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
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/*
* Copyright (c) International Business Machines Corp., 2006
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Author: Artem B. Bityutskiy
*
* UBI (Unsorted Block Images) library.
*/
#ifndef __LIBUBI_INT_H__
#define __LIBUBI_INT_H__
#include <string.h>
#include <errno.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Error messages */
#define errmsg(fmt, ...) ({ \
fprintf(stderr, "libubi error: " fmt "\n", ##__VA_ARGS__); \
-1; \
})
/* System error messages */
#define sys_errmsg(fmt, ...) ({ \
int _err = errno; \
fprintf(stderr, "libubi error: " fmt "\n", ##__VA_ARGS__); \
fprintf(stderr, "error %d (%s)\n", _err, strerror(_err)); \
-1; \
})
/*
* The below are pre-define UBI file and directory names.
*
* Note, older kernels put 'ubiX_Y' directories straight to '/sys/class/ubi/'.
* New kernels puts 'ubiX_Y' directories to '/sys/class/ubi/ubiX/', which is
* saner. And for compatibility reasons it also puts symlinks to 'ubiX_Y'
* directories to '/sys/class/ubi/'. For now libubi assumes old layout.
*/
#define SYSFS_UBI "class/ubi"
#define SYSFS_CTRL "class/misc/ubi_ctrl/"
#define CTRL_DEV "dev"
#define UBI_VER "version"
#define UBI_DEV_NAME_PATT "ubi%d"
#define DEV_DEV "dev"
#define DEV_AVAIL_EBS "avail_eraseblocks"
#define DEV_TOTAL_EBS "total_eraseblocks"
#define DEV_BAD_COUNT "bad_peb_count"
#define DEV_EB_SIZE "eraseblock_size"
#define DEV_MAX_EC "max_ec"
#define DEV_MAX_RSVD "reserved_for_bad"
#define DEV_MAX_VOLS "max_vol_count"
#define DEV_MIN_IO_SIZE "min_io_size"
#define DEV_MTD_NUM "mtd_num"
#define UBI_VOL_NAME_PATT "ubi%d_%d"
#define VOL_TYPE "type"
#define VOL_DEV "dev"
#define VOL_ALIGNMENT "alignment"
#define VOL_DATA_BYTES "data_bytes"
#define VOL_RSVD_EBS "reserved_ebs"
#define VOL_EB_SIZE "usable_eb_size"
#define VOL_CORRUPTED "corrupted"
#define VOL_NAME "name"
/**
* libubi - UBI library description data structure.
* @sysfs: sysfs file system path
* @sysfs_ctrl: UBI control device directory in sysfs
* @ctrl_dev: UBI control device major/minor numbers sysfs file
* @sysfs_ubi: UBI directory in sysfs
* @ubi_dev: UBI device sysfs directory pattern
* @ubi_version: UBI version file sysfs path
* @dev_dev: UBI device major/minor numbers file pattern
* @dev_avail_ebs: count of available eraseblocks sysfs path pattern
* @dev_total_ebs: total eraseblocks count sysfs path pattern
* @dev_bad_count: count of bad eraseblocks sysfs path pattern
* @dev_eb_size: size of UBI device's eraseblocks sysfs path pattern
* @dev_max_ec: maximum erase counter sysfs path pattern
* @dev_bad_rsvd: count of physical eraseblock reserved for bad eraseblocks
* handling
* @dev_max_vols: maximum volumes number count sysfs path pattern
* @dev_min_io_size: minimum I/O unit size sysfs path pattern
* @ubi_vol: UBI volume sysfs directory pattern
* @vol_type: volume type sysfs path pattern
* @vol_dev: volume major/minor numbers file pattern
* @vol_alignment: volume alignment sysfs path pattern
* @vol_data_bytes: volume data size sysfs path pattern
* @vol_rsvd_ebs: volume reserved size sysfs path pattern
* @vol_eb_size: volume eraseblock size sysfs path pattern
* @vol_corrupted: volume corruption flag sysfs path pattern
* @vol_name: volume name sysfs path pattern
*/
struct libubi
{
char *sysfs;
char *sysfs_ctrl;
char *ctrl_dev;
char *sysfs_ubi;
char *ubi_dev;
char *ubi_version;
char *dev_dev;
char *dev_avail_ebs;
char *dev_total_ebs;
char *dev_bad_count;
char *dev_eb_size;
char *dev_max_ec;
char *dev_bad_rsvd;
char *dev_max_vols;
char *dev_min_io_size;
char *dev_mtd_num;
char *ubi_vol;
char *vol_type;
char *vol_dev;
char *vol_alignment;
char *vol_data_bytes;
char *vol_rsvd_ebs;
char *vol_eb_size;
char *vol_corrupted;
char *vol_name;
char *vol_max_count;
};
#ifdef __cplusplus
}
#endif
#endif /* !__LIBUBI_INT_H__ */
|
