132 lines
4.2 KiB
C
132 lines
4.2 KiB
C
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/*
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* Copyright (c) International Business Machines Corp., 2006
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* Author: Artem Bityutskiy
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*
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* UBI (Unsorted Block Images) library.
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*/
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#ifndef __LIBUBI_INT_H__
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#define __LIBUBI_INT_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* The below are pre-define UBI file and directory names.
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*
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* Note, older kernels put 'ubiX_Y' directories straight to '/sys/class/ubi/'.
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* New kernels puts 'ubiX_Y' directories to '/sys/class/ubi/ubiX/', which is
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* saner. And for compatibility reasons it also puts symlinks to 'ubiX_Y'
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* directories to '/sys/class/ubi/'. For now libubi assumes old layout.
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*/
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#define SYSFS_UBI "class/ubi"
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#define SYSFS_CTRL "class/misc/ubi_ctrl/"
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#define CTRL_DEV "dev"
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#define UBI_VER "version"
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#define UBI_DEV_NAME_PATT "ubi%d"
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#define DEV_DEV "dev"
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#define DEV_AVAIL_EBS "avail_eraseblocks"
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#define DEV_TOTAL_EBS "total_eraseblocks"
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#define DEV_BAD_COUNT "bad_peb_count"
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#define DEV_EB_SIZE "eraseblock_size"
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#define DEV_MAX_EC "max_ec"
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#define DEV_MAX_RSVD "reserved_for_bad"
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#define DEV_MAX_VOLS "max_vol_count"
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#define DEV_MIN_IO_SIZE "min_io_size"
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#define DEV_MTD_NUM "mtd_num"
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#define UBI_VOL_NAME_PATT "ubi%d_%d"
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#define VOL_TYPE "type"
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#define VOL_DEV "dev"
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#define VOL_ALIGNMENT "alignment"
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#define VOL_DATA_BYTES "data_bytes"
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#define VOL_RSVD_EBS "reserved_ebs"
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#define VOL_EB_SIZE "usable_eb_size"
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#define VOL_CORRUPTED "corrupted"
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#define VOL_NAME "name"
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/**
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* libubi - UBI library description data structure.
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* @sysfs: sysfs file system path
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* @sysfs_ctrl: UBI control device directory in sysfs
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* @ctrl_dev: UBI control device major/minor numbers sysfs file
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* @sysfs_ubi: UBI directory in sysfs
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* @ubi_dev: UBI device sysfs directory pattern
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* @ubi_version: UBI version file sysfs path
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* @dev_dev: UBI device major/minor numbers file pattern
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* @dev_avail_ebs: count of available eraseblocks sysfs path pattern
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* @dev_total_ebs: total eraseblocks count sysfs path pattern
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* @dev_bad_count: count of bad eraseblocks sysfs path pattern
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* @dev_eb_size: size of UBI device's eraseblocks sysfs path pattern
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* @dev_max_ec: maximum erase counter sysfs path pattern
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* @dev_bad_rsvd: count of physical eraseblock reserved for bad eraseblocks
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* handling
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* @dev_max_vols: maximum volumes number count sysfs path pattern
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* @dev_min_io_size: minimum I/O unit size sysfs path pattern
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* @dev_mtd_num: MTD device number
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* @ubi_vol: UBI volume sysfs directory pattern
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* @vol_type: volume type sysfs path pattern
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* @vol_dev: volume major/minor numbers file pattern
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* @vol_alignment: volume alignment sysfs path pattern
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* @vol_data_bytes: volume data size sysfs path pattern
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* @vol_rsvd_ebs: volume reserved size sysfs path pattern
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* @vol_eb_size: volume eraseblock size sysfs path pattern
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* @vol_corrupted: volume corruption flag sysfs path pattern
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* @vol_name: volume name sysfs path pattern
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*/
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struct libubi
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{
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char *sysfs;
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char *sysfs_ctrl;
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char *ctrl_dev;
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char *sysfs_ubi;
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char *ubi_dev;
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char *ubi_version;
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char *dev_dev;
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char *dev_avail_ebs;
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char *dev_total_ebs;
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char *dev_bad_count;
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char *dev_eb_size;
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char *dev_max_ec;
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char *dev_bad_rsvd;
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char *dev_max_vols;
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char *dev_min_io_size;
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char *dev_mtd_num;
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char *ubi_vol;
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char *vol_type;
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char *vol_dev;
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char *vol_alignment;
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char *vol_data_bytes;
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char *vol_rsvd_ebs;
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char *vol_eb_size;
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char *vol_corrupted;
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char *vol_name;
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char *vol_max_count;
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};
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#ifdef __cplusplus
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}
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#endif
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#endif /* !__LIBUBI_INT_H__ */
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