blob: e697fb4684917bda9eac64df7cdff0348f2e133b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/*
* mdadm - manage Linux "md" devices aka RAID arrays.
*
* Copyright (C) 2010 Neil Brown <neilb@suse.de>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Neil Brown
* Email: <neil@brown.name>
*
*/
/* Structure definitions ext for MBR and GPT partition tables
*/
#define MBR_SIGNATURE_MAGIC __cpu_to_le16(0xAA55)
#define MBR_PARTITIONS 4
struct MBR_part_record {
__u8 bootable;
__u8 first_head;
__u8 first_sector;
__u8 first_cyl;
__u8 part_type;
__u8 last_head;
__u8 last_sector;
__u8 last_cyl;
__u32 first_sect_lba;
__u32 blocks_num;
} __attribute__((packed));
struct MBR {
__u8 pad[446];
struct MBR_part_record parts[MBR_PARTITIONS];
__u16 magic;
} __attribute__((packed));
#define GPT_SIGNATURE_MAGIC __cpu_to_le64(0x5452415020494645ULL)
#define MBR_GPT_PARTITION_TYPE 0xEE
struct GPT_part_entry {
unsigned char type_guid[16];
unsigned char partition_guid[16];
__u64 starting_lba;
__u64 ending_lba;
unsigned char attr_bits[8];
unsigned char name[72];
} __attribute__((packed));
struct GPT {
__u64 magic;
__u32 revision;
__u32 header_size;
__u32 crc;
__u32 pad1;
__u64 current_lba;
__u64 backup_lba;
__u64 first_lba;
__u64 last_lba;
__u8 guid[16];
__u64 part_start;
__u32 part_cnt;
__u32 part_size;
__u32 part_crc;
__u8 pad2[420];
} __attribute__((packed));
|