1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright 2015 Nexenta Systems, Inc. All rights reserved. 25 * Copyright 2014 Toomas Soome <tsoome@me.com> 26 * Copyright 2018 OmniOS Community Edition (OmniOSce) Association. 27 */ 28 29 #include <stdio.h> 30 #include <stdlib.h> 31 #include <errno.h> 32 #include <strings.h> 33 #include <unistd.h> 34 #include <smbios.h> 35 #include <uuid/uuid.h> 36 #include <libintl.h> 37 #include <sys/types.h> 38 #include <sys/dkio.h> 39 #include <sys/vtoc.h> 40 #include <sys/mhd.h> 41 #include <sys/param.h> 42 #include <sys/dktp/fdisk.h> 43 #include <sys/efi_partition.h> 44 #include <sys/byteorder.h> 45 #include <sys/ddi.h> 46 47 static struct uuid_to_ptag { 48 struct uuid uuid; 49 } conversion_array[] = { 50 { EFI_UNUSED }, 51 { EFI_BOOT }, 52 { EFI_ROOT }, 53 { EFI_SWAP }, 54 { EFI_USR }, 55 { EFI_BACKUP }, 56 { 0 }, /* STAND is never used */ 57 { EFI_VAR }, 58 { EFI_HOME }, 59 { EFI_ALTSCTR }, 60 { 0 }, /* CACHE is never used */ 61 { EFI_RESERVED }, 62 { EFI_SYSTEM }, 63 { EFI_LEGACY_MBR }, 64 { EFI_SYMC_PUB }, 65 { EFI_SYMC_CDS }, 66 { EFI_MSFT_RESV }, 67 { EFI_DELL_BASIC }, 68 { EFI_DELL_RAID }, 69 { EFI_DELL_SWAP }, 70 { EFI_DELL_LVM }, 71 { EFI_DELL_RESV }, 72 { EFI_AAPL_HFS }, 73 { EFI_AAPL_UFS }, 74 { EFI_BIOS_BOOT }, 75 { EFI_FREEBSD_BOOT }, 76 { EFI_FREEBSD_SWAP }, 77 { EFI_FREEBSD_UFS }, 78 { EFI_FREEBSD_VINUM }, 79 { EFI_FREEBSD_ZFS } 80 }; 81 82 /* 83 * Default vtoc information for non-SVr4 partitions 84 */ 85 struct dk_map2 default_vtoc_map[NDKMAP] = { 86 { V_ROOT, 0 }, /* a - 0 */ 87 { V_SWAP, V_UNMNT }, /* b - 1 */ 88 { V_BACKUP, V_UNMNT }, /* c - 2 */ 89 { V_UNASSIGNED, 0 }, /* d - 3 */ 90 { V_UNASSIGNED, 0 }, /* e - 4 */ 91 { V_UNASSIGNED, 0 }, /* f - 5 */ 92 { V_USR, 0 }, /* g - 6 */ 93 { V_UNASSIGNED, 0 }, /* h - 7 */ 94 95 #if defined(_SUNOS_VTOC_16) 96 97 #if defined(i386) || defined(__amd64) 98 { V_BOOT, V_UNMNT }, /* i - 8 */ 99 { V_ALTSCTR, 0 }, /* j - 9 */ 100 101 #else 102 #error No VTOC format defined. 103 #endif /* defined(i386) */ 104 105 { V_UNASSIGNED, 0 }, /* k - 10 */ 106 { V_UNASSIGNED, 0 }, /* l - 11 */ 107 { V_UNASSIGNED, 0 }, /* m - 12 */ 108 { V_UNASSIGNED, 0 }, /* n - 13 */ 109 { V_UNASSIGNED, 0 }, /* o - 14 */ 110 { V_UNASSIGNED, 0 }, /* p - 15 */ 111 #endif /* defined(_SUNOS_VTOC_16) */ 112 }; 113 114 #ifdef DEBUG 115 int efi_debug = 1; 116 #else 117 int efi_debug = 0; 118 #endif 119 120 #define EFI_FIXES_DB "/usr/share/hwdata/efi.fixes" 121 122 extern unsigned int efi_crc32(const unsigned char *, unsigned int); 123 static int efi_read(int, struct dk_gpt *); 124 125 static int 126 read_disk_info(int fd, diskaddr_t *capacity, uint_t *lbsize) 127 { 128 struct dk_minfo disk_info; 129 130 if ((ioctl(fd, DKIOCGMEDIAINFO, (caddr_t)&disk_info)) == -1) 131 return (errno); 132 *capacity = disk_info.dki_capacity; 133 *lbsize = disk_info.dki_lbsize; 134 return (0); 135 } 136 137 /* 138 * the number of blocks the EFI label takes up (round up to nearest 139 * block) 140 */ 141 #define NBLOCKS(p, l) (1 + ((((p) * (int)sizeof (efi_gpe_t)) + \ 142 ((l) - 1)) / (l))) 143 /* number of partitions -- limited by what we can malloc */ 144 #define MAX_PARTS ((4294967295UL - sizeof (struct dk_gpt)) / \ 145 sizeof (struct dk_part)) 146 147 int 148 efi_alloc_and_init(int fd, uint32_t nparts, struct dk_gpt **vtoc) 149 { 150 diskaddr_t capacity; 151 uint_t lbsize; 152 uint_t nblocks; 153 size_t length; 154 struct dk_gpt *vptr; 155 struct uuid uuid; 156 157 if (read_disk_info(fd, &capacity, &lbsize) != 0) { 158 if (efi_debug) 159 (void) fprintf(stderr, 160 "couldn't read disk information\n"); 161 return (-1); 162 } 163 164 nblocks = NBLOCKS(nparts, lbsize); 165 if ((nblocks * lbsize) < EFI_MIN_ARRAY_SIZE + lbsize) { 166 /* 16K plus one block for the GPT */ 167 nblocks = EFI_MIN_ARRAY_SIZE / lbsize + 1; 168 } 169 170 if (nparts > MAX_PARTS) { 171 if (efi_debug) { 172 (void) fprintf(stderr, 173 "the maximum number of partitions supported is %lu\n", 174 MAX_PARTS); 175 } 176 return (-1); 177 } 178 179 length = sizeof (struct dk_gpt) + 180 sizeof (struct dk_part) * (nparts - 1); 181 182 if ((*vtoc = calloc(length, 1)) == NULL) 183 return (-1); 184 185 vptr = *vtoc; 186 187 vptr->efi_version = EFI_VERSION_CURRENT; 188 vptr->efi_lbasize = lbsize; 189 vptr->efi_nparts = nparts; 190 /* 191 * add one block here for the PMBR; on disks with a 512 byte 192 * block size and 128 or fewer partitions, efi_first_u_lba 193 * should work out to "34" 194 */ 195 vptr->efi_first_u_lba = nblocks + 1; 196 vptr->efi_last_lba = capacity - 1; 197 vptr->efi_altern_lba = capacity -1; 198 vptr->efi_last_u_lba = vptr->efi_last_lba - nblocks; 199 200 (void) uuid_generate((uchar_t *)&uuid); 201 UUID_LE_CONVERT(vptr->efi_disk_uguid, uuid); 202 return (0); 203 } 204 205 /* 206 * Read EFI - return partition number upon success. 207 */ 208 int 209 efi_alloc_and_read(int fd, struct dk_gpt **vtoc) 210 { 211 int rval; 212 uint32_t nparts; 213 int length; 214 215 /* figure out the number of entries that would fit into 16K */ 216 nparts = EFI_MIN_ARRAY_SIZE / sizeof (efi_gpe_t); 217 length = (int) sizeof (struct dk_gpt) + 218 (int) sizeof (struct dk_part) * (nparts - 1); 219 if ((*vtoc = calloc(length, 1)) == NULL) 220 return (VT_ERROR); 221 222 (*vtoc)->efi_nparts = nparts; 223 rval = efi_read(fd, *vtoc); 224 225 if ((rval == VT_EINVAL) && (*vtoc)->efi_nparts > nparts) { 226 void *tmp; 227 length = (int) sizeof (struct dk_gpt) + 228 (int) sizeof (struct dk_part) * 229 ((*vtoc)->efi_nparts - 1); 230 nparts = (*vtoc)->efi_nparts; 231 if ((tmp = realloc(*vtoc, length)) == NULL) { 232 free (*vtoc); 233 *vtoc = NULL; 234 return (VT_ERROR); 235 } else { 236 *vtoc = tmp; 237 rval = efi_read(fd, *vtoc); 238 } 239 } 240 241 if (rval < 0) { 242 if (efi_debug) { 243 (void) fprintf(stderr, 244 "read of EFI table failed, rval=%d\n", rval); 245 } 246 free (*vtoc); 247 *vtoc = NULL; 248 } 249 250 return (rval); 251 } 252 253 static int 254 efi_ioctl(int fd, int cmd, dk_efi_t *dk_ioc) 255 { 256 void *data = dk_ioc->dki_data; 257 int error; 258 259 dk_ioc->dki_data_64 = (uint64_t)(uintptr_t)data; 260 error = ioctl(fd, cmd, (void *)dk_ioc); 261 dk_ioc->dki_data = data; 262 263 return (error); 264 } 265 266 static int 267 check_label(int fd, dk_efi_t *dk_ioc) 268 { 269 efi_gpt_t *efi; 270 uint_t crc; 271 272 if (efi_ioctl(fd, DKIOCGETEFI, dk_ioc) == -1) { 273 switch (errno) { 274 case EIO: 275 return (VT_EIO); 276 default: 277 return (VT_ERROR); 278 } 279 } 280 efi = dk_ioc->dki_data; 281 if (efi->efi_gpt_Signature != LE_64(EFI_SIGNATURE)) { 282 if (efi_debug) 283 (void) fprintf(stderr, 284 "Bad EFI signature: 0x%llx != 0x%llx\n", 285 (long long)efi->efi_gpt_Signature, 286 (long long)LE_64(EFI_SIGNATURE)); 287 return (VT_EINVAL); 288 } 289 290 /* 291 * check CRC of the header; the size of the header should 292 * never be larger than one block 293 */ 294 crc = efi->efi_gpt_HeaderCRC32; 295 efi->efi_gpt_HeaderCRC32 = 0; 296 297 if (((len_t)LE_32(efi->efi_gpt_HeaderSize) > dk_ioc->dki_length) || 298 crc != LE_32(efi_crc32((unsigned char *)efi, 299 LE_32(efi->efi_gpt_HeaderSize)))) { 300 if (efi_debug) 301 (void) fprintf(stderr, 302 "Bad EFI CRC: 0x%x != 0x%x\n", 303 crc, 304 LE_32(efi_crc32((unsigned char *)efi, 305 sizeof (struct efi_gpt)))); 306 return (VT_EINVAL); 307 } 308 309 return (0); 310 } 311 312 static int 313 efi_read(int fd, struct dk_gpt *vtoc) 314 { 315 int i, j; 316 int label_len; 317 int rval = 0; 318 int vdc_flag = 0; 319 struct dk_minfo disk_info; 320 dk_efi_t dk_ioc; 321 efi_gpt_t *efi; 322 efi_gpe_t *efi_parts; 323 struct dk_cinfo dki_info; 324 uint32_t user_length; 325 boolean_t legacy_label = B_FALSE; 326 327 /* 328 * get the partition number for this file descriptor. 329 */ 330 if (ioctl(fd, DKIOCINFO, (caddr_t)&dki_info) == -1) { 331 if (efi_debug) { 332 (void) fprintf(stderr, "DKIOCINFO errno 0x%x\n", errno); 333 } 334 switch (errno) { 335 case EIO: 336 return (VT_EIO); 337 case EINVAL: 338 return (VT_EINVAL); 339 default: 340 return (VT_ERROR); 341 } 342 } 343 344 if ((strncmp(dki_info.dki_cname, "vdc", 4) == 0) && 345 (strncmp(dki_info.dki_dname, "vdc", 4) == 0)) { 346 /* 347 * The controller and drive name "vdc" (virtual disk client) 348 * indicates a LDoms virtual disk. 349 */ 350 vdc_flag++; 351 } 352 353 /* get the LBA size */ 354 if (ioctl(fd, DKIOCGMEDIAINFO, (caddr_t)&disk_info) == -1) { 355 if (efi_debug) { 356 (void) fprintf(stderr, 357 "assuming LBA 512 bytes %d\n", 358 errno); 359 } 360 disk_info.dki_lbsize = DEV_BSIZE; 361 } 362 if (disk_info.dki_lbsize == 0) { 363 if (efi_debug) { 364 (void) fprintf(stderr, 365 "efi_read: assuming LBA 512 bytes\n"); 366 } 367 disk_info.dki_lbsize = DEV_BSIZE; 368 } 369 /* 370 * Read the EFI GPT to figure out how many partitions we need 371 * to deal with. 372 */ 373 dk_ioc.dki_lba = 1; 374 if (NBLOCKS(vtoc->efi_nparts, disk_info.dki_lbsize) < 34) { 375 label_len = EFI_MIN_ARRAY_SIZE + disk_info.dki_lbsize; 376 } else { 377 label_len = vtoc->efi_nparts * (int) sizeof (efi_gpe_t) + 378 disk_info.dki_lbsize; 379 if (label_len % disk_info.dki_lbsize) { 380 /* pad to physical sector size */ 381 label_len += disk_info.dki_lbsize; 382 label_len &= ~(disk_info.dki_lbsize - 1); 383 } 384 } 385 386 if ((dk_ioc.dki_data = calloc(label_len, 1)) == NULL) 387 return (VT_ERROR); 388 389 dk_ioc.dki_length = disk_info.dki_lbsize; 390 user_length = vtoc->efi_nparts; 391 efi = dk_ioc.dki_data; 392 if ((rval = check_label(fd, &dk_ioc)) == VT_EINVAL) { 393 /* 394 * No valid label here; try the alternate. Note that here 395 * we just read GPT header and save it into dk_ioc.data, 396 * Later, we will read GUID partition entry array if we 397 * can get valid GPT header. 398 */ 399 400 /* 401 * This is a workaround for legacy systems. In the past, the 402 * last sector of SCSI disk was invisible on x86 platform. At 403 * that time, backup label was saved on the next to the last 404 * sector. It is possible for users to move a disk from previous 405 * solaris system to present system. Here, we attempt to search 406 * legacy backup EFI label first. 407 */ 408 dk_ioc.dki_lba = disk_info.dki_capacity - 2; 409 dk_ioc.dki_length = disk_info.dki_lbsize; 410 rval = check_label(fd, &dk_ioc); 411 if (rval == VT_EINVAL) { 412 /* 413 * we didn't find legacy backup EFI label, try to 414 * search backup EFI label in the last block. 415 */ 416 dk_ioc.dki_lba = disk_info.dki_capacity - 1; 417 dk_ioc.dki_length = disk_info.dki_lbsize; 418 rval = check_label(fd, &dk_ioc); 419 if (rval == 0) { 420 legacy_label = B_TRUE; 421 if (efi_debug) 422 (void) fprintf(stderr, 423 "efi_read: primary label corrupt; " 424 "using EFI backup label located on" 425 " the last block\n"); 426 } 427 } else { 428 if ((efi_debug) && (rval == 0)) 429 (void) fprintf(stderr, "efi_read: primary label" 430 " corrupt; using legacy EFI backup label " 431 " located on the next to last block\n"); 432 } 433 434 if (rval == 0) { 435 dk_ioc.dki_lba = LE_64(efi->efi_gpt_PartitionEntryLBA); 436 vtoc->efi_flags |= EFI_GPT_PRIMARY_CORRUPT; 437 vtoc->efi_nparts = 438 LE_32(efi->efi_gpt_NumberOfPartitionEntries); 439 /* 440 * Partition tables are between backup GPT header 441 * table and ParitionEntryLBA (the starting LBA of 442 * the GUID partition entries array). Now that we 443 * already got valid GPT header and saved it in 444 * dk_ioc.dki_data, we try to get GUID partition 445 * entry array here. 446 */ 447 /* LINTED */ 448 dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data 449 + disk_info.dki_lbsize); 450 if (legacy_label) 451 dk_ioc.dki_length = disk_info.dki_capacity - 1 - 452 dk_ioc.dki_lba; 453 else 454 dk_ioc.dki_length = disk_info.dki_capacity - 2 - 455 dk_ioc.dki_lba; 456 dk_ioc.dki_length *= disk_info.dki_lbsize; 457 if (dk_ioc.dki_length > 458 ((len_t)label_len - sizeof (*dk_ioc.dki_data))) { 459 rval = VT_EINVAL; 460 } else { 461 /* 462 * read GUID partition entry array 463 */ 464 rval = efi_ioctl(fd, DKIOCGETEFI, &dk_ioc); 465 } 466 } 467 468 } else if (rval == 0) { 469 470 dk_ioc.dki_lba = LE_64(efi->efi_gpt_PartitionEntryLBA); 471 /* LINTED */ 472 dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data 473 + disk_info.dki_lbsize); 474 dk_ioc.dki_length = label_len - disk_info.dki_lbsize; 475 rval = efi_ioctl(fd, DKIOCGETEFI, &dk_ioc); 476 477 } else if (vdc_flag && rval == VT_ERROR && errno == EINVAL) { 478 /* 479 * When the device is a LDoms virtual disk, the DKIOCGETEFI 480 * ioctl can fail with EINVAL if the virtual disk backend 481 * is a ZFS volume serviced by a domain running an old version 482 * of Solaris. This is because the DKIOCGETEFI ioctl was 483 * initially incorrectly implemented for a ZFS volume and it 484 * expected the GPT and GPE to be retrieved with a single ioctl. 485 * So we try to read the GPT and the GPE using that old style 486 * ioctl. 487 */ 488 dk_ioc.dki_lba = 1; 489 dk_ioc.dki_length = label_len; 490 rval = check_label(fd, &dk_ioc); 491 } 492 493 if (rval < 0) { 494 free(efi); 495 return (rval); 496 } 497 498 /* LINTED -- always longlong aligned */ 499 efi_parts = (efi_gpe_t *)(((char *)efi) + disk_info.dki_lbsize); 500 501 /* 502 * Assemble this into a "dk_gpt" struct for easier 503 * digestibility by applications. 504 */ 505 vtoc->efi_version = LE_32(efi->efi_gpt_Revision); 506 vtoc->efi_nparts = LE_32(efi->efi_gpt_NumberOfPartitionEntries); 507 vtoc->efi_part_size = LE_32(efi->efi_gpt_SizeOfPartitionEntry); 508 vtoc->efi_lbasize = disk_info.dki_lbsize; 509 vtoc->efi_last_lba = disk_info.dki_capacity - 1; 510 vtoc->efi_first_u_lba = LE_64(efi->efi_gpt_FirstUsableLBA); 511 vtoc->efi_last_u_lba = LE_64(efi->efi_gpt_LastUsableLBA); 512 vtoc->efi_altern_lba = LE_64(efi->efi_gpt_AlternateLBA); 513 UUID_LE_CONVERT(vtoc->efi_disk_uguid, efi->efi_gpt_DiskGUID); 514 515 /* 516 * If the array the user passed in is too small, set the length 517 * to what it needs to be and return 518 */ 519 if (user_length < vtoc->efi_nparts) { 520 return (VT_EINVAL); 521 } 522 523 for (i = 0; i < vtoc->efi_nparts; i++) { 524 525 UUID_LE_CONVERT(vtoc->efi_parts[i].p_guid, 526 efi_parts[i].efi_gpe_PartitionTypeGUID); 527 528 for (j = 0; 529 j < sizeof (conversion_array) 530 / sizeof (struct uuid_to_ptag); j++) { 531 532 if (bcmp(&vtoc->efi_parts[i].p_guid, 533 &conversion_array[j].uuid, 534 sizeof (struct uuid)) == 0) { 535 vtoc->efi_parts[i].p_tag = j; 536 break; 537 } 538 } 539 if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) 540 continue; 541 vtoc->efi_parts[i].p_flag = 542 LE_16(efi_parts[i].efi_gpe_Attributes.PartitionAttrs); 543 vtoc->efi_parts[i].p_start = 544 LE_64(efi_parts[i].efi_gpe_StartingLBA); 545 vtoc->efi_parts[i].p_size = 546 LE_64(efi_parts[i].efi_gpe_EndingLBA) - 547 vtoc->efi_parts[i].p_start + 1; 548 for (j = 0; j < EFI_PART_NAME_LEN; j++) { 549 vtoc->efi_parts[i].p_name[j] = 550 (uchar_t)LE_16( 551 efi_parts[i].efi_gpe_PartitionName[j]); 552 } 553 554 UUID_LE_CONVERT(vtoc->efi_parts[i].p_uguid, 555 efi_parts[i].efi_gpe_UniquePartitionGUID); 556 } 557 free(efi); 558 559 return (dki_info.dki_partition); 560 } 561 562 static void 563 hardware_workarounds(int *slot, int *active) 564 { 565 smbios_struct_t s_sys, s_mb; 566 smbios_info_t sys, mb; 567 smbios_hdl_t *shp; 568 char buf[0x400]; 569 FILE *fp; 570 int err; 571 572 if ((fp = fopen(EFI_FIXES_DB, "rF")) == NULL) 573 return; 574 575 if ((shp = smbios_open(NULL, SMB_VERSION, 0, &err)) == NULL) { 576 if (efi_debug) 577 (void) fprintf(stderr, 578 "libefi failed to load SMBIOS: %s\n", 579 smbios_errmsg(err)); 580 (void) fclose(fp); 581 return; 582 } 583 584 if (smbios_lookup_type(shp, SMB_TYPE_SYSTEM, &s_sys) == SMB_ERR || 585 smbios_info_common(shp, s_sys.smbstr_id, &sys) == SMB_ERR) 586 (void) memset(&sys, '\0', sizeof (sys)); 587 if (smbios_lookup_type(shp, SMB_TYPE_BASEBOARD, &s_mb) == SMB_ERR || 588 smbios_info_common(shp, s_mb.smbstr_id, &mb) == SMB_ERR) 589 (void) memset(&mb, '\0', sizeof (mb)); 590 591 while (fgets(buf, sizeof (buf), fp) != NULL) { 592 char *tok, *val, *end; 593 594 tok = buf + strspn(buf, " \t"); 595 if (*tok == '#') 596 continue; 597 while (*tok != '\0') { 598 tok += strspn(tok, " \t"); 599 if ((val = strchr(tok, '=')) == NULL) 600 break; 601 *val++ = '\0'; 602 if (*val == '"') 603 end = strchr(++val, '"'); 604 else 605 end = strpbrk(val, " \t\n"); 606 if (end == NULL) 607 break; 608 *end++ = '\0'; 609 610 if (strcmp(tok, "sys.manufacturer") == 0 && 611 (sys.smbi_manufacturer == NULL || 612 strcasecmp(val, sys.smbi_manufacturer))) 613 break; 614 if (strcmp(tok, "sys.product") == 0 && 615 (sys.smbi_product == NULL || 616 strcasecmp(val, sys.smbi_product))) 617 break; 618 if (strcmp(tok, "sys.version") == 0 && 619 (sys.smbi_version == NULL || 620 strcasecmp(val, sys.smbi_version))) 621 break; 622 if (strcmp(tok, "mb.manufacturer") == 0 && 623 (mb.smbi_manufacturer == NULL || 624 strcasecmp(val, mb.smbi_manufacturer))) 625 break; 626 if (strcmp(tok, "mb.product") == 0 && 627 (mb.smbi_product == NULL || 628 strcasecmp(val, mb.smbi_product))) 629 break; 630 if (strcmp(tok, "mb.version") == 0 && 631 (mb.smbi_version == NULL || 632 strcasecmp(val, mb.smbi_version))) 633 break; 634 635 if (strcmp(tok, "pmbr_slot") == 0) { 636 *slot = atoi(val); 637 if (*slot < 0 || *slot > 3) 638 *slot = 0; 639 if (efi_debug) 640 (void) fprintf(stderr, 641 "Using slot %d\n", *slot); 642 } 643 644 if (strcmp(tok, "pmbr_active") == 0) { 645 *active = atoi(val); 646 if (*active < 0 || *active > 1) 647 *active = 0; 648 if (efi_debug) 649 (void) fprintf(stderr, 650 "Using active %d\n", *active); 651 } 652 653 tok = end; 654 } 655 } 656 (void) fclose(fp); 657 smbios_close(shp); 658 } 659 660 /* writes a "protective" MBR */ 661 static int 662 write_pmbr(int fd, struct dk_gpt *vtoc) 663 { 664 dk_efi_t dk_ioc; 665 struct mboot mb; 666 uchar_t *cp; 667 diskaddr_t size_in_lba; 668 uchar_t *buf; 669 int len, slot, active; 670 671 slot = active = 0; 672 673 hardware_workarounds(&slot, &active); 674 675 len = (vtoc->efi_lbasize == 0) ? sizeof (mb) : vtoc->efi_lbasize; 676 buf = calloc(len, 1); 677 678 /* 679 * Preserve any boot code and disk signature if the first block is 680 * already an MBR. 681 */ 682 dk_ioc.dki_lba = 0; 683 dk_ioc.dki_length = len; 684 /* LINTED -- always longlong aligned */ 685 dk_ioc.dki_data = (efi_gpt_t *)buf; 686 if (efi_ioctl(fd, DKIOCGETEFI, &dk_ioc) == -1) { 687 (void) memcpy(&mb, buf, sizeof (mb)); 688 bzero(&mb, sizeof (mb)); 689 mb.signature = LE_16(MBB_MAGIC); 690 } else { 691 (void) memcpy(&mb, buf, sizeof (mb)); 692 if (mb.signature != LE_16(MBB_MAGIC)) { 693 bzero(&mb, sizeof (mb)); 694 mb.signature = LE_16(MBB_MAGIC); 695 } 696 } 697 698 bzero(&mb.parts, sizeof (mb.parts)); 699 cp = (uchar_t *)&mb.parts[slot * sizeof (struct ipart)]; 700 /* bootable or not */ 701 *cp++ = active ? ACTIVE : NOTACTIVE; 702 /* beginning CHS; 0xffffff if not representable */ 703 *cp++ = 0xff; 704 *cp++ = 0xff; 705 *cp++ = 0xff; 706 /* OS type */ 707 *cp++ = EFI_PMBR; 708 /* ending CHS; 0xffffff if not representable */ 709 *cp++ = 0xff; 710 *cp++ = 0xff; 711 *cp++ = 0xff; 712 /* starting LBA: 1 (little endian format) by EFI definition */ 713 *cp++ = 0x01; 714 *cp++ = 0x00; 715 *cp++ = 0x00; 716 *cp++ = 0x00; 717 /* ending LBA: last block on the disk (little endian format) */ 718 size_in_lba = vtoc->efi_last_lba; 719 if (size_in_lba < 0xffffffff) { 720 *cp++ = (size_in_lba & 0x000000ff); 721 *cp++ = (size_in_lba & 0x0000ff00) >> 8; 722 *cp++ = (size_in_lba & 0x00ff0000) >> 16; 723 *cp++ = (size_in_lba & 0xff000000) >> 24; 724 } else { 725 *cp++ = 0xff; 726 *cp++ = 0xff; 727 *cp++ = 0xff; 728 *cp++ = 0xff; 729 } 730 731 (void) memcpy(buf, &mb, sizeof (mb)); 732 /* LINTED -- always longlong aligned */ 733 dk_ioc.dki_data = (efi_gpt_t *)buf; 734 dk_ioc.dki_lba = 0; 735 dk_ioc.dki_length = len; 736 if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 737 free(buf); 738 switch (errno) { 739 case EIO: 740 return (VT_EIO); 741 case EINVAL: 742 return (VT_EINVAL); 743 default: 744 return (VT_ERROR); 745 } 746 } 747 free(buf); 748 return (0); 749 } 750 751 /* make sure the user specified something reasonable */ 752 static int 753 check_input(struct dk_gpt *vtoc) 754 { 755 int resv_part = -1; 756 int i, j; 757 diskaddr_t istart, jstart, isize, jsize, endsect; 758 759 /* 760 * Sanity-check the input (make sure no partitions overlap) 761 */ 762 for (i = 0; i < vtoc->efi_nparts; i++) { 763 /* It can't be unassigned and have an actual size */ 764 if ((vtoc->efi_parts[i].p_tag == V_UNASSIGNED) && 765 (vtoc->efi_parts[i].p_size != 0)) { 766 if (efi_debug) { 767 (void) fprintf(stderr, 768 "partition %d is \"unassigned\" but has a size of %llu", 769 i, 770 vtoc->efi_parts[i].p_size); 771 } 772 return (VT_EINVAL); 773 } 774 if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) { 775 if (uuid_is_null((uchar_t *)&vtoc->efi_parts[i].p_guid)) 776 continue; 777 /* we have encountered an unknown uuid */ 778 vtoc->efi_parts[i].p_tag = 0xff; 779 } 780 if (vtoc->efi_parts[i].p_tag == V_RESERVED) { 781 if (resv_part != -1) { 782 if (efi_debug) { 783 (void) fprintf(stderr, 784 "found duplicate reserved partition at %d\n", 785 i); 786 } 787 return (VT_EINVAL); 788 } 789 resv_part = i; 790 } 791 if ((vtoc->efi_parts[i].p_start < vtoc->efi_first_u_lba) || 792 (vtoc->efi_parts[i].p_start > vtoc->efi_last_u_lba)) { 793 if (efi_debug) { 794 (void) fprintf(stderr, 795 "Partition %d starts at %llu. ", 796 i, 797 vtoc->efi_parts[i].p_start); 798 (void) fprintf(stderr, 799 "It must be between %llu and %llu.\n", 800 vtoc->efi_first_u_lba, 801 vtoc->efi_last_u_lba); 802 } 803 return (VT_EINVAL); 804 } 805 if ((vtoc->efi_parts[i].p_start + 806 vtoc->efi_parts[i].p_size < 807 vtoc->efi_first_u_lba) || 808 (vtoc->efi_parts[i].p_start + 809 vtoc->efi_parts[i].p_size > 810 vtoc->efi_last_u_lba + 1)) { 811 if (efi_debug) { 812 (void) fprintf(stderr, 813 "Partition %d ends at %llu. ", 814 i, 815 vtoc->efi_parts[i].p_start + 816 vtoc->efi_parts[i].p_size); 817 (void) fprintf(stderr, 818 "It must be between %llu and %llu.\n", 819 vtoc->efi_first_u_lba, 820 vtoc->efi_last_u_lba); 821 } 822 return (VT_EINVAL); 823 } 824 825 for (j = 0; j < vtoc->efi_nparts; j++) { 826 isize = vtoc->efi_parts[i].p_size; 827 jsize = vtoc->efi_parts[j].p_size; 828 istart = vtoc->efi_parts[i].p_start; 829 jstart = vtoc->efi_parts[j].p_start; 830 if ((i != j) && (isize != 0) && (jsize != 0)) { 831 endsect = jstart + jsize -1; 832 if ((jstart <= istart) && 833 (istart <= endsect)) { 834 if (efi_debug) { 835 (void) fprintf(stderr, 836 "Partition %d overlaps partition %d.", 837 i, j); 838 } 839 return (VT_EINVAL); 840 } 841 } 842 } 843 } 844 /* just a warning for now */ 845 if ((resv_part == -1) && efi_debug) { 846 (void) fprintf(stderr, 847 "no reserved partition found\n"); 848 } 849 return (0); 850 } 851 852 /* 853 * add all the unallocated space to the current label 854 */ 855 int 856 efi_use_whole_disk(int fd) 857 { 858 struct dk_gpt *efi_label; 859 int rval; 860 int i; 861 uint_t phy_last_slice = 0; 862 diskaddr_t pl_start = 0; 863 diskaddr_t pl_size; 864 865 rval = efi_alloc_and_read(fd, &efi_label); 866 if (rval < 0) { 867 return (rval); 868 } 869 870 /* find the last physically non-zero partition */ 871 for (i = 0; i < efi_label->efi_nparts - 2; i ++) { 872 if (pl_start < efi_label->efi_parts[i].p_start) { 873 pl_start = efi_label->efi_parts[i].p_start; 874 phy_last_slice = i; 875 } 876 } 877 pl_size = efi_label->efi_parts[phy_last_slice].p_size; 878 879 /* 880 * If alter_lba is 1, we are using the backup label. 881 * Since we can locate the backup label by disk capacity, 882 * there must be no unallocated space. 883 */ 884 if ((efi_label->efi_altern_lba == 1) || (efi_label->efi_altern_lba 885 >= efi_label->efi_last_lba)) { 886 if (efi_debug) { 887 (void) fprintf(stderr, 888 "efi_use_whole_disk: requested space not found\n"); 889 } 890 efi_free(efi_label); 891 return (VT_ENOSPC); 892 } 893 894 /* 895 * If there is space between the last physically non-zero partition 896 * and the reserved partition, just add the unallocated space to this 897 * area. Otherwise, the unallocated space is added to the last 898 * physically non-zero partition. 899 */ 900 if (pl_start + pl_size - 1 == efi_label->efi_last_u_lba - 901 EFI_MIN_RESV_SIZE) { 902 efi_label->efi_parts[phy_last_slice].p_size += 903 efi_label->efi_last_lba - efi_label->efi_altern_lba; 904 } 905 906 /* 907 * Move the reserved partition. There is currently no data in 908 * here except fabricated devids (which get generated via 909 * efi_write()). So there is no need to copy data. 910 */ 911 efi_label->efi_parts[efi_label->efi_nparts - 1].p_start += 912 efi_label->efi_last_lba - efi_label->efi_altern_lba; 913 efi_label->efi_last_u_lba += efi_label->efi_last_lba 914 - efi_label->efi_altern_lba; 915 916 rval = efi_write(fd, efi_label); 917 if (rval < 0) { 918 if (efi_debug) { 919 (void) fprintf(stderr, 920 "efi_use_whole_disk:fail to write label, rval=%d\n", 921 rval); 922 } 923 efi_free(efi_label); 924 return (rval); 925 } 926 927 efi_free(efi_label); 928 return (0); 929 } 930 931 932 /* 933 * write EFI label and backup label 934 */ 935 int 936 efi_write(int fd, struct dk_gpt *vtoc) 937 { 938 dk_efi_t dk_ioc; 939 efi_gpt_t *efi; 940 efi_gpe_t *efi_parts; 941 int i, j; 942 struct dk_cinfo dki_info; 943 int nblocks; 944 diskaddr_t lba_backup_gpt_hdr; 945 946 if (ioctl(fd, DKIOCINFO, (caddr_t)&dki_info) == -1) { 947 if (efi_debug) 948 (void) fprintf(stderr, "DKIOCINFO errno 0x%x\n", errno); 949 switch (errno) { 950 case EIO: 951 return (VT_EIO); 952 case EINVAL: 953 return (VT_EINVAL); 954 default: 955 return (VT_ERROR); 956 } 957 } 958 959 if (check_input(vtoc)) 960 return (VT_EINVAL); 961 962 dk_ioc.dki_lba = 1; 963 if (NBLOCKS(vtoc->efi_nparts, vtoc->efi_lbasize) < 34) { 964 dk_ioc.dki_length = EFI_MIN_ARRAY_SIZE + vtoc->efi_lbasize; 965 } else { 966 dk_ioc.dki_length = NBLOCKS(vtoc->efi_nparts, 967 vtoc->efi_lbasize) * 968 vtoc->efi_lbasize; 969 } 970 971 /* 972 * the number of blocks occupied by GUID partition entry array 973 */ 974 nblocks = dk_ioc.dki_length / vtoc->efi_lbasize - 1; 975 976 /* 977 * Backup GPT header is located on the block after GUID 978 * partition entry array. Here, we calculate the address 979 * for backup GPT header. 980 */ 981 lba_backup_gpt_hdr = vtoc->efi_last_u_lba + 1 + nblocks; 982 if ((dk_ioc.dki_data = calloc(dk_ioc.dki_length, 1)) == NULL) 983 return (VT_ERROR); 984 985 efi = dk_ioc.dki_data; 986 987 /* stuff user's input into EFI struct */ 988 efi->efi_gpt_Signature = LE_64(EFI_SIGNATURE); 989 efi->efi_gpt_Revision = LE_32(vtoc->efi_version); /* 0x02000100 */ 990 efi->efi_gpt_HeaderSize = LE_32(sizeof (struct efi_gpt)); 991 efi->efi_gpt_Reserved1 = 0; 992 efi->efi_gpt_MyLBA = LE_64(1ULL); 993 efi->efi_gpt_AlternateLBA = LE_64(lba_backup_gpt_hdr); 994 efi->efi_gpt_FirstUsableLBA = LE_64(vtoc->efi_first_u_lba); 995 efi->efi_gpt_LastUsableLBA = LE_64(vtoc->efi_last_u_lba); 996 efi->efi_gpt_PartitionEntryLBA = LE_64(2ULL); 997 efi->efi_gpt_NumberOfPartitionEntries = LE_32(vtoc->efi_nparts); 998 efi->efi_gpt_SizeOfPartitionEntry = LE_32(sizeof (struct efi_gpe)); 999 UUID_LE_CONVERT(efi->efi_gpt_DiskGUID, vtoc->efi_disk_uguid); 1000 1001 /* LINTED -- always longlong aligned */ 1002 efi_parts = (efi_gpe_t *)((char *)dk_ioc.dki_data + vtoc->efi_lbasize); 1003 1004 for (i = 0; i < vtoc->efi_nparts; i++) { 1005 for (j = 0; 1006 j < sizeof (conversion_array) / 1007 sizeof (struct uuid_to_ptag); j++) { 1008 1009 if (vtoc->efi_parts[i].p_tag == j) { 1010 UUID_LE_CONVERT( 1011 efi_parts[i].efi_gpe_PartitionTypeGUID, 1012 conversion_array[j].uuid); 1013 break; 1014 } 1015 } 1016 1017 if (j == sizeof (conversion_array) / 1018 sizeof (struct uuid_to_ptag)) { 1019 /* 1020 * If we didn't have a matching uuid match, bail here. 1021 * Don't write a label with unknown uuid. 1022 */ 1023 if (efi_debug) { 1024 (void) fprintf(stderr, 1025 "Unknown uuid for p_tag %d\n", 1026 vtoc->efi_parts[i].p_tag); 1027 } 1028 return (VT_EINVAL); 1029 } 1030 1031 efi_parts[i].efi_gpe_StartingLBA = 1032 LE_64(vtoc->efi_parts[i].p_start); 1033 efi_parts[i].efi_gpe_EndingLBA = 1034 LE_64(vtoc->efi_parts[i].p_start + 1035 vtoc->efi_parts[i].p_size - 1); 1036 efi_parts[i].efi_gpe_Attributes.PartitionAttrs = 1037 LE_16(vtoc->efi_parts[i].p_flag); 1038 for (j = 0; j < EFI_PART_NAME_LEN; j++) { 1039 efi_parts[i].efi_gpe_PartitionName[j] = 1040 LE_16((ushort_t)vtoc->efi_parts[i].p_name[j]); 1041 } 1042 if ((vtoc->efi_parts[i].p_tag != V_UNASSIGNED) && 1043 uuid_is_null((uchar_t *)&vtoc->efi_parts[i].p_uguid)) { 1044 (void) uuid_generate((uchar_t *) 1045 &vtoc->efi_parts[i].p_uguid); 1046 } 1047 bcopy(&vtoc->efi_parts[i].p_uguid, 1048 &efi_parts[i].efi_gpe_UniquePartitionGUID, 1049 sizeof (uuid_t)); 1050 } 1051 efi->efi_gpt_PartitionEntryArrayCRC32 = 1052 LE_32(efi_crc32((unsigned char *)efi_parts, 1053 vtoc->efi_nparts * (int)sizeof (struct efi_gpe))); 1054 efi->efi_gpt_HeaderCRC32 = 1055 LE_32(efi_crc32((unsigned char *)efi, sizeof (struct efi_gpt))); 1056 1057 if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 1058 free(dk_ioc.dki_data); 1059 switch (errno) { 1060 case EIO: 1061 return (VT_EIO); 1062 case EINVAL: 1063 return (VT_EINVAL); 1064 default: 1065 return (VT_ERROR); 1066 } 1067 } 1068 1069 /* write backup partition array */ 1070 dk_ioc.dki_lba = vtoc->efi_last_u_lba + 1; 1071 dk_ioc.dki_length -= vtoc->efi_lbasize; 1072 /* LINTED */ 1073 dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data + 1074 vtoc->efi_lbasize); 1075 1076 if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 1077 /* 1078 * we wrote the primary label okay, so don't fail 1079 */ 1080 if (efi_debug) { 1081 (void) fprintf(stderr, 1082 "write of backup partitions to block %llu " 1083 "failed, errno %d\n", 1084 vtoc->efi_last_u_lba + 1, 1085 errno); 1086 } 1087 } 1088 /* 1089 * now swap MyLBA and AlternateLBA fields and write backup 1090 * partition table header 1091 */ 1092 dk_ioc.dki_lba = lba_backup_gpt_hdr; 1093 dk_ioc.dki_length = vtoc->efi_lbasize; 1094 /* LINTED */ 1095 dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data - 1096 vtoc->efi_lbasize); 1097 efi->efi_gpt_AlternateLBA = LE_64(1ULL); 1098 efi->efi_gpt_MyLBA = LE_64(lba_backup_gpt_hdr); 1099 efi->efi_gpt_PartitionEntryLBA = LE_64(vtoc->efi_last_u_lba + 1); 1100 efi->efi_gpt_HeaderCRC32 = 0; 1101 efi->efi_gpt_HeaderCRC32 = 1102 LE_32(efi_crc32((unsigned char *)dk_ioc.dki_data, 1103 sizeof (struct efi_gpt))); 1104 1105 if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 1106 if (efi_debug) { 1107 (void) fprintf(stderr, 1108 "write of backup header to block %llu failed, " 1109 "errno %d\n", 1110 lba_backup_gpt_hdr, 1111 errno); 1112 } 1113 } 1114 /* write the PMBR */ 1115 (void) write_pmbr(fd, vtoc); 1116 free(dk_ioc.dki_data); 1117 return (0); 1118 } 1119 1120 void 1121 efi_free(struct dk_gpt *ptr) 1122 { 1123 free(ptr); 1124 } 1125 1126 /* 1127 * Input: File descriptor 1128 * Output: 1 if disk has an EFI label, or > 2TB with no VTOC or legacy MBR. 1129 * Otherwise 0. 1130 */ 1131 int 1132 efi_type(int fd) 1133 { 1134 struct vtoc vtoc; 1135 struct extvtoc extvtoc; 1136 1137 if (ioctl(fd, DKIOCGEXTVTOC, &extvtoc) == -1) { 1138 if (errno == ENOTSUP) 1139 return (1); 1140 else if (errno == ENOTTY) { 1141 if (ioctl(fd, DKIOCGVTOC, &vtoc) == -1) 1142 if (errno == ENOTSUP) 1143 return (1); 1144 } 1145 } 1146 return (0); 1147 } 1148 1149 void 1150 efi_err_check(struct dk_gpt *vtoc) 1151 { 1152 int resv_part = -1; 1153 int i, j; 1154 diskaddr_t istart, jstart, isize, jsize, endsect; 1155 int overlap = 0; 1156 1157 /* 1158 * make sure no partitions overlap 1159 */ 1160 for (i = 0; i < vtoc->efi_nparts; i++) { 1161 /* It can't be unassigned and have an actual size */ 1162 if ((vtoc->efi_parts[i].p_tag == V_UNASSIGNED) && 1163 (vtoc->efi_parts[i].p_size != 0)) { 1164 (void) fprintf(stderr, 1165 "partition %d is \"unassigned\" but has a size " 1166 "of %llu\n", i, vtoc->efi_parts[i].p_size); 1167 } 1168 if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) { 1169 continue; 1170 } 1171 if (vtoc->efi_parts[i].p_tag == V_RESERVED) { 1172 if (resv_part != -1) { 1173 (void) fprintf(stderr, 1174 "found duplicate reserved partition at " 1175 "%d\n", i); 1176 } 1177 resv_part = i; 1178 if (vtoc->efi_parts[i].p_size != EFI_MIN_RESV_SIZE) 1179 (void) fprintf(stderr, 1180 "Warning: reserved partition size must " 1181 "be %d sectors\n", EFI_MIN_RESV_SIZE); 1182 } 1183 if ((vtoc->efi_parts[i].p_start < vtoc->efi_first_u_lba) || 1184 (vtoc->efi_parts[i].p_start > vtoc->efi_last_u_lba)) { 1185 (void) fprintf(stderr, 1186 "Partition %d starts at %llu\n", 1187 i, 1188 vtoc->efi_parts[i].p_start); 1189 (void) fprintf(stderr, 1190 "It must be between %llu and %llu.\n", 1191 vtoc->efi_first_u_lba, 1192 vtoc->efi_last_u_lba); 1193 } 1194 if ((vtoc->efi_parts[i].p_start + 1195 vtoc->efi_parts[i].p_size < 1196 vtoc->efi_first_u_lba) || 1197 (vtoc->efi_parts[i].p_start + 1198 vtoc->efi_parts[i].p_size > 1199 vtoc->efi_last_u_lba + 1)) { 1200 (void) fprintf(stderr, 1201 "Partition %d ends at %llu\n", 1202 i, 1203 vtoc->efi_parts[i].p_start + 1204 vtoc->efi_parts[i].p_size); 1205 (void) fprintf(stderr, 1206 "It must be between %llu and %llu.\n", 1207 vtoc->efi_first_u_lba, 1208 vtoc->efi_last_u_lba); 1209 } 1210 1211 for (j = 0; j < vtoc->efi_nparts; j++) { 1212 isize = vtoc->efi_parts[i].p_size; 1213 jsize = vtoc->efi_parts[j].p_size; 1214 istart = vtoc->efi_parts[i].p_start; 1215 jstart = vtoc->efi_parts[j].p_start; 1216 if ((i != j) && (isize != 0) && (jsize != 0)) { 1217 endsect = jstart + jsize -1; 1218 if ((jstart <= istart) && 1219 (istart <= endsect)) { 1220 if (!overlap) { 1221 (void) fprintf(stderr, 1222 "label error: EFI Labels do not " 1223 "support overlapping partitions\n"); 1224 } 1225 (void) fprintf(stderr, 1226 "Partition %d overlaps partition " 1227 "%d.\n", i, j); 1228 overlap = 1; 1229 } 1230 } 1231 } 1232 } 1233 /* make sure there is a reserved partition */ 1234 if (resv_part == -1) { 1235 (void) fprintf(stderr, 1236 "no reserved partition found\n"); 1237 } 1238 } 1239 1240 /* 1241 * We need to get information necessary to construct a *new* efi 1242 * label type 1243 */ 1244 int 1245 efi_auto_sense(int fd, struct dk_gpt **vtoc) 1246 { 1247 1248 int i; 1249 1250 /* 1251 * Now build the default partition table 1252 */ 1253 if (efi_alloc_and_init(fd, EFI_NUMPAR, vtoc) != 0) { 1254 if (efi_debug) { 1255 (void) fprintf(stderr, "efi_alloc_and_init failed.\n"); 1256 } 1257 return (-1); 1258 } 1259 1260 for (i = 0; i < min((*vtoc)->efi_nparts, V_NUMPAR); i++) { 1261 (*vtoc)->efi_parts[i].p_tag = default_vtoc_map[i].p_tag; 1262 (*vtoc)->efi_parts[i].p_flag = default_vtoc_map[i].p_flag; 1263 (*vtoc)->efi_parts[i].p_start = 0; 1264 (*vtoc)->efi_parts[i].p_size = 0; 1265 } 1266 /* 1267 * Make constants first 1268 * and variable partitions later 1269 */ 1270 1271 /* root partition - s0 128 MB */ 1272 (*vtoc)->efi_parts[0].p_start = 34; 1273 (*vtoc)->efi_parts[0].p_size = 262144; 1274 1275 /* partition - s1 128 MB */ 1276 (*vtoc)->efi_parts[1].p_start = 262178; 1277 (*vtoc)->efi_parts[1].p_size = 262144; 1278 1279 /* partition -s2 is NOT the Backup disk */ 1280 (*vtoc)->efi_parts[2].p_tag = V_UNASSIGNED; 1281 1282 /* partition -s6 /usr partition - HOG */ 1283 (*vtoc)->efi_parts[6].p_start = 524322; 1284 (*vtoc)->efi_parts[6].p_size = (*vtoc)->efi_last_u_lba - 524322 1285 - (1024 * 16); 1286 1287 /* efi reserved partition - s9 16K */ 1288 (*vtoc)->efi_parts[8].p_start = (*vtoc)->efi_last_u_lba - (1024 * 16); 1289 (*vtoc)->efi_parts[8].p_size = (1024 * 16); 1290 (*vtoc)->efi_parts[8].p_tag = V_RESERVED; 1291 return (0); 1292 } 1293