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Diffstat (limited to 'ubi-utils/src/libubi_int.h')
-rw-r--r--ubi-utils/src/libubi_int.h88
1 files changed, 46 insertions, 42 deletions
diff --git a/ubi-utils/src/libubi_int.h b/ubi-utils/src/libubi_int.h
index e68b791..2e664b8 100644
--- a/ubi-utils/src/libubi_int.h
+++ b/ubi-utils/src/libubi_int.h
@@ -15,7 +15,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
- * Author: Artem B. Bityutskiy
+ * Author: Artem Bityutskiy
*
* UBI (Unsorted Block Images) library.
*/
@@ -23,20 +23,31 @@
#ifndef __LIBUBI_INT_H__
#define __LIBUBI_INT_H__
+#include <string.h>
+#include <errno.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.
+ *
+ * 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 UBI_DEV_NAME_PATT "ubi%d"
+#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 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"
@@ -45,6 +56,9 @@ extern "C" {
#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"
@@ -56,34 +70,37 @@ extern "C" {
/**
* 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
+ * @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;
@@ -96,6 +113,7 @@ struct libubi
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;
@@ -108,20 +126,6 @@ struct libubi
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
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-04 21:12:24 +0000