17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 54f0dea16Scg * Common Development and Distribution License (the "License"). 64f0dea16Scg * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 21*342440ecSPrasad Singamsetty 227c478bd9Sstevel@tonic-gate /* 23af007057Syl * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate #include <stdio.h> 287c478bd9Sstevel@tonic-gate #include <stdlib.h> 297c478bd9Sstevel@tonic-gate #include <errno.h> 307c478bd9Sstevel@tonic-gate #include <strings.h> 317c478bd9Sstevel@tonic-gate #include <unistd.h> 327c478bd9Sstevel@tonic-gate #include <uuid/uuid.h> 337c478bd9Sstevel@tonic-gate #include <libintl.h> 347c478bd9Sstevel@tonic-gate #include <sys/types.h> 357c478bd9Sstevel@tonic-gate #include <sys/dkio.h> 367c478bd9Sstevel@tonic-gate #include <sys/vtoc.h> 377c478bd9Sstevel@tonic-gate #include <sys/mhd.h> 387c478bd9Sstevel@tonic-gate #include <sys/param.h> 397c478bd9Sstevel@tonic-gate #include <sys/dktp/fdisk.h> 407c478bd9Sstevel@tonic-gate #include <sys/efi_partition.h> 417c478bd9Sstevel@tonic-gate #include <sys/byteorder.h> 427c478bd9Sstevel@tonic-gate #include <sys/ddi.h> 437c478bd9Sstevel@tonic-gate 447c478bd9Sstevel@tonic-gate static struct uuid_to_ptag { 457c478bd9Sstevel@tonic-gate struct uuid uuid; 467c478bd9Sstevel@tonic-gate } conversion_array[] = { 477c478bd9Sstevel@tonic-gate { EFI_UNUSED }, 487c478bd9Sstevel@tonic-gate { EFI_BOOT }, 497c478bd9Sstevel@tonic-gate { EFI_ROOT }, 507c478bd9Sstevel@tonic-gate { EFI_SWAP }, 517c478bd9Sstevel@tonic-gate { EFI_USR }, 527c478bd9Sstevel@tonic-gate { EFI_BACKUP }, 537c478bd9Sstevel@tonic-gate { 0 }, /* STAND is never used */ 547c478bd9Sstevel@tonic-gate { EFI_VAR }, 557c478bd9Sstevel@tonic-gate { EFI_HOME }, 567c478bd9Sstevel@tonic-gate { EFI_ALTSCTR }, 577c478bd9Sstevel@tonic-gate { 0 }, /* CACHE (cachefs) is never used */ 587c478bd9Sstevel@tonic-gate { EFI_RESERVED }, 597c478bd9Sstevel@tonic-gate { EFI_SYSTEM }, 607c478bd9Sstevel@tonic-gate { EFI_LEGACY_MBR }, 617c478bd9Sstevel@tonic-gate { EFI_RESV3 }, 627c478bd9Sstevel@tonic-gate { EFI_RESV4 }, 637c478bd9Sstevel@tonic-gate { EFI_MSFT_RESV }, 647c478bd9Sstevel@tonic-gate { EFI_DELL_BASIC }, 657c478bd9Sstevel@tonic-gate { EFI_DELL_RAID }, 667c478bd9Sstevel@tonic-gate { EFI_DELL_SWAP }, 677c478bd9Sstevel@tonic-gate { EFI_DELL_LVM }, 68f2be5148Sszhou { EFI_DELL_RESV }, 69f2be5148Sszhou { EFI_AAPL_HFS }, 70f2be5148Sszhou { EFI_AAPL_UFS } 717c478bd9Sstevel@tonic-gate }; 727c478bd9Sstevel@tonic-gate 737c478bd9Sstevel@tonic-gate /* 747c478bd9Sstevel@tonic-gate * Default vtoc information for non-SVr4 partitions 757c478bd9Sstevel@tonic-gate */ 767c478bd9Sstevel@tonic-gate struct dk_map2 default_vtoc_map[NDKMAP] = { 777c478bd9Sstevel@tonic-gate { V_ROOT, 0 }, /* a - 0 */ 787c478bd9Sstevel@tonic-gate { V_SWAP, V_UNMNT }, /* b - 1 */ 797c478bd9Sstevel@tonic-gate { V_BACKUP, V_UNMNT }, /* c - 2 */ 807c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* d - 3 */ 817c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* e - 4 */ 827c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* f - 5 */ 837c478bd9Sstevel@tonic-gate { V_USR, 0 }, /* g - 6 */ 847c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* h - 7 */ 857c478bd9Sstevel@tonic-gate 867c478bd9Sstevel@tonic-gate #if defined(_SUNOS_VTOC_16) 877c478bd9Sstevel@tonic-gate 887c478bd9Sstevel@tonic-gate #if defined(i386) || defined(__amd64) 897c478bd9Sstevel@tonic-gate { V_BOOT, V_UNMNT }, /* i - 8 */ 907c478bd9Sstevel@tonic-gate { V_ALTSCTR, 0 }, /* j - 9 */ 917c478bd9Sstevel@tonic-gate 927c478bd9Sstevel@tonic-gate #else 937c478bd9Sstevel@tonic-gate #error No VTOC format defined. 947c478bd9Sstevel@tonic-gate #endif /* defined(i386) */ 957c478bd9Sstevel@tonic-gate 967c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* k - 10 */ 977c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* l - 11 */ 987c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* m - 12 */ 997c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* n - 13 */ 1007c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* o - 14 */ 1017c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* p - 15 */ 1027c478bd9Sstevel@tonic-gate #endif /* defined(_SUNOS_VTOC_16) */ 1037c478bd9Sstevel@tonic-gate }; 1047c478bd9Sstevel@tonic-gate 1057c478bd9Sstevel@tonic-gate #ifdef DEBUG 1067c478bd9Sstevel@tonic-gate int efi_debug = 1; 1077c478bd9Sstevel@tonic-gate #else 1087c478bd9Sstevel@tonic-gate int efi_debug = 0; 1097c478bd9Sstevel@tonic-gate #endif 1107c478bd9Sstevel@tonic-gate 1117c478bd9Sstevel@tonic-gate extern unsigned int efi_crc32(const unsigned char *, unsigned int); 1127c478bd9Sstevel@tonic-gate static int efi_read(int, struct dk_gpt *); 1137c478bd9Sstevel@tonic-gate 1147c478bd9Sstevel@tonic-gate static int 1157c478bd9Sstevel@tonic-gate read_disk_info(int fd, diskaddr_t *capacity, uint_t *lbsize) 1167c478bd9Sstevel@tonic-gate { 1177c478bd9Sstevel@tonic-gate struct dk_minfo disk_info; 1187c478bd9Sstevel@tonic-gate 1197c478bd9Sstevel@tonic-gate if ((ioctl(fd, DKIOCGMEDIAINFO, (caddr_t)&disk_info)) == -1) 1207c478bd9Sstevel@tonic-gate return (errno); 1217c478bd9Sstevel@tonic-gate *capacity = disk_info.dki_capacity; 1227c478bd9Sstevel@tonic-gate *lbsize = disk_info.dki_lbsize; 1237c478bd9Sstevel@tonic-gate return (0); 1247c478bd9Sstevel@tonic-gate } 1257c478bd9Sstevel@tonic-gate 1267c478bd9Sstevel@tonic-gate /* 1277c478bd9Sstevel@tonic-gate * the number of blocks the EFI label takes up (round up to nearest 1287c478bd9Sstevel@tonic-gate * block) 1297c478bd9Sstevel@tonic-gate */ 1307c478bd9Sstevel@tonic-gate #define NBLOCKS(p, l) (1 + ((((p) * (int)sizeof (efi_gpe_t)) + \ 1317c478bd9Sstevel@tonic-gate ((l) - 1)) / (l))) 1327c478bd9Sstevel@tonic-gate /* number of partitions -- limited by what we can malloc */ 1337c478bd9Sstevel@tonic-gate #define MAX_PARTS ((4294967295UL - sizeof (struct dk_gpt)) / \ 1347c478bd9Sstevel@tonic-gate sizeof (struct dk_part)) 1357c478bd9Sstevel@tonic-gate 1367c478bd9Sstevel@tonic-gate int 1377c478bd9Sstevel@tonic-gate efi_alloc_and_init(int fd, uint32_t nparts, struct dk_gpt **vtoc) 1387c478bd9Sstevel@tonic-gate { 1397c478bd9Sstevel@tonic-gate diskaddr_t capacity; 1407c478bd9Sstevel@tonic-gate uint_t lbsize; 1417c478bd9Sstevel@tonic-gate uint_t nblocks; 1427c478bd9Sstevel@tonic-gate size_t length; 1437c478bd9Sstevel@tonic-gate struct dk_gpt *vptr; 1447c478bd9Sstevel@tonic-gate struct uuid uuid; 1457c478bd9Sstevel@tonic-gate 1467c478bd9Sstevel@tonic-gate if (read_disk_info(fd, &capacity, &lbsize) != 0) { 1477c478bd9Sstevel@tonic-gate if (efi_debug) 1487c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 1497c478bd9Sstevel@tonic-gate "couldn't read disk information\n"); 1507c478bd9Sstevel@tonic-gate return (-1); 1517c478bd9Sstevel@tonic-gate } 1527c478bd9Sstevel@tonic-gate 1537c478bd9Sstevel@tonic-gate nblocks = NBLOCKS(nparts, lbsize); 1547c478bd9Sstevel@tonic-gate if ((nblocks * lbsize) < EFI_MIN_ARRAY_SIZE + lbsize) { 1557c478bd9Sstevel@tonic-gate /* 16K plus one block for the GPT */ 1567c478bd9Sstevel@tonic-gate nblocks = EFI_MIN_ARRAY_SIZE / lbsize + 1; 1577c478bd9Sstevel@tonic-gate } 1587c478bd9Sstevel@tonic-gate 1597c478bd9Sstevel@tonic-gate if (nparts > MAX_PARTS) { 1607c478bd9Sstevel@tonic-gate if (efi_debug) { 1617c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 1627c478bd9Sstevel@tonic-gate "the maximum number of partitions supported is %lu\n", 1637c478bd9Sstevel@tonic-gate MAX_PARTS); 1647c478bd9Sstevel@tonic-gate } 1657c478bd9Sstevel@tonic-gate return (-1); 1667c478bd9Sstevel@tonic-gate } 1677c478bd9Sstevel@tonic-gate 1687c478bd9Sstevel@tonic-gate length = sizeof (struct dk_gpt) + 1697c478bd9Sstevel@tonic-gate sizeof (struct dk_part) * (nparts - 1); 1707c478bd9Sstevel@tonic-gate 1717c478bd9Sstevel@tonic-gate if ((*vtoc = calloc(length, 1)) == NULL) 1727c478bd9Sstevel@tonic-gate return (-1); 1737c478bd9Sstevel@tonic-gate 1747c478bd9Sstevel@tonic-gate vptr = *vtoc; 1757c478bd9Sstevel@tonic-gate 1767c478bd9Sstevel@tonic-gate vptr->efi_version = EFI_VERSION_CURRENT; 1777c478bd9Sstevel@tonic-gate vptr->efi_lbasize = lbsize; 1787c478bd9Sstevel@tonic-gate vptr->efi_nparts = nparts; 1797c478bd9Sstevel@tonic-gate /* 1807c478bd9Sstevel@tonic-gate * add one block here for the PMBR; on disks with a 512 byte 1817c478bd9Sstevel@tonic-gate * block size and 128 or fewer partitions, efi_first_u_lba 1827c478bd9Sstevel@tonic-gate * should work out to "34" 1837c478bd9Sstevel@tonic-gate */ 1847c478bd9Sstevel@tonic-gate vptr->efi_first_u_lba = nblocks + 1; 1857c478bd9Sstevel@tonic-gate vptr->efi_last_lba = capacity - 1; 186af007057Syl vptr->efi_altern_lba = capacity -1; 1877c478bd9Sstevel@tonic-gate vptr->efi_last_u_lba = vptr->efi_last_lba - nblocks; 1887c478bd9Sstevel@tonic-gate (void) uuid_generate((uchar_t *)&uuid); 1897c478bd9Sstevel@tonic-gate UUID_LE_CONVERT(vptr->efi_disk_uguid, uuid); 1907c478bd9Sstevel@tonic-gate return (0); 1917c478bd9Sstevel@tonic-gate } 1927c478bd9Sstevel@tonic-gate 1937c478bd9Sstevel@tonic-gate /* 1947c478bd9Sstevel@tonic-gate * Read EFI - return partition number upon success. 1957c478bd9Sstevel@tonic-gate */ 1967c478bd9Sstevel@tonic-gate int 1977c478bd9Sstevel@tonic-gate efi_alloc_and_read(int fd, struct dk_gpt **vtoc) 1987c478bd9Sstevel@tonic-gate { 1997c478bd9Sstevel@tonic-gate int rval; 2007c478bd9Sstevel@tonic-gate uint32_t nparts; 2017c478bd9Sstevel@tonic-gate int length; 2027c478bd9Sstevel@tonic-gate 2037c478bd9Sstevel@tonic-gate /* figure out the number of entries that would fit into 16K */ 2047c478bd9Sstevel@tonic-gate nparts = EFI_MIN_ARRAY_SIZE / sizeof (efi_gpe_t); 2057c478bd9Sstevel@tonic-gate length = (int) sizeof (struct dk_gpt) + 206af007057Syl (int) sizeof (struct dk_part) * (nparts - 1); 2077c478bd9Sstevel@tonic-gate if ((*vtoc = calloc(length, 1)) == NULL) 2087c478bd9Sstevel@tonic-gate return (VT_ERROR); 2097c478bd9Sstevel@tonic-gate 2107c478bd9Sstevel@tonic-gate (*vtoc)->efi_nparts = nparts; 2117c478bd9Sstevel@tonic-gate rval = efi_read(fd, *vtoc); 2127c478bd9Sstevel@tonic-gate 2137c478bd9Sstevel@tonic-gate if ((rval == VT_EINVAL) && (*vtoc)->efi_nparts > nparts) { 2147c478bd9Sstevel@tonic-gate void *tmp; 2157c478bd9Sstevel@tonic-gate length = (int) sizeof (struct dk_gpt) + 216af007057Syl (int) sizeof (struct dk_part) * 217af007057Syl ((*vtoc)->efi_nparts - 1); 2187c478bd9Sstevel@tonic-gate nparts = (*vtoc)->efi_nparts; 2197c478bd9Sstevel@tonic-gate if ((tmp = realloc(*vtoc, length)) == NULL) { 2207c478bd9Sstevel@tonic-gate free (*vtoc); 2217c478bd9Sstevel@tonic-gate *vtoc = NULL; 2227c478bd9Sstevel@tonic-gate return (VT_ERROR); 2237c478bd9Sstevel@tonic-gate } else { 2247c478bd9Sstevel@tonic-gate *vtoc = tmp; 2257c478bd9Sstevel@tonic-gate rval = efi_read(fd, *vtoc); 2267c478bd9Sstevel@tonic-gate } 2277c478bd9Sstevel@tonic-gate } 2287c478bd9Sstevel@tonic-gate 2297c478bd9Sstevel@tonic-gate if (rval < 0) { 2307c478bd9Sstevel@tonic-gate if (efi_debug) { 2317c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 2327c478bd9Sstevel@tonic-gate "read of EFI table failed, rval=%d\n", rval); 2337c478bd9Sstevel@tonic-gate } 2347c478bd9Sstevel@tonic-gate free (*vtoc); 2357c478bd9Sstevel@tonic-gate *vtoc = NULL; 2367c478bd9Sstevel@tonic-gate } 2377c478bd9Sstevel@tonic-gate 2387c478bd9Sstevel@tonic-gate return (rval); 2397c478bd9Sstevel@tonic-gate } 2407c478bd9Sstevel@tonic-gate 2417c478bd9Sstevel@tonic-gate static int 2427c478bd9Sstevel@tonic-gate efi_ioctl(int fd, int cmd, dk_efi_t *dk_ioc) 2437c478bd9Sstevel@tonic-gate { 2447c478bd9Sstevel@tonic-gate void *data = dk_ioc->dki_data; 2457c478bd9Sstevel@tonic-gate int error; 2467c478bd9Sstevel@tonic-gate 2477c478bd9Sstevel@tonic-gate dk_ioc->dki_data_64 = (uint64_t)(uintptr_t)data; 2487c478bd9Sstevel@tonic-gate error = ioctl(fd, cmd, (void *)dk_ioc); 2497c478bd9Sstevel@tonic-gate dk_ioc->dki_data = data; 2507c478bd9Sstevel@tonic-gate 2517c478bd9Sstevel@tonic-gate return (error); 2527c478bd9Sstevel@tonic-gate } 2537c478bd9Sstevel@tonic-gate 2547c478bd9Sstevel@tonic-gate static int 2557c478bd9Sstevel@tonic-gate check_label(int fd, dk_efi_t *dk_ioc) 2567c478bd9Sstevel@tonic-gate { 2577c478bd9Sstevel@tonic-gate efi_gpt_t *efi; 2587c478bd9Sstevel@tonic-gate uint_t crc; 2597c478bd9Sstevel@tonic-gate 2607c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCGETEFI, dk_ioc) == -1) { 2617c478bd9Sstevel@tonic-gate switch (errno) { 2627c478bd9Sstevel@tonic-gate case EIO: 2637c478bd9Sstevel@tonic-gate return (VT_EIO); 2647c478bd9Sstevel@tonic-gate default: 2657c478bd9Sstevel@tonic-gate return (VT_ERROR); 2667c478bd9Sstevel@tonic-gate } 2677c478bd9Sstevel@tonic-gate } 2687c478bd9Sstevel@tonic-gate efi = dk_ioc->dki_data; 2697c478bd9Sstevel@tonic-gate if (efi->efi_gpt_Signature != LE_64(EFI_SIGNATURE)) { 2707c478bd9Sstevel@tonic-gate if (efi_debug) 2717c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 2727c478bd9Sstevel@tonic-gate "Bad EFI signature: 0x%llx != 0x%llx\n", 2737c478bd9Sstevel@tonic-gate (long long)efi->efi_gpt_Signature, 2747c478bd9Sstevel@tonic-gate (long long)LE_64(EFI_SIGNATURE)); 2757c478bd9Sstevel@tonic-gate return (VT_EINVAL); 2767c478bd9Sstevel@tonic-gate } 2777c478bd9Sstevel@tonic-gate 2787c478bd9Sstevel@tonic-gate /* 2797c478bd9Sstevel@tonic-gate * check CRC of the header; the size of the header should 2807c478bd9Sstevel@tonic-gate * never be larger than one block 2817c478bd9Sstevel@tonic-gate */ 2827c478bd9Sstevel@tonic-gate crc = efi->efi_gpt_HeaderCRC32; 2837c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 0; 2847c478bd9Sstevel@tonic-gate 2857c478bd9Sstevel@tonic-gate if (((len_t)LE_32(efi->efi_gpt_HeaderSize) > dk_ioc->dki_length) || 2867c478bd9Sstevel@tonic-gate crc != LE_32(efi_crc32((unsigned char *)efi, 2877c478bd9Sstevel@tonic-gate LE_32(efi->efi_gpt_HeaderSize)))) { 2887c478bd9Sstevel@tonic-gate if (efi_debug) 2897c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 290af007057Syl "Bad EFI CRC: 0x%x != 0x%x\n", 291af007057Syl crc, 292af007057Syl LE_32(efi_crc32((unsigned char *)efi, 293af007057Syl sizeof (struct efi_gpt)))); 2947c478bd9Sstevel@tonic-gate return (VT_EINVAL); 2957c478bd9Sstevel@tonic-gate } 2967c478bd9Sstevel@tonic-gate 2977c478bd9Sstevel@tonic-gate return (0); 2987c478bd9Sstevel@tonic-gate } 2997c478bd9Sstevel@tonic-gate 3007c478bd9Sstevel@tonic-gate static int 3017c478bd9Sstevel@tonic-gate efi_read(int fd, struct dk_gpt *vtoc) 3027c478bd9Sstevel@tonic-gate { 3037c478bd9Sstevel@tonic-gate int i, j; 3047c478bd9Sstevel@tonic-gate int label_len; 3057c478bd9Sstevel@tonic-gate int rval = 0; 3067c478bd9Sstevel@tonic-gate int md_flag = 0; 3077c478bd9Sstevel@tonic-gate struct dk_minfo disk_info; 3087c478bd9Sstevel@tonic-gate dk_efi_t dk_ioc; 3097c478bd9Sstevel@tonic-gate efi_gpt_t *efi; 3107c478bd9Sstevel@tonic-gate efi_gpe_t *efi_parts; 3117c478bd9Sstevel@tonic-gate struct dk_cinfo dki_info; 3127c478bd9Sstevel@tonic-gate uint32_t user_length; 31386bbaf93Scg boolean_t legacy_label = B_FALSE; 3147c478bd9Sstevel@tonic-gate 3157c478bd9Sstevel@tonic-gate /* 3167c478bd9Sstevel@tonic-gate * get the partition number for this file descriptor. 3177c478bd9Sstevel@tonic-gate */ 3187c478bd9Sstevel@tonic-gate if (ioctl(fd, DKIOCINFO, (caddr_t)&dki_info) == -1) { 319af007057Syl if (efi_debug) { 320af007057Syl (void) fprintf(stderr, "DKIOCINFO errno 0x%x\n", errno); 321af007057Syl } 3227c478bd9Sstevel@tonic-gate switch (errno) { 3237c478bd9Sstevel@tonic-gate case EIO: 3247c478bd9Sstevel@tonic-gate return (VT_EIO); 3257c478bd9Sstevel@tonic-gate case EINVAL: 3267c478bd9Sstevel@tonic-gate return (VT_EINVAL); 3277c478bd9Sstevel@tonic-gate default: 3287c478bd9Sstevel@tonic-gate return (VT_ERROR); 3297c478bd9Sstevel@tonic-gate } 3307c478bd9Sstevel@tonic-gate } 3317c478bd9Sstevel@tonic-gate if ((strncmp(dki_info.dki_cname, "pseudo", 7) == 0) && 3327c478bd9Sstevel@tonic-gate (strncmp(dki_info.dki_dname, "md", 3) == 0)) { 3337c478bd9Sstevel@tonic-gate md_flag++; 3347c478bd9Sstevel@tonic-gate } 3357c478bd9Sstevel@tonic-gate /* get the LBA size */ 3367c478bd9Sstevel@tonic-gate if (ioctl(fd, DKIOCGMEDIAINFO, (caddr_t)&disk_info) == -1) { 3377c478bd9Sstevel@tonic-gate if (efi_debug) { 3387c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 3397c478bd9Sstevel@tonic-gate "assuming LBA 512 bytes %d\n", 3407c478bd9Sstevel@tonic-gate errno); 3417c478bd9Sstevel@tonic-gate } 3427c478bd9Sstevel@tonic-gate disk_info.dki_lbsize = DEV_BSIZE; 3437c478bd9Sstevel@tonic-gate } 3447c478bd9Sstevel@tonic-gate if (disk_info.dki_lbsize == 0) { 3457c478bd9Sstevel@tonic-gate if (efi_debug) { 3467c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 3477c478bd9Sstevel@tonic-gate "efi_read: assuming LBA 512 bytes\n"); 3487c478bd9Sstevel@tonic-gate } 3497c478bd9Sstevel@tonic-gate disk_info.dki_lbsize = DEV_BSIZE; 3507c478bd9Sstevel@tonic-gate } 3517c478bd9Sstevel@tonic-gate /* 3527c478bd9Sstevel@tonic-gate * Read the EFI GPT to figure out how many partitions we need 3537c478bd9Sstevel@tonic-gate * to deal with. 3547c478bd9Sstevel@tonic-gate */ 3557c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = 1; 3567c478bd9Sstevel@tonic-gate if (NBLOCKS(vtoc->efi_nparts, disk_info.dki_lbsize) < 34) { 3577c478bd9Sstevel@tonic-gate label_len = EFI_MIN_ARRAY_SIZE + disk_info.dki_lbsize; 3587c478bd9Sstevel@tonic-gate } else { 3597c478bd9Sstevel@tonic-gate label_len = vtoc->efi_nparts * (int) sizeof (efi_gpe_t) + 360af007057Syl disk_info.dki_lbsize; 3617c478bd9Sstevel@tonic-gate if (label_len % disk_info.dki_lbsize) { 3627c478bd9Sstevel@tonic-gate /* pad to physical sector size */ 3637c478bd9Sstevel@tonic-gate label_len += disk_info.dki_lbsize; 3647c478bd9Sstevel@tonic-gate label_len &= ~(disk_info.dki_lbsize - 1); 3657c478bd9Sstevel@tonic-gate } 3667c478bd9Sstevel@tonic-gate } 3677c478bd9Sstevel@tonic-gate 3687c478bd9Sstevel@tonic-gate if ((dk_ioc.dki_data = calloc(label_len, 1)) == NULL) 3697c478bd9Sstevel@tonic-gate return (VT_ERROR); 3707c478bd9Sstevel@tonic-gate 371c7e1889fSyl dk_ioc.dki_length = disk_info.dki_lbsize; 3727c478bd9Sstevel@tonic-gate user_length = vtoc->efi_nparts; 3737c478bd9Sstevel@tonic-gate efi = dk_ioc.dki_data; 3747c478bd9Sstevel@tonic-gate if (md_flag) { 375c7e1889fSyl dk_ioc.dki_length = label_len; 3767c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCGETEFI, &dk_ioc) == -1) { 3777c478bd9Sstevel@tonic-gate switch (errno) { 3787c478bd9Sstevel@tonic-gate case EIO: 3797c478bd9Sstevel@tonic-gate return (VT_EIO); 3807c478bd9Sstevel@tonic-gate default: 3817c478bd9Sstevel@tonic-gate return (VT_ERROR); 3827c478bd9Sstevel@tonic-gate } 3837c478bd9Sstevel@tonic-gate } 3847c478bd9Sstevel@tonic-gate } else if ((rval = check_label(fd, &dk_ioc)) == VT_EINVAL) { 38586bbaf93Scg /* 38686bbaf93Scg * No valid label here; try the alternate. Note that here 38786bbaf93Scg * we just read GPT header and save it into dk_ioc.data, 38886bbaf93Scg * Later, we will read GUID partition entry array if we 38986bbaf93Scg * can get valid GPT header. 39086bbaf93Scg */ 39186bbaf93Scg 39286bbaf93Scg /* 39386bbaf93Scg * This is a workaround for legacy systems. In the past, the 39486bbaf93Scg * last sector of SCSI disk was invisible on x86 platform. At 39586bbaf93Scg * that time, backup label was saved on the next to the last 39686bbaf93Scg * sector. It is possible for users to move a disk from previous 39786bbaf93Scg * solaris system to present system. Here, we attempt to search 39886bbaf93Scg * legacy backup EFI label first. 39986bbaf93Scg */ 40086bbaf93Scg dk_ioc.dki_lba = disk_info.dki_capacity - 2; 4017c478bd9Sstevel@tonic-gate dk_ioc.dki_length = disk_info.dki_lbsize; 4024f0dea16Scg rval = check_label(fd, &dk_ioc); 40386bbaf93Scg if (rval == VT_EINVAL) { 4044f0dea16Scg /* 40586bbaf93Scg * we didn't find legacy backup EFI label, try to 40686bbaf93Scg * search backup EFI label in the last block. 4074f0dea16Scg */ 40886bbaf93Scg dk_ioc.dki_lba = disk_info.dki_capacity - 1; 4094f0dea16Scg dk_ioc.dki_length = disk_info.dki_lbsize; 4104f0dea16Scg rval = check_label(fd, &dk_ioc); 41186bbaf93Scg if (rval == 0) { 41286bbaf93Scg legacy_label = B_TRUE; 41386bbaf93Scg if (efi_debug) 41486bbaf93Scg (void) fprintf(stderr, 41586bbaf93Scg "efi_read: primary label corrupt; " 41686bbaf93Scg "using EFI backup label located on" 41786bbaf93Scg " the last block\n"); 4184f0dea16Scg } 41986bbaf93Scg } else { 42086bbaf93Scg if ((efi_debug) && (rval == 0)) 42186bbaf93Scg (void) fprintf(stderr, "efi_read: primary label" 42286bbaf93Scg " corrupt; using legacy EFI backup label " 42386bbaf93Scg " located on the next to last block\n"); 4244f0dea16Scg } 4254f0dea16Scg 4264f0dea16Scg if (rval == 0) { 4277c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = LE_64(efi->efi_gpt_PartitionEntryLBA); 4287c478bd9Sstevel@tonic-gate vtoc->efi_flags |= EFI_GPT_PRIMARY_CORRUPT; 4297c478bd9Sstevel@tonic-gate vtoc->efi_nparts = 4307c478bd9Sstevel@tonic-gate LE_32(efi->efi_gpt_NumberOfPartitionEntries); 43186bbaf93Scg 4327c478bd9Sstevel@tonic-gate /* 43386bbaf93Scg * Partition tables are between backup GPT header 43486bbaf93Scg * table and ParitionEntryLBA (the starting LBA of 43586bbaf93Scg * the GUID partition entries array). Now that we 43686bbaf93Scg * already got valid GPT header and saved it in 43786bbaf93Scg * dk_ioc.dki_data, we try to get GUID partition 43886bbaf93Scg * entry array here. 4397c478bd9Sstevel@tonic-gate */ 4407c478bd9Sstevel@tonic-gate dk_ioc.dki_data++; 44186bbaf93Scg if (legacy_label) 44286bbaf93Scg dk_ioc.dki_length = disk_info.dki_capacity - 1 - 443af007057Syl dk_ioc.dki_lba; 44486bbaf93Scg else 44586bbaf93Scg dk_ioc.dki_length = disk_info.dki_capacity - 2 - 446af007057Syl dk_ioc.dki_lba; 4477c478bd9Sstevel@tonic-gate dk_ioc.dki_length *= disk_info.dki_lbsize; 44886bbaf93Scg if (dk_ioc.dki_length > 44986bbaf93Scg ((len_t)label_len - sizeof (*dk_ioc.dki_data))) { 4507c478bd9Sstevel@tonic-gate rval = VT_EINVAL; 4517c478bd9Sstevel@tonic-gate } else { 45286bbaf93Scg /* 45386bbaf93Scg * read GUID partition entry array 45486bbaf93Scg */ 4557c478bd9Sstevel@tonic-gate rval = efi_ioctl(fd, DKIOCGETEFI, &dk_ioc); 4567c478bd9Sstevel@tonic-gate } 4577c478bd9Sstevel@tonic-gate } 458c7e1889fSyl } else { 459c7e1889fSyl dk_ioc.dki_lba = LE_64(efi->efi_gpt_PartitionEntryLBA); 460c7e1889fSyl dk_ioc.dki_data++; 461c7e1889fSyl dk_ioc.dki_length = label_len - disk_info.dki_lbsize; 462c7e1889fSyl rval = efi_ioctl(fd, DKIOCGETEFI, &dk_ioc); 4637c478bd9Sstevel@tonic-gate } 4647c478bd9Sstevel@tonic-gate if (rval < 0) { 4657c478bd9Sstevel@tonic-gate free(efi); 4667c478bd9Sstevel@tonic-gate return (rval); 4677c478bd9Sstevel@tonic-gate } 4687c478bd9Sstevel@tonic-gate 4697c478bd9Sstevel@tonic-gate /* LINTED -- always longlong aligned */ 470c7e1889fSyl efi_parts = (efi_gpe_t *)(((char *)efi) + disk_info.dki_lbsize); 4717c478bd9Sstevel@tonic-gate 4727c478bd9Sstevel@tonic-gate /* 4737c478bd9Sstevel@tonic-gate * Assemble this into a "dk_gpt" struct for easier 4747c478bd9Sstevel@tonic-gate * digestibility by applications. 4757c478bd9Sstevel@tonic-gate */ 4767c478bd9Sstevel@tonic-gate vtoc->efi_version = LE_32(efi->efi_gpt_Revision); 4777c478bd9Sstevel@tonic-gate vtoc->efi_nparts = LE_32(efi->efi_gpt_NumberOfPartitionEntries); 4787c478bd9Sstevel@tonic-gate vtoc->efi_part_size = LE_32(efi->efi_gpt_SizeOfPartitionEntry); 4797c478bd9Sstevel@tonic-gate vtoc->efi_lbasize = disk_info.dki_lbsize; 4807c478bd9Sstevel@tonic-gate vtoc->efi_last_lba = disk_info.dki_capacity - 1; 4817c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba = LE_64(efi->efi_gpt_FirstUsableLBA); 4827c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba = LE_64(efi->efi_gpt_LastUsableLBA); 483af007057Syl vtoc->efi_altern_lba = LE_64(efi->efi_gpt_AlternateLBA); 4847c478bd9Sstevel@tonic-gate UUID_LE_CONVERT(vtoc->efi_disk_uguid, efi->efi_gpt_DiskGUID); 4857c478bd9Sstevel@tonic-gate 4867c478bd9Sstevel@tonic-gate /* 4877c478bd9Sstevel@tonic-gate * If the array the user passed in is too small, set the length 4887c478bd9Sstevel@tonic-gate * to what it needs to be and return 4897c478bd9Sstevel@tonic-gate */ 4907c478bd9Sstevel@tonic-gate if (user_length < vtoc->efi_nparts) { 4917c478bd9Sstevel@tonic-gate return (VT_EINVAL); 4927c478bd9Sstevel@tonic-gate } 4937c478bd9Sstevel@tonic-gate 4947c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 4957c478bd9Sstevel@tonic-gate 496af007057Syl UUID_LE_CONVERT(vtoc->efi_parts[i].p_guid, 497af007057Syl efi_parts[i].efi_gpe_PartitionTypeGUID); 498af007057Syl 499af007057Syl for (j = 0; 500af007057Syl j < sizeof (conversion_array) 501af007057Syl / sizeof (struct uuid_to_ptag); j++) { 502af007057Syl 503af007057Syl if (bcmp(&vtoc->efi_parts[i].p_guid, 504af007057Syl &conversion_array[j].uuid, 505af007057Syl sizeof (struct uuid)) == 0) { 506af007057Syl vtoc->efi_parts[i].p_tag = j; 507af007057Syl break; 508af007057Syl } 509af007057Syl } 510af007057Syl if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) 511af007057Syl continue; 512af007057Syl vtoc->efi_parts[i].p_flag = 513af007057Syl LE_16(efi_parts[i].efi_gpe_Attributes.PartitionAttrs); 514af007057Syl vtoc->efi_parts[i].p_start = 515af007057Syl LE_64(efi_parts[i].efi_gpe_StartingLBA); 516af007057Syl vtoc->efi_parts[i].p_size = 517af007057Syl LE_64(efi_parts[i].efi_gpe_EndingLBA) - 5187c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start + 1; 519af007057Syl for (j = 0; j < EFI_PART_NAME_LEN; j++) { 520af007057Syl vtoc->efi_parts[i].p_name[j] = 521af007057Syl (uchar_t)LE_16( 522af007057Syl efi_parts[i].efi_gpe_PartitionName[j]); 523af007057Syl } 5247c478bd9Sstevel@tonic-gate 525af007057Syl UUID_LE_CONVERT(vtoc->efi_parts[i].p_uguid, 526af007057Syl efi_parts[i].efi_gpe_UniquePartitionGUID); 5277c478bd9Sstevel@tonic-gate } 5287c478bd9Sstevel@tonic-gate free(efi); 5297c478bd9Sstevel@tonic-gate 5307c478bd9Sstevel@tonic-gate return (dki_info.dki_partition); 5317c478bd9Sstevel@tonic-gate } 5327c478bd9Sstevel@tonic-gate 5337c478bd9Sstevel@tonic-gate /* writes a "protective" MBR */ 5347c478bd9Sstevel@tonic-gate static int 5357c478bd9Sstevel@tonic-gate write_pmbr(int fd, struct dk_gpt *vtoc) 5367c478bd9Sstevel@tonic-gate { 5377c478bd9Sstevel@tonic-gate dk_efi_t dk_ioc; 5387c478bd9Sstevel@tonic-gate struct mboot mb; 5397c478bd9Sstevel@tonic-gate uchar_t *cp; 5407c478bd9Sstevel@tonic-gate diskaddr_t size_in_lba; 5417c478bd9Sstevel@tonic-gate 542987e90dcSxl /* 543987e90dcSxl * Preserve any boot code and disk signature if the first block is 544987e90dcSxl * already an MBR. 545987e90dcSxl */ 546987e90dcSxl dk_ioc.dki_lba = 0; 547987e90dcSxl dk_ioc.dki_length = sizeof (mb); 548987e90dcSxl /* LINTED -- always longlong aligned */ 549987e90dcSxl dk_ioc.dki_data = (efi_gpt_t *)&mb; 550987e90dcSxl if (efi_ioctl(fd, DKIOCGETEFI, &dk_ioc) == -1 || 551987e90dcSxl mb.signature != LE_16(MBB_MAGIC)) { 552987e90dcSxl bzero(&mb, sizeof (mb)); 553987e90dcSxl mb.signature = LE_16(MBB_MAGIC); 554987e90dcSxl } 5557c478bd9Sstevel@tonic-gate bzero(&mb.parts, sizeof (mb.parts)); 5567c478bd9Sstevel@tonic-gate cp = (uchar_t *)&mb.parts[0]; 5577c478bd9Sstevel@tonic-gate /* bootable or not */ 5587c478bd9Sstevel@tonic-gate *cp++ = 0; 5597c478bd9Sstevel@tonic-gate /* beginning CHS; 0xffffff if not representable */ 5607c478bd9Sstevel@tonic-gate *cp++ = 0xff; 5617c478bd9Sstevel@tonic-gate *cp++ = 0xff; 5627c478bd9Sstevel@tonic-gate *cp++ = 0xff; 5637c478bd9Sstevel@tonic-gate /* OS type */ 5647c478bd9Sstevel@tonic-gate *cp++ = EFI_PMBR; 5657c478bd9Sstevel@tonic-gate /* ending CHS; 0xffffff if not representable */ 5667c478bd9Sstevel@tonic-gate *cp++ = 0xff; 5677c478bd9Sstevel@tonic-gate *cp++ = 0xff; 5687c478bd9Sstevel@tonic-gate *cp++ = 0xff; 5697c478bd9Sstevel@tonic-gate /* starting LBA: 1 (little endian format) by EFI definition */ 5707c478bd9Sstevel@tonic-gate *cp++ = 0x01; 5717c478bd9Sstevel@tonic-gate *cp++ = 0x00; 5727c478bd9Sstevel@tonic-gate *cp++ = 0x00; 5737c478bd9Sstevel@tonic-gate *cp++ = 0x00; 5747c478bd9Sstevel@tonic-gate /* ending LBA: last block on the disk (little endian format) */ 5757c478bd9Sstevel@tonic-gate size_in_lba = vtoc->efi_last_lba; 5767c478bd9Sstevel@tonic-gate if (size_in_lba < 0xffffffff) { 5777c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0x000000ff); 5787c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0x0000ff00) >> 8; 5797c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0x00ff0000) >> 16; 5807c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0xff000000) >> 24; 5817c478bd9Sstevel@tonic-gate } else { 5827c478bd9Sstevel@tonic-gate *cp++ = 0xff; 5837c478bd9Sstevel@tonic-gate *cp++ = 0xff; 5847c478bd9Sstevel@tonic-gate *cp++ = 0xff; 5857c478bd9Sstevel@tonic-gate *cp++ = 0xff; 5867c478bd9Sstevel@tonic-gate } 5877c478bd9Sstevel@tonic-gate /* LINTED -- always longlong aligned */ 5887c478bd9Sstevel@tonic-gate dk_ioc.dki_data = (efi_gpt_t *)&mb; 5897c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = 0; 5907c478bd9Sstevel@tonic-gate dk_ioc.dki_length = sizeof (mb); 5917c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 5927c478bd9Sstevel@tonic-gate switch (errno) { 5937c478bd9Sstevel@tonic-gate case EIO: 5947c478bd9Sstevel@tonic-gate return (VT_EIO); 5957c478bd9Sstevel@tonic-gate case EINVAL: 5967c478bd9Sstevel@tonic-gate return (VT_EINVAL); 5977c478bd9Sstevel@tonic-gate default: 5987c478bd9Sstevel@tonic-gate return (VT_ERROR); 5997c478bd9Sstevel@tonic-gate } 6007c478bd9Sstevel@tonic-gate } 6017c478bd9Sstevel@tonic-gate return (0); 6027c478bd9Sstevel@tonic-gate } 6037c478bd9Sstevel@tonic-gate 6047c478bd9Sstevel@tonic-gate /* make sure the user specified something reasonable */ 6057c478bd9Sstevel@tonic-gate static int 6067c478bd9Sstevel@tonic-gate check_input(struct dk_gpt *vtoc) 6077c478bd9Sstevel@tonic-gate { 6087c478bd9Sstevel@tonic-gate int resv_part = -1; 6097c478bd9Sstevel@tonic-gate int i, j; 6107c478bd9Sstevel@tonic-gate diskaddr_t istart, jstart, isize, jsize, endsect; 6117c478bd9Sstevel@tonic-gate 6127c478bd9Sstevel@tonic-gate /* 6137c478bd9Sstevel@tonic-gate * Sanity-check the input (make sure no partitions overlap) 6147c478bd9Sstevel@tonic-gate */ 6157c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 6167c478bd9Sstevel@tonic-gate /* It can't be unassigned and have an actual size */ 6177c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_tag == V_UNASSIGNED) && 6187c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_size != 0)) { 6197c478bd9Sstevel@tonic-gate if (efi_debug) { 6207c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 6217c478bd9Sstevel@tonic-gate "partition %d is \"unassigned\" but has a size of %llu", 6227c478bd9Sstevel@tonic-gate i, 6237c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size); 6247c478bd9Sstevel@tonic-gate } 6257c478bd9Sstevel@tonic-gate return (VT_EINVAL); 6267c478bd9Sstevel@tonic-gate } 6277c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) { 628f2be5148Sszhou if (uuid_is_null((uchar_t *)&vtoc->efi_parts[i].p_guid)) 629f2be5148Sszhou continue; 630f2be5148Sszhou /* we have encountered an unknown uuid */ 631f2be5148Sszhou vtoc->efi_parts[i].p_tag = 0xff; 6327c478bd9Sstevel@tonic-gate } 6337c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_RESERVED) { 6347c478bd9Sstevel@tonic-gate if (resv_part != -1) { 6357c478bd9Sstevel@tonic-gate if (efi_debug) { 636af007057Syl (void) fprintf(stderr, 6377c478bd9Sstevel@tonic-gate "found duplicate reserved partition at %d\n", 638af007057Syl i); 6397c478bd9Sstevel@tonic-gate } 6407c478bd9Sstevel@tonic-gate return (VT_EINVAL); 6417c478bd9Sstevel@tonic-gate } 6427c478bd9Sstevel@tonic-gate resv_part = i; 6437c478bd9Sstevel@tonic-gate } 6447c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start < vtoc->efi_first_u_lba) || 6457c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start > vtoc->efi_last_u_lba)) { 6467c478bd9Sstevel@tonic-gate if (efi_debug) { 6477c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 6487c478bd9Sstevel@tonic-gate "Partition %d starts at %llu. ", 6497c478bd9Sstevel@tonic-gate i, 6507c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start); 6517c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 6527c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 6537c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 6547c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 6557c478bd9Sstevel@tonic-gate } 6567c478bd9Sstevel@tonic-gate return (VT_EINVAL); 6577c478bd9Sstevel@tonic-gate } 6587c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start + 6597c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size < 6607c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba) || 6617c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start + 6627c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size > 6637c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba + 1)) { 6647c478bd9Sstevel@tonic-gate if (efi_debug) { 6657c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 6667c478bd9Sstevel@tonic-gate "Partition %d ends at %llu. ", 6677c478bd9Sstevel@tonic-gate i, 6687c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start + 6697c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size); 6707c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 6717c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 6727c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 6737c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 6747c478bd9Sstevel@tonic-gate } 6757c478bd9Sstevel@tonic-gate return (VT_EINVAL); 6767c478bd9Sstevel@tonic-gate } 6777c478bd9Sstevel@tonic-gate 6787c478bd9Sstevel@tonic-gate for (j = 0; j < vtoc->efi_nparts; j++) { 6797c478bd9Sstevel@tonic-gate isize = vtoc->efi_parts[i].p_size; 6807c478bd9Sstevel@tonic-gate jsize = vtoc->efi_parts[j].p_size; 6817c478bd9Sstevel@tonic-gate istart = vtoc->efi_parts[i].p_start; 6827c478bd9Sstevel@tonic-gate jstart = vtoc->efi_parts[j].p_start; 6837c478bd9Sstevel@tonic-gate if ((i != j) && (isize != 0) && (jsize != 0)) { 6847c478bd9Sstevel@tonic-gate endsect = jstart + jsize -1; 6857c478bd9Sstevel@tonic-gate if ((jstart <= istart) && 6867c478bd9Sstevel@tonic-gate (istart <= endsect)) { 6877c478bd9Sstevel@tonic-gate if (efi_debug) { 6887c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 6897c478bd9Sstevel@tonic-gate "Partition %d overlaps partition %d.", 6907c478bd9Sstevel@tonic-gate i, j); 691af007057Syl } 692af007057Syl return (VT_EINVAL); 6937c478bd9Sstevel@tonic-gate } 6947c478bd9Sstevel@tonic-gate } 6957c478bd9Sstevel@tonic-gate } 6967c478bd9Sstevel@tonic-gate } 6977c478bd9Sstevel@tonic-gate /* just a warning for now */ 6987c478bd9Sstevel@tonic-gate if ((resv_part == -1) && efi_debug) { 6997c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 700af007057Syl "no reserved partition found\n"); 7017c478bd9Sstevel@tonic-gate } 7027c478bd9Sstevel@tonic-gate return (0); 7037c478bd9Sstevel@tonic-gate } 7047c478bd9Sstevel@tonic-gate 705af007057Syl /* 706af007057Syl * add all the unallocated space to the current label 707af007057Syl */ 708af007057Syl int 709af007057Syl efi_use_whole_disk(int fd) 710af007057Syl { 711af007057Syl struct dk_gpt *efi_label; 712af007057Syl int rval; 713af007057Syl int i; 714af007057Syl uint_t phy_last_slice = 0; 715af007057Syl diskaddr_t pl_start = 0; 716af007057Syl diskaddr_t pl_size; 717af007057Syl 718af007057Syl rval = efi_alloc_and_read(fd, &efi_label); 719af007057Syl if (rval < 0) { 720af007057Syl return (rval); 721af007057Syl } 722af007057Syl 723af007057Syl /* find the last physically non-zero partition */ 724af007057Syl for (i = 0; i < efi_label->efi_nparts - 2; i ++) { 725af007057Syl if (pl_start < efi_label->efi_parts[i].p_start) { 726af007057Syl pl_start = efi_label->efi_parts[i].p_start; 727af007057Syl phy_last_slice = i; 728af007057Syl } 729af007057Syl } 730af007057Syl pl_size = efi_label->efi_parts[phy_last_slice].p_size; 731af007057Syl 732af007057Syl /* 733af007057Syl * If alter_lba is 1, we are using the backup label. 734af007057Syl * Since we can locate the backup label by disk capacity, 735af007057Syl * there must be no unallocated space. 736af007057Syl */ 737af007057Syl if ((efi_label->efi_altern_lba == 1) || (efi_label->efi_altern_lba 738af007057Syl >= efi_label->efi_last_lba)) { 739af007057Syl if (efi_debug) { 740af007057Syl (void) fprintf(stderr, 741af007057Syl "efi_use_whole_disk: requested space not found\n"); 742af007057Syl } 743af007057Syl efi_free(efi_label); 744af007057Syl return (VT_ENOSPC); 745af007057Syl } 746af007057Syl 747af007057Syl /* 748af007057Syl * If there is space between the last physically non-zero partition 749af007057Syl * and the reserved partition, just add the unallocated space to this 750af007057Syl * area. Otherwise, the unallocated space is added to the last 751af007057Syl * physically non-zero partition. 752af007057Syl */ 753af007057Syl if (pl_start + pl_size - 1 == efi_label->efi_last_u_lba - 754af007057Syl EFI_MIN_RESV_SIZE) { 755af007057Syl efi_label->efi_parts[phy_last_slice].p_size += 756af007057Syl efi_label->efi_last_lba - efi_label->efi_altern_lba; 757af007057Syl } 758af007057Syl 759af007057Syl /* 760af007057Syl * Move the reserved partition. There is currently no data in 761af007057Syl * here except fabricated devids (which get generated via 762af007057Syl * efi_write()). So there is no need to copy data. 763af007057Syl */ 764af007057Syl efi_label->efi_parts[efi_label->efi_nparts - 1].p_start += 765af007057Syl efi_label->efi_last_lba - efi_label->efi_altern_lba; 766af007057Syl efi_label->efi_last_u_lba += efi_label->efi_last_lba 767af007057Syl - efi_label->efi_altern_lba; 768af007057Syl 769af007057Syl rval = efi_write(fd, efi_label); 770af007057Syl if (rval < 0) { 771af007057Syl if (efi_debug) { 772af007057Syl (void) fprintf(stderr, 773af007057Syl "efi_use_whole_disk:fail to write label, rval=%d\n", 774af007057Syl rval); 775af007057Syl } 776af007057Syl efi_free(efi_label); 777af007057Syl return (rval); 778af007057Syl } 779af007057Syl 780af007057Syl efi_free(efi_label); 781af007057Syl return (0); 782af007057Syl } 783af007057Syl 784af007057Syl 7857c478bd9Sstevel@tonic-gate /* 7867c478bd9Sstevel@tonic-gate * write EFI label and backup label 7877c478bd9Sstevel@tonic-gate */ 7887c478bd9Sstevel@tonic-gate int 7897c478bd9Sstevel@tonic-gate efi_write(int fd, struct dk_gpt *vtoc) 7907c478bd9Sstevel@tonic-gate { 7917c478bd9Sstevel@tonic-gate dk_efi_t dk_ioc; 7927c478bd9Sstevel@tonic-gate efi_gpt_t *efi; 7937c478bd9Sstevel@tonic-gate efi_gpe_t *efi_parts; 7947c478bd9Sstevel@tonic-gate int i, j; 7957c478bd9Sstevel@tonic-gate struct dk_cinfo dki_info; 7967c478bd9Sstevel@tonic-gate int md_flag = 0; 79786bbaf93Scg int nblocks; 79886bbaf93Scg diskaddr_t lba_backup_gpt_hdr; 7997c478bd9Sstevel@tonic-gate 8007c478bd9Sstevel@tonic-gate if (ioctl(fd, DKIOCINFO, (caddr_t)&dki_info) == -1) { 8017c478bd9Sstevel@tonic-gate if (efi_debug) 8027c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "DKIOCINFO errno 0x%x\n", errno); 8037c478bd9Sstevel@tonic-gate switch (errno) { 8047c478bd9Sstevel@tonic-gate case EIO: 8057c478bd9Sstevel@tonic-gate return (VT_EIO); 8067c478bd9Sstevel@tonic-gate case EINVAL: 8077c478bd9Sstevel@tonic-gate return (VT_EINVAL); 8087c478bd9Sstevel@tonic-gate default: 8097c478bd9Sstevel@tonic-gate return (VT_ERROR); 8107c478bd9Sstevel@tonic-gate } 8117c478bd9Sstevel@tonic-gate } 8127c478bd9Sstevel@tonic-gate 8137c478bd9Sstevel@tonic-gate /* check if we are dealing wih a metadevice */ 8147c478bd9Sstevel@tonic-gate if ((strncmp(dki_info.dki_cname, "pseudo", 7) == 0) && 8157c478bd9Sstevel@tonic-gate (strncmp(dki_info.dki_dname, "md", 3) == 0)) { 8167c478bd9Sstevel@tonic-gate md_flag = 1; 8177c478bd9Sstevel@tonic-gate } 8187c478bd9Sstevel@tonic-gate 8197c478bd9Sstevel@tonic-gate if (check_input(vtoc)) { 8207c478bd9Sstevel@tonic-gate /* 8217c478bd9Sstevel@tonic-gate * not valid; if it's a metadevice just pass it down 8227c478bd9Sstevel@tonic-gate * because SVM will do its own checking 8237c478bd9Sstevel@tonic-gate */ 8247c478bd9Sstevel@tonic-gate if (md_flag == 0) { 8257c478bd9Sstevel@tonic-gate return (VT_EINVAL); 8267c478bd9Sstevel@tonic-gate } 8277c478bd9Sstevel@tonic-gate } 8287c478bd9Sstevel@tonic-gate 8297c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = 1; 8307c478bd9Sstevel@tonic-gate if (NBLOCKS(vtoc->efi_nparts, vtoc->efi_lbasize) < 34) { 8317c478bd9Sstevel@tonic-gate dk_ioc.dki_length = EFI_MIN_ARRAY_SIZE + vtoc->efi_lbasize; 8327c478bd9Sstevel@tonic-gate } else { 8337c478bd9Sstevel@tonic-gate dk_ioc.dki_length = NBLOCKS(vtoc->efi_nparts, 834af007057Syl vtoc->efi_lbasize) * 835af007057Syl vtoc->efi_lbasize; 8367c478bd9Sstevel@tonic-gate } 8377c478bd9Sstevel@tonic-gate 83886bbaf93Scg /* 83986bbaf93Scg * the number of blocks occupied by GUID partition entry array 84086bbaf93Scg */ 84186bbaf93Scg nblocks = dk_ioc.dki_length / vtoc->efi_lbasize - 1; 84286bbaf93Scg 84386bbaf93Scg /* 84486bbaf93Scg * Backup GPT header is located on the block after GUID 84586bbaf93Scg * partition entry array. Here, we calculate the address 84686bbaf93Scg * for backup GPT header. 84786bbaf93Scg */ 84886bbaf93Scg lba_backup_gpt_hdr = vtoc->efi_last_u_lba + 1 + nblocks; 84986bbaf93Scg 8507c478bd9Sstevel@tonic-gate if ((dk_ioc.dki_data = calloc(dk_ioc.dki_length, 1)) == NULL) 8517c478bd9Sstevel@tonic-gate return (VT_ERROR); 8527c478bd9Sstevel@tonic-gate 8537c478bd9Sstevel@tonic-gate efi = dk_ioc.dki_data; 8547c478bd9Sstevel@tonic-gate 8557c478bd9Sstevel@tonic-gate /* stuff user's input into EFI struct */ 8567c478bd9Sstevel@tonic-gate efi->efi_gpt_Signature = LE_64(EFI_SIGNATURE); 8577c478bd9Sstevel@tonic-gate efi->efi_gpt_Revision = LE_32(vtoc->efi_version); /* 0x02000100 */ 8587c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderSize = LE_32(sizeof (struct efi_gpt)); 8597c478bd9Sstevel@tonic-gate efi->efi_gpt_Reserved1 = 0; 8607c478bd9Sstevel@tonic-gate efi->efi_gpt_MyLBA = LE_64(1ULL); 86186bbaf93Scg efi->efi_gpt_AlternateLBA = LE_64(lba_backup_gpt_hdr); 8627c478bd9Sstevel@tonic-gate efi->efi_gpt_FirstUsableLBA = LE_64(vtoc->efi_first_u_lba); 8637c478bd9Sstevel@tonic-gate efi->efi_gpt_LastUsableLBA = LE_64(vtoc->efi_last_u_lba); 8647c478bd9Sstevel@tonic-gate efi->efi_gpt_PartitionEntryLBA = LE_64(2ULL); 8657c478bd9Sstevel@tonic-gate efi->efi_gpt_NumberOfPartitionEntries = LE_32(vtoc->efi_nparts); 8667c478bd9Sstevel@tonic-gate efi->efi_gpt_SizeOfPartitionEntry = LE_32(sizeof (struct efi_gpe)); 8677c478bd9Sstevel@tonic-gate UUID_LE_CONVERT(efi->efi_gpt_DiskGUID, vtoc->efi_disk_uguid); 8687c478bd9Sstevel@tonic-gate 8697c478bd9Sstevel@tonic-gate /* LINTED -- always longlong aligned */ 8707c478bd9Sstevel@tonic-gate efi_parts = (efi_gpe_t *)((char *)dk_ioc.dki_data + sizeof (efi_gpt_t)); 8717c478bd9Sstevel@tonic-gate 8727c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 873af007057Syl for (j = 0; 874af007057Syl j < sizeof (conversion_array) / 875af007057Syl sizeof (struct uuid_to_ptag); j++) { 876af007057Syl 877af007057Syl if (vtoc->efi_parts[i].p_tag == j) { 878af007057Syl UUID_LE_CONVERT( 879af007057Syl efi_parts[i].efi_gpe_PartitionTypeGUID, 880af007057Syl conversion_array[j].uuid); 881af007057Syl break; 882af007057Syl } 883af007057Syl } 884af007057Syl 885af007057Syl if (j == sizeof (conversion_array) / 886af007057Syl sizeof (struct uuid_to_ptag)) { 887af007057Syl /* 888af007057Syl * If we didn't have a matching uuid match, bail here. 889af007057Syl * Don't write a label with unknown uuid. 890af007057Syl */ 891af007057Syl if (efi_debug) { 892af007057Syl (void) fprintf(stderr, 893af007057Syl "Unknown uuid for p_tag %d\n", 894af007057Syl vtoc->efi_parts[i].p_tag); 895af007057Syl } 896af007057Syl return (VT_EINVAL); 897af007057Syl } 898af007057Syl 899af007057Syl efi_parts[i].efi_gpe_StartingLBA = 900af007057Syl LE_64(vtoc->efi_parts[i].p_start); 901af007057Syl efi_parts[i].efi_gpe_EndingLBA = 902af007057Syl LE_64(vtoc->efi_parts[i].p_start + 903af007057Syl vtoc->efi_parts[i].p_size - 1); 904af007057Syl efi_parts[i].efi_gpe_Attributes.PartitionAttrs = 9057c478bd9Sstevel@tonic-gate LE_16(vtoc->efi_parts[i].p_flag); 906af007057Syl for (j = 0; j < EFI_PART_NAME_LEN; j++) { 907af007057Syl efi_parts[i].efi_gpe_PartitionName[j] = 908af007057Syl LE_16((ushort_t)vtoc->efi_parts[i].p_name[j]); 909af007057Syl } 910af007057Syl if ((vtoc->efi_parts[i].p_tag != V_UNASSIGNED) && 911af007057Syl uuid_is_null((uchar_t *)&vtoc->efi_parts[i].p_uguid)) { 912af007057Syl (void) uuid_generate((uchar_t *) 913af007057Syl &vtoc->efi_parts[i].p_uguid); 914af007057Syl } 915af007057Syl bcopy(&vtoc->efi_parts[i].p_uguid, 916af007057Syl &efi_parts[i].efi_gpe_UniquePartitionGUID, 917af007057Syl sizeof (uuid_t)); 9187c478bd9Sstevel@tonic-gate } 9197c478bd9Sstevel@tonic-gate efi->efi_gpt_PartitionEntryArrayCRC32 = 9207c478bd9Sstevel@tonic-gate LE_32(efi_crc32((unsigned char *)efi_parts, 9217c478bd9Sstevel@tonic-gate vtoc->efi_nparts * (int)sizeof (struct efi_gpe))); 9227c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 9237c478bd9Sstevel@tonic-gate LE_32(efi_crc32((unsigned char *)efi, sizeof (struct efi_gpt))); 9247c478bd9Sstevel@tonic-gate 9257c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 9267c478bd9Sstevel@tonic-gate free(dk_ioc.dki_data); 9277c478bd9Sstevel@tonic-gate switch (errno) { 9287c478bd9Sstevel@tonic-gate case EIO: 9297c478bd9Sstevel@tonic-gate return (VT_EIO); 9307c478bd9Sstevel@tonic-gate case EINVAL: 9317c478bd9Sstevel@tonic-gate return (VT_EINVAL); 9327c478bd9Sstevel@tonic-gate default: 9337c478bd9Sstevel@tonic-gate return (VT_ERROR); 9347c478bd9Sstevel@tonic-gate } 9357c478bd9Sstevel@tonic-gate } 9367c478bd9Sstevel@tonic-gate /* if it's a metadevice we're done */ 9377c478bd9Sstevel@tonic-gate if (md_flag) { 9387c478bd9Sstevel@tonic-gate free(dk_ioc.dki_data); 9397c478bd9Sstevel@tonic-gate return (0); 9407c478bd9Sstevel@tonic-gate } 9417c478bd9Sstevel@tonic-gate /* write backup partition array */ 9427c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = vtoc->efi_last_u_lba + 1; 9437c478bd9Sstevel@tonic-gate dk_ioc.dki_length -= vtoc->efi_lbasize; 9447c478bd9Sstevel@tonic-gate dk_ioc.dki_data++; 9457c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 9467c478bd9Sstevel@tonic-gate /* 9477c478bd9Sstevel@tonic-gate * we wrote the primary label okay, so don't fail 9487c478bd9Sstevel@tonic-gate */ 9497c478bd9Sstevel@tonic-gate if (efi_debug) { 9507c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 9517c478bd9Sstevel@tonic-gate "write of backup partitions to block %llu " 9527c478bd9Sstevel@tonic-gate "failed, errno %d\n", 9537c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba + 1, 9547c478bd9Sstevel@tonic-gate errno); 9557c478bd9Sstevel@tonic-gate } 9567c478bd9Sstevel@tonic-gate } 9577c478bd9Sstevel@tonic-gate /* 9587c478bd9Sstevel@tonic-gate * now swap MyLBA and AlternateLBA fields and write backup 9597c478bd9Sstevel@tonic-gate * partition table header 9607c478bd9Sstevel@tonic-gate */ 96186bbaf93Scg dk_ioc.dki_lba = lba_backup_gpt_hdr; 9627c478bd9Sstevel@tonic-gate dk_ioc.dki_length = vtoc->efi_lbasize; 9637c478bd9Sstevel@tonic-gate dk_ioc.dki_data--; 9647c478bd9Sstevel@tonic-gate efi->efi_gpt_AlternateLBA = LE_64(1ULL); 96586bbaf93Scg efi->efi_gpt_MyLBA = LE_64(lba_backup_gpt_hdr); 9667c478bd9Sstevel@tonic-gate efi->efi_gpt_PartitionEntryLBA = LE_64(vtoc->efi_last_u_lba + 1); 9677c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 0; 9687c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 9697c478bd9Sstevel@tonic-gate LE_32(efi_crc32((unsigned char *)dk_ioc.dki_data, 9707c478bd9Sstevel@tonic-gate sizeof (struct efi_gpt))); 9717c478bd9Sstevel@tonic-gate 9727c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 9737c478bd9Sstevel@tonic-gate if (efi_debug) { 9747c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 9757c478bd9Sstevel@tonic-gate "write of backup header to block %llu failed, " 9767c478bd9Sstevel@tonic-gate "errno %d\n", 97786bbaf93Scg lba_backup_gpt_hdr, 9787c478bd9Sstevel@tonic-gate errno); 9797c478bd9Sstevel@tonic-gate } 9807c478bd9Sstevel@tonic-gate } 9817c478bd9Sstevel@tonic-gate /* write the PMBR */ 9827c478bd9Sstevel@tonic-gate (void) write_pmbr(fd, vtoc); 9837c478bd9Sstevel@tonic-gate free(dk_ioc.dki_data); 9847c478bd9Sstevel@tonic-gate return (0); 9857c478bd9Sstevel@tonic-gate } 9867c478bd9Sstevel@tonic-gate 9877c478bd9Sstevel@tonic-gate void 9887c478bd9Sstevel@tonic-gate efi_free(struct dk_gpt *ptr) 9897c478bd9Sstevel@tonic-gate { 9907c478bd9Sstevel@tonic-gate free(ptr); 9917c478bd9Sstevel@tonic-gate } 9927c478bd9Sstevel@tonic-gate 9937c478bd9Sstevel@tonic-gate /* 9947c478bd9Sstevel@tonic-gate * Input: File descriptor 995*342440ecSPrasad Singamsetty * Output: 1 if disk has an EFI label, or > 2TB with no VTOC or legacy MBR. 996*342440ecSPrasad Singamsetty * Otherwise 0. 9977c478bd9Sstevel@tonic-gate */ 9987c478bd9Sstevel@tonic-gate int 9997c478bd9Sstevel@tonic-gate efi_type(int fd) 10007c478bd9Sstevel@tonic-gate { 10017c478bd9Sstevel@tonic-gate struct vtoc vtoc; 1002*342440ecSPrasad Singamsetty struct extvtoc extvtoc; 10037c478bd9Sstevel@tonic-gate 1004*342440ecSPrasad Singamsetty if (ioctl(fd, DKIOCGEXTVTOC, &extvtoc) == -1) { 1005*342440ecSPrasad Singamsetty if (errno == ENOTSUP) 10067c478bd9Sstevel@tonic-gate return (1); 1007*342440ecSPrasad Singamsetty else if (errno == ENOTTY) { 1008*342440ecSPrasad Singamsetty if (ioctl(fd, DKIOCGVTOC, &vtoc) == -1) 1009*342440ecSPrasad Singamsetty if (errno == ENOTSUP) 1010*342440ecSPrasad Singamsetty return (1); 10117c478bd9Sstevel@tonic-gate } 10127c478bd9Sstevel@tonic-gate } 10137c478bd9Sstevel@tonic-gate return (0); 10147c478bd9Sstevel@tonic-gate } 10157c478bd9Sstevel@tonic-gate 10167c478bd9Sstevel@tonic-gate void 10177c478bd9Sstevel@tonic-gate efi_err_check(struct dk_gpt *vtoc) 10187c478bd9Sstevel@tonic-gate { 10197c478bd9Sstevel@tonic-gate int resv_part = -1; 10207c478bd9Sstevel@tonic-gate int i, j; 10217c478bd9Sstevel@tonic-gate diskaddr_t istart, jstart, isize, jsize, endsect; 10227c478bd9Sstevel@tonic-gate int overlap = 0; 10237c478bd9Sstevel@tonic-gate 10247c478bd9Sstevel@tonic-gate /* 10257c478bd9Sstevel@tonic-gate * make sure no partitions overlap 10267c478bd9Sstevel@tonic-gate */ 10277c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 10287c478bd9Sstevel@tonic-gate /* It can't be unassigned and have an actual size */ 10297c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_tag == V_UNASSIGNED) && 10307c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_size != 0)) { 10317c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10327c478bd9Sstevel@tonic-gate "partition %d is \"unassigned\" but has a size " 10337c478bd9Sstevel@tonic-gate "of %llu\n", i, vtoc->efi_parts[i].p_size); 10347c478bd9Sstevel@tonic-gate } 10357c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) { 10367c478bd9Sstevel@tonic-gate continue; 10377c478bd9Sstevel@tonic-gate } 10387c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_RESERVED) { 10397c478bd9Sstevel@tonic-gate if (resv_part != -1) { 10407c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10417c478bd9Sstevel@tonic-gate "found duplicate reserved partition at " 10427c478bd9Sstevel@tonic-gate "%d\n", i); 10437c478bd9Sstevel@tonic-gate } 10447c478bd9Sstevel@tonic-gate resv_part = i; 10457c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_size != EFI_MIN_RESV_SIZE) 10467c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10477c478bd9Sstevel@tonic-gate "Warning: reserved partition size must " 10487c478bd9Sstevel@tonic-gate "be %d sectors\n", EFI_MIN_RESV_SIZE); 10497c478bd9Sstevel@tonic-gate } 10507c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start < vtoc->efi_first_u_lba) || 10517c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start > vtoc->efi_last_u_lba)) { 10527c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10537c478bd9Sstevel@tonic-gate "Partition %d starts at %llu\n", 10547c478bd9Sstevel@tonic-gate i, 10557c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start); 10567c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10577c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 10587c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 10597c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 10607c478bd9Sstevel@tonic-gate } 10617c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start + 10627c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size < 10637c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba) || 10647c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start + 10657c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size > 10667c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba + 1)) { 10677c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10687c478bd9Sstevel@tonic-gate "Partition %d ends at %llu\n", 10697c478bd9Sstevel@tonic-gate i, 10707c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start + 10717c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size); 10727c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10737c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 10747c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 10757c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 10767c478bd9Sstevel@tonic-gate } 10777c478bd9Sstevel@tonic-gate 10787c478bd9Sstevel@tonic-gate for (j = 0; j < vtoc->efi_nparts; j++) { 10797c478bd9Sstevel@tonic-gate isize = vtoc->efi_parts[i].p_size; 10807c478bd9Sstevel@tonic-gate jsize = vtoc->efi_parts[j].p_size; 10817c478bd9Sstevel@tonic-gate istart = vtoc->efi_parts[i].p_start; 10827c478bd9Sstevel@tonic-gate jstart = vtoc->efi_parts[j].p_start; 10837c478bd9Sstevel@tonic-gate if ((i != j) && (isize != 0) && (jsize != 0)) { 10847c478bd9Sstevel@tonic-gate endsect = jstart + jsize -1; 10857c478bd9Sstevel@tonic-gate if ((jstart <= istart) && 10867c478bd9Sstevel@tonic-gate (istart <= endsect)) { 10877c478bd9Sstevel@tonic-gate if (!overlap) { 10887c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10897c478bd9Sstevel@tonic-gate "label error: EFI Labels do not " 10907c478bd9Sstevel@tonic-gate "support overlapping partitions\n"); 10917c478bd9Sstevel@tonic-gate } 10927c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10937c478bd9Sstevel@tonic-gate "Partition %d overlaps partition " 10947c478bd9Sstevel@tonic-gate "%d.\n", i, j); 10957c478bd9Sstevel@tonic-gate overlap = 1; 10967c478bd9Sstevel@tonic-gate } 10977c478bd9Sstevel@tonic-gate } 10987c478bd9Sstevel@tonic-gate } 10997c478bd9Sstevel@tonic-gate } 11007c478bd9Sstevel@tonic-gate /* make sure there is a reserved partition */ 11017c478bd9Sstevel@tonic-gate if (resv_part == -1) { 11027c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 1103af007057Syl "no reserved partition found\n"); 11047c478bd9Sstevel@tonic-gate } 11057c478bd9Sstevel@tonic-gate } 11067c478bd9Sstevel@tonic-gate 11077c478bd9Sstevel@tonic-gate /* 11087c478bd9Sstevel@tonic-gate * We need to get information necessary to construct a *new* efi 11097c478bd9Sstevel@tonic-gate * label type 11107c478bd9Sstevel@tonic-gate */ 11117c478bd9Sstevel@tonic-gate int 11127c478bd9Sstevel@tonic-gate efi_auto_sense(int fd, struct dk_gpt **vtoc) 11137c478bd9Sstevel@tonic-gate { 11147c478bd9Sstevel@tonic-gate 11157c478bd9Sstevel@tonic-gate int i; 11167c478bd9Sstevel@tonic-gate 11177c478bd9Sstevel@tonic-gate /* 11187c478bd9Sstevel@tonic-gate * Now build the default partition table 11197c478bd9Sstevel@tonic-gate */ 11207c478bd9Sstevel@tonic-gate if (efi_alloc_and_init(fd, EFI_NUMPAR, vtoc) != 0) { 11217c478bd9Sstevel@tonic-gate if (efi_debug) { 11227c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "efi_alloc_and_init failed.\n"); 11237c478bd9Sstevel@tonic-gate } 11247c478bd9Sstevel@tonic-gate return (-1); 11257c478bd9Sstevel@tonic-gate } 11267c478bd9Sstevel@tonic-gate 11277c478bd9Sstevel@tonic-gate for (i = 0; i < min((*vtoc)->efi_nparts, V_NUMPAR); i++) { 11287c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_tag = default_vtoc_map[i].p_tag; 11297c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_flag = default_vtoc_map[i].p_flag; 11307c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_start = 0; 11317c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_size = 0; 11327c478bd9Sstevel@tonic-gate } 11337c478bd9Sstevel@tonic-gate /* 11347c478bd9Sstevel@tonic-gate * Make constants first 11357c478bd9Sstevel@tonic-gate * and variable partitions later 11367c478bd9Sstevel@tonic-gate */ 11377c478bd9Sstevel@tonic-gate 11387c478bd9Sstevel@tonic-gate /* root partition - s0 128 MB */ 11397c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[0].p_start = 34; 11407c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[0].p_size = 262144; 11417c478bd9Sstevel@tonic-gate 11427c478bd9Sstevel@tonic-gate /* partition - s1 128 MB */ 11437c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[1].p_start = 262178; 11447c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[1].p_size = 262144; 11457c478bd9Sstevel@tonic-gate 11467c478bd9Sstevel@tonic-gate /* partition -s2 is NOT the Backup disk */ 11477c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[2].p_tag = V_UNASSIGNED; 11487c478bd9Sstevel@tonic-gate 11497c478bd9Sstevel@tonic-gate /* partition -s6 /usr partition - HOG */ 11507c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[6].p_start = 524322; 11517c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[6].p_size = (*vtoc)->efi_last_u_lba - 524322 11527c478bd9Sstevel@tonic-gate - (1024 * 16); 11537c478bd9Sstevel@tonic-gate 11547c478bd9Sstevel@tonic-gate /* efi reserved partition - s9 16K */ 11557c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[8].p_start = (*vtoc)->efi_last_u_lba - (1024 * 16); 11567c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[8].p_size = (1024 * 16); 11577c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[8].p_tag = V_RESERVED; 11587c478bd9Sstevel@tonic-gate return (0); 11597c478bd9Sstevel@tonic-gate } 1160