diff options
Diffstat (limited to 'drivers/mtd/ubi/ubi.h')
| -rw-r--r-- | drivers/mtd/ubi/ubi.h | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h index 329663188772..cc010111264f 100644 --- a/drivers/mtd/ubi/ubi.h +++ b/drivers/mtd/ubi/ubi.h @@ -274,6 +274,12 @@ struct ubi_wl_entry; * @bad_allowed: whether the MTD device admits of bad physical eraseblocks or * not * @mtd: MTD device descriptor + * + * @peb_buf1: a buffer of PEB size used for different purposes + * @peb_buf2: another buffer of PEB size used for different purposes + * @buf_mutex: proptects @peb_buf1 and @peb_buf2 + * @dbg_peb_buf: buffer of PEB size used for debugging + * @dbg_buf_mutex: proptects @dbg_peb_buf */ struct ubi_device { struct cdev cdev; @@ -343,6 +349,14 @@ struct ubi_device { int vid_hdr_shift; int bad_allowed; struct mtd_info *mtd; + + void *peb_buf1; + void *peb_buf2; + struct mutex buf_mutex; +#ifdef CONFIG_MTD_UBI_DEBUG + void *dbg_peb_buf; + struct mutex dbg_buf_mutex; +#endif }; extern struct file_operations ubi_cdev_operations; @@ -409,18 +423,18 @@ void ubi_wl_close(struct ubi_device *ubi); /* io.c */ int ubi_io_read(const struct ubi_device *ubi, void *buf, int pnum, int offset, int len); -int ubi_io_write(const struct ubi_device *ubi, const void *buf, int pnum, - int offset, int len); -int ubi_io_sync_erase(const struct ubi_device *ubi, int pnum, int torture); +int ubi_io_write(struct ubi_device *ubi, const void *buf, int pnum, int offset, + int len); +int ubi_io_sync_erase(struct ubi_device *ubi, int pnum, int torture); int ubi_io_is_bad(const struct ubi_device *ubi, int pnum); int ubi_io_mark_bad(const struct ubi_device *ubi, int pnum); -int ubi_io_read_ec_hdr(const struct ubi_device *ubi, int pnum, +int ubi_io_read_ec_hdr(struct ubi_device *ubi, int pnum, struct ubi_ec_hdr *ec_hdr, int verbose); -int ubi_io_write_ec_hdr(const struct ubi_device *ubi, int pnum, +int ubi_io_write_ec_hdr(struct ubi_device *ubi, int pnum, struct ubi_ec_hdr *ec_hdr); -int ubi_io_read_vid_hdr(const struct ubi_device *ubi, int pnum, +int ubi_io_read_vid_hdr(struct ubi_device *ubi, int pnum, struct ubi_vid_hdr *vid_hdr, int verbose); -int ubi_io_write_vid_hdr(const struct ubi_device *ubi, int pnum, +int ubi_io_write_vid_hdr(struct ubi_device *ubi, int pnum, struct ubi_vid_hdr *vid_hdr); /* @@ -494,7 +508,7 @@ static inline int ubi_io_read_data(const struct ubi_device *ubi, void *buf, * the beginning of the logical eraseblock, not to the beginning of the * physical eraseblock. */ -static inline int ubi_io_write_data(const struct ubi_device *ubi, const void *buf, +static inline int ubi_io_write_data(struct ubi_device *ubi, const void *buf, int pnum, int offset, int len) { ubi_assert(offset >= 0); |