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/*
* 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)", _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__ */
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