Index: stable/10/sys/dev/nand/nand_geom.c =================================================================== --- stable/10/sys/dev/nand/nand_geom.c (revision 313524) +++ stable/10/sys/dev/nand/nand_geom.c (revision 313525) @@ -1,465 +1,465 @@ /*- * Copyright (C) 2009-2012 Semihalf * 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. * 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 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 "nand_if.h" #include "nandbus_if.h" #define BIO_NAND_STD ((void *)1) #define BIO_NAND_RAW ((void *)2) static disk_ioctl_t nand_ioctl; static disk_getattr_t nand_getattr; static disk_strategy_t nand_strategy; static disk_strategy_t nand_strategy_raw; static int nand_read(struct nand_chip *chip, uint32_t offset, void *buf, uint32_t len) { nand_debug(NDBG_GEOM, "Read from chip %d [%p] at %d", chip->num, chip, offset); return (nand_read_pages(chip, offset, buf, len)); } static int nand_write(struct nand_chip *chip, uint32_t offset, void* buf, uint32_t len) { nand_debug(NDBG_GEOM, "Write to chip %d [%p] at %d", chip->num, chip, offset); return (nand_prog_pages(chip, offset, buf, len)); } static int nand_read_raw(struct nand_chip *chip, uint32_t offset, void *buf, uint32_t len) { nand_debug(NDBG_GEOM, "Raw read from chip %d [%p] at %d", chip->num, chip, offset); return (nand_read_pages_raw(chip, offset, buf, len)); } static int nand_write_raw(struct nand_chip *chip, uint32_t offset, void *buf, uint32_t len) { nand_debug(NDBG_GEOM, "Raw write to chip %d [%p] at %d", chip->num, chip, offset); return (nand_prog_pages_raw(chip, offset, buf, len)); } static void nand_strategy(struct bio *bp) { struct nand_chip *chip; chip = (struct nand_chip *)bp->bio_disk->d_drv1; bp->bio_driver1 = BIO_NAND_STD; nand_debug(NDBG_GEOM, "Strategy %s on chip %d [%p]", (bp->bio_cmd & BIO_READ) == BIO_READ ? "READ" : ((bp->bio_cmd & BIO_WRITE) == BIO_WRITE ? "WRITE" : ((bp->bio_cmd & BIO_DELETE) == BIO_DELETE ? "DELETE" : "UNKNOWN")), chip->num, chip); mtx_lock(&chip->qlock); bioq_insert_tail(&chip->bioq, bp); mtx_unlock(&chip->qlock); taskqueue_enqueue(chip->tq, &chip->iotask); } static void nand_strategy_raw(struct bio *bp) { struct nand_chip *chip; chip = (struct nand_chip *)bp->bio_disk->d_drv1; /* Inform taskqueue that it's a raw access */ bp->bio_driver1 = BIO_NAND_RAW; nand_debug(NDBG_GEOM, "Strategy %s on chip %d [%p]", (bp->bio_cmd & BIO_READ) == BIO_READ ? "READ" : ((bp->bio_cmd & BIO_WRITE) == BIO_WRITE ? "WRITE" : ((bp->bio_cmd & BIO_DELETE) == BIO_DELETE ? "DELETE" : "UNKNOWN")), chip->num, chip); mtx_lock(&chip->qlock); bioq_insert_tail(&chip->bioq, bp); mtx_unlock(&chip->qlock); taskqueue_enqueue(chip->tq, &chip->iotask); } static int nand_oob_access(struct nand_chip *chip, uint32_t page, uint32_t offset, uint32_t len, uint8_t *data, uint8_t write) { struct chip_geom *cg; int ret = 0; cg = &chip->chip_geom; if (!write) ret = nand_read_oob(chip, page, data, cg->oob_size); else ret = nand_prog_oob(chip, page, data, cg->oob_size); return (ret); } static int nand_getattr(struct bio *bp) { struct nand_chip *chip; struct chip_geom *cg; device_t dev; int val; if (bp->bio_disk == NULL || bp->bio_disk->d_drv1 == NULL) return (ENXIO); chip = (struct nand_chip *)bp->bio_disk->d_drv1; cg = &(chip->chip_geom); dev = device_get_parent(chip->dev); dev = device_get_parent(dev); if (strcmp(bp->bio_attribute, "NAND::device") == 0) { if (bp->bio_length != sizeof(dev)) return (EFAULT); bcopy(&dev, bp->bio_data, sizeof(dev)); } else { if (strcmp(bp->bio_attribute, "NAND::oobsize") == 0) val = cg->oob_size; else if (strcmp(bp->bio_attribute, "NAND::pagesize") == 0) val = cg->page_size; else if (strcmp(bp->bio_attribute, "NAND::blocksize") == 0) val = cg->block_size; else return (-1); if (bp->bio_length != sizeof(val)) return (EFAULT); bcopy(&val, bp->bio_data, sizeof(val)); } bp->bio_completed = bp->bio_length; return (0); } static int nand_ioctl(struct disk *ndisk, u_long cmd, void *data, int fflag, struct thread *td) { struct nand_chip *chip; struct chip_geom *cg; struct nand_oob_rw *oob_rw = NULL; struct nand_raw_rw *raw_rw = NULL; device_t nandbus; size_t bufsize = 0, len = 0; size_t raw_size; off_t off; uint8_t *buf = NULL; int ret = 0; uint8_t status; chip = (struct nand_chip *)ndisk->d_drv1; cg = &chip->chip_geom; nandbus = device_get_parent(chip->dev); if ((cmd == NAND_IO_RAW_READ) || (cmd == NAND_IO_RAW_PROG)) { raw_rw = (struct nand_raw_rw *)data; raw_size = cg->pgs_per_blk * (cg->page_size + cg->oob_size); /* Check if len is not bigger than chip size */ if (raw_rw->len > raw_size) return (EFBIG); /* * Do not ask for too much memory, in case of large transfers * read/write in 16-pages chunks */ bufsize = 16 * (cg->page_size + cg->oob_size); if (raw_rw->len < bufsize) bufsize = raw_rw->len; buf = malloc(bufsize, M_NAND, M_WAITOK); len = raw_rw->len; off = 0; } switch (cmd) { case NAND_IO_ERASE: ret = nand_erase_blocks(chip, ((off_t *)data)[0], ((off_t *)data)[1]); break; case NAND_IO_OOB_READ: oob_rw = (struct nand_oob_rw *)data; ret = nand_oob_access(chip, oob_rw->page, 0, oob_rw->len, oob_rw->data, 0); break; case NAND_IO_OOB_PROG: oob_rw = (struct nand_oob_rw *)data; ret = nand_oob_access(chip, oob_rw->page, 0, oob_rw->len, oob_rw->data, 1); break; case NAND_IO_GET_STATUS: NANDBUS_LOCK(nandbus); ret = NANDBUS_GET_STATUS(nandbus, &status); if (ret == 0) *(uint8_t *)data = status; NANDBUS_UNLOCK(nandbus); break; case NAND_IO_RAW_PROG: while (len > 0) { if (len < bufsize) bufsize = len; ret = copyin(raw_rw->data + off, buf, bufsize); if (ret) break; ret = nand_prog_pages_raw(chip, raw_rw->off + off, buf, bufsize); if (ret) break; len -= bufsize; off += bufsize; } break; case NAND_IO_RAW_READ: while (len > 0) { if (len < bufsize) bufsize = len; ret = nand_read_pages_raw(chip, raw_rw->off + off, buf, bufsize); if (ret) break; ret = copyout(buf, raw_rw->data + off, bufsize); if (ret) break; len -= bufsize; off += bufsize; } break; case NAND_IO_GET_CHIP_PARAM: nand_get_chip_param(chip, (struct chip_param_io *)data); break; default: printf("Unknown nand_ioctl request \n"); ret = EIO; } if (buf) free(buf, M_NAND); return (ret); } static void nand_io_proc(void *arg, int pending) { struct nand_chip *chip = arg; struct bio *bp; int err = 0; for (;;) { mtx_lock(&chip->qlock); bp = bioq_takefirst(&chip->bioq); mtx_unlock(&chip->qlock); if (bp == NULL) break; if (bp->bio_driver1 == BIO_NAND_STD) { if ((bp->bio_cmd & BIO_READ) == BIO_READ) { err = nand_read(chip, bp->bio_offset & 0xffffffff, bp->bio_data, bp->bio_bcount); } else if ((bp->bio_cmd & BIO_WRITE) == BIO_WRITE) { err = nand_write(chip, bp->bio_offset & 0xffffffff, bp->bio_data, bp->bio_bcount); } } else if (bp->bio_driver1 == BIO_NAND_RAW) { if ((bp->bio_cmd & BIO_READ) == BIO_READ) { err = nand_read_raw(chip, bp->bio_offset & 0xffffffff, bp->bio_data, bp->bio_bcount); } else if ((bp->bio_cmd & BIO_WRITE) == BIO_WRITE) { err = nand_write_raw(chip, bp->bio_offset & 0xffffffff, bp->bio_data, bp->bio_bcount); } } else panic("Unknown access type in bio->bio_driver1\n"); if ((bp->bio_cmd & BIO_DELETE) == BIO_DELETE) { nand_debug(NDBG_GEOM, "Delete on chip%d offset %lld " "length %ld\n", chip->num, bp->bio_offset, bp->bio_bcount); err = nand_erase_blocks(chip, bp->bio_offset & 0xffffffff, bp->bio_bcount); } if (err == 0 || err == ECC_CORRECTABLE) bp->bio_resid = 0; else { nand_debug(NDBG_GEOM,"nand_[read|write|erase_blocks] " "error: %d\n", err); bp->bio_error = EIO; bp->bio_flags |= BIO_ERROR; bp->bio_resid = bp->bio_bcount; } biodone(bp); } } int create_geom_disk(struct nand_chip *chip) { struct disk *ndisk, *rdisk; /* Create the disk device */ ndisk = disk_alloc(); ndisk->d_strategy = nand_strategy; ndisk->d_ioctl = nand_ioctl; ndisk->d_getattr = nand_getattr; ndisk->d_name = "gnand"; ndisk->d_drv1 = chip; ndisk->d_maxsize = chip->chip_geom.block_size; ndisk->d_sectorsize = chip->chip_geom.page_size; ndisk->d_mediasize = chip->chip_geom.chip_size; ndisk->d_unit = chip->num + 10 * device_get_unit(device_get_parent(chip->dev)); /* * When using BBT, make two last blocks of device unavailable * to user (because those are used to store BBT table). */ if (chip->bbt != NULL) ndisk->d_mediasize -= (2 * chip->chip_geom.block_size); ndisk->d_flags = DISKFLAG_CANDELETE; snprintf(ndisk->d_ident, sizeof(ndisk->d_ident), "nand: Man:0x%02x Dev:0x%02x", chip->id.man_id, chip->id.dev_id); ndisk->d_rotation_rate = DISK_RR_NON_ROTATING; disk_create(ndisk, DISK_VERSION); /* Create the RAW disk device */ rdisk = disk_alloc(); rdisk->d_strategy = nand_strategy_raw; rdisk->d_ioctl = nand_ioctl; rdisk->d_getattr = nand_getattr; rdisk->d_name = "gnand.raw"; rdisk->d_drv1 = chip; rdisk->d_maxsize = chip->chip_geom.block_size; rdisk->d_sectorsize = chip->chip_geom.page_size; rdisk->d_mediasize = chip->chip_geom.chip_size; rdisk->d_unit = chip->num + 10 * device_get_unit(device_get_parent(chip->dev)); rdisk->d_flags = DISKFLAG_CANDELETE; snprintf(rdisk->d_ident, sizeof(rdisk->d_ident), "nand_raw: Man:0x%02x Dev:0x%02x", chip->id.man_id, chip->id.dev_id); - disk->d_rotation_rate = DISK_RR_NON_ROTATING; + rdisk->d_rotation_rate = DISK_RR_NON_ROTATING; disk_create(rdisk, DISK_VERSION); chip->ndisk = ndisk; chip->rdisk = rdisk; mtx_init(&chip->qlock, "NAND I/O lock", NULL, MTX_DEF); bioq_init(&chip->bioq); TASK_INIT(&chip->iotask, 0, nand_io_proc, chip); chip->tq = taskqueue_create("nand_taskq", M_WAITOK, taskqueue_thread_enqueue, &chip->tq); taskqueue_start_threads(&chip->tq, 1, PI_DISK, "nand taskq"); if (bootverbose) device_printf(chip->dev, "Created gnand%d for chip [0x%0x, " "0x%0x]\n", ndisk->d_unit, chip->id.man_id, chip->id.dev_id); return (0); } void destroy_geom_disk(struct nand_chip *chip) { struct bio *bp; taskqueue_free(chip->tq); disk_destroy(chip->ndisk); disk_destroy(chip->rdisk); mtx_lock(&chip->qlock); for (;;) { bp = bioq_takefirst(&chip->bioq); if (bp == NULL) break; bp->bio_error = EIO; bp->bio_flags |= BIO_ERROR; bp->bio_resid = bp->bio_bcount; biodone(bp); } mtx_unlock(&chip->qlock); mtx_destroy(&chip->qlock); } Index: stable/10 =================================================================== --- stable/10 (revision 313524) +++ stable/10 (revision 313525) Property changes on: stable/10 ___________________________________________________________________ Modified: svn:mergeinfo ## -0,0 +0,1 ## Merged /head:r311993