diff options
Diffstat (limited to 'ubi-utils')
| -rw-r--r-- | ubi-utils/include/libmtd.h | 62 | ||||
| -rw-r--r-- | ubi-utils/src/libmtd.c | 57 |
2 files changed, 62 insertions, 57 deletions
diff --git a/ubi-utils/include/libmtd.h b/ubi-utils/include/libmtd.h index 032dafb..c50059d 100644 --- a/ubi-utils/include/libmtd.h +++ b/ubi-utils/include/libmtd.h @@ -60,11 +60,73 @@ struct mtd_info int fd; }; +/** + * mtd_get_info - get information about an MTD device. + * @node: name of the MTD device node + * @mtd: the MTD device information is returned here + * + * This function gets information about MTD device defined by the @node device + * node file and saves this information in the @mtd object. Returns %0 in case + * of success and %-1 in case of failure. + */ int mtd_get_info(const char *node, struct mtd_info *mtd); + +/** + * mtd_erase - erase an eraseblock. + * @mtd: MTD device description object + * @eb: eraseblock to erase + * + * This function erases the eraseblock and returns %0 in case of success and + * %-1 in case of failure. + */ int mtd_erase(const struct mtd_info *mtd, int eb); + +/** + * mtd_is_bad - check if eraseblock is bad. + * @mtd: MTD device description object + * @eb: eraseblock to check + * + * This function checks if eraseblock @eb is bad. Returns %0 if not, %1 if yes, + * and %-1 in case of failure. + */ int mtd_is_bad(const struct mtd_info *mtd, int eb); + +/** + * mtd_mark_bad - marks the block as bad. + * @mtd: MTD device description object + * @eb: eraseblock to mark bad + * + * This function marks the eraseblock @eb as bad. Returns %0 if success + * %-1 if failure + */ int mtd_mark_bad(const struct mtd_info *mtd, int eb); + +/** + * mtd_read - read data from an MTD device. + * @mtd: MTD device description object + * @eb: eraseblock to read from + * @offs: offset withing the eraseblock to read from + * @buf: buffer to read data to + * @len: how many bytes to read + * + * This function reads @len bytes of data from eraseblock @eb and offset @offs + * of the MTD device defined by @mtd and stores the read data at buffer @buf. + * Returns %0 in case of success and %-1 in case of failure. + */ int mtd_read(const struct mtd_info *mtd, int eb, int offs, void *buf, int len); + +/** + * mtd_write - write data to an MTD device. + * @mtd: MTD device description object + * @eb: eraseblock to write to + * @offs: offset withing the eraseblock to write to + * @buf: buffer to write + * @len: how many bytes to write + * + * This function writes @len bytes of data to eraseblock @eb and offset @offs + * of the MTD device defined by @mtd. Returns %0 in case of success and %-1 in + * case of failure. + */ int mtd_write(const struct mtd_info *mtd, int eb, int offs, void *buf, int len); #ifdef __cplusplus diff --git a/ubi-utils/src/libmtd.c b/ubi-utils/src/libmtd.c index 32fdf57..4cc9bdb 100644 --- a/ubi-utils/src/libmtd.c +++ b/ubi-utils/src/libmtd.c @@ -33,15 +33,6 @@ #define PROGRAM_NAME "libmtd" #define MTD_DEV_MAJOR 90 -/** - * mtd_get_info - get information about an MTD device. - * @node: name of the MTD device node - * @mtd: the MTD device information is returned here - * - * This function gets information about MTD device defined by the @node device - * node file and saves this information in the @mtd object. Returns %0 in case - * of success and %-1 in case of failure. - */ int mtd_get_info(const char *node, struct mtd_info *mtd) { struct stat st; @@ -149,14 +140,6 @@ out_close: return -1; } -/** - * mtd_erase - erase an eraseblock. - * @mtd: MTD device description object - * @eb: eraseblock to erase - * - * This function erases the eraseblock and returns %0 in case of success and - * %-1 in case of failure. - */ int mtd_erase(const struct mtd_info *mtd, int eb) { struct erase_info_user ei; @@ -166,14 +149,6 @@ int mtd_erase(const struct mtd_info *mtd, int eb) return ioctl(mtd->fd, MEMERASE, &ei); } -/** - * mtd_is_bad - check if eraseblock is bad. - * @mtd: MTD device description object - * @eb: eraseblock to check - * - * This function checks if eraseblock @eb is bad. Returns %0 if not, %1 if yes, - * and %-1 in case of failure. - */ int mtd_is_bad(const struct mtd_info *mtd, int eb) { int ret; @@ -197,14 +172,6 @@ int mtd_is_bad(const struct mtd_info *mtd, int eb) return ret; } -/** - * mtd_mark_bad - marks the block as bad. - * @mtd: MTD device description object - * @eb: eraseblock to mark bad - * - * This function marks the eraseblock @eb as bad. Returns %0 if success - * %-1 if failure - */ int mtd_mark_bad(const struct mtd_info *mtd, int eb) { int ret; @@ -230,18 +197,6 @@ int mtd_mark_bad(const struct mtd_info *mtd, int eb) return 0; } -/** - * mtd_read - read data from an MTD device. - * @mtd: MTD device description object - * @eb: eraseblock to read from - * @offs: offset withing the eraseblock to read from - * @buf: buffer to read data to - * @len: how many bytes to read - * - * This function reads @len bytes of data from eraseblock @eb and offset @offs - * of the MTD device defined by @mtd and stores the read data at buffer @buf. - * Returns %0 in case of success and %-1 in case of failure. - */ int mtd_read(const struct mtd_info *mtd, int eb, int offs, void *buf, int len) { int ret, rd = 0; @@ -277,18 +232,6 @@ int mtd_read(const struct mtd_info *mtd, int eb, int offs, void *buf, int len) return 0; } -/** - * mtd_write - write data to an MTD device. - * @mtd: MTD device description object - * @eb: eraseblock to write to - * @offs: offset withing the eraseblock to write to - * @buf: buffer to write - * @len: how many bytes to write - * - * This function writes @len bytes of data to eraseblock @eb and offset @offs - * of the MTD device defined by @mtd. Returns %0 in case of success and %-1 in - * case of failure. - */ int mtd_write(const struct mtd_info *mtd, int eb, int offs, void *buf, int len) { int ret; |