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> 26*7e934d3aSAndy Fiddaman * Copyright 2018 OmniOS Community Edition (OmniOSce) Association. 277c478bd9Sstevel@tonic-gate */ 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate #include <stdio.h> 307c478bd9Sstevel@tonic-gate #include <stdlib.h> 317c478bd9Sstevel@tonic-gate #include <errno.h> 327c478bd9Sstevel@tonic-gate #include <strings.h> 337c478bd9Sstevel@tonic-gate #include <unistd.h> 34*7e934d3aSAndy Fiddaman #include <smbios.h> 357c478bd9Sstevel@tonic-gate #include <uuid/uuid.h> 367c478bd9Sstevel@tonic-gate #include <libintl.h> 377c478bd9Sstevel@tonic-gate #include <sys/types.h> 387c478bd9Sstevel@tonic-gate #include <sys/dkio.h> 397c478bd9Sstevel@tonic-gate #include <sys/vtoc.h> 407c478bd9Sstevel@tonic-gate #include <sys/mhd.h> 417c478bd9Sstevel@tonic-gate #include <sys/param.h> 427c478bd9Sstevel@tonic-gate #include <sys/dktp/fdisk.h> 437c478bd9Sstevel@tonic-gate #include <sys/efi_partition.h> 447c478bd9Sstevel@tonic-gate #include <sys/byteorder.h> 457c478bd9Sstevel@tonic-gate #include <sys/ddi.h> 467c478bd9Sstevel@tonic-gate 477c478bd9Sstevel@tonic-gate static struct uuid_to_ptag { 487c478bd9Sstevel@tonic-gate struct uuid uuid; 497c478bd9Sstevel@tonic-gate } conversion_array[] = { 507c478bd9Sstevel@tonic-gate { EFI_UNUSED }, 517c478bd9Sstevel@tonic-gate { EFI_BOOT }, 527c478bd9Sstevel@tonic-gate { EFI_ROOT }, 537c478bd9Sstevel@tonic-gate { EFI_SWAP }, 547c478bd9Sstevel@tonic-gate { EFI_USR }, 557c478bd9Sstevel@tonic-gate { EFI_BACKUP }, 567c478bd9Sstevel@tonic-gate { 0 }, /* STAND is never used */ 577c478bd9Sstevel@tonic-gate { EFI_VAR }, 587c478bd9Sstevel@tonic-gate { EFI_HOME }, 597c478bd9Sstevel@tonic-gate { EFI_ALTSCTR }, 60bd93c05dSAlexander Eremin { 0 }, /* CACHE is never used */ 617c478bd9Sstevel@tonic-gate { EFI_RESERVED }, 627c478bd9Sstevel@tonic-gate { EFI_SYSTEM }, 637c478bd9Sstevel@tonic-gate { EFI_LEGACY_MBR }, 6480c797c0SSharath M Srinivasan { EFI_SYMC_PUB }, 6580c797c0SSharath M Srinivasan { EFI_SYMC_CDS }, 667c478bd9Sstevel@tonic-gate { EFI_MSFT_RESV }, 677c478bd9Sstevel@tonic-gate { EFI_DELL_BASIC }, 687c478bd9Sstevel@tonic-gate { EFI_DELL_RAID }, 697c478bd9Sstevel@tonic-gate { EFI_DELL_SWAP }, 707c478bd9Sstevel@tonic-gate { EFI_DELL_LVM }, 71f2be5148Sszhou { EFI_DELL_RESV }, 72f2be5148Sszhou { EFI_AAPL_HFS }, 73e21ea675SYuri Pankov { EFI_AAPL_UFS }, 74e088753cSToomas Soome { EFI_BIOS_BOOT }, 75e21ea675SYuri Pankov { EFI_FREEBSD_BOOT }, 76e21ea675SYuri Pankov { EFI_FREEBSD_SWAP }, 77e21ea675SYuri Pankov { EFI_FREEBSD_UFS }, 78e21ea675SYuri Pankov { EFI_FREEBSD_VINUM }, 79e21ea675SYuri Pankov { EFI_FREEBSD_ZFS } 807c478bd9Sstevel@tonic-gate }; 817c478bd9Sstevel@tonic-gate 827c478bd9Sstevel@tonic-gate /* 837c478bd9Sstevel@tonic-gate * Default vtoc information for non-SVr4 partitions 847c478bd9Sstevel@tonic-gate */ 857c478bd9Sstevel@tonic-gate struct dk_map2 default_vtoc_map[NDKMAP] = { 867c478bd9Sstevel@tonic-gate { V_ROOT, 0 }, /* a - 0 */ 877c478bd9Sstevel@tonic-gate { V_SWAP, V_UNMNT }, /* b - 1 */ 887c478bd9Sstevel@tonic-gate { V_BACKUP, V_UNMNT }, /* c - 2 */ 897c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* d - 3 */ 907c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* e - 4 */ 917c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* f - 5 */ 927c478bd9Sstevel@tonic-gate { V_USR, 0 }, /* g - 6 */ 937c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* h - 7 */ 947c478bd9Sstevel@tonic-gate 957c478bd9Sstevel@tonic-gate #if defined(_SUNOS_VTOC_16) 967c478bd9Sstevel@tonic-gate 977c478bd9Sstevel@tonic-gate #if defined(i386) || defined(__amd64) 987c478bd9Sstevel@tonic-gate { V_BOOT, V_UNMNT }, /* i - 8 */ 997c478bd9Sstevel@tonic-gate { V_ALTSCTR, 0 }, /* j - 9 */ 1007c478bd9Sstevel@tonic-gate 1017c478bd9Sstevel@tonic-gate #else 1027c478bd9Sstevel@tonic-gate #error No VTOC format defined. 1037c478bd9Sstevel@tonic-gate #endif /* defined(i386) */ 1047c478bd9Sstevel@tonic-gate 1057c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* k - 10 */ 1067c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* l - 11 */ 1077c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* m - 12 */ 1087c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* n - 13 */ 1097c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* o - 14 */ 1107c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* p - 15 */ 1117c478bd9Sstevel@tonic-gate #endif /* defined(_SUNOS_VTOC_16) */ 1127c478bd9Sstevel@tonic-gate }; 1137c478bd9Sstevel@tonic-gate 1147c478bd9Sstevel@tonic-gate #ifdef DEBUG 1157c478bd9Sstevel@tonic-gate int efi_debug = 1; 1167c478bd9Sstevel@tonic-gate #else 1177c478bd9Sstevel@tonic-gate int efi_debug = 0; 1187c478bd9Sstevel@tonic-gate #endif 1197c478bd9Sstevel@tonic-gate 120*7e934d3aSAndy Fiddaman #define EFI_FIXES_DB "/usr/share/hwdata/efi.fixes" 121*7e934d3aSAndy Fiddaman 1227c478bd9Sstevel@tonic-gate extern unsigned int efi_crc32(const unsigned char *, unsigned int); 1237c478bd9Sstevel@tonic-gate static int efi_read(int, struct dk_gpt *); 1247c478bd9Sstevel@tonic-gate 1257c478bd9Sstevel@tonic-gate static int 1267c478bd9Sstevel@tonic-gate read_disk_info(int fd, diskaddr_t *capacity, uint_t *lbsize) 1277c478bd9Sstevel@tonic-gate { 1287c478bd9Sstevel@tonic-gate struct dk_minfo disk_info; 1297c478bd9Sstevel@tonic-gate 1307c478bd9Sstevel@tonic-gate if ((ioctl(fd, DKIOCGMEDIAINFO, (caddr_t)&disk_info)) == -1) 1317c478bd9Sstevel@tonic-gate return (errno); 1327c478bd9Sstevel@tonic-gate *capacity = disk_info.dki_capacity; 1337c478bd9Sstevel@tonic-gate *lbsize = disk_info.dki_lbsize; 1347c478bd9Sstevel@tonic-gate return (0); 1357c478bd9Sstevel@tonic-gate } 1367c478bd9Sstevel@tonic-gate 1377c478bd9Sstevel@tonic-gate /* 1387c478bd9Sstevel@tonic-gate * the number of blocks the EFI label takes up (round up to nearest 1397c478bd9Sstevel@tonic-gate * block) 1407c478bd9Sstevel@tonic-gate */ 1417c478bd9Sstevel@tonic-gate #define NBLOCKS(p, l) (1 + ((((p) * (int)sizeof (efi_gpe_t)) + \ 1427c478bd9Sstevel@tonic-gate ((l) - 1)) / (l))) 1437c478bd9Sstevel@tonic-gate /* number of partitions -- limited by what we can malloc */ 1447c478bd9Sstevel@tonic-gate #define MAX_PARTS ((4294967295UL - sizeof (struct dk_gpt)) / \ 1457c478bd9Sstevel@tonic-gate sizeof (struct dk_part)) 1467c478bd9Sstevel@tonic-gate 1477c478bd9Sstevel@tonic-gate int 1487c478bd9Sstevel@tonic-gate efi_alloc_and_init(int fd, uint32_t nparts, struct dk_gpt **vtoc) 1497c478bd9Sstevel@tonic-gate { 1507c478bd9Sstevel@tonic-gate diskaddr_t capacity; 1517c478bd9Sstevel@tonic-gate uint_t lbsize; 1527c478bd9Sstevel@tonic-gate uint_t nblocks; 1537c478bd9Sstevel@tonic-gate size_t length; 1547c478bd9Sstevel@tonic-gate struct dk_gpt *vptr; 1557c478bd9Sstevel@tonic-gate struct uuid uuid; 1567c478bd9Sstevel@tonic-gate 1577c478bd9Sstevel@tonic-gate if (read_disk_info(fd, &capacity, &lbsize) != 0) { 1587c478bd9Sstevel@tonic-gate if (efi_debug) 1597c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 1607c478bd9Sstevel@tonic-gate "couldn't read disk information\n"); 1617c478bd9Sstevel@tonic-gate return (-1); 1627c478bd9Sstevel@tonic-gate } 1637c478bd9Sstevel@tonic-gate 1647c478bd9Sstevel@tonic-gate nblocks = NBLOCKS(nparts, lbsize); 1657c478bd9Sstevel@tonic-gate if ((nblocks * lbsize) < EFI_MIN_ARRAY_SIZE + lbsize) { 1667c478bd9Sstevel@tonic-gate /* 16K plus one block for the GPT */ 1677c478bd9Sstevel@tonic-gate nblocks = EFI_MIN_ARRAY_SIZE / lbsize + 1; 1687c478bd9Sstevel@tonic-gate } 1697c478bd9Sstevel@tonic-gate 1707c478bd9Sstevel@tonic-gate if (nparts > MAX_PARTS) { 1717c478bd9Sstevel@tonic-gate if (efi_debug) { 1727c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 1737c478bd9Sstevel@tonic-gate "the maximum number of partitions supported is %lu\n", 1747c478bd9Sstevel@tonic-gate MAX_PARTS); 1757c478bd9Sstevel@tonic-gate } 1767c478bd9Sstevel@tonic-gate return (-1); 1777c478bd9Sstevel@tonic-gate } 1787c478bd9Sstevel@tonic-gate 1797c478bd9Sstevel@tonic-gate length = sizeof (struct dk_gpt) + 1807c478bd9Sstevel@tonic-gate sizeof (struct dk_part) * (nparts - 1); 1817c478bd9Sstevel@tonic-gate 1827c478bd9Sstevel@tonic-gate if ((*vtoc = calloc(length, 1)) == NULL) 1837c478bd9Sstevel@tonic-gate return (-1); 1847c478bd9Sstevel@tonic-gate 1857c478bd9Sstevel@tonic-gate vptr = *vtoc; 1867c478bd9Sstevel@tonic-gate 1877c478bd9Sstevel@tonic-gate vptr->efi_version = EFI_VERSION_CURRENT; 1887c478bd9Sstevel@tonic-gate vptr->efi_lbasize = lbsize; 1897c478bd9Sstevel@tonic-gate vptr->efi_nparts = nparts; 1907c478bd9Sstevel@tonic-gate /* 1917c478bd9Sstevel@tonic-gate * add one block here for the PMBR; on disks with a 512 byte 1927c478bd9Sstevel@tonic-gate * block size and 128 or fewer partitions, efi_first_u_lba 1937c478bd9Sstevel@tonic-gate * should work out to "34" 1947c478bd9Sstevel@tonic-gate */ 1957c478bd9Sstevel@tonic-gate vptr->efi_first_u_lba = nblocks + 1; 1967c478bd9Sstevel@tonic-gate vptr->efi_last_lba = capacity - 1; 197af007057Syl vptr->efi_altern_lba = capacity -1; 1987c478bd9Sstevel@tonic-gate vptr->efi_last_u_lba = vptr->efi_last_lba - nblocks; 19965908c77Syu, larry liu - Sun Microsystems - Beijing China 2007c478bd9Sstevel@tonic-gate (void) uuid_generate((uchar_t *)&uuid); 2017c478bd9Sstevel@tonic-gate UUID_LE_CONVERT(vptr->efi_disk_uguid, uuid); 2027c478bd9Sstevel@tonic-gate return (0); 2037c478bd9Sstevel@tonic-gate } 2047c478bd9Sstevel@tonic-gate 2057c478bd9Sstevel@tonic-gate /* 2067c478bd9Sstevel@tonic-gate * Read EFI - return partition number upon success. 2077c478bd9Sstevel@tonic-gate */ 2087c478bd9Sstevel@tonic-gate int 2097c478bd9Sstevel@tonic-gate efi_alloc_and_read(int fd, struct dk_gpt **vtoc) 2107c478bd9Sstevel@tonic-gate { 2117c478bd9Sstevel@tonic-gate int rval; 2127c478bd9Sstevel@tonic-gate uint32_t nparts; 2137c478bd9Sstevel@tonic-gate int length; 2147c478bd9Sstevel@tonic-gate 2157c478bd9Sstevel@tonic-gate /* figure out the number of entries that would fit into 16K */ 2167c478bd9Sstevel@tonic-gate nparts = EFI_MIN_ARRAY_SIZE / sizeof (efi_gpe_t); 2177c478bd9Sstevel@tonic-gate length = (int) sizeof (struct dk_gpt) + 218af007057Syl (int) sizeof (struct dk_part) * (nparts - 1); 2197c478bd9Sstevel@tonic-gate if ((*vtoc = calloc(length, 1)) == NULL) 2207c478bd9Sstevel@tonic-gate return (VT_ERROR); 2217c478bd9Sstevel@tonic-gate 2227c478bd9Sstevel@tonic-gate (*vtoc)->efi_nparts = nparts; 2237c478bd9Sstevel@tonic-gate rval = efi_read(fd, *vtoc); 2247c478bd9Sstevel@tonic-gate 2257c478bd9Sstevel@tonic-gate if ((rval == VT_EINVAL) && (*vtoc)->efi_nparts > nparts) { 2267c478bd9Sstevel@tonic-gate void *tmp; 2277c478bd9Sstevel@tonic-gate length = (int) sizeof (struct dk_gpt) + 228af007057Syl (int) sizeof (struct dk_part) * 229af007057Syl ((*vtoc)->efi_nparts - 1); 2307c478bd9Sstevel@tonic-gate nparts = (*vtoc)->efi_nparts; 2317c478bd9Sstevel@tonic-gate if ((tmp = realloc(*vtoc, length)) == NULL) { 2327c478bd9Sstevel@tonic-gate free (*vtoc); 2337c478bd9Sstevel@tonic-gate *vtoc = NULL; 2347c478bd9Sstevel@tonic-gate return (VT_ERROR); 2357c478bd9Sstevel@tonic-gate } else { 2367c478bd9Sstevel@tonic-gate *vtoc = tmp; 2377c478bd9Sstevel@tonic-gate rval = efi_read(fd, *vtoc); 2387c478bd9Sstevel@tonic-gate } 2397c478bd9Sstevel@tonic-gate } 2407c478bd9Sstevel@tonic-gate 2417c478bd9Sstevel@tonic-gate if (rval < 0) { 2427c478bd9Sstevel@tonic-gate if (efi_debug) { 2437c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 2447c478bd9Sstevel@tonic-gate "read of EFI table failed, rval=%d\n", rval); 2457c478bd9Sstevel@tonic-gate } 2467c478bd9Sstevel@tonic-gate free (*vtoc); 2477c478bd9Sstevel@tonic-gate *vtoc = NULL; 2487c478bd9Sstevel@tonic-gate } 2497c478bd9Sstevel@tonic-gate 2507c478bd9Sstevel@tonic-gate return (rval); 2517c478bd9Sstevel@tonic-gate } 2527c478bd9Sstevel@tonic-gate 2537c478bd9Sstevel@tonic-gate static int 2547c478bd9Sstevel@tonic-gate efi_ioctl(int fd, int cmd, dk_efi_t *dk_ioc) 2557c478bd9Sstevel@tonic-gate { 2567c478bd9Sstevel@tonic-gate void *data = dk_ioc->dki_data; 2577c478bd9Sstevel@tonic-gate int error; 2587c478bd9Sstevel@tonic-gate 2597c478bd9Sstevel@tonic-gate dk_ioc->dki_data_64 = (uint64_t)(uintptr_t)data; 2607c478bd9Sstevel@tonic-gate error = ioctl(fd, cmd, (void *)dk_ioc); 2617c478bd9Sstevel@tonic-gate dk_ioc->dki_data = data; 2627c478bd9Sstevel@tonic-gate 2637c478bd9Sstevel@tonic-gate return (error); 2647c478bd9Sstevel@tonic-gate } 2657c478bd9Sstevel@tonic-gate 2667c478bd9Sstevel@tonic-gate static int 2677c478bd9Sstevel@tonic-gate check_label(int fd, dk_efi_t *dk_ioc) 2687c478bd9Sstevel@tonic-gate { 2697c478bd9Sstevel@tonic-gate efi_gpt_t *efi; 2707c478bd9Sstevel@tonic-gate uint_t crc; 2717c478bd9Sstevel@tonic-gate 2727c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCGETEFI, dk_ioc) == -1) { 2737c478bd9Sstevel@tonic-gate switch (errno) { 2747c478bd9Sstevel@tonic-gate case EIO: 2757c478bd9Sstevel@tonic-gate return (VT_EIO); 2767c478bd9Sstevel@tonic-gate default: 2777c478bd9Sstevel@tonic-gate return (VT_ERROR); 2787c478bd9Sstevel@tonic-gate } 2797c478bd9Sstevel@tonic-gate } 2807c478bd9Sstevel@tonic-gate efi = dk_ioc->dki_data; 2817c478bd9Sstevel@tonic-gate if (efi->efi_gpt_Signature != LE_64(EFI_SIGNATURE)) { 2827c478bd9Sstevel@tonic-gate if (efi_debug) 2837c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 2847c478bd9Sstevel@tonic-gate "Bad EFI signature: 0x%llx != 0x%llx\n", 2857c478bd9Sstevel@tonic-gate (long long)efi->efi_gpt_Signature, 2867c478bd9Sstevel@tonic-gate (long long)LE_64(EFI_SIGNATURE)); 2877c478bd9Sstevel@tonic-gate return (VT_EINVAL); 2887c478bd9Sstevel@tonic-gate } 2897c478bd9Sstevel@tonic-gate 2907c478bd9Sstevel@tonic-gate /* 2917c478bd9Sstevel@tonic-gate * check CRC of the header; the size of the header should 2927c478bd9Sstevel@tonic-gate * never be larger than one block 2937c478bd9Sstevel@tonic-gate */ 2947c478bd9Sstevel@tonic-gate crc = efi->efi_gpt_HeaderCRC32; 2957c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 0; 2967c478bd9Sstevel@tonic-gate 2977c478bd9Sstevel@tonic-gate if (((len_t)LE_32(efi->efi_gpt_HeaderSize) > dk_ioc->dki_length) || 2987c478bd9Sstevel@tonic-gate crc != LE_32(efi_crc32((unsigned char *)efi, 2997c478bd9Sstevel@tonic-gate LE_32(efi->efi_gpt_HeaderSize)))) { 3007c478bd9Sstevel@tonic-gate if (efi_debug) 3017c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 302af007057Syl "Bad EFI CRC: 0x%x != 0x%x\n", 303af007057Syl crc, 304af007057Syl LE_32(efi_crc32((unsigned char *)efi, 305af007057Syl sizeof (struct efi_gpt)))); 3067c478bd9Sstevel@tonic-gate return (VT_EINVAL); 3077c478bd9Sstevel@tonic-gate } 3087c478bd9Sstevel@tonic-gate 3097c478bd9Sstevel@tonic-gate return (0); 3107c478bd9Sstevel@tonic-gate } 3117c478bd9Sstevel@tonic-gate 3127c478bd9Sstevel@tonic-gate static int 3137c478bd9Sstevel@tonic-gate efi_read(int fd, struct dk_gpt *vtoc) 3147c478bd9Sstevel@tonic-gate { 3157c478bd9Sstevel@tonic-gate int i, j; 3167c478bd9Sstevel@tonic-gate int label_len; 3177c478bd9Sstevel@tonic-gate int rval = 0; 318d84f0041SAlexandre Chartre int vdc_flag = 0; 3197c478bd9Sstevel@tonic-gate struct dk_minfo disk_info; 3207c478bd9Sstevel@tonic-gate dk_efi_t dk_ioc; 3217c478bd9Sstevel@tonic-gate efi_gpt_t *efi; 3227c478bd9Sstevel@tonic-gate efi_gpe_t *efi_parts; 3237c478bd9Sstevel@tonic-gate struct dk_cinfo dki_info; 3247c478bd9Sstevel@tonic-gate uint32_t user_length; 32586bbaf93Scg boolean_t legacy_label = B_FALSE; 3267c478bd9Sstevel@tonic-gate 3277c478bd9Sstevel@tonic-gate /* 3287c478bd9Sstevel@tonic-gate * get the partition number for this file descriptor. 3297c478bd9Sstevel@tonic-gate */ 3307c478bd9Sstevel@tonic-gate if (ioctl(fd, DKIOCINFO, (caddr_t)&dki_info) == -1) { 331af007057Syl if (efi_debug) { 332af007057Syl (void) fprintf(stderr, "DKIOCINFO errno 0x%x\n", errno); 333af007057Syl } 3347c478bd9Sstevel@tonic-gate switch (errno) { 3357c478bd9Sstevel@tonic-gate case EIO: 3367c478bd9Sstevel@tonic-gate return (VT_EIO); 3377c478bd9Sstevel@tonic-gate case EINVAL: 3387c478bd9Sstevel@tonic-gate return (VT_EINVAL); 3397c478bd9Sstevel@tonic-gate default: 3407c478bd9Sstevel@tonic-gate return (VT_ERROR); 3417c478bd9Sstevel@tonic-gate } 3427c478bd9Sstevel@tonic-gate } 3435f10ef69SYuri Pankov 3445f10ef69SYuri Pankov if ((strncmp(dki_info.dki_cname, "vdc", 4) == 0) && 345d84f0041SAlexandre Chartre (strncmp(dki_info.dki_dname, "vdc", 4) == 0)) { 346d84f0041SAlexandre Chartre /* 347d84f0041SAlexandre Chartre * The controller and drive name "vdc" (virtual disk client) 348d84f0041SAlexandre Chartre * indicates a LDoms virtual disk. 349d84f0041SAlexandre Chartre */ 350d84f0041SAlexandre Chartre vdc_flag++; 3517c478bd9Sstevel@tonic-gate } 352d84f0041SAlexandre Chartre 3537c478bd9Sstevel@tonic-gate /* get the LBA size */ 3547c478bd9Sstevel@tonic-gate if (ioctl(fd, DKIOCGMEDIAINFO, (caddr_t)&disk_info) == -1) { 3557c478bd9Sstevel@tonic-gate if (efi_debug) { 3567c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 3577c478bd9Sstevel@tonic-gate "assuming LBA 512 bytes %d\n", 3587c478bd9Sstevel@tonic-gate errno); 3597c478bd9Sstevel@tonic-gate } 3607c478bd9Sstevel@tonic-gate disk_info.dki_lbsize = DEV_BSIZE; 3617c478bd9Sstevel@tonic-gate } 3627c478bd9Sstevel@tonic-gate if (disk_info.dki_lbsize == 0) { 3637c478bd9Sstevel@tonic-gate if (efi_debug) { 3647c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 3657c478bd9Sstevel@tonic-gate "efi_read: assuming LBA 512 bytes\n"); 3667c478bd9Sstevel@tonic-gate } 3677c478bd9Sstevel@tonic-gate disk_info.dki_lbsize = DEV_BSIZE; 3687c478bd9Sstevel@tonic-gate } 3697c478bd9Sstevel@tonic-gate /* 3707c478bd9Sstevel@tonic-gate * Read the EFI GPT to figure out how many partitions we need 3717c478bd9Sstevel@tonic-gate * to deal with. 3727c478bd9Sstevel@tonic-gate */ 3737c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = 1; 3747c478bd9Sstevel@tonic-gate if (NBLOCKS(vtoc->efi_nparts, disk_info.dki_lbsize) < 34) { 3757c478bd9Sstevel@tonic-gate label_len = EFI_MIN_ARRAY_SIZE + disk_info.dki_lbsize; 3767c478bd9Sstevel@tonic-gate } else { 3777c478bd9Sstevel@tonic-gate label_len = vtoc->efi_nparts * (int) sizeof (efi_gpe_t) + 378af007057Syl disk_info.dki_lbsize; 3797c478bd9Sstevel@tonic-gate if (label_len % disk_info.dki_lbsize) { 3807c478bd9Sstevel@tonic-gate /* pad to physical sector size */ 3817c478bd9Sstevel@tonic-gate label_len += disk_info.dki_lbsize; 3827c478bd9Sstevel@tonic-gate label_len &= ~(disk_info.dki_lbsize - 1); 3837c478bd9Sstevel@tonic-gate } 3847c478bd9Sstevel@tonic-gate } 3857c478bd9Sstevel@tonic-gate 3867c478bd9Sstevel@tonic-gate if ((dk_ioc.dki_data = calloc(label_len, 1)) == NULL) 3877c478bd9Sstevel@tonic-gate return (VT_ERROR); 3887c478bd9Sstevel@tonic-gate 389c7e1889fSyl dk_ioc.dki_length = disk_info.dki_lbsize; 3907c478bd9Sstevel@tonic-gate user_length = vtoc->efi_nparts; 3917c478bd9Sstevel@tonic-gate efi = dk_ioc.dki_data; 3925f10ef69SYuri Pankov if ((rval = check_label(fd, &dk_ioc)) == VT_EINVAL) { 39386bbaf93Scg /* 39486bbaf93Scg * No valid label here; try the alternate. Note that here 39586bbaf93Scg * we just read GPT header and save it into dk_ioc.data, 39686bbaf93Scg * Later, we will read GUID partition entry array if we 39786bbaf93Scg * can get valid GPT header. 39886bbaf93Scg */ 39986bbaf93Scg 40086bbaf93Scg /* 40186bbaf93Scg * This is a workaround for legacy systems. In the past, the 40286bbaf93Scg * last sector of SCSI disk was invisible on x86 platform. At 40386bbaf93Scg * that time, backup label was saved on the next to the last 40486bbaf93Scg * sector. It is possible for users to move a disk from previous 40586bbaf93Scg * solaris system to present system. Here, we attempt to search 40686bbaf93Scg * legacy backup EFI label first. 40786bbaf93Scg */ 40886bbaf93Scg dk_ioc.dki_lba = disk_info.dki_capacity - 2; 4097c478bd9Sstevel@tonic-gate dk_ioc.dki_length = disk_info.dki_lbsize; 4104f0dea16Scg rval = check_label(fd, &dk_ioc); 41186bbaf93Scg if (rval == VT_EINVAL) { 4124f0dea16Scg /* 41386bbaf93Scg * we didn't find legacy backup EFI label, try to 41486bbaf93Scg * search backup EFI label in the last block. 4154f0dea16Scg */ 41686bbaf93Scg dk_ioc.dki_lba = disk_info.dki_capacity - 1; 4174f0dea16Scg dk_ioc.dki_length = disk_info.dki_lbsize; 4184f0dea16Scg rval = check_label(fd, &dk_ioc); 41986bbaf93Scg if (rval == 0) { 42086bbaf93Scg legacy_label = B_TRUE; 42186bbaf93Scg if (efi_debug) 42286bbaf93Scg (void) fprintf(stderr, 42386bbaf93Scg "efi_read: primary label corrupt; " 42486bbaf93Scg "using EFI backup label located on" 42586bbaf93Scg " the last block\n"); 4264f0dea16Scg } 42786bbaf93Scg } else { 42886bbaf93Scg if ((efi_debug) && (rval == 0)) 42986bbaf93Scg (void) fprintf(stderr, "efi_read: primary label" 43086bbaf93Scg " corrupt; using legacy EFI backup label " 43186bbaf93Scg " located on the next to last block\n"); 4324f0dea16Scg } 4334f0dea16Scg 4344f0dea16Scg if (rval == 0) { 4357c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = LE_64(efi->efi_gpt_PartitionEntryLBA); 4367c478bd9Sstevel@tonic-gate vtoc->efi_flags |= EFI_GPT_PRIMARY_CORRUPT; 4377c478bd9Sstevel@tonic-gate vtoc->efi_nparts = 4387c478bd9Sstevel@tonic-gate LE_32(efi->efi_gpt_NumberOfPartitionEntries); 4397c478bd9Sstevel@tonic-gate /* 44086bbaf93Scg * Partition tables are between backup GPT header 44186bbaf93Scg * table and ParitionEntryLBA (the starting LBA of 44286bbaf93Scg * the GUID partition entries array). Now that we 44386bbaf93Scg * already got valid GPT header and saved it in 44486bbaf93Scg * dk_ioc.dki_data, we try to get GUID partition 44586bbaf93Scg * entry array here. 4467c478bd9Sstevel@tonic-gate */ 44765908c77Syu, larry liu - Sun Microsystems - Beijing China /* LINTED */ 44865908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data 44965908c77Syu, larry liu - Sun Microsystems - Beijing China + disk_info.dki_lbsize); 45086bbaf93Scg if (legacy_label) 45186bbaf93Scg dk_ioc.dki_length = disk_info.dki_capacity - 1 - 452af007057Syl dk_ioc.dki_lba; 45386bbaf93Scg else 45486bbaf93Scg dk_ioc.dki_length = disk_info.dki_capacity - 2 - 455af007057Syl dk_ioc.dki_lba; 4567c478bd9Sstevel@tonic-gate dk_ioc.dki_length *= disk_info.dki_lbsize; 45786bbaf93Scg if (dk_ioc.dki_length > 45886bbaf93Scg ((len_t)label_len - sizeof (*dk_ioc.dki_data))) { 4597c478bd9Sstevel@tonic-gate rval = VT_EINVAL; 4607c478bd9Sstevel@tonic-gate } else { 46186bbaf93Scg /* 46286bbaf93Scg * read GUID partition entry array 46386bbaf93Scg */ 4647c478bd9Sstevel@tonic-gate rval = efi_ioctl(fd, DKIOCGETEFI, &dk_ioc); 4657c478bd9Sstevel@tonic-gate } 4667c478bd9Sstevel@tonic-gate } 467d84f0041SAlexandre Chartre 468d84f0041SAlexandre Chartre } else if (rval == 0) { 469d84f0041SAlexandre Chartre 470c7e1889fSyl dk_ioc.dki_lba = LE_64(efi->efi_gpt_PartitionEntryLBA); 47165908c77Syu, larry liu - Sun Microsystems - Beijing China /* LINTED */ 47265908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data 47365908c77Syu, larry liu - Sun Microsystems - Beijing China + disk_info.dki_lbsize); 474c7e1889fSyl dk_ioc.dki_length = label_len - disk_info.dki_lbsize; 475c7e1889fSyl rval = efi_ioctl(fd, DKIOCGETEFI, &dk_ioc); 476d84f0041SAlexandre Chartre 477d84f0041SAlexandre Chartre } else if (vdc_flag && rval == VT_ERROR && errno == EINVAL) { 478d84f0041SAlexandre Chartre /* 479d84f0041SAlexandre Chartre * When the device is a LDoms virtual disk, the DKIOCGETEFI 480d84f0041SAlexandre Chartre * ioctl can fail with EINVAL if the virtual disk backend 481d84f0041SAlexandre Chartre * is a ZFS volume serviced by a domain running an old version 482d84f0041SAlexandre Chartre * of Solaris. This is because the DKIOCGETEFI ioctl was 483d84f0041SAlexandre Chartre * initially incorrectly implemented for a ZFS volume and it 484d84f0041SAlexandre Chartre * expected the GPT and GPE to be retrieved with a single ioctl. 485d84f0041SAlexandre Chartre * So we try to read the GPT and the GPE using that old style 486d84f0041SAlexandre Chartre * ioctl. 487d84f0041SAlexandre Chartre */ 488d84f0041SAlexandre Chartre dk_ioc.dki_lba = 1; 489d84f0041SAlexandre Chartre dk_ioc.dki_length = label_len; 490d84f0041SAlexandre Chartre rval = check_label(fd, &dk_ioc); 4917c478bd9Sstevel@tonic-gate } 492d84f0041SAlexandre Chartre 4937c478bd9Sstevel@tonic-gate if (rval < 0) { 4947c478bd9Sstevel@tonic-gate free(efi); 4957c478bd9Sstevel@tonic-gate return (rval); 4967c478bd9Sstevel@tonic-gate } 4977c478bd9Sstevel@tonic-gate 4987c478bd9Sstevel@tonic-gate /* LINTED -- always longlong aligned */ 499c7e1889fSyl efi_parts = (efi_gpe_t *)(((char *)efi) + disk_info.dki_lbsize); 5007c478bd9Sstevel@tonic-gate 5017c478bd9Sstevel@tonic-gate /* 5027c478bd9Sstevel@tonic-gate * Assemble this into a "dk_gpt" struct for easier 5037c478bd9Sstevel@tonic-gate * digestibility by applications. 5047c478bd9Sstevel@tonic-gate */ 5057c478bd9Sstevel@tonic-gate vtoc->efi_version = LE_32(efi->efi_gpt_Revision); 5067c478bd9Sstevel@tonic-gate vtoc->efi_nparts = LE_32(efi->efi_gpt_NumberOfPartitionEntries); 5077c478bd9Sstevel@tonic-gate vtoc->efi_part_size = LE_32(efi->efi_gpt_SizeOfPartitionEntry); 5087c478bd9Sstevel@tonic-gate vtoc->efi_lbasize = disk_info.dki_lbsize; 5097c478bd9Sstevel@tonic-gate vtoc->efi_last_lba = disk_info.dki_capacity - 1; 5107c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba = LE_64(efi->efi_gpt_FirstUsableLBA); 5117c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba = LE_64(efi->efi_gpt_LastUsableLBA); 512af007057Syl vtoc->efi_altern_lba = LE_64(efi->efi_gpt_AlternateLBA); 5137c478bd9Sstevel@tonic-gate UUID_LE_CONVERT(vtoc->efi_disk_uguid, efi->efi_gpt_DiskGUID); 5147c478bd9Sstevel@tonic-gate 5157c478bd9Sstevel@tonic-gate /* 5167c478bd9Sstevel@tonic-gate * If the array the user passed in is too small, set the length 5177c478bd9Sstevel@tonic-gate * to what it needs to be and return 5187c478bd9Sstevel@tonic-gate */ 5197c478bd9Sstevel@tonic-gate if (user_length < vtoc->efi_nparts) { 5207c478bd9Sstevel@tonic-gate return (VT_EINVAL); 5217c478bd9Sstevel@tonic-gate } 5227c478bd9Sstevel@tonic-gate 5237c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 5247c478bd9Sstevel@tonic-gate 525af007057Syl UUID_LE_CONVERT(vtoc->efi_parts[i].p_guid, 526af007057Syl efi_parts[i].efi_gpe_PartitionTypeGUID); 527af007057Syl 528af007057Syl for (j = 0; 529af007057Syl j < sizeof (conversion_array) 530af007057Syl / sizeof (struct uuid_to_ptag); j++) { 531af007057Syl 532af007057Syl if (bcmp(&vtoc->efi_parts[i].p_guid, 533af007057Syl &conversion_array[j].uuid, 534af007057Syl sizeof (struct uuid)) == 0) { 535af007057Syl vtoc->efi_parts[i].p_tag = j; 536af007057Syl break; 537af007057Syl } 538af007057Syl } 539af007057Syl if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) 540af007057Syl continue; 541af007057Syl vtoc->efi_parts[i].p_flag = 542af007057Syl LE_16(efi_parts[i].efi_gpe_Attributes.PartitionAttrs); 543af007057Syl vtoc->efi_parts[i].p_start = 544af007057Syl LE_64(efi_parts[i].efi_gpe_StartingLBA); 545af007057Syl vtoc->efi_parts[i].p_size = 546af007057Syl LE_64(efi_parts[i].efi_gpe_EndingLBA) - 5477c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start + 1; 548af007057Syl for (j = 0; j < EFI_PART_NAME_LEN; j++) { 549af007057Syl vtoc->efi_parts[i].p_name[j] = 550af007057Syl (uchar_t)LE_16( 551af007057Syl efi_parts[i].efi_gpe_PartitionName[j]); 552af007057Syl } 5537c478bd9Sstevel@tonic-gate 554af007057Syl UUID_LE_CONVERT(vtoc->efi_parts[i].p_uguid, 555af007057Syl efi_parts[i].efi_gpe_UniquePartitionGUID); 5567c478bd9Sstevel@tonic-gate } 5577c478bd9Sstevel@tonic-gate free(efi); 5587c478bd9Sstevel@tonic-gate 5597c478bd9Sstevel@tonic-gate return (dki_info.dki_partition); 5607c478bd9Sstevel@tonic-gate } 5617c478bd9Sstevel@tonic-gate 562*7e934d3aSAndy Fiddaman static void 563*7e934d3aSAndy Fiddaman hardware_workarounds(int *slot, int *active) 564*7e934d3aSAndy Fiddaman { 565*7e934d3aSAndy Fiddaman smbios_struct_t s_sys, s_mb; 566*7e934d3aSAndy Fiddaman smbios_info_t sys, mb; 567*7e934d3aSAndy Fiddaman smbios_hdl_t *shp; 568*7e934d3aSAndy Fiddaman char buf[0x400]; 569*7e934d3aSAndy Fiddaman FILE *fp; 570*7e934d3aSAndy Fiddaman int err; 571*7e934d3aSAndy Fiddaman 572*7e934d3aSAndy Fiddaman if ((fp = fopen(EFI_FIXES_DB, "rF")) == NULL) 573*7e934d3aSAndy Fiddaman return; 574*7e934d3aSAndy Fiddaman 575*7e934d3aSAndy Fiddaman if ((shp = smbios_open(NULL, SMB_VERSION, 0, &err)) == NULL) { 576*7e934d3aSAndy Fiddaman if (efi_debug) 577*7e934d3aSAndy Fiddaman (void) fprintf(stderr, 578*7e934d3aSAndy Fiddaman "libefi failed to load SMBIOS: %s\n", 579*7e934d3aSAndy Fiddaman smbios_errmsg(err)); 580*7e934d3aSAndy Fiddaman (void) fclose(fp); 581*7e934d3aSAndy Fiddaman return; 582*7e934d3aSAndy Fiddaman } 583*7e934d3aSAndy Fiddaman 584*7e934d3aSAndy Fiddaman if (smbios_lookup_type(shp, SMB_TYPE_SYSTEM, &s_sys) == SMB_ERR || 585*7e934d3aSAndy Fiddaman smbios_info_common(shp, s_sys.smbstr_id, &sys) == SMB_ERR) 586*7e934d3aSAndy Fiddaman (void) memset(&sys, '\0', sizeof (sys)); 587*7e934d3aSAndy Fiddaman if (smbios_lookup_type(shp, SMB_TYPE_BASEBOARD, &s_mb) == SMB_ERR || 588*7e934d3aSAndy Fiddaman smbios_info_common(shp, s_mb.smbstr_id, &mb) == SMB_ERR) 589*7e934d3aSAndy Fiddaman (void) memset(&mb, '\0', sizeof (mb)); 590*7e934d3aSAndy Fiddaman 591*7e934d3aSAndy Fiddaman while (fgets(buf, sizeof (buf), fp) != NULL) { 592*7e934d3aSAndy Fiddaman char *tok, *val, *end; 593*7e934d3aSAndy Fiddaman 594*7e934d3aSAndy Fiddaman tok = buf + strspn(buf, " \t"); 595*7e934d3aSAndy Fiddaman if (*tok == '#') 596*7e934d3aSAndy Fiddaman continue; 597*7e934d3aSAndy Fiddaman while (*tok != '\0') { 598*7e934d3aSAndy Fiddaman tok += strspn(tok, " \t"); 599*7e934d3aSAndy Fiddaman if ((val = strchr(tok, '=')) == NULL) 600*7e934d3aSAndy Fiddaman break; 601*7e934d3aSAndy Fiddaman *val++ = '\0'; 602*7e934d3aSAndy Fiddaman if (*val == '"') 603*7e934d3aSAndy Fiddaman end = strchr(++val, '"'); 604*7e934d3aSAndy Fiddaman else 605*7e934d3aSAndy Fiddaman end = strpbrk(val, " \t\n"); 606*7e934d3aSAndy Fiddaman if (end == NULL) 607*7e934d3aSAndy Fiddaman break; 608*7e934d3aSAndy Fiddaman *end++ = '\0'; 609*7e934d3aSAndy Fiddaman 610*7e934d3aSAndy Fiddaman if (strcmp(tok, "sys.manufacturer") == 0 && 611*7e934d3aSAndy Fiddaman (sys.smbi_manufacturer == NULL || 612*7e934d3aSAndy Fiddaman strcasecmp(val, sys.smbi_manufacturer))) 613*7e934d3aSAndy Fiddaman break; 614*7e934d3aSAndy Fiddaman if (strcmp(tok, "sys.product") == 0 && 615*7e934d3aSAndy Fiddaman (sys.smbi_product == NULL || 616*7e934d3aSAndy Fiddaman strcasecmp(val, sys.smbi_product))) 617*7e934d3aSAndy Fiddaman break; 618*7e934d3aSAndy Fiddaman if (strcmp(tok, "sys.version") == 0 && 619*7e934d3aSAndy Fiddaman (sys.smbi_version == NULL || 620*7e934d3aSAndy Fiddaman strcasecmp(val, sys.smbi_version))) 621*7e934d3aSAndy Fiddaman break; 622*7e934d3aSAndy Fiddaman if (strcmp(tok, "mb.manufacturer") == 0 && 623*7e934d3aSAndy Fiddaman (mb.smbi_manufacturer == NULL || 624*7e934d3aSAndy Fiddaman strcasecmp(val, mb.smbi_manufacturer))) 625*7e934d3aSAndy Fiddaman break; 626*7e934d3aSAndy Fiddaman if (strcmp(tok, "mb.product") == 0 && 627*7e934d3aSAndy Fiddaman (mb.smbi_product == NULL || 628*7e934d3aSAndy Fiddaman strcasecmp(val, mb.smbi_product))) 629*7e934d3aSAndy Fiddaman break; 630*7e934d3aSAndy Fiddaman if (strcmp(tok, "mb.version") == 0 && 631*7e934d3aSAndy Fiddaman (mb.smbi_version == NULL || 632*7e934d3aSAndy Fiddaman strcasecmp(val, mb.smbi_version))) 633*7e934d3aSAndy Fiddaman break; 634*7e934d3aSAndy Fiddaman 635*7e934d3aSAndy Fiddaman if (strcmp(tok, "pmbr_slot") == 0) { 636*7e934d3aSAndy Fiddaman *slot = atoi(val); 637*7e934d3aSAndy Fiddaman if (*slot < 0 || *slot > 3) 638*7e934d3aSAndy Fiddaman *slot = 0; 639*7e934d3aSAndy Fiddaman if (efi_debug) 640*7e934d3aSAndy Fiddaman (void) fprintf(stderr, 641*7e934d3aSAndy Fiddaman "Using slot %d\n", *slot); 642*7e934d3aSAndy Fiddaman } 643*7e934d3aSAndy Fiddaman 644*7e934d3aSAndy Fiddaman if (strcmp(tok, "pmbr_active") == 0) { 645*7e934d3aSAndy Fiddaman *active = atoi(val); 646*7e934d3aSAndy Fiddaman if (*active < 0 || *active > 1) 647*7e934d3aSAndy Fiddaman *active = 0; 648*7e934d3aSAndy Fiddaman if (efi_debug) 649*7e934d3aSAndy Fiddaman (void) fprintf(stderr, 650*7e934d3aSAndy Fiddaman "Using active %d\n", *active); 651*7e934d3aSAndy Fiddaman } 652*7e934d3aSAndy Fiddaman 653*7e934d3aSAndy Fiddaman tok = end; 654*7e934d3aSAndy Fiddaman } 655*7e934d3aSAndy Fiddaman } 656*7e934d3aSAndy Fiddaman (void) fclose(fp); 657*7e934d3aSAndy Fiddaman smbios_close(shp); 658*7e934d3aSAndy Fiddaman } 659*7e934d3aSAndy Fiddaman 6607c478bd9Sstevel@tonic-gate /* writes a "protective" MBR */ 6617c478bd9Sstevel@tonic-gate static int 6627c478bd9Sstevel@tonic-gate write_pmbr(int fd, struct dk_gpt *vtoc) 6637c478bd9Sstevel@tonic-gate { 6647c478bd9Sstevel@tonic-gate dk_efi_t dk_ioc; 6657c478bd9Sstevel@tonic-gate struct mboot mb; 6667c478bd9Sstevel@tonic-gate uchar_t *cp; 6677c478bd9Sstevel@tonic-gate diskaddr_t size_in_lba; 66865908c77Syu, larry liu - Sun Microsystems - Beijing China uchar_t *buf; 669*7e934d3aSAndy Fiddaman int len, slot, active; 670*7e934d3aSAndy Fiddaman 671*7e934d3aSAndy Fiddaman slot = active = 0; 672*7e934d3aSAndy Fiddaman 673*7e934d3aSAndy Fiddaman hardware_workarounds(&slot, &active); 67465908c77Syu, larry liu - Sun Microsystems - Beijing China 67565908c77Syu, larry liu - Sun Microsystems - Beijing China len = (vtoc->efi_lbasize == 0) ? sizeof (mb) : vtoc->efi_lbasize; 67665908c77Syu, larry liu - Sun Microsystems - Beijing China buf = calloc(len, 1); 6777c478bd9Sstevel@tonic-gate 678987e90dcSxl /* 679987e90dcSxl * Preserve any boot code and disk signature if the first block is 680987e90dcSxl * already an MBR. 681987e90dcSxl */ 682987e90dcSxl dk_ioc.dki_lba = 0; 68365908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_length = len; 684987e90dcSxl /* LINTED -- always longlong aligned */ 68565908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)buf; 68665908c77Syu, larry liu - Sun Microsystems - Beijing China if (efi_ioctl(fd, DKIOCGETEFI, &dk_ioc) == -1) { 687286eb3edSRichard Yao (void) memcpy(&mb, buf, sizeof (mb)); 688987e90dcSxl bzero(&mb, sizeof (mb)); 689987e90dcSxl mb.signature = LE_16(MBB_MAGIC); 69065908c77Syu, larry liu - Sun Microsystems - Beijing China } else { 691286eb3edSRichard Yao (void) memcpy(&mb, buf, sizeof (mb)); 69265908c77Syu, larry liu - Sun Microsystems - Beijing China if (mb.signature != LE_16(MBB_MAGIC)) { 69365908c77Syu, larry liu - Sun Microsystems - Beijing China bzero(&mb, sizeof (mb)); 69465908c77Syu, larry liu - Sun Microsystems - Beijing China mb.signature = LE_16(MBB_MAGIC); 69565908c77Syu, larry liu - Sun Microsystems - Beijing China } 696987e90dcSxl } 69765908c77Syu, larry liu - Sun Microsystems - Beijing China 6987c478bd9Sstevel@tonic-gate bzero(&mb.parts, sizeof (mb.parts)); 699*7e934d3aSAndy Fiddaman cp = (uchar_t *)&mb.parts[slot * sizeof (struct ipart)]; 7007c478bd9Sstevel@tonic-gate /* bootable or not */ 701*7e934d3aSAndy Fiddaman *cp++ = active ? ACTIVE : NOTACTIVE; 7027c478bd9Sstevel@tonic-gate /* beginning CHS; 0xffffff if not representable */ 7037c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7047c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7057c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7067c478bd9Sstevel@tonic-gate /* OS type */ 7077c478bd9Sstevel@tonic-gate *cp++ = EFI_PMBR; 7087c478bd9Sstevel@tonic-gate /* ending CHS; 0xffffff if not representable */ 7097c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7107c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7117c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7127c478bd9Sstevel@tonic-gate /* starting LBA: 1 (little endian format) by EFI definition */ 7137c478bd9Sstevel@tonic-gate *cp++ = 0x01; 7147c478bd9Sstevel@tonic-gate *cp++ = 0x00; 7157c478bd9Sstevel@tonic-gate *cp++ = 0x00; 7167c478bd9Sstevel@tonic-gate *cp++ = 0x00; 7177c478bd9Sstevel@tonic-gate /* ending LBA: last block on the disk (little endian format) */ 7187c478bd9Sstevel@tonic-gate size_in_lba = vtoc->efi_last_lba; 7197c478bd9Sstevel@tonic-gate if (size_in_lba < 0xffffffff) { 7207c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0x000000ff); 7217c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0x0000ff00) >> 8; 7227c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0x00ff0000) >> 16; 7237c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0xff000000) >> 24; 7247c478bd9Sstevel@tonic-gate } else { 7257c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7267c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7277c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7287c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7297c478bd9Sstevel@tonic-gate } 73065908c77Syu, larry liu - Sun Microsystems - Beijing China 731286eb3edSRichard Yao (void) memcpy(buf, &mb, sizeof (mb)); 7327c478bd9Sstevel@tonic-gate /* LINTED -- always longlong aligned */ 73365908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)buf; 7347c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = 0; 73565908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_length = len; 7367c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 73765908c77Syu, larry liu - Sun Microsystems - Beijing China free(buf); 7387c478bd9Sstevel@tonic-gate switch (errno) { 7397c478bd9Sstevel@tonic-gate case EIO: 7407c478bd9Sstevel@tonic-gate return (VT_EIO); 7417c478bd9Sstevel@tonic-gate case EINVAL: 7427c478bd9Sstevel@tonic-gate return (VT_EINVAL); 7437c478bd9Sstevel@tonic-gate default: 7447c478bd9Sstevel@tonic-gate return (VT_ERROR); 7457c478bd9Sstevel@tonic-gate } 7467c478bd9Sstevel@tonic-gate } 74765908c77Syu, larry liu - Sun Microsystems - Beijing China free(buf); 7487c478bd9Sstevel@tonic-gate return (0); 7497c478bd9Sstevel@tonic-gate } 7507c478bd9Sstevel@tonic-gate 7517c478bd9Sstevel@tonic-gate /* make sure the user specified something reasonable */ 7527c478bd9Sstevel@tonic-gate static int 7537c478bd9Sstevel@tonic-gate check_input(struct dk_gpt *vtoc) 7547c478bd9Sstevel@tonic-gate { 7557c478bd9Sstevel@tonic-gate int resv_part = -1; 7567c478bd9Sstevel@tonic-gate int i, j; 7577c478bd9Sstevel@tonic-gate diskaddr_t istart, jstart, isize, jsize, endsect; 7587c478bd9Sstevel@tonic-gate 7597c478bd9Sstevel@tonic-gate /* 7607c478bd9Sstevel@tonic-gate * Sanity-check the input (make sure no partitions overlap) 7617c478bd9Sstevel@tonic-gate */ 7627c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 7637c478bd9Sstevel@tonic-gate /* It can't be unassigned and have an actual size */ 7647c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_tag == V_UNASSIGNED) && 7657c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_size != 0)) { 7667c478bd9Sstevel@tonic-gate if (efi_debug) { 7677c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 7687c478bd9Sstevel@tonic-gate "partition %d is \"unassigned\" but has a size of %llu", 7697c478bd9Sstevel@tonic-gate i, 7707c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size); 7717c478bd9Sstevel@tonic-gate } 7727c478bd9Sstevel@tonic-gate return (VT_EINVAL); 7737c478bd9Sstevel@tonic-gate } 7747c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) { 775f2be5148Sszhou if (uuid_is_null((uchar_t *)&vtoc->efi_parts[i].p_guid)) 776f2be5148Sszhou continue; 777f2be5148Sszhou /* we have encountered an unknown uuid */ 778f2be5148Sszhou vtoc->efi_parts[i].p_tag = 0xff; 7797c478bd9Sstevel@tonic-gate } 7807c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_RESERVED) { 7817c478bd9Sstevel@tonic-gate if (resv_part != -1) { 7827c478bd9Sstevel@tonic-gate if (efi_debug) { 783af007057Syl (void) fprintf(stderr, 7847c478bd9Sstevel@tonic-gate "found duplicate reserved partition at %d\n", 785af007057Syl i); 7867c478bd9Sstevel@tonic-gate } 7877c478bd9Sstevel@tonic-gate return (VT_EINVAL); 7887c478bd9Sstevel@tonic-gate } 7897c478bd9Sstevel@tonic-gate resv_part = i; 7907c478bd9Sstevel@tonic-gate } 7917c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start < vtoc->efi_first_u_lba) || 7927c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start > vtoc->efi_last_u_lba)) { 7937c478bd9Sstevel@tonic-gate if (efi_debug) { 7947c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 7957c478bd9Sstevel@tonic-gate "Partition %d starts at %llu. ", 7967c478bd9Sstevel@tonic-gate i, 7977c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start); 7987c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 7997c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 8007c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 8017c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 8027c478bd9Sstevel@tonic-gate } 8037c478bd9Sstevel@tonic-gate return (VT_EINVAL); 8047c478bd9Sstevel@tonic-gate } 8057c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start + 8067c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size < 8077c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba) || 8087c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start + 8097c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size > 8107c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba + 1)) { 8117c478bd9Sstevel@tonic-gate if (efi_debug) { 8127c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 8137c478bd9Sstevel@tonic-gate "Partition %d ends at %llu. ", 8147c478bd9Sstevel@tonic-gate i, 8157c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start + 8167c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size); 8177c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 8187c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 8197c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 8207c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 8217c478bd9Sstevel@tonic-gate } 8227c478bd9Sstevel@tonic-gate return (VT_EINVAL); 8237c478bd9Sstevel@tonic-gate } 8247c478bd9Sstevel@tonic-gate 8257c478bd9Sstevel@tonic-gate for (j = 0; j < vtoc->efi_nparts; j++) { 8267c478bd9Sstevel@tonic-gate isize = vtoc->efi_parts[i].p_size; 8277c478bd9Sstevel@tonic-gate jsize = vtoc->efi_parts[j].p_size; 8287c478bd9Sstevel@tonic-gate istart = vtoc->efi_parts[i].p_start; 8297c478bd9Sstevel@tonic-gate jstart = vtoc->efi_parts[j].p_start; 8307c478bd9Sstevel@tonic-gate if ((i != j) && (isize != 0) && (jsize != 0)) { 8317c478bd9Sstevel@tonic-gate endsect = jstart + jsize -1; 8327c478bd9Sstevel@tonic-gate if ((jstart <= istart) && 8337c478bd9Sstevel@tonic-gate (istart <= endsect)) { 8347c478bd9Sstevel@tonic-gate if (efi_debug) { 8357c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 8367c478bd9Sstevel@tonic-gate "Partition %d overlaps partition %d.", 8377c478bd9Sstevel@tonic-gate i, j); 838af007057Syl } 839af007057Syl return (VT_EINVAL); 8407c478bd9Sstevel@tonic-gate } 8417c478bd9Sstevel@tonic-gate } 8427c478bd9Sstevel@tonic-gate } 8437c478bd9Sstevel@tonic-gate } 8447c478bd9Sstevel@tonic-gate /* just a warning for now */ 8457c478bd9Sstevel@tonic-gate if ((resv_part == -1) && efi_debug) { 8467c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 847af007057Syl "no reserved partition found\n"); 8487c478bd9Sstevel@tonic-gate } 8497c478bd9Sstevel@tonic-gate return (0); 8507c478bd9Sstevel@tonic-gate } 8517c478bd9Sstevel@tonic-gate 852af007057Syl /* 853af007057Syl * add all the unallocated space to the current label 854af007057Syl */ 855af007057Syl int 856af007057Syl efi_use_whole_disk(int fd) 857af007057Syl { 858af007057Syl struct dk_gpt *efi_label; 859af007057Syl int rval; 860af007057Syl int i; 861af007057Syl uint_t phy_last_slice = 0; 862af007057Syl diskaddr_t pl_start = 0; 863af007057Syl diskaddr_t pl_size; 864af007057Syl 865af007057Syl rval = efi_alloc_and_read(fd, &efi_label); 866af007057Syl if (rval < 0) { 867af007057Syl return (rval); 868af007057Syl } 869af007057Syl 870af007057Syl /* find the last physically non-zero partition */ 871af007057Syl for (i = 0; i < efi_label->efi_nparts - 2; i ++) { 872af007057Syl if (pl_start < efi_label->efi_parts[i].p_start) { 873af007057Syl pl_start = efi_label->efi_parts[i].p_start; 874af007057Syl phy_last_slice = i; 875af007057Syl } 876af007057Syl } 877af007057Syl pl_size = efi_label->efi_parts[phy_last_slice].p_size; 878af007057Syl 879af007057Syl /* 880af007057Syl * If alter_lba is 1, we are using the backup label. 881af007057Syl * Since we can locate the backup label by disk capacity, 882af007057Syl * there must be no unallocated space. 883af007057Syl */ 884af007057Syl if ((efi_label->efi_altern_lba == 1) || (efi_label->efi_altern_lba 885af007057Syl >= efi_label->efi_last_lba)) { 886af007057Syl if (efi_debug) { 887af007057Syl (void) fprintf(stderr, 888af007057Syl "efi_use_whole_disk: requested space not found\n"); 889af007057Syl } 890af007057Syl efi_free(efi_label); 891af007057Syl return (VT_ENOSPC); 892af007057Syl } 893af007057Syl 894af007057Syl /* 895af007057Syl * If there is space between the last physically non-zero partition 896af007057Syl * and the reserved partition, just add the unallocated space to this 897af007057Syl * area. Otherwise, the unallocated space is added to the last 898af007057Syl * physically non-zero partition. 899af007057Syl */ 900af007057Syl if (pl_start + pl_size - 1 == efi_label->efi_last_u_lba - 901af007057Syl EFI_MIN_RESV_SIZE) { 902af007057Syl efi_label->efi_parts[phy_last_slice].p_size += 903af007057Syl efi_label->efi_last_lba - efi_label->efi_altern_lba; 904af007057Syl } 905af007057Syl 906af007057Syl /* 907af007057Syl * Move the reserved partition. There is currently no data in 908af007057Syl * here except fabricated devids (which get generated via 909af007057Syl * efi_write()). So there is no need to copy data. 910af007057Syl */ 911af007057Syl efi_label->efi_parts[efi_label->efi_nparts - 1].p_start += 912af007057Syl efi_label->efi_last_lba - efi_label->efi_altern_lba; 913af007057Syl efi_label->efi_last_u_lba += efi_label->efi_last_lba 914af007057Syl - efi_label->efi_altern_lba; 915af007057Syl 916af007057Syl rval = efi_write(fd, efi_label); 917af007057Syl if (rval < 0) { 918af007057Syl if (efi_debug) { 919af007057Syl (void) fprintf(stderr, 920af007057Syl "efi_use_whole_disk:fail to write label, rval=%d\n", 921af007057Syl rval); 922af007057Syl } 923af007057Syl efi_free(efi_label); 924af007057Syl return (rval); 925af007057Syl } 926af007057Syl 927af007057Syl efi_free(efi_label); 928af007057Syl return (0); 929af007057Syl } 930af007057Syl 931af007057Syl 9327c478bd9Sstevel@tonic-gate /* 9337c478bd9Sstevel@tonic-gate * write EFI label and backup label 9347c478bd9Sstevel@tonic-gate */ 9357c478bd9Sstevel@tonic-gate int 9367c478bd9Sstevel@tonic-gate efi_write(int fd, struct dk_gpt *vtoc) 9377c478bd9Sstevel@tonic-gate { 9387c478bd9Sstevel@tonic-gate dk_efi_t dk_ioc; 9397c478bd9Sstevel@tonic-gate efi_gpt_t *efi; 9407c478bd9Sstevel@tonic-gate efi_gpe_t *efi_parts; 9417c478bd9Sstevel@tonic-gate int i, j; 9427c478bd9Sstevel@tonic-gate struct dk_cinfo dki_info; 94386bbaf93Scg int nblocks; 94486bbaf93Scg diskaddr_t lba_backup_gpt_hdr; 9457c478bd9Sstevel@tonic-gate 9467c478bd9Sstevel@tonic-gate if (ioctl(fd, DKIOCINFO, (caddr_t)&dki_info) == -1) { 9477c478bd9Sstevel@tonic-gate if (efi_debug) 9487c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "DKIOCINFO errno 0x%x\n", errno); 9497c478bd9Sstevel@tonic-gate switch (errno) { 9507c478bd9Sstevel@tonic-gate case EIO: 9517c478bd9Sstevel@tonic-gate return (VT_EIO); 9527c478bd9Sstevel@tonic-gate case EINVAL: 9537c478bd9Sstevel@tonic-gate return (VT_EINVAL); 9547c478bd9Sstevel@tonic-gate default: 9557c478bd9Sstevel@tonic-gate return (VT_ERROR); 9567c478bd9Sstevel@tonic-gate } 9577c478bd9Sstevel@tonic-gate } 9587c478bd9Sstevel@tonic-gate 9595f10ef69SYuri Pankov if (check_input(vtoc)) 9605f10ef69SYuri Pankov return (VT_EINVAL); 9617c478bd9Sstevel@tonic-gate 9627c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = 1; 9637c478bd9Sstevel@tonic-gate if (NBLOCKS(vtoc->efi_nparts, vtoc->efi_lbasize) < 34) { 9647c478bd9Sstevel@tonic-gate dk_ioc.dki_length = EFI_MIN_ARRAY_SIZE + vtoc->efi_lbasize; 9657c478bd9Sstevel@tonic-gate } else { 9667c478bd9Sstevel@tonic-gate dk_ioc.dki_length = NBLOCKS(vtoc->efi_nparts, 967af007057Syl vtoc->efi_lbasize) * 968af007057Syl vtoc->efi_lbasize; 9697c478bd9Sstevel@tonic-gate } 9707c478bd9Sstevel@tonic-gate 97186bbaf93Scg /* 97286bbaf93Scg * the number of blocks occupied by GUID partition entry array 97386bbaf93Scg */ 97486bbaf93Scg nblocks = dk_ioc.dki_length / vtoc->efi_lbasize - 1; 97586bbaf93Scg 97686bbaf93Scg /* 97786bbaf93Scg * Backup GPT header is located on the block after GUID 97886bbaf93Scg * partition entry array. Here, we calculate the address 97986bbaf93Scg * for backup GPT header. 98086bbaf93Scg */ 98186bbaf93Scg lba_backup_gpt_hdr = vtoc->efi_last_u_lba + 1 + nblocks; 9827c478bd9Sstevel@tonic-gate if ((dk_ioc.dki_data = calloc(dk_ioc.dki_length, 1)) == NULL) 9837c478bd9Sstevel@tonic-gate return (VT_ERROR); 9847c478bd9Sstevel@tonic-gate 9857c478bd9Sstevel@tonic-gate efi = dk_ioc.dki_data; 9867c478bd9Sstevel@tonic-gate 9877c478bd9Sstevel@tonic-gate /* stuff user's input into EFI struct */ 9887c478bd9Sstevel@tonic-gate efi->efi_gpt_Signature = LE_64(EFI_SIGNATURE); 9897c478bd9Sstevel@tonic-gate efi->efi_gpt_Revision = LE_32(vtoc->efi_version); /* 0x02000100 */ 9907c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderSize = LE_32(sizeof (struct efi_gpt)); 9917c478bd9Sstevel@tonic-gate efi->efi_gpt_Reserved1 = 0; 9927c478bd9Sstevel@tonic-gate efi->efi_gpt_MyLBA = LE_64(1ULL); 99386bbaf93Scg efi->efi_gpt_AlternateLBA = LE_64(lba_backup_gpt_hdr); 9947c478bd9Sstevel@tonic-gate efi->efi_gpt_FirstUsableLBA = LE_64(vtoc->efi_first_u_lba); 9957c478bd9Sstevel@tonic-gate efi->efi_gpt_LastUsableLBA = LE_64(vtoc->efi_last_u_lba); 9967c478bd9Sstevel@tonic-gate efi->efi_gpt_PartitionEntryLBA = LE_64(2ULL); 9977c478bd9Sstevel@tonic-gate efi->efi_gpt_NumberOfPartitionEntries = LE_32(vtoc->efi_nparts); 9987c478bd9Sstevel@tonic-gate efi->efi_gpt_SizeOfPartitionEntry = LE_32(sizeof (struct efi_gpe)); 9997c478bd9Sstevel@tonic-gate UUID_LE_CONVERT(efi->efi_gpt_DiskGUID, vtoc->efi_disk_uguid); 10007c478bd9Sstevel@tonic-gate 10017c478bd9Sstevel@tonic-gate /* LINTED -- always longlong aligned */ 100265908c77Syu, larry liu - Sun Microsystems - Beijing China efi_parts = (efi_gpe_t *)((char *)dk_ioc.dki_data + vtoc->efi_lbasize); 10037c478bd9Sstevel@tonic-gate 10047c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 1005af007057Syl for (j = 0; 1006af007057Syl j < sizeof (conversion_array) / 1007af007057Syl sizeof (struct uuid_to_ptag); j++) { 1008af007057Syl 1009af007057Syl if (vtoc->efi_parts[i].p_tag == j) { 1010af007057Syl UUID_LE_CONVERT( 1011af007057Syl efi_parts[i].efi_gpe_PartitionTypeGUID, 1012af007057Syl conversion_array[j].uuid); 1013af007057Syl break; 1014af007057Syl } 1015af007057Syl } 1016af007057Syl 1017af007057Syl if (j == sizeof (conversion_array) / 1018af007057Syl sizeof (struct uuid_to_ptag)) { 1019af007057Syl /* 1020af007057Syl * If we didn't have a matching uuid match, bail here. 1021af007057Syl * Don't write a label with unknown uuid. 1022af007057Syl */ 1023af007057Syl if (efi_debug) { 1024af007057Syl (void) fprintf(stderr, 1025af007057Syl "Unknown uuid for p_tag %d\n", 1026af007057Syl vtoc->efi_parts[i].p_tag); 1027af007057Syl } 1028af007057Syl return (VT_EINVAL); 1029af007057Syl } 1030af007057Syl 1031af007057Syl efi_parts[i].efi_gpe_StartingLBA = 1032af007057Syl LE_64(vtoc->efi_parts[i].p_start); 1033af007057Syl efi_parts[i].efi_gpe_EndingLBA = 1034af007057Syl LE_64(vtoc->efi_parts[i].p_start + 1035af007057Syl vtoc->efi_parts[i].p_size - 1); 1036af007057Syl efi_parts[i].efi_gpe_Attributes.PartitionAttrs = 10377c478bd9Sstevel@tonic-gate LE_16(vtoc->efi_parts[i].p_flag); 1038af007057Syl for (j = 0; j < EFI_PART_NAME_LEN; j++) { 1039af007057Syl efi_parts[i].efi_gpe_PartitionName[j] = 1040af007057Syl LE_16((ushort_t)vtoc->efi_parts[i].p_name[j]); 1041af007057Syl } 1042af007057Syl if ((vtoc->efi_parts[i].p_tag != V_UNASSIGNED) && 1043af007057Syl uuid_is_null((uchar_t *)&vtoc->efi_parts[i].p_uguid)) { 1044af007057Syl (void) uuid_generate((uchar_t *) 1045af007057Syl &vtoc->efi_parts[i].p_uguid); 1046af007057Syl } 1047af007057Syl bcopy(&vtoc->efi_parts[i].p_uguid, 1048af007057Syl &efi_parts[i].efi_gpe_UniquePartitionGUID, 1049af007057Syl sizeof (uuid_t)); 10507c478bd9Sstevel@tonic-gate } 10517c478bd9Sstevel@tonic-gate efi->efi_gpt_PartitionEntryArrayCRC32 = 10527c478bd9Sstevel@tonic-gate LE_32(efi_crc32((unsigned char *)efi_parts, 10537c478bd9Sstevel@tonic-gate vtoc->efi_nparts * (int)sizeof (struct efi_gpe))); 10547c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 10557c478bd9Sstevel@tonic-gate LE_32(efi_crc32((unsigned char *)efi, sizeof (struct efi_gpt))); 10567c478bd9Sstevel@tonic-gate 10577c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 10587c478bd9Sstevel@tonic-gate free(dk_ioc.dki_data); 10597c478bd9Sstevel@tonic-gate switch (errno) { 10607c478bd9Sstevel@tonic-gate case EIO: 10617c478bd9Sstevel@tonic-gate return (VT_EIO); 10627c478bd9Sstevel@tonic-gate case EINVAL: 10637c478bd9Sstevel@tonic-gate return (VT_EINVAL); 10647c478bd9Sstevel@tonic-gate default: 10657c478bd9Sstevel@tonic-gate return (VT_ERROR); 10667c478bd9Sstevel@tonic-gate } 10677c478bd9Sstevel@tonic-gate } 106865908c77Syu, larry liu - Sun Microsystems - Beijing China 10697c478bd9Sstevel@tonic-gate /* write backup partition array */ 10707c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = vtoc->efi_last_u_lba + 1; 10717c478bd9Sstevel@tonic-gate dk_ioc.dki_length -= vtoc->efi_lbasize; 107265908c77Syu, larry liu - Sun Microsystems - Beijing China /* LINTED */ 107365908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data + 107465908c77Syu, larry liu - Sun Microsystems - Beijing China vtoc->efi_lbasize); 107565908c77Syu, larry liu - Sun Microsystems - Beijing China 10767c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 10777c478bd9Sstevel@tonic-gate /* 10787c478bd9Sstevel@tonic-gate * we wrote the primary label okay, so don't fail 10797c478bd9Sstevel@tonic-gate */ 10807c478bd9Sstevel@tonic-gate if (efi_debug) { 10817c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10827c478bd9Sstevel@tonic-gate "write of backup partitions to block %llu " 10837c478bd9Sstevel@tonic-gate "failed, errno %d\n", 10847c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba + 1, 10857c478bd9Sstevel@tonic-gate errno); 10867c478bd9Sstevel@tonic-gate } 10877c478bd9Sstevel@tonic-gate } 10887c478bd9Sstevel@tonic-gate /* 10897c478bd9Sstevel@tonic-gate * now swap MyLBA and AlternateLBA fields and write backup 10907c478bd9Sstevel@tonic-gate * partition table header 10917c478bd9Sstevel@tonic-gate */ 109286bbaf93Scg dk_ioc.dki_lba = lba_backup_gpt_hdr; 10937c478bd9Sstevel@tonic-gate dk_ioc.dki_length = vtoc->efi_lbasize; 109465908c77Syu, larry liu - Sun Microsystems - Beijing China /* LINTED */ 109565908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data - 109665908c77Syu, larry liu - Sun Microsystems - Beijing China vtoc->efi_lbasize); 10977c478bd9Sstevel@tonic-gate efi->efi_gpt_AlternateLBA = LE_64(1ULL); 109886bbaf93Scg efi->efi_gpt_MyLBA = LE_64(lba_backup_gpt_hdr); 10997c478bd9Sstevel@tonic-gate efi->efi_gpt_PartitionEntryLBA = LE_64(vtoc->efi_last_u_lba + 1); 11007c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 0; 11017c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 11027c478bd9Sstevel@tonic-gate LE_32(efi_crc32((unsigned char *)dk_ioc.dki_data, 11037c478bd9Sstevel@tonic-gate sizeof (struct efi_gpt))); 11047c478bd9Sstevel@tonic-gate 11057c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 11067c478bd9Sstevel@tonic-gate if (efi_debug) { 11077c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11087c478bd9Sstevel@tonic-gate "write of backup header to block %llu failed, " 11097c478bd9Sstevel@tonic-gate "errno %d\n", 111086bbaf93Scg lba_backup_gpt_hdr, 11117c478bd9Sstevel@tonic-gate errno); 11127c478bd9Sstevel@tonic-gate } 11137c478bd9Sstevel@tonic-gate } 11147c478bd9Sstevel@tonic-gate /* write the PMBR */ 11157c478bd9Sstevel@tonic-gate (void) write_pmbr(fd, vtoc); 11167c478bd9Sstevel@tonic-gate free(dk_ioc.dki_data); 11177c478bd9Sstevel@tonic-gate return (0); 11187c478bd9Sstevel@tonic-gate } 11197c478bd9Sstevel@tonic-gate 11207c478bd9Sstevel@tonic-gate void 11217c478bd9Sstevel@tonic-gate efi_free(struct dk_gpt *ptr) 11227c478bd9Sstevel@tonic-gate { 11237c478bd9Sstevel@tonic-gate free(ptr); 11247c478bd9Sstevel@tonic-gate } 11257c478bd9Sstevel@tonic-gate 11267c478bd9Sstevel@tonic-gate /* 11277c478bd9Sstevel@tonic-gate * Input: File descriptor 1128342440ecSPrasad Singamsetty * Output: 1 if disk has an EFI label, or > 2TB with no VTOC or legacy MBR. 1129342440ecSPrasad Singamsetty * Otherwise 0. 11307c478bd9Sstevel@tonic-gate */ 11317c478bd9Sstevel@tonic-gate int 11327c478bd9Sstevel@tonic-gate efi_type(int fd) 11337c478bd9Sstevel@tonic-gate { 11347c478bd9Sstevel@tonic-gate struct vtoc vtoc; 1135342440ecSPrasad Singamsetty struct extvtoc extvtoc; 11367c478bd9Sstevel@tonic-gate 1137342440ecSPrasad Singamsetty if (ioctl(fd, DKIOCGEXTVTOC, &extvtoc) == -1) { 1138342440ecSPrasad Singamsetty if (errno == ENOTSUP) 11397c478bd9Sstevel@tonic-gate return (1); 1140342440ecSPrasad Singamsetty else if (errno == ENOTTY) { 1141342440ecSPrasad Singamsetty if (ioctl(fd, DKIOCGVTOC, &vtoc) == -1) 1142342440ecSPrasad Singamsetty if (errno == ENOTSUP) 1143342440ecSPrasad Singamsetty return (1); 11447c478bd9Sstevel@tonic-gate } 11457c478bd9Sstevel@tonic-gate } 11467c478bd9Sstevel@tonic-gate return (0); 11477c478bd9Sstevel@tonic-gate } 11487c478bd9Sstevel@tonic-gate 11497c478bd9Sstevel@tonic-gate void 11507c478bd9Sstevel@tonic-gate efi_err_check(struct dk_gpt *vtoc) 11517c478bd9Sstevel@tonic-gate { 11527c478bd9Sstevel@tonic-gate int resv_part = -1; 11537c478bd9Sstevel@tonic-gate int i, j; 11547c478bd9Sstevel@tonic-gate diskaddr_t istart, jstart, isize, jsize, endsect; 11557c478bd9Sstevel@tonic-gate int overlap = 0; 11567c478bd9Sstevel@tonic-gate 11577c478bd9Sstevel@tonic-gate /* 11587c478bd9Sstevel@tonic-gate * make sure no partitions overlap 11597c478bd9Sstevel@tonic-gate */ 11607c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 11617c478bd9Sstevel@tonic-gate /* It can't be unassigned and have an actual size */ 11627c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_tag == V_UNASSIGNED) && 11637c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_size != 0)) { 11647c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11657c478bd9Sstevel@tonic-gate "partition %d is \"unassigned\" but has a size " 11667c478bd9Sstevel@tonic-gate "of %llu\n", i, vtoc->efi_parts[i].p_size); 11677c478bd9Sstevel@tonic-gate } 11687c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) { 11697c478bd9Sstevel@tonic-gate continue; 11707c478bd9Sstevel@tonic-gate } 11717c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_RESERVED) { 11727c478bd9Sstevel@tonic-gate if (resv_part != -1) { 11737c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11747c478bd9Sstevel@tonic-gate "found duplicate reserved partition at " 11757c478bd9Sstevel@tonic-gate "%d\n", i); 11767c478bd9Sstevel@tonic-gate } 11777c478bd9Sstevel@tonic-gate resv_part = i; 11787c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_size != EFI_MIN_RESV_SIZE) 11797c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11807c478bd9Sstevel@tonic-gate "Warning: reserved partition size must " 11817c478bd9Sstevel@tonic-gate "be %d sectors\n", EFI_MIN_RESV_SIZE); 11827c478bd9Sstevel@tonic-gate } 11837c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start < vtoc->efi_first_u_lba) || 11847c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start > vtoc->efi_last_u_lba)) { 11857c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11867c478bd9Sstevel@tonic-gate "Partition %d starts at %llu\n", 11877c478bd9Sstevel@tonic-gate i, 11887c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start); 11897c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11907c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 11917c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 11927c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 11937c478bd9Sstevel@tonic-gate } 11947c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start + 11957c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size < 11967c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba) || 11977c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start + 11987c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size > 11997c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba + 1)) { 12007c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 12017c478bd9Sstevel@tonic-gate "Partition %d ends at %llu\n", 12027c478bd9Sstevel@tonic-gate i, 12037c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start + 12047c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size); 12057c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 12067c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 12077c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 12087c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 12097c478bd9Sstevel@tonic-gate } 12107c478bd9Sstevel@tonic-gate 12117c478bd9Sstevel@tonic-gate for (j = 0; j < vtoc->efi_nparts; j++) { 12127c478bd9Sstevel@tonic-gate isize = vtoc->efi_parts[i].p_size; 12137c478bd9Sstevel@tonic-gate jsize = vtoc->efi_parts[j].p_size; 12147c478bd9Sstevel@tonic-gate istart = vtoc->efi_parts[i].p_start; 12157c478bd9Sstevel@tonic-gate jstart = vtoc->efi_parts[j].p_start; 12167c478bd9Sstevel@tonic-gate if ((i != j) && (isize != 0) && (jsize != 0)) { 12177c478bd9Sstevel@tonic-gate endsect = jstart + jsize -1; 12187c478bd9Sstevel@tonic-gate if ((jstart <= istart) && 12197c478bd9Sstevel@tonic-gate (istart <= endsect)) { 12207c478bd9Sstevel@tonic-gate if (!overlap) { 12217c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 12227c478bd9Sstevel@tonic-gate "label error: EFI Labels do not " 12237c478bd9Sstevel@tonic-gate "support overlapping partitions\n"); 12247c478bd9Sstevel@tonic-gate } 12257c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 12267c478bd9Sstevel@tonic-gate "Partition %d overlaps partition " 12277c478bd9Sstevel@tonic-gate "%d.\n", i, j); 12287c478bd9Sstevel@tonic-gate overlap = 1; 12297c478bd9Sstevel@tonic-gate } 12307c478bd9Sstevel@tonic-gate } 12317c478bd9Sstevel@tonic-gate } 12327c478bd9Sstevel@tonic-gate } 12337c478bd9Sstevel@tonic-gate /* make sure there is a reserved partition */ 12347c478bd9Sstevel@tonic-gate if (resv_part == -1) { 12357c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 1236af007057Syl "no reserved partition found\n"); 12377c478bd9Sstevel@tonic-gate } 12387c478bd9Sstevel@tonic-gate } 12397c478bd9Sstevel@tonic-gate 12407c478bd9Sstevel@tonic-gate /* 12417c478bd9Sstevel@tonic-gate * We need to get information necessary to construct a *new* efi 12427c478bd9Sstevel@tonic-gate * label type 12437c478bd9Sstevel@tonic-gate */ 12447c478bd9Sstevel@tonic-gate int 12457c478bd9Sstevel@tonic-gate efi_auto_sense(int fd, struct dk_gpt **vtoc) 12467c478bd9Sstevel@tonic-gate { 12477c478bd9Sstevel@tonic-gate 12487c478bd9Sstevel@tonic-gate int i; 12497c478bd9Sstevel@tonic-gate 12507c478bd9Sstevel@tonic-gate /* 12517c478bd9Sstevel@tonic-gate * Now build the default partition table 12527c478bd9Sstevel@tonic-gate */ 12537c478bd9Sstevel@tonic-gate if (efi_alloc_and_init(fd, EFI_NUMPAR, vtoc) != 0) { 12547c478bd9Sstevel@tonic-gate if (efi_debug) { 12557c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "efi_alloc_and_init failed.\n"); 12567c478bd9Sstevel@tonic-gate } 12577c478bd9Sstevel@tonic-gate return (-1); 12587c478bd9Sstevel@tonic-gate } 12597c478bd9Sstevel@tonic-gate 12607c478bd9Sstevel@tonic-gate for (i = 0; i < min((*vtoc)->efi_nparts, V_NUMPAR); i++) { 12617c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_tag = default_vtoc_map[i].p_tag; 12627c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_flag = default_vtoc_map[i].p_flag; 12637c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_start = 0; 12647c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_size = 0; 12657c478bd9Sstevel@tonic-gate } 12667c478bd9Sstevel@tonic-gate /* 12677c478bd9Sstevel@tonic-gate * Make constants first 12687c478bd9Sstevel@tonic-gate * and variable partitions later 12697c478bd9Sstevel@tonic-gate */ 12707c478bd9Sstevel@tonic-gate 12717c478bd9Sstevel@tonic-gate /* root partition - s0 128 MB */ 12727c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[0].p_start = 34; 12737c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[0].p_size = 262144; 12747c478bd9Sstevel@tonic-gate 12757c478bd9Sstevel@tonic-gate /* partition - s1 128 MB */ 12767c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[1].p_start = 262178; 12777c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[1].p_size = 262144; 12787c478bd9Sstevel@tonic-gate 12797c478bd9Sstevel@tonic-gate /* partition -s2 is NOT the Backup disk */ 12807c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[2].p_tag = V_UNASSIGNED; 12817c478bd9Sstevel@tonic-gate 12827c478bd9Sstevel@tonic-gate /* partition -s6 /usr partition - HOG */ 12837c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[6].p_start = 524322; 12847c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[6].p_size = (*vtoc)->efi_last_u_lba - 524322 12857c478bd9Sstevel@tonic-gate - (1024 * 16); 12867c478bd9Sstevel@tonic-gate 12877c478bd9Sstevel@tonic-gate /* efi reserved partition - s9 16K */ 12887c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[8].p_start = (*vtoc)->efi_last_u_lba - (1024 * 16); 12897c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[8].p_size = (1024 * 16); 12907c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[8].p_tag = V_RESERVED; 12917c478bd9Sstevel@tonic-gate return (0); 12927c478bd9Sstevel@tonic-gate } 1293