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
38struct 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
49typedef GPT_UUID_TYPE gpt_uuid_t;
50
51#ifdef CTASSERT
52CTASSERT(sizeof(gpt_uuid_t) == 16);
53#endif
54
55struct 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
82CTASSERT(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
92struct 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
105CTASSERT(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#define GPT_ENT_TYPE_U_BOOT_ENV \
263 {0x3de21764,0x95bd,0x54bd,0xa5,0xc3,{0x4a,0xbe,0x78,0x6f,0x38,0xa8}}
264
265/*
266 * Boot partition used by GRUB 2.
267 */
268#define GPT_ENT_TYPE_BIOS_BOOT \
269 {0x21686148,0x6449,0x6e6f,0x74,0x4e,{0x65,0x65,0x64,0x45,0x46,0x49}}
270
271#endif /* _SYS_DISK_GPT_H_ */