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 */ 21342440ecSPrasad Singamsetty 227c478bd9Sstevel@tonic-gate /* 23d84f0041SAlexandre Chartre * Copyright 2009 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; 188*65908c77Syu, larry liu - Sun Microsystems - Beijing China 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; 308d84f0041SAlexandre Chartre int vdc_flag = 0; 3097c478bd9Sstevel@tonic-gate struct dk_minfo disk_info; 3107c478bd9Sstevel@tonic-gate dk_efi_t dk_ioc; 3117c478bd9Sstevel@tonic-gate efi_gpt_t *efi; 3127c478bd9Sstevel@tonic-gate efi_gpe_t *efi_parts; 3137c478bd9Sstevel@tonic-gate struct dk_cinfo dki_info; 3147c478bd9Sstevel@tonic-gate uint32_t user_length; 31586bbaf93Scg boolean_t legacy_label = B_FALSE; 3167c478bd9Sstevel@tonic-gate 3177c478bd9Sstevel@tonic-gate /* 3187c478bd9Sstevel@tonic-gate * get the partition number for this file descriptor. 3197c478bd9Sstevel@tonic-gate */ 3207c478bd9Sstevel@tonic-gate if (ioctl(fd, DKIOCINFO, (caddr_t)&dki_info) == -1) { 321af007057Syl if (efi_debug) { 322af007057Syl (void) fprintf(stderr, "DKIOCINFO errno 0x%x\n", errno); 323af007057Syl } 3247c478bd9Sstevel@tonic-gate switch (errno) { 3257c478bd9Sstevel@tonic-gate case EIO: 3267c478bd9Sstevel@tonic-gate return (VT_EIO); 3277c478bd9Sstevel@tonic-gate case EINVAL: 3287c478bd9Sstevel@tonic-gate return (VT_EINVAL); 3297c478bd9Sstevel@tonic-gate default: 3307c478bd9Sstevel@tonic-gate return (VT_ERROR); 3317c478bd9Sstevel@tonic-gate } 3327c478bd9Sstevel@tonic-gate } 3337c478bd9Sstevel@tonic-gate if ((strncmp(dki_info.dki_cname, "pseudo", 7) == 0) && 3347c478bd9Sstevel@tonic-gate (strncmp(dki_info.dki_dname, "md", 3) == 0)) { 3357c478bd9Sstevel@tonic-gate md_flag++; 336d84f0041SAlexandre Chartre } else if ((strncmp(dki_info.dki_cname, "vdc", 4) == 0) && 337d84f0041SAlexandre Chartre (strncmp(dki_info.dki_dname, "vdc", 4) == 0)) { 338d84f0041SAlexandre Chartre /* 339d84f0041SAlexandre Chartre * The controller and drive name "vdc" (virtual disk client) 340d84f0041SAlexandre Chartre * indicates a LDoms virtual disk. 341d84f0041SAlexandre Chartre */ 342d84f0041SAlexandre Chartre vdc_flag++; 3437c478bd9Sstevel@tonic-gate } 344d84f0041SAlexandre Chartre 3457c478bd9Sstevel@tonic-gate /* get the LBA size */ 3467c478bd9Sstevel@tonic-gate if (ioctl(fd, DKIOCGMEDIAINFO, (caddr_t)&disk_info) == -1) { 3477c478bd9Sstevel@tonic-gate if (efi_debug) { 3487c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 3497c478bd9Sstevel@tonic-gate "assuming LBA 512 bytes %d\n", 3507c478bd9Sstevel@tonic-gate errno); 3517c478bd9Sstevel@tonic-gate } 3527c478bd9Sstevel@tonic-gate disk_info.dki_lbsize = DEV_BSIZE; 3537c478bd9Sstevel@tonic-gate } 3547c478bd9Sstevel@tonic-gate if (disk_info.dki_lbsize == 0) { 3557c478bd9Sstevel@tonic-gate if (efi_debug) { 3567c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 3577c478bd9Sstevel@tonic-gate "efi_read: assuming LBA 512 bytes\n"); 3587c478bd9Sstevel@tonic-gate } 3597c478bd9Sstevel@tonic-gate disk_info.dki_lbsize = DEV_BSIZE; 3607c478bd9Sstevel@tonic-gate } 3617c478bd9Sstevel@tonic-gate /* 3627c478bd9Sstevel@tonic-gate * Read the EFI GPT to figure out how many partitions we need 3637c478bd9Sstevel@tonic-gate * to deal with. 3647c478bd9Sstevel@tonic-gate */ 3657c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = 1; 3667c478bd9Sstevel@tonic-gate if (NBLOCKS(vtoc->efi_nparts, disk_info.dki_lbsize) < 34) { 3677c478bd9Sstevel@tonic-gate label_len = EFI_MIN_ARRAY_SIZE + disk_info.dki_lbsize; 3687c478bd9Sstevel@tonic-gate } else { 3697c478bd9Sstevel@tonic-gate label_len = vtoc->efi_nparts * (int) sizeof (efi_gpe_t) + 370af007057Syl disk_info.dki_lbsize; 3717c478bd9Sstevel@tonic-gate if (label_len % disk_info.dki_lbsize) { 3727c478bd9Sstevel@tonic-gate /* pad to physical sector size */ 3737c478bd9Sstevel@tonic-gate label_len += disk_info.dki_lbsize; 3747c478bd9Sstevel@tonic-gate label_len &= ~(disk_info.dki_lbsize - 1); 3757c478bd9Sstevel@tonic-gate } 3767c478bd9Sstevel@tonic-gate } 3777c478bd9Sstevel@tonic-gate 3787c478bd9Sstevel@tonic-gate if ((dk_ioc.dki_data = calloc(label_len, 1)) == NULL) 3797c478bd9Sstevel@tonic-gate return (VT_ERROR); 3807c478bd9Sstevel@tonic-gate 381c7e1889fSyl dk_ioc.dki_length = disk_info.dki_lbsize; 3827c478bd9Sstevel@tonic-gate user_length = vtoc->efi_nparts; 3837c478bd9Sstevel@tonic-gate efi = dk_ioc.dki_data; 3847c478bd9Sstevel@tonic-gate if (md_flag) { 385c7e1889fSyl dk_ioc.dki_length = label_len; 3867c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCGETEFI, &dk_ioc) == -1) { 3877c478bd9Sstevel@tonic-gate switch (errno) { 3887c478bd9Sstevel@tonic-gate case EIO: 3897c478bd9Sstevel@tonic-gate return (VT_EIO); 3907c478bd9Sstevel@tonic-gate default: 3917c478bd9Sstevel@tonic-gate return (VT_ERROR); 3927c478bd9Sstevel@tonic-gate } 3937c478bd9Sstevel@tonic-gate } 3947c478bd9Sstevel@tonic-gate } else if ((rval = check_label(fd, &dk_ioc)) == VT_EINVAL) { 39586bbaf93Scg /* 39686bbaf93Scg * No valid label here; try the alternate. Note that here 39786bbaf93Scg * we just read GPT header and save it into dk_ioc.data, 39886bbaf93Scg * Later, we will read GUID partition entry array if we 39986bbaf93Scg * can get valid GPT header. 40086bbaf93Scg */ 40186bbaf93Scg 40286bbaf93Scg /* 40386bbaf93Scg * This is a workaround for legacy systems. In the past, the 40486bbaf93Scg * last sector of SCSI disk was invisible on x86 platform. At 40586bbaf93Scg * that time, backup label was saved on the next to the last 40686bbaf93Scg * sector. It is possible for users to move a disk from previous 40786bbaf93Scg * solaris system to present system. Here, we attempt to search 40886bbaf93Scg * legacy backup EFI label first. 40986bbaf93Scg */ 41086bbaf93Scg dk_ioc.dki_lba = disk_info.dki_capacity - 2; 4117c478bd9Sstevel@tonic-gate dk_ioc.dki_length = disk_info.dki_lbsize; 4124f0dea16Scg rval = check_label(fd, &dk_ioc); 41386bbaf93Scg if (rval == VT_EINVAL) { 4144f0dea16Scg /* 41586bbaf93Scg * we didn't find legacy backup EFI label, try to 41686bbaf93Scg * search backup EFI label in the last block. 4174f0dea16Scg */ 41886bbaf93Scg dk_ioc.dki_lba = disk_info.dki_capacity - 1; 4194f0dea16Scg dk_ioc.dki_length = disk_info.dki_lbsize; 4204f0dea16Scg rval = check_label(fd, &dk_ioc); 42186bbaf93Scg if (rval == 0) { 42286bbaf93Scg legacy_label = B_TRUE; 42386bbaf93Scg if (efi_debug) 42486bbaf93Scg (void) fprintf(stderr, 42586bbaf93Scg "efi_read: primary label corrupt; " 42686bbaf93Scg "using EFI backup label located on" 42786bbaf93Scg " the last block\n"); 4284f0dea16Scg } 42986bbaf93Scg } else { 43086bbaf93Scg if ((efi_debug) && (rval == 0)) 43186bbaf93Scg (void) fprintf(stderr, "efi_read: primary label" 43286bbaf93Scg " corrupt; using legacy EFI backup label " 43386bbaf93Scg " located on the next to last block\n"); 4344f0dea16Scg } 4354f0dea16Scg 4364f0dea16Scg if (rval == 0) { 4377c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = LE_64(efi->efi_gpt_PartitionEntryLBA); 4387c478bd9Sstevel@tonic-gate vtoc->efi_flags |= EFI_GPT_PRIMARY_CORRUPT; 4397c478bd9Sstevel@tonic-gate vtoc->efi_nparts = 4407c478bd9Sstevel@tonic-gate LE_32(efi->efi_gpt_NumberOfPartitionEntries); 4417c478bd9Sstevel@tonic-gate /* 44286bbaf93Scg * Partition tables are between backup GPT header 44386bbaf93Scg * table and ParitionEntryLBA (the starting LBA of 44486bbaf93Scg * the GUID partition entries array). Now that we 44586bbaf93Scg * already got valid GPT header and saved it in 44686bbaf93Scg * dk_ioc.dki_data, we try to get GUID partition 44786bbaf93Scg * entry array here. 4487c478bd9Sstevel@tonic-gate */ 449*65908c77Syu, larry liu - Sun Microsystems - Beijing China /* LINTED */ 450*65908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data 451*65908c77Syu, larry liu - Sun Microsystems - Beijing China + disk_info.dki_lbsize); 45286bbaf93Scg if (legacy_label) 45386bbaf93Scg dk_ioc.dki_length = disk_info.dki_capacity - 1 - 454af007057Syl dk_ioc.dki_lba; 45586bbaf93Scg else 45686bbaf93Scg dk_ioc.dki_length = disk_info.dki_capacity - 2 - 457af007057Syl dk_ioc.dki_lba; 4587c478bd9Sstevel@tonic-gate dk_ioc.dki_length *= disk_info.dki_lbsize; 45986bbaf93Scg if (dk_ioc.dki_length > 46086bbaf93Scg ((len_t)label_len - sizeof (*dk_ioc.dki_data))) { 4617c478bd9Sstevel@tonic-gate rval = VT_EINVAL; 4627c478bd9Sstevel@tonic-gate } else { 46386bbaf93Scg /* 46486bbaf93Scg * read GUID partition entry array 46586bbaf93Scg */ 4667c478bd9Sstevel@tonic-gate rval = efi_ioctl(fd, DKIOCGETEFI, &dk_ioc); 4677c478bd9Sstevel@tonic-gate } 4687c478bd9Sstevel@tonic-gate } 469d84f0041SAlexandre Chartre 470d84f0041SAlexandre Chartre } else if (rval == 0) { 471d84f0041SAlexandre Chartre 472c7e1889fSyl dk_ioc.dki_lba = LE_64(efi->efi_gpt_PartitionEntryLBA); 473*65908c77Syu, larry liu - Sun Microsystems - Beijing China /* LINTED */ 474*65908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data 475*65908c77Syu, larry liu - Sun Microsystems - Beijing China + disk_info.dki_lbsize); 476c7e1889fSyl dk_ioc.dki_length = label_len - disk_info.dki_lbsize; 477c7e1889fSyl rval = efi_ioctl(fd, DKIOCGETEFI, &dk_ioc); 478d84f0041SAlexandre Chartre 479d84f0041SAlexandre Chartre } else if (vdc_flag && rval == VT_ERROR && errno == EINVAL) { 480d84f0041SAlexandre Chartre /* 481d84f0041SAlexandre Chartre * When the device is a LDoms virtual disk, the DKIOCGETEFI 482d84f0041SAlexandre Chartre * ioctl can fail with EINVAL if the virtual disk backend 483d84f0041SAlexandre Chartre * is a ZFS volume serviced by a domain running an old version 484d84f0041SAlexandre Chartre * of Solaris. This is because the DKIOCGETEFI ioctl was 485d84f0041SAlexandre Chartre * initially incorrectly implemented for a ZFS volume and it 486d84f0041SAlexandre Chartre * expected the GPT and GPE to be retrieved with a single ioctl. 487d84f0041SAlexandre Chartre * So we try to read the GPT and the GPE using that old style 488d84f0041SAlexandre Chartre * ioctl. 489d84f0041SAlexandre Chartre */ 490d84f0041SAlexandre Chartre dk_ioc.dki_lba = 1; 491d84f0041SAlexandre Chartre dk_ioc.dki_length = label_len; 492d84f0041SAlexandre Chartre rval = check_label(fd, &dk_ioc); 4937c478bd9Sstevel@tonic-gate } 494d84f0041SAlexandre Chartre 4957c478bd9Sstevel@tonic-gate if (rval < 0) { 4967c478bd9Sstevel@tonic-gate free(efi); 4977c478bd9Sstevel@tonic-gate return (rval); 4987c478bd9Sstevel@tonic-gate } 4997c478bd9Sstevel@tonic-gate 5007c478bd9Sstevel@tonic-gate /* LINTED -- always longlong aligned */ 501c7e1889fSyl efi_parts = (efi_gpe_t *)(((char *)efi) + disk_info.dki_lbsize); 5027c478bd9Sstevel@tonic-gate 5037c478bd9Sstevel@tonic-gate /* 5047c478bd9Sstevel@tonic-gate * Assemble this into a "dk_gpt" struct for easier 5057c478bd9Sstevel@tonic-gate * digestibility by applications. 5067c478bd9Sstevel@tonic-gate */ 5077c478bd9Sstevel@tonic-gate vtoc->efi_version = LE_32(efi->efi_gpt_Revision); 5087c478bd9Sstevel@tonic-gate vtoc->efi_nparts = LE_32(efi->efi_gpt_NumberOfPartitionEntries); 5097c478bd9Sstevel@tonic-gate vtoc->efi_part_size = LE_32(efi->efi_gpt_SizeOfPartitionEntry); 5107c478bd9Sstevel@tonic-gate vtoc->efi_lbasize = disk_info.dki_lbsize; 5117c478bd9Sstevel@tonic-gate vtoc->efi_last_lba = disk_info.dki_capacity - 1; 5127c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba = LE_64(efi->efi_gpt_FirstUsableLBA); 5137c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba = LE_64(efi->efi_gpt_LastUsableLBA); 514af007057Syl vtoc->efi_altern_lba = LE_64(efi->efi_gpt_AlternateLBA); 5157c478bd9Sstevel@tonic-gate UUID_LE_CONVERT(vtoc->efi_disk_uguid, efi->efi_gpt_DiskGUID); 5167c478bd9Sstevel@tonic-gate 5177c478bd9Sstevel@tonic-gate /* 5187c478bd9Sstevel@tonic-gate * If the array the user passed in is too small, set the length 5197c478bd9Sstevel@tonic-gate * to what it needs to be and return 5207c478bd9Sstevel@tonic-gate */ 5217c478bd9Sstevel@tonic-gate if (user_length < vtoc->efi_nparts) { 5227c478bd9Sstevel@tonic-gate return (VT_EINVAL); 5237c478bd9Sstevel@tonic-gate } 5247c478bd9Sstevel@tonic-gate 5257c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 5267c478bd9Sstevel@tonic-gate 527af007057Syl UUID_LE_CONVERT(vtoc->efi_parts[i].p_guid, 528af007057Syl efi_parts[i].efi_gpe_PartitionTypeGUID); 529af007057Syl 530af007057Syl for (j = 0; 531af007057Syl j < sizeof (conversion_array) 532af007057Syl / sizeof (struct uuid_to_ptag); j++) { 533af007057Syl 534af007057Syl if (bcmp(&vtoc->efi_parts[i].p_guid, 535af007057Syl &conversion_array[j].uuid, 536af007057Syl sizeof (struct uuid)) == 0) { 537af007057Syl vtoc->efi_parts[i].p_tag = j; 538af007057Syl break; 539af007057Syl } 540af007057Syl } 541af007057Syl if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) 542af007057Syl continue; 543af007057Syl vtoc->efi_parts[i].p_flag = 544af007057Syl LE_16(efi_parts[i].efi_gpe_Attributes.PartitionAttrs); 545af007057Syl vtoc->efi_parts[i].p_start = 546af007057Syl LE_64(efi_parts[i].efi_gpe_StartingLBA); 547af007057Syl vtoc->efi_parts[i].p_size = 548af007057Syl LE_64(efi_parts[i].efi_gpe_EndingLBA) - 5497c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start + 1; 550af007057Syl for (j = 0; j < EFI_PART_NAME_LEN; j++) { 551af007057Syl vtoc->efi_parts[i].p_name[j] = 552af007057Syl (uchar_t)LE_16( 553af007057Syl efi_parts[i].efi_gpe_PartitionName[j]); 554af007057Syl } 5557c478bd9Sstevel@tonic-gate 556af007057Syl UUID_LE_CONVERT(vtoc->efi_parts[i].p_uguid, 557af007057Syl efi_parts[i].efi_gpe_UniquePartitionGUID); 5587c478bd9Sstevel@tonic-gate } 5597c478bd9Sstevel@tonic-gate free(efi); 5607c478bd9Sstevel@tonic-gate 5617c478bd9Sstevel@tonic-gate return (dki_info.dki_partition); 5627c478bd9Sstevel@tonic-gate } 5637c478bd9Sstevel@tonic-gate 5647c478bd9Sstevel@tonic-gate /* writes a "protective" MBR */ 5657c478bd9Sstevel@tonic-gate static int 5667c478bd9Sstevel@tonic-gate write_pmbr(int fd, struct dk_gpt *vtoc) 5677c478bd9Sstevel@tonic-gate { 5687c478bd9Sstevel@tonic-gate dk_efi_t dk_ioc; 5697c478bd9Sstevel@tonic-gate struct mboot mb; 5707c478bd9Sstevel@tonic-gate uchar_t *cp; 5717c478bd9Sstevel@tonic-gate diskaddr_t size_in_lba; 572*65908c77Syu, larry liu - Sun Microsystems - Beijing China uchar_t *buf; 573*65908c77Syu, larry liu - Sun Microsystems - Beijing China int len; 574*65908c77Syu, larry liu - Sun Microsystems - Beijing China 575*65908c77Syu, larry liu - Sun Microsystems - Beijing China len = (vtoc->efi_lbasize == 0) ? sizeof (mb) : vtoc->efi_lbasize; 576*65908c77Syu, larry liu - Sun Microsystems - Beijing China buf = calloc(len, 1); 5777c478bd9Sstevel@tonic-gate 578987e90dcSxl /* 579987e90dcSxl * Preserve any boot code and disk signature if the first block is 580987e90dcSxl * already an MBR. 581987e90dcSxl */ 582987e90dcSxl dk_ioc.dki_lba = 0; 583*65908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_length = len; 584987e90dcSxl /* LINTED -- always longlong aligned */ 585*65908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)buf; 586*65908c77Syu, larry liu - Sun Microsystems - Beijing China if (efi_ioctl(fd, DKIOCGETEFI, &dk_ioc) == -1) { 587*65908c77Syu, larry liu - Sun Microsystems - Beijing China (void *) memcpy(&mb, buf, sizeof (mb)); 588987e90dcSxl bzero(&mb, sizeof (mb)); 589987e90dcSxl mb.signature = LE_16(MBB_MAGIC); 590*65908c77Syu, larry liu - Sun Microsystems - Beijing China } else { 591*65908c77Syu, larry liu - Sun Microsystems - Beijing China (void *) memcpy(&mb, buf, sizeof (mb)); 592*65908c77Syu, larry liu - Sun Microsystems - Beijing China if (mb.signature != LE_16(MBB_MAGIC)) { 593*65908c77Syu, larry liu - Sun Microsystems - Beijing China bzero(&mb, sizeof (mb)); 594*65908c77Syu, larry liu - Sun Microsystems - Beijing China mb.signature = LE_16(MBB_MAGIC); 595*65908c77Syu, larry liu - Sun Microsystems - Beijing China } 596987e90dcSxl } 597*65908c77Syu, larry liu - Sun Microsystems - Beijing China 5987c478bd9Sstevel@tonic-gate bzero(&mb.parts, sizeof (mb.parts)); 5997c478bd9Sstevel@tonic-gate cp = (uchar_t *)&mb.parts[0]; 6007c478bd9Sstevel@tonic-gate /* bootable or not */ 6017c478bd9Sstevel@tonic-gate *cp++ = 0; 6027c478bd9Sstevel@tonic-gate /* beginning CHS; 0xffffff if not representable */ 6037c478bd9Sstevel@tonic-gate *cp++ = 0xff; 6047c478bd9Sstevel@tonic-gate *cp++ = 0xff; 6057c478bd9Sstevel@tonic-gate *cp++ = 0xff; 6067c478bd9Sstevel@tonic-gate /* OS type */ 6077c478bd9Sstevel@tonic-gate *cp++ = EFI_PMBR; 6087c478bd9Sstevel@tonic-gate /* ending CHS; 0xffffff if not representable */ 6097c478bd9Sstevel@tonic-gate *cp++ = 0xff; 6107c478bd9Sstevel@tonic-gate *cp++ = 0xff; 6117c478bd9Sstevel@tonic-gate *cp++ = 0xff; 6127c478bd9Sstevel@tonic-gate /* starting LBA: 1 (little endian format) by EFI definition */ 6137c478bd9Sstevel@tonic-gate *cp++ = 0x01; 6147c478bd9Sstevel@tonic-gate *cp++ = 0x00; 6157c478bd9Sstevel@tonic-gate *cp++ = 0x00; 6167c478bd9Sstevel@tonic-gate *cp++ = 0x00; 6177c478bd9Sstevel@tonic-gate /* ending LBA: last block on the disk (little endian format) */ 6187c478bd9Sstevel@tonic-gate size_in_lba = vtoc->efi_last_lba; 6197c478bd9Sstevel@tonic-gate if (size_in_lba < 0xffffffff) { 6207c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0x000000ff); 6217c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0x0000ff00) >> 8; 6227c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0x00ff0000) >> 16; 6237c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0xff000000) >> 24; 6247c478bd9Sstevel@tonic-gate } else { 6257c478bd9Sstevel@tonic-gate *cp++ = 0xff; 6267c478bd9Sstevel@tonic-gate *cp++ = 0xff; 6277c478bd9Sstevel@tonic-gate *cp++ = 0xff; 6287c478bd9Sstevel@tonic-gate *cp++ = 0xff; 6297c478bd9Sstevel@tonic-gate } 630*65908c77Syu, larry liu - Sun Microsystems - Beijing China 631*65908c77Syu, larry liu - Sun Microsystems - Beijing China (void *) memcpy(buf, &mb, sizeof (mb)); 6327c478bd9Sstevel@tonic-gate /* LINTED -- always longlong aligned */ 633*65908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)buf; 6347c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = 0; 635*65908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_length = len; 6367c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 637*65908c77Syu, larry liu - Sun Microsystems - Beijing China free(buf); 6387c478bd9Sstevel@tonic-gate switch (errno) { 6397c478bd9Sstevel@tonic-gate case EIO: 6407c478bd9Sstevel@tonic-gate return (VT_EIO); 6417c478bd9Sstevel@tonic-gate case EINVAL: 6427c478bd9Sstevel@tonic-gate return (VT_EINVAL); 6437c478bd9Sstevel@tonic-gate default: 6447c478bd9Sstevel@tonic-gate return (VT_ERROR); 6457c478bd9Sstevel@tonic-gate } 6467c478bd9Sstevel@tonic-gate } 647*65908c77Syu, larry liu - Sun Microsystems - Beijing China free(buf); 6487c478bd9Sstevel@tonic-gate return (0); 6497c478bd9Sstevel@tonic-gate } 6507c478bd9Sstevel@tonic-gate 6517c478bd9Sstevel@tonic-gate /* make sure the user specified something reasonable */ 6527c478bd9Sstevel@tonic-gate static int 6537c478bd9Sstevel@tonic-gate check_input(struct dk_gpt *vtoc) 6547c478bd9Sstevel@tonic-gate { 6557c478bd9Sstevel@tonic-gate int resv_part = -1; 6567c478bd9Sstevel@tonic-gate int i, j; 6577c478bd9Sstevel@tonic-gate diskaddr_t istart, jstart, isize, jsize, endsect; 6587c478bd9Sstevel@tonic-gate 6597c478bd9Sstevel@tonic-gate /* 6607c478bd9Sstevel@tonic-gate * Sanity-check the input (make sure no partitions overlap) 6617c478bd9Sstevel@tonic-gate */ 6627c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 6637c478bd9Sstevel@tonic-gate /* It can't be unassigned and have an actual size */ 6647c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_tag == V_UNASSIGNED) && 6657c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_size != 0)) { 6667c478bd9Sstevel@tonic-gate if (efi_debug) { 6677c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 6687c478bd9Sstevel@tonic-gate "partition %d is \"unassigned\" but has a size of %llu", 6697c478bd9Sstevel@tonic-gate i, 6707c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size); 6717c478bd9Sstevel@tonic-gate } 6727c478bd9Sstevel@tonic-gate return (VT_EINVAL); 6737c478bd9Sstevel@tonic-gate } 6747c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) { 675f2be5148Sszhou if (uuid_is_null((uchar_t *)&vtoc->efi_parts[i].p_guid)) 676f2be5148Sszhou continue; 677f2be5148Sszhou /* we have encountered an unknown uuid */ 678f2be5148Sszhou vtoc->efi_parts[i].p_tag = 0xff; 6797c478bd9Sstevel@tonic-gate } 6807c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_RESERVED) { 6817c478bd9Sstevel@tonic-gate if (resv_part != -1) { 6827c478bd9Sstevel@tonic-gate if (efi_debug) { 683af007057Syl (void) fprintf(stderr, 6847c478bd9Sstevel@tonic-gate "found duplicate reserved partition at %d\n", 685af007057Syl i); 6867c478bd9Sstevel@tonic-gate } 6877c478bd9Sstevel@tonic-gate return (VT_EINVAL); 6887c478bd9Sstevel@tonic-gate } 6897c478bd9Sstevel@tonic-gate resv_part = i; 6907c478bd9Sstevel@tonic-gate } 6917c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start < vtoc->efi_first_u_lba) || 6927c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start > vtoc->efi_last_u_lba)) { 6937c478bd9Sstevel@tonic-gate if (efi_debug) { 6947c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 6957c478bd9Sstevel@tonic-gate "Partition %d starts at %llu. ", 6967c478bd9Sstevel@tonic-gate i, 6977c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start); 6987c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 6997c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 7007c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 7017c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 7027c478bd9Sstevel@tonic-gate } 7037c478bd9Sstevel@tonic-gate return (VT_EINVAL); 7047c478bd9Sstevel@tonic-gate } 7057c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start + 7067c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size < 7077c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba) || 7087c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start + 7097c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size > 7107c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba + 1)) { 7117c478bd9Sstevel@tonic-gate if (efi_debug) { 7127c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 7137c478bd9Sstevel@tonic-gate "Partition %d ends at %llu. ", 7147c478bd9Sstevel@tonic-gate i, 7157c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start + 7167c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size); 7177c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 7187c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 7197c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 7207c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 7217c478bd9Sstevel@tonic-gate } 7227c478bd9Sstevel@tonic-gate return (VT_EINVAL); 7237c478bd9Sstevel@tonic-gate } 7247c478bd9Sstevel@tonic-gate 7257c478bd9Sstevel@tonic-gate for (j = 0; j < vtoc->efi_nparts; j++) { 7267c478bd9Sstevel@tonic-gate isize = vtoc->efi_parts[i].p_size; 7277c478bd9Sstevel@tonic-gate jsize = vtoc->efi_parts[j].p_size; 7287c478bd9Sstevel@tonic-gate istart = vtoc->efi_parts[i].p_start; 7297c478bd9Sstevel@tonic-gate jstart = vtoc->efi_parts[j].p_start; 7307c478bd9Sstevel@tonic-gate if ((i != j) && (isize != 0) && (jsize != 0)) { 7317c478bd9Sstevel@tonic-gate endsect = jstart + jsize -1; 7327c478bd9Sstevel@tonic-gate if ((jstart <= istart) && 7337c478bd9Sstevel@tonic-gate (istart <= endsect)) { 7347c478bd9Sstevel@tonic-gate if (efi_debug) { 7357c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 7367c478bd9Sstevel@tonic-gate "Partition %d overlaps partition %d.", 7377c478bd9Sstevel@tonic-gate i, j); 738af007057Syl } 739af007057Syl return (VT_EINVAL); 7407c478bd9Sstevel@tonic-gate } 7417c478bd9Sstevel@tonic-gate } 7427c478bd9Sstevel@tonic-gate } 7437c478bd9Sstevel@tonic-gate } 7447c478bd9Sstevel@tonic-gate /* just a warning for now */ 7457c478bd9Sstevel@tonic-gate if ((resv_part == -1) && efi_debug) { 7467c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 747af007057Syl "no reserved partition found\n"); 7487c478bd9Sstevel@tonic-gate } 7497c478bd9Sstevel@tonic-gate return (0); 7507c478bd9Sstevel@tonic-gate } 7517c478bd9Sstevel@tonic-gate 752af007057Syl /* 753af007057Syl * add all the unallocated space to the current label 754af007057Syl */ 755af007057Syl int 756af007057Syl efi_use_whole_disk(int fd) 757af007057Syl { 758af007057Syl struct dk_gpt *efi_label; 759af007057Syl int rval; 760af007057Syl int i; 761af007057Syl uint_t phy_last_slice = 0; 762af007057Syl diskaddr_t pl_start = 0; 763af007057Syl diskaddr_t pl_size; 764af007057Syl 765af007057Syl rval = efi_alloc_and_read(fd, &efi_label); 766af007057Syl if (rval < 0) { 767af007057Syl return (rval); 768af007057Syl } 769af007057Syl 770af007057Syl /* find the last physically non-zero partition */ 771af007057Syl for (i = 0; i < efi_label->efi_nparts - 2; i ++) { 772af007057Syl if (pl_start < efi_label->efi_parts[i].p_start) { 773af007057Syl pl_start = efi_label->efi_parts[i].p_start; 774af007057Syl phy_last_slice = i; 775af007057Syl } 776af007057Syl } 777af007057Syl pl_size = efi_label->efi_parts[phy_last_slice].p_size; 778af007057Syl 779af007057Syl /* 780af007057Syl * If alter_lba is 1, we are using the backup label. 781af007057Syl * Since we can locate the backup label by disk capacity, 782af007057Syl * there must be no unallocated space. 783af007057Syl */ 784af007057Syl if ((efi_label->efi_altern_lba == 1) || (efi_label->efi_altern_lba 785af007057Syl >= efi_label->efi_last_lba)) { 786af007057Syl if (efi_debug) { 787af007057Syl (void) fprintf(stderr, 788af007057Syl "efi_use_whole_disk: requested space not found\n"); 789af007057Syl } 790af007057Syl efi_free(efi_label); 791af007057Syl return (VT_ENOSPC); 792af007057Syl } 793af007057Syl 794af007057Syl /* 795af007057Syl * If there is space between the last physically non-zero partition 796af007057Syl * and the reserved partition, just add the unallocated space to this 797af007057Syl * area. Otherwise, the unallocated space is added to the last 798af007057Syl * physically non-zero partition. 799af007057Syl */ 800af007057Syl if (pl_start + pl_size - 1 == efi_label->efi_last_u_lba - 801af007057Syl EFI_MIN_RESV_SIZE) { 802af007057Syl efi_label->efi_parts[phy_last_slice].p_size += 803af007057Syl efi_label->efi_last_lba - efi_label->efi_altern_lba; 804af007057Syl } 805af007057Syl 806af007057Syl /* 807af007057Syl * Move the reserved partition. There is currently no data in 808af007057Syl * here except fabricated devids (which get generated via 809af007057Syl * efi_write()). So there is no need to copy data. 810af007057Syl */ 811af007057Syl efi_label->efi_parts[efi_label->efi_nparts - 1].p_start += 812af007057Syl efi_label->efi_last_lba - efi_label->efi_altern_lba; 813af007057Syl efi_label->efi_last_u_lba += efi_label->efi_last_lba 814af007057Syl - efi_label->efi_altern_lba; 815af007057Syl 816af007057Syl rval = efi_write(fd, efi_label); 817af007057Syl if (rval < 0) { 818af007057Syl if (efi_debug) { 819af007057Syl (void) fprintf(stderr, 820af007057Syl "efi_use_whole_disk:fail to write label, rval=%d\n", 821af007057Syl rval); 822af007057Syl } 823af007057Syl efi_free(efi_label); 824af007057Syl return (rval); 825af007057Syl } 826af007057Syl 827af007057Syl efi_free(efi_label); 828af007057Syl return (0); 829af007057Syl } 830af007057Syl 831af007057Syl 8327c478bd9Sstevel@tonic-gate /* 8337c478bd9Sstevel@tonic-gate * write EFI label and backup label 8347c478bd9Sstevel@tonic-gate */ 8357c478bd9Sstevel@tonic-gate int 8367c478bd9Sstevel@tonic-gate efi_write(int fd, struct dk_gpt *vtoc) 8377c478bd9Sstevel@tonic-gate { 8387c478bd9Sstevel@tonic-gate dk_efi_t dk_ioc; 8397c478bd9Sstevel@tonic-gate efi_gpt_t *efi; 8407c478bd9Sstevel@tonic-gate efi_gpe_t *efi_parts; 8417c478bd9Sstevel@tonic-gate int i, j; 8427c478bd9Sstevel@tonic-gate struct dk_cinfo dki_info; 8437c478bd9Sstevel@tonic-gate int md_flag = 0; 84486bbaf93Scg int nblocks; 84586bbaf93Scg diskaddr_t lba_backup_gpt_hdr; 8467c478bd9Sstevel@tonic-gate 8477c478bd9Sstevel@tonic-gate if (ioctl(fd, DKIOCINFO, (caddr_t)&dki_info) == -1) { 8487c478bd9Sstevel@tonic-gate if (efi_debug) 8497c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "DKIOCINFO errno 0x%x\n", errno); 8507c478bd9Sstevel@tonic-gate switch (errno) { 8517c478bd9Sstevel@tonic-gate case EIO: 8527c478bd9Sstevel@tonic-gate return (VT_EIO); 8537c478bd9Sstevel@tonic-gate case EINVAL: 8547c478bd9Sstevel@tonic-gate return (VT_EINVAL); 8557c478bd9Sstevel@tonic-gate default: 8567c478bd9Sstevel@tonic-gate return (VT_ERROR); 8577c478bd9Sstevel@tonic-gate } 8587c478bd9Sstevel@tonic-gate } 8597c478bd9Sstevel@tonic-gate 8607c478bd9Sstevel@tonic-gate /* check if we are dealing wih a metadevice */ 8617c478bd9Sstevel@tonic-gate if ((strncmp(dki_info.dki_cname, "pseudo", 7) == 0) && 8627c478bd9Sstevel@tonic-gate (strncmp(dki_info.dki_dname, "md", 3) == 0)) { 8637c478bd9Sstevel@tonic-gate md_flag = 1; 8647c478bd9Sstevel@tonic-gate } 8657c478bd9Sstevel@tonic-gate 8667c478bd9Sstevel@tonic-gate if (check_input(vtoc)) { 8677c478bd9Sstevel@tonic-gate /* 8687c478bd9Sstevel@tonic-gate * not valid; if it's a metadevice just pass it down 8697c478bd9Sstevel@tonic-gate * because SVM will do its own checking 8707c478bd9Sstevel@tonic-gate */ 8717c478bd9Sstevel@tonic-gate if (md_flag == 0) { 8727c478bd9Sstevel@tonic-gate return (VT_EINVAL); 8737c478bd9Sstevel@tonic-gate } 8747c478bd9Sstevel@tonic-gate } 8757c478bd9Sstevel@tonic-gate 8767c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = 1; 8777c478bd9Sstevel@tonic-gate if (NBLOCKS(vtoc->efi_nparts, vtoc->efi_lbasize) < 34) { 8787c478bd9Sstevel@tonic-gate dk_ioc.dki_length = EFI_MIN_ARRAY_SIZE + vtoc->efi_lbasize; 8797c478bd9Sstevel@tonic-gate } else { 8807c478bd9Sstevel@tonic-gate dk_ioc.dki_length = NBLOCKS(vtoc->efi_nparts, 881af007057Syl vtoc->efi_lbasize) * 882af007057Syl vtoc->efi_lbasize; 8837c478bd9Sstevel@tonic-gate } 8847c478bd9Sstevel@tonic-gate 88586bbaf93Scg /* 88686bbaf93Scg * the number of blocks occupied by GUID partition entry array 88786bbaf93Scg */ 88886bbaf93Scg nblocks = dk_ioc.dki_length / vtoc->efi_lbasize - 1; 88986bbaf93Scg 89086bbaf93Scg /* 89186bbaf93Scg * Backup GPT header is located on the block after GUID 89286bbaf93Scg * partition entry array. Here, we calculate the address 89386bbaf93Scg * for backup GPT header. 89486bbaf93Scg */ 89586bbaf93Scg lba_backup_gpt_hdr = vtoc->efi_last_u_lba + 1 + nblocks; 8967c478bd9Sstevel@tonic-gate if ((dk_ioc.dki_data = calloc(dk_ioc.dki_length, 1)) == NULL) 8977c478bd9Sstevel@tonic-gate return (VT_ERROR); 8987c478bd9Sstevel@tonic-gate 8997c478bd9Sstevel@tonic-gate efi = dk_ioc.dki_data; 9007c478bd9Sstevel@tonic-gate 9017c478bd9Sstevel@tonic-gate /* stuff user's input into EFI struct */ 9027c478bd9Sstevel@tonic-gate efi->efi_gpt_Signature = LE_64(EFI_SIGNATURE); 9037c478bd9Sstevel@tonic-gate efi->efi_gpt_Revision = LE_32(vtoc->efi_version); /* 0x02000100 */ 9047c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderSize = LE_32(sizeof (struct efi_gpt)); 9057c478bd9Sstevel@tonic-gate efi->efi_gpt_Reserved1 = 0; 9067c478bd9Sstevel@tonic-gate efi->efi_gpt_MyLBA = LE_64(1ULL); 90786bbaf93Scg efi->efi_gpt_AlternateLBA = LE_64(lba_backup_gpt_hdr); 9087c478bd9Sstevel@tonic-gate efi->efi_gpt_FirstUsableLBA = LE_64(vtoc->efi_first_u_lba); 9097c478bd9Sstevel@tonic-gate efi->efi_gpt_LastUsableLBA = LE_64(vtoc->efi_last_u_lba); 9107c478bd9Sstevel@tonic-gate efi->efi_gpt_PartitionEntryLBA = LE_64(2ULL); 9117c478bd9Sstevel@tonic-gate efi->efi_gpt_NumberOfPartitionEntries = LE_32(vtoc->efi_nparts); 9127c478bd9Sstevel@tonic-gate efi->efi_gpt_SizeOfPartitionEntry = LE_32(sizeof (struct efi_gpe)); 9137c478bd9Sstevel@tonic-gate UUID_LE_CONVERT(efi->efi_gpt_DiskGUID, vtoc->efi_disk_uguid); 9147c478bd9Sstevel@tonic-gate 9157c478bd9Sstevel@tonic-gate /* LINTED -- always longlong aligned */ 916*65908c77Syu, larry liu - Sun Microsystems - Beijing China efi_parts = (efi_gpe_t *)((char *)dk_ioc.dki_data + vtoc->efi_lbasize); 9177c478bd9Sstevel@tonic-gate 9187c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 919af007057Syl for (j = 0; 920af007057Syl j < sizeof (conversion_array) / 921af007057Syl sizeof (struct uuid_to_ptag); j++) { 922af007057Syl 923af007057Syl if (vtoc->efi_parts[i].p_tag == j) { 924af007057Syl UUID_LE_CONVERT( 925af007057Syl efi_parts[i].efi_gpe_PartitionTypeGUID, 926af007057Syl conversion_array[j].uuid); 927af007057Syl break; 928af007057Syl } 929af007057Syl } 930af007057Syl 931af007057Syl if (j == sizeof (conversion_array) / 932af007057Syl sizeof (struct uuid_to_ptag)) { 933af007057Syl /* 934af007057Syl * If we didn't have a matching uuid match, bail here. 935af007057Syl * Don't write a label with unknown uuid. 936af007057Syl */ 937af007057Syl if (efi_debug) { 938af007057Syl (void) fprintf(stderr, 939af007057Syl "Unknown uuid for p_tag %d\n", 940af007057Syl vtoc->efi_parts[i].p_tag); 941af007057Syl } 942af007057Syl return (VT_EINVAL); 943af007057Syl } 944af007057Syl 945af007057Syl efi_parts[i].efi_gpe_StartingLBA = 946af007057Syl LE_64(vtoc->efi_parts[i].p_start); 947af007057Syl efi_parts[i].efi_gpe_EndingLBA = 948af007057Syl LE_64(vtoc->efi_parts[i].p_start + 949af007057Syl vtoc->efi_parts[i].p_size - 1); 950af007057Syl efi_parts[i].efi_gpe_Attributes.PartitionAttrs = 9517c478bd9Sstevel@tonic-gate LE_16(vtoc->efi_parts[i].p_flag); 952af007057Syl for (j = 0; j < EFI_PART_NAME_LEN; j++) { 953af007057Syl efi_parts[i].efi_gpe_PartitionName[j] = 954af007057Syl LE_16((ushort_t)vtoc->efi_parts[i].p_name[j]); 955af007057Syl } 956af007057Syl if ((vtoc->efi_parts[i].p_tag != V_UNASSIGNED) && 957af007057Syl uuid_is_null((uchar_t *)&vtoc->efi_parts[i].p_uguid)) { 958af007057Syl (void) uuid_generate((uchar_t *) 959af007057Syl &vtoc->efi_parts[i].p_uguid); 960af007057Syl } 961af007057Syl bcopy(&vtoc->efi_parts[i].p_uguid, 962af007057Syl &efi_parts[i].efi_gpe_UniquePartitionGUID, 963af007057Syl sizeof (uuid_t)); 9647c478bd9Sstevel@tonic-gate } 9657c478bd9Sstevel@tonic-gate efi->efi_gpt_PartitionEntryArrayCRC32 = 9667c478bd9Sstevel@tonic-gate LE_32(efi_crc32((unsigned char *)efi_parts, 9677c478bd9Sstevel@tonic-gate vtoc->efi_nparts * (int)sizeof (struct efi_gpe))); 9687c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 9697c478bd9Sstevel@tonic-gate LE_32(efi_crc32((unsigned char *)efi, sizeof (struct efi_gpt))); 9707c478bd9Sstevel@tonic-gate 9717c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 9727c478bd9Sstevel@tonic-gate free(dk_ioc.dki_data); 9737c478bd9Sstevel@tonic-gate switch (errno) { 9747c478bd9Sstevel@tonic-gate case EIO: 9757c478bd9Sstevel@tonic-gate return (VT_EIO); 9767c478bd9Sstevel@tonic-gate case EINVAL: 9777c478bd9Sstevel@tonic-gate return (VT_EINVAL); 9787c478bd9Sstevel@tonic-gate default: 9797c478bd9Sstevel@tonic-gate return (VT_ERROR); 9807c478bd9Sstevel@tonic-gate } 9817c478bd9Sstevel@tonic-gate } 9827c478bd9Sstevel@tonic-gate /* if it's a metadevice we're done */ 9837c478bd9Sstevel@tonic-gate if (md_flag) { 9847c478bd9Sstevel@tonic-gate free(dk_ioc.dki_data); 9857c478bd9Sstevel@tonic-gate return (0); 9867c478bd9Sstevel@tonic-gate } 987*65908c77Syu, larry liu - Sun Microsystems - Beijing China 9887c478bd9Sstevel@tonic-gate /* write backup partition array */ 9897c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = vtoc->efi_last_u_lba + 1; 9907c478bd9Sstevel@tonic-gate dk_ioc.dki_length -= vtoc->efi_lbasize; 991*65908c77Syu, larry liu - Sun Microsystems - Beijing China /* LINTED */ 992*65908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data + 993*65908c77Syu, larry liu - Sun Microsystems - Beijing China vtoc->efi_lbasize); 994*65908c77Syu, larry liu - Sun Microsystems - Beijing China 9957c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 9967c478bd9Sstevel@tonic-gate /* 9977c478bd9Sstevel@tonic-gate * we wrote the primary label okay, so don't fail 9987c478bd9Sstevel@tonic-gate */ 9997c478bd9Sstevel@tonic-gate if (efi_debug) { 10007c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10017c478bd9Sstevel@tonic-gate "write of backup partitions to block %llu " 10027c478bd9Sstevel@tonic-gate "failed, errno %d\n", 10037c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba + 1, 10047c478bd9Sstevel@tonic-gate errno); 10057c478bd9Sstevel@tonic-gate } 10067c478bd9Sstevel@tonic-gate } 10077c478bd9Sstevel@tonic-gate /* 10087c478bd9Sstevel@tonic-gate * now swap MyLBA and AlternateLBA fields and write backup 10097c478bd9Sstevel@tonic-gate * partition table header 10107c478bd9Sstevel@tonic-gate */ 101186bbaf93Scg dk_ioc.dki_lba = lba_backup_gpt_hdr; 10127c478bd9Sstevel@tonic-gate dk_ioc.dki_length = vtoc->efi_lbasize; 1013*65908c77Syu, larry liu - Sun Microsystems - Beijing China /* LINTED */ 1014*65908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data - 1015*65908c77Syu, larry liu - Sun Microsystems - Beijing China vtoc->efi_lbasize); 10167c478bd9Sstevel@tonic-gate efi->efi_gpt_AlternateLBA = LE_64(1ULL); 101786bbaf93Scg efi->efi_gpt_MyLBA = LE_64(lba_backup_gpt_hdr); 10187c478bd9Sstevel@tonic-gate efi->efi_gpt_PartitionEntryLBA = LE_64(vtoc->efi_last_u_lba + 1); 10197c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 0; 10207c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 10217c478bd9Sstevel@tonic-gate LE_32(efi_crc32((unsigned char *)dk_ioc.dki_data, 10227c478bd9Sstevel@tonic-gate sizeof (struct efi_gpt))); 10237c478bd9Sstevel@tonic-gate 10247c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 10257c478bd9Sstevel@tonic-gate if (efi_debug) { 10267c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10277c478bd9Sstevel@tonic-gate "write of backup header to block %llu failed, " 10287c478bd9Sstevel@tonic-gate "errno %d\n", 102986bbaf93Scg lba_backup_gpt_hdr, 10307c478bd9Sstevel@tonic-gate errno); 10317c478bd9Sstevel@tonic-gate } 10327c478bd9Sstevel@tonic-gate } 10337c478bd9Sstevel@tonic-gate /* write the PMBR */ 10347c478bd9Sstevel@tonic-gate (void) write_pmbr(fd, vtoc); 10357c478bd9Sstevel@tonic-gate free(dk_ioc.dki_data); 10367c478bd9Sstevel@tonic-gate return (0); 10377c478bd9Sstevel@tonic-gate } 10387c478bd9Sstevel@tonic-gate 10397c478bd9Sstevel@tonic-gate void 10407c478bd9Sstevel@tonic-gate efi_free(struct dk_gpt *ptr) 10417c478bd9Sstevel@tonic-gate { 10427c478bd9Sstevel@tonic-gate free(ptr); 10437c478bd9Sstevel@tonic-gate } 10447c478bd9Sstevel@tonic-gate 10457c478bd9Sstevel@tonic-gate /* 10467c478bd9Sstevel@tonic-gate * Input: File descriptor 1047342440ecSPrasad Singamsetty * Output: 1 if disk has an EFI label, or > 2TB with no VTOC or legacy MBR. 1048342440ecSPrasad Singamsetty * Otherwise 0. 10497c478bd9Sstevel@tonic-gate */ 10507c478bd9Sstevel@tonic-gate int 10517c478bd9Sstevel@tonic-gate efi_type(int fd) 10527c478bd9Sstevel@tonic-gate { 10537c478bd9Sstevel@tonic-gate struct vtoc vtoc; 1054342440ecSPrasad Singamsetty struct extvtoc extvtoc; 10557c478bd9Sstevel@tonic-gate 1056342440ecSPrasad Singamsetty if (ioctl(fd, DKIOCGEXTVTOC, &extvtoc) == -1) { 1057342440ecSPrasad Singamsetty if (errno == ENOTSUP) 10587c478bd9Sstevel@tonic-gate return (1); 1059342440ecSPrasad Singamsetty else if (errno == ENOTTY) { 1060342440ecSPrasad Singamsetty if (ioctl(fd, DKIOCGVTOC, &vtoc) == -1) 1061342440ecSPrasad Singamsetty if (errno == ENOTSUP) 1062342440ecSPrasad Singamsetty return (1); 10637c478bd9Sstevel@tonic-gate } 10647c478bd9Sstevel@tonic-gate } 10657c478bd9Sstevel@tonic-gate return (0); 10667c478bd9Sstevel@tonic-gate } 10677c478bd9Sstevel@tonic-gate 10687c478bd9Sstevel@tonic-gate void 10697c478bd9Sstevel@tonic-gate efi_err_check(struct dk_gpt *vtoc) 10707c478bd9Sstevel@tonic-gate { 10717c478bd9Sstevel@tonic-gate int resv_part = -1; 10727c478bd9Sstevel@tonic-gate int i, j; 10737c478bd9Sstevel@tonic-gate diskaddr_t istart, jstart, isize, jsize, endsect; 10747c478bd9Sstevel@tonic-gate int overlap = 0; 10757c478bd9Sstevel@tonic-gate 10767c478bd9Sstevel@tonic-gate /* 10777c478bd9Sstevel@tonic-gate * make sure no partitions overlap 10787c478bd9Sstevel@tonic-gate */ 10797c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 10807c478bd9Sstevel@tonic-gate /* It can't be unassigned and have an actual size */ 10817c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_tag == V_UNASSIGNED) && 10827c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_size != 0)) { 10837c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10847c478bd9Sstevel@tonic-gate "partition %d is \"unassigned\" but has a size " 10857c478bd9Sstevel@tonic-gate "of %llu\n", i, vtoc->efi_parts[i].p_size); 10867c478bd9Sstevel@tonic-gate } 10877c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) { 10887c478bd9Sstevel@tonic-gate continue; 10897c478bd9Sstevel@tonic-gate } 10907c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_RESERVED) { 10917c478bd9Sstevel@tonic-gate if (resv_part != -1) { 10927c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10937c478bd9Sstevel@tonic-gate "found duplicate reserved partition at " 10947c478bd9Sstevel@tonic-gate "%d\n", i); 10957c478bd9Sstevel@tonic-gate } 10967c478bd9Sstevel@tonic-gate resv_part = i; 10977c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_size != EFI_MIN_RESV_SIZE) 10987c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10997c478bd9Sstevel@tonic-gate "Warning: reserved partition size must " 11007c478bd9Sstevel@tonic-gate "be %d sectors\n", EFI_MIN_RESV_SIZE); 11017c478bd9Sstevel@tonic-gate } 11027c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start < vtoc->efi_first_u_lba) || 11037c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start > vtoc->efi_last_u_lba)) { 11047c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11057c478bd9Sstevel@tonic-gate "Partition %d starts at %llu\n", 11067c478bd9Sstevel@tonic-gate i, 11077c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start); 11087c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11097c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 11107c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 11117c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 11127c478bd9Sstevel@tonic-gate } 11137c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start + 11147c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size < 11157c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba) || 11167c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start + 11177c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size > 11187c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba + 1)) { 11197c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11207c478bd9Sstevel@tonic-gate "Partition %d ends at %llu\n", 11217c478bd9Sstevel@tonic-gate i, 11227c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start + 11237c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size); 11247c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11257c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 11267c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 11277c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 11287c478bd9Sstevel@tonic-gate } 11297c478bd9Sstevel@tonic-gate 11307c478bd9Sstevel@tonic-gate for (j = 0; j < vtoc->efi_nparts; j++) { 11317c478bd9Sstevel@tonic-gate isize = vtoc->efi_parts[i].p_size; 11327c478bd9Sstevel@tonic-gate jsize = vtoc->efi_parts[j].p_size; 11337c478bd9Sstevel@tonic-gate istart = vtoc->efi_parts[i].p_start; 11347c478bd9Sstevel@tonic-gate jstart = vtoc->efi_parts[j].p_start; 11357c478bd9Sstevel@tonic-gate if ((i != j) && (isize != 0) && (jsize != 0)) { 11367c478bd9Sstevel@tonic-gate endsect = jstart + jsize -1; 11377c478bd9Sstevel@tonic-gate if ((jstart <= istart) && 11387c478bd9Sstevel@tonic-gate (istart <= endsect)) { 11397c478bd9Sstevel@tonic-gate if (!overlap) { 11407c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11417c478bd9Sstevel@tonic-gate "label error: EFI Labels do not " 11427c478bd9Sstevel@tonic-gate "support overlapping partitions\n"); 11437c478bd9Sstevel@tonic-gate } 11447c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11457c478bd9Sstevel@tonic-gate "Partition %d overlaps partition " 11467c478bd9Sstevel@tonic-gate "%d.\n", i, j); 11477c478bd9Sstevel@tonic-gate overlap = 1; 11487c478bd9Sstevel@tonic-gate } 11497c478bd9Sstevel@tonic-gate } 11507c478bd9Sstevel@tonic-gate } 11517c478bd9Sstevel@tonic-gate } 11527c478bd9Sstevel@tonic-gate /* make sure there is a reserved partition */ 11537c478bd9Sstevel@tonic-gate if (resv_part == -1) { 11547c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 1155af007057Syl "no reserved partition found\n"); 11567c478bd9Sstevel@tonic-gate } 11577c478bd9Sstevel@tonic-gate } 11587c478bd9Sstevel@tonic-gate 11597c478bd9Sstevel@tonic-gate /* 11607c478bd9Sstevel@tonic-gate * We need to get information necessary to construct a *new* efi 11617c478bd9Sstevel@tonic-gate * label type 11627c478bd9Sstevel@tonic-gate */ 11637c478bd9Sstevel@tonic-gate int 11647c478bd9Sstevel@tonic-gate efi_auto_sense(int fd, struct dk_gpt **vtoc) 11657c478bd9Sstevel@tonic-gate { 11667c478bd9Sstevel@tonic-gate 11677c478bd9Sstevel@tonic-gate int i; 11687c478bd9Sstevel@tonic-gate 11697c478bd9Sstevel@tonic-gate /* 11707c478bd9Sstevel@tonic-gate * Now build the default partition table 11717c478bd9Sstevel@tonic-gate */ 11727c478bd9Sstevel@tonic-gate if (efi_alloc_and_init(fd, EFI_NUMPAR, vtoc) != 0) { 11737c478bd9Sstevel@tonic-gate if (efi_debug) { 11747c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "efi_alloc_and_init failed.\n"); 11757c478bd9Sstevel@tonic-gate } 11767c478bd9Sstevel@tonic-gate return (-1); 11777c478bd9Sstevel@tonic-gate } 11787c478bd9Sstevel@tonic-gate 11797c478bd9Sstevel@tonic-gate for (i = 0; i < min((*vtoc)->efi_nparts, V_NUMPAR); i++) { 11807c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_tag = default_vtoc_map[i].p_tag; 11817c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_flag = default_vtoc_map[i].p_flag; 11827c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_start = 0; 11837c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_size = 0; 11847c478bd9Sstevel@tonic-gate } 11857c478bd9Sstevel@tonic-gate /* 11867c478bd9Sstevel@tonic-gate * Make constants first 11877c478bd9Sstevel@tonic-gate * and variable partitions later 11887c478bd9Sstevel@tonic-gate */ 11897c478bd9Sstevel@tonic-gate 11907c478bd9Sstevel@tonic-gate /* root partition - s0 128 MB */ 11917c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[0].p_start = 34; 11927c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[0].p_size = 262144; 11937c478bd9Sstevel@tonic-gate 11947c478bd9Sstevel@tonic-gate /* partition - s1 128 MB */ 11957c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[1].p_start = 262178; 11967c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[1].p_size = 262144; 11977c478bd9Sstevel@tonic-gate 11987c478bd9Sstevel@tonic-gate /* partition -s2 is NOT the Backup disk */ 11997c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[2].p_tag = V_UNASSIGNED; 12007c478bd9Sstevel@tonic-gate 12017c478bd9Sstevel@tonic-gate /* partition -s6 /usr partition - HOG */ 12027c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[6].p_start = 524322; 12037c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[6].p_size = (*vtoc)->efi_last_u_lba - 524322 12047c478bd9Sstevel@tonic-gate - (1024 * 16); 12057c478bd9Sstevel@tonic-gate 12067c478bd9Sstevel@tonic-gate /* efi reserved partition - s9 16K */ 12077c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[8].p_start = (*vtoc)->efi_last_u_lba - (1024 * 16); 12087c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[8].p_size = (1024 * 16); 12097c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[8].p_tag = V_RESERVED; 12107c478bd9Sstevel@tonic-gate return (0); 12117c478bd9Sstevel@tonic-gate } 1212