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
80
81
82
83
84
85
86
87
88
89
90
91
|
/* nbdkit
* Copyright Red Hat
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of Red Hat nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef NBDKIT_VIRTUAL_DISK_H
#define NBDKIT_VIRTUAL_DISK_H
#include <stdbool.h>
#include <stdint.h>
#include "regions.h"
extern const char *dir;
extern const char *label;
extern const char *type;
extern int64_t size;
extern bool size_add_estimate;
extern struct random_state random_state;
#define SECTOR_SIZE 512
struct virtual_disk {
/* Virtual disk layout. */
struct regions regions;
/* Disk protective MBR. */
uint8_t *protective_mbr;
/* GPT primary partition table header. */
uint8_t *primary_header;
/* GPT primary and secondary (backup) PTs. These are the same. */
uint8_t *pt;
/* GPT secondary (backup) PT header. */
uint8_t *secondary_header;
/* Size of the filesystem in bytes. */
uint64_t filesystem_size;
/* Unique partition GUID. */
char guid[16];
/* File descriptor of the temporary file containing the filesystem. */
int fd;
};
/* virtual-disk.c */
extern void init_virtual_disk (struct virtual_disk *disk)
__attribute__ ((__nonnull__ (1)));
extern int create_virtual_disk (struct virtual_disk *disk)
__attribute__ ((__nonnull__ (1)));
extern void free_virtual_disk (struct virtual_disk *disk)
__attribute__ ((__nonnull__ (1)));
/* partition-gpt.c */
extern int create_partition_table (struct virtual_disk *disk);
/* filesystem.c */
extern int create_filesystem (struct virtual_disk *disk);
#endif /* NBDKIT_VIRTUAL_DISK_H */
|
