diff options
| author | Corentin Chary <corentincj@iksaif.net> | 2009-01-05 14:44:11 +0100 |
|---|---|---|
| committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2009-01-18 14:02:08 +0200 |
| commit | 141e6ebd1b1759bd5cebf092b7216b6f1c7b4c4f (patch) | |
| tree | 91b66f4b4d54fdb07084f8f5ee21c00491fe754b /include/mtd | |
| parent | 1de9e8e70f5acc441550ca75433563d91b269bbe (diff) | |
| download | lwn-141e6ebd1b1759bd5cebf092b7216b6f1c7b4c4f.tar.gz lwn-141e6ebd1b1759bd5cebf092b7216b6f1c7b4c4f.zip | |
UBI: add ioctl for map operation
This patch adds ioctl for the LEB map operation (as a debugging
option so far).
[Re-named ioctl to make it look the same as the other one and made
some minor stylistic changes. Artem Bityutskiy.]
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'include/mtd')
| -rw-r--r-- | include/mtd/ubi-user.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/mtd/ubi-user.h b/include/mtd/ubi-user.h index 2dc2eb2b8e22..758574039fca 100644 --- a/include/mtd/ubi-user.h +++ b/include/mtd/ubi-user.h @@ -133,6 +133,9 @@ #define UBI_IOCEBER _IOW(UBI_VOL_IOC_MAGIC, 1, int32_t) /* An atomic eraseblock change command */ #define UBI_IOCEBCH _IOW(UBI_VOL_IOC_MAGIC, 2, int32_t) +/* Map an eraseblock, used for debugging, disabled by default */ +#define UBI_IOCEBMAP _IOW(UBI_VOL_IOC_MAGIC, 3, struct ubi_map_req) + /* Maximum MTD device name length supported by UBI */ #define MAX_UBI_MTD_NAME_LEN 127 @@ -319,4 +322,16 @@ struct ubi_leb_change_req { int8_t padding[7]; } __attribute__ ((packed)); +/** + * struct ubi_map_req - a data structure used in map eraseblock requests. + * @lnum: logical eraseblock number to unmap + * @dtype: data type (%UBI_LONGTERM, %UBI_SHORTTERM, %UBI_UNKNOWN) + * @padding: reserved for future, not used, has to be zeroed + */ +struct ubi_map_req { + int32_t lnum; + int8_t dtype; + int8_t padding[3]; +} __attribute__ ((packed)); + #endif /* __UBI_USER_H__ */ |