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 /* 2380c797c0SSharath M Srinivasan * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. 24bd93c05dSAlexander Eremin * Copyright 2015 Nexenta Systems, Inc. All rights reserved. 25e088753cSToomas Soome * Copyright 2014 Toomas Soome <tsoome@me.com> 267c478bd9Sstevel@tonic-gate */ 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 }, 58bd93c05dSAlexander Eremin { 0 }, /* CACHE is never used */ 597c478bd9Sstevel@tonic-gate { EFI_RESERVED }, 607c478bd9Sstevel@tonic-gate { EFI_SYSTEM }, 617c478bd9Sstevel@tonic-gate { EFI_LEGACY_MBR }, 6280c797c0SSharath M Srinivasan { EFI_SYMC_PUB }, 6380c797c0SSharath M Srinivasan { EFI_SYMC_CDS }, 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 }, 71e21ea675SYuri Pankov { EFI_AAPL_UFS }, 72e088753cSToomas Soome { EFI_BIOS_BOOT }, 73e21ea675SYuri Pankov { EFI_FREEBSD_BOOT }, 74e21ea675SYuri Pankov { EFI_FREEBSD_SWAP }, 75e21ea675SYuri Pankov { EFI_FREEBSD_UFS }, 76e21ea675SYuri Pankov { EFI_FREEBSD_VINUM }, 77e21ea675SYuri Pankov { EFI_FREEBSD_ZFS } 787c478bd9Sstevel@tonic-gate }; 797c478bd9Sstevel@tonic-gate 807c478bd9Sstevel@tonic-gate /* 817c478bd9Sstevel@tonic-gate * Default vtoc information for non-SVr4 partitions 827c478bd9Sstevel@tonic-gate */ 837c478bd9Sstevel@tonic-gate struct dk_map2 default_vtoc_map[NDKMAP] = { 847c478bd9Sstevel@tonic-gate { V_ROOT, 0 }, /* a - 0 */ 857c478bd9Sstevel@tonic-gate { V_SWAP, V_UNMNT }, /* b - 1 */ 867c478bd9Sstevel@tonic-gate { V_BACKUP, V_UNMNT }, /* c - 2 */ 877c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* d - 3 */ 887c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* e - 4 */ 897c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* f - 5 */ 907c478bd9Sstevel@tonic-gate { V_USR, 0 }, /* g - 6 */ 917c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* h - 7 */ 927c478bd9Sstevel@tonic-gate 937c478bd9Sstevel@tonic-gate #if defined(_SUNOS_VTOC_16) 947c478bd9Sstevel@tonic-gate 957c478bd9Sstevel@tonic-gate #if defined(i386) || defined(__amd64) 967c478bd9Sstevel@tonic-gate { V_BOOT, V_UNMNT }, /* i - 8 */ 977c478bd9Sstevel@tonic-gate { V_ALTSCTR, 0 }, /* j - 9 */ 987c478bd9Sstevel@tonic-gate 997c478bd9Sstevel@tonic-gate #else 1007c478bd9Sstevel@tonic-gate #error No VTOC format defined. 1017c478bd9Sstevel@tonic-gate #endif /* defined(i386) */ 1027c478bd9Sstevel@tonic-gate 1037c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* k - 10 */ 1047c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* l - 11 */ 1057c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* m - 12 */ 1067c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* n - 13 */ 1077c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* o - 14 */ 1087c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* p - 15 */ 1097c478bd9Sstevel@tonic-gate #endif /* defined(_SUNOS_VTOC_16) */ 1107c478bd9Sstevel@tonic-gate }; 1117c478bd9Sstevel@tonic-gate 1127c478bd9Sstevel@tonic-gate #ifdef DEBUG 1137c478bd9Sstevel@tonic-gate int efi_debug = 1; 1147c478bd9Sstevel@tonic-gate #else 1157c478bd9Sstevel@tonic-gate int efi_debug = 0; 1167c478bd9Sstevel@tonic-gate #endif 1177c478bd9Sstevel@tonic-gate 1187c478bd9Sstevel@tonic-gate extern unsigned int efi_crc32(const unsigned char *, unsigned int); 1197c478bd9Sstevel@tonic-gate static int efi_read(int, struct dk_gpt *); 1207c478bd9Sstevel@tonic-gate 1217c478bd9Sstevel@tonic-gate static int 1227c478bd9Sstevel@tonic-gate read_disk_info(int fd, diskaddr_t *capacity, uint_t *lbsize) 1237c478bd9Sstevel@tonic-gate { 1247c478bd9Sstevel@tonic-gate struct dk_minfo disk_info; 1257c478bd9Sstevel@tonic-gate 1267c478bd9Sstevel@tonic-gate if ((ioctl(fd, DKIOCGMEDIAINFO, (caddr_t)&disk_info)) == -1) 1277c478bd9Sstevel@tonic-gate return (errno); 1287c478bd9Sstevel@tonic-gate *capacity = disk_info.dki_capacity; 1297c478bd9Sstevel@tonic-gate *lbsize = disk_info.dki_lbsize; 1307c478bd9Sstevel@tonic-gate return (0); 1317c478bd9Sstevel@tonic-gate } 1327c478bd9Sstevel@tonic-gate 1337c478bd9Sstevel@tonic-gate /* 1347c478bd9Sstevel@tonic-gate * the number of blocks the EFI label takes up (round up to nearest 1357c478bd9Sstevel@tonic-gate * block) 1367c478bd9Sstevel@tonic-gate */ 1377c478bd9Sstevel@tonic-gate #define NBLOCKS(p, l) (1 + ((((p) * (int)sizeof (efi_gpe_t)) + \ 1387c478bd9Sstevel@tonic-gate ((l) - 1)) / (l))) 1397c478bd9Sstevel@tonic-gate /* number of partitions -- limited by what we can malloc */ 1407c478bd9Sstevel@tonic-gate #define MAX_PARTS ((4294967295UL - sizeof (struct dk_gpt)) / \ 1417c478bd9Sstevel@tonic-gate sizeof (struct dk_part)) 1427c478bd9Sstevel@tonic-gate 1437c478bd9Sstevel@tonic-gate int 1447c478bd9Sstevel@tonic-gate efi_alloc_and_init(int fd, uint32_t nparts, struct dk_gpt **vtoc) 1457c478bd9Sstevel@tonic-gate { 1467c478bd9Sstevel@tonic-gate diskaddr_t capacity; 1477c478bd9Sstevel@tonic-gate uint_t lbsize; 1487c478bd9Sstevel@tonic-gate uint_t nblocks; 1497c478bd9Sstevel@tonic-gate size_t length; 1507c478bd9Sstevel@tonic-gate struct dk_gpt *vptr; 1517c478bd9Sstevel@tonic-gate struct uuid uuid; 1527c478bd9Sstevel@tonic-gate 1537c478bd9Sstevel@tonic-gate if (read_disk_info(fd, &capacity, &lbsize) != 0) { 1547c478bd9Sstevel@tonic-gate if (efi_debug) 1557c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 1567c478bd9Sstevel@tonic-gate "couldn't read disk information\n"); 1577c478bd9Sstevel@tonic-gate return (-1); 1587c478bd9Sstevel@tonic-gate } 1597c478bd9Sstevel@tonic-gate 1607c478bd9Sstevel@tonic-gate nblocks = NBLOCKS(nparts, lbsize); 1617c478bd9Sstevel@tonic-gate if ((nblocks * lbsize) < EFI_MIN_ARRAY_SIZE + lbsize) { 1627c478bd9Sstevel@tonic-gate /* 16K plus one block for the GPT */ 1637c478bd9Sstevel@tonic-gate nblocks = EFI_MIN_ARRAY_SIZE / lbsize + 1; 1647c478bd9Sstevel@tonic-gate } 1657c478bd9Sstevel@tonic-gate 1667c478bd9Sstevel@tonic-gate if (nparts > MAX_PARTS) { 1677c478bd9Sstevel@tonic-gate if (efi_debug) { 1687c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 1697c478bd9Sstevel@tonic-gate "the maximum number of partitions supported is %lu\n", 1707c478bd9Sstevel@tonic-gate MAX_PARTS); 1717c478bd9Sstevel@tonic-gate } 1727c478bd9Sstevel@tonic-gate return (-1); 1737c478bd9Sstevel@tonic-gate } 1747c478bd9Sstevel@tonic-gate 1757c478bd9Sstevel@tonic-gate length = sizeof (struct dk_gpt) + 1767c478bd9Sstevel@tonic-gate sizeof (struct dk_part) * (nparts - 1); 1777c478bd9Sstevel@tonic-gate 1787c478bd9Sstevel@tonic-gate if ((*vtoc = calloc(length, 1)) == NULL) 1797c478bd9Sstevel@tonic-gate return (-1); 1807c478bd9Sstevel@tonic-gate 1817c478bd9Sstevel@tonic-gate vptr = *vtoc; 1827c478bd9Sstevel@tonic-gate 1837c478bd9Sstevel@tonic-gate vptr->efi_version = EFI_VERSION_CURRENT; 1847c478bd9Sstevel@tonic-gate vptr->efi_lbasize = lbsize; 1857c478bd9Sstevel@tonic-gate vptr->efi_nparts = nparts; 1867c478bd9Sstevel@tonic-gate /* 1877c478bd9Sstevel@tonic-gate * add one block here for the PMBR; on disks with a 512 byte 1887c478bd9Sstevel@tonic-gate * block size and 128 or fewer partitions, efi_first_u_lba 1897c478bd9Sstevel@tonic-gate * should work out to "34" 1907c478bd9Sstevel@tonic-gate */ 1917c478bd9Sstevel@tonic-gate vptr->efi_first_u_lba = nblocks + 1; 1927c478bd9Sstevel@tonic-gate vptr->efi_last_lba = capacity - 1; 193af007057Syl vptr->efi_altern_lba = capacity -1; 1947c478bd9Sstevel@tonic-gate vptr->efi_last_u_lba = vptr->efi_last_lba - nblocks; 19565908c77Syu, larry liu - Sun Microsystems - Beijing China 1967c478bd9Sstevel@tonic-gate (void) uuid_generate((uchar_t *)&uuid); 1977c478bd9Sstevel@tonic-gate UUID_LE_CONVERT(vptr->efi_disk_uguid, uuid); 1987c478bd9Sstevel@tonic-gate return (0); 1997c478bd9Sstevel@tonic-gate } 2007c478bd9Sstevel@tonic-gate 2017c478bd9Sstevel@tonic-gate /* 2027c478bd9Sstevel@tonic-gate * Read EFI - return partition number upon success. 2037c478bd9Sstevel@tonic-gate */ 2047c478bd9Sstevel@tonic-gate int 2057c478bd9Sstevel@tonic-gate efi_alloc_and_read(int fd, struct dk_gpt **vtoc) 2067c478bd9Sstevel@tonic-gate { 2077c478bd9Sstevel@tonic-gate int rval; 2087c478bd9Sstevel@tonic-gate uint32_t nparts; 2097c478bd9Sstevel@tonic-gate int length; 2107c478bd9Sstevel@tonic-gate 2117c478bd9Sstevel@tonic-gate /* figure out the number of entries that would fit into 16K */ 2127c478bd9Sstevel@tonic-gate nparts = EFI_MIN_ARRAY_SIZE / sizeof (efi_gpe_t); 2137c478bd9Sstevel@tonic-gate length = (int) sizeof (struct dk_gpt) + 214af007057Syl (int) sizeof (struct dk_part) * (nparts - 1); 2157c478bd9Sstevel@tonic-gate if ((*vtoc = calloc(length, 1)) == NULL) 2167c478bd9Sstevel@tonic-gate return (VT_ERROR); 2177c478bd9Sstevel@tonic-gate 2187c478bd9Sstevel@tonic-gate (*vtoc)->efi_nparts = nparts; 2197c478bd9Sstevel@tonic-gate rval = efi_read(fd, *vtoc); 2207c478bd9Sstevel@tonic-gate 2217c478bd9Sstevel@tonic-gate if ((rval == VT_EINVAL) && (*vtoc)->efi_nparts > nparts) { 2227c478bd9Sstevel@tonic-gate void *tmp; 2237c478bd9Sstevel@tonic-gate length = (int) sizeof (struct dk_gpt) + 224af007057Syl (int) sizeof (struct dk_part) * 225af007057Syl ((*vtoc)->efi_nparts - 1); 2267c478bd9Sstevel@tonic-gate nparts = (*vtoc)->efi_nparts; 2277c478bd9Sstevel@tonic-gate if ((tmp = realloc(*vtoc, length)) == NULL) { 2287c478bd9Sstevel@tonic-gate free (*vtoc); 2297c478bd9Sstevel@tonic-gate *vtoc = NULL; 2307c478bd9Sstevel@tonic-gate return (VT_ERROR); 2317c478bd9Sstevel@tonic-gate } else { 2327c478bd9Sstevel@tonic-gate *vtoc = tmp; 2337c478bd9Sstevel@tonic-gate rval = efi_read(fd, *vtoc); 2347c478bd9Sstevel@tonic-gate } 2357c478bd9Sstevel@tonic-gate } 2367c478bd9Sstevel@tonic-gate 2377c478bd9Sstevel@tonic-gate if (rval < 0) { 2387c478bd9Sstevel@tonic-gate if (efi_debug) { 2397c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 2407c478bd9Sstevel@tonic-gate "read of EFI table failed, rval=%d\n", rval); 2417c478bd9Sstevel@tonic-gate } 2427c478bd9Sstevel@tonic-gate free (*vtoc); 2437c478bd9Sstevel@tonic-gate *vtoc = NULL; 2447c478bd9Sstevel@tonic-gate } 2457c478bd9Sstevel@tonic-gate 2467c478bd9Sstevel@tonic-gate return (rval); 2477c478bd9Sstevel@tonic-gate } 2487c478bd9Sstevel@tonic-gate 2497c478bd9Sstevel@tonic-gate static int 2507c478bd9Sstevel@tonic-gate efi_ioctl(int fd, int cmd, dk_efi_t *dk_ioc) 2517c478bd9Sstevel@tonic-gate { 2527c478bd9Sstevel@tonic-gate void *data = dk_ioc->dki_data; 2537c478bd9Sstevel@tonic-gate int error; 2547c478bd9Sstevel@tonic-gate 2557c478bd9Sstevel@tonic-gate dk_ioc->dki_data_64 = (uint64_t)(uintptr_t)data; 2567c478bd9Sstevel@tonic-gate error = ioctl(fd, cmd, (void *)dk_ioc); 2577c478bd9Sstevel@tonic-gate dk_ioc->dki_data = data; 2587c478bd9Sstevel@tonic-gate 2597c478bd9Sstevel@tonic-gate return (error); 2607c478bd9Sstevel@tonic-gate } 2617c478bd9Sstevel@tonic-gate 2627c478bd9Sstevel@tonic-gate static int 2637c478bd9Sstevel@tonic-gate check_label(int fd, dk_efi_t *dk_ioc) 2647c478bd9Sstevel@tonic-gate { 2657c478bd9Sstevel@tonic-gate efi_gpt_t *efi; 2667c478bd9Sstevel@tonic-gate uint_t crc; 2677c478bd9Sstevel@tonic-gate 2687c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCGETEFI, dk_ioc) == -1) { 2697c478bd9Sstevel@tonic-gate switch (errno) { 2707c478bd9Sstevel@tonic-gate case EIO: 2717c478bd9Sstevel@tonic-gate return (VT_EIO); 2727c478bd9Sstevel@tonic-gate default: 2737c478bd9Sstevel@tonic-gate return (VT_ERROR); 2747c478bd9Sstevel@tonic-gate } 2757c478bd9Sstevel@tonic-gate } 2767c478bd9Sstevel@tonic-gate efi = dk_ioc->dki_data; 2777c478bd9Sstevel@tonic-gate if (efi->efi_gpt_Signature != LE_64(EFI_SIGNATURE)) { 2787c478bd9Sstevel@tonic-gate if (efi_debug) 2797c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 2807c478bd9Sstevel@tonic-gate "Bad EFI signature: 0x%llx != 0x%llx\n", 2817c478bd9Sstevel@tonic-gate (long long)efi->efi_gpt_Signature, 2827c478bd9Sstevel@tonic-gate (long long)LE_64(EFI_SIGNATURE)); 2837c478bd9Sstevel@tonic-gate return (VT_EINVAL); 2847c478bd9Sstevel@tonic-gate } 2857c478bd9Sstevel@tonic-gate 2867c478bd9Sstevel@tonic-gate /* 2877c478bd9Sstevel@tonic-gate * check CRC of the header; the size of the header should 2887c478bd9Sstevel@tonic-gate * never be larger than one block 2897c478bd9Sstevel@tonic-gate */ 2907c478bd9Sstevel@tonic-gate crc = efi->efi_gpt_HeaderCRC32; 2917c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 0; 2927c478bd9Sstevel@tonic-gate 2937c478bd9Sstevel@tonic-gate if (((len_t)LE_32(efi->efi_gpt_HeaderSize) > dk_ioc->dki_length) || 2947c478bd9Sstevel@tonic-gate crc != LE_32(efi_crc32((unsigned char *)efi, 2957c478bd9Sstevel@tonic-gate LE_32(efi->efi_gpt_HeaderSize)))) { 2967c478bd9Sstevel@tonic-gate if (efi_debug) 2977c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 298af007057Syl "Bad EFI CRC: 0x%x != 0x%x\n", 299af007057Syl crc, 300af007057Syl LE_32(efi_crc32((unsigned char *)efi, 301af007057Syl sizeof (struct efi_gpt)))); 3027c478bd9Sstevel@tonic-gate return (VT_EINVAL); 3037c478bd9Sstevel@tonic-gate } 3047c478bd9Sstevel@tonic-gate 3057c478bd9Sstevel@tonic-gate return (0); 3067c478bd9Sstevel@tonic-gate } 3077c478bd9Sstevel@tonic-gate 3087c478bd9Sstevel@tonic-gate static int 3097c478bd9Sstevel@tonic-gate efi_read(int fd, struct dk_gpt *vtoc) 3107c478bd9Sstevel@tonic-gate { 3117c478bd9Sstevel@tonic-gate int i, j; 3127c478bd9Sstevel@tonic-gate int label_len; 3137c478bd9Sstevel@tonic-gate int rval = 0; 3147c478bd9Sstevel@tonic-gate int md_flag = 0; 315d84f0041SAlexandre Chartre int vdc_flag = 0; 3167c478bd9Sstevel@tonic-gate struct dk_minfo disk_info; 3177c478bd9Sstevel@tonic-gate dk_efi_t dk_ioc; 3187c478bd9Sstevel@tonic-gate efi_gpt_t *efi; 3197c478bd9Sstevel@tonic-gate efi_gpe_t *efi_parts; 3207c478bd9Sstevel@tonic-gate struct dk_cinfo dki_info; 3217c478bd9Sstevel@tonic-gate uint32_t user_length; 32286bbaf93Scg boolean_t legacy_label = B_FALSE; 3237c478bd9Sstevel@tonic-gate 3247c478bd9Sstevel@tonic-gate /* 3257c478bd9Sstevel@tonic-gate * get the partition number for this file descriptor. 3267c478bd9Sstevel@tonic-gate */ 3277c478bd9Sstevel@tonic-gate if (ioctl(fd, DKIOCINFO, (caddr_t)&dki_info) == -1) { 328af007057Syl if (efi_debug) { 329af007057Syl (void) fprintf(stderr, "DKIOCINFO errno 0x%x\n", errno); 330af007057Syl } 3317c478bd9Sstevel@tonic-gate switch (errno) { 3327c478bd9Sstevel@tonic-gate case EIO: 3337c478bd9Sstevel@tonic-gate return (VT_EIO); 3347c478bd9Sstevel@tonic-gate case EINVAL: 3357c478bd9Sstevel@tonic-gate return (VT_EINVAL); 3367c478bd9Sstevel@tonic-gate default: 3377c478bd9Sstevel@tonic-gate return (VT_ERROR); 3387c478bd9Sstevel@tonic-gate } 3397c478bd9Sstevel@tonic-gate } 3407c478bd9Sstevel@tonic-gate if ((strncmp(dki_info.dki_cname, "pseudo", 7) == 0) && 3417c478bd9Sstevel@tonic-gate (strncmp(dki_info.dki_dname, "md", 3) == 0)) { 3427c478bd9Sstevel@tonic-gate md_flag++; 343d84f0041SAlexandre Chartre } else if ((strncmp(dki_info.dki_cname, "vdc", 4) == 0) && 344d84f0041SAlexandre Chartre (strncmp(dki_info.dki_dname, "vdc", 4) == 0)) { 345d84f0041SAlexandre Chartre /* 346d84f0041SAlexandre Chartre * The controller and drive name "vdc" (virtual disk client) 347d84f0041SAlexandre Chartre * indicates a LDoms virtual disk. 348d84f0041SAlexandre Chartre */ 349d84f0041SAlexandre Chartre vdc_flag++; 3507c478bd9Sstevel@tonic-gate } 351d84f0041SAlexandre Chartre 3527c478bd9Sstevel@tonic-gate /* get the LBA size */ 3537c478bd9Sstevel@tonic-gate if (ioctl(fd, DKIOCGMEDIAINFO, (caddr_t)&disk_info) == -1) { 3547c478bd9Sstevel@tonic-gate if (efi_debug) { 3557c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 3567c478bd9Sstevel@tonic-gate "assuming LBA 512 bytes %d\n", 3577c478bd9Sstevel@tonic-gate errno); 3587c478bd9Sstevel@tonic-gate } 3597c478bd9Sstevel@tonic-gate disk_info.dki_lbsize = DEV_BSIZE; 3607c478bd9Sstevel@tonic-gate } 3617c478bd9Sstevel@tonic-gate if (disk_info.dki_lbsize == 0) { 3627c478bd9Sstevel@tonic-gate if (efi_debug) { 3637c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 3647c478bd9Sstevel@tonic-gate "efi_read: assuming LBA 512 bytes\n"); 3657c478bd9Sstevel@tonic-gate } 3667c478bd9Sstevel@tonic-gate disk_info.dki_lbsize = DEV_BSIZE; 3677c478bd9Sstevel@tonic-gate } 3687c478bd9Sstevel@tonic-gate /* 3697c478bd9Sstevel@tonic-gate * Read the EFI GPT to figure out how many partitions we need 3707c478bd9Sstevel@tonic-gate * to deal with. 3717c478bd9Sstevel@tonic-gate */ 3727c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = 1; 3737c478bd9Sstevel@tonic-gate if (NBLOCKS(vtoc->efi_nparts, disk_info.dki_lbsize) < 34) { 3747c478bd9Sstevel@tonic-gate label_len = EFI_MIN_ARRAY_SIZE + disk_info.dki_lbsize; 3757c478bd9Sstevel@tonic-gate } else { 3767c478bd9Sstevel@tonic-gate label_len = vtoc->efi_nparts * (int) sizeof (efi_gpe_t) + 377af007057Syl disk_info.dki_lbsize; 3787c478bd9Sstevel@tonic-gate if (label_len % disk_info.dki_lbsize) { 3797c478bd9Sstevel@tonic-gate /* pad to physical sector size */ 3807c478bd9Sstevel@tonic-gate label_len += disk_info.dki_lbsize; 3817c478bd9Sstevel@tonic-gate label_len &= ~(disk_info.dki_lbsize - 1); 3827c478bd9Sstevel@tonic-gate } 3837c478bd9Sstevel@tonic-gate } 3847c478bd9Sstevel@tonic-gate 3857c478bd9Sstevel@tonic-gate if ((dk_ioc.dki_data = calloc(label_len, 1)) == NULL) 3867c478bd9Sstevel@tonic-gate return (VT_ERROR); 3877c478bd9Sstevel@tonic-gate 388c7e1889fSyl dk_ioc.dki_length = disk_info.dki_lbsize; 3897c478bd9Sstevel@tonic-gate user_length = vtoc->efi_nparts; 3907c478bd9Sstevel@tonic-gate efi = dk_ioc.dki_data; 3917c478bd9Sstevel@tonic-gate if (md_flag) { 392c7e1889fSyl dk_ioc.dki_length = label_len; 3937c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCGETEFI, &dk_ioc) == -1) { 3947c478bd9Sstevel@tonic-gate switch (errno) { 3957c478bd9Sstevel@tonic-gate case EIO: 3967c478bd9Sstevel@tonic-gate return (VT_EIO); 3977c478bd9Sstevel@tonic-gate default: 3987c478bd9Sstevel@tonic-gate return (VT_ERROR); 3997c478bd9Sstevel@tonic-gate } 4007c478bd9Sstevel@tonic-gate } 4017c478bd9Sstevel@tonic-gate } else if ((rval = check_label(fd, &dk_ioc)) == VT_EINVAL) { 40286bbaf93Scg /* 40386bbaf93Scg * No valid label here; try the alternate. Note that here 40486bbaf93Scg * we just read GPT header and save it into dk_ioc.data, 40586bbaf93Scg * Later, we will read GUID partition entry array if we 40686bbaf93Scg * can get valid GPT header. 40786bbaf93Scg */ 40886bbaf93Scg 40986bbaf93Scg /* 41086bbaf93Scg * This is a workaround for legacy systems. In the past, the 41186bbaf93Scg * last sector of SCSI disk was invisible on x86 platform. At 41286bbaf93Scg * that time, backup label was saved on the next to the last 41386bbaf93Scg * sector. It is possible for users to move a disk from previous 41486bbaf93Scg * solaris system to present system. Here, we attempt to search 41586bbaf93Scg * legacy backup EFI label first. 41686bbaf93Scg */ 41786bbaf93Scg dk_ioc.dki_lba = disk_info.dki_capacity - 2; 4187c478bd9Sstevel@tonic-gate dk_ioc.dki_length = disk_info.dki_lbsize; 4194f0dea16Scg rval = check_label(fd, &dk_ioc); 42086bbaf93Scg if (rval == VT_EINVAL) { 4214f0dea16Scg /* 42286bbaf93Scg * we didn't find legacy backup EFI label, try to 42386bbaf93Scg * search backup EFI label in the last block. 4244f0dea16Scg */ 42586bbaf93Scg dk_ioc.dki_lba = disk_info.dki_capacity - 1; 4264f0dea16Scg dk_ioc.dki_length = disk_info.dki_lbsize; 4274f0dea16Scg rval = check_label(fd, &dk_ioc); 42886bbaf93Scg if (rval == 0) { 42986bbaf93Scg legacy_label = B_TRUE; 43086bbaf93Scg if (efi_debug) 43186bbaf93Scg (void) fprintf(stderr, 43286bbaf93Scg "efi_read: primary label corrupt; " 43386bbaf93Scg "using EFI backup label located on" 43486bbaf93Scg " the last block\n"); 4354f0dea16Scg } 43686bbaf93Scg } else { 43786bbaf93Scg if ((efi_debug) && (rval == 0)) 43886bbaf93Scg (void) fprintf(stderr, "efi_read: primary label" 43986bbaf93Scg " corrupt; using legacy EFI backup label " 44086bbaf93Scg " located on the next to last block\n"); 4414f0dea16Scg } 4424f0dea16Scg 4434f0dea16Scg if (rval == 0) { 4447c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = LE_64(efi->efi_gpt_PartitionEntryLBA); 4457c478bd9Sstevel@tonic-gate vtoc->efi_flags |= EFI_GPT_PRIMARY_CORRUPT; 4467c478bd9Sstevel@tonic-gate vtoc->efi_nparts = 4477c478bd9Sstevel@tonic-gate LE_32(efi->efi_gpt_NumberOfPartitionEntries); 4487c478bd9Sstevel@tonic-gate /* 44986bbaf93Scg * Partition tables are between backup GPT header 45086bbaf93Scg * table and ParitionEntryLBA (the starting LBA of 45186bbaf93Scg * the GUID partition entries array). Now that we 45286bbaf93Scg * already got valid GPT header and saved it in 45386bbaf93Scg * dk_ioc.dki_data, we try to get GUID partition 45486bbaf93Scg * entry array here. 4557c478bd9Sstevel@tonic-gate */ 45665908c77Syu, larry liu - Sun Microsystems - Beijing China /* LINTED */ 45765908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data 45865908c77Syu, larry liu - Sun Microsystems - Beijing China + disk_info.dki_lbsize); 45986bbaf93Scg if (legacy_label) 46086bbaf93Scg dk_ioc.dki_length = disk_info.dki_capacity - 1 - 461af007057Syl dk_ioc.dki_lba; 46286bbaf93Scg else 46386bbaf93Scg dk_ioc.dki_length = disk_info.dki_capacity - 2 - 464af007057Syl dk_ioc.dki_lba; 4657c478bd9Sstevel@tonic-gate dk_ioc.dki_length *= disk_info.dki_lbsize; 46686bbaf93Scg if (dk_ioc.dki_length > 46786bbaf93Scg ((len_t)label_len - sizeof (*dk_ioc.dki_data))) { 4687c478bd9Sstevel@tonic-gate rval = VT_EINVAL; 4697c478bd9Sstevel@tonic-gate } else { 47086bbaf93Scg /* 47186bbaf93Scg * read GUID partition entry array 47286bbaf93Scg */ 4737c478bd9Sstevel@tonic-gate rval = efi_ioctl(fd, DKIOCGETEFI, &dk_ioc); 4747c478bd9Sstevel@tonic-gate } 4757c478bd9Sstevel@tonic-gate } 476d84f0041SAlexandre Chartre 477d84f0041SAlexandre Chartre } else if (rval == 0) { 478d84f0041SAlexandre Chartre 479c7e1889fSyl dk_ioc.dki_lba = LE_64(efi->efi_gpt_PartitionEntryLBA); 48065908c77Syu, larry liu - Sun Microsystems - Beijing China /* LINTED */ 48165908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data 48265908c77Syu, larry liu - Sun Microsystems - Beijing China + disk_info.dki_lbsize); 483c7e1889fSyl dk_ioc.dki_length = label_len - disk_info.dki_lbsize; 484c7e1889fSyl rval = efi_ioctl(fd, DKIOCGETEFI, &dk_ioc); 485d84f0041SAlexandre Chartre 486d84f0041SAlexandre Chartre } else if (vdc_flag && rval == VT_ERROR && errno == EINVAL) { 487d84f0041SAlexandre Chartre /* 488d84f0041SAlexandre Chartre * When the device is a LDoms virtual disk, the DKIOCGETEFI 489d84f0041SAlexandre Chartre * ioctl can fail with EINVAL if the virtual disk backend 490d84f0041SAlexandre Chartre * is a ZFS volume serviced by a domain running an old version 491d84f0041SAlexandre Chartre * of Solaris. This is because the DKIOCGETEFI ioctl was 492d84f0041SAlexandre Chartre * initially incorrectly implemented for a ZFS volume and it 493d84f0041SAlexandre Chartre * expected the GPT and GPE to be retrieved with a single ioctl. 494d84f0041SAlexandre Chartre * So we try to read the GPT and the GPE using that old style 495d84f0041SAlexandre Chartre * ioctl. 496d84f0041SAlexandre Chartre */ 497d84f0041SAlexandre Chartre dk_ioc.dki_lba = 1; 498d84f0041SAlexandre Chartre dk_ioc.dki_length = label_len; 499d84f0041SAlexandre Chartre rval = check_label(fd, &dk_ioc); 5007c478bd9Sstevel@tonic-gate } 501d84f0041SAlexandre Chartre 5027c478bd9Sstevel@tonic-gate if (rval < 0) { 5037c478bd9Sstevel@tonic-gate free(efi); 5047c478bd9Sstevel@tonic-gate return (rval); 5057c478bd9Sstevel@tonic-gate } 5067c478bd9Sstevel@tonic-gate 5077c478bd9Sstevel@tonic-gate /* LINTED -- always longlong aligned */ 508c7e1889fSyl efi_parts = (efi_gpe_t *)(((char *)efi) + disk_info.dki_lbsize); 5097c478bd9Sstevel@tonic-gate 5107c478bd9Sstevel@tonic-gate /* 5117c478bd9Sstevel@tonic-gate * Assemble this into a "dk_gpt" struct for easier 5127c478bd9Sstevel@tonic-gate * digestibility by applications. 5137c478bd9Sstevel@tonic-gate */ 5147c478bd9Sstevel@tonic-gate vtoc->efi_version = LE_32(efi->efi_gpt_Revision); 5157c478bd9Sstevel@tonic-gate vtoc->efi_nparts = LE_32(efi->efi_gpt_NumberOfPartitionEntries); 5167c478bd9Sstevel@tonic-gate vtoc->efi_part_size = LE_32(efi->efi_gpt_SizeOfPartitionEntry); 5177c478bd9Sstevel@tonic-gate vtoc->efi_lbasize = disk_info.dki_lbsize; 5187c478bd9Sstevel@tonic-gate vtoc->efi_last_lba = disk_info.dki_capacity - 1; 5197c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba = LE_64(efi->efi_gpt_FirstUsableLBA); 5207c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba = LE_64(efi->efi_gpt_LastUsableLBA); 521af007057Syl vtoc->efi_altern_lba = LE_64(efi->efi_gpt_AlternateLBA); 5227c478bd9Sstevel@tonic-gate UUID_LE_CONVERT(vtoc->efi_disk_uguid, efi->efi_gpt_DiskGUID); 5237c478bd9Sstevel@tonic-gate 5247c478bd9Sstevel@tonic-gate /* 5257c478bd9Sstevel@tonic-gate * If the array the user passed in is too small, set the length 5267c478bd9Sstevel@tonic-gate * to what it needs to be and return 5277c478bd9Sstevel@tonic-gate */ 5287c478bd9Sstevel@tonic-gate if (user_length < vtoc->efi_nparts) { 5297c478bd9Sstevel@tonic-gate return (VT_EINVAL); 5307c478bd9Sstevel@tonic-gate } 5317c478bd9Sstevel@tonic-gate 5327c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 5337c478bd9Sstevel@tonic-gate 534af007057Syl UUID_LE_CONVERT(vtoc->efi_parts[i].p_guid, 535af007057Syl efi_parts[i].efi_gpe_PartitionTypeGUID); 536af007057Syl 537af007057Syl for (j = 0; 538af007057Syl j < sizeof (conversion_array) 539af007057Syl / sizeof (struct uuid_to_ptag); j++) { 540af007057Syl 541af007057Syl if (bcmp(&vtoc->efi_parts[i].p_guid, 542af007057Syl &conversion_array[j].uuid, 543af007057Syl sizeof (struct uuid)) == 0) { 544af007057Syl vtoc->efi_parts[i].p_tag = j; 545af007057Syl break; 546af007057Syl } 547af007057Syl } 548af007057Syl if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) 549af007057Syl continue; 550af007057Syl vtoc->efi_parts[i].p_flag = 551af007057Syl LE_16(efi_parts[i].efi_gpe_Attributes.PartitionAttrs); 552af007057Syl vtoc->efi_parts[i].p_start = 553af007057Syl LE_64(efi_parts[i].efi_gpe_StartingLBA); 554af007057Syl vtoc->efi_parts[i].p_size = 555af007057Syl LE_64(efi_parts[i].efi_gpe_EndingLBA) - 5567c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start + 1; 557af007057Syl for (j = 0; j < EFI_PART_NAME_LEN; j++) { 558af007057Syl vtoc->efi_parts[i].p_name[j] = 559af007057Syl (uchar_t)LE_16( 560af007057Syl efi_parts[i].efi_gpe_PartitionName[j]); 561af007057Syl } 5627c478bd9Sstevel@tonic-gate 563af007057Syl UUID_LE_CONVERT(vtoc->efi_parts[i].p_uguid, 564af007057Syl efi_parts[i].efi_gpe_UniquePartitionGUID); 5657c478bd9Sstevel@tonic-gate } 5667c478bd9Sstevel@tonic-gate free(efi); 5677c478bd9Sstevel@tonic-gate 5687c478bd9Sstevel@tonic-gate return (dki_info.dki_partition); 5697c478bd9Sstevel@tonic-gate } 5707c478bd9Sstevel@tonic-gate 5717c478bd9Sstevel@tonic-gate /* writes a "protective" MBR */ 5727c478bd9Sstevel@tonic-gate static int 5737c478bd9Sstevel@tonic-gate write_pmbr(int fd, struct dk_gpt *vtoc) 5747c478bd9Sstevel@tonic-gate { 5757c478bd9Sstevel@tonic-gate dk_efi_t dk_ioc; 5767c478bd9Sstevel@tonic-gate struct mboot mb; 5777c478bd9Sstevel@tonic-gate uchar_t *cp; 5787c478bd9Sstevel@tonic-gate diskaddr_t size_in_lba; 57965908c77Syu, larry liu - Sun Microsystems - Beijing China uchar_t *buf; 58065908c77Syu, larry liu - Sun Microsystems - Beijing China int len; 58165908c77Syu, larry liu - Sun Microsystems - Beijing China 58265908c77Syu, larry liu - Sun Microsystems - Beijing China len = (vtoc->efi_lbasize == 0) ? sizeof (mb) : vtoc->efi_lbasize; 58365908c77Syu, larry liu - Sun Microsystems - Beijing China buf = calloc(len, 1); 5847c478bd9Sstevel@tonic-gate 585987e90dcSxl /* 586987e90dcSxl * Preserve any boot code and disk signature if the first block is 587987e90dcSxl * already an MBR. 588987e90dcSxl */ 589987e90dcSxl dk_ioc.dki_lba = 0; 59065908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_length = len; 591987e90dcSxl /* LINTED -- always longlong aligned */ 59265908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)buf; 59365908c77Syu, larry liu - Sun Microsystems - Beijing China if (efi_ioctl(fd, DKIOCGETEFI, &dk_ioc) == -1) { 594*286eb3edSRichard Yao (void) memcpy(&mb, buf, sizeof (mb)); 595987e90dcSxl bzero(&mb, sizeof (mb)); 596987e90dcSxl mb.signature = LE_16(MBB_MAGIC); 59765908c77Syu, larry liu - Sun Microsystems - Beijing China } else { 598*286eb3edSRichard Yao (void) memcpy(&mb, buf, sizeof (mb)); 59965908c77Syu, larry liu - Sun Microsystems - Beijing China if (mb.signature != LE_16(MBB_MAGIC)) { 60065908c77Syu, larry liu - Sun Microsystems - Beijing China bzero(&mb, sizeof (mb)); 60165908c77Syu, larry liu - Sun Microsystems - Beijing China mb.signature = LE_16(MBB_MAGIC); 60265908c77Syu, larry liu - Sun Microsystems - Beijing China } 603987e90dcSxl } 60465908c77Syu, larry liu - Sun Microsystems - Beijing China 6057c478bd9Sstevel@tonic-gate bzero(&mb.parts, sizeof (mb.parts)); 6067c478bd9Sstevel@tonic-gate cp = (uchar_t *)&mb.parts[0]; 6077c478bd9Sstevel@tonic-gate /* bootable or not */ 6087c478bd9Sstevel@tonic-gate *cp++ = 0; 6097c478bd9Sstevel@tonic-gate /* beginning CHS; 0xffffff if not representable */ 6107c478bd9Sstevel@tonic-gate *cp++ = 0xff; 6117c478bd9Sstevel@tonic-gate *cp++ = 0xff; 6127c478bd9Sstevel@tonic-gate *cp++ = 0xff; 6137c478bd9Sstevel@tonic-gate /* OS type */ 6147c478bd9Sstevel@tonic-gate *cp++ = EFI_PMBR; 6157c478bd9Sstevel@tonic-gate /* ending CHS; 0xffffff if not representable */ 6167c478bd9Sstevel@tonic-gate *cp++ = 0xff; 6177c478bd9Sstevel@tonic-gate *cp++ = 0xff; 6187c478bd9Sstevel@tonic-gate *cp++ = 0xff; 6197c478bd9Sstevel@tonic-gate /* starting LBA: 1 (little endian format) by EFI definition */ 6207c478bd9Sstevel@tonic-gate *cp++ = 0x01; 6217c478bd9Sstevel@tonic-gate *cp++ = 0x00; 6227c478bd9Sstevel@tonic-gate *cp++ = 0x00; 6237c478bd9Sstevel@tonic-gate *cp++ = 0x00; 6247c478bd9Sstevel@tonic-gate /* ending LBA: last block on the disk (little endian format) */ 6257c478bd9Sstevel@tonic-gate size_in_lba = vtoc->efi_last_lba; 6267c478bd9Sstevel@tonic-gate if (size_in_lba < 0xffffffff) { 6277c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0x000000ff); 6287c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0x0000ff00) >> 8; 6297c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0x00ff0000) >> 16; 6307c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0xff000000) >> 24; 6317c478bd9Sstevel@tonic-gate } else { 6327c478bd9Sstevel@tonic-gate *cp++ = 0xff; 6337c478bd9Sstevel@tonic-gate *cp++ = 0xff; 6347c478bd9Sstevel@tonic-gate *cp++ = 0xff; 6357c478bd9Sstevel@tonic-gate *cp++ = 0xff; 6367c478bd9Sstevel@tonic-gate } 63765908c77Syu, larry liu - Sun Microsystems - Beijing China 638*286eb3edSRichard Yao (void) memcpy(buf, &mb, sizeof (mb)); 6397c478bd9Sstevel@tonic-gate /* LINTED -- always longlong aligned */ 64065908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)buf; 6417c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = 0; 64265908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_length = len; 6437c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 64465908c77Syu, larry liu - Sun Microsystems - Beijing China free(buf); 6457c478bd9Sstevel@tonic-gate switch (errno) { 6467c478bd9Sstevel@tonic-gate case EIO: 6477c478bd9Sstevel@tonic-gate return (VT_EIO); 6487c478bd9Sstevel@tonic-gate case EINVAL: 6497c478bd9Sstevel@tonic-gate return (VT_EINVAL); 6507c478bd9Sstevel@tonic-gate default: 6517c478bd9Sstevel@tonic-gate return (VT_ERROR); 6527c478bd9Sstevel@tonic-gate } 6537c478bd9Sstevel@tonic-gate } 65465908c77Syu, larry liu - Sun Microsystems - Beijing China free(buf); 6557c478bd9Sstevel@tonic-gate return (0); 6567c478bd9Sstevel@tonic-gate } 6577c478bd9Sstevel@tonic-gate 6587c478bd9Sstevel@tonic-gate /* make sure the user specified something reasonable */ 6597c478bd9Sstevel@tonic-gate static int 6607c478bd9Sstevel@tonic-gate check_input(struct dk_gpt *vtoc) 6617c478bd9Sstevel@tonic-gate { 6627c478bd9Sstevel@tonic-gate int resv_part = -1; 6637c478bd9Sstevel@tonic-gate int i, j; 6647c478bd9Sstevel@tonic-gate diskaddr_t istart, jstart, isize, jsize, endsect; 6657c478bd9Sstevel@tonic-gate 6667c478bd9Sstevel@tonic-gate /* 6677c478bd9Sstevel@tonic-gate * Sanity-check the input (make sure no partitions overlap) 6687c478bd9Sstevel@tonic-gate */ 6697c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 6707c478bd9Sstevel@tonic-gate /* It can't be unassigned and have an actual size */ 6717c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_tag == V_UNASSIGNED) && 6727c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_size != 0)) { 6737c478bd9Sstevel@tonic-gate if (efi_debug) { 6747c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 6757c478bd9Sstevel@tonic-gate "partition %d is \"unassigned\" but has a size of %llu", 6767c478bd9Sstevel@tonic-gate i, 6777c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size); 6787c478bd9Sstevel@tonic-gate } 6797c478bd9Sstevel@tonic-gate return (VT_EINVAL); 6807c478bd9Sstevel@tonic-gate } 6817c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) { 682f2be5148Sszhou if (uuid_is_null((uchar_t *)&vtoc->efi_parts[i].p_guid)) 683f2be5148Sszhou continue; 684f2be5148Sszhou /* we have encountered an unknown uuid */ 685f2be5148Sszhou vtoc->efi_parts[i].p_tag = 0xff; 6867c478bd9Sstevel@tonic-gate } 6877c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_RESERVED) { 6887c478bd9Sstevel@tonic-gate if (resv_part != -1) { 6897c478bd9Sstevel@tonic-gate if (efi_debug) { 690af007057Syl (void) fprintf(stderr, 6917c478bd9Sstevel@tonic-gate "found duplicate reserved partition at %d\n", 692af007057Syl i); 6937c478bd9Sstevel@tonic-gate } 6947c478bd9Sstevel@tonic-gate return (VT_EINVAL); 6957c478bd9Sstevel@tonic-gate } 6967c478bd9Sstevel@tonic-gate resv_part = i; 6977c478bd9Sstevel@tonic-gate } 6987c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start < vtoc->efi_first_u_lba) || 6997c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start > vtoc->efi_last_u_lba)) { 7007c478bd9Sstevel@tonic-gate if (efi_debug) { 7017c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 7027c478bd9Sstevel@tonic-gate "Partition %d starts at %llu. ", 7037c478bd9Sstevel@tonic-gate i, 7047c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start); 7057c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 7067c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 7077c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 7087c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 7097c478bd9Sstevel@tonic-gate } 7107c478bd9Sstevel@tonic-gate return (VT_EINVAL); 7117c478bd9Sstevel@tonic-gate } 7127c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start + 7137c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size < 7147c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba) || 7157c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start + 7167c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size > 7177c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba + 1)) { 7187c478bd9Sstevel@tonic-gate if (efi_debug) { 7197c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 7207c478bd9Sstevel@tonic-gate "Partition %d ends at %llu. ", 7217c478bd9Sstevel@tonic-gate i, 7227c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start + 7237c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size); 7247c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 7257c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 7267c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 7277c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 7287c478bd9Sstevel@tonic-gate } 7297c478bd9Sstevel@tonic-gate return (VT_EINVAL); 7307c478bd9Sstevel@tonic-gate } 7317c478bd9Sstevel@tonic-gate 7327c478bd9Sstevel@tonic-gate for (j = 0; j < vtoc->efi_nparts; j++) { 7337c478bd9Sstevel@tonic-gate isize = vtoc->efi_parts[i].p_size; 7347c478bd9Sstevel@tonic-gate jsize = vtoc->efi_parts[j].p_size; 7357c478bd9Sstevel@tonic-gate istart = vtoc->efi_parts[i].p_start; 7367c478bd9Sstevel@tonic-gate jstart = vtoc->efi_parts[j].p_start; 7377c478bd9Sstevel@tonic-gate if ((i != j) && (isize != 0) && (jsize != 0)) { 7387c478bd9Sstevel@tonic-gate endsect = jstart + jsize -1; 7397c478bd9Sstevel@tonic-gate if ((jstart <= istart) && 7407c478bd9Sstevel@tonic-gate (istart <= endsect)) { 7417c478bd9Sstevel@tonic-gate if (efi_debug) { 7427c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 7437c478bd9Sstevel@tonic-gate "Partition %d overlaps partition %d.", 7447c478bd9Sstevel@tonic-gate i, j); 745af007057Syl } 746af007057Syl return (VT_EINVAL); 7477c478bd9Sstevel@tonic-gate } 7487c478bd9Sstevel@tonic-gate } 7497c478bd9Sstevel@tonic-gate } 7507c478bd9Sstevel@tonic-gate } 7517c478bd9Sstevel@tonic-gate /* just a warning for now */ 7527c478bd9Sstevel@tonic-gate if ((resv_part == -1) && efi_debug) { 7537c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 754af007057Syl "no reserved partition found\n"); 7557c478bd9Sstevel@tonic-gate } 7567c478bd9Sstevel@tonic-gate return (0); 7577c478bd9Sstevel@tonic-gate } 7587c478bd9Sstevel@tonic-gate 759af007057Syl /* 760af007057Syl * add all the unallocated space to the current label 761af007057Syl */ 762af007057Syl int 763af007057Syl efi_use_whole_disk(int fd) 764af007057Syl { 765af007057Syl struct dk_gpt *efi_label; 766af007057Syl int rval; 767af007057Syl int i; 768af007057Syl uint_t phy_last_slice = 0; 769af007057Syl diskaddr_t pl_start = 0; 770af007057Syl diskaddr_t pl_size; 771af007057Syl 772af007057Syl rval = efi_alloc_and_read(fd, &efi_label); 773af007057Syl if (rval < 0) { 774af007057Syl return (rval); 775af007057Syl } 776af007057Syl 777af007057Syl /* find the last physically non-zero partition */ 778af007057Syl for (i = 0; i < efi_label->efi_nparts - 2; i ++) { 779af007057Syl if (pl_start < efi_label->efi_parts[i].p_start) { 780af007057Syl pl_start = efi_label->efi_parts[i].p_start; 781af007057Syl phy_last_slice = i; 782af007057Syl } 783af007057Syl } 784af007057Syl pl_size = efi_label->efi_parts[phy_last_slice].p_size; 785af007057Syl 786af007057Syl /* 787af007057Syl * If alter_lba is 1, we are using the backup label. 788af007057Syl * Since we can locate the backup label by disk capacity, 789af007057Syl * there must be no unallocated space. 790af007057Syl */ 791af007057Syl if ((efi_label->efi_altern_lba == 1) || (efi_label->efi_altern_lba 792af007057Syl >= efi_label->efi_last_lba)) { 793af007057Syl if (efi_debug) { 794af007057Syl (void) fprintf(stderr, 795af007057Syl "efi_use_whole_disk: requested space not found\n"); 796af007057Syl } 797af007057Syl efi_free(efi_label); 798af007057Syl return (VT_ENOSPC); 799af007057Syl } 800af007057Syl 801af007057Syl /* 802af007057Syl * If there is space between the last physically non-zero partition 803af007057Syl * and the reserved partition, just add the unallocated space to this 804af007057Syl * area. Otherwise, the unallocated space is added to the last 805af007057Syl * physically non-zero partition. 806af007057Syl */ 807af007057Syl if (pl_start + pl_size - 1 == efi_label->efi_last_u_lba - 808af007057Syl EFI_MIN_RESV_SIZE) { 809af007057Syl efi_label->efi_parts[phy_last_slice].p_size += 810af007057Syl efi_label->efi_last_lba - efi_label->efi_altern_lba; 811af007057Syl } 812af007057Syl 813af007057Syl /* 814af007057Syl * Move the reserved partition. There is currently no data in 815af007057Syl * here except fabricated devids (which get generated via 816af007057Syl * efi_write()). So there is no need to copy data. 817af007057Syl */ 818af007057Syl efi_label->efi_parts[efi_label->efi_nparts - 1].p_start += 819af007057Syl efi_label->efi_last_lba - efi_label->efi_altern_lba; 820af007057Syl efi_label->efi_last_u_lba += efi_label->efi_last_lba 821af007057Syl - efi_label->efi_altern_lba; 822af007057Syl 823af007057Syl rval = efi_write(fd, efi_label); 824af007057Syl if (rval < 0) { 825af007057Syl if (efi_debug) { 826af007057Syl (void) fprintf(stderr, 827af007057Syl "efi_use_whole_disk:fail to write label, rval=%d\n", 828af007057Syl rval); 829af007057Syl } 830af007057Syl efi_free(efi_label); 831af007057Syl return (rval); 832af007057Syl } 833af007057Syl 834af007057Syl efi_free(efi_label); 835af007057Syl return (0); 836af007057Syl } 837af007057Syl 838af007057Syl 8397c478bd9Sstevel@tonic-gate /* 8407c478bd9Sstevel@tonic-gate * write EFI label and backup label 8417c478bd9Sstevel@tonic-gate */ 8427c478bd9Sstevel@tonic-gate int 8437c478bd9Sstevel@tonic-gate efi_write(int fd, struct dk_gpt *vtoc) 8447c478bd9Sstevel@tonic-gate { 8457c478bd9Sstevel@tonic-gate dk_efi_t dk_ioc; 8467c478bd9Sstevel@tonic-gate efi_gpt_t *efi; 8477c478bd9Sstevel@tonic-gate efi_gpe_t *efi_parts; 8487c478bd9Sstevel@tonic-gate int i, j; 8497c478bd9Sstevel@tonic-gate struct dk_cinfo dki_info; 8507c478bd9Sstevel@tonic-gate int md_flag = 0; 85186bbaf93Scg int nblocks; 85286bbaf93Scg diskaddr_t lba_backup_gpt_hdr; 8537c478bd9Sstevel@tonic-gate 8547c478bd9Sstevel@tonic-gate if (ioctl(fd, DKIOCINFO, (caddr_t)&dki_info) == -1) { 8557c478bd9Sstevel@tonic-gate if (efi_debug) 8567c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "DKIOCINFO errno 0x%x\n", errno); 8577c478bd9Sstevel@tonic-gate switch (errno) { 8587c478bd9Sstevel@tonic-gate case EIO: 8597c478bd9Sstevel@tonic-gate return (VT_EIO); 8607c478bd9Sstevel@tonic-gate case EINVAL: 8617c478bd9Sstevel@tonic-gate return (VT_EINVAL); 8627c478bd9Sstevel@tonic-gate default: 8637c478bd9Sstevel@tonic-gate return (VT_ERROR); 8647c478bd9Sstevel@tonic-gate } 8657c478bd9Sstevel@tonic-gate } 8667c478bd9Sstevel@tonic-gate 8677c478bd9Sstevel@tonic-gate /* check if we are dealing wih a metadevice */ 8687c478bd9Sstevel@tonic-gate if ((strncmp(dki_info.dki_cname, "pseudo", 7) == 0) && 8697c478bd9Sstevel@tonic-gate (strncmp(dki_info.dki_dname, "md", 3) == 0)) { 8707c478bd9Sstevel@tonic-gate md_flag = 1; 8717c478bd9Sstevel@tonic-gate } 8727c478bd9Sstevel@tonic-gate 8737c478bd9Sstevel@tonic-gate if (check_input(vtoc)) { 8747c478bd9Sstevel@tonic-gate /* 8757c478bd9Sstevel@tonic-gate * not valid; if it's a metadevice just pass it down 8767c478bd9Sstevel@tonic-gate * because SVM will do its own checking 8777c478bd9Sstevel@tonic-gate */ 8787c478bd9Sstevel@tonic-gate if (md_flag == 0) { 8797c478bd9Sstevel@tonic-gate return (VT_EINVAL); 8807c478bd9Sstevel@tonic-gate } 8817c478bd9Sstevel@tonic-gate } 8827c478bd9Sstevel@tonic-gate 8837c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = 1; 8847c478bd9Sstevel@tonic-gate if (NBLOCKS(vtoc->efi_nparts, vtoc->efi_lbasize) < 34) { 8857c478bd9Sstevel@tonic-gate dk_ioc.dki_length = EFI_MIN_ARRAY_SIZE + vtoc->efi_lbasize; 8867c478bd9Sstevel@tonic-gate } else { 8877c478bd9Sstevel@tonic-gate dk_ioc.dki_length = NBLOCKS(vtoc->efi_nparts, 888af007057Syl vtoc->efi_lbasize) * 889af007057Syl vtoc->efi_lbasize; 8907c478bd9Sstevel@tonic-gate } 8917c478bd9Sstevel@tonic-gate 89286bbaf93Scg /* 89386bbaf93Scg * the number of blocks occupied by GUID partition entry array 89486bbaf93Scg */ 89586bbaf93Scg nblocks = dk_ioc.dki_length / vtoc->efi_lbasize - 1; 89686bbaf93Scg 89786bbaf93Scg /* 89886bbaf93Scg * Backup GPT header is located on the block after GUID 89986bbaf93Scg * partition entry array. Here, we calculate the address 90086bbaf93Scg * for backup GPT header. 90186bbaf93Scg */ 90286bbaf93Scg lba_backup_gpt_hdr = vtoc->efi_last_u_lba + 1 + nblocks; 9037c478bd9Sstevel@tonic-gate if ((dk_ioc.dki_data = calloc(dk_ioc.dki_length, 1)) == NULL) 9047c478bd9Sstevel@tonic-gate return (VT_ERROR); 9057c478bd9Sstevel@tonic-gate 9067c478bd9Sstevel@tonic-gate efi = dk_ioc.dki_data; 9077c478bd9Sstevel@tonic-gate 9087c478bd9Sstevel@tonic-gate /* stuff user's input into EFI struct */ 9097c478bd9Sstevel@tonic-gate efi->efi_gpt_Signature = LE_64(EFI_SIGNATURE); 9107c478bd9Sstevel@tonic-gate efi->efi_gpt_Revision = LE_32(vtoc->efi_version); /* 0x02000100 */ 9117c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderSize = LE_32(sizeof (struct efi_gpt)); 9127c478bd9Sstevel@tonic-gate efi->efi_gpt_Reserved1 = 0; 9137c478bd9Sstevel@tonic-gate efi->efi_gpt_MyLBA = LE_64(1ULL); 91486bbaf93Scg efi->efi_gpt_AlternateLBA = LE_64(lba_backup_gpt_hdr); 9157c478bd9Sstevel@tonic-gate efi->efi_gpt_FirstUsableLBA = LE_64(vtoc->efi_first_u_lba); 9167c478bd9Sstevel@tonic-gate efi->efi_gpt_LastUsableLBA = LE_64(vtoc->efi_last_u_lba); 9177c478bd9Sstevel@tonic-gate efi->efi_gpt_PartitionEntryLBA = LE_64(2ULL); 9187c478bd9Sstevel@tonic-gate efi->efi_gpt_NumberOfPartitionEntries = LE_32(vtoc->efi_nparts); 9197c478bd9Sstevel@tonic-gate efi->efi_gpt_SizeOfPartitionEntry = LE_32(sizeof (struct efi_gpe)); 9207c478bd9Sstevel@tonic-gate UUID_LE_CONVERT(efi->efi_gpt_DiskGUID, vtoc->efi_disk_uguid); 9217c478bd9Sstevel@tonic-gate 9227c478bd9Sstevel@tonic-gate /* LINTED -- always longlong aligned */ 92365908c77Syu, larry liu - Sun Microsystems - Beijing China efi_parts = (efi_gpe_t *)((char *)dk_ioc.dki_data + vtoc->efi_lbasize); 9247c478bd9Sstevel@tonic-gate 9257c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 926af007057Syl for (j = 0; 927af007057Syl j < sizeof (conversion_array) / 928af007057Syl sizeof (struct uuid_to_ptag); j++) { 929af007057Syl 930af007057Syl if (vtoc->efi_parts[i].p_tag == j) { 931af007057Syl UUID_LE_CONVERT( 932af007057Syl efi_parts[i].efi_gpe_PartitionTypeGUID, 933af007057Syl conversion_array[j].uuid); 934af007057Syl break; 935af007057Syl } 936af007057Syl } 937af007057Syl 938af007057Syl if (j == sizeof (conversion_array) / 939af007057Syl sizeof (struct uuid_to_ptag)) { 940af007057Syl /* 941af007057Syl * If we didn't have a matching uuid match, bail here. 942af007057Syl * Don't write a label with unknown uuid. 943af007057Syl */ 944af007057Syl if (efi_debug) { 945af007057Syl (void) fprintf(stderr, 946af007057Syl "Unknown uuid for p_tag %d\n", 947af007057Syl vtoc->efi_parts[i].p_tag); 948af007057Syl } 949af007057Syl return (VT_EINVAL); 950af007057Syl } 951af007057Syl 952af007057Syl efi_parts[i].efi_gpe_StartingLBA = 953af007057Syl LE_64(vtoc->efi_parts[i].p_start); 954af007057Syl efi_parts[i].efi_gpe_EndingLBA = 955af007057Syl LE_64(vtoc->efi_parts[i].p_start + 956af007057Syl vtoc->efi_parts[i].p_size - 1); 957af007057Syl efi_parts[i].efi_gpe_Attributes.PartitionAttrs = 9587c478bd9Sstevel@tonic-gate LE_16(vtoc->efi_parts[i].p_flag); 959af007057Syl for (j = 0; j < EFI_PART_NAME_LEN; j++) { 960af007057Syl efi_parts[i].efi_gpe_PartitionName[j] = 961af007057Syl LE_16((ushort_t)vtoc->efi_parts[i].p_name[j]); 962af007057Syl } 963af007057Syl if ((vtoc->efi_parts[i].p_tag != V_UNASSIGNED) && 964af007057Syl uuid_is_null((uchar_t *)&vtoc->efi_parts[i].p_uguid)) { 965af007057Syl (void) uuid_generate((uchar_t *) 966af007057Syl &vtoc->efi_parts[i].p_uguid); 967af007057Syl } 968af007057Syl bcopy(&vtoc->efi_parts[i].p_uguid, 969af007057Syl &efi_parts[i].efi_gpe_UniquePartitionGUID, 970af007057Syl sizeof (uuid_t)); 9717c478bd9Sstevel@tonic-gate } 9727c478bd9Sstevel@tonic-gate efi->efi_gpt_PartitionEntryArrayCRC32 = 9737c478bd9Sstevel@tonic-gate LE_32(efi_crc32((unsigned char *)efi_parts, 9747c478bd9Sstevel@tonic-gate vtoc->efi_nparts * (int)sizeof (struct efi_gpe))); 9757c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 9767c478bd9Sstevel@tonic-gate LE_32(efi_crc32((unsigned char *)efi, sizeof (struct efi_gpt))); 9777c478bd9Sstevel@tonic-gate 9787c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 9797c478bd9Sstevel@tonic-gate free(dk_ioc.dki_data); 9807c478bd9Sstevel@tonic-gate switch (errno) { 9817c478bd9Sstevel@tonic-gate case EIO: 9827c478bd9Sstevel@tonic-gate return (VT_EIO); 9837c478bd9Sstevel@tonic-gate case EINVAL: 9847c478bd9Sstevel@tonic-gate return (VT_EINVAL); 9857c478bd9Sstevel@tonic-gate default: 9867c478bd9Sstevel@tonic-gate return (VT_ERROR); 9877c478bd9Sstevel@tonic-gate } 9887c478bd9Sstevel@tonic-gate } 9897c478bd9Sstevel@tonic-gate /* if it's a metadevice we're done */ 9907c478bd9Sstevel@tonic-gate if (md_flag) { 9917c478bd9Sstevel@tonic-gate free(dk_ioc.dki_data); 9927c478bd9Sstevel@tonic-gate return (0); 9937c478bd9Sstevel@tonic-gate } 99465908c77Syu, larry liu - Sun Microsystems - Beijing China 9957c478bd9Sstevel@tonic-gate /* write backup partition array */ 9967c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = vtoc->efi_last_u_lba + 1; 9977c478bd9Sstevel@tonic-gate dk_ioc.dki_length -= vtoc->efi_lbasize; 99865908c77Syu, larry liu - Sun Microsystems - Beijing China /* LINTED */ 99965908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data + 100065908c77Syu, larry liu - Sun Microsystems - Beijing China vtoc->efi_lbasize); 100165908c77Syu, larry liu - Sun Microsystems - Beijing China 10027c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 10037c478bd9Sstevel@tonic-gate /* 10047c478bd9Sstevel@tonic-gate * we wrote the primary label okay, so don't fail 10057c478bd9Sstevel@tonic-gate */ 10067c478bd9Sstevel@tonic-gate if (efi_debug) { 10077c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10087c478bd9Sstevel@tonic-gate "write of backup partitions to block %llu " 10097c478bd9Sstevel@tonic-gate "failed, errno %d\n", 10107c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba + 1, 10117c478bd9Sstevel@tonic-gate errno); 10127c478bd9Sstevel@tonic-gate } 10137c478bd9Sstevel@tonic-gate } 10147c478bd9Sstevel@tonic-gate /* 10157c478bd9Sstevel@tonic-gate * now swap MyLBA and AlternateLBA fields and write backup 10167c478bd9Sstevel@tonic-gate * partition table header 10177c478bd9Sstevel@tonic-gate */ 101886bbaf93Scg dk_ioc.dki_lba = lba_backup_gpt_hdr; 10197c478bd9Sstevel@tonic-gate dk_ioc.dki_length = vtoc->efi_lbasize; 102065908c77Syu, larry liu - Sun Microsystems - Beijing China /* LINTED */ 102165908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data - 102265908c77Syu, larry liu - Sun Microsystems - Beijing China vtoc->efi_lbasize); 10237c478bd9Sstevel@tonic-gate efi->efi_gpt_AlternateLBA = LE_64(1ULL); 102486bbaf93Scg efi->efi_gpt_MyLBA = LE_64(lba_backup_gpt_hdr); 10257c478bd9Sstevel@tonic-gate efi->efi_gpt_PartitionEntryLBA = LE_64(vtoc->efi_last_u_lba + 1); 10267c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 0; 10277c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 10287c478bd9Sstevel@tonic-gate LE_32(efi_crc32((unsigned char *)dk_ioc.dki_data, 10297c478bd9Sstevel@tonic-gate sizeof (struct efi_gpt))); 10307c478bd9Sstevel@tonic-gate 10317c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 10327c478bd9Sstevel@tonic-gate if (efi_debug) { 10337c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10347c478bd9Sstevel@tonic-gate "write of backup header to block %llu failed, " 10357c478bd9Sstevel@tonic-gate "errno %d\n", 103686bbaf93Scg lba_backup_gpt_hdr, 10377c478bd9Sstevel@tonic-gate errno); 10387c478bd9Sstevel@tonic-gate } 10397c478bd9Sstevel@tonic-gate } 10407c478bd9Sstevel@tonic-gate /* write the PMBR */ 10417c478bd9Sstevel@tonic-gate (void) write_pmbr(fd, vtoc); 10427c478bd9Sstevel@tonic-gate free(dk_ioc.dki_data); 10437c478bd9Sstevel@tonic-gate return (0); 10447c478bd9Sstevel@tonic-gate } 10457c478bd9Sstevel@tonic-gate 10467c478bd9Sstevel@tonic-gate void 10477c478bd9Sstevel@tonic-gate efi_free(struct dk_gpt *ptr) 10487c478bd9Sstevel@tonic-gate { 10497c478bd9Sstevel@tonic-gate free(ptr); 10507c478bd9Sstevel@tonic-gate } 10517c478bd9Sstevel@tonic-gate 10527c478bd9Sstevel@tonic-gate /* 10537c478bd9Sstevel@tonic-gate * Input: File descriptor 1054342440ecSPrasad Singamsetty * Output: 1 if disk has an EFI label, or > 2TB with no VTOC or legacy MBR. 1055342440ecSPrasad Singamsetty * Otherwise 0. 10567c478bd9Sstevel@tonic-gate */ 10577c478bd9Sstevel@tonic-gate int 10587c478bd9Sstevel@tonic-gate efi_type(int fd) 10597c478bd9Sstevel@tonic-gate { 10607c478bd9Sstevel@tonic-gate struct vtoc vtoc; 1061342440ecSPrasad Singamsetty struct extvtoc extvtoc; 10627c478bd9Sstevel@tonic-gate 1063342440ecSPrasad Singamsetty if (ioctl(fd, DKIOCGEXTVTOC, &extvtoc) == -1) { 1064342440ecSPrasad Singamsetty if (errno == ENOTSUP) 10657c478bd9Sstevel@tonic-gate return (1); 1066342440ecSPrasad Singamsetty else if (errno == ENOTTY) { 1067342440ecSPrasad Singamsetty if (ioctl(fd, DKIOCGVTOC, &vtoc) == -1) 1068342440ecSPrasad Singamsetty if (errno == ENOTSUP) 1069342440ecSPrasad Singamsetty return (1); 10707c478bd9Sstevel@tonic-gate } 10717c478bd9Sstevel@tonic-gate } 10727c478bd9Sstevel@tonic-gate return (0); 10737c478bd9Sstevel@tonic-gate } 10747c478bd9Sstevel@tonic-gate 10757c478bd9Sstevel@tonic-gate void 10767c478bd9Sstevel@tonic-gate efi_err_check(struct dk_gpt *vtoc) 10777c478bd9Sstevel@tonic-gate { 10787c478bd9Sstevel@tonic-gate int resv_part = -1; 10797c478bd9Sstevel@tonic-gate int i, j; 10807c478bd9Sstevel@tonic-gate diskaddr_t istart, jstart, isize, jsize, endsect; 10817c478bd9Sstevel@tonic-gate int overlap = 0; 10827c478bd9Sstevel@tonic-gate 10837c478bd9Sstevel@tonic-gate /* 10847c478bd9Sstevel@tonic-gate * make sure no partitions overlap 10857c478bd9Sstevel@tonic-gate */ 10867c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 10877c478bd9Sstevel@tonic-gate /* It can't be unassigned and have an actual size */ 10887c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_tag == V_UNASSIGNED) && 10897c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_size != 0)) { 10907c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10917c478bd9Sstevel@tonic-gate "partition %d is \"unassigned\" but has a size " 10927c478bd9Sstevel@tonic-gate "of %llu\n", i, vtoc->efi_parts[i].p_size); 10937c478bd9Sstevel@tonic-gate } 10947c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) { 10957c478bd9Sstevel@tonic-gate continue; 10967c478bd9Sstevel@tonic-gate } 10977c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_RESERVED) { 10987c478bd9Sstevel@tonic-gate if (resv_part != -1) { 10997c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11007c478bd9Sstevel@tonic-gate "found duplicate reserved partition at " 11017c478bd9Sstevel@tonic-gate "%d\n", i); 11027c478bd9Sstevel@tonic-gate } 11037c478bd9Sstevel@tonic-gate resv_part = i; 11047c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_size != EFI_MIN_RESV_SIZE) 11057c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11067c478bd9Sstevel@tonic-gate "Warning: reserved partition size must " 11077c478bd9Sstevel@tonic-gate "be %d sectors\n", EFI_MIN_RESV_SIZE); 11087c478bd9Sstevel@tonic-gate } 11097c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start < vtoc->efi_first_u_lba) || 11107c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start > vtoc->efi_last_u_lba)) { 11117c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11127c478bd9Sstevel@tonic-gate "Partition %d starts at %llu\n", 11137c478bd9Sstevel@tonic-gate i, 11147c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start); 11157c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11167c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 11177c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 11187c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 11197c478bd9Sstevel@tonic-gate } 11207c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start + 11217c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size < 11227c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba) || 11237c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start + 11247c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size > 11257c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba + 1)) { 11267c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11277c478bd9Sstevel@tonic-gate "Partition %d ends at %llu\n", 11287c478bd9Sstevel@tonic-gate i, 11297c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start + 11307c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size); 11317c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11327c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 11337c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 11347c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 11357c478bd9Sstevel@tonic-gate } 11367c478bd9Sstevel@tonic-gate 11377c478bd9Sstevel@tonic-gate for (j = 0; j < vtoc->efi_nparts; j++) { 11387c478bd9Sstevel@tonic-gate isize = vtoc->efi_parts[i].p_size; 11397c478bd9Sstevel@tonic-gate jsize = vtoc->efi_parts[j].p_size; 11407c478bd9Sstevel@tonic-gate istart = vtoc->efi_parts[i].p_start; 11417c478bd9Sstevel@tonic-gate jstart = vtoc->efi_parts[j].p_start; 11427c478bd9Sstevel@tonic-gate if ((i != j) && (isize != 0) && (jsize != 0)) { 11437c478bd9Sstevel@tonic-gate endsect = jstart + jsize -1; 11447c478bd9Sstevel@tonic-gate if ((jstart <= istart) && 11457c478bd9Sstevel@tonic-gate (istart <= endsect)) { 11467c478bd9Sstevel@tonic-gate if (!overlap) { 11477c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11487c478bd9Sstevel@tonic-gate "label error: EFI Labels do not " 11497c478bd9Sstevel@tonic-gate "support overlapping partitions\n"); 11507c478bd9Sstevel@tonic-gate } 11517c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11527c478bd9Sstevel@tonic-gate "Partition %d overlaps partition " 11537c478bd9Sstevel@tonic-gate "%d.\n", i, j); 11547c478bd9Sstevel@tonic-gate overlap = 1; 11557c478bd9Sstevel@tonic-gate } 11567c478bd9Sstevel@tonic-gate } 11577c478bd9Sstevel@tonic-gate } 11587c478bd9Sstevel@tonic-gate } 11597c478bd9Sstevel@tonic-gate /* make sure there is a reserved partition */ 11607c478bd9Sstevel@tonic-gate if (resv_part == -1) { 11617c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 1162af007057Syl "no reserved partition found\n"); 11637c478bd9Sstevel@tonic-gate } 11647c478bd9Sstevel@tonic-gate } 11657c478bd9Sstevel@tonic-gate 11667c478bd9Sstevel@tonic-gate /* 11677c478bd9Sstevel@tonic-gate * We need to get information necessary to construct a *new* efi 11687c478bd9Sstevel@tonic-gate * label type 11697c478bd9Sstevel@tonic-gate */ 11707c478bd9Sstevel@tonic-gate int 11717c478bd9Sstevel@tonic-gate efi_auto_sense(int fd, struct dk_gpt **vtoc) 11727c478bd9Sstevel@tonic-gate { 11737c478bd9Sstevel@tonic-gate 11747c478bd9Sstevel@tonic-gate int i; 11757c478bd9Sstevel@tonic-gate 11767c478bd9Sstevel@tonic-gate /* 11777c478bd9Sstevel@tonic-gate * Now build the default partition table 11787c478bd9Sstevel@tonic-gate */ 11797c478bd9Sstevel@tonic-gate if (efi_alloc_and_init(fd, EFI_NUMPAR, vtoc) != 0) { 11807c478bd9Sstevel@tonic-gate if (efi_debug) { 11817c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "efi_alloc_and_init failed.\n"); 11827c478bd9Sstevel@tonic-gate } 11837c478bd9Sstevel@tonic-gate return (-1); 11847c478bd9Sstevel@tonic-gate } 11857c478bd9Sstevel@tonic-gate 11867c478bd9Sstevel@tonic-gate for (i = 0; i < min((*vtoc)->efi_nparts, V_NUMPAR); i++) { 11877c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_tag = default_vtoc_map[i].p_tag; 11887c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_flag = default_vtoc_map[i].p_flag; 11897c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_start = 0; 11907c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_size = 0; 11917c478bd9Sstevel@tonic-gate } 11927c478bd9Sstevel@tonic-gate /* 11937c478bd9Sstevel@tonic-gate * Make constants first 11947c478bd9Sstevel@tonic-gate * and variable partitions later 11957c478bd9Sstevel@tonic-gate */ 11967c478bd9Sstevel@tonic-gate 11977c478bd9Sstevel@tonic-gate /* root partition - s0 128 MB */ 11987c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[0].p_start = 34; 11997c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[0].p_size = 262144; 12007c478bd9Sstevel@tonic-gate 12017c478bd9Sstevel@tonic-gate /* partition - s1 128 MB */ 12027c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[1].p_start = 262178; 12037c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[1].p_size = 262144; 12047c478bd9Sstevel@tonic-gate 12057c478bd9Sstevel@tonic-gate /* partition -s2 is NOT the Backup disk */ 12067c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[2].p_tag = V_UNASSIGNED; 12077c478bd9Sstevel@tonic-gate 12087c478bd9Sstevel@tonic-gate /* partition -s6 /usr partition - HOG */ 12097c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[6].p_start = 524322; 12107c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[6].p_size = (*vtoc)->efi_last_u_lba - 524322 12117c478bd9Sstevel@tonic-gate - (1024 * 16); 12127c478bd9Sstevel@tonic-gate 12137c478bd9Sstevel@tonic-gate /* efi reserved partition - s9 16K */ 12147c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[8].p_start = (*vtoc)->efi_last_u_lba - (1024 * 16); 12157c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[8].p_size = (1024 * 16); 12167c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[8].p_tag = V_RESERVED; 12177c478bd9Sstevel@tonic-gate return (0); 12187c478bd9Sstevel@tonic-gate } 1219