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 */ 217c478bd9Sstevel@tonic-gate /* 22af007057Syl * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate #include <stdio.h> 297c478bd9Sstevel@tonic-gate #include <stdlib.h> 307c478bd9Sstevel@tonic-gate #include <errno.h> 317c478bd9Sstevel@tonic-gate #include <strings.h> 327c478bd9Sstevel@tonic-gate #include <unistd.h> 337c478bd9Sstevel@tonic-gate #include <uuid/uuid.h> 347c478bd9Sstevel@tonic-gate #include <libintl.h> 357c478bd9Sstevel@tonic-gate #include <sys/types.h> 367c478bd9Sstevel@tonic-gate #include <sys/dkio.h> 377c478bd9Sstevel@tonic-gate #include <sys/vtoc.h> 387c478bd9Sstevel@tonic-gate #include <sys/mhd.h> 397c478bd9Sstevel@tonic-gate #include <sys/param.h> 407c478bd9Sstevel@tonic-gate #include <sys/dktp/fdisk.h> 417c478bd9Sstevel@tonic-gate #include <sys/efi_partition.h> 427c478bd9Sstevel@tonic-gate #include <sys/byteorder.h> 437c478bd9Sstevel@tonic-gate #include <sys/ddi.h> 447c478bd9Sstevel@tonic-gate 457c478bd9Sstevel@tonic-gate static struct uuid_to_ptag { 467c478bd9Sstevel@tonic-gate struct uuid uuid; 477c478bd9Sstevel@tonic-gate } conversion_array[] = { 487c478bd9Sstevel@tonic-gate { EFI_UNUSED }, 497c478bd9Sstevel@tonic-gate { EFI_BOOT }, 507c478bd9Sstevel@tonic-gate { EFI_ROOT }, 517c478bd9Sstevel@tonic-gate { EFI_SWAP }, 527c478bd9Sstevel@tonic-gate { EFI_USR }, 537c478bd9Sstevel@tonic-gate { EFI_BACKUP }, 547c478bd9Sstevel@tonic-gate { 0 }, /* STAND is never used */ 557c478bd9Sstevel@tonic-gate { EFI_VAR }, 567c478bd9Sstevel@tonic-gate { EFI_HOME }, 577c478bd9Sstevel@tonic-gate { EFI_ALTSCTR }, 587c478bd9Sstevel@tonic-gate { 0 }, /* CACHE (cachefs) is never used */ 597c478bd9Sstevel@tonic-gate { EFI_RESERVED }, 607c478bd9Sstevel@tonic-gate { EFI_SYSTEM }, 617c478bd9Sstevel@tonic-gate { EFI_LEGACY_MBR }, 627c478bd9Sstevel@tonic-gate { EFI_RESV3 }, 637c478bd9Sstevel@tonic-gate { EFI_RESV4 }, 647c478bd9Sstevel@tonic-gate { EFI_MSFT_RESV }, 657c478bd9Sstevel@tonic-gate { EFI_DELL_BASIC }, 667c478bd9Sstevel@tonic-gate { EFI_DELL_RAID }, 677c478bd9Sstevel@tonic-gate { EFI_DELL_SWAP }, 687c478bd9Sstevel@tonic-gate { EFI_DELL_LVM }, 69f2be5148Sszhou { EFI_DELL_RESV }, 70f2be5148Sszhou { EFI_AAPL_HFS }, 71f2be5148Sszhou { EFI_AAPL_UFS } 727c478bd9Sstevel@tonic-gate }; 737c478bd9Sstevel@tonic-gate 747c478bd9Sstevel@tonic-gate /* 757c478bd9Sstevel@tonic-gate * Default vtoc information for non-SVr4 partitions 767c478bd9Sstevel@tonic-gate */ 777c478bd9Sstevel@tonic-gate struct dk_map2 default_vtoc_map[NDKMAP] = { 787c478bd9Sstevel@tonic-gate { V_ROOT, 0 }, /* a - 0 */ 797c478bd9Sstevel@tonic-gate { V_SWAP, V_UNMNT }, /* b - 1 */ 807c478bd9Sstevel@tonic-gate { V_BACKUP, V_UNMNT }, /* c - 2 */ 817c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* d - 3 */ 827c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* e - 4 */ 837c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* f - 5 */ 847c478bd9Sstevel@tonic-gate { V_USR, 0 }, /* g - 6 */ 857c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* h - 7 */ 867c478bd9Sstevel@tonic-gate 877c478bd9Sstevel@tonic-gate #if defined(_SUNOS_VTOC_16) 887c478bd9Sstevel@tonic-gate 897c478bd9Sstevel@tonic-gate #if defined(i386) || defined(__amd64) 907c478bd9Sstevel@tonic-gate { V_BOOT, V_UNMNT }, /* i - 8 */ 917c478bd9Sstevel@tonic-gate { V_ALTSCTR, 0 }, /* j - 9 */ 927c478bd9Sstevel@tonic-gate 937c478bd9Sstevel@tonic-gate #else 947c478bd9Sstevel@tonic-gate #error No VTOC format defined. 957c478bd9Sstevel@tonic-gate #endif /* defined(i386) */ 967c478bd9Sstevel@tonic-gate 977c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* k - 10 */ 987c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* l - 11 */ 997c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* m - 12 */ 1007c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* n - 13 */ 1017c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* o - 14 */ 1027c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* p - 15 */ 1037c478bd9Sstevel@tonic-gate #endif /* defined(_SUNOS_VTOC_16) */ 1047c478bd9Sstevel@tonic-gate }; 1057c478bd9Sstevel@tonic-gate 1067c478bd9Sstevel@tonic-gate #ifdef DEBUG 1077c478bd9Sstevel@tonic-gate int efi_debug = 1; 1087c478bd9Sstevel@tonic-gate #else 1097c478bd9Sstevel@tonic-gate int efi_debug = 0; 1107c478bd9Sstevel@tonic-gate #endif 1117c478bd9Sstevel@tonic-gate 1127c478bd9Sstevel@tonic-gate extern unsigned int efi_crc32(const unsigned char *, unsigned int); 1137c478bd9Sstevel@tonic-gate static int efi_read(int, struct dk_gpt *); 1147c478bd9Sstevel@tonic-gate 1157c478bd9Sstevel@tonic-gate static int 1167c478bd9Sstevel@tonic-gate read_disk_info(int fd, diskaddr_t *capacity, uint_t *lbsize) 1177c478bd9Sstevel@tonic-gate { 1187c478bd9Sstevel@tonic-gate struct dk_minfo disk_info; 1197c478bd9Sstevel@tonic-gate 1207c478bd9Sstevel@tonic-gate if ((ioctl(fd, DKIOCGMEDIAINFO, (caddr_t)&disk_info)) == -1) 1217c478bd9Sstevel@tonic-gate return (errno); 1227c478bd9Sstevel@tonic-gate *capacity = disk_info.dki_capacity; 1237c478bd9Sstevel@tonic-gate *lbsize = disk_info.dki_lbsize; 1247c478bd9Sstevel@tonic-gate return (0); 1257c478bd9Sstevel@tonic-gate } 1267c478bd9Sstevel@tonic-gate 1277c478bd9Sstevel@tonic-gate /* 1287c478bd9Sstevel@tonic-gate * the number of blocks the EFI label takes up (round up to nearest 1297c478bd9Sstevel@tonic-gate * block) 1307c478bd9Sstevel@tonic-gate */ 1317c478bd9Sstevel@tonic-gate #define NBLOCKS(p, l) (1 + ((((p) * (int)sizeof (efi_gpe_t)) + \ 1327c478bd9Sstevel@tonic-gate ((l) - 1)) / (l))) 1337c478bd9Sstevel@tonic-gate /* number of partitions -- limited by what we can malloc */ 1347c478bd9Sstevel@tonic-gate #define MAX_PARTS ((4294967295UL - sizeof (struct dk_gpt)) / \ 1357c478bd9Sstevel@tonic-gate sizeof (struct dk_part)) 1367c478bd9Sstevel@tonic-gate 1377c478bd9Sstevel@tonic-gate int 1387c478bd9Sstevel@tonic-gate efi_alloc_and_init(int fd, uint32_t nparts, struct dk_gpt **vtoc) 1397c478bd9Sstevel@tonic-gate { 1407c478bd9Sstevel@tonic-gate diskaddr_t capacity; 1417c478bd9Sstevel@tonic-gate uint_t lbsize; 1427c478bd9Sstevel@tonic-gate uint_t nblocks; 1437c478bd9Sstevel@tonic-gate size_t length; 1447c478bd9Sstevel@tonic-gate struct dk_gpt *vptr; 1457c478bd9Sstevel@tonic-gate struct uuid uuid; 1467c478bd9Sstevel@tonic-gate 1477c478bd9Sstevel@tonic-gate if (read_disk_info(fd, &capacity, &lbsize) != 0) { 1487c478bd9Sstevel@tonic-gate if (efi_debug) 1497c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 1507c478bd9Sstevel@tonic-gate "couldn't read disk information\n"); 1517c478bd9Sstevel@tonic-gate return (-1); 1527c478bd9Sstevel@tonic-gate } 1537c478bd9Sstevel@tonic-gate 1547c478bd9Sstevel@tonic-gate nblocks = NBLOCKS(nparts, lbsize); 1557c478bd9Sstevel@tonic-gate if ((nblocks * lbsize) < EFI_MIN_ARRAY_SIZE + lbsize) { 1567c478bd9Sstevel@tonic-gate /* 16K plus one block for the GPT */ 1577c478bd9Sstevel@tonic-gate nblocks = EFI_MIN_ARRAY_SIZE / lbsize + 1; 1587c478bd9Sstevel@tonic-gate } 1597c478bd9Sstevel@tonic-gate 1607c478bd9Sstevel@tonic-gate if (nparts > MAX_PARTS) { 1617c478bd9Sstevel@tonic-gate if (efi_debug) { 1627c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 1637c478bd9Sstevel@tonic-gate "the maximum number of partitions supported is %lu\n", 1647c478bd9Sstevel@tonic-gate MAX_PARTS); 1657c478bd9Sstevel@tonic-gate } 1667c478bd9Sstevel@tonic-gate return (-1); 1677c478bd9Sstevel@tonic-gate } 1687c478bd9Sstevel@tonic-gate 1697c478bd9Sstevel@tonic-gate length = sizeof (struct dk_gpt) + 1707c478bd9Sstevel@tonic-gate sizeof (struct dk_part) * (nparts - 1); 1717c478bd9Sstevel@tonic-gate 1727c478bd9Sstevel@tonic-gate if ((*vtoc = calloc(length, 1)) == NULL) 1737c478bd9Sstevel@tonic-gate return (-1); 1747c478bd9Sstevel@tonic-gate 1757c478bd9Sstevel@tonic-gate vptr = *vtoc; 1767c478bd9Sstevel@tonic-gate 1777c478bd9Sstevel@tonic-gate vptr->efi_version = EFI_VERSION_CURRENT; 1787c478bd9Sstevel@tonic-gate vptr->efi_lbasize = lbsize; 1797c478bd9Sstevel@tonic-gate vptr->efi_nparts = nparts; 1807c478bd9Sstevel@tonic-gate /* 1817c478bd9Sstevel@tonic-gate * add one block here for the PMBR; on disks with a 512 byte 1827c478bd9Sstevel@tonic-gate * block size and 128 or fewer partitions, efi_first_u_lba 1837c478bd9Sstevel@tonic-gate * should work out to "34" 1847c478bd9Sstevel@tonic-gate */ 1857c478bd9Sstevel@tonic-gate vptr->efi_first_u_lba = nblocks + 1; 1867c478bd9Sstevel@tonic-gate vptr->efi_last_lba = capacity - 1; 187af007057Syl vptr->efi_altern_lba = capacity -1; 1887c478bd9Sstevel@tonic-gate vptr->efi_last_u_lba = vptr->efi_last_lba - nblocks; 1897c478bd9Sstevel@tonic-gate (void) uuid_generate((uchar_t *)&uuid); 1907c478bd9Sstevel@tonic-gate UUID_LE_CONVERT(vptr->efi_disk_uguid, uuid); 1917c478bd9Sstevel@tonic-gate return (0); 1927c478bd9Sstevel@tonic-gate } 1937c478bd9Sstevel@tonic-gate 1947c478bd9Sstevel@tonic-gate /* 1957c478bd9Sstevel@tonic-gate * Read EFI - return partition number upon success. 1967c478bd9Sstevel@tonic-gate */ 1977c478bd9Sstevel@tonic-gate int 1987c478bd9Sstevel@tonic-gate efi_alloc_and_read(int fd, struct dk_gpt **vtoc) 1997c478bd9Sstevel@tonic-gate { 2007c478bd9Sstevel@tonic-gate int rval; 2017c478bd9Sstevel@tonic-gate uint32_t nparts; 2027c478bd9Sstevel@tonic-gate int length; 2037c478bd9Sstevel@tonic-gate 2047c478bd9Sstevel@tonic-gate /* figure out the number of entries that would fit into 16K */ 2057c478bd9Sstevel@tonic-gate nparts = EFI_MIN_ARRAY_SIZE / sizeof (efi_gpe_t); 2067c478bd9Sstevel@tonic-gate length = (int) sizeof (struct dk_gpt) + 207af007057Syl (int) sizeof (struct dk_part) * (nparts - 1); 2087c478bd9Sstevel@tonic-gate if ((*vtoc = calloc(length, 1)) == NULL) 2097c478bd9Sstevel@tonic-gate return (VT_ERROR); 2107c478bd9Sstevel@tonic-gate 2117c478bd9Sstevel@tonic-gate (*vtoc)->efi_nparts = nparts; 2127c478bd9Sstevel@tonic-gate rval = efi_read(fd, *vtoc); 2137c478bd9Sstevel@tonic-gate 2147c478bd9Sstevel@tonic-gate if ((rval == VT_EINVAL) && (*vtoc)->efi_nparts > nparts) { 2157c478bd9Sstevel@tonic-gate void *tmp; 2167c478bd9Sstevel@tonic-gate length = (int) sizeof (struct dk_gpt) + 217af007057Syl (int) sizeof (struct dk_part) * 218af007057Syl ((*vtoc)->efi_nparts - 1); 2197c478bd9Sstevel@tonic-gate nparts = (*vtoc)->efi_nparts; 2207c478bd9Sstevel@tonic-gate if ((tmp = realloc(*vtoc, length)) == NULL) { 2217c478bd9Sstevel@tonic-gate free (*vtoc); 2227c478bd9Sstevel@tonic-gate *vtoc = NULL; 2237c478bd9Sstevel@tonic-gate return (VT_ERROR); 2247c478bd9Sstevel@tonic-gate } else { 2257c478bd9Sstevel@tonic-gate *vtoc = tmp; 2267c478bd9Sstevel@tonic-gate rval = efi_read(fd, *vtoc); 2277c478bd9Sstevel@tonic-gate } 2287c478bd9Sstevel@tonic-gate } 2297c478bd9Sstevel@tonic-gate 2307c478bd9Sstevel@tonic-gate if (rval < 0) { 2317c478bd9Sstevel@tonic-gate if (efi_debug) { 2327c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 2337c478bd9Sstevel@tonic-gate "read of EFI table failed, rval=%d\n", rval); 2347c478bd9Sstevel@tonic-gate } 2357c478bd9Sstevel@tonic-gate free (*vtoc); 2367c478bd9Sstevel@tonic-gate *vtoc = NULL; 2377c478bd9Sstevel@tonic-gate } 2387c478bd9Sstevel@tonic-gate 2397c478bd9Sstevel@tonic-gate return (rval); 2407c478bd9Sstevel@tonic-gate } 2417c478bd9Sstevel@tonic-gate 2427c478bd9Sstevel@tonic-gate static int 2437c478bd9Sstevel@tonic-gate efi_ioctl(int fd, int cmd, dk_efi_t *dk_ioc) 2447c478bd9Sstevel@tonic-gate { 2457c478bd9Sstevel@tonic-gate void *data = dk_ioc->dki_data; 2467c478bd9Sstevel@tonic-gate int error; 2477c478bd9Sstevel@tonic-gate 2487c478bd9Sstevel@tonic-gate dk_ioc->dki_data_64 = (uint64_t)(uintptr_t)data; 2497c478bd9Sstevel@tonic-gate error = ioctl(fd, cmd, (void *)dk_ioc); 2507c478bd9Sstevel@tonic-gate dk_ioc->dki_data = data; 2517c478bd9Sstevel@tonic-gate 2527c478bd9Sstevel@tonic-gate return (error); 2537c478bd9Sstevel@tonic-gate } 2547c478bd9Sstevel@tonic-gate 2557c478bd9Sstevel@tonic-gate static int 2567c478bd9Sstevel@tonic-gate check_label(int fd, dk_efi_t *dk_ioc) 2577c478bd9Sstevel@tonic-gate { 2587c478bd9Sstevel@tonic-gate efi_gpt_t *efi; 2597c478bd9Sstevel@tonic-gate uint_t crc; 2607c478bd9Sstevel@tonic-gate 2617c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCGETEFI, dk_ioc) == -1) { 2627c478bd9Sstevel@tonic-gate switch (errno) { 2637c478bd9Sstevel@tonic-gate case EIO: 2647c478bd9Sstevel@tonic-gate return (VT_EIO); 2657c478bd9Sstevel@tonic-gate default: 2667c478bd9Sstevel@tonic-gate return (VT_ERROR); 2677c478bd9Sstevel@tonic-gate } 2687c478bd9Sstevel@tonic-gate } 2697c478bd9Sstevel@tonic-gate efi = dk_ioc->dki_data; 2707c478bd9Sstevel@tonic-gate if (efi->efi_gpt_Signature != LE_64(EFI_SIGNATURE)) { 2717c478bd9Sstevel@tonic-gate if (efi_debug) 2727c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 2737c478bd9Sstevel@tonic-gate "Bad EFI signature: 0x%llx != 0x%llx\n", 2747c478bd9Sstevel@tonic-gate (long long)efi->efi_gpt_Signature, 2757c478bd9Sstevel@tonic-gate (long long)LE_64(EFI_SIGNATURE)); 2767c478bd9Sstevel@tonic-gate return (VT_EINVAL); 2777c478bd9Sstevel@tonic-gate } 2787c478bd9Sstevel@tonic-gate 2797c478bd9Sstevel@tonic-gate /* 2807c478bd9Sstevel@tonic-gate * check CRC of the header; the size of the header should 2817c478bd9Sstevel@tonic-gate * never be larger than one block 2827c478bd9Sstevel@tonic-gate */ 2837c478bd9Sstevel@tonic-gate crc = efi->efi_gpt_HeaderCRC32; 2847c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 0; 2857c478bd9Sstevel@tonic-gate 2867c478bd9Sstevel@tonic-gate if (((len_t)LE_32(efi->efi_gpt_HeaderSize) > dk_ioc->dki_length) || 2877c478bd9Sstevel@tonic-gate crc != LE_32(efi_crc32((unsigned char *)efi, 2887c478bd9Sstevel@tonic-gate LE_32(efi->efi_gpt_HeaderSize)))) { 2897c478bd9Sstevel@tonic-gate if (efi_debug) 2907c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 291af007057Syl "Bad EFI CRC: 0x%x != 0x%x\n", 292af007057Syl crc, 293af007057Syl LE_32(efi_crc32((unsigned char *)efi, 294af007057Syl sizeof (struct efi_gpt)))); 2957c478bd9Sstevel@tonic-gate return (VT_EINVAL); 2967c478bd9Sstevel@tonic-gate } 2977c478bd9Sstevel@tonic-gate 2987c478bd9Sstevel@tonic-gate return (0); 2997c478bd9Sstevel@tonic-gate } 3007c478bd9Sstevel@tonic-gate 3017c478bd9Sstevel@tonic-gate static int 3027c478bd9Sstevel@tonic-gate efi_read(int fd, struct dk_gpt *vtoc) 3037c478bd9Sstevel@tonic-gate { 3047c478bd9Sstevel@tonic-gate int i, j; 3057c478bd9Sstevel@tonic-gate int label_len; 3067c478bd9Sstevel@tonic-gate int rval = 0; 3077c478bd9Sstevel@tonic-gate int md_flag = 0; 3087c478bd9Sstevel@tonic-gate struct dk_minfo disk_info; 3097c478bd9Sstevel@tonic-gate dk_efi_t dk_ioc; 3107c478bd9Sstevel@tonic-gate efi_gpt_t *efi; 3117c478bd9Sstevel@tonic-gate efi_gpe_t *efi_parts; 3127c478bd9Sstevel@tonic-gate struct dk_cinfo dki_info; 3137c478bd9Sstevel@tonic-gate uint32_t user_length; 31486bbaf93Scg boolean_t legacy_label = B_FALSE; 3157c478bd9Sstevel@tonic-gate 3167c478bd9Sstevel@tonic-gate /* 3177c478bd9Sstevel@tonic-gate * get the partition number for this file descriptor. 3187c478bd9Sstevel@tonic-gate */ 3197c478bd9Sstevel@tonic-gate if (ioctl(fd, DKIOCINFO, (caddr_t)&dki_info) == -1) { 320af007057Syl if (efi_debug) { 321af007057Syl (void) fprintf(stderr, "DKIOCINFO errno 0x%x\n", errno); 322af007057Syl } 3237c478bd9Sstevel@tonic-gate switch (errno) { 3247c478bd9Sstevel@tonic-gate case EIO: 3257c478bd9Sstevel@tonic-gate return (VT_EIO); 3267c478bd9Sstevel@tonic-gate case EINVAL: 3277c478bd9Sstevel@tonic-gate return (VT_EINVAL); 3287c478bd9Sstevel@tonic-gate default: 3297c478bd9Sstevel@tonic-gate return (VT_ERROR); 3307c478bd9Sstevel@tonic-gate } 3317c478bd9Sstevel@tonic-gate } 3327c478bd9Sstevel@tonic-gate if ((strncmp(dki_info.dki_cname, "pseudo", 7) == 0) && 3337c478bd9Sstevel@tonic-gate (strncmp(dki_info.dki_dname, "md", 3) == 0)) { 3347c478bd9Sstevel@tonic-gate md_flag++; 3357c478bd9Sstevel@tonic-gate } 3367c478bd9Sstevel@tonic-gate /* get the LBA size */ 3377c478bd9Sstevel@tonic-gate if (ioctl(fd, DKIOCGMEDIAINFO, (caddr_t)&disk_info) == -1) { 3387c478bd9Sstevel@tonic-gate if (efi_debug) { 3397c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 3407c478bd9Sstevel@tonic-gate "assuming LBA 512 bytes %d\n", 3417c478bd9Sstevel@tonic-gate errno); 3427c478bd9Sstevel@tonic-gate } 3437c478bd9Sstevel@tonic-gate disk_info.dki_lbsize = DEV_BSIZE; 3447c478bd9Sstevel@tonic-gate } 3457c478bd9Sstevel@tonic-gate if (disk_info.dki_lbsize == 0) { 3467c478bd9Sstevel@tonic-gate if (efi_debug) { 3477c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 3487c478bd9Sstevel@tonic-gate "efi_read: assuming LBA 512 bytes\n"); 3497c478bd9Sstevel@tonic-gate } 3507c478bd9Sstevel@tonic-gate disk_info.dki_lbsize = DEV_BSIZE; 3517c478bd9Sstevel@tonic-gate } 3527c478bd9Sstevel@tonic-gate /* 3537c478bd9Sstevel@tonic-gate * Read the EFI GPT to figure out how many partitions we need 3547c478bd9Sstevel@tonic-gate * to deal with. 3557c478bd9Sstevel@tonic-gate */ 3567c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = 1; 3577c478bd9Sstevel@tonic-gate if (NBLOCKS(vtoc->efi_nparts, disk_info.dki_lbsize) < 34) { 3587c478bd9Sstevel@tonic-gate label_len = EFI_MIN_ARRAY_SIZE + disk_info.dki_lbsize; 3597c478bd9Sstevel@tonic-gate } else { 3607c478bd9Sstevel@tonic-gate label_len = vtoc->efi_nparts * (int) sizeof (efi_gpe_t) + 361af007057Syl disk_info.dki_lbsize; 3627c478bd9Sstevel@tonic-gate if (label_len % disk_info.dki_lbsize) { 3637c478bd9Sstevel@tonic-gate /* pad to physical sector size */ 3647c478bd9Sstevel@tonic-gate label_len += disk_info.dki_lbsize; 3657c478bd9Sstevel@tonic-gate label_len &= ~(disk_info.dki_lbsize - 1); 3667c478bd9Sstevel@tonic-gate } 3677c478bd9Sstevel@tonic-gate } 3687c478bd9Sstevel@tonic-gate 3697c478bd9Sstevel@tonic-gate if ((dk_ioc.dki_data = calloc(label_len, 1)) == NULL) 3707c478bd9Sstevel@tonic-gate return (VT_ERROR); 3717c478bd9Sstevel@tonic-gate 372c7e1889fSyl dk_ioc.dki_length = disk_info.dki_lbsize; 3737c478bd9Sstevel@tonic-gate user_length = vtoc->efi_nparts; 3747c478bd9Sstevel@tonic-gate efi = dk_ioc.dki_data; 3757c478bd9Sstevel@tonic-gate if (md_flag) { 376c7e1889fSyl dk_ioc.dki_length = label_len; 3777c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCGETEFI, &dk_ioc) == -1) { 3787c478bd9Sstevel@tonic-gate switch (errno) { 3797c478bd9Sstevel@tonic-gate case EIO: 3807c478bd9Sstevel@tonic-gate return (VT_EIO); 3817c478bd9Sstevel@tonic-gate default: 3827c478bd9Sstevel@tonic-gate return (VT_ERROR); 3837c478bd9Sstevel@tonic-gate } 3847c478bd9Sstevel@tonic-gate } 3857c478bd9Sstevel@tonic-gate } else if ((rval = check_label(fd, &dk_ioc)) == VT_EINVAL) { 38686bbaf93Scg /* 38786bbaf93Scg * No valid label here; try the alternate. Note that here 38886bbaf93Scg * we just read GPT header and save it into dk_ioc.data, 38986bbaf93Scg * Later, we will read GUID partition entry array if we 39086bbaf93Scg * can get valid GPT header. 39186bbaf93Scg */ 39286bbaf93Scg 39386bbaf93Scg /* 39486bbaf93Scg * This is a workaround for legacy systems. In the past, the 39586bbaf93Scg * last sector of SCSI disk was invisible on x86 platform. At 39686bbaf93Scg * that time, backup label was saved on the next to the last 39786bbaf93Scg * sector. It is possible for users to move a disk from previous 39886bbaf93Scg * solaris system to present system. Here, we attempt to search 39986bbaf93Scg * legacy backup EFI label first. 40086bbaf93Scg */ 40186bbaf93Scg dk_ioc.dki_lba = disk_info.dki_capacity - 2; 4027c478bd9Sstevel@tonic-gate dk_ioc.dki_length = disk_info.dki_lbsize; 4034f0dea16Scg rval = check_label(fd, &dk_ioc); 40486bbaf93Scg if (rval == VT_EINVAL) { 4054f0dea16Scg /* 40686bbaf93Scg * we didn't find legacy backup EFI label, try to 40786bbaf93Scg * search backup EFI label in the last block. 4084f0dea16Scg */ 40986bbaf93Scg dk_ioc.dki_lba = disk_info.dki_capacity - 1; 4104f0dea16Scg dk_ioc.dki_length = disk_info.dki_lbsize; 4114f0dea16Scg rval = check_label(fd, &dk_ioc); 41286bbaf93Scg if (rval == 0) { 41386bbaf93Scg legacy_label = B_TRUE; 41486bbaf93Scg if (efi_debug) 41586bbaf93Scg (void) fprintf(stderr, 41686bbaf93Scg "efi_read: primary label corrupt; " 41786bbaf93Scg "using EFI backup label located on" 41886bbaf93Scg " the last block\n"); 4194f0dea16Scg } 42086bbaf93Scg } else { 42186bbaf93Scg if ((efi_debug) && (rval == 0)) 42286bbaf93Scg (void) fprintf(stderr, "efi_read: primary label" 42386bbaf93Scg " corrupt; using legacy EFI backup label " 42486bbaf93Scg " located on the next to last block\n"); 4254f0dea16Scg } 4264f0dea16Scg 4274f0dea16Scg if (rval == 0) { 4287c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = LE_64(efi->efi_gpt_PartitionEntryLBA); 4297c478bd9Sstevel@tonic-gate vtoc->efi_flags |= EFI_GPT_PRIMARY_CORRUPT; 4307c478bd9Sstevel@tonic-gate vtoc->efi_nparts = 4317c478bd9Sstevel@tonic-gate LE_32(efi->efi_gpt_NumberOfPartitionEntries); 43286bbaf93Scg 4337c478bd9Sstevel@tonic-gate /* 43486bbaf93Scg * Partition tables are between backup GPT header 43586bbaf93Scg * table and ParitionEntryLBA (the starting LBA of 43686bbaf93Scg * the GUID partition entries array). Now that we 43786bbaf93Scg * already got valid GPT header and saved it in 43886bbaf93Scg * dk_ioc.dki_data, we try to get GUID partition 43986bbaf93Scg * entry array here. 4407c478bd9Sstevel@tonic-gate */ 4417c478bd9Sstevel@tonic-gate dk_ioc.dki_data++; 44286bbaf93Scg if (legacy_label) 44386bbaf93Scg dk_ioc.dki_length = disk_info.dki_capacity - 1 - 444af007057Syl dk_ioc.dki_lba; 44586bbaf93Scg else 44686bbaf93Scg dk_ioc.dki_length = disk_info.dki_capacity - 2 - 447af007057Syl dk_ioc.dki_lba; 4487c478bd9Sstevel@tonic-gate dk_ioc.dki_length *= disk_info.dki_lbsize; 44986bbaf93Scg if (dk_ioc.dki_length > 45086bbaf93Scg ((len_t)label_len - sizeof (*dk_ioc.dki_data))) { 4517c478bd9Sstevel@tonic-gate rval = VT_EINVAL; 4527c478bd9Sstevel@tonic-gate } else { 45386bbaf93Scg /* 45486bbaf93Scg * read GUID partition entry array 45586bbaf93Scg */ 4567c478bd9Sstevel@tonic-gate rval = efi_ioctl(fd, DKIOCGETEFI, &dk_ioc); 4577c478bd9Sstevel@tonic-gate } 4587c478bd9Sstevel@tonic-gate } 459c7e1889fSyl } else { 460c7e1889fSyl dk_ioc.dki_lba = LE_64(efi->efi_gpt_PartitionEntryLBA); 461c7e1889fSyl dk_ioc.dki_data++; 462c7e1889fSyl dk_ioc.dki_length = label_len - disk_info.dki_lbsize; 463c7e1889fSyl rval = efi_ioctl(fd, DKIOCGETEFI, &dk_ioc); 4647c478bd9Sstevel@tonic-gate } 4657c478bd9Sstevel@tonic-gate if (rval < 0) { 4667c478bd9Sstevel@tonic-gate free(efi); 4677c478bd9Sstevel@tonic-gate return (rval); 4687c478bd9Sstevel@tonic-gate } 4697c478bd9Sstevel@tonic-gate 4707c478bd9Sstevel@tonic-gate /* LINTED -- always longlong aligned */ 471c7e1889fSyl efi_parts = (efi_gpe_t *)(((char *)efi) + disk_info.dki_lbsize); 4727c478bd9Sstevel@tonic-gate 4737c478bd9Sstevel@tonic-gate /* 4747c478bd9Sstevel@tonic-gate * Assemble this into a "dk_gpt" struct for easier 4757c478bd9Sstevel@tonic-gate * digestibility by applications. 4767c478bd9Sstevel@tonic-gate */ 4777c478bd9Sstevel@tonic-gate vtoc->efi_version = LE_32(efi->efi_gpt_Revision); 4787c478bd9Sstevel@tonic-gate vtoc->efi_nparts = LE_32(efi->efi_gpt_NumberOfPartitionEntries); 4797c478bd9Sstevel@tonic-gate vtoc->efi_part_size = LE_32(efi->efi_gpt_SizeOfPartitionEntry); 4807c478bd9Sstevel@tonic-gate vtoc->efi_lbasize = disk_info.dki_lbsize; 4817c478bd9Sstevel@tonic-gate vtoc->efi_last_lba = disk_info.dki_capacity - 1; 4827c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba = LE_64(efi->efi_gpt_FirstUsableLBA); 4837c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba = LE_64(efi->efi_gpt_LastUsableLBA); 484af007057Syl vtoc->efi_altern_lba = LE_64(efi->efi_gpt_AlternateLBA); 4857c478bd9Sstevel@tonic-gate UUID_LE_CONVERT(vtoc->efi_disk_uguid, efi->efi_gpt_DiskGUID); 4867c478bd9Sstevel@tonic-gate 4877c478bd9Sstevel@tonic-gate /* 4887c478bd9Sstevel@tonic-gate * If the array the user passed in is too small, set the length 4897c478bd9Sstevel@tonic-gate * to what it needs to be and return 4907c478bd9Sstevel@tonic-gate */ 4917c478bd9Sstevel@tonic-gate if (user_length < vtoc->efi_nparts) { 4927c478bd9Sstevel@tonic-gate return (VT_EINVAL); 4937c478bd9Sstevel@tonic-gate } 4947c478bd9Sstevel@tonic-gate 4957c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 4967c478bd9Sstevel@tonic-gate 497af007057Syl UUID_LE_CONVERT(vtoc->efi_parts[i].p_guid, 498af007057Syl efi_parts[i].efi_gpe_PartitionTypeGUID); 499af007057Syl 500af007057Syl for (j = 0; 501af007057Syl j < sizeof (conversion_array) 502af007057Syl / sizeof (struct uuid_to_ptag); j++) { 503af007057Syl 504af007057Syl if (bcmp(&vtoc->efi_parts[i].p_guid, 505af007057Syl &conversion_array[j].uuid, 506af007057Syl sizeof (struct uuid)) == 0) { 507af007057Syl vtoc->efi_parts[i].p_tag = j; 508af007057Syl break; 509af007057Syl } 510af007057Syl } 511af007057Syl if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) 512af007057Syl continue; 513af007057Syl vtoc->efi_parts[i].p_flag = 514af007057Syl LE_16(efi_parts[i].efi_gpe_Attributes.PartitionAttrs); 515af007057Syl vtoc->efi_parts[i].p_start = 516af007057Syl LE_64(efi_parts[i].efi_gpe_StartingLBA); 517af007057Syl vtoc->efi_parts[i].p_size = 518af007057Syl LE_64(efi_parts[i].efi_gpe_EndingLBA) - 5197c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start + 1; 520af007057Syl for (j = 0; j < EFI_PART_NAME_LEN; j++) { 521af007057Syl vtoc->efi_parts[i].p_name[j] = 522af007057Syl (uchar_t)LE_16( 523af007057Syl efi_parts[i].efi_gpe_PartitionName[j]); 524af007057Syl } 5257c478bd9Sstevel@tonic-gate 526af007057Syl UUID_LE_CONVERT(vtoc->efi_parts[i].p_uguid, 527af007057Syl efi_parts[i].efi_gpe_UniquePartitionGUID); 5287c478bd9Sstevel@tonic-gate } 5297c478bd9Sstevel@tonic-gate free(efi); 5307c478bd9Sstevel@tonic-gate 5317c478bd9Sstevel@tonic-gate return (dki_info.dki_partition); 5327c478bd9Sstevel@tonic-gate } 5337c478bd9Sstevel@tonic-gate 5347c478bd9Sstevel@tonic-gate /* writes a "protective" MBR */ 5357c478bd9Sstevel@tonic-gate static int 5367c478bd9Sstevel@tonic-gate write_pmbr(int fd, struct dk_gpt *vtoc) 5377c478bd9Sstevel@tonic-gate { 5387c478bd9Sstevel@tonic-gate dk_efi_t dk_ioc; 5397c478bd9Sstevel@tonic-gate struct mboot mb; 5407c478bd9Sstevel@tonic-gate uchar_t *cp; 5417c478bd9Sstevel@tonic-gate diskaddr_t size_in_lba; 5427c478bd9Sstevel@tonic-gate 543*987e90dcSxl /* 544*987e90dcSxl * Preserve any boot code and disk signature if the first block is 545*987e90dcSxl * already an MBR. 546*987e90dcSxl */ 547*987e90dcSxl dk_ioc.dki_lba = 0; 548*987e90dcSxl dk_ioc.dki_length = sizeof (mb); 549*987e90dcSxl /* LINTED -- always longlong aligned */ 550*987e90dcSxl dk_ioc.dki_data = (efi_gpt_t *)&mb; 551*987e90dcSxl if (efi_ioctl(fd, DKIOCGETEFI, &dk_ioc) == -1 || 552*987e90dcSxl mb.signature != LE_16(MBB_MAGIC)) { 553*987e90dcSxl bzero(&mb, sizeof (mb)); 554*987e90dcSxl mb.signature = LE_16(MBB_MAGIC); 555*987e90dcSxl } 5567c478bd9Sstevel@tonic-gate bzero(&mb.parts, sizeof (mb.parts)); 5577c478bd9Sstevel@tonic-gate cp = (uchar_t *)&mb.parts[0]; 5587c478bd9Sstevel@tonic-gate /* bootable or not */ 5597c478bd9Sstevel@tonic-gate *cp++ = 0; 5607c478bd9Sstevel@tonic-gate /* beginning CHS; 0xffffff if not representable */ 5617c478bd9Sstevel@tonic-gate *cp++ = 0xff; 5627c478bd9Sstevel@tonic-gate *cp++ = 0xff; 5637c478bd9Sstevel@tonic-gate *cp++ = 0xff; 5647c478bd9Sstevel@tonic-gate /* OS type */ 5657c478bd9Sstevel@tonic-gate *cp++ = EFI_PMBR; 5667c478bd9Sstevel@tonic-gate /* ending CHS; 0xffffff if not representable */ 5677c478bd9Sstevel@tonic-gate *cp++ = 0xff; 5687c478bd9Sstevel@tonic-gate *cp++ = 0xff; 5697c478bd9Sstevel@tonic-gate *cp++ = 0xff; 5707c478bd9Sstevel@tonic-gate /* starting LBA: 1 (little endian format) by EFI definition */ 5717c478bd9Sstevel@tonic-gate *cp++ = 0x01; 5727c478bd9Sstevel@tonic-gate *cp++ = 0x00; 5737c478bd9Sstevel@tonic-gate *cp++ = 0x00; 5747c478bd9Sstevel@tonic-gate *cp++ = 0x00; 5757c478bd9Sstevel@tonic-gate /* ending LBA: last block on the disk (little endian format) */ 5767c478bd9Sstevel@tonic-gate size_in_lba = vtoc->efi_last_lba; 5777c478bd9Sstevel@tonic-gate if (size_in_lba < 0xffffffff) { 5787c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0x000000ff); 5797c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0x0000ff00) >> 8; 5807c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0x00ff0000) >> 16; 5817c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0xff000000) >> 24; 5827c478bd9Sstevel@tonic-gate } else { 5837c478bd9Sstevel@tonic-gate *cp++ = 0xff; 5847c478bd9Sstevel@tonic-gate *cp++ = 0xff; 5857c478bd9Sstevel@tonic-gate *cp++ = 0xff; 5867c478bd9Sstevel@tonic-gate *cp++ = 0xff; 5877c478bd9Sstevel@tonic-gate } 5887c478bd9Sstevel@tonic-gate /* LINTED -- always longlong aligned */ 5897c478bd9Sstevel@tonic-gate dk_ioc.dki_data = (efi_gpt_t *)&mb; 5907c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = 0; 5917c478bd9Sstevel@tonic-gate dk_ioc.dki_length = sizeof (mb); 5927c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 5937c478bd9Sstevel@tonic-gate switch (errno) { 5947c478bd9Sstevel@tonic-gate case EIO: 5957c478bd9Sstevel@tonic-gate return (VT_EIO); 5967c478bd9Sstevel@tonic-gate case EINVAL: 5977c478bd9Sstevel@tonic-gate return (VT_EINVAL); 5987c478bd9Sstevel@tonic-gate default: 5997c478bd9Sstevel@tonic-gate return (VT_ERROR); 6007c478bd9Sstevel@tonic-gate } 6017c478bd9Sstevel@tonic-gate } 6027c478bd9Sstevel@tonic-gate return (0); 6037c478bd9Sstevel@tonic-gate } 6047c478bd9Sstevel@tonic-gate 6057c478bd9Sstevel@tonic-gate /* make sure the user specified something reasonable */ 6067c478bd9Sstevel@tonic-gate static int 6077c478bd9Sstevel@tonic-gate check_input(struct dk_gpt *vtoc) 6087c478bd9Sstevel@tonic-gate { 6097c478bd9Sstevel@tonic-gate int resv_part = -1; 6107c478bd9Sstevel@tonic-gate int i, j; 6117c478bd9Sstevel@tonic-gate diskaddr_t istart, jstart, isize, jsize, endsect; 6127c478bd9Sstevel@tonic-gate 6137c478bd9Sstevel@tonic-gate /* 6147c478bd9Sstevel@tonic-gate * Sanity-check the input (make sure no partitions overlap) 6157c478bd9Sstevel@tonic-gate */ 6167c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 6177c478bd9Sstevel@tonic-gate /* It can't be unassigned and have an actual size */ 6187c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_tag == V_UNASSIGNED) && 6197c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_size != 0)) { 6207c478bd9Sstevel@tonic-gate if (efi_debug) { 6217c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 6227c478bd9Sstevel@tonic-gate "partition %d is \"unassigned\" but has a size of %llu", 6237c478bd9Sstevel@tonic-gate i, 6247c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size); 6257c478bd9Sstevel@tonic-gate } 6267c478bd9Sstevel@tonic-gate return (VT_EINVAL); 6277c478bd9Sstevel@tonic-gate } 6287c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) { 629f2be5148Sszhou if (uuid_is_null((uchar_t *)&vtoc->efi_parts[i].p_guid)) 630f2be5148Sszhou continue; 631f2be5148Sszhou /* we have encountered an unknown uuid */ 632f2be5148Sszhou vtoc->efi_parts[i].p_tag = 0xff; 6337c478bd9Sstevel@tonic-gate } 6347c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_RESERVED) { 6357c478bd9Sstevel@tonic-gate if (resv_part != -1) { 6367c478bd9Sstevel@tonic-gate if (efi_debug) { 637af007057Syl (void) fprintf(stderr, 6387c478bd9Sstevel@tonic-gate "found duplicate reserved partition at %d\n", 639af007057Syl i); 6407c478bd9Sstevel@tonic-gate } 6417c478bd9Sstevel@tonic-gate return (VT_EINVAL); 6427c478bd9Sstevel@tonic-gate } 6437c478bd9Sstevel@tonic-gate resv_part = i; 6447c478bd9Sstevel@tonic-gate } 6457c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start < vtoc->efi_first_u_lba) || 6467c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start > vtoc->efi_last_u_lba)) { 6477c478bd9Sstevel@tonic-gate if (efi_debug) { 6487c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 6497c478bd9Sstevel@tonic-gate "Partition %d starts at %llu. ", 6507c478bd9Sstevel@tonic-gate i, 6517c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start); 6527c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 6537c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 6547c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 6557c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 6567c478bd9Sstevel@tonic-gate } 6577c478bd9Sstevel@tonic-gate return (VT_EINVAL); 6587c478bd9Sstevel@tonic-gate } 6597c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start + 6607c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size < 6617c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba) || 6627c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start + 6637c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size > 6647c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba + 1)) { 6657c478bd9Sstevel@tonic-gate if (efi_debug) { 6667c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 6677c478bd9Sstevel@tonic-gate "Partition %d ends at %llu. ", 6687c478bd9Sstevel@tonic-gate i, 6697c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start + 6707c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size); 6717c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 6727c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 6737c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 6747c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 6757c478bd9Sstevel@tonic-gate } 6767c478bd9Sstevel@tonic-gate return (VT_EINVAL); 6777c478bd9Sstevel@tonic-gate } 6787c478bd9Sstevel@tonic-gate 6797c478bd9Sstevel@tonic-gate for (j = 0; j < vtoc->efi_nparts; j++) { 6807c478bd9Sstevel@tonic-gate isize = vtoc->efi_parts[i].p_size; 6817c478bd9Sstevel@tonic-gate jsize = vtoc->efi_parts[j].p_size; 6827c478bd9Sstevel@tonic-gate istart = vtoc->efi_parts[i].p_start; 6837c478bd9Sstevel@tonic-gate jstart = vtoc->efi_parts[j].p_start; 6847c478bd9Sstevel@tonic-gate if ((i != j) && (isize != 0) && (jsize != 0)) { 6857c478bd9Sstevel@tonic-gate endsect = jstart + jsize -1; 6867c478bd9Sstevel@tonic-gate if ((jstart <= istart) && 6877c478bd9Sstevel@tonic-gate (istart <= endsect)) { 6887c478bd9Sstevel@tonic-gate if (efi_debug) { 6897c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 6907c478bd9Sstevel@tonic-gate "Partition %d overlaps partition %d.", 6917c478bd9Sstevel@tonic-gate i, j); 692af007057Syl } 693af007057Syl return (VT_EINVAL); 6947c478bd9Sstevel@tonic-gate } 6957c478bd9Sstevel@tonic-gate } 6967c478bd9Sstevel@tonic-gate } 6977c478bd9Sstevel@tonic-gate } 6987c478bd9Sstevel@tonic-gate /* just a warning for now */ 6997c478bd9Sstevel@tonic-gate if ((resv_part == -1) && efi_debug) { 7007c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 701af007057Syl "no reserved partition found\n"); 7027c478bd9Sstevel@tonic-gate } 7037c478bd9Sstevel@tonic-gate return (0); 7047c478bd9Sstevel@tonic-gate } 7057c478bd9Sstevel@tonic-gate 706af007057Syl /* 707af007057Syl * add all the unallocated space to the current label 708af007057Syl */ 709af007057Syl int 710af007057Syl efi_use_whole_disk(int fd) 711af007057Syl { 712af007057Syl struct dk_gpt *efi_label; 713af007057Syl int rval; 714af007057Syl int i; 715af007057Syl uint_t phy_last_slice = 0; 716af007057Syl diskaddr_t pl_start = 0; 717af007057Syl diskaddr_t pl_size; 718af007057Syl 719af007057Syl rval = efi_alloc_and_read(fd, &efi_label); 720af007057Syl if (rval < 0) { 721af007057Syl return (rval); 722af007057Syl } 723af007057Syl 724af007057Syl /* find the last physically non-zero partition */ 725af007057Syl for (i = 0; i < efi_label->efi_nparts - 2; i ++) { 726af007057Syl if (pl_start < efi_label->efi_parts[i].p_start) { 727af007057Syl pl_start = efi_label->efi_parts[i].p_start; 728af007057Syl phy_last_slice = i; 729af007057Syl } 730af007057Syl } 731af007057Syl pl_size = efi_label->efi_parts[phy_last_slice].p_size; 732af007057Syl 733af007057Syl /* 734af007057Syl * If alter_lba is 1, we are using the backup label. 735af007057Syl * Since we can locate the backup label by disk capacity, 736af007057Syl * there must be no unallocated space. 737af007057Syl */ 738af007057Syl if ((efi_label->efi_altern_lba == 1) || (efi_label->efi_altern_lba 739af007057Syl >= efi_label->efi_last_lba)) { 740af007057Syl if (efi_debug) { 741af007057Syl (void) fprintf(stderr, 742af007057Syl "efi_use_whole_disk: requested space not found\n"); 743af007057Syl } 744af007057Syl efi_free(efi_label); 745af007057Syl return (VT_ENOSPC); 746af007057Syl } 747af007057Syl 748af007057Syl /* 749af007057Syl * If there is space between the last physically non-zero partition 750af007057Syl * and the reserved partition, just add the unallocated space to this 751af007057Syl * area. Otherwise, the unallocated space is added to the last 752af007057Syl * physically non-zero partition. 753af007057Syl */ 754af007057Syl if (pl_start + pl_size - 1 == efi_label->efi_last_u_lba - 755af007057Syl EFI_MIN_RESV_SIZE) { 756af007057Syl efi_label->efi_parts[phy_last_slice].p_size += 757af007057Syl efi_label->efi_last_lba - efi_label->efi_altern_lba; 758af007057Syl } 759af007057Syl 760af007057Syl /* 761af007057Syl * Move the reserved partition. There is currently no data in 762af007057Syl * here except fabricated devids (which get generated via 763af007057Syl * efi_write()). So there is no need to copy data. 764af007057Syl */ 765af007057Syl efi_label->efi_parts[efi_label->efi_nparts - 1].p_start += 766af007057Syl efi_label->efi_last_lba - efi_label->efi_altern_lba; 767af007057Syl efi_label->efi_last_u_lba += efi_label->efi_last_lba 768af007057Syl - efi_label->efi_altern_lba; 769af007057Syl 770af007057Syl rval = efi_write(fd, efi_label); 771af007057Syl if (rval < 0) { 772af007057Syl if (efi_debug) { 773af007057Syl (void) fprintf(stderr, 774af007057Syl "efi_use_whole_disk:fail to write label, rval=%d\n", 775af007057Syl rval); 776af007057Syl } 777af007057Syl efi_free(efi_label); 778af007057Syl return (rval); 779af007057Syl } 780af007057Syl 781af007057Syl efi_free(efi_label); 782af007057Syl return (0); 783af007057Syl } 784af007057Syl 785af007057Syl 7867c478bd9Sstevel@tonic-gate /* 7877c478bd9Sstevel@tonic-gate * write EFI label and backup label 7887c478bd9Sstevel@tonic-gate */ 7897c478bd9Sstevel@tonic-gate int 7907c478bd9Sstevel@tonic-gate efi_write(int fd, struct dk_gpt *vtoc) 7917c478bd9Sstevel@tonic-gate { 7927c478bd9Sstevel@tonic-gate dk_efi_t dk_ioc; 7937c478bd9Sstevel@tonic-gate efi_gpt_t *efi; 7947c478bd9Sstevel@tonic-gate efi_gpe_t *efi_parts; 7957c478bd9Sstevel@tonic-gate int i, j; 7967c478bd9Sstevel@tonic-gate struct dk_cinfo dki_info; 7977c478bd9Sstevel@tonic-gate int md_flag = 0; 79886bbaf93Scg int nblocks; 79986bbaf93Scg diskaddr_t lba_backup_gpt_hdr; 8007c478bd9Sstevel@tonic-gate 8017c478bd9Sstevel@tonic-gate if (ioctl(fd, DKIOCINFO, (caddr_t)&dki_info) == -1) { 8027c478bd9Sstevel@tonic-gate if (efi_debug) 8037c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "DKIOCINFO errno 0x%x\n", errno); 8047c478bd9Sstevel@tonic-gate switch (errno) { 8057c478bd9Sstevel@tonic-gate case EIO: 8067c478bd9Sstevel@tonic-gate return (VT_EIO); 8077c478bd9Sstevel@tonic-gate case EINVAL: 8087c478bd9Sstevel@tonic-gate return (VT_EINVAL); 8097c478bd9Sstevel@tonic-gate default: 8107c478bd9Sstevel@tonic-gate return (VT_ERROR); 8117c478bd9Sstevel@tonic-gate } 8127c478bd9Sstevel@tonic-gate } 8137c478bd9Sstevel@tonic-gate 8147c478bd9Sstevel@tonic-gate /* check if we are dealing wih a metadevice */ 8157c478bd9Sstevel@tonic-gate if ((strncmp(dki_info.dki_cname, "pseudo", 7) == 0) && 8167c478bd9Sstevel@tonic-gate (strncmp(dki_info.dki_dname, "md", 3) == 0)) { 8177c478bd9Sstevel@tonic-gate md_flag = 1; 8187c478bd9Sstevel@tonic-gate } 8197c478bd9Sstevel@tonic-gate 8207c478bd9Sstevel@tonic-gate if (check_input(vtoc)) { 8217c478bd9Sstevel@tonic-gate /* 8227c478bd9Sstevel@tonic-gate * not valid; if it's a metadevice just pass it down 8237c478bd9Sstevel@tonic-gate * because SVM will do its own checking 8247c478bd9Sstevel@tonic-gate */ 8257c478bd9Sstevel@tonic-gate if (md_flag == 0) { 8267c478bd9Sstevel@tonic-gate return (VT_EINVAL); 8277c478bd9Sstevel@tonic-gate } 8287c478bd9Sstevel@tonic-gate } 8297c478bd9Sstevel@tonic-gate 8307c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = 1; 8317c478bd9Sstevel@tonic-gate if (NBLOCKS(vtoc->efi_nparts, vtoc->efi_lbasize) < 34) { 8327c478bd9Sstevel@tonic-gate dk_ioc.dki_length = EFI_MIN_ARRAY_SIZE + vtoc->efi_lbasize; 8337c478bd9Sstevel@tonic-gate } else { 8347c478bd9Sstevel@tonic-gate dk_ioc.dki_length = NBLOCKS(vtoc->efi_nparts, 835af007057Syl vtoc->efi_lbasize) * 836af007057Syl vtoc->efi_lbasize; 8377c478bd9Sstevel@tonic-gate } 8387c478bd9Sstevel@tonic-gate 83986bbaf93Scg /* 84086bbaf93Scg * the number of blocks occupied by GUID partition entry array 84186bbaf93Scg */ 84286bbaf93Scg nblocks = dk_ioc.dki_length / vtoc->efi_lbasize - 1; 84386bbaf93Scg 84486bbaf93Scg /* 84586bbaf93Scg * Backup GPT header is located on the block after GUID 84686bbaf93Scg * partition entry array. Here, we calculate the address 84786bbaf93Scg * for backup GPT header. 84886bbaf93Scg */ 84986bbaf93Scg lba_backup_gpt_hdr = vtoc->efi_last_u_lba + 1 + nblocks; 85086bbaf93Scg 8517c478bd9Sstevel@tonic-gate if ((dk_ioc.dki_data = calloc(dk_ioc.dki_length, 1)) == NULL) 8527c478bd9Sstevel@tonic-gate return (VT_ERROR); 8537c478bd9Sstevel@tonic-gate 8547c478bd9Sstevel@tonic-gate efi = dk_ioc.dki_data; 8557c478bd9Sstevel@tonic-gate 8567c478bd9Sstevel@tonic-gate /* stuff user's input into EFI struct */ 8577c478bd9Sstevel@tonic-gate efi->efi_gpt_Signature = LE_64(EFI_SIGNATURE); 8587c478bd9Sstevel@tonic-gate efi->efi_gpt_Revision = LE_32(vtoc->efi_version); /* 0x02000100 */ 8597c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderSize = LE_32(sizeof (struct efi_gpt)); 8607c478bd9Sstevel@tonic-gate efi->efi_gpt_Reserved1 = 0; 8617c478bd9Sstevel@tonic-gate efi->efi_gpt_MyLBA = LE_64(1ULL); 86286bbaf93Scg efi->efi_gpt_AlternateLBA = LE_64(lba_backup_gpt_hdr); 8637c478bd9Sstevel@tonic-gate efi->efi_gpt_FirstUsableLBA = LE_64(vtoc->efi_first_u_lba); 8647c478bd9Sstevel@tonic-gate efi->efi_gpt_LastUsableLBA = LE_64(vtoc->efi_last_u_lba); 8657c478bd9Sstevel@tonic-gate efi->efi_gpt_PartitionEntryLBA = LE_64(2ULL); 8667c478bd9Sstevel@tonic-gate efi->efi_gpt_NumberOfPartitionEntries = LE_32(vtoc->efi_nparts); 8677c478bd9Sstevel@tonic-gate efi->efi_gpt_SizeOfPartitionEntry = LE_32(sizeof (struct efi_gpe)); 8687c478bd9Sstevel@tonic-gate UUID_LE_CONVERT(efi->efi_gpt_DiskGUID, vtoc->efi_disk_uguid); 8697c478bd9Sstevel@tonic-gate 8707c478bd9Sstevel@tonic-gate /* LINTED -- always longlong aligned */ 8717c478bd9Sstevel@tonic-gate efi_parts = (efi_gpe_t *)((char *)dk_ioc.dki_data + sizeof (efi_gpt_t)); 8727c478bd9Sstevel@tonic-gate 8737c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 874af007057Syl for (j = 0; 875af007057Syl j < sizeof (conversion_array) / 876af007057Syl sizeof (struct uuid_to_ptag); j++) { 877af007057Syl 878af007057Syl if (vtoc->efi_parts[i].p_tag == j) { 879af007057Syl UUID_LE_CONVERT( 880af007057Syl efi_parts[i].efi_gpe_PartitionTypeGUID, 881af007057Syl conversion_array[j].uuid); 882af007057Syl break; 883af007057Syl } 884af007057Syl } 885af007057Syl 886af007057Syl if (j == sizeof (conversion_array) / 887af007057Syl sizeof (struct uuid_to_ptag)) { 888af007057Syl /* 889af007057Syl * If we didn't have a matching uuid match, bail here. 890af007057Syl * Don't write a label with unknown uuid. 891af007057Syl */ 892af007057Syl if (efi_debug) { 893af007057Syl (void) fprintf(stderr, 894af007057Syl "Unknown uuid for p_tag %d\n", 895af007057Syl vtoc->efi_parts[i].p_tag); 896af007057Syl } 897af007057Syl return (VT_EINVAL); 898af007057Syl } 899af007057Syl 900af007057Syl efi_parts[i].efi_gpe_StartingLBA = 901af007057Syl LE_64(vtoc->efi_parts[i].p_start); 902af007057Syl efi_parts[i].efi_gpe_EndingLBA = 903af007057Syl LE_64(vtoc->efi_parts[i].p_start + 904af007057Syl vtoc->efi_parts[i].p_size - 1); 905af007057Syl efi_parts[i].efi_gpe_Attributes.PartitionAttrs = 9067c478bd9Sstevel@tonic-gate LE_16(vtoc->efi_parts[i].p_flag); 907af007057Syl for (j = 0; j < EFI_PART_NAME_LEN; j++) { 908af007057Syl efi_parts[i].efi_gpe_PartitionName[j] = 909af007057Syl LE_16((ushort_t)vtoc->efi_parts[i].p_name[j]); 910af007057Syl } 911af007057Syl if ((vtoc->efi_parts[i].p_tag != V_UNASSIGNED) && 912af007057Syl uuid_is_null((uchar_t *)&vtoc->efi_parts[i].p_uguid)) { 913af007057Syl (void) uuid_generate((uchar_t *) 914af007057Syl &vtoc->efi_parts[i].p_uguid); 915af007057Syl } 916af007057Syl bcopy(&vtoc->efi_parts[i].p_uguid, 917af007057Syl &efi_parts[i].efi_gpe_UniquePartitionGUID, 918af007057Syl sizeof (uuid_t)); 9197c478bd9Sstevel@tonic-gate } 9207c478bd9Sstevel@tonic-gate efi->efi_gpt_PartitionEntryArrayCRC32 = 9217c478bd9Sstevel@tonic-gate LE_32(efi_crc32((unsigned char *)efi_parts, 9227c478bd9Sstevel@tonic-gate vtoc->efi_nparts * (int)sizeof (struct efi_gpe))); 9237c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 9247c478bd9Sstevel@tonic-gate LE_32(efi_crc32((unsigned char *)efi, sizeof (struct efi_gpt))); 9257c478bd9Sstevel@tonic-gate 9267c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 9277c478bd9Sstevel@tonic-gate free(dk_ioc.dki_data); 9287c478bd9Sstevel@tonic-gate switch (errno) { 9297c478bd9Sstevel@tonic-gate case EIO: 9307c478bd9Sstevel@tonic-gate return (VT_EIO); 9317c478bd9Sstevel@tonic-gate case EINVAL: 9327c478bd9Sstevel@tonic-gate return (VT_EINVAL); 9337c478bd9Sstevel@tonic-gate default: 9347c478bd9Sstevel@tonic-gate return (VT_ERROR); 9357c478bd9Sstevel@tonic-gate } 9367c478bd9Sstevel@tonic-gate } 9377c478bd9Sstevel@tonic-gate /* if it's a metadevice we're done */ 9387c478bd9Sstevel@tonic-gate if (md_flag) { 9397c478bd9Sstevel@tonic-gate free(dk_ioc.dki_data); 9407c478bd9Sstevel@tonic-gate return (0); 9417c478bd9Sstevel@tonic-gate } 9427c478bd9Sstevel@tonic-gate /* write backup partition array */ 9437c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = vtoc->efi_last_u_lba + 1; 9447c478bd9Sstevel@tonic-gate dk_ioc.dki_length -= vtoc->efi_lbasize; 9457c478bd9Sstevel@tonic-gate dk_ioc.dki_data++; 9467c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 9477c478bd9Sstevel@tonic-gate /* 9487c478bd9Sstevel@tonic-gate * we wrote the primary label okay, so don't fail 9497c478bd9Sstevel@tonic-gate */ 9507c478bd9Sstevel@tonic-gate if (efi_debug) { 9517c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 9527c478bd9Sstevel@tonic-gate "write of backup partitions to block %llu " 9537c478bd9Sstevel@tonic-gate "failed, errno %d\n", 9547c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba + 1, 9557c478bd9Sstevel@tonic-gate errno); 9567c478bd9Sstevel@tonic-gate } 9577c478bd9Sstevel@tonic-gate } 9587c478bd9Sstevel@tonic-gate /* 9597c478bd9Sstevel@tonic-gate * now swap MyLBA and AlternateLBA fields and write backup 9607c478bd9Sstevel@tonic-gate * partition table header 9617c478bd9Sstevel@tonic-gate */ 96286bbaf93Scg dk_ioc.dki_lba = lba_backup_gpt_hdr; 9637c478bd9Sstevel@tonic-gate dk_ioc.dki_length = vtoc->efi_lbasize; 9647c478bd9Sstevel@tonic-gate dk_ioc.dki_data--; 9657c478bd9Sstevel@tonic-gate efi->efi_gpt_AlternateLBA = LE_64(1ULL); 96686bbaf93Scg efi->efi_gpt_MyLBA = LE_64(lba_backup_gpt_hdr); 9677c478bd9Sstevel@tonic-gate efi->efi_gpt_PartitionEntryLBA = LE_64(vtoc->efi_last_u_lba + 1); 9687c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 0; 9697c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 9707c478bd9Sstevel@tonic-gate LE_32(efi_crc32((unsigned char *)dk_ioc.dki_data, 9717c478bd9Sstevel@tonic-gate sizeof (struct efi_gpt))); 9727c478bd9Sstevel@tonic-gate 9737c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 9747c478bd9Sstevel@tonic-gate if (efi_debug) { 9757c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 9767c478bd9Sstevel@tonic-gate "write of backup header to block %llu failed, " 9777c478bd9Sstevel@tonic-gate "errno %d\n", 97886bbaf93Scg lba_backup_gpt_hdr, 9797c478bd9Sstevel@tonic-gate errno); 9807c478bd9Sstevel@tonic-gate } 9817c478bd9Sstevel@tonic-gate } 9827c478bd9Sstevel@tonic-gate /* write the PMBR */ 9837c478bd9Sstevel@tonic-gate (void) write_pmbr(fd, vtoc); 9847c478bd9Sstevel@tonic-gate free(dk_ioc.dki_data); 9857c478bd9Sstevel@tonic-gate return (0); 9867c478bd9Sstevel@tonic-gate } 9877c478bd9Sstevel@tonic-gate 9887c478bd9Sstevel@tonic-gate void 9897c478bd9Sstevel@tonic-gate efi_free(struct dk_gpt *ptr) 9907c478bd9Sstevel@tonic-gate { 9917c478bd9Sstevel@tonic-gate free(ptr); 9927c478bd9Sstevel@tonic-gate } 9937c478bd9Sstevel@tonic-gate 9947c478bd9Sstevel@tonic-gate /* 9957c478bd9Sstevel@tonic-gate * Input: File descriptor 9967c478bd9Sstevel@tonic-gate * Output: 1 if disk is >1TB OR has an EFI label, 0 otherwise. 9977c478bd9Sstevel@tonic-gate */ 9987c478bd9Sstevel@tonic-gate int 9997c478bd9Sstevel@tonic-gate efi_type(int fd) 10007c478bd9Sstevel@tonic-gate { 10017c478bd9Sstevel@tonic-gate struct vtoc vtoc; 10027c478bd9Sstevel@tonic-gate 10037c478bd9Sstevel@tonic-gate if (ioctl(fd, DKIOCGVTOC, &vtoc) == -1) { 10047c478bd9Sstevel@tonic-gate if (errno == ENOTSUP) { 10057c478bd9Sstevel@tonic-gate return (1); 10067c478bd9Sstevel@tonic-gate } 10077c478bd9Sstevel@tonic-gate } 10087c478bd9Sstevel@tonic-gate return (0); 10097c478bd9Sstevel@tonic-gate } 10107c478bd9Sstevel@tonic-gate 10117c478bd9Sstevel@tonic-gate void 10127c478bd9Sstevel@tonic-gate efi_err_check(struct dk_gpt *vtoc) 10137c478bd9Sstevel@tonic-gate { 10147c478bd9Sstevel@tonic-gate int resv_part = -1; 10157c478bd9Sstevel@tonic-gate int i, j; 10167c478bd9Sstevel@tonic-gate diskaddr_t istart, jstart, isize, jsize, endsect; 10177c478bd9Sstevel@tonic-gate int overlap = 0; 10187c478bd9Sstevel@tonic-gate 10197c478bd9Sstevel@tonic-gate /* 10207c478bd9Sstevel@tonic-gate * make sure no partitions overlap 10217c478bd9Sstevel@tonic-gate */ 10227c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 10237c478bd9Sstevel@tonic-gate /* It can't be unassigned and have an actual size */ 10247c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_tag == V_UNASSIGNED) && 10257c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_size != 0)) { 10267c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10277c478bd9Sstevel@tonic-gate "partition %d is \"unassigned\" but has a size " 10287c478bd9Sstevel@tonic-gate "of %llu\n", i, vtoc->efi_parts[i].p_size); 10297c478bd9Sstevel@tonic-gate } 10307c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) { 10317c478bd9Sstevel@tonic-gate continue; 10327c478bd9Sstevel@tonic-gate } 10337c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_RESERVED) { 10347c478bd9Sstevel@tonic-gate if (resv_part != -1) { 10357c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10367c478bd9Sstevel@tonic-gate "found duplicate reserved partition at " 10377c478bd9Sstevel@tonic-gate "%d\n", i); 10387c478bd9Sstevel@tonic-gate } 10397c478bd9Sstevel@tonic-gate resv_part = i; 10407c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_size != EFI_MIN_RESV_SIZE) 10417c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10427c478bd9Sstevel@tonic-gate "Warning: reserved partition size must " 10437c478bd9Sstevel@tonic-gate "be %d sectors\n", EFI_MIN_RESV_SIZE); 10447c478bd9Sstevel@tonic-gate } 10457c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start < vtoc->efi_first_u_lba) || 10467c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start > vtoc->efi_last_u_lba)) { 10477c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10487c478bd9Sstevel@tonic-gate "Partition %d starts at %llu\n", 10497c478bd9Sstevel@tonic-gate i, 10507c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start); 10517c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10527c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 10537c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 10547c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 10557c478bd9Sstevel@tonic-gate } 10567c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start + 10577c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size < 10587c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba) || 10597c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start + 10607c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size > 10617c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba + 1)) { 10627c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10637c478bd9Sstevel@tonic-gate "Partition %d ends at %llu\n", 10647c478bd9Sstevel@tonic-gate i, 10657c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start + 10667c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size); 10677c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10687c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 10697c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 10707c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 10717c478bd9Sstevel@tonic-gate } 10727c478bd9Sstevel@tonic-gate 10737c478bd9Sstevel@tonic-gate for (j = 0; j < vtoc->efi_nparts; j++) { 10747c478bd9Sstevel@tonic-gate isize = vtoc->efi_parts[i].p_size; 10757c478bd9Sstevel@tonic-gate jsize = vtoc->efi_parts[j].p_size; 10767c478bd9Sstevel@tonic-gate istart = vtoc->efi_parts[i].p_start; 10777c478bd9Sstevel@tonic-gate jstart = vtoc->efi_parts[j].p_start; 10787c478bd9Sstevel@tonic-gate if ((i != j) && (isize != 0) && (jsize != 0)) { 10797c478bd9Sstevel@tonic-gate endsect = jstart + jsize -1; 10807c478bd9Sstevel@tonic-gate if ((jstart <= istart) && 10817c478bd9Sstevel@tonic-gate (istart <= endsect)) { 10827c478bd9Sstevel@tonic-gate if (!overlap) { 10837c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10847c478bd9Sstevel@tonic-gate "label error: EFI Labels do not " 10857c478bd9Sstevel@tonic-gate "support overlapping partitions\n"); 10867c478bd9Sstevel@tonic-gate } 10877c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10887c478bd9Sstevel@tonic-gate "Partition %d overlaps partition " 10897c478bd9Sstevel@tonic-gate "%d.\n", i, j); 10907c478bd9Sstevel@tonic-gate overlap = 1; 10917c478bd9Sstevel@tonic-gate } 10927c478bd9Sstevel@tonic-gate } 10937c478bd9Sstevel@tonic-gate } 10947c478bd9Sstevel@tonic-gate } 10957c478bd9Sstevel@tonic-gate /* make sure there is a reserved partition */ 10967c478bd9Sstevel@tonic-gate if (resv_part == -1) { 10977c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 1098af007057Syl "no reserved partition found\n"); 10997c478bd9Sstevel@tonic-gate } 11007c478bd9Sstevel@tonic-gate } 11017c478bd9Sstevel@tonic-gate 11027c478bd9Sstevel@tonic-gate /* 11037c478bd9Sstevel@tonic-gate * We need to get information necessary to construct a *new* efi 11047c478bd9Sstevel@tonic-gate * label type 11057c478bd9Sstevel@tonic-gate */ 11067c478bd9Sstevel@tonic-gate int 11077c478bd9Sstevel@tonic-gate efi_auto_sense(int fd, struct dk_gpt **vtoc) 11087c478bd9Sstevel@tonic-gate { 11097c478bd9Sstevel@tonic-gate 11107c478bd9Sstevel@tonic-gate int i; 11117c478bd9Sstevel@tonic-gate 11127c478bd9Sstevel@tonic-gate /* 11137c478bd9Sstevel@tonic-gate * Now build the default partition table 11147c478bd9Sstevel@tonic-gate */ 11157c478bd9Sstevel@tonic-gate if (efi_alloc_and_init(fd, EFI_NUMPAR, vtoc) != 0) { 11167c478bd9Sstevel@tonic-gate if (efi_debug) { 11177c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "efi_alloc_and_init failed.\n"); 11187c478bd9Sstevel@tonic-gate } 11197c478bd9Sstevel@tonic-gate return (-1); 11207c478bd9Sstevel@tonic-gate } 11217c478bd9Sstevel@tonic-gate 11227c478bd9Sstevel@tonic-gate for (i = 0; i < min((*vtoc)->efi_nparts, V_NUMPAR); i++) { 11237c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_tag = default_vtoc_map[i].p_tag; 11247c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_flag = default_vtoc_map[i].p_flag; 11257c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_start = 0; 11267c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_size = 0; 11277c478bd9Sstevel@tonic-gate } 11287c478bd9Sstevel@tonic-gate /* 11297c478bd9Sstevel@tonic-gate * Make constants first 11307c478bd9Sstevel@tonic-gate * and variable partitions later 11317c478bd9Sstevel@tonic-gate */ 11327c478bd9Sstevel@tonic-gate 11337c478bd9Sstevel@tonic-gate /* root partition - s0 128 MB */ 11347c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[0].p_start = 34; 11357c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[0].p_size = 262144; 11367c478bd9Sstevel@tonic-gate 11377c478bd9Sstevel@tonic-gate /* partition - s1 128 MB */ 11387c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[1].p_start = 262178; 11397c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[1].p_size = 262144; 11407c478bd9Sstevel@tonic-gate 11417c478bd9Sstevel@tonic-gate /* partition -s2 is NOT the Backup disk */ 11427c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[2].p_tag = V_UNASSIGNED; 11437c478bd9Sstevel@tonic-gate 11447c478bd9Sstevel@tonic-gate /* partition -s6 /usr partition - HOG */ 11457c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[6].p_start = 524322; 11467c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[6].p_size = (*vtoc)->efi_last_u_lba - 524322 11477c478bd9Sstevel@tonic-gate - (1024 * 16); 11487c478bd9Sstevel@tonic-gate 11497c478bd9Sstevel@tonic-gate /* efi reserved partition - s9 16K */ 11507c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[8].p_start = (*vtoc)->efi_last_u_lba - (1024 * 16); 11517c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[8].p_size = (1024 * 16); 11527c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[8].p_tag = V_RESERVED; 11537c478bd9Sstevel@tonic-gate return (0); 11547c478bd9Sstevel@tonic-gate } 1155