Index: head/sbin/gpt/Makefile =================================================================== --- head/sbin/gpt/Makefile (revision 105904) +++ head/sbin/gpt/Makefile (revision 105905) @@ -1,8 +1,8 @@ # $FreeBSD$ PROG= gpt -SRCS= destroy.c gpt.c map.c migrate.c recover.c show.c +SRCS= create.c destroy.c gpt.c map.c migrate.c recover.c show.c WARNS= 4 NOMAN= not yet .include Index: head/sbin/gpt/create.c =================================================================== --- head/sbin/gpt/create.c (nonexistent) +++ head/sbin/gpt/create.c (revision 105905) @@ -0,0 +1,196 @@ +/* + * Copyright (c) 2002 Marcel Moolenaar + * 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 ``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. + * + * $FreeBSD$ + */ + +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include "map.h" +#include "gpt.h" + +int primary_only; + +static void +usage_create(void) +{ + + fprintf(stderr, + "usage: %s [-p] device ...\n", getprogname()); + exit(1); +} + +static void +create(int fd) +{ + off_t blocks, last; + map_t *gpt, *tpg; + map_t *tbl, *lbt; + map_t *map; + struct gpt_hdr *hdr; + struct gpt_ent *ent; + unsigned int i; + + if (map_find(MAP_TYPE_PRI_GPT_HDR) != NULL || + map_find(MAP_TYPE_SEC_GPT_HDR) != NULL) { + warnx("%s: error: device already contains a GPT", device_name); + return; + } + + /* Get the amount of free space after the MBR */ + blocks = map_unused(1LL, 0LL); + if (blocks == 0LL) { + warnx("%s: error: no room for the GPT header", device_name); + return; + } + + /* Don't create more than parts entries. */ + if ((uint64_t)(blocks - 1) * secsz > parts * sizeof(struct gpt_ent)) { + blocks = (parts * sizeof(struct gpt_ent)) / secsz; + if ((parts * sizeof(struct gpt_ent)) % secsz) + blocks++; + blocks++; /* Don't forget the header itself */ + } + + last = mediasz / secsz - 1LL; + + /* Never cross the median of the device. */ + if ((blocks + 1LL) > ((last + 1LL) >> 1)) + blocks = ((last + 1LL) >> 1) - 1LL; + + /* + * Get the amount of free space at the end of the device and + * calculate the size for the GPT structures. + */ + map = map_last(); + if (map->map_type != MAP_TYPE_UNUSED) { + warnx("%s: error: no room for the backup header", device_name); + return; + } + + if (map->map_size < blocks) + blocks = map->map_size; + if (blocks == 1LL) { + warnx("%s: error: no room for the GPT table", device_name); + return; + } + + blocks--; /* Number of blocks in the GPT table. */ + gpt = map_add(1LL, 1LL, MAP_TYPE_PRI_GPT_HDR, calloc(1, secsz)); + tbl = map_add(2LL, blocks, MAP_TYPE_PRI_GPT_TBL, + calloc(blocks, secsz)); + if (gpt == NULL || tbl == NULL) + return; + + hdr = gpt->map_data; + memcpy(hdr->hdr_sig, GPT_HDR_SIG, sizeof(hdr->hdr_sig)); + hdr->hdr_revision = GPT_HDR_REVISION; + /* + * XXX struct gpt_hdr is not a multiple of 8 bytes in size and thus + * contains padding we must not include in the size. + */ + hdr->hdr_size = offsetof(struct gpt_hdr, padding); + hdr->hdr_lba_self = gpt->map_start; + hdr->hdr_lba_alt = last; + hdr->hdr_lba_start = tbl->map_start + blocks; + hdr->hdr_lba_end = last - blocks - 1LL; + uuidgen(&hdr->hdr_uuid, 1); + hdr->hdr_lba_table = tbl->map_start; + hdr->hdr_entries = (blocks * secsz) / sizeof(struct gpt_ent); + if (hdr->hdr_entries > parts) + hdr->hdr_entries = parts; + hdr->hdr_entsz = sizeof(struct gpt_ent); + + ent = tbl->map_data; + for (i = 0; i < hdr->hdr_entries; i++) + uuidgen(&ent[i].ent_uuid, 1); + + hdr->hdr_crc_table = crc32(ent, hdr->hdr_entries * hdr->hdr_entsz); + hdr->hdr_crc_self = crc32(hdr, hdr->hdr_size); + + gpt_write(fd, gpt); + gpt_write(fd, tbl); + + /* + * Create backup GPT if the user didn't suppress it. + */ + if (!primary_only) { + tpg = map_add(last, 1LL, MAP_TYPE_SEC_GPT_HDR, + calloc(1, secsz)); + lbt = map_add(last - blocks, blocks, MAP_TYPE_SEC_GPT_TBL, + tbl->map_data); + memcpy(tpg->map_data, gpt->map_data, secsz); + hdr = tpg->map_data; + hdr->hdr_lba_self = tpg->map_start; + hdr->hdr_lba_alt = gpt->map_start; + hdr->hdr_lba_table = lbt->map_start; + hdr->hdr_crc_self = 0; /* Don't ever forget this! */ + hdr->hdr_crc_self = crc32(hdr, hdr->hdr_size); + gpt_write(fd, lbt); + gpt_write(fd, tpg); + } +} + +int +cmd_create(int argc, char *argv[]) +{ + int ch, fd; + + while ((ch = getopt(argc, argv, "p")) != -1) { + switch(ch) { + case 'p': + primary_only = 1; + break; + default: + usage_create(); + } + } + + if (argc == optind) + usage_create(); + + while (optind < argc) { + fd = gpt_open(argv[optind++]); + if (fd == -1) { + warn("unable to open device '%s'", device_name); + continue; + } + + create(fd); + + gpt_close(fd); + } + + return (0); +} Property changes on: head/sbin/gpt/create.c ___________________________________________________________________ Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Index: head/sbin/gpt/gpt.c =================================================================== --- head/sbin/gpt/gpt.c (revision 105904) +++ head/sbin/gpt/gpt.c (revision 105905) @@ -1,466 +1,466 @@ /* * Copyright (c) 2002 Marcel Moolenaar * 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 ``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. * * CRC32 code derived from work by Gary S. Brown. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "map.h" #include "gpt.h" char device_name[MAXPATHLEN]; off_t mediasz; u_int parts; u_int secsz; int readonly, verbose; static uint32_t crc32_tab[] = { 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d }; uint32_t crc32(const void *buf, size_t size) { const uint8_t *p; uint32_t crc; p = buf; crc = ~0U; while (size--) crc = crc32_tab[(crc ^ *p++) & 0xFF] ^ (crc >> 8); return crc ^ ~0U; } void unicode16(short *dst, const wchar_t *src, size_t len) { while (len-- && *src != 0) *dst++ = *src++; if (len) *dst = 0; } static char * uuid_string(uuid_t *uuid) { static char buf[48]; sprintf(buf, "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x", uuid->time_low, uuid->time_mid, uuid->time_hi_and_version, uuid->clock_seq_hi_and_reserved, uuid->clock_seq_low, uuid->node[0], uuid->node[1], uuid->node[2], uuid->node[3], uuid->node[4], uuid->node[5]); return buf; } void* gpt_read(int fd, off_t lba, size_t count) { off_t ofs; void *buf; count *= secsz; buf = malloc(count); if (buf == NULL) return (NULL); ofs = lba * secsz; if (lseek(fd, ofs, SEEK_SET) == ofs && read(fd, buf, count) == (ssize_t)count) return (buf); free(buf); return (NULL); } int gpt_write(int fd, map_t *map) { off_t ofs; size_t count; count = map->map_size * secsz; ofs = map->map_start * secsz; if (lseek(fd, ofs, SEEK_SET) == ofs && write(fd, map->map_data, count) == (ssize_t)count) return (0); return (-1); } static int gpt_gpt(int fd, off_t lba) { off_t size; struct gpt_ent *ent; struct gpt_hdr *hdr; char *p; map_t *m; size_t blocks, tblsz; unsigned int i; uint32_t crc; hdr = gpt_read(fd, lba, 1); if (hdr == NULL) return (-1); if (memcmp(hdr->hdr_sig, GPT_HDR_SIG, sizeof(hdr->hdr_sig))) goto fail_hdr; crc = hdr->hdr_crc_self; hdr->hdr_crc_self = 0; if (crc32(hdr, hdr->hdr_size) != crc) { if (verbose) warnx("%s: Bad CRC in GPT header at sector %llu", device_name, (long long)lba); goto fail_hdr; } tblsz = hdr->hdr_entries * hdr->hdr_entsz; blocks = tblsz / secsz + ((tblsz % secsz) ? 1 : 0); /* Use generic pointer to deal with hdr->hdr_entsz != sizeof(*ent). */ p = gpt_read(fd, hdr->hdr_lba_table, blocks); if (p == NULL) return (-1); if (crc32(p, tblsz) != hdr->hdr_crc_table) { if (verbose) warnx("%s: Bad CRC in GPT table at sector %llu", device_name, (long long)hdr->hdr_lba_table); goto fail_ent; } if (verbose > 1) warnx("%s: %s GPT at sector %llu", device_name, (lba == 1) ? "Pri" : "Sec", (long long)lba); m = map_add(lba, 1, (lba == 1) ? MAP_TYPE_PRI_GPT_HDR : MAP_TYPE_SEC_GPT_HDR, hdr); if (m == NULL) return (-1); m = map_add(hdr->hdr_lba_table, blocks, (lba == 1) ? MAP_TYPE_PRI_GPT_TBL : MAP_TYPE_SEC_GPT_TBL, p); if (m == NULL) return (-1); if (lba != 1) return (0); for (i = 0; i < hdr->hdr_entries; i++) { uuid_t unused = GPT_ENT_TYPE_UNUSED; ent = (void*)(p + i * hdr->hdr_entsz); if (!memcmp(&ent->ent_type, &unused, sizeof(uuid_t))) continue; size = ent->ent_lba_end - ent->ent_lba_start + 1LL; if (verbose > 2) warnx( "%s: GPT partition: type=%s, start=%llu, size=%llu", device_name, uuid_string(&ent->ent_type), (long long)ent->ent_lba_start, (long long)size); m = map_add(ent->ent_lba_start, size, MAP_TYPE_GPT_PART, NULL); if (m == NULL) return (-1); } return (0); fail_ent: free(p); fail_hdr: free(hdr); return (0); } int gpt_open(const char *dev) { struct stat sb; struct mbr *mbr; map_t *m; uint32_t size, start; unsigned int i; int fd; if (!stat(dev, &sb)) { strlcpy(device_name, dev, sizeof(device_name)); goto found; } snprintf(device_name, sizeof(device_name), "/dev/%s", dev); if (!stat(device_name, &sb)) goto found; strlcpy(device_name, dev, sizeof(device_name)); return (-1); found: fd = open(device_name, (readonly) ? O_RDONLY : O_RDWR|O_EXCL); if (fd == -1) return (-1); if ((sb.st_mode & S_IFMT) != S_IFREG) { if (ioctl(fd, DIOCGSECTORSIZE, &secsz) == -1 || ioctl(fd, DIOCGMEDIASIZE, &mediasz) == -1) goto close; } else { secsz = 512; /* Fixed size for files. */ if (sb.st_size % secsz) { errno = EINVAL; goto close; } mediasz = sb.st_size; } /* * We require an absolute minimum of 6 sectors. One for the MBR, * 2 for the GPT header, 2 for the GPT table and one to hold some * user data. Let's catch this extreme border case here so that * we don't have to worry about it later. */ if (mediasz / secsz < 6) { errno = ENODEV; goto close; } if (verbose) warnx("%s: mediasize=%llu; sectorsize=%u; blocks=%llu", device_name, (long long)mediasz, secsz, (long long)(mediasz / secsz)); map_init(mediasz / secsz); /* * MBR */ mbr = gpt_read(fd, 0LL, 1); if (mbr == NULL) goto close; if (mbr->mbr_sig == MBR_SIG) { if (verbose > 1) warnx("%s: MBR at sector 0", device_name); m = map_add(0LL, 1LL, MAP_TYPE_MBR, mbr); if (m == NULL) goto close; for (i = 0; i < 4; i++) { start = mbr->mbr_part[i].part_start_hi; start = (start << 16) + mbr->mbr_part[i].part_start_lo; size = mbr->mbr_part[i].part_size_hi; size = (size << 16) + mbr->mbr_part[i].part_size_lo; if (start != 0 || size != 0) { if (verbose > 2) warnx( "%s: MBR partition: type=%d, start=%llu, size=%llu", device_name, mbr->mbr_part[i].part_typ, (long long)start, (long long)size); if (mbr->mbr_part[i].part_typ != 0xee) { m = map_add(start, size, MAP_TYPE_MBR_PART, NULL); if (m == NULL) goto close; } } } } else { if (verbose) warnx("%s: MBR not found", device_name); free(mbr); } /* * GPT */ if (gpt_gpt(fd, 1LL) == -1) goto close; if (gpt_gpt(fd, mediasz / secsz - 1LL) == -1) goto close; return (fd); close: close(fd); return (-1); } void gpt_close(int fd) { /* XXX post processing? */ close(fd); } static struct { int (*fptr)(int, char *[]); const char *name; } cmdsw[] = { { NULL, "add" }, - { NULL, "create" }, + { cmd_create, "create" }, { NULL, "delete" }, { cmd_destroy, "destroy" }, { NULL, "help" }, { cmd_migrate, "migrate" }, { cmd_recover, "recover" }, { NULL, "rename" }, { cmd_show, "show" }, { NULL, "verify" }, { NULL, NULL } }; static void usage(void) { fprintf(stderr, "usage: %s [-rv] [-p nparts] command [options] device\n", getprogname()); exit(1); } static void prefix(const char *cmd) { char *pfx; const char *prg; prg = getprogname(); pfx = malloc(strlen(prg) + strlen(cmd) + 2); /* Don't bother failing. It's not important */ if (pfx == NULL) return; sprintf(pfx, "%s %s", prg, cmd); setprogname(pfx); } int main(int argc, char *argv[]) { char *cmd, *p; int ch, i; /* Get the generic options */ while ((ch = getopt(argc, argv, "p:rv")) != -1) { switch(ch) { case 'p': if (parts > 0) usage(); parts = strtol(optarg, &p, 10); if (*p != 0 || parts < 1) usage(); break; case 'r': readonly = 1; break; case 'v': verbose++; break; default: usage(); } } if (!parts) parts = 128; if (argc == optind) usage(); cmd = argv[optind++]; for (i = 0; cmdsw[i].name != NULL && strcmp(cmd, cmdsw[i].name); i++); if (cmdsw[i].fptr == NULL) errx(1, "unknown command: %s", cmd); prefix(cmd); return ((*cmdsw[i].fptr)(argc, argv)); } Index: head/sbin/gpt/gpt.h =================================================================== --- head/sbin/gpt/gpt.h (revision 105904) +++ head/sbin/gpt/gpt.h (revision 105905) @@ -1,70 +1,71 @@ /* * Copyright (c) 2002 Marcel Moolenaar * 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 ``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 _GPT_H_ #define _GPT_H_ struct mbr { uint16_t mbr_code[223]; struct { uint8_t part_flag; /* bootstrap flags */ uint8_t part_shd; /* starting head */ uint8_t part_ssect; /* starting sector */ uint8_t part_scyl; /* starting cylinder */ uint8_t part_typ; /* partition type */ uint8_t part_ehd; /* end head */ uint8_t part_esect; /* end sector */ uint8_t part_ecyl; /* end cylinder */ uint16_t part_start_lo; /* absolute starting ... */ uint16_t part_start_hi; /* ... sector number */ uint16_t part_size_lo; /* partition size ... */ uint16_t part_size_hi; /* ... in sectors */ } mbr_part[4]; uint16_t mbr_sig; #define MBR_SIG 0xAA55 }; extern char device_name[]; extern off_t mediasz; extern u_int parts; extern u_int secsz; extern int readonly, verbose; uint32_t crc32(const void *, size_t); void gpt_close(int); int gpt_open(const char *); void* gpt_read(int, off_t, size_t); int gpt_write(int, map_t *); void unicode16(short *, const wchar_t *, size_t); +int cmd_create(int, char *[]); int cmd_destroy(int, char *[]); int cmd_migrate(int, char *[]); int cmd_recover(int, char *[]); int cmd_show(int, char *[]); #endif /* _GPT_H_ */