MOVE MEDIUM */ { 0xA5, T | W | O | M, "MOVE MEDIUM" }, /* A5 O PLAY AUDIO(12) */ { 0xA5, R, "PLAY AUDIO(12)" }, /* A6 O EXCHANGE MEDIUM */ { 0xA6, M, "EXCHANGE MEDIUM" }, /* A6 O LOAD/UNLOAD C/DVD */ { 0xA6, R, "LOAD/UNLOAD C/DVD" }, /* A7 ZZ O O MOVE MEDIUM ATTACHED */ { 0xA7, D | T | W | O, "MOVE MEDIUM ATTACHED" }, /* A7 O SET READ AHEAD */ { 0xA7, R, "SET READ AHEAD" }, /* A8 O OOO READ(12) */ { 0xA8, D | W | R | O, "READ(12)" }, /* A8 GET MESSAGE(12) */ { 0xA8, C, "GET MESSAGE(12)" }, /* A9 O SERVICE ACTION OUT(12) */ { 0xA9, V, "SERVICE ACTION OUT(12)" }, /* AA O OOO WRITE(12) */ { 0xAA, D | W | R | O, "WRITE(12)" }, /* AA SEND MESSAGE(12) */ { 0xAA, C, "SEND MESSAGE(12)" }, /* AB O O SERVICE ACTION IN(12) */ { 0xAB, R | V, "SERVICE ACTION IN(12)" }, /* AC O ERASE(12) */ { 0xAC, O, "ERASE(12)" }, /* AC O GET PERFORMANCE */ { 0xAC, R, "GET PERFORMANCE" }, /* AD O READ DVD STRUCTURE */ { 0xAD, R, "READ DVD STRUCTURE" }, /* AE O O O WRITE AND VERIFY(12) */ { 0xAE, D | W | O, "WRITE AND VERIFY(12)" }, /* AF O OZO VERIFY(12) */ { 0xAF, D | W | R | O, "VERIFY(12)" }, /* B0 ZZZ SEARCH DATA HIGH(12) */ { 0xB0, W | R | O, "SEARCH DATA HIGH(12)" }, /* B1 ZZZ SEARCH DATA EQUAL(12) */ { 0xB1, W | R | O, "SEARCH DATA EQUAL(12)" }, /* B2 ZZZ SEARCH DATA LOW(12) */ { 0xB2, W | R | O, "SEARCH DATA LOW(12)" }, /* B3 Z OZO SET LIMITS(12) */ { 0xB3, D | W | R | O, "SET LIMITS(12)" }, /* B4 ZZ OZO READ ELEMENT STATUS ATTACHED */ { 0xB4, D | T | W | R | O, "READ ELEMENT STATUS ATTACHED" }, /* B5 OO O O SECURITY PROTOCOL OUT */ { 0xB5, D | T | R | V, "SECURITY PROTOCOL OUT" }, /* B5 O REQUEST VOLUME ELEMENT ADDRESS */ { 0xB5, M, "REQUEST VOLUME ELEMENT ADDRESS" }, /* B6 O SEND VOLUME TAG */ { 0xB6, M, "SEND VOLUME TAG" }, /* B6 O SET STREAMING */ { 0xB6, R, "SET STREAMING" }, /* B7 O O READ DEFECT DATA(12) */ { 0xB7, D | O, "READ DEFECT DATA(12)" }, /* B8 O OZOM READ ELEMENT STATUS */ { 0xB8, T | W | R | O | M, "READ ELEMENT STATUS" }, /* B9 O READ CD MSF */ { 0xB9, R, "READ CD MSF" }, /* BA O O OOMO REDUNDANCY GROUP (IN) */ { 0xBA, D | W | O | M | A | E, "REDUNDANCY GROUP (IN)" }, /* BA O SCAN */ { 0xBA, R, "SCAN" }, /* BB O O OOOO REDUNDANCY GROUP (OUT) */ { 0xBB, D | W | O | M | A | E, "REDUNDANCY GROUP (OUT)" }, /* BB O SET CD SPEED */ { 0xBB, R, "SET CD SPEED" }, /* BC O O OOMO SPARE (IN) */ { 0xBC, D | W | O | M | A | E, "SPARE (IN)" }, /* BD O O OOOO SPARE (OUT) */ { 0xBD, D | W | O | M | A | E, "SPARE (OUT)" }, /* BD O MECHANISM STATUS */ { 0xBD, R, "MECHANISM STATUS" }, /* BE O O OOMO VOLUME SET (IN) */ { 0xBE, D | W | O | M | A | E, "VOLUME SET (IN)" }, /* BE O READ CD */ { 0xBE, R, "READ CD" }, /* BF O O OOOO VOLUME SET (OUT) */ { 0xBF, D | W | O | M | A | E, "VOLUME SET (OUT)" }, /* BF O SEND DVD STRUCTURE */ { 0xBF, R, "SEND DVD STRUCTURE" } }; const char * scsi_op_desc(u_int16_t opcode, struct scsi_inquiry_data *inq_data) { caddr_t match; int i, j; u_int32_t opmask; u_int16_t pd_type; int num_ops[2]; struct op_table_entry *table[2]; int num_tables; /* * If we've got inquiry data, use it to determine what type of * device we're dealing with here. Otherwise, assume direct * access. */ if (inq_data == NULL) { pd_type = T_DIRECT; match = NULL; } else { pd_type = SID_TYPE(inq_data); match = cam_quirkmatch((caddr_t)inq_data, (caddr_t)scsi_op_quirk_table, sizeof(scsi_op_quirk_table)/ sizeof(*scsi_op_quirk_table), sizeof(*scsi_op_quirk_table), scsi_inquiry_match); } if (match != NULL) { table[0] = ((struct scsi_op_quirk_entry *)match)->op_table; num_ops[0] = ((struct scsi_op_quirk_entry *)match)->num_ops; table[1] = scsi_op_codes; num_ops[1] = sizeof(scsi_op_codes)/sizeof(scsi_op_codes[0]); num_tables = 2; } else { /* * If this is true, we have a vendor specific opcode that * wasn't covered in the quirk table. */ if ((opcode > 0xBF) || ((opcode > 0x5F) && (opcode < 0x80))) return("Vendor Specific Command"); table[0] = scsi_op_codes; num_ops[0] = sizeof(scsi_op_codes)/sizeof(scsi_op_codes[0]); num_tables = 1; } /* RBC is 'Simplified' Direct Access Device */ if (pd_type == T_RBC) pd_type = T_DIRECT; /* Map NODEVICE to Direct Access Device to handle REPORT LUNS, etc. */ if (pd_type == T_NODEVICE) pd_type = T_DIRECT; opmask = 1 << pd_type; for (j = 0; j < num_tables; j++) { for (i = 0;i < num_ops[j] && table[j][i].opcode <= opcode; i++){ if ((table[j][i].opcode == opcode) && ((table[j][i].opmask & opmask) != 0)) return(table[j][i].desc); } } /* * If we can't find a match for the command in the table, we just * assume it's a vendor specifc command. */ return("Vendor Specific Command"); } #else /* SCSI_NO_OP_STRINGS */ const char * scsi_op_desc(u_int16_t opcode, struct scsi_inquiry_data *inq_data) { return(""); } #endif #if !defined(SCSI_NO_SENSE_STRINGS) #define SST(asc, ascq, action, desc) \ asc, ascq, action, desc #else const char empty_string[] = ""; #define SST(asc, ascq, action, desc) \ asc, ascq, action, empty_string #endif const struct sense_key_table_entry sense_key_table[] = { { SSD_KEY_NO_SENSE, SS_NOP, "NO SENSE" }, { SSD_KEY_RECOVERED_ERROR, SS_NOP|SSQ_PRINT_SENSE, "RECOVERED ERROR" }, { SSD_KEY_NOT_READY, SS_RDEF, "NOT READY" }, { SSD_KEY_MEDIUM_ERROR, SS_RDEF, "MEDIUM ERROR" }, { SSD_KEY_HARDWARE_ERROR, SS_RDEF, "HARDWARE FAILURE" }, { SSD_KEY_ILLEGAL_REQUEST, SS_FATAL|EINVAL, "ILLEGAL REQUEST" }, { SSD_KEY_UNIT_ATTENTION, SS_FATAL|ENXIO, "UNIT ATTENTION" }, { SSD_KEY_DATA_PROTECT, SS_FATAL|EACCES, "DATA PROTECT" }, { SSD_KEY_BLANK_CHECK, SS_FATAL|ENOSPC, "BLANK CHECK" }, { SSD_KEY_Vendor_Specific, SS_FATAL|EIO, "Vendor Specific" }, { SSD_KEY_COPY_ABORTED, SS_FATAL|EIO, "COPY ABORTED" }, { SSD_KEY_ABORTED_COMMAND, SS_RDEF, "ABORTED COMMAND" }, { SSD_KEY_EQUAL, SS_NOP, "EQUAL" }, { SSD_KEY_VOLUME_OVERFLOW, SS_FATAL|EIO, "VOLUME OVERFLOW" }, { SSD_KEY_MISCOMPARE, SS_NOP, "MISCOMPARE" }, { SSD_KEY_COMPLETED, SS_NOP, "COMPLETED" } }; const int sense_key_table_size = sizeof(sense_key_table)/sizeof(sense_key_table[0]); static struct asc_table_entry quantum_fireball_entries[] = { { SST(0x04, 0x0b, SS_START | SSQ_DECREMENT_COUNT | ENXIO, "Logical unit not ready, initializing cmd. required") } }; static struct asc_table_entry sony_mo_entries[] = { { SST(0x04, 0x00, SS_START | SSQ_DECREMENT_COUNT | ENXIO, "Logical unit not ready, cause not reportable") } }; static struct asc_table_entry hgst_entries[] = { { SST(0x04, 0xF0, SS_RDEF, "Vendor Unique - Logical Unit Not Ready") }, { SST(0x0A, 0x01, SS_RDEF, "Unrecovered Super Certification Log Write Error") }, { SST(0x0A, 0x02, SS_RDEF, "Unrecovered Super Certification Log Read Error") }, { SST(0x15, 0x03, SS_RDEF, "Unrecovered Sector Error") }, { SST(0x3E, 0x04, SS_RDEF, "Unrecovered Self-Test Hard-Cache Test Fail") }, { SST(0x3E, 0x05, SS_RDEF, "Unrecovered Self-Test OTF-Cache Fail") }, { SST(0x40, 0x00, SS_RDEF, "Unrecovered SAT No Buffer Overflow Error") }, { SST(0x40, 0x01, SS_RDEF, "Unrecovered SAT Buffer Overflow Error") }, { SST(0x40, 0x02, SS_RDEF, "Unrecovered SAT No Buffer Overflow With ECS Fault") }, { SST(0x40, 0x03, SS_RDEF, "Unrecovered SAT Buffer Overflow With ECS Fault") }, { SST(0x40, 0x81, SS_RDEF, "DRAM Failure") }, { SST(0x44, 0x0B, SS_RDEF, "Vendor Unique - Internal Target Failure") }, { SST(0x44, 0xF2, SS_RDEF, "Vendor Unique - Internal Target Failure") }, { SST(0x44, 0xF6, SS_RDEF, "Vendor Unique - Internal Target Failure") }, { SST(0x44, 0xF9, SS_RDEF, "Vendor Unique - Internal Target Failure") }, { SST(0x44, 0xFA, SS_RDEF, "Vendor Unique - Internal Target Failure") }, { SST(0x5D, 0x22, SS_RDEF, "Extreme Over-Temperature Warning") }, { SST(0x5D, 0x50, SS_RDEF, "Load/Unload cycle Count Warning") }, { SST(0x81, 0x00, SS_RDEF, "Vendor Unique - Internal Logic Error") }, { SST(0x85, 0x00, SS_RDEF, "Vendor Unique - Internal Key Seed Error") }, }; static struct asc_table_entry seagate_entries[] = { { SST(0x04, 0xF0, SS_RDEF, "Logical Unit Not Ready, super certify in Progress") }, { SST(0x08, 0x86, SS_RDEF, "Write Fault Data Corruption") }, { SST(0x09, 0x0D, SS_RDEF, "Tracking Failure") }, { SST(0x09, 0x0E, SS_RDEF, "ETF Failure") }, { SST(0x0B, 0x5D, SS_RDEF, "Pre-SMART Warning") }, { SST(0x0B, 0x85, SS_RDEF, "5V Voltage Warning") }, { SST(0x0B, 0x8C, SS_RDEF, "12V Voltage Warning") }, { SST(0x0C, 0xFF, SS_RDEF, "Write Error - Too many error recovery revs") }, { SST(0x11, 0xFF, SS_RDEF, "Unrecovered Read Error - Too many error recovery revs") }, { SST(0x19, 0x0E, SS_RDEF, "Fewer than 1/2 defect list copies") }, { SST(0x20, 0xF3, SS_RDEF, "Illegal CDB linked to skip mask cmd") }, { SST(0x24, 0xF0, SS_RDEF, "Illegal byte in CDB, LBA not matching") }, { SST(0x24, 0xF1, SS_RDEF, "Illegal byte in CDB, LEN not matching") }, { SST(0x24, 0xF2, SS_RDEF, "Mask not matching transfer length") }, { SST(0x24, 0xF3, SS_RDEF, "Drive formatted without plist") }, { SST(0x26, 0x95, SS_RDEF, "Invalid Field Parameter - CAP File") }, { SST(0x26, 0x96, SS_RDEF, "Invalid Field Parameter - RAP File") }, { SST(0x26, 0x97, SS_RDEF, "Invalid Field Parameter - TMS Firmware Tag") }, { SST(0x26, 0x98, SS_RDEF, "Invalid Field Parameter - Check Sum") }, { SST(0x26, 0x99, SS_RDEF, "Invalid Field Parameter - Firmware Tag") }, { SST(0x29, 0x08, SS_RDEF, "Write Log Dump data") }, { SST(0x29, 0x09, SS_RDEF, "Write Log Dump data") }, { SST(0x29, 0x0A, SS_RDEF, "Reserved disk space") }, { SST(0x29, 0x0B, SS_RDEF, "SDBP") }, { SST(0x29, 0x0C, SS_RDEF, "SDBP") }, { SST(0x31, 0x91, SS_RDEF, "Format Corrupted World Wide Name (WWN) is Invalid") }, { SST(0x32, 0x03, SS_RDEF, "Defect List - Length exceeds Command Allocated Length") }, { SST(0x33, 0x00, SS_RDEF, "Flash not ready for access") }, { SST(0x3F, 0x70, SS_RDEF, "Invalid RAP block") }, { SST(0x3F, 0x71, SS_RDEF, "RAP/ETF mismatch") }, { SST(0x3F, 0x90, SS_RDEF, "Invalid CAP block") }, { SST(0x3F, 0x91, SS_RDEF, "World Wide Name (WWN) Mismatch") }, { SST(0x40, 0x01, SS_RDEF, "DRAM Parity Error") }, { SST(0x40, 0x02, SS_RDEF, "DRAM Parity Error") }, { SST(0x42, 0x0A, SS_RDEF, "Loopback Test") }, { SST(0x42, 0x0B, SS_RDEF, "Loopback Test") }, { SST(0x44, 0xF2, SS_RDEF, "Compare error during data integrity check") }, { SST(0x44, 0xF6, SS_RDEF, "Unrecoverable error during data integrity check") }, { SST(0x47, 0x80, SS_RDEF, "Fibre Channel Sequence Error") }, { SST(0x4E, 0x01, SS_RDEF, "Information Unit Too Short") }, { SST(0x80, 0x00, SS_RDEF, "General Firmware Error / Command Timeout") }, { SST(0x80, 0x01, SS_RDEF, "Command Timeout") }, { SST(0x80, 0x02, SS_RDEF, "Command Timeout") }, { SST(0x80, 0x80, SS_RDEF, "FC FIFO Error During Read Transfer") }, { SST(0x80, 0x81, SS_RDEF, "FC FIFO Error During Write Transfer") }, { SST(0x80, 0x82, SS_RDEF, "DISC FIFO Error During Read Transfer") }, { SST(0x80, 0x83, SS_RDEF, "DISC FIFO Error During Write Transfer") }, { SST(0x80, 0x84, SS_RDEF, "LBA Seeded LRC Error on Read") }, { SST(0x80, 0x85, SS_RDEF, "LBA Seeded LRC Error on Write") }, { SST(0x80, 0x86, SS_RDEF, "IOEDC Error on Read") }, { SST(0x80, 0x87, SS_RDEF, "IOEDC Error on Write") }, { SST(0x80, 0x88, SS_RDEF, "Host Parity Check Failed") }, { SST(0x80, 0x89, SS_RDEF, "IOEDC error on read detected by formatter") }, { SST(0x80, 0x8A, SS_RDEF, "Host Parity Errors / Host FIFO Initialization Failed") }, { SST(0x80, 0x8B, SS_RDEF, "Host Parity Errors") }, { SST(0x80, 0x8C, SS_RDEF, "Host Parity Errors") }, { SST(0x80, 0x8D, SS_RDEF, "Host Parity Errors") }, { SST(0x81, 0x00, SS_RDEF, "LA Check Failed") }, { SST(0x82, 0x00, SS_RDEF, "Internal client detected insufficient buffer") }, { SST(0x84, 0x00, SS_RDEF, "Scheduled Diagnostic And Repair") }, }; static struct scsi_sense_quirk_entry sense_quirk_table[] = { { /* * XXX The Quantum Fireball ST and SE like to return 0x04 0x0b * when they really should return 0x04 0x02. */ {T_DIRECT, SIP_MEDIA_FIXED, "QUANTUM", "FIREBALL S*", "*"}, /*num_sense_keys*/0, sizeof(quantum_fireball_entries)/sizeof(struct asc_table_entry), /*sense key entries*/NULL, quantum_fireball_entries }, { /* * This Sony MO drive likes to return 0x04, 0x00 when it * isn't spun up. */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "SONY", "SMO-*", "*"}, /*num_sense_keys*/0, sizeof(sony_mo_entries)/sizeof(struct asc_table_entry), /*sense key entries*/NULL, sony_mo_entries }, { /* * HGST vendor-specific error codes */ {T_DIRECT, SIP_MEDIA_FIXED, "HGST", "*", "*"}, /*num_sense_keys*/0, sizeof(hgst_entries)/sizeof(struct asc_table_entry), /*sense key entries*/NULL, hgst_entries }, { /* * SEAGATE vendor-specific error codes */ {T_DIRECT, SIP_MEDIA_FIXED, "SEAGATE", "*", "*"}, /*num_sense_keys*/0, sizeof(seagate_entries)/sizeof(struct asc_table_entry), /*sense key entries*/NULL, seagate_entries } }; const int sense_quirk_table_size = sizeof(sense_quirk_table)/sizeof(sense_quirk_table[0]); static struct asc_table_entry asc_table[] = { /* * From: http://www.t10.org/lists/asc-num.txt * Modifications by Jung-uk Kim (jkim@FreeBSD.org) */ /* * File: ASC-NUM.TXT * * SCSI ASC/ASCQ Assignments * Numeric Sorted Listing * as of 5/20/12 * * D - DIRECT ACCESS DEVICE (SBC-2) device column key * .T - SEQUENTIAL ACCESS DEVICE (SSC) ------------------- * . L - PRINTER DEVICE (SSC) blank = reserved * . P - PROCESSOR DEVICE (SPC) not blank = allowed * . .W - WRITE ONCE READ MULTIPLE DEVICE (SBC-2) * . . R - CD DEVICE (MMC) * . . O - OPTICAL MEMORY DEVICE (SBC-2) * . . .M - MEDIA CHANGER DEVICE (SMC) * . . . A - STORAGE ARRAY DEVICE (SCC) * . . . E - ENCLOSURE SERVICES DEVICE (SES) * . . . .B - SIMPLIFIED DIRECT-ACCESS DEVICE (RBC) * . . . . K - OPTICAL CARD READER/WRITER DEVICE (OCRW) * . . . . V - AUTOMATION/DRIVE INTERFACE (ADC) * . . . . .F - OBJECT-BASED STORAGE (OSD) * DTLPWROMAEBKVF * ASC ASCQ Action * Description */ /* DTLPWROMAEBKVF */ { SST(0x00, 0x00, SS_NOP, "No additional sense information") }, /* T */ { SST(0x00, 0x01, SS_RDEF, "Filemark detected") }, /* T */ { SST(0x00, 0x02, SS_RDEF, "End-of-partition/medium detected") }, /* T */ { SST(0x00, 0x03, SS_RDEF, "Setmark detected") }, /* T */ { SST(0x00, 0x04, SS_RDEF, "Beginning-of-partition/medium detected") }, /* TL */ { SST(0x00, 0x05, SS_RDEF, "End-of-data detected") }, /* DTLPWROMAEBKVF */ { SST(0x00, 0x06, SS_RDEF, "I/O process terminated") }, /* T */ { SST(0x00, 0x07, SS_RDEF, /* XXX TBD */ "Programmable early warning detected") }, /* R */ { SST(0x00, 0x11, SS_FATAL | EBUSY, "Audio play operation in progress") }, /* R */ { SST(0x00, 0x12, SS_NOP, "Audio play operation paused") }, /* R */ { SST(0x00, 0x13, SS_NOP, "Audio play operation successfully completed") }, /* R */ { SST(0x00, 0x14, SS_RDEF, "Audio play operation stopped due to error") }, /* R */ { SST(0x00, 0x15, SS_NOP, "No current audio status to return") }, /* DTLPWROMAEBKVF */ { SST(0x00, 0x16, SS_FATAL | EBUSY, "Operation in progress") }, /* DTL WROMAEBKVF */ { SST(0x00, 0x17, SS_RDEF, "Cleaning requested") }, /* T */ { SST(0x00, 0x18, SS_RDEF, /* XXX TBD */ "Erase operation in progress") }, /* T */ { SST(0x00, 0x19, SS_RDEF, /* XXX TBD */ "Locate operation in progress") }, /* T */ { SST(0x00, 0x1A, SS_RDEF, /* XXX TBD */ "Rewind operation in progress") }, /* T */ { SST(0x00, 0x1B, SS_RDEF, /* XXX TBD */ "Set capacity operation in progress") }, /* T */ { SST(0x00, 0x1C, SS_RDEF, /* XXX TBD */ "Verify operation in progress") }, /* DT B */ { SST(0x00, 0x1D, SS_RDEF, /* XXX TBD */ "ATA pass through information available") }, /* DT R MAEBKV */ { SST(0x00, 0x1E, SS_RDEF, /* XXX TBD */ "Conflicting SA creation request") }, /* DT B */ { SST(0x00, 0x1F, SS_RDEF, /* XXX TBD */ "Logical unit transitioning to another power condition") }, /* DT P B */ { SST(0x00, 0x20, SS_RDEF, /* XXX TBD */ "Extended copy information available") }, /* D W O BK */ { SST(0x01, 0x00, SS_RDEF, "No index/sector signal") }, /* D WRO BK */ { SST(0x02, 0x00, SS_RDEF, "No seek complete") }, /* DTL W O BK */ { SST(0x03, 0x00, SS_RDEF, "Peripheral device write fault") }, /* T */ { SST(0x03, 0x01, SS_RDEF, "No write current") }, /* T */ { SST(0x03, 0x02, SS_RDEF, "Excessive write errors") }, /* DTLPWROMAEBKVF */ { SST(0x04, 0x00, SS_RDEF, "Logical unit not ready, cause not reportable") }, /* DTLPWROMAEBKVF */ { SST(0x04, 0x01, SS_TUR | SSQ_MANY | SSQ_DECREMENT_COUNT | EBUSY, "Logical unit is in process of becoming ready") }, /* DTLPWROMAEBKVF */ { SST(0x04, 0x02, SS_START | SSQ_DECREMENT_COUNT | ENXIO, "Logical unit not ready, initializing command required") }, /* DTLPWROMAEBKVF */ { SST(0x04, 0x03, SS_FATAL | ENXIO, "Logical unit not ready, manual intervention required") }, /* DTL RO B */ { SST(0x04, 0x04, SS_FATAL | EBUSY, "Logical unit not ready, format in progress") }, /* DT W O A BK F */ { SST(0x04, 0x05, SS_FATAL | EBUSY, "Logical unit not ready, rebuild in progress") }, /* DT W O A BK */ { SST(0x04, 0x06, SS_FATAL | EBUSY, "Logical unit not ready, recalculation in progress") }, /* DTLPWROMAEBKVF */ { SST(0x04, 0x07, SS_FATAL | EBUSY, "Logical unit not ready, operation in progress") }, /* R */ { SST(0x04, 0x08, SS_FATAL | EBUSY, "Logical unit not ready, long write in progress") }, /* DTLPWROMAEBKVF */ { SST(0x04, 0x09, SS_RDEF, /* XXX TBD */ "Logical unit not ready, self-test in progress") }, /* DTLPWROMAEBKVF */ { SST(0x04, 0x0A, SS_RDEF, /* XXX TBD */ "Logical unit not accessible, asymmetric access state transition")}, /* DTLPWROMAEBKVF */ { SST(0x04, 0x0B, SS_RDEF, /* XXX TBD */ "Logical unit not accessible, target port in standby state") }, /* DTLPWROMAEBKVF */ { SST(0x04, 0x0C, SS_RDEF, /* XXX TBD */ "Logical unit not accessible, target port in unavailable state") }, /* F */ { SST(0x04, 0x0D, SS_RDEF, /* XXX TBD */ "Logical unit not ready, structure check required") }, /* DT WROM B */ { SST(0x04, 0x10, SS_RDEF, /* XXX TBD */ "Logical unit not ready, auxiliary memory not accessible") }, /* DT WRO AEB VF */ { SST(0x04, 0x11, SS_RDEF, /* XXX TBD */ "Logical unit not ready, notify (enable spinup) required") }, /* M V */ { SST(0x04, 0x12, SS_RDEF, /* XXX TBD */ "Logical unit not ready, offline") }, /* DT R MAEBKV */ { SST(0x04, 0x13, SS_RDEF, /* XXX TBD */ "Logical unit not ready, SA creation in progress") }, /* D B */ { SST(0x04, 0x14, SS_RDEF, /* XXX TBD */ "Logical unit not ready, space allocation in progress") }, /* M */ { SST(0x04, 0x15, SS_RDEF, /* XXX TBD */ "Logical unit not ready, robotics disabled") }, /* M */ { SST(0x04, 0x16, SS_RDEF, /* XXX TBD */ "Logical unit not ready, configuration required") }, /* M */ { SST(0x04, 0x17, SS_RDEF, /* XXX TBD */ "Logical unit not ready, calibration required") }, /* M */ { SST(0x04, 0x18, SS_RDEF, /* XXX TBD */ "Logical unit not ready, a door is open") }, /* M */ { SST(0x04, 0x19, SS_RDEF, /* XXX TBD */ "Logical unit not ready, operating in sequential mode") }, /* DT B */ { SST(0x04, 0x1A, SS_RDEF, /* XXX TBD */ "Logical unit not ready, START/STOP UNIT command in progress") }, /* D B */ { SST(0x04, 0x1B, SS_RDEF, /* XXX TBD */ "Logical unit not ready, sanitize in progress") }, /* DT MAEB */ { SST(0x04, 0x1C, SS_RDEF, /* XXX TBD */ "Logical unit not ready, additional power use not yet granted") }, /* DTL WROMAEBKVF */ { SST(0x05, 0x00, SS_RDEF, "Logical unit does not respond to selection") }, /* D WROM BK */ { SST(0x06, 0x00, SS_RDEF, "No reference position found") }, /* DTL WROM BK */ { SST(0x07, 0x00, SS_RDEF, "Multiple peripheral devices selected") }, /* DTL WROMAEBKVF */ { SST(0x08, 0x00, SS_RDEF, "Logical unit communication failure") }, /* DTL WROMAEBKVF */ { SST(0x08, 0x01, SS_RDEF, "Logical unit communication time-out") }, /* DTL WROMAEBKVF */ { SST(0x08, 0x02, SS_RDEF, "Logical unit communication parity error") }, /* DT ROM BK */ { SST(0x08, 0x03, SS_RDEF, "Logical unit communication CRC error (Ultra-DMA/32)") }, /* DTLPWRO K */ { SST(0x08, 0x04, SS_RDEF, /* XXX TBD */ "Unreachable copy target") }, /* DT WRO B */ { SST(0x09, 0x00, SS_RDEF, "Track following error") }, /* WRO K */ { SST(0x09, 0x01, SS_RDEF, "Tracking servo failure") }, /* WRO K */ { SST(0x09, 0x02, SS_RDEF, "Focus servo failure") }, /* WRO */ { SST(0x09, 0x03, SS_RDEF, "Spindle servo failure") }, /* DT WRO B */ { SST(0x09, 0x04, SS_RDEF, "Head select fault") }, /* DTLPWROMAEBKVF */ { SST(0x0A, 0x00, SS_FATAL | ENOSPC, "Error log overflow") }, /* DTLPWROMAEBKVF */ { SST(0x0B, 0x00, SS_RDEF, "Warning") }, /* DTLPWROMAEBKVF */ { SST(0x0B, 0x01, SS_RDEF, "Warning - specified temperature exceeded") }, /* DTLPWROMAEBKVF */ { SST(0x0B, 0x02, SS_RDEF, "Warning - enclosure degraded") }, /* DTLPWROMAEBKVF */ { SST(0x0B, 0x03, SS_RDEF, /* XXX TBD */ "Warning - background self-test failed") }, /* DTLPWRO AEBKVF */ { SST(0x0B, 0x04, SS_RDEF, /* XXX TBD */ "Warning - background pre-scan detected medium error") }, /* DTLPWRO AEBKVF */ { SST(0x0B, 0x05, SS_RDEF, /* XXX TBD */ "Warning - background medium scan detected medium error") }, /* DTLPWROMAEBKVF */ { SST(0x0B, 0x06, SS_RDEF, /* XXX TBD */ "Warning - non-volatile cache now volatile") }, /* DTLPWROMAEBKVF */ { SST(0x0B, 0x07, SS_RDEF, /* XXX TBD */ "Warning - degraded power to non-volatile cache") }, /* DTLPWROMAEBKVF */ { SST(0x0B, 0x08, SS_RDEF, /* XXX TBD */ "Warning - power loss expected") }, /* D */ { SST(0x0B, 0x09, SS_RDEF, /* XXX TBD */ "Warning - device statistics notification available") }, /* T R */ { SST(0x0C, 0x00, SS_RDEF, "Write error") }, /* K */ { SST(0x0C, 0x01, SS_NOP | SSQ_PRINT_SENSE, "Write error - recovered with auto reallocation") }, /* D W O BK */ { SST(0x0C, 0x02, SS_RDEF, "Write error - auto reallocation failed") }, /* D W O BK */ { SST(0x0C, 0x03, SS_RDEF, "Write error - recommend reassignment") }, /* DT W O B */ { SST(0x0C, 0x04, SS_RDEF, "Compression check miscompare error") }, /* DT W O B */ { SST(0x0C, 0x05, SS_RDEF, "Data expansion occurred during compression") }, /* DT W O B */ { SST(0x0C, 0x06, SS_RDEF, "Block not compressible") }, /* R */ { SST(0x0C, 0x07, SS_RDEF, "Write error - recovery needed") }, /* R */ { SST(0x0C, 0x08, SS_RDEF, "Write error - recovery failed") }, /* R */ { SST(0x0C, 0x09, SS_RDEF, "Write error - loss of streaming") }, /* R */ { SST(0x0C, 0x0A, SS_RDEF, "Write error - padding blocks added") }, /* DT WROM B */ { SST(0x0C, 0x0B, SS_RDEF, /* XXX TBD */ "Auxiliary memory write error") }, /* DTLPWRO AEBKVF */ { SST(0x0C, 0x0C, SS_RDEF, /* XXX TBD */ "Write error - unexpected unsolicited data") }, /* DTLPWRO AEBKVF */ { SST(0x0C, 0x0D, SS_RDEF, /* XXX TBD */ "Write error - not enough unsolicited data") }, /* DT W O BK */ { SST(0x0C, 0x0E, SS_RDEF, /* XXX TBD */ "Multiple write errors") }, /* R */ { SST(0x0C, 0x0F, SS_RDEF, /* XXX TBD */ "Defects in error window") }, /* DTLPWRO A K */ { SST(0x0D, 0x00, SS_RDEF, /* XXX TBD */ "Error detected by third party temporary initiator") }, /* DTLPWRO A K */ { SST(0x0D, 0x01, SS_RDEF, /* XXX TBD */ "Third party device failure") }, /* DTLPWRO A K */ { SST(0x0D, 0x02, SS_RDEF, /* XXX TBD */ "Copy target device not reachable") }, /* DTLPWRO A K */ { SST(0x0D, 0x03, SS_RDEF, /* XXX TBD */ "Incorrect copy target device type") }, /* DTLPWRO A K */ { SST(0x0D, 0x04, SS_RDEF, /* XXX TBD */ "Copy target device data underrun") }, /* DTLPWRO A K */ { SST(0x0D, 0x05, SS_RDEF, /* XXX TBD */ "Copy target device data overrun") }, /* DT PWROMAEBK F */ { SST(0x0E, 0x00, SS_RDEF, /* XXX TBD */ "Invalid information unit") }, /* DT PWROMAEBK F */ { SST(0x0E, 0x01, SS_RDEF, /* XXX TBD */ "Information unit too short") }, /* DT PWROMAEBK F */ { SST(0x0E, 0x02, SS_RDEF, /* XXX TBD */ "Information unit too long") }, /* DT P R MAEBK F */ { SST(0x0E, 0x03, SS_RDEF, /* XXX TBD */ "Invalid field in command information unit") }, /* D W O BK */ { SST(0x10, 0x00, SS_RDEF, "ID CRC or ECC error") }, /* DT W O */ { SST(0x10, 0x01, SS_RDEF, /* XXX TBD */ "Logical block guard check failed") }, /* DT W O */ { SST(0x10, 0x02, SS_RDEF, /* XXX TBD */ "Logical block application tag check failed") }, /* DT W O */ { SST(0x10, 0x03, SS_RDEF, /* XXX TBD */ "Logical block reference tag check failed") }, /* T */ { SST(0x10, 0x04, SS_RDEF, /* XXX TBD */ "Logical block protection error on recovered buffer data") }, /* T */ { SST(0x10, 0x05, SS_RDEF, /* XXX TBD */ "Logical block protection method error") }, /* DT WRO BK */ { SST(0x11, 0x00, SS_FATAL|EIO, "Unrecovered read error") }, /* DT WRO BK */ { SST(0x11, 0x01, SS_FATAL|EIO, "Read retries exhausted") }, /* DT WRO BK */ { SST(0x11, 0x02, SS_FATAL|EIO, "Error too long to correct") }, /* DT W O BK */ { SST(0x11, 0x03, SS_FATAL|EIO, "Multiple read errors") }, /* D W O BK */ { SST(0x11, 0x04, SS_FATAL|EIO, "Unrecovered read error - auto reallocate failed") }, /* WRO B */ { SST(0x11, 0x05, SS_FATAL|EIO, "L-EC uncorrectable error") }, /* WRO B */ { SST(0x11, 0x06, SS_FATAL|EIO, "CIRC unrecovered error") }, /* W O B */ { SST(0x11, 0x07, SS_RDEF, "Data re-synchronization error") }, /* T */ { SST(0x11, 0x08, SS_RDEF, "Incomplete block read") }, /* T */ { SST(0x11, 0x09, SS_RDEF, "No gap found") }, /* DT O BK */ { SST(0x11, 0x0A, SS_RDEF, "Miscorrected error") }, /* D W O BK */ { SST(0x11, 0x0B, SS_FATAL|EIO, "Unrecovered read error - recommend reassignment") }, /* D W O BK */ { SST(0x11, 0x0C, SS_FATAL|EIO, "Unrecovered read error - recommend rewrite the data") }, /* DT WRO B */ { SST(0x11, 0x0D, SS_RDEF, "De-compression CRC error") }, /* DT WRO B */ { SST(0x11, 0x0E, SS_RDEF, "Cannot decompress using declared algorithm") }, /* R */ { SST(0x11, 0x0F, SS_RDEF, "Error reading UPC/EAN number") }, /* R */ { SST(0x11, 0x10, SS_RDEF, "Error reading ISRC number") }, /* R */ { SST(0x11, 0x11, SS_RDEF, "Read error - loss of streaming") }, /* DT WROM B */ { SST(0x11, 0x12, SS_RDEF, /* XXX TBD */ "Auxiliary memory read error") }, /* DTLPWRO AEBKVF */ { SST(0x11, 0x13, SS_RDEF, /* XXX TBD */ "Read error - failed retransmission request") }, /* D */ { SST(0x11, 0x14, SS_RDEF, /* XXX TBD */ "Read error - LBA marked bad by application client") }, /* D W O BK */ { SST(0x12, 0x00, SS_RDEF, "Address mark not found for ID field") }, /* D W O BK */ { SST(0x13, 0x00, SS_RDEF, "Address mark not found for data field") }, /* DTL WRO BK */ { SST(0x14, 0x00, SS_RDEF, "Recorded entity not found") }, /* DT WRO BK */ { SST(0x14, 0x01, SS_RDEF, "Record not found") }, /* T */ { SST(0x14, 0x02, SS_RDEF, "Filemark or setmark not found") }, /* T */ { SST(0x14, 0x03, SS_RDEF, "End-of-data not found") }, /* T */ { SST(0x14, 0x04, SS_RDEF, "Block sequence error") }, /* DT W O BK */ { SST(0x14, 0x05, SS_RDEF, "Record not found - recommend reassignment") }, /* DT W O BK */ { SST(0x14, 0x06, SS_RDEF, "Record not found - data auto-reallocated") }, /* T */ { SST(0x14, 0x07, SS_RDEF, /* XXX TBD */ "Locate operation failure") }, /* DTL WROM BK */ { SST(0x15, 0x00, SS_RDEF, "Random positioning error") }, /* DTL WROM BK */ { SST(0x15, 0x01, SS_RDEF, "Mechanical positioning error") }, /* DT WRO BK */ { SST(0x15, 0x02, SS_RDEF, "Positioning error detected by read of medium") }, /* D W O BK */ { SST(0x16, 0x00, SS_RDEF, "Data synchronization mark error") }, /* D W O BK */ { SST(0x16, 0x01, SS_RDEF, "Data sync error - data rewritten") }, /* D W O BK */ { SST(0x16, 0x02, SS_RDEF, "Data sync error - recommend rewrite") }, /* D W O BK */ { SST(0x16, 0x03, SS_NOP | SSQ_PRINT_SENSE, "Data sync error - data auto-reallocated") }, /* D W O BK */ { SST(0x16, 0x04, SS_RDEF, "Data sync error - recommend reassignment") }, /* DT WRO BK */ { SST(0x17, 0x00, SS_NOP | SSQ_PRINT_SENSE, "Recovered data with no error correction applied") }, /* DT WRO BK */ { SST(0x17, 0x01, SS_NOP | SSQ_PRINT_SENSE, "Recovered data with retries") }, /* DT WRO BK */ { SST(0x17, 0x02, SS_NOP | SSQ_PRINT_SENSE, "Recovered data with positive head offset") }, /* DT WRO BK */ { SST(0x17, 0x03, SS_NOP | SSQ_PRINT_SENSE, "Recovered data with negative head offset") }, /* WRO B */ { SST(0x17, 0x04, SS_NOP | SSQ_PRINT_SENSE, "Recovered data with retries and/or CIRC applied") }, /* D WRO BK */ { SST(0x17, 0x05, SS_NOP | SSQ_PRINT_SENSE, "Recovered data using previous sector ID") }, /* D W O BK */ { SST(0x17, 0x06, SS_NOP | SSQ_PRINT_SENSE, "Recovered data without ECC - data auto-reallocated") }, /* D WRO BK */ { SST(0x17, 0x07, SS_NOP | SSQ_PRINT_SENSE, "Recovered data without ECC - recommend reassignment") }, /* D WRO BK */ { SST(0x17, 0x08, SS_NOP | SSQ_PRINT_SENSE, "Recovered data without ECC - recommend rewrite") }, /* D WRO BK */ { SST(0x17, 0x09, SS_NOP | SSQ_PRINT_SENSE, "Recovered data without ECC - data rewritten") }, /* DT WRO BK */ { SST(0x18, 0x00, SS_NOP | SSQ_PRINT_SENSE, "Recovered data with error correction applied") }, /* D WRO BK */ { SST(0x18, 0x01, SS_NOP | SSQ_PRINT_SENSE, "Recovered data with error corr. & retries applied") }, /* D WRO BK */ { SST(0x18, 0x02, SS_NOP | SSQ_PRINT_SENSE, "Recovered data - data auto-reallocated") }, /* R */ { SST(0x18, 0x03, SS_NOP | SSQ_PRINT_SENSE, "Recovered data with CIRC") }, /* R */ { SST(0x18, 0x04, SS_NOP | SSQ_PRINT_SENSE, "Recovered data with L-EC") }, /* D WRO BK */ { SST(0x18, 0x05, SS_NOP | SSQ_PRINT_SENSE, "Recovered data - recommend reassignment") }, /* D WRO BK */ { SST(0x18, 0x06, SS_NOP | SSQ_PRINT_SENSE, "Recovered data - recommend rewrite") }, /* D W O BK */ { SST(0x18, 0x07, SS_NOP | SSQ_PRINT_SENSE, "Recovered data with ECC - data rewritten") }, /* R */ { SST(0x18, 0x08, SS_RDEF, /* XXX TBD */ "Recovered data with linking") }, /* D O K */ { SST(0x19, 0x00, SS_RDEF, "Defect list error") }, /* D O K */ { SST(0x19, 0x01, SS_RDEF, "Defect list not available") }, /* D O K */ { SST(0x19, 0x02, SS_RDEF, "Defect list error in primary list") }, /* D O K */ { SST(0x19, 0x03, SS_RDEF, "Defect list error in grown list") }, /* DTLPWROMAEBKVF */ { SST(0x1A, 0x00, SS_RDEF, "Parameter list length error") }, /* DTLPWROMAEBKVF */ { SST(0x1B, 0x00, SS_RDEF, "Synchronous data transfer error") }, /* D O BK */ { SST(0x1C, 0x00, SS_RDEF, "Defect list not found") }, /* D O BK */ { SST(0x1C, 0x01, SS_RDEF, "Primary defect list not found") }, /* D O BK */ { SST(0x1C, 0x02, SS_RDEF, "Grown defect list not found") }, /* DT WRO BK */ { SST(0x1D, 0x00, SS_FATAL, "Miscompare during verify operation") }, /* D B */ { SST(0x1D, 0x01, SS_RDEF, /* XXX TBD */ "Miscomparable verify of unmapped LBA") }, /* D W O BK */ { SST(0x1E, 0x00, SS_NOP | SSQ_PRINT_SENSE, "Recovered ID with ECC correction") }, /* D O K */ { SST(0x1F, 0x00, SS_RDEF, "Partial defect list transfer") }, /* DTLPWROMAEBKVF */ { SST(0x20, 0x00, SS_FATAL | EINVAL, "Invalid command operation code") }, /* DT PWROMAEBK */ { SST(0x20, 0x01, SS_RDEF, /* XXX TBD */ "Access denied - initiator pending-enrolled") }, /* DT PWROMAEBK */ { SST(0x20, 0x02, SS_RDEF, /* XXX TBD */ "Access denied - no access rights") }, /* DT PWROMAEBK */ { SST(0x20, 0x03, SS_RDEF, /* XXX TBD */ "Access denied - invalid mgmt ID key") }, /* T */ { SST(0x20, 0x04, SS_RDEF, /* XXX TBD */ "Illegal command while in write capable state") }, /* T */ { SST(0x20, 0x05, SS_RDEF, /* XXX TBD */ "Obsolete") }, /* T */ { SST(0x20, 0x06, SS_RDEF, /* XXX TBD */ "Illegal command while in explicit address mode") }, /* T */ { SST(0x20, 0x07, SS_RDEF, /* XXX TBD */ "Illegal command while in implicit address mode") }, /* DT PWROMAEBK */ { SST(0x20, 0x08, SS_RDEF, /* XXX TBD */ "Access denied - enrollment conflict") }, /* DT PWROMAEBK */ { SST(0x20, 0x09, SS_RDEF, /* XXX TBD */ "Access denied - invalid LU identifier") }, /* DT PWROMAEBK */ { SST(0x20, 0x0A, SS_RDEF, /* XXX TBD */ "Access denied - invalid proxy token") }, /* DT PWROMAEBK */ { SST(0x20, 0x0B, SS_RDEF, /* XXX TBD */ "Access denied - ACL LUN conflict") }, /* T */ { SST(0x20, 0x0C, SS_FATAL | EINVAL, "Illegal command when not in append-only mode") }, /* DT WRO BK */ { SST(0x21, 0x00, SS_FATAL | EINVAL, "Logical block address out of range") }, /* DT WROM BK */ { SST(0x21, 0x01, SS_FATAL | EINVAL, "Invalid element address") }, /* R */ { SST(0x21, 0x02, SS_RDEF, /* XXX TBD */ "Invalid address for write") }, /* R */ { SST(0x21, 0x03, SS_RDEF, /* XXX TBD */ "Invalid write crossing layer jump") }, /* D */ { SST(0x22, 0x00, SS_FATAL | EINVAL, "Illegal function (use 20 00, 24 00, or 26 00)") }, /* DT P B */ { SST(0x23, 0x00, SS_RDEF, /* XXX TBD */ "Invalid token operation, cause not reportable") }, /* DT P B */ { SST(0x23, 0x01, SS_RDEF, /* XXX TBD */ "Invalid token operation, unsupported token type") }, /* DT P B */ { SST(0x23, 0x02, SS_RDEF, /* XXX TBD */ "Invalid token operation, remote token usage not supported") }, /* DT P B */ { SST(0x23, 0x03, SS_RDEF, /* XXX TBD */ "Invalid token operation, remote ROD token creation not supported") }, /* DT P B */ { SST(0x23, 0x04, SS_RDEF, /* XXX TBD */ "Invalid token operation, token unknown") }, /* DT P B */ { SST(0x23, 0x05, SS_RDEF, /* XXX TBD */ "Invalid token operation, token corrupt") }, /* DT P B */ { SST(0x23, 0x06, SS_RDEF, /* XXX TBD */ "Invalid token operation, token revoked") }, /* DT P B */ { SST(0x23, 0x07, SS_RDEF, /* XXX TBD */ "Invalid token operation, token expired") }, /* DT P B */ { SST(0x23, 0x08, SS_RDEF, /* XXX TBD */ "Invalid token operation, token cancelled") }, /* DT P B */ { SST(0x23, 0x09, SS_RDEF, /* XXX TBD */ "Invalid token operation, token deleted") }, /* DT P B */ { SST(0x23, 0x0A, SS_RDEF, /* XXX TBD */ "Invalid token operation, invalid token length") }, /* DTLPWROMAEBKVF */ { SST(0x24, 0x00, SS_FATAL | EINVAL, "Invalid field in CDB") }, /* DTLPWRO AEBKVF */ { SST(0x24, 0x01, SS_RDEF, /* XXX TBD */ "CDB decryption error") }, /* T */ { SST(0x24, 0x02, SS_RDEF, /* XXX TBD */ "Obsolete") }, /* T */ { SST(0x24, 0x03, SS_RDEF, /* XXX TBD */ "Obsolete") }, /* F */ { SST(0x24, 0x04, SS_RDEF, /* XXX TBD */ "Security audit value frozen") }, /* F */ { SST(0x24, 0x05, SS_RDEF, /* XXX TBD */ "Security working key frozen") }, /* F */ { SST(0x24, 0x06, SS_RDEF, /* XXX TBD */ "NONCE not unique") }, /* F */ { SST(0x24, 0x07, SS_RDEF, /* XXX TBD */ "NONCE timestamp out of range") }, /* DT R MAEBKV */ { SST(0x24, 0x08, SS_RDEF, /* XXX TBD */ "Invalid XCDB") }, /* DTLPWROMAEBKVF */ { SST(0x25, 0x00, SS_FATAL | ENXIO | SSQ_LOST, "Logical unit not supported") }, /* DTLPWROMAEBKVF */ { SST(0x26, 0x00, SS_FATAL | EINVAL, "Invalid field in parameter list") }, /* DTLPWROMAEBKVF */ { SST(0x26, 0x01, SS_FATAL | EINVAL, "Parameter not supported") }, /* DTLPWROMAEBKVF */ { SST(0x26, 0x02, SS_FATAL | EINVAL, "Parameter value invalid") }, /* DTLPWROMAE K */ { SST(0x26, 0x03, SS_FATAL | EINVAL, "Threshold parameters not supported") }, /* DTLPWROMAEBKVF */ { SST(0x26, 0x04, SS_FATAL | EINVAL, "Invalid release of persistent reservation") }, /* DTLPWRO A BK */ { SST(0x26, 0x05, SS_RDEF, /* XXX TBD */ "Data decryption error") }, /* DTLPWRO K */ { SST(0x26, 0x06, SS_RDEF, /* XXX TBD */ "Too many target descriptors") }, /* DTLPWRO K */ { SST(0x26, 0x07, SS_RDEF, /* XXX TBD */ "Unsupported target descriptor type code") }, /* DTLPWRO K */ { SST(0x26, 0x08, SS_RDEF, /* XXX TBD */ "Too many segment descriptors") }, /* DTLPWRO K */ { SST(0x26, 0x09, SS_RDEF, /* XXX TBD */ "Unsupported segment descriptor type code") }, /* DTLPWRO K */ { SST(0x26, 0x0A, SS_RDEF, /* XXX TBD */ "Unexpected inexact segment") }, /* DTLPWRO K */ { SST(0x26, 0x0B, SS_RDEF, /* XXX TBD */ "Inline data length exceeded") }, /* DTLPWRO K */ { SST(0x26, 0x0C, SS_RDEF, /* XXX TBD */ "Invalid operation for copy source or destination") }, /* DTLPWRO K */ { SST(0x26, 0x0D, SS_RDEF, /* XXX TBD */ "Copy segment granularity violation") }, /* DT PWROMAEBK */ { SST(0x26, 0x0E, SS_RDEF, /* XXX TBD */ "Invalid parameter while port is enabled") }, /* F */ { SST(0x26, 0x0F, SS_RDEF, /* XXX TBD */ "Invalid data-out buffer integrity check value") }, /* T */ { SST(0x26, 0x10, SS_RDEF, /* XXX TBD */ "Data decryption key fail limit reached") }, /* T */ { SST(0x26, 0x11, SS_RDEF, /* XXX TBD */ "Incomplete key-associated data set") }, /* T */ { SST(0x26, 0x12, SS_RDEF, /* XXX TBD */ "Vendor specific key reference not found") }, /* DT WRO BK */ { SST(0x27, 0x00, SS_FATAL | EACCES, "Write protected") }, /* DT WRO BK */ { SST(0x27, 0x01, SS_FATAL | EACCES, "Hardware write protected") }, /* DT WRO BK */ { SST(0x27, 0x02, SS_FATAL | EACCES, "Logical unit software write protected") }, /* T R */ { SST(0x27, 0x03, SS_FATAL | EACCES, "Associated write protect") }, /* T R */ { SST(0x27, 0x04, SS_FATAL | EACCES, "Persistent write protect") }, /* T R */ { SST(0x27, 0x05, SS_FATAL | EACCES, "Permanent write protect") }, /* R F */ { SST(0x27, 0x06, SS_RDEF, /* XXX TBD */ "Conditional write protect") }, /* D B */ { SST(0x27, 0x07, SS_RDEF, /* XXX TBD */ "Space allocation failed write protect") }, /* DTLPWROMAEBKVF */ { SST(0x28, 0x00, SS_FATAL | ENXIO, "Not ready to ready change, medium may have changed") }, /* DT WROM B */ { SST(0x28, 0x01, SS_FATAL | ENXIO, "Import or export element accessed") }, /* R */ { SST(0x28, 0x02, SS_RDEF, /* XXX TBD */ "Format-layer may have changed") }, /* M */ { SST(0x28, 0x03, SS_RDEF, /* XXX TBD */ "Import/export element accessed, medium changed") }, /* * XXX JGibbs - All of these should use the same errno, but I don't * think ENXIO is the correct choice. Should we borrow from * the networking errnos? ECONNRESET anyone? */ /* DTLPWROMAEBKVF */ { SST(0x29, 0x00, SS_FATAL | ENXIO, "Power on, reset, or bus device reset occurred") }, /* DTLPWROMAEBKVF */ { SST(0x29, 0x01, SS_RDEF, "Power on occurred") }, /* DTLPWROMAEBKVF */ { SST(0x29, 0x02, SS_RDEF, "SCSI bus reset occurred") }, /* DTLPWROMAEBKVF */ { SST(0x29, 0x03, SS_RDEF, "Bus device reset function occurred") }, /* DTLPWROMAEBKVF */ { SST(0x29, 0x04, SS_RDEF, "Device internal reset") }, /* DTLPWROMAEBKVF */ { SST(0x29, 0x05, SS_RDEF, "Transceiver mode changed to single-ended") }, /* DTLPWROMAEBKVF */ { SST(0x29, 0x06, SS_RDEF, "Transceiver mode changed to LVD") }, /* DTLPWROMAEBKVF */ { SST(0x29, 0x07, SS_RDEF, /* XXX TBD */ "I_T nexus loss occurred") }, /* DTL WROMAEBKVF */ { SST(0x2A, 0x00, SS_RDEF, "Parameters changed") }, /* DTL WROMAEBKVF */ { SST(0x2A, 0x01, SS_RDEF, "Mode parameters changed") }, /* DTL WROMAE K */ { SST(0x2A, 0x02, SS_RDEF, "Log parameters changed") }, /* DTLPWROMAE K */ { SST(0x2A, 0x03, SS_RDEF, "Reservations preempted") }, /* DTLPWROMAE */ { SST(0x2A, 0x04, SS_RDEF, /* XXX TBD */ "Reservations released") }, /* DTLPWROMAE */ { SST(0x2A, 0x05, SS_RDEF, /* XXX TBD */ "Registrations preempted") }, /* DTLPWROMAEBKVF */ { SST(0x2A, 0x06, SS_RDEF, /* XXX TBD */ "Asymmetric access state changed") }, /* DTLPWROMAEBKVF */ { SST(0x2A, 0x07, SS_RDEF, /* XXX TBD */ "Implicit asymmetric access state transition failed") }, /* DT WROMAEBKVF */ { SST(0x2A, 0x08, SS_RDEF, /* XXX TBD */ "Priority changed") }, /* D */ { SST(0x2A, 0x09, SS_RDEF, /* XXX TBD */ "Capacity data has changed") }, /* DT */ { SST(0x2A, 0x0A, SS_RDEF, /* XXX TBD */ "Error history I_T nexus cleared") }, /* DT */ { SST(0x2A, 0x0B, SS_RDEF, /* XXX TBD */ "Error history snapshot released") }, /* F */ { SST(0x2A, 0x0C, SS_RDEF, /* XXX TBD */ "Error recovery attributes have changed") }, /* T */ { SST(0x2A, 0x0D, SS_RDEF, /* XXX TBD */ "Data encryption capabilities changed") }, /* DT M E V */ { SST(0x2A, 0x10, SS_RDEF, /* XXX TBD */ "Timestamp changed") }, /* T */ { SST(0x2A, 0x11, SS_RDEF, /* XXX TBD */ "Data encryption parameters changed by another I_T nexus") }, /* T */ { SST(0x2A, 0x12, SS_RDEF, /* XXX TBD */ "Data encryption parameters changed by vendor specific event") }, /* T */ { SST(0x2A, 0x13, SS_RDEF, /* XXX TBD */ "Data encryption key instance counter has changed") }, /* DT R MAEBKV */ { SST(0x2A, 0x14, SS_RDEF, /* XXX TBD */ "SA creation capabilities data has changed") }, /* T M V */ { SST(0x2A, 0x15, SS_RDEF, /* XXX TBD */ "Medium removal prevention preempted") }, /* DTLPWRO K */ { SST(0x2B, 0x00, SS_RDEF, "Copy cannot execute since host cannot disconnect") }, /* DTLPWROMAEBKVF */ { SST(0x2C, 0x00, SS_RDEF, "Command sequence error") }, /* */ { SST(0x2C, 0x01, SS_RDEF, "Too many windows specified") }, /* */ { SST(0x2C, 0x02, SS_RDEF, "Invalid combination of windows specified") }, /* R */ { SST(0x2C, 0x03, SS_RDEF, "Current program area is not empty") }, /* R */ { SST(0x2C, 0x04, SS_RDEF, "Current program area is empty") }, /* B */ { SST(0x2C, 0x05, SS_RDEF, /* XXX TBD */ "Illegal power condition request") }, /* R */ { SST(0x2C, 0x06, SS_RDEF, /* XXX TBD */ "Persistent prevent conflict") }, /* DTLPWROMAEBKVF */ { SST(0x2C, 0x07, SS_RDEF, /* XXX TBD */ "Previous busy status") }, /* DTLPWROMAEBKVF */ { SST(0x2C, 0x08, SS_RDEF, /* XXX TBD */ "Previous task set full status") }, /* DTLPWROM EBKVF */ { SST(0x2C, 0x09, SS_RDEF, /* XXX TBD */ "Previous reservation conflict status") }, /* F */ { SST(0x2C, 0x0A, SS_RDEF, /* XXX TBD */ "Partition or collection contains user objects") }, /* T */ { SST(0x2C, 0x0B, SS_RDEF, /* XXX TBD */ "Not reserved") }, /* D */ { SST(0x2C, 0x0C, SS_RDEF, /* XXX TBD */ "ORWRITE generation does not match") }, /* T */ { SST(0x2D, 0x00, SS_RDEF, "Overwrite error on update in place") }, /* R */ { SST(0x2E, 0x00, SS_RDEF, /* XXX TBD */ "Insufficient time for operation") }, /* DTLPWROMAEBKVF */ { SST(0x2F, 0x00, SS_RDEF, "Commands cleared by another initiator") }, /* D */ { SST(0x2F, 0x01, SS_RDEF, /* XXX TBD */ "Commands cleared by power loss notification") }, /* DTLPWROMAEBKVF */ { SST(0x2F, 0x02, SS_RDEF, /* XXX TBD */ "Commands cleared by device server") }, /* DT WROM BK */ { SST(0x30, 0x00, SS_RDEF, "Incompatible medium installed") }, /* DT WRO BK */ { SST(0x30, 0x01, SS_RDEF, "Cannot read medium - unknown format") }, /* DT WRO BK */ { SST(0x30, 0x02, SS_RDEF, "Cannot read medium - incompatible format") }, /* DT R K */ { SST(0x30, 0x03, SS_RDEF, "Cleaning cartridge installed") }, /* DT WRO BK */ { SST(0x30, 0x04, SS_RDEF, "Cannot write medium - unknown format") }, /* DT WRO BK */ { SST(0x30, 0x05, SS_RDEF, "Cannot write medium - incompatible format") }, /* DT WRO B */ { SST(0x30, 0x06, SS_RDEF, "Cannot format medium - incompatible medium") }, /* DTL WROMAEBKVF */ { SST(0x30, 0x07, SS_RDEF, "Cleaning failure") }, /* R */ { SST(0x30, 0x08, SS_RDEF, "Cannot write - application code mismatch") }, /* R */ { SST(0x30, 0x09, SS_RDEF, "Current session not fixated for append") }, /* DT WRO AEBK */ { SST(0x30, 0x0A, SS_RDEF, /* XXX TBD */ "Cleaning request rejected") }, /* T */ { SST(0x30, 0x0C, SS_RDEF, /* XXX TBD */ "WORM medium - overwrite attempted") }, /* T */ { SST(0x30, 0x0D, SS_RDEF, /* XXX TBD */ "WORM medium - integrity check") }, /* R */ { SST(0x30, 0x10, SS_RDEF, /* XXX TBD */ "Medium not formatted") }, /* M */ { SST(0x30, 0x11, SS_RDEF, /* XXX TBD */ "Incompatible volume type") }, /* M */ { SST(0x30, 0x12, SS_RDEF, /* XXX TBD */ "Incompatible volume qualifier") }, /* M */ { SST(0x30, 0x13, SS_RDEF, /* XXX TBD */ "Cleaning volume expired") }, /* DT WRO BK */ { SST(0x31, 0x00, SS_RDEF, "Medium format corrupted") }, /* D L RO B */ { SST(0x31, 0x01, SS_RDEF, "Format command failed") }, /* R */ { SST(0x31, 0x02, SS_RDEF, /* XXX TBD */ "Zoned formatting failed due to spare linking") }, /* D B */ { SST(0x31, 0x03, SS_RDEF, /* XXX TBD */ "SANITIZE command failed") }, /* D W O BK */ { SST(0x32, 0x00, SS_RDEF, "No defect spare location available") }, /* D W O BK */ { SST(0x32, 0x01, SS_RDEF, "Defect list update failure") }, /* T */ { SST(0x33, 0x00, SS_RDEF, "Tape length error") }, /* DTLPWROMAEBKVF */ { SST(0x34, 0x00, SS_RDEF, "Enclosure failure") }, /* DTLPWROMAEBKVF */ { SST(0x35, 0x00, SS_RDEF, "Enclosure services failure") }, /* DTLPWROMAEBKVF */ { SST(0x35, 0x01, SS_RDEF, "Unsupported enclosure function") }, /* DTLPWROMAEBKVF */ { SST(0x35, 0x02, SS_RDEF, "Enclosure services unavailable") }, /* DTLPWROMAEBKVF */ { SST(0x35, 0x03, SS_RDEF, "Enclosure services transfer failure") }, /* DTLPWROMAEBKVF */ { SST(0x35, 0x04, SS_RDEF, "Enclosure services transfer refused") }, /* DTL WROMAEBKVF */ { SST(0x35, 0x05, SS_RDEF, /* XXX TBD */ "Enclosure services checksum error") }, /* L */ { SST(0x36, 0x00, SS_RDEF, "Ribbon, ink, or toner failure") }, /* DTL WROMAEBKVF */ { SST(0x37, 0x00, SS_RDEF, "Rounded parameter") }, /* B */ { SST(0x38, 0x00, SS_RDEF, /* XXX TBD */ "Event status notification") }, /* B */ { SST(0x38, 0x02, SS_RDEF, /* XXX TBD */ "ESN - power management class event") }, /* B */ { SST(0x38, 0x04, SS_RDEF, /* XXX TBD */ "ESN - media class event") }, /* B */ { SST(0x38, 0x06, SS_RDEF, /* XXX TBD */ "ESN - device busy class event") }, /* D */ { SST(0x38, 0x07, SS_RDEF, /* XXX TBD */ "Thin provisioning soft threshold reached") }, /* DTL WROMAE K */ { SST(0x39, 0x00, SS_RDEF, "Saving parameters not supported") }, /* DTL WROM BK */ { SST(0x3A, 0x00, SS_FATAL | ENXIO, "Medium not present") }, /* DT WROM BK */ { SST(0x3A, 0x01, SS_FATAL | ENXIO, "Medium not present - tray closed") }, /* DT WROM BK */ { SST(0x3A, 0x02, SS_FATAL | ENXIO, "Medium not present - tray open") }, /* DT WROM B */ { SST(0x3A, 0x03, SS_RDEF, /* XXX TBD */ "Medium not present - loadable") }, /* DT WRO B */ { SST(0x3A, 0x04, SS_RDEF, /* XXX TBD */ "Medium not present - medium auxiliary memory accessible") }, /* TL */ { SST(0x3B, 0x00, SS_RDEF, "Sequential positioning error") }, /* T */ { SST(0x3B, 0x01, SS_RDEF, "Tape position error at beginning-of-medium") }, /* T */ { SST(0x3B, 0x02, SS_RDEF, "Tape position error at end-of-medium") }, /* L */ { SST(0x3B, 0x03, SS_RDEF, "Tape or electronic vertical forms unit not ready") }, /* L */ { SST(0x3B, 0x04, SS_RDEF, "Slew failure") }, /* L */ { SST(0x3B, 0x05, SS_RDEF, "Paper jam") }, /* L */ { SST(0x3B, 0x06, SS_RDEF, "Failed to sense top-of-form") }, /* L */ { SST(0x3B, 0x07, SS_RDEF, "Failed to sense bottom-of-form") }, /* T */ { SST(0x3B, 0x08, SS_RDEF, "Reposition error") }, /* */ { SST(0x3B, 0x09, SS_RDEF, "Read past end of medium") }, /* */ { SST(0x3B, 0x0A, SS_RDEF, "Read past beginning of medium") }, /* */ { SST(0x3B, 0x0B, SS_RDEF, "Position past end of medium") }, /* T */ { SST(0x3B, 0x0C, SS_RDEF, "Position past beginning of medium") }, /* DT WROM BK */ { SST(0x3B, 0x0D, SS_FATAL | ENOSPC, "Medium destination element full") }, /* DT WROM BK */ { SST(0x3B, 0x0E, SS_RDEF, "Medium source element empty") }, /* R */ { SST(0x3B, 0x0F, SS_RDEF, "End of medium reached") }, /* DT WROM BK */ { SST(0x3B, 0x11, SS_RDEF, "Medium magazine not accessible") }, /* DT WROM BK */ { SST(0x3B, 0x12, SS_RDEF, "Medium magazine removed") }, /* DT WROM BK */ { SST(0x3B, 0x13, SS_RDEF, "Medium magazine inserted") }, /* DT WROM BK */ { SST(0x3B, 0x14, SS_RDEF, "Medium magazine locked") }, /* DT WROM BK */ { SST(0x3B, 0x15, SS_RDEF, "Medium magazine unlocked") }, /* R */ { SST(0x3B, 0x16, SS_RDEF, /* XXX TBD */ "Mechanical positioning or changer error") }, /* F */ { SST(0x3B, 0x17, SS_RDEF, /* XXX TBD */ "Read past end of user object") }, /* M */ { SST(0x3B, 0x18, SS_RDEF, /* XXX TBD */ "Element disabled") }, /* M */ { SST(0x3B, 0x19, SS_RDEF, /* XXX TBD */ "Element enabled") }, /* M */ { SST(0x3B, 0x1A, SS_RDEF, /* XXX TBD */ "Data transfer device removed") }, /* M */ { SST(0x3B, 0x1B, SS_RDEF, /* XXX TBD */ "Data transfer device inserted") }, /* T */ { SST(0x3B, 0x1C, SS_RDEF, /* XXX TBD */ "Too many logical objects on partition to support operation") }, /* DTLPWROMAE K */ { SST(0x3D, 0x00, SS_RDEF, "Invalid bits in IDENTIFY message") }, /* DTLPWROMAEBKVF */ { SST(0x3E, 0x00, SS_RDEF, "Logical unit has not self-configured yet") }, /* DTLPWROMAEBKVF */ { SST(0x3E, 0x01, SS_RDEF, "Logical unit failure") }, /* DTLPWROMAEBKVF */ { SST(0x3E, 0x02, SS_RDEF, "Timeout on logical unit") }, /* DTLPWROMAEBKVF */ { SST(0x3E, 0x03, SS_RDEF, /* XXX TBD */ "Logical unit failed self-test") }, /* DTLPWROMAEBKVF */ { SST(0x3E, 0x04, SS_RDEF, /* XXX TBD */ "Logical unit unable to update self-test log") }, /* DTLPWROMAEBKVF */ { SST(0x3F, 0x00, SS_RDEF, "Target operating conditions have changed") }, /* DTLPWROMAEBKVF */ { SST(0x3F, 0x01, SS_RDEF, "Microcode has been changed") }, /* DTLPWROM BK */ { SST(0x3F, 0x02, SS_RDEF, "Changed operating definition") }, /* DTLPWROMAEBKVF */ { SST(0x3F, 0x03, SS_RDEF, "INQUIRY data has changed") }, /* DT WROMAEBK */ { SST(0x3F, 0x04, SS_RDEF, "Component device attached") }, /* DT WROMAEBK */ { SST(0x3F, 0x05, SS_RDEF, "Device identifier changed") }, /* DT WROMAEB */ { SST(0x3F, 0x06, SS_RDEF, "Redundancy group created or modified") }, /* DT WROMAEB */ { SST(0x3F, 0x07, SS_RDEF, "Redundancy group deleted") }, /* DT WROMAEB */ { SST(0x3F, 0x08, SS_RDEF, "Spare created or modified") }, /* DT WROMAEB */ { SST(0x3F, 0x09, SS_RDEF, "Spare deleted") }, /* DT WROMAEBK */ { SST(0x3F, 0x0A, SS_RDEF, "Volume set created or modified") }, /* DT WROMAEBK */ { SST(0x3F, 0x0B, SS_RDEF, "Volume set deleted") }, /* DT WROMAEBK */ { SST(0x3F, 0x0C, SS_RDEF, "Volume set deassigned") }, /* DT WROMAEBK */ { SST(0x3F, 0x0D, SS_RDEF, "Volume set reassigned") }, /* DTLPWROMAE */ { SST(0x3F, 0x0E, SS_RDEF | SSQ_RESCAN , "Reported LUNs data has changed") }, /* DTLPWROMAEBKVF */ { SST(0x3F, 0x0F, SS_RDEF, /* XXX TBD */ "Echo buffer overwritten") }, /* DT WROM B */ { SST(0x3F, 0x10, SS_RDEF, /* XXX TBD */ "Medium loadable") }, /* DT WROM B */ { SST(0x3F, 0x11, SS_RDEF, /* XXX TBD */ "Medium auxiliary memory accessible") }, /* DTLPWR MAEBK F */ { SST(0x3F, 0x12, SS_RDEF, /* XXX TBD */ "iSCSI IP address added") }, /* DTLPWR MAEBK F */ { SST(0x3F, 0x13, SS_RDEF, /* XXX TBD */ "iSCSI IP address removed") }, /* DTLPWR MAEBK F */ { SST(0x3F, 0x14, SS_RDEF, /* XXX TBD */ "iSCSI IP address changed") }, /* D */ { SST(0x40, 0x00, SS_RDEF, "RAM failure") }, /* deprecated - use 40 NN instead */ /* DTLPWROMAEBKVF */ { SST(0x40, 0x80, SS_RDEF, "Diagnostic failure: ASCQ = Component ID") }, /* DTLPWROMAEBKVF */ { SST(0x40, 0xFF, SS_RDEF | SSQ_RANGE, NULL) }, /* Range 0x80->0xFF */ /* D */ { SST(0x41, 0x00, SS_RDEF, "Data path failure") }, /* deprecated - use 40 NN instead */ /* D */ { SST(0x42, 0x00, SS_RDEF, "Power-on or self-test failure") }, /* deprecated - use 40 NN instead */ /* DTLPWROMAEBKVF */ { SST(0x43, 0x00, SS_RDEF, "Message error") }, /* DTLPWROMAEBKVF */ { SST(0x44, 0x00, SS_RDEF, "Internal target failure") }, /* DT P MAEBKVF */ { SST(0x44, 0x01, SS_RDEF, /* XXX TBD */ "Persistent reservation information lost") }, /* DT B */ { SST(0x44, 0x71, SS_RDEF, /* XXX TBD */ "ATA device failed set features") }, /* DTLPWROMAEBKVF */ { SST(0x45, 0x00, SS_RDEF, "Select or reselect failure") }, /* DTLPWROM BK */ { SST(0x46, 0x00, SS_RDEF, "Unsuccessful soft reset") }, /* DTLPWROMAEBKVF */ { SST(0x47, 0x00, SS_RDEF, "SCSI parity error") }, /* DTLPWROMAEBKVF */ { SST(0x47, 0x01, SS_RDEF, /* XXX TBD */ "Data phase CRC error detected") }, /* DTLPWROMAEBKVF */ { SST(0x47, 0x02, SS_RDEF, /* XXX TBD */ "SCSI parity error detected during ST data phase") }, /* DTLPWROMAEBKVF */ { SST(0x47, 0x03, SS_RDEF, /* XXX TBD */ "Information unit iuCRC error detected") }, /* DTLPWROMAEBKVF */ { SST(0x47, 0x04, SS_RDEF, /* XXX TBD */ "Asynchronous information protection error detected") }, /* DTLPWROMAEBKVF */ { SST(0x47, 0x05, SS_RDEF, /* XXX TBD */ "Protocol service CRC error") }, /* DT MAEBKVF */ { SST(0x47, 0x06, SS_RDEF, /* XXX TBD */ "PHY test function in progress") }, /* DT PWROMAEBK */ { SST(0x47, 0x7F, SS_RDEF, /* XXX TBD */ "Some commands cleared by iSCSI protocol event") }, /* DTLPWROMAEBKVF */ { SST(0x48, 0x00, SS_RDEF, "Initiator detected error message received") }, /* DTLPWROMAEBKVF */ { SST(0x49, 0x00, SS_RDEF, "Invalid message error") }, /* DTLPWROMAEBKVF */ { SST(0x4A, 0x00, SS_RDEF, "Command phase error") }, /* DTLPWROMAEBKVF */ { SST(0x4B, 0x00, SS_RDEF, "Data phase error") }, /* DT PWROMAEBK */ { SST(0x4B, 0x01, SS_RDEF, /* XXX TBD */ "Invalid target port transfer tag received") }, /* DT PWROMAEBK */ { SST(0x4B, 0x02, SS_RDEF, /* XXX TBD */ "Too much write data") }, /* DT PWROMAEBK */ { SST(0x4B, 0x03, SS_RDEF, /* XXX TBD */ "ACK/NAK timeout") }, /* DT PWROMAEBK */ { SST(0x4B, 0x04, SS_RDEF, /* XXX TBD */ "NAK received") }, /* DT PWROMAEBK */ { SST(0x4B, 0x05, SS_RDEF, /* XXX TBD */ "Data offset error") }, /* DT PWROMAEBK */ { SST(0x4B, 0x06, SS_RDEF, /* XXX TBD */ "Initiator response timeout") }, /* DT PWROMAEBK F */ { SST(0x4B, 0x07, SS_RDEF, /* XXX TBD */ "Connection lost") }, /* DT PWROMAEBK F */ { SST(0x4B, 0x08, SS_RDEF, /* XXX TBD */ "Data-in buffer overflow - data buffer size") }, /* DT PWROMAEBK F */ { SST(0x4B, 0x09, SS_RDEF, /* XXX TBD */ "Data-in buffer overflow - data buffer descriptor area") }, /* DT PWROMAEBK F */ { SST(0x4B, 0x0A, SS_RDEF, /* XXX TBD */ "Data-in buffer error") }, /* DT PWROMAEBK F */ { SST(0x4B, 0x0B, SS_RDEF, /* XXX TBD */ "Data-out buffer overflow - data buffer size") }, /* DT PWROMAEBK F */ { SST(0x4B, 0x0C, SS_RDEF, /* XXX TBD */ "Data-out buffer overflow - data buffer descriptor area") }, /* DT PWROMAEBK F */ { SST(0x4B, 0x0D, SS_RDEF, /* XXX TBD */ "Data-out buffer error") }, /* DTLPWROMAEBKVF */ { SST(0x4C, 0x00, SS_RDEF, "Logical unit failed self-configuration") }, /* DTLPWROMAEBKVF */ { SST(0x4D, 0x00, SS_RDEF, "Tagged overlapped commands: ASCQ = Queue tag ID") }, /* DTLPWROMAEBKVF */ { SST(0x4D, 0xFF, SS_RDEF | SSQ_RANGE, NULL) }, /* Range 0x00->0xFF */ /* DTLPWROMAEBKVF */ { SST(0x4E, 0x00, SS_RDEF, "Overlapped commands attempted") }, /* T */ { SST(0x50, 0x00, SS_RDEF, "Write append error") }, /* T */ { SST(0x50, 0x01, SS_RDEF, "Write append position error") }, /* T */ { SST(0x50, 0x02, SS_RDEF, "Position error related to timing") }, /* T RO */ { SST(0x51, 0x00, SS_RDEF, "Erase failure") }, /* R */ { SST(0x51, 0x01, SS_RDEF, /* XXX TBD */ "Erase failure - incomplete erase operation detected") }, /* T */ { SST(0x52, 0x00, SS_RDEF, "Cartridge fault") }, /* DTL WROM BK */ { SST(0x53, 0x00, SS_RDEF, "Media load or eject failed") }, /* T */ { SST(0x53, 0x01, SS_RDEF, "Unload tape failure") }, /* DT WROM BK */ { SST(0x53, 0x02, SS_RDEF, "Medium removal prevented") }, /* M */ { SST(0x53, 0x03, SS_RDEF, /* XXX TBD */ "Medium removal prevented by data transfer element") }, /* T */ { SST(0x53, 0x04, SS_RDEF, /* XXX TBD */ "Medium thread or unthread failure") }, /* M */ { SST(0x53, 0x05, SS_RDEF, /* XXX TBD */ "Volume identifier invalid") }, /* T */ { SST(0x53, 0x06, SS_RDEF, /* XXX TBD */ "Volume identifier missing") }, /* M */ { SST(0x53, 0x07, SS_RDEF, /* XXX TBD */ "Duplicate volume identifier") }, /* M */ { SST(0x53, 0x08, SS_RDEF, /* XXX TBD */ "Element status unknown") }, /* P */ { SST(0x54, 0x00, SS_RDEF, "SCSI to host system interface failure") }, /* P */ { SST(0x55, 0x00, SS_RDEF, "System resource failure") }, /* D O BK */ { SST(0x55, 0x01, SS_FATAL | ENOSPC, "System buffer full") }, /* DTLPWROMAE K */ { SST(0x55, 0x02, SS_RDEF, /* XXX TBD */ "Insufficient reservation resources") }, /* DTLPWROMAE K */ { SST(0x55, 0x03, SS_RDEF, /* XXX TBD */ "Insufficient resources") }, /* DTLPWROMAE K */ { SST(0x55, 0x04, SS_RDEF, /* XXX TBD */ "Insufficient registration resources") }, /* DT PWROMAEBK */ { SST(0x55, 0x05, SS_RDEF, /* XXX TBD */ "Insufficient access control resources") }, /* DT WROM B */ { SST(0x55, 0x06, SS_RDEF, /* XXX TBD */ "Auxiliary memory out of space") }, /* F */ { SST(0x55, 0x07, SS_RDEF, /* XXX TBD */ "Quota error") }, /* T */ { SST(0x55, 0x08, SS_RDEF, /* XXX TBD */ "Maximum number of supplemental decryption keys exceeded") }, /* M */ { SST(0x55, 0x09, SS_RDEF, /* XXX TBD */ "Medium auxiliary memory not accessible") }, /* M */ { SST(0x55, 0x0A, SS_RDEF, /* XXX TBD */ "Data currently unavailable") }, /* DTLPWROMAEBKVF */ { SST(0x55, 0x0B, SS_RDEF, /* XXX TBD */ "Insufficient power for operation") }, /* DT P B */ { SST(0x55, 0x0C, SS_RDEF, /* XXX TBD */ "Insufficient resources to create ROD") }, /* DT P B */ { SST(0x55, 0x0D, SS_RDEF, /* XXX TBD */ "Insufficient resources to create ROD token") }, /* R */ { SST(0x57, 0x00, SS_RDEF, "Unable to recover table-of-contents") }, /* O */ { SST(0x58, 0x00, SS_RDEF, "Generation does not exist") }, /* O */ { SST(0x59, 0x00, SS_RDEF, "Updated block read") }, /* DTLPWRO BK */ { SST(0x5A, 0x00, SS_RDEF, "Operator request or state change input") }, /* DT WROM BK */ { SST(0x5A, 0x01, SS_RDEF, "Operator medium removal request") }, /* DT WRO A BK */ { SST(0x5A, 0x02, SS_RDEF, "Operator selected write protect") }, /* DT WRO A BK */ { SST(0x5A, 0x03, SS_RDEF, "Operator selected write permit") }, /* DTLPWROM K */ { SST(0x5B, 0x00, SS_RDEF, "Log exception") }, /* DTLPWROM K */ { SST(0x5B, 0x01, SS_RDEF, "Threshold condition met") }, /* DTLPWROM K */ { SST(0x5B, 0x02, SS_RDEF, "Log counter at maximum") }, /* DTLPWROM K */ { SST(0x5B, 0x03, SS_RDEF, "Log list codes exhausted") }, /* D O */ { SST(0x5C, 0x00, SS_RDEF, "RPL status change") }, /* D O */ { SST(0x5C, 0x01, SS_NOP | SSQ_PRINT_SENSE, "Spindles synchronized") }, /* D O */ { SST(0x5C, 0x02, SS_RDEF, "Spindles not synchronized") }, /* DTLPWROMAEBKVF */ { SST(0x5D, 0x00, SS_RDEF, "Failure prediction threshold exceeded") }, /* R B */ { SST(0x5D, 0x01, SS_RDEF, /* XXX TBD */ "Media failure prediction threshold exceeded") }, /* R */ { SST(0x5D, 0x02, SS_RDEF, /* XXX TBD */ "Logical unit failure prediction threshold exceeded") }, /* R */ { SST(0x5D, 0x03, SS_RDEF, /* XXX TBD */ "Spare area exhaustion prediction threshold exceeded") }, /* D B */ { SST(0x5D, 0x10, SS_RDEF, /* XXX TBD */ "Hardware impending failure general hard drive failure") }, /* D B */ { SST(0x5D, 0x11, SS_RDEF, /* XXX TBD */ "Hardware impending failure drive error rate too high") }, /* D B */ { SST(0x5D, 0x12, SS_RDEF, /* XXX TBD */ "Hardware impending failure data error rate too high") }, /* D B */ { SST(0x5D, 0x13, SS_RDEF, /* XXX TBD */ "Hardware impending failure seek error rate too high") }, /* D B */ { SST(0x5D, 0x14, SS_RDEF, /* XXX TBD */ "Hardware impending failure too many block reassigns") }, /* D B */ { SST(0x5D, 0x15, SS_RDEF, /* XXX TBD */ "Hardware impending failure access times too high") }, /* D B */ { SST(0x5D, 0x16, SS_RDEF, /* XXX TBD */ "Hardware impending failure start unit times too high") }, /* D B */ { SST(0x5D, 0x17, SS_RDEF, /* XXX TBD */ "Hardware impending failure channel parametrics") }, /* D B */ { SST(0x5D, 0x18, SS_RDEF, /* XXX TBD */ "Hardware impending failure controller detected") }, /* D B */ { SST(0x5D, 0x19, SS_RDEF, /* XXX TBD */ "Hardware impending failure throughput performance") }, /* D B */ { SST(0x5D, 0x1A, SS_RDEF, /* XXX TBD */ "Hardware impending failure seek time performance") }, /* D B */ { SST(0x5D, 0x1B, SS_RDEF, /* XXX TBD */ "Hardware impending failure spin-up retry count") }, /* D B */ { SST(0x5D, 0x1C, SS_RDEF, /* XXX TBD */ "Hardware impending failure drive calibration retry count") }, /* D B */ { SST(0x5D, 0x20, SS_RDEF, /* XXX TBD */ "Controller impending failure general hard drive failure") }, /* D B */ { SST(0x5D, 0x21, SS_RDEF, /* XXX TBD */ "Controller impending failure drive error rate too high") }, /* D B */ { SST(0x5D, 0x22, SS_RDEF, /* XXX TBD */ "Controller impending failure data error rate too high") }, /* D B */ { SST(0x5D, 0x23, SS_RDEF, /* XXX TBD */ "Controller impending failure seek error rate too high") }, /* D B */ { SST(0x5D, 0x24, SS_RDEF, /* XXX TBD */ "Controller impending failure too many block reassigns") }, /* D B */ { SST(0x5D, 0x25, SS_RDEF, /* XXX TBD */ "Controller impending failure access times too high") }, /* D B */ { SST(0x5D, 0x26, SS_RDEF, /* XXX TBD */ "Controller impending failure start unit times too high") }, /* D B */ { SST(0x5D, 0x27, SS_RDEF, /* XXX TBD */ "Controller impending failure channel parametrics") }, /* D B */ { SST(0x5D, 0x28, SS_RDEF, /* XXX TBD */ "Controller impending failure controller detected") }, /* D B */ { SST(0x5D, 0x29, SS_RDEF, /* XXX TBD */ "Controller impending failure throughput performance") }, /* D B */ { SST(0x5D, 0x2A, SS_RDEF, /* XXX TBD */ "Controller impending failure seek time performance") }, /* D B */ { SST(0x5D, 0x2B, SS_RDEF, /* XXX TBD */ "Controller impending failure spin-up retry count") }, /* D B */ { SST(0x5D, 0x2C, SS_RDEF, /* XXX TBD */ "Controller impending failure drive calibration retry count") }, /* D B */ { SST(0x5D, 0x30, SS_RDEF, /* XXX TBD */ "Data channel impending failure general hard drive failure") }, /* D B */ { SST(0x5D, 0x31, SS_RDEF, /* XXX TBD */ "Data channel impending failure drive error rate too high") }, /* D B */ { SST(0x5D, 0x32, SS_RDEF, /* XXX TBD */ "Data channel impending failure data error rate too high") }, /* D B */ { SST(0x5D, 0x33, SS_RDEF, /* XXX TBD */ "Data channel impending failure seek error rate too high") }, /* D B */ { SST(0x5D, 0x34, SS_RDEF, /* XXX TBD */ "Data channel impending failure too many block reassigns") }, /* D B */ { SST(0x5D, 0x35, SS_RDEF, /* XXX TBD */ "Data channel impending failure access times too high") }, /* D B */ { SST(0x5D, 0x36, SS_RDEF, /* XXX TBD */ "Data channel impending failure start unit times too high") }, /* D B */ { SST(0x5D, 0x37, SS_RDEF, /* XXX TBD */ "Data channel impending failure channel parametrics") }, /* D B */ { SST(0x5D, 0x38, SS_RDEF, /* XXX TBD */ "Data channel impending failure controller detected") }, /* D B */ { SST(0x5D, 0x39, SS_RDEF, /* XXX TBD */ "Data channel impending failure throughput performance") }, /* D B */ { SST(0x5D, 0x3A, SS_RDEF, /* XXX TBD */ "Data channel impending failure seek time performance") }, /* D B */ { SST(0x5D, 0x3B, SS_RDEF, /* XXX TBD */ "Data channel impending failure spin-up retry count") }, /* D B */ { SST(0x5D, 0x3C, SS_RDEF, /* XXX TBD */ "Data channel impending failure drive calibration retry count") }, /* D B */ { SST(0x5D, 0x40, SS_RDEF, /* XXX TBD */ "Servo impending failure general hard drive failure") }, /* D B */ { SST(0x5D, 0x41, SS_RDEF, /* XXX TBD */ "Servo impending failure drive error rate too high") }, /* D B */ { SST(0x5D, 0x42, SS_RDEF, /* XXX TBD */ "Servo impending failure data error rate too high") }, /* D B */ { SST(0x5D, 0x43, SS_RDEF, /* XXX TBD */ "Servo impending failure seek error rate too high") }, /* D B */ { SST(0x5D, 0x44, SS_RDEF, /* XXX TBD */ "Servo impending failure too many block reassigns") }, /* D B */ { SST(0x5D, 0x45, SS_RDEF, /* XXX TBD */ "Servo impending failure access times too high") }, /* D B */ { SST(0x5D, 0x46, SS_RDEF, /* XXX TBD */ "Servo impending failure start unit times too high") }, /* D B */ { SST(0x5D, 0x47, SS_RDEF, /* XXX TBD */ "Servo impending failure channel parametrics") }, /* D B */ { SST(0x5D, 0x48, SS_RDEF, /* XXX TBD */ "Servo impending failure controller detected") }, /* D B */ { SST(0x5D, 0x49, SS_RDEF, /* XXX TBD */ "Servo impending failure throughput performance") }, /* D B */ { SST(0x5D, 0x4A, SS_RDEF, /* XXX TBD */ "Servo impending failure seek time performance") }, /* D B */ { SST(0x5D, 0x4B, SS_RDEF, /* XXX TBD */ "Servo impending failure spin-up retry count") }, /* D B */ { SST(0x5D, 0x4C, SS_RDEF, /* XXX TBD */ "Servo impending failure drive calibration retry count") }, /* D B */ { SST(0x5D, 0x50, SS_RDEF, /* XXX TBD */ "Spindle impending failure general hard drive failure") }, /* D B */ { SST(0x5D, 0x51, SS_RDEF, /* XXX TBD */ "Spindle impending failure drive error rate too high") }, /* D B */ { SST(0x5D, 0x52, SS_RDEF, /* XXX TBD */ "Spindle impending failure data error rate too high") }, /* D B */ { SST(0x5D, 0x53, SS_RDEF, /* XXX TBD */ "Spindle impending failure seek error rate too high") }, /* D B */ { SST(0x5D, 0x54, SS_RDEF, /* XXX TBD */ "Spindle impending failure too many block reassigns") }, /* D B */ { SST(0x5D, 0x55, SS_RDEF, /* XXX TBD */ "Spindle impending failure access times too high") }, /* D B */ { SST(0x5D, 0x56, SS_RDEF, /* XXX TBD */ "Spindle impending failure start unit times too high") }, /* D B */ { SST(0x5D, 0x57, SS_RDEF, /* XXX TBD */ "Spindle impending failure channel parametrics") }, /* D B */ { SST(0x5D, 0x58, SS_RDEF, /* XXX TBD */ "Spindle impending failure controller detected") }, /* D B */ { SST(0x5D, 0x59, SS_RDEF, /* XXX TBD */ "Spindle impending failure throughput performance") }, /* D B */ { SST(0x5D, 0x5A, SS_RDEF, /* XXX TBD */ "Spindle impending failure seek time performance") }, /* D B */ { SST(0x5D, 0x5B, SS_RDEF, /* XXX TBD */ "Spindle impending failure spin-up retry count") }, /* D B */ { SST(0x5D, 0x5C, SS_RDEF, /* XXX TBD */ "Spindle impending failure drive calibration retry count") }, /* D B */ { SST(0x5D, 0x60, SS_RDEF, /* XXX TBD */ "Firmware impending failure general hard drive failure") }, /* D B */ { SST(0x5D, 0x61, SS_RDEF, /* XXX TBD */ "Firmware impending failure drive error rate too high") }, /* D B */ { SST(0x5D, 0x62, SS_RDEF, /* XXX TBD */ "Firmware impending failure data error rate too high") }, /* D B */ { SST(0x5D, 0x63, SS_RDEF, /* XXX TBD */ "Firmware impending failure seek error rate too high") }, /* D B */ { SST(0x5D, 0x64, SS_RDEF, /* XXX TBD */ "Firmware impending failure too many block reassigns") }, /* D B */ { SST(0x5D, 0x65, SS_RDEF, /* XXX TBD */ "Firmware impending failure access times too high") }, /* D B */ { SST(0x5D, 0x66, SS_RDEF, /* XXX TBD */ "Firmware impending failure start unit times too high") }, /* D B */ { SST(0x5D, 0x67, SS_RDEF, /* XXX TBD */ "Firmware impending failure channel parametrics") }, /* D B */ { SST(0x5D, 0x68, SS_RDEF, /* XXX TBD */ "Firmware impending failure controller detected") }, /* D B */ { SST(0x5D, 0x69, SS_RDEF, /* XXX TBD */ "Firmware impending failure throughput performance") }, /* D B */ { SST(0x5D, 0x6A, SS_RDEF, /* XXX TBD */ "Firmware impending failure seek time performance") }, /* D B */ { SST(0x5D, 0x6B, SS_RDEF, /* XXX TBD */ "Firmware impending failure spin-up retry count") }, /* D B */ { SST(0x5D, 0x6C, SS_RDEF, /* XXX TBD */ "Firmware impending failure drive calibration retry count") }, /* DTLPWROMAEBKVF */ { SST(0x5D, 0xFF, SS_RDEF, "Failure prediction threshold exceeded (false)") }, /* DTLPWRO A K */ { SST(0x5E, 0x00, SS_RDEF, "Low power condition on") }, /* DTLPWRO A K */ { SST(0x5E, 0x01, SS_RDEF, "Idle condition activated by timer") }, /* DTLPWRO A K */ { SST(0x5E, 0x02, SS_RDEF, "Standby condition activated by timer") }, /* DTLPWRO A K */ { SST(0x5E, 0x03, SS_RDEF, "Idle condition activated by command") }, /* DTLPWRO A K */ { SST(0x5E, 0x04, SS_RDEF, "Standby condition activated by command") }, /* DTLPWRO A K */ { SST(0x5E, 0x05, SS_RDEF, "Idle-B condition activated by timer") }, /* DTLPWRO A K */ { SST(0x5E, 0x06, SS_RDEF, "Idle-B condition activated by command") }, /* DTLPWRO A K */ { SST(0x5E, 0x07, SS_RDEF, "Idle-C condition activated by timer") }, /* DTLPWRO A K */ { SST(0x5E, 0x08, SS_RDEF, "Idle-C condition activated by command") }, /* DTLPWRO A K */ { SST(0x5E, 0x09, SS_RDEF, "Standby-Y condition activated by timer") }, /* DTLPWRO A K */ { SST(0x5E, 0x0A, SS_RDEF, "Standby-Y condition activated by command") }, /* B */ { SST(0x5E, 0x41, SS_RDEF, /* XXX TBD */ "Power state change to active") }, /* B */ { SST(0x5E, 0x42, SS_RDEF, /* XXX TBD */ "Power state change to idle") }, /* B */ { SST(0x5E, 0x43, SS_RDEF, /* XXX TBD */ "Power state change to standby") }, /* B */ { SST(0x5E, 0x45, SS_RDEF, /* XXX TBD */ "Power state change to sleep") }, /* BK */ { SST(0x5E, 0x47, SS_RDEF, /* XXX TBD */ "Power state change to device control") }, /* */ { SST(0x60, 0x00, SS_RDEF, "Lamp failure") }, /* */ { SST(0x61, 0x00, SS_RDEF, "Video acquisition error") }, /* */ { SST(0x61, 0x01, SS_RDEF, "Unable to acquire video") }, /* */ { SST(0x61, 0x02, SS_RDEF, "Out of focus") }, /* */ { SST(0x62, 0x00, SS_RDEF, "Scan head positioning error") }, /* R */ { SST(0x63, 0x00, SS_RDEF, "End of user area encountered on this track") }, /* R */ { SST(0x63, 0x01, SS_FATAL | ENOSPC, "Packet does not fit in available space") }, /* R */ { SST(0x64, 0x00, SS_FATAL | ENXIO, "Illegal mode for this track") }, /* R */ { SST(0x64, 0x01, SS_RDEF, "Invalid packet size") }, /* DTLPWROMAEBKVF */ { SST(0x65, 0x00, SS_RDEF, "Voltage fault") }, /* */ { SST(0x66, 0x00, SS_RDEF, "Automatic document feeder cover up") }, /* */ { SST(0x66, 0x01, SS_RDEF, "Automatic document feeder lift up") }, /* */ { SST(0x66, 0x02, SS_RDEF, "Document jam in automatic document feeder") }, /* */ { SST(0x66, 0x03, SS_RDEF, "Document miss feed automatic in document feeder") }, /* A */ { SST(0x67, 0x00, SS_RDEF, "Configuration failure") }, /* A */ { SST(0x67, 0x01, SS_RDEF, "Configuration of incapable logical units failed") }, /* A */ { SST(0x67, 0x02, SS_RDEF, "Add logical unit failed") }, /* A */ { SST(0x67, 0x03, SS_RDEF, "Modification of logical unit failed") }, /* A */ { SST(0x67, 0x04, SS_RDEF, "Exchange of logical unit failed") }, /* A */ { SST(0x67, 0x05, SS_RDEF, "Remove of logical unit failed") }, /* A */ { SST(0x67, 0x06, SS_RDEF, "Attachment of logical unit failed") }, /* A */ { SST(0x67, 0x07, SS_RDEF, "Creation of logical unit failed") }, /* A */ { SST(0x67, 0x08, SS_RDEF, /* XXX TBD */ "Assign failure occurred") }, /* A */ { SST(0x67, 0x09, SS_RDEF, /* XXX TBD */ "Multiply assigned logical unit") }, /* DTLPWROMAEBKVF */ { SST(0x67, 0x0A, SS_RDEF, /* XXX TBD */ "Set target port groups command failed") }, /* DT B */ { SST(0x67, 0x0B, SS_RDEF, /* XXX TBD */ "ATA device feature not enabled") }, /* A */ { SST(0x68, 0x00, SS_RDEF, "Logical unit not configured") }, /* A */ { SST(0x69, 0x00, SS_RDEF, "Data loss on logical unit") }, /* A */ { SST(0x69, 0x01, SS_RDEF, "Multiple logical unit failures") }, /* A */ { SST(0x69, 0x02, SS_RDEF, "Parity/data mismatch") }, /* A */ { SST(0x6A, 0x00, SS_RDEF, "Informational, refer to log") }, /* A */ { SST(0x6B, 0x00, SS_RDEF, "State change has occurred") }, /* A */ { SST(0x6B, 0x01, SS_RDEF, "Redundancy level got better") }, /* A */ { SST(0x6B, 0x02, SS_RDEF, "Redundancy level got worse") }, /* A */ { SST(0x6C, 0x00, SS_RDEF, "Rebuild failure occurred") }, /* A */ { SST(0x6D, 0x00, SS_RDEF, "Recalculate failure occurred") }, /* A */ { SST(0x6E, 0x00, SS_RDEF, "Command to logical unit failed") }, /* R */ { SST(0x6F, 0x00, SS_RDEF, /* XXX TBD */ "Copy protection key exchange failure - authentication failure") }, /* R */ { SST(0x6F, 0x01, SS_RDEF, /* XXX TBD */ "Copy protection key exchange failure - key not present") }, /* R */ { SST(0x6F, 0x02, SS_RDEF, /* XXX TBD */ "Copy protection key exchange failure - key not established") }, /* R */ { SST(0x6F, 0x03, SS_RDEF, /* XXX TBD */ "Read of scrambled sector without authentication") }, /* R */ { SST(0x6F, 0x04, SS_RDEF, /* XXX TBD */ "Media region code is mismatched to logical unit region") }, /* R */ { SST(0x6F, 0x05, SS_RDEF, /* XXX TBD */ "Drive region must be permanent/region reset count error") }, /* R */ { SST(0x6F, 0x06, SS_RDEF, /* XXX TBD */ "Insufficient block count for binding NONCE recording") }, /* R */ { SST(0x6F, 0x07, SS_RDEF, /* XXX TBD */ "Conflict in binding NONCE recording") }, /* T */ { SST(0x70, 0x00, SS_RDEF, "Decompression exception short: ASCQ = Algorithm ID") }, /* T */ { SST(0x70, 0xFF, SS_RDEF | SSQ_RANGE, NULL) }, /* Range 0x00 -> 0xFF */ /* T */ { SST(0x71, 0x00, SS_RDEF, "Decompression exception long: ASCQ = Algorithm ID") }, /* T */ { SST(0x71, 0xFF, SS_RDEF | SSQ_RANGE, NULL) }, /* Range 0x00 -> 0xFF */ /* R */ { SST(0x72, 0x00, SS_RDEF, "Session fixation error") }, /* R */ { SST(0x72, 0x01, SS_RDEF, "Session fixation error writing lead-in") }, /* R */ { SST(0x72, 0x02, SS_RDEF, "Session fixation error writing lead-out") }, /* R */ { SST(0x72, 0x03, SS_RDEF, "Session fixation error - incomplete track in session") }, /* R */ { SST(0x72, 0x04, SS_RDEF, "Empty or partially written reserved track") }, /* R */ { SST(0x72, 0x05, SS_RDEF, /* XXX TBD */ "No more track reservations allowed") }, /* R */ { SST(0x72, 0x06, SS_RDEF, /* XXX TBD */ "RMZ extension is not allowed") }, /* R */ { SST(0x72, 0x07, SS_RDEF, /* XXX TBD */ "No more test zone extensions are allowed") }, /* R */ { SST(0x73, 0x00, SS_RDEF, "CD control error") }, /* R */ { SST(0x73, 0x01, SS_RDEF, "Power calibration area almost full") }, /* R */ { SST(0x73, 0x02, SS_FATAL | ENOSPC, "Power calibration area is full") }, /* R */ { SST(0x73, 0x03, SS_RDEF, "Power calibration area error") }, /* R */ { SST(0x73, 0x04, SS_RDEF, "Program memory area update failure") }, /* R */ { SST(0x73, 0x05, SS_RDEF, "Program memory area is full") }, /* R */ { SST(0x73, 0x06, SS_RDEF, /* XXX TBD */ "RMA/PMA is almost full") }, /* R */ { SST(0x73, 0x10, SS_RDEF, /* XXX TBD */ "Current power calibration area almost full") }, /* R */ { SST(0x73, 0x11, SS_RDEF, /* XXX TBD */ "Current power calibration area is full") }, /* R */ { SST(0x73, 0x17, SS_RDEF, /* XXX TBD */ "RDZ is full") }, /* T */ { SST(0x74, 0x00, SS_RDEF, /* XXX TBD */ "Security error") }, /* T */ { SST(0x74, 0x01, SS_RDEF, /* XXX TBD */ "Unable to decrypt data") }, /* T */ { SST(0x74, 0x02, SS_RDEF, /* XXX TBD */ "Unencrypted data encountered while decrypting") }, /* T */ { SST(0x74, 0x03, SS_RDEF, /* XXX TBD */ "Incorrect data encryption key") }, /* T */ { SST(0x74, 0x04, SS_RDEF, /* XXX TBD */ "Cryptographic integrity validation failed") }, /* T */ { SST(0x74, 0x05, SS_RDEF, /* XXX TBD */ "Error decrypting data") }, /* T */ { SST(0x74, 0x06, SS_RDEF, /* XXX TBD */ "Unknown signature verification key") }, /* T */ { SST(0x74, 0x07, SS_RDEF, /* XXX TBD */ "Encryption parameters not useable") }, /* DT R M E VF */ { SST(0x74, 0x08, SS_RDEF, /* XXX TBD */ "Digital signature validation failure") }, /* T */ { SST(0x74, 0x09, SS_RDEF, /* XXX TBD */ "Encryption mode mismatch on read") }, /* T */ { SST(0x74, 0x0A, SS_RDEF, /* XXX TBD */ "Encrypted block not raw read enabled") }, /* T */ { SST(0x74, 0x0B, SS_RDEF, /* XXX TBD */ "Incorrect encryption parameters") }, /* DT R MAEBKV */ { SST(0x74, 0x0C, SS_RDEF, /* XXX TBD */ "Unable to decrypt parameter list") }, /* T */ { SST(0x74, 0x0D, SS_RDEF, /* XXX TBD */ "Encryption algorithm disabled") }, /* DT R MAEBKV */ { SST(0x74, 0x10, SS_RDEF, /* XXX TBD */ "SA creation parameter value invalid") }, /* DT R MAEBKV */ { SST(0x74, 0x11, SS_RDEF, /* XXX TBD */ "SA creation parameter value rejected") }, /* DT R MAEBKV */ { SST(0x74, 0x12, SS_RDEF, /* XXX TBD */ "Invalid SA usage") }, /* T */ { SST(0x74, 0x21, SS_RDEF, /* XXX TBD */ "Data encryption configuration prevented") }, /* DT R MAEBKV */ { SST(0x74, 0x30, SS_RDEF, /* XXX TBD */ "SA creation parameter not supported") }, /* DT R MAEBKV */ { SST(0x74, 0x40, SS_RDEF, /* XXX TBD */ "Authentication failed") }, /* V */ { SST(0x74, 0x61, SS_RDEF, /* XXX TBD */ "External data encryption key manager access error") }, /* V */ { SST(0x74, 0x62, SS_RDEF, /* XXX TBD */ "External data encryption key manager error") }, /* V */ { SST(0x74, 0x63, SS_RDEF, /* XXX TBD */ "External data encryption key not found") }, /* V */ { SST(0x74, 0x64, SS_RDEF, /* XXX TBD */ "External data encryption request not authorized") }, /* T */ { SST(0x74, 0x6E, SS_RDEF, /* XXX TBD */ "External data encryption control timeout") }, /* T */ { SST(0x74, 0x6F, SS_RDEF, /* XXX TBD */ "External data encryption control error") }, /* DT R M E V */ { SST(0x74, 0x71, SS_RDEF, /* XXX TBD */ "Logical unit access not authorized") }, /* D */ { SST(0x74, 0x79, SS_RDEF, /* XXX TBD */ "Security conflict in translated device") } }; const int asc_table_size = sizeof(asc_table)/sizeof(asc_table[0]); struct asc_key { int asc; int ascq; }; static int ascentrycomp(const void *key, const void *member) { int asc; int ascq; const struct asc_table_entry *table_entry; asc = ((const struct asc_key *)key)->asc; ascq = ((const struct asc_key *)key)->ascq; table_entry = (const struct asc_table_entry *)member; if (asc >= table_entry->asc) { if (asc > table_entry->asc) return (1); if (ascq <= table_entry->ascq) { /* Check for ranges */ if (ascq == table_entry->ascq || ((table_entry->action & SSQ_RANGE) != 0 && ascq >= (table_entry - 1)->ascq)) return (0); return (-1); } return (1); } return (-1); } static int senseentrycomp(const void *key, const void *member) { int sense_key; const struct sense_key_table_entry *table_entry; sense_key = *((const int *)key); table_entry = (const struct sense_key_table_entry *)member; if (sense_key >= table_entry->sense_key) { if (sense_key == table_entry->sense_key) return (0); return (1); } return (-1); } static void fetchtableentries(int sense_key, int asc, int ascq, struct scsi_inquiry_data *inq_data, const struct sense_key_table_entry **sense_entry, const struct asc_table_entry **asc_entry) { caddr_t match; const struct asc_table_entry *asc_tables[2]; const struct sense_key_table_entry *sense_tables[2]; struct asc_key asc_ascq; size_t asc_tables_size[2]; size_t sense_tables_size[2]; int num_asc_tables; int num_sense_tables; int i; /* Default to failure */ *sense_entry = NULL; *asc_entry = NULL; match = NULL; if (inq_data != NULL) match = cam_quirkmatch((caddr_t)inq_data, (caddr_t)sense_quirk_table, sense_quirk_table_size, sizeof(*sense_quirk_table), scsi_inquiry_match); if (match != NULL) { struct scsi_sense_quirk_entry *quirk; quirk = (struct scsi_sense_quirk_entry *)match; asc_tables[0] = quirk->asc_info; asc_tables_size[0] = quirk->num_ascs; asc_tables[1] = asc_table; asc_tables_size[1] = asc_table_size; num_asc_tables = 2; sense_tables[0] = quirk->sense_key_info; sense_tables_size[0] = quirk->num_sense_keys; sense_tables[1] = sense_key_table; sense_tables_size[1] = sense_key_table_size; num_sense_tables = 2; } else { asc_tables[0] = asc_table; asc_tables_size[0] = asc_table_size; num_asc_tables = 1; sense_tables[0] = sense_key_table; sense_tables_size[0] = sense_key_table_size; num_sense_tables = 1; } asc_ascq.asc = asc; asc_ascq.ascq = ascq; for (i = 0; i < num_asc_tables; i++) { void *found_entry; found_entry = bsearch(&asc_ascq, asc_tables[i], asc_tables_size[i], sizeof(**asc_tables), ascentrycomp); if (found_entry) { *asc_entry = (struct asc_table_entry *)found_entry; break; } } for (i = 0; i < num_sense_tables; i++) { void *found_entry; found_entry = bsearch(&sense_key, sense_tables[i], sense_tables_size[i], sizeof(**sense_tables), senseentrycomp); if (found_entry) { *sense_entry = (struct sense_key_table_entry *)found_entry; break; } } } void scsi_sense_desc(int sense_key, int asc, int ascq, struct scsi_inquiry_data *inq_data, const char **sense_key_desc, const char **asc_desc) { const struct asc_table_entry *asc_entry; const struct sense_key_table_entry *sense_entry; fetchtableentries(sense_key, asc, ascq, inq_data, &sense_entry, &asc_entry); if (sense_entry != NULL) *sense_key_desc = sense_entry->desc; else *sense_key_desc = "Invalid Sense Key"; if (asc_entry != NULL) *asc_desc = asc_entry->desc; else if (asc >= 0x80 && asc <= 0xff) *asc_desc = "Vendor Specific ASC"; else if (ascq >= 0x80 && ascq <= 0xff) *asc_desc = "Vendor Specific ASCQ"; else *asc_desc = "Reserved ASC/ASCQ pair"; } /* * Given sense and device type information, return the appropriate action. * If we do not understand the specific error as identified by the ASC/ASCQ * pair, fall back on the more generic actions derived from the sense key. */ scsi_sense_action scsi_error_action(struct ccb_scsiio *csio, struct scsi_inquiry_data *inq_data, u_int32_t sense_flags) { const struct asc_table_entry *asc_entry; const struct sense_key_table_entry *sense_entry; int error_code, sense_key, asc, ascq; scsi_sense_action action; if (!scsi_extract_sense_ccb((union ccb *)csio, &error_code, &sense_key, &asc, &ascq)) { action = SS_RETRY | SSQ_DECREMENT_COUNT | SSQ_PRINT_SENSE | EIO; } else if ((error_code == SSD_DEFERRED_ERROR) || (error_code == SSD_DESC_DEFERRED_ERROR)) { /* * XXX dufault@FreeBSD.org * This error doesn't relate to the command associated * with this request sense. A deferred error is an error * for a command that has already returned GOOD status * (see SCSI2 8.2.14.2). * * By my reading of that section, it looks like the current * command has been cancelled, we should now clean things up * (hopefully recovering any lost data) and then retry the * current command. There are two easy choices, both wrong: * * 1. Drop through (like we had been doing), thus treating * this as if the error were for the current command and * return and stop the current command. * * 2. Issue a retry (like I made it do) thus hopefully * recovering the current transfer, and ignoring the * fact that we've dropped a command. * * These should probably be handled in a device specific * sense handler or punted back up to a user mode daemon */ action = SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE; } else { fetchtableentries(sense_key, asc, ascq, inq_data, &sense_entry, &asc_entry); /* * Override the 'No additional Sense' entry (0,0) * with the error action of the sense key. */ if (asc_entry != NULL && (asc != 0 || ascq != 0)) action = asc_entry->action; else if (sense_entry != NULL) action = sense_entry->action; else action = SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE; if (sense_key == SSD_KEY_RECOVERED_ERROR) { /* * The action succeeded but the device wants * the user to know that some recovery action * was required. */ action &= ~(SS_MASK|SSQ_MASK|SS_ERRMASK); action |= SS_NOP|SSQ_PRINT_SENSE; } else if (sense_key == SSD_KEY_ILLEGAL_REQUEST) { if ((sense_flags & SF_QUIET_IR) != 0) action &= ~SSQ_PRINT_SENSE; } else if (sense_key == SSD_KEY_UNIT_ATTENTION) { if ((sense_flags & SF_RETRY_UA) != 0 && (action & SS_MASK) == SS_FAIL) { action &= ~(SS_MASK|SSQ_MASK); action |= SS_RETRY|SSQ_DECREMENT_COUNT| SSQ_PRINT_SENSE; } action |= SSQ_UA; } } if ((action & SS_MASK) >= SS_START && (sense_flags & SF_NO_RECOVERY)) { action &= ~SS_MASK; action |= SS_FAIL; } else if ((action & SS_MASK) == SS_RETRY && (sense_flags & SF_NO_RETRY)) { action &= ~SS_MASK; action |= SS_FAIL; } if ((sense_flags & SF_PRINT_ALWAYS) != 0) action |= SSQ_PRINT_SENSE; else if ((sense_flags & SF_NO_PRINT) != 0) action &= ~SSQ_PRINT_SENSE; return (action); } char * scsi_cdb_string(u_int8_t *cdb_ptr, char *cdb_string, size_t len) { u_int8_t cdb_len; int i; if (cdb_ptr == NULL) return(""); /* Silence warnings */ cdb_len = 0; /* * This is taken from the SCSI-3 draft spec. * (T10/1157D revision 0.3) * The top 3 bits of an opcode are the group code. The next 5 bits * are the command code. * Group 0: six byte commands * Group 1: ten byte commands * Group 2: ten byte commands * Group 3: reserved * Group 4: sixteen byte commands * Group 5: twelve byte commands * Group 6: vendor specific * Group 7: vendor specific */ switch((*cdb_ptr >> 5) & 0x7) { case 0: cdb_len = 6; break; case 1: case 2: cdb_len = 10; break; case 3: case 6: case 7: /* in this case, just print out the opcode */ cdb_len = 1; break; case 4: cdb_len = 16; break; case 5: cdb_len = 12; break; } *cdb_string = '\0'; for (i = 0; i < cdb_len; i++) snprintf(cdb_string + strlen(cdb_string), len - strlen(cdb_string), "%02hhx ", cdb_ptr[i]); return(cdb_string); } const char * scsi_status_string(struct ccb_scsiio *csio) { switch(csio->scsi_status) { case SCSI_STATUS_OK: return("OK"); case SCSI_STATUS_CHECK_COND: return("Check Condition"); case SCSI_STATUS_BUSY: return("Busy"); case SCSI_STATUS_INTERMED: return("Intermediate"); case SCSI_STATUS_INTERMED_COND_MET: return("Intermediate-Condition Met"); case SCSI_STATUS_RESERV_CONFLICT: return("Reservation Conflict"); case SCSI_STATUS_CMD_TERMINATED: return("Command Terminated"); case SCSI_STATUS_QUEUE_FULL: return("Queue Full"); case SCSI_STATUS_ACA_ACTIVE: return("ACA Active"); case SCSI_STATUS_TASK_ABORTED: return("Task Aborted"); default: { static char unkstr[64]; snprintf(unkstr, sizeof(unkstr), "Unknown %#x", csio->scsi_status); return(unkstr); } } } /* * scsi_command_string() returns 0 for success and -1 for failure. */ #ifdef _KERNEL int scsi_command_string(struct ccb_scsiio *csio, struct sbuf *sb) #else /* !_KERNEL */ int scsi_command_string(struct cam_device *device, struct ccb_scsiio *csio, struct sbuf *sb) #endif /* _KERNEL/!_KERNEL */ { struct scsi_inquiry_data *inq_data; char cdb_str[(SCSI_MAX_CDBLEN * 3) + 1]; #ifdef _KERNEL struct ccb_getdev *cgd; #endif /* _KERNEL */ #ifdef _KERNEL if ((cgd = (struct ccb_getdev*)xpt_alloc_ccb_nowait()) == NULL) return(-1); /* * Get the device information. */ xpt_setup_ccb(&cgd->ccb_h, csio->ccb_h.path, CAM_PRIORITY_NORMAL); cgd->ccb_h.func_code = XPT_GDEV_TYPE; xpt_action((union ccb *)cgd); /* * If the device is unconfigured, just pretend that it is a hard * drive. scsi_op_desc() needs this. */ if (cgd->ccb_h.status == CAM_DEV_NOT_THERE) cgd->inq_data.device = T_DIRECT; inq_data = &cgd->inq_data; #else /* !_KERNEL */ inq_data = &device->inq_data; #endif /* _KERNEL/!_KERNEL */ if ((csio->ccb_h.flags & CAM_CDB_POINTER) != 0) { sbuf_printf(sb, "%s. CDB: %s", scsi_op_desc(csio->cdb_io.cdb_ptr[0], inq_data), scsi_cdb_string(csio->cdb_io.cdb_ptr, cdb_str, sizeof(cdb_str))); } else { sbuf_printf(sb, "%s. CDB: %s", scsi_op_desc(csio->cdb_io.cdb_bytes[0], inq_data), scsi_cdb_string(csio->cdb_io.cdb_bytes, cdb_str, sizeof(cdb_str))); } #ifdef _KERNEL xpt_free_ccb((union ccb *)cgd); #endif return(0); } /* * Iterate over sense descriptors. Each descriptor is passed into iter_func(). * If iter_func() returns 0, list traversal continues. If iter_func() * returns non-zero, list traversal is stopped. */ void scsi_desc_iterate(struct scsi_sense_data_desc *sense, u_int sense_len, int (*iter_func)(struct scsi_sense_data_desc *sense, u_int, struct scsi_sense_desc_header *, void *), void *arg) { int cur_pos; int desc_len; /* * First make sure the extra length field is present. */ if (SSD_DESC_IS_PRESENT(sense, sense_len, extra_len) == 0) return; /* * The length of data actually returned may be different than the * extra_len recorded in the sturcture. */ desc_len = sense_len -offsetof(struct scsi_sense_data_desc, sense_desc); /* * Limit this further by the extra length reported, and the maximum * allowed extra length. */ desc_len = MIN(desc_len, MIN(sense->extra_len, SSD_EXTRA_MAX)); /* * Subtract the size of the header from the descriptor length. * This is to ensure that we have at least the header left, so we * don't have to check that inside the loop. This can wind up * being a negative value. */ desc_len -= sizeof(struct scsi_sense_desc_header); for (cur_pos = 0; cur_pos < desc_len;) { struct scsi_sense_desc_header *header; header = (struct scsi_sense_desc_header *) &sense->sense_desc[cur_pos]; /* * Check to make sure we have the entire descriptor. We * don't call iter_func() unless we do. * * Note that although cur_pos is at the beginning of the * descriptor, desc_len already has the header length * subtracted. So the comparison of the length in the * header (which does not include the header itself) to * desc_len - cur_pos is correct. */ if (header->length > (desc_len - cur_pos)) break; if (iter_func(sense, sense_len, header, arg) != 0) break; cur_pos += sizeof(*header) + header->length; } } struct scsi_find_desc_info { uint8_t desc_type; struct scsi_sense_desc_header *header; }; static int scsi_find_desc_func(struct scsi_sense_data_desc *sense, u_int sense_len, struct scsi_sense_desc_header *header, void *arg) { struct scsi_find_desc_info *desc_info; desc_info = (struct scsi_find_desc_info *)arg; if (header->desc_type == desc_info->desc_type) { desc_info->header = header; /* We found the descriptor, tell the iterator to stop. */ return (1); } else return (0); } /* * Given a descriptor type, return a pointer to it if it is in the sense * data and not truncated. Avoiding truncating sense data will simplify * things significantly for the caller. */ uint8_t * scsi_find_desc(struct scsi_sense_data_desc *sense, u_int sense_len, uint8_t desc_type) { struct scsi_find_desc_info desc_info; desc_info.desc_type = desc_type; desc_info.header = NULL; scsi_desc_iterate(sense, sense_len, scsi_find_desc_func, &desc_info); return ((uint8_t *)desc_info.header); } /* * Fill in SCSI sense data with the specified parameters. This routine can * fill in either fixed or descriptor type sense data. */ void scsi_set_sense_data_va(struct scsi_sense_data *sense_data, scsi_sense_data_type sense_format, int current_error, int sense_key, int asc, int ascq, va_list ap) { int descriptor_sense; scsi_sense_elem_type elem_type; /* * Determine whether to return fixed or descriptor format sense * data. If the user specifies SSD_TYPE_NONE for some reason, * they'll just get fixed sense data. */ if (sense_format == SSD_TYPE_DESC) descriptor_sense = 1; else descriptor_sense = 0; /* * Zero the sense data, so that we don't pass back any garbage data * to the user. */ memset(sense_data, 0, sizeof(*sense_data)); if (descriptor_sense != 0) { struct scsi_sense_data_desc *sense; sense = (struct scsi_sense_data_desc *)sense_data; /* * The descriptor sense format eliminates the use of the * valid bit. */ if (current_error != 0) sense->error_code = SSD_DESC_CURRENT_ERROR; else sense->error_code = SSD_DESC_DEFERRED_ERROR; sense->sense_key = sense_key; sense->add_sense_code = asc; sense->add_sense_code_qual = ascq; /* * Start off with no extra length, since the above data * fits in the standard descriptor sense information. */ sense->extra_len = 0; while ((elem_type = (scsi_sense_elem_type)va_arg(ap, scsi_sense_elem_type)) != SSD_ELEM_NONE) { int sense_len, len_to_copy; uint8_t *data; if (elem_type >= SSD_ELEM_MAX) { printf("%s: invalid sense type %d\n", __func__, elem_type); break; } sense_len = (int)va_arg(ap, int); len_to_copy = MIN(sense_len, SSD_EXTRA_MAX - sense->extra_len); data = (uint8_t *)va_arg(ap, uint8_t *); /* * We've already consumed the arguments for this one. */ if (elem_type == SSD_ELEM_SKIP) continue; switch (elem_type) { case SSD_ELEM_DESC: { /* * This is a straight descriptor. All we * need to do is copy the data in. */ bcopy(data, &sense->sense_desc[ sense->extra_len], len_to_copy); sense->extra_len += len_to_copy; break; } case SSD_ELEM_SKS: { struct scsi_sense_sks sks; bzero(&sks, sizeof(sks)); /* * This is already-formatted sense key * specific data. We just need to fill out * the header and copy everything in. */ bcopy(data, &sks.sense_key_spec, MIN(len_to_copy, sizeof(sks.sense_key_spec))); sks.desc_type = SSD_DESC_SKS; sks.length = sizeof(sks) - offsetof(struct scsi_sense_sks, reserved1); bcopy(&sks,&sense->sense_desc[sense->extra_len], sizeof(sks)); sense->extra_len += sizeof(sks); break; } case SSD_ELEM_INFO: case SSD_ELEM_COMMAND: { struct scsi_sense_command cmd; struct scsi_sense_info info; uint8_t *data_dest; uint8_t *descriptor; int descriptor_size, i, copy_len; bzero(&cmd, sizeof(cmd)); bzero(&info, sizeof(info)); /* * Command or information data. The * operate in pretty much the same way. */ if (elem_type == SSD_ELEM_COMMAND) { len_to_copy = MIN(len_to_copy, sizeof(cmd.command_info)); descriptor = (uint8_t *)&cmd; descriptor_size = sizeof(cmd); data_dest =(uint8_t *)&cmd.command_info; cmd.desc_type = SSD_DESC_COMMAND; cmd.length = sizeof(cmd) - offsetof(struct scsi_sense_command, reserved); } else { len_to_copy = MIN(len_to_copy, sizeof(info.info)); descriptor = (uint8_t *)&info; descriptor_size = sizeof(cmd); data_dest = (uint8_t *)&info.info; info.desc_type = SSD_DESC_INFO; info.byte2 = SSD_INFO_VALID; info.length = sizeof(info) - offsetof(struct scsi_sense_info, byte2); } /* * Copy this in reverse because the spec * (SPC-4) says that when 4 byte quantities * are stored in this 8 byte field, the * first four bytes shall be 0. * * So we fill the bytes in from the end, and * if we have less than 8 bytes to copy, * the initial, most significant bytes will * be 0. */ for (i = sense_len - 1; i >= 0 && len_to_copy > 0; i--, len_to_copy--) data_dest[len_to_copy - 1] = data[i]; /* * This calculation looks much like the * initial len_to_copy calculation, but * we have to do it again here, because * we're looking at a larger amount that * may or may not fit. It's not only the * data the user passed in, but also the * rest of the descriptor. */ copy_len = MIN(descriptor_size, SSD_EXTRA_MAX - sense->extra_len); bcopy(descriptor, &sense->sense_desc[ sense->extra_len], copy_len); sense->extra_len += copy_len; break; } case SSD_ELEM_FRU: { struct scsi_sense_fru fru; int copy_len; bzero(&fru, sizeof(fru)); fru.desc_type = SSD_DESC_FRU; fru.length = sizeof(fru) - offsetof(struct scsi_sense_fru, reserved); fru.fru = *data; copy_len = MIN(sizeof(fru), SSD_EXTRA_MAX - sense->extra_len); bcopy(&fru, &sense->sense_desc[ sense->extra_len], copy_len); sense->extra_len += copy_len; break; } case SSD_ELEM_STREAM: { struct scsi_sense_stream stream_sense; int copy_len; bzero(&stream_sense, sizeof(stream_sense)); stream_sense.desc_type = SSD_DESC_STREAM; stream_sense.length = sizeof(stream_sense) - offsetof(struct scsi_sense_stream, reserved); stream_sense.byte3 = *data; copy_len = MIN(sizeof(stream_sense), SSD_EXTRA_MAX - sense->extra_len); bcopy(&stream_sense, &sense->sense_desc[ sense->extra_len], copy_len); sense->extra_len += copy_len; break; } default: /* * We shouldn't get here, but if we do, do * nothing. We've already consumed the * arguments above. */ break; } } } else { struct scsi_sense_data_fixed *sense; sense = (struct scsi_sense_data_fixed *)sense_data; if (current_error != 0) sense->error_code = SSD_CURRENT_ERROR; else sense->error_code = SSD_DEFERRED_ERROR; sense->flags = sense_key; sense->add_sense_code = asc; sense->add_sense_code_qual = ascq; /* * We've set the ASC and ASCQ, so we have 6 more bytes of * valid data. If we wind up setting any of the other * fields, we'll bump this to 10 extra bytes. */ sense->extra_len = 6; while ((elem_type = (scsi_sense_elem_type)va_arg(ap, scsi_sense_elem_type)) != SSD_ELEM_NONE) { int sense_len, len_to_copy; uint8_t *data; if (elem_type >= SSD_ELEM_MAX) { printf("%s: invalid sense type %d\n", __func__, elem_type); break; } /* * If we get in here, just bump the extra length to * 10 bytes. That will encompass anything we're * going to set here. */ sense->extra_len = 10; sense_len = (int)va_arg(ap, int); len_to_copy = MIN(sense_len, SSD_EXTRA_MAX - sense->extra_len); data = (uint8_t *)va_arg(ap, uint8_t *); switch (elem_type) { case SSD_ELEM_SKS: /* * The user passed in pre-formatted sense * key specific data. */ bcopy(data, &sense->sense_key_spec[0], MIN(sizeof(sense->sense_key_spec), sense_len)); break; case SSD_ELEM_INFO: case SSD_ELEM_COMMAND: { uint8_t *data_dest; int i; if (elem_type == SSD_ELEM_COMMAND) data_dest = &sense->cmd_spec_info[0]; else { data_dest = &sense->info[0]; /* * We're setting the info field, so * set the valid bit. */ sense->error_code |= SSD_ERRCODE_VALID; } /* * Copy this in reverse so that if we have * less than 4 bytes to fill, the least * significant bytes will be at the end. * If we have more than 4 bytes, only the * least significant bytes will be included. */ for (i = sense_len - 1; i >= 0 && len_to_copy > 0; i--, len_to_copy--) data_dest[len_to_copy - 1] = data[i]; break; } case SSD_ELEM_FRU: sense->fru = *data; break; case SSD_ELEM_STREAM: sense->flags |= *data; break; case SSD_ELEM_DESC: default: /* * If the user passes in descriptor sense, * we can't handle that in fixed format. * So just skip it, and any unknown argument * types. */ break; } } } } void scsi_set_sense_data(struct scsi_sense_data *sense_data, scsi_sense_data_type sense_format, int current_error, int sense_key, int asc, int ascq, ...) { va_list ap; va_start(ap, ascq); scsi_set_sense_data_va(sense_data, sense_format, current_error, sense_key, asc, ascq, ap); va_end(ap); } /* * Get sense information for three similar sense data types. */ int scsi_get_sense_info(struct scsi_sense_data *sense_data, u_int sense_len, uint8_t info_type, uint64_t *info, int64_t *signed_info) { scsi_sense_data_type sense_type; if (sense_len == 0) goto bailout; sense_type = scsi_sense_type(sense_data); switch (sense_type) { case SSD_TYPE_DESC: { struct scsi_sense_data_desc *sense; uint8_t *desc; sense = (struct scsi_sense_data_desc *)sense_data; desc = scsi_find_desc(sense, sense_len, info_type); if (desc == NULL) goto bailout; switch (info_type) { case SSD_DESC_INFO: { struct scsi_sense_info *info_desc; info_desc = (struct scsi_sense_info *)desc; *info = scsi_8btou64(info_desc->info); if (signed_info != NULL) *signed_info = *info; break; } case SSD_DESC_COMMAND: { struct scsi_sense_command *cmd_desc; cmd_desc = (struct scsi_sense_command *)desc; *info = scsi_8btou64(cmd_desc->command_info); if (signed_info != NULL) *signed_info = *info; break; } case SSD_DESC_FRU: { struct scsi_sense_fru *fru_desc; fru_desc = (struct scsi_sense_fru *)desc; *info = fru_desc->fru; if (signed_info != NULL) *signed_info = (int8_t)fru_desc->fru; break; } default: goto bailout; break; } break; } case SSD_TYPE_FIXED: { struct scsi_sense_data_fixed *sense; sense = (struct scsi_sense_data_fixed *)sense_data; switch (info_type) { case SSD_DESC_INFO: { uint32_t info_val; if ((sense->error_code & SSD_ERRCODE_VALID) == 0) goto bailout; if (SSD_FIXED_IS_PRESENT(sense, sense_len, info) == 0) goto bailout; info_val = scsi_4btoul(sense->info); *info = info_val; if (signed_info != NULL) *signed_info = (int32_t)info_val; break; } case SSD_DESC_COMMAND: { uint32_t cmd_val; if ((SSD_FIXED_IS_PRESENT(sense, sense_len, cmd_spec_info) == 0) || (SSD_FIXED_IS_FILLED(sense, cmd_spec_info) == 0)) goto bailout; cmd_val = scsi_4btoul(sense->cmd_spec_info); if (cmd_val == 0) goto bailout; *info = cmd_val; if (signed_info != NULL) *signed_info = (int32_t)cmd_val; break; } case SSD_DESC_FRU: if ((SSD_FIXED_IS_PRESENT(sense, sense_len, fru) == 0) || (SSD_FIXED_IS_FILLED(sense, fru) == 0)) goto bailout; if (sense->fru == 0) goto bailout; *info = sense->fru; if (signed_info != NULL) *signed_info = (int8_t)sense->fru; break; default: goto bailout; break; } break; } default: goto bailout; break; } return (0); bailout: return (1); } int scsi_get_sks(struct scsi_sense_data *sense_data, u_int sense_len, uint8_t *sks) { scsi_sense_data_type sense_type; if (sense_len == 0) goto bailout; sense_type = scsi_sense_type(sense_data); switch (sense_type) { case SSD_TYPE_DESC: { struct scsi_sense_data_desc *sense; struct scsi_sense_sks *desc; sense = (struct scsi_sense_data_desc *)sense_data; desc = (struct scsi_sense_sks *)scsi_find_desc(sense, sense_len, SSD_DESC_SKS); if (desc == NULL) goto bailout; /* * No need to check the SKS valid bit for descriptor sense. * If the descriptor is present, it is valid. */ bcopy(desc->sense_key_spec, sks, sizeof(desc->sense_key_spec)); break; } case SSD_TYPE_FIXED: { struct scsi_sense_data_fixed *sense; sense = (struct scsi_sense_data_fixed *)sense_data; if ((SSD_FIXED_IS_PRESENT(sense, sense_len, sense_key_spec)== 0) || (SSD_FIXED_IS_FILLED(sense, sense_key_spec) == 0)) goto bailout; if ((sense->sense_key_spec[0] & SSD_SCS_VALID) == 0) goto bailout; bcopy(sense->sense_key_spec, sks,sizeof(sense->sense_key_spec)); break; } default: goto bailout; break; } return (0); bailout: return (1); } /* * Provide a common interface for fixed and descriptor sense to detect * whether we have block-specific sense information. It is clear by the * presence of the block descriptor in descriptor mode, but we have to * infer from the inquiry data and ILI bit in fixed mode. */ int scsi_get_block_info(struct scsi_sense_data *sense_data, u_int sense_len, struct scsi_inquiry_data *inq_data, uint8_t *block_bits) { scsi_sense_data_type sense_type; if (inq_data != NULL) { switch (SID_TYPE(inq_data)) { case T_DIRECT: case T_RBC: break; default: goto bailout; break; } } sense_type = scsi_sense_type(sense_data); switch (sense_type) { case SSD_TYPE_DESC: { struct scsi_sense_data_desc *sense; struct scsi_sense_block *block; sense = (struct scsi_sense_data_desc *)sense_data; block = (struct scsi_sense_block *)scsi_find_desc(sense, sense_len, SSD_DESC_BLOCK); if (block == NULL) goto bailout; *block_bits = block->byte3; break; } case SSD_TYPE_FIXED: { struct scsi_sense_data_fixed *sense; sense = (struct scsi_sense_data_fixed *)sense_data; if (SSD_FIXED_IS_PRESENT(sense, sense_len, flags) == 0) goto bailout; if ((sense->flags & SSD_ILI) == 0) goto bailout; *block_bits = sense->flags & SSD_ILI; break; } default: goto bailout; break; } return (0); bailout: return (1); } int scsi_get_stream_info(struct scsi_sense_data *sense_data, u_int sense_len, struct scsi_inquiry_data *inq_data, uint8_t *stream_bits) { scsi_sense_data_type sense_type; if (inq_data != NULL) { switch (SID_TYPE(inq_data)) { case T_SEQUENTIAL: break; default: goto bailout; break; } } sense_type = scsi_sense_type(sense_data); switch (sense_type) { case SSD_TYPE_DESC: { struct scsi_sense_data_desc *sense; struct scsi_sense_stream *stream; sense = (struct scsi_sense_data_desc *)sense_data; stream = (struct scsi_sense_stream *)scsi_find_desc(sense, sense_len, SSD_DESC_STREAM); if (stream == NULL) goto bailout; *stream_bits = stream->byte3; break; } case SSD_TYPE_FIXED: { struct scsi_sense_data_fixed *sense; sense = (struct scsi_sense_data_fixed *)sense_data; if (SSD_FIXED_IS_PRESENT(sense, sense_len, flags) == 0) goto bailout; if ((sense->flags & (SSD_ILI|SSD_EOM|SSD_FILEMARK)) == 0) goto bailout; *stream_bits = sense->flags & (SSD_ILI|SSD_EOM|SSD_FILEMARK); break; } default: goto bailout; break; } return (0); bailout: return (1); } void scsi_info_sbuf(struct sbuf *sb, uint8_t *cdb, int cdb_len, struct scsi_inquiry_data *inq_data, uint64_t info) { sbuf_printf(sb, "Info: %#jx", info); } void scsi_command_sbuf(struct sbuf *sb, uint8_t *cdb, int cdb_len, struct scsi_inquiry_data *inq_data, uint64_t csi) { sbuf_printf(sb, "Command Specific Info: %#jx", csi); } void scsi_progress_sbuf(struct sbuf *sb, uint16_t progress) { sbuf_printf(sb, "Progress: %d%% (%d/%d) complete", (progress * 100) / SSD_SKS_PROGRESS_DENOM, progress, SSD_SKS_PROGRESS_DENOM); } /* * Returns 1 for failure (i.e. SKS isn't valid) and 0 for success. */ int scsi_sks_sbuf(struct sbuf *sb, int sense_key, uint8_t *sks) { if ((sks[0] & SSD_SKS_VALID) == 0) return (1); switch (sense_key) { case SSD_KEY_ILLEGAL_REQUEST: { struct scsi_sense_sks_field *field; int bad_command; char tmpstr[40]; /*Field Pointer*/ field = (struct scsi_sense_sks_field *)sks; if (field->byte0 & SSD_SKS_FIELD_CMD) bad_command = 1; else bad_command = 0; tmpstr[0] = '\0'; /* Bit pointer is valid */ if (field->byte0 & SSD_SKS_BPV) snprintf(tmpstr, sizeof(tmpstr), "bit %d ", field->byte0 & SSD_SKS_BIT_VALUE); sbuf_printf(sb, "%s byte %d %sis invalid", bad_command ? "Command" : "Data", scsi_2btoul(field->field), tmpstr); break; } case SSD_KEY_UNIT_ATTENTION: { struct scsi_sense_sks_overflow *overflow; overflow = (struct scsi_sense_sks_overflow *)sks; /*UA Condition Queue Overflow*/ sbuf_printf(sb, "Unit Attention Condition Queue %s", (overflow->byte0 & SSD_SKS_OVERFLOW_SET) ? "Overflowed" : "Did Not Overflow??"); break; } case SSD_KEY_RECOVERED_ERROR: case SSD_KEY_HARDWARE_ERROR: case SSD_KEY_MEDIUM_ERROR: { struct scsi_sense_sks_retry *retry; /*Actual Retry Count*/ retry = (struct scsi_sense_sks_retry *)sks; sbuf_printf(sb, "Actual Retry Count: %d", scsi_2btoul(retry->actual_retry_count)); break; } case SSD_KEY_NO_SENSE: case SSD_KEY_NOT_READY: { struct scsi_sense_sks_progress *progress; int progress_val; /*Progress Indication*/ progress = (struct scsi_sense_sks_progress *)sks; progress_val = scsi_2btoul(progress->progress); scsi_progress_sbuf(sb, progress_val); break; } case SSD_KEY_COPY_ABORTED: { struct scsi_sense_sks_segment *segment; char tmpstr[40]; /*Segment Pointer*/ segment = (struct scsi_sense_sks_segment *)sks; tmpstr[0] = '\0'; if (segment->byte0 & SSD_SKS_SEGMENT_BPV) snprintf(tmpstr, sizeof(tmpstr), "bit %d ", segment->byte0 & SSD_SKS_SEGMENT_BITPTR); sbuf_printf(sb, "%s byte %d %sis invalid", (segment->byte0 & SSD_SKS_SEGMENT_SD) ? "Segment" : "Data", scsi_2btoul(segment->field), tmpstr); break; } default: sbuf_printf(sb, "Sense Key Specific: %#x,%#x", sks[0], scsi_2btoul(&sks[1])); break; } return (0); } void scsi_fru_sbuf(struct sbuf *sb, uint64_t fru) { sbuf_printf(sb, "Field Replaceable Unit: %d", (int)fru); } void scsi_stream_sbuf(struct sbuf *sb, uint8_t stream_bits, uint64_t info) { int need_comma; need_comma = 0; /* * XXX KDM this needs more descriptive decoding. */ if (stream_bits & SSD_DESC_STREAM_FM) { sbuf_printf(sb, "Filemark"); need_comma = 1; } if (stream_bits & SSD_DESC_STREAM_EOM) { sbuf_printf(sb, "%sEOM", (need_comma) ? "," : ""); need_comma = 1; } if (stream_bits & SSD_DESC_STREAM_ILI) sbuf_printf(sb, "%sILI", (need_comma) ? "," : ""); sbuf_printf(sb, ": Info: %#jx", (uintmax_t) info); } void scsi_block_sbuf(struct sbuf *sb, uint8_t block_bits, uint64_t info) { if (block_bits & SSD_DESC_BLOCK_ILI) sbuf_printf(sb, "ILI: residue %#jx", (uintmax_t) info); } void scsi_sense_info_sbuf(struct sbuf *sb, struct scsi_sense_data *sense, u_int sense_len, uint8_t *cdb, int cdb_len, struct scsi_inquiry_data *inq_data, struct scsi_sense_desc_header *header) { struct scsi_sense_info *info; info = (struct scsi_sense_info *)header; scsi_info_sbuf(sb, cdb, cdb_len, inq_data, scsi_8btou64(info->info)); } void scsi_sense_command_sbuf(struct sbuf *sb, struct scsi_sense_data *sense, u_int sense_len, uint8_t *cdb, int cdb_len, struct scsi_inquiry_data *inq_data, struct scsi_sense_desc_header *header) { struct scsi_sense_command *command; command = (struct scsi_sense_command *)header; scsi_command_sbuf(sb, cdb, cdb_len, inq_data, scsi_8btou64(command->command_info)); } void scsi_sense_sks_sbuf(struct sbuf *sb, struct scsi_sense_data *sense, u_int sense_len, uint8_t *cdb, int cdb_len, struct scsi_inquiry_data *inq_data, struct scsi_sense_desc_header *header) { struct scsi_sense_sks *sks; int error_code, sense_key, asc, ascq; sks = (struct scsi_sense_sks *)header; scsi_extract_sense_len(sense, sense_len, &error_code, &sense_key, &asc, &ascq, /*show_errors*/ 1); scsi_sks_sbuf(sb, sense_key, sks->sense_key_spec); } void scsi_sense_fru_sbuf(struct sbuf *sb, struct scsi_sense_data *sense, u_int sense_len, uint8_t *cdb, int cdb_len, struct scsi_inquiry_data *inq_data, struct scsi_sense_desc_header *header) { struct scsi_sense_fru *fru; fru = (struct scsi_sense_fru *)header; scsi_fru_sbuf(sb, (uint64_t)fru->fru); } void scsi_sense_stream_sbuf(struct sbuf *sb, struct scsi_sense_data *sense, u_int sense_len, uint8_t *cdb, int cdb_len, struct scsi_inquiry_data *inq_data, struct scsi_sense_desc_header *header) { struct scsi_sense_stream *stream; uint64_t info; stream = (struct scsi_sense_stream *)header; info = 0; scsi_get_sense_info(sense, sense_len, SSD_DESC_INFO, &info, NULL); scsi_stream_sbuf(sb, stream->byte3, info); } void scsi_sense_block_sbuf(struct sbuf *sb, struct scsi_sense_data *sense, u_int sense_len, uint8_t *cdb, int cdb_len, struct scsi_inquiry_data *inq_data, struct scsi_sense_desc_header *header) { struct scsi_sense_block *block; uint64_t info; block = (struct scsi_sense_block *)header; info = 0; scsi_get_sense_info(sense, sense_len, SSD_DESC_INFO, &info, NULL); scsi_block_sbuf(sb, block->byte3, info); } void scsi_sense_progress_sbuf(struct sbuf *sb, struct scsi_sense_data *sense, u_int sense_len, uint8_t *cdb, int cdb_len, struct scsi_inquiry_data *inq_data, struct scsi_sense_desc_header *header) { struct scsi_sense_progress *progress; const char *sense_key_desc; const char *asc_desc; int progress_val; progress = (struct scsi_sense_progress *)header; /* * Get descriptions for the sense key, ASC, and ASCQ in the * progress descriptor. These could be different than the values * in the overall sense data. */ scsi_sense_desc(progress->sense_key, progress->add_sense_code, progress->add_sense_code_qual, inq_data, &sense_key_desc, &asc_desc); progress_val = scsi_2btoul(progress->progress); /* * The progress indicator is for the operation described by the * sense key, ASC, and ASCQ in the descriptor. */ sbuf_cat(sb, sense_key_desc); sbuf_printf(sb, " asc:%x,%x (%s): ", progress->add_sense_code, progress->add_sense_code_qual, asc_desc); scsi_progress_sbuf(sb, progress_val); } /* * Generic sense descriptor printing routine. This is used when we have * not yet implemented a specific printing routine for this descriptor. */ void scsi_sense_generic_sbuf(struct sbuf *sb, struct scsi_sense_data *sense, u_int sense_len, uint8_t *cdb, int cdb_len, struct scsi_inquiry_data *inq_data, struct scsi_sense_desc_header *header) { int i; uint8_t *buf_ptr; sbuf_printf(sb, "Descriptor %#x:", header->desc_type); buf_ptr = (uint8_t *)&header[1]; for (i = 0; i < header->length; i++, buf_ptr++) sbuf_printf(sb, " %02x", *buf_ptr); } /* * Keep this list in numeric order. This speeds the array traversal. */ struct scsi_sense_desc_printer { uint8_t desc_type; /* * The function arguments here are the superset of what is needed * to print out various different descriptors. Command and * information descriptors need inquiry data and command type. * Sense key specific descriptors need the sense key. * * The sense, cdb, and inquiry data arguments may be NULL, but the * information printed may not be fully decoded as a result. */ void (*print_func)(struct sbuf *sb, struct scsi_sense_data *sense, u_int sense_len, uint8_t *cdb, int cdb_len, struct scsi_inquiry_data *inq_data, struct scsi_sense_desc_header *header); } scsi_sense_printers[] = { {SSD_DESC_INFO, scsi_sense_info_sbuf}, {SSD_DESC_COMMAND, scsi_sense_command_sbuf}, {SSD_DESC_SKS, scsi_sense_sks_sbuf}, {SSD_DESC_FRU, scsi_sense_fru_sbuf}, {SSD_DESC_STREAM, scsi_sense_stream_sbuf}, {SSD_DESC_BLOCK, scsi_sense_block_sbuf}, {SSD_DESC_PROGRESS, scsi_sense_progress_sbuf} }; void scsi_sense_desc_sbuf(struct sbuf *sb, struct scsi_sense_data *sense, u_int sense_len, uint8_t *cdb, int cdb_len, struct scsi_inquiry_data *inq_data, struct scsi_sense_desc_header *header) { int i; for (i = 0; i < (sizeof(scsi_sense_printers) / sizeof(scsi_sense_printers[0])); i++) { struct scsi_sense_desc_printer *printer; printer = &scsi_sense_printers[i]; /* * The list is sorted, so quit if we've passed our * descriptor number. */ if (printer->desc_type > header->desc_type) break; if (printer->desc_type != header->desc_type) continue; printer->print_func(sb, sense, sense_len, cdb, cdb_len, inq_data, header); return; } /* * No specific printing routine, so use the generic routine. */ scsi_sense_generic_sbuf(sb, sense, sense_len, cdb, cdb_len, inq_data, header); } scsi_sense_data_type scsi_sense_type(struct scsi_sense_data *sense_data) { switch (sense_data->error_code & SSD_ERRCODE) { case SSD_DESC_CURRENT_ERROR: case SSD_DESC_DEFERRED_ERROR: return (SSD_TYPE_DESC); break; case SSD_CURRENT_ERROR: case SSD_DEFERRED_ERROR: return (SSD_TYPE_FIXED); break; default: break; } return (SSD_TYPE_NONE); } struct scsi_print_sense_info { struct sbuf *sb; char *path_str; uint8_t *cdb; int cdb_len; struct scsi_inquiry_data *inq_data; }; static int scsi_print_desc_func(struct scsi_sense_data_desc *sense, u_int sense_len, struct scsi_sense_desc_header *header, void *arg) { struct scsi_print_sense_info *print_info; print_info = (struct scsi_print_sense_info *)arg; switch (header->desc_type) { case SSD_DESC_INFO: case SSD_DESC_FRU: case SSD_DESC_COMMAND: case SSD_DESC_SKS: case SSD_DESC_BLOCK: case SSD_DESC_STREAM: /* * We have already printed these descriptors, if they are * present. */ break; default: { sbuf_printf(print_info->sb, "%s", print_info->path_str); scsi_sense_desc_sbuf(print_info->sb, (struct scsi_sense_data *)sense, sense_len, print_info->cdb, print_info->cdb_len, print_info->inq_data, header); sbuf_printf(print_info->sb, "\n"); break; } } /* * Tell the iterator that we want to see more descriptors if they * are present. */ return (0); } void scsi_sense_only_sbuf(struct scsi_sense_data *sense, u_int sense_len, struct sbuf *sb, char *path_str, struct scsi_inquiry_data *inq_data, uint8_t *cdb, int cdb_len) { int error_code, sense_key, asc, ascq; sbuf_cat(sb, path_str); scsi_extract_sense_len(sense, sense_len, &error_code, &sense_key, &asc, &ascq, /*show_errors*/ 1); sbuf_printf(sb, "SCSI sense: "); switch (error_code) { case SSD_DEFERRED_ERROR: case SSD_DESC_DEFERRED_ERROR: sbuf_printf(sb, "Deferred error: "); /* FALLTHROUGH */ case SSD_CURRENT_ERROR: case SSD_DESC_CURRENT_ERROR: { struct scsi_sense_data_desc *desc_sense; struct scsi_print_sense_info print_info; const char *sense_key_desc; const char *asc_desc; uint8_t sks[3]; uint64_t val; int info_valid; /* * Get descriptions for the sense key, ASC, and ASCQ. If * these aren't present in the sense data (i.e. the sense * data isn't long enough), the -1 values that * scsi_extract_sense_len() returns will yield default * or error descriptions. */ scsi_sense_desc(sense_key, asc, ascq, inq_data, &sense_key_desc, &asc_desc); /* * We first print the sense key and ASC/ASCQ. */ sbuf_cat(sb, sense_key_desc); sbuf_printf(sb, " asc:%x,%x (%s)\n", asc, ascq, asc_desc); /* * Get the info field if it is valid. */ if (scsi_get_sense_info(sense, sense_len, SSD_DESC_INFO, &val, NULL) == 0) info_valid = 1; else info_valid = 0; if (info_valid != 0) { uint8_t bits; /* * Determine whether we have any block or stream * device-specific information. */ if (scsi_get_block_info(sense, sense_len, inq_data, &bits) == 0) { sbuf_cat(sb, path_str); scsi_block_sbuf(sb, bits, val); sbuf_printf(sb, "\n"); } else if (scsi_get_stream_info(sense, sense_len, inq_data, &bits) == 0) { sbuf_cat(sb, path_str); scsi_stream_sbuf(sb, bits, val); sbuf_printf(sb, "\n"); } else if (val != 0) { /* * The information field can be valid but 0. * If the block or stream bits aren't set, * and this is 0, it isn't terribly useful * to print it out. */ sbuf_cat(sb, path_str); scsi_info_sbuf(sb, cdb, cdb_len, inq_data, val); sbuf_printf(sb, "\n"); } } /* * Print the FRU. */ if (scsi_get_sense_info(sense, sense_len, SSD_DESC_FRU, &val, NULL) == 0) { sbuf_cat(sb, path_str); scsi_fru_sbuf(sb, val); sbuf_printf(sb, "\n"); } /* * Print any command-specific information. */ if (scsi_get_sense_info(sense, sense_len, SSD_DESC_COMMAND, &val, NULL) == 0) { sbuf_cat(sb, path_str); scsi_command_sbuf(sb, cdb, cdb_len, inq_data, val); sbuf_printf(sb, "\n"); } /* * Print out any sense-key-specific information. */ if (scsi_get_sks(sense, sense_len, sks) == 0) { sbuf_cat(sb, path_str); scsi_sks_sbuf(sb, sense_key, sks); sbuf_printf(sb, "\n"); } /* * If this is fixed sense, we're done. If we have * descriptor sense, we might have more information * available. */ if (scsi_sense_type(sense) != SSD_TYPE_DESC) break; desc_sense = (struct scsi_sense_data_desc *)sense; print_info.sb = sb; print_info.path_str = path_str; print_info.cdb = cdb; print_info.cdb_len = cdb_len; print_info.inq_data = inq_data; /* * Print any sense descriptors that we have not already printed. */ scsi_desc_iterate(desc_sense, sense_len, scsi_print_desc_func, &print_info); break; } case -1: /* * scsi_extract_sense_len() sets values to -1 if the * show_errors flag is set and they aren't present in the * sense data. This means that sense_len is 0. */ sbuf_printf(sb, "No sense data present\n"); break; default: { sbuf_printf(sb, "Error code 0x%x", error_code); if (sense->error_code & SSD_ERRCODE_VALID) { struct scsi_sense_data_fixed *fixed_sense; fixed_sense = (struct scsi_sense_data_fixed *)sense; if (SSD_FIXED_IS_PRESENT(fixed_sense, sense_len, info)){ uint32_t info; info = scsi_4btoul(fixed_sense->info); sbuf_printf(sb, " at block no. %d (decimal)", info); } } sbuf_printf(sb, "\n"); break; } } } /* * scsi_sense_sbuf() returns 0 for success and -1 for failure. */ #ifdef _KERNEL int scsi_sense_sbuf(struct ccb_scsiio *csio, struct sbuf *sb, scsi_sense_string_flags flags) #else /* !_KERNEL */ int scsi_sense_sbuf(struct cam_device *device, struct ccb_scsiio *csio, struct sbuf *sb, scsi_sense_string_flags flags) #endif /* _KERNEL/!_KERNEL */ { struct scsi_sense_data *sense; struct scsi_inquiry_data *inq_data; #ifdef _KERNEL struct ccb_getdev *cgd; #endif /* _KERNEL */ char path_str[64]; uint8_t *cdb; #ifndef _KERNEL if (device == NULL) return(-1); #endif /* !_KERNEL */ if ((csio == NULL) || (sb == NULL)) return(-1); /* * If the CDB is a physical address, we can't deal with it.. */ if ((csio->ccb_h.flags & CAM_CDB_PHYS) != 0) flags &= ~SSS_FLAG_PRINT_COMMAND; #ifdef _KERNEL xpt_path_string(csio->ccb_h.path, path_str, sizeof(path_str)); #else /* !_KERNEL */ cam_path_string(device, path_str, sizeof(path_str)); #endif /* _KERNEL/!_KERNEL */ #ifdef _KERNEL if ((cgd = (struct ccb_getdev*)xpt_alloc_ccb_nowait()) == NULL) return(-1); /* * Get the device information. */ xpt_setup_ccb(&cgd->ccb_h, csio->ccb_h.path, CAM_PRIORITY_NORMAL); cgd->ccb_h.func_code = XPT_GDEV_TYPE; xpt_action((union ccb *)cgd); /* * If the device is unconfigured, just pretend that it is a hard * drive. scsi_op_desc() needs this. */ if (cgd->ccb_h.status == CAM_DEV_NOT_THERE) cgd->inq_data.device = T_DIRECT; inq_data = &cgd->inq_data; #else /* !_KERNEL */ inq_data = &device->inq_data; #endif /* _KERNEL/!_KERNEL */ sense = NULL; if (flags & SSS_FLAG_PRINT_COMMAND) { sbuf_cat(sb, path_str); #ifdef _KERNEL scsi_command_string(csio, sb); #else /* !_KERNEL */ scsi_command_string(device, csio, sb); #endif /* _KERNEL/!_KERNEL */ sbuf_printf(sb, "\n"); } /* * If the sense data is a physical pointer, forget it. */ if (csio->ccb_h.flags & CAM_SENSE_PTR) { if (csio->ccb_h.flags & CAM_SENSE_PHYS) { #ifdef _KERNEL xpt_free_ccb((union ccb*)cgd); #endif /* _KERNEL/!_KERNEL */ return(-1); } else { /* * bcopy the pointer to avoid unaligned access * errors on finicky architectures. We don't * ensure that the sense data is pointer aligned. */ bcopy(&csio->sense_data, &sense, sizeof(struct scsi_sense_data *)); } } else { /* * If the physical sense flag is set, but the sense pointer * is not also set, we assume that the user is an idiot and * return. (Well, okay, it could be that somehow, the * entire csio is physical, but we would have probably core * dumped on one of the bogus pointer deferences above * already.) */ if (csio->ccb_h.flags & CAM_SENSE_PHYS) { #ifdef _KERNEL xpt_free_ccb((union ccb*)cgd); #endif /* _KERNEL/!_KERNEL */ return(-1); } else sense = &csio->sense_data; } if (csio->ccb_h.flags & CAM_CDB_POINTER) cdb = csio->cdb_io.cdb_ptr; else cdb = csio->cdb_io.cdb_bytes; scsi_sense_only_sbuf(sense, csio->sense_len - csio->sense_resid, sb, path_str, inq_data, cdb, csio->cdb_len); #ifdef _KERNEL xpt_free_ccb((union ccb*)cgd); #endif /* _KERNEL/!_KERNEL */ return(0); } #ifdef _KERNEL char * scsi_sense_string(struct ccb_scsiio *csio, char *str, int str_len) #else /* !_KERNEL */ char * scsi_sense_string(struct cam_device *device, struct ccb_scsiio *csio, char *str, int str_len) #endif /* _KERNEL/!_KERNEL */ { struct sbuf sb; sbuf_new(&sb, str, str_len, 0); #ifdef _KERNEL scsi_sense_sbuf(csio, &sb, SSS_FLAG_PRINT_COMMAND); #else /* !_KERNEL */ scsi_sense_sbuf(device, csio, &sb, SSS_FLAG_PRINT_COMMAND); #endif /* _KERNEL/!_KERNEL */ sbuf_finish(&sb); return(sbuf_data(&sb)); } #ifdef _KERNEL void scsi_sense_print(struct ccb_scsiio *csio) { struct sbuf sb; char str[512]; sbuf_new(&sb, str, sizeof(str), 0); scsi_sense_sbuf(csio, &sb, SSS_FLAG_PRINT_COMMAND); sbuf_finish(&sb); printf("%s", sbuf_data(&sb)); } #else /* !_KERNEL */ void scsi_sense_print(struct cam_device *device, struct ccb_scsiio *csio, FILE *ofile) { struct sbuf sb; char str[512]; if ((device == NULL) || (csio == NULL) || (ofile == NULL)) return; sbuf_new(&sb, str, sizeof(str), 0); scsi_sense_sbuf(device, csio, &sb, SSS_FLAG_PRINT_COMMAND); sbuf_finish(&sb); fprintf(ofile, "%s", sbuf_data(&sb)); } #endif /* _KERNEL/!_KERNEL */ /* * Extract basic sense information. This is backward-compatible with the * previous implementation. For new implementations, * scsi_extract_sense_len() is recommended. */ void scsi_extract_sense(struct scsi_sense_data *sense_data, int *error_code, int *sense_key, int *asc, int *ascq) { scsi_extract_sense_len(sense_data, sizeof(*sense_data), error_code, sense_key, asc, ascq, /*show_errors*/ 0); } /* * Extract basic sense information from SCSI I/O CCB structure. */ int scsi_extract_sense_ccb(union ccb *ccb, int *error_code, int *sense_key, int *asc, int *ascq) { struct scsi_sense_data *sense_data; /* Make sure there are some sense data we can access. */ if (ccb->ccb_h.func_code != XPT_SCSI_IO || (ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_SCSI_STATUS_ERROR || (ccb->csio.scsi_status != SCSI_STATUS_CHECK_COND) || (ccb->ccb_h.status & CAM_AUTOSNS_VALID) == 0 || (ccb->ccb_h.flags & CAM_SENSE_PHYS)) return (0); if (ccb->ccb_h.flags & CAM_SENSE_PTR) bcopy(&ccb->csio.sense_data, &sense_data, sizeof(struct scsi_sense_data *)); else sense_data = &ccb->csio.sense_data; scsi_extract_sense_len(sense_data, ccb->csio.sense_len - ccb->csio.sense_resid, error_code, sense_key, asc, ascq, 1); if (*error_code == -1) return (0); return (1); } /* * Extract basic sense information. If show_errors is set, sense values * will be set to -1 if they are not present. */ void scsi_extract_sense_len(struct scsi_sense_data *sense_data, u_int sense_len, int *error_code, int *sense_key, int *asc, int *ascq, int show_errors) { /* * If we have no length, we have no sense. */ if (sense_len == 0) { if (show_errors == 0) { *error_code = 0; *sense_key = 0; *asc = 0; *ascq = 0; } else { *error_code = -1; *sense_key = -1; *asc = -1; *ascq = -1; } return; } *error_code = sense_data->error_code & SSD_ERRCODE; switch (*error_code) { case SSD_DESC_CURRENT_ERROR: case SSD_DESC_DEFERRED_ERROR: { struct scsi_sense_data_desc *sense; sense = (struct scsi_sense_data_desc *)sense_data; if (SSD_DESC_IS_PRESENT(sense, sense_len, sense_key)) *sense_key = sense->sense_key & SSD_KEY; else *sense_key = (show_errors) ? -1 : 0; if (SSD_DESC_IS_PRESENT(sense, sense_len, add_sense_code)) *asc = sense->add_sense_code; else *asc = (show_errors) ? -1 : 0; if (SSD_DESC_IS_PRESENT(sense, sense_len, add_sense_code_qual)) *ascq = sense->add_sense_code_qual; else *ascq = (show_errors) ? -1 : 0; break; } case SSD_CURRENT_ERROR: case SSD_DEFERRED_ERROR: default: { struct scsi_sense_data_fixed *sense; sense = (struct scsi_sense_data_fixed *)sense_data; if (SSD_FIXED_IS_PRESENT(sense, sense_len, flags)) *sense_key = sense->flags & SSD_KEY; else *sense_key = (show_errors) ? -1 : 0; if ((SSD_FIXED_IS_PRESENT(sense, sense_len, add_sense_code)) && (SSD_FIXED_IS_FILLED(sense, add_sense_code))) *asc = sense->add_sense_code; else *asc = (show_errors) ? -1 : 0; if ((SSD_FIXED_IS_PRESENT(sense, sense_len,add_sense_code_qual)) && (SSD_FIXED_IS_FILLED(sense, add_sense_code_qual))) *ascq = sense->add_sense_code_qual; else *ascq = (show_errors) ? -1 : 0; break; } } } int scsi_get_sense_key(struct scsi_sense_data *sense_data, u_int sense_len, int show_errors) { int error_code, sense_key, asc, ascq; scsi_extract_sense_len(sense_data, sense_len, &error_code, &sense_key, &asc, &ascq, show_errors); return (sense_key); } int scsi_get_asc(struct scsi_sense_data *sense_data, u_int sense_len, int show_errors) { int error_code, sense_key, asc, ascq; scsi_extract_sense_len(sense_data, sense_len, &error_code, &sense_key, &asc, &ascq, show_errors); return (asc); } int scsi_get_ascq(struct scsi_sense_data *sense_data, u_int sense_len, int show_errors) { int error_code, sense_key, asc, ascq; scsi_extract_sense_len(sense_data, sense_len, &error_code, &sense_key, &asc, &ascq, show_errors); return (ascq); } /* * This function currently requires at least 36 bytes, or * SHORT_INQUIRY_LENGTH, worth of data to function properly. If this * function needs more or less data in the future, another length should be * defined in scsi_all.h to indicate the minimum amount of data necessary * for this routine to function properly. */ void scsi_print_inquiry(struct scsi_inquiry_data *inq_data) { u_int8_t type; char *dtype, *qtype; char vendor[16], product[48], revision[16], rstr[4]; type = SID_TYPE(inq_data); /* * Figure out basic device type and qualifier. */ if (SID_QUAL_IS_VENDOR_UNIQUE(inq_data)) { qtype = "(vendor-unique qualifier)"; } else { switch (SID_QUAL(inq_data)) { case SID_QUAL_LU_CONNECTED: qtype = ""; break; case SID_QUAL_LU_OFFLINE: qtype = "(offline)"; break; case SID_QUAL_RSVD: qtype = "(reserved qualifier)"; break; default: case SID_QUAL_BAD_LU: qtype = "(LUN not supported)"; break; } } switch (type) { case T_DIRECT: dtype = "Direct Access"; break; case T_SEQUENTIAL: dtype = "Sequential Access"; break; case T_PRINTER: dtype = "Printer"; break; case T_PROCESSOR: dtype = "Processor"; break; case T_WORM: dtype = "WORM"; break; case T_CDROM: dtype = "CD-ROM"; break; case T_SCANNER: dtype = "Scanner"; break; case T_OPTICAL: dtype = "Optical"; break; case T_CHANGER: dtype = "Changer"; break; case T_COMM: dtype = "Communication"; break; case T_STORARRAY: dtype = "Storage Array"; break; case T_ENCLOSURE: dtype = "Enclosure Services"; break; case T_RBC: dtype = "Simplified Direct Access"; break; case T_OCRW: dtype = "Optical Card Read/Write"; break; case T_OSD: dtype = "Object-Based Storage"; break; case T_ADC: dtype = "Automation/Drive Interface"; break; case T_NODEVICE: dtype = "Uninstalled"; break; default: dtype = "unknown"; break; } cam_strvis(vendor, inq_data->vendor, sizeof(inq_data->vendor), sizeof(vendor)); cam_strvis(product, inq_data->product, sizeof(inq_data->product), sizeof(product)); cam_strvis(revision, inq_data->revision, sizeof(inq_data->revision), sizeof(revision)); if (SID_ANSI_REV(inq_data) == SCSI_REV_CCS) bcopy("CCS", rstr, 4); else snprintf(rstr, sizeof (rstr), "%d", SID_ANSI_REV(inq_data)); printf("<%s %s %s> %s %s SCSI-%s device %s\n", vendor, product, revision, SID_IS_REMOVABLE(inq_data) ? "Removable" : "Fixed", dtype, rstr, qtype); } +void +scsi_print_inquiry_short(struct scsi_inquiry_data *inq_data) +{ + char vendor[16], product[48], revision[16]; + + cam_strvis(vendor, inq_data->vendor, sizeof(inq_data->vendor), + sizeof(vendor)); + cam_strvis(product, inq_data->product, sizeof(inq_data->product), + sizeof(product)); + cam_strvis(revision, inq_data->revision, sizeof(inq_data->revision), + sizeof(revision)); + + printf("<%s %s %s>", vendor, product, revision); +} + /* * Table of syncrates that don't follow the "divisible by 4" * rule. This table will be expanded in future SCSI specs. */ static struct { u_int period_factor; u_int period; /* in 100ths of ns */ } scsi_syncrates[] = { { 0x08, 625 }, /* FAST-160 */ { 0x09, 1250 }, /* FAST-80 */ { 0x0a, 2500 }, /* FAST-40 40MHz */ { 0x0b, 3030 }, /* FAST-40 33MHz */ { 0x0c, 5000 } /* FAST-20 */ }; /* * Return the frequency in kHz corresponding to the given * sync period factor. */ u_int scsi_calc_syncsrate(u_int period_factor) { int i; int num_syncrates; /* * It's a bug if period is zero, but if it is anyway, don't * die with a divide fault- instead return something which * 'approximates' async */ if (period_factor == 0) { return (3300); } num_syncrates = sizeof(scsi_syncrates) / sizeof(scsi_syncrates[0]); /* See if the period is in the "exception" table */ for (i = 0; i < num_syncrates; i++) { if (period_factor == scsi_syncrates[i].period_factor) { /* Period in kHz */ return (100000000 / scsi_syncrates[i].period); } } /* * Wasn't in the table, so use the standard * 4 times conversion. */ return (10000000 / (period_factor * 4 * 10)); } /* * Return the SCSI sync parameter that corresponsd to * the passed in period in 10ths of ns. */ u_int scsi_calc_syncparam(u_int period) { int i; int num_syncrates; if (period == 0) return (~0); /* Async */ /* Adjust for exception table being in 100ths. */ period *= 10; num_syncrates = sizeof(scsi_syncrates) / sizeof(scsi_syncrates[0]); /* See if the period is in the "exception" table */ for (i = 0; i < num_syncrates; i++) { if (period <= scsi_syncrates[i].period) { /* Period in 100ths of ns */ return (scsi_syncrates[i].period_factor); } } /* * Wasn't in the table, so use the standard * 1/4 period in ns conversion. */ return (period/400); } int scsi_devid_is_naa_ieee_reg(uint8_t *bufp) { struct scsi_vpd_id_descriptor *descr; struct scsi_vpd_id_naa_basic *naa; descr = (struct scsi_vpd_id_descriptor *)bufp; naa = (struct scsi_vpd_id_naa_basic *)descr->identifier; if ((descr->id_type & SVPD_ID_TYPE_MASK) != SVPD_ID_TYPE_NAA) return 0; if (descr->length < sizeof(struct scsi_vpd_id_naa_ieee_reg)) return 0; if ((naa->naa >> SVPD_ID_NAA_NAA_SHIFT) != SVPD_ID_NAA_IEEE_REG) return 0; return 1; } int scsi_devid_is_sas_target(uint8_t *bufp) { struct scsi_vpd_id_descriptor *descr; descr = (struct scsi_vpd_id_descriptor *)bufp; if (!scsi_devid_is_naa_ieee_reg(bufp)) return 0; if ((descr->id_type & SVPD_ID_PIV) == 0) /* proto field reserved */ return 0; if ((descr->proto_codeset >> SVPD_ID_PROTO_SHIFT) != SCSI_PROTO_SAS) return 0; return 1; } int scsi_devid_is_lun_eui64(uint8_t *bufp) { struct scsi_vpd_id_descriptor *descr; descr = (struct scsi_vpd_id_descriptor *)bufp; if ((descr->id_type & SVPD_ID_ASSOC_MASK) != SVPD_ID_ASSOC_LUN) return 0; if ((descr->id_type & SVPD_ID_TYPE_MASK) != SVPD_ID_TYPE_EUI64) return 0; return 1; } int scsi_devid_is_lun_naa(uint8_t *bufp) { struct scsi_vpd_id_descriptor *descr; descr = (struct scsi_vpd_id_descriptor *)bufp; if ((descr->id_type & SVPD_ID_ASSOC_MASK) != SVPD_ID_ASSOC_LUN) return 0; if ((descr->id_type & SVPD_ID_TYPE_MASK) != SVPD_ID_TYPE_NAA) return 0; return 1; } int scsi_devid_is_lun_t10(uint8_t *bufp) { struct scsi_vpd_id_descriptor *descr; descr = (struct scsi_vpd_id_descriptor *)bufp; if ((descr->id_type & SVPD_ID_ASSOC_MASK) != SVPD_ID_ASSOC_LUN) return 0; if ((descr->id_type & SVPD_ID_TYPE_MASK) != SVPD_ID_TYPE_T10) return 0; return 1; } int scsi_devid_is_lun_name(uint8_t *bufp) { struct scsi_vpd_id_descriptor *descr; descr = (struct scsi_vpd_id_descriptor *)bufp; if ((descr->id_type & SVPD_ID_ASSOC_MASK) != SVPD_ID_ASSOC_LUN) return 0; if ((descr->id_type & SVPD_ID_TYPE_MASK) != SVPD_ID_TYPE_SCSI_NAME) return 0; return 1; } struct scsi_vpd_id_descriptor * scsi_get_devid(struct scsi_vpd_device_id *id, uint32_t page_len, scsi_devid_checkfn_t ck_fn) { struct scsi_vpd_id_descriptor *desc; uint8_t *page_end; uint8_t *desc_buf_end; page_end = (uint8_t *)id + page_len; if (page_end < id->desc_list) return (NULL); desc_buf_end = MIN(id->desc_list + scsi_2btoul(id->length), page_end); for (desc = (struct scsi_vpd_id_descriptor *)id->desc_list; desc->identifier <= desc_buf_end && desc->identifier + desc->length <= desc_buf_end; desc = (struct scsi_vpd_id_descriptor *)(desc->identifier + desc->length)) { if (ck_fn == NULL || ck_fn((uint8_t *)desc) != 0) return (desc); } return (NULL); } void scsi_test_unit_ready(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int8_t sense_len, u_int32_t timeout) { struct scsi_test_unit_ready *scsi_cmd; cam_fill_csio(csio, retries, cbfcnp, CAM_DIR_NONE, tag_action, /*data_ptr*/NULL, /*dxfer_len*/0, sense_len, sizeof(*scsi_cmd), timeout); scsi_cmd = (struct scsi_test_unit_ready *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = TEST_UNIT_READY; } void scsi_request_sense(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), void *data_ptr, u_int8_t dxfer_len, u_int8_t tag_action, u_int8_t sense_len, u_int32_t timeout) { struct scsi_request_sense *scsi_cmd; cam_fill_csio(csio, retries, cbfcnp, CAM_DIR_IN, tag_action, data_ptr, dxfer_len, sense_len, sizeof(*scsi_cmd), timeout); scsi_cmd = (struct scsi_request_sense *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = REQUEST_SENSE; scsi_cmd->length = dxfer_len; } void scsi_inquiry(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int8_t *inq_buf, u_int32_t inq_len, int evpd, u_int8_t page_code, u_int8_t sense_len, u_int32_t timeout) { struct scsi_inquiry *scsi_cmd; cam_fill_csio(csio, retries, cbfcnp, /*flags*/CAM_DIR_IN, tag_action, /*data_ptr*/inq_buf, /*dxfer_len*/inq_len, sense_len, sizeof(*scsi_cmd), timeout); scsi_cmd = (struct scsi_inquiry *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = INQUIRY; if (evpd) { scsi_cmd->byte2 |= SI_EVPD; scsi_cmd->page_code = page_code; } scsi_ulto2b(inq_len, scsi_cmd->length); } void scsi_mode_sense(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, int dbd, u_int8_t page_code, u_int8_t page, u_int8_t *param_buf, u_int32_t param_len, u_int8_t sense_len, u_int32_t timeout) { scsi_mode_sense_len(csio, retries, cbfcnp, tag_action, dbd, page_code, page, param_buf, param_len, 0, sense_len, timeout); } void scsi_mode_sense_len(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, int dbd, u_int8_t page_code, u_int8_t page, u_int8_t *param_buf, u_int32_t param_len, int minimum_cmd_size, u_int8_t sense_len, u_int32_t timeout) { u_int8_t cdb_len; /* * Use the smallest possible command to perform the operation. */ if ((param_len < 256) && (minimum_cmd_size < 10)) { /* * We can fit in a 6 byte cdb. */ struct scsi_mode_sense_6 *scsi_cmd; scsi_cmd = (struct scsi_mode_sense_6 *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = MODE_SENSE_6; if (dbd != 0) scsi_cmd->byte2 |= SMS_DBD; scsi_cmd->page = page_code | page; scsi_cmd->length = param_len; cdb_len = sizeof(*scsi_cmd); } else { /* * Need a 10 byte cdb. */ struct scsi_mode_sense_10 *scsi_cmd; scsi_cmd = (struct scsi_mode_sense_10 *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = MODE_SENSE_10; if (dbd != 0) scsi_cmd->byte2 |= SMS_DBD; scsi_cmd->page = page_code | page; scsi_ulto2b(param_len, scsi_cmd->length); cdb_len = sizeof(*scsi_cmd); } cam_fill_csio(csio, retries, cbfcnp, CAM_DIR_IN, tag_action, param_buf, param_len, sense_len, cdb_len, timeout); } void scsi_mode_select(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, int scsi_page_fmt, int save_pages, u_int8_t *param_buf, u_int32_t param_len, u_int8_t sense_len, u_int32_t timeout) { scsi_mode_select_len(csio, retries, cbfcnp, tag_action, scsi_page_fmt, save_pages, param_buf, param_len, 0, sense_len, timeout); } void scsi_mode_select_len(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, int scsi_page_fmt, int save_pages, u_int8_t *param_buf, u_int32_t param_len, int minimum_cmd_size, u_int8_t sense_len, u_int32_t timeout) { u_int8_t cdb_len; /* * Use the smallest possible command to perform the operation. */ if ((param_len < 256) && (minimum_cmd_size < 10)) { /* * We can fit in a 6 byte cdb. */ struct scsi_mode_select_6 *scsi_cmd; scsi_cmd = (struct scsi_mode_select_6 *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = MODE_SELECT_6; if (scsi_page_fmt != 0) scsi_cmd->byte2 |= SMS_PF; if (save_pages != 0) scsi_cmd->byte2 |= SMS_SP; scsi_cmd->length = param_len; cdb_len = sizeof(*scsi_cmd); } else { /* * Need a 10 byte cdb. */ struct scsi_mode_select_10 *scsi_cmd; scsi_cmd = (struct scsi_mode_select_10 *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = MODE_SELECT_10; if (scsi_page_fmt != 0) scsi_cmd->byte2 |= SMS_PF; if (save_pages != 0) scsi_cmd->byte2 |= SMS_SP; scsi_ulto2b(param_len, scsi_cmd->length); cdb_len = sizeof(*scsi_cmd); } cam_fill_csio(csio, retries, cbfcnp, CAM_DIR_OUT, tag_action, param_buf, param_len, sense_len, cdb_len, timeout); } void scsi_log_sense(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int8_t page_code, u_int8_t page, int save_pages, int ppc, u_int32_t paramptr, u_int8_t *param_buf, u_int32_t param_len, u_int8_t sense_len, u_int32_t timeout) { struct scsi_log_sense *scsi_cmd; u_int8_t cdb_len; scsi_cmd = (struct scsi_log_sense *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = LOG_SENSE; scsi_cmd->page = page_code | page; if (save_pages != 0) scsi_cmd->byte2 |= SLS_SP; if (ppc != 0) scsi_cmd->byte2 |= SLS_PPC; scsi_ulto2b(paramptr, scsi_cmd->paramptr); scsi_ulto2b(param_len, scsi_cmd->length); cdb_len = sizeof(*scsi_cmd); cam_fill_csio(csio, retries, cbfcnp, /*flags*/CAM_DIR_IN, tag_action, /*data_ptr*/param_buf, /*dxfer_len*/param_len, sense_len, cdb_len, timeout); } void scsi_log_select(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int8_t page_code, int save_pages, int pc_reset, u_int8_t *param_buf, u_int32_t param_len, u_int8_t sense_len, u_int32_t timeout) { struct scsi_log_select *scsi_cmd; u_int8_t cdb_len; scsi_cmd = (struct scsi_log_select *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = LOG_SELECT; scsi_cmd->page = page_code & SLS_PAGE_CODE; if (save_pages != 0) scsi_cmd->byte2 |= SLS_SP; if (pc_reset != 0) scsi_cmd->byte2 |= SLS_PCR; scsi_ulto2b(param_len, scsi_cmd->length); cdb_len = sizeof(*scsi_cmd); cam_fill_csio(csio, retries, cbfcnp, /*flags*/CAM_DIR_OUT, tag_action, /*data_ptr*/param_buf, /*dxfer_len*/param_len, sense_len, cdb_len, timeout); } /* * Prevent or allow the user to remove the media */ void scsi_prevent(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int8_t action, u_int8_t sense_len, u_int32_t timeout) { struct scsi_prevent *scsi_cmd; cam_fill_csio(csio, retries, cbfcnp, /*flags*/CAM_DIR_NONE, tag_action, /*data_ptr*/NULL, /*dxfer_len*/0, sense_len, sizeof(*scsi_cmd), timeout); scsi_cmd = (struct scsi_prevent *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = PREVENT_ALLOW; scsi_cmd->how = action; } /* XXX allow specification of address and PMI bit and LBA */ void scsi_read_capacity(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, struct scsi_read_capacity_data *rcap_buf, u_int8_t sense_len, u_int32_t timeout) { struct scsi_read_capacity *scsi_cmd; cam_fill_csio(csio, retries, cbfcnp, /*flags*/CAM_DIR_IN, tag_action, /*data_ptr*/(u_int8_t *)rcap_buf, /*dxfer_len*/sizeof(*rcap_buf), sense_len, sizeof(*scsi_cmd), timeout); scsi_cmd = (struct scsi_read_capacity *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = READ_CAPACITY; } void scsi_read_capacity_16(struct ccb_scsiio *csio, uint32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), uint8_t tag_action, uint64_t lba, int reladr, int pmi, struct scsi_read_capacity_data_long *rcap_buf, uint8_t sense_len, uint32_t timeout) { struct scsi_read_capacity_16 *scsi_cmd; cam_fill_csio(csio, retries, cbfcnp, /*flags*/CAM_DIR_IN, tag_action, /*data_ptr*/(u_int8_t *)rcap_buf, /*dxfer_len*/sizeof(*rcap_buf), sense_len, sizeof(*scsi_cmd), timeout); scsi_cmd = (struct scsi_read_capacity_16 *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = SERVICE_ACTION_IN; scsi_cmd->service_action = SRC16_SERVICE_ACTION; scsi_u64to8b(lba, scsi_cmd->addr); scsi_ulto4b(sizeof(*rcap_buf), scsi_cmd->alloc_len); if (pmi) reladr |= SRC16_PMI; if (reladr) reladr |= SRC16_RELADR; } void scsi_report_luns(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int8_t select_report, struct scsi_report_luns_data *rpl_buf, u_int32_t alloc_len, u_int8_t sense_len, u_int32_t timeout) { struct scsi_report_luns *scsi_cmd; cam_fill_csio(csio, retries, cbfcnp, /*flags*/CAM_DIR_IN, tag_action, /*data_ptr*/(u_int8_t *)rpl_buf, /*dxfer_len*/alloc_len, sense_len, sizeof(*scsi_cmd), timeout); scsi_cmd = (struct scsi_report_luns *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = REPORT_LUNS; scsi_cmd->select_report = select_report; scsi_ulto4b(alloc_len, scsi_cmd->length); } void scsi_report_target_group(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int8_t pdf, void *buf, u_int32_t alloc_len, u_int8_t sense_len, u_int32_t timeout) { struct scsi_target_group *scsi_cmd; cam_fill_csio(csio, retries, cbfcnp, /*flags*/CAM_DIR_IN, tag_action, /*data_ptr*/(u_int8_t *)buf, /*dxfer_len*/alloc_len, sense_len, sizeof(*scsi_cmd), timeout); scsi_cmd = (struct scsi_target_group *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = MAINTENANCE_IN; scsi_cmd->service_action = REPORT_TARGET_PORT_GROUPS | pdf; scsi_ulto4b(alloc_len, scsi_cmd->length); } void scsi_set_target_group(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, void *buf, u_int32_t alloc_len, u_int8_t sense_len, u_int32_t timeout) { struct scsi_target_group *scsi_cmd; cam_fill_csio(csio, retries, cbfcnp, /*flags*/CAM_DIR_OUT, tag_action, /*data_ptr*/(u_int8_t *)buf, /*dxfer_len*/alloc_len, sense_len, sizeof(*scsi_cmd), timeout); scsi_cmd = (struct scsi_target_group *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = MAINTENANCE_OUT; scsi_cmd->service_action = SET_TARGET_PORT_GROUPS; scsi_ulto4b(alloc_len, scsi_cmd->length); } /* * Syncronize the media to the contents of the cache for * the given lba/count pair. Specifying 0/0 means sync * the whole cache. */ void scsi_synchronize_cache(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int32_t begin_lba, u_int16_t lb_count, u_int8_t sense_len, u_int32_t timeout) { struct scsi_sync_cache *scsi_cmd; cam_fill_csio(csio, retries, cbfcnp, /*flags*/CAM_DIR_NONE, tag_action, /*data_ptr*/NULL, /*dxfer_len*/0, sense_len, sizeof(*scsi_cmd), timeout); scsi_cmd = (struct scsi_sync_cache *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = SYNCHRONIZE_CACHE; scsi_ulto4b(begin_lba, scsi_cmd->begin_lba); scsi_ulto2b(lb_count, scsi_cmd->lb_count); } void scsi_read_write(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, int readop, u_int8_t byte2, int minimum_cmd_size, u_int64_t lba, u_int32_t block_count, u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, u_int32_t timeout) { int read; u_int8_t cdb_len; read = (readop & SCSI_RW_DIRMASK) == SCSI_RW_READ; /* * Use the smallest possible command to perform the operation * as some legacy hardware does not support the 10 byte commands. * If any of the bits in byte2 is set, we have to go with a larger * command. */ if ((minimum_cmd_size < 10) && ((lba & 0x1fffff) == lba) && ((block_count & 0xff) == block_count) && (byte2 == 0)) { /* * We can fit in a 6 byte cdb. */ struct scsi_rw_6 *scsi_cmd; scsi_cmd = (struct scsi_rw_6 *)&csio->cdb_io.cdb_bytes; scsi_cmd->opcode = read ? READ_6 : WRITE_6; scsi_ulto3b(lba, scsi_cmd->addr); scsi_cmd->length = block_count & 0xff; scsi_cmd->control = 0; cdb_len = sizeof(*scsi_cmd); CAM_DEBUG(csio->ccb_h.path, CAM_DEBUG_SUBTRACE, ("6byte: %x%x%x:%d:%d\n", scsi_cmd->addr[0], scsi_cmd->addr[1], scsi_cmd->addr[2], scsi_cmd->length, dxfer_len)); } else if ((minimum_cmd_size < 12) && ((block_count & 0xffff) == block_count) && ((lba & 0xffffffff) == lba)) { /* * Need a 10 byte cdb. */ struct scsi_rw_10 *scsi_cmd; scsi_cmd = (struct scsi_rw_10 *)&csio->cdb_io.cdb_bytes; scsi_cmd->opcode = read ? READ_10 : WRITE_10; scsi_cmd->byte2 = byte2; scsi_ulto4b(lba, scsi_cmd->addr); scsi_cmd->reserved = 0; scsi_ulto2b(block_count, scsi_cmd->length); scsi_cmd->control = 0; cdb_len = sizeof(*scsi_cmd); CAM_DEBUG(csio->ccb_h.path, CAM_DEBUG_SUBTRACE, ("10byte: %x%x%x%x:%x%x: %d\n", scsi_cmd->addr[0], scsi_cmd->addr[1], scsi_cmd->addr[2], scsi_cmd->addr[3], scsi_cmd->length[0], scsi_cmd->length[1], dxfer_len)); } else if ((minimum_cmd_size < 16) && ((block_count & 0xffffffff) == block_count) && ((lba & 0xffffffff) == lba)) { /* * The block count is too big for a 10 byte CDB, use a 12 * byte CDB. */ struct scsi_rw_12 *scsi_cmd; scsi_cmd = (struct scsi_rw_12 *)&csio->cdb_io.cdb_bytes; scsi_cmd->opcode = read ? READ_12 : WRITE_12; scsi_cmd->byte2 = byte2; scsi_ulto4b(lba, scsi_cmd->addr); scsi_cmd->reserved = 0; scsi_ulto4b(block_count, scsi_cmd->length); scsi_cmd->control = 0; cdb_len = sizeof(*scsi_cmd); CAM_DEBUG(csio->ccb_h.path, CAM_DEBUG_SUBTRACE, ("12byte: %x%x%x%x:%x%x%x%x: %d\n", scsi_cmd->addr[0], scsi_cmd->addr[1], scsi_cmd->addr[2], scsi_cmd->addr[3], scsi_cmd->length[0], scsi_cmd->length[1], scsi_cmd->length[2], scsi_cmd->length[3], dxfer_len)); } else { /* * 16 byte CDB. We'll only get here if the LBA is larger * than 2^32, or if the user asks for a 16 byte command. */ struct scsi_rw_16 *scsi_cmd; scsi_cmd = (struct scsi_rw_16 *)&csio->cdb_io.cdb_bytes; scsi_cmd->opcode = read ? READ_16 : WRITE_16; scsi_cmd->byte2 = byte2; scsi_u64to8b(lba, scsi_cmd->addr); scsi_cmd->reserved = 0; scsi_ulto4b(block_count, scsi_cmd->length); scsi_cmd->control = 0; cdb_len = sizeof(*scsi_cmd); } cam_fill_csio(csio, retries, cbfcnp, (read ? CAM_DIR_IN : CAM_DIR_OUT) | ((readop & SCSI_RW_BIO) != 0 ? CAM_DATA_BIO : 0), tag_action, data_ptr, dxfer_len, sense_len, cdb_len, timeout); } void scsi_write_same(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int8_t byte2, int minimum_cmd_size, u_int64_t lba, u_int32_t block_count, u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, u_int32_t timeout) { u_int8_t cdb_len; if ((minimum_cmd_size < 16) && ((block_count & 0xffff) == block_count) && ((lba & 0xffffffff) == lba)) { /* * Need a 10 byte cdb. */ struct scsi_write_same_10 *scsi_cmd; scsi_cmd = (struct scsi_write_same_10 *)&csio->cdb_io.cdb_bytes; scsi_cmd->opcode = WRITE_SAME_10; scsi_cmd->byte2 = byte2; scsi_ulto4b(lba, scsi_cmd->addr); scsi_cmd->group = 0; scsi_ulto2b(block_count, scsi_cmd->length); scsi_cmd->control = 0; cdb_len = sizeof(*scsi_cmd); CAM_DEBUG(csio->ccb_h.path, CAM_DEBUG_SUBTRACE, ("10byte: %x%x%x%x:%x%x: %d\n", scsi_cmd->addr[0], scsi_cmd->addr[1], scsi_cmd->addr[2], scsi_cmd->addr[3], scsi_cmd->length[0], scsi_cmd->length[1], dxfer_len)); } else { /* * 16 byte CDB. We'll only get here if the LBA is larger * than 2^32, or if the user asks for a 16 byte command. */ struct scsi_write_same_16 *scsi_cmd; scsi_cmd = (struct scsi_write_same_16 *)&csio->cdb_io.cdb_bytes; scsi_cmd->opcode = WRITE_SAME_16; scsi_cmd->byte2 = byte2; scsi_u64to8b(lba, scsi_cmd->addr); scsi_ulto4b(block_count, scsi_cmd->length); scsi_cmd->group = 0; scsi_cmd->control = 0; cdb_len = sizeof(*scsi_cmd); CAM_DEBUG(csio->ccb_h.path, CAM_DEBUG_SUBTRACE, ("16byte: %x%x%x%x%x%x%x%x:%x%x%x%x: %d\n", scsi_cmd->addr[0], scsi_cmd->addr[1], scsi_cmd->addr[2], scsi_cmd->addr[3], scsi_cmd->addr[4], scsi_cmd->addr[5], scsi_cmd->addr[6], scsi_cmd->addr[7], scsi_cmd->length[0], scsi_cmd->length[1], scsi_cmd->length[2], scsi_cmd->length[3], dxfer_len)); } cam_fill_csio(csio, retries, cbfcnp, /*flags*/CAM_DIR_OUT, tag_action, data_ptr, dxfer_len, sense_len, cdb_len, timeout); } void scsi_ata_identify(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int8_t *data_ptr, u_int16_t dxfer_len, u_int8_t sense_len, u_int32_t timeout) { scsi_ata_pass_16(csio, retries, cbfcnp, /*flags*/CAM_DIR_IN, tag_action, /*protocol*/AP_PROTO_PIO_IN, /*ata_flags*/AP_FLAG_TDIR_FROM_DEV| AP_FLAG_BYT_BLOK_BYTES|AP_FLAG_TLEN_SECT_CNT, /*features*/0, /*sector_count*/dxfer_len, /*lba*/0, /*command*/ATA_ATA_IDENTIFY, /*control*/0, data_ptr, dxfer_len, sense_len, timeout); } void scsi_ata_trim(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int16_t block_count, u_int8_t *data_ptr, u_int16_t dxfer_len, u_int8_t sense_len, u_int32_t timeout) { scsi_ata_pass_16(csio, retries, cbfcnp, /*flags*/CAM_DIR_OUT, tag_action, /*protocol*/AP_EXTEND|AP_PROTO_DMA, /*ata_flags*/AP_FLAG_TLEN_SECT_CNT|AP_FLAG_BYT_BLOK_BLOCKS, /*features*/ATA_DSM_TRIM, /*sector_count*/block_count, /*lba*/0, /*command*/ATA_DATA_SET_MANAGEMENT, /*control*/0, data_ptr, dxfer_len, sense_len, timeout); } void scsi_ata_pass_16(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int32_t flags, u_int8_t tag_action, u_int8_t protocol, u_int8_t ata_flags, u_int16_t features, u_int16_t sector_count, uint64_t lba, u_int8_t command, u_int8_t control, u_int8_t *data_ptr, u_int16_t dxfer_len, u_int8_t sense_len, u_int32_t timeout) { struct ata_pass_16 *ata_cmd; ata_cmd = (struct ata_pass_16 *)&csio->cdb_io.cdb_bytes; ata_cmd->opcode = ATA_PASS_16; ata_cmd->protocol = protocol; ata_cmd->flags = ata_flags; ata_cmd->features_ext = features >> 8; ata_cmd->features = features; ata_cmd->sector_count_ext = sector_count >> 8; ata_cmd->sector_count = sector_count; ata_cmd->lba_low = lba; ata_cmd->lba_mid = lba >> 8; ata_cmd->lba_high = lba >> 16; ata_cmd->device = ATA_DEV_LBA; if (protocol & AP_EXTEND) { ata_cmd->lba_low_ext = lba >> 24; ata_cmd->lba_mid_ext = lba >> 32; ata_cmd->lba_high_ext = lba >> 40; } else ata_cmd->device |= (lba >> 24) & 0x0f; ata_cmd->command = command; ata_cmd->control = control; cam_fill_csio(csio, retries, cbfcnp, flags, tag_action, data_ptr, dxfer_len, sense_len, sizeof(*ata_cmd), timeout); } void scsi_unmap(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int8_t byte2, u_int8_t *data_ptr, u_int16_t dxfer_len, u_int8_t sense_len, u_int32_t timeout) { struct scsi_unmap *scsi_cmd; scsi_cmd = (struct scsi_unmap *)&csio->cdb_io.cdb_bytes; scsi_cmd->opcode = UNMAP; scsi_cmd->byte2 = byte2; scsi_ulto4b(0, scsi_cmd->reserved); scsi_cmd->group = 0; scsi_ulto2b(dxfer_len, scsi_cmd->length); scsi_cmd->control = 0; cam_fill_csio(csio, retries, cbfcnp, /*flags*/CAM_DIR_OUT, tag_action, data_ptr, dxfer_len, sense_len, sizeof(*scsi_cmd), timeout); } void scsi_receive_diagnostic_results(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb*), uint8_t tag_action, int pcv, uint8_t page_code, uint8_t *data_ptr, uint16_t allocation_length, uint8_t sense_len, uint32_t timeout) { struct scsi_receive_diag *scsi_cmd; scsi_cmd = (struct scsi_receive_diag *)&csio->cdb_io.cdb_bytes; memset(scsi_cmd, 0, sizeof(*scsi_cmd)); scsi_cmd->opcode = RECEIVE_DIAGNOSTIC; if (pcv) { scsi_cmd->byte2 |= SRD_PCV; scsi_cmd->page_code = page_code; } scsi_ulto2b(allocation_length, scsi_cmd->length); cam_fill_csio(csio, retries, cbfcnp, /*flags*/CAM_DIR_IN, tag_action, data_ptr, allocation_length, sense_len, sizeof(*scsi_cmd), timeout); } void scsi_send_diagnostic(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), uint8_t tag_action, int unit_offline, int device_offline, int self_test, int page_format, int self_test_code, uint8_t *data_ptr, uint16_t param_list_length, uint8_t sense_len, uint32_t timeout) { struct scsi_send_diag *scsi_cmd; scsi_cmd = (struct scsi_send_diag *)&csio->cdb_io.cdb_bytes; memset(scsi_cmd, 0, sizeof(*scsi_cmd)); scsi_cmd->opcode = SEND_DIAGNOSTIC; /* * The default self-test mode control and specific test * control are mutually exclusive. */ if (self_test) self_test_code = SSD_SELF_TEST_CODE_NONE; scsi_cmd->byte2 = ((self_test_code << SSD_SELF_TEST_CODE_SHIFT) & SSD_SELF_TEST_CODE_MASK) | (unit_offline ? SSD_UNITOFFL : 0) | (device_offline ? SSD_DEVOFFL : 0) | (self_test ? SSD_SELFTEST : 0) | (page_format ? SSD_PF : 0); scsi_ulto2b(param_list_length, scsi_cmd->length); cam_fill_csio(csio, retries, cbfcnp, /*flags*/param_list_length ? CAM_DIR_OUT : CAM_DIR_NONE, tag_action, data_ptr, param_list_length, sense_len, sizeof(*scsi_cmd), timeout); } void scsi_read_buffer(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb*), uint8_t tag_action, int mode, uint8_t buffer_id, u_int32_t offset, uint8_t *data_ptr, uint32_t allocation_length, uint8_t sense_len, uint32_t timeout) { struct scsi_read_buffer *scsi_cmd; scsi_cmd = (struct scsi_read_buffer *)&csio->cdb_io.cdb_bytes; memset(scsi_cmd, 0, sizeof(*scsi_cmd)); scsi_cmd->opcode = READ_BUFFER; scsi_cmd->byte2 = mode; scsi_cmd->buffer_id = buffer_id; scsi_ulto3b(offset, scsi_cmd->offset); scsi_ulto3b(allocation_length, scsi_cmd->length); cam_fill_csio(csio, retries, cbfcnp, /*flags*/CAM_DIR_IN, tag_action, data_ptr, allocation_length, sense_len, sizeof(*scsi_cmd), timeout); } void scsi_write_buffer(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), uint8_t tag_action, int mode, uint8_t buffer_id, u_int32_t offset, uint8_t *data_ptr, uint32_t param_list_length, uint8_t sense_len, uint32_t timeout) { struct scsi_write_buffer *scsi_cmd; scsi_cmd = (struct scsi_write_buffer *)&csio->cdb_io.cdb_bytes; memset(scsi_cmd, 0, sizeof(*scsi_cmd)); scsi_cmd->opcode = WRITE_BUFFER; scsi_cmd->byte2 = mode; scsi_cmd->buffer_id = buffer_id; scsi_ulto3b(offset, scsi_cmd->offset); scsi_ulto3b(param_list_length, scsi_cmd->length); cam_fill_csio(csio, retries, cbfcnp, /*flags*/param_list_length ? CAM_DIR_OUT : CAM_DIR_NONE, tag_action, data_ptr, param_list_length, sense_len, sizeof(*scsi_cmd), timeout); } void scsi_start_stop(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, int start, int load_eject, int immediate, u_int8_t sense_len, u_int32_t timeout) { struct scsi_start_stop_unit *scsi_cmd; int extra_flags = 0; scsi_cmd = (struct scsi_start_stop_unit *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = START_STOP_UNIT; if (start != 0) { scsi_cmd->how |= SSS_START; /* it takes a lot of power to start a drive */ extra_flags |= CAM_HIGH_POWER; } if (load_eject != 0) scsi_cmd->how |= SSS_LOEJ; if (immediate != 0) scsi_cmd->byte2 |= SSS_IMMED; cam_fill_csio(csio, retries, cbfcnp, /*flags*/CAM_DIR_NONE | extra_flags, tag_action, /*data_ptr*/NULL, /*dxfer_len*/0, sense_len, sizeof(*scsi_cmd), timeout); } /* * Try make as good a match as possible with * available sub drivers */ int scsi_inquiry_match(caddr_t inqbuffer, caddr_t table_entry) { struct scsi_inquiry_pattern *entry; struct scsi_inquiry_data *inq; entry = (struct scsi_inquiry_pattern *)table_entry; inq = (struct scsi_inquiry_data *)inqbuffer; if (((SID_TYPE(inq) == entry->type) || (entry->type == T_ANY)) && (SID_IS_REMOVABLE(inq) ? entry->media_type & SIP_MEDIA_REMOVABLE : entry->media_type & SIP_MEDIA_FIXED) && (cam_strmatch(inq->vendor, entry->vendor, sizeof(inq->vendor)) == 0) && (cam_strmatch(inq->product, entry->product, sizeof(inq->product)) == 0) && (cam_strmatch(inq->revision, entry->revision, sizeof(inq->revision)) == 0)) { return (0); } return (-1); } /* * Try make as good a match as possible with * available sub drivers */ int scsi_static_inquiry_match(caddr_t inqbuffer, caddr_t table_entry) { struct scsi_static_inquiry_pattern *entry; struct scsi_inquiry_data *inq; entry = (struct scsi_static_inquiry_pattern *)table_entry; inq = (struct scsi_inquiry_data *)inqbuffer; if (((SID_TYPE(inq) == entry->type) || (entry->type == T_ANY)) && (SID_IS_REMOVABLE(inq) ? entry->media_type & SIP_MEDIA_REMOVABLE : entry->media_type & SIP_MEDIA_FIXED) && (cam_strmatch(inq->vendor, entry->vendor, sizeof(inq->vendor)) == 0) && (cam_strmatch(inq->product, entry->product, sizeof(inq->product)) == 0) && (cam_strmatch(inq->revision, entry->revision, sizeof(inq->revision)) == 0)) { return (0); } return (-1); } /** * Compare two buffers of vpd device descriptors for a match. * * \param lhs Pointer to first buffer of descriptors to compare. * \param lhs_len The length of the first buffer. * \param rhs Pointer to second buffer of descriptors to compare. * \param rhs_len The length of the second buffer. * * \return 0 on a match, -1 otherwise. * * Treat rhs and lhs as arrays of vpd device id descriptors. Walk lhs matching * agains each element in rhs until all data are exhausted or we have found * a match. */ int scsi_devid_match(uint8_t *lhs, size_t lhs_len, uint8_t *rhs, size_t rhs_len) { struct scsi_vpd_id_descriptor *lhs_id; struct scsi_vpd_id_descriptor *lhs_last; struct scsi_vpd_id_descriptor *rhs_last; uint8_t *lhs_end; uint8_t *rhs_end; lhs_end = lhs + lhs_len; rhs_end = rhs + rhs_len; /* * rhs_last and lhs_last are the last posible position of a valid * descriptor assuming it had a zero length identifier. We use * these variables to insure we can safely dereference the length * field in our loop termination tests. */ lhs_last = (struct scsi_vpd_id_descriptor *) (lhs_end - __offsetof(struct scsi_vpd_id_descriptor, identifier)); rhs_last = (struct scsi_vpd_id_descriptor *) (rhs_end - __offsetof(struct scsi_vpd_id_descriptor, identifier)); lhs_id = (struct scsi_vpd_id_descriptor *)lhs; while (lhs_id <= lhs_last && (lhs_id->identifier + lhs_id->length) <= lhs_end) { struct scsi_vpd_id_descriptor *rhs_id; rhs_id = (struct scsi_vpd_id_descriptor *)rhs; while (rhs_id <= rhs_last && (rhs_id->identifier + rhs_id->length) <= rhs_end) { if (rhs_id->length == lhs_id->length && memcmp(rhs_id->identifier, lhs_id->identifier, rhs_id->length) == 0) return (0); rhs_id = (struct scsi_vpd_id_descriptor *) (rhs_id->identifier + rhs_id->length); } lhs_id = (struct scsi_vpd_id_descriptor *) (lhs_id->identifier + lhs_id->length); } return (-1); } #ifdef _KERNEL int scsi_vpd_supported_page(struct cam_periph *periph, uint8_t page_id) { struct cam_ed *device; struct scsi_vpd_supported_pages *vpds; int i, num_pages; device = periph->path->device; vpds = (struct scsi_vpd_supported_pages *)device->supported_vpds; if (vpds != NULL) { num_pages = device->supported_vpds_len - SVPD_SUPPORTED_PAGES_HDR_LEN; for (i = 0; i < num_pages; i++) { if (vpds->page_list[i] == page_id) return (1); } } return (0); } static void init_scsi_delay(void) { int delay; delay = SCSI_DELAY; TUNABLE_INT_FETCH("kern.cam.scsi_delay", &delay); if (set_scsi_delay(delay) != 0) { printf("cam: invalid value for tunable kern.cam.scsi_delay\n"); set_scsi_delay(SCSI_DELAY); } } SYSINIT(scsi_delay, SI_SUB_TUNABLES, SI_ORDER_ANY, init_scsi_delay, NULL); static int sysctl_scsi_delay(SYSCTL_HANDLER_ARGS) { int error, delay; delay = scsi_delay; error = sysctl_handle_int(oidp, &delay, 0, req); if (error != 0 || req->newptr == NULL) return (error); return (set_scsi_delay(delay)); } SYSCTL_PROC(_kern_cam, OID_AUTO, scsi_delay, CTLTYPE_INT|CTLFLAG_RW, 0, 0, sysctl_scsi_delay, "I", "Delay to allow devices to settle after a SCSI bus reset (ms)"); static int set_scsi_delay(int delay) { /* * If someone sets this to 0, we assume that they want the * minimum allowable bus settle delay. */ if (delay == 0) { printf("cam: using minimum scsi_delay (%dms)\n", SCSI_MIN_DELAY); delay = SCSI_MIN_DELAY; } if (delay < SCSI_MIN_DELAY) return (EINVAL); scsi_delay = delay; return (0); } #endif /* _KERNEL */ Index: stable/9/sys/cam/scsi/scsi_all.h =================================================================== --- stable/9/sys/cam/scsi/scsi_all.h (revision 257049) +++ stable/9/sys/cam/scsi/scsi_all.h (revision 257050) @@ -1,2686 +1,2687 @@ /*- * Largely written by Julian Elischer (julian@tfs.com) * for TRW Financial Systems. * * TRW Financial Systems, in accordance with their agreement with Carnegie * Mellon University, makes this software available to CMU to distribute * or use in any manner that they see fit as long as this message is kept with * the software. For this reason TFS also grants any other persons or * organisations permission to use or modify this software. * * TFS supplies this software to be publicly redistributed * on the understanding that TFS is not responsible for the correct * functioning of this software in any circumstances. * * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 * * $FreeBSD$ */ /* * SCSI general interface description */ #ifndef _SCSI_SCSI_ALL_H #define _SCSI_SCSI_ALL_H 1 #include #include #ifdef _KERNEL /* * This is the number of seconds we wait for devices to settle after a SCSI * bus reset. */ extern int scsi_delay; #endif /* _KERNEL */ /* * SCSI command format */ /* * Define dome bits that are in ALL (or a lot of) scsi commands */ #define SCSI_CTL_LINK 0x01 #define SCSI_CTL_FLAG 0x02 #define SCSI_CTL_VENDOR 0xC0 #define SCSI_CMD_LUN 0xA0 /* these two should not be needed */ #define SCSI_CMD_LUN_SHIFT 5 /* LUN in the cmd is no longer SCSI */ #define SCSI_MAX_CDBLEN 16 /* * 16 byte commands are in the * SCSI-3 spec */ #if defined(CAM_MAX_CDBLEN) && (CAM_MAX_CDBLEN < SCSI_MAX_CDBLEN) #error "CAM_MAX_CDBLEN cannot be less than SCSI_MAX_CDBLEN" #endif /* 6byte CDBs special case 0 length to be 256 */ #define SCSI_CDB6_LEN(len) ((len) == 0 ? 256 : len) /* * This type defines actions to be taken when a particular sense code is * received. Right now, these flags are only defined to take up 16 bits, * but can be expanded in the future if necessary. */ typedef enum { SS_NOP = 0x000000, /* Do nothing */ SS_RETRY = 0x010000, /* Retry the command */ SS_FAIL = 0x020000, /* Bail out */ SS_START = 0x030000, /* Send a Start Unit command to the device, * then retry the original command. */ SS_TUR = 0x040000, /* Send a Test Unit Ready command to the * device, then retry the original command. */ SS_MASK = 0xff0000 } scsi_sense_action; typedef enum { SSQ_NONE = 0x0000, SSQ_DECREMENT_COUNT = 0x0100, /* Decrement the retry count */ SSQ_MANY = 0x0200, /* send lots of recovery commands */ SSQ_RANGE = 0x0400, /* * This table entry represents the * end of a range of ASCQs that * have identical error actions * and text. */ SSQ_PRINT_SENSE = 0x0800, SSQ_UA = 0x1000, /* Broadcast UA. */ SSQ_RESCAN = 0x2000, /* Rescan target for LUNs. */ SSQ_LOST = 0x4000, /* Destroy the LUNs. */ SSQ_MASK = 0xff00 } scsi_sense_action_qualifier; /* Mask for error status values */ #define SS_ERRMASK 0xff /* The default, retyable, error action */ #define SS_RDEF SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE|EIO /* The retyable, error action, with table specified error code */ #define SS_RET SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE /* Fatal error action, with table specified error code */ #define SS_FATAL SS_FAIL|SSQ_PRINT_SENSE struct scsi_generic { u_int8_t opcode; u_int8_t bytes[11]; }; struct scsi_request_sense { u_int8_t opcode; u_int8_t byte2; #define SRS_DESC 0x01 u_int8_t unused[2]; u_int8_t length; u_int8_t control; }; struct scsi_test_unit_ready { u_int8_t opcode; u_int8_t byte2; u_int8_t unused[3]; u_int8_t control; }; struct scsi_receive_diag { uint8_t opcode; uint8_t byte2; #define SRD_PCV 0x01 uint8_t page_code; uint8_t length[2]; uint8_t control; }; struct scsi_send_diag { uint8_t opcode; uint8_t byte2; #define SSD_UNITOFFL 0x01 #define SSD_DEVOFFL 0x02 #define SSD_SELFTEST 0x04 #define SSD_PF 0x10 #define SSD_SELF_TEST_CODE_MASK 0xE0 #define SSD_SELF_TEST_CODE_SHIFT 5 #define SSD_SELF_TEST_CODE_NONE 0x00 #define SSD_SELF_TEST_CODE_BG_SHORT 0x01 #define SSD_SELF_TEST_CODE_BG_EXTENDED 0x02 #define SSD_SELF_TEST_CODE_BG_ABORT 0x04 #define SSD_SELF_TEST_CODE_FG_SHORT 0x05 #define SSD_SELF_TEST_CODE_FG_EXTENDED 0x06 uint8_t reserved; uint8_t length[2]; uint8_t control; }; struct scsi_sense { u_int8_t opcode; u_int8_t byte2; u_int8_t unused[2]; u_int8_t length; u_int8_t control; }; struct scsi_inquiry { u_int8_t opcode; u_int8_t byte2; #define SI_EVPD 0x01 #define SI_CMDDT 0x02 u_int8_t page_code; u_int8_t length[2]; u_int8_t control; }; struct scsi_mode_sense_6 { u_int8_t opcode; u_int8_t byte2; #define SMS_DBD 0x08 u_int8_t page; #define SMS_PAGE_CODE 0x3F #define SMS_VENDOR_SPECIFIC_PAGE 0x00 #define SMS_DISCONNECT_RECONNECT_PAGE 0x02 #define SMS_FORMAT_DEVICE_PAGE 0x03 #define SMS_GEOMETRY_PAGE 0x04 #define SMS_CACHE_PAGE 0x08 #define SMS_PERIPHERAL_DEVICE_PAGE 0x09 #define SMS_CONTROL_MODE_PAGE 0x0A #define SMS_PROTO_SPECIFIC_PAGE 0x19 #define SMS_INFO_EXCEPTIONS_PAGE 0x1C #define SMS_ALL_PAGES_PAGE 0x3F #define SMS_PAGE_CTRL_MASK 0xC0 #define SMS_PAGE_CTRL_CURRENT 0x00 #define SMS_PAGE_CTRL_CHANGEABLE 0x40 #define SMS_PAGE_CTRL_DEFAULT 0x80 #define SMS_PAGE_CTRL_SAVED 0xC0 u_int8_t subpage; #define SMS_SUBPAGE_PAGE_0 0x00 #define SMS_SUBPAGE_ALL 0xff u_int8_t length; u_int8_t control; }; struct scsi_mode_sense_10 { u_int8_t opcode; u_int8_t byte2; /* same bits as small version */ #define SMS10_LLBAA 0x10 u_int8_t page; /* same bits as small version */ u_int8_t subpage; u_int8_t unused[3]; u_int8_t length[2]; u_int8_t control; }; struct scsi_mode_select_6 { u_int8_t opcode; u_int8_t byte2; #define SMS_SP 0x01 #define SMS_PF 0x10 u_int8_t unused[2]; u_int8_t length; u_int8_t control; }; struct scsi_mode_select_10 { u_int8_t opcode; u_int8_t byte2; /* same bits as small version */ u_int8_t unused[5]; u_int8_t length[2]; u_int8_t control; }; /* * When sending a mode select to a tape drive, the medium type must be 0. */ struct scsi_mode_hdr_6 { u_int8_t datalen; u_int8_t medium_type; u_int8_t dev_specific; u_int8_t block_descr_len; }; struct scsi_mode_hdr_10 { u_int8_t datalen[2]; u_int8_t medium_type; u_int8_t dev_specific; u_int8_t reserved[2]; u_int8_t block_descr_len[2]; }; struct scsi_mode_block_descr { u_int8_t density_code; u_int8_t num_blocks[3]; u_int8_t reserved; u_int8_t block_len[3]; }; struct scsi_per_res_in { u_int8_t opcode; u_int8_t action; #define SPRI_RK 0x00 #define SPRI_RR 0x01 #define SPRI_RC 0x02 #define SPRI_RS 0x03 u_int8_t reserved[5]; u_int8_t length[2]; u_int8_t control; }; struct scsi_per_res_in_header { u_int8_t generation[4]; u_int8_t length[4]; }; struct scsi_per_res_key { u_int8_t key[8]; }; struct scsi_per_res_in_keys { struct scsi_per_res_in_header header; struct scsi_per_res_key keys[0]; }; struct scsi_per_res_cap { uint8_t length[2]; uint8_t flags1; #define SPRI_CRH 0x10 #define SPRI_SIP_C 0x08 #define SPRI_ATP_C 0x04 #define SPRI_PTPL_C 0x01 uint8_t flags2; #define SPRI_TMV 0x80 #define SPRI_PTPL_A 0x01 uint8_t type_mask[2]; #define SPRI_TM_WR_EX_AR 0x8000 #define SPRI_TM_EX_AC_RO 0x4000 #define SPRI_TM_WR_EX_RO 0x2000 #define SPRI_TM_EX_AC 0x0800 #define SPRI_TM_WR_EX 0x0200 #define SPRI_TM_EX_AC_AR 0x0001 uint8_t reserved[2]; }; struct scsi_per_res_in_rsrv_data { uint8_t reservation[8]; uint8_t obsolete1[4]; uint8_t reserved; uint8_t scopetype; #define SPRT_WE 0x01 #define SPRT_EA 0x03 #define SPRT_WERO 0x05 #define SPRT_EARO 0x06 #define SPRT_WEAR 0x07 #define SPRT_EAAR 0x08 uint8_t obsolete2[2]; }; struct scsi_per_res_in_rsrv { struct scsi_per_res_in_header header; struct scsi_per_res_in_rsrv_data data; }; struct scsi_per_res_out { u_int8_t opcode; u_int8_t action; #define SPRO_REGISTER 0x00 #define SPRO_RESERVE 0x01 #define SPRO_RELEASE 0x02 #define SPRO_CLEAR 0x03 #define SPRO_PREEMPT 0x04 #define SPRO_PRE_ABO 0x05 #define SPRO_REG_IGNO 0x06 #define SPRO_REG_MOVE 0x07 #define SPRO_ACTION_MASK 0x1f u_int8_t scope_type; #define SPR_SCOPE_MASK 0xf0 #define SPR_LU_SCOPE 0x00 #define SPR_TYPE_MASK 0x0f #define SPR_TYPE_WR_EX 0x01 #define SPR_TYPE_EX_AC 0x03 #define SPR_TYPE_WR_EX_RO 0x05 #define SPR_TYPE_EX_AC_RO 0x06 #define SPR_TYPE_WR_EX_AR 0x07 #define SPR_TYPE_EX_AC_AR 0x08 u_int8_t reserved[2]; u_int8_t length[4]; u_int8_t control; }; struct scsi_per_res_out_parms { struct scsi_per_res_key res_key; u_int8_t serv_act_res_key[8]; u_int8_t obsolete1[4]; u_int8_t flags; #define SPR_SPEC_I_PT 0x08 #define SPR_ALL_TG_PT 0x04 #define SPR_APTPL 0x01 u_int8_t reserved1; u_int8_t obsolete2[2]; }; struct scsi_log_sense { u_int8_t opcode; u_int8_t byte2; #define SLS_SP 0x01 #define SLS_PPC 0x02 u_int8_t page; #define SLS_PAGE_CODE 0x3F #define SLS_ALL_PAGES_PAGE 0x00 #define SLS_OVERRUN_PAGE 0x01 #define SLS_ERROR_WRITE_PAGE 0x02 #define SLS_ERROR_READ_PAGE 0x03 #define SLS_ERROR_READREVERSE_PAGE 0x04 #define SLS_ERROR_VERIFY_PAGE 0x05 #define SLS_ERROR_NONMEDIUM_PAGE 0x06 #define SLS_ERROR_LASTN_PAGE 0x07 #define SLS_SELF_TEST_PAGE 0x10 #define SLS_IE_PAGE 0x2f #define SLS_PAGE_CTRL_MASK 0xC0 #define SLS_PAGE_CTRL_THRESHOLD 0x00 #define SLS_PAGE_CTRL_CUMULATIVE 0x40 #define SLS_PAGE_CTRL_THRESH_DEFAULT 0x80 #define SLS_PAGE_CTRL_CUMUL_DEFAULT 0xC0 u_int8_t reserved[2]; u_int8_t paramptr[2]; u_int8_t length[2]; u_int8_t control; }; struct scsi_log_select { u_int8_t opcode; u_int8_t byte2; /* SLS_SP 0x01 */ #define SLS_PCR 0x02 u_int8_t page; /* SLS_PAGE_CTRL_MASK 0xC0 */ /* SLS_PAGE_CTRL_THRESHOLD 0x00 */ /* SLS_PAGE_CTRL_CUMULATIVE 0x40 */ /* SLS_PAGE_CTRL_THRESH_DEFAULT 0x80 */ /* SLS_PAGE_CTRL_CUMUL_DEFAULT 0xC0 */ u_int8_t reserved[4]; u_int8_t length[2]; u_int8_t control; }; struct scsi_log_header { u_int8_t page; u_int8_t reserved; u_int8_t datalen[2]; }; struct scsi_log_param_header { u_int8_t param_code[2]; u_int8_t param_control; #define SLP_LP 0x01 #define SLP_LBIN 0x02 #define SLP_TMC_MASK 0x0C #define SLP_TMC_ALWAYS 0x00 #define SLP_TMC_EQUAL 0x04 #define SLP_TMC_NOTEQUAL 0x08 #define SLP_TMC_GREATER 0x0C #define SLP_ETC 0x10 #define SLP_TSD 0x20 #define SLP_DS 0x40 #define SLP_DU 0x80 u_int8_t param_len; }; struct scsi_control_page { u_int8_t page_code; u_int8_t page_length; u_int8_t rlec; #define SCP_RLEC 0x01 /*Report Log Exception Cond*/ #define SCP_GLTSD 0x02 /*Global Logging target save disable */ #define SCP_DSENSE 0x04 /*Descriptor Sense */ #define SCP_DPICZ 0x08 /*Disable Prot. Info Check if Prot. Field is Zero */ #define SCP_TMF_ONLY 0x10 /*TM Functions Only*/ #define SCP_TST_MASK 0xE0 /*Task Set Type Mask*/ #define SCP_TST_ONE 0x00 /*One Task Set*/ #define SCP_TST_SEPARATE 0x20 /*Separate Task Sets*/ u_int8_t queue_flags; #define SCP_QUEUE_ALG_MASK 0xF0 #define SCP_QUEUE_ALG_RESTRICTED 0x00 #define SCP_QUEUE_ALG_UNRESTRICTED 0x10 #define SCP_QUEUE_ERR 0x02 /*Queued I/O aborted for CACs*/ #define SCP_QUEUE_DQUE 0x01 /*Queued I/O disabled*/ u_int8_t eca_and_aen; #define SCP_EECA 0x80 /*Enable Extended CA*/ #define SCP_RAENP 0x04 /*Ready AEN Permission*/ #define SCP_UAAENP 0x02 /*UA AEN Permission*/ #define SCP_EAENP 0x01 /*Error AEN Permission*/ u_int8_t reserved; u_int8_t aen_holdoff_period[2]; }; struct scsi_cache_page { u_int8_t page_code; #define SCHP_PAGE_SAVABLE 0x80 /* Page is savable */ u_int8_t page_length; u_int8_t cache_flags; #define SCHP_FLAGS_WCE 0x04 /* Write Cache Enable */ #define SCHP_FLAGS_MF 0x02 /* Multiplication factor */ #define SCHP_FLAGS_RCD 0x01 /* Read Cache Disable */ u_int8_t rw_cache_policy; u_int8_t dis_prefetch[2]; u_int8_t min_prefetch[2]; u_int8_t max_prefetch[2]; u_int8_t max_prefetch_ceil[2]; }; /* * XXX KDM * Updated version of the cache page, as of SBC. Update this to SBC-3 and * rationalize the two. */ struct scsi_caching_page { uint8_t page_code; #define SMS_CACHING_PAGE 0x08 uint8_t page_length; uint8_t flags1; #define SCP_IC 0x80 #define SCP_ABPF 0x40 #define SCP_CAP 0x20 #define SCP_DISC 0x10 #define SCP_SIZE 0x08 #define SCP_WCE 0x04 #define SCP_MF 0x02 #define SCP_RCD 0x01 uint8_t ret_priority; uint8_t disable_pf_transfer_len[2]; uint8_t min_prefetch[2]; uint8_t max_prefetch[2]; uint8_t max_pf_ceiling[2]; uint8_t flags2; #define SCP_FSW 0x80 #define SCP_LBCSS 0x40 #define SCP_DRA 0x20 #define SCP_VS1 0x10 #define SCP_VS2 0x08 uint8_t cache_segments; uint8_t cache_seg_size[2]; uint8_t reserved; uint8_t non_cache_seg_size[3]; }; /* * XXX KDM move this off to a vendor shim. */ struct copan_power_subpage { uint8_t page_code; #define PWR_PAGE_CODE 0x00 uint8_t subpage; #define PWR_SUBPAGE_CODE 0x02 uint8_t page_length[2]; uint8_t page_version; #define PWR_VERSION 0x01 uint8_t total_luns; uint8_t max_active_luns; #define PWR_DFLT_MAX_LUNS 0x07 uint8_t reserved[25]; }; /* * XXX KDM move this off to a vendor shim. */ struct copan_aps_subpage { uint8_t page_code; #define APS_PAGE_CODE 0x00 uint8_t subpage; #define APS_SUBPAGE_CODE 0x03 uint8_t page_length[2]; uint8_t page_version; #define APS_VERSION 0x00 uint8_t lock_active; #define APS_LOCK_ACTIVE 0x01 #define APS_LOCK_INACTIVE 0x00 uint8_t reserved[26]; }; /* * XXX KDM move this off to a vendor shim. */ struct copan_debugconf_subpage { uint8_t page_code; #define DBGCNF_PAGE_CODE 0x00 uint8_t subpage; #define DBGCNF_SUBPAGE_CODE 0xF0 uint8_t page_length[2]; uint8_t page_version; #define DBGCNF_VERSION 0x00 uint8_t ctl_time_io_secs[2]; }; struct scsi_info_exceptions_page { u_int8_t page_code; #define SIEP_PAGE_SAVABLE 0x80 /* Page is savable */ u_int8_t page_length; u_int8_t info_flags; #define SIEP_FLAGS_PERF 0x80 #define SIEP_FLAGS_EBF 0x20 #define SIEP_FLAGS_EWASC 0x10 #define SIEP_FLAGS_DEXCPT 0x08 #define SIEP_FLAGS_TEST 0x04 #define SIEP_FLAGS_EBACKERR 0x02 #define SIEP_FLAGS_LOGERR 0x01 u_int8_t mrie; u_int8_t interval_timer[4]; u_int8_t report_count[4]; }; struct scsi_proto_specific_page { u_int8_t page_code; #define SPSP_PAGE_SAVABLE 0x80 /* Page is savable */ u_int8_t page_length; u_int8_t protocol; #define SPSP_PROTO_FC 0x00 #define SPSP_PROTO_SPI 0x01 #define SPSP_PROTO_SSA 0x02 #define SPSP_PROTO_1394 0x03 #define SPSP_PROTO_RDMA 0x04 #define SPSP_PROTO_ISCSI 0x05 #define SPSP_PROTO_SAS 0x06 #define SPSP_PROTO_ADT 0x07 #define SPSP_PROTO_ATA 0x08 #define SPSP_PROTO_NONE 0x0f }; struct scsi_reserve { u_int8_t opcode; u_int8_t byte2; #define SR_EXTENT 0x01 #define SR_ID_MASK 0x0e #define SR_3RDPTY 0x10 #define SR_LUN_MASK 0xe0 u_int8_t resv_id; u_int8_t length[2]; u_int8_t control; }; struct scsi_reserve_10 { uint8_t opcode; uint8_t byte2; #define SR10_3RDPTY 0x10 #define SR10_LONGID 0x02 #define SR10_EXTENT 0x01 uint8_t resv_id; uint8_t thirdparty_id; uint8_t reserved[3]; uint8_t length[2]; uint8_t control; }; struct scsi_release { u_int8_t opcode; u_int8_t byte2; u_int8_t resv_id; u_int8_t unused[1]; u_int8_t length; u_int8_t control; }; struct scsi_release_10 { uint8_t opcode; uint8_t byte2; uint8_t resv_id; uint8_t thirdparty_id; uint8_t reserved[3]; uint8_t length[2]; uint8_t control; }; struct scsi_prevent { u_int8_t opcode; u_int8_t byte2; u_int8_t unused[2]; u_int8_t how; u_int8_t control; }; #define PR_PREVENT 0x01 #define PR_ALLOW 0x00 struct scsi_sync_cache { u_int8_t opcode; u_int8_t byte2; #define SSC_IMMED 0x02 #define SSC_RELADR 0x01 u_int8_t begin_lba[4]; u_int8_t reserved; u_int8_t lb_count[2]; u_int8_t control; }; struct scsi_sync_cache_16 { uint8_t opcode; uint8_t byte2; uint8_t begin_lba[8]; uint8_t lb_count[4]; uint8_t reserved; uint8_t control; }; struct scsi_format { uint8_t opcode; uint8_t byte2; #define SF_LONGLIST 0x20 #define SF_FMTDATA 0x10 #define SF_CMPLIST 0x08 #define SF_FORMAT_MASK 0x07 #define SF_FORMAT_BLOCK 0x00 #define SF_FORMAT_LONG_BLOCK 0x03 #define SF_FORMAT_BFI 0x04 #define SF_FORMAT_PHYS 0x05 uint8_t vendor; uint8_t interleave[2]; uint8_t control; }; struct scsi_format_header_short { uint8_t reserved; #define SF_DATA_FOV 0x80 #define SF_DATA_DPRY 0x40 #define SF_DATA_DCRT 0x20 #define SF_DATA_STPF 0x10 #define SF_DATA_IP 0x08 #define SF_DATA_DSP 0x04 #define SF_DATA_IMMED 0x02 #define SF_DATA_VS 0x01 uint8_t byte2; uint8_t defect_list_len[2]; }; struct scsi_format_header_long { uint8_t reserved; uint8_t byte2; uint8_t reserved2[2]; uint8_t defect_list_len[4]; }; struct scsi_changedef { u_int8_t opcode; u_int8_t byte2; u_int8_t unused1; u_int8_t how; u_int8_t unused[4]; u_int8_t datalen; u_int8_t control; }; struct scsi_read_buffer { u_int8_t opcode; u_int8_t byte2; #define RWB_MODE 0x07 #define RWB_MODE_HDR_DATA 0x00 #define RWB_MODE_VENDOR 0x01 #define RWB_MODE_DATA 0x02 #define RWB_MODE_DOWNLOAD 0x04 #define RWB_MODE_DOWNLOAD_SAVE 0x05 u_int8_t buffer_id; u_int8_t offset[3]; u_int8_t length[3]; u_int8_t control; }; struct scsi_write_buffer { u_int8_t opcode; u_int8_t byte2; u_int8_t buffer_id; u_int8_t offset[3]; u_int8_t length[3]; u_int8_t control; }; struct scsi_rw_6 { u_int8_t opcode; u_int8_t addr[3]; /* only 5 bits are valid in the MSB address byte */ #define SRW_TOPADDR 0x1F u_int8_t length; u_int8_t control; }; struct scsi_rw_10 { u_int8_t opcode; #define SRW10_RELADDR 0x01 /* EBP defined for WRITE(10) only */ #define SRW10_EBP 0x04 #define SRW10_FUA 0x08 #define SRW10_DPO 0x10 u_int8_t byte2; u_int8_t addr[4]; u_int8_t reserved; u_int8_t length[2]; u_int8_t control; }; struct scsi_rw_12 { u_int8_t opcode; #define SRW12_RELADDR 0x01 #define SRW12_FUA 0x08 #define SRW12_DPO 0x10 u_int8_t byte2; u_int8_t addr[4]; u_int8_t length[4]; u_int8_t reserved; u_int8_t control; }; struct scsi_rw_16 { u_int8_t opcode; #define SRW16_RELADDR 0x01 #define SRW16_FUA 0x08 #define SRW16_DPO 0x10 u_int8_t byte2; u_int8_t addr[8]; u_int8_t length[4]; u_int8_t reserved; u_int8_t control; }; struct scsi_write_same_10 { uint8_t opcode; uint8_t byte2; #define SWS_LBDATA 0x02 #define SWS_PBDATA 0x04 #define SWS_UNMAP 0x08 #define SWS_ANCHOR 0x10 uint8_t addr[4]; uint8_t group; uint8_t length[2]; uint8_t control; }; struct scsi_write_same_16 { uint8_t opcode; uint8_t byte2; uint8_t addr[8]; uint8_t length[4]; uint8_t group; uint8_t control; }; struct scsi_unmap { uint8_t opcode; uint8_t byte2; #define SU_ANCHOR 0x01 uint8_t reserved[4]; uint8_t group; uint8_t length[2]; uint8_t control; }; struct scsi_write_verify_10 { uint8_t opcode; uint8_t byte2; #define SWV_BYTCHK 0x02 #define SWV_DPO 0x10 #define SWV_WRPROECT_MASK 0xe0 uint8_t addr[4]; uint8_t group; uint8_t length[2]; uint8_t control; }; struct scsi_write_verify_12 { uint8_t opcode; uint8_t byte2; uint8_t addr[4]; uint8_t length[4]; uint8_t group; uint8_t control; }; struct scsi_write_verify_16 { uint8_t opcode; uint8_t byte2; uint8_t addr[8]; uint8_t length[4]; uint8_t group; uint8_t control; }; struct scsi_start_stop_unit { u_int8_t opcode; u_int8_t byte2; #define SSS_IMMED 0x01 u_int8_t reserved[2]; u_int8_t how; #define SSS_START 0x01 #define SSS_LOEJ 0x02 #define SSS_PC_MASK 0xf0 #define SSS_PC_START_VALID 0x00 #define SSS_PC_ACTIVE 0x10 #define SSS_PC_IDLE 0x20 #define SSS_PC_STANDBY 0x30 #define SSS_PC_LU_CONTROL 0x70 #define SSS_PC_FORCE_IDLE_0 0xa0 #define SSS_PC_FORCE_STANDBY_0 0xb0 u_int8_t control; }; struct ata_pass_12 { u_int8_t opcode; u_int8_t protocol; #define AP_PROTO_HARD_RESET (0x00 << 1) #define AP_PROTO_SRST (0x01 << 1) #define AP_PROTO_NON_DATA (0x03 << 1) #define AP_PROTO_PIO_IN (0x04 << 1) #define AP_PROTO_PIO_OUT (0x05 << 1) #define AP_PROTO_DMA (0x06 << 1) #define AP_PROTO_DMA_QUEUED (0x07 << 1) #define AP_PROTO_DEVICE_DIAG (0x08 << 1) #define AP_PROTO_DEVICE_RESET (0x09 << 1) #define AP_PROTO_UDMA_IN (0x0a << 1) #define AP_PROTO_UDMA_OUT (0x0b << 1) #define AP_PROTO_FPDMA (0x0c << 1) #define AP_PROTO_RESP_INFO (0x0f << 1) #define AP_MULTI 0xe0 u_int8_t flags; #define AP_T_LEN 0x03 #define AP_BB 0x04 #define AP_T_DIR 0x08 #define AP_CK_COND 0x20 #define AP_OFFLINE 0x60 u_int8_t features; u_int8_t sector_count; u_int8_t lba_low; u_int8_t lba_mid; u_int8_t lba_high; u_int8_t device; u_int8_t command; u_int8_t reserved; u_int8_t control; }; struct scsi_maintenance_in { uint8_t opcode; uint8_t byte2; #define SERVICE_ACTION_MASK 0x1f #define SA_RPRT_TRGT_GRP 0x0a uint8_t reserved[4]; uint8_t length[4]; uint8_t reserved1; uint8_t control; }; struct ata_pass_16 { u_int8_t opcode; u_int8_t protocol; #define AP_EXTEND 0x01 u_int8_t flags; #define AP_FLAG_TLEN_NO_DATA (0 << 0) #define AP_FLAG_TLEN_FEAT (1 << 0) #define AP_FLAG_TLEN_SECT_CNT (2 << 0) #define AP_FLAG_TLEN_STPSIU (3 << 0) #define AP_FLAG_BYT_BLOK_BYTES (0 << 2) #define AP_FLAG_BYT_BLOK_BLOCKS (1 << 2) #define AP_FLAG_TDIR_TO_DEV (0 << 3) #define AP_FLAG_TDIR_FROM_DEV (1 << 3) #define AP_FLAG_CHK_COND (1 << 5) u_int8_t features_ext; u_int8_t features; u_int8_t sector_count_ext; u_int8_t sector_count; u_int8_t lba_low_ext; u_int8_t lba_low; u_int8_t lba_mid_ext; u_int8_t lba_mid; u_int8_t lba_high_ext; u_int8_t lba_high; u_int8_t device; u_int8_t command; u_int8_t control; }; #define SC_SCSI_1 0x01 #define SC_SCSI_2 0x03 /* * Opcodes */ #define TEST_UNIT_READY 0x00 #define REQUEST_SENSE 0x03 #define READ_6 0x08 #define WRITE_6 0x0A #define INQUIRY 0x12 #define MODE_SELECT_6 0x15 #define MODE_SENSE_6 0x1A #define START_STOP_UNIT 0x1B #define START_STOP 0x1B #define RESERVE 0x16 #define RELEASE 0x17 #define RECEIVE_DIAGNOSTIC 0x1C #define SEND_DIAGNOSTIC 0x1D #define PREVENT_ALLOW 0x1E #define READ_CAPACITY 0x25 #define READ_10 0x28 #define WRITE_10 0x2A #define POSITION_TO_ELEMENT 0x2B #define WRITE_VERIFY_10 0x2E #define VERIFY_10 0x2F #define SYNCHRONIZE_CACHE 0x35 #define READ_DEFECT_DATA_10 0x37 #define WRITE_BUFFER 0x3B #define READ_BUFFER 0x3C #define CHANGE_DEFINITION 0x40 #define WRITE_SAME_10 0x41 #define UNMAP 0x42 #define LOG_SELECT 0x4C #define LOG_SENSE 0x4D #define MODE_SELECT_10 0x55 #define RESERVE_10 0x56 #define RELEASE_10 0x57 #define MODE_SENSE_10 0x5A #define PERSISTENT_RES_IN 0x5E #define PERSISTENT_RES_OUT 0x5F #define ATA_PASS_16 0x85 #define READ_16 0x88 #define WRITE_16 0x8A #define WRITE_VERIFY_16 0x8E #define SYNCHRONIZE_CACHE_16 0x91 #define WRITE_SAME_16 0x93 #define SERVICE_ACTION_IN 0x9E #define REPORT_LUNS 0xA0 #define ATA_PASS_12 0xA1 #define MAINTENANCE_IN 0xA3 #define MAINTENANCE_OUT 0xA4 #define MOVE_MEDIUM 0xA5 #define READ_12 0xA8 #define WRITE_12 0xAA #define WRITE_VERIFY_12 0xAE #define READ_ELEMENT_STATUS 0xB8 #define READ_CD 0xBE /* Maintenance In Service Action Codes */ #define REPORT_IDENTIFYING_INFRMATION 0x05 #define REPORT_TARGET_PORT_GROUPS 0x0A #define REPORT_ALIASES 0x0B #define REPORT_SUPPORTED_OPERATION_CODES 0x0C #define REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS 0x0D #define REPORT_PRIORITY 0x0E #define REPORT_TIMESTAMP 0x0F #define MANAGEMENT_PROTOCOL_IN 0x10 /* Maintenance Out Service Action Codes */ #define SET_IDENTIFY_INFORMATION 0x06 #define SET_TARGET_PORT_GROUPS 0x0A #define CHANGE_ALIASES 0x0B #define SET_PRIORITY 0x0E #define SET_TIMESTAMP 0x0F #define MANGAEMENT_PROTOCOL_OUT 0x10 /* * Device Types */ #define T_DIRECT 0x00 #define T_SEQUENTIAL 0x01 #define T_PRINTER 0x02 #define T_PROCESSOR 0x03 #define T_WORM 0x04 #define T_CDROM 0x05 #define T_SCANNER 0x06 #define T_OPTICAL 0x07 #define T_CHANGER 0x08 #define T_COMM 0x09 #define T_ASC0 0x0a #define T_ASC1 0x0b #define T_STORARRAY 0x0c #define T_ENCLOSURE 0x0d #define T_RBC 0x0e #define T_OCRW 0x0f #define T_OSD 0x11 #define T_ADC 0x12 #define T_NODEVICE 0x1f #define T_ANY 0xff /* Used in Quirk table matches */ #define T_REMOV 1 #define T_FIXED 0 /* * This length is the initial inquiry length used by the probe code, as * well as the length necessary for scsi_print_inquiry() to function * correctly. If either use requires a different length in the future, * the two values should be de-coupled. */ #define SHORT_INQUIRY_LENGTH 36 struct scsi_inquiry_data { u_int8_t device; #define SID_TYPE(inq_data) ((inq_data)->device & 0x1f) #define SID_QUAL(inq_data) (((inq_data)->device & 0xE0) >> 5) #define SID_QUAL_LU_CONNECTED 0x00 /* * The specified peripheral device * type is currently connected to * logical unit. If the target cannot * determine whether or not a physical * device is currently connected, it * shall also use this peripheral * qualifier when returning the INQUIRY * data. This peripheral qualifier * does not mean that the device is * ready for access by the initiator. */ #define SID_QUAL_LU_OFFLINE 0x01 /* * The target is capable of supporting * the specified peripheral device type * on this logical unit; however, the * physical device is not currently * connected to this logical unit. */ #define SID_QUAL_RSVD 0x02 #define SID_QUAL_BAD_LU 0x03 /* * The target is not capable of * supporting a physical device on * this logical unit. For this * peripheral qualifier the peripheral * device type shall be set to 1Fh to * provide compatibility with previous * versions of SCSI. All other * peripheral device type values are * reserved for this peripheral * qualifier. */ #define SID_QUAL_IS_VENDOR_UNIQUE(inq_data) ((SID_QUAL(inq_data) & 0x08) != 0) u_int8_t dev_qual2; #define SID_QUAL2 0x7F #define SID_IS_REMOVABLE(inq_data) (((inq_data)->dev_qual2 & 0x80) != 0) u_int8_t version; #define SID_ANSI_REV(inq_data) ((inq_data)->version & 0x07) #define SCSI_REV_0 0 #define SCSI_REV_CCS 1 #define SCSI_REV_2 2 #define SCSI_REV_SPC 3 #define SCSI_REV_SPC2 4 #define SCSI_REV_SPC3 5 #define SCSI_REV_SPC4 6 #define SID_ECMA 0x38 #define SID_ISO 0xC0 u_int8_t response_format; #define SID_AENC 0x80 #define SID_TrmIOP 0x40 #define SID_NormACA 0x20 #define SID_HiSup 0x10 u_int8_t additional_length; #define SID_ADDITIONAL_LENGTH(iqd) \ ((iqd)->additional_length + \ __offsetof(struct scsi_inquiry_data, additional_length) + 1) u_int8_t spc3_flags; #define SPC3_SID_PROTECT 0x01 #define SPC3_SID_3PC 0x08 #define SPC3_SID_TPGS_MASK 0x30 #define SPC3_SID_TPGS_IMPLICIT 0x10 #define SPC3_SID_TPGS_EXPLICIT 0x20 #define SPC3_SID_ACC 0x40 #define SPC3_SID_SCCS 0x80 u_int8_t spc2_flags; #define SPC2_SID_ADDR16 0x01 #define SPC2_SID_MChngr 0x08 #define SPC2_SID_MultiP 0x10 #define SPC2_SID_EncServ 0x40 #define SPC2_SID_BQueue 0x80 #define INQ_DATA_TQ_ENABLED(iqd) \ ((SID_ANSI_REV(iqd) < SCSI_REV_SPC2)? ((iqd)->flags & SID_CmdQue) : \ (((iqd)->flags & SID_CmdQue) && !((iqd)->spc2_flags & SPC2_SID_BQueue)) || \ (!((iqd)->flags & SID_CmdQue) && ((iqd)->spc2_flags & SPC2_SID_BQueue))) u_int8_t flags; #define SID_SftRe 0x01 #define SID_CmdQue 0x02 #define SID_Linked 0x08 #define SID_Sync 0x10 #define SID_WBus16 0x20 #define SID_WBus32 0x40 #define SID_RelAdr 0x80 #define SID_VENDOR_SIZE 8 char vendor[SID_VENDOR_SIZE]; #define SID_PRODUCT_SIZE 16 char product[SID_PRODUCT_SIZE]; #define SID_REVISION_SIZE 4 char revision[SID_REVISION_SIZE]; /* * The following fields were taken from SCSI Primary Commands - 2 * (SPC-2) Revision 14, Dated 11 November 1999 */ #define SID_VENDOR_SPECIFIC_0_SIZE 20 u_int8_t vendor_specific0[SID_VENDOR_SPECIFIC_0_SIZE]; /* * An extension of SCSI Parallel Specific Values */ #define SID_SPI_IUS 0x01 #define SID_SPI_QAS 0x02 #define SID_SPI_CLOCK_ST 0x00 #define SID_SPI_CLOCK_DT 0x04 #define SID_SPI_CLOCK_DT_ST 0x0C #define SID_SPI_MASK 0x0F u_int8_t spi3data; u_int8_t reserved2; /* * Version Descriptors, stored 2 byte values. */ u_int8_t version1[2]; u_int8_t version2[2]; u_int8_t version3[2]; u_int8_t version4[2]; u_int8_t version5[2]; u_int8_t version6[2]; u_int8_t version7[2]; u_int8_t version8[2]; u_int8_t reserved3[22]; #define SID_VENDOR_SPECIFIC_1_SIZE 160 u_int8_t vendor_specific1[SID_VENDOR_SPECIFIC_1_SIZE]; }; /* * This structure is more suited to initiator operation, because the * maximum number of supported pages is already allocated. */ struct scsi_vpd_supported_page_list { u_int8_t device; u_int8_t page_code; #define SVPD_SUPPORTED_PAGE_LIST 0x00 #define SVPD_SUPPORTED_PAGES_HDR_LEN 4 u_int8_t reserved; u_int8_t length; /* number of VPD entries */ #define SVPD_SUPPORTED_PAGES_SIZE 251 u_int8_t list[SVPD_SUPPORTED_PAGES_SIZE]; }; /* * This structure is more suited to target operation, because the * number of supported pages is left to the user to allocate. */ struct scsi_vpd_supported_pages { u_int8_t device; u_int8_t page_code; u_int8_t reserved; #define SVPD_SUPPORTED_PAGES 0x00 u_int8_t length; u_int8_t page_list[0]; }; struct scsi_vpd_unit_serial_number { u_int8_t device; u_int8_t page_code; #define SVPD_UNIT_SERIAL_NUMBER 0x80 u_int8_t reserved; u_int8_t length; /* serial number length */ #define SVPD_SERIAL_NUM_SIZE 251 u_int8_t serial_num[SVPD_SERIAL_NUM_SIZE]; }; struct scsi_vpd_device_id { u_int8_t device; u_int8_t page_code; #define SVPD_DEVICE_ID 0x83 #define SVPD_DEVICE_ID_MAX_SIZE 252 #define SVPD_DEVICE_ID_HDR_LEN \ __offsetof(struct scsi_vpd_device_id, desc_list) u_int8_t length[2]; u_int8_t desc_list[]; }; struct scsi_vpd_id_descriptor { u_int8_t proto_codeset; #define SCSI_PROTO_FC 0x00 #define SCSI_PROTO_SPI 0x01 #define SCSI_PROTO_SSA 0x02 #define SCSI_PROTO_1394 0x03 #define SCSI_PROTO_RDMA 0x04 #define SCSI_PROTO_iSCSI 0x05 #define SCSI_PROTO_SAS 0x06 #define SCSI_PROTO_ADT 0x07 #define SCSI_PROTO_ATA 0x08 #define SVPD_ID_PROTO_SHIFT 4 #define SVPD_ID_CODESET_BINARY 0x01 #define SVPD_ID_CODESET_ASCII 0x02 #define SVPD_ID_CODESET_UTF8 0x03 #define SVPD_ID_CODESET_MASK 0x0f u_int8_t id_type; #define SVPD_ID_PIV 0x80 #define SVPD_ID_ASSOC_LUN 0x00 #define SVPD_ID_ASSOC_PORT 0x10 #define SVPD_ID_ASSOC_TARGET 0x20 #define SVPD_ID_ASSOC_MASK 0x30 #define SVPD_ID_TYPE_VENDOR 0x00 #define SVPD_ID_TYPE_T10 0x01 #define SVPD_ID_TYPE_EUI64 0x02 #define SVPD_ID_TYPE_NAA 0x03 #define SVPD_ID_TYPE_RELTARG 0x04 #define SVPD_ID_TYPE_TPORTGRP 0x05 #define SVPD_ID_TYPE_LUNGRP 0x06 #define SVPD_ID_TYPE_MD5_LUN_ID 0x07 #define SVPD_ID_TYPE_SCSI_NAME 0x08 #define SVPD_ID_TYPE_MASK 0x0f u_int8_t reserved; u_int8_t length; #define SVPD_DEVICE_ID_DESC_HDR_LEN \ __offsetof(struct scsi_vpd_id_descriptor, identifier) u_int8_t identifier[]; }; struct scsi_vpd_id_t10 { u_int8_t vendor[8]; u_int8_t vendor_spec_id[0]; }; struct scsi_vpd_id_eui64 { u_int8_t ieee_company_id[3]; u_int8_t extension_id[5]; }; struct scsi_vpd_id_naa_basic { uint8_t naa; /* big endian, packed: uint8_t naa : 4; uint8_t naa_desig : 4; */ #define SVPD_ID_NAA_NAA_SHIFT 4 #define SVPD_ID_NAA_IEEE_EXT 0x02 #define SVPD_ID_NAA_LOCAL_REG 0x03 #define SVPD_ID_NAA_IEEE_REG 0x05 #define SVPD_ID_NAA_IEEE_REG_EXT 0x06 uint8_t naa_data[]; }; struct scsi_vpd_id_naa_ieee_extended_id { uint8_t naa; uint8_t vendor_specific_id_a; uint8_t ieee_company_id[3]; uint8_t vendor_specific_id_b[4]; }; struct scsi_vpd_id_naa_local_reg { uint8_t naa; uint8_t local_value[7]; }; struct scsi_vpd_id_naa_ieee_reg { uint8_t naa; uint8_t reg_value[7]; /* big endian, packed: uint8_t naa_basic : 4; uint8_t ieee_company_id_0 : 4; uint8_t ieee_company_id_1[2]; uint8_t ieee_company_id_2 : 4; uint8_t vendor_specific_id_0 : 4; uint8_t vendor_specific_id_1[4]; */ }; struct scsi_vpd_id_naa_ieee_reg_extended { uint8_t naa; uint8_t reg_value[15]; /* big endian, packed: uint8_t naa_basic : 4; uint8_t ieee_company_id_0 : 4; uint8_t ieee_company_id_1[2]; uint8_t ieee_company_id_2 : 4; uint8_t vendor_specific_id_0 : 4; uint8_t vendor_specific_id_1[4]; uint8_t vendor_specific_id_ext[8]; */ }; struct scsi_vpd_id_rel_trgt_port_id { uint8_t obsolete[2]; uint8_t rel_trgt_port_id[2]; }; struct scsi_vpd_id_trgt_port_grp_id { uint8_t reserved[2]; uint8_t trgt_port_grp[2]; }; struct scsi_vpd_id_lun_grp_id { uint8_t reserved[2]; uint8_t log_unit_grp[2]; }; struct scsi_vpd_id_md5_lun_id { uint8_t lun_id[16]; }; struct scsi_vpd_id_scsi_name { uint8_t name_string[256]; }; struct scsi_service_action_in { uint8_t opcode; uint8_t service_action; uint8_t action_dependent[13]; uint8_t control; }; struct scsi_diag_page { uint8_t page_code; uint8_t page_specific_flags; uint8_t length[2]; uint8_t params[0]; }; /* * ATA Information VPD Page based on * T10/2126-D Revision 04 */ #define SVPD_ATA_INFORMATION 0x89 /* * Block Device Characteristics VPD Page based on * T10/1799-D Revision 31 */ struct scsi_vpd_block_characteristics { u_int8_t device; u_int8_t page_code; #define SVPD_BDC 0xB1 u_int8_t page_length[2]; u_int8_t medium_rotation_rate[2]; #define SVPD_BDC_RATE_NOT_REPORTED 0x00 #define SVPD_BDC_RATE_NONE_ROTATING 0x01 u_int8_t reserved1; u_int8_t nominal_form_factor; #define SVPD_BDC_FORM_NOT_REPORTED 0x00 #define SVPD_BDC_FORM_5_25INCH 0x01 #define SVPD_BDC_FORM_3_5INCH 0x02 #define SVPD_BDC_FORM_2_5INCH 0x03 #define SVPD_BDC_FORM_1_5INCH 0x04 #define SVPD_BDC_FORM_LESSTHAN_1_5INCH 0x05 u_int8_t reserved2[56]; }; /* * Logical Block Provisioning VPD Page based on * T10/1799-D Revision 31 */ struct scsi_vpd_logical_block_prov { u_int8_t device; u_int8_t page_code; #define SVPD_LBP 0xB2 u_int8_t page_length[2]; #define SVPD_LBP_PL_BASIC 0x04 u_int8_t threshold_exponent; u_int8_t flags; #define SVPD_LBP_UNMAP 0x80 #define SVPD_LBP_WS16 0x40 #define SVPD_LBP_WS10 0x20 #define SVPD_LBP_RZ 0x04 #define SVPD_LBP_ANC_SUP 0x02 #define SVPD_LBP_DP 0x01 u_int8_t prov_type; #define SVPD_LBP_RESOURCE 0x01 #define SVPD_LBP_THIN 0x02 u_int8_t reserved; /* * Provisioning Group Descriptor can be here if SVPD_LBP_DP is set * Its size can be determined from page_length - 4 */ }; /* * Block Limits VDP Page based on * T10/1799-D Revision 31 */ struct scsi_vpd_block_limits { u_int8_t device; u_int8_t page_code; #define SVPD_BLOCK_LIMITS 0xB0 u_int8_t page_length[2]; #define SVPD_BL_PL_BASIC 0x10 #define SVPD_BL_PL_TP 0x3C u_int8_t reserved1; u_int8_t max_cmp_write_len; u_int8_t opt_txfer_len_grain[2]; u_int8_t max_txfer_len[4]; u_int8_t opt_txfer_len[4]; u_int8_t max_prefetch[4]; u_int8_t max_unmap_lba_cnt[4]; u_int8_t max_unmap_blk_cnt[4]; u_int8_t opt_unmap_grain[4]; u_int8_t unmap_grain_align[4]; u_int8_t max_write_same_length[8]; u_int8_t reserved2[20]; }; struct scsi_read_capacity { u_int8_t opcode; u_int8_t byte2; #define SRC_RELADR 0x01 u_int8_t addr[4]; u_int8_t unused[2]; u_int8_t pmi; #define SRC_PMI 0x01 u_int8_t control; }; struct scsi_read_capacity_16 { uint8_t opcode; #define SRC16_SERVICE_ACTION 0x10 uint8_t service_action; uint8_t addr[8]; uint8_t alloc_len[4]; #define SRC16_PMI 0x01 #define SRC16_RELADR 0x02 uint8_t reladr; uint8_t control; }; struct scsi_read_capacity_data { u_int8_t addr[4]; u_int8_t length[4]; }; struct scsi_read_capacity_data_long { uint8_t addr[8]; uint8_t length[4]; #define SRC16_PROT_EN 0x01 #define SRC16_P_TYPE 0x0e #define SRC16_PTYPE_1 0x00 #define SRC16_PTYPE_2 0x02 #define SRC16_PTYPE_3 0x04 uint8_t prot; #define SRC16_LBPPBE 0x0f #define SRC16_PI_EXPONENT 0xf0 #define SRC16_PI_EXPONENT_SHIFT 4 uint8_t prot_lbppbe; #define SRC16_LALBA 0x3f #define SRC16_LBPRZ 0x40 #define SRC16_LBPME 0x80 /* * Alternate versions of these macros that are intended for use on a 16-bit * version of the lalba_lbp field instead of the array of 2 8 bit numbers. */ #define SRC16_LALBA_A 0x3fff #define SRC16_LBPRZ_A 0x4000 #define SRC16_LBPME_A 0x8000 uint8_t lalba_lbp[2]; }; struct scsi_report_luns { uint8_t opcode; uint8_t reserved1; #define RPL_REPORT_DEFAULT 0x00 #define RPL_REPORT_WELLKNOWN 0x01 #define RPL_REPORT_ALL 0x02 uint8_t select_report; uint8_t reserved2[3]; uint8_t length[4]; uint8_t reserved3; uint8_t control; }; struct scsi_report_luns_lundata { uint8_t lundata[8]; #define RPL_LUNDATA_PERIPH_BUS_MASK 0x3f #define RPL_LUNDATA_FLAT_LUN_MASK 0x3f #define RPL_LUNDATA_FLAT_LUN_BITS 0x06 #define RPL_LUNDATA_LUN_TARG_MASK 0x3f #define RPL_LUNDATA_LUN_BUS_MASK 0xe0 #define RPL_LUNDATA_LUN_LUN_MASK 0x1f #define RPL_LUNDATA_EXT_LEN_MASK 0x30 #define RPL_LUNDATA_EXT_EAM_MASK 0x0f #define RPL_LUNDATA_EXT_EAM_WK 0x01 #define RPL_LUNDATA_EXT_EAM_NOT_SPEC 0x0f #define RPL_LUNDATA_ATYP_MASK 0xc0 /* MBZ for type 0 lun */ #define RPL_LUNDATA_ATYP_PERIPH 0x00 #define RPL_LUNDATA_ATYP_FLAT 0x40 #define RPL_LUNDATA_ATYP_LUN 0x80 #define RPL_LUNDATA_ATYP_EXTLUN 0xc0 }; struct scsi_report_luns_data { u_int8_t length[4]; /* length of LUN inventory, in bytes */ u_int8_t reserved[4]; /* unused */ /* * LUN inventory- we only support the type zero form for now. */ struct scsi_report_luns_lundata luns[0]; }; struct scsi_target_group { uint8_t opcode; uint8_t service_action; #define STG_PDF_LENGTH 0x00 #define RPL_PDF_EXTENDED 0x20 uint8_t reserved1[4]; uint8_t length[4]; uint8_t reserved2; uint8_t control; }; struct scsi_target_port_descriptor { uint8_t reserved[2]; uint8_t relative_target_port_identifier[2]; uint8_t desc_list[]; }; struct scsi_target_port_group_descriptor { uint8_t pref_state; #define TPG_PRIMARY 0x80 #define TPG_ASYMMETRIC_ACCESS_STATE_MASK 0xf #define TPG_ASYMMETRIC_ACCESS_OPTIMIZED 0x0 #define TPG_ASYMMETRIC_ACCESS_NONOPTIMIZED 0x1 #define TPG_ASYMMETRIC_ACCESS_STANDBY 0x2 #define TPG_ASYMMETRIC_ACCESS_UNAVAILABLE 0x3 #define TPG_ASYMMETRIC_ACCESS_LBA_DEPENDENT 0x4 #define TPG_ASYMMETRIC_ACCESS_OFFLINE 0xE #define TPG_ASYMMETRIC_ACCESS_TRANSITIONING 0xF uint8_t support; #define TPG_AO_SUP 0x01 #define TPG_AN_SUP 0x02 #define TPG_S_SUP 0x04 #define TPG_U_SUP 0x08 #define TPG_LBD_SUP 0x10 #define TPG_O_SUP 0x40 #define TPG_T_SUP 0x80 uint8_t target_port_group[2]; uint8_t reserved; uint8_t status; #define TPG_UNAVLBL 0 #define TPG_SET_BY_STPG 0x01 #define TPG_IMPLICIT 0x02 uint8_t vendor_specific; uint8_t target_port_count; struct scsi_target_port_descriptor descriptors[]; }; struct scsi_target_group_data { uint8_t length[4]; /* length of returned data, in bytes */ struct scsi_target_port_group_descriptor groups[]; }; struct scsi_target_group_data_extended { uint8_t length[4]; /* length of returned data, in bytes */ uint8_t format_type; /* STG_PDF_LENGTH or RPL_PDF_EXTENDED */ uint8_t implicit_transition_time; uint8_t reserved[2]; struct scsi_target_port_group_descriptor groups[]; }; typedef enum { SSD_TYPE_NONE, SSD_TYPE_FIXED, SSD_TYPE_DESC } scsi_sense_data_type; typedef enum { SSD_ELEM_NONE, SSD_ELEM_SKIP, SSD_ELEM_DESC, SSD_ELEM_SKS, SSD_ELEM_COMMAND, SSD_ELEM_INFO, SSD_ELEM_FRU, SSD_ELEM_STREAM, SSD_ELEM_MAX } scsi_sense_elem_type; struct scsi_sense_data { uint8_t error_code; /* * SPC-4 says that the maximum length of sense data is 252 bytes. * So this structure is exactly 252 bytes log. */ #define SSD_FULL_SIZE 252 uint8_t sense_buf[SSD_FULL_SIZE - 1]; /* * XXX KDM is this still a reasonable minimum size? */ #define SSD_MIN_SIZE 18 /* * Maximum value for the extra_len field in the sense data. */ #define SSD_EXTRA_MAX 244 }; /* * Fixed format sense data. */ struct scsi_sense_data_fixed { u_int8_t error_code; #define SSD_ERRCODE 0x7F #define SSD_CURRENT_ERROR 0x70 #define SSD_DEFERRED_ERROR 0x71 #define SSD_ERRCODE_VALID 0x80 u_int8_t segment; u_int8_t flags; #define SSD_KEY 0x0F #define SSD_KEY_NO_SENSE 0x00 #define SSD_KEY_RECOVERED_ERROR 0x01 #define SSD_KEY_NOT_READY 0x02 #define SSD_KEY_MEDIUM_ERROR 0x03 #define SSD_KEY_HARDWARE_ERROR 0x04 #define SSD_KEY_ILLEGAL_REQUEST 0x05 #define SSD_KEY_UNIT_ATTENTION 0x06 #define SSD_KEY_DATA_PROTECT 0x07 #define SSD_KEY_BLANK_CHECK 0x08 #define SSD_KEY_Vendor_Specific 0x09 #define SSD_KEY_COPY_ABORTED 0x0a #define SSD_KEY_ABORTED_COMMAND 0x0b #define SSD_KEY_EQUAL 0x0c #define SSD_KEY_VOLUME_OVERFLOW 0x0d #define SSD_KEY_MISCOMPARE 0x0e #define SSD_KEY_COMPLETED 0x0f #define SSD_ILI 0x20 #define SSD_EOM 0x40 #define SSD_FILEMARK 0x80 u_int8_t info[4]; u_int8_t extra_len; u_int8_t cmd_spec_info[4]; u_int8_t add_sense_code; u_int8_t add_sense_code_qual; u_int8_t fru; u_int8_t sense_key_spec[3]; #define SSD_SCS_VALID 0x80 #define SSD_FIELDPTR_CMD 0x40 #define SSD_BITPTR_VALID 0x08 #define SSD_BITPTR_VALUE 0x07 u_int8_t extra_bytes[14]; #define SSD_FIXED_IS_PRESENT(sense, length, field) \ ((length >= (offsetof(struct scsi_sense_data_fixed, field) + \ sizeof(sense->field))) ? 1 :0) #define SSD_FIXED_IS_FILLED(sense, field) \ ((((offsetof(struct scsi_sense_data_fixed, field) + \ sizeof(sense->field)) - \ (offsetof(struct scsi_sense_data_fixed, extra_len) + \ sizeof(sense->extra_len))) <= sense->extra_len) ? 1 : 0) }; /* * Descriptor format sense data definitions. * Introduced in SPC-3. */ struct scsi_sense_data_desc { uint8_t error_code; #define SSD_DESC_CURRENT_ERROR 0x72 #define SSD_DESC_DEFERRED_ERROR 0x73 uint8_t sense_key; uint8_t add_sense_code; uint8_t add_sense_code_qual; uint8_t reserved[3]; /* * Note that SPC-4, section 4.5.2.1 says that the extra_len field * must be less than or equal to 244. */ uint8_t extra_len; uint8_t sense_desc[0]; #define SSD_DESC_IS_PRESENT(sense, length, field) \ ((length >= (offsetof(struct scsi_sense_data_desc, field) + \ sizeof(sense->field))) ? 1 :0) }; struct scsi_sense_desc_header { uint8_t desc_type; uint8_t length; }; /* * The information provide in the Information descriptor is device type or * command specific information, and defined in a command standard. * * Note that any changes to the field names or positions in this structure, * even reserved fields, should be accompanied by an examination of the * code in ctl_set_sense() that uses them. * * Maximum descriptors allowed: 1 (as of SPC-4) */ struct scsi_sense_info { uint8_t desc_type; #define SSD_DESC_INFO 0x00 uint8_t length; uint8_t byte2; #define SSD_INFO_VALID 0x80 uint8_t reserved; uint8_t info[8]; }; /* * Command-specific information depends on the command for which the * reported condition occured. * * Note that any changes to the field names or positions in this structure, * even reserved fields, should be accompanied by an examination of the * code in ctl_set_sense() that uses them. * * Maximum descriptors allowed: 1 (as of SPC-4) */ struct scsi_sense_command { uint8_t desc_type; #define SSD_DESC_COMMAND 0x01 uint8_t length; uint8_t reserved[2]; uint8_t command_info[8]; }; /* * Sense key specific descriptor. The sense key specific data format * depends on the sense key in question. * * Maximum descriptors allowed: 1 (as of SPC-4) */ struct scsi_sense_sks { uint8_t desc_type; #define SSD_DESC_SKS 0x02 uint8_t length; uint8_t reserved1[2]; uint8_t sense_key_spec[3]; #define SSD_SKS_VALID 0x80 uint8_t reserved2; }; /* * This is used for the Illegal Request sense key (0x05) only. */ struct scsi_sense_sks_field { uint8_t byte0; #define SSD_SKS_FIELD_VALID 0x80 #define SSD_SKS_FIELD_CMD 0x40 #define SSD_SKS_BPV 0x08 #define SSD_SKS_BIT_VALUE 0x07 uint8_t field[2]; }; /* * This is used for the Hardware Error (0x04), Medium Error (0x03) and * Recovered Error (0x01) sense keys. */ struct scsi_sense_sks_retry { uint8_t byte0; #define SSD_SKS_RETRY_VALID 0x80 uint8_t actual_retry_count[2]; }; /* * Used with the NO Sense (0x00) or Not Ready (0x02) sense keys. */ struct scsi_sense_sks_progress { uint8_t byte0; #define SSD_SKS_PROGRESS_VALID 0x80 uint8_t progress[2]; #define SSD_SKS_PROGRESS_DENOM 0x10000 }; /* * Used with the Copy Aborted (0x0a) sense key. */ struct scsi_sense_sks_segment { uint8_t byte0; #define SSD_SKS_SEGMENT_VALID 0x80 #define SSD_SKS_SEGMENT_SD 0x20 #define SSD_SKS_SEGMENT_BPV 0x08 #define SSD_SKS_SEGMENT_BITPTR 0x07 uint8_t field[2]; }; /* * Used with the Unit Attention (0x06) sense key. * * This is currently used to indicate that the unit attention condition * queue has overflowed (when the overflow bit is set). */ struct scsi_sense_sks_overflow { uint8_t byte0; #define SSD_SKS_OVERFLOW_VALID 0x80 #define SSD_SKS_OVERFLOW_SET 0x01 uint8_t reserved[2]; }; /* * This specifies which component is associated with the sense data. There * is no standard meaning for the fru value. * * Maximum descriptors allowed: 1 (as of SPC-4) */ struct scsi_sense_fru { uint8_t desc_type; #define SSD_DESC_FRU 0x03 uint8_t length; uint8_t reserved; uint8_t fru; }; /* * Used for Stream commands, defined in SSC-4. * * Maximum descriptors allowed: 1 (as of SPC-4) */ struct scsi_sense_stream { uint8_t desc_type; #define SSD_DESC_STREAM 0x04 uint8_t length; uint8_t reserved; uint8_t byte3; #define SSD_DESC_STREAM_FM 0x80 #define SSD_DESC_STREAM_EOM 0x40 #define SSD_DESC_STREAM_ILI 0x20 }; /* * Used for Block commands, defined in SBC-3. * * This is currently (as of SBC-3) only used for the Incorrect Length * Indication (ILI) bit, which says that the data length requested in the * READ LONG or WRITE LONG command did not match the length of the logical * block. * * Maximum descriptors allowed: 1 (as of SPC-4) */ struct scsi_sense_block { uint8_t desc_type; #define SSD_DESC_BLOCK 0x05 uint8_t length; uint8_t reserved; uint8_t byte3; #define SSD_DESC_BLOCK_ILI 0x20 }; /* * Used for Object-Based Storage Devices (OSD-3). * * Maximum descriptors allowed: 1 (as of SPC-4) */ struct scsi_sense_osd_objid { uint8_t desc_type; #define SSD_DESC_OSD_OBJID 0x06 uint8_t length; uint8_t reserved[6]; /* * XXX KDM provide the bit definitions here? There are a lot of * them, and we don't have an OSD driver yet. */ uint8_t not_init_cmds[4]; uint8_t completed_cmds[4]; uint8_t partition_id[8]; uint8_t object_id[8]; }; /* * Used for Object-Based Storage Devices (OSD-3). * * Maximum descriptors allowed: 1 (as of SPC-4) */ struct scsi_sense_osd_integrity { uint8_t desc_type; #define SSD_DESC_OSD_INTEGRITY 0x07 uint8_t length; uint8_t integ_check_val[32]; }; /* * Used for Object-Based Storage Devices (OSD-3). * * Maximum descriptors allowed: 1 (as of SPC-4) */ struct scsi_sense_osd_attr_id { uint8_t desc_type; #define SSD_DESC_OSD_ATTR_ID 0x08 uint8_t length; uint8_t reserved[2]; uint8_t attr_desc[0]; }; /* * Used with Sense keys No Sense (0x00) and Not Ready (0x02). * * Maximum descriptors allowed: 32 (as of SPC-4) */ struct scsi_sense_progress { uint8_t desc_type; #define SSD_DESC_PROGRESS 0x0a uint8_t length; uint8_t sense_key; uint8_t add_sense_code; uint8_t add_sense_code_qual; uint8_t reserved; uint8_t progress[2]; }; /* * This is typically forwarded as the result of an EXTENDED COPY command. * * Maximum descriptors allowed: 2 (as of SPC-4) */ struct scsi_sense_forwarded { uint8_t desc_type; #define SSD_DESC_FORWARDED 0x0c uint8_t length; uint8_t byte2; #define SSD_FORWARDED_FSDT 0x80 #define SSD_FORWARDED_SDS_MASK 0x0f #define SSD_FORWARDED_SDS_UNK 0x00 #define SSD_FORWARDED_SDS_EXSRC 0x01 #define SSD_FORWARDED_SDS_EXDST 0x02 }; /* * Vendor-specific sense descriptor. The desc_type field will be in the * range bewteen MIN and MAX inclusive. */ struct scsi_sense_vendor { uint8_t desc_type; #define SSD_DESC_VENDOR_MIN 0x80 #define SSD_DESC_VENDOR_MAX 0xff uint8_t length; uint8_t data[0]; }; struct scsi_mode_header_6 { u_int8_t data_length; /* Sense data length */ u_int8_t medium_type; u_int8_t dev_spec; u_int8_t blk_desc_len; }; struct scsi_mode_header_10 { u_int8_t data_length[2];/* Sense data length */ u_int8_t medium_type; u_int8_t dev_spec; u_int8_t unused[2]; u_int8_t blk_desc_len[2]; }; struct scsi_mode_page_header { u_int8_t page_code; #define SMPH_PS 0x80 #define SMPH_SPF 0x40 #define SMPH_PC_MASK 0x3f u_int8_t page_length; }; struct scsi_mode_page_header_sp { uint8_t page_code; uint8_t subpage; uint8_t page_length[2]; }; struct scsi_mode_blk_desc { u_int8_t density; u_int8_t nblocks[3]; u_int8_t reserved; u_int8_t blklen[3]; }; #define SCSI_DEFAULT_DENSITY 0x00 /* use 'default' density */ #define SCSI_SAME_DENSITY 0x7f /* use 'same' density- >= SCSI-2 only */ /* * Status Byte */ #define SCSI_STATUS_OK 0x00 #define SCSI_STATUS_CHECK_COND 0x02 #define SCSI_STATUS_COND_MET 0x04 #define SCSI_STATUS_BUSY 0x08 #define SCSI_STATUS_INTERMED 0x10 #define SCSI_STATUS_INTERMED_COND_MET 0x14 #define SCSI_STATUS_RESERV_CONFLICT 0x18 #define SCSI_STATUS_CMD_TERMINATED 0x22 /* Obsolete in SAM-2 */ #define SCSI_STATUS_QUEUE_FULL 0x28 #define SCSI_STATUS_ACA_ACTIVE 0x30 #define SCSI_STATUS_TASK_ABORTED 0x40 struct scsi_inquiry_pattern { u_int8_t type; u_int8_t media_type; #define SIP_MEDIA_REMOVABLE 0x01 #define SIP_MEDIA_FIXED 0x02 const char *vendor; const char *product; const char *revision; }; struct scsi_static_inquiry_pattern { u_int8_t type; u_int8_t media_type; char vendor[SID_VENDOR_SIZE+1]; char product[SID_PRODUCT_SIZE+1]; char revision[SID_REVISION_SIZE+1]; }; struct scsi_sense_quirk_entry { struct scsi_inquiry_pattern inq_pat; int num_sense_keys; int num_ascs; struct sense_key_table_entry *sense_key_info; struct asc_table_entry *asc_info; }; struct sense_key_table_entry { u_int8_t sense_key; u_int32_t action; const char *desc; }; struct asc_table_entry { u_int8_t asc; u_int8_t ascq; u_int32_t action; const char *desc; }; struct op_table_entry { u_int8_t opcode; u_int32_t opmask; const char *desc; }; struct scsi_op_quirk_entry { struct scsi_inquiry_pattern inq_pat; int num_ops; struct op_table_entry *op_table; }; typedef enum { SSS_FLAG_NONE = 0x00, SSS_FLAG_PRINT_COMMAND = 0x01 } scsi_sense_string_flags; struct ccb_scsiio; struct cam_periph; union ccb; #ifndef _KERNEL struct cam_device; #endif extern const char *scsi_sense_key_text[]; struct sbuf; __BEGIN_DECLS void scsi_sense_desc(int sense_key, int asc, int ascq, struct scsi_inquiry_data *inq_data, const char **sense_key_desc, const char **asc_desc); scsi_sense_action scsi_error_action(struct ccb_scsiio* csio, struct scsi_inquiry_data *inq_data, u_int32_t sense_flags); const char * scsi_status_string(struct ccb_scsiio *csio); void scsi_desc_iterate(struct scsi_sense_data_desc *sense, u_int sense_len, int (*iter_func)(struct scsi_sense_data_desc *sense, u_int, struct scsi_sense_desc_header *, void *), void *arg); uint8_t *scsi_find_desc(struct scsi_sense_data_desc *sense, u_int sense_len, uint8_t desc_type); void scsi_set_sense_data(struct scsi_sense_data *sense_data, scsi_sense_data_type sense_format, int current_error, int sense_key, int asc, int ascq, ...) ; void scsi_set_sense_data_va(struct scsi_sense_data *sense_data, scsi_sense_data_type sense_format, int current_error, int sense_key, int asc, int ascq, va_list ap); int scsi_get_sense_info(struct scsi_sense_data *sense_data, u_int sense_len, uint8_t info_type, uint64_t *info, int64_t *signed_info); int scsi_get_sks(struct scsi_sense_data *sense_data, u_int sense_len, uint8_t *sks); int scsi_get_block_info(struct scsi_sense_data *sense_data, u_int sense_len, struct scsi_inquiry_data *inq_data, uint8_t *block_bits); int scsi_get_stream_info(struct scsi_sense_data *sense_data, u_int sense_len, struct scsi_inquiry_data *inq_data, uint8_t *stream_bits); void scsi_info_sbuf(struct sbuf *sb, uint8_t *cdb, int cdb_len, struct scsi_inquiry_data *inq_data, uint64_t info); void scsi_command_sbuf(struct sbuf *sb, uint8_t *cdb, int cdb_len, struct scsi_inquiry_data *inq_data, uint64_t csi); void scsi_progress_sbuf(struct sbuf *sb, uint16_t progress); int scsi_sks_sbuf(struct sbuf *sb, int sense_key, uint8_t *sks); void scsi_fru_sbuf(struct sbuf *sb, uint64_t fru); void scsi_stream_sbuf(struct sbuf *sb, uint8_t stream_bits, uint64_t info); void scsi_block_sbuf(struct sbuf *sb, uint8_t block_bits, uint64_t info); void scsi_sense_info_sbuf(struct sbuf *sb, struct scsi_sense_data *sense, u_int sense_len, uint8_t *cdb, int cdb_len, struct scsi_inquiry_data *inq_data, struct scsi_sense_desc_header *header); void scsi_sense_command_sbuf(struct sbuf *sb, struct scsi_sense_data *sense, u_int sense_len, uint8_t *cdb, int cdb_len, struct scsi_inquiry_data *inq_data, struct scsi_sense_desc_header *header); void scsi_sense_sks_sbuf(struct sbuf *sb, struct scsi_sense_data *sense, u_int sense_len, uint8_t *cdb, int cdb_len, struct scsi_inquiry_data *inq_data, struct scsi_sense_desc_header *header); void scsi_sense_fru_sbuf(struct sbuf *sb, struct scsi_sense_data *sense, u_int sense_len, uint8_t *cdb, int cdb_len, struct scsi_inquiry_data *inq_data, struct scsi_sense_desc_header *header); void scsi_sense_stream_sbuf(struct sbuf *sb, struct scsi_sense_data *sense, u_int sense_len, uint8_t *cdb, int cdb_len, struct scsi_inquiry_data *inq_data, struct scsi_sense_desc_header *header); void scsi_sense_block_sbuf(struct sbuf *sb, struct scsi_sense_data *sense, u_int sense_len, uint8_t *cdb, int cdb_len, struct scsi_inquiry_data *inq_data, struct scsi_sense_desc_header *header); void scsi_sense_progress_sbuf(struct sbuf *sb, struct scsi_sense_data *sense, u_int sense_len, uint8_t *cdb, int cdb_len, struct scsi_inquiry_data *inq_data, struct scsi_sense_desc_header *header); void scsi_sense_generic_sbuf(struct sbuf *sb, struct scsi_sense_data *sense, u_int sense_len, uint8_t *cdb, int cdb_len, struct scsi_inquiry_data *inq_data, struct scsi_sense_desc_header *header); void scsi_sense_desc_sbuf(struct sbuf *sb, struct scsi_sense_data *sense, u_int sense_len, uint8_t *cdb, int cdb_len, struct scsi_inquiry_data *inq_data, struct scsi_sense_desc_header *header); scsi_sense_data_type scsi_sense_type(struct scsi_sense_data *sense_data); void scsi_sense_only_sbuf(struct scsi_sense_data *sense, u_int sense_len, struct sbuf *sb, char *path_str, struct scsi_inquiry_data *inq_data, uint8_t *cdb, int cdb_len); #ifdef _KERNEL int scsi_command_string(struct ccb_scsiio *csio, struct sbuf *sb); int scsi_sense_sbuf(struct ccb_scsiio *csio, struct sbuf *sb, scsi_sense_string_flags flags); char * scsi_sense_string(struct ccb_scsiio *csio, char *str, int str_len); void scsi_sense_print(struct ccb_scsiio *csio); int scsi_vpd_supported_page(struct cam_periph *periph, uint8_t page_id); #else /* _KERNEL */ int scsi_command_string(struct cam_device *device, struct ccb_scsiio *csio, struct sbuf *sb); int scsi_sense_sbuf(struct cam_device *device, struct ccb_scsiio *csio, struct sbuf *sb, scsi_sense_string_flags flags); char * scsi_sense_string(struct cam_device *device, struct ccb_scsiio *csio, char *str, int str_len); void scsi_sense_print(struct cam_device *device, struct ccb_scsiio *csio, FILE *ofile); #endif /* _KERNEL */ const char * scsi_op_desc(u_int16_t opcode, struct scsi_inquiry_data *inq_data); char * scsi_cdb_string(u_int8_t *cdb_ptr, char *cdb_string, size_t len); void scsi_print_inquiry(struct scsi_inquiry_data *inq_data); +void scsi_print_inquiry_short(struct scsi_inquiry_data *inq_data); u_int scsi_calc_syncsrate(u_int period_factor); u_int scsi_calc_syncparam(u_int period); typedef int (*scsi_devid_checkfn_t)(uint8_t *); int scsi_devid_is_naa_ieee_reg(uint8_t *bufp); int scsi_devid_is_sas_target(uint8_t *bufp); int scsi_devid_is_lun_eui64(uint8_t *bufp); int scsi_devid_is_lun_naa(uint8_t *bufp); int scsi_devid_is_lun_name(uint8_t *bufp); int scsi_devid_is_lun_t10(uint8_t *bufp); struct scsi_vpd_id_descriptor * scsi_get_devid(struct scsi_vpd_device_id *id, uint32_t len, scsi_devid_checkfn_t ck_fn); void scsi_test_unit_ready(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int8_t sense_len, u_int32_t timeout); void scsi_request_sense(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), void *data_ptr, u_int8_t dxfer_len, u_int8_t tag_action, u_int8_t sense_len, u_int32_t timeout); void scsi_inquiry(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int8_t *inq_buf, u_int32_t inq_len, int evpd, u_int8_t page_code, u_int8_t sense_len, u_int32_t timeout); void scsi_mode_sense(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, int dbd, u_int8_t page_code, u_int8_t page, u_int8_t *param_buf, u_int32_t param_len, u_int8_t sense_len, u_int32_t timeout); void scsi_mode_sense_len(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, int dbd, u_int8_t page_code, u_int8_t page, u_int8_t *param_buf, u_int32_t param_len, int minimum_cmd_size, u_int8_t sense_len, u_int32_t timeout); void scsi_mode_select(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, int scsi_page_fmt, int save_pages, u_int8_t *param_buf, u_int32_t param_len, u_int8_t sense_len, u_int32_t timeout); void scsi_mode_select_len(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, int scsi_page_fmt, int save_pages, u_int8_t *param_buf, u_int32_t param_len, int minimum_cmd_size, u_int8_t sense_len, u_int32_t timeout); void scsi_log_sense(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int8_t page_code, u_int8_t page, int save_pages, int ppc, u_int32_t paramptr, u_int8_t *param_buf, u_int32_t param_len, u_int8_t sense_len, u_int32_t timeout); void scsi_log_select(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int8_t page_code, int save_pages, int pc_reset, u_int8_t *param_buf, u_int32_t param_len, u_int8_t sense_len, u_int32_t timeout); void scsi_prevent(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int8_t action, u_int8_t sense_len, u_int32_t timeout); void scsi_read_capacity(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, struct scsi_read_capacity_data *, u_int8_t sense_len, u_int32_t timeout); void scsi_read_capacity_16(struct ccb_scsiio *csio, uint32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), uint8_t tag_action, uint64_t lba, int reladr, int pmi, struct scsi_read_capacity_data_long *rcap_buf, uint8_t sense_len, uint32_t timeout); void scsi_report_luns(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int8_t select_report, struct scsi_report_luns_data *rpl_buf, u_int32_t alloc_len, u_int8_t sense_len, u_int32_t timeout); void scsi_report_target_group(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int8_t pdf, void *buf, u_int32_t alloc_len, u_int8_t sense_len, u_int32_t timeout); void scsi_set_target_group(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, void *buf, u_int32_t alloc_len, u_int8_t sense_len, u_int32_t timeout); void scsi_synchronize_cache(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int32_t begin_lba, u_int16_t lb_count, u_int8_t sense_len, u_int32_t timeout); void scsi_receive_diagnostic_results(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb*), uint8_t tag_action, int pcv, uint8_t page_code, uint8_t *data_ptr, uint16_t allocation_length, uint8_t sense_len, uint32_t timeout); void scsi_send_diagnostic(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), uint8_t tag_action, int unit_offline, int device_offline, int self_test, int page_format, int self_test_code, uint8_t *data_ptr, uint16_t param_list_length, uint8_t sense_len, uint32_t timeout); void scsi_read_buffer(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb*), uint8_t tag_action, int mode, uint8_t buffer_id, u_int32_t offset, uint8_t *data_ptr, uint32_t allocation_length, uint8_t sense_len, uint32_t timeout); void scsi_write_buffer(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), uint8_t tag_action, int mode, uint8_t buffer_id, u_int32_t offset, uint8_t *data_ptr, uint32_t param_list_length, uint8_t sense_len, uint32_t timeout); #define SCSI_RW_READ 0x0001 #define SCSI_RW_WRITE 0x0002 #define SCSI_RW_DIRMASK 0x0003 #define SCSI_RW_BIO 0x1000 void scsi_read_write(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, int readop, u_int8_t byte2, int minimum_cmd_size, u_int64_t lba, u_int32_t block_count, u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, u_int32_t timeout); void scsi_write_same(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int8_t byte2, int minimum_cmd_size, u_int64_t lba, u_int32_t block_count, u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, u_int32_t timeout); void scsi_ata_identify(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int8_t *data_ptr, u_int16_t dxfer_len, u_int8_t sense_len, u_int32_t timeout); void scsi_ata_trim(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int16_t block_count, u_int8_t *data_ptr, u_int16_t dxfer_len, u_int8_t sense_len, u_int32_t timeout); void scsi_ata_pass_16(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int32_t flags, u_int8_t tag_action, u_int8_t protocol, u_int8_t ata_flags, u_int16_t features, u_int16_t sector_count, uint64_t lba, u_int8_t command, u_int8_t control, u_int8_t *data_ptr, u_int16_t dxfer_len, u_int8_t sense_len, u_int32_t timeout); void scsi_unmap(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int8_t byte2, u_int8_t *data_ptr, u_int16_t dxfer_len, u_int8_t sense_len, u_int32_t timeout); void scsi_start_stop(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, int start, int load_eject, int immediate, u_int8_t sense_len, u_int32_t timeout); int scsi_inquiry_match(caddr_t inqbuffer, caddr_t table_entry); int scsi_static_inquiry_match(caddr_t inqbuffer, caddr_t table_entry); int scsi_devid_match(uint8_t *rhs, size_t rhs_len, uint8_t *lhs, size_t lhs_len); void scsi_extract_sense(struct scsi_sense_data *sense, int *error_code, int *sense_key, int *asc, int *ascq); int scsi_extract_sense_ccb(union ccb *ccb, int *error_code, int *sense_key, int *asc, int *ascq); void scsi_extract_sense_len(struct scsi_sense_data *sense, u_int sense_len, int *error_code, int *sense_key, int *asc, int *ascq, int show_errors); int scsi_get_sense_key(struct scsi_sense_data *sense, u_int sense_len, int show_errors); int scsi_get_asc(struct scsi_sense_data *sense, u_int sense_len, int show_errors); int scsi_get_ascq(struct scsi_sense_data *sense, u_int sense_len, int show_errors); static __inline void scsi_ulto2b(u_int32_t val, u_int8_t *bytes); static __inline void scsi_ulto3b(u_int32_t val, u_int8_t *bytes); static __inline void scsi_ulto4b(u_int32_t val, u_int8_t *bytes); static __inline void scsi_u64to8b(u_int64_t val, u_int8_t *bytes); static __inline uint32_t scsi_2btoul(const uint8_t *bytes); static __inline uint32_t scsi_3btoul(const uint8_t *bytes); static __inline int32_t scsi_3btol(const uint8_t *bytes); static __inline uint32_t scsi_4btoul(const uint8_t *bytes); static __inline uint64_t scsi_8btou64(const uint8_t *bytes); static __inline void *find_mode_page_6(struct scsi_mode_header_6 *mode_header); static __inline void *find_mode_page_10(struct scsi_mode_header_10 *mode_header); static __inline void scsi_ulto2b(u_int32_t val, u_int8_t *bytes) { bytes[0] = (val >> 8) & 0xff; bytes[1] = val & 0xff; } static __inline void scsi_ulto3b(u_int32_t val, u_int8_t *bytes) { bytes[0] = (val >> 16) & 0xff; bytes[1] = (val >> 8) & 0xff; bytes[2] = val & 0xff; } static __inline void scsi_ulto4b(u_int32_t val, u_int8_t *bytes) { bytes[0] = (val >> 24) & 0xff; bytes[1] = (val >> 16) & 0xff; bytes[2] = (val >> 8) & 0xff; bytes[3] = val & 0xff; } static __inline void scsi_u64to8b(u_int64_t val, u_int8_t *bytes) { bytes[0] = (val >> 56) & 0xff; bytes[1] = (val >> 48) & 0xff; bytes[2] = (val >> 40) & 0xff; bytes[3] = (val >> 32) & 0xff; bytes[4] = (val >> 24) & 0xff; bytes[5] = (val >> 16) & 0xff; bytes[6] = (val >> 8) & 0xff; bytes[7] = val & 0xff; } static __inline uint32_t scsi_2btoul(const uint8_t *bytes) { uint32_t rv; rv = (bytes[0] << 8) | bytes[1]; return (rv); } static __inline uint32_t scsi_3btoul(const uint8_t *bytes) { uint32_t rv; rv = (bytes[0] << 16) | (bytes[1] << 8) | bytes[2]; return (rv); } static __inline int32_t scsi_3btol(const uint8_t *bytes) { uint32_t rc = scsi_3btoul(bytes); if (rc & 0x00800000) rc |= 0xff000000; return (int32_t) rc; } static __inline uint32_t scsi_4btoul(const uint8_t *bytes) { uint32_t rv; rv = (bytes[0] << 24) | (bytes[1] << 16) | (bytes[2] << 8) | bytes[3]; return (rv); } static __inline uint64_t scsi_8btou64(const uint8_t *bytes) { uint64_t rv; rv = (((uint64_t)bytes[0]) << 56) | (((uint64_t)bytes[1]) << 48) | (((uint64_t)bytes[2]) << 40) | (((uint64_t)bytes[3]) << 32) | (((uint64_t)bytes[4]) << 24) | (((uint64_t)bytes[5]) << 16) | (((uint64_t)bytes[6]) << 8) | bytes[7]; return (rv); } /* * Given the pointer to a returned mode sense buffer, return a pointer to * the start of the first mode page. */ static __inline void * find_mode_page_6(struct scsi_mode_header_6 *mode_header) { void *page_start; page_start = (void *)((u_int8_t *)&mode_header[1] + mode_header->blk_desc_len); return(page_start); } static __inline void * find_mode_page_10(struct scsi_mode_header_10 *mode_header) { void *page_start; page_start = (void *)((u_int8_t *)&mode_header[1] + scsi_2btoul(mode_header->blk_desc_len)); return(page_start); } __END_DECLS #endif /*_SCSI_SCSI_ALL_H*/ Index: stable/9/sys/cam/scsi/scsi_cd.c =================================================================== --- stable/9/sys/cam/scsi/scsi_cd.c (revision 257049) +++ stable/9/sys/cam/scsi/scsi_cd.c (revision 257050) @@ -1,4405 +1,4402 @@ /*- * Copyright (c) 1997 Justin T. Gibbs. * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Kenneth D. Merry. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /*- * Portions of this driver taken from the original FreeBSD cd driver. * Written by Julian Elischer (julian@tfs.com) * for TRW Financial Systems for use under the MACH(2.5) operating system. * * TRW Financial Systems, in accordance with their agreement with Carnegie * Mellon University, makes this software available to CMU to distribute * or use in any manner that they see fit as long as this message is kept with * the software. For this reason TFS also grants any other persons or * organisations permission to use or modify this software. * * TFS supplies this software to be publicly redistributed * on the understanding that TFS is not responsible for the correct * functioning of this software in any circumstances. * * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 * * from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $ */ #include __FBSDID("$FreeBSD$"); #include "opt_cd.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define LEADOUT 0xaa /* leadout toc entry */ struct cd_params { u_int32_t blksize; u_long disksize; }; typedef enum { CD_Q_NONE = 0x00, CD_Q_NO_TOUCH = 0x01, CD_Q_BCD_TRACKS = 0x02, CD_Q_NO_CHANGER = 0x04, CD_Q_CHANGER = 0x08, CD_Q_10_BYTE_ONLY = 0x10 } cd_quirks; #define CD_Q_BIT_STRING \ "\020" \ "\001NO_TOUCH" \ "\002BCD_TRACKS" \ "\003NO_CHANGER" \ "\004CHANGER" \ "\00510_BYTE_ONLY" typedef enum { CD_FLAG_INVALID = 0x0001, CD_FLAG_NEW_DISC = 0x0002, CD_FLAG_DISC_LOCKED = 0x0004, CD_FLAG_DISC_REMOVABLE = 0x0008, CD_FLAG_SAW_MEDIA = 0x0010, CD_FLAG_CHANGER = 0x0040, CD_FLAG_ACTIVE = 0x0080, CD_FLAG_SCHED_ON_COMP = 0x0100, CD_FLAG_RETRY_UA = 0x0200, CD_FLAG_VALID_MEDIA = 0x0400, CD_FLAG_VALID_TOC = 0x0800, CD_FLAG_SCTX_INIT = 0x1000 } cd_flags; typedef enum { CD_CCB_PROBE = 0x01, CD_CCB_BUFFER_IO = 0x02, CD_CCB_WAITING = 0x03, CD_CCB_TUR = 0x04, CD_CCB_TYPE_MASK = 0x0F, CD_CCB_RETRY_UA = 0x10 } cd_ccb_state; typedef enum { CHANGER_TIMEOUT_SCHED = 0x01, CHANGER_SHORT_TMOUT_SCHED = 0x02, CHANGER_MANUAL_CALL = 0x04, CHANGER_NEED_TIMEOUT = 0x08 } cd_changer_flags; #define ccb_state ppriv_field0 #define ccb_bp ppriv_ptr1 struct cd_tocdata { struct ioc_toc_header header; struct cd_toc_entry entries[100]; }; struct cd_toc_single { struct ioc_toc_header header; struct cd_toc_entry entry; }; typedef enum { CD_STATE_PROBE, CD_STATE_NORMAL } cd_state; struct cd_softc { cam_pinfo pinfo; cd_state state; volatile cd_flags flags; struct bio_queue_head bio_queue; LIST_HEAD(, ccb_hdr) pending_ccbs; struct cd_params params; union ccb saved_ccb; cd_quirks quirks; STAILQ_ENTRY(cd_softc) changer_links; struct cdchanger *changer; int bufs_left; struct cam_periph *periph; int minimum_command_size; int outstanding_cmds; int tur; struct task sysctl_task; struct sysctl_ctx_list sysctl_ctx; struct sysctl_oid *sysctl_tree; STAILQ_HEAD(, cd_mode_params) mode_queue; struct cd_tocdata toc; struct disk *disk; struct callout mediapoll_c; }; struct cd_page_sizes { int page; int page_size; }; static struct cd_page_sizes cd_page_size_table[] = { { AUDIO_PAGE, sizeof(struct cd_audio_page)} }; struct cd_quirk_entry { struct scsi_inquiry_pattern inq_pat; cd_quirks quirks; }; /* * The changer quirk entries aren't strictly necessary. Basically, what * they do is tell cdregister() up front that a device is a changer. * Otherwise, it will figure that fact out once it sees a LUN on the device * that is greater than 0. If it is known up front that a device is a changer, * all I/O to the device will go through the changer scheduling routines, as * opposed to the "normal" CD code. * * NOTE ON 10_BYTE_ONLY quirks: Any 10_BYTE_ONLY quirks MUST be because * your device hangs when it gets a 10 byte command. Adding a quirk just * to get rid of the informative diagnostic message is not acceptable. All * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be * referenced in a comment along with the quirk) , and must be approved by * ken@FreeBSD.org. Any quirks added that don't adhere to this policy may * be removed until the submitter can explain why they are needed. * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary) * when the CAM_NEW_TRAN_CODE work is done. */ static struct cd_quirk_entry cd_quirk_table[] = { { { T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"}, /*quirks*/ CD_Q_CHANGER }, { { T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*", "*"}, /* quirks */ CD_Q_CHANGER }, { { T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"}, /* quirks */ CD_Q_CHANGER }, { { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"}, /* quirks */ CD_Q_BCD_TRACKS } }; static disk_open_t cdopen; static disk_close_t cdclose; static disk_ioctl_t cdioctl; static disk_strategy_t cdstrategy; static periph_init_t cdinit; static periph_ctor_t cdregister; static periph_dtor_t cdcleanup; static periph_start_t cdstart; static periph_oninv_t cdoninvalidate; static void cdasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg); static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS); static void cdshorttimeout(void *arg); static void cdschedule(struct cam_periph *periph, int priority); static void cdrunchangerqueue(void *arg); static void cdchangerschedule(struct cd_softc *softc); static int cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags), u_int32_t cam_flags, u_int32_t sense_flags); static union ccb *cdgetccb(struct cam_periph *periph, u_int32_t priority); static void cddone(struct cam_periph *periph, union ccb *start_ccb); static union cd_pages *cdgetpage(struct cd_mode_params *mode_params); static int cdgetpagesize(int page_num); static void cdprevent(struct cam_periph *periph, int action); static int cdcheckmedia(struct cam_periph *periph); static int cdsize(struct cam_periph *periph, u_int32_t *size); static int cd6byteworkaround(union ccb *ccb); static int cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags); static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, u_int8_t *data, u_int32_t len, u_int32_t sense_flags); static int cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, u_int32_t page); static int cdsetmode(struct cam_periph *periph, struct cd_mode_params *data); static int cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len); static int cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, u_int32_t format, int track, struct cd_sub_channel_info *data, u_int32_t len); static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf); static int cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, u_int32_t etrack, u_int32_t eindex); static int cdpause(struct cam_periph *periph, u_int32_t go); static int cdstopunit(struct cam_periph *periph, u_int32_t eject); static int cdstartunit(struct cam_periph *periph, int load); static int cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed); static int cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo); static int cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo); static int cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct); static timeout_t cdmediapoll; static struct periph_driver cddriver = { cdinit, "cd", TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0 }; PERIPHDRIVER_DECLARE(cd, cddriver); #ifndef CD_DEFAULT_POLL_PERIOD #define CD_DEFAULT_POLL_PERIOD 3 #endif #ifndef CD_DEFAULT_RETRY #define CD_DEFAULT_RETRY 4 #endif #ifndef CD_DEFAULT_TIMEOUT #define CD_DEFAULT_TIMEOUT 30000 #endif #ifndef CHANGER_MIN_BUSY_SECONDS #define CHANGER_MIN_BUSY_SECONDS 5 #endif #ifndef CHANGER_MAX_BUSY_SECONDS #define CHANGER_MAX_BUSY_SECONDS 15 #endif static int cd_poll_period = CD_DEFAULT_POLL_PERIOD; static int cd_retry_count = CD_DEFAULT_RETRY; static int cd_timeout = CD_DEFAULT_TIMEOUT; static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS; static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS; static SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver"); static SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer"); SYSCTL_INT(_kern_cam_cd, OID_AUTO, poll_period, CTLFLAG_RW, &cd_poll_period, 0, "Media polling period in seconds"); TUNABLE_INT("kern.cam.cd.poll_period", &cd_poll_period); SYSCTL_INT(_kern_cam_cd, OID_AUTO, retry_count, CTLFLAG_RW, &cd_retry_count, 0, "Normal I/O retry count"); TUNABLE_INT("kern.cam.cd.retry_count", &cd_retry_count); SYSCTL_INT(_kern_cam_cd, OID_AUTO, timeout, CTLFLAG_RW, &cd_timeout, 0, "Timeout, in us, for read operations"); TUNABLE_INT("kern.cam.cd.timeout", &cd_timeout); SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW, &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum"); TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds); SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW, &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum"); TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds); struct cdchanger { path_id_t path_id; target_id_t target_id; int num_devices; struct camq devq; struct timeval start_time; struct cd_softc *cur_device; struct callout short_handle; struct callout long_handle; volatile cd_changer_flags flags; STAILQ_ENTRY(cdchanger) changer_links; STAILQ_HEAD(chdevlist, cd_softc) chluns; }; static struct mtx changerq_mtx; static STAILQ_HEAD(changerlist, cdchanger) changerq; static int num_changers; static MALLOC_DEFINE(M_SCSICD, "scsi_cd", "scsi_cd buffers"); static void cdinit(void) { cam_status status; mtx_init(&changerq_mtx, "cdchangerq", "SCSI CD Changer List", MTX_DEF); STAILQ_INIT(&changerq); /* * Install a global async callback. This callback will * receive async callbacks like "new device found". */ status = xpt_register_async(AC_FOUND_DEVICE, cdasync, NULL, NULL); if (status != CAM_REQ_CMP) { printf("cd: Failed to attach master async callback " "due to status 0x%x!\n", status); } } /* * Callback from GEOM, called when it has finished cleaning up its * resources. */ static void cddiskgonecb(struct disk *dp) { struct cam_periph *periph; periph = (struct cam_periph *)dp->d_drv1; cam_periph_release(periph); } static void cdoninvalidate(struct cam_periph *periph) { struct cd_softc *softc; softc = (struct cd_softc *)periph->softc; /* * De-register any async callbacks. */ xpt_register_async(0, cdasync, periph, periph->path); softc->flags |= CD_FLAG_INVALID; /* * Return all queued I/O with ENXIO. * XXX Handle any transactions queued to the card * with XPT_ABORT_CCB. */ bioq_flush(&softc->bio_queue, NULL, ENXIO); /* * If this device is part of a changer, and it was scheduled * to run, remove it from the run queue since we just nuked * all of its scheduled I/O. */ if ((softc->flags & CD_FLAG_CHANGER) && (softc->pinfo.index != CAM_UNQUEUED_INDEX)) camq_remove(&softc->changer->devq, softc->pinfo.index); disk_gone(softc->disk); - xpt_print(periph->path, "lost device, %d refs\n", periph->refcount); } static void cdcleanup(struct cam_periph *periph) { struct cd_softc *softc; softc = (struct cd_softc *)periph->softc; - - xpt_print(periph->path, "removing device entry\n"); /* * In the queued, non-active case, the device in question * has already been removed from the changer run queue. Since this * device is active, we need to de-activate it, and schedule * another device to run. (if there is another one to run) */ if ((softc->flags & CD_FLAG_CHANGER) && (softc->flags & CD_FLAG_ACTIVE)) { /* * The purpose of the short timeout is soley to determine * whether the current device has finished or not. Well, * since we're removing the active device, we know that it * is finished. So, get rid of the short timeout. * Otherwise, if we're in the time period before the short * timeout fires, and there are no other devices in the * queue to run, there won't be any other device put in the * active slot. i.e., when we call cdrunchangerqueue() * below, it won't do anything. Then, when the short * timeout fires, it'll look at the "current device", which * we are free below, and possibly panic the kernel on a * bogus pointer reference. * * The long timeout doesn't really matter, since we * decrement the qfrozen_cnt to indicate that there is * nothing in the active slot now. Therefore, there won't * be any bogus pointer references there. */ if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { callout_stop(&softc->changer->short_handle); softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; } softc->changer->devq.qfrozen_cnt--; softc->changer->flags |= CHANGER_MANUAL_CALL; cdrunchangerqueue(softc->changer); } /* * If we're removing the last device on the changer, go ahead and * remove the changer device structure. */ if ((softc->flags & CD_FLAG_CHANGER) && (--softc->changer->num_devices == 0)) { /* * Theoretically, there shouldn't be any timeouts left, but * I'm not completely sure that that will be the case. So, * it won't hurt to check and see if there are any left. */ if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) { callout_stop(&softc->changer->long_handle); softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED; } if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) { callout_stop(&softc->changer->short_handle); softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; } mtx_lock(&changerq_mtx); STAILQ_REMOVE(&changerq, softc->changer, cdchanger, changer_links); num_changers--; mtx_unlock(&changerq_mtx); xpt_print(periph->path, "removing changer entry\n"); free(softc->changer, M_DEVBUF); } cam_periph_unlock(periph); if ((softc->flags & CD_FLAG_SCTX_INIT) != 0 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { xpt_print(periph->path, "can't remove sysctl context\n"); } callout_drain(&softc->mediapoll_c); disk_destroy(softc->disk); free(softc, M_DEVBUF); cam_periph_lock(periph); } static void cdasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg) { struct cam_periph *periph; struct cd_softc *softc; periph = (struct cam_periph *)callback_arg; switch (code) { case AC_FOUND_DEVICE: { struct ccb_getdev *cgd; cam_status status; cgd = (struct ccb_getdev *)arg; if (cgd == NULL) break; if (cgd->protocol != PROTO_SCSI) break; if (SID_TYPE(&cgd->inq_data) != T_CDROM && SID_TYPE(&cgd->inq_data) != T_WORM) break; /* * Allocate a peripheral instance for * this device and start the probe * process. */ status = cam_periph_alloc(cdregister, cdoninvalidate, cdcleanup, cdstart, "cd", CAM_PERIPH_BIO, cgd->ccb_h.path, cdasync, AC_FOUND_DEVICE, cgd); if (status != CAM_REQ_CMP && status != CAM_REQ_INPROG) printf("cdasync: Unable to attach new device " "due to status 0x%x\n", status); break; } case AC_UNIT_ATTENTION: { union ccb *ccb; int error_code, sense_key, asc, ascq; softc = (struct cd_softc *)periph->softc; ccb = (union ccb *)arg; /* * Handle all media change UNIT ATTENTIONs except * our own, as they will be handled by cderror(). */ if (xpt_path_periph(ccb->ccb_h.path) != periph && scsi_extract_sense_ccb(ccb, &error_code, &sense_key, &asc, &ascq)) { if (asc == 0x28 && ascq == 0x00) disk_media_changed(softc->disk, M_NOWAIT); } cam_periph_async(periph, code, path, arg); break; } case AC_SCSI_AEN: softc = (struct cd_softc *)periph->softc; if (softc->state == CD_STATE_NORMAL && !softc->tur) { if (cam_periph_acquire(periph) == CAM_REQ_CMP) { softc->tur = 1; xpt_schedule(periph, CAM_PRIORITY_NORMAL); } } /* FALLTHROUGH */ case AC_SENT_BDR: case AC_BUS_RESET: { struct ccb_hdr *ccbh; softc = (struct cd_softc *)periph->softc; /* * Don't fail on the expected unit attention * that will occur. */ softc->flags |= CD_FLAG_RETRY_UA; LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) ccbh->ccb_state |= CD_CCB_RETRY_UA; /* FALLTHROUGH */ } default: cam_periph_async(periph, code, path, arg); break; } } static void cdsysctlinit(void *context, int pending) { struct cam_periph *periph; struct cd_softc *softc; char tmpstr[80], tmpstr2[80]; periph = (struct cam_periph *)context; if (cam_periph_acquire(periph) != CAM_REQ_CMP) return; softc = (struct cd_softc *)periph->softc; snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number); snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); sysctl_ctx_init(&softc->sysctl_ctx); softc->flags |= CD_FLAG_SCTX_INIT; softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO, tmpstr2, CTLFLAG_RD, 0, tmpstr); if (softc->sysctl_tree == NULL) { printf("cdsysctlinit: unable to allocate sysctl tree\n"); cam_periph_release(periph); return; } /* * Now register the sysctl handler, so the user can the value on * the fly. */ SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, &softc->minimum_command_size, 0, cdcmdsizesysctl, "I", "Minimum CDB size"); cam_periph_release(periph); } /* * We have a handler function for this so we can check the values when the * user sets them, instead of every time we look at them. */ static int cdcmdsizesysctl(SYSCTL_HANDLER_ARGS) { int error, value; value = *(int *)arg1; error = sysctl_handle_int(oidp, &value, 0, req); if ((error != 0) || (req->newptr == NULL)) return (error); /* * The only real values we can have here are 6 or 10. I don't * really forsee having 12 be an option at any time in the future. * So if the user sets something less than or equal to 6, we'll set * it to 6. If he sets something greater than 6, we'll set it to 10. * * I suppose we could just return an error here for the wrong values, * but I don't think it's necessary to do so, as long as we can * determine the user's intent without too much trouble. */ if (value < 6) value = 6; else if (value > 6) value = 10; *(int *)arg1 = value; return (0); } static cam_status cdregister(struct cam_periph *periph, void *arg) { struct cd_softc *softc; struct ccb_pathinq cpi; struct ccb_getdev *cgd; char tmpstr[80]; caddr_t match; cgd = (struct ccb_getdev *)arg; if (cgd == NULL) { printf("cdregister: no getdev CCB, can't register device\n"); return(CAM_REQ_CMP_ERR); } softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF, M_NOWAIT | M_ZERO); if (softc == NULL) { printf("cdregister: Unable to probe new device. " "Unable to allocate softc\n"); return(CAM_REQ_CMP_ERR); } LIST_INIT(&softc->pending_ccbs); STAILQ_INIT(&softc->mode_queue); softc->state = CD_STATE_PROBE; bioq_init(&softc->bio_queue); if (SID_IS_REMOVABLE(&cgd->inq_data)) softc->flags |= CD_FLAG_DISC_REMOVABLE; periph->softc = softc; softc->periph = periph; /* * See if this device has any quirks. */ match = cam_quirkmatch((caddr_t)&cgd->inq_data, (caddr_t)cd_quirk_table, sizeof(cd_quirk_table)/sizeof(*cd_quirk_table), sizeof(*cd_quirk_table), scsi_inquiry_match); if (match != NULL) softc->quirks = ((struct cd_quirk_entry *)match)->quirks; else softc->quirks = CD_Q_NONE; /* Check if the SIM does not want 6 byte commands */ bzero(&cpi, sizeof(cpi)); xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); cpi.ccb_h.func_code = XPT_PATH_INQ; xpt_action((union ccb *)&cpi); if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) softc->quirks |= CD_Q_10_BYTE_ONLY; TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph); /* The default is 6 byte commands, unless quirked otherwise */ if (softc->quirks & CD_Q_10_BYTE_ONLY) softc->minimum_command_size = 10; else softc->minimum_command_size = 6; /* * Refcount and block open attempts until we are setup * Can't block */ (void)cam_periph_hold(periph, PRIBIO); cam_periph_unlock(periph); /* * Load the user's default, if any. */ snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size", periph->unit_number); TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size); /* 6 and 10 are the only permissible values here. */ if (softc->minimum_command_size < 6) softc->minimum_command_size = 6; else if (softc->minimum_command_size > 6) softc->minimum_command_size = 10; /* * We need to register the statistics structure for this device, * but we don't have the blocksize yet for it. So, we register * the structure and indicate that we don't have the blocksize * yet. Unlike other SCSI peripheral drivers, we explicitly set * the device type here to be CDROM, rather than just ORing in * the device type. This is because this driver can attach to either * CDROM or WORM devices, and we want this peripheral driver to * show up in the devstat list as a CD peripheral driver, not a * WORM peripheral driver. WORM drives will also have the WORM * driver attached to them. */ softc->disk = disk_alloc(); softc->disk->d_devstat = devstat_new_entry("cd", periph->unit_number, 0, DEVSTAT_BS_UNAVAILABLE, DEVSTAT_TYPE_CDROM | XPORT_DEVSTAT_TYPE(cpi.transport), DEVSTAT_PRIORITY_CD); softc->disk->d_open = cdopen; softc->disk->d_close = cdclose; softc->disk->d_strategy = cdstrategy; softc->disk->d_gone = cddiskgonecb; softc->disk->d_ioctl = cdioctl; softc->disk->d_name = "cd"; cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor, sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr)); strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr)); cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)], cgd->inq_data.product, sizeof(cgd->inq_data.product), sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr)); softc->disk->d_unit = periph->unit_number; softc->disk->d_drv1 = periph; if (cpi.maxio == 0) softc->disk->d_maxsize = DFLTPHYS; /* traditional default */ else if (cpi.maxio > MAXPHYS) softc->disk->d_maxsize = MAXPHYS; /* for safety */ else softc->disk->d_maxsize = cpi.maxio; softc->disk->d_flags = 0; softc->disk->d_hba_vendor = cpi.hba_vendor; softc->disk->d_hba_device = cpi.hba_device; softc->disk->d_hba_subvendor = cpi.hba_subvendor; softc->disk->d_hba_subdevice = cpi.hba_subdevice; /* * Acquire a reference to the periph before we register with GEOM. * We'll release this reference once GEOM calls us back (via * dadiskgonecb()) telling us that our provider has been freed. */ if (cam_periph_acquire(periph) != CAM_REQ_CMP) { xpt_print(periph->path, "%s: lost periph during " "registration!\n", __func__); cam_periph_lock(periph); return (CAM_REQ_CMP_ERR); } disk_create(softc->disk, DISK_VERSION); cam_periph_lock(periph); /* * Add an async callback so that we get * notified if this device goes away. */ xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | AC_SCSI_AEN | AC_UNIT_ATTENTION, cdasync, periph, periph->path); /* * If the target lun is greater than 0, we most likely have a CD * changer device. Check the quirk entries as well, though, just * in case someone has a CD tower with one lun per drive or * something like that. Also, if we know up front that a * particular device is a changer, we can mark it as such starting * with lun 0, instead of lun 1. It shouldn't be necessary to have * a quirk entry to define something as a changer, however. */ if (((cgd->ccb_h.target_lun > 0) && ((softc->quirks & CD_Q_NO_CHANGER) == 0)) || ((softc->quirks & CD_Q_CHANGER) != 0)) { struct cdchanger *nchanger; struct cam_periph *nperiph; struct cam_path *path; cam_status status; int found; /* Set the changer flag in the current device's softc */ softc->flags |= CD_FLAG_CHANGER; /* * Now, look around for an existing changer device with the * same path and target ID as the current device. */ mtx_lock(&changerq_mtx); for (found = 0, nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq); nchanger != NULL; nchanger = STAILQ_NEXT(nchanger, changer_links)){ if ((nchanger->path_id == cgd->ccb_h.path_id) && (nchanger->target_id == cgd->ccb_h.target_id)) { found = 1; break; } } mtx_unlock(&changerq_mtx); /* * If we found a matching entry, just add this device to * the list of devices on this changer. */ if (found == 1) { struct chdevlist *chlunhead; chlunhead = &nchanger->chluns; /* * XXX KDM look at consolidating this code with the * code below in a separate function. */ /* * Create a path with lun id 0, and see if we can * find a matching device */ status = xpt_create_path(&path, /*periph*/ periph, cgd->ccb_h.path_id, cgd->ccb_h.target_id, 0); if ((status == CAM_REQ_CMP) && ((nperiph = cam_periph_find(path, "cd")) != NULL)){ struct cd_softc *nsoftc; nsoftc = (struct cd_softc *)nperiph->softc; if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){ nsoftc->flags |= CD_FLAG_CHANGER; nchanger->num_devices++; if (camq_resize(&nchanger->devq, nchanger->num_devices)!=CAM_REQ_CMP){ printf("cdregister: " "camq_resize " "failed, changer " "support may " "be messed up\n"); } nsoftc->changer = nchanger; nsoftc->pinfo.index =CAM_UNQUEUED_INDEX; STAILQ_INSERT_TAIL(&nchanger->chluns, nsoftc,changer_links); } xpt_free_path(path); } else if (status == CAM_REQ_CMP) xpt_free_path(path); else { printf("cdregister: unable to allocate path\n" "cdregister: changer support may be " "broken\n"); } nchanger->num_devices++; softc->changer = nchanger; softc->pinfo.index = CAM_UNQUEUED_INDEX; if (camq_resize(&nchanger->devq, nchanger->num_devices) != CAM_REQ_CMP) { printf("cdregister: camq_resize " "failed, changer support may " "be messed up\n"); } STAILQ_INSERT_TAIL(chlunhead, softc, changer_links); } /* * In this case, we don't already have an entry for this * particular changer, so we need to create one, add it to * the queue, and queue this device on the list for this * changer. Before we queue this device, however, we need * to search for lun id 0 on this target, and add it to the * queue first, if it exists. (and if it hasn't already * been marked as part of the changer.) */ else { nchanger = malloc(sizeof(struct cdchanger), M_DEVBUF, M_NOWAIT | M_ZERO); if (nchanger == NULL) { softc->flags &= ~CD_FLAG_CHANGER; printf("cdregister: unable to malloc " "changer structure\ncdregister: " "changer support disabled\n"); /* * Yes, gotos can be gross but in this case * I think it's justified.. */ goto cdregisterexit; } if (camq_init(&nchanger->devq, 1) != 0) { softc->flags &= ~CD_FLAG_CHANGER; printf("cdregister: changer support " "disabled\n"); goto cdregisterexit; } nchanger->path_id = cgd->ccb_h.path_id; nchanger->target_id = cgd->ccb_h.target_id; /* this is superfluous, but it makes things clearer */ nchanger->num_devices = 0; STAILQ_INIT(&nchanger->chluns); callout_init_mtx(&nchanger->long_handle, periph->sim->mtx, 0); callout_init_mtx(&nchanger->short_handle, periph->sim->mtx, 0); mtx_lock(&changerq_mtx); num_changers++; STAILQ_INSERT_TAIL(&changerq, nchanger, changer_links); mtx_unlock(&changerq_mtx); /* * Create a path with lun id 0, and see if we can * find a matching device */ status = xpt_create_path(&path, /*periph*/ periph, cgd->ccb_h.path_id, cgd->ccb_h.target_id, 0); /* * If we were able to allocate the path, and if we * find a matching device and it isn't already * marked as part of a changer, then we add it to * the current changer. */ if ((status == CAM_REQ_CMP) && ((nperiph = cam_periph_find(path, "cd")) != NULL) && ((((struct cd_softc *)periph->softc)->flags & CD_FLAG_CHANGER) == 0)) { struct cd_softc *nsoftc; nsoftc = (struct cd_softc *)nperiph->softc; nsoftc->flags |= CD_FLAG_CHANGER; nchanger->num_devices++; if (camq_resize(&nchanger->devq, nchanger->num_devices) != CAM_REQ_CMP) { printf("cdregister: camq_resize " "failed, changer support may " "be messed up\n"); } nsoftc->changer = nchanger; nsoftc->pinfo.index = CAM_UNQUEUED_INDEX; STAILQ_INSERT_TAIL(&nchanger->chluns, nsoftc, changer_links); xpt_free_path(path); } else if (status == CAM_REQ_CMP) xpt_free_path(path); else { printf("cdregister: unable to allocate path\n" "cdregister: changer support may be " "broken\n"); } softc->changer = nchanger; softc->pinfo.index = CAM_UNQUEUED_INDEX; nchanger->num_devices++; if (camq_resize(&nchanger->devq, nchanger->num_devices) != CAM_REQ_CMP) { printf("cdregister: camq_resize " "failed, changer support may " "be messed up\n"); } STAILQ_INSERT_TAIL(&nchanger->chluns, softc, changer_links); } } /* * Schedule a periodic media polling events. */ callout_init_mtx(&softc->mediapoll_c, periph->sim->mtx, 0); if ((softc->flags & CD_FLAG_DISC_REMOVABLE) && (softc->flags & CD_FLAG_CHANGER) == 0 && (cgd->inq_flags & SID_AEN) == 0 && cd_poll_period != 0) callout_reset(&softc->mediapoll_c, cd_poll_period * hz, cdmediapoll, periph); cdregisterexit: if ((softc->flags & CD_FLAG_CHANGER) == 0) xpt_schedule(periph, CAM_PRIORITY_DEV); else cdschedule(periph, CAM_PRIORITY_DEV); return(CAM_REQ_CMP); } static int cdopen(struct disk *dp) { struct cam_periph *periph; struct cd_softc *softc; int error; periph = (struct cam_periph *)dp->d_drv1; softc = (struct cd_softc *)periph->softc; if (cam_periph_acquire(periph) != CAM_REQ_CMP) return(ENXIO); cam_periph_lock(periph); if (softc->flags & CD_FLAG_INVALID) { cam_periph_release_locked(periph); cam_periph_unlock(periph); return(ENXIO); } if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { cam_periph_release_locked(periph); cam_periph_unlock(periph); return (error); } CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, ("cdopen\n")); /* * Check for media, and set the appropriate flags. We don't bail * if we don't have media, but then we don't allow anything but the * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media. */ cdcheckmedia(periph); CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n")); cam_periph_unhold(periph); cam_periph_unlock(periph); return (0); } static int cdclose(struct disk *dp) { struct cam_periph *periph; struct cd_softc *softc; periph = (struct cam_periph *)dp->d_drv1; softc = (struct cd_softc *)periph->softc; cam_periph_lock(periph); if (cam_periph_hold(periph, PRIBIO) != 0) { cam_periph_unlock(periph); cam_periph_release(periph); return (0); } CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, ("cdclose\n")); if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0) cdprevent(periph, PR_ALLOW); /* * Since we're closing this CD, mark the blocksize as unavailable. * It will be marked as available when the CD is opened again. */ softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; /* * We'll check the media and toc again at the next open(). */ softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); cam_periph_unhold(periph); cam_periph_release_locked(periph); cam_periph_unlock(periph); return (0); } static void cdshorttimeout(void *arg) { struct cdchanger *changer; changer = (struct cdchanger *)arg; /* Always clear the short timeout flag, since that's what we're in */ changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; /* * Check to see if there is any more pending or outstanding I/O for * this device. If not, move it out of the active slot. */ if ((bioq_first(&changer->cur_device->bio_queue) == NULL) && (changer->cur_device->outstanding_cmds == 0)) { changer->flags |= CHANGER_MANUAL_CALL; cdrunchangerqueue(changer); } } /* * This is a wrapper for xpt_schedule. It only applies to changers. */ static void cdschedule(struct cam_periph *periph, int priority) { struct cd_softc *softc; softc = (struct cd_softc *)periph->softc; /* * If this device isn't currently queued, and if it isn't * the active device, then we queue this device and run the * changer queue if there is no timeout scheduled to do it. * If this device is the active device, just schedule it * to run again. If this device is queued, there should be * a timeout in place already that will make sure it runs. */ if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) && ((softc->flags & CD_FLAG_ACTIVE) == 0)) { /* * We don't do anything with the priority here. * This is strictly a fifo queue. */ softc->pinfo.priority = CAM_PRIORITY_NORMAL; softc->pinfo.generation = ++softc->changer->devq.generation; camq_insert(&softc->changer->devq, (cam_pinfo *)softc); /* * Since we just put a device in the changer queue, * check and see if there is a timeout scheduled for * this changer. If so, let the timeout handle * switching this device into the active slot. If * not, manually call the timeout routine to * bootstrap things. */ if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){ softc->changer->flags |= CHANGER_MANUAL_CALL; cdrunchangerqueue(softc->changer); } } else if ((softc->flags & CD_FLAG_ACTIVE) && ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0)) xpt_schedule(periph, priority); } static void cdrunchangerqueue(void *arg) { struct cd_softc *softc; struct cdchanger *changer; int called_from_timeout; changer = (struct cdchanger *)arg; /* * If we have NOT been called from cdstrategy() or cddone(), and * instead from a timeout routine, go ahead and clear the * timeout flag. */ if ((changer->flags & CHANGER_MANUAL_CALL) == 0) { changer->flags &= ~CHANGER_TIMEOUT_SCHED; called_from_timeout = 1; } else called_from_timeout = 0; /* Always clear the manual call flag */ changer->flags &= ~CHANGER_MANUAL_CALL; /* nothing to do if the queue is empty */ if (changer->devq.entries <= 0) { return; } /* * If the changer queue is frozen, that means we have an active * device. */ if (changer->devq.qfrozen_cnt > 0) { /* * We always need to reset the frozen count and clear the * active flag. */ changer->devq.qfrozen_cnt--; changer->cur_device->flags &= ~CD_FLAG_ACTIVE; changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP; if (changer->cur_device->outstanding_cmds > 0) { changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP; changer->cur_device->bufs_left = changer->cur_device->outstanding_cmds; if (called_from_timeout) { callout_reset(&changer->long_handle, changer_max_busy_seconds * hz, cdrunchangerqueue, changer); changer->flags |= CHANGER_TIMEOUT_SCHED; } return; } /* * Check to see whether the current device has any I/O left * to do. If so, requeue it at the end of the queue. If * not, there is no need to requeue it. */ if (bioq_first(&changer->cur_device->bio_queue) != NULL) { changer->cur_device->pinfo.generation = ++changer->devq.generation; camq_insert(&changer->devq, (cam_pinfo *)changer->cur_device); } } softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD); changer->cur_device = softc; changer->devq.qfrozen_cnt++; softc->flags |= CD_FLAG_ACTIVE; /* Just in case this device is waiting */ wakeup(&softc->changer); xpt_schedule(softc->periph, CAM_PRIORITY_NORMAL); /* * Get rid of any pending timeouts, and set a flag to schedule new * ones so this device gets its full time quantum. */ if (changer->flags & CHANGER_TIMEOUT_SCHED) { callout_stop(&changer->long_handle); changer->flags &= ~CHANGER_TIMEOUT_SCHED; } if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) { callout_stop(&changer->short_handle); changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED; } /* * We need to schedule timeouts, but we only do this after the * first transaction has completed. This eliminates the changer * switch time. */ changer->flags |= CHANGER_NEED_TIMEOUT; } static void cdchangerschedule(struct cd_softc *softc) { struct cdchanger *changer; changer = softc->changer; /* * If this is a changer, and this is the current device, * and this device has at least the minimum time quantum to * run, see if we can switch it out. */ if ((softc->flags & CD_FLAG_ACTIVE) && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) { /* * We try three things here. The first is that we * check to see whether the schedule on completion * flag is set. If it is, we decrement the number * of buffers left, and if it's zero, we reschedule. * Next, we check to see whether the pending buffer * queue is empty and whether there are no * outstanding transactions. If so, we reschedule. * Next, we see if the pending buffer queue is empty. * If it is, we set the number of buffers left to * the current active buffer count and set the * schedule on complete flag. */ if (softc->flags & CD_FLAG_SCHED_ON_COMP) { if (--softc->bufs_left == 0) { softc->changer->flags |= CHANGER_MANUAL_CALL; softc->flags &= ~CD_FLAG_SCHED_ON_COMP; cdrunchangerqueue(softc->changer); } } else if ((bioq_first(&softc->bio_queue) == NULL) && (softc->outstanding_cmds == 0)) { softc->changer->flags |= CHANGER_MANUAL_CALL; cdrunchangerqueue(softc->changer); } } else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) && (softc->flags & CD_FLAG_ACTIVE)) { /* * Now that the first transaction to this * particular device has completed, we can go ahead * and schedule our timeouts. */ if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) { callout_reset(&changer->long_handle, changer_max_busy_seconds * hz, cdrunchangerqueue, changer); changer->flags |= CHANGER_TIMEOUT_SCHED; } else printf("cdchangerschedule: already have a long" " timeout!\n"); if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) { callout_reset(&changer->short_handle, changer_min_busy_seconds * hz, cdshorttimeout, changer); changer->flags |= CHANGER_SHORT_TMOUT_SCHED; } else printf("cdchangerschedule: already have a short " "timeout!\n"); /* * We just scheduled timeouts, no need to schedule * more. */ changer->flags &= ~CHANGER_NEED_TIMEOUT; } } static int cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags), u_int32_t cam_flags, u_int32_t sense_flags) { struct cd_softc *softc; struct cam_periph *periph; int error; periph = xpt_path_periph(ccb->ccb_h.path); softc = (struct cd_softc *)periph->softc; error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags, softc->disk->d_devstat); if (softc->flags & CD_FLAG_CHANGER) cdchangerschedule(softc); return(error); } static union ccb * cdgetccb(struct cam_periph *periph, u_int32_t priority) { struct cd_softc *softc; softc = (struct cd_softc *)periph->softc; if (softc->flags & CD_FLAG_CHANGER) { /* * This should work the first time this device is woken up, * but just in case it doesn't, we use a while loop. */ while ((softc->flags & CD_FLAG_ACTIVE) == 0) { /* * If this changer isn't already queued, queue it up. */ if (softc->pinfo.index == CAM_UNQUEUED_INDEX) { softc->pinfo.priority = CAM_PRIORITY_NORMAL; softc->pinfo.generation = ++softc->changer->devq.generation; camq_insert(&softc->changer->devq, (cam_pinfo *)softc); } if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0) && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0) && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)) { softc->changer->flags |= CHANGER_MANUAL_CALL; cdrunchangerqueue(softc->changer); } else cam_periph_sleep(periph, &softc->changer, PRIBIO, "cgticb", 0); } } return(cam_periph_getccb(periph, priority)); } /* * Actually translate the requested transfer into one the physical driver * can understand. The transfer is described by a buf and will include * only one physical transfer. */ static void cdstrategy(struct bio *bp) { struct cam_periph *periph; struct cd_softc *softc; periph = (struct cam_periph *)bp->bio_disk->d_drv1; cam_periph_lock(periph); CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("cdstrategy(%p)\n", bp)); softc = (struct cd_softc *)periph->softc; /* * If the device has been made invalid, error out */ if ((softc->flags & CD_FLAG_INVALID)) { cam_periph_unlock(periph); biofinish(bp, NULL, ENXIO); return; } /* * If we don't have valid media, look for it before trying to * schedule the I/O. */ if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) { int error; error = cdcheckmedia(periph); if (error != 0) { cam_periph_unlock(periph); biofinish(bp, NULL, error); return; } } /* * Place it in the queue of disk activities for this disk */ bioq_disksort(&softc->bio_queue, bp); /* * Schedule ourselves for performing the work. We do things * differently for changers. */ if ((softc->flags & CD_FLAG_CHANGER) == 0) xpt_schedule(periph, CAM_PRIORITY_NORMAL); else cdschedule(periph, CAM_PRIORITY_NORMAL); cam_periph_unlock(periph); return; } static void cdstart(struct cam_periph *periph, union ccb *start_ccb) { struct cd_softc *softc; struct bio *bp; struct ccb_scsiio *csio; struct scsi_read_capacity_data *rcap; softc = (struct cd_softc *)periph->softc; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n")); switch (softc->state) { case CD_STATE_NORMAL: { bp = bioq_first(&softc->bio_queue); if (periph->immediate_priority <= periph->pinfo.priority) { start_ccb->ccb_h.ccb_state = CD_CCB_WAITING; SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, periph_links.sle); periph->immediate_priority = CAM_PRIORITY_NONE; wakeup(&periph->ccb_list); } else if (bp == NULL) { if (softc->tur) { softc->tur = 0; csio = &start_ccb->csio; scsi_test_unit_ready(csio, /*retries*/ cd_retry_count, cddone, MSG_SIMPLE_Q_TAG, SSD_FULL_SIZE, cd_timeout); start_ccb->ccb_h.ccb_bp = NULL; start_ccb->ccb_h.ccb_state = CD_CCB_TUR; xpt_action(start_ccb); } else xpt_release_ccb(start_ccb); } else { if (softc->tur) { softc->tur = 0; cam_periph_release_locked(periph); } bioq_remove(&softc->bio_queue, bp); scsi_read_write(&start_ccb->csio, /*retries*/ cd_retry_count, /* cbfcnp */ cddone, MSG_SIMPLE_Q_TAG, /* read */bp->bio_cmd == BIO_READ ? SCSI_RW_READ : SCSI_RW_WRITE, /* byte2 */ 0, /* minimum_cmd_size */ 10, /* lba */ bp->bio_offset / softc->params.blksize, bp->bio_bcount / softc->params.blksize, /* data_ptr */ bp->bio_data, /* dxfer_len */ bp->bio_bcount, /* sense_len */ cd_retry_count ? SSD_FULL_SIZE : SF_NO_PRINT, /* timeout */ cd_timeout); /* Use READ CD command for audio tracks. */ if (softc->params.blksize == 2352) { start_ccb->csio.cdb_io.cdb_bytes[0] = READ_CD; start_ccb->csio.cdb_io.cdb_bytes[9] = 0xf8; start_ccb->csio.cdb_io.cdb_bytes[10] = 0; start_ccb->csio.cdb_io.cdb_bytes[11] = 0; start_ccb->csio.cdb_len = 12; } start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO; LIST_INSERT_HEAD(&softc->pending_ccbs, &start_ccb->ccb_h, periph_links.le); softc->outstanding_cmds++; /* We expect a unit attention from this device */ if ((softc->flags & CD_FLAG_RETRY_UA) != 0) { start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA; softc->flags &= ~CD_FLAG_RETRY_UA; } start_ccb->ccb_h.ccb_bp = bp; bp = bioq_first(&softc->bio_queue); xpt_action(start_ccb); } if (bp != NULL || softc->tur || periph->immediate_priority != CAM_PRIORITY_NONE) { /* Have more work to do, so ensure we stay scheduled */ xpt_schedule(periph, min(CAM_PRIORITY_NORMAL, periph->immediate_priority)); } break; } case CD_STATE_PROBE: { rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), M_SCSICD, M_NOWAIT | M_ZERO); if (rcap == NULL) { xpt_print(periph->path, "cdstart: Couldn't malloc read_capacity data\n"); /* cd_free_periph??? */ break; } csio = &start_ccb->csio; scsi_read_capacity(csio, /*retries*/ cd_retry_count, cddone, MSG_SIMPLE_Q_TAG, rcap, SSD_FULL_SIZE, /*timeout*/20000); start_ccb->ccb_h.ccb_bp = NULL; start_ccb->ccb_h.ccb_state = CD_CCB_PROBE; xpt_action(start_ccb); break; } } } static void cddone(struct cam_periph *periph, union ccb *done_ccb) { struct cd_softc *softc; struct ccb_scsiio *csio; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n")); softc = (struct cd_softc *)periph->softc; csio = &done_ccb->csio; switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) { case CD_CCB_BUFFER_IO: { struct bio *bp; int error; bp = (struct bio *)done_ccb->ccb_h.ccb_bp; error = 0; if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { int sf; if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0) sf = SF_RETRY_UA; else sf = 0; error = cderror(done_ccb, CAM_RETRY_SELTO, sf); if (error == ERESTART) { /* * A retry was scheuled, so * just return. */ return; } } if (error != 0) { xpt_print(periph->path, "cddone: got error %#x back\n", error); bioq_flush(&softc->bio_queue, NULL, EIO); bp->bio_resid = bp->bio_bcount; bp->bio_error = error; bp->bio_flags |= BIO_ERROR; if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) cam_release_devq(done_ccb->ccb_h.path, /*relsim_flags*/0, /*reduction*/0, /*timeout*/0, /*getcount_only*/0); } else { bp->bio_resid = csio->resid; bp->bio_error = 0; if (bp->bio_resid != 0) { /* * Short transfer ??? * XXX: not sure this is correct for partial * transfers at EOM */ bp->bio_flags |= BIO_ERROR; } } LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); softc->outstanding_cmds--; if (softc->flags & CD_FLAG_CHANGER) cdchangerschedule(softc); biofinish(bp, NULL, 0); break; } case CD_CCB_PROBE: { struct scsi_read_capacity_data *rdcap; char announce_buf[120]; /* * Currently (9/30/97) the * longest possible announce * buffer is 108 bytes, for the * first error case below. * That is 39 bytes for the * basic string, 16 bytes for the * biggest sense key (hardware * error), 52 bytes for the * text of the largest sense * qualifier valid for a CDROM, * (0x72, 0x03 or 0x04, * 0x03), and one byte for the * null terminating character. * To allow for longer strings, * the announce buffer is 120 * bytes. */ struct cd_params *cdp; int error; cdp = &softc->params; rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; cdp->disksize = scsi_4btoul (rdcap->addr) + 1; cdp->blksize = scsi_4btoul (rdcap->length); /* * Retry any UNIT ATTENTION type errors. They * are expected at boot. */ if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP || (error = cderror(done_ccb, CAM_RETRY_SELTO, SF_RETRY_UA | SF_NO_PRINT)) == 0) { snprintf(announce_buf, sizeof(announce_buf), "cd present [%lu x %lu byte records]", cdp->disksize, (u_long)cdp->blksize); } else { if (error == ERESTART) { /* * A retry was scheuled, so * just return. */ return; } else { int asc, ascq; int sense_key, error_code; int have_sense; cam_status status; struct ccb_getdev cgd; /* Don't wedge this device's queue */ if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) cam_release_devq(done_ccb->ccb_h.path, /*relsim_flags*/0, /*reduction*/0, /*timeout*/0, /*getcount_only*/0); status = done_ccb->ccb_h.status; xpt_setup_ccb(&cgd.ccb_h, done_ccb->ccb_h.path, CAM_PRIORITY_NORMAL); cgd.ccb_h.func_code = XPT_GDEV_TYPE; xpt_action((union ccb *)&cgd); if (scsi_extract_sense_ccb(done_ccb, &error_code, &sense_key, &asc, &ascq)) have_sense = TRUE; else have_sense = FALSE; /* * Attach to anything that claims to be a * CDROM or WORM device, as long as it * doesn't return a "Logical unit not * supported" (0x25) error. */ if ((have_sense) && (asc != 0x25) && (error_code == SSD_CURRENT_ERROR)) { const char *sense_key_desc; const char *asc_desc; scsi_sense_desc(sense_key, asc, ascq, &cgd.inq_data, &sense_key_desc, &asc_desc); snprintf(announce_buf, sizeof(announce_buf), "Attempt to query device " "size failed: %s, %s", sense_key_desc, asc_desc); } else if ((have_sense == 0) && ((status & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR) && (csio->scsi_status == SCSI_STATUS_BUSY)) { snprintf(announce_buf, sizeof(announce_buf), "Attempt to query device " "size failed: SCSI Status: %s", scsi_status_string(csio)); } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) { /* * We only print out an error for * CDROM type devices. For WORM * devices, we don't print out an * error since a few WORM devices * don't support CDROM commands. * If we have sense information, go * ahead and print it out. * Otherwise, just say that we * couldn't attach. */ /* * Just print out the error, not * the full probe message, when we * don't attach. */ if (have_sense) scsi_sense_print( &done_ccb->csio); else { xpt_print(periph->path, "got CAM status %#x\n", done_ccb->ccb_h.status); } xpt_print(periph->path, "fatal error, " "failed to attach to device\n"); /* * Invalidate this peripheral. */ cam_periph_invalidate(periph); announce_buf[0] = '\0'; } else { /* * Invalidate this peripheral. */ cam_periph_invalidate(periph); announce_buf[0] = '\0'; } } } free(rdcap, M_SCSICD); if (announce_buf[0] != '\0') { xpt_announce_periph(periph, announce_buf); xpt_announce_quirks(periph, softc->quirks, CD_Q_BIT_STRING); if (softc->flags & CD_FLAG_CHANGER) cdchangerschedule(softc); /* * Create our sysctl variables, now that we know * we have successfully attached. */ taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); } softc->state = CD_STATE_NORMAL; /* * Since our peripheral may be invalidated by an error * above or an external event, we must release our CCB * before releasing the probe lock on the peripheral. * The peripheral will only go away once the last lock * is removed, and we need it around for the CCB release * operation. */ xpt_release_ccb(done_ccb); cam_periph_unhold(periph); return; } case CD_CCB_WAITING: { /* Caller will release the CCB */ CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("trying to wakeup ccbwait\n")); wakeup(&done_ccb->ccb_h.cbfcnp); return; } case CD_CCB_TUR: { if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { if (cderror(done_ccb, CAM_RETRY_SELTO, SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) == ERESTART) return; if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) cam_release_devq(done_ccb->ccb_h.path, /*relsim_flags*/0, /*reduction*/0, /*timeout*/0, /*getcount_only*/0); } xpt_release_ccb(done_ccb); cam_periph_release_locked(periph); return; } default: break; } xpt_release_ccb(done_ccb); } static union cd_pages * cdgetpage(struct cd_mode_params *mode_params) { union cd_pages *page; if (mode_params->cdb_size == 10) page = (union cd_pages *)find_mode_page_10( (struct scsi_mode_header_10 *)mode_params->mode_buf); else page = (union cd_pages *)find_mode_page_6( (struct scsi_mode_header_6 *)mode_params->mode_buf); return (page); } static int cdgetpagesize(int page_num) { int i; for (i = 0; i < (sizeof(cd_page_size_table)/ sizeof(cd_page_size_table[0])); i++) { if (cd_page_size_table[i].page == page_num) return (cd_page_size_table[i].page_size); } return (-1); } static int cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td) { struct cam_periph *periph; struct cd_softc *softc; int nocopyout, error = 0; periph = (struct cam_periph *)dp->d_drv1; cam_periph_lock(periph); softc = (struct cd_softc *)periph->softc; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("cdioctl(%#lx)\n", cmd)); if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { cam_periph_unlock(periph); cam_periph_release(periph); return (error); } /* * If we don't have media loaded, check for it. If still don't * have media loaded, we can only do a load or eject. * * We only care whether media is loaded if this is a cd-specific ioctl * (thus the IOCGROUP check below). Note that this will break if * anyone adds any ioctls into the switch statement below that don't * have their ioctl group set to 'c'. */ if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0) && ((cmd != CDIOCCLOSE) && (cmd != CDIOCEJECT)) && (IOCGROUP(cmd) == 'c')) { error = cdcheckmedia(periph); if (error != 0) { cam_periph_unhold(periph); cam_periph_unlock(periph); return (error); } } /* * Drop the lock here so later mallocs can use WAITOK. The periph * is essentially locked still with the cam_periph_hold call above. */ cam_periph_unlock(periph); nocopyout = 0; switch (cmd) { case CDIOCPLAYTRACKS: { struct ioc_play_track *args = (struct ioc_play_track *) addr; struct cd_mode_params params; union cd_pages *page; params.alloc_len = sizeof(union cd_mode_data_6_10); params.mode_buf = malloc(params.alloc_len, M_SCSICD, M_WAITOK | M_ZERO); cam_periph_lock(periph); CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCPLAYTRACKS\n")); error = cdgetmode(periph, ¶ms, AUDIO_PAGE); if (error) { free(params.mode_buf, M_SCSICD); cam_periph_unlock(periph); break; } page = cdgetpage(¶ms); page->audio.flags &= ~CD_PA_SOTC; page->audio.flags |= CD_PA_IMMED; error = cdsetmode(periph, ¶ms); free(params.mode_buf, M_SCSICD); if (error) { cam_periph_unlock(periph); break; } /* * This was originally implemented with the PLAY * AUDIO TRACK INDEX command, but that command was * deprecated after SCSI-2. Most (all?) SCSI CDROM * drives support it but ATAPI and ATAPI-derivative * drives don't seem to support it. So we keep a * cache of the table of contents and translate * track numbers to MSF format. */ if (softc->flags & CD_FLAG_VALID_TOC) { union msf_lba *sentry, *eentry; int st, et; if (args->end_track < softc->toc.header.ending_track + 1) args->end_track++; if (args->end_track > softc->toc.header.ending_track + 1) args->end_track = softc->toc.header.ending_track + 1; st = args->start_track - softc->toc.header.starting_track; et = args->end_track - softc->toc.header.starting_track; if ((st < 0) || (et < 0) || (st > (softc->toc.header.ending_track - softc->toc.header.starting_track))) { error = EINVAL; cam_periph_unlock(periph); break; } sentry = &softc->toc.entries[st].addr; eentry = &softc->toc.entries[et].addr; error = cdplaymsf(periph, sentry->msf.minute, sentry->msf.second, sentry->msf.frame, eentry->msf.minute, eentry->msf.second, eentry->msf.frame); } else { /* * If we don't have a valid TOC, try the * play track index command. It is part of * the SCSI-2 spec, but was removed in the * MMC specs. ATAPI and ATAPI-derived * drives don't support it. */ if (softc->quirks & CD_Q_BCD_TRACKS) { args->start_track = bin2bcd(args->start_track); args->end_track = bin2bcd(args->end_track); } error = cdplaytracks(periph, args->start_track, args->start_index, args->end_track, args->end_index); } cam_periph_unlock(periph); } break; case CDIOCPLAYMSF: { struct ioc_play_msf *args = (struct ioc_play_msf *) addr; struct cd_mode_params params; union cd_pages *page; params.alloc_len = sizeof(union cd_mode_data_6_10); params.mode_buf = malloc(params.alloc_len, M_SCSICD, M_WAITOK | M_ZERO); cam_periph_lock(periph); CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCPLAYMSF\n")); error = cdgetmode(periph, ¶ms, AUDIO_PAGE); if (error) { free(params.mode_buf, M_SCSICD); cam_periph_unlock(periph); break; } page = cdgetpage(¶ms); page->audio.flags &= ~CD_PA_SOTC; page->audio.flags |= CD_PA_IMMED; error = cdsetmode(periph, ¶ms); free(params.mode_buf, M_SCSICD); if (error) { cam_periph_unlock(periph); break; } error = cdplaymsf(periph, args->start_m, args->start_s, args->start_f, args->end_m, args->end_s, args->end_f); cam_periph_unlock(periph); } break; case CDIOCPLAYBLOCKS: { struct ioc_play_blocks *args = (struct ioc_play_blocks *) addr; struct cd_mode_params params; union cd_pages *page; params.alloc_len = sizeof(union cd_mode_data_6_10); params.mode_buf = malloc(params.alloc_len, M_SCSICD, M_WAITOK | M_ZERO); cam_periph_lock(periph); CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCPLAYBLOCKS\n")); error = cdgetmode(periph, ¶ms, AUDIO_PAGE); if (error) { free(params.mode_buf, M_SCSICD); cam_periph_unlock(periph); break; } page = cdgetpage(¶ms); page->audio.flags &= ~CD_PA_SOTC; page->audio.flags |= CD_PA_IMMED; error = cdsetmode(periph, ¶ms); free(params.mode_buf, M_SCSICD); if (error) { cam_periph_unlock(periph); break; } error = cdplay(periph, args->blk, args->len); cam_periph_unlock(periph); } break; case CDIOCREADSUBCHANNEL_SYSSPACE: nocopyout = 1; /* Fallthrough */ case CDIOCREADSUBCHANNEL: { struct ioc_read_subchannel *args = (struct ioc_read_subchannel *) addr; struct cd_sub_channel_info *data; u_int32_t len = args->data_len; data = malloc(sizeof(struct cd_sub_channel_info), M_SCSICD, M_WAITOK | M_ZERO); cam_periph_lock(periph); CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCREADSUBCHANNEL\n")); if ((len > sizeof(struct cd_sub_channel_info)) || (len < sizeof(struct cd_sub_channel_header))) { printf( "scsi_cd: cdioctl: " "cdioreadsubchannel: error, len=%d\n", len); error = EINVAL; free(data, M_SCSICD); cam_periph_unlock(periph); break; } if (softc->quirks & CD_Q_BCD_TRACKS) args->track = bin2bcd(args->track); error = cdreadsubchannel(periph, args->address_format, args->data_format, args->track, data, len); if (error) { free(data, M_SCSICD); cam_periph_unlock(periph); break; } if (softc->quirks & CD_Q_BCD_TRACKS) data->what.track_info.track_number = bcd2bin(data->what.track_info.track_number); len = min(len, ((data->header.data_len[0] << 8) + data->header.data_len[1] + sizeof(struct cd_sub_channel_header))); cam_periph_unlock(periph); if (nocopyout == 0) { if (copyout(data, args->data, len) != 0) { error = EFAULT; } } else { bcopy(data, args->data, len); } free(data, M_SCSICD); } break; case CDIOREADTOCHEADER: { struct ioc_toc_header *th; th = malloc(sizeof(struct ioc_toc_header), M_SCSICD, M_WAITOK | M_ZERO); cam_periph_lock(periph); CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOREADTOCHEADER\n")); error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, sizeof (*th), /*sense_flags*/SF_NO_PRINT); if (error) { free(th, M_SCSICD); cam_periph_unlock(periph); break; } if (softc->quirks & CD_Q_BCD_TRACKS) { /* we are going to have to convert the BCD * encoding on the cd to what is expected */ th->starting_track = bcd2bin(th->starting_track); th->ending_track = bcd2bin(th->ending_track); } th->len = ntohs(th->len); bcopy(th, addr, sizeof(*th)); free(th, M_SCSICD); cam_periph_unlock(periph); } break; case CDIOREADTOCENTRYS: { struct cd_tocdata *data; struct cd_toc_single *lead; struct ioc_read_toc_entry *te = (struct ioc_read_toc_entry *) addr; struct ioc_toc_header *th; u_int32_t len, readlen, idx, num; u_int32_t starting_track = te->starting_track; data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO); lead = malloc(sizeof(*lead), M_SCSICD, M_WAITOK | M_ZERO); cam_periph_lock(periph); CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOREADTOCENTRYS\n")); if (te->data_len < sizeof(struct cd_toc_entry) || (te->data_len % sizeof(struct cd_toc_entry)) != 0 || (te->address_format != CD_MSF_FORMAT && te->address_format != CD_LBA_FORMAT)) { error = EINVAL; printf("scsi_cd: error in readtocentries, " "returning EINVAL\n"); free(data, M_SCSICD); free(lead, M_SCSICD); cam_periph_unlock(periph); break; } th = &data->header; error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, sizeof (*th), /*sense_flags*/0); if (error) { free(data, M_SCSICD); free(lead, M_SCSICD); cam_periph_unlock(periph); break; } if (softc->quirks & CD_Q_BCD_TRACKS) { /* we are going to have to convert the BCD * encoding on the cd to what is expected */ th->starting_track = bcd2bin(th->starting_track); th->ending_track = bcd2bin(th->ending_track); } if (starting_track == 0) starting_track = th->starting_track; else if (starting_track == LEADOUT) starting_track = th->ending_track + 1; else if (starting_track < th->starting_track || starting_track > th->ending_track + 1) { printf("scsi_cd: error in readtocentries, " "returning EINVAL\n"); free(data, M_SCSICD); free(lead, M_SCSICD); cam_periph_unlock(periph); error = EINVAL; break; } /* calculate reading length without leadout entry */ readlen = (th->ending_track - starting_track + 1) * sizeof(struct cd_toc_entry); /* and with leadout entry */ len = readlen + sizeof(struct cd_toc_entry); if (te->data_len < len) { len = te->data_len; if (readlen > len) readlen = len; } if (len > sizeof(data->entries)) { printf("scsi_cd: error in readtocentries, " "returning EINVAL\n"); error = EINVAL; free(data, M_SCSICD); free(lead, M_SCSICD); cam_periph_unlock(periph); break; } num = len / sizeof(struct cd_toc_entry); if (readlen > 0) { error = cdreadtoc(periph, te->address_format, starting_track, (u_int8_t *)data, readlen + sizeof (*th), /*sense_flags*/0); if (error) { free(data, M_SCSICD); free(lead, M_SCSICD); cam_periph_unlock(periph); break; } } /* make leadout entry if needed */ idx = starting_track + num - 1; if (softc->quirks & CD_Q_BCD_TRACKS) th->ending_track = bcd2bin(th->ending_track); if (idx == th->ending_track + 1) { error = cdreadtoc(periph, te->address_format, LEADOUT, (u_int8_t *)lead, sizeof(*lead), /*sense_flags*/0); if (error) { free(data, M_SCSICD); free(lead, M_SCSICD); cam_periph_unlock(periph); break; } data->entries[idx - starting_track] = lead->entry; } if (softc->quirks & CD_Q_BCD_TRACKS) { for (idx = 0; idx < num - 1; idx++) { data->entries[idx].track = bcd2bin(data->entries[idx].track); } } cam_periph_unlock(periph); error = copyout(data->entries, te->data, len); free(data, M_SCSICD); free(lead, M_SCSICD); } break; case CDIOREADTOCENTRY: { struct cd_toc_single *data; struct ioc_read_toc_single_entry *te = (struct ioc_read_toc_single_entry *) addr; struct ioc_toc_header *th; u_int32_t track; data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO); cam_periph_lock(periph); CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOREADTOCENTRY\n")); if (te->address_format != CD_MSF_FORMAT && te->address_format != CD_LBA_FORMAT) { printf("error in readtocentry, " " returning EINVAL\n"); free(data, M_SCSICD); error = EINVAL; cam_periph_unlock(periph); break; } th = &data->header; error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, sizeof (*th), /*sense_flags*/0); if (error) { free(data, M_SCSICD); cam_periph_unlock(periph); break; } if (softc->quirks & CD_Q_BCD_TRACKS) { /* we are going to have to convert the BCD * encoding on the cd to what is expected */ th->starting_track = bcd2bin(th->starting_track); th->ending_track = bcd2bin(th->ending_track); } track = te->track; if (track == 0) track = th->starting_track; else if (track == LEADOUT) /* OK */; else if (track < th->starting_track || track > th->ending_track + 1) { printf("error in readtocentry, " " returning EINVAL\n"); free(data, M_SCSICD); error = EINVAL; cam_periph_unlock(periph); break; } error = cdreadtoc(periph, te->address_format, track, (u_int8_t *)data, sizeof(*data), /*sense_flags*/0); if (error) { free(data, M_SCSICD); cam_periph_unlock(periph); break; } if (softc->quirks & CD_Q_BCD_TRACKS) data->entry.track = bcd2bin(data->entry.track); bcopy(&data->entry, &te->entry, sizeof(struct cd_toc_entry)); free(data, M_SCSICD); cam_periph_unlock(periph); } break; case CDIOCSETPATCH: { struct ioc_patch *arg = (struct ioc_patch *)addr; struct cd_mode_params params; union cd_pages *page; params.alloc_len = sizeof(union cd_mode_data_6_10); params.mode_buf = malloc(params.alloc_len, M_SCSICD, M_WAITOK | M_ZERO); cam_periph_lock(periph); CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCSETPATCH\n")); error = cdgetmode(periph, ¶ms, AUDIO_PAGE); if (error) { free(params.mode_buf, M_SCSICD); cam_periph_unlock(periph); break; } page = cdgetpage(¶ms); page->audio.port[LEFT_PORT].channels = arg->patch[0]; page->audio.port[RIGHT_PORT].channels = arg->patch[1]; page->audio.port[2].channels = arg->patch[2]; page->audio.port[3].channels = arg->patch[3]; error = cdsetmode(periph, ¶ms); free(params.mode_buf, M_SCSICD); cam_periph_unlock(periph); } break; case CDIOCGETVOL: { struct ioc_vol *arg = (struct ioc_vol *) addr; struct cd_mode_params params; union cd_pages *page; params.alloc_len = sizeof(union cd_mode_data_6_10); params.mode_buf = malloc(params.alloc_len, M_SCSICD, M_WAITOK | M_ZERO); cam_periph_lock(periph); CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCGETVOL\n")); error = cdgetmode(periph, ¶ms, AUDIO_PAGE); if (error) { free(params.mode_buf, M_SCSICD); cam_periph_unlock(periph); break; } page = cdgetpage(¶ms); arg->vol[LEFT_PORT] = page->audio.port[LEFT_PORT].volume; arg->vol[RIGHT_PORT] = page->audio.port[RIGHT_PORT].volume; arg->vol[2] = page->audio.port[2].volume; arg->vol[3] = page->audio.port[3].volume; free(params.mode_buf, M_SCSICD); cam_periph_unlock(periph); } break; case CDIOCSETVOL: { struct ioc_vol *arg = (struct ioc_vol *) addr; struct cd_mode_params params; union cd_pages *page; params.alloc_len = sizeof(union cd_mode_data_6_10); params.mode_buf = malloc(params.alloc_len, M_SCSICD, M_WAITOK | M_ZERO); cam_periph_lock(periph); CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCSETVOL\n")); error = cdgetmode(periph, ¶ms, AUDIO_PAGE); if (error) { free(params.mode_buf, M_SCSICD); cam_periph_unlock(periph); break; } page = cdgetpage(¶ms); page->audio.port[LEFT_PORT].channels = CHANNEL_0; page->audio.port[LEFT_PORT].volume = arg->vol[LEFT_PORT]; page->audio.port[RIGHT_PORT].channels = CHANNEL_1; page->audio.port[RIGHT_PORT].volume = arg->vol[RIGHT_PORT]; page->audio.port[2].volume = arg->vol[2]; page->audio.port[3].volume = arg->vol[3]; error = cdsetmode(periph, ¶ms); cam_periph_unlock(periph); free(params.mode_buf, M_SCSICD); } break; case CDIOCSETMONO: { struct cd_mode_params params; union cd_pages *page; params.alloc_len = sizeof(union cd_mode_data_6_10); params.mode_buf = malloc(params.alloc_len, M_SCSICD, M_WAITOK | M_ZERO); cam_periph_lock(periph); CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCSETMONO\n")); error = cdgetmode(periph, ¶ms, AUDIO_PAGE); if (error) { free(params.mode_buf, M_SCSICD); cam_periph_unlock(periph); break; } page = cdgetpage(¶ms); page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL | RIGHT_CHANNEL; page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL | RIGHT_CHANNEL; page->audio.port[2].channels = 0; page->audio.port[3].channels = 0; error = cdsetmode(periph, ¶ms); cam_periph_unlock(periph); free(params.mode_buf, M_SCSICD); } break; case CDIOCSETSTEREO: { struct cd_mode_params params; union cd_pages *page; params.alloc_len = sizeof(union cd_mode_data_6_10); params.mode_buf = malloc(params.alloc_len, M_SCSICD, M_WAITOK | M_ZERO); cam_periph_lock(periph); CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCSETSTEREO\n")); error = cdgetmode(periph, ¶ms, AUDIO_PAGE); if (error) { free(params.mode_buf, M_SCSICD); cam_periph_unlock(periph); break; } page = cdgetpage(¶ms); page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; page->audio.port[2].channels = 0; page->audio.port[3].channels = 0; error = cdsetmode(periph, ¶ms); free(params.mode_buf, M_SCSICD); cam_periph_unlock(periph); } break; case CDIOCSETMUTE: { struct cd_mode_params params; union cd_pages *page; params.alloc_len = sizeof(union cd_mode_data_6_10); params.mode_buf = malloc(params.alloc_len, M_SCSICD, M_WAITOK | M_ZERO); cam_periph_lock(periph); CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCSETMUTE\n")); error = cdgetmode(periph, ¶ms, AUDIO_PAGE); if (error) { free(params.mode_buf, M_SCSICD); cam_periph_unlock(periph); break; } page = cdgetpage(¶ms); page->audio.port[LEFT_PORT].channels = 0; page->audio.port[RIGHT_PORT].channels = 0; page->audio.port[2].channels = 0; page->audio.port[3].channels = 0; error = cdsetmode(periph, ¶ms); free(params.mode_buf, M_SCSICD); cam_periph_unlock(periph); } break; case CDIOCSETLEFT: { struct cd_mode_params params; union cd_pages *page; params.alloc_len = sizeof(union cd_mode_data_6_10); params.mode_buf = malloc(params.alloc_len, M_SCSICD, M_WAITOK | M_ZERO); cam_periph_lock(periph); CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCSETLEFT\n")); error = cdgetmode(periph, ¶ms, AUDIO_PAGE); if (error) { free(params.mode_buf, M_SCSICD); cam_periph_unlock(periph); break; } page = cdgetpage(¶ms); page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL; page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL; page->audio.port[2].channels = 0; page->audio.port[3].channels = 0; error = cdsetmode(periph, ¶ms); free(params.mode_buf, M_SCSICD); cam_periph_unlock(periph); } break; case CDIOCSETRIGHT: { struct cd_mode_params params; union cd_pages *page; params.alloc_len = sizeof(union cd_mode_data_6_10); params.mode_buf = malloc(params.alloc_len, M_SCSICD, M_WAITOK | M_ZERO); cam_periph_lock(periph); CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("trying to do CDIOCSETRIGHT\n")); error = cdgetmode(periph, ¶ms, AUDIO_PAGE); if (error) { free(params.mode_buf, M_SCSICD); cam_periph_unlock(periph); break; } page = cdgetpage(¶ms); page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL; page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL; page->audio.port[2].channels = 0; page->audio.port[3].channels = 0; error = cdsetmode(periph, ¶ms); free(params.mode_buf, M_SCSICD); cam_periph_unlock(periph); } break; case CDIOCRESUME: cam_periph_lock(periph); error = cdpause(periph, 1); cam_periph_unlock(periph); break; case CDIOCPAUSE: cam_periph_lock(periph); error = cdpause(periph, 0); cam_periph_unlock(periph); break; case CDIOCSTART: cam_periph_lock(periph); error = cdstartunit(periph, 0); cam_periph_unlock(periph); break; case CDIOCCLOSE: cam_periph_lock(periph); error = cdstartunit(periph, 1); cam_periph_unlock(periph); break; case CDIOCSTOP: cam_periph_lock(periph); error = cdstopunit(periph, 0); cam_periph_unlock(periph); break; case CDIOCEJECT: cam_periph_lock(periph); error = cdstopunit(periph, 1); cam_periph_unlock(periph); break; case CDIOCALLOW: cam_periph_lock(periph); cdprevent(periph, PR_ALLOW); cam_periph_unlock(periph); break; case CDIOCPREVENT: cam_periph_lock(periph); cdprevent(periph, PR_PREVENT); cam_periph_unlock(periph); break; case CDIOCSETDEBUG: /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */ error = ENOTTY; break; case CDIOCCLRDEBUG: /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */ error = ENOTTY; break; case CDIOCRESET: /* return (cd_reset(periph)); */ error = ENOTTY; break; case CDRIOCREADSPEED: cam_periph_lock(periph); error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED); cam_periph_unlock(periph); break; case CDRIOCWRITESPEED: cam_periph_lock(periph); error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr); cam_periph_unlock(periph); break; case CDRIOCGETBLOCKSIZE: *(int *)addr = softc->params.blksize; break; case CDRIOCSETBLOCKSIZE: if (*(int *)addr <= 0) { error = EINVAL; break; } softc->disk->d_sectorsize = softc->params.blksize = *(int *)addr; break; case DVDIOCSENDKEY: case DVDIOCREPORTKEY: { struct dvd_authinfo *authinfo; authinfo = (struct dvd_authinfo *)addr; if (cmd == DVDIOCREPORTKEY) error = cdreportkey(periph, authinfo); else error = cdsendkey(periph, authinfo); break; } case DVDIOCREADSTRUCTURE: { struct dvd_struct *dvdstruct; dvdstruct = (struct dvd_struct *)addr; error = cdreaddvdstructure(periph, dvdstruct); break; } default: cam_periph_lock(periph); error = cam_periph_ioctl(periph, cmd, addr, cderror); cam_periph_unlock(periph); break; } cam_periph_lock(periph); cam_periph_unhold(periph); CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n")); if (error && bootverbose) { printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error); } cam_periph_unlock(periph); return (error); } static void cdprevent(struct cam_periph *periph, int action) { union ccb *ccb; struct cd_softc *softc; int error; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n")); softc = (struct cd_softc *)periph->softc; if (((action == PR_ALLOW) && (softc->flags & CD_FLAG_DISC_LOCKED) == 0) || ((action == PR_PREVENT) && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) { return; } ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); scsi_prevent(&ccb->csio, /*retries*/ cd_retry_count, cddone, MSG_SIMPLE_Q_TAG, action, SSD_FULL_SIZE, /* timeout */60000); error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); xpt_release_ccb(ccb); if (error == 0) { if (action == PR_ALLOW) softc->flags &= ~CD_FLAG_DISC_LOCKED; else softc->flags |= CD_FLAG_DISC_LOCKED; } } /* * XXX: the disk media and sector size is only really able to change * XXX: while the device is closed. */ static int cdcheckmedia(struct cam_periph *periph) { struct cd_softc *softc; struct ioc_toc_header *toch; struct cd_toc_single leadout; u_int32_t size, toclen; int error, num_entries, cdindex; softc = (struct cd_softc *)periph->softc; cdprevent(periph, PR_PREVENT); softc->disk->d_sectorsize = 2048; softc->disk->d_mediasize = 0; /* * Get the disc size and block size. If we can't get it, we don't * have media, most likely. */ if ((error = cdsize(periph, &size)) != 0) { softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC); cdprevent(periph, PR_ALLOW); return (error); } else { softc->flags |= CD_FLAG_SAW_MEDIA | CD_FLAG_VALID_MEDIA; softc->disk->d_sectorsize = softc->params.blksize; softc->disk->d_mediasize = (off_t)softc->params.blksize * softc->params.disksize; } /* * Now we check the table of contents. This (currently) is only * used for the CDIOCPLAYTRACKS ioctl. It may be used later to do * things like present a separate entry in /dev for each track, * like that acd(4) driver does. */ bzero(&softc->toc, sizeof(softc->toc)); toch = &softc->toc.header; /* * We will get errors here for media that doesn't have a table of * contents. According to the MMC-3 spec: "When a Read TOC/PMA/ATIP * command is presented for a DDCD/CD-R/RW media, where the first TOC * has not been recorded (no complete session) and the Format codes * 0000b, 0001b, or 0010b are specified, this command shall be rejected * with an INVALID FIELD IN CDB. Devices that are not capable of * reading an incomplete session on DDC/CD-R/RW media shall report * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT." * * So this isn't fatal if we can't read the table of contents, it * just means that the user won't be able to issue the play tracks * ioctl, and likely lots of other stuff won't work either. They * need to burn the CD before we can do a whole lot with it. So * we don't print anything here if we get an error back. */ error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch), SF_NO_PRINT); /* * Errors in reading the table of contents aren't fatal, we just * won't have a valid table of contents cached. */ if (error != 0) { error = 0; bzero(&softc->toc, sizeof(softc->toc)); goto bailout; } if (softc->quirks & CD_Q_BCD_TRACKS) { toch->starting_track = bcd2bin(toch->starting_track); toch->ending_track = bcd2bin(toch->ending_track); } /* Number of TOC entries, plus leadout */ num_entries = (toch->ending_track - toch->starting_track) + 2; if (num_entries <= 0) goto bailout; toclen = num_entries * sizeof(struct cd_toc_entry); error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track, (u_int8_t *)&softc->toc, toclen + sizeof(*toch), SF_NO_PRINT); if (error != 0) { error = 0; bzero(&softc->toc, sizeof(softc->toc)); goto bailout; } if (softc->quirks & CD_Q_BCD_TRACKS) { toch->starting_track = bcd2bin(toch->starting_track); toch->ending_track = bcd2bin(toch->ending_track); } /* * XXX KDM is this necessary? Probably only if the drive doesn't * return leadout information with the table of contents. */ cdindex = toch->starting_track + num_entries -1; if (cdindex == toch->ending_track + 1) { error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, (u_int8_t *)&leadout, sizeof(leadout), SF_NO_PRINT); if (error != 0) { error = 0; goto bailout; } softc->toc.entries[cdindex - toch->starting_track] = leadout.entry; } if (softc->quirks & CD_Q_BCD_TRACKS) { for (cdindex = 0; cdindex < num_entries - 1; cdindex++) { softc->toc.entries[cdindex].track = bcd2bin(softc->toc.entries[cdindex].track); } } softc->flags |= CD_FLAG_VALID_TOC; /* If the first track is audio, correct sector size. */ if ((softc->toc.entries[0].control & 4) == 0) { softc->disk->d_sectorsize = softc->params.blksize = 2352; softc->disk->d_mediasize = (off_t)softc->params.blksize * softc->params.disksize; } bailout: /* * We unconditionally (re)set the blocksize each time the * CD device is opened. This is because the CD can change, * and therefore the blocksize might change. * XXX problems here if some slice or partition is still * open with the old size? */ if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0) softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; softc->disk->d_devstat->block_size = softc->params.blksize; return (error); } static int cdsize(struct cam_periph *periph, u_int32_t *size) { struct cd_softc *softc; union ccb *ccb; struct scsi_read_capacity_data *rcap_buf; int error; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n")); softc = (struct cd_softc *)periph->softc; ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); /* XXX Should be M_WAITOK */ rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), M_SCSICD, M_NOWAIT | M_ZERO); if (rcap_buf == NULL) return (ENOMEM); scsi_read_capacity(&ccb->csio, /*retries*/ cd_retry_count, cddone, MSG_SIMPLE_Q_TAG, rcap_buf, SSD_FULL_SIZE, /* timeout */20000); error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT); xpt_release_ccb(ccb); softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1; softc->params.blksize = scsi_4btoul(rcap_buf->length); /* Make sure we got at least some block size. */ if (error == 0 && softc->params.blksize == 0) error = EIO; /* * SCSI-3 mandates that the reported blocksize shall be 2048. * Older drives sometimes report funny values, trim it down to * 2048, or other parts of the kernel will get confused. * * XXX we leave drives alone that might report 512 bytes, as * well as drives reporting more weird sizes like perhaps 4K. */ if (softc->params.blksize > 2048 && softc->params.blksize <= 2352) softc->params.blksize = 2048; free(rcap_buf, M_SCSICD); *size = softc->params.disksize; return (error); } static int cd6byteworkaround(union ccb *ccb) { u_int8_t *cdb; struct cam_periph *periph; struct cd_softc *softc; struct cd_mode_params *params; int frozen, found; periph = xpt_path_periph(ccb->ccb_h.path); softc = (struct cd_softc *)periph->softc; cdb = ccb->csio.cdb_io.cdb_bytes; if ((ccb->ccb_h.flags & CAM_CDB_POINTER) || ((cdb[0] != MODE_SENSE_6) && (cdb[0] != MODE_SELECT_6))) return (0); /* * Because there is no convenient place to stash the overall * cd_mode_params structure pointer, we have to grab it like this. * This means that ALL MODE_SENSE and MODE_SELECT requests in the * cd(4) driver MUST go through cdgetmode() and cdsetmode()! * * XXX It would be nice if, at some point, we could increase the * number of available peripheral private pointers. Both pointers * are currently used in most every peripheral driver. */ found = 0; STAILQ_FOREACH(params, &softc->mode_queue, links) { if (params->mode_buf == ccb->csio.data_ptr) { found = 1; break; } } /* * This shouldn't happen. All mode sense and mode select * operations in the cd(4) driver MUST go through cdgetmode() and * cdsetmode()! */ if (found == 0) { xpt_print(periph->path, "mode buffer not found in mode queue!\n"); return (0); } params->cdb_size = 10; softc->minimum_command_size = 10; xpt_print(ccb->ccb_h.path, "%s(6) failed, increasing minimum CDB size to 10 bytes\n", (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT"); if (cdb[0] == MODE_SENSE_6) { struct scsi_mode_sense_10 ms10; struct scsi_mode_sense_6 *ms6; int len; ms6 = (struct scsi_mode_sense_6 *)cdb; bzero(&ms10, sizeof(ms10)); ms10.opcode = MODE_SENSE_10; ms10.byte2 = ms6->byte2; ms10.page = ms6->page; /* * 10 byte mode header, block descriptor, * sizeof(union cd_pages) */ len = sizeof(struct cd_mode_data_10); ccb->csio.dxfer_len = len; scsi_ulto2b(len, ms10.length); ms10.control = ms6->control; bcopy(&ms10, cdb, 10); ccb->csio.cdb_len = 10; } else { struct scsi_mode_select_10 ms10; struct scsi_mode_select_6 *ms6; struct scsi_mode_header_6 *header6; struct scsi_mode_header_10 *header10; struct scsi_mode_page_header *page_header; int blk_desc_len, page_num, page_size, len; ms6 = (struct scsi_mode_select_6 *)cdb; bzero(&ms10, sizeof(ms10)); ms10.opcode = MODE_SELECT_10; ms10.byte2 = ms6->byte2; header6 = (struct scsi_mode_header_6 *)params->mode_buf; header10 = (struct scsi_mode_header_10 *)params->mode_buf; page_header = find_mode_page_6(header6); page_num = page_header->page_code; blk_desc_len = header6->blk_desc_len; page_size = cdgetpagesize(page_num); if (page_size != (page_header->page_length + sizeof(*page_header))) page_size = page_header->page_length + sizeof(*page_header); len = sizeof(*header10) + blk_desc_len + page_size; len = min(params->alloc_len, len); /* * Since the 6 byte parameter header is shorter than the 10 * byte parameter header, we need to copy the actual mode * page data, and the block descriptor, if any, so things wind * up in the right place. The regions will overlap, but * bcopy() does the right thing. */ bcopy(params->mode_buf + sizeof(*header6), params->mode_buf + sizeof(*header10), len - sizeof(*header10)); /* Make sure these fields are set correctly. */ scsi_ulto2b(0, header10->data_length); header10->medium_type = 0; scsi_ulto2b(blk_desc_len, header10->blk_desc_len); ccb->csio.dxfer_len = len; scsi_ulto2b(len, ms10.length); ms10.control = ms6->control; bcopy(&ms10, cdb, 10); ccb->csio.cdb_len = 10; } frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; ccb->ccb_h.status = CAM_REQUEUE_REQ; xpt_action(ccb); if (frozen) { cam_release_devq(ccb->ccb_h.path, /*relsim_flags*/0, /*openings*/0, /*timeout*/0, /*getcount_only*/0); } return (ERESTART); } static int cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) { struct cd_softc *softc; struct cam_periph *periph; int error, error_code, sense_key, asc, ascq; periph = xpt_path_periph(ccb->ccb_h.path); softc = (struct cd_softc *)periph->softc; error = 0; /* * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte * CDB comes back with this particular error, try transforming it * into the 10 byte version. */ if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { error = cd6byteworkaround(ccb); } else if (scsi_extract_sense_ccb(ccb, &error_code, &sense_key, &asc, &ascq)) { if (sense_key == SSD_KEY_ILLEGAL_REQUEST) error = cd6byteworkaround(ccb); else if (sense_key == SSD_KEY_UNIT_ATTENTION && asc == 0x28 && ascq == 0x00) disk_media_changed(softc->disk, M_NOWAIT); else if (sense_key == SSD_KEY_NOT_READY && asc == 0x3a && (softc->flags & CD_FLAG_SAW_MEDIA)) { softc->flags &= ~CD_FLAG_SAW_MEDIA; disk_media_gone(softc->disk, M_NOWAIT); } } if (error == ERESTART) return (error); /* * XXX * Until we have a better way of doing pack validation, * don't treat UAs as errors. */ sense_flags |= SF_RETRY_UA; return (cam_periph_error(ccb, cam_flags, sense_flags, &softc->saved_ccb)); } static void cdmediapoll(void *arg) { struct cam_periph *periph = arg; struct cd_softc *softc = periph->softc; if (softc->flags & CD_FLAG_CHANGER) return; if (softc->state == CD_STATE_NORMAL && !softc->tur && softc->outstanding_cmds == 0) { if (cam_periph_acquire(periph) == CAM_REQ_CMP) { softc->tur = 1; xpt_schedule(periph, CAM_PRIORITY_NORMAL); } } /* Queue us up again */ if (cd_poll_period != 0) callout_schedule(&softc->mediapoll_c, cd_poll_period * hz); } /* * Read table of contents */ static int cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, u_int8_t *data, u_int32_t len, u_int32_t sense_flags) { struct scsi_read_toc *scsi_cmd; u_int32_t ntoc; struct ccb_scsiio *csio; union ccb *ccb; int error; ntoc = len; error = 0; ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); csio = &ccb->csio; cam_fill_csio(csio, /* retries */ cd_retry_count, /* cbfcnp */ cddone, /* flags */ CAM_DIR_IN, /* tag_action */ MSG_SIMPLE_Q_TAG, /* data_ptr */ data, /* dxfer_len */ len, /* sense_len */ SSD_FULL_SIZE, sizeof(struct scsi_read_toc), /* timeout */ 50000); scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes; bzero (scsi_cmd, sizeof(*scsi_cmd)); if (mode == CD_MSF_FORMAT) scsi_cmd->byte2 |= CD_MSF; scsi_cmd->from_track = start; /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */ scsi_cmd->data_len[0] = (ntoc) >> 8; scsi_cmd->data_len[1] = (ntoc) & 0xff; scsi_cmd->op_code = READ_TOC; error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, /*sense_flags*/SF_RETRY_UA | sense_flags); xpt_release_ccb(ccb); return(error); } static int cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, u_int32_t format, int track, struct cd_sub_channel_info *data, u_int32_t len) { struct scsi_read_subchannel *scsi_cmd; struct ccb_scsiio *csio; union ccb *ccb; int error; error = 0; ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); csio = &ccb->csio; cam_fill_csio(csio, /* retries */ cd_retry_count, /* cbfcnp */ cddone, /* flags */ CAM_DIR_IN, /* tag_action */ MSG_SIMPLE_Q_TAG, /* data_ptr */ (u_int8_t *)data, /* dxfer_len */ len, /* sense_len */ SSD_FULL_SIZE, sizeof(struct scsi_read_subchannel), /* timeout */ 50000); scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes; bzero (scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->op_code = READ_SUBCHANNEL; if (mode == CD_MSF_FORMAT) scsi_cmd->byte1 |= CD_MSF; scsi_cmd->byte2 = SRS_SUBQ; scsi_cmd->subchan_format = format; scsi_cmd->track = track; scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len); scsi_cmd->control = 0; error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, /*sense_flags*/SF_RETRY_UA); xpt_release_ccb(ccb); return(error); } /* * All MODE_SENSE requests in the cd(4) driver MUST go through this * routine. See comments in cd6byteworkaround() for details. */ static int cdgetmode(struct cam_periph *periph, struct cd_mode_params *data, u_int32_t page) { struct ccb_scsiio *csio; struct cd_softc *softc; union ccb *ccb; int param_len; int error; softc = (struct cd_softc *)periph->softc; ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); csio = &ccb->csio; data->cdb_size = softc->minimum_command_size; if (data->cdb_size < 10) param_len = sizeof(struct cd_mode_data); else param_len = sizeof(struct cd_mode_data_10); /* Don't say we've got more room than we actually allocated */ param_len = min(param_len, data->alloc_len); scsi_mode_sense_len(csio, /* retries */ cd_retry_count, /* cbfcnp */ cddone, /* tag_action */ MSG_SIMPLE_Q_TAG, /* dbd */ 0, /* page_code */ SMS_PAGE_CTRL_CURRENT, /* page */ page, /* param_buf */ data->mode_buf, /* param_len */ param_len, /* minimum_cmd_size */ softc->minimum_command_size, /* sense_len */ SSD_FULL_SIZE, /* timeout */ 50000); /* * It would be nice not to have to do this, but there's no * available pointer in the CCB that would allow us to stuff the * mode params structure in there and retrieve it in * cd6byteworkaround(), so we can set the cdb size. The cdb size * lets the caller know what CDB size we ended up using, so they * can find the actual mode page offset. */ STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, /*sense_flags*/SF_RETRY_UA); xpt_release_ccb(ccb); STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); /* * This is a bit of belt-and-suspenders checking, but if we run * into a situation where the target sends back multiple block * descriptors, we might not have enough space in the buffer to * see the whole mode page. Better to return an error than * potentially access memory beyond our malloced region. */ if (error == 0) { u_int32_t data_len; if (data->cdb_size == 10) { struct scsi_mode_header_10 *hdr10; hdr10 = (struct scsi_mode_header_10 *)data->mode_buf; data_len = scsi_2btoul(hdr10->data_length); data_len += sizeof(hdr10->data_length); } else { struct scsi_mode_header_6 *hdr6; hdr6 = (struct scsi_mode_header_6 *)data->mode_buf; data_len = hdr6->data_length; data_len += sizeof(hdr6->data_length); } /* * Complain if there is more mode data available than we * allocated space for. This could potentially happen if * we miscalculated the page length for some reason, if the * drive returns multiple block descriptors, or if it sets * the data length incorrectly. */ if (data_len > data->alloc_len) { xpt_print(periph->path, "allocated modepage %d length " "%d < returned length %d\n", page, data->alloc_len, data_len); error = ENOSPC; } } return (error); } /* * All MODE_SELECT requests in the cd(4) driver MUST go through this * routine. See comments in cd6byteworkaround() for details. */ static int cdsetmode(struct cam_periph *periph, struct cd_mode_params *data) { struct ccb_scsiio *csio; struct cd_softc *softc; union ccb *ccb; int cdb_size, param_len; int error; softc = (struct cd_softc *)periph->softc; ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); csio = &ccb->csio; error = 0; /* * If the data is formatted for the 10 byte version of the mode * select parameter list, we need to use the 10 byte CDB. * Otherwise, we use whatever the stored minimum command size. */ if (data->cdb_size == 10) cdb_size = data->cdb_size; else cdb_size = softc->minimum_command_size; if (cdb_size >= 10) { struct scsi_mode_header_10 *mode_header; u_int32_t data_len; mode_header = (struct scsi_mode_header_10 *)data->mode_buf; data_len = scsi_2btoul(mode_header->data_length); scsi_ulto2b(0, mode_header->data_length); /* * SONY drives do not allow a mode select with a medium_type * value that has just been returned by a mode sense; use a * medium_type of 0 (Default) instead. */ mode_header->medium_type = 0; /* * Pass back whatever the drive passed to us, plus the size * of the data length field. */ param_len = data_len + sizeof(mode_header->data_length); } else { struct scsi_mode_header_6 *mode_header; mode_header = (struct scsi_mode_header_6 *)data->mode_buf; param_len = mode_header->data_length + 1; mode_header->data_length = 0; /* * SONY drives do not allow a mode select with a medium_type * value that has just been returned by a mode sense; use a * medium_type of 0 (Default) instead. */ mode_header->medium_type = 0; } /* Don't say we've got more room than we actually allocated */ param_len = min(param_len, data->alloc_len); scsi_mode_select_len(csio, /* retries */ cd_retry_count, /* cbfcnp */ cddone, /* tag_action */ MSG_SIMPLE_Q_TAG, /* scsi_page_fmt */ 1, /* save_pages */ 0, /* param_buf */ data->mode_buf, /* param_len */ param_len, /* minimum_cmd_size */ cdb_size, /* sense_len */ SSD_FULL_SIZE, /* timeout */ 50000); /* See comments in cdgetmode() and cd6byteworkaround(). */ STAILQ_INSERT_TAIL(&softc->mode_queue, data, links); error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, /*sense_flags*/SF_RETRY_UA); xpt_release_ccb(ccb); STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links); return (error); } static int cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len) { struct ccb_scsiio *csio; union ccb *ccb; int error; u_int8_t cdb_len; error = 0; ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); csio = &ccb->csio; /* * Use the smallest possible command to perform the operation. */ if ((len & 0xffff0000) == 0) { /* * We can fit in a 10 byte cdb. */ struct scsi_play_10 *scsi_cmd; scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes; bzero (scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->op_code = PLAY_10; scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len); cdb_len = sizeof(*scsi_cmd); } else { struct scsi_play_12 *scsi_cmd; scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes; bzero (scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->op_code = PLAY_12; scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr); scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len); cdb_len = sizeof(*scsi_cmd); } cam_fill_csio(csio, /*retries*/ cd_retry_count, cddone, /*flags*/CAM_DIR_NONE, MSG_SIMPLE_Q_TAG, /*dataptr*/NULL, /*datalen*/0, /*sense_len*/SSD_FULL_SIZE, cdb_len, /*timeout*/50 * 1000); error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, /*sense_flags*/SF_RETRY_UA); xpt_release_ccb(ccb); return(error); } static int cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts, u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf) { struct scsi_play_msf *scsi_cmd; struct ccb_scsiio *csio; union ccb *ccb; int error; error = 0; ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); csio = &ccb->csio; cam_fill_csio(csio, /* retries */ cd_retry_count, /* cbfcnp */ cddone, /* flags */ CAM_DIR_NONE, /* tag_action */ MSG_SIMPLE_Q_TAG, /* data_ptr */ NULL, /* dxfer_len */ 0, /* sense_len */ SSD_FULL_SIZE, sizeof(struct scsi_play_msf), /* timeout */ 50000); scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes; bzero (scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->op_code = PLAY_MSF; scsi_cmd->start_m = startm; scsi_cmd->start_s = starts; scsi_cmd->start_f = startf; scsi_cmd->end_m = endm; scsi_cmd->end_s = ends; scsi_cmd->end_f = endf; error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, /*sense_flags*/SF_RETRY_UA); xpt_release_ccb(ccb); return(error); } static int cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex, u_int32_t etrack, u_int32_t eindex) { struct scsi_play_track *scsi_cmd; struct ccb_scsiio *csio; union ccb *ccb; int error; error = 0; ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); csio = &ccb->csio; cam_fill_csio(csio, /* retries */ cd_retry_count, /* cbfcnp */ cddone, /* flags */ CAM_DIR_NONE, /* tag_action */ MSG_SIMPLE_Q_TAG, /* data_ptr */ NULL, /* dxfer_len */ 0, /* sense_len */ SSD_FULL_SIZE, sizeof(struct scsi_play_track), /* timeout */ 50000); scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes; bzero (scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->op_code = PLAY_TRACK; scsi_cmd->start_track = strack; scsi_cmd->start_index = sindex; scsi_cmd->end_track = etrack; scsi_cmd->end_index = eindex; error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, /*sense_flags*/SF_RETRY_UA); xpt_release_ccb(ccb); return(error); } static int cdpause(struct cam_periph *periph, u_int32_t go) { struct scsi_pause *scsi_cmd; struct ccb_scsiio *csio; union ccb *ccb; int error; error = 0; ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); csio = &ccb->csio; cam_fill_csio(csio, /* retries */ cd_retry_count, /* cbfcnp */ cddone, /* flags */ CAM_DIR_NONE, /* tag_action */ MSG_SIMPLE_Q_TAG, /* data_ptr */ NULL, /* dxfer_len */ 0, /* sense_len */ SSD_FULL_SIZE, sizeof(struct scsi_pause), /* timeout */ 50000); scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes; bzero (scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->op_code = PAUSE; scsi_cmd->resume = go; error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, /*sense_flags*/SF_RETRY_UA); xpt_release_ccb(ccb); return(error); } static int cdstartunit(struct cam_periph *periph, int load) { union ccb *ccb; int error; error = 0; ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); scsi_start_stop(&ccb->csio, /* retries */ cd_retry_count, /* cbfcnp */ cddone, /* tag_action */ MSG_SIMPLE_Q_TAG, /* start */ TRUE, /* load_eject */ load, /* immediate */ FALSE, /* sense_len */ SSD_FULL_SIZE, /* timeout */ 50000); error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, /*sense_flags*/SF_RETRY_UA); xpt_release_ccb(ccb); return(error); } static int cdstopunit(struct cam_periph *periph, u_int32_t eject) { union ccb *ccb; int error; error = 0; ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); scsi_start_stop(&ccb->csio, /* retries */ cd_retry_count, /* cbfcnp */ cddone, /* tag_action */ MSG_SIMPLE_Q_TAG, /* start */ FALSE, /* load_eject */ eject, /* immediate */ FALSE, /* sense_len */ SSD_FULL_SIZE, /* timeout */ 50000); error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, /*sense_flags*/SF_RETRY_UA); xpt_release_ccb(ccb); return(error); } static int cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed) { struct scsi_set_speed *scsi_cmd; struct ccb_scsiio *csio; union ccb *ccb; int error; error = 0; ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); csio = &ccb->csio; /* Preserve old behavior: units in multiples of CDROM speed */ if (rdspeed < 177) rdspeed *= 177; if (wrspeed < 177) wrspeed *= 177; cam_fill_csio(csio, /* retries */ cd_retry_count, /* cbfcnp */ cddone, /* flags */ CAM_DIR_NONE, /* tag_action */ MSG_SIMPLE_Q_TAG, /* data_ptr */ NULL, /* dxfer_len */ 0, /* sense_len */ SSD_FULL_SIZE, sizeof(struct scsi_set_speed), /* timeout */ 50000); scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = SET_CD_SPEED; scsi_ulto2b(rdspeed, scsi_cmd->readspeed); scsi_ulto2b(wrspeed, scsi_cmd->writespeed); error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, /*sense_flags*/SF_RETRY_UA); xpt_release_ccb(ccb); return(error); } static int cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) { union ccb *ccb; u_int8_t *databuf; u_int32_t lba; int error; int length; error = 0; databuf = NULL; lba = 0; switch (authinfo->format) { case DVD_REPORT_AGID: length = sizeof(struct scsi_report_key_data_agid); break; case DVD_REPORT_CHALLENGE: length = sizeof(struct scsi_report_key_data_challenge); break; case DVD_REPORT_KEY1: length = sizeof(struct scsi_report_key_data_key1_key2); break; case DVD_REPORT_TITLE_KEY: length = sizeof(struct scsi_report_key_data_title); /* The lba field is only set for the title key */ lba = authinfo->lba; break; case DVD_REPORT_ASF: length = sizeof(struct scsi_report_key_data_asf); break; case DVD_REPORT_RPC: length = sizeof(struct scsi_report_key_data_rpc); break; case DVD_INVALIDATE_AGID: length = 0; break; default: return (EINVAL); } if (length != 0) { databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); } else databuf = NULL; cam_periph_lock(periph); ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); scsi_report_key(&ccb->csio, /* retries */ cd_retry_count, /* cbfcnp */ cddone, /* tag_action */ MSG_SIMPLE_Q_TAG, /* lba */ lba, /* agid */ authinfo->agid, /* key_format */ authinfo->format, /* data_ptr */ databuf, /* dxfer_len */ length, /* sense_len */ SSD_FULL_SIZE, /* timeout */ 50000); error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, /*sense_flags*/SF_RETRY_UA); if (error != 0) goto bailout; if (ccb->csio.resid != 0) { xpt_print(periph->path, "warning, residual for report key " "command is %d\n", ccb->csio.resid); } switch(authinfo->format) { case DVD_REPORT_AGID: { struct scsi_report_key_data_agid *agid_data; agid_data = (struct scsi_report_key_data_agid *)databuf; authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >> RKD_AGID_SHIFT; break; } case DVD_REPORT_CHALLENGE: { struct scsi_report_key_data_challenge *chal_data; chal_data = (struct scsi_report_key_data_challenge *)databuf; bcopy(chal_data->challenge_key, authinfo->keychal, min(sizeof(chal_data->challenge_key), sizeof(authinfo->keychal))); break; } case DVD_REPORT_KEY1: { struct scsi_report_key_data_key1_key2 *key1_data; key1_data = (struct scsi_report_key_data_key1_key2 *)databuf; bcopy(key1_data->key1, authinfo->keychal, min(sizeof(key1_data->key1), sizeof(authinfo->keychal))); break; } case DVD_REPORT_TITLE_KEY: { struct scsi_report_key_data_title *title_data; title_data = (struct scsi_report_key_data_title *)databuf; authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >> RKD_TITLE_CPM_SHIFT; authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >> RKD_TITLE_CP_SEC_SHIFT; authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >> RKD_TITLE_CMGS_SHIFT; bcopy(title_data->title_key, authinfo->keychal, min(sizeof(title_data->title_key), sizeof(authinfo->keychal))); break; } case DVD_REPORT_ASF: { struct scsi_report_key_data_asf *asf_data; asf_data = (struct scsi_report_key_data_asf *)databuf; authinfo->asf = asf_data->success & RKD_ASF_SUCCESS; break; } case DVD_REPORT_RPC: { struct scsi_report_key_data_rpc *rpc_data; rpc_data = (struct scsi_report_key_data_rpc *)databuf; authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >> RKD_RPC_TYPE_SHIFT; authinfo->vend_rsts = (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >> RKD_RPC_VENDOR_RESET_SHIFT; authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK; authinfo->region = rpc_data->region_mask; authinfo->rpc_scheme = rpc_data->rpc_scheme1; break; } case DVD_INVALIDATE_AGID: break; default: /* This should be impossible, since we checked above */ error = EINVAL; goto bailout; break; /* NOTREACHED */ } bailout: xpt_release_ccb(ccb); cam_periph_unlock(periph); if (databuf != NULL) free(databuf, M_DEVBUF); return(error); } static int cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo) { union ccb *ccb; u_int8_t *databuf; int length; int error; error = 0; databuf = NULL; switch(authinfo->format) { case DVD_SEND_CHALLENGE: { struct scsi_report_key_data_challenge *challenge_data; length = sizeof(*challenge_data); challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); databuf = (u_int8_t *)challenge_data; scsi_ulto2b(length - sizeof(challenge_data->data_len), challenge_data->data_len); bcopy(authinfo->keychal, challenge_data->challenge_key, min(sizeof(authinfo->keychal), sizeof(challenge_data->challenge_key))); break; } case DVD_SEND_KEY2: { struct scsi_report_key_data_key1_key2 *key2_data; length = sizeof(*key2_data); key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); databuf = (u_int8_t *)key2_data; scsi_ulto2b(length - sizeof(key2_data->data_len), key2_data->data_len); bcopy(authinfo->keychal, key2_data->key1, min(sizeof(authinfo->keychal), sizeof(key2_data->key1))); break; } case DVD_SEND_RPC: { struct scsi_send_key_data_rpc *rpc_data; length = sizeof(*rpc_data); rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); databuf = (u_int8_t *)rpc_data; scsi_ulto2b(length - sizeof(rpc_data->data_len), rpc_data->data_len); rpc_data->region_code = authinfo->region; break; } default: return (EINVAL); } cam_periph_lock(periph); ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); scsi_send_key(&ccb->csio, /* retries */ cd_retry_count, /* cbfcnp */ cddone, /* tag_action */ MSG_SIMPLE_Q_TAG, /* agid */ authinfo->agid, /* key_format */ authinfo->format, /* data_ptr */ databuf, /* dxfer_len */ length, /* sense_len */ SSD_FULL_SIZE, /* timeout */ 50000); error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, /*sense_flags*/SF_RETRY_UA); xpt_release_ccb(ccb); cam_periph_unlock(periph); if (databuf != NULL) free(databuf, M_DEVBUF); return(error); } static int cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct) { union ccb *ccb; u_int8_t *databuf; u_int32_t address; int error; int length; error = 0; databuf = NULL; /* The address is reserved for many of the formats */ address = 0; switch(dvdstruct->format) { case DVD_STRUCT_PHYSICAL: length = sizeof(struct scsi_read_dvd_struct_data_physical); break; case DVD_STRUCT_COPYRIGHT: length = sizeof(struct scsi_read_dvd_struct_data_copyright); break; case DVD_STRUCT_DISCKEY: length = sizeof(struct scsi_read_dvd_struct_data_disc_key); break; case DVD_STRUCT_BCA: length = sizeof(struct scsi_read_dvd_struct_data_bca); break; case DVD_STRUCT_MANUFACT: length = sizeof(struct scsi_read_dvd_struct_data_manufacturer); break; case DVD_STRUCT_CMI: return (ENODEV); case DVD_STRUCT_PROTDISCID: length = sizeof(struct scsi_read_dvd_struct_data_prot_discid); break; case DVD_STRUCT_DISCKEYBLOCK: length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk); break; case DVD_STRUCT_DDS: length = sizeof(struct scsi_read_dvd_struct_data_dds); break; case DVD_STRUCT_MEDIUM_STAT: length = sizeof(struct scsi_read_dvd_struct_data_medium_status); break; case DVD_STRUCT_SPARE_AREA: length = sizeof(struct scsi_read_dvd_struct_data_spare_area); break; case DVD_STRUCT_RMD_LAST: return (ENODEV); case DVD_STRUCT_RMD_RMA: return (ENODEV); case DVD_STRUCT_PRERECORDED: length = sizeof(struct scsi_read_dvd_struct_data_leadin); break; case DVD_STRUCT_UNIQUEID: length = sizeof(struct scsi_read_dvd_struct_data_disc_id); break; case DVD_STRUCT_DCB: return (ENODEV); case DVD_STRUCT_LIST: /* * This is the maximum allocation length for the READ DVD * STRUCTURE command. There's nothing in the MMC3 spec * that indicates a limit in the amount of data that can * be returned from this call, other than the limits * imposed by the 2-byte length variables. */ length = 65535; break; default: return (EINVAL); } if (length != 0) { databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO); } else databuf = NULL; cam_periph_lock(periph); ccb = cdgetccb(periph, CAM_PRIORITY_NORMAL); scsi_read_dvd_structure(&ccb->csio, /* retries */ cd_retry_count, /* cbfcnp */ cddone, /* tag_action */ MSG_SIMPLE_Q_TAG, /* lba */ address, /* layer_number */ dvdstruct->layer_num, /* key_format */ dvdstruct->format, /* agid */ dvdstruct->agid, /* data_ptr */ databuf, /* dxfer_len */ length, /* sense_len */ SSD_FULL_SIZE, /* timeout */ 50000); error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO, /*sense_flags*/SF_RETRY_UA); if (error != 0) goto bailout; switch(dvdstruct->format) { case DVD_STRUCT_PHYSICAL: { struct scsi_read_dvd_struct_data_layer_desc *inlayer; struct dvd_layer *outlayer; struct scsi_read_dvd_struct_data_physical *phys_data; phys_data = (struct scsi_read_dvd_struct_data_physical *)databuf; inlayer = &phys_data->layer_desc; outlayer = (struct dvd_layer *)&dvdstruct->data; dvdstruct->length = sizeof(*inlayer); outlayer->book_type = (inlayer->book_type_version & RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT; outlayer->book_version = (inlayer->book_type_version & RDSD_BOOK_VERSION_MASK); outlayer->disc_size = (inlayer->disc_size_max_rate & RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT; outlayer->max_rate = (inlayer->disc_size_max_rate & RDSD_MAX_RATE_MASK); outlayer->nlayers = (inlayer->layer_info & RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT; outlayer->track_path = (inlayer->layer_info & RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT; outlayer->layer_type = (inlayer->layer_info & RDSD_LAYER_TYPE_MASK); outlayer->linear_density = (inlayer->density & RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT; outlayer->track_density = (inlayer->density & RDSD_TRACK_DENSITY_MASK); outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >> RDSD_BCA_SHIFT; outlayer->start_sector = scsi_3btoul(inlayer->main_data_start); outlayer->end_sector = scsi_3btoul(inlayer->main_data_end); outlayer->end_sector_l0 = scsi_3btoul(inlayer->end_sector_layer0); break; } case DVD_STRUCT_COPYRIGHT: { struct scsi_read_dvd_struct_data_copyright *copy_data; copy_data = (struct scsi_read_dvd_struct_data_copyright *) databuf; dvdstruct->cpst = copy_data->cps_type; dvdstruct->rmi = copy_data->region_info; dvdstruct->length = 0; break; } default: /* * Tell the user what the overall length is, no matter * what we can actually fit in the data buffer. */ dvdstruct->length = length - ccb->csio.resid - sizeof(struct scsi_read_dvd_struct_data_header); /* * But only actually copy out the smaller of what we read * in or what the structure can take. */ bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header), dvdstruct->data, min(sizeof(dvdstruct->data), dvdstruct->length)); break; } bailout: xpt_release_ccb(ccb); cam_periph_unlock(periph); if (databuf != NULL) free(databuf, M_DEVBUF); return(error); } void scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int32_t lba, u_int8_t agid, u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, u_int32_t timeout) { struct scsi_report_key *scsi_cmd; scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = REPORT_KEY; scsi_ulto4b(lba, scsi_cmd->lba); scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | (key_format & RK_KF_KEYFORMAT_MASK); cam_fill_csio(csio, retries, cbfcnp, /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN, tag_action, /*data_ptr*/ data_ptr, /*dxfer_len*/ dxfer_len, sense_len, sizeof(*scsi_cmd), timeout); } void scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int8_t agid, u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, u_int32_t timeout) { struct scsi_send_key *scsi_cmd; scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = SEND_KEY; scsi_ulto2b(dxfer_len, scsi_cmd->param_len); scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) | (key_format & RK_KF_KEYFORMAT_MASK); cam_fill_csio(csio, retries, cbfcnp, /*flags*/ CAM_DIR_OUT, tag_action, /*data_ptr*/ data_ptr, /*dxfer_len*/ dxfer_len, sense_len, sizeof(*scsi_cmd), timeout); } void scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int32_t address, u_int8_t layer_number, u_int8_t format, u_int8_t agid, u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, u_int32_t timeout) { struct scsi_read_dvd_structure *scsi_cmd; scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = READ_DVD_STRUCTURE; scsi_ulto4b(address, scsi_cmd->address); scsi_cmd->layer_number = layer_number; scsi_cmd->format = format; scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len); /* The AGID is the top two bits of this byte */ scsi_cmd->agid = agid << 6; cam_fill_csio(csio, retries, cbfcnp, /*flags*/ CAM_DIR_IN, tag_action, /*data_ptr*/ data_ptr, /*dxfer_len*/ dxfer_len, sense_len, sizeof(*scsi_cmd), timeout); } Index: stable/9/sys/cam/scsi/scsi_ch.c =================================================================== --- stable/9/sys/cam/scsi/scsi_ch.c (revision 257049) +++ stable/9/sys/cam/scsi/scsi_ch.c (revision 257050) @@ -1,1954 +1,1949 @@ /*- * Copyright (c) 1997 Justin T. Gibbs. * Copyright (c) 1997, 1998, 1999 Kenneth D. Merry. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Derived from the NetBSD SCSI changer driver. * * $NetBSD: ch.c,v 1.32 1998/01/12 09:49:12 thorpej Exp $ * */ /*- * Copyright (c) 1996, 1997 Jason R. Thorpe * All rights reserved. * * Partially based on an autochanger driver written by Stefan Grefen * and on an autochanger driver written by the Systems Programming Group * at the University of Utah Computer Science Department. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgements: * This product includes software developed by Jason R. Thorpe * for And Communications, http://www.and.com/ * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* * Timeout definitions for various changer related commands. They may * be too short for some devices (especially the timeout for INITIALIZE * ELEMENT STATUS). */ static const u_int32_t CH_TIMEOUT_MODE_SENSE = 6000; static const u_int32_t CH_TIMEOUT_MOVE_MEDIUM = 100000; static const u_int32_t CH_TIMEOUT_EXCHANGE_MEDIUM = 100000; static const u_int32_t CH_TIMEOUT_POSITION_TO_ELEMENT = 100000; static const u_int32_t CH_TIMEOUT_READ_ELEMENT_STATUS = 60000; static const u_int32_t CH_TIMEOUT_SEND_VOLTAG = 10000; static const u_int32_t CH_TIMEOUT_INITIALIZE_ELEMENT_STATUS = 500000; typedef enum { CH_FLAG_INVALID = 0x001 } ch_flags; typedef enum { CH_STATE_PROBE, CH_STATE_NORMAL } ch_state; typedef enum { CH_CCB_PROBE, CH_CCB_WAITING } ch_ccb_types; typedef enum { CH_Q_NONE = 0x00, CH_Q_NO_DBD = 0x01, CH_Q_NO_DVCID = 0x02 } ch_quirks; #define CH_Q_BIT_STRING \ "\020" \ "\001NO_DBD" \ "\002NO_DVCID" #define ccb_state ppriv_field0 #define ccb_bp ppriv_ptr1 struct scsi_mode_sense_data { struct scsi_mode_header_6 header; struct scsi_mode_blk_desc blk_desc; union { struct page_element_address_assignment ea; struct page_transport_geometry_parameters tg; struct page_device_capabilities cap; } pages; }; struct ch_softc { ch_flags flags; ch_state state; ch_quirks quirks; union ccb saved_ccb; struct devstat *device_stats; struct cdev *dev; int open_count; int sc_picker; /* current picker */ /* * The following information is obtained from the * element address assignment page. */ int sc_firsts[CHET_MAX + 1]; /* firsts */ int sc_counts[CHET_MAX + 1]; /* counts */ /* * The following mask defines the legal combinations * of elements for the MOVE MEDIUM command. */ u_int8_t sc_movemask[CHET_MAX + 1]; /* * As above, but for EXCHANGE MEDIUM. */ u_int8_t sc_exchangemask[CHET_MAX + 1]; /* * Quirks; see below. XXX KDM not implemented yet */ int sc_settledelay; /* delay for settle */ }; static d_open_t chopen; static d_close_t chclose; static d_ioctl_t chioctl; static periph_init_t chinit; static periph_ctor_t chregister; static periph_oninv_t choninvalidate; static periph_dtor_t chcleanup; static periph_start_t chstart; static void chasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg); static void chdone(struct cam_periph *periph, union ccb *done_ccb); static int cherror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags); static int chmove(struct cam_periph *periph, struct changer_move *cm); static int chexchange(struct cam_periph *periph, struct changer_exchange *ce); static int chposition(struct cam_periph *periph, struct changer_position *cp); static int chgetelemstatus(struct cam_periph *periph, int scsi_version, u_long cmd, struct changer_element_status_request *csr); static int chsetvoltag(struct cam_periph *periph, struct changer_set_voltag_request *csvr); static int chielem(struct cam_periph *periph, unsigned int timeout); static int chgetparams(struct cam_periph *periph); static int chscsiversion(struct cam_periph *periph); static struct periph_driver chdriver = { chinit, "ch", TAILQ_HEAD_INITIALIZER(chdriver.units), /* generation */ 0 }; PERIPHDRIVER_DECLARE(ch, chdriver); static struct cdevsw ch_cdevsw = { .d_version = D_VERSION, .d_flags = D_TRACKCLOSE, .d_open = chopen, .d_close = chclose, .d_ioctl = chioctl, .d_name = "ch", }; static MALLOC_DEFINE(M_SCSICH, "scsi_ch", "scsi_ch buffers"); static void chinit(void) { cam_status status; /* * Install a global async callback. This callback will * receive async callbacks like "new device found". */ status = xpt_register_async(AC_FOUND_DEVICE, chasync, NULL, NULL); if (status != CAM_REQ_CMP) { printf("ch: Failed to attach master async callback " "due to status 0x%x!\n", status); } } static void chdevgonecb(void *arg) { struct cam_sim *sim; struct ch_softc *softc; struct cam_periph *periph; int i; periph = (struct cam_periph *)arg; sim = periph->sim; softc = (struct ch_softc *)periph->softc; KASSERT(softc->open_count >= 0, ("Negative open count %d", softc->open_count)); mtx_lock(sim->mtx); /* * When we get this callback, we will get no more close calls from * devfs. So if we have any dangling opens, we need to release the * reference held for that particular context. */ for (i = 0; i < softc->open_count; i++) cam_periph_release_locked(periph); softc->open_count = 0; /* * Release the reference held for the device node, it is gone now. */ cam_periph_release_locked(periph); /* * We reference the SIM lock directly here, instead of using * cam_periph_unlock(). The reason is that the final call to * cam_periph_release_locked() above could result in the periph * getting freed. If that is the case, dereferencing the periph * with a cam_periph_unlock() call would cause a page fault. */ mtx_unlock(sim->mtx); } static void choninvalidate(struct cam_periph *periph) { struct ch_softc *softc; softc = (struct ch_softc *)periph->softc; /* * De-register any async callbacks. */ xpt_register_async(0, chasync, periph, periph->path); softc->flags |= CH_FLAG_INVALID; /* * Tell devfs this device has gone away, and ask for a callback * when it has cleaned up its state. */ destroy_dev_sched_cb(softc->dev, chdevgonecb, periph); - - xpt_print(periph->path, "lost device\n"); - } static void chcleanup(struct cam_periph *periph) { struct ch_softc *softc; softc = (struct ch_softc *)periph->softc; - - xpt_print(periph->path, "removing device entry\n"); devstat_remove_entry(softc->device_stats); free(softc, M_DEVBUF); } static void chasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg) { struct cam_periph *periph; periph = (struct cam_periph *)callback_arg; switch(code) { case AC_FOUND_DEVICE: { struct ccb_getdev *cgd; cam_status status; cgd = (struct ccb_getdev *)arg; if (cgd == NULL) break; if (cgd->protocol != PROTO_SCSI) break; if (SID_TYPE(&cgd->inq_data)!= T_CHANGER) break; /* * Allocate a peripheral instance for * this device and start the probe * process. */ status = cam_periph_alloc(chregister, choninvalidate, chcleanup, chstart, "ch", CAM_PERIPH_BIO, cgd->ccb_h.path, chasync, AC_FOUND_DEVICE, cgd); if (status != CAM_REQ_CMP && status != CAM_REQ_INPROG) printf("chasync: Unable to probe new device " "due to status 0x%x\n", status); break; } default: cam_periph_async(periph, code, path, arg); break; } } static cam_status chregister(struct cam_periph *periph, void *arg) { struct ch_softc *softc; struct ccb_getdev *cgd; struct ccb_pathinq cpi; cgd = (struct ccb_getdev *)arg; if (cgd == NULL) { printf("chregister: no getdev CCB, can't register device\n"); return(CAM_REQ_CMP_ERR); } softc = (struct ch_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); if (softc == NULL) { printf("chregister: Unable to probe new device. " "Unable to allocate softc\n"); return(CAM_REQ_CMP_ERR); } bzero(softc, sizeof(*softc)); softc->state = CH_STATE_PROBE; periph->softc = softc; softc->quirks = CH_Q_NONE; /* * The DVCID and CURDATA bits were not introduced until the SMC * spec. If this device claims SCSI-2 or earlier support, then it * very likely does not support these bits. */ if (cgd->inq_data.version <= SCSI_REV_2) softc->quirks |= CH_Q_NO_DVCID; bzero(&cpi, sizeof(cpi)); xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); cpi.ccb_h.func_code = XPT_PATH_INQ; xpt_action((union ccb *)&cpi); /* * Changers don't have a blocksize, and obviously don't support * tagged queueing. */ cam_periph_unlock(periph); softc->device_stats = devstat_new_entry("ch", periph->unit_number, 0, DEVSTAT_NO_BLOCKSIZE | DEVSTAT_NO_ORDERED_TAGS, SID_TYPE(&cgd->inq_data) | XPORT_DEVSTAT_TYPE(cpi.transport), DEVSTAT_PRIORITY_OTHER); /* * Acquire a reference to the periph before we create the devfs * instance for it. We'll release this reference once the devfs * instance has been freed. */ if (cam_periph_acquire(periph) != CAM_REQ_CMP) { xpt_print(periph->path, "%s: lost periph during " "registration!\n", __func__); cam_periph_lock(periph); return (CAM_REQ_CMP_ERR); } /* Register the device */ softc->dev = make_dev(&ch_cdevsw, periph->unit_number, UID_ROOT, GID_OPERATOR, 0600, "%s%d", periph->periph_name, periph->unit_number); cam_periph_lock(periph); softc->dev->si_drv1 = periph; /* * Add an async callback so that we get * notified if this device goes away. */ xpt_register_async(AC_LOST_DEVICE, chasync, periph, periph->path); /* * Lock this periph until we are setup. * This first call can't block */ (void)cam_periph_hold(periph, PRIBIO); xpt_schedule(periph, CAM_PRIORITY_DEV); return(CAM_REQ_CMP); } static int chopen(struct cdev *dev, int flags, int fmt, struct thread *td) { struct cam_periph *periph; struct ch_softc *softc; int error; periph = (struct cam_periph *)dev->si_drv1; if (cam_periph_acquire(periph) != CAM_REQ_CMP) return (ENXIO); softc = (struct ch_softc *)periph->softc; cam_periph_lock(periph); if (softc->flags & CH_FLAG_INVALID) { cam_periph_release_locked(periph); cam_periph_unlock(periph); return(ENXIO); } if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) { cam_periph_unlock(periph); cam_periph_release(periph); return (error); } /* * Load information about this changer device into the softc. */ if ((error = chgetparams(periph)) != 0) { cam_periph_unhold(periph); cam_periph_release_locked(periph); cam_periph_unlock(periph); return(error); } cam_periph_unhold(periph); softc->open_count++; cam_periph_unlock(periph); return(error); } static int chclose(struct cdev *dev, int flag, int fmt, struct thread *td) { struct cam_sim *sim; struct cam_periph *periph; struct ch_softc *softc; periph = (struct cam_periph *)dev->si_drv1; if (periph == NULL) return(ENXIO); sim = periph->sim; softc = (struct ch_softc *)periph->softc; mtx_lock(sim->mtx); softc->open_count--; cam_periph_release_locked(periph); /* * We reference the SIM lock directly here, instead of using * cam_periph_unlock(). The reason is that the call to * cam_periph_release_locked() above could result in the periph * getting freed. If that is the case, dereferencing the periph * with a cam_periph_unlock() call would cause a page fault. * * cam_periph_release() avoids this problem using the same method, * but we're manually acquiring and dropping the lock here to * protect the open count and avoid another lock acquisition and * release. */ mtx_unlock(sim->mtx); return(0); } static void chstart(struct cam_periph *periph, union ccb *start_ccb) { struct ch_softc *softc; softc = (struct ch_softc *)periph->softc; switch (softc->state) { case CH_STATE_NORMAL: { if (periph->immediate_priority <= periph->pinfo.priority){ start_ccb->ccb_h.ccb_state = CH_CCB_WAITING; SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, periph_links.sle); periph->immediate_priority = CAM_PRIORITY_NONE; wakeup(&periph->ccb_list); } break; } case CH_STATE_PROBE: { int mode_buffer_len; void *mode_buffer; /* * Include the block descriptor when calculating the mode * buffer length, */ mode_buffer_len = sizeof(struct scsi_mode_header_6) + sizeof(struct scsi_mode_blk_desc) + sizeof(struct page_element_address_assignment); mode_buffer = malloc(mode_buffer_len, M_SCSICH, M_NOWAIT); if (mode_buffer == NULL) { printf("chstart: couldn't malloc mode sense data\n"); break; } bzero(mode_buffer, mode_buffer_len); /* * Get the element address assignment page. */ scsi_mode_sense(&start_ccb->csio, /* retries */ 1, /* cbfcnp */ chdone, /* tag_action */ MSG_SIMPLE_Q_TAG, /* dbd */ (softc->quirks & CH_Q_NO_DBD) ? FALSE : TRUE, /* page_code */ SMS_PAGE_CTRL_CURRENT, /* page */ CH_ELEMENT_ADDR_ASSIGN_PAGE, /* param_buf */ (u_int8_t *)mode_buffer, /* param_len */ mode_buffer_len, /* sense_len */ SSD_FULL_SIZE, /* timeout */ CH_TIMEOUT_MODE_SENSE); start_ccb->ccb_h.ccb_bp = NULL; start_ccb->ccb_h.ccb_state = CH_CCB_PROBE; xpt_action(start_ccb); break; } } } static void chdone(struct cam_periph *periph, union ccb *done_ccb) { struct ch_softc *softc; struct ccb_scsiio *csio; softc = (struct ch_softc *)periph->softc; csio = &done_ccb->csio; switch(done_ccb->ccb_h.ccb_state) { case CH_CCB_PROBE: { struct scsi_mode_header_6 *mode_header; struct page_element_address_assignment *ea; char announce_buf[80]; mode_header = (struct scsi_mode_header_6 *)csio->data_ptr; ea = (struct page_element_address_assignment *) find_mode_page_6(mode_header); if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP){ softc->sc_firsts[CHET_MT] = scsi_2btoul(ea->mtea); softc->sc_counts[CHET_MT] = scsi_2btoul(ea->nmte); softc->sc_firsts[CHET_ST] = scsi_2btoul(ea->fsea); softc->sc_counts[CHET_ST] = scsi_2btoul(ea->nse); softc->sc_firsts[CHET_IE] = scsi_2btoul(ea->fieea); softc->sc_counts[CHET_IE] = scsi_2btoul(ea->niee); softc->sc_firsts[CHET_DT] = scsi_2btoul(ea->fdtea); softc->sc_counts[CHET_DT] = scsi_2btoul(ea->ndte); softc->sc_picker = softc->sc_firsts[CHET_MT]; #define PLURAL(c) (c) == 1 ? "" : "s" snprintf(announce_buf, sizeof(announce_buf), "%d slot%s, %d drive%s, " "%d picker%s, %d portal%s", softc->sc_counts[CHET_ST], PLURAL(softc->sc_counts[CHET_ST]), softc->sc_counts[CHET_DT], PLURAL(softc->sc_counts[CHET_DT]), softc->sc_counts[CHET_MT], PLURAL(softc->sc_counts[CHET_MT]), softc->sc_counts[CHET_IE], PLURAL(softc->sc_counts[CHET_IE])); #undef PLURAL } else { int error; error = cherror(done_ccb, CAM_RETRY_SELTO, SF_RETRY_UA | SF_NO_PRINT); /* * Retry any UNIT ATTENTION type errors. They * are expected at boot. */ if (error == ERESTART) { /* * A retry was scheuled, so * just return. */ return; } else if (error != 0) { int retry_scheduled; struct scsi_mode_sense_6 *sms; sms = (struct scsi_mode_sense_6 *) done_ccb->csio.cdb_io.cdb_bytes; /* * Check to see if block descriptors were * disabled. Some devices don't like that. * We're taking advantage of the fact that * the first few bytes of the 6 and 10 byte * mode sense commands are the same. If * block descriptors were disabled, enable * them and re-send the command. */ if (sms->byte2 & SMS_DBD) { sms->byte2 &= ~SMS_DBD; xpt_action(done_ccb); softc->quirks |= CH_Q_NO_DBD; retry_scheduled = 1; } else retry_scheduled = 0; /* Don't wedge this device's queue */ if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) cam_release_devq(done_ccb->ccb_h.path, /*relsim_flags*/0, /*reduction*/0, /*timeout*/0, /*getcount_only*/0); if (retry_scheduled) return; if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR) scsi_sense_print(&done_ccb->csio); else { xpt_print(periph->path, "got CAM status %#x\n", done_ccb->ccb_h.status); } xpt_print(periph->path, "fatal error, failed " "to attach to device\n"); cam_periph_invalidate(periph); announce_buf[0] = '\0'; } } if (announce_buf[0] != '\0') { xpt_announce_periph(periph, announce_buf); xpt_announce_quirks(periph, softc->quirks, CH_Q_BIT_STRING); } softc->state = CH_STATE_NORMAL; free(mode_header, M_SCSICH); /* * Since our peripheral may be invalidated by an error * above or an external event, we must release our CCB * before releasing the probe lock on the peripheral. * The peripheral will only go away once the last lock * is removed, and we need it around for the CCB release * operation. */ xpt_release_ccb(done_ccb); cam_periph_unhold(periph); return; } case CH_CCB_WAITING: { /* Caller will release the CCB */ wakeup(&done_ccb->ccb_h.cbfcnp); return; } default: break; } xpt_release_ccb(done_ccb); } static int cherror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) { struct ch_softc *softc; struct cam_periph *periph; periph = xpt_path_periph(ccb->ccb_h.path); softc = (struct ch_softc *)periph->softc; return (cam_periph_error(ccb, cam_flags, sense_flags, &softc->saved_ccb)); } static int chioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, struct thread *td) { struct cam_periph *periph; struct ch_softc *softc; int error; periph = (struct cam_periph *)dev->si_drv1; if (periph == NULL) return(ENXIO); cam_periph_lock(periph); CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering chioctl\n")); softc = (struct ch_softc *)periph->softc; error = 0; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("trying to do ioctl %#lx\n", cmd)); /* * If this command can change the device's state, we must * have the device open for writing. */ switch (cmd) { case CHIOGPICKER: case CHIOGPARAMS: case OCHIOGSTATUS: case CHIOGSTATUS: break; default: if ((flag & FWRITE) == 0) { cam_periph_unlock(periph); return (EBADF); } } switch (cmd) { case CHIOMOVE: error = chmove(periph, (struct changer_move *)addr); break; case CHIOEXCHANGE: error = chexchange(periph, (struct changer_exchange *)addr); break; case CHIOPOSITION: error = chposition(periph, (struct changer_position *)addr); break; case CHIOGPICKER: *(int *)addr = softc->sc_picker - softc->sc_firsts[CHET_MT]; break; case CHIOSPICKER: { int new_picker = *(int *)addr; if (new_picker > (softc->sc_counts[CHET_MT] - 1)) { error = EINVAL; break; } softc->sc_picker = softc->sc_firsts[CHET_MT] + new_picker; break; } case CHIOGPARAMS: { struct changer_params *cp = (struct changer_params *)addr; cp->cp_npickers = softc->sc_counts[CHET_MT]; cp->cp_nslots = softc->sc_counts[CHET_ST]; cp->cp_nportals = softc->sc_counts[CHET_IE]; cp->cp_ndrives = softc->sc_counts[CHET_DT]; break; } case CHIOIELEM: error = chielem(periph, *(unsigned int *)addr); break; case OCHIOGSTATUS: { error = chgetelemstatus(periph, SCSI_REV_2, cmd, (struct changer_element_status_request *)addr); break; } case CHIOGSTATUS: { int scsi_version; scsi_version = chscsiversion(periph); if (scsi_version >= SCSI_REV_0) { error = chgetelemstatus(periph, scsi_version, cmd, (struct changer_element_status_request *)addr); } else { /* unable to determine the SCSI version */ cam_periph_unlock(periph); return (ENXIO); } break; } case CHIOSETVOLTAG: { error = chsetvoltag(periph, (struct changer_set_voltag_request *) addr); break; } /* Implement prevent/allow? */ default: error = cam_periph_ioctl(periph, cmd, addr, cherror); break; } cam_periph_unlock(periph); return (error); } static int chmove(struct cam_periph *periph, struct changer_move *cm) { struct ch_softc *softc; u_int16_t fromelem, toelem; union ccb *ccb; int error; error = 0; softc = (struct ch_softc *)periph->softc; /* * Check arguments. */ if ((cm->cm_fromtype > CHET_DT) || (cm->cm_totype > CHET_DT)) return (EINVAL); if ((cm->cm_fromunit > (softc->sc_counts[cm->cm_fromtype] - 1)) || (cm->cm_tounit > (softc->sc_counts[cm->cm_totype] - 1))) return (ENODEV); /* * Check the request against the changer's capabilities. */ if ((softc->sc_movemask[cm->cm_fromtype] & (1 << cm->cm_totype)) == 0) return (ENODEV); /* * Calculate the source and destination elements. */ fromelem = softc->sc_firsts[cm->cm_fromtype] + cm->cm_fromunit; toelem = softc->sc_firsts[cm->cm_totype] + cm->cm_tounit; ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); scsi_move_medium(&ccb->csio, /* retries */ 1, /* cbfcnp */ chdone, /* tag_action */ MSG_SIMPLE_Q_TAG, /* tea */ softc->sc_picker, /* src */ fromelem, /* dst */ toelem, /* invert */ (cm->cm_flags & CM_INVERT) ? TRUE : FALSE, /* sense_len */ SSD_FULL_SIZE, /* timeout */ CH_TIMEOUT_MOVE_MEDIUM); error = cam_periph_runccb(ccb, cherror, /*cam_flags*/CAM_RETRY_SELTO, /*sense_flags*/ SF_RETRY_UA, softc->device_stats); xpt_release_ccb(ccb); return(error); } static int chexchange(struct cam_periph *periph, struct changer_exchange *ce) { struct ch_softc *softc; u_int16_t src, dst1, dst2; union ccb *ccb; int error; error = 0; softc = (struct ch_softc *)periph->softc; /* * Check arguments. */ if ((ce->ce_srctype > CHET_DT) || (ce->ce_fdsttype > CHET_DT) || (ce->ce_sdsttype > CHET_DT)) return (EINVAL); if ((ce->ce_srcunit > (softc->sc_counts[ce->ce_srctype] - 1)) || (ce->ce_fdstunit > (softc->sc_counts[ce->ce_fdsttype] - 1)) || (ce->ce_sdstunit > (softc->sc_counts[ce->ce_sdsttype] - 1))) return (ENODEV); /* * Check the request against the changer's capabilities. */ if (((softc->sc_exchangemask[ce->ce_srctype] & (1 << ce->ce_fdsttype)) == 0) || ((softc->sc_exchangemask[ce->ce_fdsttype] & (1 << ce->ce_sdsttype)) == 0)) return (ENODEV); /* * Calculate the source and destination elements. */ src = softc->sc_firsts[ce->ce_srctype] + ce->ce_srcunit; dst1 = softc->sc_firsts[ce->ce_fdsttype] + ce->ce_fdstunit; dst2 = softc->sc_firsts[ce->ce_sdsttype] + ce->ce_sdstunit; ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); scsi_exchange_medium(&ccb->csio, /* retries */ 1, /* cbfcnp */ chdone, /* tag_action */ MSG_SIMPLE_Q_TAG, /* tea */ softc->sc_picker, /* src */ src, /* dst1 */ dst1, /* dst2 */ dst2, /* invert1 */ (ce->ce_flags & CE_INVERT1) ? TRUE : FALSE, /* invert2 */ (ce->ce_flags & CE_INVERT2) ? TRUE : FALSE, /* sense_len */ SSD_FULL_SIZE, /* timeout */ CH_TIMEOUT_EXCHANGE_MEDIUM); error = cam_periph_runccb(ccb, cherror, /*cam_flags*/CAM_RETRY_SELTO, /*sense_flags*/ SF_RETRY_UA, softc->device_stats); xpt_release_ccb(ccb); return(error); } static int chposition(struct cam_periph *periph, struct changer_position *cp) { struct ch_softc *softc; u_int16_t dst; union ccb *ccb; int error; error = 0; softc = (struct ch_softc *)periph->softc; /* * Check arguments. */ if (cp->cp_type > CHET_DT) return (EINVAL); if (cp->cp_unit > (softc->sc_counts[cp->cp_type] - 1)) return (ENODEV); /* * Calculate the destination element. */ dst = softc->sc_firsts[cp->cp_type] + cp->cp_unit; ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); scsi_position_to_element(&ccb->csio, /* retries */ 1, /* cbfcnp */ chdone, /* tag_action */ MSG_SIMPLE_Q_TAG, /* tea */ softc->sc_picker, /* dst */ dst, /* invert */ (cp->cp_flags & CP_INVERT) ? TRUE : FALSE, /* sense_len */ SSD_FULL_SIZE, /* timeout */ CH_TIMEOUT_POSITION_TO_ELEMENT); error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, /*sense_flags*/ SF_RETRY_UA, softc->device_stats); xpt_release_ccb(ccb); return(error); } /* * Copy a volume tag to a volume_tag struct, converting SCSI byte order * to host native byte order in the volume serial number. The volume * label as returned by the changer is transferred to user mode as * nul-terminated string. Volume labels are truncated at the first * space, as suggested by SCSI-2. */ static void copy_voltag(struct changer_voltag *uvoltag, struct volume_tag *voltag) { int i; for (i=0; ivif[i]; if (c && c != ' ') uvoltag->cv_volid[i] = c; else break; } uvoltag->cv_serial = scsi_2btoul(voltag->vsn); } /* * Copy an element status descriptor to a user-mode * changer_element_status structure. */ static void copy_element_status(struct ch_softc *softc, u_int16_t flags, struct read_element_status_descriptor *desc, struct changer_element_status *ces, int scsi_version) { u_int16_t eaddr = scsi_2btoul(desc->eaddr); u_int16_t et; struct volume_tag *pvol_tag = NULL, *avol_tag = NULL; struct read_element_status_device_id *devid = NULL; ces->ces_int_addr = eaddr; /* set up logical address in element status */ for (et = CHET_MT; et <= CHET_DT; et++) { if ((softc->sc_firsts[et] <= eaddr) && ((softc->sc_firsts[et] + softc->sc_counts[et]) > eaddr)) { ces->ces_addr = eaddr - softc->sc_firsts[et]; ces->ces_type = et; break; } } ces->ces_flags = desc->flags1; ces->ces_sensecode = desc->sense_code; ces->ces_sensequal = desc->sense_qual; if (desc->flags2 & READ_ELEMENT_STATUS_INVERT) ces->ces_flags |= CES_INVERT; if (desc->flags2 & READ_ELEMENT_STATUS_SVALID) { eaddr = scsi_2btoul(desc->ssea); /* convert source address to logical format */ for (et = CHET_MT; et <= CHET_DT; et++) { if ((softc->sc_firsts[et] <= eaddr) && ((softc->sc_firsts[et] + softc->sc_counts[et]) > eaddr)) { ces->ces_source_addr = eaddr - softc->sc_firsts[et]; ces->ces_source_type = et; ces->ces_flags |= CES_SOURCE_VALID; break; } } if (!(ces->ces_flags & CES_SOURCE_VALID)) printf("ch: warning: could not map element source " "address %ud to a valid element type\n", eaddr); } /* * pvoltag and avoltag are common between SCSI-2 and later versions */ if (flags & READ_ELEMENT_STATUS_PVOLTAG) pvol_tag = &desc->voltag_devid.pvoltag; if (flags & READ_ELEMENT_STATUS_AVOLTAG) avol_tag = (flags & READ_ELEMENT_STATUS_PVOLTAG) ? &desc->voltag_devid.voltag[1] :&desc->voltag_devid.pvoltag; /* * For SCSI-3 and later, element status can carry designator and * other information. */ if (scsi_version >= SCSI_REV_SPC) { if ((flags & READ_ELEMENT_STATUS_PVOLTAG) ^ (flags & READ_ELEMENT_STATUS_AVOLTAG)) devid = &desc->voltag_devid.pvol_and_devid.devid; else if (!(flags & READ_ELEMENT_STATUS_PVOLTAG) && !(flags & READ_ELEMENT_STATUS_AVOLTAG)) devid = &desc->voltag_devid.devid; else /* Have both PVOLTAG and AVOLTAG */ devid = &desc->voltag_devid.vol_tags_and_devid.devid; } if (pvol_tag) copy_voltag(&(ces->ces_pvoltag), pvol_tag); if (avol_tag) copy_voltag(&(ces->ces_pvoltag), avol_tag); if (devid != NULL) { if (devid->designator_length > 0) { bcopy((void *)devid->designator, (void *)ces->ces_designator, devid->designator_length); ces->ces_designator_length = devid->designator_length; /* * Make sure we are always NUL terminated. The * This won't matter for the binary code set, * since the user will only pay attention to the * length field. */ ces->ces_designator[devid->designator_length]= '\0'; } if (devid->piv_assoc_designator_type & READ_ELEMENT_STATUS_PIV_SET) { ces->ces_flags |= CES_PIV; ces->ces_protocol_id = READ_ELEMENT_STATUS_PROTOCOL_ID( devid->prot_code_set); } ces->ces_code_set = READ_ELEMENT_STATUS_CODE_SET(devid->prot_code_set); ces->ces_assoc = READ_ELEMENT_STATUS_ASSOCIATION( devid->piv_assoc_designator_type); ces->ces_designator_type = READ_ELEMENT_STATUS_DESIGNATOR_TYPE( devid->piv_assoc_designator_type); } else if (scsi_version > SCSI_REV_2) { /* SCSI-SPC and No devid, no designator */ ces->ces_designator_length = 0; ces->ces_designator[0] = '\0'; ces->ces_protocol_id = CES_PROTOCOL_ID_FCP_4; } if (scsi_version <= SCSI_REV_2) { if (desc->dt_or_obsolete.scsi_2.dt_scsi_flags & READ_ELEMENT_STATUS_DT_IDVALID) { ces->ces_flags |= CES_SCSIID_VALID; ces->ces_scsi_id = desc->dt_or_obsolete.scsi_2.dt_scsi_addr; } if (desc->dt_or_obsolete.scsi_2.dt_scsi_addr & READ_ELEMENT_STATUS_DT_LUVALID) { ces->ces_flags |= CES_LUN_VALID; ces->ces_scsi_lun = desc->dt_or_obsolete.scsi_2.dt_scsi_flags & READ_ELEMENT_STATUS_DT_LUNMASK; } } } static int chgetelemstatus(struct cam_periph *periph, int scsi_version, u_long cmd, struct changer_element_status_request *cesr) { struct read_element_status_header *st_hdr; struct read_element_status_page_header *pg_hdr; struct read_element_status_descriptor *desc; caddr_t data = NULL; size_t size, desclen; int avail, i, error = 0; int curdata, dvcid, sense_flags; int try_no_dvcid = 0; struct changer_element_status *user_data = NULL; struct ch_softc *softc; union ccb *ccb; int chet = cesr->cesr_element_type; int want_voltags = (cesr->cesr_flags & CESR_VOLTAGS) ? 1 : 0; softc = (struct ch_softc *)periph->softc; /* perform argument checking */ /* * Perform a range check on the cesr_element_{base,count} * request argument fields. */ if ((softc->sc_counts[chet] - cesr->cesr_element_base) <= 0 || (cesr->cesr_element_base + cesr->cesr_element_count) > softc->sc_counts[chet]) return (EINVAL); /* * Request one descriptor for the given element type. This * is used to determine the size of the descriptor so that * we can allocate enough storage for all of them. We assume * that the first one can fit into 1k. */ cam_periph_unlock(periph); data = (caddr_t)malloc(1024, M_DEVBUF, M_WAITOK); cam_periph_lock(periph); ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); sense_flags = SF_RETRY_UA; if (softc->quirks & CH_Q_NO_DVCID) { dvcid = 0; curdata = 0; } else { dvcid = 1; curdata = 1; /* * Don't print anything for an Illegal Request, because * these flags can cause some changers to complain. We'll * retry without them if we get an error. */ sense_flags |= SF_QUIET_IR; } retry_einval: scsi_read_element_status(&ccb->csio, /* retries */ 1, /* cbfcnp */ chdone, /* tag_action */ MSG_SIMPLE_Q_TAG, /* voltag */ want_voltags, /* sea */ softc->sc_firsts[chet], /* curdata */ curdata, /* dvcid */ dvcid, /* count */ 1, /* data_ptr */ data, /* dxfer_len */ 1024, /* sense_len */ SSD_FULL_SIZE, /* timeout */ CH_TIMEOUT_READ_ELEMENT_STATUS); error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, /*sense_flags*/ sense_flags, softc->device_stats); /* * An Illegal Request sense key (only used if there is no asc/ascq) * or 0x24,0x00 for an ASC/ASCQ both map to EINVAL. If dvcid or * curdata are set (we set both or neither), try turning them off * and see if the command is successful. */ if ((error == EINVAL) && (dvcid || curdata)) { dvcid = 0; curdata = 0; error = 0; /* At this point we want to report any Illegal Request */ sense_flags &= ~SF_QUIET_IR; try_no_dvcid = 1; goto retry_einval; } /* * In this case, we tried a read element status with dvcid and * curdata set, and it failed. We retried without those bits, and * it succeeded. Suggest to the user that he set a quirk, so we * don't go through the retry process the first time in the future. * This should only happen on changers that claim SCSI-3 or higher, * but don't support these bits. */ if ((try_no_dvcid != 0) && (error == 0)) softc->quirks |= CH_Q_NO_DVCID; if (error) goto done; cam_periph_unlock(periph); st_hdr = (struct read_element_status_header *)data; pg_hdr = (struct read_element_status_page_header *)((uintptr_t)st_hdr + sizeof(struct read_element_status_header)); desclen = scsi_2btoul(pg_hdr->edl); size = sizeof(struct read_element_status_header) + sizeof(struct read_element_status_page_header) + (desclen * cesr->cesr_element_count); /* * Reallocate storage for descriptors and get them from the * device. */ free(data, M_DEVBUF); data = (caddr_t)malloc(size, M_DEVBUF, M_WAITOK); cam_periph_lock(periph); scsi_read_element_status(&ccb->csio, /* retries */ 1, /* cbfcnp */ chdone, /* tag_action */ MSG_SIMPLE_Q_TAG, /* voltag */ want_voltags, /* sea */ softc->sc_firsts[chet] + cesr->cesr_element_base, /* curdata */ curdata, /* dvcid */ dvcid, /* count */ cesr->cesr_element_count, /* data_ptr */ data, /* dxfer_len */ size, /* sense_len */ SSD_FULL_SIZE, /* timeout */ CH_TIMEOUT_READ_ELEMENT_STATUS); error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, /*sense_flags*/ SF_RETRY_UA, softc->device_stats); if (error) goto done; cam_periph_unlock(periph); /* * Fill in the user status array. */ st_hdr = (struct read_element_status_header *)data; pg_hdr = (struct read_element_status_page_header *)((uintptr_t)st_hdr + sizeof(struct read_element_status_header)); avail = scsi_2btoul(st_hdr->count); if (avail != cesr->cesr_element_count) { xpt_print(periph->path, "warning, READ ELEMENT STATUS avail != count\n"); } user_data = (struct changer_element_status *) malloc(avail * sizeof(struct changer_element_status), M_DEVBUF, M_WAITOK | M_ZERO); desc = (struct read_element_status_descriptor *)((uintptr_t)data + sizeof(struct read_element_status_header) + sizeof(struct read_element_status_page_header)); /* * Set up the individual element status structures */ for (i = 0; i < avail; ++i) { struct changer_element_status *ces; /* * In the changer_element_status structure, fields from * the beginning to the field of ces_scsi_lun are common * between SCSI-2 and SCSI-3, while all the rest are new * from SCSI-3. In order to maintain backward compatibility * of the chio command, the ces pointer, below, is computed * such that it lines up with the structure boundary * corresponding to the SCSI version. */ ces = cmd == OCHIOGSTATUS ? (struct changer_element_status *) ((unsigned char *)user_data + i * (offsetof(struct changer_element_status,ces_scsi_lun)+1)): &user_data[i]; copy_element_status(softc, pg_hdr->flags, desc, ces, scsi_version); desc = (struct read_element_status_descriptor *) ((unsigned char *)desc + desclen); } /* Copy element status structures out to userspace. */ if (cmd == OCHIOGSTATUS) error = copyout(user_data, cesr->cesr_element_status, avail* (offsetof(struct changer_element_status, ces_scsi_lun) + 1)); else error = copyout(user_data, cesr->cesr_element_status, avail * sizeof(struct changer_element_status)); cam_periph_lock(periph); done: xpt_release_ccb(ccb); if (data != NULL) free(data, M_DEVBUF); if (user_data != NULL) free(user_data, M_DEVBUF); return (error); } static int chielem(struct cam_periph *periph, unsigned int timeout) { union ccb *ccb; struct ch_softc *softc; int error; if (!timeout) { timeout = CH_TIMEOUT_INITIALIZE_ELEMENT_STATUS; } else { timeout *= 1000; } error = 0; softc = (struct ch_softc *)periph->softc; ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); scsi_initialize_element_status(&ccb->csio, /* retries */ 1, /* cbfcnp */ chdone, /* tag_action */ MSG_SIMPLE_Q_TAG, /* sense_len */ SSD_FULL_SIZE, /* timeout */ timeout); error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, /*sense_flags*/ SF_RETRY_UA, softc->device_stats); xpt_release_ccb(ccb); return(error); } static int chsetvoltag(struct cam_periph *periph, struct changer_set_voltag_request *csvr) { union ccb *ccb; struct ch_softc *softc; u_int16_t ea; u_int8_t sac; struct scsi_send_volume_tag_parameters ssvtp; int error; int i; error = 0; softc = (struct ch_softc *)periph->softc; bzero(&ssvtp, sizeof(ssvtp)); for (i=0; icsvr_type > CHET_DT) return EINVAL; if (csvr->csvr_addr > (softc->sc_counts[csvr->csvr_type] - 1)) return ENODEV; ea = softc->sc_firsts[csvr->csvr_type] + csvr->csvr_addr; if (csvr->csvr_flags & CSVR_ALTERNATE) { switch (csvr->csvr_flags & CSVR_MODE_MASK) { case CSVR_MODE_SET: sac = SEND_VOLUME_TAG_ASSERT_ALTERNATE; break; case CSVR_MODE_REPLACE: sac = SEND_VOLUME_TAG_REPLACE_ALTERNATE; break; case CSVR_MODE_CLEAR: sac = SEND_VOLUME_TAG_UNDEFINED_ALTERNATE; break; default: error = EINVAL; goto out; } } else { switch (csvr->csvr_flags & CSVR_MODE_MASK) { case CSVR_MODE_SET: sac = SEND_VOLUME_TAG_ASSERT_PRIMARY; break; case CSVR_MODE_REPLACE: sac = SEND_VOLUME_TAG_REPLACE_PRIMARY; break; case CSVR_MODE_CLEAR: sac = SEND_VOLUME_TAG_UNDEFINED_PRIMARY; break; default: error = EINVAL; goto out; } } memcpy(ssvtp.vitf, csvr->csvr_voltag.cv_volid, min(strlen(csvr->csvr_voltag.cv_volid), sizeof(ssvtp.vitf))); scsi_ulto2b(csvr->csvr_voltag.cv_serial, ssvtp.minvsn); ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); scsi_send_volume_tag(&ccb->csio, /* retries */ 1, /* cbfcnp */ chdone, /* tag_action */ MSG_SIMPLE_Q_TAG, /* element_address */ ea, /* send_action_code */ sac, /* parameters */ &ssvtp, /* sense_len */ SSD_FULL_SIZE, /* timeout */ CH_TIMEOUT_SEND_VOLTAG); error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, /*sense_flags*/ SF_RETRY_UA, softc->device_stats); xpt_release_ccb(ccb); out: return error; } static int chgetparams(struct cam_periph *periph) { union ccb *ccb; struct ch_softc *softc; void *mode_buffer; int mode_buffer_len; struct page_element_address_assignment *ea; struct page_device_capabilities *cap; int error, from, dbd; u_int8_t *moves, *exchanges; error = 0; softc = (struct ch_softc *)periph->softc; ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); /* * The scsi_mode_sense_data structure is just a convenience * structure that allows us to easily calculate the worst-case * storage size of the mode sense buffer. */ mode_buffer_len = sizeof(struct scsi_mode_sense_data); mode_buffer = malloc(mode_buffer_len, M_SCSICH, M_NOWAIT); if (mode_buffer == NULL) { printf("chgetparams: couldn't malloc mode sense data\n"); return(ENOSPC); } bzero(mode_buffer, mode_buffer_len); if (softc->quirks & CH_Q_NO_DBD) dbd = FALSE; else dbd = TRUE; /* * Get the element address assignment page. */ scsi_mode_sense(&ccb->csio, /* retries */ 1, /* cbfcnp */ chdone, /* tag_action */ MSG_SIMPLE_Q_TAG, /* dbd */ dbd, /* page_code */ SMS_PAGE_CTRL_CURRENT, /* page */ CH_ELEMENT_ADDR_ASSIGN_PAGE, /* param_buf */ (u_int8_t *)mode_buffer, /* param_len */ mode_buffer_len, /* sense_len */ SSD_FULL_SIZE, /* timeout */ CH_TIMEOUT_MODE_SENSE); error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, /* sense_flags */ SF_RETRY_UA|SF_NO_PRINT, softc->device_stats); if (error) { if (dbd) { struct scsi_mode_sense_6 *sms; sms = (struct scsi_mode_sense_6 *) ccb->csio.cdb_io.cdb_bytes; sms->byte2 &= ~SMS_DBD; error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, /*sense_flags*/ SF_RETRY_UA, softc->device_stats); } else { /* * Since we disabled sense printing above, print * out the sense here since we got an error. */ scsi_sense_print(&ccb->csio); } if (error) { xpt_print(periph->path, "chgetparams: error getting element " "address page\n"); xpt_release_ccb(ccb); free(mode_buffer, M_SCSICH); return(error); } } ea = (struct page_element_address_assignment *) find_mode_page_6((struct scsi_mode_header_6 *)mode_buffer); softc->sc_firsts[CHET_MT] = scsi_2btoul(ea->mtea); softc->sc_counts[CHET_MT] = scsi_2btoul(ea->nmte); softc->sc_firsts[CHET_ST] = scsi_2btoul(ea->fsea); softc->sc_counts[CHET_ST] = scsi_2btoul(ea->nse); softc->sc_firsts[CHET_IE] = scsi_2btoul(ea->fieea); softc->sc_counts[CHET_IE] = scsi_2btoul(ea->niee); softc->sc_firsts[CHET_DT] = scsi_2btoul(ea->fdtea); softc->sc_counts[CHET_DT] = scsi_2btoul(ea->ndte); bzero(mode_buffer, mode_buffer_len); /* * Now get the device capabilities page. */ scsi_mode_sense(&ccb->csio, /* retries */ 1, /* cbfcnp */ chdone, /* tag_action */ MSG_SIMPLE_Q_TAG, /* dbd */ dbd, /* page_code */ SMS_PAGE_CTRL_CURRENT, /* page */ CH_DEVICE_CAP_PAGE, /* param_buf */ (u_int8_t *)mode_buffer, /* param_len */ mode_buffer_len, /* sense_len */ SSD_FULL_SIZE, /* timeout */ CH_TIMEOUT_MODE_SENSE); error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, /* sense_flags */ SF_RETRY_UA | SF_NO_PRINT, softc->device_stats); if (error) { if (dbd) { struct scsi_mode_sense_6 *sms; sms = (struct scsi_mode_sense_6 *) ccb->csio.cdb_io.cdb_bytes; sms->byte2 &= ~SMS_DBD; error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO, /*sense_flags*/ SF_RETRY_UA, softc->device_stats); } else { /* * Since we disabled sense printing above, print * out the sense here since we got an error. */ scsi_sense_print(&ccb->csio); } if (error) { xpt_print(periph->path, "chgetparams: error getting device " "capabilities page\n"); xpt_release_ccb(ccb); free(mode_buffer, M_SCSICH); return(error); } } xpt_release_ccb(ccb); cap = (struct page_device_capabilities *) find_mode_page_6((struct scsi_mode_header_6 *)mode_buffer); bzero(softc->sc_movemask, sizeof(softc->sc_movemask)); bzero(softc->sc_exchangemask, sizeof(softc->sc_exchangemask)); moves = cap->move_from; exchanges = cap->exchange_with; for (from = CHET_MT; from <= CHET_MAX; ++from) { softc->sc_movemask[from] = moves[from]; softc->sc_exchangemask[from] = exchanges[from]; } free(mode_buffer, M_SCSICH); return(error); } static int chscsiversion(struct cam_periph *periph) { struct scsi_inquiry_data *inq_data; struct ccb_getdev *cgd; int dev_scsi_version; struct cam_sim *sim; sim = xpt_path_sim(periph->path); mtx_assert(sim->mtx, MA_OWNED); if ((cgd = (struct ccb_getdev *)xpt_alloc_ccb_nowait()) == NULL) return (-1); /* * Get the device information. */ xpt_setup_ccb(&cgd->ccb_h, periph->path, CAM_PRIORITY_NORMAL); cgd->ccb_h.func_code = XPT_GDEV_TYPE; xpt_action((union ccb *)cgd); if (cgd->ccb_h.status != CAM_REQ_CMP) { xpt_free_ccb((union ccb *)cgd); return -1; } inq_data = &cgd->inq_data; dev_scsi_version = inq_data->version; xpt_free_ccb((union ccb *)cgd); return dev_scsi_version; } void scsi_move_medium(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int32_t tea, u_int32_t src, u_int32_t dst, int invert, u_int8_t sense_len, u_int32_t timeout) { struct scsi_move_medium *scsi_cmd; scsi_cmd = (struct scsi_move_medium *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = MOVE_MEDIUM; scsi_ulto2b(tea, scsi_cmd->tea); scsi_ulto2b(src, scsi_cmd->src); scsi_ulto2b(dst, scsi_cmd->dst); if (invert) scsi_cmd->invert |= MOVE_MEDIUM_INVERT; cam_fill_csio(csio, retries, cbfcnp, /*flags*/ CAM_DIR_NONE, tag_action, /*data_ptr*/ NULL, /*dxfer_len*/ 0, sense_len, sizeof(*scsi_cmd), timeout); } void scsi_exchange_medium(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int32_t tea, u_int32_t src, u_int32_t dst1, u_int32_t dst2, int invert1, int invert2, u_int8_t sense_len, u_int32_t timeout) { struct scsi_exchange_medium *scsi_cmd; scsi_cmd = (struct scsi_exchange_medium *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = EXCHANGE_MEDIUM; scsi_ulto2b(tea, scsi_cmd->tea); scsi_ulto2b(src, scsi_cmd->src); scsi_ulto2b(dst1, scsi_cmd->fdst); scsi_ulto2b(dst2, scsi_cmd->sdst); if (invert1) scsi_cmd->invert |= EXCHANGE_MEDIUM_INV1; if (invert2) scsi_cmd->invert |= EXCHANGE_MEDIUM_INV2; cam_fill_csio(csio, retries, cbfcnp, /*flags*/ CAM_DIR_NONE, tag_action, /*data_ptr*/ NULL, /*dxfer_len*/ 0, sense_len, sizeof(*scsi_cmd), timeout); } void scsi_position_to_element(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int32_t tea, u_int32_t dst, int invert, u_int8_t sense_len, u_int32_t timeout) { struct scsi_position_to_element *scsi_cmd; scsi_cmd = (struct scsi_position_to_element *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = POSITION_TO_ELEMENT; scsi_ulto2b(tea, scsi_cmd->tea); scsi_ulto2b(dst, scsi_cmd->dst); if (invert) scsi_cmd->invert |= POSITION_TO_ELEMENT_INVERT; cam_fill_csio(csio, retries, cbfcnp, /*flags*/ CAM_DIR_NONE, tag_action, /*data_ptr*/ NULL, /*dxfer_len*/ 0, sense_len, sizeof(*scsi_cmd), timeout); } void scsi_read_element_status(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, int voltag, u_int32_t sea, int curdata, int dvcid, u_int32_t count, u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, u_int32_t timeout) { struct scsi_read_element_status *scsi_cmd; scsi_cmd = (struct scsi_read_element_status *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = READ_ELEMENT_STATUS; scsi_ulto2b(sea, scsi_cmd->sea); scsi_ulto2b(count, scsi_cmd->count); scsi_ulto3b(dxfer_len, scsi_cmd->len); if (dvcid) scsi_cmd->flags |= READ_ELEMENT_STATUS_DVCID; if (curdata) scsi_cmd->flags |= READ_ELEMENT_STATUS_CURDATA; if (voltag) scsi_cmd->byte2 |= READ_ELEMENT_STATUS_VOLTAG; cam_fill_csio(csio, retries, cbfcnp, /*flags*/ CAM_DIR_IN, tag_action, data_ptr, dxfer_len, sense_len, sizeof(*scsi_cmd), timeout); } void scsi_initialize_element_status(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int8_t sense_len, u_int32_t timeout) { struct scsi_initialize_element_status *scsi_cmd; scsi_cmd = (struct scsi_initialize_element_status *) &csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = INITIALIZE_ELEMENT_STATUS; cam_fill_csio(csio, retries, cbfcnp, /*flags*/ CAM_DIR_NONE, tag_action, /* data_ptr */ NULL, /* dxfer_len */ 0, sense_len, sizeof(*scsi_cmd), timeout); } void scsi_send_volume_tag(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int16_t element_address, u_int8_t send_action_code, struct scsi_send_volume_tag_parameters *parameters, u_int8_t sense_len, u_int32_t timeout) { struct scsi_send_volume_tag *scsi_cmd; scsi_cmd = (struct scsi_send_volume_tag *) &csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = SEND_VOLUME_TAG; scsi_ulto2b(element_address, scsi_cmd->ea); scsi_cmd->sac = send_action_code; scsi_ulto2b(sizeof(*parameters), scsi_cmd->pll); cam_fill_csio(csio, retries, cbfcnp, /*flags*/ CAM_DIR_OUT, tag_action, /* data_ptr */ (u_int8_t *) parameters, sizeof(*parameters), sense_len, sizeof(*scsi_cmd), timeout); } Index: stable/9/sys/cam/scsi/scsi_da.c =================================================================== --- stable/9/sys/cam/scsi/scsi_da.c (revision 257049) +++ stable/9/sys/cam/scsi/scsi_da.c (revision 257050) @@ -1,3848 +1,3844 @@ /*- * Implementation of SCSI Direct Access Peripheral driver for CAM. * * Copyright (c) 1997 Justin T. Gibbs. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #ifdef _KERNEL #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #endif /* _KERNEL */ #ifndef _KERNEL #include #include #endif /* _KERNEL */ #include #include #include #include #include #include #ifndef _KERNEL #include #endif /* !_KERNEL */ #ifdef _KERNEL typedef enum { DA_STATE_PROBE_RC, DA_STATE_PROBE_RC16, DA_STATE_PROBE_LBP, DA_STATE_PROBE_BLK_LIMITS, DA_STATE_PROBE_BDC, DA_STATE_PROBE_ATA, DA_STATE_NORMAL } da_state; typedef enum { DA_FLAG_PACK_INVALID = 0x001, DA_FLAG_NEW_PACK = 0x002, DA_FLAG_PACK_LOCKED = 0x004, DA_FLAG_PACK_REMOVABLE = 0x008, DA_FLAG_NEED_OTAG = 0x020, DA_FLAG_WENT_IDLE = 0x040, DA_FLAG_RETRY_UA = 0x080, DA_FLAG_OPEN = 0x100, DA_FLAG_SCTX_INIT = 0x200, DA_FLAG_CAN_RC16 = 0x400, DA_FLAG_PROBED = 0x800, DA_FLAG_DIRTY = 0x1000 } da_flags; typedef enum { DA_Q_NONE = 0x00, DA_Q_NO_SYNC_CACHE = 0x01, DA_Q_NO_6_BYTE = 0x02, DA_Q_NO_PREVENT = 0x04, DA_Q_4K = 0x08, DA_Q_NO_RC16 = 0x10 } da_quirks; #define DA_Q_BIT_STRING \ "\020" \ "\001NO_SYNC_CACHE" \ "\002NO_6_BYTE" \ "\003NO_PREVENT" \ "\0044K" \ "\005NO_RC16" typedef enum { DA_CCB_PROBE_RC = 0x01, DA_CCB_PROBE_RC16 = 0x02, DA_CCB_PROBE_LBP = 0x03, DA_CCB_PROBE_BLK_LIMITS = 0x04, DA_CCB_PROBE_BDC = 0x05, DA_CCB_PROBE_ATA = 0x06, DA_CCB_BUFFER_IO = 0x07, DA_CCB_WAITING = 0x08, DA_CCB_DUMP = 0x0A, DA_CCB_DELETE = 0x0B, DA_CCB_TUR = 0x0C, DA_CCB_TYPE_MASK = 0x0F, DA_CCB_RETRY_UA = 0x10 } da_ccb_state; /* * Order here is important for method choice * * We prefer ATA_TRIM as tests run against a Sandforce 2281 SSD attached to * LSI 2008 (mps) controller (FW: v12, Drv: v14) resulted 20% quicker deletes * using ATA_TRIM than the corresponding UNMAP results for a real world mysql * import taking 5mins. * */ typedef enum { DA_DELETE_NONE, DA_DELETE_DISABLE, DA_DELETE_ATA_TRIM, DA_DELETE_UNMAP, DA_DELETE_WS16, DA_DELETE_WS10, DA_DELETE_ZERO, DA_DELETE_MIN = DA_DELETE_ATA_TRIM, DA_DELETE_MAX = DA_DELETE_ZERO } da_delete_methods; typedef void da_delete_func_t (struct cam_periph *periph, union ccb *ccb, struct bio *bp); static da_delete_func_t da_delete_trim; static da_delete_func_t da_delete_unmap; static da_delete_func_t da_delete_ws; static const void * da_delete_functions[] = { NULL, NULL, da_delete_trim, da_delete_unmap, da_delete_ws, da_delete_ws, da_delete_ws }; static const char *da_delete_method_names[] = { "NONE", "DISABLE", "ATA_TRIM", "UNMAP", "WS16", "WS10", "ZERO" }; static const char *da_delete_method_desc[] = { "NONE", "DISABLED", "ATA TRIM", "UNMAP", "WRITE SAME(16) with UNMAP", "WRITE SAME(10) with UNMAP", "ZERO" }; /* Offsets into our private area for storing information */ #define ccb_state ppriv_field0 #define ccb_bp ppriv_ptr1 struct disk_params { u_int8_t heads; u_int32_t cylinders; u_int8_t secs_per_track; u_int32_t secsize; /* Number of bytes/sector */ u_int64_t sectors; /* total number sectors */ u_int stripesize; u_int stripeoffset; }; #define UNMAP_RANGE_MAX 0xffffffff #define UNMAP_HEAD_SIZE 8 #define UNMAP_RANGE_SIZE 16 #define UNMAP_MAX_RANGES 2048 /* Protocol Max is 4095 */ #define UNMAP_BUF_SIZE ((UNMAP_MAX_RANGES * UNMAP_RANGE_SIZE) + \ UNMAP_HEAD_SIZE) #define WS10_MAX_BLKS 0xffff #define WS16_MAX_BLKS 0xffffffff #define ATA_TRIM_MAX_RANGES ((UNMAP_BUF_SIZE / \ (ATA_DSM_RANGE_SIZE * ATA_DSM_BLK_SIZE)) * ATA_DSM_BLK_SIZE) struct da_softc { struct bio_queue_head bio_queue; struct bio_queue_head delete_queue; struct bio_queue_head delete_run_queue; SLIST_ENTRY(da_softc) links; LIST_HEAD(, ccb_hdr) pending_ccbs; da_state state; da_flags flags; da_quirks quirks; int sort_io_queue; int minimum_cmd_size; int error_inject; int ordered_tag_count; int outstanding_cmds; int trim_max_ranges; int delete_running; int tur; int delete_available; /* Delete methods possibly available */ uint32_t unmap_max_ranges; uint32_t unmap_max_lba; uint64_t ws_max_blks; da_delete_methods delete_method; da_delete_func_t *delete_func; struct disk_params params; struct disk *disk; union ccb saved_ccb; struct task sysctl_task; struct sysctl_ctx_list sysctl_ctx; struct sysctl_oid *sysctl_tree; struct callout sendordered_c; uint64_t wwpn; uint8_t unmap_buf[UNMAP_BUF_SIZE]; struct scsi_read_capacity_data_long rcaplong; struct callout mediapoll_c; }; #define dadeleteflag(softc, delete_method, enable) \ if (enable) { \ softc->delete_available |= (1 << delete_method); \ } else { \ softc->delete_available &= ~(1 << delete_method); \ } struct da_quirk_entry { struct scsi_inquiry_pattern inq_pat; da_quirks quirks; }; static const char quantum[] = "QUANTUM"; static const char microp[] = "MICROP"; static struct da_quirk_entry da_quirk_table[] = { /* SPI, FC devices */ { /* * Fujitsu M2513A MO drives. * Tested devices: M2513A2 firmware versions 1200 & 1300. * (dip switch selects whether T_DIRECT or T_OPTICAL device) * Reported by: W.Scholten */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* See above. */ {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * This particular Fujitsu drive doesn't like the * synchronize cache command. * Reported by: Tom Jackson */ {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * This drive doesn't like the synchronize cache command * either. Reported by: Matthew Jacob * in NetBSD PR kern/6027, August 24, 1998. */ {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * This drive doesn't like the synchronize cache command * either. Reported by: Hellmuth Michaelis (hm@kts.org) * (PR 8882). */ {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Doesn't like the synchronize cache command. * Reported by: Blaz Zupan */ {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Doesn't like the synchronize cache command. * Reported by: Blaz Zupan */ {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Doesn't like the synchronize cache command. */ {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Doesn't like the synchronize cache command. * Reported by: walter@pelissero.de */ {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Doesn't work correctly with 6 byte reads/writes. * Returns illegal request, and points to byte 9 of the * 6-byte CDB. * Reported by: Adam McDougall */ {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"}, /*quirks*/ DA_Q_NO_6_BYTE }, { /* See above. */ {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"}, /*quirks*/ DA_Q_NO_6_BYTE }, { /* * Doesn't like the synchronize cache command. * Reported by: walter@pelissero.de */ {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * The CISS RAID controllers do not support SYNC_CACHE */ {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, /* USB mass storage devices supported by umass(4) */ { /* * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player * PR: kern/51675 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Power Quotient Int. (PQI) USB flash key * PR: kern/53067 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Creative Nomad MUVO mp3 player (USB) * PR: kern/53094 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT }, { /* * Jungsoft NEXDISK USB flash key * PR: kern/54737 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * FreeDik USB Mini Data Drive * PR: kern/54786 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Sigmatel USB Flash MP3 Player * PR: kern/57046 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT }, { /* * Neuros USB Digital Audio Computer * PR: kern/63645 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * SEAGRAND NP-900 MP3 Player * PR: kern/64563 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT }, { /* * iRiver iFP MP3 player (with UMS Firmware) * PR: kern/54881, i386/63941, kern/66124 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01 * PR: kern/70158 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * ZICPlay USB MP3 Player with FM * PR: kern/75057 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * TEAC USB floppy mechanisms */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Kingston DataTraveler II+ USB Pen-Drive. * Reported by: Pawel Jakub Dawidek */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * USB DISK Pro PMAP * Reported by: jhs * PR: usb/96381 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Motorola E398 Mobile Phone (TransFlash memory card). * Reported by: Wojciech A. Koszek * PR: usb/89889 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Qware BeatZkey! Pro * PR: usb/79164 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Time DPA20B 1GB MP3 Player * PR: usb/81846 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Samsung USB key 128Mb * PR: usb/90081 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Kingston DataTraveler 2.0 USB Flash memory. * PR: usb/89196 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Creative MUVO Slim mp3 player (USB) * PR: usb/86131 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT }, { /* * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3) * PR: usb/80487 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * SanDisk Micro Cruzer 128MB * PR: usb/75970 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * TOSHIBA TransMemory USB sticks * PR: kern/94660 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * PNY USB Flash keys * PR: usb/75578, usb/72344, usb/65436 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Genesys 6-in-1 Card Reader * PR: usb/94647 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Rekam Digital CAMERA * PR: usb/98713 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * iRiver H10 MP3 player * PR: usb/102547 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * iRiver U10 MP3 player * PR: usb/92306 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * X-Micro Flash Disk * PR: usb/96901 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * EasyMP3 EM732X USB 2.0 Flash MP3 Player * PR: usb/96546 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*", "1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Denver MP3 player * PR: usb/107101 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Philips USB Key Audio KEY013 * PR: usb/68412 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT }, { /* * JNC MP3 Player * PR: usb/94439 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * SAMSUNG MP0402H * PR: usb/108427 */ {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * I/O Magic USB flash - Giga Bank * PR: usb/108810 */ {T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * JoyFly 128mb USB Flash Drive * PR: 96133 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * ChipsBnk usb stick * PR: 103702 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A * PR: 129858 */ {T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Samsung YP-U3 mp3-player * PR: 125398 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { {T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*", "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Sony Cyber-Shot DSC cameras * PR: usb/137035 */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT }, { {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler G3", "1.00"}, /*quirks*/ DA_Q_NO_PREVENT }, { /* At least several Transcent USB sticks lie on RC16. */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "JetFlash", "Transcend*", "*"}, /*quirks*/ DA_Q_NO_RC16 }, /* ATA/SATA devices over SAS/USB/... */ { /* Hitachi Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" }, /*quirks*/DA_Q_4K }, { /* Samsung Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" }, /*quirks*/DA_Q_4K }, { /* Samsung Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" }, /*quirks*/DA_Q_4K }, { /* Samsung Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" }, /*quirks*/DA_Q_4K }, { /* Samsung Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" }, /*quirks*/DA_Q_4K }, { /* Seagate Barracuda Green Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" }, /*quirks*/DA_Q_4K }, { /* Seagate Barracuda Green Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" }, /*quirks*/DA_Q_4K }, { /* Seagate Barracuda Green Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" }, /*quirks*/DA_Q_4K }, { /* Seagate Barracuda Green Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" }, /*quirks*/DA_Q_4K }, { /* Seagate Barracuda Green Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" }, /*quirks*/DA_Q_4K }, { /* Seagate Barracuda Green Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" }, /*quirks*/DA_Q_4K }, { /* Seagate Momentus Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" }, /*quirks*/DA_Q_4K }, { /* Seagate Momentus Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" }, /*quirks*/DA_Q_4K }, { /* Seagate Momentus Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" }, /*quirks*/DA_Q_4K }, { /* Seagate Momentus Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" }, /*quirks*/DA_Q_4K }, { /* Seagate Momentus Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" }, /*quirks*/DA_Q_4K }, { /* Seagate Momentus Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" }, /*quirks*/DA_Q_4K }, { /* Seagate Momentus Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" }, /*quirks*/DA_Q_4K }, { /* Seagate Momentus Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" }, /*quirks*/DA_Q_4K }, { /* Seagate Momentus Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" }, /*quirks*/DA_Q_4K }, { /* Seagate Momentus Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" }, /*quirks*/DA_Q_4K }, { /* Seagate Momentus Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" }, /*quirks*/DA_Q_4K }, { /* Seagate Momentus Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" }, /*quirks*/DA_Q_4K }, { /* Seagate Momentus Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" }, /*quirks*/DA_Q_4K }, { /* Seagate Momentus Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" }, /*quirks*/DA_Q_4K }, { /* Seagate Momentus Thin Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" }, /*quirks*/DA_Q_4K }, { /* Seagate Momentus Thin Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" }, /*quirks*/DA_Q_4K }, { /* WDC Caviar Green Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" }, /*quirks*/DA_Q_4K }, { /* WDC Caviar Green Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" }, /*quirks*/DA_Q_4K }, { /* WDC Caviar Green Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" }, /*quirks*/DA_Q_4K }, { /* WDC Caviar Green Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" }, /*quirks*/DA_Q_4K }, { /* WDC Caviar Green Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" }, /*quirks*/DA_Q_4K }, { /* WDC Caviar Green Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" }, /*quirks*/DA_Q_4K }, { /* WDC Caviar Green Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" }, /*quirks*/DA_Q_4K }, { /* WDC Caviar Green Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" }, /*quirks*/DA_Q_4K }, { /* WDC Scorpio Black Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" }, /*quirks*/DA_Q_4K }, { /* WDC Scorpio Black Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" }, /*quirks*/DA_Q_4K }, { /* WDC Scorpio Black Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" }, /*quirks*/DA_Q_4K }, { /* WDC Scorpio Black Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" }, /*quirks*/DA_Q_4K }, { /* WDC Scorpio Blue Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" }, /*quirks*/DA_Q_4K }, { /* WDC Scorpio Blue Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" }, /*quirks*/DA_Q_4K }, { /* WDC Scorpio Blue Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" }, /*quirks*/DA_Q_4K }, { /* WDC Scorpio Blue Advanced Format (4k) drives */ { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" }, /*quirks*/DA_Q_4K }, { /* * Olympus FE-210 camera */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * LG UP3S MP3 player */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * Laser MP3-2GA13 MP3 player */ {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, { /* * LaCie external 250GB Hard drive des by Porsche * Submitted by: Ben Stuyts * PR: 121474 */ {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, /* SATA SSDs */ { /* * Corsair Force 2 SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair CSSD-F*", "*" }, /*quirks*/DA_Q_4K }, { /* * Corsair Force 3 SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force 3*", "*" }, /*quirks*/DA_Q_4K }, { /* * Corsair Force GT SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force GT*", "*" }, /*quirks*/DA_Q_4K }, { /* * Crucial M4 SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "M4-CT???M4SSD2*", "*" }, /*quirks*/DA_Q_4K }, { /* * Crucial RealSSD C300 SSDs * 4k optimised */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "C300-CTFDDAC???MAG*", "*" }, /*quirks*/DA_Q_4K }, { /* * Intel 320 Series SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2CW*", "*" }, /*quirks*/DA_Q_4K }, { /* * Intel 330 Series SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2CT*", "*" }, /*quirks*/DA_Q_4K }, { /* * Intel 510 Series SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2MH*", "*" }, /*quirks*/DA_Q_4K }, { /* * Intel 520 Series SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BW*", "*" }, /*quirks*/DA_Q_4K }, { /* * Intel X25-M Series SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2M*", "*" }, /*quirks*/DA_Q_4K }, { /* * Kingston E100 Series SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SE100S3*", "*" }, /*quirks*/DA_Q_4K }, { /* * Kingston HyperX 3k SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SH103S3*", "*" }, /*quirks*/DA_Q_4K }, { /* * Marvell SSDs (entry taken from OpenSolaris) * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MARVELL SD88SA02*", "*" }, /*quirks*/DA_Q_4K }, { /* * OCZ Agility 2 SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" }, /*quirks*/DA_Q_4K }, { /* * OCZ Agility 3 SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-AGILITY3*", "*" }, /*quirks*/DA_Q_4K }, { /* * OCZ Deneva R Series SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "DENRSTE251M45*", "*" }, /*quirks*/DA_Q_4K }, { /* * OCZ Vertex 2 SSDs (inc pro series) * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ?VERTEX2*", "*" }, /*quirks*/DA_Q_4K }, { /* * OCZ Vertex 3 SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX3*", "*" }, /*quirks*/DA_Q_4K }, { /* * OCZ Vertex 4 SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX4*", "*" }, /*quirks*/DA_Q_4K }, { /* * Samsung 830 Series SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG SSD 830 Series*", "*" }, /*quirks*/DA_Q_4K }, { /* * SuperTalent TeraDrive CT SSDs * 4k optimised & trim only works in 4k requests + 4k aligned */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" }, /*quirks*/DA_Q_4K }, { /* * XceedIOPS SATA SSDs * 4k optimised */ { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" }, /*quirks*/DA_Q_4K }, }; static disk_strategy_t dastrategy; static dumper_t dadump; static periph_init_t dainit; static void daasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg); static void dasysctlinit(void *context, int pending); static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS); static int dadeletemethodsysctl(SYSCTL_HANDLER_ARGS); static int dadeletemaxsysctl(SYSCTL_HANDLER_ARGS); static void dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method); static off_t dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method); static void dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method); static void daprobedone(struct cam_periph *periph, union ccb *ccb); static periph_ctor_t daregister; static periph_dtor_t dacleanup; static periph_start_t dastart; static periph_oninv_t daoninvalidate; static void dadone(struct cam_periph *periph, union ccb *done_ccb); static int daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags); static void daprevent(struct cam_periph *periph, int action); static void dareprobe(struct cam_periph *periph); static void dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector, struct scsi_read_capacity_data_long *rcaplong, size_t rcap_size); static timeout_t dasendorderedtag; static void dashutdown(void *arg, int howto); static timeout_t damediapoll; #ifndef DA_DEFAULT_POLL_PERIOD #define DA_DEFAULT_POLL_PERIOD 3 #endif #ifndef DA_DEFAULT_TIMEOUT #define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */ #endif #ifndef DA_DEFAULT_RETRY #define DA_DEFAULT_RETRY 4 #endif #ifndef DA_DEFAULT_SEND_ORDERED #define DA_DEFAULT_SEND_ORDERED 1 #endif #define DA_SIO (softc->sort_io_queue >= 0 ? \ softc->sort_io_queue : cam_sort_io_queues) static int da_poll_period = DA_DEFAULT_POLL_PERIOD; static int da_retry_count = DA_DEFAULT_RETRY; static int da_default_timeout = DA_DEFAULT_TIMEOUT; static int da_send_ordered = DA_DEFAULT_SEND_ORDERED; static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0, "CAM Direct Access Disk driver"); SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RW, &da_poll_period, 0, "Media polling period in seconds"); TUNABLE_INT("kern.cam.da.poll_period", &da_poll_period); SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW, &da_retry_count, 0, "Normal I/O retry count"); TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count); SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW, &da_default_timeout, 0, "Normal I/O timeout (in seconds)"); TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout); SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RW, &da_send_ordered, 0, "Send Ordered Tags"); TUNABLE_INT("kern.cam.da.send_ordered", &da_send_ordered); /* * DA_ORDEREDTAG_INTERVAL determines how often, relative * to the default timeout, we check to see whether an ordered * tagged transaction is appropriate to prevent simple tag * starvation. Since we'd like to ensure that there is at least * 1/2 of the timeout length left for a starved transaction to * complete after we've sent an ordered tag, we must poll at least * four times in every timeout period. This takes care of the worst * case where a starved transaction starts during an interval that * meets the requirement "don't send an ordered tag" test so it takes * us two intervals to determine that a tag must be sent. */ #ifndef DA_ORDEREDTAG_INTERVAL #define DA_ORDEREDTAG_INTERVAL 4 #endif static struct periph_driver dadriver = { dainit, "da", TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0 }; PERIPHDRIVER_DECLARE(da, dadriver); static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers"); static int daopen(struct disk *dp) { struct cam_periph *periph; struct da_softc *softc; int error; periph = (struct cam_periph *)dp->d_drv1; if (cam_periph_acquire(periph) != CAM_REQ_CMP) { return (ENXIO); } cam_periph_lock(periph); if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { cam_periph_unlock(periph); cam_periph_release(periph); return (error); } CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, ("daopen\n")); softc = (struct da_softc *)periph->softc; dareprobe(periph); /* Wait for the disk size update. */ error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO, "dareprobe", 0); if (error != 0) xpt_print(periph->path, "unable to retrieve capacity data"); if (periph->flags & CAM_PERIPH_INVALID) error = ENXIO; if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && (softc->quirks & DA_Q_NO_PREVENT) == 0) daprevent(periph, PR_PREVENT); if (error == 0) { softc->flags &= ~DA_FLAG_PACK_INVALID; softc->flags |= DA_FLAG_OPEN; } cam_periph_unhold(periph); cam_periph_unlock(periph); if (error != 0) cam_periph_release(periph); return (error); } static int daclose(struct disk *dp) { struct cam_periph *periph; struct da_softc *softc; int error; periph = (struct cam_periph *)dp->d_drv1; cam_periph_lock(periph); if (cam_periph_hold(periph, PRIBIO) != 0) { cam_periph_unlock(periph); cam_periph_release(periph); return (0); } softc = (struct da_softc *)periph->softc; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, ("daclose\n")); if ((softc->flags & DA_FLAG_DIRTY) != 0 && (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 && (softc->flags & DA_FLAG_PACK_INVALID) == 0) { union ccb *ccb; ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); scsi_synchronize_cache(&ccb->csio, /*retries*/1, /*cbfcnp*/dadone, MSG_SIMPLE_Q_TAG, /*begin_lba*/0,/* Cover the whole disk */ /*lb_count*/0, SSD_FULL_SIZE, 5 * 60 * 1000); error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0, /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR, softc->disk->d_devstat); if (error == 0) softc->flags &= ~DA_FLAG_DIRTY; xpt_release_ccb(ccb); } if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) { if ((softc->quirks & DA_Q_NO_PREVENT) == 0) daprevent(periph, PR_ALLOW); /* * If we've got removeable media, mark the blocksize as * unavailable, since it could change when new media is * inserted. */ softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; } softc->flags &= ~DA_FLAG_OPEN; cam_periph_unhold(periph); cam_periph_unlock(periph); cam_periph_release(periph); return (0); } static void daschedule(struct cam_periph *periph) { struct da_softc *softc = (struct da_softc *)periph->softc; uint32_t prio; if (softc->state != DA_STATE_NORMAL) return; /* Check if cam_periph_getccb() was called. */ prio = periph->immediate_priority; /* Check if we have more work to do. */ if (bioq_first(&softc->bio_queue) || (!softc->delete_running && bioq_first(&softc->delete_queue)) || softc->tur) { prio = CAM_PRIORITY_NORMAL; } /* Schedule CCB if any of above is true. */ if (prio != CAM_PRIORITY_NONE) xpt_schedule(periph, prio); } /* * Actually translate the requested transfer into one the physical driver * can understand. The transfer is described by a buf and will include * only one physical transfer. */ static void dastrategy(struct bio *bp) { struct cam_periph *periph; struct da_softc *softc; periph = (struct cam_periph *)bp->bio_disk->d_drv1; softc = (struct da_softc *)periph->softc; cam_periph_lock(periph); /* * If the device has been made invalid, error out */ if ((softc->flags & DA_FLAG_PACK_INVALID)) { cam_periph_unlock(periph); biofinish(bp, NULL, ENXIO); return; } CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp)); /* * Place it in the queue of disk activities for this disk */ if (bp->bio_cmd == BIO_DELETE) { if (bp->bio_bcount == 0) biodone(bp); else if (DA_SIO) bioq_disksort(&softc->delete_queue, bp); else bioq_insert_tail(&softc->delete_queue, bp); } else if (DA_SIO) { bioq_disksort(&softc->bio_queue, bp); } else { bioq_insert_tail(&softc->bio_queue, bp); } /* * Schedule ourselves for performing the work. */ daschedule(periph); cam_periph_unlock(periph); return; } static int dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) { struct cam_periph *periph; struct da_softc *softc; u_int secsize; struct ccb_scsiio csio; struct disk *dp; int error = 0; dp = arg; periph = dp->d_drv1; softc = (struct da_softc *)periph->softc; cam_periph_lock(periph); secsize = softc->params.secsize; if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { cam_periph_unlock(periph); return (ENXIO); } if (length > 0) { xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); csio.ccb_h.ccb_state = DA_CCB_DUMP; scsi_read_write(&csio, /*retries*/0, dadone, MSG_ORDERED_Q_TAG, /*read*/SCSI_RW_WRITE, /*byte2*/0, /*minimum_cmd_size*/ softc->minimum_cmd_size, offset / secsize, length / secsize, /*data_ptr*/(u_int8_t *) virtual, /*dxfer_len*/length, /*sense_len*/SSD_FULL_SIZE, da_default_timeout * 1000); xpt_polled_action((union ccb *)&csio); error = cam_periph_error((union ccb *)&csio, 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0) cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0, /*reduction*/0, /*timeout*/0, /*getcount_only*/0); if (error != 0) printf("Aborting dump due to I/O error.\n"); cam_periph_unlock(periph); return (error); } /* * Sync the disk cache contents to the physical media. */ if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); csio.ccb_h.ccb_state = DA_CCB_DUMP; scsi_synchronize_cache(&csio, /*retries*/0, /*cbfcnp*/dadone, MSG_SIMPLE_Q_TAG, /*begin_lba*/0,/* Cover the whole disk */ /*lb_count*/0, SSD_FULL_SIZE, 5 * 60 * 1000); xpt_polled_action((union ccb *)&csio); error = cam_periph_error((union ccb *)&csio, 0, SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, NULL); if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0) cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0, /*reduction*/0, /*timeout*/0, /*getcount_only*/0); if (error != 0) xpt_print(periph->path, "Synchronize cache failed\n"); } cam_periph_unlock(periph); return (error); } static int dagetattr(struct bio *bp) { int ret; struct cam_periph *periph; periph = (struct cam_periph *)bp->bio_disk->d_drv1; cam_periph_lock(periph); ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, periph->path); cam_periph_unlock(periph); if (ret == 0) bp->bio_completed = bp->bio_length; return ret; } static void dainit(void) { cam_status status; /* * Install a global async callback. This callback will * receive async callbacks like "new device found". */ status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL); if (status != CAM_REQ_CMP) { printf("da: Failed to attach master async callback " "due to status 0x%x!\n", status); } else if (da_send_ordered) { /* Register our shutdown event handler */ if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown, NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) printf("dainit: shutdown event registration failed!\n"); } } /* * Callback from GEOM, called when it has finished cleaning up its * resources. */ static void dadiskgonecb(struct disk *dp) { struct cam_periph *periph; periph = (struct cam_periph *)dp->d_drv1; cam_periph_release(periph); } static void daoninvalidate(struct cam_periph *periph) { struct da_softc *softc; softc = (struct da_softc *)periph->softc; /* * De-register any async callbacks. */ xpt_register_async(0, daasync, periph, periph->path); softc->flags |= DA_FLAG_PACK_INVALID; /* * Return all queued I/O with ENXIO. * XXX Handle any transactions queued to the card * with XPT_ABORT_CCB. */ bioq_flush(&softc->bio_queue, NULL, ENXIO); bioq_flush(&softc->delete_queue, NULL, ENXIO); /* * Tell GEOM that we've gone away, we'll get a callback when it is * done cleaning up its resources. */ disk_gone(softc->disk); - - xpt_print(periph->path, "lost device - %d outstanding, %d refs\n", - softc->outstanding_cmds, periph->refcount); } static void dacleanup(struct cam_periph *periph) { struct da_softc *softc; softc = (struct da_softc *)periph->softc; - xpt_print(periph->path, "removing device entry\n"); cam_periph_unlock(periph); /* * If we can't free the sysctl tree, oh well... */ if ((softc->flags & DA_FLAG_SCTX_INIT) != 0 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { xpt_print(periph->path, "can't remove sysctl context\n"); } callout_drain(&softc->mediapoll_c); disk_destroy(softc->disk); callout_drain(&softc->sendordered_c); free(softc, M_DEVBUF); cam_periph_lock(periph); } static void daasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg) { struct cam_periph *periph; struct da_softc *softc; periph = (struct cam_periph *)callback_arg; switch (code) { case AC_FOUND_DEVICE: { struct ccb_getdev *cgd; cam_status status; cgd = (struct ccb_getdev *)arg; if (cgd == NULL) break; if (cgd->protocol != PROTO_SCSI) break; if (SID_TYPE(&cgd->inq_data) != T_DIRECT && SID_TYPE(&cgd->inq_data) != T_RBC && SID_TYPE(&cgd->inq_data) != T_OPTICAL) break; /* * Allocate a peripheral instance for * this device and start the probe * process. */ status = cam_periph_alloc(daregister, daoninvalidate, dacleanup, dastart, "da", CAM_PERIPH_BIO, cgd->ccb_h.path, daasync, AC_FOUND_DEVICE, cgd); if (status != CAM_REQ_CMP && status != CAM_REQ_INPROG) printf("daasync: Unable to attach to new device " "due to status 0x%x\n", status); return; } case AC_ADVINFO_CHANGED: { uintptr_t buftype; buftype = (uintptr_t)arg; if (buftype == CDAI_TYPE_PHYS_PATH) { struct da_softc *softc; softc = periph->softc; disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT); } break; } case AC_UNIT_ATTENTION: { union ccb *ccb; int error_code, sense_key, asc, ascq; softc = (struct da_softc *)periph->softc; ccb = (union ccb *)arg; /* * Handle all UNIT ATTENTIONs except our own, * as they will be handled by daerror(). */ if (xpt_path_periph(ccb->ccb_h.path) != periph && scsi_extract_sense_ccb(ccb, &error_code, &sense_key, &asc, &ascq)) { if (asc == 0x2A && ascq == 0x09) { xpt_print(ccb->ccb_h.path, "capacity data has changed\n"); dareprobe(periph); } else if (asc == 0x28 && ascq == 0x00) disk_media_changed(softc->disk, M_NOWAIT); } cam_periph_async(periph, code, path, arg); break; } case AC_SCSI_AEN: softc = (struct da_softc *)periph->softc; if (!softc->tur) { if (cam_periph_acquire(periph) == CAM_REQ_CMP) { softc->tur = 1; daschedule(periph); } } /* FALLTHROUGH */ case AC_SENT_BDR: case AC_BUS_RESET: { struct ccb_hdr *ccbh; softc = (struct da_softc *)periph->softc; /* * Don't fail on the expected unit attention * that will occur. */ softc->flags |= DA_FLAG_RETRY_UA; LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) ccbh->ccb_state |= DA_CCB_RETRY_UA; break; } default: break; } cam_periph_async(periph, code, path, arg); } static void dasysctlinit(void *context, int pending) { struct cam_periph *periph; struct da_softc *softc; char tmpstr[80], tmpstr2[80]; struct ccb_trans_settings cts; periph = (struct cam_periph *)context; /* * periph was held for us when this task was enqueued */ if (periph->flags & CAM_PERIPH_INVALID) { cam_periph_release(periph); return; } softc = (struct da_softc *)periph->softc; snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number); snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); sysctl_ctx_init(&softc->sysctl_ctx); softc->flags |= DA_FLAG_SCTX_INIT; softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2, CTLFLAG_RD, 0, tmpstr); if (softc->sysctl_tree == NULL) { printf("dasysctlinit: unable to allocate sysctl tree\n"); cam_periph_release(periph); return; } /* * Now register the sysctl handler, so the user can change the value on * the fly. */ SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RW, softc, 0, dadeletemethodsysctl, "A", "BIO_DELETE execution method"); SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "delete_max", CTLTYPE_U64 | CTLFLAG_RW, softc, 0, dadeletemaxsysctl, "Q", "Maximum BIO_DELETE size"); SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I", "Minimum CDB size"); SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "sort_io_queue", CTLFLAG_RW, &softc->sort_io_queue, 0, "Sort IO queue to try and optimise disk access patterns"); SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "error_inject", CTLFLAG_RW, &softc->error_inject, 0, "error_inject leaf"); /* * Add some addressing info. */ memset(&cts, 0, sizeof (cts)); xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; cts.type = CTS_TYPE_CURRENT_SETTINGS; cam_periph_lock(periph); xpt_action((union ccb *)&cts); cam_periph_unlock(periph); if (cts.ccb_h.status != CAM_REQ_CMP) { cam_periph_release(periph); return; } if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) { struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc; if (fc->valid & CTS_FC_VALID_WWPN) { softc->wwpn = fc->wwpn; SYSCTL_ADD_UQUAD(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "wwpn", CTLFLAG_RD, &softc->wwpn, "World Wide Port Name"); } } cam_periph_release(periph); } static int dadeletemaxsysctl(SYSCTL_HANDLER_ARGS) { int error; uint64_t value; struct da_softc *softc; softc = (struct da_softc *)arg1; value = softc->disk->d_delmaxsize; error = sysctl_handle_64(oidp, &value, 0, req); if ((error != 0) || (req->newptr == NULL)) return (error); /* only accept values smaller than the calculated value */ if (value > dadeletemaxsize(softc, softc->delete_method)) { return (EINVAL); } softc->disk->d_delmaxsize = value; return (0); } static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS) { int error, value; value = *(int *)arg1; error = sysctl_handle_int(oidp, &value, 0, req); if ((error != 0) || (req->newptr == NULL)) return (error); /* * Acceptable values here are 6, 10, 12 or 16. */ if (value < 6) value = 6; else if ((value > 6) && (value <= 10)) value = 10; else if ((value > 10) && (value <= 12)) value = 12; else if (value > 12) value = 16; *(int *)arg1 = value; return (0); } static void dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method) { softc->delete_method = delete_method; softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method); softc->delete_func = da_delete_functions[delete_method]; if (softc->delete_method > DA_DELETE_DISABLE) softc->disk->d_flags |= DISKFLAG_CANDELETE; else softc->disk->d_flags &= ~DISKFLAG_CANDELETE; } static off_t dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method) { off_t sectors; switch(delete_method) { case DA_DELETE_UNMAP: sectors = (off_t)softc->unmap_max_lba * softc->unmap_max_ranges; break; case DA_DELETE_ATA_TRIM: sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges; break; case DA_DELETE_WS16: sectors = (off_t)min(softc->ws_max_blks, WS16_MAX_BLKS); break; case DA_DELETE_ZERO: case DA_DELETE_WS10: sectors = (off_t)min(softc->ws_max_blks, WS10_MAX_BLKS); break; default: return 0; } return (off_t)softc->params.secsize * min(sectors, (off_t)softc->params.sectors); } static void daprobedone(struct cam_periph *periph, union ccb *ccb) { struct da_softc *softc; softc = (struct da_softc *)periph->softc; dadeletemethodchoose(softc, DA_DELETE_NONE); if (bootverbose && (softc->flags & DA_FLAG_PROBED) == 0) { char buf[80]; int i, sep; snprintf(buf, sizeof(buf), "Delete methods: <"); sep = 0; for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) { if (softc->delete_available & (1 << i)) { if (sep) { strlcat(buf, ",", sizeof(buf)); } else { sep = 1; } strlcat(buf, da_delete_method_names[i], sizeof(buf)); if (i == softc->delete_method) { strlcat(buf, "(*)", sizeof(buf)); } } } if (sep == 0) { if (softc->delete_method == DA_DELETE_NONE) strlcat(buf, "NONE(*)", sizeof(buf)); else strlcat(buf, "DISABLED(*)", sizeof(buf)); } strlcat(buf, ">", sizeof(buf)); printf("%s%d: %s\n", periph->periph_name, periph->unit_number, buf); } /* * Since our peripheral may be invalidated by an error * above or an external event, we must release our CCB * before releasing the probe lock on the peripheral. * The peripheral will only go away once the last lock * is removed, and we need it around for the CCB release * operation. */ xpt_release_ccb(ccb); softc->state = DA_STATE_NORMAL; daschedule(periph); wakeup(&softc->disk->d_mediasize); if ((softc->flags & DA_FLAG_PROBED) == 0) { softc->flags |= DA_FLAG_PROBED; cam_periph_unhold(periph); } else cam_periph_release_locked(periph); } static void dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method) { int i, delete_method; delete_method = default_method; /* * Use the pre-defined order to choose the best * performing delete. */ for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) { if (softc->delete_available & (1 << i)) { dadeletemethodset(softc, i); return; } } dadeletemethodset(softc, delete_method); } static int dadeletemethodsysctl(SYSCTL_HANDLER_ARGS) { char buf[16]; const char *p; struct da_softc *softc; int i, error, value; softc = (struct da_softc *)arg1; value = softc->delete_method; if (value < 0 || value > DA_DELETE_MAX) p = "UNKNOWN"; else p = da_delete_method_names[value]; strncpy(buf, p, sizeof(buf)); error = sysctl_handle_string(oidp, buf, sizeof(buf), req); if (error != 0 || req->newptr == NULL) return (error); for (i = 0; i <= DA_DELETE_MAX; i++) { if (!(softc->delete_available & (1 << i)) || strcmp(buf, da_delete_method_names[i]) != 0) continue; dadeletemethodset(softc, i); return (0); } return (EINVAL); } static cam_status daregister(struct cam_periph *periph, void *arg) { struct da_softc *softc; struct ccb_pathinq cpi; struct ccb_getdev *cgd; char tmpstr[80]; caddr_t match; cgd = (struct ccb_getdev *)arg; if (cgd == NULL) { printf("daregister: no getdev CCB, can't register device\n"); return(CAM_REQ_CMP_ERR); } softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF, M_NOWAIT|M_ZERO); if (softc == NULL) { printf("daregister: Unable to probe new device. " "Unable to allocate softc\n"); return(CAM_REQ_CMP_ERR); } LIST_INIT(&softc->pending_ccbs); softc->state = DA_STATE_PROBE_RC; bioq_init(&softc->bio_queue); bioq_init(&softc->delete_queue); bioq_init(&softc->delete_run_queue); if (SID_IS_REMOVABLE(&cgd->inq_data)) softc->flags |= DA_FLAG_PACK_REMOVABLE; softc->unmap_max_ranges = UNMAP_MAX_RANGES; softc->unmap_max_lba = UNMAP_RANGE_MAX; softc->ws_max_blks = WS16_MAX_BLKS; softc->trim_max_ranges = ATA_TRIM_MAX_RANGES; softc->sort_io_queue = -1; periph->softc = softc; /* * See if this device has any quirks. */ match = cam_quirkmatch((caddr_t)&cgd->inq_data, (caddr_t)da_quirk_table, sizeof(da_quirk_table)/sizeof(*da_quirk_table), sizeof(*da_quirk_table), scsi_inquiry_match); if (match != NULL) softc->quirks = ((struct da_quirk_entry *)match)->quirks; else softc->quirks = DA_Q_NONE; /* Check if the SIM does not want 6 byte commands */ bzero(&cpi, sizeof(cpi)); xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); cpi.ccb_h.func_code = XPT_PATH_INQ; xpt_action((union ccb *)&cpi); if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) softc->quirks |= DA_Q_NO_6_BYTE; TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph); /* * Take an exclusive refcount on the periph while dastart is called * to finish the probe. The reference will be dropped in dadone at * the end of probe. */ (void)cam_periph_hold(periph, PRIBIO); /* * Schedule a periodic event to occasionally send an * ordered tag to a device. */ callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0); callout_reset(&softc->sendordered_c, (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL, dasendorderedtag, softc); cam_periph_unlock(periph); /* * RBC devices don't have to support READ(6), only READ(10). */ if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC) softc->minimum_cmd_size = 10; else softc->minimum_cmd_size = 6; /* * Load the user's default, if any. */ snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size", periph->unit_number); TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size); /* * 6, 10, 12 and 16 are the currently permissible values. */ if (softc->minimum_cmd_size < 6) softc->minimum_cmd_size = 6; else if ((softc->minimum_cmd_size > 6) && (softc->minimum_cmd_size <= 10)) softc->minimum_cmd_size = 10; else if ((softc->minimum_cmd_size > 10) && (softc->minimum_cmd_size <= 12)) softc->minimum_cmd_size = 12; else if (softc->minimum_cmd_size > 12) softc->minimum_cmd_size = 16; /* Predict whether device may support READ CAPACITY(16). */ if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 && (softc->quirks & DA_Q_NO_RC16) == 0) { softc->flags |= DA_FLAG_CAN_RC16; softc->state = DA_STATE_PROBE_RC16; } /* * Register this media as a disk. */ softc->disk = disk_alloc(); softc->disk->d_devstat = devstat_new_entry(periph->periph_name, periph->unit_number, 0, DEVSTAT_BS_UNAVAILABLE, SID_TYPE(&cgd->inq_data) | XPORT_DEVSTAT_TYPE(cpi.transport), DEVSTAT_PRIORITY_DISK); softc->disk->d_open = daopen; softc->disk->d_close = daclose; softc->disk->d_strategy = dastrategy; softc->disk->d_dump = dadump; softc->disk->d_getattr = dagetattr; softc->disk->d_gone = dadiskgonecb; softc->disk->d_name = "da"; softc->disk->d_drv1 = periph; if (cpi.maxio == 0) softc->disk->d_maxsize = DFLTPHYS; /* traditional default */ else if (cpi.maxio > MAXPHYS) softc->disk->d_maxsize = MAXPHYS; /* for safety */ else softc->disk->d_maxsize = cpi.maxio; softc->disk->d_unit = periph->unit_number; softc->disk->d_flags = 0; if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; if ((cpi.hba_misc & PIM_UNMAPPED) != 0) softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor, sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr)); strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr)); cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)], cgd->inq_data.product, sizeof(cgd->inq_data.product), sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr)); softc->disk->d_hba_vendor = cpi.hba_vendor; softc->disk->d_hba_device = cpi.hba_device; softc->disk->d_hba_subvendor = cpi.hba_subvendor; softc->disk->d_hba_subdevice = cpi.hba_subdevice; /* * Acquire a reference to the periph before we register with GEOM. * We'll release this reference once GEOM calls us back (via * dadiskgonecb()) telling us that our provider has been freed. */ if (cam_periph_acquire(periph) != CAM_REQ_CMP) { xpt_print(periph->path, "%s: lost periph during " "registration!\n", __func__); cam_periph_lock(periph); return (CAM_REQ_CMP_ERR); } disk_create(softc->disk, DISK_VERSION); cam_periph_lock(periph); /* * Add async callbacks for events of interest. * I don't bother checking if this fails as, * in most cases, the system will function just * fine without them and the only alternative * would be to not attach the device on failure. */ xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION, daasync, periph, periph->path); /* * Emit an attribute changed notification just in case * physical path information arrived before our async * event handler was registered, but after anyone attaching * to our disk device polled it. */ disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT); /* * Schedule a periodic media polling events. */ callout_init_mtx(&softc->mediapoll_c, periph->sim->mtx, 0); if ((softc->flags & DA_FLAG_PACK_REMOVABLE) && (cgd->inq_flags & SID_AEN) == 0 && da_poll_period != 0) callout_reset(&softc->mediapoll_c, da_poll_period * hz, damediapoll, periph); xpt_schedule(periph, CAM_PRIORITY_DEV); return(CAM_REQ_CMP); } static void dastart(struct cam_periph *periph, union ccb *start_ccb) { struct da_softc *softc; softc = (struct da_softc *)periph->softc; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n")); skipstate: switch (softc->state) { case DA_STATE_NORMAL: { struct bio *bp; uint8_t tag_code; /* Execute immediate CCB if waiting. */ if (periph->immediate_priority <= periph->pinfo.priority) { CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("queuing for immediate ccb\n")); start_ccb->ccb_h.ccb_state = DA_CCB_WAITING; SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, periph_links.sle); periph->immediate_priority = CAM_PRIORITY_NONE; wakeup(&periph->ccb_list); /* May have more work to do, so ensure we stay scheduled */ daschedule(periph); break; } /* Run BIO_DELETE if not running yet. */ if (!softc->delete_running && (bp = bioq_first(&softc->delete_queue)) != NULL) { if (softc->delete_func != NULL) { softc->delete_func(periph, start_ccb, bp); goto out; } else { bioq_flush(&softc->delete_queue, NULL, 0); /* FALLTHROUGH */ } } /* Run regular command. */ bp = bioq_takefirst(&softc->bio_queue); if (bp == NULL) { if (softc->tur) { softc->tur = 0; scsi_test_unit_ready(&start_ccb->csio, /*retries*/ da_retry_count, dadone, MSG_SIMPLE_Q_TAG, SSD_FULL_SIZE, da_default_timeout * 1000); start_ccb->ccb_h.ccb_bp = NULL; start_ccb->ccb_h.ccb_state = DA_CCB_TUR; xpt_action(start_ccb); } else xpt_release_ccb(start_ccb); break; } if (softc->tur) { softc->tur = 0; cam_periph_release_locked(periph); } if ((bp->bio_flags & BIO_ORDERED) != 0 || (softc->flags & DA_FLAG_NEED_OTAG) != 0) { softc->flags &= ~DA_FLAG_NEED_OTAG; softc->ordered_tag_count++; tag_code = MSG_ORDERED_Q_TAG; } else { tag_code = MSG_SIMPLE_Q_TAG; } switch (bp->bio_cmd) { case BIO_WRITE: softc->flags |= DA_FLAG_DIRTY; /* FALLTHROUGH */ case BIO_READ: scsi_read_write(&start_ccb->csio, /*retries*/da_retry_count, /*cbfcnp*/dadone, /*tag_action*/tag_code, /*read_op*/(bp->bio_cmd == BIO_READ ? SCSI_RW_READ : SCSI_RW_WRITE) | ((bp->bio_flags & BIO_UNMAPPED) != 0 ? SCSI_RW_BIO : 0), /*byte2*/0, softc->minimum_cmd_size, /*lba*/bp->bio_pblkno, /*block_count*/bp->bio_bcount / softc->params.secsize, /*data_ptr*/ (bp->bio_flags & BIO_UNMAPPED) != 0 ? (void *)bp : bp->bio_data, /*dxfer_len*/ bp->bio_bcount, /*sense_len*/SSD_FULL_SIZE, da_default_timeout * 1000); break; case BIO_FLUSH: /* * BIO_FLUSH doesn't currently communicate * range data, so we synchronize the cache * over the whole disk. We also force * ordered tag semantics the flush applies * to all previously queued I/O. */ scsi_synchronize_cache(&start_ccb->csio, /*retries*/1, /*cbfcnp*/dadone, MSG_ORDERED_Q_TAG, /*begin_lba*/0, /*lb_count*/0, SSD_FULL_SIZE, da_default_timeout*1000); break; } start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO; out: /* * Block out any asynchronous callbacks * while we touch the pending ccb list. */ LIST_INSERT_HEAD(&softc->pending_ccbs, &start_ccb->ccb_h, periph_links.le); softc->outstanding_cmds++; /* We expect a unit attention from this device */ if ((softc->flags & DA_FLAG_RETRY_UA) != 0) { start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA; softc->flags &= ~DA_FLAG_RETRY_UA; } start_ccb->ccb_h.ccb_bp = bp; xpt_action(start_ccb); /* May have more work to do, so ensure we stay scheduled */ daschedule(periph); break; } case DA_STATE_PROBE_RC: { struct scsi_read_capacity_data *rcap; rcap = (struct scsi_read_capacity_data *) malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO); if (rcap == NULL) { printf("dastart: Couldn't malloc read_capacity data\n"); /* da_free_periph??? */ break; } scsi_read_capacity(&start_ccb->csio, /*retries*/da_retry_count, dadone, MSG_SIMPLE_Q_TAG, rcap, SSD_FULL_SIZE, /*timeout*/5000); start_ccb->ccb_h.ccb_bp = NULL; start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC; xpt_action(start_ccb); break; } case DA_STATE_PROBE_RC16: { struct scsi_read_capacity_data_long *rcaplong; rcaplong = (struct scsi_read_capacity_data_long *) malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO); if (rcaplong == NULL) { printf("dastart: Couldn't malloc read_capacity data\n"); /* da_free_periph??? */ break; } scsi_read_capacity_16(&start_ccb->csio, /*retries*/ da_retry_count, /*cbfcnp*/ dadone, /*tag_action*/ MSG_SIMPLE_Q_TAG, /*lba*/ 0, /*reladr*/ 0, /*pmi*/ 0, rcaplong, /*sense_len*/ SSD_FULL_SIZE, /*timeout*/ da_default_timeout * 1000); start_ccb->ccb_h.ccb_bp = NULL; start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16; xpt_action(start_ccb); break; } case DA_STATE_PROBE_LBP: { struct scsi_vpd_logical_block_prov *lbp; if (!scsi_vpd_supported_page(periph, SVPD_LBP)) { /* * If we get here we don't support any SBC-3 delete * methods with UNMAP as the Logical Block Provisioning * VPD page support is required for devices which * support it according to T10/1799-D Revision 31 * however older revisions of the spec don't mandate * this so we currently don't remove these methods * from the available set. */ softc->state = DA_STATE_PROBE_BLK_LIMITS; goto skipstate; } lbp = (struct scsi_vpd_logical_block_prov *) malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO); if (lbp == NULL) { printf("dastart: Couldn't malloc lbp data\n"); /* da_free_periph??? */ break; } scsi_inquiry(&start_ccb->csio, /*retries*/da_retry_count, /*cbfcnp*/dadone, /*tag_action*/MSG_SIMPLE_Q_TAG, /*inq_buf*/(u_int8_t *)lbp, /*inq_len*/sizeof(*lbp), /*evpd*/TRUE, /*page_code*/SVPD_LBP, /*sense_len*/SSD_MIN_SIZE, /*timeout*/da_default_timeout * 1000); start_ccb->ccb_h.ccb_bp = NULL; start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP; xpt_action(start_ccb); break; } case DA_STATE_PROBE_BLK_LIMITS: { struct scsi_vpd_block_limits *block_limits; if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) { /* Not supported skip to next probe */ softc->state = DA_STATE_PROBE_BDC; goto skipstate; } block_limits = (struct scsi_vpd_block_limits *) malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO); if (block_limits == NULL) { printf("dastart: Couldn't malloc block_limits data\n"); /* da_free_periph??? */ break; } scsi_inquiry(&start_ccb->csio, /*retries*/da_retry_count, /*cbfcnp*/dadone, /*tag_action*/MSG_SIMPLE_Q_TAG, /*inq_buf*/(u_int8_t *)block_limits, /*inq_len*/sizeof(*block_limits), /*evpd*/TRUE, /*page_code*/SVPD_BLOCK_LIMITS, /*sense_len*/SSD_MIN_SIZE, /*timeout*/da_default_timeout * 1000); start_ccb->ccb_h.ccb_bp = NULL; start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS; xpt_action(start_ccb); break; } case DA_STATE_PROBE_BDC: { struct scsi_vpd_block_characteristics *bdc; if (!scsi_vpd_supported_page(periph, SVPD_BDC)) { softc->state = DA_STATE_PROBE_ATA; goto skipstate; } bdc = (struct scsi_vpd_block_characteristics *) malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO); if (bdc == NULL) { printf("dastart: Couldn't malloc bdc data\n"); /* da_free_periph??? */ break; } scsi_inquiry(&start_ccb->csio, /*retries*/da_retry_count, /*cbfcnp*/dadone, /*tag_action*/MSG_SIMPLE_Q_TAG, /*inq_buf*/(u_int8_t *)bdc, /*inq_len*/sizeof(*bdc), /*evpd*/TRUE, /*page_code*/SVPD_BDC, /*sense_len*/SSD_MIN_SIZE, /*timeout*/da_default_timeout * 1000); start_ccb->ccb_h.ccb_bp = NULL; start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC; xpt_action(start_ccb); break; } case DA_STATE_PROBE_ATA: { struct ata_params *ata_params; if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) { daprobedone(periph, start_ccb); break; } ata_params = (struct ata_params*) malloc(sizeof(*ata_params), M_SCSIDA, M_NOWAIT|M_ZERO); if (ata_params == NULL) { printf("dastart: Couldn't malloc ata_params data\n"); /* da_free_periph??? */ break; } scsi_ata_identify(&start_ccb->csio, /*retries*/da_retry_count, /*cbfcnp*/dadone, /*tag_action*/MSG_SIMPLE_Q_TAG, /*data_ptr*/(u_int8_t *)ata_params, /*dxfer_len*/sizeof(*ata_params), /*sense_len*/SSD_FULL_SIZE, /*timeout*/da_default_timeout * 1000); start_ccb->ccb_h.ccb_bp = NULL; start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA; xpt_action(start_ccb); break; } } } /* * In each of the methods below, while its the caller's * responsibility to ensure the request will fit into a * single device request, we might have changed the delete * method due to the device incorrectly advertising either * its supported methods or limits. * * To prevent this causing further issues we validate the * against the methods limits, and warn which would * otherwise be unnecessary. */ static void da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp) { struct da_softc *softc = (struct da_softc *)periph->softc;; struct bio *bp1; uint8_t *buf = softc->unmap_buf; uint64_t lba, lastlba = (uint64_t)-1; uint64_t totalcount = 0; uint64_t count; uint32_t lastcount = 0, c; uint32_t off, ranges = 0; /* * Currently this doesn't take the UNMAP * Granularity and Granularity Alignment * fields into account. * * This could result in both unoptimal unmap * requests as as well as UNMAP calls unmapping * fewer LBA's than requested. */ softc->delete_running = 1; bzero(softc->unmap_buf, sizeof(softc->unmap_buf)); bp1 = bp; do { bioq_remove(&softc->delete_queue, bp1); if (bp1 != bp) bioq_insert_tail(&softc->delete_run_queue, bp1); lba = bp1->bio_pblkno; count = bp1->bio_bcount / softc->params.secsize; /* Try to extend the previous range. */ if (lba == lastlba) { c = min(count, softc->unmap_max_lba - lastcount); lastcount += c; off = ((ranges - 1) * UNMAP_RANGE_SIZE) + UNMAP_HEAD_SIZE; scsi_ulto4b(lastcount, &buf[off + 8]); count -= c; lba +=c; totalcount += c; } while (count > 0) { c = min(count, softc->unmap_max_lba); if (totalcount + c > softc->unmap_max_lba || ranges >= softc->unmap_max_ranges) { xpt_print(periph->path, "%s issuing short delete %ld > %ld" "|| %d >= %d", da_delete_method_desc[softc->delete_method], totalcount + c, softc->unmap_max_lba, ranges, softc->unmap_max_ranges); break; } off = (ranges * UNMAP_RANGE_SIZE) + UNMAP_HEAD_SIZE; scsi_u64to8b(lba, &buf[off + 0]); scsi_ulto4b(c, &buf[off + 8]); lba += c; totalcount += c; ranges++; count -= c; lastcount = c; } lastlba = lba; bp1 = bioq_first(&softc->delete_queue); if (bp1 == NULL || ranges >= softc->unmap_max_ranges || totalcount + bp1->bio_bcount / softc->params.secsize > softc->unmap_max_lba) break; } while (1); scsi_ulto2b(ranges * 16 + 6, &buf[0]); scsi_ulto2b(ranges * 16, &buf[2]); scsi_unmap(&ccb->csio, /*retries*/da_retry_count, /*cbfcnp*/dadone, /*tag_action*/MSG_SIMPLE_Q_TAG, /*byte2*/0, /*data_ptr*/ buf, /*dxfer_len*/ ranges * 16 + 8, /*sense_len*/SSD_FULL_SIZE, da_default_timeout * 1000); ccb->ccb_h.ccb_state = DA_CCB_DELETE; } static void da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp) { struct da_softc *softc = (struct da_softc *)periph->softc; struct bio *bp1; uint8_t *buf = softc->unmap_buf; uint64_t lastlba = (uint64_t)-1; uint64_t count; uint64_t lba; uint32_t lastcount = 0, c, requestcount; int ranges = 0, off, block_count; softc->delete_running = 1; bzero(softc->unmap_buf, sizeof(softc->unmap_buf)); bp1 = bp; do { bioq_remove(&softc->delete_queue, bp1); if (bp1 != bp) bioq_insert_tail(&softc->delete_run_queue, bp1); lba = bp1->bio_pblkno; count = bp1->bio_bcount / softc->params.secsize; requestcount = count; /* Try to extend the previous range. */ if (lba == lastlba) { c = min(count, ATA_DSM_RANGE_MAX - lastcount); lastcount += c; off = (ranges - 1) * 8; buf[off + 6] = lastcount & 0xff; buf[off + 7] = (lastcount >> 8) & 0xff; count -= c; lba += c; } while (count > 0) { c = min(count, ATA_DSM_RANGE_MAX); off = ranges * 8; buf[off + 0] = lba & 0xff; buf[off + 1] = (lba >> 8) & 0xff; buf[off + 2] = (lba >> 16) & 0xff; buf[off + 3] = (lba >> 24) & 0xff; buf[off + 4] = (lba >> 32) & 0xff; buf[off + 5] = (lba >> 40) & 0xff; buf[off + 6] = c & 0xff; buf[off + 7] = (c >> 8) & 0xff; lba += c; ranges++; count -= c; lastcount = c; if (count != 0 && ranges == softc->trim_max_ranges) { xpt_print(periph->path, "%s issuing short delete %ld > %ld", da_delete_method_desc[softc->delete_method], requestcount, (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX); break; } } lastlba = lba; bp1 = bioq_first(&softc->delete_queue); if (bp1 == NULL || bp1->bio_bcount / softc->params.secsize > (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) break; } while (1); block_count = (ranges + ATA_DSM_BLK_RANGES - 1) / ATA_DSM_BLK_RANGES; scsi_ata_trim(&ccb->csio, /*retries*/da_retry_count, /*cbfcnp*/dadone, /*tag_action*/MSG_SIMPLE_Q_TAG, block_count, /*data_ptr*/buf, /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE, /*sense_len*/SSD_FULL_SIZE, da_default_timeout * 1000); ccb->ccb_h.ccb_state = DA_CCB_DELETE; } /* * We calculate ws_max_blks here based off d_delmaxsize instead * of using softc->ws_max_blks as it is absolute max for the * device not the protocol max which may well be lower */ static void da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp) { struct da_softc *softc; struct bio *bp1; uint64_t ws_max_blks; uint64_t lba; uint64_t count; /* forward compat with WS32 */ softc = (struct da_softc *)periph->softc; ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize; softc->delete_running = 1; lba = bp->bio_pblkno; count = 0; bp1 = bp; do { bioq_remove(&softc->delete_queue, bp1); if (bp1 != bp) bioq_insert_tail(&softc->delete_run_queue, bp1); count += bp1->bio_bcount / softc->params.secsize; if (count > ws_max_blks) { count = min(count, ws_max_blks); xpt_print(periph->path, "%s issuing short delete %ld > %ld", da_delete_method_desc[softc->delete_method], count, ws_max_blks); break; } bp1 = bioq_first(&softc->delete_queue); if (bp1 == NULL || lba + count != bp1->bio_pblkno || count + bp1->bio_bcount / softc->params.secsize > ws_max_blks) break; } while (1); scsi_write_same(&ccb->csio, /*retries*/da_retry_count, /*cbfcnp*/dadone, /*tag_action*/MSG_SIMPLE_Q_TAG, /*byte2*/softc->delete_method == DA_DELETE_ZERO ? 0 : SWS_UNMAP, softc->delete_method == DA_DELETE_WS16 ? 16 : 10, /*lba*/lba, /*block_count*/count, /*data_ptr*/ __DECONST(void *, zero_region), /*dxfer_len*/ softc->params.secsize, /*sense_len*/SSD_FULL_SIZE, da_default_timeout * 1000); ccb->ccb_h.ccb_state = DA_CCB_DELETE; } static int cmd6workaround(union ccb *ccb) { struct scsi_rw_6 cmd6; struct scsi_rw_10 *cmd10; struct da_softc *softc; u_int8_t *cdb; struct bio *bp; int frozen; cdb = ccb->csio.cdb_io.cdb_bytes; softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc; if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) { da_delete_methods old_method = softc->delete_method; /* * Typically there are two reasons for failure here * 1. Delete method was detected as supported but isn't * 2. Delete failed due to invalid params e.g. too big * * While we will attempt to choose an alternative delete method * this may result in short deletes if the existing delete * requests from geom are big for the new method choosen. * * This method assumes that the error which triggered this * will not retry the io otherwise a panic will occur */ dadeleteflag(softc, old_method, 0); dadeletemethodchoose(softc, DA_DELETE_DISABLE); if (softc->delete_method == DA_DELETE_DISABLE) xpt_print(ccb->ccb_h.path, "%s failed, disabling BIO_DELETE\n", da_delete_method_desc[old_method]); else xpt_print(ccb->ccb_h.path, "%s failed, switching to %s BIO_DELETE\n", da_delete_method_desc[old_method], da_delete_method_desc[softc->delete_method]); if (DA_SIO) { while ((bp = bioq_takefirst(&softc->delete_run_queue)) != NULL) bioq_disksort(&softc->delete_queue, bp); } else { while ((bp = bioq_takefirst(&softc->delete_run_queue)) != NULL) bioq_insert_tail(&softc->delete_queue, bp); } bioq_insert_tail(&softc->delete_queue, (struct bio *)ccb->ccb_h.ccb_bp); ccb->ccb_h.ccb_bp = NULL; return (0); } /* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */ if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 && (*cdb == PREVENT_ALLOW) && (softc->quirks & DA_Q_NO_PREVENT) == 0) { if (bootverbose) xpt_print(ccb->ccb_h.path, "PREVENT ALLOW MEDIUM REMOVAL not supported.\n"); softc->quirks |= DA_Q_NO_PREVENT; return (0); } /* Detect unsupported SYNCHRONIZE CACHE(10). */ if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 && (*cdb == SYNCHRONIZE_CACHE) && (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { if (bootverbose) xpt_print(ccb->ccb_h.path, "SYNCHRONIZE CACHE(10) not supported.\n"); softc->quirks |= DA_Q_NO_SYNC_CACHE; softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE; return (0); } /* Translation only possible if CDB is an array and cmd is R/W6 */ if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 || (*cdb != READ_6 && *cdb != WRITE_6)) return 0; xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, " "increasing minimum_cmd_size to 10.\n"); softc->minimum_cmd_size = 10; bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6)); cmd10 = (struct scsi_rw_10 *)cdb; cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10; cmd10->byte2 = 0; scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr); cmd10->reserved = 0; scsi_ulto2b(cmd6.length, cmd10->length); cmd10->control = cmd6.control; ccb->csio.cdb_len = sizeof(*cmd10); /* Requeue request, unfreezing queue if necessary */ frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; ccb->ccb_h.status = CAM_REQUEUE_REQ; xpt_action(ccb); if (frozen) { cam_release_devq(ccb->ccb_h.path, /*relsim_flags*/0, /*reduction*/0, /*timeout*/0, /*getcount_only*/0); } return (ERESTART); } static void dadone(struct cam_periph *periph, union ccb *done_ccb) { struct da_softc *softc; struct ccb_scsiio *csio; u_int32_t priority; da_ccb_state state; softc = (struct da_softc *)periph->softc; priority = done_ccb->ccb_h.pinfo.priority; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n")); csio = &done_ccb->csio; state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK; switch (state) { case DA_CCB_BUFFER_IO: case DA_CCB_DELETE: { struct bio *bp, *bp1; bp = (struct bio *)done_ccb->ccb_h.ccb_bp; if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { int error; int sf; if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0) sf = SF_RETRY_UA; else sf = 0; error = daerror(done_ccb, CAM_RETRY_SELTO, sf); if (error == ERESTART) { /* * A retry was scheduled, so * just return. */ return; } bp = (struct bio *)done_ccb->ccb_h.ccb_bp; if (error != 0) { int queued_error; /* * return all queued I/O with EIO, so that * the client can retry these I/Os in the * proper order should it attempt to recover. */ queued_error = EIO; if (error == ENXIO && (softc->flags & DA_FLAG_PACK_INVALID)== 0) { /* * Catastrophic error. Mark our pack as * invalid. */ /* * XXX See if this is really a media * XXX change first? */ xpt_print(periph->path, "Invalidating pack\n"); softc->flags |= DA_FLAG_PACK_INVALID; queued_error = ENXIO; } bioq_flush(&softc->bio_queue, NULL, queued_error); if (bp != NULL) { bp->bio_error = error; bp->bio_resid = bp->bio_bcount; bp->bio_flags |= BIO_ERROR; } } else if (bp != NULL) { if (state == DA_CCB_DELETE) bp->bio_resid = 0; else bp->bio_resid = csio->resid; bp->bio_error = 0; if (bp->bio_resid != 0) bp->bio_flags |= BIO_ERROR; } if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) cam_release_devq(done_ccb->ccb_h.path, /*relsim_flags*/0, /*reduction*/0, /*timeout*/0, /*getcount_only*/0); } else if (bp != NULL) { if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) panic("REQ_CMP with QFRZN"); if (state == DA_CCB_DELETE) bp->bio_resid = 0; else bp->bio_resid = csio->resid; if (csio->resid > 0) bp->bio_flags |= BIO_ERROR; if (softc->error_inject != 0) { bp->bio_error = softc->error_inject; bp->bio_resid = bp->bio_bcount; bp->bio_flags |= BIO_ERROR; softc->error_inject = 0; } } /* * Block out any asynchronous callbacks * while we touch the pending ccb list. */ LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); softc->outstanding_cmds--; if (softc->outstanding_cmds == 0) softc->flags |= DA_FLAG_WENT_IDLE; if (state == DA_CCB_DELETE) { while ((bp1 = bioq_takefirst(&softc->delete_run_queue)) != NULL) { bp1->bio_error = bp->bio_error; if (bp->bio_flags & BIO_ERROR) { bp1->bio_flags |= BIO_ERROR; bp1->bio_resid = bp1->bio_bcount; } else bp1->bio_resid = 0; biodone(bp1); } softc->delete_running = 0; if (bp != NULL) biodone(bp); daschedule(periph); } else if (bp != NULL) biodone(bp); break; } case DA_CCB_PROBE_RC: case DA_CCB_PROBE_RC16: { struct scsi_read_capacity_data *rdcap; struct scsi_read_capacity_data_long *rcaplong; char announce_buf[80]; int lbp; lbp = 0; rdcap = NULL; rcaplong = NULL; if (state == DA_CCB_PROBE_RC) rdcap =(struct scsi_read_capacity_data *)csio->data_ptr; else rcaplong = (struct scsi_read_capacity_data_long *) csio->data_ptr; if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { struct disk_params *dp; uint32_t block_size; uint64_t maxsector; u_int lbppbe; /* LB per physical block exponent. */ u_int lalba; /* Lowest aligned LBA. */ if (state == DA_CCB_PROBE_RC) { block_size = scsi_4btoul(rdcap->length); maxsector = scsi_4btoul(rdcap->addr); lbppbe = 0; lalba = 0; /* * According to SBC-2, if the standard 10 * byte READ CAPACITY command returns 2^32, * we should issue the 16 byte version of * the command, since the device in question * has more sectors than can be represented * with the short version of the command. */ if (maxsector == 0xffffffff) { free(rdcap, M_SCSIDA); xpt_release_ccb(done_ccb); softc->state = DA_STATE_PROBE_RC16; xpt_schedule(periph, priority); return; } } else { block_size = scsi_4btoul(rcaplong->length); maxsector = scsi_8btou64(rcaplong->addr); lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE; lalba = scsi_2btoul(rcaplong->lalba_lbp); } /* * Because GEOM code just will panic us if we * give them an 'illegal' value we'll avoid that * here. */ if (block_size == 0 && maxsector == 0) { block_size = 512; maxsector = -1; } if (block_size >= MAXPHYS || block_size == 0) { xpt_print(periph->path, "unsupportable block size %ju\n", (uintmax_t) block_size); announce_buf[0] = '\0'; cam_periph_invalidate(periph); } else { /* * We pass rcaplong into dasetgeom(), * because it will only use it if it is * non-NULL. */ dasetgeom(periph, block_size, maxsector, rcaplong, sizeof(*rcaplong)); lbp = (lalba & SRC16_LBPME_A); dp = &softc->params; snprintf(announce_buf, sizeof(announce_buf), "%juMB (%ju %u byte sectors: %dH %dS/T " "%dC)", (uintmax_t) (((uintmax_t)dp->secsize * dp->sectors) / (1024*1024)), (uintmax_t)dp->sectors, dp->secsize, dp->heads, dp->secs_per_track, dp->cylinders); } } else { int error; announce_buf[0] = '\0'; /* * Retry any UNIT ATTENTION type errors. They * are expected at boot. */ error = daerror(done_ccb, CAM_RETRY_SELTO, SF_RETRY_UA|SF_NO_PRINT); if (error == ERESTART) { /* * A retry was scheuled, so * just return. */ return; } else if (error != 0) { int asc, ascq; int sense_key, error_code; int have_sense; cam_status status; struct ccb_getdev cgd; /* Don't wedge this device's queue */ status = done_ccb->ccb_h.status; if ((status & CAM_DEV_QFRZN) != 0) cam_release_devq(done_ccb->ccb_h.path, /*relsim_flags*/0, /*reduction*/0, /*timeout*/0, /*getcount_only*/0); xpt_setup_ccb(&cgd.ccb_h, done_ccb->ccb_h.path, CAM_PRIORITY_NORMAL); cgd.ccb_h.func_code = XPT_GDEV_TYPE; xpt_action((union ccb *)&cgd); if (scsi_extract_sense_ccb(done_ccb, &error_code, &sense_key, &asc, &ascq)) have_sense = TRUE; else have_sense = FALSE; /* * If we tried READ CAPACITY(16) and failed, * fallback to READ CAPACITY(10). */ if ((state == DA_CCB_PROBE_RC16) && (softc->flags & DA_FLAG_CAN_RC16) && (((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) || ((have_sense) && (error_code == SSD_CURRENT_ERROR) && (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) { softc->flags &= ~DA_FLAG_CAN_RC16; free(rdcap, M_SCSIDA); xpt_release_ccb(done_ccb); softc->state = DA_STATE_PROBE_RC; xpt_schedule(periph, priority); return; } else /* * Attach to anything that claims to be a * direct access or optical disk device, * as long as it doesn't return a "Logical * unit not supported" (0x25) error. */ if ((have_sense) && (asc != 0x25) && (error_code == SSD_CURRENT_ERROR)) { const char *sense_key_desc; const char *asc_desc; dasetgeom(periph, 512, -1, NULL, 0); scsi_sense_desc(sense_key, asc, ascq, &cgd.inq_data, &sense_key_desc, &asc_desc); snprintf(announce_buf, sizeof(announce_buf), "Attempt to query device " "size failed: %s, %s", sense_key_desc, asc_desc); } else { if (have_sense) scsi_sense_print( &done_ccb->csio); else { xpt_print(periph->path, "got CAM status %#x\n", done_ccb->ccb_h.status); } xpt_print(periph->path, "fatal error, " "failed to attach to device\n"); /* * Free up resources. */ cam_periph_invalidate(periph); } } } free(csio->data_ptr, M_SCSIDA); if (announce_buf[0] != '\0' && ((softc->flags & DA_FLAG_PROBED) == 0)) { /* * Create our sysctl variables, now that we know * we have successfully attached. */ /* increase the refcount */ if (cam_periph_acquire(periph) == CAM_REQ_CMP) { taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task); xpt_announce_periph(periph, announce_buf); xpt_announce_quirks(periph, softc->quirks, DA_Q_BIT_STRING); } else { xpt_print(periph->path, "fatal error, " "could not acquire reference count\n"); } } /* Ensure re-probe doesn't see old delete. */ softc->delete_available = 0; if (lbp) { /* * Based on older SBC-3 spec revisions * any of the UNMAP methods "may" be * available via LBP given this flag so * we flag all of them as availble and * then remove those which further * probes confirm aren't available * later. * * We could also check readcap(16) p_type * flag to exclude one or more invalid * write same (X) types here */ dadeleteflag(softc, DA_DELETE_WS16, 1); dadeleteflag(softc, DA_DELETE_WS10, 1); dadeleteflag(softc, DA_DELETE_ZERO, 1); dadeleteflag(softc, DA_DELETE_UNMAP, 1); xpt_release_ccb(done_ccb); softc->state = DA_STATE_PROBE_LBP; xpt_schedule(periph, priority); return; } xpt_release_ccb(done_ccb); softc->state = DA_STATE_PROBE_BDC; xpt_schedule(periph, priority); return; } case DA_CCB_PROBE_LBP: { struct scsi_vpd_logical_block_prov *lbp; lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr; if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { /* * T10/1799-D Revision 31 states at least one of these * must be supported but we don't currently enforce this. */ dadeleteflag(softc, DA_DELETE_WS16, (lbp->flags & SVPD_LBP_WS16)); dadeleteflag(softc, DA_DELETE_WS10, (lbp->flags & SVPD_LBP_WS10)); dadeleteflag(softc, DA_DELETE_ZERO, (lbp->flags & SVPD_LBP_WS10)); dadeleteflag(softc, DA_DELETE_UNMAP, (lbp->flags & SVPD_LBP_UNMAP)); if (lbp->flags & SVPD_LBP_UNMAP) { free(lbp, M_SCSIDA); xpt_release_ccb(done_ccb); softc->state = DA_STATE_PROBE_BLK_LIMITS; xpt_schedule(periph, priority); return; } } else { int error; error = daerror(done_ccb, CAM_RETRY_SELTO, SF_RETRY_UA|SF_NO_PRINT); if (error == ERESTART) return; else if (error != 0) { if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { /* Don't wedge this device's queue */ cam_release_devq(done_ccb->ccb_h.path, /*relsim_flags*/0, /*reduction*/0, /*timeout*/0, /*getcount_only*/0); } /* * Failure indicates we don't support any SBC-3 * delete methods with UNMAP */ } } free(lbp, M_SCSIDA); xpt_release_ccb(done_ccb); softc->state = DA_STATE_PROBE_BDC; xpt_schedule(periph, priority); return; } case DA_CCB_PROBE_BLK_LIMITS: { struct scsi_vpd_block_limits *block_limits; block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr; if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { uint32_t max_unmap_lba_cnt = scsi_4btoul( block_limits->max_unmap_lba_cnt); uint32_t max_unmap_blk_cnt = scsi_4btoul( block_limits->max_unmap_blk_cnt); uint64_t ws_max_blks = scsi_8btou64( block_limits->max_write_same_length); /* * We should already support UNMAP but we check lba * and block count to be sure */ if (max_unmap_lba_cnt != 0x00L && max_unmap_blk_cnt != 0x00L) { softc->unmap_max_lba = max_unmap_lba_cnt; softc->unmap_max_ranges = min(max_unmap_blk_cnt, UNMAP_MAX_RANGES); } else { /* * Unexpected UNMAP limits which means the * device doesn't actually support UNMAP */ dadeleteflag(softc, DA_DELETE_UNMAP, 0); } if (ws_max_blks != 0x00L) softc->ws_max_blks = ws_max_blks; } else { int error; error = daerror(done_ccb, CAM_RETRY_SELTO, SF_RETRY_UA|SF_NO_PRINT); if (error == ERESTART) return; else if (error != 0) { if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { /* Don't wedge this device's queue */ cam_release_devq(done_ccb->ccb_h.path, /*relsim_flags*/0, /*reduction*/0, /*timeout*/0, /*getcount_only*/0); } /* * Failure here doesn't mean UNMAP is not * supported as this is an optional page. */ softc->unmap_max_lba = 1; softc->unmap_max_ranges = 1; } } free(block_limits, M_SCSIDA); xpt_release_ccb(done_ccb); softc->state = DA_STATE_PROBE_BDC; xpt_schedule(periph, priority); return; } case DA_CCB_PROBE_BDC: { struct scsi_vpd_block_characteristics *bdc; bdc = (struct scsi_vpd_block_characteristics *)csio->data_ptr; if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { /* * Disable queue sorting for non-rotational media * by default. */ if (scsi_2btoul(bdc->medium_rotation_rate) == SVPD_BDC_RATE_NONE_ROTATING) softc->sort_io_queue = 0; } else { int error; error = daerror(done_ccb, CAM_RETRY_SELTO, SF_RETRY_UA|SF_NO_PRINT); if (error == ERESTART) return; else if (error != 0) { if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { /* Don't wedge this device's queue */ cam_release_devq(done_ccb->ccb_h.path, /*relsim_flags*/0, /*reduction*/0, /*timeout*/0, /*getcount_only*/0); } } } free(bdc, M_SCSIDA); xpt_release_ccb(done_ccb); softc->state = DA_STATE_PROBE_ATA; xpt_schedule(periph, priority); return; } case DA_CCB_PROBE_ATA: { int i; struct ata_params *ata_params; int16_t *ptr; ata_params = (struct ata_params *)csio->data_ptr; ptr = (uint16_t *)ata_params; if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { for (i = 0; i < sizeof(*ata_params) / 2; i++) ptr[i] = le16toh(ptr[i]); if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM) { dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1); if (ata_params->max_dsm_blocks != 0) softc->trim_max_ranges = min( softc->trim_max_ranges, ata_params->max_dsm_blocks * ATA_DSM_BLK_RANGES); } /* * Disable queue sorting for non-rotational media * by default. */ if (ata_params->media_rotation_rate == 1) softc->sort_io_queue = 0; } else { int error; error = daerror(done_ccb, CAM_RETRY_SELTO, SF_RETRY_UA|SF_NO_PRINT); if (error == ERESTART) return; else if (error != 0) { if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { /* Don't wedge this device's queue */ cam_release_devq(done_ccb->ccb_h.path, /*relsim_flags*/0, /*reduction*/0, /*timeout*/0, /*getcount_only*/0); } } } free(ata_params, M_SCSIDA); daprobedone(periph, done_ccb); return; } case DA_CCB_WAITING: { /* Caller will release the CCB */ wakeup(&done_ccb->ccb_h.cbfcnp); return; } case DA_CCB_DUMP: /* No-op. We're polling */ return; case DA_CCB_TUR: { if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { if (daerror(done_ccb, CAM_RETRY_SELTO, SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) == ERESTART) return; if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) cam_release_devq(done_ccb->ccb_h.path, /*relsim_flags*/0, /*reduction*/0, /*timeout*/0, /*getcount_only*/0); } xpt_release_ccb(done_ccb); cam_periph_release_locked(periph); return; } default: break; } xpt_release_ccb(done_ccb); } static void dareprobe(struct cam_periph *periph) { struct da_softc *softc; cam_status status; softc = (struct da_softc *)periph->softc; /* Probe in progress; don't interfere. */ if (softc->state != DA_STATE_NORMAL) return; status = cam_periph_acquire(periph); KASSERT(status == CAM_REQ_CMP, ("dareprobe: cam_periph_acquire failed")); if (softc->flags & DA_FLAG_CAN_RC16) softc->state = DA_STATE_PROBE_RC16; else softc->state = DA_STATE_PROBE_RC; xpt_schedule(periph, CAM_PRIORITY_DEV); } static int daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) { struct da_softc *softc; struct cam_periph *periph; int error, error_code, sense_key, asc, ascq; periph = xpt_path_periph(ccb->ccb_h.path); softc = (struct da_softc *)periph->softc; /* * Automatically detect devices that do not support * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs. */ error = 0; if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { error = cmd6workaround(ccb); } else if (scsi_extract_sense_ccb(ccb, &error_code, &sense_key, &asc, &ascq)) { if (sense_key == SSD_KEY_ILLEGAL_REQUEST) error = cmd6workaround(ccb); /* * If the target replied with CAPACITY DATA HAS CHANGED UA, * query the capacity and notify upper layers. */ else if (sense_key == SSD_KEY_UNIT_ATTENTION && asc == 0x2A && ascq == 0x09) { xpt_print(periph->path, "capacity data has changed\n"); dareprobe(periph); sense_flags |= SF_NO_PRINT; } else if (sense_key == SSD_KEY_UNIT_ATTENTION && asc == 0x28 && ascq == 0x00) disk_media_changed(softc->disk, M_NOWAIT); else if (sense_key == SSD_KEY_NOT_READY && asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) { softc->flags |= DA_FLAG_PACK_INVALID; disk_media_gone(softc->disk, M_NOWAIT); } } if (error == ERESTART) return (ERESTART); /* * XXX * Until we have a better way of doing pack validation, * don't treat UAs as errors. */ sense_flags |= SF_RETRY_UA; return(cam_periph_error(ccb, cam_flags, sense_flags, &softc->saved_ccb)); } static void damediapoll(void *arg) { struct cam_periph *periph = arg; struct da_softc *softc = periph->softc; if (!softc->tur && softc->outstanding_cmds == 0) { if (cam_periph_acquire(periph) == CAM_REQ_CMP) { softc->tur = 1; daschedule(periph); } } /* Queue us up again */ if (da_poll_period != 0) callout_schedule(&softc->mediapoll_c, da_poll_period * hz); } static void daprevent(struct cam_periph *periph, int action) { struct da_softc *softc; union ccb *ccb; int error; softc = (struct da_softc *)periph->softc; if (((action == PR_ALLOW) && (softc->flags & DA_FLAG_PACK_LOCKED) == 0) || ((action == PR_PREVENT) && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) { return; } ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); scsi_prevent(&ccb->csio, /*retries*/1, /*cbcfp*/dadone, MSG_SIMPLE_Q_TAG, action, SSD_FULL_SIZE, 5000); error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO, SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat); if (error == 0) { if (action == PR_ALLOW) softc->flags &= ~DA_FLAG_PACK_LOCKED; else softc->flags |= DA_FLAG_PACK_LOCKED; } xpt_release_ccb(ccb); } static void dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector, struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len) { struct ccb_calc_geometry ccg; struct da_softc *softc; struct disk_params *dp; u_int lbppbe, lalba; softc = (struct da_softc *)periph->softc; dp = &softc->params; dp->secsize = block_len; dp->sectors = maxsector + 1; if (rcaplong != NULL) { lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE; lalba = scsi_2btoul(rcaplong->lalba_lbp); lalba &= SRC16_LALBA_A; } else { lbppbe = 0; lalba = 0; } if (lbppbe > 0) { dp->stripesize = block_len << lbppbe; dp->stripeoffset = (dp->stripesize - block_len * lalba) % dp->stripesize; } else if (softc->quirks & DA_Q_4K) { dp->stripesize = 4096; dp->stripeoffset = 0; } else { dp->stripesize = 0; dp->stripeoffset = 0; } /* * Have the controller provide us with a geometry * for this disk. The only time the geometry * matters is when we boot and the controller * is the only one knowledgeable enough to come * up with something that will make this a bootable * device. */ xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL); ccg.ccb_h.func_code = XPT_CALC_GEOMETRY; ccg.block_size = dp->secsize; ccg.volume_size = dp->sectors; ccg.heads = 0; ccg.secs_per_track = 0; ccg.cylinders = 0; xpt_action((union ccb*)&ccg); if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { /* * We don't know what went wrong here- but just pick * a geometry so we don't have nasty things like divide * by zero. */ dp->heads = 255; dp->secs_per_track = 255; dp->cylinders = dp->sectors / (255 * 255); if (dp->cylinders == 0) { dp->cylinders = 1; } } else { dp->heads = ccg.heads; dp->secs_per_track = ccg.secs_per_track; dp->cylinders = ccg.cylinders; } /* * If the user supplied a read capacity buffer, and if it is * different than the previous buffer, update the data in the EDT. * If it's the same, we don't bother. This avoids sending an * update every time someone opens this device. */ if ((rcaplong != NULL) && (bcmp(rcaplong, &softc->rcaplong, min(sizeof(softc->rcaplong), rcap_len)) != 0)) { struct ccb_dev_advinfo cdai; xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL); cdai.ccb_h.func_code = XPT_DEV_ADVINFO; cdai.buftype = CDAI_TYPE_RCAPLONG; cdai.flags |= CDAI_FLAG_STORE; cdai.bufsiz = rcap_len; cdai.buf = (uint8_t *)rcaplong; xpt_action((union ccb *)&cdai); if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0) cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE); if (cdai.ccb_h.status != CAM_REQ_CMP) { xpt_print(periph->path, "%s: failed to set read " "capacity advinfo\n", __func__); /* Use cam_error_print() to decode the status */ cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS, CAM_EPF_ALL); } else { bcopy(rcaplong, &softc->rcaplong, min(sizeof(softc->rcaplong), rcap_len)); } } softc->disk->d_sectorsize = softc->params.secsize; softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors; softc->disk->d_stripesize = softc->params.stripesize; softc->disk->d_stripeoffset = softc->params.stripeoffset; /* XXX: these are not actually "firmware" values, so they may be wrong */ softc->disk->d_fwsectors = softc->params.secs_per_track; softc->disk->d_fwheads = softc->params.heads; softc->disk->d_devstat->block_size = softc->params.secsize; softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; } static void dasendorderedtag(void *arg) { struct da_softc *softc = arg; if (da_send_ordered) { if ((softc->ordered_tag_count == 0) && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) { softc->flags |= DA_FLAG_NEED_OTAG; } if (softc->outstanding_cmds > 0) softc->flags &= ~DA_FLAG_WENT_IDLE; softc->ordered_tag_count = 0; } /* Queue us up again */ callout_reset(&softc->sendordered_c, (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL, dasendorderedtag, softc); } /* * Step through all DA peripheral drivers, and if the device is still open, * sync the disk cache to physical media. */ static void dashutdown(void * arg, int howto) { struct cam_periph *periph; struct da_softc *softc; union ccb *ccb; int error; CAM_PERIPH_FOREACH(periph, &dadriver) { softc = (struct da_softc *)periph->softc; if (SCHEDULER_STOPPED()) { /* If we paniced with the lock held, do not recurse. */ if (!cam_periph_owned(periph) && (softc->flags & DA_FLAG_OPEN)) { dadump(softc->disk, NULL, 0, 0, 0); } continue; } cam_periph_lock(periph); /* * We only sync the cache if the drive is still open, and * if the drive is capable of it.. */ if (((softc->flags & DA_FLAG_OPEN) == 0) || (softc->quirks & DA_Q_NO_SYNC_CACHE)) { cam_periph_unlock(periph); continue; } ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); scsi_synchronize_cache(&ccb->csio, /*retries*/0, /*cbfcnp*/dadone, MSG_SIMPLE_Q_TAG, /*begin_lba*/0, /* whole disk */ /*lb_count*/0, SSD_FULL_SIZE, 60 * 60 * 1000); error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0, /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, softc->disk->d_devstat); if (error != 0) xpt_print(periph->path, "Synchronize cache failed\n"); xpt_release_ccb(ccb); cam_periph_unlock(periph); } } #else /* !_KERNEL */ /* * XXX This is only left out of the kernel build to silence warnings. If, * for some reason this function is used in the kernel, the ifdefs should * be moved so it is included both in the kernel and userland. */ void scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave, u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, u_int32_t timeout) { struct scsi_format_unit *scsi_cmd; scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes; scsi_cmd->opcode = FORMAT_UNIT; scsi_cmd->byte2 = byte2; scsi_ulto2b(ileave, scsi_cmd->interleave); cam_fill_csio(csio, retries, cbfcnp, /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, tag_action, data_ptr, dxfer_len, sense_len, sizeof(*scsi_cmd), timeout); } #endif /* _KERNEL */ Index: stable/9/sys/cam/scsi/scsi_enc.c =================================================================== --- stable/9/sys/cam/scsi/scsi_enc.c (revision 257049) +++ stable/9/sys/cam/scsi/scsi_enc.c (revision 257050) @@ -1,1065 +1,1060 @@ /*- * Copyright (c) 2000 Matthew Jacob * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include MALLOC_DEFINE(M_SCSIENC, "SCSI ENC", "SCSI ENC buffers"); /* Enclosure type independent driver */ static d_open_t enc_open; static d_close_t enc_close; static d_ioctl_t enc_ioctl; static periph_init_t enc_init; static periph_ctor_t enc_ctor; static periph_oninv_t enc_oninvalidate; static periph_dtor_t enc_dtor; static periph_start_t enc_start; static void enc_async(void *, uint32_t, struct cam_path *, void *); static enctyp enc_type(struct ccb_getdev *); SYSCTL_NODE(_kern_cam, OID_AUTO, enc, CTLFLAG_RD, 0, "CAM Enclosure Services driver"); static struct periph_driver encdriver = { enc_init, "ses", TAILQ_HEAD_INITIALIZER(encdriver.units), /* generation */ 0 }; PERIPHDRIVER_DECLARE(enc, encdriver); static struct cdevsw enc_cdevsw = { .d_version = D_VERSION, .d_open = enc_open, .d_close = enc_close, .d_ioctl = enc_ioctl, .d_name = "ses", .d_flags = D_TRACKCLOSE, }; static void enc_init(void) { cam_status status; /* * Install a global async callback. This callback will * receive async callbacks like "new device found". */ status = xpt_register_async(AC_FOUND_DEVICE, enc_async, NULL, NULL); if (status != CAM_REQ_CMP) { printf("enc: Failed to attach master async callback " "due to status 0x%x!\n", status); } } static void enc_devgonecb(void *arg) { struct cam_sim *sim; struct cam_periph *periph; struct enc_softc *enc; int i; periph = (struct cam_periph *)arg; sim = periph->sim; enc = (struct enc_softc *)periph->softc; mtx_lock(sim->mtx); /* * When we get this callback, we will get no more close calls from * devfs. So if we have any dangling opens, we need to release the * reference held for that particular context. */ for (i = 0; i < enc->open_count; i++) cam_periph_release_locked(periph); enc->open_count = 0; /* * Release the reference held for the device node, it is gone now. */ cam_periph_release_locked(periph); /* * We reference the SIM lock directly here, instead of using * cam_periph_unlock(). The reason is that the final call to * cam_periph_release_locked() above could result in the periph * getting freed. If that is the case, dereferencing the periph * with a cam_periph_unlock() call would cause a page fault. */ mtx_unlock(sim->mtx); } static void enc_oninvalidate(struct cam_periph *periph) { struct enc_softc *enc; enc = periph->softc; enc->enc_flags |= ENC_FLAG_INVALID; /* If the sub-driver has an invalidate routine, call it */ if (enc->enc_vec.softc_invalidate != NULL) enc->enc_vec.softc_invalidate(enc); /* * Unregister any async callbacks. */ xpt_register_async(0, enc_async, periph, periph->path); /* * Shutdown our daemon. */ enc->enc_flags |= ENC_FLAG_SHUTDOWN; if (enc->enc_daemon != NULL) { /* Signal the ses daemon to terminate. */ wakeup(enc->enc_daemon); } callout_drain(&enc->status_updater); destroy_dev_sched_cb(enc->enc_dev, enc_devgonecb, periph); - - xpt_print(periph->path, "lost device\n"); } static void enc_dtor(struct cam_periph *periph) { struct enc_softc *enc; enc = periph->softc; - - xpt_print(periph->path, "removing device entry\n"); - /* If the sub-driver has a cleanup routine, call it */ if (enc->enc_vec.softc_cleanup != NULL) enc->enc_vec.softc_cleanup(enc); if (enc->enc_boot_hold_ch.ich_func != NULL) { config_intrhook_disestablish(&enc->enc_boot_hold_ch); enc->enc_boot_hold_ch.ich_func = NULL; } ENC_FREE(enc); } static void enc_async(void *callback_arg, uint32_t code, struct cam_path *path, void *arg) { struct cam_periph *periph; periph = (struct cam_periph *)callback_arg; switch(code) { case AC_FOUND_DEVICE: { struct ccb_getdev *cgd; cam_status status; path_id_t path_id; cgd = (struct ccb_getdev *)arg; if (arg == NULL) { break; } if (enc_type(cgd) == ENC_NONE) { /* * Schedule announcement of the ENC bindings for * this device if it is managed by a SEP. */ path_id = xpt_path_path_id(path); xpt_lock_buses(); TAILQ_FOREACH(periph, &encdriver.units, unit_links) { struct enc_softc *softc; softc = (struct enc_softc *)periph->softc; if (xpt_path_path_id(periph->path) != path_id || softc == NULL || (softc->enc_flags & ENC_FLAG_INITIALIZED) == 0 || softc->enc_vec.device_found == NULL) continue; softc->enc_vec.device_found(softc); } xpt_unlock_buses(); return; } status = cam_periph_alloc(enc_ctor, enc_oninvalidate, enc_dtor, enc_start, "ses", CAM_PERIPH_BIO, cgd->ccb_h.path, enc_async, AC_FOUND_DEVICE, cgd); if (status != CAM_REQ_CMP && status != CAM_REQ_INPROG) { printf("enc_async: Unable to probe new device due to " "status 0x%x\n", status); } break; } default: cam_periph_async(periph, code, path, arg); break; } } static int enc_open(struct cdev *dev, int flags, int fmt, struct thread *td) { struct cam_periph *periph; struct enc_softc *softc; int error = 0; periph = (struct cam_periph *)dev->si_drv1; if (periph == NULL) { return (ENXIO); } if (cam_periph_acquire(periph) != CAM_REQ_CMP) return (ENXIO); cam_periph_lock(periph); softc = (struct enc_softc *)periph->softc; if ((softc->enc_flags & ENC_FLAG_INITIALIZED) == 0) { error = ENXIO; goto out; } if (softc->enc_flags & ENC_FLAG_INVALID) { error = ENXIO; goto out; } out: if (error != 0) cam_periph_release_locked(periph); else softc->open_count++; cam_periph_unlock(periph); return (error); } static int enc_close(struct cdev *dev, int flag, int fmt, struct thread *td) { struct cam_sim *sim; struct cam_periph *periph; struct enc_softc *enc; periph = (struct cam_periph *)dev->si_drv1; if (periph == NULL) return (ENXIO); sim = periph->sim; enc = periph->softc; mtx_lock(sim->mtx); enc->open_count--; cam_periph_release_locked(periph); /* * We reference the SIM lock directly here, instead of using * cam_periph_unlock(). The reason is that the call to * cam_periph_release_locked() above could result in the periph * getting freed. If that is the case, dereferencing the periph * with a cam_periph_unlock() call would cause a page fault. * * cam_periph_release() avoids this problem using the same method, * but we're manually acquiring and dropping the lock here to * protect the open count and avoid another lock acquisition and * release. */ mtx_unlock(sim->mtx); return (0); } static void enc_start(struct cam_periph *p, union ccb *sccb) { struct enc_softc *enc; enc = p->softc; ENC_DLOG(enc, "%s enter imm=%d prio=%d\n", __func__, p->immediate_priority, p->pinfo.priority); if (p->immediate_priority <= p->pinfo.priority) { SLIST_INSERT_HEAD(&p->ccb_list, &sccb->ccb_h, periph_links.sle); p->immediate_priority = CAM_PRIORITY_NONE; wakeup(&p->ccb_list); } else xpt_release_ccb(sccb); ENC_DLOG(enc, "%s exit\n", __func__); } void enc_done(struct cam_periph *periph, union ccb *dccb) { wakeup(&dccb->ccb_h.cbfcnp); } int enc_error(union ccb *ccb, uint32_t cflags, uint32_t sflags) { struct enc_softc *softc; struct cam_periph *periph; periph = xpt_path_periph(ccb->ccb_h.path); softc = (struct enc_softc *)periph->softc; return (cam_periph_error(ccb, cflags, sflags, &softc->saved_ccb)); } static int enc_ioctl(struct cdev *dev, u_long cmd, caddr_t arg_addr, int flag, struct thread *td) { struct cam_periph *periph; encioc_enc_status_t tmp; encioc_string_t sstr; encioc_elm_status_t elms; encioc_elm_desc_t elmd; encioc_elm_devnames_t elmdn; encioc_element_t *uelm; enc_softc_t *enc; enc_cache_t *cache; void *addr; int error, i; if (arg_addr) addr = *((caddr_t *) arg_addr); else addr = NULL; periph = (struct cam_periph *)dev->si_drv1; if (periph == NULL) return (ENXIO); CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering encioctl\n")); cam_periph_lock(periph); enc = (struct enc_softc *)periph->softc; cache = &enc->enc_cache; /* * Now check to see whether we're initialized or not. * This actually should never fail as we're not supposed * to get past enc_open w/o successfully initializing * things. */ if ((enc->enc_flags & ENC_FLAG_INITIALIZED) == 0) { cam_periph_unlock(periph); return (ENXIO); } cam_periph_unlock(periph); error = 0; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("trying to do ioctl %#lx\n", cmd)); /* * If this command can change the device's state, * we must have the device open for writing. * * For commands that get information about the * device- we don't need to lock the peripheral * if we aren't running a command. The periph * also can't go away while a user process has * it open. */ switch (cmd) { case ENCIOC_GETNELM: case ENCIOC_GETELMMAP: case ENCIOC_GETENCSTAT: case ENCIOC_GETELMSTAT: case ENCIOC_GETELMDESC: case ENCIOC_GETELMDEVNAMES: break; default: if ((flag & FWRITE) == 0) { return (EBADF); } } /* * XXX The values read here are only valid for the current * configuration generation. We need these ioctls * to also pass in/out a generation number. */ sx_slock(&enc->enc_cache_lock); switch (cmd) { case ENCIOC_GETNELM: error = copyout(&cache->nelms, addr, sizeof (cache->nelms)); break; case ENCIOC_GETELMMAP: for (uelm = addr, i = 0; i != cache->nelms; i++) { encioc_element_t kelm; kelm.elm_idx = i; kelm.elm_subenc_id = cache->elm_map[i].subenclosure; kelm.elm_type = cache->elm_map[i].enctype; error = copyout(&kelm, &uelm[i], sizeof(kelm)); if (error) break; } break; case ENCIOC_GETENCSTAT: cam_periph_lock(periph); error = enc->enc_vec.get_enc_status(enc, 1); if (error) { cam_periph_unlock(periph); break; } tmp = cache->enc_status; cam_periph_unlock(periph); error = copyout(&tmp, addr, sizeof(tmp)); cache->enc_status = tmp; break; case ENCIOC_SETENCSTAT: error = copyin(addr, &tmp, sizeof(tmp)); if (error) break; cam_periph_lock(periph); error = enc->enc_vec.set_enc_status(enc, tmp, 1); cam_periph_unlock(periph); break; case ENCIOC_GETSTRING: case ENCIOC_SETSTRING: if (enc->enc_vec.handle_string == NULL) { error = EINVAL; break; } error = copyin(addr, &sstr, sizeof(sstr)); if (error) break; cam_periph_lock(periph); error = enc->enc_vec.handle_string(enc, &sstr, cmd); cam_periph_unlock(periph); break; case ENCIOC_GETELMSTAT: error = copyin(addr, &elms, sizeof(elms)); if (error) break; if (elms.elm_idx >= cache->nelms) { error = EINVAL; break; } cam_periph_lock(periph); error = enc->enc_vec.get_elm_status(enc, &elms, 1); cam_periph_unlock(periph); if (error) break; error = copyout(&elms, addr, sizeof(elms)); break; case ENCIOC_GETELMDESC: error = copyin(addr, &elmd, sizeof(elmd)); if (error) break; if (elmd.elm_idx >= cache->nelms) { error = EINVAL; break; } if (enc->enc_vec.get_elm_desc != NULL) { error = enc->enc_vec.get_elm_desc(enc, &elmd); if (error) break; } else elmd.elm_desc_len = 0; error = copyout(&elmd, addr, sizeof(elmd)); break; case ENCIOC_GETELMDEVNAMES: if (enc->enc_vec.get_elm_devnames == NULL) { error = EINVAL; break; } error = copyin(addr, &elmdn, sizeof(elmdn)); if (error) break; if (elmdn.elm_idx >= cache->nelms) { error = EINVAL; break; } cam_periph_lock(periph); error = (*enc->enc_vec.get_elm_devnames)(enc, &elmdn); cam_periph_unlock(periph); if (error) break; error = copyout(&elmdn, addr, sizeof(elmdn)); break; case ENCIOC_SETELMSTAT: error = copyin(addr, &elms, sizeof(elms)); if (error) break; if (elms.elm_idx >= cache->nelms) { error = EINVAL; break; } cam_periph_lock(periph); error = enc->enc_vec.set_elm_status(enc, &elms, 1); cam_periph_unlock(periph); break; case ENCIOC_INIT: cam_periph_lock(periph); error = enc->enc_vec.init_enc(enc); cam_periph_unlock(periph); break; default: cam_periph_lock(periph); error = cam_periph_ioctl(periph, cmd, arg_addr, enc_error); cam_periph_unlock(periph); break; } sx_sunlock(&enc->enc_cache_lock); return (error); } int enc_runcmd(struct enc_softc *enc, char *cdb, int cdbl, char *dptr, int *dlenp) { int error, dlen, tdlen; ccb_flags ddf; union ccb *ccb; CAM_DEBUG(enc->periph->path, CAM_DEBUG_TRACE, ("entering enc_runcmd\n")); if (dptr) { if ((dlen = *dlenp) < 0) { dlen = -dlen; ddf = CAM_DIR_OUT; } else { ddf = CAM_DIR_IN; } } else { dlen = 0; ddf = CAM_DIR_NONE; } if (cdbl > IOCDBLEN) { cdbl = IOCDBLEN; } ccb = cam_periph_getccb(enc->periph, CAM_PRIORITY_NORMAL); if (enc->enc_type == ENC_SEMB_SES || enc->enc_type == ENC_SEMB_SAFT) { tdlen = min(dlen, 1020); tdlen = (tdlen + 3) & ~3; cam_fill_ataio(&ccb->ataio, 0, enc_done, ddf, 0, dptr, tdlen, 30 * 1000); if (cdb[0] == RECEIVE_DIAGNOSTIC) ata_28bit_cmd(&ccb->ataio, ATA_SEP_ATTN, cdb[2], 0x02, tdlen / 4); else if (cdb[0] == SEND_DIAGNOSTIC) ata_28bit_cmd(&ccb->ataio, ATA_SEP_ATTN, dlen > 0 ? dptr[0] : 0, 0x82, tdlen / 4); else if (cdb[0] == READ_BUFFER) ata_28bit_cmd(&ccb->ataio, ATA_SEP_ATTN, cdb[2], 0x00, tdlen / 4); else ata_28bit_cmd(&ccb->ataio, ATA_SEP_ATTN, dlen > 0 ? dptr[0] : 0, 0x80, tdlen / 4); } else { tdlen = dlen; cam_fill_csio(&ccb->csio, 0, enc_done, ddf, MSG_SIMPLE_Q_TAG, dptr, dlen, sizeof (struct scsi_sense_data), cdbl, 60 * 1000); bcopy(cdb, ccb->csio.cdb_io.cdb_bytes, cdbl); } error = cam_periph_runccb(ccb, enc_error, ENC_CFLAGS, ENC_FLAGS, NULL); if (error) { if (dptr) { *dlenp = dlen; } } else { if (dptr) { if (ccb->ccb_h.func_code == XPT_ATA_IO) *dlenp = ccb->ataio.resid; else *dlenp = ccb->csio.resid; *dlenp += tdlen - dlen; } } xpt_release_ccb(ccb); CAM_DEBUG(enc->periph->path, CAM_DEBUG_SUBTRACE, ("exiting enc_runcmd: *dlenp = %d\n", *dlenp)); return (error); } void enc_log(struct enc_softc *enc, const char *fmt, ...) { va_list ap; printf("%s%d: ", enc->periph->periph_name, enc->periph->unit_number); va_start(ap, fmt); vprintf(fmt, ap); va_end(ap); } /* * The code after this point runs on many platforms, * so forgive the slightly awkward and nonconforming * appearance. */ /* * Is this a device that supports enclosure services? * * It's a a pretty simple ruleset- if it is device type * 0x0D (13), it's an ENCLOSURE device. */ #define SAFTE_START 44 #define SAFTE_END 50 #define SAFTE_LEN SAFTE_END-SAFTE_START static enctyp enc_type(struct ccb_getdev *cgd) { int buflen; unsigned char *iqd; if (cgd->protocol == PROTO_SEMB) { iqd = (unsigned char *)&cgd->ident_data; if (STRNCMP(iqd + 43, "S-E-S", 5) == 0) return (ENC_SEMB_SES); else if (STRNCMP(iqd + 43, "SAF-TE", 6) == 0) return (ENC_SEMB_SAFT); return (ENC_NONE); } else if (cgd->protocol != PROTO_SCSI) return (ENC_NONE); iqd = (unsigned char *)&cgd->inq_data; buflen = min(sizeof(cgd->inq_data), SID_ADDITIONAL_LENGTH(&cgd->inq_data)); if ((iqd[0] & 0x1f) == T_ENCLOSURE) { if ((iqd[2] & 0x7) > 2) { return (ENC_SES); } else { return (ENC_SES_SCSI2); } return (ENC_NONE); } #ifdef SES_ENABLE_PASSTHROUGH if ((iqd[6] & 0x40) && (iqd[2] & 0x7) >= 2) { /* * PassThrough Device. */ return (ENC_SES_PASSTHROUGH); } #endif /* * The comparison is short for a reason- * some vendors were chopping it short. */ if (buflen < SAFTE_END - 2) { return (ENC_NONE); } if (STRNCMP((char *)&iqd[SAFTE_START], "SAF-TE", SAFTE_LEN - 2) == 0) { return (ENC_SAFT); } return (ENC_NONE); } /*================== Enclosure Monitoring/Processing Daemon ==================*/ /** * \brief Queue an update request for a given action, if needed. * * \param enc SES softc to queue the request for. * \param action Action requested. */ void enc_update_request(enc_softc_t *enc, uint32_t action) { if ((enc->pending_actions & (0x1 << action)) == 0) { enc->pending_actions |= (0x1 << action); ENC_DLOG(enc, "%s: queing requested action %d\n", __func__, action); if (enc->current_action == ENC_UPDATE_NONE) wakeup(enc->enc_daemon); } else { ENC_DLOG(enc, "%s: ignoring requested action %d - " "Already queued\n", __func__, action); } } /** * \brief Invoke the handler of the highest priority pending * state in the SES state machine. * * \param enc The SES instance invoking the state machine. */ static void enc_fsm_step(enc_softc_t *enc) { union ccb *ccb; uint8_t *buf; struct enc_fsm_state *cur_state; int error; uint32_t xfer_len; ENC_DLOG(enc, "%s enter %p\n", __func__, enc); enc->current_action = ffs(enc->pending_actions) - 1; enc->pending_actions &= ~(0x1 << enc->current_action); cur_state = &enc->enc_fsm_states[enc->current_action]; buf = NULL; if (cur_state->buf_size != 0) { cam_periph_unlock(enc->periph); buf = malloc(cur_state->buf_size, M_SCSIENC, M_WAITOK|M_ZERO); cam_periph_lock(enc->periph); } error = 0; ccb = NULL; if (cur_state->fill != NULL) { ccb = cam_periph_getccb(enc->periph, CAM_PRIORITY_NORMAL); error = cur_state->fill(enc, cur_state, ccb, buf); if (error != 0) goto done; error = cam_periph_runccb(ccb, cur_state->error, ENC_CFLAGS, ENC_FLAGS|SF_QUIET_IR, NULL); } if (ccb != NULL) { if (ccb->ccb_h.func_code == XPT_ATA_IO) xfer_len = ccb->ataio.dxfer_len - ccb->ataio.resid; else xfer_len = ccb->csio.dxfer_len - ccb->csio.resid; } else xfer_len = 0; cam_periph_unlock(enc->periph); cur_state->done(enc, cur_state, ccb, &buf, error, xfer_len); cam_periph_lock(enc->periph); done: ENC_DLOG(enc, "%s exit - result %d\n", __func__, error); ENC_FREE_AND_NULL(buf); if (ccb != NULL) xpt_release_ccb(ccb); } /** * \invariant Called with cam_periph mutex held. */ static void enc_status_updater(void *arg) { enc_softc_t *enc; enc = arg; if (enc->enc_vec.poll_status != NULL) enc->enc_vec.poll_status(enc); } static void enc_daemon(void *arg) { enc_softc_t *enc; enc = arg; cam_periph_lock(enc->periph); while ((enc->enc_flags & ENC_FLAG_SHUTDOWN) == 0) { if (enc->pending_actions == 0) { struct intr_config_hook *hook; /* * Reset callout and msleep, or * issue timed task completion * status command. */ enc->current_action = ENC_UPDATE_NONE; /* * We've been through our state machine at least * once. Allow the transition to userland. */ hook = &enc->enc_boot_hold_ch; if (hook->ich_func != NULL) { config_intrhook_disestablish(hook); hook->ich_func = NULL; } callout_reset(&enc->status_updater, 60*hz, enc_status_updater, enc); cam_periph_sleep(enc->periph, enc->enc_daemon, PUSER, "idle", 0); } else { enc_fsm_step(enc); } } enc->enc_daemon = NULL; cam_periph_unlock(enc->periph); cam_periph_release(enc->periph); kproc_exit(0); } static int enc_kproc_init(enc_softc_t *enc) { int result; callout_init_mtx(&enc->status_updater, enc->periph->sim->mtx, 0); if (cam_periph_acquire(enc->periph) != CAM_REQ_CMP) return (ENXIO); result = kproc_create(enc_daemon, enc, &enc->enc_daemon, /*flags*/0, /*stackpgs*/0, "enc_daemon%d", enc->periph->unit_number); if (result == 0) { /* Do an initial load of all page data. */ cam_periph_lock(enc->periph); enc->enc_vec.poll_status(enc); cam_periph_unlock(enc->periph); } else cam_periph_release(enc->periph); return (result); } /** * \brief Interrupt configuration hook callback associated with * enc_boot_hold_ch. * * Since interrupts are always functional at the time of enclosure * configuration, there is nothing to be done when the callback occurs. * This hook is only registered to hold up boot processing while initial * eclosure processing occurs. * * \param arg The enclosure softc, but currently unused in this callback. */ static void enc_nop_confighook_cb(void *arg __unused) { } static cam_status enc_ctor(struct cam_periph *periph, void *arg) { cam_status status = CAM_REQ_CMP_ERR; int err; enc_softc_t *enc; struct ccb_getdev *cgd; char *tname; cgd = (struct ccb_getdev *)arg; if (cgd == NULL) { printf("enc_ctor: no getdev CCB, can't register device\n"); goto out; } enc = ENC_MALLOCZ(sizeof(*enc)); if (enc == NULL) { printf("enc_ctor: Unable to probe new device. " "Unable to allocate enc\n"); goto out; } enc->periph = periph; enc->current_action = ENC_UPDATE_INVALID; enc->enc_type = enc_type(cgd); sx_init(&enc->enc_cache_lock, "enccache"); switch (enc->enc_type) { case ENC_SES: case ENC_SES_SCSI2: case ENC_SES_PASSTHROUGH: case ENC_SEMB_SES: err = ses_softc_init(enc); break; case ENC_SAFT: case ENC_SEMB_SAFT: err = safte_softc_init(enc); break; case ENC_NONE: default: ENC_FREE(enc); return (CAM_REQ_CMP_ERR); } if (err) { xpt_print(periph->path, "error %d initializing\n", err); goto out; } /* * Hold off userland until we have made at least one pass * through our state machine so that physical path data is * present. */ if (enc->enc_vec.poll_status != NULL) { enc->enc_boot_hold_ch.ich_func = enc_nop_confighook_cb; enc->enc_boot_hold_ch.ich_arg = enc; config_intrhook_establish(&enc->enc_boot_hold_ch); } /* * The softc field is set only once the enc is fully initialized * so that we can rely on this field to detect partially * initialized periph objects in the AC_FOUND_DEVICE handler. */ periph->softc = enc; cam_periph_unlock(periph); if (enc->enc_vec.poll_status != NULL) { err = enc_kproc_init(enc); if (err) { xpt_print(periph->path, "error %d starting enc_daemon\n", err); goto out; } } /* * Acquire a reference to the periph before we create the devfs * instance for it. We'll release this reference once the devfs * instance has been freed. */ if (cam_periph_acquire(periph) != CAM_REQ_CMP) { xpt_print(periph->path, "%s: lost periph during " "registration!\n", __func__); cam_periph_lock(periph); return (CAM_REQ_CMP_ERR); } enc->enc_dev = make_dev(&enc_cdevsw, periph->unit_number, UID_ROOT, GID_OPERATOR, 0600, "%s%d", periph->periph_name, periph->unit_number); cam_periph_lock(periph); enc->enc_dev->si_drv1 = periph; enc->enc_flags |= ENC_FLAG_INITIALIZED; /* * Add an async callback so that we get notified if this * device goes away. */ xpt_register_async(AC_LOST_DEVICE, enc_async, periph, periph->path); switch (enc->enc_type) { default: case ENC_NONE: tname = "No ENC device"; break; case ENC_SES_SCSI2: tname = "SCSI-2 ENC Device"; break; case ENC_SES: tname = "SCSI-3 ENC Device"; break; case ENC_SES_PASSTHROUGH: tname = "ENC Passthrough Device"; break; case ENC_SAFT: tname = "SAF-TE Compliant Device"; break; case ENC_SEMB_SES: tname = "SEMB SES Device"; break; case ENC_SEMB_SAFT: tname = "SEMB SAF-TE Device"; break; } xpt_announce_periph(periph, tname); status = CAM_REQ_CMP; out: if (status != CAM_REQ_CMP) enc_dtor(periph); return (status); } Index: stable/9/sys/cam/scsi/scsi_pass.c =================================================================== --- stable/9/sys/cam/scsi/scsi_pass.c (revision 257049) +++ stable/9/sys/cam/scsi/scsi_pass.c (revision 257050) @@ -1,762 +1,755 @@ /*- * Copyright (c) 1997, 1998, 2000 Justin T. Gibbs. * Copyright (c) 1997, 1998, 1999 Kenneth D. Merry. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include typedef enum { PASS_FLAG_OPEN = 0x01, PASS_FLAG_LOCKED = 0x02, PASS_FLAG_INVALID = 0x04, PASS_FLAG_INITIAL_PHYSPATH = 0x08 } pass_flags; typedef enum { PASS_STATE_NORMAL } pass_state; typedef enum { PASS_CCB_BUFFER_IO, PASS_CCB_WAITING } pass_ccb_types; #define ccb_type ppriv_field0 #define ccb_bp ppriv_ptr1 struct pass_softc { pass_state state; pass_flags flags; u_int8_t pd_type; union ccb saved_ccb; int open_count; struct devstat *device_stats; struct cdev *dev; struct cdev *alias_dev; struct task add_physpath_task; }; static d_open_t passopen; static d_close_t passclose; static d_ioctl_t passioctl; static d_ioctl_t passdoioctl; static periph_init_t passinit; static periph_ctor_t passregister; static periph_oninv_t passoninvalidate; static periph_dtor_t passcleanup; static periph_start_t passstart; static void pass_add_physpath(void *context, int pending); static void passasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg); static void passdone(struct cam_periph *periph, union ccb *done_ccb); static int passerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags); static int passsendccb(struct cam_periph *periph, union ccb *ccb, union ccb *inccb); static struct periph_driver passdriver = { passinit, "pass", TAILQ_HEAD_INITIALIZER(passdriver.units), /* generation */ 0 }; PERIPHDRIVER_DECLARE(pass, passdriver); static struct cdevsw pass_cdevsw = { .d_version = D_VERSION, .d_flags = D_TRACKCLOSE, .d_open = passopen, .d_close = passclose, .d_ioctl = passioctl, .d_name = "pass", }; static void passinit(void) { cam_status status; /* * Install a global async callback. This callback will * receive async callbacks like "new device found". */ status = xpt_register_async(AC_FOUND_DEVICE, passasync, NULL, NULL); if (status != CAM_REQ_CMP) { printf("pass: Failed to attach master async callback " "due to status 0x%x!\n", status); } } static void passdevgonecb(void *arg) { struct cam_sim *sim; struct cam_periph *periph; struct pass_softc *softc; int i; periph = (struct cam_periph *)arg; sim = periph->sim; softc = (struct pass_softc *)periph->softc; KASSERT(softc->open_count >= 0, ("Negative open count %d", softc->open_count)); mtx_lock(sim->mtx); /* * When we get this callback, we will get no more close calls from * devfs. So if we have any dangling opens, we need to release the * reference held for that particular context. */ for (i = 0; i < softc->open_count; i++) cam_periph_release_locked(periph); softc->open_count = 0; /* * Release the reference held for the device node, it is gone now. */ cam_periph_release_locked(periph); /* * We reference the SIM lock directly here, instead of using * cam_periph_unlock(). The reason is that the final call to * cam_periph_release_locked() above could result in the periph * getting freed. If that is the case, dereferencing the periph * with a cam_periph_unlock() call would cause a page fault. */ mtx_unlock(sim->mtx); } static void passoninvalidate(struct cam_periph *periph) { struct pass_softc *softc; softc = (struct pass_softc *)periph->softc; /* * De-register any async callbacks. */ xpt_register_async(0, passasync, periph, periph->path); softc->flags |= PASS_FLAG_INVALID; /* * Tell devfs this device has gone away, and ask for a callback * when it has cleaned up its state. */ destroy_dev_sched_cb(softc->dev, passdevgonecb, periph); /* * XXX Return all queued I/O with ENXIO. * XXX Handle any transactions queued to the card * with XPT_ABORT_CCB. */ - - if (bootverbose) { - xpt_print(periph->path, "lost device\n"); - } - } static void passcleanup(struct cam_periph *periph) { struct pass_softc *softc; softc = (struct pass_softc *)periph->softc; - if (bootverbose) - xpt_print(periph->path, "removing device entry\n"); devstat_remove_entry(softc->device_stats); cam_periph_unlock(periph); taskqueue_drain(taskqueue_thread, &softc->add_physpath_task); cam_periph_lock(periph); free(softc, M_DEVBUF); } static void pass_add_physpath(void *context, int pending) { struct cam_periph *periph; struct pass_softc *softc; char *physpath; /* * If we have one, create a devfs alias for our * physical path. */ periph = context; softc = periph->softc; physpath = malloc(MAXPATHLEN, M_DEVBUF, M_WAITOK); cam_periph_lock(periph); if (periph->flags & CAM_PERIPH_INVALID) { cam_periph_unlock(periph); goto out; } if (xpt_getattr(physpath, MAXPATHLEN, "GEOM::physpath", periph->path) == 0 && strlen(physpath) != 0) { cam_periph_unlock(periph); make_dev_physpath_alias(MAKEDEV_WAITOK, &softc->alias_dev, softc->dev, softc->alias_dev, physpath); cam_periph_lock(periph); } /* * Now that we've made our alias, we no longer have to have a * reference to the device. */ if ((softc->flags & PASS_FLAG_INITIAL_PHYSPATH) == 0) { softc->flags |= PASS_FLAG_INITIAL_PHYSPATH; cam_periph_unlock(periph); dev_rel(softc->dev); } else cam_periph_unlock(periph); out: free(physpath, M_DEVBUF); } static void passasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg) { struct cam_periph *periph; periph = (struct cam_periph *)callback_arg; switch (code) { case AC_FOUND_DEVICE: { struct ccb_getdev *cgd; cam_status status; cgd = (struct ccb_getdev *)arg; if (cgd == NULL) break; /* * Allocate a peripheral instance for * this device and start the probe * process. */ status = cam_periph_alloc(passregister, passoninvalidate, passcleanup, passstart, "pass", CAM_PERIPH_BIO, cgd->ccb_h.path, passasync, AC_FOUND_DEVICE, cgd); if (status != CAM_REQ_CMP && status != CAM_REQ_INPROG) { const struct cam_status_entry *entry; entry = cam_fetch_status_entry(status); printf("passasync: Unable to attach new device " "due to status %#x: %s\n", status, entry ? entry->status_text : "Unknown"); } break; } case AC_ADVINFO_CHANGED: { uintptr_t buftype; buftype = (uintptr_t)arg; if (buftype == CDAI_TYPE_PHYS_PATH) { struct pass_softc *softc; softc = (struct pass_softc *)periph->softc; taskqueue_enqueue(taskqueue_thread, &softc->add_physpath_task); } break; } default: cam_periph_async(periph, code, path, arg); break; } } static cam_status passregister(struct cam_periph *periph, void *arg) { struct pass_softc *softc; struct ccb_getdev *cgd; struct ccb_pathinq cpi; int no_tags; cgd = (struct ccb_getdev *)arg; if (cgd == NULL) { printf("%s: no getdev CCB, can't register device\n", __func__); return(CAM_REQ_CMP_ERR); } softc = (struct pass_softc *)malloc(sizeof(*softc), M_DEVBUF, M_NOWAIT); if (softc == NULL) { printf("%s: Unable to probe new device. " "Unable to allocate softc\n", __func__); return(CAM_REQ_CMP_ERR); } bzero(softc, sizeof(*softc)); softc->state = PASS_STATE_NORMAL; if (cgd->protocol == PROTO_SCSI || cgd->protocol == PROTO_ATAPI) softc->pd_type = SID_TYPE(&cgd->inq_data); else if (cgd->protocol == PROTO_SATAPM) softc->pd_type = T_ENCLOSURE; else softc->pd_type = T_DIRECT; periph->softc = softc; bzero(&cpi, sizeof(cpi)); xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); cpi.ccb_h.func_code = XPT_PATH_INQ; xpt_action((union ccb *)&cpi); /* * We pass in 0 for a blocksize, since we don't * know what the blocksize of this device is, if * it even has a blocksize. */ cam_periph_unlock(periph); no_tags = (cgd->inq_data.flags & SID_CmdQue) == 0; softc->device_stats = devstat_new_entry("pass", periph->unit_number, 0, DEVSTAT_NO_BLOCKSIZE | (no_tags ? DEVSTAT_NO_ORDERED_TAGS : 0), softc->pd_type | XPORT_DEVSTAT_TYPE(cpi.transport) | DEVSTAT_TYPE_PASS, DEVSTAT_PRIORITY_PASS); /* * Acquire a reference to the periph before we create the devfs * instance for it. We'll release this reference once the devfs * instance has been freed. */ if (cam_periph_acquire(periph) != CAM_REQ_CMP) { xpt_print(periph->path, "%s: lost periph during " "registration!\n", __func__); cam_periph_lock(periph); return (CAM_REQ_CMP_ERR); } /* Register the device */ softc->dev = make_dev(&pass_cdevsw, periph->unit_number, UID_ROOT, GID_OPERATOR, 0600, "%s%d", periph->periph_name, periph->unit_number); /* * Now that we have made the devfs instance, hold a reference to it * until the task queue has run to setup the physical path alias. * That way devfs won't get rid of the device before we add our * alias. */ dev_ref(softc->dev); cam_periph_lock(periph); softc->dev->si_drv1 = periph; TASK_INIT(&softc->add_physpath_task, /*priority*/0, pass_add_physpath, periph); /* * See if physical path information is already available. */ taskqueue_enqueue(taskqueue_thread, &softc->add_physpath_task); /* * Add an async callback so that we get notified if * this device goes away or its physical path * (stored in the advanced info data of the EDT) has * changed. */ xpt_register_async(AC_LOST_DEVICE | AC_ADVINFO_CHANGED, passasync, periph, periph->path); if (bootverbose) xpt_announce_periph(periph, NULL); return(CAM_REQ_CMP); } static int passopen(struct cdev *dev, int flags, int fmt, struct thread *td) { struct cam_periph *periph; struct pass_softc *softc; int error; periph = (struct cam_periph *)dev->si_drv1; if (cam_periph_acquire(periph) != CAM_REQ_CMP) return (ENXIO); cam_periph_lock(periph); softc = (struct pass_softc *)periph->softc; if (softc->flags & PASS_FLAG_INVALID) { cam_periph_release_locked(periph); cam_periph_unlock(periph); return(ENXIO); } /* * Don't allow access when we're running at a high securelevel. */ error = securelevel_gt(td->td_ucred, 1); if (error) { cam_periph_release_locked(periph); cam_periph_unlock(periph); return(error); } /* * Only allow read-write access. */ if (((flags & FWRITE) == 0) || ((flags & FREAD) == 0)) { cam_periph_release_locked(periph); cam_periph_unlock(periph); return(EPERM); } /* * We don't allow nonblocking access. */ if ((flags & O_NONBLOCK) != 0) { xpt_print(periph->path, "can't do nonblocking access\n"); cam_periph_release_locked(periph); cam_periph_unlock(periph); return(EINVAL); } softc->open_count++; cam_periph_unlock(periph); return (error); } static int passclose(struct cdev *dev, int flag, int fmt, struct thread *td) { struct cam_sim *sim; struct cam_periph *periph; struct pass_softc *softc; periph = (struct cam_periph *)dev->si_drv1; if (periph == NULL) return (ENXIO); sim = periph->sim; softc = periph->softc; mtx_lock(sim->mtx); softc->open_count--; cam_periph_release_locked(periph); /* * We reference the SIM lock directly here, instead of using * cam_periph_unlock(). The reason is that the call to * cam_periph_release_locked() above could result in the periph * getting freed. If that is the case, dereferencing the periph * with a cam_periph_unlock() call would cause a page fault. * * cam_periph_release() avoids this problem using the same method, * but we're manually acquiring and dropping the lock here to * protect the open count and avoid another lock acquisition and * release. */ mtx_unlock(sim->mtx); return (0); } static void passstart(struct cam_periph *periph, union ccb *start_ccb) { struct pass_softc *softc; softc = (struct pass_softc *)periph->softc; switch (softc->state) { case PASS_STATE_NORMAL: start_ccb->ccb_h.ccb_type = PASS_CCB_WAITING; SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, periph_links.sle); periph->immediate_priority = CAM_PRIORITY_NONE; wakeup(&periph->ccb_list); break; } } static void passdone(struct cam_periph *periph, union ccb *done_ccb) { struct pass_softc *softc; struct ccb_scsiio *csio; softc = (struct pass_softc *)periph->softc; csio = &done_ccb->csio; switch (csio->ccb_h.ccb_type) { case PASS_CCB_WAITING: /* Caller will release the CCB */ wakeup(&done_ccb->ccb_h.cbfcnp); return; } xpt_release_ccb(done_ccb); } static int passioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, struct thread *td) { int error; if ((error = passdoioctl(dev, cmd, addr, flag, td)) == ENOTTY) { error = cam_compat_ioctl(dev, &cmd, &addr, &flag, td); if (error == EAGAIN) return (passdoioctl(dev, cmd, addr, flag, td)); } return (error); } static int passdoioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, struct thread *td) { struct cam_periph *periph; struct pass_softc *softc; int error; uint32_t priority; periph = (struct cam_periph *)dev->si_drv1; if (periph == NULL) return(ENXIO); cam_periph_lock(periph); softc = (struct pass_softc *)periph->softc; error = 0; switch (cmd) { case CAMIOCOMMAND: { union ccb *inccb; union ccb *ccb; int ccb_malloced; inccb = (union ccb *)addr; /* * Some CCB types, like scan bus and scan lun can only go * through the transport layer device. */ if (inccb->ccb_h.func_code & XPT_FC_XPT_ONLY) { xpt_print(periph->path, "CCB function code %#x is " "restricted to the XPT device\n", inccb->ccb_h.func_code); error = ENODEV; break; } /* Compatibility for RL/priority-unaware code. */ priority = inccb->ccb_h.pinfo.priority; if (priority <= CAM_PRIORITY_OOB) priority += CAM_PRIORITY_OOB + 1; /* * Non-immediate CCBs need a CCB from the per-device pool * of CCBs, which is scheduled by the transport layer. * Immediate CCBs and user-supplied CCBs should just be * malloced. */ if ((inccb->ccb_h.func_code & XPT_FC_QUEUED) && ((inccb->ccb_h.func_code & XPT_FC_USER_CCB) == 0)) { ccb = cam_periph_getccb(periph, priority); ccb_malloced = 0; } else { ccb = xpt_alloc_ccb_nowait(); if (ccb != NULL) xpt_setup_ccb(&ccb->ccb_h, periph->path, priority); ccb_malloced = 1; } if (ccb == NULL) { xpt_print(periph->path, "unable to allocate CCB\n"); error = ENOMEM; break; } error = passsendccb(periph, ccb, inccb); if (ccb_malloced) xpt_free_ccb(ccb); else xpt_release_ccb(ccb); break; } default: error = cam_periph_ioctl(periph, cmd, addr, passerror); break; } cam_periph_unlock(periph); return(error); } /* * Generally, "ccb" should be the CCB supplied by the kernel. "inccb" * should be the CCB that is copied in from the user. */ static int passsendccb(struct cam_periph *periph, union ccb *ccb, union ccb *inccb) { struct pass_softc *softc; struct cam_periph_map_info mapinfo; xpt_opcode fc; int error; softc = (struct pass_softc *)periph->softc; /* * There are some fields in the CCB header that need to be * preserved, the rest we get from the user. */ xpt_merge_ccb(ccb, inccb); /* * There's no way for the user to have a completion * function, so we put our own completion function in here. */ ccb->ccb_h.cbfcnp = passdone; /* * Let cam_periph_mapmem do a sanity check on the data pointer format. * Even if no data transfer is needed, it's a cheap check and it * simplifies the code. */ fc = ccb->ccb_h.func_code; if ((fc == XPT_SCSI_IO) || (fc == XPT_ATA_IO) || (fc == XPT_SMP_IO) || (fc == XPT_DEV_MATCH) || (fc == XPT_DEV_ADVINFO)) { bzero(&mapinfo, sizeof(mapinfo)); /* * cam_periph_mapmem calls into proc and vm functions that can * sleep as well as trigger I/O, so we can't hold the lock. * Dropping it here is reasonably safe. */ cam_periph_unlock(periph); error = cam_periph_mapmem(ccb, &mapinfo); cam_periph_lock(periph); /* * cam_periph_mapmem returned an error, we can't continue. * Return the error to the user. */ if (error) return(error); } else /* Ensure that the unmap call later on is a no-op. */ mapinfo.num_bufs_used = 0; /* * If the user wants us to perform any error recovery, then honor * that request. Otherwise, it's up to the user to perform any * error recovery. */ cam_periph_runccb(ccb, passerror, /* cam_flags */ CAM_RETRY_SELTO, /* sense_flags */ ((ccb->ccb_h.flags & CAM_PASS_ERR_RECOVER) ? SF_RETRY_UA : SF_NO_RECOVERY) | SF_NO_PRINT, softc->device_stats); cam_periph_unmapmem(ccb, &mapinfo); ccb->ccb_h.cbfcnp = NULL; ccb->ccb_h.periph_priv = inccb->ccb_h.periph_priv; bcopy(ccb, inccb, sizeof(union ccb)); return(0); } static int passerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) { struct cam_periph *periph; struct pass_softc *softc; periph = xpt_path_periph(ccb->ccb_h.path); softc = (struct pass_softc *)periph->softc; return(cam_periph_error(ccb, cam_flags, sense_flags, &softc->saved_ccb)); } Index: stable/9/sys/cam/scsi/scsi_pt.c =================================================================== --- stable/9/sys/cam/scsi/scsi_pt.c (revision 257049) +++ stable/9/sys/cam/scsi/scsi_pt.c (revision 257050) @@ -1,647 +1,644 @@ /*- * Implementation of SCSI Processor Target Peripheral driver for CAM. * * Copyright (c) 1998 Justin T. Gibbs. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "opt_pt.h" typedef enum { PT_STATE_PROBE, PT_STATE_NORMAL } pt_state; typedef enum { PT_FLAG_NONE = 0x00, PT_FLAG_OPEN = 0x01, PT_FLAG_DEVICE_INVALID = 0x02, PT_FLAG_RETRY_UA = 0x04 } pt_flags; typedef enum { PT_CCB_BUFFER_IO = 0x01, PT_CCB_WAITING = 0x02, PT_CCB_RETRY_UA = 0x04, PT_CCB_BUFFER_IO_UA = PT_CCB_BUFFER_IO|PT_CCB_RETRY_UA } pt_ccb_state; /* Offsets into our private area for storing information */ #define ccb_state ppriv_field0 #define ccb_bp ppriv_ptr1 struct pt_softc { struct bio_queue_head bio_queue; struct devstat *device_stats; LIST_HEAD(, ccb_hdr) pending_ccbs; pt_state state; pt_flags flags; union ccb saved_ccb; int io_timeout; struct cdev *dev; }; static d_open_t ptopen; static d_close_t ptclose; static d_strategy_t ptstrategy; static periph_init_t ptinit; static void ptasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg); static periph_ctor_t ptctor; static periph_oninv_t ptoninvalidate; static periph_dtor_t ptdtor; static periph_start_t ptstart; static void ptdone(struct cam_periph *periph, union ccb *done_ccb); static d_ioctl_t ptioctl; static int pterror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags); void scsi_send_receive(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int tag_action, int readop, u_int byte2, u_int32_t xfer_len, u_int8_t *data_ptr, u_int8_t sense_len, u_int32_t timeout); static struct periph_driver ptdriver = { ptinit, "pt", TAILQ_HEAD_INITIALIZER(ptdriver.units), /* generation */ 0 }; PERIPHDRIVER_DECLARE(pt, ptdriver); static struct cdevsw pt_cdevsw = { .d_version = D_VERSION, .d_flags = 0, .d_open = ptopen, .d_close = ptclose, .d_read = physread, .d_write = physwrite, .d_ioctl = ptioctl, .d_strategy = ptstrategy, .d_name = "pt", }; #ifndef SCSI_PT_DEFAULT_TIMEOUT #define SCSI_PT_DEFAULT_TIMEOUT 60 #endif static int ptopen(struct cdev *dev, int flags, int fmt, struct thread *td) { struct cam_periph *periph; struct pt_softc *softc; int error = 0; periph = (struct cam_periph *)dev->si_drv1; if (cam_periph_acquire(periph) != CAM_REQ_CMP) return (ENXIO); softc = (struct pt_softc *)periph->softc; cam_periph_lock(periph); if (softc->flags & PT_FLAG_DEVICE_INVALID) { cam_periph_release_locked(periph); cam_periph_unlock(periph); return(ENXIO); } if ((softc->flags & PT_FLAG_OPEN) == 0) softc->flags |= PT_FLAG_OPEN; else { error = EBUSY; cam_periph_release(periph); } CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("ptopen: dev=%s\n", devtoname(dev))); cam_periph_unlock(periph); return (error); } static int ptclose(struct cdev *dev, int flag, int fmt, struct thread *td) { struct cam_periph *periph; struct pt_softc *softc; periph = (struct cam_periph *)dev->si_drv1; if (periph == NULL) return (ENXIO); softc = (struct pt_softc *)periph->softc; cam_periph_lock(periph); softc->flags &= ~PT_FLAG_OPEN; cam_periph_release_locked(periph); cam_periph_unlock(periph); return (0); } /* * Actually translate the requested transfer into one the physical driver * can understand. The transfer is described by a buf and will include * only one physical transfer. */ static void ptstrategy(struct bio *bp) { struct cam_periph *periph; struct pt_softc *softc; periph = (struct cam_periph *)bp->bio_dev->si_drv1; bp->bio_resid = bp->bio_bcount; if (periph == NULL) { biofinish(bp, NULL, ENXIO); return; } cam_periph_lock(periph); softc = (struct pt_softc *)periph->softc; /* * If the device has been made invalid, error out */ if ((softc->flags & PT_FLAG_DEVICE_INVALID)) { cam_periph_unlock(periph); biofinish(bp, NULL, ENXIO); return; } /* * Place it in the queue of disk activities for this disk */ bioq_insert_tail(&softc->bio_queue, bp); /* * Schedule ourselves for performing the work. */ xpt_schedule(periph, CAM_PRIORITY_NORMAL); cam_periph_unlock(periph); return; } static void ptinit(void) { cam_status status; /* * Install a global async callback. This callback will * receive async callbacks like "new device found". */ status = xpt_register_async(AC_FOUND_DEVICE, ptasync, NULL, NULL); if (status != CAM_REQ_CMP) { printf("pt: Failed to attach master async callback " "due to status 0x%x!\n", status); } } static cam_status ptctor(struct cam_periph *periph, void *arg) { struct pt_softc *softc; struct ccb_getdev *cgd; struct ccb_pathinq cpi; cgd = (struct ccb_getdev *)arg; if (cgd == NULL) { printf("ptregister: no getdev CCB, can't register device\n"); return(CAM_REQ_CMP_ERR); } softc = (struct pt_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT); if (softc == NULL) { printf("daregister: Unable to probe new device. " "Unable to allocate softc\n"); return(CAM_REQ_CMP_ERR); } bzero(softc, sizeof(*softc)); LIST_INIT(&softc->pending_ccbs); softc->state = PT_STATE_NORMAL; bioq_init(&softc->bio_queue); softc->io_timeout = SCSI_PT_DEFAULT_TIMEOUT * 1000; periph->softc = softc; bzero(&cpi, sizeof(cpi)); xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); cpi.ccb_h.func_code = XPT_PATH_INQ; xpt_action((union ccb *)&cpi); cam_periph_unlock(periph); softc->device_stats = devstat_new_entry("pt", periph->unit_number, 0, DEVSTAT_NO_BLOCKSIZE, SID_TYPE(&cgd->inq_data) | XPORT_DEVSTAT_TYPE(cpi.transport), DEVSTAT_PRIORITY_OTHER); softc->dev = make_dev(&pt_cdevsw, periph->unit_number, UID_ROOT, GID_OPERATOR, 0600, "%s%d", periph->periph_name, periph->unit_number); cam_periph_lock(periph); softc->dev->si_drv1 = periph; /* * Add async callbacks for bus reset and * bus device reset calls. I don't bother * checking if this fails as, in most cases, * the system will function just fine without * them and the only alternative would be to * not attach the device on failure. */ xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE, ptasync, periph, periph->path); /* Tell the user we've attached to the device */ xpt_announce_periph(periph, NULL); return(CAM_REQ_CMP); } static void ptoninvalidate(struct cam_periph *periph) { struct pt_softc *softc; softc = (struct pt_softc *)periph->softc; /* * De-register any async callbacks. */ xpt_register_async(0, ptasync, periph, periph->path); softc->flags |= PT_FLAG_DEVICE_INVALID; /* * Return all queued I/O with ENXIO. * XXX Handle any transactions queued to the card * with XPT_ABORT_CCB. */ bioq_flush(&softc->bio_queue, NULL, ENXIO); - - xpt_print(periph->path, "lost device\n"); } static void ptdtor(struct cam_periph *periph) { struct pt_softc *softc; softc = (struct pt_softc *)periph->softc; - xpt_print(periph->path, "removing device entry\n"); devstat_remove_entry(softc->device_stats); cam_periph_unlock(periph); destroy_dev(softc->dev); cam_periph_lock(periph); free(softc, M_DEVBUF); } static void ptasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg) { struct cam_periph *periph; periph = (struct cam_periph *)callback_arg; switch (code) { case AC_FOUND_DEVICE: { struct ccb_getdev *cgd; cam_status status; cgd = (struct ccb_getdev *)arg; if (cgd == NULL) break; if (cgd->protocol != PROTO_SCSI) break; if (SID_TYPE(&cgd->inq_data) != T_PROCESSOR) break; /* * Allocate a peripheral instance for * this device and start the probe * process. */ status = cam_periph_alloc(ptctor, ptoninvalidate, ptdtor, ptstart, "pt", CAM_PERIPH_BIO, cgd->ccb_h.path, ptasync, AC_FOUND_DEVICE, cgd); if (status != CAM_REQ_CMP && status != CAM_REQ_INPROG) printf("ptasync: Unable to attach to new device " "due to status 0x%x\n", status); break; } case AC_SENT_BDR: case AC_BUS_RESET: { struct pt_softc *softc; struct ccb_hdr *ccbh; softc = (struct pt_softc *)periph->softc; /* * Don't fail on the expected unit attention * that will occur. */ softc->flags |= PT_FLAG_RETRY_UA; LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) ccbh->ccb_state |= PT_CCB_RETRY_UA; } /* FALLTHROUGH */ default: cam_periph_async(periph, code, path, arg); break; } } static void ptstart(struct cam_periph *periph, union ccb *start_ccb) { struct pt_softc *softc; struct bio *bp; softc = (struct pt_softc *)periph->softc; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("ptstart\n")); /* * See if there is a buf with work for us to do.. */ bp = bioq_first(&softc->bio_queue); if (periph->immediate_priority <= periph->pinfo.priority) { CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, ("queuing for immediate ccb\n")); start_ccb->ccb_h.ccb_state = PT_CCB_WAITING; SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, periph_links.sle); periph->immediate_priority = CAM_PRIORITY_NONE; wakeup(&periph->ccb_list); } else if (bp == NULL) { xpt_release_ccb(start_ccb); } else { bioq_remove(&softc->bio_queue, bp); devstat_start_transaction_bio(softc->device_stats, bp); scsi_send_receive(&start_ccb->csio, /*retries*/4, ptdone, MSG_SIMPLE_Q_TAG, bp->bio_cmd == BIO_READ, /*byte2*/0, bp->bio_bcount, bp->bio_data, /*sense_len*/SSD_FULL_SIZE, /*timeout*/softc->io_timeout); start_ccb->ccb_h.ccb_state = PT_CCB_BUFFER_IO_UA; /* * Block out any asynchronous callbacks * while we touch the pending ccb list. */ LIST_INSERT_HEAD(&softc->pending_ccbs, &start_ccb->ccb_h, periph_links.le); start_ccb->ccb_h.ccb_bp = bp; bp = bioq_first(&softc->bio_queue); xpt_action(start_ccb); if (bp != NULL) { /* Have more work to do, so ensure we stay scheduled */ xpt_schedule(periph, CAM_PRIORITY_NORMAL); } } } static void ptdone(struct cam_periph *periph, union ccb *done_ccb) { struct pt_softc *softc; struct ccb_scsiio *csio; softc = (struct pt_softc *)periph->softc; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("ptdone\n")); csio = &done_ccb->csio; switch (csio->ccb_h.ccb_state) { case PT_CCB_BUFFER_IO: case PT_CCB_BUFFER_IO_UA: { struct bio *bp; bp = (struct bio *)done_ccb->ccb_h.ccb_bp; if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { int error; int sf; if ((csio->ccb_h.ccb_state & PT_CCB_RETRY_UA) != 0) sf = SF_RETRY_UA; else sf = 0; error = pterror(done_ccb, CAM_RETRY_SELTO, sf); if (error == ERESTART) { /* * A retry was scheuled, so * just return. */ return; } if (error != 0) { if (error == ENXIO) { /* * Catastrophic error. Mark our device * as invalid. */ xpt_print(periph->path, "Invalidating device\n"); softc->flags |= PT_FLAG_DEVICE_INVALID; } /* * return all queued I/O with EIO, so that * the client can retry these I/Os in the * proper order should it attempt to recover. */ bioq_flush(&softc->bio_queue, NULL, EIO); bp->bio_error = error; bp->bio_resid = bp->bio_bcount; bp->bio_flags |= BIO_ERROR; } else { bp->bio_resid = csio->resid; bp->bio_error = 0; if (bp->bio_resid != 0) { /* Short transfer ??? */ bp->bio_flags |= BIO_ERROR; } } if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) cam_release_devq(done_ccb->ccb_h.path, /*relsim_flags*/0, /*reduction*/0, /*timeout*/0, /*getcount_only*/0); } else { bp->bio_resid = csio->resid; if (bp->bio_resid != 0) bp->bio_flags |= BIO_ERROR; } /* * Block out any asynchronous callbacks * while we touch the pending ccb list. */ LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); biofinish(bp, softc->device_stats, 0); break; } case PT_CCB_WAITING: /* Caller will release the CCB */ wakeup(&done_ccb->ccb_h.cbfcnp); return; } xpt_release_ccb(done_ccb); } static int pterror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) { struct pt_softc *softc; struct cam_periph *periph; periph = xpt_path_periph(ccb->ccb_h.path); softc = (struct pt_softc *)periph->softc; return(cam_periph_error(ccb, cam_flags, sense_flags, &softc->saved_ccb)); } static int ptioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, struct thread *td) { struct cam_periph *periph; struct pt_softc *softc; int error = 0; periph = (struct cam_periph *)dev->si_drv1; if (periph == NULL) return(ENXIO); softc = (struct pt_softc *)periph->softc; cam_periph_lock(periph); switch(cmd) { case PTIOCGETTIMEOUT: if (softc->io_timeout >= 1000) *(int *)addr = softc->io_timeout / 1000; else *(int *)addr = 0; break; case PTIOCSETTIMEOUT: if (*(int *)addr < 1) { error = EINVAL; break; } softc->io_timeout = *(int *)addr * 1000; break; default: error = cam_periph_ioctl(periph, cmd, addr, pterror); break; } cam_periph_unlock(periph); return(error); } void scsi_send_receive(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int tag_action, int readop, u_int byte2, u_int32_t xfer_len, u_int8_t *data_ptr, u_int8_t sense_len, u_int32_t timeout) { struct scsi_send_receive *scsi_cmd; scsi_cmd = (struct scsi_send_receive *)&csio->cdb_io.cdb_bytes; scsi_cmd->opcode = readop ? RECEIVE : SEND; scsi_cmd->byte2 = byte2; scsi_ulto3b(xfer_len, scsi_cmd->xfer_len); scsi_cmd->control = 0; cam_fill_csio(csio, retries, cbfcnp, /*flags*/readop ? CAM_DIR_IN : CAM_DIR_OUT, tag_action, data_ptr, xfer_len, sense_len, sizeof(*scsi_cmd), timeout); } Index: stable/9/sys/cam/scsi/scsi_sa.c =================================================================== --- stable/9/sys/cam/scsi/scsi_sa.c (revision 257049) +++ stable/9/sys/cam/scsi/scsi_sa.c (revision 257050) @@ -1,3669 +1,3665 @@ /*- * Implementation of SCSI Sequential Access Peripheral driver for CAM. * * Copyright (c) 1999, 2000 Matthew Jacob * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include #ifdef _KERNEL #include #include #endif #include #include #include #include #include #include #ifdef _KERNEL #include #endif #include #include #ifndef _KERNEL #include #include #endif #include #include #include #include #include #include #include #include #ifdef _KERNEL #include #ifndef SA_IO_TIMEOUT #define SA_IO_TIMEOUT 4 #endif #ifndef SA_SPACE_TIMEOUT #define SA_SPACE_TIMEOUT 1 * 60 #endif #ifndef SA_REWIND_TIMEOUT #define SA_REWIND_TIMEOUT 2 * 60 #endif #ifndef SA_ERASE_TIMEOUT #define SA_ERASE_TIMEOUT 4 * 60 #endif #define SCSIOP_TIMEOUT (60 * 1000) /* not an option */ #define IO_TIMEOUT (SA_IO_TIMEOUT * 60 * 1000) #define REWIND_TIMEOUT (SA_REWIND_TIMEOUT * 60 * 1000) #define ERASE_TIMEOUT (SA_ERASE_TIMEOUT * 60 * 1000) #define SPACE_TIMEOUT (SA_SPACE_TIMEOUT * 60 * 1000) /* * Additional options that can be set for config: SA_1FM_AT_EOT */ #ifndef UNUSED_PARAMETER #define UNUSED_PARAMETER(x) x = x #endif #define QFRLS(ccb) \ if (((ccb)->ccb_h.status & CAM_DEV_QFRZN) != 0) \ cam_release_devq((ccb)->ccb_h.path, 0, 0, 0, FALSE) /* * Driver states */ static MALLOC_DEFINE(M_SCSISA, "SCSI sa", "SCSI sequential access buffers"); typedef enum { SA_STATE_NORMAL, SA_STATE_ABNORMAL } sa_state; #define ccb_pflags ppriv_field0 #define ccb_bp ppriv_ptr1 #define SA_CCB_BUFFER_IO 0x0 #define SA_CCB_WAITING 0x1 #define SA_CCB_TYPEMASK 0x1 #define SA_POSITION_UPDATED 0x2 #define Set_CCB_Type(x, type) \ x->ccb_h.ccb_pflags &= ~SA_CCB_TYPEMASK; \ x->ccb_h.ccb_pflags |= type #define CCB_Type(x) (x->ccb_h.ccb_pflags & SA_CCB_TYPEMASK) typedef enum { SA_FLAG_OPEN = 0x0001, SA_FLAG_FIXED = 0x0002, SA_FLAG_TAPE_LOCKED = 0x0004, SA_FLAG_TAPE_MOUNTED = 0x0008, SA_FLAG_TAPE_WP = 0x0010, SA_FLAG_TAPE_WRITTEN = 0x0020, SA_FLAG_EOM_PENDING = 0x0040, SA_FLAG_EIO_PENDING = 0x0080, SA_FLAG_EOF_PENDING = 0x0100, SA_FLAG_ERR_PENDING = (SA_FLAG_EOM_PENDING|SA_FLAG_EIO_PENDING| SA_FLAG_EOF_PENDING), SA_FLAG_INVALID = 0x0200, SA_FLAG_COMP_ENABLED = 0x0400, SA_FLAG_COMP_SUPP = 0x0800, SA_FLAG_COMP_UNSUPP = 0x1000, SA_FLAG_TAPE_FROZEN = 0x2000 } sa_flags; typedef enum { SA_MODE_REWIND = 0x00, SA_MODE_NOREWIND = 0x01, SA_MODE_OFFLINE = 0x02 } sa_mode; typedef enum { SA_PARAM_NONE = 0x00, SA_PARAM_BLOCKSIZE = 0x01, SA_PARAM_DENSITY = 0x02, SA_PARAM_COMPRESSION = 0x04, SA_PARAM_BUFF_MODE = 0x08, SA_PARAM_NUMBLOCKS = 0x10, SA_PARAM_WP = 0x20, SA_PARAM_SPEED = 0x40, SA_PARAM_ALL = 0x7f } sa_params; typedef enum { SA_QUIRK_NONE = 0x00, SA_QUIRK_NOCOMP = 0x01, /* Can't deal with compression at all */ SA_QUIRK_FIXED = 0x02, /* Force fixed mode */ SA_QUIRK_VARIABLE = 0x04, /* Force variable mode */ SA_QUIRK_2FM = 0x08, /* Needs Two File Marks at EOD */ SA_QUIRK_1FM = 0x10, /* No more than 1 File Mark at EOD */ SA_QUIRK_NODREAD = 0x20, /* Don't try and dummy read density */ SA_QUIRK_NO_MODESEL = 0x40, /* Don't do mode select at all */ SA_QUIRK_NO_CPAGE = 0x80 /* Don't use DEVICE COMPRESSION page */ } sa_quirks; #define SA_QUIRK_BIT_STRING \ "\020" \ "\001NOCOMP" \ "\002FIXED" \ "\003VARIABLE" \ "\0042FM" \ "\0051FM" \ "\006NODREAD" \ "\007NO_MODESEL" \ "\010NO_CPAGE" #define SAMODE(z) (dev2unit(z) & 0x3) #define SADENSITY(z) ((dev2unit(z) >> 2) & 0x3) #define SA_IS_CTRL(z) (dev2unit(z) & (1 << 4)) #define SA_NOT_CTLDEV 0 #define SA_CTLDEV 1 #define SA_ATYPE_R 0 #define SA_ATYPE_NR 1 #define SA_ATYPE_ER 2 #define SAMINOR(ctl, mode, access) \ ((ctl << 4) | (mode << 2) | (access & 0x3)) #define SA_NUM_MODES 4 struct sa_devs { struct cdev *ctl_dev; struct sa_mode_devs { struct cdev *r_dev; struct cdev *nr_dev; struct cdev *er_dev; } mode_devs[SA_NUM_MODES]; }; struct sa_softc { sa_state state; sa_flags flags; sa_quirks quirks; u_int si_flags; struct bio_queue_head bio_queue; int queue_count; struct devstat *device_stats; struct sa_devs devs; int blk_gran; int blk_mask; int blk_shift; u_int32_t max_blk; u_int32_t min_blk; u_int32_t maxio; u_int32_t comp_algorithm; u_int32_t saved_comp_algorithm; u_int32_t media_blksize; u_int32_t last_media_blksize; u_int32_t media_numblks; u_int8_t media_density; u_int8_t speed; u_int8_t scsi_rev; u_int8_t dsreg; /* mtio mt_dsreg, redux */ int buffer_mode; int filemarks; union ccb saved_ccb; int last_resid_was_io; /* * Relative to BOT Location. */ daddr_t fileno; daddr_t blkno; /* * Latched Error Info */ struct { struct scsi_sense_data _last_io_sense; u_int64_t _last_io_resid; u_int8_t _last_io_cdb[CAM_MAX_CDBLEN]; struct scsi_sense_data _last_ctl_sense; u_int64_t _last_ctl_resid; u_int8_t _last_ctl_cdb[CAM_MAX_CDBLEN]; #define last_io_sense errinfo._last_io_sense #define last_io_resid errinfo._last_io_resid #define last_io_cdb errinfo._last_io_cdb #define last_ctl_sense errinfo._last_ctl_sense #define last_ctl_resid errinfo._last_ctl_resid #define last_ctl_cdb errinfo._last_ctl_cdb } errinfo; /* * Misc other flags/state */ u_int32_t : 29, open_rdonly : 1, /* open read-only */ open_pending_mount : 1, /* open pending mount */ ctrl_mode : 1; /* control device open */ }; struct sa_quirk_entry { struct scsi_inquiry_pattern inq_pat; /* matching pattern */ sa_quirks quirks; /* specific quirk type */ u_int32_t prefblk; /* preferred blocksize when in fixed mode */ }; static struct sa_quirk_entry sa_quirk_table[] = { { { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "OnStream", "ADR*", "*"}, SA_QUIRK_FIXED|SA_QUIRK_NODREAD | SA_QUIRK_1FM|SA_QUIRK_NO_MODESEL, 32768 }, { { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "ARCHIVE", "Python 06408*", "*"}, SA_QUIRK_NODREAD, 0 }, { { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "ARCHIVE", "Python 25601*", "*"}, SA_QUIRK_NOCOMP|SA_QUIRK_NODREAD, 0 }, { { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "ARCHIVE", "Python*", "*"}, SA_QUIRK_NODREAD, 0 }, { { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "ARCHIVE", "VIPER 150*", "*"}, SA_QUIRK_FIXED|SA_QUIRK_1FM, 512 }, { { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "ARCHIVE", "VIPER 2525 25462", "-011"}, SA_QUIRK_NOCOMP|SA_QUIRK_1FM|SA_QUIRK_NODREAD, 0 }, { { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "ARCHIVE", "VIPER 2525*", "*"}, SA_QUIRK_FIXED|SA_QUIRK_1FM, 1024 }, #if 0 { { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "HP", "C15*", "*"}, SA_QUIRK_VARIABLE|SA_QUIRK_NO_CPAGE, 0, }, #endif { { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "HP", "C56*", "*"}, SA_QUIRK_VARIABLE|SA_QUIRK_2FM, 0 }, { { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "HP", "T20*", "*"}, SA_QUIRK_FIXED|SA_QUIRK_1FM, 512 }, { { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "HP", "T4000*", "*"}, SA_QUIRK_FIXED|SA_QUIRK_1FM, 512 }, { { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "HP", "HP-88780*", "*"}, SA_QUIRK_VARIABLE|SA_QUIRK_2FM, 0 }, { { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "KENNEDY", "*", "*"}, SA_QUIRK_VARIABLE|SA_QUIRK_2FM, 0 }, { { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "M4 DATA", "123107 SCSI*", "*"}, SA_QUIRK_VARIABLE|SA_QUIRK_2FM, 0 }, { /* jreynold@primenet.com */ { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "Seagate", "STT8000N*", "*"}, SA_QUIRK_1FM, 0 }, { /* mike@sentex.net */ { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "Seagate", "STT20000*", "*"}, SA_QUIRK_1FM, 0 }, { { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "SEAGATE", "DAT 06241-XXX", "*"}, SA_QUIRK_VARIABLE|SA_QUIRK_2FM, 0 }, { { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "TANDBERG", " TDC 3600", "U07:"}, SA_QUIRK_NOCOMP|SA_QUIRK_1FM, 512 }, { { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "TANDBERG", " TDC 3800", "*"}, SA_QUIRK_NOCOMP|SA_QUIRK_1FM, 512 }, { { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "TANDBERG", " TDC 4100", "*"}, SA_QUIRK_NOCOMP|SA_QUIRK_1FM, 512 }, { { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "TANDBERG", " TDC 4200", "*"}, SA_QUIRK_NOCOMP|SA_QUIRK_1FM, 512 }, { { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "TANDBERG", " SLR*", "*"}, SA_QUIRK_1FM, 0 }, { { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "WANGTEK", "5525ES*", "*"}, SA_QUIRK_FIXED|SA_QUIRK_1FM, 512 }, { { T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "WANGTEK", "51000*", "*"}, SA_QUIRK_FIXED|SA_QUIRK_1FM, 1024 } }; static d_open_t saopen; static d_close_t saclose; static d_strategy_t sastrategy; static d_ioctl_t saioctl; static periph_init_t sainit; static periph_ctor_t saregister; static periph_oninv_t saoninvalidate; static periph_dtor_t sacleanup; static periph_start_t sastart; static void saasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg); static void sadone(struct cam_periph *periph, union ccb *start_ccb); static int saerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags); static int samarkswanted(struct cam_periph *); static int sacheckeod(struct cam_periph *periph); static int sagetparams(struct cam_periph *periph, sa_params params_to_get, u_int32_t *blocksize, u_int8_t *density, u_int32_t *numblocks, int *buff_mode, u_int8_t *write_protect, u_int8_t *speed, int *comp_supported, int *comp_enabled, u_int32_t *comp_algorithm, sa_comp_t *comp_page); static int sasetparams(struct cam_periph *periph, sa_params params_to_set, u_int32_t blocksize, u_int8_t density, u_int32_t comp_algorithm, u_int32_t sense_flags); static void saprevent(struct cam_periph *periph, int action); static int sarewind(struct cam_periph *periph); static int saspace(struct cam_periph *periph, int count, scsi_space_code code); static int samount(struct cam_periph *, int, struct cdev *); static int saretension(struct cam_periph *periph); static int sareservereleaseunit(struct cam_periph *periph, int reserve); static int saloadunload(struct cam_periph *periph, int load); static int saerase(struct cam_periph *periph, int longerase); static int sawritefilemarks(struct cam_periph *periph, int nmarks, int setmarks); static int sardpos(struct cam_periph *periph, int, u_int32_t *); static int sasetpos(struct cam_periph *periph, int, u_int32_t *); static struct periph_driver sadriver = { sainit, "sa", TAILQ_HEAD_INITIALIZER(sadriver.units), /* generation */ 0 }; PERIPHDRIVER_DECLARE(sa, sadriver); /* For 2.2-stable support */ #ifndef D_TAPE #define D_TAPE 0 #endif static struct cdevsw sa_cdevsw = { .d_version = D_VERSION, .d_open = saopen, .d_close = saclose, .d_read = physread, .d_write = physwrite, .d_ioctl = saioctl, .d_strategy = sastrategy, .d_name = "sa", .d_flags = D_TAPE, }; static int saopen(struct cdev *dev, int flags, int fmt, struct thread *td) { struct cam_periph *periph; struct sa_softc *softc; int error; periph = (struct cam_periph *)dev->si_drv1; if (cam_periph_acquire(periph) != CAM_REQ_CMP) { return (ENXIO); } cam_periph_lock(periph); softc = (struct sa_softc *)periph->softc; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE|CAM_DEBUG_INFO, ("saopen(%s): softc=0x%x\n", devtoname(dev), softc->flags)); if (SA_IS_CTRL(dev)) { softc->ctrl_mode = 1; cam_periph_unlock(periph); return (0); } if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { cam_periph_unlock(periph); cam_periph_release(periph); return (error); } if (softc->flags & SA_FLAG_OPEN) { error = EBUSY; } else if (softc->flags & SA_FLAG_INVALID) { error = ENXIO; } else { /* * Preserve whether this is a read_only open. */ softc->open_rdonly = (flags & O_RDWR) == O_RDONLY; /* * The function samount ensures media is loaded and ready. * It also does a device RESERVE if the tape isn't yet mounted. * * If the mount fails and this was a non-blocking open, * make this a 'open_pending_mount' action. */ error = samount(periph, flags, dev); if (error && (flags & O_NONBLOCK)) { softc->flags |= SA_FLAG_OPEN; softc->open_pending_mount = 1; cam_periph_unhold(periph); cam_periph_unlock(periph); return (0); } } if (error) { cam_periph_unhold(periph); cam_periph_unlock(periph); cam_periph_release(periph); return (error); } saprevent(periph, PR_PREVENT); softc->flags |= SA_FLAG_OPEN; cam_periph_unhold(periph); cam_periph_unlock(periph); return (error); } static int saclose(struct cdev *dev, int flag, int fmt, struct thread *td) { struct cam_periph *periph; struct sa_softc *softc; int mode, error, writing, tmp; int closedbits = SA_FLAG_OPEN; mode = SAMODE(dev); periph = (struct cam_periph *)dev->si_drv1; if (periph == NULL) return (ENXIO); cam_periph_lock(periph); softc = (struct sa_softc *)periph->softc; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE|CAM_DEBUG_INFO, ("saclose(%s): softc=0x%x\n", devtoname(dev), softc->flags)); softc->open_rdonly = 0; if (SA_IS_CTRL(dev)) { softc->ctrl_mode = 0; cam_periph_unlock(periph); cam_periph_release(periph); return (0); } if (softc->open_pending_mount) { softc->flags &= ~SA_FLAG_OPEN; softc->open_pending_mount = 0; cam_periph_unlock(periph); cam_periph_release(periph); return (0); } if ((error = cam_periph_hold(periph, PRIBIO)) != 0) { cam_periph_unlock(periph); return (error); } /* * Were we writing the tape? */ writing = (softc->flags & SA_FLAG_TAPE_WRITTEN) != 0; /* * See whether or not we need to write filemarks. If this * fails, we probably have to assume we've lost tape * position. */ error = sacheckeod(periph); if (error) { xpt_print(periph->path, "failed to write terminating filemark(s)\n"); softc->flags |= SA_FLAG_TAPE_FROZEN; } /* * Whatever we end up doing, allow users to eject tapes from here on. */ saprevent(periph, PR_ALLOW); /* * Decide how to end... */ if ((softc->flags & SA_FLAG_TAPE_MOUNTED) == 0) { closedbits |= SA_FLAG_TAPE_FROZEN; } else switch (mode) { case SA_MODE_OFFLINE: /* * An 'offline' close is an unconditional release of * frozen && mount conditions, irrespective of whether * these operations succeeded. The reason for this is * to allow at least some kind of programmatic way * around our state getting all fouled up. If somebody * issues an 'offline' command, that will be allowed * to clear state. */ (void) sarewind(periph); (void) saloadunload(periph, FALSE); closedbits |= SA_FLAG_TAPE_MOUNTED|SA_FLAG_TAPE_FROZEN; break; case SA_MODE_REWIND: /* * If the rewind fails, return an error- if anyone cares, * but not overwriting any previous error. * * We don't clear the notion of mounted here, but we do * clear the notion of frozen if we successfully rewound. */ tmp = sarewind(periph); if (tmp) { if (error != 0) error = tmp; } else { closedbits |= SA_FLAG_TAPE_FROZEN; } break; case SA_MODE_NOREWIND: /* * If we're not rewinding/unloading the tape, find out * whether we need to back up over one of two filemarks * we wrote (if we wrote two filemarks) so that appends * from this point on will be sane. */ if (error == 0 && writing && (softc->quirks & SA_QUIRK_2FM)) { tmp = saspace(periph, -1, SS_FILEMARKS); if (tmp) { xpt_print(periph->path, "unable to backspace " "over one of double filemarks at end of " "tape\n"); xpt_print(periph->path, "it is possible that " "this device needs a SA_QUIRK_1FM quirk set" "for it\n"); softc->flags |= SA_FLAG_TAPE_FROZEN; } } break; default: xpt_print(periph->path, "unknown mode 0x%x in saclose\n", mode); /* NOTREACHED */ break; } /* * We wish to note here that there are no more filemarks to be written. */ softc->filemarks = 0; softc->flags &= ~SA_FLAG_TAPE_WRITTEN; /* * And we are no longer open for business. */ softc->flags &= ~closedbits; /* * Inform users if tape state if frozen.... */ if (softc->flags & SA_FLAG_TAPE_FROZEN) { xpt_print(periph->path, "tape is now frozen- use an OFFLINE, " "REWIND or MTEOM command to clear this state.\n"); } /* release the device if it is no longer mounted */ if ((softc->flags & SA_FLAG_TAPE_MOUNTED) == 0) sareservereleaseunit(periph, FALSE); cam_periph_unhold(periph); cam_periph_unlock(periph); cam_periph_release(periph); return (error); } /* * Actually translate the requested transfer into one the physical driver * can understand. The transfer is described by a buf and will include * only one physical transfer. */ static void sastrategy(struct bio *bp) { struct cam_periph *periph; struct sa_softc *softc; bp->bio_resid = bp->bio_bcount; if (SA_IS_CTRL(bp->bio_dev)) { biofinish(bp, NULL, EINVAL); return; } periph = (struct cam_periph *)bp->bio_dev->si_drv1; if (periph == NULL) { biofinish(bp, NULL, ENXIO); return; } cam_periph_lock(periph); softc = (struct sa_softc *)periph->softc; if (softc->flags & SA_FLAG_INVALID) { cam_periph_unlock(periph); biofinish(bp, NULL, ENXIO); return; } if (softc->flags & SA_FLAG_TAPE_FROZEN) { cam_periph_unlock(periph); biofinish(bp, NULL, EPERM); return; } /* * This should actually never occur as the write(2) * system call traps attempts to write to a read-only * file descriptor. */ if (bp->bio_cmd == BIO_WRITE && softc->open_rdonly) { cam_periph_unlock(periph); biofinish(bp, NULL, EBADF); return; } if (softc->open_pending_mount) { int error = samount(periph, 0, bp->bio_dev); if (error) { cam_periph_unlock(periph); biofinish(bp, NULL, ENXIO); return; } saprevent(periph, PR_PREVENT); softc->open_pending_mount = 0; } /* * If it's a null transfer, return immediately */ if (bp->bio_bcount == 0) { cam_periph_unlock(periph); biodone(bp); return; } /* valid request? */ if (softc->flags & SA_FLAG_FIXED) { /* * Fixed block device. The byte count must * be a multiple of our block size. */ if (((softc->blk_mask != ~0) && ((bp->bio_bcount & softc->blk_mask) != 0)) || ((softc->blk_mask == ~0) && ((bp->bio_bcount % softc->min_blk) != 0))) { xpt_print(periph->path, "Invalid request. Fixed block " "device requests must be a multiple of %d bytes\n", softc->min_blk); cam_periph_unlock(periph); biofinish(bp, NULL, EINVAL); return; } } else if ((bp->bio_bcount > softc->max_blk) || (bp->bio_bcount < softc->min_blk) || (bp->bio_bcount & softc->blk_mask) != 0) { xpt_print_path(periph->path); printf("Invalid request. Variable block " "device requests must be "); if (softc->blk_mask != 0) { printf("a multiple of %d ", (0x1 << softc->blk_gran)); } printf("between %d and %d bytes\n", softc->min_blk, softc->max_blk); cam_periph_unlock(periph); biofinish(bp, NULL, EINVAL); return; } /* * Place it at the end of the queue. */ bioq_insert_tail(&softc->bio_queue, bp); softc->queue_count++; #if 0 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, ("sastrategy: queuing a %ld %s byte %s\n", bp->bio_bcount, (softc->flags & SA_FLAG_FIXED)? "fixed" : "variable", (bp->bio_cmd == BIO_READ)? "read" : "write")); #endif if (softc->queue_count > 1) { CAM_DEBUG(periph->path, CAM_DEBUG_INFO, ("sastrategy: queue count now %d\n", softc->queue_count)); } /* * Schedule ourselves for performing the work. */ xpt_schedule(periph, CAM_PRIORITY_NORMAL); cam_periph_unlock(periph); return; } #define PENDING_MOUNT_CHECK(softc, periph, dev) \ if (softc->open_pending_mount) { \ error = samount(periph, 0, dev); \ if (error) { \ break; \ } \ saprevent(periph, PR_PREVENT); \ softc->open_pending_mount = 0; \ } static int saioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, struct thread *td) { struct cam_periph *periph; struct sa_softc *softc; scsi_space_code spaceop; int didlockperiph = 0; int mode; int error = 0; mode = SAMODE(dev); error = 0; /* shut up gcc */ spaceop = 0; /* shut up gcc */ periph = (struct cam_periph *)dev->si_drv1; if (periph == NULL) return (ENXIO); cam_periph_lock(periph); softc = (struct sa_softc *)periph->softc; /* * Check for control mode accesses. We allow MTIOCGET and * MTIOCERRSTAT (but need to be the only one open in order * to clear latched status), and MTSETBSIZE, MTSETDNSTY * and MTCOMP (but need to be the only one accessing this * device to run those). */ if (SA_IS_CTRL(dev)) { switch (cmd) { case MTIOCGETEOTMODEL: case MTIOCGET: break; case MTIOCERRSTAT: /* * If the periph isn't already locked, lock it * so our MTIOCERRSTAT can reset latched error stats. * * If the periph is already locked, skip it because * we're just getting status and it'll be up to the * other thread that has this device open to do * an MTIOCERRSTAT that would clear latched status. */ if ((periph->flags & CAM_PERIPH_LOCKED) == 0) { error = cam_periph_hold(periph, PRIBIO|PCATCH); if (error != 0) { cam_periph_unlock(periph); return (error); } didlockperiph = 1; } break; case MTIOCTOP: { struct mtop *mt = (struct mtop *) arg; /* * Check to make sure it's an OP we can perform * with no media inserted. */ switch (mt->mt_op) { case MTSETBSIZ: case MTSETDNSTY: case MTCOMP: mt = NULL; /* FALLTHROUGH */ default: break; } if (mt != NULL) { break; } /* FALLTHROUGH */ } case MTIOCSETEOTMODEL: /* * We need to acquire the peripheral here rather * than at open time because we are sharing writable * access to data structures. */ error = cam_periph_hold(periph, PRIBIO|PCATCH); if (error != 0) { cam_periph_unlock(periph); return (error); } didlockperiph = 1; break; default: cam_periph_unlock(periph); return (EINVAL); } } /* * Find the device that the user is talking about */ switch (cmd) { case MTIOCGET: { struct mtget *g = (struct mtget *)arg; /* * If this isn't the control mode device, actually go out * and ask the drive again what it's set to. */ if (!SA_IS_CTRL(dev) && !softc->open_pending_mount) { u_int8_t write_protect; int comp_enabled, comp_supported; error = sagetparams(periph, SA_PARAM_ALL, &softc->media_blksize, &softc->media_density, &softc->media_numblks, &softc->buffer_mode, &write_protect, &softc->speed, &comp_supported, &comp_enabled, &softc->comp_algorithm, NULL); if (error) break; if (write_protect) softc->flags |= SA_FLAG_TAPE_WP; else softc->flags &= ~SA_FLAG_TAPE_WP; softc->flags &= ~(SA_FLAG_COMP_SUPP| SA_FLAG_COMP_ENABLED|SA_FLAG_COMP_UNSUPP); if (comp_supported) { if (softc->saved_comp_algorithm == 0) softc->saved_comp_algorithm = softc->comp_algorithm; softc->flags |= SA_FLAG_COMP_SUPP; if (comp_enabled) softc->flags |= SA_FLAG_COMP_ENABLED; } else softc->flags |= SA_FLAG_COMP_UNSUPP; } bzero(g, sizeof(struct mtget)); g->mt_type = MT_ISAR; if (softc->flags & SA_FLAG_COMP_UNSUPP) { g->mt_comp = MT_COMP_UNSUPP; g->mt_comp0 = MT_COMP_UNSUPP; g->mt_comp1 = MT_COMP_UNSUPP; g->mt_comp2 = MT_COMP_UNSUPP; g->mt_comp3 = MT_COMP_UNSUPP; } else { if ((softc->flags & SA_FLAG_COMP_ENABLED) == 0) { g->mt_comp = MT_COMP_DISABLED; } else { g->mt_comp = softc->comp_algorithm; } g->mt_comp0 = softc->comp_algorithm; g->mt_comp1 = softc->comp_algorithm; g->mt_comp2 = softc->comp_algorithm; g->mt_comp3 = softc->comp_algorithm; } g->mt_density = softc->media_density; g->mt_density0 = softc->media_density; g->mt_density1 = softc->media_density; g->mt_density2 = softc->media_density; g->mt_density3 = softc->media_density; g->mt_blksiz = softc->media_blksize; g->mt_blksiz0 = softc->media_blksize; g->mt_blksiz1 = softc->media_blksize; g->mt_blksiz2 = softc->media_blksize; g->mt_blksiz3 = softc->media_blksize; g->mt_fileno = softc->fileno; g->mt_blkno = softc->blkno; g->mt_dsreg = (short) softc->dsreg; /* * Yes, we know that this is likely to overflow */ if (softc->last_resid_was_io) { if ((g->mt_resid = (short) softc->last_io_resid) != 0) { if (SA_IS_CTRL(dev) == 0 || didlockperiph) { softc->last_io_resid = 0; } } } else { if ((g->mt_resid = (short)softc->last_ctl_resid) != 0) { if (SA_IS_CTRL(dev) == 0 || didlockperiph) { softc->last_ctl_resid = 0; } } } error = 0; break; } case MTIOCERRSTAT: { struct scsi_tape_errors *sep = &((union mterrstat *)arg)->scsi_errstat; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("saioctl: MTIOCERRSTAT\n")); bzero(sep, sizeof(*sep)); sep->io_resid = softc->last_io_resid; bcopy((caddr_t) &softc->last_io_sense, sep->io_sense, sizeof (sep->io_sense)); bcopy((caddr_t) &softc->last_io_cdb, sep->io_cdb, sizeof (sep->io_cdb)); sep->ctl_resid = softc->last_ctl_resid; bcopy((caddr_t) &softc->last_ctl_sense, sep->ctl_sense, sizeof (sep->ctl_sense)); bcopy((caddr_t) &softc->last_ctl_cdb, sep->ctl_cdb, sizeof (sep->ctl_cdb)); if ((SA_IS_CTRL(dev) == 0 && softc->open_pending_mount) || didlockperiph) bzero((caddr_t) &softc->errinfo, sizeof (softc->errinfo)); error = 0; break; } case MTIOCTOP: { struct mtop *mt; int count; PENDING_MOUNT_CHECK(softc, periph, dev); mt = (struct mtop *)arg; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("saioctl: op=0x%x count=0x%x\n", mt->mt_op, mt->mt_count)); count = mt->mt_count; switch (mt->mt_op) { case MTWEOF: /* write an end-of-file marker */ /* * We don't need to clear the SA_FLAG_TAPE_WRITTEN * flag because by keeping track of filemarks * we have last written we know ehether or not * we need to write more when we close the device. */ error = sawritefilemarks(periph, count, FALSE); break; case MTWSS: /* write a setmark */ error = sawritefilemarks(periph, count, TRUE); break; case MTBSR: /* backward space record */ case MTFSR: /* forward space record */ case MTBSF: /* backward space file */ case MTFSF: /* forward space file */ case MTBSS: /* backward space setmark */ case MTFSS: /* forward space setmark */ case MTEOD: /* space to end of recorded medium */ { int nmarks; spaceop = SS_FILEMARKS; nmarks = softc->filemarks; error = sacheckeod(periph); if (error) { xpt_print(periph->path, "EOD check prior to spacing failed\n"); softc->flags |= SA_FLAG_EIO_PENDING; break; } nmarks -= softc->filemarks; switch(mt->mt_op) { case MTBSR: count = -count; /* FALLTHROUGH */ case MTFSR: spaceop = SS_BLOCKS; break; case MTBSF: count = -count; /* FALLTHROUGH */ case MTFSF: break; case MTBSS: count = -count; /* FALLTHROUGH */ case MTFSS: spaceop = SS_SETMARKS; break; case MTEOD: spaceop = SS_EOD; count = 0; nmarks = 0; break; default: error = EINVAL; break; } if (error) break; nmarks = softc->filemarks; /* * XXX: Why are we checking again? */ error = sacheckeod(periph); if (error) break; nmarks -= softc->filemarks; error = saspace(periph, count - nmarks, spaceop); /* * At this point, clear that we've written the tape * and that we've written any filemarks. We really * don't know what the applications wishes to do next- * the sacheckeod's will make sure we terminated the * tape correctly if we'd been writing, but the next * action the user application takes will set again * whether we need to write filemarks. */ softc->flags &= ~(SA_FLAG_TAPE_WRITTEN|SA_FLAG_TAPE_FROZEN); softc->filemarks = 0; break; } case MTREW: /* rewind */ PENDING_MOUNT_CHECK(softc, periph, dev); (void) sacheckeod(periph); error = sarewind(periph); /* see above */ softc->flags &= ~(SA_FLAG_TAPE_WRITTEN|SA_FLAG_TAPE_FROZEN); softc->flags &= ~SA_FLAG_ERR_PENDING; softc->filemarks = 0; break; case MTERASE: /* erase */ PENDING_MOUNT_CHECK(softc, periph, dev); error = saerase(periph, count); softc->flags &= ~(SA_FLAG_TAPE_WRITTEN|SA_FLAG_TAPE_FROZEN); softc->flags &= ~SA_FLAG_ERR_PENDING; break; case MTRETENS: /* re-tension tape */ PENDING_MOUNT_CHECK(softc, periph, dev); error = saretension(periph); softc->flags &= ~(SA_FLAG_TAPE_WRITTEN|SA_FLAG_TAPE_FROZEN); softc->flags &= ~SA_FLAG_ERR_PENDING; break; case MTOFFL: /* rewind and put the drive offline */ PENDING_MOUNT_CHECK(softc, periph, dev); (void) sacheckeod(periph); /* see above */ softc->flags &= ~SA_FLAG_TAPE_WRITTEN; softc->filemarks = 0; error = sarewind(periph); /* clear the frozen flag anyway */ softc->flags &= ~SA_FLAG_TAPE_FROZEN; /* * Be sure to allow media removal before ejecting. */ saprevent(periph, PR_ALLOW); if (error == 0) { error = saloadunload(periph, FALSE); if (error == 0) { softc->flags &= ~SA_FLAG_TAPE_MOUNTED; } } break; case MTNOP: /* no operation, sets status only */ case MTCACHE: /* enable controller cache */ case MTNOCACHE: /* disable controller cache */ error = 0; break; case MTSETBSIZ: /* Set block size for device */ PENDING_MOUNT_CHECK(softc, periph, dev); error = sasetparams(periph, SA_PARAM_BLOCKSIZE, count, 0, 0, 0); if (error == 0) { softc->last_media_blksize = softc->media_blksize; softc->media_blksize = count; if (count) { softc->flags |= SA_FLAG_FIXED; if (powerof2(count)) { softc->blk_shift = ffs(count) - 1; softc->blk_mask = count - 1; } else { softc->blk_mask = ~0; softc->blk_shift = 0; } /* * Make the user's desire 'persistent'. */ softc->quirks &= ~SA_QUIRK_VARIABLE; softc->quirks |= SA_QUIRK_FIXED; } else { softc->flags &= ~SA_FLAG_FIXED; if (softc->max_blk == 0) { softc->max_blk = ~0; } softc->blk_shift = 0; if (softc->blk_gran != 0) { softc->blk_mask = softc->blk_gran - 1; } else { softc->blk_mask = 0; } /* * Make the user's desire 'persistent'. */ softc->quirks |= SA_QUIRK_VARIABLE; softc->quirks &= ~SA_QUIRK_FIXED; } } break; case MTSETDNSTY: /* Set density for device and mode */ PENDING_MOUNT_CHECK(softc, periph, dev); if (count > UCHAR_MAX) { error = EINVAL; break; } else { error = sasetparams(periph, SA_PARAM_DENSITY, 0, count, 0, 0); } break; case MTCOMP: /* enable compression */ PENDING_MOUNT_CHECK(softc, periph, dev); /* * Some devices don't support compression, and * don't like it if you ask them for the * compression page. */ if ((softc->quirks & SA_QUIRK_NOCOMP) || (softc->flags & SA_FLAG_COMP_UNSUPP)) { error = ENODEV; break; } error = sasetparams(periph, SA_PARAM_COMPRESSION, 0, 0, count, SF_NO_PRINT); break; default: error = EINVAL; } break; } case MTIOCIEOT: case MTIOCEEOT: error = 0; break; case MTIOCRDSPOS: PENDING_MOUNT_CHECK(softc, periph, dev); error = sardpos(periph, 0, (u_int32_t *) arg); break; case MTIOCRDHPOS: PENDING_MOUNT_CHECK(softc, periph, dev); error = sardpos(periph, 1, (u_int32_t *) arg); break; case MTIOCSLOCATE: PENDING_MOUNT_CHECK(softc, periph, dev); error = sasetpos(periph, 0, (u_int32_t *) arg); break; case MTIOCHLOCATE: PENDING_MOUNT_CHECK(softc, periph, dev); error = sasetpos(periph, 1, (u_int32_t *) arg); break; case MTIOCGETEOTMODEL: error = 0; if (softc->quirks & SA_QUIRK_1FM) mode = 1; else mode = 2; *((u_int32_t *) arg) = mode; break; case MTIOCSETEOTMODEL: error = 0; switch (*((u_int32_t *) arg)) { case 1: softc->quirks &= ~SA_QUIRK_2FM; softc->quirks |= SA_QUIRK_1FM; break; case 2: softc->quirks &= ~SA_QUIRK_1FM; softc->quirks |= SA_QUIRK_2FM; break; default: error = EINVAL; break; } break; default: error = cam_periph_ioctl(periph, cmd, arg, saerror); break; } /* * Check to see if we cleared a frozen state */ if (error == 0 && (softc->flags & SA_FLAG_TAPE_FROZEN)) { switch(cmd) { case MTIOCRDSPOS: case MTIOCRDHPOS: case MTIOCSLOCATE: case MTIOCHLOCATE: softc->fileno = (daddr_t) -1; softc->blkno = (daddr_t) -1; softc->flags &= ~SA_FLAG_TAPE_FROZEN; xpt_print(periph->path, "tape state now unfrozen.\n"); break; default: break; } } if (didlockperiph) { cam_periph_unhold(periph); } cam_periph_unlock(periph); return (error); } static void sainit(void) { cam_status status; /* * Install a global async callback. */ status = xpt_register_async(AC_FOUND_DEVICE, saasync, NULL, NULL); if (status != CAM_REQ_CMP) { printf("sa: Failed to attach master async callback " "due to status 0x%x!\n", status); } } static void saoninvalidate(struct cam_periph *periph) { struct sa_softc *softc; softc = (struct sa_softc *)periph->softc; /* * De-register any async callbacks. */ xpt_register_async(0, saasync, periph, periph->path); softc->flags |= SA_FLAG_INVALID; /* * Return all queued I/O with ENXIO. * XXX Handle any transactions queued to the card * with XPT_ABORT_CCB. */ bioq_flush(&softc->bio_queue, NULL, ENXIO); softc->queue_count = 0; - - xpt_print(periph->path, "lost device\n"); - } static void sacleanup(struct cam_periph *periph) { struct sa_softc *softc; int i; softc = (struct sa_softc *)periph->softc; - xpt_print(periph->path, "removing device entry\n"); devstat_remove_entry(softc->device_stats); cam_periph_unlock(periph); destroy_dev(softc->devs.ctl_dev); for (i = 0; i < SA_NUM_MODES; i++) { destroy_dev(softc->devs.mode_devs[i].r_dev); destroy_dev(softc->devs.mode_devs[i].nr_dev); destroy_dev(softc->devs.mode_devs[i].er_dev); } cam_periph_lock(periph); free(softc, M_SCSISA); } static void saasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg) { struct cam_periph *periph; periph = (struct cam_periph *)callback_arg; switch (code) { case AC_FOUND_DEVICE: { struct ccb_getdev *cgd; cam_status status; cgd = (struct ccb_getdev *)arg; if (cgd == NULL) break; if (cgd->protocol != PROTO_SCSI) break; if (SID_TYPE(&cgd->inq_data) != T_SEQUENTIAL) break; /* * Allocate a peripheral instance for * this device and start the probe * process. */ status = cam_periph_alloc(saregister, saoninvalidate, sacleanup, sastart, "sa", CAM_PERIPH_BIO, cgd->ccb_h.path, saasync, AC_FOUND_DEVICE, cgd); if (status != CAM_REQ_CMP && status != CAM_REQ_INPROG) printf("saasync: Unable to probe new device " "due to status 0x%x\n", status); break; } default: cam_periph_async(periph, code, path, arg); break; } } static cam_status saregister(struct cam_periph *periph, void *arg) { struct sa_softc *softc; struct ccb_getdev *cgd; struct ccb_pathinq cpi; caddr_t match; int i; cgd = (struct ccb_getdev *)arg; if (cgd == NULL) { printf("saregister: no getdev CCB, can't register device\n"); return (CAM_REQ_CMP_ERR); } softc = (struct sa_softc *) malloc(sizeof (*softc), M_SCSISA, M_NOWAIT | M_ZERO); if (softc == NULL) { printf("saregister: Unable to probe new device. " "Unable to allocate softc\n"); return (CAM_REQ_CMP_ERR); } softc->scsi_rev = SID_ANSI_REV(&cgd->inq_data); softc->state = SA_STATE_NORMAL; softc->fileno = (daddr_t) -1; softc->blkno = (daddr_t) -1; bioq_init(&softc->bio_queue); periph->softc = softc; /* * See if this device has any quirks. */ match = cam_quirkmatch((caddr_t)&cgd->inq_data, (caddr_t)sa_quirk_table, sizeof(sa_quirk_table)/sizeof(*sa_quirk_table), sizeof(*sa_quirk_table), scsi_inquiry_match); if (match != NULL) { softc->quirks = ((struct sa_quirk_entry *)match)->quirks; softc->last_media_blksize = ((struct sa_quirk_entry *)match)->prefblk; } else softc->quirks = SA_QUIRK_NONE; bzero(&cpi, sizeof(cpi)); xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); cpi.ccb_h.func_code = XPT_PATH_INQ; xpt_action((union ccb *)&cpi); /* * The SA driver supports a blocksize, but we don't know the * blocksize until we media is inserted. So, set a flag to * indicate that the blocksize is unavailable right now. */ cam_periph_unlock(periph); softc->device_stats = devstat_new_entry("sa", periph->unit_number, 0, DEVSTAT_BS_UNAVAILABLE, SID_TYPE(&cgd->inq_data) | XPORT_DEVSTAT_TYPE(cpi.transport), DEVSTAT_PRIORITY_TAPE); /* * If maxio isn't set, we fall back to DFLTPHYS. If it is set, we * take it whether or not it's larger than MAXPHYS. physio will * break it down into pieces small enough to fit in a buffer. */ if (cpi.maxio == 0) softc->maxio = DFLTPHYS; else softc->maxio = cpi.maxio; /* * If the SIM supports unmapped I/O, let physio know that we can * handle unmapped buffers. */ if (cpi.hba_misc & PIM_UNMAPPED) softc->si_flags = SI_UNMAPPED; softc->devs.ctl_dev = make_dev(&sa_cdevsw, SAMINOR(SA_CTLDEV, 0, SA_ATYPE_R), UID_ROOT, GID_OPERATOR, 0660, "%s%d.ctl", periph->periph_name, periph->unit_number); softc->devs.ctl_dev->si_drv1 = periph; softc->devs.ctl_dev->si_iosize_max = softc->maxio; softc->devs.ctl_dev->si_flags |= softc->si_flags; for (i = 0; i < SA_NUM_MODES; i++) { softc->devs.mode_devs[i].r_dev = make_dev(&sa_cdevsw, SAMINOR(SA_NOT_CTLDEV, i, SA_ATYPE_R), UID_ROOT, GID_OPERATOR, 0660, "%s%d.%d", periph->periph_name, periph->unit_number, i); softc->devs.mode_devs[i].r_dev->si_drv1 = periph; softc->devs.mode_devs[i].r_dev->si_iosize_max = softc->maxio; softc->devs.mode_devs[i].r_dev->si_flags |= softc->si_flags; softc->devs.mode_devs[i].nr_dev = make_dev(&sa_cdevsw, SAMINOR(SA_NOT_CTLDEV, i, SA_ATYPE_NR), UID_ROOT, GID_OPERATOR, 0660, "n%s%d.%d", periph->periph_name, periph->unit_number, i); softc->devs.mode_devs[i].nr_dev->si_drv1 = periph; softc->devs.mode_devs[i].nr_dev->si_iosize_max = softc->maxio; softc->devs.mode_devs[i].nr_dev->si_flags |= softc->si_flags; softc->devs.mode_devs[i].er_dev = make_dev(&sa_cdevsw, SAMINOR(SA_NOT_CTLDEV, i, SA_ATYPE_ER), UID_ROOT, GID_OPERATOR, 0660, "e%s%d.%d", periph->periph_name, periph->unit_number, i); softc->devs.mode_devs[i].er_dev->si_drv1 = periph; softc->devs.mode_devs[i].er_dev->si_iosize_max = softc->maxio; softc->devs.mode_devs[i].er_dev->si_flags |= softc->si_flags; /* * Make the (well known) aliases for the first mode. */ if (i == 0) { struct cdev *alias; alias = make_dev_alias(softc->devs.mode_devs[i].r_dev, "%s%d", periph->periph_name, periph->unit_number); alias->si_drv1 = periph; alias->si_iosize_max = softc->maxio; alias->si_flags |= softc->si_flags; alias = make_dev_alias(softc->devs.mode_devs[i].nr_dev, "n%s%d", periph->periph_name, periph->unit_number); alias->si_drv1 = periph; alias->si_iosize_max = softc->maxio; alias->si_flags |= softc->si_flags; alias = make_dev_alias(softc->devs.mode_devs[i].er_dev, "e%s%d", periph->periph_name, periph->unit_number); alias->si_drv1 = periph; alias->si_iosize_max = softc->maxio; alias->si_flags |= softc->si_flags; } } cam_periph_lock(periph); /* * Add an async callback so that we get * notified if this device goes away. */ xpt_register_async(AC_LOST_DEVICE, saasync, periph, periph->path); xpt_announce_periph(periph, NULL); xpt_announce_quirks(periph, softc->quirks, SA_QUIRK_BIT_STRING); return (CAM_REQ_CMP); } static void sastart(struct cam_periph *periph, union ccb *start_ccb) { struct sa_softc *softc; softc = (struct sa_softc *)periph->softc; CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("sastart\n")); switch (softc->state) { case SA_STATE_NORMAL: { /* Pull a buffer from the queue and get going on it */ struct bio *bp; /* * See if there is a buf with work for us to do.. */ bp = bioq_first(&softc->bio_queue); if (periph->immediate_priority <= periph->pinfo.priority) { CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE, ("queuing for immediate ccb\n")); Set_CCB_Type(start_ccb, SA_CCB_WAITING); SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, periph_links.sle); periph->immediate_priority = CAM_PRIORITY_NONE; wakeup(&periph->ccb_list); } else if (bp == NULL) { xpt_release_ccb(start_ccb); } else if ((softc->flags & SA_FLAG_ERR_PENDING) != 0) { struct bio *done_bp; again: softc->queue_count--; bioq_remove(&softc->bio_queue, bp); bp->bio_resid = bp->bio_bcount; done_bp = bp; if ((softc->flags & SA_FLAG_EOM_PENDING) != 0) { /* * We now just clear errors in this case * and let the residual be the notifier. */ bp->bio_error = 0; } else if ((softc->flags & SA_FLAG_EOF_PENDING) != 0) { /* * This can only happen if we're reading * in fixed length mode. In this case, * we dump the rest of the list the * same way. */ bp->bio_error = 0; if (bioq_first(&softc->bio_queue) != NULL) { biodone(done_bp); goto again; } } else if ((softc->flags & SA_FLAG_EIO_PENDING) != 0) { bp->bio_error = EIO; bp->bio_flags |= BIO_ERROR; } bp = bioq_first(&softc->bio_queue); /* * Only if we have no other buffers queued up * do we clear the pending error flag. */ if (bp == NULL) softc->flags &= ~SA_FLAG_ERR_PENDING; CAM_DEBUG(periph->path, CAM_DEBUG_INFO, ("sastart- ERR_PENDING now 0x%x, bp is %sNULL, " "%d more buffers queued up\n", (softc->flags & SA_FLAG_ERR_PENDING), (bp != NULL)? "not " : " ", softc->queue_count)); xpt_release_ccb(start_ccb); biodone(done_bp); } else { u_int32_t length; bioq_remove(&softc->bio_queue, bp); softc->queue_count--; if ((softc->flags & SA_FLAG_FIXED) != 0) { if (softc->blk_shift != 0) { length = bp->bio_bcount >> softc->blk_shift; } else if (softc->media_blksize != 0) { length = bp->bio_bcount / softc->media_blksize; } else { bp->bio_error = EIO; xpt_print(periph->path, "zero blocksize" " for FIXED length writes?\n"); biodone(bp); break; } #if 0 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_INFO, ("issuing a %d fixed record %s\n", length, (bp->bio_cmd == BIO_READ)? "read" : "write")); #endif } else { length = bp->bio_bcount; #if 0 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_INFO, ("issuing a %d variable byte %s\n", length, (bp->bio_cmd == BIO_READ)? "read" : "write")); #endif } devstat_start_transaction_bio(softc->device_stats, bp); /* * Some people have theorized that we should * suppress illegal length indication if we are * running in variable block mode so that we don't * have to request sense every time our requested * block size is larger than the written block. * The residual information from the ccb allows * us to identify this situation anyway. The only * problem with this is that we will not get * information about blocks that are larger than * our read buffer unless we set the block size * in the mode page to something other than 0. * * I believe that this is a non-issue. If user apps * don't adjust their read size to match our record * size, that's just life. Anyway, the typical usage * would be to issue, e.g., 64KB reads and occasionally * have to do deal with 512 byte or 1KB intermediate * records. */ softc->dsreg = (bp->bio_cmd == BIO_READ)? MTIO_DSREG_RD : MTIO_DSREG_WR; scsi_sa_read_write(&start_ccb->csio, 0, sadone, MSG_SIMPLE_Q_TAG, (bp->bio_cmd == BIO_READ ? SCSI_RW_READ : SCSI_RW_WRITE) | ((bp->bio_flags & BIO_UNMAPPED) != 0 ? SCSI_RW_BIO : 0), FALSE, (softc->flags & SA_FLAG_FIXED) != 0, length, (bp->bio_flags & BIO_UNMAPPED) != 0 ? (void *)bp : bp->bio_data, bp->bio_bcount, SSD_FULL_SIZE, IO_TIMEOUT); start_ccb->ccb_h.ccb_pflags &= ~SA_POSITION_UPDATED; Set_CCB_Type(start_ccb, SA_CCB_BUFFER_IO); start_ccb->ccb_h.ccb_bp = bp; bp = bioq_first(&softc->bio_queue); xpt_action(start_ccb); } if (bp != NULL) { /* Have more work to do, so ensure we stay scheduled */ xpt_schedule(periph, CAM_PRIORITY_NORMAL); } break; } case SA_STATE_ABNORMAL: default: panic("state 0x%x in sastart", softc->state); break; } } static void sadone(struct cam_periph *periph, union ccb *done_ccb) { struct sa_softc *softc; struct ccb_scsiio *csio; softc = (struct sa_softc *)periph->softc; csio = &done_ccb->csio; switch (CCB_Type(csio)) { case SA_CCB_BUFFER_IO: { struct bio *bp; int error; softc->dsreg = MTIO_DSREG_REST; bp = (struct bio *)done_ccb->ccb_h.ccb_bp; error = 0; if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { if ((error = saerror(done_ccb, 0, 0)) == ERESTART) { /* * A retry was scheduled, so just return. */ return; } } if (error == EIO) { /* * Catastrophic error. Mark the tape as frozen * (we no longer know tape position). * * Return all queued I/O with EIO, and unfreeze * our queue so that future transactions that * attempt to fix this problem can get to the * device. * */ softc->flags |= SA_FLAG_TAPE_FROZEN; bioq_flush(&softc->bio_queue, NULL, EIO); } if (error != 0) { bp->bio_resid = bp->bio_bcount; bp->bio_error = error; bp->bio_flags |= BIO_ERROR; /* * In the error case, position is updated in saerror. */ } else { bp->bio_resid = csio->resid; bp->bio_error = 0; if (csio->resid != 0) { bp->bio_flags |= BIO_ERROR; } if (bp->bio_cmd == BIO_WRITE) { softc->flags |= SA_FLAG_TAPE_WRITTEN; softc->filemarks = 0; } if (!(csio->ccb_h.ccb_pflags & SA_POSITION_UPDATED) && (softc->blkno != (daddr_t) -1)) { if ((softc->flags & SA_FLAG_FIXED) != 0) { u_int32_t l; if (softc->blk_shift != 0) { l = bp->bio_bcount >> softc->blk_shift; } else { l = bp->bio_bcount / softc->media_blksize; } softc->blkno += (daddr_t) l; } else { softc->blkno++; } } } /* * If we had an error (immediate or pending), * release the device queue now. */ if (error || (softc->flags & SA_FLAG_ERR_PENDING)) cam_release_devq(done_ccb->ccb_h.path, 0, 0, 0, 0); if (error || bp->bio_resid) { CAM_DEBUG(periph->path, CAM_DEBUG_INFO, ("error %d resid %ld count %ld\n", error, bp->bio_resid, bp->bio_bcount)); } biofinish(bp, softc->device_stats, 0); break; } case SA_CCB_WAITING: { /* Caller will release the CCB */ wakeup(&done_ccb->ccb_h.cbfcnp); return; } } xpt_release_ccb(done_ccb); } /* * Mount the tape (make sure it's ready for I/O). */ static int samount(struct cam_periph *periph, int oflags, struct cdev *dev) { struct sa_softc *softc; union ccb *ccb; int error; /* * oflags can be checked for 'kind' of open (read-only check) - later * dev can be checked for a control-mode or compression open - later */ UNUSED_PARAMETER(oflags); UNUSED_PARAMETER(dev); softc = (struct sa_softc *)periph->softc; /* * This should determine if something has happend since the last * open/mount that would invalidate the mount. We do *not* want * to retry this command- we just want the status. But we only * do this if we're mounted already- if we're not mounted, * we don't care about the unit read state and can instead use * this opportunity to attempt to reserve the tape unit. */ if (softc->flags & SA_FLAG_TAPE_MOUNTED) { ccb = cam_periph_getccb(periph, 1); scsi_test_unit_ready(&ccb->csio, 0, sadone, MSG_SIMPLE_Q_TAG, SSD_FULL_SIZE, IO_TIMEOUT); error = cam_periph_runccb(ccb, saerror, 0, SF_NO_PRINT, softc->device_stats); if (error == ENXIO) { softc->flags &= ~SA_FLAG_TAPE_MOUNTED; scsi_test_unit_ready(&ccb->csio, 0, sadone, MSG_SIMPLE_Q_TAG, SSD_FULL_SIZE, IO_TIMEOUT); error = cam_periph_runccb(ccb, saerror, 0, SF_NO_PRINT, softc->device_stats); } else if (error) { /* * We don't need to freeze the tape because we * will now attempt to rewind/load it. */ softc->flags &= ~SA_FLAG_TAPE_MOUNTED; if (CAM_DEBUGGED(periph->path, CAM_DEBUG_INFO)) { xpt_print(periph->path, "error %d on TUR in samount\n", error); } } } else { error = sareservereleaseunit(periph, TRUE); if (error) { return (error); } ccb = cam_periph_getccb(periph, 1); scsi_test_unit_ready(&ccb->csio, 0, sadone, MSG_SIMPLE_Q_TAG, SSD_FULL_SIZE, IO_TIMEOUT); error = cam_periph_runccb(ccb, saerror, 0, SF_NO_PRINT, softc->device_stats); } if ((softc->flags & SA_FLAG_TAPE_MOUNTED) == 0) { struct scsi_read_block_limits_data *rblim = NULL; int comp_enabled, comp_supported; u_int8_t write_protect, guessing = 0; /* * Clear out old state. */ softc->flags &= ~(SA_FLAG_TAPE_WP|SA_FLAG_TAPE_WRITTEN| SA_FLAG_ERR_PENDING|SA_FLAG_COMP_ENABLED| SA_FLAG_COMP_SUPP|SA_FLAG_COMP_UNSUPP); softc->filemarks = 0; /* * *Very* first off, make sure we're loaded to BOT. */ scsi_load_unload(&ccb->csio, 2, sadone, MSG_SIMPLE_Q_TAG, FALSE, FALSE, FALSE, 1, SSD_FULL_SIZE, REWIND_TIMEOUT); error = cam_periph_runccb(ccb, saerror, 0, SF_NO_PRINT, softc->device_stats); /* * In case this doesn't work, do a REWIND instead */ if (error) { scsi_rewind(&ccb->csio, 2, sadone, MSG_SIMPLE_Q_TAG, FALSE, SSD_FULL_SIZE, REWIND_TIMEOUT); error = cam_periph_runccb(ccb, saerror, 0, SF_NO_PRINT, softc->device_stats); } if (error) { xpt_release_ccb(ccb); goto exit; } /* * Do a dummy test read to force access to the * media so that the drive will really know what's * there. We actually don't really care what the * blocksize on tape is and don't expect to really * read a full record. */ rblim = (struct scsi_read_block_limits_data *) malloc(8192, M_SCSISA, M_NOWAIT); if (rblim == NULL) { xpt_print(periph->path, "no memory for test read\n"); xpt_release_ccb(ccb); error = ENOMEM; goto exit; } if ((softc->quirks & SA_QUIRK_NODREAD) == 0) { scsi_sa_read_write(&ccb->csio, 0, sadone, MSG_SIMPLE_Q_TAG, 1, FALSE, 0, 8192, (void *) rblim, 8192, SSD_FULL_SIZE, IO_TIMEOUT); (void) cam_periph_runccb(ccb, saerror, 0, SF_NO_PRINT, softc->device_stats); scsi_rewind(&ccb->csio, 1, sadone, MSG_SIMPLE_Q_TAG, FALSE, SSD_FULL_SIZE, REWIND_TIMEOUT); error = cam_periph_runccb(ccb, saerror, CAM_RETRY_SELTO, SF_NO_PRINT | SF_RETRY_UA, softc->device_stats); if (error) { xpt_print(periph->path, "unable to rewind after test read\n"); xpt_release_ccb(ccb); goto exit; } } /* * Next off, determine block limits. */ scsi_read_block_limits(&ccb->csio, 5, sadone, MSG_SIMPLE_Q_TAG, rblim, SSD_FULL_SIZE, SCSIOP_TIMEOUT); error = cam_periph_runccb(ccb, saerror, CAM_RETRY_SELTO, SF_NO_PRINT | SF_RETRY_UA, softc->device_stats); xpt_release_ccb(ccb); if (error != 0) { /* * If it's less than SCSI-2, READ BLOCK LIMITS is not * a MANDATORY command. Anyway- it doesn't matter- * we can proceed anyway. */ softc->blk_gran = 0; softc->max_blk = ~0; softc->min_blk = 0; } else { if (softc->scsi_rev >= SCSI_REV_SPC) { softc->blk_gran = RBL_GRAN(rblim); } else { softc->blk_gran = 0; } /* * We take max_blk == min_blk to mean a default to * fixed mode- but note that whatever we get out of * sagetparams below will actually determine whether * we are actually *in* fixed mode. */ softc->max_blk = scsi_3btoul(rblim->maximum); softc->min_blk = scsi_2btoul(rblim->minimum); } /* * Next, perform a mode sense to determine * current density, blocksize, compression etc. */ error = sagetparams(periph, SA_PARAM_ALL, &softc->media_blksize, &softc->media_density, &softc->media_numblks, &softc->buffer_mode, &write_protect, &softc->speed, &comp_supported, &comp_enabled, &softc->comp_algorithm, NULL); if (error != 0) { /* * We could work a little harder here. We could * adjust our attempts to get information. It * might be an ancient tape drive. If someone * nudges us, we'll do that. */ goto exit; } /* * If no quirk has determined that this is a device that is * preferred to be in fixed or variable mode, now is the time * to find out. */ if ((softc->quirks & (SA_QUIRK_FIXED|SA_QUIRK_VARIABLE)) == 0) { guessing = 1; /* * This could be expensive to find out. Luckily we * only need to do this once. If we start out in * 'default' mode, try and set ourselves to one * of the densities that would determine a wad * of other stuff. Go from highest to lowest. */ if (softc->media_density == SCSI_DEFAULT_DENSITY) { int i; static u_int8_t ctry[] = { SCSI_DENSITY_HALFINCH_PE, SCSI_DENSITY_HALFINCH_6250C, SCSI_DENSITY_HALFINCH_6250, SCSI_DENSITY_HALFINCH_1600, SCSI_DENSITY_HALFINCH_800, SCSI_DENSITY_QIC_4GB, SCSI_DENSITY_QIC_2GB, SCSI_DENSITY_QIC_525_320, SCSI_DENSITY_QIC_150, SCSI_DENSITY_QIC_120, SCSI_DENSITY_QIC_24, SCSI_DENSITY_QIC_11_9TRK, SCSI_DENSITY_QIC_11_4TRK, SCSI_DENSITY_QIC_1320, SCSI_DENSITY_QIC_3080, 0 }; for (i = 0; ctry[i]; i++) { error = sasetparams(periph, SA_PARAM_DENSITY, 0, ctry[i], 0, SF_NO_PRINT); if (error == 0) { softc->media_density = ctry[i]; break; } } } switch (softc->media_density) { case SCSI_DENSITY_QIC_11_4TRK: case SCSI_DENSITY_QIC_11_9TRK: case SCSI_DENSITY_QIC_24: case SCSI_DENSITY_QIC_120: case SCSI_DENSITY_QIC_150: case SCSI_DENSITY_QIC_525_320: case SCSI_DENSITY_QIC_1320: case SCSI_DENSITY_QIC_3080: softc->quirks &= ~SA_QUIRK_2FM; softc->quirks |= SA_QUIRK_FIXED|SA_QUIRK_1FM; softc->last_media_blksize = 512; break; case SCSI_DENSITY_QIC_4GB: case SCSI_DENSITY_QIC_2GB: softc->quirks &= ~SA_QUIRK_2FM; softc->quirks |= SA_QUIRK_FIXED|SA_QUIRK_1FM; softc->last_media_blksize = 1024; break; default: softc->last_media_blksize = softc->media_blksize; softc->quirks |= SA_QUIRK_VARIABLE; break; } } /* * If no quirk has determined that this is a device that needs * to have 2 Filemarks at EOD, now is the time to find out. */ if ((softc->quirks & SA_QUIRK_2FM) == 0) { switch (softc->media_density) { case SCSI_DENSITY_HALFINCH_800: case SCSI_DENSITY_HALFINCH_1600: case SCSI_DENSITY_HALFINCH_6250: case SCSI_DENSITY_HALFINCH_6250C: case SCSI_DENSITY_HALFINCH_PE: softc->quirks &= ~SA_QUIRK_1FM; softc->quirks |= SA_QUIRK_2FM; break; default: break; } } /* * Now validate that some info we got makes sense. */ if ((softc->max_blk < softc->media_blksize) || (softc->min_blk > softc->media_blksize && softc->media_blksize)) { xpt_print(periph->path, "BLOCK LIMITS (%d..%d) could not match current " "block settings (%d)- adjusting\n", softc->min_blk, softc->max_blk, softc->media_blksize); softc->max_blk = softc->min_blk = softc->media_blksize; } /* * Now put ourselves into the right frame of mind based * upon quirks... */ tryagain: /* * If we want to be in FIXED mode and our current blocksize * is not equal to our last blocksize (if nonzero), try and * set ourselves to this last blocksize (as the 'preferred' * block size). The initial quirkmatch at registry sets the * initial 'last' blocksize. If, for whatever reason, this * 'last' blocksize is zero, set the blocksize to 512, * or min_blk if that's larger. */ if ((softc->quirks & SA_QUIRK_FIXED) && (softc->quirks & SA_QUIRK_NO_MODESEL) == 0 && (softc->media_blksize != softc->last_media_blksize)) { softc->media_blksize = softc->last_media_blksize; if (softc->media_blksize == 0) { softc->media_blksize = 512; if (softc->media_blksize < softc->min_blk) { softc->media_blksize = softc->min_blk; } } error = sasetparams(periph, SA_PARAM_BLOCKSIZE, softc->media_blksize, 0, 0, SF_NO_PRINT); if (error) { xpt_print(periph->path, "unable to set fixed blocksize to %d\n", softc->media_blksize); goto exit; } } if ((softc->quirks & SA_QUIRK_VARIABLE) && (softc->media_blksize != 0)) { softc->last_media_blksize = softc->media_blksize; softc->media_blksize = 0; error = sasetparams(periph, SA_PARAM_BLOCKSIZE, 0, 0, 0, SF_NO_PRINT); if (error) { /* * If this fails and we were guessing, just * assume that we got it wrong and go try * fixed block mode. Don't even check against * density code at this point. */ if (guessing) { softc->quirks &= ~SA_QUIRK_VARIABLE; softc->quirks |= SA_QUIRK_FIXED; if (softc->last_media_blksize == 0) softc->last_media_blksize = 512; goto tryagain; } xpt_print(periph->path, "unable to set variable blocksize\n"); goto exit; } } /* * Now that we have the current block size, * set up some parameters for sastart's usage. */ if (softc->media_blksize) { softc->flags |= SA_FLAG_FIXED; if (powerof2(softc->media_blksize)) { softc->blk_shift = ffs(softc->media_blksize) - 1; softc->blk_mask = softc->media_blksize - 1; } else { softc->blk_mask = ~0; softc->blk_shift = 0; } } else { /* * The SCSI-3 spec allows 0 to mean "unspecified". * The SCSI-1 spec allows 0 to mean 'infinite'. * * Either works here. */ if (softc->max_blk == 0) { softc->max_blk = ~0; } softc->blk_shift = 0; if (softc->blk_gran != 0) { softc->blk_mask = softc->blk_gran - 1; } else { softc->blk_mask = 0; } } if (write_protect) softc->flags |= SA_FLAG_TAPE_WP; if (comp_supported) { if (softc->saved_comp_algorithm == 0) softc->saved_comp_algorithm = softc->comp_algorithm; softc->flags |= SA_FLAG_COMP_SUPP; if (comp_enabled) softc->flags |= SA_FLAG_COMP_ENABLED; } else softc->flags |= SA_FLAG_COMP_UNSUPP; if ((softc->buffer_mode == SMH_SA_BUF_MODE_NOBUF) && (softc->quirks & SA_QUIRK_NO_MODESEL) == 0) { error = sasetparams(periph, SA_PARAM_BUFF_MODE, 0, 0, 0, SF_NO_PRINT); if (error == 0) { softc->buffer_mode = SMH_SA_BUF_MODE_SIBUF; } else { xpt_print(periph->path, "unable to set buffered mode\n"); } error = 0; /* not an error */ } if (error == 0) { softc->flags |= SA_FLAG_TAPE_MOUNTED; } exit: if (rblim != NULL) free(rblim, M_SCSISA); if (error != 0) { softc->dsreg = MTIO_DSREG_NIL; } else { softc->fileno = softc->blkno = 0; softc->dsreg = MTIO_DSREG_REST; } #ifdef SA_1FM_AT_EOD if ((softc->quirks & SA_QUIRK_2FM) == 0) softc->quirks |= SA_QUIRK_1FM; #else if ((softc->quirks & SA_QUIRK_1FM) == 0) softc->quirks |= SA_QUIRK_2FM; #endif } else xpt_release_ccb(ccb); /* * If we return an error, we're not mounted any more, * so release any device reservation. */ if (error != 0) { (void) sareservereleaseunit(periph, FALSE); } else { /* * Clear I/O residual. */ softc->last_io_resid = 0; softc->last_ctl_resid = 0; } return (error); } /* * How many filemarks do we need to write if we were to terminate the * tape session right now? Note that this can be a negative number */ static int samarkswanted(struct cam_periph *periph) { int markswanted; struct sa_softc *softc; softc = (struct sa_softc *)periph->softc; markswanted = 0; if ((softc->flags & SA_FLAG_TAPE_WRITTEN) != 0) { markswanted++; if (softc->quirks & SA_QUIRK_2FM) markswanted++; } markswanted -= softc->filemarks; return (markswanted); } static int sacheckeod(struct cam_periph *periph) { int error; int markswanted; markswanted = samarkswanted(periph); if (markswanted > 0) { error = sawritefilemarks(periph, markswanted, FALSE); } else { error = 0; } return (error); } static int saerror(union ccb *ccb, u_int32_t cflgs, u_int32_t sflgs) { static const char *toobig = "%d-byte tape record bigger than supplied buffer\n"; struct cam_periph *periph; struct sa_softc *softc; struct ccb_scsiio *csio; struct scsi_sense_data *sense; uint64_t resid = 0; int64_t info = 0; cam_status status; int error_code, sense_key, asc, ascq, error, aqvalid, stream_valid; int sense_len; uint8_t stream_bits; periph = xpt_path_periph(ccb->ccb_h.path); softc = (struct sa_softc *)periph->softc; csio = &ccb->csio; sense = &csio->sense_data; sense_len = csio->sense_len - csio->sense_resid; scsi_extract_sense_len(sense, sense_len, &error_code, &sense_key, &asc, &ascq, /*show_errors*/ 1); if (asc != -1 && ascq != -1) aqvalid = 1; else aqvalid = 0; if (scsi_get_stream_info(sense, sense_len, NULL, &stream_bits) == 0) stream_valid = 1; else stream_valid = 0; error = 0; status = csio->ccb_h.status & CAM_STATUS_MASK; /* * Calculate/latch up, any residuals... We do this in a funny 2-step * so we can print stuff here if we have CAM_DEBUG enabled for this * unit. */ if (status == CAM_SCSI_STATUS_ERROR) { if (scsi_get_sense_info(sense, sense_len, SSD_DESC_INFO, &resid, &info) == 0) { if ((softc->flags & SA_FLAG_FIXED) != 0) resid *= softc->media_blksize; } else { resid = csio->dxfer_len; info = resid; if ((softc->flags & SA_FLAG_FIXED) != 0) { if (softc->media_blksize) info /= softc->media_blksize; } } if (CCB_Type(csio) == SA_CCB_BUFFER_IO) { bcopy((caddr_t) sense, (caddr_t) &softc->last_io_sense, sizeof (struct scsi_sense_data)); bcopy(csio->cdb_io.cdb_bytes, softc->last_io_cdb, (int) csio->cdb_len); softc->last_io_resid = resid; softc->last_resid_was_io = 1; } else { bcopy((caddr_t) sense, (caddr_t) &softc->last_ctl_sense, sizeof (struct scsi_sense_data)); bcopy(csio->cdb_io.cdb_bytes, softc->last_ctl_cdb, (int) csio->cdb_len); softc->last_ctl_resid = resid; softc->last_resid_was_io = 0; } CAM_DEBUG(periph->path, CAM_DEBUG_INFO, ("CDB[0]=0x%x Key 0x%x " "ASC/ASCQ 0x%x/0x%x CAM STATUS 0x%x flags 0x%x resid %jd " "dxfer_len %d\n", csio->cdb_io.cdb_bytes[0] & 0xff, sense_key, asc, ascq, status, (stream_valid) ? stream_bits : 0, (intmax_t)resid, csio->dxfer_len)); } else { CAM_DEBUG(periph->path, CAM_DEBUG_INFO, ("Cam Status 0x%x\n", status)); } switch (status) { case CAM_REQ_CMP: return (0); case CAM_SCSI_STATUS_ERROR: /* * If a read/write command, we handle it here. */ if (CCB_Type(csio) != SA_CCB_WAITING) { break; } /* * If this was just EOM/EOP, Filemark, Setmark or ILI detected * on a non read/write command, we assume it's not an error * and propagate the residule and return. */ if ((aqvalid && asc == 0 && ascq > 0 && ascq <= 5) || (aqvalid == 0 && sense_key == SSD_KEY_NO_SENSE)) { csio->resid = resid; QFRLS(ccb); return (0); } /* * Otherwise, we let the common code handle this. */ return (cam_periph_error(ccb, cflgs, sflgs, &softc->saved_ccb)); /* * XXX: To Be Fixed * We cannot depend upon CAM honoring retry counts for these. */ case CAM_SCSI_BUS_RESET: case CAM_BDR_SENT: if (ccb->ccb_h.retry_count <= 0) { return (EIO); } /* FALLTHROUGH */ default: return (cam_periph_error(ccb, cflgs, sflgs, &softc->saved_ccb)); } /* * Handle filemark, end of tape, mismatched record sizes.... * From this point out, we're only handling read/write cases. * Handle writes && reads differently. */ if (csio->cdb_io.cdb_bytes[0] == SA_WRITE) { if (sense_key == SSD_KEY_VOLUME_OVERFLOW) { csio->resid = resid; error = ENOSPC; } else if ((stream_valid != 0) && (stream_bits & SSD_EOM)) { softc->flags |= SA_FLAG_EOM_PENDING; /* * Grotesque as it seems, the few times * I've actually seen a non-zero resid, * the tape drive actually lied and had * written all the data!. */ csio->resid = 0; } } else { csio->resid = resid; if (sense_key == SSD_KEY_BLANK_CHECK) { if (softc->quirks & SA_QUIRK_1FM) { error = 0; softc->flags |= SA_FLAG_EOM_PENDING; } else { error = EIO; } } else if ((stream_valid != 0) && (stream_bits & SSD_FILEMARK)){ if (softc->flags & SA_FLAG_FIXED) { error = -1; softc->flags |= SA_FLAG_EOF_PENDING; } /* * Unconditionally, if we detected a filemark on a read, * mark that we've run moved a file ahead. */ if (softc->fileno != (daddr_t) -1) { softc->fileno++; softc->blkno = 0; csio->ccb_h.ccb_pflags |= SA_POSITION_UPDATED; } } } /* * Incorrect Length usually applies to read, but can apply to writes. */ if (error == 0 && (stream_valid != 0) && (stream_bits & SSD_ILI)) { if (info < 0) { xpt_print(csio->ccb_h.path, toobig, csio->dxfer_len - info); csio->resid = csio->dxfer_len; error = EIO; } else { csio->resid = resid; if (softc->flags & SA_FLAG_FIXED) { softc->flags |= SA_FLAG_EIO_PENDING; } /* * Bump the block number if we hadn't seen a filemark. * Do this independent of errors (we've moved anyway). */ if ((stream_valid == 0) || (stream_bits & SSD_FILEMARK) == 0) { if (softc->blkno != (daddr_t) -1) { softc->blkno++; csio->ccb_h.ccb_pflags |= SA_POSITION_UPDATED; } } } } if (error <= 0) { /* * Unfreeze the queue if frozen as we're not returning anything * to our waiters that would indicate an I/O error has occurred * (yet). */ QFRLS(ccb); error = 0; } return (error); } static int sagetparams(struct cam_periph *periph, sa_params params_to_get, u_int32_t *blocksize, u_int8_t *density, u_int32_t *numblocks, int *buff_mode, u_int8_t *write_protect, u_int8_t *speed, int *comp_supported, int *comp_enabled, u_int32_t *comp_algorithm, sa_comp_t *tcs) { union ccb *ccb; void *mode_buffer; struct scsi_mode_header_6 *mode_hdr; struct scsi_mode_blk_desc *mode_blk; int mode_buffer_len; struct sa_softc *softc; u_int8_t cpage; int error; cam_status status; softc = (struct sa_softc *)periph->softc; ccb = cam_periph_getccb(periph, 1); if (softc->quirks & SA_QUIRK_NO_CPAGE) cpage = SA_DEVICE_CONFIGURATION_PAGE; else cpage = SA_DATA_COMPRESSION_PAGE; retry: mode_buffer_len = sizeof(*mode_hdr) + sizeof(*mode_blk); if (params_to_get & SA_PARAM_COMPRESSION) { if (softc->quirks & SA_QUIRK_NOCOMP) { *comp_supported = FALSE; params_to_get &= ~SA_PARAM_COMPRESSION; } else mode_buffer_len += sizeof (sa_comp_t); } /* XXX Fix M_NOWAIT */ mode_buffer = malloc(mode_buffer_len, M_SCSISA, M_NOWAIT | M_ZERO); if (mode_buffer == NULL) { xpt_release_ccb(ccb); return (ENOMEM); } mode_hdr = (struct scsi_mode_header_6 *)mode_buffer; mode_blk = (struct scsi_mode_blk_desc *)&mode_hdr[1]; /* it is safe to retry this */ scsi_mode_sense(&ccb->csio, 5, sadone, MSG_SIMPLE_Q_TAG, FALSE, SMS_PAGE_CTRL_CURRENT, (params_to_get & SA_PARAM_COMPRESSION) ? cpage : SMS_VENDOR_SPECIFIC_PAGE, mode_buffer, mode_buffer_len, SSD_FULL_SIZE, SCSIOP_TIMEOUT); error = cam_periph_runccb(ccb, saerror, 0, SF_NO_PRINT, softc->device_stats); status = ccb->ccb_h.status & CAM_STATUS_MASK; if (error == EINVAL && (params_to_get & SA_PARAM_COMPRESSION) != 0) { /* * Hmm. Let's see if we can try another page... * If we've already done that, give up on compression * for this device and remember this for the future * and attempt the request without asking for compression * info. */ if (cpage == SA_DATA_COMPRESSION_PAGE) { cpage = SA_DEVICE_CONFIGURATION_PAGE; goto retry; } softc->quirks |= SA_QUIRK_NOCOMP; free(mode_buffer, M_SCSISA); goto retry; } else if (status == CAM_SCSI_STATUS_ERROR) { /* Tell the user about the fatal error. */ scsi_sense_print(&ccb->csio); goto sagetparamsexit; } /* * If the user only wants the compression information, and * the device doesn't send back the block descriptor, it's * no big deal. If the user wants more than just * compression, though, and the device doesn't pass back the * block descriptor, we need to send another mode sense to * get the block descriptor. */ if ((mode_hdr->blk_desc_len == 0) && (params_to_get & SA_PARAM_COMPRESSION) && (params_to_get & ~(SA_PARAM_COMPRESSION))) { /* * Decrease the mode buffer length by the size of * the compression page, to make sure the data * there doesn't get overwritten. */ mode_buffer_len -= sizeof (sa_comp_t); /* * Now move the compression page that we presumably * got back down the memory chunk a little bit so * it doesn't get spammed. */ bcopy(&mode_hdr[0], &mode_hdr[1], sizeof (sa_comp_t)); bzero(&mode_hdr[0], sizeof (mode_hdr[0])); /* * Now, we issue another mode sense and just ask * for the block descriptor, etc. */ scsi_mode_sense(&ccb->csio, 2, sadone, MSG_SIMPLE_Q_TAG, FALSE, SMS_PAGE_CTRL_CURRENT, SMS_VENDOR_SPECIFIC_PAGE, mode_buffer, mode_buffer_len, SSD_FULL_SIZE, SCSIOP_TIMEOUT); error = cam_periph_runccb(ccb, saerror, 0, SF_NO_PRINT, softc->device_stats); if (error != 0) goto sagetparamsexit; } if (params_to_get & SA_PARAM_BLOCKSIZE) *blocksize = scsi_3btoul(mode_blk->blklen); if (params_to_get & SA_PARAM_NUMBLOCKS) *numblocks = scsi_3btoul(mode_blk->nblocks); if (params_to_get & SA_PARAM_BUFF_MODE) *buff_mode = mode_hdr->dev_spec & SMH_SA_BUF_MODE_MASK; if (params_to_get & SA_PARAM_DENSITY) *density = mode_blk->density; if (params_to_get & SA_PARAM_WP) *write_protect = (mode_hdr->dev_spec & SMH_SA_WP)? TRUE : FALSE; if (params_to_get & SA_PARAM_SPEED) *speed = mode_hdr->dev_spec & SMH_SA_SPEED_MASK; if (params_to_get & SA_PARAM_COMPRESSION) { sa_comp_t *ntcs = (sa_comp_t *) &mode_blk[1]; if (cpage == SA_DATA_COMPRESSION_PAGE) { struct scsi_data_compression_page *cp = &ntcs->dcomp; *comp_supported = (cp->dce_and_dcc & SA_DCP_DCC)? TRUE : FALSE; *comp_enabled = (cp->dce_and_dcc & SA_DCP_DCE)? TRUE : FALSE; *comp_algorithm = scsi_4btoul(cp->comp_algorithm); } else { struct scsi_dev_conf_page *cp = &ntcs->dconf; /* * We don't really know whether this device supports * Data Compression if the algorithm field is * zero. Just say we do. */ *comp_supported = TRUE; *comp_enabled = (cp->sel_comp_alg != SA_COMP_NONE)? TRUE : FALSE; *comp_algorithm = cp->sel_comp_alg; } if (tcs != NULL) bcopy(ntcs, tcs, sizeof (sa_comp_t)); } if (CAM_DEBUGGED(periph->path, CAM_DEBUG_INFO)) { int idx; char *xyz = mode_buffer; xpt_print_path(periph->path); printf("Mode Sense Data="); for (idx = 0; idx < mode_buffer_len; idx++) printf(" 0x%02x", xyz[idx] & 0xff); printf("\n"); } sagetparamsexit: xpt_release_ccb(ccb); free(mode_buffer, M_SCSISA); return (error); } /* * The purpose of this function is to set one of four different parameters * for a tape drive: * - blocksize * - density * - compression / compression algorithm * - buffering mode * * The assumption is that this will be called from saioctl(), and therefore * from a process context. Thus the waiting malloc calls below. If that * assumption ever changes, the malloc calls should be changed to be * NOWAIT mallocs. * * Any or all of the four parameters may be set when this function is * called. It should handle setting more than one parameter at once. */ static int sasetparams(struct cam_periph *periph, sa_params params_to_set, u_int32_t blocksize, u_int8_t density, u_int32_t calg, u_int32_t sense_flags) { struct sa_softc *softc; u_int32_t current_blocksize; u_int32_t current_calg; u_int8_t current_density; u_int8_t current_speed; int comp_enabled, comp_supported; void *mode_buffer; int mode_buffer_len; struct scsi_mode_header_6 *mode_hdr; struct scsi_mode_blk_desc *mode_blk; sa_comp_t *ccomp, *cpage; int buff_mode; union ccb *ccb = NULL; int error; softc = (struct sa_softc *)periph->softc; ccomp = malloc(sizeof (sa_comp_t), M_SCSISA, M_NOWAIT); if (ccomp == NULL) return (ENOMEM); /* * Since it doesn't make sense to set the number of blocks, or * write protection, we won't try to get the current value. We * always want to get the blocksize, so we can set it back to the * proper value. */ error = sagetparams(periph, params_to_set | SA_PARAM_BLOCKSIZE | SA_PARAM_SPEED, ¤t_blocksize, ¤t_density, NULL, &buff_mode, NULL, ¤t_speed, &comp_supported, &comp_enabled, ¤t_calg, ccomp); if (error != 0) { free(ccomp, M_SCSISA); return (error); } mode_buffer_len = sizeof(*mode_hdr) + sizeof(*mode_blk); if (params_to_set & SA_PARAM_COMPRESSION) mode_buffer_len += sizeof (sa_comp_t); mode_buffer = malloc(mode_buffer_len, M_SCSISA, M_NOWAIT | M_ZERO); if (mode_buffer == NULL) { free(ccomp, M_SCSISA); return (ENOMEM); } mode_hdr = (struct scsi_mode_header_6 *)mode_buffer; mode_blk = (struct scsi_mode_blk_desc *)&mode_hdr[1]; ccb = cam_periph_getccb(periph, 1); retry: if (params_to_set & SA_PARAM_COMPRESSION) { if (mode_blk) { cpage = (sa_comp_t *)&mode_blk[1]; } else { cpage = (sa_comp_t *)&mode_hdr[1]; } bcopy(ccomp, cpage, sizeof (sa_comp_t)); cpage->hdr.pagecode &= ~0x80; } else cpage = NULL; /* * If the caller wants us to set the blocksize, use the one they * pass in. Otherwise, use the blocksize we got back from the * mode select above. */ if (mode_blk) { if (params_to_set & SA_PARAM_BLOCKSIZE) scsi_ulto3b(blocksize, mode_blk->blklen); else scsi_ulto3b(current_blocksize, mode_blk->blklen); /* * Set density if requested, else preserve old density. * SCSI_SAME_DENSITY only applies to SCSI-2 or better * devices, else density we've latched up in our softc. */ if (params_to_set & SA_PARAM_DENSITY) { mode_blk->density = density; } else if (softc->scsi_rev > SCSI_REV_CCS) { mode_blk->density = SCSI_SAME_DENSITY; } else { mode_blk->density = softc->media_density; } } /* * For mode selects, these two fields must be zero. */ mode_hdr->data_length = 0; mode_hdr->medium_type = 0; /* set the speed to the current value */ mode_hdr->dev_spec = current_speed; /* if set, set single-initiator buffering mode */ if (softc->buffer_mode == SMH_SA_BUF_MODE_SIBUF) { mode_hdr->dev_spec |= SMH_SA_BUF_MODE_SIBUF; } if (mode_blk) mode_hdr->blk_desc_len = sizeof(struct scsi_mode_blk_desc); else mode_hdr->blk_desc_len = 0; /* * First, if the user wants us to set the compression algorithm or * just turn compression on, check to make sure that this drive * supports compression. */ if (params_to_set & SA_PARAM_COMPRESSION) { /* * If the compression algorithm is 0, disable compression. * If the compression algorithm is non-zero, enable * compression and set the compression type to the * specified compression algorithm, unless the algorithm is * MT_COMP_ENABLE. In that case, we look at the * compression algorithm that is currently set and if it is * non-zero, we leave it as-is. If it is zero, and we have * saved a compression algorithm from a time when * compression was enabled before, set the compression to * the saved value. */ switch (ccomp->hdr.pagecode & ~0x80) { case SA_DEVICE_CONFIGURATION_PAGE: { struct scsi_dev_conf_page *dcp = &cpage->dconf; if (calg == 0) { dcp->sel_comp_alg = SA_COMP_NONE; break; } if (calg != MT_COMP_ENABLE) { dcp->sel_comp_alg = calg; } else if (dcp->sel_comp_alg == SA_COMP_NONE && softc->saved_comp_algorithm != 0) { dcp->sel_comp_alg = softc->saved_comp_algorithm; } break; } case SA_DATA_COMPRESSION_PAGE: if (ccomp->dcomp.dce_and_dcc & SA_DCP_DCC) { struct scsi_data_compression_page *dcp = &cpage->dcomp; if (calg == 0) { /* * Disable compression, but leave the * decompression and the capability bit * alone. */ dcp->dce_and_dcc = SA_DCP_DCC; dcp->dde_and_red |= SA_DCP_DDE; break; } /* enable compression && decompression */ dcp->dce_and_dcc = SA_DCP_DCE | SA_DCP_DCC; dcp->dde_and_red |= SA_DCP_DDE; /* * If there, use compression algorithm from caller. * Otherwise, if there's a saved compression algorithm * and there is no current algorithm, use the saved * algorithm. Else parrot back what we got and hope * for the best. */ if (calg != MT_COMP_ENABLE) { scsi_ulto4b(calg, dcp->comp_algorithm); scsi_ulto4b(calg, dcp->decomp_algorithm); } else if (scsi_4btoul(dcp->comp_algorithm) == 0 && softc->saved_comp_algorithm != 0) { scsi_ulto4b(softc->saved_comp_algorithm, dcp->comp_algorithm); scsi_ulto4b(softc->saved_comp_algorithm, dcp->decomp_algorithm); } break; } /* * Compression does not appear to be supported- * at least via the DATA COMPRESSION page. It * would be too much to ask us to believe that * the page itself is supported, but incorrectly * reports an ability to manipulate data compression, * so we'll assume that this device doesn't support * compression. We can just fall through for that. */ /* FALLTHROUGH */ default: /* * The drive doesn't seem to support compression, * so turn off the set compression bit. */ params_to_set &= ~SA_PARAM_COMPRESSION; xpt_print(periph->path, "device does not seem to support compression\n"); /* * If that was the only thing the user wanted us to set, * clean up allocated resources and return with * 'operation not supported'. */ if (params_to_set == SA_PARAM_NONE) { free(mode_buffer, M_SCSISA); xpt_release_ccb(ccb); return (ENODEV); } /* * That wasn't the only thing the user wanted us to set. * So, decrease the stated mode buffer length by the * size of the compression mode page. */ mode_buffer_len -= sizeof(sa_comp_t); } } /* It is safe to retry this operation */ scsi_mode_select(&ccb->csio, 5, sadone, MSG_SIMPLE_Q_TAG, (params_to_set & SA_PARAM_COMPRESSION)? TRUE : FALSE, FALSE, mode_buffer, mode_buffer_len, SSD_FULL_SIZE, SCSIOP_TIMEOUT); error = cam_periph_runccb(ccb, saerror, 0, sense_flags, softc->device_stats); if (CAM_DEBUGGED(periph->path, CAM_DEBUG_INFO)) { int idx; char *xyz = mode_buffer; xpt_print_path(periph->path); printf("Err%d, Mode Select Data=", error); for (idx = 0; idx < mode_buffer_len; idx++) printf(" 0x%02x", xyz[idx] & 0xff); printf("\n"); } if (error) { /* * If we can, try without setting density/blocksize. */ if (mode_blk) { if ((params_to_set & (SA_PARAM_DENSITY|SA_PARAM_BLOCKSIZE)) == 0) { mode_blk = NULL; goto retry; } } else { mode_blk = (struct scsi_mode_blk_desc *)&mode_hdr[1]; cpage = (sa_comp_t *)&mode_blk[1]; } /* * If we were setting the blocksize, and that failed, we * want to set it to its original value. If we weren't * setting the blocksize, we don't want to change it. */ scsi_ulto3b(current_blocksize, mode_blk->blklen); /* * Set density if requested, else preserve old density. * SCSI_SAME_DENSITY only applies to SCSI-2 or better * devices, else density we've latched up in our softc. */ if (params_to_set & SA_PARAM_DENSITY) { mode_blk->density = current_density; } else if (softc->scsi_rev > SCSI_REV_CCS) { mode_blk->density = SCSI_SAME_DENSITY; } else { mode_blk->density = softc->media_density; } if (params_to_set & SA_PARAM_COMPRESSION) bcopy(ccomp, cpage, sizeof (sa_comp_t)); /* * The retry count is the only CCB field that might have been * changed that we care about, so reset it back to 1. */ ccb->ccb_h.retry_count = 1; cam_periph_runccb(ccb, saerror, 0, sense_flags, softc->device_stats); } xpt_release_ccb(ccb); if (ccomp != NULL) free(ccomp, M_SCSISA); if (params_to_set & SA_PARAM_COMPRESSION) { if (error) { softc->flags &= ~SA_FLAG_COMP_ENABLED; /* * Even if we get an error setting compression, * do not say that we don't support it. We could * have been wrong, or it may be media specific. * softc->flags &= ~SA_FLAG_COMP_SUPP; */ softc->saved_comp_algorithm = softc->comp_algorithm; softc->comp_algorithm = 0; } else { softc->flags |= SA_FLAG_COMP_ENABLED; softc->comp_algorithm = calg; } } free(mode_buffer, M_SCSISA); return (error); } static void saprevent(struct cam_periph *periph, int action) { struct sa_softc *softc; union ccb *ccb; int error, sf; softc = (struct sa_softc *)periph->softc; if ((action == PR_ALLOW) && (softc->flags & SA_FLAG_TAPE_LOCKED) == 0) return; if ((action == PR_PREVENT) && (softc->flags & SA_FLAG_TAPE_LOCKED) != 0) return; /* * We can be quiet about illegal requests. */ if (CAM_DEBUGGED(periph->path, CAM_DEBUG_INFO)) { sf = 0; } else sf = SF_QUIET_IR; ccb = cam_periph_getccb(periph, 1); /* It is safe to retry this operation */ scsi_prevent(&ccb->csio, 5, sadone, MSG_SIMPLE_Q_TAG, action, SSD_FULL_SIZE, SCSIOP_TIMEOUT); error = cam_periph_runccb(ccb, saerror, 0, sf, softc->device_stats); if (error == 0) { if (action == PR_ALLOW) softc->flags &= ~SA_FLAG_TAPE_LOCKED; else softc->flags |= SA_FLAG_TAPE_LOCKED; } xpt_release_ccb(ccb); } static int sarewind(struct cam_periph *periph) { union ccb *ccb; struct sa_softc *softc; int error; softc = (struct sa_softc *)periph->softc; ccb = cam_periph_getccb(periph, 1); /* It is safe to retry this operation */ scsi_rewind(&ccb->csio, 2, sadone, MSG_SIMPLE_Q_TAG, FALSE, SSD_FULL_SIZE, REWIND_TIMEOUT); softc->dsreg = MTIO_DSREG_REW; error = cam_periph_runccb(ccb, saerror, 0, 0, softc->device_stats); softc->dsreg = MTIO_DSREG_REST; xpt_release_ccb(ccb); if (error == 0) softc->fileno = softc->blkno = (daddr_t) 0; else softc->fileno = softc->blkno = (daddr_t) -1; return (error); } static int saspace(struct cam_periph *periph, int count, scsi_space_code code) { union ccb *ccb; struct sa_softc *softc; int error; softc = (struct sa_softc *)periph->softc; ccb = cam_periph_getccb(periph, 1); /* This cannot be retried */ scsi_space(&ccb->csio, 0, sadone, MSG_SIMPLE_Q_TAG, code, count, SSD_FULL_SIZE, SPACE_TIMEOUT); /* * Clear residual because we will be using it. */ softc->last_ctl_resid = 0; softc->dsreg = (count < 0)? MTIO_DSREG_REV : MTIO_DSREG_FWD; error = cam_periph_runccb(ccb, saerror, 0, 0, softc->device_stats); softc->dsreg = MTIO_DSREG_REST; xpt_release_ccb(ccb); /* * If a spacing operation has failed, we need to invalidate * this mount. * * If the spacing operation was setmarks or to end of recorded data, * we no longer know our relative position. * * If the spacing operations was spacing files in reverse, we * take account of the residual, but still check against less * than zero- if we've gone negative, we must have hit BOT. * * If the spacing operations was spacing records in reverse and * we have a residual, we've either hit BOT or hit a filemark. * In the former case, we know our new record number (0). In * the latter case, we have absolutely no idea what the real * record number is- we've stopped between the end of the last * record in the previous file and the filemark that stopped * our spacing backwards. */ if (error) { softc->fileno = softc->blkno = (daddr_t) -1; } else if (code == SS_SETMARKS || code == SS_EOD) { softc->fileno = softc->blkno = (daddr_t) -1; } else if (code == SS_FILEMARKS && softc->fileno != (daddr_t) -1) { softc->fileno += (count - softc->last_ctl_resid); if (softc->fileno < 0) /* we must of hit BOT */ softc->fileno = 0; softc->blkno = 0; } else if (code == SS_BLOCKS && softc->blkno != (daddr_t) -1) { softc->blkno += (count - softc->last_ctl_resid); if (count < 0) { if (softc->last_ctl_resid || softc->blkno < 0) { if (softc->fileno == 0) { softc->blkno = 0; } else { softc->blkno = (daddr_t) -1; } } } } return (error); } static int sawritefilemarks(struct cam_periph *periph, int nmarks, int setmarks) { union ccb *ccb; struct sa_softc *softc; int error, nwm = 0; softc = (struct sa_softc *)periph->softc; if (softc->open_rdonly) return (EBADF); ccb = cam_periph_getccb(periph, 1); /* * Clear residual because we will be using it. */ softc->last_ctl_resid = 0; softc->dsreg = MTIO_DSREG_FMK; /* this *must* not be retried */ scsi_write_filemarks(&ccb->csio, 0, sadone, MSG_SIMPLE_Q_TAG, FALSE, setmarks, nmarks, SSD_FULL_SIZE, IO_TIMEOUT); softc->dsreg = MTIO_DSREG_REST; error = cam_periph_runccb(ccb, saerror, 0, 0, softc->device_stats); if (error == 0 && nmarks) { struct sa_softc *softc = (struct sa_softc *)periph->softc; nwm = nmarks - softc->last_ctl_resid; softc->filemarks += nwm; } xpt_release_ccb(ccb); /* * Update relative positions (if we're doing that). */ if (error) { softc->fileno = softc->blkno = (daddr_t) -1; } else if (softc->fileno != (daddr_t) -1) { softc->fileno += nwm; softc->blkno = 0; } return (error); } static int sardpos(struct cam_periph *periph, int hard, u_int32_t *blkptr) { struct scsi_tape_position_data loc; union ccb *ccb; struct sa_softc *softc = (struct sa_softc *)periph->softc; int error; /* * We try and flush any buffered writes here if we were writing * and we're trying to get hardware block position. It eats * up performance substantially, but I'm wary of drive firmware. * * I think that *logical* block position is probably okay- * but hardware block position might have to wait for data * to hit media to be valid. Caveat Emptor. */ if (hard && (softc->flags & SA_FLAG_TAPE_WRITTEN)) { error = sawritefilemarks(periph, 0, 0); if (error && error != EACCES) return (error); } ccb = cam_periph_getccb(periph, 1); scsi_read_position(&ccb->csio, 1, sadone, MSG_SIMPLE_Q_TAG, hard, &loc, SSD_FULL_SIZE, SCSIOP_TIMEOUT); softc->dsreg = MTIO_DSREG_RBSY; error = cam_periph_runccb(ccb, saerror, 0, 0, softc->device_stats); softc->dsreg = MTIO_DSREG_REST; if (error == 0) { if (loc.flags & SA_RPOS_UNCERTAIN) { error = EINVAL; /* nothing is certain */ } else { *blkptr = scsi_4btoul(loc.firstblk); } } xpt_release_ccb(ccb); return (error); } static int sasetpos(struct cam_periph *periph, int hard, u_int32_t *blkptr) { union ccb *ccb; struct sa_softc *softc; int error; /* * We used to try and flush any buffered writes here. * Now we push this onto user applications to either * flush the pending writes themselves (via a zero count * WRITE FILEMARKS command) or they can trust their tape * drive to do this correctly for them. */ softc = (struct sa_softc *)periph->softc; ccb = cam_periph_getccb(periph, 1); scsi_set_position(&ccb->csio, 1, sadone, MSG_SIMPLE_Q_TAG, hard, *blkptr, SSD_FULL_SIZE, SPACE_TIMEOUT); softc->dsreg = MTIO_DSREG_POS; error = cam_periph_runccb(ccb, saerror, 0, 0, softc->device_stats); softc->dsreg = MTIO_DSREG_REST; xpt_release_ccb(ccb); /* * Note relative file && block number position as now unknown. */ softc->fileno = softc->blkno = (daddr_t) -1; return (error); } static int saretension(struct cam_periph *periph) { union ccb *ccb; struct sa_softc *softc; int error; softc = (struct sa_softc *)periph->softc; ccb = cam_periph_getccb(periph, 1); /* It is safe to retry this operation */ scsi_load_unload(&ccb->csio, 5, sadone, MSG_SIMPLE_Q_TAG, FALSE, FALSE, TRUE, TRUE, SSD_FULL_SIZE, ERASE_TIMEOUT); softc->dsreg = MTIO_DSREG_TEN; error = cam_periph_runccb(ccb, saerror, 0, 0, softc->device_stats); softc->dsreg = MTIO_DSREG_REST; xpt_release_ccb(ccb); if (error == 0) softc->fileno = softc->blkno = (daddr_t) 0; else softc->fileno = softc->blkno = (daddr_t) -1; return (error); } static int sareservereleaseunit(struct cam_periph *periph, int reserve) { union ccb *ccb; struct sa_softc *softc; int error; softc = (struct sa_softc *)periph->softc; ccb = cam_periph_getccb(periph, 1); /* It is safe to retry this operation */ scsi_reserve_release_unit(&ccb->csio, 2, sadone, MSG_SIMPLE_Q_TAG, FALSE, 0, SSD_FULL_SIZE, SCSIOP_TIMEOUT, reserve); softc->dsreg = MTIO_DSREG_RBSY; error = cam_periph_runccb(ccb, saerror, 0, SF_RETRY_UA | SF_NO_PRINT, softc->device_stats); softc->dsreg = MTIO_DSREG_REST; xpt_release_ccb(ccb); /* * If the error was Illegal Request, then the device doesn't support * RESERVE/RELEASE. This is not an error. */ if (error == EINVAL) { error = 0; } return (error); } static int saloadunload(struct cam_periph *periph, int load) { union ccb *ccb; struct sa_softc *softc; int error; softc = (struct sa_softc *)periph->softc; ccb = cam_periph_getccb(periph, 1); /* It is safe to retry this operation */ scsi_load_unload(&ccb->csio, 5, sadone, MSG_SIMPLE_Q_TAG, FALSE, FALSE, FALSE, load, SSD_FULL_SIZE, REWIND_TIMEOUT); softc->dsreg = (load)? MTIO_DSREG_LD : MTIO_DSREG_UNL; error = cam_periph_runccb(ccb, saerror, 0, 0, softc->device_stats); softc->dsreg = MTIO_DSREG_REST; xpt_release_ccb(ccb); if (error || load == 0) softc->fileno = softc->blkno = (daddr_t) -1; else if (error == 0) softc->fileno = softc->blkno = (daddr_t) 0; return (error); } static int saerase(struct cam_periph *periph, int longerase) { union ccb *ccb; struct sa_softc *softc; int error; softc = (struct sa_softc *)periph->softc; if (softc->open_rdonly) return (EBADF); ccb = cam_periph_getccb(periph, 1); scsi_erase(&ccb->csio, 1, sadone, MSG_SIMPLE_Q_TAG, FALSE, longerase, SSD_FULL_SIZE, ERASE_TIMEOUT); softc->dsreg = MTIO_DSREG_ZER; error = cam_periph_runccb(ccb, saerror, 0, 0, softc->device_stats); softc->dsreg = MTIO_DSREG_REST; xpt_release_ccb(ccb); return (error); } #endif /* _KERNEL */ /* * Read tape block limits command. */ void scsi_read_block_limits(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, struct scsi_read_block_limits_data *rlimit_buf, u_int8_t sense_len, u_int32_t timeout) { struct scsi_read_block_limits *scsi_cmd; cam_fill_csio(csio, retries, cbfcnp, CAM_DIR_IN, tag_action, (u_int8_t *)rlimit_buf, sizeof(*rlimit_buf), sense_len, sizeof(*scsi_cmd), timeout); scsi_cmd = (struct scsi_read_block_limits *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = READ_BLOCK_LIMITS; } void scsi_sa_read_write(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, int readop, int sli, int fixed, u_int32_t length, u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, u_int32_t timeout) { struct scsi_sa_rw *scsi_cmd; int read; read = (readop & SCSI_RW_DIRMASK) == SCSI_RW_READ; scsi_cmd = (struct scsi_sa_rw *)&csio->cdb_io.cdb_bytes; scsi_cmd->opcode = read ? SA_READ : SA_WRITE; scsi_cmd->sli_fixed = 0; if (sli && read) scsi_cmd->sli_fixed |= SAR_SLI; if (fixed) scsi_cmd->sli_fixed |= SARW_FIXED; scsi_ulto3b(length, scsi_cmd->length); scsi_cmd->control = 0; cam_fill_csio(csio, retries, cbfcnp, (read ? CAM_DIR_IN : CAM_DIR_OUT) | ((readop & SCSI_RW_BIO) != 0 ? CAM_DATA_BIO : 0), tag_action, data_ptr, dxfer_len, sense_len, sizeof(*scsi_cmd), timeout); } void scsi_load_unload(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, int immediate, int eot, int reten, int load, u_int8_t sense_len, u_int32_t timeout) { struct scsi_load_unload *scsi_cmd; scsi_cmd = (struct scsi_load_unload *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = LOAD_UNLOAD; if (immediate) scsi_cmd->immediate = SLU_IMMED; if (eot) scsi_cmd->eot_reten_load |= SLU_EOT; if (reten) scsi_cmd->eot_reten_load |= SLU_RETEN; if (load) scsi_cmd->eot_reten_load |= SLU_LOAD; cam_fill_csio(csio, retries, cbfcnp, CAM_DIR_NONE, tag_action, NULL, 0, sense_len, sizeof(*scsi_cmd), timeout); } void scsi_rewind(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, int immediate, u_int8_t sense_len, u_int32_t timeout) { struct scsi_rewind *scsi_cmd; scsi_cmd = (struct scsi_rewind *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = REWIND; if (immediate) scsi_cmd->immediate = SREW_IMMED; cam_fill_csio(csio, retries, cbfcnp, CAM_DIR_NONE, tag_action, NULL, 0, sense_len, sizeof(*scsi_cmd), timeout); } void scsi_space(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, scsi_space_code code, u_int32_t count, u_int8_t sense_len, u_int32_t timeout) { struct scsi_space *scsi_cmd; scsi_cmd = (struct scsi_space *)&csio->cdb_io.cdb_bytes; scsi_cmd->opcode = SPACE; scsi_cmd->code = code; scsi_ulto3b(count, scsi_cmd->count); scsi_cmd->control = 0; cam_fill_csio(csio, retries, cbfcnp, CAM_DIR_NONE, tag_action, NULL, 0, sense_len, sizeof(*scsi_cmd), timeout); } void scsi_write_filemarks(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, int immediate, int setmark, u_int32_t num_marks, u_int8_t sense_len, u_int32_t timeout) { struct scsi_write_filemarks *scsi_cmd; scsi_cmd = (struct scsi_write_filemarks *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = WRITE_FILEMARKS; if (immediate) scsi_cmd->byte2 |= SWFMRK_IMMED; if (setmark) scsi_cmd->byte2 |= SWFMRK_WSMK; scsi_ulto3b(num_marks, scsi_cmd->num_marks); cam_fill_csio(csio, retries, cbfcnp, CAM_DIR_NONE, tag_action, NULL, 0, sense_len, sizeof(*scsi_cmd), timeout); } /* * The reserve and release unit commands differ only by their opcodes. */ void scsi_reserve_release_unit(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, int third_party, int third_party_id, u_int8_t sense_len, u_int32_t timeout, int reserve) { struct scsi_reserve_release_unit *scsi_cmd; scsi_cmd = (struct scsi_reserve_release_unit *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); if (reserve) scsi_cmd->opcode = RESERVE_UNIT; else scsi_cmd->opcode = RELEASE_UNIT; if (third_party) { scsi_cmd->lun_thirdparty |= SRRU_3RD_PARTY; scsi_cmd->lun_thirdparty |= ((third_party_id << SRRU_3RD_SHAMT) & SRRU_3RD_MASK); } cam_fill_csio(csio, retries, cbfcnp, CAM_DIR_NONE, tag_action, NULL, 0, sense_len, sizeof(*scsi_cmd), timeout); } void scsi_erase(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, int immediate, int long_erase, u_int8_t sense_len, u_int32_t timeout) { struct scsi_erase *scsi_cmd; scsi_cmd = (struct scsi_erase *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = ERASE; if (immediate) scsi_cmd->lun_imm_long |= SE_IMMED; if (long_erase) scsi_cmd->lun_imm_long |= SE_LONG; cam_fill_csio(csio, retries, cbfcnp, CAM_DIR_NONE, tag_action, NULL, 0, sense_len, sizeof(*scsi_cmd), timeout); } /* * Read Tape Position command. */ void scsi_read_position(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, int hardsoft, struct scsi_tape_position_data *sbp, u_int8_t sense_len, u_int32_t timeout) { struct scsi_tape_read_position *scmd; cam_fill_csio(csio, retries, cbfcnp, CAM_DIR_IN, tag_action, (u_int8_t *)sbp, sizeof (*sbp), sense_len, sizeof(*scmd), timeout); scmd = (struct scsi_tape_read_position *)&csio->cdb_io.cdb_bytes; bzero(scmd, sizeof(*scmd)); scmd->opcode = READ_POSITION; scmd->byte1 = hardsoft; } /* * Set Tape Position command. */ void scsi_set_position(struct ccb_scsiio *csio, u_int32_t retries, void (*cbfcnp)(struct cam_periph *, union ccb *), u_int8_t tag_action, int hardsoft, u_int32_t blkno, u_int8_t sense_len, u_int32_t timeout) { struct scsi_tape_locate *scmd; cam_fill_csio(csio, retries, cbfcnp, CAM_DIR_NONE, tag_action, (u_int8_t *)NULL, 0, sense_len, sizeof(*scmd), timeout); scmd = (struct scsi_tape_locate *)&csio->cdb_io.cdb_bytes; bzero(scmd, sizeof(*scmd)); scmd->opcode = LOCATE; if (hardsoft) scmd->byte1 |= SA_SPOS_BT; scsi_ulto4b(blkno, scmd->blkaddr); } Index: stable/9/sys/cam/scsi/scsi_sg.c =================================================================== --- stable/9/sys/cam/scsi/scsi_sg.c (revision 257049) +++ stable/9/sys/cam/scsi/scsi_sg.c (revision 257050) @@ -1,1072 +1,1067 @@ /*- * Copyright (c) 2007 Scott Long * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * scsi_sg peripheral driver. This driver is meant to implement the Linux * SG passthrough interface for SCSI. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include typedef enum { SG_FLAG_LOCKED = 0x01, SG_FLAG_INVALID = 0x02 } sg_flags; typedef enum { SG_STATE_NORMAL } sg_state; typedef enum { SG_RDWR_FREE, SG_RDWR_INPROG, SG_RDWR_DONE } sg_rdwr_state; typedef enum { SG_CCB_RDWR_IO, SG_CCB_WAITING } sg_ccb_types; #define ccb_type ppriv_field0 #define ccb_rdwr ppriv_ptr1 struct sg_rdwr { TAILQ_ENTRY(sg_rdwr) rdwr_link; int tag; int state; int buf_len; char *buf; union ccb *ccb; union { struct sg_header hdr; struct sg_io_hdr io_hdr; } hdr; }; struct sg_softc { sg_state state; sg_flags flags; int open_count; struct devstat *device_stats; TAILQ_HEAD(, sg_rdwr) rdwr_done; struct cdev *dev; int sg_timeout; int sg_user_timeout; uint8_t pd_type; union ccb saved_ccb; }; static d_open_t sgopen; static d_close_t sgclose; static d_ioctl_t sgioctl; static d_write_t sgwrite; static d_read_t sgread; static periph_init_t sginit; static periph_ctor_t sgregister; static periph_oninv_t sgoninvalidate; static periph_dtor_t sgcleanup; static periph_start_t sgstart; static void sgasync(void *callback_arg, uint32_t code, struct cam_path *path, void *arg); static void sgdone(struct cam_periph *periph, union ccb *done_ccb); static int sgsendccb(struct cam_periph *periph, union ccb *ccb); static int sgsendrdwr(struct cam_periph *periph, union ccb *ccb); static int sgerror(union ccb *ccb, uint32_t cam_flags, uint32_t sense_flags); static void sg_scsiio_status(struct ccb_scsiio *csio, u_short *hoststat, u_short *drvstat); static int scsi_group_len(u_char cmd); static struct periph_driver sgdriver = { sginit, "sg", TAILQ_HEAD_INITIALIZER(sgdriver.units), /* gen */ 0 }; PERIPHDRIVER_DECLARE(sg, sgdriver); static struct cdevsw sg_cdevsw = { .d_version = D_VERSION, .d_flags = D_NEEDGIANT | D_TRACKCLOSE, .d_open = sgopen, .d_close = sgclose, .d_ioctl = sgioctl, .d_write = sgwrite, .d_read = sgread, .d_name = "sg", }; static int sg_version = 30125; static void sginit(void) { cam_status status; /* * Install a global async callback. This callback will receive aync * callbacks like "new device found". */ status = xpt_register_async(AC_FOUND_DEVICE, sgasync, NULL, NULL); if (status != CAM_REQ_CMP) { printf("sg: Failed to attach master async callbac " "due to status 0x%x!\n", status); } } static void sgdevgonecb(void *arg) { struct cam_sim *sim; struct cam_periph *periph; struct sg_softc *softc; int i; periph = (struct cam_periph *)arg; sim = periph->sim; softc = (struct sg_softc *)periph->softc; KASSERT(softc->open_count >= 0, ("Negative open count %d", softc->open_count)); mtx_lock(sim->mtx); /* * When we get this callback, we will get no more close calls from * devfs. So if we have any dangling opens, we need to release the * reference held for that particular context. */ for (i = 0; i < softc->open_count; i++) cam_periph_release_locked(periph); softc->open_count = 0; /* * Release the reference held for the device node, it is gone now. */ cam_periph_release_locked(periph); /* * We reference the SIM lock directly here, instead of using * cam_periph_unlock(). The reason is that the final call to * cam_periph_release_locked() above could result in the periph * getting freed. If that is the case, dereferencing the periph * with a cam_periph_unlock() call would cause a page fault. */ mtx_unlock(sim->mtx); } static void sgoninvalidate(struct cam_periph *periph) { struct sg_softc *softc; softc = (struct sg_softc *)periph->softc; /* * Deregister any async callbacks. */ xpt_register_async(0, sgasync, periph, periph->path); softc->flags |= SG_FLAG_INVALID; /* * Tell devfs this device has gone away, and ask for a callback * when it has cleaned up its state. */ destroy_dev_sched_cb(softc->dev, sgdevgonecb, periph); /* * XXX Return all queued I/O with ENXIO. * XXX Handle any transactions queued to the card * with XPT_ABORT_CCB. */ - if (bootverbose) { - xpt_print(periph->path, "lost device\n"); - } } static void sgcleanup(struct cam_periph *periph) { struct sg_softc *softc; softc = (struct sg_softc *)periph->softc; - if (bootverbose) - xpt_print(periph->path, "removing device entry\n"); devstat_remove_entry(softc->device_stats); free(softc, M_DEVBUF); } static void sgasync(void *callback_arg, uint32_t code, struct cam_path *path, void *arg) { struct cam_periph *periph; periph = (struct cam_periph *)callback_arg; switch (code) { case AC_FOUND_DEVICE: { struct ccb_getdev *cgd; cam_status status; cgd = (struct ccb_getdev *)arg; if (cgd == NULL) break; if (cgd->protocol != PROTO_SCSI) break; /* * Allocate a peripheral instance for this device and * start the probe process. */ status = cam_periph_alloc(sgregister, sgoninvalidate, sgcleanup, sgstart, "sg", CAM_PERIPH_BIO, cgd->ccb_h.path, sgasync, AC_FOUND_DEVICE, cgd); if ((status != CAM_REQ_CMP) && (status != CAM_REQ_INPROG)) { const struct cam_status_entry *entry; entry = cam_fetch_status_entry(status); printf("sgasync: Unable to attach new device " "due to status %#x: %s\n", status, entry ? entry->status_text : "Unknown"); } break; } default: cam_periph_async(periph, code, path, arg); break; } } static cam_status sgregister(struct cam_periph *periph, void *arg) { struct sg_softc *softc; struct ccb_getdev *cgd; struct ccb_pathinq cpi; int no_tags; cgd = (struct ccb_getdev *)arg; if (cgd == NULL) { printf("sgregister: no getdev CCB, can't register device\n"); return (CAM_REQ_CMP_ERR); } softc = malloc(sizeof(*softc), M_DEVBUF, M_ZERO | M_NOWAIT); if (softc == NULL) { printf("sgregister: Unable to allocate softc\n"); return (CAM_REQ_CMP_ERR); } softc->state = SG_STATE_NORMAL; softc->pd_type = SID_TYPE(&cgd->inq_data); softc->sg_timeout = SG_DEFAULT_TIMEOUT / SG_DEFAULT_HZ * hz; softc->sg_user_timeout = SG_DEFAULT_TIMEOUT; TAILQ_INIT(&softc->rdwr_done); periph->softc = softc; bzero(&cpi, sizeof(cpi)); xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); cpi.ccb_h.func_code = XPT_PATH_INQ; xpt_action((union ccb *)&cpi); /* * We pass in 0 for all blocksize, since we don't know what the * blocksize of the device is, if it even has a blocksize. */ cam_periph_unlock(periph); no_tags = (cgd->inq_data.flags & SID_CmdQue) == 0; softc->device_stats = devstat_new_entry("sg", periph->unit_number, 0, DEVSTAT_NO_BLOCKSIZE | (no_tags ? DEVSTAT_NO_ORDERED_TAGS : 0), softc->pd_type | XPORT_DEVSTAT_TYPE(cpi.transport) | DEVSTAT_TYPE_PASS, DEVSTAT_PRIORITY_PASS); /* * Acquire a reference to the periph before we create the devfs * instance for it. We'll release this reference once the devfs * instance has been freed. */ if (cam_periph_acquire(periph) != CAM_REQ_CMP) { xpt_print(periph->path, "%s: lost periph during " "registration!\n", __func__); cam_periph_lock(periph); return (CAM_REQ_CMP_ERR); } /* Register the device */ softc->dev = make_dev(&sg_cdevsw, periph->unit_number, UID_ROOT, GID_OPERATOR, 0600, "%s%d", periph->periph_name, periph->unit_number); if (periph->unit_number < 26) { (void)make_dev_alias(softc->dev, "sg%c", periph->unit_number + 'a'); } else { (void)make_dev_alias(softc->dev, "sg%c%c", ((periph->unit_number / 26) - 1) + 'a', (periph->unit_number % 26) + 'a'); } cam_periph_lock(periph); softc->dev->si_drv1 = periph; /* * Add as async callback so that we get * notified if this device goes away. */ xpt_register_async(AC_LOST_DEVICE, sgasync, periph, periph->path); if (bootverbose) xpt_announce_periph(periph, NULL); return (CAM_REQ_CMP); } static void sgstart(struct cam_periph *periph, union ccb *start_ccb) { struct sg_softc *softc; softc = (struct sg_softc *)periph->softc; switch (softc->state) { case SG_STATE_NORMAL: start_ccb->ccb_h.ccb_type = SG_CCB_WAITING; SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, periph_links.sle); periph->immediate_priority = CAM_PRIORITY_NONE; wakeup(&periph->ccb_list); break; } } static void sgdone(struct cam_periph *periph, union ccb *done_ccb) { struct sg_softc *softc; struct ccb_scsiio *csio; softc = (struct sg_softc *)periph->softc; csio = &done_ccb->csio; switch (csio->ccb_h.ccb_type) { case SG_CCB_WAITING: /* Caller will release the CCB */ wakeup(&done_ccb->ccb_h.cbfcnp); return; case SG_CCB_RDWR_IO: { struct sg_rdwr *rdwr; int state; devstat_end_transaction(softc->device_stats, csio->dxfer_len, csio->tag_action & 0xf, ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_NONE) ? DEVSTAT_NO_DATA : (csio->ccb_h.flags & CAM_DIR_OUT) ? DEVSTAT_WRITE : DEVSTAT_READ, NULL, NULL); rdwr = done_ccb->ccb_h.ccb_rdwr; state = rdwr->state; rdwr->state = SG_RDWR_DONE; wakeup(rdwr); break; } default: panic("unknown sg CCB type"); } } static int sgopen(struct cdev *dev, int flags, int fmt, struct thread *td) { struct cam_periph *periph; struct sg_softc *softc; int error = 0; periph = (struct cam_periph *)dev->si_drv1; if (periph == NULL) return (ENXIO); if (cam_periph_acquire(periph) != CAM_REQ_CMP) return (ENXIO); /* * Don't allow access when we're running at a high securelevel. */ error = securelevel_gt(td->td_ucred, 1); if (error) { cam_periph_release(periph); return (error); } cam_periph_lock(periph); softc = (struct sg_softc *)periph->softc; if (softc->flags & SG_FLAG_INVALID) { cam_periph_release_locked(periph); cam_periph_unlock(periph); return (ENXIO); } softc->open_count++; cam_periph_unlock(periph); return (error); } static int sgclose(struct cdev *dev, int flag, int fmt, struct thread *td) { struct cam_sim *sim; struct cam_periph *periph; struct sg_softc *softc; periph = (struct cam_periph *)dev->si_drv1; if (periph == NULL) return (ENXIO); sim = periph->sim; softc = periph->softc; mtx_lock(sim->mtx); softc->open_count--; cam_periph_release_locked(periph); /* * We reference the SIM lock directly here, instead of using * cam_periph_unlock(). The reason is that the call to * cam_periph_release_locked() above could result in the periph * getting freed. If that is the case, dereferencing the periph * with a cam_periph_unlock() call would cause a page fault. * * cam_periph_release() avoids this problem using the same method, * but we're manually acquiring and dropping the lock here to * protect the open count and avoid another lock acquisition and * release. */ mtx_unlock(sim->mtx); return (0); } static int sgioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, struct thread *td) { union ccb *ccb; struct ccb_scsiio *csio; struct cam_periph *periph; struct sg_softc *softc; struct sg_io_hdr req; int dir, error; periph = (struct cam_periph *)dev->si_drv1; if (periph == NULL) return (ENXIO); cam_periph_lock(periph); softc = (struct sg_softc *)periph->softc; error = 0; switch (cmd) { case LINUX_SCSI_GET_BUS_NUMBER: { int busno; busno = xpt_path_path_id(periph->path); error = copyout(&busno, arg, sizeof(busno)); break; } case LINUX_SCSI_GET_IDLUN: { struct scsi_idlun idlun; struct cam_sim *sim; idlun.dev_id = xpt_path_target_id(periph->path); sim = xpt_path_sim(periph->path); idlun.host_unique_id = sim->unit_number; error = copyout(&idlun, arg, sizeof(idlun)); break; } case SG_GET_VERSION_NUM: case LINUX_SG_GET_VERSION_NUM: error = copyout(&sg_version, arg, sizeof(sg_version)); break; case SG_SET_TIMEOUT: case LINUX_SG_SET_TIMEOUT: { u_int user_timeout; error = copyin(arg, &user_timeout, sizeof(u_int)); if (error == 0) { softc->sg_user_timeout = user_timeout; softc->sg_timeout = user_timeout / SG_DEFAULT_HZ * hz; } break; } case SG_GET_TIMEOUT: case LINUX_SG_GET_TIMEOUT: /* * The value is returned directly to the syscall. */ td->td_retval[0] = softc->sg_user_timeout; error = 0; break; case SG_IO: case LINUX_SG_IO: error = copyin(arg, &req, sizeof(req)); if (error) break; if (req.cmd_len > IOCDBLEN) { error = EINVAL; break; } if (req.iovec_count != 0) { error = EOPNOTSUPP; break; } ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); csio = &ccb->csio; error = copyin(req.cmdp, &csio->cdb_io.cdb_bytes, req.cmd_len); if (error) { xpt_release_ccb(ccb); break; } switch(req.dxfer_direction) { case SG_DXFER_TO_DEV: dir = CAM_DIR_OUT; break; case SG_DXFER_FROM_DEV: dir = CAM_DIR_IN; break; case SG_DXFER_TO_FROM_DEV: dir = CAM_DIR_IN | CAM_DIR_OUT; break; case SG_DXFER_NONE: default: dir = CAM_DIR_NONE; break; } cam_fill_csio(csio, /*retries*/1, sgdone, dir|CAM_DEV_QFRZDIS, MSG_SIMPLE_Q_TAG, req.dxferp, req.dxfer_len, req.mx_sb_len, req.cmd_len, req.timeout); error = sgsendccb(periph, ccb); if (error) { req.host_status = DID_ERROR; req.driver_status = DRIVER_INVALID; xpt_release_ccb(ccb); break; } req.status = csio->scsi_status; req.masked_status = (csio->scsi_status >> 1) & 0x7f; sg_scsiio_status(csio, &req.host_status, &req.driver_status); req.resid = csio->resid; req.duration = csio->ccb_h.timeout; req.info = 0; error = copyout(&req, arg, sizeof(req)); if ((error == 0) && (csio->ccb_h.status & CAM_AUTOSNS_VALID) && (req.sbp != NULL)) { req.sb_len_wr = req.mx_sb_len - csio->sense_resid; error = copyout(&csio->sense_data, req.sbp, req.sb_len_wr); } xpt_release_ccb(ccb); break; case SG_GET_RESERVED_SIZE: case LINUX_SG_GET_RESERVED_SIZE: { int size = 32768; error = copyout(&size, arg, sizeof(size)); break; } case SG_GET_SCSI_ID: case LINUX_SG_GET_SCSI_ID: { struct sg_scsi_id id; id.host_no = cam_sim_path(xpt_path_sim(periph->path)); id.channel = xpt_path_path_id(periph->path); id.scsi_id = xpt_path_target_id(periph->path); id.lun = xpt_path_lun_id(periph->path); id.scsi_type = softc->pd_type; id.h_cmd_per_lun = 1; id.d_queue_depth = 1; id.unused[0] = 0; id.unused[1] = 0; error = copyout(&id, arg, sizeof(id)); break; } case SG_EMULATED_HOST: case SG_SET_TRANSFORM: case SG_GET_TRANSFORM: case SG_GET_NUM_WAITING: case SG_SCSI_RESET: case SG_GET_REQUEST_TABLE: case SG_SET_KEEP_ORPHAN: case SG_GET_KEEP_ORPHAN: case SG_GET_ACCESS_COUNT: case SG_SET_FORCE_LOW_DMA: case SG_GET_LOW_DMA: case SG_GET_SG_TABLESIZE: case SG_SET_FORCE_PACK_ID: case SG_GET_PACK_ID: case SG_SET_RESERVED_SIZE: case SG_GET_COMMAND_Q: case SG_SET_COMMAND_Q: case SG_SET_DEBUG: case SG_NEXT_CMD_LEN: case LINUX_SG_EMULATED_HOST: case LINUX_SG_SET_TRANSFORM: case LINUX_SG_GET_TRANSFORM: case LINUX_SG_GET_NUM_WAITING: case LINUX_SG_SCSI_RESET: case LINUX_SG_GET_REQUEST_TABLE: case LINUX_SG_SET_KEEP_ORPHAN: case LINUX_SG_GET_KEEP_ORPHAN: case LINUX_SG_GET_ACCESS_COUNT: case LINUX_SG_SET_FORCE_LOW_DMA: case LINUX_SG_GET_LOW_DMA: case LINUX_SG_GET_SG_TABLESIZE: case LINUX_SG_SET_FORCE_PACK_ID: case LINUX_SG_GET_PACK_ID: case LINUX_SG_SET_RESERVED_SIZE: case LINUX_SG_GET_COMMAND_Q: case LINUX_SG_SET_COMMAND_Q: case LINUX_SG_SET_DEBUG: case LINUX_SG_NEXT_CMD_LEN: default: #ifdef CAMDEBUG printf("sgioctl: rejecting cmd 0x%lx\n", cmd); #endif error = ENODEV; break; } cam_periph_unlock(periph); return (error); } static int sgwrite(struct cdev *dev, struct uio *uio, int ioflag) { union ccb *ccb; struct cam_periph *periph; struct ccb_scsiio *csio; struct sg_softc *sc; struct sg_header *hdr; struct sg_rdwr *rdwr; u_char cdb_cmd; char *buf; int error = 0, cdb_len, buf_len, dir; periph = dev->si_drv1; rdwr = malloc(sizeof(*rdwr), M_DEVBUF, M_WAITOK | M_ZERO); hdr = &rdwr->hdr.hdr; /* Copy in the header block and sanity check it */ if (uio->uio_resid < sizeof(*hdr)) { error = EINVAL; goto out_hdr; } error = uiomove(hdr, sizeof(*hdr), uio); if (error) goto out_hdr; ccb = xpt_alloc_ccb(); if (ccb == NULL) { error = ENOMEM; goto out_hdr; } csio = &ccb->csio; /* * Copy in the CDB block. The designers of the interface didn't * bother to provide a size for this in the header, so we have to * figure it out ourselves. */ if (uio->uio_resid < 1) goto out_ccb; error = uiomove(&cdb_cmd, 1, uio); if (error) goto out_ccb; if (hdr->twelve_byte) cdb_len = 12; else cdb_len = scsi_group_len(cdb_cmd); /* * We've already read the first byte of the CDB and advanced the uio * pointer. Just read the rest. */ csio->cdb_io.cdb_bytes[0] = cdb_cmd; error = uiomove(&csio->cdb_io.cdb_bytes[1], cdb_len - 1, uio); if (error) goto out_ccb; /* * Now set up the data block. Again, the designers didn't bother * to make this reliable. */ buf_len = uio->uio_resid; if (buf_len != 0) { buf = malloc(buf_len, M_DEVBUF, M_WAITOK | M_ZERO); error = uiomove(buf, buf_len, uio); if (error) goto out_buf; dir = CAM_DIR_OUT; } else if (hdr->reply_len != 0) { buf = malloc(hdr->reply_len, M_DEVBUF, M_WAITOK | M_ZERO); buf_len = hdr->reply_len; dir = CAM_DIR_IN; } else { buf = NULL; buf_len = 0; dir = CAM_DIR_NONE; } cam_periph_lock(periph); sc = periph->softc; xpt_setup_ccb(&ccb->ccb_h, periph->path, CAM_PRIORITY_NORMAL); cam_fill_csio(csio, /*retries*/1, sgdone, dir|CAM_DEV_QFRZDIS, MSG_SIMPLE_Q_TAG, buf, buf_len, SG_MAX_SENSE, cdb_len, sc->sg_timeout); /* * Send off the command and hope that it works. This path does not * go through sgstart because the I/O is supposed to be asynchronous. */ rdwr->buf = buf; rdwr->buf_len = buf_len; rdwr->tag = hdr->pack_id; rdwr->ccb = ccb; rdwr->state = SG_RDWR_INPROG; ccb->ccb_h.ccb_rdwr = rdwr; ccb->ccb_h.ccb_type = SG_CCB_RDWR_IO; TAILQ_INSERT_TAIL(&sc->rdwr_done, rdwr, rdwr_link); error = sgsendrdwr(periph, ccb); cam_periph_unlock(periph); return (error); out_buf: free(buf, M_DEVBUF); out_ccb: xpt_free_ccb(ccb); out_hdr: free(rdwr, M_DEVBUF); return (error); } static int sgread(struct cdev *dev, struct uio *uio, int ioflag) { struct ccb_scsiio *csio; struct cam_periph *periph; struct sg_softc *sc; struct sg_header *hdr; struct sg_rdwr *rdwr; u_short hstat, dstat; int error, pack_len, reply_len, pack_id; periph = dev->si_drv1; /* XXX The pack len field needs to be updated and written out instead * of discarded. Not sure how to do that. */ uio->uio_rw = UIO_WRITE; if ((error = uiomove(&pack_len, 4, uio)) != 0) return (error); if ((error = uiomove(&reply_len, 4, uio)) != 0) return (error); if ((error = uiomove(&pack_id, 4, uio)) != 0) return (error); uio->uio_rw = UIO_READ; cam_periph_lock(periph); sc = periph->softc; search: TAILQ_FOREACH(rdwr, &sc->rdwr_done, rdwr_link) { if (rdwr->tag == pack_id) break; } if ((rdwr == NULL) || (rdwr->state != SG_RDWR_DONE)) { if (msleep(rdwr, periph->sim->mtx, PCATCH, "sgread", 0) == ERESTART) return (EAGAIN); goto search; } TAILQ_REMOVE(&sc->rdwr_done, rdwr, rdwr_link); cam_periph_unlock(periph); hdr = &rdwr->hdr.hdr; csio = &rdwr->ccb->csio; sg_scsiio_status(csio, &hstat, &dstat); hdr->host_status = hstat; hdr->driver_status = dstat; hdr->target_status = csio->scsi_status >> 1; switch (hstat) { case DID_OK: case DID_PASSTHROUGH: case DID_SOFT_ERROR: hdr->result = 0; break; case DID_NO_CONNECT: case DID_BUS_BUSY: case DID_TIME_OUT: hdr->result = EBUSY; break; case DID_BAD_TARGET: case DID_ABORT: case DID_PARITY: case DID_RESET: case DID_BAD_INTR: case DID_ERROR: default: hdr->result = EIO; break; } if (dstat == DRIVER_SENSE) { bcopy(&csio->sense_data, hdr->sense_buffer, min(csio->sense_len, SG_MAX_SENSE)); #ifdef CAMDEBUG scsi_sense_print(csio); #endif } error = uiomove(&hdr->result, sizeof(*hdr) - offsetof(struct sg_header, result), uio); if ((error == 0) && (hdr->result == 0)) error = uiomove(rdwr->buf, rdwr->buf_len, uio); cam_periph_lock(periph); xpt_free_ccb(rdwr->ccb); cam_periph_unlock(periph); free(rdwr->buf, M_DEVBUF); free(rdwr, M_DEVBUF); return (error); } static int sgsendccb(struct cam_periph *periph, union ccb *ccb) { struct sg_softc *softc; struct cam_periph_map_info mapinfo; int error; softc = periph->softc; bzero(&mapinfo, sizeof(mapinfo)); /* * cam_periph_mapmem calls into proc and vm functions that can * sleep as well as trigger I/O, so we can't hold the lock. * Dropping it here is reasonably safe. * The only CCB opcode that is possible here is XPT_SCSI_IO, no * need for additional checks. */ cam_periph_unlock(periph); error = cam_periph_mapmem(ccb, &mapinfo); cam_periph_lock(periph); if (error) return (error); error = cam_periph_runccb(ccb, sgerror, CAM_RETRY_SELTO, SF_RETRY_UA, softc->device_stats); cam_periph_unmapmem(ccb, &mapinfo); return (error); } static int sgsendrdwr(struct cam_periph *periph, union ccb *ccb) { struct sg_softc *softc; softc = periph->softc; devstat_start_transaction(softc->device_stats, NULL); xpt_action(ccb); return (0); } static int sgerror(union ccb *ccb, uint32_t cam_flags, uint32_t sense_flags) { struct cam_periph *periph; struct sg_softc *softc; periph = xpt_path_periph(ccb->ccb_h.path); softc = (struct sg_softc *)periph->softc; return (cam_periph_error(ccb, cam_flags, sense_flags, &softc->saved_ccb)); } static void sg_scsiio_status(struct ccb_scsiio *csio, u_short *hoststat, u_short *drvstat) { int status; status = csio->ccb_h.status; switch (status & CAM_STATUS_MASK) { case CAM_REQ_CMP: *hoststat = DID_OK; *drvstat = 0; break; case CAM_REQ_CMP_ERR: *hoststat = DID_ERROR; *drvstat = 0; break; case CAM_REQ_ABORTED: *hoststat = DID_ABORT; *drvstat = 0; break; case CAM_REQ_INVALID: *hoststat = DID_ERROR; *drvstat = DRIVER_INVALID; break; case CAM_DEV_NOT_THERE: *hoststat = DID_BAD_TARGET; *drvstat = 0; break; case CAM_SEL_TIMEOUT: *hoststat = DID_NO_CONNECT; *drvstat = 0; break; case CAM_CMD_TIMEOUT: *hoststat = DID_TIME_OUT; *drvstat = 0; break; case CAM_SCSI_STATUS_ERROR: *hoststat = DID_ERROR; *drvstat = 0; break; case CAM_SCSI_BUS_RESET: *hoststat = DID_RESET; *drvstat = 0; break; case CAM_UNCOR_PARITY: *hoststat = DID_PARITY; *drvstat = 0; break; case CAM_SCSI_BUSY: *hoststat = DID_BUS_BUSY; *drvstat = 0; break; default: *hoststat = DID_ERROR; *drvstat = DRIVER_ERROR; } if (status & CAM_AUTOSNS_VALID) *drvstat = DRIVER_SENSE; } static int scsi_group_len(u_char cmd) { int len[] = {6, 10, 10, 12, 12, 12, 10, 10}; int group; group = (cmd >> 5) & 0x7; return (len[group]); } Index: stable/9/sys =================================================================== --- stable/9/sys (revision 257049) +++ stable/9/sys (revision 257050) Property changes on: stable/9/sys ___________________________________________________________________ Modified: svn:mergeinfo ## -0,0 +0,1 ## Merged /head/sys:r256552