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> 267e934d3aSAndy Fiddaman * Copyright 2018 OmniOS Community Edition (OmniOSce) Association. 27fd797736SJohn Levon * Copyright 2019 Joyent, Inc. 287c478bd9Sstevel@tonic-gate */ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #include <stdio.h> 317c478bd9Sstevel@tonic-gate #include <stdlib.h> 327c478bd9Sstevel@tonic-gate #include <errno.h> 337c478bd9Sstevel@tonic-gate #include <strings.h> 347c478bd9Sstevel@tonic-gate #include <unistd.h> 357e934d3aSAndy Fiddaman #include <smbios.h> 367c478bd9Sstevel@tonic-gate #include <uuid/uuid.h> 377c478bd9Sstevel@tonic-gate #include <libintl.h> 387c478bd9Sstevel@tonic-gate #include <sys/types.h> 397c478bd9Sstevel@tonic-gate #include <sys/dkio.h> 407c478bd9Sstevel@tonic-gate #include <sys/vtoc.h> 417c478bd9Sstevel@tonic-gate #include <sys/mhd.h> 427c478bd9Sstevel@tonic-gate #include <sys/param.h> 437c478bd9Sstevel@tonic-gate #include <sys/dktp/fdisk.h> 447c478bd9Sstevel@tonic-gate #include <sys/efi_partition.h> 457c478bd9Sstevel@tonic-gate #include <sys/byteorder.h> 467c478bd9Sstevel@tonic-gate #include <sys/ddi.h> 477c478bd9Sstevel@tonic-gate 48d06952d0SToomas Soome /* 49d06952d0SToomas Soome * The original conversion array used simple array index, but since 50d06952d0SToomas Soome * we do need to take account of VTOC tag numbers from other systems, 51d06952d0SToomas Soome * we need to provide tag values too, or the array will grow too large. 52d06952d0SToomas Soome * 53d06952d0SToomas Soome * Still we will fabricate the missing p_tag values. 54d06952d0SToomas Soome */ 557c478bd9Sstevel@tonic-gate static struct uuid_to_ptag { 567c478bd9Sstevel@tonic-gate struct uuid uuid; 57d06952d0SToomas Soome ushort_t p_tag; 587c478bd9Sstevel@tonic-gate } conversion_array[] = { 59d06952d0SToomas Soome { EFI_UNUSED, V_UNASSIGNED }, 60d06952d0SToomas Soome { EFI_BOOT, V_BOOT }, 61d06952d0SToomas Soome { EFI_ROOT, V_ROOT }, 62d06952d0SToomas Soome { EFI_SWAP, V_SWAP }, 63d06952d0SToomas Soome { EFI_USR, V_USR }, 64d06952d0SToomas Soome { EFI_BACKUP, V_BACKUP }, 65d06952d0SToomas Soome { EFI_VAR, V_VAR }, 66d06952d0SToomas Soome { EFI_HOME, V_HOME }, 67d06952d0SToomas Soome { EFI_ALTSCTR, V_ALTSCTR }, 68d06952d0SToomas Soome { EFI_RESERVED, V_RESERVED }, 69d06952d0SToomas Soome { EFI_SYSTEM, V_SYSTEM }, /* V_SYSTEM is 0xc */ 70d06952d0SToomas Soome { EFI_LEGACY_MBR, 0x10 }, 71d06952d0SToomas Soome { EFI_SYMC_PUB, 0x11 }, 72d06952d0SToomas Soome { EFI_SYMC_CDS, 0x12 }, 73d06952d0SToomas Soome { EFI_MSFT_RESV, 0x13 }, 74d06952d0SToomas Soome { EFI_DELL_BASIC, 0x14 }, 75d06952d0SToomas Soome { EFI_DELL_RAID, 0x15 }, 76d06952d0SToomas Soome { EFI_DELL_SWAP, 0x16 }, 77d06952d0SToomas Soome { EFI_DELL_LVM, 0x17 }, 78d06952d0SToomas Soome { EFI_DELL_RESV, 0x19 }, 79d06952d0SToomas Soome { EFI_AAPL_HFS, 0x1a }, 80d06952d0SToomas Soome { EFI_AAPL_UFS, 0x1b }, 81d06952d0SToomas Soome { EFI_AAPL_ZFS, 0x1c }, 82d06952d0SToomas Soome { EFI_AAPL_APFS, 0x1d }, 83d06952d0SToomas Soome { EFI_BIOS_BOOT, V_BIOS_BOOT }, /* V_BIOS_BOOT is 0x18 */ 84d06952d0SToomas Soome { EFI_FREEBSD_BOOT, V_FREEBSD_BOOT }, 85d06952d0SToomas Soome { EFI_FREEBSD_SWAP, V_FREEBSD_SWAP }, 86d06952d0SToomas Soome { EFI_FREEBSD_UFS, V_FREEBSD_UFS }, 87d06952d0SToomas Soome { EFI_FREEBSD_VINUM, V_FREEBSD_VINUM }, 88d06952d0SToomas Soome { EFI_FREEBSD_ZFS, V_FREEBSD_ZFS }, 89d06952d0SToomas Soome { EFI_FREEBSD_NANDFS, V_FREEBSD_NANDFS } 907c478bd9Sstevel@tonic-gate }; 917c478bd9Sstevel@tonic-gate 927c478bd9Sstevel@tonic-gate /* 937c478bd9Sstevel@tonic-gate * Default vtoc information for non-SVr4 partitions 947c478bd9Sstevel@tonic-gate */ 957c478bd9Sstevel@tonic-gate struct dk_map2 default_vtoc_map[NDKMAP] = { 967c478bd9Sstevel@tonic-gate { V_ROOT, 0 }, /* a - 0 */ 977c478bd9Sstevel@tonic-gate { V_SWAP, V_UNMNT }, /* b - 1 */ 987c478bd9Sstevel@tonic-gate { V_BACKUP, V_UNMNT }, /* c - 2 */ 997c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* d - 3 */ 1007c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* e - 4 */ 1017c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* f - 5 */ 1027c478bd9Sstevel@tonic-gate { V_USR, 0 }, /* g - 6 */ 1037c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* h - 7 */ 1047c478bd9Sstevel@tonic-gate 1057c478bd9Sstevel@tonic-gate #if defined(_SUNOS_VTOC_16) 1067c478bd9Sstevel@tonic-gate 1077c478bd9Sstevel@tonic-gate #if defined(i386) || defined(__amd64) 1087c478bd9Sstevel@tonic-gate { V_BOOT, V_UNMNT }, /* i - 8 */ 1097c478bd9Sstevel@tonic-gate { V_ALTSCTR, 0 }, /* j - 9 */ 1107c478bd9Sstevel@tonic-gate 1117c478bd9Sstevel@tonic-gate #else 1127c478bd9Sstevel@tonic-gate #error No VTOC format defined. 1137c478bd9Sstevel@tonic-gate #endif /* defined(i386) */ 1147c478bd9Sstevel@tonic-gate 1157c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* k - 10 */ 1167c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* l - 11 */ 1177c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* m - 12 */ 1187c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* n - 13 */ 1197c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* o - 14 */ 1207c478bd9Sstevel@tonic-gate { V_UNASSIGNED, 0 }, /* p - 15 */ 1217c478bd9Sstevel@tonic-gate #endif /* defined(_SUNOS_VTOC_16) */ 1227c478bd9Sstevel@tonic-gate }; 1237c478bd9Sstevel@tonic-gate 1247c478bd9Sstevel@tonic-gate #ifdef DEBUG 1257c478bd9Sstevel@tonic-gate int efi_debug = 1; 1267c478bd9Sstevel@tonic-gate #else 1277c478bd9Sstevel@tonic-gate int efi_debug = 0; 1287c478bd9Sstevel@tonic-gate #endif 1297c478bd9Sstevel@tonic-gate 1307e934d3aSAndy Fiddaman #define EFI_FIXES_DB "/usr/share/hwdata/efi.fixes" 1317e934d3aSAndy Fiddaman 1327c478bd9Sstevel@tonic-gate extern unsigned int efi_crc32(const unsigned char *, unsigned int); 1337c478bd9Sstevel@tonic-gate static int efi_read(int, struct dk_gpt *); 1347c478bd9Sstevel@tonic-gate 1357c478bd9Sstevel@tonic-gate static int 1367c478bd9Sstevel@tonic-gate read_disk_info(int fd, diskaddr_t *capacity, uint_t *lbsize) 1377c478bd9Sstevel@tonic-gate { 1387c478bd9Sstevel@tonic-gate struct dk_minfo disk_info; 1397c478bd9Sstevel@tonic-gate 1407c478bd9Sstevel@tonic-gate if ((ioctl(fd, DKIOCGMEDIAINFO, (caddr_t)&disk_info)) == -1) 1417c478bd9Sstevel@tonic-gate return (errno); 1427c478bd9Sstevel@tonic-gate *capacity = disk_info.dki_capacity; 1437c478bd9Sstevel@tonic-gate *lbsize = disk_info.dki_lbsize; 1447c478bd9Sstevel@tonic-gate return (0); 1457c478bd9Sstevel@tonic-gate } 1467c478bd9Sstevel@tonic-gate 1477c478bd9Sstevel@tonic-gate /* 1487c478bd9Sstevel@tonic-gate * the number of blocks the EFI label takes up (round up to nearest 1497c478bd9Sstevel@tonic-gate * block) 1507c478bd9Sstevel@tonic-gate */ 1517c478bd9Sstevel@tonic-gate #define NBLOCKS(p, l) (1 + ((((p) * (int)sizeof (efi_gpe_t)) + \ 1527c478bd9Sstevel@tonic-gate ((l) - 1)) / (l))) 1537c478bd9Sstevel@tonic-gate /* number of partitions -- limited by what we can malloc */ 1547c478bd9Sstevel@tonic-gate #define MAX_PARTS ((4294967295UL - sizeof (struct dk_gpt)) / \ 1557c478bd9Sstevel@tonic-gate sizeof (struct dk_part)) 1567c478bd9Sstevel@tonic-gate 157*62ce8e2eSToomas Soome /* 158*62ce8e2eSToomas Soome * The EFI reserved partition size is 8 MiB. This calculates the number of 159*62ce8e2eSToomas Soome * sectors required to store 8 MiB, taking into account the device's sector 160*62ce8e2eSToomas Soome * size. 161*62ce8e2eSToomas Soome */ 162*62ce8e2eSToomas Soome uint_t 163*62ce8e2eSToomas Soome efi_reserved_sectors(dk_gpt_t *efi) 164*62ce8e2eSToomas Soome { 165*62ce8e2eSToomas Soome /* roundup to sector size */ 166*62ce8e2eSToomas Soome return ((EFI_MIN_RESV_SIZE * DEV_BSIZE + efi->efi_lbasize - 1) / 167*62ce8e2eSToomas Soome efi->efi_lbasize); 168*62ce8e2eSToomas Soome } 169*62ce8e2eSToomas Soome 1707c478bd9Sstevel@tonic-gate int 1717c478bd9Sstevel@tonic-gate efi_alloc_and_init(int fd, uint32_t nparts, struct dk_gpt **vtoc) 1727c478bd9Sstevel@tonic-gate { 1737c478bd9Sstevel@tonic-gate diskaddr_t capacity; 1747c478bd9Sstevel@tonic-gate uint_t lbsize; 1757c478bd9Sstevel@tonic-gate uint_t nblocks; 1767c478bd9Sstevel@tonic-gate size_t length; 1777c478bd9Sstevel@tonic-gate struct dk_gpt *vptr; 1787c478bd9Sstevel@tonic-gate struct uuid uuid; 1797c478bd9Sstevel@tonic-gate 1807c478bd9Sstevel@tonic-gate if (read_disk_info(fd, &capacity, &lbsize) != 0) { 1817c478bd9Sstevel@tonic-gate if (efi_debug) 1827c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 1837c478bd9Sstevel@tonic-gate "couldn't read disk information\n"); 1847c478bd9Sstevel@tonic-gate return (-1); 1857c478bd9Sstevel@tonic-gate } 1867c478bd9Sstevel@tonic-gate 1877c478bd9Sstevel@tonic-gate nblocks = NBLOCKS(nparts, lbsize); 1887c478bd9Sstevel@tonic-gate if ((nblocks * lbsize) < EFI_MIN_ARRAY_SIZE + lbsize) { 1897c478bd9Sstevel@tonic-gate /* 16K plus one block for the GPT */ 1907c478bd9Sstevel@tonic-gate nblocks = EFI_MIN_ARRAY_SIZE / lbsize + 1; 1917c478bd9Sstevel@tonic-gate } 1927c478bd9Sstevel@tonic-gate 1937c478bd9Sstevel@tonic-gate if (nparts > MAX_PARTS) { 1947c478bd9Sstevel@tonic-gate if (efi_debug) { 1957c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 1967c478bd9Sstevel@tonic-gate "the maximum number of partitions supported is %lu\n", 1977c478bd9Sstevel@tonic-gate MAX_PARTS); 1987c478bd9Sstevel@tonic-gate } 1997c478bd9Sstevel@tonic-gate return (-1); 2007c478bd9Sstevel@tonic-gate } 2017c478bd9Sstevel@tonic-gate 2027c478bd9Sstevel@tonic-gate length = sizeof (struct dk_gpt) + 2037c478bd9Sstevel@tonic-gate sizeof (struct dk_part) * (nparts - 1); 2047c478bd9Sstevel@tonic-gate 2051b58875aSJohn Levon if ((*vtoc = calloc(1, length)) == NULL) 2067c478bd9Sstevel@tonic-gate return (-1); 2077c478bd9Sstevel@tonic-gate 2087c478bd9Sstevel@tonic-gate vptr = *vtoc; 2097c478bd9Sstevel@tonic-gate 2107c478bd9Sstevel@tonic-gate vptr->efi_version = EFI_VERSION_CURRENT; 2117c478bd9Sstevel@tonic-gate vptr->efi_lbasize = lbsize; 2127c478bd9Sstevel@tonic-gate vptr->efi_nparts = nparts; 2137c478bd9Sstevel@tonic-gate /* 2147c478bd9Sstevel@tonic-gate * add one block here for the PMBR; on disks with a 512 byte 2157c478bd9Sstevel@tonic-gate * block size and 128 or fewer partitions, efi_first_u_lba 2167c478bd9Sstevel@tonic-gate * should work out to "34" 2177c478bd9Sstevel@tonic-gate */ 2187c478bd9Sstevel@tonic-gate vptr->efi_first_u_lba = nblocks + 1; 2197c478bd9Sstevel@tonic-gate vptr->efi_last_lba = capacity - 1; 220af007057Syl vptr->efi_altern_lba = capacity -1; 2217c478bd9Sstevel@tonic-gate vptr->efi_last_u_lba = vptr->efi_last_lba - nblocks; 22265908c77Syu, larry liu - Sun Microsystems - Beijing China 2237c478bd9Sstevel@tonic-gate (void) uuid_generate((uchar_t *)&uuid); 2247c478bd9Sstevel@tonic-gate UUID_LE_CONVERT(vptr->efi_disk_uguid, uuid); 2257c478bd9Sstevel@tonic-gate return (0); 2267c478bd9Sstevel@tonic-gate } 2277c478bd9Sstevel@tonic-gate 2287c478bd9Sstevel@tonic-gate /* 2297c478bd9Sstevel@tonic-gate * Read EFI - return partition number upon success. 2307c478bd9Sstevel@tonic-gate */ 2317c478bd9Sstevel@tonic-gate int 2327c478bd9Sstevel@tonic-gate efi_alloc_and_read(int fd, struct dk_gpt **vtoc) 2337c478bd9Sstevel@tonic-gate { 2347c478bd9Sstevel@tonic-gate int rval; 2357c478bd9Sstevel@tonic-gate uint32_t nparts; 2367c478bd9Sstevel@tonic-gate int length; 237fe12dc75SToomas Soome struct mboot *mbr; 238fe12dc75SToomas Soome struct ipart *ipart; 239fe12dc75SToomas Soome diskaddr_t capacity; 240fe12dc75SToomas Soome uint_t lbsize; 241fe12dc75SToomas Soome int i; 242fe12dc75SToomas Soome 243fe12dc75SToomas Soome if (read_disk_info(fd, &capacity, &lbsize) != 0) 244fe12dc75SToomas Soome return (VT_ERROR); 245fe12dc75SToomas Soome 2461b58875aSJohn Levon if ((mbr = calloc(1, lbsize)) == NULL) 247fe12dc75SToomas Soome return (VT_ERROR); 248fe12dc75SToomas Soome 249fe12dc75SToomas Soome if ((ioctl(fd, DKIOCGMBOOT, (caddr_t)mbr)) == -1) { 250fe12dc75SToomas Soome free(mbr); 251fe12dc75SToomas Soome return (VT_ERROR); 252fe12dc75SToomas Soome } 253fe12dc75SToomas Soome 254fe12dc75SToomas Soome if (mbr->signature != MBB_MAGIC) { 255fe12dc75SToomas Soome free(mbr); 256fe12dc75SToomas Soome return (VT_EINVAL); 257fe12dc75SToomas Soome } 258fe12dc75SToomas Soome ipart = (struct ipart *)(uintptr_t)mbr->parts; 259fe12dc75SToomas Soome 260fe12dc75SToomas Soome /* Check if we have partition with ID EFI_PMBR */ 261fe12dc75SToomas Soome for (i = 0; i < FD_NUMPART; i++) { 262fe12dc75SToomas Soome if (ipart[i].systid == EFI_PMBR) 263fe12dc75SToomas Soome break; 264fe12dc75SToomas Soome } 265fe12dc75SToomas Soome free(mbr); 266fe12dc75SToomas Soome if (i == FD_NUMPART) 267fe12dc75SToomas Soome return (VT_EINVAL); 2687c478bd9Sstevel@tonic-gate 2697c478bd9Sstevel@tonic-gate /* figure out the number of entries that would fit into 16K */ 2707c478bd9Sstevel@tonic-gate nparts = EFI_MIN_ARRAY_SIZE / sizeof (efi_gpe_t); 2717c478bd9Sstevel@tonic-gate length = (int) sizeof (struct dk_gpt) + 272af007057Syl (int) sizeof (struct dk_part) * (nparts - 1); 2731b58875aSJohn Levon if ((*vtoc = calloc(1, length)) == NULL) 2747c478bd9Sstevel@tonic-gate return (VT_ERROR); 2757c478bd9Sstevel@tonic-gate 2767c478bd9Sstevel@tonic-gate (*vtoc)->efi_nparts = nparts; 2777c478bd9Sstevel@tonic-gate rval = efi_read(fd, *vtoc); 2787c478bd9Sstevel@tonic-gate 2797c478bd9Sstevel@tonic-gate if ((rval == VT_EINVAL) && (*vtoc)->efi_nparts > nparts) { 2807c478bd9Sstevel@tonic-gate void *tmp; 2817c478bd9Sstevel@tonic-gate length = (int) sizeof (struct dk_gpt) + 282af007057Syl (int) sizeof (struct dk_part) * 283af007057Syl ((*vtoc)->efi_nparts - 1); 2847c478bd9Sstevel@tonic-gate nparts = (*vtoc)->efi_nparts; 2857c478bd9Sstevel@tonic-gate if ((tmp = realloc(*vtoc, length)) == NULL) { 2867c478bd9Sstevel@tonic-gate free (*vtoc); 2877c478bd9Sstevel@tonic-gate *vtoc = NULL; 2887c478bd9Sstevel@tonic-gate return (VT_ERROR); 2897c478bd9Sstevel@tonic-gate } else { 2907c478bd9Sstevel@tonic-gate *vtoc = tmp; 2917c478bd9Sstevel@tonic-gate rval = efi_read(fd, *vtoc); 2927c478bd9Sstevel@tonic-gate } 2937c478bd9Sstevel@tonic-gate } 2947c478bd9Sstevel@tonic-gate 2957c478bd9Sstevel@tonic-gate if (rval < 0) { 2967c478bd9Sstevel@tonic-gate if (efi_debug) { 2977c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 2987c478bd9Sstevel@tonic-gate "read of EFI table failed, rval=%d\n", rval); 2997c478bd9Sstevel@tonic-gate } 3007c478bd9Sstevel@tonic-gate free (*vtoc); 3017c478bd9Sstevel@tonic-gate *vtoc = NULL; 3027c478bd9Sstevel@tonic-gate } 3037c478bd9Sstevel@tonic-gate 3047c478bd9Sstevel@tonic-gate return (rval); 3057c478bd9Sstevel@tonic-gate } 3067c478bd9Sstevel@tonic-gate 3077c478bd9Sstevel@tonic-gate static int 3087c478bd9Sstevel@tonic-gate efi_ioctl(int fd, int cmd, dk_efi_t *dk_ioc) 3097c478bd9Sstevel@tonic-gate { 3107c478bd9Sstevel@tonic-gate void *data = dk_ioc->dki_data; 3117c478bd9Sstevel@tonic-gate int error; 3127c478bd9Sstevel@tonic-gate 3137c478bd9Sstevel@tonic-gate dk_ioc->dki_data_64 = (uint64_t)(uintptr_t)data; 3147c478bd9Sstevel@tonic-gate error = ioctl(fd, cmd, (void *)dk_ioc); 3157c478bd9Sstevel@tonic-gate dk_ioc->dki_data = data; 3167c478bd9Sstevel@tonic-gate 3177c478bd9Sstevel@tonic-gate return (error); 3187c478bd9Sstevel@tonic-gate } 3197c478bd9Sstevel@tonic-gate 3207c478bd9Sstevel@tonic-gate static int 3217c478bd9Sstevel@tonic-gate check_label(int fd, dk_efi_t *dk_ioc) 3227c478bd9Sstevel@tonic-gate { 3237c478bd9Sstevel@tonic-gate efi_gpt_t *efi; 3247c478bd9Sstevel@tonic-gate uint_t crc; 3257c478bd9Sstevel@tonic-gate 3267c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCGETEFI, dk_ioc) == -1) { 3277c478bd9Sstevel@tonic-gate switch (errno) { 3287c478bd9Sstevel@tonic-gate case EIO: 3297c478bd9Sstevel@tonic-gate return (VT_EIO); 3307c478bd9Sstevel@tonic-gate default: 3317c478bd9Sstevel@tonic-gate return (VT_ERROR); 3327c478bd9Sstevel@tonic-gate } 3337c478bd9Sstevel@tonic-gate } 3347c478bd9Sstevel@tonic-gate efi = dk_ioc->dki_data; 3357c478bd9Sstevel@tonic-gate if (efi->efi_gpt_Signature != LE_64(EFI_SIGNATURE)) { 3367c478bd9Sstevel@tonic-gate if (efi_debug) 3377c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 3387c478bd9Sstevel@tonic-gate "Bad EFI signature: 0x%llx != 0x%llx\n", 3397c478bd9Sstevel@tonic-gate (long long)efi->efi_gpt_Signature, 3407c478bd9Sstevel@tonic-gate (long long)LE_64(EFI_SIGNATURE)); 3417c478bd9Sstevel@tonic-gate return (VT_EINVAL); 3427c478bd9Sstevel@tonic-gate } 3437c478bd9Sstevel@tonic-gate 3447c478bd9Sstevel@tonic-gate /* 3457c478bd9Sstevel@tonic-gate * check CRC of the header; the size of the header should 3467c478bd9Sstevel@tonic-gate * never be larger than one block 3477c478bd9Sstevel@tonic-gate */ 3487c478bd9Sstevel@tonic-gate crc = efi->efi_gpt_HeaderCRC32; 3497c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 0; 3507c478bd9Sstevel@tonic-gate 3517c478bd9Sstevel@tonic-gate if (((len_t)LE_32(efi->efi_gpt_HeaderSize) > dk_ioc->dki_length) || 3527c478bd9Sstevel@tonic-gate crc != LE_32(efi_crc32((unsigned char *)efi, 3537c478bd9Sstevel@tonic-gate LE_32(efi->efi_gpt_HeaderSize)))) { 3547c478bd9Sstevel@tonic-gate if (efi_debug) 3557c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 356af007057Syl "Bad EFI CRC: 0x%x != 0x%x\n", 357fd797736SJohn Levon crc, LE_32(efi_crc32((unsigned char *)efi, 358fd797736SJohn Levon LE_32(efi->efi_gpt_HeaderSize)))); 3597c478bd9Sstevel@tonic-gate return (VT_EINVAL); 3607c478bd9Sstevel@tonic-gate } 3617c478bd9Sstevel@tonic-gate 3627c478bd9Sstevel@tonic-gate return (0); 3637c478bd9Sstevel@tonic-gate } 3647c478bd9Sstevel@tonic-gate 3657c478bd9Sstevel@tonic-gate static int 3667c478bd9Sstevel@tonic-gate efi_read(int fd, struct dk_gpt *vtoc) 3677c478bd9Sstevel@tonic-gate { 3687c478bd9Sstevel@tonic-gate int i, j; 3697c478bd9Sstevel@tonic-gate int label_len; 3707c478bd9Sstevel@tonic-gate int rval = 0; 371d84f0041SAlexandre Chartre int vdc_flag = 0; 3727c478bd9Sstevel@tonic-gate struct dk_minfo disk_info; 3737c478bd9Sstevel@tonic-gate dk_efi_t dk_ioc; 3747c478bd9Sstevel@tonic-gate efi_gpt_t *efi; 3757c478bd9Sstevel@tonic-gate efi_gpe_t *efi_parts; 3767c478bd9Sstevel@tonic-gate struct dk_cinfo dki_info; 3777c478bd9Sstevel@tonic-gate uint32_t user_length; 37886bbaf93Scg boolean_t legacy_label = B_FALSE; 3797c478bd9Sstevel@tonic-gate 3807c478bd9Sstevel@tonic-gate /* 3817c478bd9Sstevel@tonic-gate * get the partition number for this file descriptor. 3827c478bd9Sstevel@tonic-gate */ 3837c478bd9Sstevel@tonic-gate if (ioctl(fd, DKIOCINFO, (caddr_t)&dki_info) == -1) { 384af007057Syl if (efi_debug) { 385af007057Syl (void) fprintf(stderr, "DKIOCINFO errno 0x%x\n", errno); 386af007057Syl } 3877c478bd9Sstevel@tonic-gate switch (errno) { 3887c478bd9Sstevel@tonic-gate case EIO: 3897c478bd9Sstevel@tonic-gate return (VT_EIO); 3907c478bd9Sstevel@tonic-gate case EINVAL: 3917c478bd9Sstevel@tonic-gate return (VT_EINVAL); 3927c478bd9Sstevel@tonic-gate default: 3937c478bd9Sstevel@tonic-gate return (VT_ERROR); 3947c478bd9Sstevel@tonic-gate } 3957c478bd9Sstevel@tonic-gate } 3965f10ef69SYuri Pankov 3975f10ef69SYuri Pankov if ((strncmp(dki_info.dki_cname, "vdc", 4) == 0) && 398d84f0041SAlexandre Chartre (strncmp(dki_info.dki_dname, "vdc", 4) == 0)) { 399d84f0041SAlexandre Chartre /* 400d84f0041SAlexandre Chartre * The controller and drive name "vdc" (virtual disk client) 401d84f0041SAlexandre Chartre * indicates a LDoms virtual disk. 402d84f0041SAlexandre Chartre */ 403d84f0041SAlexandre Chartre vdc_flag++; 4047c478bd9Sstevel@tonic-gate } 405d84f0041SAlexandre Chartre 4067c478bd9Sstevel@tonic-gate /* get the LBA size */ 4077c478bd9Sstevel@tonic-gate if (ioctl(fd, DKIOCGMEDIAINFO, (caddr_t)&disk_info) == -1) { 4087c478bd9Sstevel@tonic-gate if (efi_debug) { 4097c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 4107c478bd9Sstevel@tonic-gate "assuming LBA 512 bytes %d\n", 4117c478bd9Sstevel@tonic-gate errno); 4127c478bd9Sstevel@tonic-gate } 4137c478bd9Sstevel@tonic-gate disk_info.dki_lbsize = DEV_BSIZE; 4147c478bd9Sstevel@tonic-gate } 4157c478bd9Sstevel@tonic-gate if (disk_info.dki_lbsize == 0) { 4167c478bd9Sstevel@tonic-gate if (efi_debug) { 4177c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 4187c478bd9Sstevel@tonic-gate "efi_read: assuming LBA 512 bytes\n"); 4197c478bd9Sstevel@tonic-gate } 4207c478bd9Sstevel@tonic-gate disk_info.dki_lbsize = DEV_BSIZE; 4217c478bd9Sstevel@tonic-gate } 4227c478bd9Sstevel@tonic-gate /* 4237c478bd9Sstevel@tonic-gate * Read the EFI GPT to figure out how many partitions we need 4247c478bd9Sstevel@tonic-gate * to deal with. 4257c478bd9Sstevel@tonic-gate */ 4267c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = 1; 4277c478bd9Sstevel@tonic-gate if (NBLOCKS(vtoc->efi_nparts, disk_info.dki_lbsize) < 34) { 4287c478bd9Sstevel@tonic-gate label_len = EFI_MIN_ARRAY_SIZE + disk_info.dki_lbsize; 4297c478bd9Sstevel@tonic-gate } else { 4307c478bd9Sstevel@tonic-gate label_len = vtoc->efi_nparts * (int) sizeof (efi_gpe_t) + 431af007057Syl disk_info.dki_lbsize; 4327c478bd9Sstevel@tonic-gate if (label_len % disk_info.dki_lbsize) { 4337c478bd9Sstevel@tonic-gate /* pad to physical sector size */ 4347c478bd9Sstevel@tonic-gate label_len += disk_info.dki_lbsize; 4357c478bd9Sstevel@tonic-gate label_len &= ~(disk_info.dki_lbsize - 1); 4367c478bd9Sstevel@tonic-gate } 4377c478bd9Sstevel@tonic-gate } 4387c478bd9Sstevel@tonic-gate 4391b58875aSJohn Levon if ((dk_ioc.dki_data = calloc(1, label_len)) == NULL) 4407c478bd9Sstevel@tonic-gate return (VT_ERROR); 4417c478bd9Sstevel@tonic-gate 442c7e1889fSyl dk_ioc.dki_length = disk_info.dki_lbsize; 4437c478bd9Sstevel@tonic-gate user_length = vtoc->efi_nparts; 4447c478bd9Sstevel@tonic-gate efi = dk_ioc.dki_data; 4455f10ef69SYuri Pankov if ((rval = check_label(fd, &dk_ioc)) == VT_EINVAL) { 44686bbaf93Scg /* 44786bbaf93Scg * No valid label here; try the alternate. Note that here 44886bbaf93Scg * we just read GPT header and save it into dk_ioc.data, 44986bbaf93Scg * Later, we will read GUID partition entry array if we 45086bbaf93Scg * can get valid GPT header. 45186bbaf93Scg */ 45286bbaf93Scg 45386bbaf93Scg /* 45486bbaf93Scg * This is a workaround for legacy systems. In the past, the 45586bbaf93Scg * last sector of SCSI disk was invisible on x86 platform. At 45686bbaf93Scg * that time, backup label was saved on the next to the last 45786bbaf93Scg * sector. It is possible for users to move a disk from previous 45886bbaf93Scg * solaris system to present system. Here, we attempt to search 45986bbaf93Scg * legacy backup EFI label first. 46086bbaf93Scg */ 46186bbaf93Scg dk_ioc.dki_lba = disk_info.dki_capacity - 2; 4627c478bd9Sstevel@tonic-gate dk_ioc.dki_length = disk_info.dki_lbsize; 4634f0dea16Scg rval = check_label(fd, &dk_ioc); 46486bbaf93Scg if (rval == VT_EINVAL) { 4654f0dea16Scg /* 46686bbaf93Scg * we didn't find legacy backup EFI label, try to 46786bbaf93Scg * search backup EFI label in the last block. 4684f0dea16Scg */ 46986bbaf93Scg dk_ioc.dki_lba = disk_info.dki_capacity - 1; 4704f0dea16Scg dk_ioc.dki_length = disk_info.dki_lbsize; 4714f0dea16Scg rval = check_label(fd, &dk_ioc); 47286bbaf93Scg if (rval == 0) { 47386bbaf93Scg legacy_label = B_TRUE; 47486bbaf93Scg if (efi_debug) 47586bbaf93Scg (void) fprintf(stderr, 47686bbaf93Scg "efi_read: primary label corrupt; " 47786bbaf93Scg "using EFI backup label located on" 47886bbaf93Scg " the last block\n"); 4794f0dea16Scg } 48086bbaf93Scg } else { 48186bbaf93Scg if ((efi_debug) && (rval == 0)) 48286bbaf93Scg (void) fprintf(stderr, "efi_read: primary label" 48386bbaf93Scg " corrupt; using legacy EFI backup label " 48486bbaf93Scg " located on the next to last block\n"); 4854f0dea16Scg } 4864f0dea16Scg 4874f0dea16Scg if (rval == 0) { 4887c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = LE_64(efi->efi_gpt_PartitionEntryLBA); 4897c478bd9Sstevel@tonic-gate vtoc->efi_flags |= EFI_GPT_PRIMARY_CORRUPT; 4907c478bd9Sstevel@tonic-gate vtoc->efi_nparts = 4917c478bd9Sstevel@tonic-gate LE_32(efi->efi_gpt_NumberOfPartitionEntries); 4927c478bd9Sstevel@tonic-gate /* 49386bbaf93Scg * Partition tables are between backup GPT header 49486bbaf93Scg * table and ParitionEntryLBA (the starting LBA of 49586bbaf93Scg * the GUID partition entries array). Now that we 49686bbaf93Scg * already got valid GPT header and saved it in 49786bbaf93Scg * dk_ioc.dki_data, we try to get GUID partition 49886bbaf93Scg * entry array here. 4997c478bd9Sstevel@tonic-gate */ 50065908c77Syu, larry liu - Sun Microsystems - Beijing China /* LINTED */ 50165908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data 50265908c77Syu, larry liu - Sun Microsystems - Beijing China + disk_info.dki_lbsize); 50386bbaf93Scg if (legacy_label) 50486bbaf93Scg dk_ioc.dki_length = disk_info.dki_capacity - 1 - 505af007057Syl dk_ioc.dki_lba; 50686bbaf93Scg else 50786bbaf93Scg dk_ioc.dki_length = disk_info.dki_capacity - 2 - 508af007057Syl dk_ioc.dki_lba; 5097c478bd9Sstevel@tonic-gate dk_ioc.dki_length *= disk_info.dki_lbsize; 51086bbaf93Scg if (dk_ioc.dki_length > 51186bbaf93Scg ((len_t)label_len - sizeof (*dk_ioc.dki_data))) { 5127c478bd9Sstevel@tonic-gate rval = VT_EINVAL; 5137c478bd9Sstevel@tonic-gate } else { 51486bbaf93Scg /* 51586bbaf93Scg * read GUID partition entry array 51686bbaf93Scg */ 5177c478bd9Sstevel@tonic-gate rval = efi_ioctl(fd, DKIOCGETEFI, &dk_ioc); 5187c478bd9Sstevel@tonic-gate } 5197c478bd9Sstevel@tonic-gate } 520d84f0041SAlexandre Chartre 521d84f0041SAlexandre Chartre } else if (rval == 0) { 522d84f0041SAlexandre Chartre 523c7e1889fSyl dk_ioc.dki_lba = LE_64(efi->efi_gpt_PartitionEntryLBA); 52465908c77Syu, larry liu - Sun Microsystems - Beijing China /* LINTED */ 52565908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data 52665908c77Syu, larry liu - Sun Microsystems - Beijing China + disk_info.dki_lbsize); 527c7e1889fSyl dk_ioc.dki_length = label_len - disk_info.dki_lbsize; 528c7e1889fSyl rval = efi_ioctl(fd, DKIOCGETEFI, &dk_ioc); 529d84f0041SAlexandre Chartre 530d84f0041SAlexandre Chartre } else if (vdc_flag && rval == VT_ERROR && errno == EINVAL) { 531d84f0041SAlexandre Chartre /* 532d84f0041SAlexandre Chartre * When the device is a LDoms virtual disk, the DKIOCGETEFI 533d84f0041SAlexandre Chartre * ioctl can fail with EINVAL if the virtual disk backend 534d84f0041SAlexandre Chartre * is a ZFS volume serviced by a domain running an old version 535d84f0041SAlexandre Chartre * of Solaris. This is because the DKIOCGETEFI ioctl was 536d84f0041SAlexandre Chartre * initially incorrectly implemented for a ZFS volume and it 537d84f0041SAlexandre Chartre * expected the GPT and GPE to be retrieved with a single ioctl. 538d84f0041SAlexandre Chartre * So we try to read the GPT and the GPE using that old style 539d84f0041SAlexandre Chartre * ioctl. 540d84f0041SAlexandre Chartre */ 541d84f0041SAlexandre Chartre dk_ioc.dki_lba = 1; 542d84f0041SAlexandre Chartre dk_ioc.dki_length = label_len; 543d84f0041SAlexandre Chartre rval = check_label(fd, &dk_ioc); 5447c478bd9Sstevel@tonic-gate } 545d84f0041SAlexandre Chartre 5467c478bd9Sstevel@tonic-gate if (rval < 0) { 5477c478bd9Sstevel@tonic-gate free(efi); 5487c478bd9Sstevel@tonic-gate return (rval); 5497c478bd9Sstevel@tonic-gate } 5507c478bd9Sstevel@tonic-gate 5517c478bd9Sstevel@tonic-gate /* LINTED -- always longlong aligned */ 552c7e1889fSyl efi_parts = (efi_gpe_t *)(((char *)efi) + disk_info.dki_lbsize); 5537c478bd9Sstevel@tonic-gate 5547c478bd9Sstevel@tonic-gate /* 5557c478bd9Sstevel@tonic-gate * Assemble this into a "dk_gpt" struct for easier 5567c478bd9Sstevel@tonic-gate * digestibility by applications. 5577c478bd9Sstevel@tonic-gate */ 5587c478bd9Sstevel@tonic-gate vtoc->efi_version = LE_32(efi->efi_gpt_Revision); 5597c478bd9Sstevel@tonic-gate vtoc->efi_nparts = LE_32(efi->efi_gpt_NumberOfPartitionEntries); 5607c478bd9Sstevel@tonic-gate vtoc->efi_part_size = LE_32(efi->efi_gpt_SizeOfPartitionEntry); 5617c478bd9Sstevel@tonic-gate vtoc->efi_lbasize = disk_info.dki_lbsize; 5627c478bd9Sstevel@tonic-gate vtoc->efi_last_lba = disk_info.dki_capacity - 1; 5637c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba = LE_64(efi->efi_gpt_FirstUsableLBA); 5647c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba = LE_64(efi->efi_gpt_LastUsableLBA); 565af007057Syl vtoc->efi_altern_lba = LE_64(efi->efi_gpt_AlternateLBA); 5667c478bd9Sstevel@tonic-gate UUID_LE_CONVERT(vtoc->efi_disk_uguid, efi->efi_gpt_DiskGUID); 5677c478bd9Sstevel@tonic-gate 5687c478bd9Sstevel@tonic-gate /* 5697c478bd9Sstevel@tonic-gate * If the array the user passed in is too small, set the length 5707c478bd9Sstevel@tonic-gate * to what it needs to be and return 5717c478bd9Sstevel@tonic-gate */ 5727c478bd9Sstevel@tonic-gate if (user_length < vtoc->efi_nparts) { 5737c478bd9Sstevel@tonic-gate return (VT_EINVAL); 5747c478bd9Sstevel@tonic-gate } 5757c478bd9Sstevel@tonic-gate 5767c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 5777c478bd9Sstevel@tonic-gate 578af007057Syl UUID_LE_CONVERT(vtoc->efi_parts[i].p_guid, 579af007057Syl efi_parts[i].efi_gpe_PartitionTypeGUID); 580af007057Syl 581af007057Syl for (j = 0; 582af007057Syl j < sizeof (conversion_array) 583af007057Syl / sizeof (struct uuid_to_ptag); j++) { 584af007057Syl 585af007057Syl if (bcmp(&vtoc->efi_parts[i].p_guid, 586af007057Syl &conversion_array[j].uuid, 587af007057Syl sizeof (struct uuid)) == 0) { 588d06952d0SToomas Soome vtoc->efi_parts[i].p_tag = 589d06952d0SToomas Soome conversion_array[j].p_tag; 590af007057Syl break; 591af007057Syl } 592af007057Syl } 593af007057Syl if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) 594af007057Syl continue; 595af007057Syl vtoc->efi_parts[i].p_flag = 596af007057Syl LE_16(efi_parts[i].efi_gpe_Attributes.PartitionAttrs); 597af007057Syl vtoc->efi_parts[i].p_start = 598af007057Syl LE_64(efi_parts[i].efi_gpe_StartingLBA); 599af007057Syl vtoc->efi_parts[i].p_size = 600af007057Syl LE_64(efi_parts[i].efi_gpe_EndingLBA) - 6017c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start + 1; 602af007057Syl for (j = 0; j < EFI_PART_NAME_LEN; j++) { 603af007057Syl vtoc->efi_parts[i].p_name[j] = 604af007057Syl (uchar_t)LE_16( 605af007057Syl efi_parts[i].efi_gpe_PartitionName[j]); 606af007057Syl } 6077c478bd9Sstevel@tonic-gate 608af007057Syl UUID_LE_CONVERT(vtoc->efi_parts[i].p_uguid, 609af007057Syl efi_parts[i].efi_gpe_UniquePartitionGUID); 6107c478bd9Sstevel@tonic-gate } 6117c478bd9Sstevel@tonic-gate free(efi); 6127c478bd9Sstevel@tonic-gate 6137c478bd9Sstevel@tonic-gate return (dki_info.dki_partition); 6147c478bd9Sstevel@tonic-gate } 6157c478bd9Sstevel@tonic-gate 6167e934d3aSAndy Fiddaman static void 6177e934d3aSAndy Fiddaman hardware_workarounds(int *slot, int *active) 6187e934d3aSAndy Fiddaman { 6197e934d3aSAndy Fiddaman smbios_struct_t s_sys, s_mb; 6207e934d3aSAndy Fiddaman smbios_info_t sys, mb; 6217e934d3aSAndy Fiddaman smbios_hdl_t *shp; 6227e934d3aSAndy Fiddaman char buf[0x400]; 6237e934d3aSAndy Fiddaman FILE *fp; 6247e934d3aSAndy Fiddaman int err; 6257e934d3aSAndy Fiddaman 6267e934d3aSAndy Fiddaman if ((fp = fopen(EFI_FIXES_DB, "rF")) == NULL) 6277e934d3aSAndy Fiddaman return; 6287e934d3aSAndy Fiddaman 6297e934d3aSAndy Fiddaman if ((shp = smbios_open(NULL, SMB_VERSION, 0, &err)) == NULL) { 6307e934d3aSAndy Fiddaman if (efi_debug) 6317e934d3aSAndy Fiddaman (void) fprintf(stderr, 6327e934d3aSAndy Fiddaman "libefi failed to load SMBIOS: %s\n", 6337e934d3aSAndy Fiddaman smbios_errmsg(err)); 6347e934d3aSAndy Fiddaman (void) fclose(fp); 6357e934d3aSAndy Fiddaman return; 6367e934d3aSAndy Fiddaman } 6377e934d3aSAndy Fiddaman 6387e934d3aSAndy Fiddaman if (smbios_lookup_type(shp, SMB_TYPE_SYSTEM, &s_sys) == SMB_ERR || 6397e934d3aSAndy Fiddaman smbios_info_common(shp, s_sys.smbstr_id, &sys) == SMB_ERR) 6407e934d3aSAndy Fiddaman (void) memset(&sys, '\0', sizeof (sys)); 6417e934d3aSAndy Fiddaman if (smbios_lookup_type(shp, SMB_TYPE_BASEBOARD, &s_mb) == SMB_ERR || 6427e934d3aSAndy Fiddaman smbios_info_common(shp, s_mb.smbstr_id, &mb) == SMB_ERR) 6437e934d3aSAndy Fiddaman (void) memset(&mb, '\0', sizeof (mb)); 6447e934d3aSAndy Fiddaman 6457e934d3aSAndy Fiddaman while (fgets(buf, sizeof (buf), fp) != NULL) { 6467e934d3aSAndy Fiddaman char *tok, *val, *end; 6477e934d3aSAndy Fiddaman 6487e934d3aSAndy Fiddaman tok = buf + strspn(buf, " \t"); 6497e934d3aSAndy Fiddaman if (*tok == '#') 6507e934d3aSAndy Fiddaman continue; 6517e934d3aSAndy Fiddaman while (*tok != '\0') { 6527e934d3aSAndy Fiddaman tok += strspn(tok, " \t"); 6537e934d3aSAndy Fiddaman if ((val = strchr(tok, '=')) == NULL) 6547e934d3aSAndy Fiddaman break; 6557e934d3aSAndy Fiddaman *val++ = '\0'; 6567e934d3aSAndy Fiddaman if (*val == '"') 6577e934d3aSAndy Fiddaman end = strchr(++val, '"'); 6587e934d3aSAndy Fiddaman else 6597e934d3aSAndy Fiddaman end = strpbrk(val, " \t\n"); 6607e934d3aSAndy Fiddaman if (end == NULL) 6617e934d3aSAndy Fiddaman break; 6627e934d3aSAndy Fiddaman *end++ = '\0'; 6637e934d3aSAndy Fiddaman 6647e934d3aSAndy Fiddaman if (strcmp(tok, "sys.manufacturer") == 0 && 6657e934d3aSAndy Fiddaman (sys.smbi_manufacturer == NULL || 6667e934d3aSAndy Fiddaman strcasecmp(val, sys.smbi_manufacturer))) 6677e934d3aSAndy Fiddaman break; 6687e934d3aSAndy Fiddaman if (strcmp(tok, "sys.product") == 0 && 6697e934d3aSAndy Fiddaman (sys.smbi_product == NULL || 6707e934d3aSAndy Fiddaman strcasecmp(val, sys.smbi_product))) 6717e934d3aSAndy Fiddaman break; 6727e934d3aSAndy Fiddaman if (strcmp(tok, "sys.version") == 0 && 6737e934d3aSAndy Fiddaman (sys.smbi_version == NULL || 6747e934d3aSAndy Fiddaman strcasecmp(val, sys.smbi_version))) 6757e934d3aSAndy Fiddaman break; 6767e934d3aSAndy Fiddaman if (strcmp(tok, "mb.manufacturer") == 0 && 6777e934d3aSAndy Fiddaman (mb.smbi_manufacturer == NULL || 6787e934d3aSAndy Fiddaman strcasecmp(val, mb.smbi_manufacturer))) 6797e934d3aSAndy Fiddaman break; 6807e934d3aSAndy Fiddaman if (strcmp(tok, "mb.product") == 0 && 6817e934d3aSAndy Fiddaman (mb.smbi_product == NULL || 6827e934d3aSAndy Fiddaman strcasecmp(val, mb.smbi_product))) 6837e934d3aSAndy Fiddaman break; 6847e934d3aSAndy Fiddaman if (strcmp(tok, "mb.version") == 0 && 6857e934d3aSAndy Fiddaman (mb.smbi_version == NULL || 6867e934d3aSAndy Fiddaman strcasecmp(val, mb.smbi_version))) 6877e934d3aSAndy Fiddaman break; 6887e934d3aSAndy Fiddaman 6897e934d3aSAndy Fiddaman if (strcmp(tok, "pmbr_slot") == 0) { 6907e934d3aSAndy Fiddaman *slot = atoi(val); 6917e934d3aSAndy Fiddaman if (*slot < 0 || *slot > 3) 6927e934d3aSAndy Fiddaman *slot = 0; 6937e934d3aSAndy Fiddaman if (efi_debug) 6947e934d3aSAndy Fiddaman (void) fprintf(stderr, 6957e934d3aSAndy Fiddaman "Using slot %d\n", *slot); 6967e934d3aSAndy Fiddaman } 6977e934d3aSAndy Fiddaman 6987e934d3aSAndy Fiddaman if (strcmp(tok, "pmbr_active") == 0) { 6997e934d3aSAndy Fiddaman *active = atoi(val); 7007e934d3aSAndy Fiddaman if (*active < 0 || *active > 1) 7017e934d3aSAndy Fiddaman *active = 0; 7027e934d3aSAndy Fiddaman if (efi_debug) 7037e934d3aSAndy Fiddaman (void) fprintf(stderr, 7047e934d3aSAndy Fiddaman "Using active %d\n", *active); 7057e934d3aSAndy Fiddaman } 7067e934d3aSAndy Fiddaman 7077e934d3aSAndy Fiddaman tok = end; 7087e934d3aSAndy Fiddaman } 7097e934d3aSAndy Fiddaman } 7107e934d3aSAndy Fiddaman (void) fclose(fp); 7117e934d3aSAndy Fiddaman smbios_close(shp); 7127e934d3aSAndy Fiddaman } 7137e934d3aSAndy Fiddaman 7147c478bd9Sstevel@tonic-gate /* writes a "protective" MBR */ 7157c478bd9Sstevel@tonic-gate static int 7167c478bd9Sstevel@tonic-gate write_pmbr(int fd, struct dk_gpt *vtoc) 7177c478bd9Sstevel@tonic-gate { 7187c478bd9Sstevel@tonic-gate dk_efi_t dk_ioc; 7197c478bd9Sstevel@tonic-gate struct mboot mb; 7207c478bd9Sstevel@tonic-gate uchar_t *cp; 7217c478bd9Sstevel@tonic-gate diskaddr_t size_in_lba; 72265908c77Syu, larry liu - Sun Microsystems - Beijing China uchar_t *buf; 7237e934d3aSAndy Fiddaman int len, slot, active; 7247e934d3aSAndy Fiddaman 7257e934d3aSAndy Fiddaman slot = active = 0; 7267e934d3aSAndy Fiddaman 7277e934d3aSAndy Fiddaman hardware_workarounds(&slot, &active); 72865908c77Syu, larry liu - Sun Microsystems - Beijing China 72965908c77Syu, larry liu - Sun Microsystems - Beijing China len = (vtoc->efi_lbasize == 0) ? sizeof (mb) : vtoc->efi_lbasize; 730fd797736SJohn Levon buf = calloc(1, len); 7317c478bd9Sstevel@tonic-gate 732987e90dcSxl /* 733987e90dcSxl * Preserve any boot code and disk signature if the first block is 734987e90dcSxl * already an MBR. 735987e90dcSxl */ 736987e90dcSxl dk_ioc.dki_lba = 0; 73765908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_length = len; 738987e90dcSxl /* LINTED -- always longlong aligned */ 73965908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)buf; 74065908c77Syu, larry liu - Sun Microsystems - Beijing China if (efi_ioctl(fd, DKIOCGETEFI, &dk_ioc) == -1) { 741286eb3edSRichard Yao (void) memcpy(&mb, buf, sizeof (mb)); 742987e90dcSxl bzero(&mb, sizeof (mb)); 743987e90dcSxl mb.signature = LE_16(MBB_MAGIC); 74465908c77Syu, larry liu - Sun Microsystems - Beijing China } else { 745286eb3edSRichard Yao (void) memcpy(&mb, buf, sizeof (mb)); 74665908c77Syu, larry liu - Sun Microsystems - Beijing China if (mb.signature != LE_16(MBB_MAGIC)) { 74765908c77Syu, larry liu - Sun Microsystems - Beijing China bzero(&mb, sizeof (mb)); 74865908c77Syu, larry liu - Sun Microsystems - Beijing China mb.signature = LE_16(MBB_MAGIC); 74965908c77Syu, larry liu - Sun Microsystems - Beijing China } 750987e90dcSxl } 75165908c77Syu, larry liu - Sun Microsystems - Beijing China 7527c478bd9Sstevel@tonic-gate bzero(&mb.parts, sizeof (mb.parts)); 7537e934d3aSAndy Fiddaman cp = (uchar_t *)&mb.parts[slot * sizeof (struct ipart)]; 7547c478bd9Sstevel@tonic-gate /* bootable or not */ 7557e934d3aSAndy Fiddaman *cp++ = active ? ACTIVE : NOTACTIVE; 756fd797736SJohn Levon /* beginning CHS; same as starting LBA (but one-based) */ 757fd797736SJohn Levon *cp++ = 0x0; 758fd797736SJohn Levon *cp++ = 0x2; 759fd797736SJohn Levon *cp++ = 0x0; 7607c478bd9Sstevel@tonic-gate /* OS type */ 7617c478bd9Sstevel@tonic-gate *cp++ = EFI_PMBR; 7627c478bd9Sstevel@tonic-gate /* ending CHS; 0xffffff if not representable */ 7637c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7647c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7657c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7667c478bd9Sstevel@tonic-gate /* starting LBA: 1 (little endian format) by EFI definition */ 7677c478bd9Sstevel@tonic-gate *cp++ = 0x01; 7687c478bd9Sstevel@tonic-gate *cp++ = 0x00; 7697c478bd9Sstevel@tonic-gate *cp++ = 0x00; 7707c478bd9Sstevel@tonic-gate *cp++ = 0x00; 7717c478bd9Sstevel@tonic-gate /* ending LBA: last block on the disk (little endian format) */ 7727c478bd9Sstevel@tonic-gate size_in_lba = vtoc->efi_last_lba; 7737c478bd9Sstevel@tonic-gate if (size_in_lba < 0xffffffff) { 7747c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0x000000ff); 7757c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0x0000ff00) >> 8; 7767c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0x00ff0000) >> 16; 7777c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0xff000000) >> 24; 7787c478bd9Sstevel@tonic-gate } else { 7797c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7807c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7817c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7827c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7837c478bd9Sstevel@tonic-gate } 78465908c77Syu, larry liu - Sun Microsystems - Beijing China 785286eb3edSRichard Yao (void) memcpy(buf, &mb, sizeof (mb)); 7867c478bd9Sstevel@tonic-gate /* LINTED -- always longlong aligned */ 78765908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)buf; 7887c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = 0; 78965908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_length = len; 7907c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 79165908c77Syu, larry liu - Sun Microsystems - Beijing China free(buf); 7927c478bd9Sstevel@tonic-gate switch (errno) { 7937c478bd9Sstevel@tonic-gate case EIO: 7947c478bd9Sstevel@tonic-gate return (VT_EIO); 7957c478bd9Sstevel@tonic-gate case EINVAL: 7967c478bd9Sstevel@tonic-gate return (VT_EINVAL); 7977c478bd9Sstevel@tonic-gate default: 7987c478bd9Sstevel@tonic-gate return (VT_ERROR); 7997c478bd9Sstevel@tonic-gate } 8007c478bd9Sstevel@tonic-gate } 80165908c77Syu, larry liu - Sun Microsystems - Beijing China free(buf); 8027c478bd9Sstevel@tonic-gate return (0); 8037c478bd9Sstevel@tonic-gate } 8047c478bd9Sstevel@tonic-gate 8057c478bd9Sstevel@tonic-gate /* make sure the user specified something reasonable */ 8067c478bd9Sstevel@tonic-gate static int 8077c478bd9Sstevel@tonic-gate check_input(struct dk_gpt *vtoc) 8087c478bd9Sstevel@tonic-gate { 8097c478bd9Sstevel@tonic-gate int resv_part = -1; 8107c478bd9Sstevel@tonic-gate int i, j; 8117c478bd9Sstevel@tonic-gate diskaddr_t istart, jstart, isize, jsize, endsect; 8127c478bd9Sstevel@tonic-gate 8137c478bd9Sstevel@tonic-gate /* 8147c478bd9Sstevel@tonic-gate * Sanity-check the input (make sure no partitions overlap) 8157c478bd9Sstevel@tonic-gate */ 8167c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 8177c478bd9Sstevel@tonic-gate /* It can't be unassigned and have an actual size */ 8187c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_tag == V_UNASSIGNED) && 8197c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_size != 0)) { 8207c478bd9Sstevel@tonic-gate if (efi_debug) { 8217c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 8227c478bd9Sstevel@tonic-gate "partition %d is \"unassigned\" but has a size of %llu", 8237c478bd9Sstevel@tonic-gate i, 8247c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size); 8257c478bd9Sstevel@tonic-gate } 8267c478bd9Sstevel@tonic-gate return (VT_EINVAL); 8277c478bd9Sstevel@tonic-gate } 8287c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) { 829f2be5148Sszhou if (uuid_is_null((uchar_t *)&vtoc->efi_parts[i].p_guid)) 830f2be5148Sszhou continue; 831f2be5148Sszhou /* we have encountered an unknown uuid */ 832f2be5148Sszhou vtoc->efi_parts[i].p_tag = 0xff; 8337c478bd9Sstevel@tonic-gate } 8347c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_RESERVED) { 8357c478bd9Sstevel@tonic-gate if (resv_part != -1) { 8367c478bd9Sstevel@tonic-gate if (efi_debug) { 837af007057Syl (void) fprintf(stderr, 8387c478bd9Sstevel@tonic-gate "found duplicate reserved partition at %d\n", 839af007057Syl i); 8407c478bd9Sstevel@tonic-gate } 8417c478bd9Sstevel@tonic-gate return (VT_EINVAL); 8427c478bd9Sstevel@tonic-gate } 8437c478bd9Sstevel@tonic-gate resv_part = i; 8447c478bd9Sstevel@tonic-gate } 8457c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start < vtoc->efi_first_u_lba) || 8467c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start > vtoc->efi_last_u_lba)) { 8477c478bd9Sstevel@tonic-gate if (efi_debug) { 8487c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 8497c478bd9Sstevel@tonic-gate "Partition %d starts at %llu. ", 8507c478bd9Sstevel@tonic-gate i, 8517c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start); 8527c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 8537c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 8547c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 8557c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 8567c478bd9Sstevel@tonic-gate } 8577c478bd9Sstevel@tonic-gate return (VT_EINVAL); 8587c478bd9Sstevel@tonic-gate } 8597c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start + 8607c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size < 8617c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba) || 8627c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start + 8637c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size > 8647c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba + 1)) { 8657c478bd9Sstevel@tonic-gate if (efi_debug) { 8667c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 8677c478bd9Sstevel@tonic-gate "Partition %d ends at %llu. ", 8687c478bd9Sstevel@tonic-gate i, 8697c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start + 8707c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size); 8717c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 8727c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 8737c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 8747c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 8757c478bd9Sstevel@tonic-gate } 8767c478bd9Sstevel@tonic-gate return (VT_EINVAL); 8777c478bd9Sstevel@tonic-gate } 8787c478bd9Sstevel@tonic-gate 8797c478bd9Sstevel@tonic-gate for (j = 0; j < vtoc->efi_nparts; j++) { 8807c478bd9Sstevel@tonic-gate isize = vtoc->efi_parts[i].p_size; 8817c478bd9Sstevel@tonic-gate jsize = vtoc->efi_parts[j].p_size; 8827c478bd9Sstevel@tonic-gate istart = vtoc->efi_parts[i].p_start; 8837c478bd9Sstevel@tonic-gate jstart = vtoc->efi_parts[j].p_start; 8847c478bd9Sstevel@tonic-gate if ((i != j) && (isize != 0) && (jsize != 0)) { 8857c478bd9Sstevel@tonic-gate endsect = jstart + jsize -1; 8867c478bd9Sstevel@tonic-gate if ((jstart <= istart) && 8877c478bd9Sstevel@tonic-gate (istart <= endsect)) { 8887c478bd9Sstevel@tonic-gate if (efi_debug) { 8897c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 8907c478bd9Sstevel@tonic-gate "Partition %d overlaps partition %d.", 8917c478bd9Sstevel@tonic-gate i, j); 892af007057Syl } 893af007057Syl return (VT_EINVAL); 8947c478bd9Sstevel@tonic-gate } 8957c478bd9Sstevel@tonic-gate } 8967c478bd9Sstevel@tonic-gate } 8977c478bd9Sstevel@tonic-gate } 8987c478bd9Sstevel@tonic-gate /* just a warning for now */ 8997c478bd9Sstevel@tonic-gate if ((resv_part == -1) && efi_debug) { 9007c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 901af007057Syl "no reserved partition found\n"); 9027c478bd9Sstevel@tonic-gate } 9037c478bd9Sstevel@tonic-gate return (0); 9047c478bd9Sstevel@tonic-gate } 9057c478bd9Sstevel@tonic-gate 906af007057Syl /* 907af007057Syl * add all the unallocated space to the current label 908af007057Syl */ 909af007057Syl int 910af007057Syl efi_use_whole_disk(int fd) 911af007057Syl { 912af007057Syl struct dk_gpt *efi_label; 913af007057Syl int rval; 914af007057Syl int i; 915af007057Syl uint_t phy_last_slice = 0; 916af007057Syl diskaddr_t pl_start = 0; 917af007057Syl diskaddr_t pl_size; 918af007057Syl 919af007057Syl rval = efi_alloc_and_read(fd, &efi_label); 920af007057Syl if (rval < 0) { 921af007057Syl return (rval); 922af007057Syl } 923af007057Syl 924af007057Syl /* find the last physically non-zero partition */ 925af007057Syl for (i = 0; i < efi_label->efi_nparts - 2; i ++) { 926af007057Syl if (pl_start < efi_label->efi_parts[i].p_start) { 927af007057Syl pl_start = efi_label->efi_parts[i].p_start; 928af007057Syl phy_last_slice = i; 929af007057Syl } 930af007057Syl } 931af007057Syl pl_size = efi_label->efi_parts[phy_last_slice].p_size; 932af007057Syl 933af007057Syl /* 934af007057Syl * If alter_lba is 1, we are using the backup label. 935af007057Syl * Since we can locate the backup label by disk capacity, 936af007057Syl * there must be no unallocated space. 937af007057Syl */ 938af007057Syl if ((efi_label->efi_altern_lba == 1) || (efi_label->efi_altern_lba 939af007057Syl >= efi_label->efi_last_lba)) { 940af007057Syl if (efi_debug) { 941af007057Syl (void) fprintf(stderr, 942af007057Syl "efi_use_whole_disk: requested space not found\n"); 943af007057Syl } 944af007057Syl efi_free(efi_label); 945af007057Syl return (VT_ENOSPC); 946af007057Syl } 947af007057Syl 948af007057Syl /* 949af007057Syl * If there is space between the last physically non-zero partition 950af007057Syl * and the reserved partition, just add the unallocated space to this 951af007057Syl * area. Otherwise, the unallocated space is added to the last 952af007057Syl * physically non-zero partition. 953af007057Syl */ 954af007057Syl if (pl_start + pl_size - 1 == efi_label->efi_last_u_lba - 955*62ce8e2eSToomas Soome efi_reserved_sectors(efi_label)) { 956af007057Syl efi_label->efi_parts[phy_last_slice].p_size += 957af007057Syl efi_label->efi_last_lba - efi_label->efi_altern_lba; 958af007057Syl } 959af007057Syl 960af007057Syl /* 961af007057Syl * Move the reserved partition. There is currently no data in 962af007057Syl * here except fabricated devids (which get generated via 963af007057Syl * efi_write()). So there is no need to copy data. 964af007057Syl */ 965af007057Syl efi_label->efi_parts[efi_label->efi_nparts - 1].p_start += 966af007057Syl efi_label->efi_last_lba - efi_label->efi_altern_lba; 967af007057Syl efi_label->efi_last_u_lba += efi_label->efi_last_lba 968af007057Syl - efi_label->efi_altern_lba; 969af007057Syl 970af007057Syl rval = efi_write(fd, efi_label); 971af007057Syl if (rval < 0) { 972af007057Syl if (efi_debug) { 973af007057Syl (void) fprintf(stderr, 974af007057Syl "efi_use_whole_disk:fail to write label, rval=%d\n", 975af007057Syl rval); 976af007057Syl } 977af007057Syl efi_free(efi_label); 978af007057Syl return (rval); 979af007057Syl } 980af007057Syl 981af007057Syl efi_free(efi_label); 982af007057Syl return (0); 983af007057Syl } 984af007057Syl 985af007057Syl 9867c478bd9Sstevel@tonic-gate /* 9877c478bd9Sstevel@tonic-gate * write EFI label and backup label 9887c478bd9Sstevel@tonic-gate */ 9897c478bd9Sstevel@tonic-gate int 9907c478bd9Sstevel@tonic-gate efi_write(int fd, struct dk_gpt *vtoc) 9917c478bd9Sstevel@tonic-gate { 9927c478bd9Sstevel@tonic-gate dk_efi_t dk_ioc; 9937c478bd9Sstevel@tonic-gate efi_gpt_t *efi; 9947c478bd9Sstevel@tonic-gate efi_gpe_t *efi_parts; 9957c478bd9Sstevel@tonic-gate int i, j; 9967c478bd9Sstevel@tonic-gate struct dk_cinfo dki_info; 99786bbaf93Scg int nblocks; 99886bbaf93Scg diskaddr_t lba_backup_gpt_hdr; 9997c478bd9Sstevel@tonic-gate 10007c478bd9Sstevel@tonic-gate if (ioctl(fd, DKIOCINFO, (caddr_t)&dki_info) == -1) { 10017c478bd9Sstevel@tonic-gate if (efi_debug) 10027c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "DKIOCINFO errno 0x%x\n", errno); 10037c478bd9Sstevel@tonic-gate switch (errno) { 10047c478bd9Sstevel@tonic-gate case EIO: 10057c478bd9Sstevel@tonic-gate return (VT_EIO); 10067c478bd9Sstevel@tonic-gate case EINVAL: 10077c478bd9Sstevel@tonic-gate return (VT_EINVAL); 10087c478bd9Sstevel@tonic-gate default: 10097c478bd9Sstevel@tonic-gate return (VT_ERROR); 10107c478bd9Sstevel@tonic-gate } 10117c478bd9Sstevel@tonic-gate } 10127c478bd9Sstevel@tonic-gate 10135f10ef69SYuri Pankov if (check_input(vtoc)) 10145f10ef69SYuri Pankov return (VT_EINVAL); 10157c478bd9Sstevel@tonic-gate 10167c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = 1; 10177c478bd9Sstevel@tonic-gate if (NBLOCKS(vtoc->efi_nparts, vtoc->efi_lbasize) < 34) { 10187c478bd9Sstevel@tonic-gate dk_ioc.dki_length = EFI_MIN_ARRAY_SIZE + vtoc->efi_lbasize; 10197c478bd9Sstevel@tonic-gate } else { 10207c478bd9Sstevel@tonic-gate dk_ioc.dki_length = NBLOCKS(vtoc->efi_nparts, 1021af007057Syl vtoc->efi_lbasize) * 1022af007057Syl vtoc->efi_lbasize; 10237c478bd9Sstevel@tonic-gate } 10247c478bd9Sstevel@tonic-gate 102586bbaf93Scg /* 102686bbaf93Scg * the number of blocks occupied by GUID partition entry array 102786bbaf93Scg */ 102886bbaf93Scg nblocks = dk_ioc.dki_length / vtoc->efi_lbasize - 1; 102986bbaf93Scg 103086bbaf93Scg /* 103186bbaf93Scg * Backup GPT header is located on the block after GUID 103286bbaf93Scg * partition entry array. Here, we calculate the address 103386bbaf93Scg * for backup GPT header. 103486bbaf93Scg */ 103586bbaf93Scg lba_backup_gpt_hdr = vtoc->efi_last_u_lba + 1 + nblocks; 10361b58875aSJohn Levon if ((dk_ioc.dki_data = calloc(1, dk_ioc.dki_length)) == NULL) 10377c478bd9Sstevel@tonic-gate return (VT_ERROR); 10387c478bd9Sstevel@tonic-gate 10397c478bd9Sstevel@tonic-gate efi = dk_ioc.dki_data; 10407c478bd9Sstevel@tonic-gate 10417c478bd9Sstevel@tonic-gate /* stuff user's input into EFI struct */ 10427c478bd9Sstevel@tonic-gate efi->efi_gpt_Signature = LE_64(EFI_SIGNATURE); 10437c478bd9Sstevel@tonic-gate efi->efi_gpt_Revision = LE_32(vtoc->efi_version); /* 0x02000100 */ 1044fd797736SJohn Levon efi->efi_gpt_HeaderSize = LE_32(EFI_HEADER_SIZE); 10457c478bd9Sstevel@tonic-gate efi->efi_gpt_Reserved1 = 0; 10467c478bd9Sstevel@tonic-gate efi->efi_gpt_MyLBA = LE_64(1ULL); 104786bbaf93Scg efi->efi_gpt_AlternateLBA = LE_64(lba_backup_gpt_hdr); 10487c478bd9Sstevel@tonic-gate efi->efi_gpt_FirstUsableLBA = LE_64(vtoc->efi_first_u_lba); 10497c478bd9Sstevel@tonic-gate efi->efi_gpt_LastUsableLBA = LE_64(vtoc->efi_last_u_lba); 10507c478bd9Sstevel@tonic-gate efi->efi_gpt_PartitionEntryLBA = LE_64(2ULL); 10517c478bd9Sstevel@tonic-gate efi->efi_gpt_NumberOfPartitionEntries = LE_32(vtoc->efi_nparts); 10527c478bd9Sstevel@tonic-gate efi->efi_gpt_SizeOfPartitionEntry = LE_32(sizeof (struct efi_gpe)); 10537c478bd9Sstevel@tonic-gate UUID_LE_CONVERT(efi->efi_gpt_DiskGUID, vtoc->efi_disk_uguid); 10547c478bd9Sstevel@tonic-gate 10557c478bd9Sstevel@tonic-gate /* LINTED -- always longlong aligned */ 105665908c77Syu, larry liu - Sun Microsystems - Beijing China efi_parts = (efi_gpe_t *)((char *)dk_ioc.dki_data + vtoc->efi_lbasize); 10577c478bd9Sstevel@tonic-gate 10587c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 1059af007057Syl for (j = 0; 1060af007057Syl j < sizeof (conversion_array) / 1061af007057Syl sizeof (struct uuid_to_ptag); j++) { 1062af007057Syl 1063d06952d0SToomas Soome if (vtoc->efi_parts[i].p_tag == 1064d06952d0SToomas Soome conversion_array[j].p_tag) { 1065af007057Syl UUID_LE_CONVERT( 1066af007057Syl efi_parts[i].efi_gpe_PartitionTypeGUID, 1067af007057Syl conversion_array[j].uuid); 1068af007057Syl break; 1069af007057Syl } 1070af007057Syl } 1071af007057Syl 1072af007057Syl if (j == sizeof (conversion_array) / 1073af007057Syl sizeof (struct uuid_to_ptag)) { 1074af007057Syl /* 1075af007057Syl * If we didn't have a matching uuid match, bail here. 1076af007057Syl * Don't write a label with unknown uuid. 1077af007057Syl */ 1078af007057Syl if (efi_debug) { 1079af007057Syl (void) fprintf(stderr, 1080af007057Syl "Unknown uuid for p_tag %d\n", 1081af007057Syl vtoc->efi_parts[i].p_tag); 1082af007057Syl } 1083af007057Syl return (VT_EINVAL); 1084af007057Syl } 1085af007057Syl 1086af007057Syl efi_parts[i].efi_gpe_StartingLBA = 1087af007057Syl LE_64(vtoc->efi_parts[i].p_start); 1088af007057Syl efi_parts[i].efi_gpe_EndingLBA = 1089af007057Syl LE_64(vtoc->efi_parts[i].p_start + 1090af007057Syl vtoc->efi_parts[i].p_size - 1); 1091af007057Syl efi_parts[i].efi_gpe_Attributes.PartitionAttrs = 10927c478bd9Sstevel@tonic-gate LE_16(vtoc->efi_parts[i].p_flag); 1093af007057Syl for (j = 0; j < EFI_PART_NAME_LEN; j++) { 1094af007057Syl efi_parts[i].efi_gpe_PartitionName[j] = 1095af007057Syl LE_16((ushort_t)vtoc->efi_parts[i].p_name[j]); 1096af007057Syl } 1097af007057Syl if ((vtoc->efi_parts[i].p_tag != V_UNASSIGNED) && 1098af007057Syl uuid_is_null((uchar_t *)&vtoc->efi_parts[i].p_uguid)) { 1099af007057Syl (void) uuid_generate((uchar_t *) 1100af007057Syl &vtoc->efi_parts[i].p_uguid); 1101af007057Syl } 1102af007057Syl bcopy(&vtoc->efi_parts[i].p_uguid, 1103af007057Syl &efi_parts[i].efi_gpe_UniquePartitionGUID, 1104af007057Syl sizeof (uuid_t)); 11057c478bd9Sstevel@tonic-gate } 11067c478bd9Sstevel@tonic-gate efi->efi_gpt_PartitionEntryArrayCRC32 = 11077c478bd9Sstevel@tonic-gate LE_32(efi_crc32((unsigned char *)efi_parts, 11087c478bd9Sstevel@tonic-gate vtoc->efi_nparts * (int)sizeof (struct efi_gpe))); 1109fd797736SJohn Levon efi->efi_gpt_HeaderCRC32 = LE_32(efi_crc32((unsigned char *)efi, 1110fd797736SJohn Levon EFI_HEADER_SIZE)); 11117c478bd9Sstevel@tonic-gate 11127c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 11137c478bd9Sstevel@tonic-gate free(dk_ioc.dki_data); 11147c478bd9Sstevel@tonic-gate switch (errno) { 11157c478bd9Sstevel@tonic-gate case EIO: 11167c478bd9Sstevel@tonic-gate return (VT_EIO); 11177c478bd9Sstevel@tonic-gate case EINVAL: 11187c478bd9Sstevel@tonic-gate return (VT_EINVAL); 11197c478bd9Sstevel@tonic-gate default: 11207c478bd9Sstevel@tonic-gate return (VT_ERROR); 11217c478bd9Sstevel@tonic-gate } 11227c478bd9Sstevel@tonic-gate } 112365908c77Syu, larry liu - Sun Microsystems - Beijing China 11247c478bd9Sstevel@tonic-gate /* write backup partition array */ 11257c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = vtoc->efi_last_u_lba + 1; 11267c478bd9Sstevel@tonic-gate dk_ioc.dki_length -= vtoc->efi_lbasize; 112765908c77Syu, larry liu - Sun Microsystems - Beijing China /* LINTED */ 112865908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data + 112965908c77Syu, larry liu - Sun Microsystems - Beijing China vtoc->efi_lbasize); 113065908c77Syu, larry liu - Sun Microsystems - Beijing China 11317c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 11327c478bd9Sstevel@tonic-gate /* 11337c478bd9Sstevel@tonic-gate * we wrote the primary label okay, so don't fail 11347c478bd9Sstevel@tonic-gate */ 11357c478bd9Sstevel@tonic-gate if (efi_debug) { 11367c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11377c478bd9Sstevel@tonic-gate "write of backup partitions to block %llu " 11387c478bd9Sstevel@tonic-gate "failed, errno %d\n", 11397c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba + 1, 11407c478bd9Sstevel@tonic-gate errno); 11417c478bd9Sstevel@tonic-gate } 11427c478bd9Sstevel@tonic-gate } 11437c478bd9Sstevel@tonic-gate /* 11447c478bd9Sstevel@tonic-gate * now swap MyLBA and AlternateLBA fields and write backup 11457c478bd9Sstevel@tonic-gate * partition table header 11467c478bd9Sstevel@tonic-gate */ 114786bbaf93Scg dk_ioc.dki_lba = lba_backup_gpt_hdr; 11487c478bd9Sstevel@tonic-gate dk_ioc.dki_length = vtoc->efi_lbasize; 114965908c77Syu, larry liu - Sun Microsystems - Beijing China /* LINTED */ 115065908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data - 115165908c77Syu, larry liu - Sun Microsystems - Beijing China vtoc->efi_lbasize); 11527c478bd9Sstevel@tonic-gate efi->efi_gpt_AlternateLBA = LE_64(1ULL); 115386bbaf93Scg efi->efi_gpt_MyLBA = LE_64(lba_backup_gpt_hdr); 11547c478bd9Sstevel@tonic-gate efi->efi_gpt_PartitionEntryLBA = LE_64(vtoc->efi_last_u_lba + 1); 11557c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 0; 11567c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 1157fd797736SJohn Levon LE_32(efi_crc32((unsigned char *)dk_ioc.dki_data, EFI_HEADER_SIZE)); 11587c478bd9Sstevel@tonic-gate 11597c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 11607c478bd9Sstevel@tonic-gate if (efi_debug) { 11617c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11627c478bd9Sstevel@tonic-gate "write of backup header to block %llu failed, " 11637c478bd9Sstevel@tonic-gate "errno %d\n", 116486bbaf93Scg lba_backup_gpt_hdr, 11657c478bd9Sstevel@tonic-gate errno); 11667c478bd9Sstevel@tonic-gate } 11677c478bd9Sstevel@tonic-gate } 11687c478bd9Sstevel@tonic-gate /* write the PMBR */ 11697c478bd9Sstevel@tonic-gate (void) write_pmbr(fd, vtoc); 11707c478bd9Sstevel@tonic-gate free(dk_ioc.dki_data); 11717c478bd9Sstevel@tonic-gate return (0); 11727c478bd9Sstevel@tonic-gate } 11737c478bd9Sstevel@tonic-gate 11747c478bd9Sstevel@tonic-gate void 11757c478bd9Sstevel@tonic-gate efi_free(struct dk_gpt *ptr) 11767c478bd9Sstevel@tonic-gate { 11777c478bd9Sstevel@tonic-gate free(ptr); 11787c478bd9Sstevel@tonic-gate } 11797c478bd9Sstevel@tonic-gate 11807c478bd9Sstevel@tonic-gate /* 11817c478bd9Sstevel@tonic-gate * Input: File descriptor 1182342440ecSPrasad Singamsetty * Output: 1 if disk has an EFI label, or > 2TB with no VTOC or legacy MBR. 1183342440ecSPrasad Singamsetty * Otherwise 0. 11847c478bd9Sstevel@tonic-gate */ 11857c478bd9Sstevel@tonic-gate int 11867c478bd9Sstevel@tonic-gate efi_type(int fd) 11877c478bd9Sstevel@tonic-gate { 11887c478bd9Sstevel@tonic-gate struct vtoc vtoc; 1189342440ecSPrasad Singamsetty struct extvtoc extvtoc; 11907c478bd9Sstevel@tonic-gate 1191342440ecSPrasad Singamsetty if (ioctl(fd, DKIOCGEXTVTOC, &extvtoc) == -1) { 1192342440ecSPrasad Singamsetty if (errno == ENOTSUP) 11937c478bd9Sstevel@tonic-gate return (1); 1194342440ecSPrasad Singamsetty else if (errno == ENOTTY) { 1195342440ecSPrasad Singamsetty if (ioctl(fd, DKIOCGVTOC, &vtoc) == -1) 1196342440ecSPrasad Singamsetty if (errno == ENOTSUP) 1197342440ecSPrasad Singamsetty return (1); 11987c478bd9Sstevel@tonic-gate } 11997c478bd9Sstevel@tonic-gate } 12007c478bd9Sstevel@tonic-gate return (0); 12017c478bd9Sstevel@tonic-gate } 12027c478bd9Sstevel@tonic-gate 12037c478bd9Sstevel@tonic-gate void 12047c478bd9Sstevel@tonic-gate efi_err_check(struct dk_gpt *vtoc) 12057c478bd9Sstevel@tonic-gate { 12067c478bd9Sstevel@tonic-gate int resv_part = -1; 12077c478bd9Sstevel@tonic-gate int i, j; 12087c478bd9Sstevel@tonic-gate diskaddr_t istart, jstart, isize, jsize, endsect; 12097c478bd9Sstevel@tonic-gate int overlap = 0; 1210*62ce8e2eSToomas Soome uint_t reserved; 12117c478bd9Sstevel@tonic-gate 12127c478bd9Sstevel@tonic-gate /* 12137c478bd9Sstevel@tonic-gate * make sure no partitions overlap 12147c478bd9Sstevel@tonic-gate */ 1215*62ce8e2eSToomas Soome reserved = efi_reserved_sectors(vtoc); 12167c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 12177c478bd9Sstevel@tonic-gate /* It can't be unassigned and have an actual size */ 12187c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_tag == V_UNASSIGNED) && 12197c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_size != 0)) { 12207c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 12217c478bd9Sstevel@tonic-gate "partition %d is \"unassigned\" but has a size " 12227c478bd9Sstevel@tonic-gate "of %llu\n", i, vtoc->efi_parts[i].p_size); 12237c478bd9Sstevel@tonic-gate } 12247c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) { 12257c478bd9Sstevel@tonic-gate continue; 12267c478bd9Sstevel@tonic-gate } 12277c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_RESERVED) { 12287c478bd9Sstevel@tonic-gate if (resv_part != -1) { 12297c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 12307c478bd9Sstevel@tonic-gate "found duplicate reserved partition at " 12317c478bd9Sstevel@tonic-gate "%d\n", i); 12327c478bd9Sstevel@tonic-gate } 12337c478bd9Sstevel@tonic-gate resv_part = i; 1234*62ce8e2eSToomas Soome if (vtoc->efi_parts[i].p_size != reserved) 12357c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 12367c478bd9Sstevel@tonic-gate "Warning: reserved partition size must " 1237*62ce8e2eSToomas Soome "be %u sectors\n", reserved); 12387c478bd9Sstevel@tonic-gate } 12397c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start < vtoc->efi_first_u_lba) || 12407c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start > vtoc->efi_last_u_lba)) { 12417c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 12427c478bd9Sstevel@tonic-gate "Partition %d starts at %llu\n", 12437c478bd9Sstevel@tonic-gate i, 12447c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start); 12457c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 12467c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 12477c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 12487c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 12497c478bd9Sstevel@tonic-gate } 12507c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start + 12517c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size < 12527c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba) || 12537c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start + 12547c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size > 12557c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba + 1)) { 12567c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 12577c478bd9Sstevel@tonic-gate "Partition %d ends at %llu\n", 12587c478bd9Sstevel@tonic-gate i, 12597c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start + 12607c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size); 12617c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 12627c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 12637c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 12647c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 12657c478bd9Sstevel@tonic-gate } 12667c478bd9Sstevel@tonic-gate 12677c478bd9Sstevel@tonic-gate for (j = 0; j < vtoc->efi_nparts; j++) { 12687c478bd9Sstevel@tonic-gate isize = vtoc->efi_parts[i].p_size; 12697c478bd9Sstevel@tonic-gate jsize = vtoc->efi_parts[j].p_size; 12707c478bd9Sstevel@tonic-gate istart = vtoc->efi_parts[i].p_start; 12717c478bd9Sstevel@tonic-gate jstart = vtoc->efi_parts[j].p_start; 12727c478bd9Sstevel@tonic-gate if ((i != j) && (isize != 0) && (jsize != 0)) { 12737c478bd9Sstevel@tonic-gate endsect = jstart + jsize -1; 12747c478bd9Sstevel@tonic-gate if ((jstart <= istart) && 12757c478bd9Sstevel@tonic-gate (istart <= endsect)) { 12767c478bd9Sstevel@tonic-gate if (!overlap) { 12777c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 12787c478bd9Sstevel@tonic-gate "label error: EFI Labels do not " 12797c478bd9Sstevel@tonic-gate "support overlapping partitions\n"); 12807c478bd9Sstevel@tonic-gate } 12817c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 12827c478bd9Sstevel@tonic-gate "Partition %d overlaps partition " 12837c478bd9Sstevel@tonic-gate "%d.\n", i, j); 12847c478bd9Sstevel@tonic-gate overlap = 1; 12857c478bd9Sstevel@tonic-gate } 12867c478bd9Sstevel@tonic-gate } 12877c478bd9Sstevel@tonic-gate } 12887c478bd9Sstevel@tonic-gate } 12897c478bd9Sstevel@tonic-gate /* make sure there is a reserved partition */ 12907c478bd9Sstevel@tonic-gate if (resv_part == -1) { 12917c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 1292af007057Syl "no reserved partition found\n"); 12937c478bd9Sstevel@tonic-gate } 12947c478bd9Sstevel@tonic-gate } 12957c478bd9Sstevel@tonic-gate 12967c478bd9Sstevel@tonic-gate /* 12977c478bd9Sstevel@tonic-gate * We need to get information necessary to construct a *new* efi 12987c478bd9Sstevel@tonic-gate * label type 12997c478bd9Sstevel@tonic-gate */ 13007c478bd9Sstevel@tonic-gate int 13017c478bd9Sstevel@tonic-gate efi_auto_sense(int fd, struct dk_gpt **vtoc) 13027c478bd9Sstevel@tonic-gate { 13037c478bd9Sstevel@tonic-gate 13047c478bd9Sstevel@tonic-gate int i; 13057c478bd9Sstevel@tonic-gate 13067c478bd9Sstevel@tonic-gate /* 13077c478bd9Sstevel@tonic-gate * Now build the default partition table 13087c478bd9Sstevel@tonic-gate */ 13097c478bd9Sstevel@tonic-gate if (efi_alloc_and_init(fd, EFI_NUMPAR, vtoc) != 0) { 13107c478bd9Sstevel@tonic-gate if (efi_debug) { 13117c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "efi_alloc_and_init failed.\n"); 13127c478bd9Sstevel@tonic-gate } 13137c478bd9Sstevel@tonic-gate return (-1); 13147c478bd9Sstevel@tonic-gate } 13157c478bd9Sstevel@tonic-gate 13167c478bd9Sstevel@tonic-gate for (i = 0; i < min((*vtoc)->efi_nparts, V_NUMPAR); i++) { 13177c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_tag = default_vtoc_map[i].p_tag; 13187c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_flag = default_vtoc_map[i].p_flag; 13197c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_start = 0; 13207c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_size = 0; 13217c478bd9Sstevel@tonic-gate } 13227c478bd9Sstevel@tonic-gate /* 13237c478bd9Sstevel@tonic-gate * Make constants first 13247c478bd9Sstevel@tonic-gate * and variable partitions later 13257c478bd9Sstevel@tonic-gate */ 13267c478bd9Sstevel@tonic-gate 13277c478bd9Sstevel@tonic-gate /* root partition - s0 128 MB */ 13287c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[0].p_start = 34; 13297c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[0].p_size = 262144; 13307c478bd9Sstevel@tonic-gate 13317c478bd9Sstevel@tonic-gate /* partition - s1 128 MB */ 13327c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[1].p_start = 262178; 13337c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[1].p_size = 262144; 13347c478bd9Sstevel@tonic-gate 13357c478bd9Sstevel@tonic-gate /* partition -s2 is NOT the Backup disk */ 13367c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[2].p_tag = V_UNASSIGNED; 13377c478bd9Sstevel@tonic-gate 13387c478bd9Sstevel@tonic-gate /* partition -s6 /usr partition - HOG */ 13397c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[6].p_start = 524322; 13407c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[6].p_size = (*vtoc)->efi_last_u_lba - 524322 13417c478bd9Sstevel@tonic-gate - (1024 * 16); 13427c478bd9Sstevel@tonic-gate 13437c478bd9Sstevel@tonic-gate /* efi reserved partition - s9 16K */ 13447c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[8].p_start = (*vtoc)->efi_last_u_lba - (1024 * 16); 13457c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[8].p_size = (1024 * 16); 13467c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[8].p_tag = V_RESERVED; 13477c478bd9Sstevel@tonic-gate return (0); 13487c478bd9Sstevel@tonic-gate } 1349