diff options
Diffstat (limited to 'ubi-utils/src/libubi_int.h')
| -rw-r--r-- | ubi-utils/src/libubi_int.h | 86 |
1 files changed, 45 insertions, 41 deletions
diff --git a/ubi-utils/src/libubi_int.h b/ubi-utils/src/libubi_int.h index e68b791..4c26eb5 100644 --- a/ubi-utils/src/libubi_int.h +++ b/ubi-utils/src/libubi_int.h @@ -27,16 +27,29 @@ extern "C" { #endif +/* Error messages */ +#define errmsg(fmt, ...) do { \ + fprintf(stderr, "libubi error: " fmt "\n", ##__VA_ARGS__); \ +} while(0) + /* - * 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 +58,8 @@ 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 UBI_VOL_NAME_PATT "ubi%d_%d" #define VOL_TYPE "type" #define VOL_DEV "dev" #define VOL_ALIGNMENT "alignment" @@ -56,34 +71,37 @@ 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; @@ -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 |