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| 1 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved. | 1 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved. |
| 2 * Use of this source code is governed by a BSD-style license that can be | 2 * Use of this source code is governed by a BSD-style license that can be |
| 3 * found in the LICENSE file. | 3 * found in the LICENSE file. |
| 4 * | 4 * |
| 5 * Defines EFI related structure. See more details in EFI 2.3 spec. | 5 * Defines EFI related structure. See more details in EFI 2.3 spec. |
| 6 * | 6 * |
| 7 * To download EFI standard, please visit UEFI homepage: | 7 * To download EFI standard, please visit UEFI homepage: |
| 8 * http://www.uefi.org/ | 8 * http://www.uefi.org/ |
| 9 */ | 9 */ |
| 10 #ifndef VBOOT_REFERENCE_CGPTLIB_GPT_H_ | 10 #ifndef VBOOT_REFERENCE_CGPTLIB_GPT_H_ |
| 11 #define VBOOT_REFERENCE_CGPTLIB_GPT_H_ | 11 #define VBOOT_REFERENCE_CGPTLIB_GPT_H_ |
| 12 | 12 |
| 13 #include <stdint.h> | 13 #include <stdint.h> |
| 14 | 14 |
| 15 #define GPT_HEADER_SIGNATURE "EFI PART" | 15 #define GPT_HEADER_SIGNATURE "EFI PART" |
| 16 #define GPT_HEADER_SIGNATURE_SIZE sizeof(GPT_HEADER_SIGNATURE) | 16 #define GPT_HEADER_SIGNATURE_SIZE sizeof(GPT_HEADER_SIGNATURE) |
| 17 #define GPT_HEADER_REVISION 0x00010000 | 17 #define GPT_HEADER_REVISION 0x00010000 |
| 18 | 18 |
| 19 /* The first 3 numbers should be stored in network-endian format | 19 /* The first 3 numbers should be stored in network-endian format |
| 20 * according to the GUID RFC. The UEFI spec appendix A claims they | 20 * according to the GUID RFC. The UEFI spec appendix A claims they |
| 21 * should be stored in little-endian format. But they need to be | 21 * should be stored in little-endian format. But they need to be |
| 22 * _displayed_ in network-endian format, which is also how they're | 22 * _displayed_ in network-endian format, which is also how they're |
| 23 * documented in the specs. | 23 * documented in the specs. |
| 24 * | 24 * |
| 25 * Since what we have here are little-endian constants, they're | 25 * Since what we have here are little-endian constants, they're |
| 26 * byte-swapped from the normal display order. */ | 26 * byte-swapped from the normal display order. */ |
| 27 #define GPT_ENT_TYPE_UNUSED \ | 27 #define GPT_ENT_TYPE_UNUSED \ |
| 28 {{{0x00000000,0x0000,0x0000,0x00,0x00,{0x00,0x00,0x00,0x00,0x00,0x00}}}} | 28 {{{0x00000000,0x0000,0x0000,0x00,0x00,{0x00,0x00,0x00,0x00,0x00,0x00}}}} |
| 29 /* Hey, that one's right regardless of endianness... */ | 29 #define GPT_ENT_TYPE_EFI \ |
| 30 {{{0xc12a7328,0xf81f,0x11d2,0xba,0x4b,{0x00,0xa0,0xc9,0x3e,0xc9,0x3b}}}} |
| 31 #define GPT_ENT_TYPE_CHROMEOS_KERNEL \ |
| 32 {{{0xfe3a2a5d,0x4f32,0x41a7,0xb7,0x25,{0xac,0xcc,0x32,0x85,0xa3,0x09}}}} |
| 33 #define GPT_ENT_TYPE_CHROMEOS_ROOTFS \ |
| 34 {{{0x3cb8e202,0x3b7e,0x47dd,0x8a,0x3c,{0x7f,0xf2,0xa1,0x3c,0xfc,0xec}}}} |
| 35 #define GPT_ENT_TYPE_CHROMEOS_RESERVED \ |
| 36 {{{0x2e0a753d,0x9e48,0x43b0,0x83,0x37,{0xb1,0x51,0x92,0xcb,0x1b,0x5e}}}} |
| 30 | 37 |
| 31 #define GPT_ENT_TYPE_EFI \ | |
| 32 {{{0x28732ac1,0x1ff8,0xd211,0xba,0x4b,{0x00,0xa0,0xc9,0x3e,0xc9,0x3b}}}} | |
| 33 /* c12a7328-f81f-11d2-ba4b-00a0c93ec93b */ | |
| 34 | |
| 35 #define GPT_ENT_TYPE_CHROMEOS_KERNEL \ | |
| 36 {{{0x5d2a3afe,0x324f,0xa741,0xb7,0x25,{0xac,0xcc,0x32,0x85,0xa3,0x09}}}} | |
| 37 /* FE3A2A5D-4F32-41A7-B725-ACCC3285A309 */ | |
| 38 | |
| 39 #define GPT_ENT_TYPE_CHROMEOS_ROOTFS \ | |
| 40 {{{0x02e2b83c,0x7e3b,0xdd47,0x8a,0x3c,{0x7f,0xf2,0xa1,0x3c,0xfc,0xec}}}} | |
| 41 /* 3CB8E202-3B7E-47DD-8A3C-7FF2A13CFCEC */ | |
| 42 | |
| 43 #define GPT_ENT_TYPE_CHROMEOS_RESERVED \ | |
| 44 {{{0x3d750a2e,0x489e,0xb043,0x83,0x37,{0xb1,0x51,0x92,0xcb,0x1b,0x5e}}}} | |
| 45 /* 2e0a753d-9e48-43b0-8337-b15192cb1b5e */ | |
| 46 | 38 |
| 47 #define UUID_NODE_LEN 6 | 39 #define UUID_NODE_LEN 6 |
| 48 #define GUID_SIZE 16 | 40 #define GUID_SIZE 16 |
| 49 | 41 |
| 50 /* GUID definition. | 42 /* GUID definition. |
| 51 * Defined in appendix A of EFI standard. | 43 * Defined in appendix A of EFI standard. |
| 52 */ | 44 */ |
| 53 typedef struct { | 45 typedef struct { |
| 54 union { | 46 union { |
| 55 struct { | 47 struct { |
| (...skipping 41 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 97 typedef struct { | 89 typedef struct { |
| 98 Guid type; | 90 Guid type; |
| 99 Guid unique; | 91 Guid unique; |
| 100 uint64_t starting_lba; | 92 uint64_t starting_lba; |
| 101 uint64_t ending_lba; | 93 uint64_t ending_lba; |
| 102 uint64_t attributes; | 94 uint64_t attributes; |
| 103 uint16_t name[36]; /* UTF-16 encoded partition name */ | 95 uint16_t name[36]; /* UTF-16 encoded partition name */ |
| 104 } GptEntry; | 96 } GptEntry; |
| 105 | 97 |
| 106 #endif /* VBOOT_REFERENCE_CGPTLIB_GPT_H_ */ | 98 #endif /* VBOOT_REFERENCE_CGPTLIB_GPT_H_ */ |
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