| /* |
| * 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__ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* |
| * UBI heavily makes use of the sysfs file system to interact with users-pace. |
| * The below are pre-define UBI file and directory names. |
| */ |
| |
| #define SYSFS_UBI "class/ubi" |
| #define UBI_DEV_NAME_PATT "ubi%d" |
| #define UBI_VER "version" |
| #define DEV_DEV "dev" |
| #define UBI_VOL_NAME_PATT "ubi%d_%d" |
| #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 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_ubi UBI directory in sysfs |
| * @ubi_dev UBI device sysfs directory pattern |
| * @ubi_version UBI version file sysfs path |
| * @dev_dev UBI device's 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's 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_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 *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; |
| }; |
| |
| static int read_int(const char *file, int *value); |
| static int dev_read_int(const char *patt, int dev_num, int *value); |
| static int dev_read_ll(const char *patt, int dev_num, long long *value); |
| static int dev_read_data(const char *patt, int dev_num, void *buf, int buf_len); |
| static int vol_read_int(const char *patt, int dev_num, int vol_id, int *value); |
| static int vol_read_ll(const char *patt, int dev_num, int vol_id, |
| long long *value); |
| static int vol_read_data(const char *patt, int dev_num, int vol_id, void *buf, |
| int buf_len); |
| static char *mkpath(const char *path, const char *name); |
| static int find_dev_num(struct libubi *lib, const char *node); |
| static int find_dev_num_vol(struct libubi *lib, const char *node); |
| static int find_vol_num(struct libubi *lib, int dev_num, const char *node); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* !__LIBUBI_INT_H__ */ |
