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efi.h
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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 <[email protected]> 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 {
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 
93 } __attribute__ ((packed)) gpt_entry_attributes;
94 
95 typedef struct _gpt_entry {
100  gpt_entry_attributes attributes;
102 } __attribute__ ((packed)) gpt_entry;
105  u8 boot_code[440];
110 } __attribute__ ((packed)) legacy_mbr;
112 /* Functions */
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  */