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 * $FreeBSD: src/sys/sys/gpt.h,v 1.10 2006/06/22 22:11:12 marcel Exp $ 27 * $DragonFly: src/sys/sys/gpt.h,v 1.3 2007/06/19 06:07:51 dillon Exp $ 28 */ 29 30 #ifndef _SYS_GPT_H_ 31 #define _SYS_GPT_H_ 32 33 #include <sys/uuid.h> 34 35 struct gpt_hdr { 36 char hdr_sig[8]; 37 uint32_t hdr_revision; 38 uint32_t hdr_size; 39 uint32_t hdr_crc_self; 40 uint32_t __reserved; 41 uint64_t hdr_lba_self; 42 uint64_t hdr_lba_alt; 43 uint64_t hdr_lba_start; 44 uint64_t hdr_lba_end; 45 struct uuid hdr_uuid; 46 uint64_t hdr_lba_table; 47 uint32_t hdr_entries; 48 uint32_t hdr_entsz; 49 uint32_t hdr_crc_table; 50 /* 51 * The header as defined in the EFI spec is not a multiple of 8 bytes 52 * and given that the alignment requirement is on an 8 byte boundary, 53 * padding will happen. We make the padding explicit so that we can 54 * correct the value returned by sizeof() when we put the size of the 55 * header in field hdr_size, or otherwise use offsetof(). 56 */ 57 uint32_t padding; 58 }; 59 60 #define GPT_MIN_HDR_SIZE offsetof(struct gpt_hdr, padding) 61 #define GPT_HDR_SIG "EFI PART" 62 #define GPT_HDR_REVISION 0x00010000 63 64 struct gpt_ent { 65 struct uuid ent_type; 66 struct uuid ent_uuid; 67 uint64_t ent_lba_start; 68 uint64_t ent_lba_end; 69 uint64_t ent_attr; 70 uint16_t ent_name[36]; /* UTF-16. */ 71 }; 72 73 #define GPT_ENT_ATTR_PLATFORM (1ULL << 0) 74 75 76 #define GPT_ENT_TYPE_UNUSED \ 77 {0x00000000,0x0000,0x0000,0x00,0x00,{0x00,0x00,0x00,0x00,0x00,0x00}} 78 #define GPT_ENT_TYPE_EFI \ 79 {0xc12a7328,0xf81f,0x11d2,0xba,0x4b,{0x00,0xa0,0xc9,0x3e,0xc9,0x3b}} 80 #define GPT_ENT_TYPE_MBR \ 81 {0x024dee41,0x33e7,0x11d3,0x9d,0x69,{0x00,0x08,0xc7,0x81,0xf3,0x9f}} 82 83 #define GPT_ENT_TYPE_DRAGONFLY_LABEL32 \ 84 {0x9d087404,0x1ca5,0x11dc,0x88,0x17,{0x01,0x30,0x1b,0xb8,0xa9,0xf5}} 85 #define GPT_ENT_TYPE_DRAGONFLY_SWAP \ 86 {0x9d58fdbd,0x1ca5,0x11dc,0x88,0x17,{0x01,0x30,0x1b,0xb8,0xa9,0xf5}} 87 #define GPT_ENT_TYPE_DRAGONFLY_UFS1 \ 88 {0x9d94ce7c,0x1ca5,0x11dc,0x88,0x17,{0x01,0x30,0x1b,0xb8,0xa9,0xf5}} 89 #define GPT_ENT_TYPE_DRAGONFLY_VINUM \ 90 {0x9dd4478f,0x1ca5,0x11dc,0x88,0x17,{0x01,0x30,0x1b,0xb8,0xa9,0xf5}} 91 #define GPT_ENT_TYPE_DRAGONFLY_CCD \ 92 {0xdbd5211b,0x1ca5,0x11dc,0x88,0x17,{0x01,0x30,0x1b,0xb8,0xa9,0xf5}} 93 #define GPT_ENT_TYPE_DRAGONFLY_LABEL64 \ 94 {0x3d48ce54,0x1d16,0x11dc,0x86,0x96,{0x01,0x30,0x1b,0xb8,0xa9,0xf5}} 95 #define GPT_ENT_TYPE_DRAGONFLY_LEGACY \ 96 {0xbd215ab2,0x1d16,0x11dc,0x86,0x96,{0x01,0x30,0x1b,0xb8,0xa9,0xf5}} 97 98 #define GPT_ENT_TYPE_FREEBSD \ 99 {0x516e7cb4,0x6ecf,0x11d6,0x8f,0xf8,{0x00,0x02,0x2d,0x09,0x71,0x2b}} 100 #define GPT_ENT_TYPE_FREEBSD_SWAP \ 101 {0x516e7cb5,0x6ecf,0x11d6,0x8f,0xf8,{0x00,0x02,0x2d,0x09,0x71,0x2b}} 102 #define GPT_ENT_TYPE_FREEBSD_UFS \ 103 {0x516e7cb6,0x6ecf,0x11d6,0x8f,0xf8,{0x00,0x02,0x2d,0x09,0x71,0x2b}} 104 #define GPT_ENT_TYPE_FREEBSD_VINUM \ 105 {0x516e7cb8,0x6ecf,0x11d6,0x8f,0xf8,{0x00,0x02,0x2d,0x09,0x71,0x2b}} 106 107 /* 108 * The following are unused but documented here to avoid reuse. 109 * 110 * GPT_ENT_TYPE_FREEBSD_UFS2 \ 111 * {0x516e7cb7,0x6ecf,0x11d6,0x8f,0xf8,{0x00,0x02,0x2d,0x09,0x71,0x2b}} 112 */ 113 114 /* 115 * Foreign partition types that we're likely to encounter. Note that Linux 116 * apparently choose to share data partitions with MS. I don't what the 117 * advantage might be. I can see how sharing swap partitions is advantaous 118 * though. 119 */ 120 #define GPT_ENT_TYPE_MS_RESERVED \ 121 {0xe3c9e316,0x0b5c,0x4db8,0x81,0x7d,{0xf9,0x2d,0xf0,0x02,0x15,0xae}} 122 #define GPT_ENT_TYPE_MS_BASIC_DATA \ 123 {0xebd0a0a2,0xb9e5,0x4433,0x87,0xc0,{0x68,0xb6,0xb7,0x26,0x99,0xc7}} 124 #define GPT_ENT_TYPE_MS_LDM_METADATA \ 125 {0x5808c8aa,0x7e8f,0x42e0,0x85,0xd2,{0xe1,0xe9,0x04,0x34,0xcf,0xb3}} 126 #define GPT_ENT_TYPE_MS_LDM_DATA \ 127 {0xaf9b60a0,0x1431,0x4f62,0xbc,0x68,{0x33,0x11,0x71,0x4a,0x69,0xad}} 128 129 #define GPT_ENT_TYPE_LINUX_DATA GPT_ENT_TYPE_MS_BASIC_DATA 130 #define GPT_ENT_TYPE_LINUX_RAID \ 131 {0xa19d880f,0x05fc,0x4d3b,0xa0,0x06,{0x74,0x3f,0x0f,0x84,0x91,0x1e}} 132 #define GPT_ENT_TYPE_LINUX_SWAP \ 133 {0x0657fd6d,0xa4ab,0x43c4,0x84,0xe5,{0x09,0x33,0xc8,0x4b,0x4f,0x4f}} 134 #define GPT_ENT_TYPE_LINUX_LVM \ 135 {0xe6d6d379,0xf507,0x44c2,0xa2,0x3c,{0x23,0x8f,0x2a,0x3d,0xf9,0x28}} 136 137 #define GPT_ENT_TYPE_APPLE_HFS \ 138 {0x48465300,0x0000,0x11aa,0xaa,0x11,{0x00,0x30,0x65,0x43,0xec,0xac}} 139 140 #endif /* _SYS_GPT_H_ */ 141