blob: fe37ca87589e6d04be09650d243e1823cec04f92 (
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
|
/*
* Copyright (C) 2016 Paul Kocialkowski <contact@paulk.fr>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef _GPT_H_
#define _GPT_H_
#include <stdint.h>
/*
* Values
*/
#define GPT_BLOCK_SIZE 512
#define GPT_HEADER_LBA 1
#define GPT_VERSION 0x00010000
#define GPT_CRC_SEED 0xffffffff
#define GPT_PARTITION_NAME_COUNT 36
#define GPT_SIGNATURE "EFI PART"
/*
* Structures
*/
struct gpt_header {
char signature[8];
uint32_t version;
uint32_t size;
uint32_t crc;
uint32_t reserved;
uint64_t current_lba;
uint64_t backup_lba;
uint64_t first_lba;
uint64_t last_lba;
uint8_t guid[16];
uint64_t partitions_lba;
uint32_t partitions_count;
uint32_t partitions_size;
uint32_t partitions_crc;
} __attribute__((__packed__));
struct gpt_partition {
uint8_t type_guid[16];
uint8_t guid[16];
uint64_t first_lba;
uint64_t last_lba;
uint64_t flags;
int16_t name[GPT_PARTITION_NAME_COUNT];
} __attribute__((__packed__));
/*
* Functions
*/
int gpt_header_verify(struct gpt_header *header);
int gpt_header_read(struct context *context, struct gpt_header *header);
int gpt_partition_find(struct context *context);
int gpt_partitions_print(struct context *context);
#endif
|
