| 1 | /* $NetBSD: disklabel_gpt.h,v 1.12 2013/11/24 08:17:50 jnemeth Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 2002 Marcel Moolenaar |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * |
| 11 | * 1. Redistributions of source code must retain the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer. |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer in the |
| 15 | * documentation and/or other materials provided with the distribution. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | * |
| 28 | * $FreeBSD: src/sys/sys/gpt.h,v 1.7 2004/08/02 18:46:52 marcel Exp $ |
| 29 | */ |
| 30 | |
| 31 | #ifndef _SYS_DISKLABEL_GPT_H_ |
| 32 | #define _SYS_DISKLABEL_GPT_H_ |
| 33 | |
| 34 | /* |
| 35 | * Definitions for the EFI GUID Partition Table disk partitioning scheme. |
| 36 | * |
| 37 | * NOTE: As EFI is an Intel specification, all fields are stored in |
| 38 | * little-endian byte-order. |
| 39 | */ |
| 40 | |
| 41 | /* |
| 42 | * GUID Partition Table Header |
| 43 | */ |
| 44 | struct gpt_hdr { |
| 45 | int8_t hdr_sig[8]; /* identifies GUID Partition Table */ |
| 46 | uint32_t hdr_revision; /* GPT specification revsion */ |
| 47 | uint32_t hdr_size; /* size of GPT Header */ |
| 48 | uint32_t hdr_crc_self; /* CRC32 of GPT Header */ |
| 49 | uint32_t hdr__rsvd0; /* must be zero */ |
| 50 | uint64_t hdr_lba_self; /* LBA that contains this Header */ |
| 51 | uint64_t hdr_lba_alt; /* LBA of backup GPT Header */ |
| 52 | uint64_t hdr_lba_start; /* first LBA usable for partitions */ |
| 53 | uint64_t hdr_lba_end; /* last LBA usable for partitions */ |
| 54 | uint8_t hdr_guid[16]; /* GUID to identify the disk */ |
| 55 | uint64_t hdr_lba_table; /* first LBA of GPE array */ |
| 56 | uint32_t hdr_entries; /* number of entries in GPE array */ |
| 57 | uint32_t hdr_entsz; /* size of each GPE */ |
| 58 | uint32_t hdr_crc_table; /* CRC32 of GPE array */ |
| 59 | /* |
| 60 | * The remainder of the block that contains the GPT Header |
| 61 | * is reserved by EFI for future GPT Header expansion, and |
| 62 | * must be zero. |
| 63 | */ |
| 64 | }; |
| 65 | |
| 66 | #define GPT_HDR_SIG "EFI PART" |
| 67 | #define GPT_HDR_REVISION 0x00010000 /* 1.0 */ |
| 68 | |
| 69 | #define GPT_HDR_BLKNO 1 |
| 70 | |
| 71 | #define GPT_HDR_SIZE 0x5c |
| 72 | |
| 73 | /* |
| 74 | * GUID Partition Entry |
| 75 | */ |
| 76 | struct gpt_ent { |
| 77 | uint8_t ent_type[16]; /* partition type GUID */ |
| 78 | uint8_t ent_guid[16]; /* unique partition GUID */ |
| 79 | uint64_t ent_lba_start; /* start of partition */ |
| 80 | uint64_t ent_lba_end; /* end of partition */ |
| 81 | uint64_t ent_attr; /* partition attributes */ |
| 82 | uint16_t ent_name[36]; /* partition name in UNICODE-16 */ |
| 83 | }; |
| 84 | |
| 85 | #define GPT_ENT_ATTR_REQUIRED_PARTITION (1ULL << 0) |
| 86 | /* required for platform to function */ |
| 87 | #define GPT_ENT_ATTR_NO_BLOCK_IO_PROTOCOL (1ULL << 1) |
| 88 | /* UEFI won't recognize file system */ |
| 89 | #define GPT_ENT_ATTR_LEGACY_BIOS_BOOTABLE (1ULL << 2) |
| 90 | /* legacy BIOS boot partition */ |
| 91 | /* The following three entries are from FreeBSD. */ |
| 92 | #define GPT_ENT_ATTR_BOOTME (1ULL << 59) |
| 93 | /* indicates a bootable partition */ |
| 94 | #define GPT_ENT_ATTR_BOOTONCE (1ULL << 58) |
| 95 | /* attempt to boot this partition only once */ |
| 96 | #define GPT_ENT_ATTR_BOOTFAILED (1ULL << 57) |
| 97 | /* partition that was marked bootonce but failed to boot */ |
| 98 | |
| 99 | /* |
| 100 | * Partition types defined by the EFI specification: |
| 101 | * |
| 102 | * GPT_ENT_TYPE_UNUSED Unused Entry |
| 103 | * GPT_ENT_TYPE_EFI EFI System Partition |
| 104 | * GPT_ENT_TYPE_MBR Partition containing legacy MBR |
| 105 | */ |
| 106 | #define GPT_ENT_TYPE_UNUSED \ |
| 107 | {0x00000000,0x0000,0x0000,0x00,0x00,{0x00,0x00,0x00,0x00,0x00,0x00}} |
| 108 | #define GPT_ENT_TYPE_EFI \ |
| 109 | {0xc12a7328,0xf81f,0x11d2,0xba,0x4b,{0x00,0xa0,0xc9,0x3e,0xc9,0x3b}} |
| 110 | #define GPT_ENT_TYPE_MBR \ |
| 111 | {0x024dee41,0x33e7,0x11d3,0x9d,0x69,{0x00,0x08,0xc7,0x81,0xf3,0x9f}} |
| 112 | |
| 113 | /* |
| 114 | * Partition types defined by other operating systems. |
| 115 | */ |
| 116 | #define GPT_ENT_TYPE_NETBSD_SWAP \ |
| 117 | {0x49f48d32,0xb10e,0x11dc,0xb9,0x9b,{0x00,0x19,0xd1,0x87,0x96,0x48}} |
| 118 | #define GPT_ENT_TYPE_NETBSD_FFS \ |
| 119 | {0x49f48d5a,0xb10e,0x11dc,0xb9,0x9b,{0x00,0x19,0xd1,0x87,0x96,0x48}} |
| 120 | #define GPT_ENT_TYPE_NETBSD_LFS \ |
| 121 | {0x49f48d82,0xb10e,0x11dc,0xb9,0x9b,{0x00,0x19,0xd1,0x87,0x96,0x48}} |
| 122 | #define GPT_ENT_TYPE_NETBSD_RAIDFRAME \ |
| 123 | {0x49f48daa,0xb10e,0x11dc,0xb9,0x9b,{0x00,0x19,0xd1,0x87,0x96,0x48}} |
| 124 | #define GPT_ENT_TYPE_NETBSD_CCD \ |
| 125 | {0x2db519c4,0xb10f,0x11dc,0xb9,0x9b,{0x00,0x19,0xd1,0x87,0x96,0x48}} |
| 126 | #define GPT_ENT_TYPE_NETBSD_CGD \ |
| 127 | {0x2db519ec,0xb10f,0x11dc,0xb9,0x9b,{0x00,0x19,0xd1,0x87,0x96,0x48}} |
| 128 | |
| 129 | #define GPT_ENT_TYPE_FREEBSD \ |
| 130 | {0x516e7cb4,0x6ecf,0x11d6,0x8f,0xf8,{0x00,0x02,0x2d,0x09,0x71,0x2b}} |
| 131 | #define GPT_ENT_TYPE_FREEBSD_SWAP \ |
| 132 | {0x516e7cb5,0x6ecf,0x11d6,0x8f,0xf8,{0x00,0x02,0x2d,0x09,0x71,0x2b}} |
| 133 | #define GPT_ENT_TYPE_FREEBSD_UFS \ |
| 134 | {0x516e7cb6,0x6ecf,0x11d6,0x8f,0xf8,{0x00,0x02,0x2d,0x09,0x71,0x2b}} |
| 135 | #define GPT_ENT_TYPE_FREEBSD_VINUM \ |
| 136 | {0x516e7cb8,0x6ecf,0x11d6,0x8f,0xf8,{0x00,0x02,0x2d,0x09,0x71,0x2b}} |
| 137 | #define GPT_ENT_TYPE_FREEBSD_ZFS \ |
| 138 | {0x516e7cba,0x6ecf,0x11d6,0x8f,0xf8,{0x00,0x02,0x2d,0x09,0x71,0x2b}} |
| 139 | /* |
| 140 | * The following are unused but documented here to avoid reuse. |
| 141 | * |
| 142 | * GPT_ENT_TYPE_FREEBSD_UFS2 \ |
| 143 | * {0x516e7cb7,0x6ecf,0x11d6,0x8f,0xf8,{0x00,0x02,0x2d,0x09,0x71,0x2b}} |
| 144 | */ |
| 145 | |
| 146 | #define GPT_ENT_TYPE_MS_RESERVED \ |
| 147 | {0xe3c9e316,0x0b5c,0x4db8,0x81,0x7d,{0xf9,0x2d,0xf0,0x02,0x15,0xae}} |
| 148 | #define GPT_ENT_TYPE_MS_BASIC_DATA \ |
| 149 | {0xebd0a0a2,0xb9e5,0x4433,0x87,0xc0,{0x68,0xb6,0xb7,0x26,0x99,0xc7}} |
| 150 | #define GPT_ENT_TYPE_MS_LDM_METADATA \ |
| 151 | {0x5808c8aa,0x7e8f,0x42e0,0x85,0xd2,{0xe1,0xe9,0x04,0x34,0xcf,0xb3}} |
| 152 | #define GPT_ENT_TYPE_MS_LDM_DATA \ |
| 153 | {0xaf9b60a0,0x1431,0x4f62,0xbc,0x68,{0x33,0x11,0x71,0x4a,0x69,0xad}} |
| 154 | |
| 155 | /* |
| 156 | * Linux originally used GPT_ENT_TYPE_MS_BASIC_DATA in place of |
| 157 | * GPT_ENT_TYPE_LINUX_DATA. |
| 158 | */ |
| 159 | #define GPT_ENT_TYPE_LINUX_DATA \ |
| 160 | {0x0fc63daf,0x8483,0x4772,0x8e,0x79,{0x3d,0x69,0xd8,0x47,0x7d,0xe4}} |
| 161 | #define GPT_ENT_TYPE_LINUX_RAID \ |
| 162 | {0xa19d880f,0x05fc,0x4d3b,0xa0,0x06,{0x74,0x3f,0x0f,0x84,0x91,0x1e}} |
| 163 | #define GPT_ENT_TYPE_LINUX_SWAP \ |
| 164 | {0x0657fd6d,0xa4ab,0x43c4,0x84,0xe5,{0x09,0x33,0xc8,0x4b,0x4f,0x4f}} |
| 165 | #define GPT_ENT_TYPE_LINUX_LVM \ |
| 166 | {0xe6d6d379,0xf507,0x44c2,0xa2,0x3c,{0x23,0x8f,0x2a,0x3d,0xf9,0x28}} |
| 167 | |
| 168 | #define GPT_ENT_TYPE_APPLE_HFS \ |
| 169 | {0x48465300,0x0000,0x11aa,0xaa,0x11,{0x00,0x30,0x65,0x43,0xec,0xac}} |
| 170 | #define GPT_ENT_TYPE_APPLE_UFS \ |
| 171 | {0x55465300,0x0000,0x11aa,0xaa,0x11,{0x00,0x30,0x65,0x43,0xec,0xac}} |
| 172 | |
| 173 | /* |
| 174 | * Used by GRUB 2. |
| 175 | */ |
| 176 | #define GPT_ENT_TYPE_BIOS \ |
| 177 | {0x21686148,0x6449,0x6e6f,0x74,0x4e,{0x65,0x65,0x64,0x45,0x46,0x49}} |
| 178 | |
| 179 | #endif /* _SYS_DISKLABEL_GPT_H_ */ |
| 180 | |