1 /*- 2 * Copyright (c) 2002 Marcel Moolenaar 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef _SYS_DISK_GPT_H_ 28 #define _SYS_DISK_GPT_H_ 29 30 #include <sys/types.h> 31 32 /* 33 * Applications can define GPT_UUID_TYPE if they want the GPT structures 34 * to use a particular type definition for UUIDs/GUIDs. This header uses 35 * a generic (DCE 1.1 compatible) definition otherwise. 36 */ 37 #ifndef GPT_UUID_TYPE 38 struct gpt_uuid { 39 uint32_t time_low; 40 uint16_t time_mid; 41 uint16_t time_hi_and_version; 42 uint8_t clock_seq_hi_and_reserved; 43 uint8_t clock_seq_low; 44 uint8_t node[6]; 45 }; 46 #define GPT_UUID_TYPE struct gpt_uuid 47 #endif /* !GPT_UUID_TYPE */ 48 49 typedef GPT_UUID_TYPE gpt_uuid_t; 50 51 #ifdef CTASSERT 52 CTASSERT(sizeof(gpt_uuid_t) == 16); 53 #endif 54 55 struct gpt_hdr { 56 char hdr_sig[8]; 57 #define GPT_HDR_SIG "EFI PART" 58 uint32_t hdr_revision; 59 #define GPT_HDR_REVISION 0x00010000 60 uint32_t hdr_size; 61 uint32_t hdr_crc_self; 62 uint32_t __reserved; 63 uint64_t hdr_lba_self; 64 uint64_t hdr_lba_alt; 65 uint64_t hdr_lba_start; 66 uint64_t hdr_lba_end; 67 gpt_uuid_t hdr_uuid; 68 uint64_t hdr_lba_table; 69 uint32_t hdr_entries; 70 uint32_t hdr_entsz; 71 uint32_t hdr_crc_table; 72 /* 73 * The header as defined in the EFI spec is not a multiple of 8 bytes 74 * and given that the alignment requirement is on an 8 byte boundary, 75 * padding will happen. We make the padding explicit so that we can 76 * correct the value returned by sizeof() when we put the size of the 77 * header in field hdr_size, or otherwise use offsetof(). 78 */ 79 uint32_t padding; 80 }; 81 #ifdef CTASSERT 82 CTASSERT(offsetof(struct gpt_hdr, padding) == 92); 83 #endif 84 85 /* 86 * The GPT standard (section 5.3 of UEFI standard version 2.10) requires 87 * we reserve at least 16k after the PMBR and the GPT header for the GPT 88 * Array Entries. 89 */ 90 #define GPT_MIN_RESERVED 16384 91 92 struct gpt_ent { 93 gpt_uuid_t ent_type; 94 gpt_uuid_t ent_uuid; 95 uint64_t ent_lba_start; 96 uint64_t ent_lba_end; 97 uint64_t ent_attr; 98 #define GPT_ENT_ATTR_PLATFORM (1ULL << 0) 99 #define GPT_ENT_ATTR_BOOTME (1ULL << 59) 100 #define GPT_ENT_ATTR_BOOTONCE (1ULL << 58) 101 #define GPT_ENT_ATTR_BOOTFAILED (1ULL << 57) 102 uint16_t ent_name[36]; /* UTF-16. */ 103 }; 104 #ifdef CTASSERT 105 CTASSERT(sizeof(struct gpt_ent) == 128); 106 #endif /* CTASSERT */ 107 108 #define GPT_ENT_TYPE_UNUSED \ 109 {0x00000000,0x0000,0x0000,0x00,0x00,{0x00,0x00,0x00,0x00,0x00,0x00}} 110 #define GPT_ENT_TYPE_EFI \ 111 {0xc12a7328,0xf81f,0x11d2,0xba,0x4b,{0x00,0xa0,0xc9,0x3e,0xc9,0x3b}} 112 #define GPT_ENT_TYPE_MBR \ 113 {0x024dee41,0x33e7,0x11d3,0x9d,0x69,{0x00,0x08,0xc7,0x81,0xf3,0x9f}} 114 #define GPT_ENT_TYPE_FREEBSD \ 115 {0x516e7cb4,0x6ecf,0x11d6,0x8f,0xf8,{0x00,0x02,0x2d,0x09,0x71,0x2b}} 116 #define GPT_ENT_TYPE_FREEBSD_BOOT \ 117 {0x83bd6b9d,0x7f41,0x11dc,0xbe,0x0b,{0x00,0x15,0x60,0xb8,0x4f,0x0f}} 118 #define GPT_ENT_TYPE_FREEBSD_NANDFS \ 119 {0x74ba7dd9,0xa689,0x11e1,0xbd,0x04,{0x00,0xe0,0x81,0x28,0x6a,0xcf}} 120 #define GPT_ENT_TYPE_FREEBSD_SWAP \ 121 {0x516e7cb5,0x6ecf,0x11d6,0x8f,0xf8,{0x00,0x02,0x2d,0x09,0x71,0x2b}} 122 #define GPT_ENT_TYPE_FREEBSD_UFS \ 123 {0x516e7cb6,0x6ecf,0x11d6,0x8f,0xf8,{0x00,0x02,0x2d,0x09,0x71,0x2b}} 124 #define GPT_ENT_TYPE_FREEBSD_VINUM \ 125 {0x516e7cb8,0x6ecf,0x11d6,0x8f,0xf8,{0x00,0x02,0x2d,0x09,0x71,0x2b}} 126 #define GPT_ENT_TYPE_FREEBSD_ZFS \ 127 {0x516e7cba,0x6ecf,0x11d6,0x8f,0xf8,{0x00,0x02,0x2d,0x09,0x71,0x2b}} 128 #define GPT_ENT_TYPE_PREP_BOOT \ 129 {0x9e1a2d38,0xc612,0x4316,0xaa,0x26,{0x8b,0x49,0x52,0x1e,0x5a,0x8b}} 130 131 /* 132 * The following are unused but documented here to avoid reuse. 133 * 134 * GPT_ENT_TYPE_FREEBSD_UFS2 \ 135 * {0x516e7cb7,0x6ecf,0x11d6,0x8f,0xf8,{0x00,0x02,0x2d,0x09,0x71,0x2b}} 136 */ 137 138 /* 139 * Foreign partition types that we're likely to encounter. Note that Linux 140 * apparently choose to share data partitions with MS. I don't what the 141 * advantage might be. I can see how sharing swap partitions is advantageous 142 * though. 143 */ 144 #define GPT_ENT_TYPE_MS_BASIC_DATA \ 145 {0xebd0a0a2,0xb9e5,0x4433,0x87,0xc0,{0x68,0xb6,0xb7,0x26,0x99,0xc7}} 146 #define GPT_ENT_TYPE_MS_LDM_DATA \ 147 {0xaf9b60a0,0x1431,0x4f62,0xbc,0x68,{0x33,0x11,0x71,0x4a,0x69,0xad}} 148 #define GPT_ENT_TYPE_MS_LDM_METADATA \ 149 {0x5808c8aa,0x7e8f,0x42e0,0x85,0xd2,{0xe1,0xe9,0x04,0x34,0xcf,0xb3}} 150 #define GPT_ENT_TYPE_MS_RECOVERY \ 151 {0xde94bba4,0x06d1,0x4d40,0xa1,0x6a,{0xbf,0xd5,0x01,0x79,0xd6,0xac}} 152 #define GPT_ENT_TYPE_MS_RESERVED \ 153 {0xe3c9e316,0x0b5c,0x4db8,0x81,0x7d,{0xf9,0x2d,0xf0,0x02,0x15,0xae}} 154 #define GPT_ENT_TYPE_MS_SPACES \ 155 {0xe75caf8f,0xf680,0x4cee,0xaf,0xa3,{0xb0,0x01,0xe5,0x6e,0xfc,0x2d}} 156 157 #define GPT_ENT_TYPE_LINUX_DATA \ 158 {0x0fc63daf,0x8483,0x4772,0x8e,0x79,{0x3d,0x69,0xd8,0x47,0x7d,0xe4}} 159 #define GPT_ENT_TYPE_LINUX_RAID \ 160 {0xa19d880f,0x05fc,0x4d3b,0xa0,0x06,{0x74,0x3f,0x0f,0x84,0x91,0x1e}} 161 #define GPT_ENT_TYPE_LINUX_SWAP \ 162 {0x0657fd6d,0xa4ab,0x43c4,0x84,0xe5,{0x09,0x33,0xc8,0x4b,0x4f,0x4f}} 163 #define GPT_ENT_TYPE_LINUX_LVM \ 164 {0xe6d6d379,0xf507,0x44c2,0xa2,0x3c,{0x23,0x8f,0x2a,0x3d,0xf9,0x28}} 165 166 #define GPT_ENT_TYPE_VMFS \ 167 {0xaa31e02a,0x400f,0x11db,0x95,0x90,{0x00,0x0c,0x29,0x11,0xd1,0xb8}} 168 #define GPT_ENT_TYPE_VMKDIAG \ 169 {0x9d275380,0x40ad,0x11db,0xbf,0x97,{0x00,0x0c,0x29,0x11,0xd1,0xb8}} 170 #define GPT_ENT_TYPE_VMRESERVED \ 171 {0x9198effc,0x31c0,0x11db,0x8f,0x78,{0x00,0x0c,0x29,0x11,0xd1,0xb8}} 172 #define GPT_ENT_TYPE_VMVSANHDR \ 173 {0x381cfccc,0x7288,0x11e0,0x92,0xee,{0x00,0x0c,0x29,0x11,0xd0,0xb2}} 174 175 #define GPT_ENT_TYPE_APPLE_BOOT \ 176 {0x426F6F74,0x0000,0x11aa,0xaa,0x11,{0x00,0x30,0x65,0x43,0xec,0xac}} 177 #define GPT_ENT_TYPE_APPLE_HFS \ 178 {0x48465300,0x0000,0x11aa,0xaa,0x11,{0x00,0x30,0x65,0x43,0xec,0xac}} 179 #define GPT_ENT_TYPE_APPLE_UFS \ 180 {0x55465300,0x0000,0x11aa,0xaa,0x11,{0x00,0x30,0x65,0x43,0xec,0xac}} 181 #define GPT_ENT_TYPE_APPLE_ZFS \ 182 {0x6a898cc3,0x1dd2,0x11b2,0x99,0xa6,{0x08,0x00,0x20,0x73,0x66,0x31}} 183 #define GPT_ENT_TYPE_APPLE_RAID \ 184 {0x52414944,0x0000,0x11aa,0xaa,0x22,{0x00,0x30,0x65,0x43,0xec,0xac}} 185 #define GPT_ENT_TYPE_APPLE_RAID_OFFLINE \ 186 {0x52414944,0x5f4f,0x11aa,0xaa,0x22,{0x00,0x30,0x65,0x43,0xec,0xac}} 187 #define GPT_ENT_TYPE_APPLE_LABEL \ 188 {0x4C616265,0x6c00,0x11aa,0xaa,0x11,{0x00,0x30,0x65,0x43,0xec,0xac}} 189 #define GPT_ENT_TYPE_APPLE_TV_RECOVERY \ 190 {0x5265636f,0x7665,0x11AA,0xaa,0x11,{0x00,0x30,0x65,0x43,0xec,0xac}} 191 #define GPT_ENT_TYPE_APPLE_CORE_STORAGE \ 192 {0x53746f72,0x6167,0x11AA,0xaa,0x11,{0x00,0x30,0x65,0x43,0xec,0xac}} 193 #define GPT_ENT_TYPE_APPLE_APFS \ 194 {0x7c3457ef,0x0000,0x11aa,0xaa,0x11,{0x00,0x30,0x65,0x43,0xec,0xac}} 195 196 #define GPT_ENT_TYPE_NETBSD_FFS \ 197 {0x49f48d5a,0xb10e,0x11dc,0xb9,0x9b,{0x00,0x19,0xd1,0x87,0x96,0x48}} 198 #define GPT_ENT_TYPE_NETBSD_LFS \ 199 {0x49f48d82,0xb10e,0x11dc,0xb9,0x9b,{0x00,0x19,0xd1,0x87,0x96,0x48}} 200 #define GPT_ENT_TYPE_NETBSD_SWAP \ 201 {0x49f48d32,0xb10e,0x11dc,0xB9,0x9B,{0x00,0x19,0xd1,0x87,0x96,0x48}} 202 #define GPT_ENT_TYPE_NETBSD_RAID \ 203 {0x49f48daa,0xb10e,0x11dc,0xb9,0x9b,{0x00,0x19,0xd1,0x87,0x96,0x48}} 204 #define GPT_ENT_TYPE_NETBSD_CCD \ 205 {0x2db519c4,0xb10f,0x11dc,0xb9,0x9b,{0x00,0x19,0xd1,0x87,0x96,0x48}} 206 #define GPT_ENT_TYPE_NETBSD_CGD \ 207 {0x2db519ec,0xb10f,0x11dc,0xb9,0x9b,{0x00,0x19,0xd1,0x87,0x96,0x48}} 208 209 #define GPT_ENT_TYPE_DRAGONFLY_LABEL32 \ 210 {0x9d087404,0x1ca5,0x11dc,0x88,0x17,{0x01,0x30,0x1b,0xb8,0xa9,0xf5}} 211 #define GPT_ENT_TYPE_DRAGONFLY_SWAP \ 212 {0x9d58fdbd,0x1ca5,0x11dc,0x88,0x17,{0x01,0x30,0x1b,0xb8,0xa9,0xf5}} 213 #define GPT_ENT_TYPE_DRAGONFLY_UFS1 \ 214 {0x9d94ce7c,0x1ca5,0x11dc,0x88,0x17,{0x01,0x30,0x1b,0xb8,0xa9,0xf5}} 215 #define GPT_ENT_TYPE_DRAGONFLY_VINUM \ 216 {0x9dd4478f,0x1ca5,0x11dc,0x88,0x17,{0x01,0x30,0x1b,0xb8,0xa9,0xf5}} 217 #define GPT_ENT_TYPE_DRAGONFLY_CCD \ 218 {0xdbd5211b,0x1ca5,0x11dc,0x88,0x17,{0x01,0x30,0x1b,0xb8,0xa9,0xf5}} 219 #define GPT_ENT_TYPE_DRAGONFLY_LABEL64 \ 220 {0x3d48ce54,0x1d16,0x11dc,0x86,0x96,{0x01,0x30,0x1b,0xb8,0xa9,0xf5}} 221 #define GPT_ENT_TYPE_DRAGONFLY_LEGACY \ 222 {0xbd215ab2,0x1d16,0x11dc,0x86,0x96,{0x01,0x30,0x1b,0xb8,0xa9,0xf5}} 223 #define GPT_ENT_TYPE_DRAGONFLY_HAMMER \ 224 {0x61dc63ac,0x6e38,0x11dc,0x85,0x13,{0x01,0x30,0x1b,0xb8,0xa9,0xf5}} 225 #define GPT_ENT_TYPE_DRAGONFLY_HAMMER2 \ 226 {0x5cbb9ad1,0x862d,0x11dc,0xa9,0x4d,{0x01,0x30,0x1b,0xb8,0xa9,0xf5}} 227 228 #define GPT_ENT_TYPE_CHROMEOS_FIRMWARE \ 229 {0xcab6e88e,0xabf3,0x4102,0xa0,0x7a,{0xd4,0xbb,0x9b,0xe3,0xc1,0xd3}} 230 #define GPT_ENT_TYPE_CHROMEOS_KERNEL \ 231 {0xfe3a2a5d,0x4f32,0x41a7,0xb7,0x25,{0xac,0xcc,0x32,0x85,0xa3,0x09}} 232 #define GPT_ENT_TYPE_CHROMEOS_RESERVED \ 233 {0x2e0a753d,0x9e48,0x43b0,0x83,0x37,{0xb1,0x51,0x92,0xcb,0x1b,0x5e}} 234 #define GPT_ENT_TYPE_CHROMEOS_ROOT \ 235 {0x3cb8e202,0x3b7e,0x47dd,0x8a,0x3c,{0x7f,0xf2,0xa1,0x3c,0xfc,0xec}} 236 237 #define GPT_ENT_TYPE_OPENBSD_DATA \ 238 {0x824cc7a0,0x36a8,0x11e3,0x89,0x0a,{0x95,0x25,0x19,0xad,0x3f,0x61}} 239 240 #define GPT_ENT_TYPE_SOLARIS_BOOT \ 241 {0x6a82cb45,0x1dd2,0x11b2,0x99,0xa6,{0x08,0x00,0x20,0x73,0x66,0x31}} 242 #define GPT_ENT_TYPE_SOLARIS_ROOT \ 243 {0x6a85cf4d,0x1dd2,0x11b2,0x99,0xa6,{0x08,0x00,0x20,0x73,0x66,0x31}} 244 #define GPT_ENT_TYPE_SOLARIS_SWAP \ 245 {0x6a87c46f,0x1dd2,0x11b2,0x99,0xa6,{0x08,0x00,0x20,0x73,0x66,0x31}} 246 #define GPT_ENT_TYPE_SOLARIS_BACKUP \ 247 {0x6a8b642b,0x1dd2,0x11b2,0x99,0xa6,{0x08,0x00,0x20,0x73,0x66,0x31}} 248 #define GPT_ENT_TYPE_SOLARIS_VAR \ 249 {0x6a8ef2e9,0x1dd2,0x11b2,0x99,0xa6,{0x08,0x00,0x20,0x73,0x66,0x31}} 250 #define GPT_ENT_TYPE_SOLARIS_HOME \ 251 {0x6a90ba39,0x1dd2,0x11b2,0x99,0xa6,{0x08,0x00,0x20,0x73,0x66,0x31}} 252 #define GPT_ENT_TYPE_SOLARIS_ALTSEC \ 253 {0x6a9283a5,0x1dd2,0x11b2,0x99,0xa6,{0x08,0x00,0x20,0x73,0x66,0x31}} 254 #define GPT_ENT_TYPE_SOLARIS_RESERVED \ 255 {0x6a945a3b,0x1dd2,0x11b2,0x99,0xa6,{0x08,0x00,0x20,0x73,0x66,0x31}} 256 257 #define GPT_ENT_TYPE_HIFIVE_FSBL \ 258 {0x5b193300,0xfc78,0x40cd,0x80,0x02,{0xe8,0x6c,0x45,0x58,0x0b,0x47}} 259 #define GPT_ENT_TYPE_HIFIVE_BBL \ 260 {0x2e54b353,0x1271,0x4842,0x80,0x6f,{0xe4,0x36,0xd6,0xaf,0x69,0x85}} 261 262 /* 263 * Boot partition used by GRUB 2. 264 */ 265 #define GPT_ENT_TYPE_BIOS_BOOT \ 266 {0x21686148,0x6449,0x6e6f,0x74,0x4e,{0x65,0x65,0x64,0x45,0x46,0x49}} 267 268 #endif /* _SYS_DISK_GPT_H_ */ 269