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. 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> 347e934d3aSAndy 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 1207e934d3aSAndy Fiddaman #define EFI_FIXES_DB "/usr/share/hwdata/efi.fixes" 1217e934d3aSAndy 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; 214*fe12dc75SToomas Soome struct mboot *mbr; 215*fe12dc75SToomas Soome struct ipart *ipart; 216*fe12dc75SToomas Soome diskaddr_t capacity; 217*fe12dc75SToomas Soome uint_t lbsize; 218*fe12dc75SToomas Soome int i; 219*fe12dc75SToomas Soome 220*fe12dc75SToomas Soome if (read_disk_info(fd, &capacity, &lbsize) != 0) 221*fe12dc75SToomas Soome return (VT_ERROR); 222*fe12dc75SToomas Soome 223*fe12dc75SToomas Soome if ((mbr = calloc(lbsize, 1)) == NULL) 224*fe12dc75SToomas Soome return (VT_ERROR); 225*fe12dc75SToomas Soome 226*fe12dc75SToomas Soome if ((ioctl(fd, DKIOCGMBOOT, (caddr_t)mbr)) == -1) { 227*fe12dc75SToomas Soome free(mbr); 228*fe12dc75SToomas Soome return (VT_ERROR); 229*fe12dc75SToomas Soome } 230*fe12dc75SToomas Soome 231*fe12dc75SToomas Soome if (mbr->signature != MBB_MAGIC) { 232*fe12dc75SToomas Soome free(mbr); 233*fe12dc75SToomas Soome return (VT_EINVAL); 234*fe12dc75SToomas Soome } 235*fe12dc75SToomas Soome ipart = (struct ipart *)(uintptr_t)mbr->parts; 236*fe12dc75SToomas Soome 237*fe12dc75SToomas Soome /* Check if we have partition with ID EFI_PMBR */ 238*fe12dc75SToomas Soome for (i = 0; i < FD_NUMPART; i++) { 239*fe12dc75SToomas Soome if (ipart[i].systid == EFI_PMBR) 240*fe12dc75SToomas Soome break; 241*fe12dc75SToomas Soome } 242*fe12dc75SToomas Soome free(mbr); 243*fe12dc75SToomas Soome if (i == FD_NUMPART) 244*fe12dc75SToomas Soome return (VT_EINVAL); 2457c478bd9Sstevel@tonic-gate 2467c478bd9Sstevel@tonic-gate /* figure out the number of entries that would fit into 16K */ 2477c478bd9Sstevel@tonic-gate nparts = EFI_MIN_ARRAY_SIZE / sizeof (efi_gpe_t); 2487c478bd9Sstevel@tonic-gate length = (int) sizeof (struct dk_gpt) + 249af007057Syl (int) sizeof (struct dk_part) * (nparts - 1); 2507c478bd9Sstevel@tonic-gate if ((*vtoc = calloc(length, 1)) == NULL) 2517c478bd9Sstevel@tonic-gate return (VT_ERROR); 2527c478bd9Sstevel@tonic-gate 2537c478bd9Sstevel@tonic-gate (*vtoc)->efi_nparts = nparts; 2547c478bd9Sstevel@tonic-gate rval = efi_read(fd, *vtoc); 2557c478bd9Sstevel@tonic-gate 2567c478bd9Sstevel@tonic-gate if ((rval == VT_EINVAL) && (*vtoc)->efi_nparts > nparts) { 2577c478bd9Sstevel@tonic-gate void *tmp; 2587c478bd9Sstevel@tonic-gate length = (int) sizeof (struct dk_gpt) + 259af007057Syl (int) sizeof (struct dk_part) * 260af007057Syl ((*vtoc)->efi_nparts - 1); 2617c478bd9Sstevel@tonic-gate nparts = (*vtoc)->efi_nparts; 2627c478bd9Sstevel@tonic-gate if ((tmp = realloc(*vtoc, length)) == NULL) { 2637c478bd9Sstevel@tonic-gate free (*vtoc); 2647c478bd9Sstevel@tonic-gate *vtoc = NULL; 2657c478bd9Sstevel@tonic-gate return (VT_ERROR); 2667c478bd9Sstevel@tonic-gate } else { 2677c478bd9Sstevel@tonic-gate *vtoc = tmp; 2687c478bd9Sstevel@tonic-gate rval = efi_read(fd, *vtoc); 2697c478bd9Sstevel@tonic-gate } 2707c478bd9Sstevel@tonic-gate } 2717c478bd9Sstevel@tonic-gate 2727c478bd9Sstevel@tonic-gate if (rval < 0) { 2737c478bd9Sstevel@tonic-gate if (efi_debug) { 2747c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 2757c478bd9Sstevel@tonic-gate "read of EFI table failed, rval=%d\n", rval); 2767c478bd9Sstevel@tonic-gate } 2777c478bd9Sstevel@tonic-gate free (*vtoc); 2787c478bd9Sstevel@tonic-gate *vtoc = NULL; 2797c478bd9Sstevel@tonic-gate } 2807c478bd9Sstevel@tonic-gate 2817c478bd9Sstevel@tonic-gate return (rval); 2827c478bd9Sstevel@tonic-gate } 2837c478bd9Sstevel@tonic-gate 2847c478bd9Sstevel@tonic-gate static int 2857c478bd9Sstevel@tonic-gate efi_ioctl(int fd, int cmd, dk_efi_t *dk_ioc) 2867c478bd9Sstevel@tonic-gate { 2877c478bd9Sstevel@tonic-gate void *data = dk_ioc->dki_data; 2887c478bd9Sstevel@tonic-gate int error; 2897c478bd9Sstevel@tonic-gate 2907c478bd9Sstevel@tonic-gate dk_ioc->dki_data_64 = (uint64_t)(uintptr_t)data; 2917c478bd9Sstevel@tonic-gate error = ioctl(fd, cmd, (void *)dk_ioc); 2927c478bd9Sstevel@tonic-gate dk_ioc->dki_data = data; 2937c478bd9Sstevel@tonic-gate 2947c478bd9Sstevel@tonic-gate return (error); 2957c478bd9Sstevel@tonic-gate } 2967c478bd9Sstevel@tonic-gate 2977c478bd9Sstevel@tonic-gate static int 2987c478bd9Sstevel@tonic-gate check_label(int fd, dk_efi_t *dk_ioc) 2997c478bd9Sstevel@tonic-gate { 3007c478bd9Sstevel@tonic-gate efi_gpt_t *efi; 3017c478bd9Sstevel@tonic-gate uint_t crc; 3027c478bd9Sstevel@tonic-gate 3037c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCGETEFI, dk_ioc) == -1) { 3047c478bd9Sstevel@tonic-gate switch (errno) { 3057c478bd9Sstevel@tonic-gate case EIO: 3067c478bd9Sstevel@tonic-gate return (VT_EIO); 3077c478bd9Sstevel@tonic-gate default: 3087c478bd9Sstevel@tonic-gate return (VT_ERROR); 3097c478bd9Sstevel@tonic-gate } 3107c478bd9Sstevel@tonic-gate } 3117c478bd9Sstevel@tonic-gate efi = dk_ioc->dki_data; 3127c478bd9Sstevel@tonic-gate if (efi->efi_gpt_Signature != LE_64(EFI_SIGNATURE)) { 3137c478bd9Sstevel@tonic-gate if (efi_debug) 3147c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 3157c478bd9Sstevel@tonic-gate "Bad EFI signature: 0x%llx != 0x%llx\n", 3167c478bd9Sstevel@tonic-gate (long long)efi->efi_gpt_Signature, 3177c478bd9Sstevel@tonic-gate (long long)LE_64(EFI_SIGNATURE)); 3187c478bd9Sstevel@tonic-gate return (VT_EINVAL); 3197c478bd9Sstevel@tonic-gate } 3207c478bd9Sstevel@tonic-gate 3217c478bd9Sstevel@tonic-gate /* 3227c478bd9Sstevel@tonic-gate * check CRC of the header; the size of the header should 3237c478bd9Sstevel@tonic-gate * never be larger than one block 3247c478bd9Sstevel@tonic-gate */ 3257c478bd9Sstevel@tonic-gate crc = efi->efi_gpt_HeaderCRC32; 3267c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 0; 3277c478bd9Sstevel@tonic-gate 3287c478bd9Sstevel@tonic-gate if (((len_t)LE_32(efi->efi_gpt_HeaderSize) > dk_ioc->dki_length) || 3297c478bd9Sstevel@tonic-gate crc != LE_32(efi_crc32((unsigned char *)efi, 3307c478bd9Sstevel@tonic-gate LE_32(efi->efi_gpt_HeaderSize)))) { 3317c478bd9Sstevel@tonic-gate if (efi_debug) 3327c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 333af007057Syl "Bad EFI CRC: 0x%x != 0x%x\n", 334af007057Syl crc, 335af007057Syl LE_32(efi_crc32((unsigned char *)efi, 336af007057Syl sizeof (struct efi_gpt)))); 3377c478bd9Sstevel@tonic-gate return (VT_EINVAL); 3387c478bd9Sstevel@tonic-gate } 3397c478bd9Sstevel@tonic-gate 3407c478bd9Sstevel@tonic-gate return (0); 3417c478bd9Sstevel@tonic-gate } 3427c478bd9Sstevel@tonic-gate 3437c478bd9Sstevel@tonic-gate static int 3447c478bd9Sstevel@tonic-gate efi_read(int fd, struct dk_gpt *vtoc) 3457c478bd9Sstevel@tonic-gate { 3467c478bd9Sstevel@tonic-gate int i, j; 3477c478bd9Sstevel@tonic-gate int label_len; 3487c478bd9Sstevel@tonic-gate int rval = 0; 349d84f0041SAlexandre Chartre int vdc_flag = 0; 3507c478bd9Sstevel@tonic-gate struct dk_minfo disk_info; 3517c478bd9Sstevel@tonic-gate dk_efi_t dk_ioc; 3527c478bd9Sstevel@tonic-gate efi_gpt_t *efi; 3537c478bd9Sstevel@tonic-gate efi_gpe_t *efi_parts; 3547c478bd9Sstevel@tonic-gate struct dk_cinfo dki_info; 3557c478bd9Sstevel@tonic-gate uint32_t user_length; 35686bbaf93Scg boolean_t legacy_label = B_FALSE; 3577c478bd9Sstevel@tonic-gate 3587c478bd9Sstevel@tonic-gate /* 3597c478bd9Sstevel@tonic-gate * get the partition number for this file descriptor. 3607c478bd9Sstevel@tonic-gate */ 3617c478bd9Sstevel@tonic-gate if (ioctl(fd, DKIOCINFO, (caddr_t)&dki_info) == -1) { 362af007057Syl if (efi_debug) { 363af007057Syl (void) fprintf(stderr, "DKIOCINFO errno 0x%x\n", errno); 364af007057Syl } 3657c478bd9Sstevel@tonic-gate switch (errno) { 3667c478bd9Sstevel@tonic-gate case EIO: 3677c478bd9Sstevel@tonic-gate return (VT_EIO); 3687c478bd9Sstevel@tonic-gate case EINVAL: 3697c478bd9Sstevel@tonic-gate return (VT_EINVAL); 3707c478bd9Sstevel@tonic-gate default: 3717c478bd9Sstevel@tonic-gate return (VT_ERROR); 3727c478bd9Sstevel@tonic-gate } 3737c478bd9Sstevel@tonic-gate } 3745f10ef69SYuri Pankov 3755f10ef69SYuri Pankov if ((strncmp(dki_info.dki_cname, "vdc", 4) == 0) && 376d84f0041SAlexandre Chartre (strncmp(dki_info.dki_dname, "vdc", 4) == 0)) { 377d84f0041SAlexandre Chartre /* 378d84f0041SAlexandre Chartre * The controller and drive name "vdc" (virtual disk client) 379d84f0041SAlexandre Chartre * indicates a LDoms virtual disk. 380d84f0041SAlexandre Chartre */ 381d84f0041SAlexandre Chartre vdc_flag++; 3827c478bd9Sstevel@tonic-gate } 383d84f0041SAlexandre Chartre 3847c478bd9Sstevel@tonic-gate /* get the LBA size */ 3857c478bd9Sstevel@tonic-gate if (ioctl(fd, DKIOCGMEDIAINFO, (caddr_t)&disk_info) == -1) { 3867c478bd9Sstevel@tonic-gate if (efi_debug) { 3877c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 3887c478bd9Sstevel@tonic-gate "assuming LBA 512 bytes %d\n", 3897c478bd9Sstevel@tonic-gate errno); 3907c478bd9Sstevel@tonic-gate } 3917c478bd9Sstevel@tonic-gate disk_info.dki_lbsize = DEV_BSIZE; 3927c478bd9Sstevel@tonic-gate } 3937c478bd9Sstevel@tonic-gate if (disk_info.dki_lbsize == 0) { 3947c478bd9Sstevel@tonic-gate if (efi_debug) { 3957c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 3967c478bd9Sstevel@tonic-gate "efi_read: assuming LBA 512 bytes\n"); 3977c478bd9Sstevel@tonic-gate } 3987c478bd9Sstevel@tonic-gate disk_info.dki_lbsize = DEV_BSIZE; 3997c478bd9Sstevel@tonic-gate } 4007c478bd9Sstevel@tonic-gate /* 4017c478bd9Sstevel@tonic-gate * Read the EFI GPT to figure out how many partitions we need 4027c478bd9Sstevel@tonic-gate * to deal with. 4037c478bd9Sstevel@tonic-gate */ 4047c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = 1; 4057c478bd9Sstevel@tonic-gate if (NBLOCKS(vtoc->efi_nparts, disk_info.dki_lbsize) < 34) { 4067c478bd9Sstevel@tonic-gate label_len = EFI_MIN_ARRAY_SIZE + disk_info.dki_lbsize; 4077c478bd9Sstevel@tonic-gate } else { 4087c478bd9Sstevel@tonic-gate label_len = vtoc->efi_nparts * (int) sizeof (efi_gpe_t) + 409af007057Syl disk_info.dki_lbsize; 4107c478bd9Sstevel@tonic-gate if (label_len % disk_info.dki_lbsize) { 4117c478bd9Sstevel@tonic-gate /* pad to physical sector size */ 4127c478bd9Sstevel@tonic-gate label_len += disk_info.dki_lbsize; 4137c478bd9Sstevel@tonic-gate label_len &= ~(disk_info.dki_lbsize - 1); 4147c478bd9Sstevel@tonic-gate } 4157c478bd9Sstevel@tonic-gate } 4167c478bd9Sstevel@tonic-gate 4177c478bd9Sstevel@tonic-gate if ((dk_ioc.dki_data = calloc(label_len, 1)) == NULL) 4187c478bd9Sstevel@tonic-gate return (VT_ERROR); 4197c478bd9Sstevel@tonic-gate 420c7e1889fSyl dk_ioc.dki_length = disk_info.dki_lbsize; 4217c478bd9Sstevel@tonic-gate user_length = vtoc->efi_nparts; 4227c478bd9Sstevel@tonic-gate efi = dk_ioc.dki_data; 4235f10ef69SYuri Pankov if ((rval = check_label(fd, &dk_ioc)) == VT_EINVAL) { 42486bbaf93Scg /* 42586bbaf93Scg * No valid label here; try the alternate. Note that here 42686bbaf93Scg * we just read GPT header and save it into dk_ioc.data, 42786bbaf93Scg * Later, we will read GUID partition entry array if we 42886bbaf93Scg * can get valid GPT header. 42986bbaf93Scg */ 43086bbaf93Scg 43186bbaf93Scg /* 43286bbaf93Scg * This is a workaround for legacy systems. In the past, the 43386bbaf93Scg * last sector of SCSI disk was invisible on x86 platform. At 43486bbaf93Scg * that time, backup label was saved on the next to the last 43586bbaf93Scg * sector. It is possible for users to move a disk from previous 43686bbaf93Scg * solaris system to present system. Here, we attempt to search 43786bbaf93Scg * legacy backup EFI label first. 43886bbaf93Scg */ 43986bbaf93Scg dk_ioc.dki_lba = disk_info.dki_capacity - 2; 4407c478bd9Sstevel@tonic-gate dk_ioc.dki_length = disk_info.dki_lbsize; 4414f0dea16Scg rval = check_label(fd, &dk_ioc); 44286bbaf93Scg if (rval == VT_EINVAL) { 4434f0dea16Scg /* 44486bbaf93Scg * we didn't find legacy backup EFI label, try to 44586bbaf93Scg * search backup EFI label in the last block. 4464f0dea16Scg */ 44786bbaf93Scg dk_ioc.dki_lba = disk_info.dki_capacity - 1; 4484f0dea16Scg dk_ioc.dki_length = disk_info.dki_lbsize; 4494f0dea16Scg rval = check_label(fd, &dk_ioc); 45086bbaf93Scg if (rval == 0) { 45186bbaf93Scg legacy_label = B_TRUE; 45286bbaf93Scg if (efi_debug) 45386bbaf93Scg (void) fprintf(stderr, 45486bbaf93Scg "efi_read: primary label corrupt; " 45586bbaf93Scg "using EFI backup label located on" 45686bbaf93Scg " the last block\n"); 4574f0dea16Scg } 45886bbaf93Scg } else { 45986bbaf93Scg if ((efi_debug) && (rval == 0)) 46086bbaf93Scg (void) fprintf(stderr, "efi_read: primary label" 46186bbaf93Scg " corrupt; using legacy EFI backup label " 46286bbaf93Scg " located on the next to last block\n"); 4634f0dea16Scg } 4644f0dea16Scg 4654f0dea16Scg if (rval == 0) { 4667c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = LE_64(efi->efi_gpt_PartitionEntryLBA); 4677c478bd9Sstevel@tonic-gate vtoc->efi_flags |= EFI_GPT_PRIMARY_CORRUPT; 4687c478bd9Sstevel@tonic-gate vtoc->efi_nparts = 4697c478bd9Sstevel@tonic-gate LE_32(efi->efi_gpt_NumberOfPartitionEntries); 4707c478bd9Sstevel@tonic-gate /* 47186bbaf93Scg * Partition tables are between backup GPT header 47286bbaf93Scg * table and ParitionEntryLBA (the starting LBA of 47386bbaf93Scg * the GUID partition entries array). Now that we 47486bbaf93Scg * already got valid GPT header and saved it in 47586bbaf93Scg * dk_ioc.dki_data, we try to get GUID partition 47686bbaf93Scg * entry array here. 4777c478bd9Sstevel@tonic-gate */ 47865908c77Syu, larry liu - Sun Microsystems - Beijing China /* LINTED */ 47965908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data 48065908c77Syu, larry liu - Sun Microsystems - Beijing China + disk_info.dki_lbsize); 48186bbaf93Scg if (legacy_label) 48286bbaf93Scg dk_ioc.dki_length = disk_info.dki_capacity - 1 - 483af007057Syl dk_ioc.dki_lba; 48486bbaf93Scg else 48586bbaf93Scg dk_ioc.dki_length = disk_info.dki_capacity - 2 - 486af007057Syl dk_ioc.dki_lba; 4877c478bd9Sstevel@tonic-gate dk_ioc.dki_length *= disk_info.dki_lbsize; 48886bbaf93Scg if (dk_ioc.dki_length > 48986bbaf93Scg ((len_t)label_len - sizeof (*dk_ioc.dki_data))) { 4907c478bd9Sstevel@tonic-gate rval = VT_EINVAL; 4917c478bd9Sstevel@tonic-gate } else { 49286bbaf93Scg /* 49386bbaf93Scg * read GUID partition entry array 49486bbaf93Scg */ 4957c478bd9Sstevel@tonic-gate rval = efi_ioctl(fd, DKIOCGETEFI, &dk_ioc); 4967c478bd9Sstevel@tonic-gate } 4977c478bd9Sstevel@tonic-gate } 498d84f0041SAlexandre Chartre 499d84f0041SAlexandre Chartre } else if (rval == 0) { 500d84f0041SAlexandre Chartre 501c7e1889fSyl dk_ioc.dki_lba = LE_64(efi->efi_gpt_PartitionEntryLBA); 50265908c77Syu, larry liu - Sun Microsystems - Beijing China /* LINTED */ 50365908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data 50465908c77Syu, larry liu - Sun Microsystems - Beijing China + disk_info.dki_lbsize); 505c7e1889fSyl dk_ioc.dki_length = label_len - disk_info.dki_lbsize; 506c7e1889fSyl rval = efi_ioctl(fd, DKIOCGETEFI, &dk_ioc); 507d84f0041SAlexandre Chartre 508d84f0041SAlexandre Chartre } else if (vdc_flag && rval == VT_ERROR && errno == EINVAL) { 509d84f0041SAlexandre Chartre /* 510d84f0041SAlexandre Chartre * When the device is a LDoms virtual disk, the DKIOCGETEFI 511d84f0041SAlexandre Chartre * ioctl can fail with EINVAL if the virtual disk backend 512d84f0041SAlexandre Chartre * is a ZFS volume serviced by a domain running an old version 513d84f0041SAlexandre Chartre * of Solaris. This is because the DKIOCGETEFI ioctl was 514d84f0041SAlexandre Chartre * initially incorrectly implemented for a ZFS volume and it 515d84f0041SAlexandre Chartre * expected the GPT and GPE to be retrieved with a single ioctl. 516d84f0041SAlexandre Chartre * So we try to read the GPT and the GPE using that old style 517d84f0041SAlexandre Chartre * ioctl. 518d84f0041SAlexandre Chartre */ 519d84f0041SAlexandre Chartre dk_ioc.dki_lba = 1; 520d84f0041SAlexandre Chartre dk_ioc.dki_length = label_len; 521d84f0041SAlexandre Chartre rval = check_label(fd, &dk_ioc); 5227c478bd9Sstevel@tonic-gate } 523d84f0041SAlexandre Chartre 5247c478bd9Sstevel@tonic-gate if (rval < 0) { 5257c478bd9Sstevel@tonic-gate free(efi); 5267c478bd9Sstevel@tonic-gate return (rval); 5277c478bd9Sstevel@tonic-gate } 5287c478bd9Sstevel@tonic-gate 5297c478bd9Sstevel@tonic-gate /* LINTED -- always longlong aligned */ 530c7e1889fSyl efi_parts = (efi_gpe_t *)(((char *)efi) + disk_info.dki_lbsize); 5317c478bd9Sstevel@tonic-gate 5327c478bd9Sstevel@tonic-gate /* 5337c478bd9Sstevel@tonic-gate * Assemble this into a "dk_gpt" struct for easier 5347c478bd9Sstevel@tonic-gate * digestibility by applications. 5357c478bd9Sstevel@tonic-gate */ 5367c478bd9Sstevel@tonic-gate vtoc->efi_version = LE_32(efi->efi_gpt_Revision); 5377c478bd9Sstevel@tonic-gate vtoc->efi_nparts = LE_32(efi->efi_gpt_NumberOfPartitionEntries); 5387c478bd9Sstevel@tonic-gate vtoc->efi_part_size = LE_32(efi->efi_gpt_SizeOfPartitionEntry); 5397c478bd9Sstevel@tonic-gate vtoc->efi_lbasize = disk_info.dki_lbsize; 5407c478bd9Sstevel@tonic-gate vtoc->efi_last_lba = disk_info.dki_capacity - 1; 5417c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba = LE_64(efi->efi_gpt_FirstUsableLBA); 5427c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba = LE_64(efi->efi_gpt_LastUsableLBA); 543af007057Syl vtoc->efi_altern_lba = LE_64(efi->efi_gpt_AlternateLBA); 5447c478bd9Sstevel@tonic-gate UUID_LE_CONVERT(vtoc->efi_disk_uguid, efi->efi_gpt_DiskGUID); 5457c478bd9Sstevel@tonic-gate 5467c478bd9Sstevel@tonic-gate /* 5477c478bd9Sstevel@tonic-gate * If the array the user passed in is too small, set the length 5487c478bd9Sstevel@tonic-gate * to what it needs to be and return 5497c478bd9Sstevel@tonic-gate */ 5507c478bd9Sstevel@tonic-gate if (user_length < vtoc->efi_nparts) { 5517c478bd9Sstevel@tonic-gate return (VT_EINVAL); 5527c478bd9Sstevel@tonic-gate } 5537c478bd9Sstevel@tonic-gate 5547c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 5557c478bd9Sstevel@tonic-gate 556af007057Syl UUID_LE_CONVERT(vtoc->efi_parts[i].p_guid, 557af007057Syl efi_parts[i].efi_gpe_PartitionTypeGUID); 558af007057Syl 559af007057Syl for (j = 0; 560af007057Syl j < sizeof (conversion_array) 561af007057Syl / sizeof (struct uuid_to_ptag); j++) { 562af007057Syl 563af007057Syl if (bcmp(&vtoc->efi_parts[i].p_guid, 564af007057Syl &conversion_array[j].uuid, 565af007057Syl sizeof (struct uuid)) == 0) { 566af007057Syl vtoc->efi_parts[i].p_tag = j; 567af007057Syl break; 568af007057Syl } 569af007057Syl } 570af007057Syl if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) 571af007057Syl continue; 572af007057Syl vtoc->efi_parts[i].p_flag = 573af007057Syl LE_16(efi_parts[i].efi_gpe_Attributes.PartitionAttrs); 574af007057Syl vtoc->efi_parts[i].p_start = 575af007057Syl LE_64(efi_parts[i].efi_gpe_StartingLBA); 576af007057Syl vtoc->efi_parts[i].p_size = 577af007057Syl LE_64(efi_parts[i].efi_gpe_EndingLBA) - 5787c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start + 1; 579af007057Syl for (j = 0; j < EFI_PART_NAME_LEN; j++) { 580af007057Syl vtoc->efi_parts[i].p_name[j] = 581af007057Syl (uchar_t)LE_16( 582af007057Syl efi_parts[i].efi_gpe_PartitionName[j]); 583af007057Syl } 5847c478bd9Sstevel@tonic-gate 585af007057Syl UUID_LE_CONVERT(vtoc->efi_parts[i].p_uguid, 586af007057Syl efi_parts[i].efi_gpe_UniquePartitionGUID); 5877c478bd9Sstevel@tonic-gate } 5887c478bd9Sstevel@tonic-gate free(efi); 5897c478bd9Sstevel@tonic-gate 5907c478bd9Sstevel@tonic-gate return (dki_info.dki_partition); 5917c478bd9Sstevel@tonic-gate } 5927c478bd9Sstevel@tonic-gate 5937e934d3aSAndy Fiddaman static void 5947e934d3aSAndy Fiddaman hardware_workarounds(int *slot, int *active) 5957e934d3aSAndy Fiddaman { 5967e934d3aSAndy Fiddaman smbios_struct_t s_sys, s_mb; 5977e934d3aSAndy Fiddaman smbios_info_t sys, mb; 5987e934d3aSAndy Fiddaman smbios_hdl_t *shp; 5997e934d3aSAndy Fiddaman char buf[0x400]; 6007e934d3aSAndy Fiddaman FILE *fp; 6017e934d3aSAndy Fiddaman int err; 6027e934d3aSAndy Fiddaman 6037e934d3aSAndy Fiddaman if ((fp = fopen(EFI_FIXES_DB, "rF")) == NULL) 6047e934d3aSAndy Fiddaman return; 6057e934d3aSAndy Fiddaman 6067e934d3aSAndy Fiddaman if ((shp = smbios_open(NULL, SMB_VERSION, 0, &err)) == NULL) { 6077e934d3aSAndy Fiddaman if (efi_debug) 6087e934d3aSAndy Fiddaman (void) fprintf(stderr, 6097e934d3aSAndy Fiddaman "libefi failed to load SMBIOS: %s\n", 6107e934d3aSAndy Fiddaman smbios_errmsg(err)); 6117e934d3aSAndy Fiddaman (void) fclose(fp); 6127e934d3aSAndy Fiddaman return; 6137e934d3aSAndy Fiddaman } 6147e934d3aSAndy Fiddaman 6157e934d3aSAndy Fiddaman if (smbios_lookup_type(shp, SMB_TYPE_SYSTEM, &s_sys) == SMB_ERR || 6167e934d3aSAndy Fiddaman smbios_info_common(shp, s_sys.smbstr_id, &sys) == SMB_ERR) 6177e934d3aSAndy Fiddaman (void) memset(&sys, '\0', sizeof (sys)); 6187e934d3aSAndy Fiddaman if (smbios_lookup_type(shp, SMB_TYPE_BASEBOARD, &s_mb) == SMB_ERR || 6197e934d3aSAndy Fiddaman smbios_info_common(shp, s_mb.smbstr_id, &mb) == SMB_ERR) 6207e934d3aSAndy Fiddaman (void) memset(&mb, '\0', sizeof (mb)); 6217e934d3aSAndy Fiddaman 6227e934d3aSAndy Fiddaman while (fgets(buf, sizeof (buf), fp) != NULL) { 6237e934d3aSAndy Fiddaman char *tok, *val, *end; 6247e934d3aSAndy Fiddaman 6257e934d3aSAndy Fiddaman tok = buf + strspn(buf, " \t"); 6267e934d3aSAndy Fiddaman if (*tok == '#') 6277e934d3aSAndy Fiddaman continue; 6287e934d3aSAndy Fiddaman while (*tok != '\0') { 6297e934d3aSAndy Fiddaman tok += strspn(tok, " \t"); 6307e934d3aSAndy Fiddaman if ((val = strchr(tok, '=')) == NULL) 6317e934d3aSAndy Fiddaman break; 6327e934d3aSAndy Fiddaman *val++ = '\0'; 6337e934d3aSAndy Fiddaman if (*val == '"') 6347e934d3aSAndy Fiddaman end = strchr(++val, '"'); 6357e934d3aSAndy Fiddaman else 6367e934d3aSAndy Fiddaman end = strpbrk(val, " \t\n"); 6377e934d3aSAndy Fiddaman if (end == NULL) 6387e934d3aSAndy Fiddaman break; 6397e934d3aSAndy Fiddaman *end++ = '\0'; 6407e934d3aSAndy Fiddaman 6417e934d3aSAndy Fiddaman if (strcmp(tok, "sys.manufacturer") == 0 && 6427e934d3aSAndy Fiddaman (sys.smbi_manufacturer == NULL || 6437e934d3aSAndy Fiddaman strcasecmp(val, sys.smbi_manufacturer))) 6447e934d3aSAndy Fiddaman break; 6457e934d3aSAndy Fiddaman if (strcmp(tok, "sys.product") == 0 && 6467e934d3aSAndy Fiddaman (sys.smbi_product == NULL || 6477e934d3aSAndy Fiddaman strcasecmp(val, sys.smbi_product))) 6487e934d3aSAndy Fiddaman break; 6497e934d3aSAndy Fiddaman if (strcmp(tok, "sys.version") == 0 && 6507e934d3aSAndy Fiddaman (sys.smbi_version == NULL || 6517e934d3aSAndy Fiddaman strcasecmp(val, sys.smbi_version))) 6527e934d3aSAndy Fiddaman break; 6537e934d3aSAndy Fiddaman if (strcmp(tok, "mb.manufacturer") == 0 && 6547e934d3aSAndy Fiddaman (mb.smbi_manufacturer == NULL || 6557e934d3aSAndy Fiddaman strcasecmp(val, mb.smbi_manufacturer))) 6567e934d3aSAndy Fiddaman break; 6577e934d3aSAndy Fiddaman if (strcmp(tok, "mb.product") == 0 && 6587e934d3aSAndy Fiddaman (mb.smbi_product == NULL || 6597e934d3aSAndy Fiddaman strcasecmp(val, mb.smbi_product))) 6607e934d3aSAndy Fiddaman break; 6617e934d3aSAndy Fiddaman if (strcmp(tok, "mb.version") == 0 && 6627e934d3aSAndy Fiddaman (mb.smbi_version == NULL || 6637e934d3aSAndy Fiddaman strcasecmp(val, mb.smbi_version))) 6647e934d3aSAndy Fiddaman break; 6657e934d3aSAndy Fiddaman 6667e934d3aSAndy Fiddaman if (strcmp(tok, "pmbr_slot") == 0) { 6677e934d3aSAndy Fiddaman *slot = atoi(val); 6687e934d3aSAndy Fiddaman if (*slot < 0 || *slot > 3) 6697e934d3aSAndy Fiddaman *slot = 0; 6707e934d3aSAndy Fiddaman if (efi_debug) 6717e934d3aSAndy Fiddaman (void) fprintf(stderr, 6727e934d3aSAndy Fiddaman "Using slot %d\n", *slot); 6737e934d3aSAndy Fiddaman } 6747e934d3aSAndy Fiddaman 6757e934d3aSAndy Fiddaman if (strcmp(tok, "pmbr_active") == 0) { 6767e934d3aSAndy Fiddaman *active = atoi(val); 6777e934d3aSAndy Fiddaman if (*active < 0 || *active > 1) 6787e934d3aSAndy Fiddaman *active = 0; 6797e934d3aSAndy Fiddaman if (efi_debug) 6807e934d3aSAndy Fiddaman (void) fprintf(stderr, 6817e934d3aSAndy Fiddaman "Using active %d\n", *active); 6827e934d3aSAndy Fiddaman } 6837e934d3aSAndy Fiddaman 6847e934d3aSAndy Fiddaman tok = end; 6857e934d3aSAndy Fiddaman } 6867e934d3aSAndy Fiddaman } 6877e934d3aSAndy Fiddaman (void) fclose(fp); 6887e934d3aSAndy Fiddaman smbios_close(shp); 6897e934d3aSAndy Fiddaman } 6907e934d3aSAndy Fiddaman 6917c478bd9Sstevel@tonic-gate /* writes a "protective" MBR */ 6927c478bd9Sstevel@tonic-gate static int 6937c478bd9Sstevel@tonic-gate write_pmbr(int fd, struct dk_gpt *vtoc) 6947c478bd9Sstevel@tonic-gate { 6957c478bd9Sstevel@tonic-gate dk_efi_t dk_ioc; 6967c478bd9Sstevel@tonic-gate struct mboot mb; 6977c478bd9Sstevel@tonic-gate uchar_t *cp; 6987c478bd9Sstevel@tonic-gate diskaddr_t size_in_lba; 69965908c77Syu, larry liu - Sun Microsystems - Beijing China uchar_t *buf; 7007e934d3aSAndy Fiddaman int len, slot, active; 7017e934d3aSAndy Fiddaman 7027e934d3aSAndy Fiddaman slot = active = 0; 7037e934d3aSAndy Fiddaman 7047e934d3aSAndy Fiddaman hardware_workarounds(&slot, &active); 70565908c77Syu, larry liu - Sun Microsystems - Beijing China 70665908c77Syu, larry liu - Sun Microsystems - Beijing China len = (vtoc->efi_lbasize == 0) ? sizeof (mb) : vtoc->efi_lbasize; 70765908c77Syu, larry liu - Sun Microsystems - Beijing China buf = calloc(len, 1); 7087c478bd9Sstevel@tonic-gate 709987e90dcSxl /* 710987e90dcSxl * Preserve any boot code and disk signature if the first block is 711987e90dcSxl * already an MBR. 712987e90dcSxl */ 713987e90dcSxl dk_ioc.dki_lba = 0; 71465908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_length = len; 715987e90dcSxl /* LINTED -- always longlong aligned */ 71665908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)buf; 71765908c77Syu, larry liu - Sun Microsystems - Beijing China if (efi_ioctl(fd, DKIOCGETEFI, &dk_ioc) == -1) { 718286eb3edSRichard Yao (void) memcpy(&mb, buf, sizeof (mb)); 719987e90dcSxl bzero(&mb, sizeof (mb)); 720987e90dcSxl mb.signature = LE_16(MBB_MAGIC); 72165908c77Syu, larry liu - Sun Microsystems - Beijing China } else { 722286eb3edSRichard Yao (void) memcpy(&mb, buf, sizeof (mb)); 72365908c77Syu, larry liu - Sun Microsystems - Beijing China if (mb.signature != LE_16(MBB_MAGIC)) { 72465908c77Syu, larry liu - Sun Microsystems - Beijing China bzero(&mb, sizeof (mb)); 72565908c77Syu, larry liu - Sun Microsystems - Beijing China mb.signature = LE_16(MBB_MAGIC); 72665908c77Syu, larry liu - Sun Microsystems - Beijing China } 727987e90dcSxl } 72865908c77Syu, larry liu - Sun Microsystems - Beijing China 7297c478bd9Sstevel@tonic-gate bzero(&mb.parts, sizeof (mb.parts)); 7307e934d3aSAndy Fiddaman cp = (uchar_t *)&mb.parts[slot * sizeof (struct ipart)]; 7317c478bd9Sstevel@tonic-gate /* bootable or not */ 7327e934d3aSAndy Fiddaman *cp++ = active ? ACTIVE : NOTACTIVE; 7337c478bd9Sstevel@tonic-gate /* beginning CHS; 0xffffff if not representable */ 7347c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7357c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7367c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7377c478bd9Sstevel@tonic-gate /* OS type */ 7387c478bd9Sstevel@tonic-gate *cp++ = EFI_PMBR; 7397c478bd9Sstevel@tonic-gate /* ending CHS; 0xffffff if not representable */ 7407c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7417c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7427c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7437c478bd9Sstevel@tonic-gate /* starting LBA: 1 (little endian format) by EFI definition */ 7447c478bd9Sstevel@tonic-gate *cp++ = 0x01; 7457c478bd9Sstevel@tonic-gate *cp++ = 0x00; 7467c478bd9Sstevel@tonic-gate *cp++ = 0x00; 7477c478bd9Sstevel@tonic-gate *cp++ = 0x00; 7487c478bd9Sstevel@tonic-gate /* ending LBA: last block on the disk (little endian format) */ 7497c478bd9Sstevel@tonic-gate size_in_lba = vtoc->efi_last_lba; 7507c478bd9Sstevel@tonic-gate if (size_in_lba < 0xffffffff) { 7517c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0x000000ff); 7527c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0x0000ff00) >> 8; 7537c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0x00ff0000) >> 16; 7547c478bd9Sstevel@tonic-gate *cp++ = (size_in_lba & 0xff000000) >> 24; 7557c478bd9Sstevel@tonic-gate } else { 7567c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7577c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7587c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7597c478bd9Sstevel@tonic-gate *cp++ = 0xff; 7607c478bd9Sstevel@tonic-gate } 76165908c77Syu, larry liu - Sun Microsystems - Beijing China 762286eb3edSRichard Yao (void) memcpy(buf, &mb, sizeof (mb)); 7637c478bd9Sstevel@tonic-gate /* LINTED -- always longlong aligned */ 76465908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)buf; 7657c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = 0; 76665908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_length = len; 7677c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 76865908c77Syu, larry liu - Sun Microsystems - Beijing China free(buf); 7697c478bd9Sstevel@tonic-gate switch (errno) { 7707c478bd9Sstevel@tonic-gate case EIO: 7717c478bd9Sstevel@tonic-gate return (VT_EIO); 7727c478bd9Sstevel@tonic-gate case EINVAL: 7737c478bd9Sstevel@tonic-gate return (VT_EINVAL); 7747c478bd9Sstevel@tonic-gate default: 7757c478bd9Sstevel@tonic-gate return (VT_ERROR); 7767c478bd9Sstevel@tonic-gate } 7777c478bd9Sstevel@tonic-gate } 77865908c77Syu, larry liu - Sun Microsystems - Beijing China free(buf); 7797c478bd9Sstevel@tonic-gate return (0); 7807c478bd9Sstevel@tonic-gate } 7817c478bd9Sstevel@tonic-gate 7827c478bd9Sstevel@tonic-gate /* make sure the user specified something reasonable */ 7837c478bd9Sstevel@tonic-gate static int 7847c478bd9Sstevel@tonic-gate check_input(struct dk_gpt *vtoc) 7857c478bd9Sstevel@tonic-gate { 7867c478bd9Sstevel@tonic-gate int resv_part = -1; 7877c478bd9Sstevel@tonic-gate int i, j; 7887c478bd9Sstevel@tonic-gate diskaddr_t istart, jstart, isize, jsize, endsect; 7897c478bd9Sstevel@tonic-gate 7907c478bd9Sstevel@tonic-gate /* 7917c478bd9Sstevel@tonic-gate * Sanity-check the input (make sure no partitions overlap) 7927c478bd9Sstevel@tonic-gate */ 7937c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 7947c478bd9Sstevel@tonic-gate /* It can't be unassigned and have an actual size */ 7957c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_tag == V_UNASSIGNED) && 7967c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_size != 0)) { 7977c478bd9Sstevel@tonic-gate if (efi_debug) { 7987c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 7997c478bd9Sstevel@tonic-gate "partition %d is \"unassigned\" but has a size of %llu", 8007c478bd9Sstevel@tonic-gate i, 8017c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size); 8027c478bd9Sstevel@tonic-gate } 8037c478bd9Sstevel@tonic-gate return (VT_EINVAL); 8047c478bd9Sstevel@tonic-gate } 8057c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) { 806f2be5148Sszhou if (uuid_is_null((uchar_t *)&vtoc->efi_parts[i].p_guid)) 807f2be5148Sszhou continue; 808f2be5148Sszhou /* we have encountered an unknown uuid */ 809f2be5148Sszhou vtoc->efi_parts[i].p_tag = 0xff; 8107c478bd9Sstevel@tonic-gate } 8117c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_RESERVED) { 8127c478bd9Sstevel@tonic-gate if (resv_part != -1) { 8137c478bd9Sstevel@tonic-gate if (efi_debug) { 814af007057Syl (void) fprintf(stderr, 8157c478bd9Sstevel@tonic-gate "found duplicate reserved partition at %d\n", 816af007057Syl i); 8177c478bd9Sstevel@tonic-gate } 8187c478bd9Sstevel@tonic-gate return (VT_EINVAL); 8197c478bd9Sstevel@tonic-gate } 8207c478bd9Sstevel@tonic-gate resv_part = i; 8217c478bd9Sstevel@tonic-gate } 8227c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start < vtoc->efi_first_u_lba) || 8237c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start > vtoc->efi_last_u_lba)) { 8247c478bd9Sstevel@tonic-gate if (efi_debug) { 8257c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 8267c478bd9Sstevel@tonic-gate "Partition %d starts at %llu. ", 8277c478bd9Sstevel@tonic-gate i, 8287c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start); 8297c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 8307c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 8317c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 8327c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 8337c478bd9Sstevel@tonic-gate } 8347c478bd9Sstevel@tonic-gate return (VT_EINVAL); 8357c478bd9Sstevel@tonic-gate } 8367c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start + 8377c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size < 8387c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba) || 8397c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start + 8407c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size > 8417c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba + 1)) { 8427c478bd9Sstevel@tonic-gate if (efi_debug) { 8437c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 8447c478bd9Sstevel@tonic-gate "Partition %d ends at %llu. ", 8457c478bd9Sstevel@tonic-gate i, 8467c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start + 8477c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size); 8487c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 8497c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 8507c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 8517c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 8527c478bd9Sstevel@tonic-gate } 8537c478bd9Sstevel@tonic-gate return (VT_EINVAL); 8547c478bd9Sstevel@tonic-gate } 8557c478bd9Sstevel@tonic-gate 8567c478bd9Sstevel@tonic-gate for (j = 0; j < vtoc->efi_nparts; j++) { 8577c478bd9Sstevel@tonic-gate isize = vtoc->efi_parts[i].p_size; 8587c478bd9Sstevel@tonic-gate jsize = vtoc->efi_parts[j].p_size; 8597c478bd9Sstevel@tonic-gate istart = vtoc->efi_parts[i].p_start; 8607c478bd9Sstevel@tonic-gate jstart = vtoc->efi_parts[j].p_start; 8617c478bd9Sstevel@tonic-gate if ((i != j) && (isize != 0) && (jsize != 0)) { 8627c478bd9Sstevel@tonic-gate endsect = jstart + jsize -1; 8637c478bd9Sstevel@tonic-gate if ((jstart <= istart) && 8647c478bd9Sstevel@tonic-gate (istart <= endsect)) { 8657c478bd9Sstevel@tonic-gate if (efi_debug) { 8667c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 8677c478bd9Sstevel@tonic-gate "Partition %d overlaps partition %d.", 8687c478bd9Sstevel@tonic-gate i, j); 869af007057Syl } 870af007057Syl return (VT_EINVAL); 8717c478bd9Sstevel@tonic-gate } 8727c478bd9Sstevel@tonic-gate } 8737c478bd9Sstevel@tonic-gate } 8747c478bd9Sstevel@tonic-gate } 8757c478bd9Sstevel@tonic-gate /* just a warning for now */ 8767c478bd9Sstevel@tonic-gate if ((resv_part == -1) && efi_debug) { 8777c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 878af007057Syl "no reserved partition found\n"); 8797c478bd9Sstevel@tonic-gate } 8807c478bd9Sstevel@tonic-gate return (0); 8817c478bd9Sstevel@tonic-gate } 8827c478bd9Sstevel@tonic-gate 883af007057Syl /* 884af007057Syl * add all the unallocated space to the current label 885af007057Syl */ 886af007057Syl int 887af007057Syl efi_use_whole_disk(int fd) 888af007057Syl { 889af007057Syl struct dk_gpt *efi_label; 890af007057Syl int rval; 891af007057Syl int i; 892af007057Syl uint_t phy_last_slice = 0; 893af007057Syl diskaddr_t pl_start = 0; 894af007057Syl diskaddr_t pl_size; 895af007057Syl 896af007057Syl rval = efi_alloc_and_read(fd, &efi_label); 897af007057Syl if (rval < 0) { 898af007057Syl return (rval); 899af007057Syl } 900af007057Syl 901af007057Syl /* find the last physically non-zero partition */ 902af007057Syl for (i = 0; i < efi_label->efi_nparts - 2; i ++) { 903af007057Syl if (pl_start < efi_label->efi_parts[i].p_start) { 904af007057Syl pl_start = efi_label->efi_parts[i].p_start; 905af007057Syl phy_last_slice = i; 906af007057Syl } 907af007057Syl } 908af007057Syl pl_size = efi_label->efi_parts[phy_last_slice].p_size; 909af007057Syl 910af007057Syl /* 911af007057Syl * If alter_lba is 1, we are using the backup label. 912af007057Syl * Since we can locate the backup label by disk capacity, 913af007057Syl * there must be no unallocated space. 914af007057Syl */ 915af007057Syl if ((efi_label->efi_altern_lba == 1) || (efi_label->efi_altern_lba 916af007057Syl >= efi_label->efi_last_lba)) { 917af007057Syl if (efi_debug) { 918af007057Syl (void) fprintf(stderr, 919af007057Syl "efi_use_whole_disk: requested space not found\n"); 920af007057Syl } 921af007057Syl efi_free(efi_label); 922af007057Syl return (VT_ENOSPC); 923af007057Syl } 924af007057Syl 925af007057Syl /* 926af007057Syl * If there is space between the last physically non-zero partition 927af007057Syl * and the reserved partition, just add the unallocated space to this 928af007057Syl * area. Otherwise, the unallocated space is added to the last 929af007057Syl * physically non-zero partition. 930af007057Syl */ 931af007057Syl if (pl_start + pl_size - 1 == efi_label->efi_last_u_lba - 932af007057Syl EFI_MIN_RESV_SIZE) { 933af007057Syl efi_label->efi_parts[phy_last_slice].p_size += 934af007057Syl efi_label->efi_last_lba - efi_label->efi_altern_lba; 935af007057Syl } 936af007057Syl 937af007057Syl /* 938af007057Syl * Move the reserved partition. There is currently no data in 939af007057Syl * here except fabricated devids (which get generated via 940af007057Syl * efi_write()). So there is no need to copy data. 941af007057Syl */ 942af007057Syl efi_label->efi_parts[efi_label->efi_nparts - 1].p_start += 943af007057Syl efi_label->efi_last_lba - efi_label->efi_altern_lba; 944af007057Syl efi_label->efi_last_u_lba += efi_label->efi_last_lba 945af007057Syl - efi_label->efi_altern_lba; 946af007057Syl 947af007057Syl rval = efi_write(fd, efi_label); 948af007057Syl if (rval < 0) { 949af007057Syl if (efi_debug) { 950af007057Syl (void) fprintf(stderr, 951af007057Syl "efi_use_whole_disk:fail to write label, rval=%d\n", 952af007057Syl rval); 953af007057Syl } 954af007057Syl efi_free(efi_label); 955af007057Syl return (rval); 956af007057Syl } 957af007057Syl 958af007057Syl efi_free(efi_label); 959af007057Syl return (0); 960af007057Syl } 961af007057Syl 962af007057Syl 9637c478bd9Sstevel@tonic-gate /* 9647c478bd9Sstevel@tonic-gate * write EFI label and backup label 9657c478bd9Sstevel@tonic-gate */ 9667c478bd9Sstevel@tonic-gate int 9677c478bd9Sstevel@tonic-gate efi_write(int fd, struct dk_gpt *vtoc) 9687c478bd9Sstevel@tonic-gate { 9697c478bd9Sstevel@tonic-gate dk_efi_t dk_ioc; 9707c478bd9Sstevel@tonic-gate efi_gpt_t *efi; 9717c478bd9Sstevel@tonic-gate efi_gpe_t *efi_parts; 9727c478bd9Sstevel@tonic-gate int i, j; 9737c478bd9Sstevel@tonic-gate struct dk_cinfo dki_info; 97486bbaf93Scg int nblocks; 97586bbaf93Scg diskaddr_t lba_backup_gpt_hdr; 9767c478bd9Sstevel@tonic-gate 9777c478bd9Sstevel@tonic-gate if (ioctl(fd, DKIOCINFO, (caddr_t)&dki_info) == -1) { 9787c478bd9Sstevel@tonic-gate if (efi_debug) 9797c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "DKIOCINFO errno 0x%x\n", errno); 9807c478bd9Sstevel@tonic-gate switch (errno) { 9817c478bd9Sstevel@tonic-gate case EIO: 9827c478bd9Sstevel@tonic-gate return (VT_EIO); 9837c478bd9Sstevel@tonic-gate case EINVAL: 9847c478bd9Sstevel@tonic-gate return (VT_EINVAL); 9857c478bd9Sstevel@tonic-gate default: 9867c478bd9Sstevel@tonic-gate return (VT_ERROR); 9877c478bd9Sstevel@tonic-gate } 9887c478bd9Sstevel@tonic-gate } 9897c478bd9Sstevel@tonic-gate 9905f10ef69SYuri Pankov if (check_input(vtoc)) 9915f10ef69SYuri Pankov return (VT_EINVAL); 9927c478bd9Sstevel@tonic-gate 9937c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = 1; 9947c478bd9Sstevel@tonic-gate if (NBLOCKS(vtoc->efi_nparts, vtoc->efi_lbasize) < 34) { 9957c478bd9Sstevel@tonic-gate dk_ioc.dki_length = EFI_MIN_ARRAY_SIZE + vtoc->efi_lbasize; 9967c478bd9Sstevel@tonic-gate } else { 9977c478bd9Sstevel@tonic-gate dk_ioc.dki_length = NBLOCKS(vtoc->efi_nparts, 998af007057Syl vtoc->efi_lbasize) * 999af007057Syl vtoc->efi_lbasize; 10007c478bd9Sstevel@tonic-gate } 10017c478bd9Sstevel@tonic-gate 100286bbaf93Scg /* 100386bbaf93Scg * the number of blocks occupied by GUID partition entry array 100486bbaf93Scg */ 100586bbaf93Scg nblocks = dk_ioc.dki_length / vtoc->efi_lbasize - 1; 100686bbaf93Scg 100786bbaf93Scg /* 100886bbaf93Scg * Backup GPT header is located on the block after GUID 100986bbaf93Scg * partition entry array. Here, we calculate the address 101086bbaf93Scg * for backup GPT header. 101186bbaf93Scg */ 101286bbaf93Scg lba_backup_gpt_hdr = vtoc->efi_last_u_lba + 1 + nblocks; 10137c478bd9Sstevel@tonic-gate if ((dk_ioc.dki_data = calloc(dk_ioc.dki_length, 1)) == NULL) 10147c478bd9Sstevel@tonic-gate return (VT_ERROR); 10157c478bd9Sstevel@tonic-gate 10167c478bd9Sstevel@tonic-gate efi = dk_ioc.dki_data; 10177c478bd9Sstevel@tonic-gate 10187c478bd9Sstevel@tonic-gate /* stuff user's input into EFI struct */ 10197c478bd9Sstevel@tonic-gate efi->efi_gpt_Signature = LE_64(EFI_SIGNATURE); 10207c478bd9Sstevel@tonic-gate efi->efi_gpt_Revision = LE_32(vtoc->efi_version); /* 0x02000100 */ 10217c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderSize = LE_32(sizeof (struct efi_gpt)); 10227c478bd9Sstevel@tonic-gate efi->efi_gpt_Reserved1 = 0; 10237c478bd9Sstevel@tonic-gate efi->efi_gpt_MyLBA = LE_64(1ULL); 102486bbaf93Scg efi->efi_gpt_AlternateLBA = LE_64(lba_backup_gpt_hdr); 10257c478bd9Sstevel@tonic-gate efi->efi_gpt_FirstUsableLBA = LE_64(vtoc->efi_first_u_lba); 10267c478bd9Sstevel@tonic-gate efi->efi_gpt_LastUsableLBA = LE_64(vtoc->efi_last_u_lba); 10277c478bd9Sstevel@tonic-gate efi->efi_gpt_PartitionEntryLBA = LE_64(2ULL); 10287c478bd9Sstevel@tonic-gate efi->efi_gpt_NumberOfPartitionEntries = LE_32(vtoc->efi_nparts); 10297c478bd9Sstevel@tonic-gate efi->efi_gpt_SizeOfPartitionEntry = LE_32(sizeof (struct efi_gpe)); 10307c478bd9Sstevel@tonic-gate UUID_LE_CONVERT(efi->efi_gpt_DiskGUID, vtoc->efi_disk_uguid); 10317c478bd9Sstevel@tonic-gate 10327c478bd9Sstevel@tonic-gate /* LINTED -- always longlong aligned */ 103365908c77Syu, larry liu - Sun Microsystems - Beijing China efi_parts = (efi_gpe_t *)((char *)dk_ioc.dki_data + vtoc->efi_lbasize); 10347c478bd9Sstevel@tonic-gate 10357c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 1036af007057Syl for (j = 0; 1037af007057Syl j < sizeof (conversion_array) / 1038af007057Syl sizeof (struct uuid_to_ptag); j++) { 1039af007057Syl 1040af007057Syl if (vtoc->efi_parts[i].p_tag == j) { 1041af007057Syl UUID_LE_CONVERT( 1042af007057Syl efi_parts[i].efi_gpe_PartitionTypeGUID, 1043af007057Syl conversion_array[j].uuid); 1044af007057Syl break; 1045af007057Syl } 1046af007057Syl } 1047af007057Syl 1048af007057Syl if (j == sizeof (conversion_array) / 1049af007057Syl sizeof (struct uuid_to_ptag)) { 1050af007057Syl /* 1051af007057Syl * If we didn't have a matching uuid match, bail here. 1052af007057Syl * Don't write a label with unknown uuid. 1053af007057Syl */ 1054af007057Syl if (efi_debug) { 1055af007057Syl (void) fprintf(stderr, 1056af007057Syl "Unknown uuid for p_tag %d\n", 1057af007057Syl vtoc->efi_parts[i].p_tag); 1058af007057Syl } 1059af007057Syl return (VT_EINVAL); 1060af007057Syl } 1061af007057Syl 1062af007057Syl efi_parts[i].efi_gpe_StartingLBA = 1063af007057Syl LE_64(vtoc->efi_parts[i].p_start); 1064af007057Syl efi_parts[i].efi_gpe_EndingLBA = 1065af007057Syl LE_64(vtoc->efi_parts[i].p_start + 1066af007057Syl vtoc->efi_parts[i].p_size - 1); 1067af007057Syl efi_parts[i].efi_gpe_Attributes.PartitionAttrs = 10687c478bd9Sstevel@tonic-gate LE_16(vtoc->efi_parts[i].p_flag); 1069af007057Syl for (j = 0; j < EFI_PART_NAME_LEN; j++) { 1070af007057Syl efi_parts[i].efi_gpe_PartitionName[j] = 1071af007057Syl LE_16((ushort_t)vtoc->efi_parts[i].p_name[j]); 1072af007057Syl } 1073af007057Syl if ((vtoc->efi_parts[i].p_tag != V_UNASSIGNED) && 1074af007057Syl uuid_is_null((uchar_t *)&vtoc->efi_parts[i].p_uguid)) { 1075af007057Syl (void) uuid_generate((uchar_t *) 1076af007057Syl &vtoc->efi_parts[i].p_uguid); 1077af007057Syl } 1078af007057Syl bcopy(&vtoc->efi_parts[i].p_uguid, 1079af007057Syl &efi_parts[i].efi_gpe_UniquePartitionGUID, 1080af007057Syl sizeof (uuid_t)); 10817c478bd9Sstevel@tonic-gate } 10827c478bd9Sstevel@tonic-gate efi->efi_gpt_PartitionEntryArrayCRC32 = 10837c478bd9Sstevel@tonic-gate LE_32(efi_crc32((unsigned char *)efi_parts, 10847c478bd9Sstevel@tonic-gate vtoc->efi_nparts * (int)sizeof (struct efi_gpe))); 10857c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 10867c478bd9Sstevel@tonic-gate LE_32(efi_crc32((unsigned char *)efi, sizeof (struct efi_gpt))); 10877c478bd9Sstevel@tonic-gate 10887c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 10897c478bd9Sstevel@tonic-gate free(dk_ioc.dki_data); 10907c478bd9Sstevel@tonic-gate switch (errno) { 10917c478bd9Sstevel@tonic-gate case EIO: 10927c478bd9Sstevel@tonic-gate return (VT_EIO); 10937c478bd9Sstevel@tonic-gate case EINVAL: 10947c478bd9Sstevel@tonic-gate return (VT_EINVAL); 10957c478bd9Sstevel@tonic-gate default: 10967c478bd9Sstevel@tonic-gate return (VT_ERROR); 10977c478bd9Sstevel@tonic-gate } 10987c478bd9Sstevel@tonic-gate } 109965908c77Syu, larry liu - Sun Microsystems - Beijing China 11007c478bd9Sstevel@tonic-gate /* write backup partition array */ 11017c478bd9Sstevel@tonic-gate dk_ioc.dki_lba = vtoc->efi_last_u_lba + 1; 11027c478bd9Sstevel@tonic-gate dk_ioc.dki_length -= vtoc->efi_lbasize; 110365908c77Syu, larry liu - Sun Microsystems - Beijing China /* LINTED */ 110465908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data + 110565908c77Syu, larry liu - Sun Microsystems - Beijing China vtoc->efi_lbasize); 110665908c77Syu, larry liu - Sun Microsystems - Beijing China 11077c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 11087c478bd9Sstevel@tonic-gate /* 11097c478bd9Sstevel@tonic-gate * we wrote the primary label okay, so don't fail 11107c478bd9Sstevel@tonic-gate */ 11117c478bd9Sstevel@tonic-gate if (efi_debug) { 11127c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11137c478bd9Sstevel@tonic-gate "write of backup partitions to block %llu " 11147c478bd9Sstevel@tonic-gate "failed, errno %d\n", 11157c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba + 1, 11167c478bd9Sstevel@tonic-gate errno); 11177c478bd9Sstevel@tonic-gate } 11187c478bd9Sstevel@tonic-gate } 11197c478bd9Sstevel@tonic-gate /* 11207c478bd9Sstevel@tonic-gate * now swap MyLBA and AlternateLBA fields and write backup 11217c478bd9Sstevel@tonic-gate * partition table header 11227c478bd9Sstevel@tonic-gate */ 112386bbaf93Scg dk_ioc.dki_lba = lba_backup_gpt_hdr; 11247c478bd9Sstevel@tonic-gate dk_ioc.dki_length = vtoc->efi_lbasize; 112565908c77Syu, larry liu - Sun Microsystems - Beijing China /* LINTED */ 112665908c77Syu, larry liu - Sun Microsystems - Beijing China dk_ioc.dki_data = (efi_gpt_t *)((char *)dk_ioc.dki_data - 112765908c77Syu, larry liu - Sun Microsystems - Beijing China vtoc->efi_lbasize); 11287c478bd9Sstevel@tonic-gate efi->efi_gpt_AlternateLBA = LE_64(1ULL); 112986bbaf93Scg efi->efi_gpt_MyLBA = LE_64(lba_backup_gpt_hdr); 11307c478bd9Sstevel@tonic-gate efi->efi_gpt_PartitionEntryLBA = LE_64(vtoc->efi_last_u_lba + 1); 11317c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 0; 11327c478bd9Sstevel@tonic-gate efi->efi_gpt_HeaderCRC32 = 11337c478bd9Sstevel@tonic-gate LE_32(efi_crc32((unsigned char *)dk_ioc.dki_data, 11347c478bd9Sstevel@tonic-gate sizeof (struct efi_gpt))); 11357c478bd9Sstevel@tonic-gate 11367c478bd9Sstevel@tonic-gate if (efi_ioctl(fd, DKIOCSETEFI, &dk_ioc) == -1) { 11377c478bd9Sstevel@tonic-gate if (efi_debug) { 11387c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11397c478bd9Sstevel@tonic-gate "write of backup header to block %llu failed, " 11407c478bd9Sstevel@tonic-gate "errno %d\n", 114186bbaf93Scg lba_backup_gpt_hdr, 11427c478bd9Sstevel@tonic-gate errno); 11437c478bd9Sstevel@tonic-gate } 11447c478bd9Sstevel@tonic-gate } 11457c478bd9Sstevel@tonic-gate /* write the PMBR */ 11467c478bd9Sstevel@tonic-gate (void) write_pmbr(fd, vtoc); 11477c478bd9Sstevel@tonic-gate free(dk_ioc.dki_data); 11487c478bd9Sstevel@tonic-gate return (0); 11497c478bd9Sstevel@tonic-gate } 11507c478bd9Sstevel@tonic-gate 11517c478bd9Sstevel@tonic-gate void 11527c478bd9Sstevel@tonic-gate efi_free(struct dk_gpt *ptr) 11537c478bd9Sstevel@tonic-gate { 11547c478bd9Sstevel@tonic-gate free(ptr); 11557c478bd9Sstevel@tonic-gate } 11567c478bd9Sstevel@tonic-gate 11577c478bd9Sstevel@tonic-gate /* 11587c478bd9Sstevel@tonic-gate * Input: File descriptor 1159342440ecSPrasad Singamsetty * Output: 1 if disk has an EFI label, or > 2TB with no VTOC or legacy MBR. 1160342440ecSPrasad Singamsetty * Otherwise 0. 11617c478bd9Sstevel@tonic-gate */ 11627c478bd9Sstevel@tonic-gate int 11637c478bd9Sstevel@tonic-gate efi_type(int fd) 11647c478bd9Sstevel@tonic-gate { 11657c478bd9Sstevel@tonic-gate struct vtoc vtoc; 1166342440ecSPrasad Singamsetty struct extvtoc extvtoc; 11677c478bd9Sstevel@tonic-gate 1168342440ecSPrasad Singamsetty if (ioctl(fd, DKIOCGEXTVTOC, &extvtoc) == -1) { 1169342440ecSPrasad Singamsetty if (errno == ENOTSUP) 11707c478bd9Sstevel@tonic-gate return (1); 1171342440ecSPrasad Singamsetty else if (errno == ENOTTY) { 1172342440ecSPrasad Singamsetty if (ioctl(fd, DKIOCGVTOC, &vtoc) == -1) 1173342440ecSPrasad Singamsetty if (errno == ENOTSUP) 1174342440ecSPrasad Singamsetty return (1); 11757c478bd9Sstevel@tonic-gate } 11767c478bd9Sstevel@tonic-gate } 11777c478bd9Sstevel@tonic-gate return (0); 11787c478bd9Sstevel@tonic-gate } 11797c478bd9Sstevel@tonic-gate 11807c478bd9Sstevel@tonic-gate void 11817c478bd9Sstevel@tonic-gate efi_err_check(struct dk_gpt *vtoc) 11827c478bd9Sstevel@tonic-gate { 11837c478bd9Sstevel@tonic-gate int resv_part = -1; 11847c478bd9Sstevel@tonic-gate int i, j; 11857c478bd9Sstevel@tonic-gate diskaddr_t istart, jstart, isize, jsize, endsect; 11867c478bd9Sstevel@tonic-gate int overlap = 0; 11877c478bd9Sstevel@tonic-gate 11887c478bd9Sstevel@tonic-gate /* 11897c478bd9Sstevel@tonic-gate * make sure no partitions overlap 11907c478bd9Sstevel@tonic-gate */ 11917c478bd9Sstevel@tonic-gate for (i = 0; i < vtoc->efi_nparts; i++) { 11927c478bd9Sstevel@tonic-gate /* It can't be unassigned and have an actual size */ 11937c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_tag == V_UNASSIGNED) && 11947c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_size != 0)) { 11957c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 11967c478bd9Sstevel@tonic-gate "partition %d is \"unassigned\" but has a size " 11977c478bd9Sstevel@tonic-gate "of %llu\n", i, vtoc->efi_parts[i].p_size); 11987c478bd9Sstevel@tonic-gate } 11997c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED) { 12007c478bd9Sstevel@tonic-gate continue; 12017c478bd9Sstevel@tonic-gate } 12027c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_tag == V_RESERVED) { 12037c478bd9Sstevel@tonic-gate if (resv_part != -1) { 12047c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 12057c478bd9Sstevel@tonic-gate "found duplicate reserved partition at " 12067c478bd9Sstevel@tonic-gate "%d\n", i); 12077c478bd9Sstevel@tonic-gate } 12087c478bd9Sstevel@tonic-gate resv_part = i; 12097c478bd9Sstevel@tonic-gate if (vtoc->efi_parts[i].p_size != EFI_MIN_RESV_SIZE) 12107c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 12117c478bd9Sstevel@tonic-gate "Warning: reserved partition size must " 12127c478bd9Sstevel@tonic-gate "be %d sectors\n", EFI_MIN_RESV_SIZE); 12137c478bd9Sstevel@tonic-gate } 12147c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start < vtoc->efi_first_u_lba) || 12157c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start > vtoc->efi_last_u_lba)) { 12167c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 12177c478bd9Sstevel@tonic-gate "Partition %d starts at %llu\n", 12187c478bd9Sstevel@tonic-gate i, 12197c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start); 12207c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 12217c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 12227c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 12237c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 12247c478bd9Sstevel@tonic-gate } 12257c478bd9Sstevel@tonic-gate if ((vtoc->efi_parts[i].p_start + 12267c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size < 12277c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba) || 12287c478bd9Sstevel@tonic-gate (vtoc->efi_parts[i].p_start + 12297c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size > 12307c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba + 1)) { 12317c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 12327c478bd9Sstevel@tonic-gate "Partition %d ends at %llu\n", 12337c478bd9Sstevel@tonic-gate i, 12347c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_start + 12357c478bd9Sstevel@tonic-gate vtoc->efi_parts[i].p_size); 12367c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 12377c478bd9Sstevel@tonic-gate "It must be between %llu and %llu.\n", 12387c478bd9Sstevel@tonic-gate vtoc->efi_first_u_lba, 12397c478bd9Sstevel@tonic-gate vtoc->efi_last_u_lba); 12407c478bd9Sstevel@tonic-gate } 12417c478bd9Sstevel@tonic-gate 12427c478bd9Sstevel@tonic-gate for (j = 0; j < vtoc->efi_nparts; j++) { 12437c478bd9Sstevel@tonic-gate isize = vtoc->efi_parts[i].p_size; 12447c478bd9Sstevel@tonic-gate jsize = vtoc->efi_parts[j].p_size; 12457c478bd9Sstevel@tonic-gate istart = vtoc->efi_parts[i].p_start; 12467c478bd9Sstevel@tonic-gate jstart = vtoc->efi_parts[j].p_start; 12477c478bd9Sstevel@tonic-gate if ((i != j) && (isize != 0) && (jsize != 0)) { 12487c478bd9Sstevel@tonic-gate endsect = jstart + jsize -1; 12497c478bd9Sstevel@tonic-gate if ((jstart <= istart) && 12507c478bd9Sstevel@tonic-gate (istart <= endsect)) { 12517c478bd9Sstevel@tonic-gate if (!overlap) { 12527c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 12537c478bd9Sstevel@tonic-gate "label error: EFI Labels do not " 12547c478bd9Sstevel@tonic-gate "support overlapping partitions\n"); 12557c478bd9Sstevel@tonic-gate } 12567c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 12577c478bd9Sstevel@tonic-gate "Partition %d overlaps partition " 12587c478bd9Sstevel@tonic-gate "%d.\n", i, j); 12597c478bd9Sstevel@tonic-gate overlap = 1; 12607c478bd9Sstevel@tonic-gate } 12617c478bd9Sstevel@tonic-gate } 12627c478bd9Sstevel@tonic-gate } 12637c478bd9Sstevel@tonic-gate } 12647c478bd9Sstevel@tonic-gate /* make sure there is a reserved partition */ 12657c478bd9Sstevel@tonic-gate if (resv_part == -1) { 12667c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 1267af007057Syl "no reserved partition found\n"); 12687c478bd9Sstevel@tonic-gate } 12697c478bd9Sstevel@tonic-gate } 12707c478bd9Sstevel@tonic-gate 12717c478bd9Sstevel@tonic-gate /* 12727c478bd9Sstevel@tonic-gate * We need to get information necessary to construct a *new* efi 12737c478bd9Sstevel@tonic-gate * label type 12747c478bd9Sstevel@tonic-gate */ 12757c478bd9Sstevel@tonic-gate int 12767c478bd9Sstevel@tonic-gate efi_auto_sense(int fd, struct dk_gpt **vtoc) 12777c478bd9Sstevel@tonic-gate { 12787c478bd9Sstevel@tonic-gate 12797c478bd9Sstevel@tonic-gate int i; 12807c478bd9Sstevel@tonic-gate 12817c478bd9Sstevel@tonic-gate /* 12827c478bd9Sstevel@tonic-gate * Now build the default partition table 12837c478bd9Sstevel@tonic-gate */ 12847c478bd9Sstevel@tonic-gate if (efi_alloc_and_init(fd, EFI_NUMPAR, vtoc) != 0) { 12857c478bd9Sstevel@tonic-gate if (efi_debug) { 12867c478bd9Sstevel@tonic-gate (void) fprintf(stderr, "efi_alloc_and_init failed.\n"); 12877c478bd9Sstevel@tonic-gate } 12887c478bd9Sstevel@tonic-gate return (-1); 12897c478bd9Sstevel@tonic-gate } 12907c478bd9Sstevel@tonic-gate 12917c478bd9Sstevel@tonic-gate for (i = 0; i < min((*vtoc)->efi_nparts, V_NUMPAR); i++) { 12927c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_tag = default_vtoc_map[i].p_tag; 12937c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_flag = default_vtoc_map[i].p_flag; 12947c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_start = 0; 12957c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[i].p_size = 0; 12967c478bd9Sstevel@tonic-gate } 12977c478bd9Sstevel@tonic-gate /* 12987c478bd9Sstevel@tonic-gate * Make constants first 12997c478bd9Sstevel@tonic-gate * and variable partitions later 13007c478bd9Sstevel@tonic-gate */ 13017c478bd9Sstevel@tonic-gate 13027c478bd9Sstevel@tonic-gate /* root partition - s0 128 MB */ 13037c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[0].p_start = 34; 13047c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[0].p_size = 262144; 13057c478bd9Sstevel@tonic-gate 13067c478bd9Sstevel@tonic-gate /* partition - s1 128 MB */ 13077c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[1].p_start = 262178; 13087c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[1].p_size = 262144; 13097c478bd9Sstevel@tonic-gate 13107c478bd9Sstevel@tonic-gate /* partition -s2 is NOT the Backup disk */ 13117c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[2].p_tag = V_UNASSIGNED; 13127c478bd9Sstevel@tonic-gate 13137c478bd9Sstevel@tonic-gate /* partition -s6 /usr partition - HOG */ 13147c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[6].p_start = 524322; 13157c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[6].p_size = (*vtoc)->efi_last_u_lba - 524322 13167c478bd9Sstevel@tonic-gate - (1024 * 16); 13177c478bd9Sstevel@tonic-gate 13187c478bd9Sstevel@tonic-gate /* efi reserved partition - s9 16K */ 13197c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[8].p_start = (*vtoc)->efi_last_u_lba - (1024 * 16); 13207c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[8].p_size = (1024 * 16); 13217c478bd9Sstevel@tonic-gate (*vtoc)->efi_parts[8].p_tag = V_RESERVED; 13227c478bd9Sstevel@tonic-gate return (0); 13237c478bd9Sstevel@tonic-gate } 1324