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Diffstat (limited to 'block/partitions/efi.h')
-rw-r--r-- | block/partitions/efi.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/block/partitions/efi.h b/block/partitions/efi.h new file mode 100644 index 000000000000..b69ab729558f --- /dev/null +++ b/block/partitions/efi.h | |||
@@ -0,0 +1,134 @@ | |||
1 | /************************************************************ | ||
2 | * EFI GUID Partition Table | ||
3 | * Per Intel EFI Specification v1.02 | ||
4 | * http://developer.intel.com/technology/efi/efi.htm | ||
5 | * | ||
6 | * By Matt Domsch <Matt_Domsch@dell.com> Fri Sep 22 22:15:56 CDT 2000 | ||
7 | * Copyright 2000,2001 Dell Inc. | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or modify | ||
10 | * it under the terms of the GNU General Public License as published by | ||
11 | * the Free Software Foundation; either version 2 of the License, or | ||
12 | * (at your option) any later version. | ||
13 | * | ||
14 | * This program is distributed in the hope that it will be useful, | ||
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
17 | * GNU General Public License for more details. | ||
18 | * | ||
19 | * You should have received a copy of the GNU General Public License | ||
20 | * along with this program; if not, write to the Free Software | ||
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
22 | * | ||
23 | ************************************************************/ | ||
24 | |||
25 | #ifndef FS_PART_EFI_H_INCLUDED | ||
26 | #define FS_PART_EFI_H_INCLUDED | ||
27 | |||
28 | #include <linux/types.h> | ||
29 | #include <linux/fs.h> | ||
30 | #include <linux/genhd.h> | ||
31 | #include <linux/kernel.h> | ||
32 | #include <linux/major.h> | ||
33 | #include <linux/string.h> | ||
34 | #include <linux/efi.h> | ||
35 | |||
36 | #define MSDOS_MBR_SIGNATURE 0xaa55 | ||
37 | #define EFI_PMBR_OSTYPE_EFI 0xEF | ||
38 | #define EFI_PMBR_OSTYPE_EFI_GPT 0xEE | ||
39 | |||
40 | #define GPT_HEADER_SIGNATURE 0x5452415020494645ULL | ||
41 | #define GPT_HEADER_REVISION_V1 0x00010000 | ||
42 | #define GPT_PRIMARY_PARTITION_TABLE_LBA 1 | ||
43 | |||
44 | #define PARTITION_SYSTEM_GUID \ | ||
45 | EFI_GUID( 0xC12A7328, 0xF81F, 0x11d2, \ | ||
46 | 0xBA, 0x4B, 0x00, 0xA0, 0xC9, 0x3E, 0xC9, 0x3B) | ||
47 | #define LEGACY_MBR_PARTITION_GUID \ | ||
48 | EFI_GUID( 0x024DEE41, 0x33E7, 0x11d3, \ | ||
49 | 0x9D, 0x69, 0x00, 0x08, 0xC7, 0x81, 0xF3, 0x9F) | ||
50 | #define PARTITION_MSFT_RESERVED_GUID \ | ||
51 | EFI_GUID( 0xE3C9E316, 0x0B5C, 0x4DB8, \ | ||
52 | 0x81, 0x7D, 0xF9, 0x2D, 0xF0, 0x02, 0x15, 0xAE) | ||
53 | #define PARTITION_BASIC_DATA_GUID \ | ||
54 | EFI_GUID( 0xEBD0A0A2, 0xB9E5, 0x4433, \ | ||
55 | 0x87, 0xC0, 0x68, 0xB6, 0xB7, 0x26, 0x99, 0xC7) | ||
56 | #define PARTITION_LINUX_RAID_GUID \ | ||
57 | EFI_GUID( 0xa19d880f, 0x05fc, 0x4d3b, \ | ||
58 | 0xa0, 0x06, 0x74, 0x3f, 0x0f, 0x84, 0x91, 0x1e) | ||
59 | #define PARTITION_LINUX_SWAP_GUID \ | ||
60 | EFI_GUID( 0x0657fd6d, 0xa4ab, 0x43c4, \ | ||
61 | 0x84, 0xe5, 0x09, 0x33, 0xc8, 0x4b, 0x4f, 0x4f) | ||
62 | #define PARTITION_LINUX_LVM_GUID \ | ||
63 | EFI_GUID( 0xe6d6d379, 0xf507, 0x44c2, \ | ||
64 | 0xa2, 0x3c, 0x23, 0x8f, 0x2a, 0x3d, 0xf9, 0x28) | ||
65 | |||
66 | typedef struct _gpt_header { | ||
67 | __le64 signature; | ||
68 | __le32 revision; | ||
69 | __le32 header_size; | ||
70 | __le32 header_crc32; | ||
71 | __le32 reserved1; | ||
72 | __le64 my_lba; | ||
73 | __le64 alternate_lba; | ||
74 | __le64 first_usable_lba; | ||
75 | __le64 last_usable_lba; | ||
76 | efi_guid_t disk_guid; | ||
77 | __le64 partition_entry_lba; | ||
78 | __le32 num_partition_entries; | ||
79 | __le32 sizeof_partition_entry; | ||
80 | __le32 partition_entry_array_crc32; | ||
81 | |||
82 | /* The rest of the logical block is reserved by UEFI and must be zero. | ||
83 | * EFI standard handles this by: | ||
84 | * | ||
85 | * uint8_t reserved2[ BlockSize - 92 ]; | ||
86 | */ | ||
87 | } __attribute__ ((packed)) gpt_header; | ||
88 | |||
89 | typedef struct _gpt_entry_attributes { | ||
90 | u64 required_to_function:1; | ||
91 | u64 reserved:47; | ||
92 | u64 type_guid_specific:16; | ||
93 | } __attribute__ ((packed)) gpt_entry_attributes; | ||
94 | |||
95 | typedef struct _gpt_entry { | ||
96 | efi_guid_t partition_type_guid; | ||
97 | efi_guid_t unique_partition_guid; | ||
98 | __le64 starting_lba; | ||
99 | __le64 ending_lba; | ||
100 | gpt_entry_attributes attributes; | ||
101 | efi_char16_t partition_name[72 / sizeof (efi_char16_t)]; | ||
102 | } __attribute__ ((packed)) gpt_entry; | ||
103 | |||
104 | typedef struct _legacy_mbr { | ||
105 | u8 boot_code[440]; | ||
106 | __le32 unique_mbr_signature; | ||
107 | __le16 unknown; | ||
108 | struct partition partition_record[4]; | ||
109 | __le16 signature; | ||
110 | } __attribute__ ((packed)) legacy_mbr; | ||
111 | |||
112 | /* Functions */ | ||
113 | extern int efi_partition(struct parsed_partitions *state); | ||
114 | |||
115 | #endif | ||
116 | |||
117 | /* | ||
118 | * Overrides for Emacs so that we follow Linus's tabbing style. | ||
119 | * Emacs will notice this stuff at the end of the file and automatically | ||
120 | * adjust the settings for this buffer only. This must remain at the end | ||
121 | * of the file. | ||
122 | * -------------------------------------------------------------------------- | ||
123 | * Local variables: | ||
124 | * c-indent-level: 4 | ||
125 | * c-brace-imaginary-offset: 0 | ||
126 | * c-brace-offset: -4 | ||
127 | * c-argdecl-indent: 4 | ||
128 | * c-label-offset: -4 | ||
129 | * c-continued-statement-offset: 4 | ||
130 | * c-continued-brace-offset: 0 | ||
131 | * indent-tabs-mode: nil | ||
132 | * tab-width: 8 | ||
133 | * End: | ||
134 | */ | ||