diff options
Diffstat (limited to 'include/libmtd.h')
-rw-r--r-- | include/libmtd.h | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/include/libmtd.h b/include/libmtd.h index 2bf9859..afaba42 100644 --- a/include/libmtd.h +++ b/include/libmtd.h @@ -216,6 +216,40 @@ int mtd_write(const struct mtd_dev_info *mtd, int fd, int eb, int offs, void *buf, int len); /** + * mtd_read_oob - read out-of-band area. + * @desc: MTD library descriptor + * @mtd: MTD device description object + * @fd: MTD device node file descriptor + * @start: page-aligned start address + * @length: number of OOB bytes to read + * @data: read buffer + * + * This function reads @length OOB bytes starting from address @start on + * MTD device described by @fd. The address is specified as page byte offset + * from the beginning of the MTD device. This function returns %0 in case of + * success and %-1 in case of failure. + */ +int mtd_read_oob(libmtd_t desc, const struct mtd_dev_info *mtd, int fd, + uint64_t start, uint64_t length, void *data); + +/** + * mtd_write_oob - write out-of-band area. + * @desc: MTD library descriptor + * @mtd: MTD device description object + * @fd: MTD device node file descriptor + * @start: page-aligned start address + * @length: number of OOB bytes to write + * @data: write buffer + * + * This function writes @length OOB bytes starting from address @start on + * MTD device described by @fd. The address is specified as page byte offset + * from the beginning of the MTD device. Returns %0 in case of success and %-1 + * in case of failure. + */ +int mtd_write_oob(libmtd_t desc, const struct mtd_dev_info *mtd, int fd, + uint64_t start, uint64_t length, void *data); + +/** * mtd_write_img - write a file to MTD device. * @mtd: MTD device description object * @fd: MTD device node file descriptor @@ -236,7 +270,7 @@ int mtd_write_img(const struct mtd_dev_info *mtd, int fd, int eb, int offs, * @node: the node to test * * This function tests whether @node is an MTD device node and returns %1 if it - * is, and %-1 if it is not (errno is ENODEV in this case) or if an error + * is, and %-1 if it is not (errno is %ENODEV in this case) or if an error * occurred. */ int mtd_probe_node(libmtd_t desc, const char *node); |