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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 Bityutskiy
+ *
+ * UBI (Unsorted Block Images) library.
+ */
+
+#ifndef __LIBUBI_INT_H__
+#define __LIBUBI_INT_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * 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
+ * @dev_mtd_num: MTD device number
+ * @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__ */