diff options
Diffstat (limited to 'include/part.h')
| -rw-r--r-- | include/part.h | 42 |
1 files changed, 36 insertions, 6 deletions
diff --git a/include/part.h b/include/part.h index 6f604e7315a..807370d9429 100644 --- a/include/part.h +++ b/include/part.h @@ -313,12 +313,42 @@ struct udevice; */ int part_create_block_devices(struct udevice *blk_dev); -unsigned long dev_read(struct udevice *dev, lbaint_t start, - lbaint_t blkcnt, void *buffer); -unsigned long dev_write(struct udevice *dev, lbaint_t start, - lbaint_t blkcnt, const void *buffer); -unsigned long dev_erase(struct udevice *dev, lbaint_t start, - lbaint_t blkcnt); +/** + * disk_blk_read() - read blocks from a disk partition + * + * @dev: Device to read from (UCLASS_PARTITION) + * @start: Start block number to read in the partition (0=first) + * @blkcnt: Number of blocks to read + * @buffer: Destination buffer for data read + * Returns: number of blocks read, or -ve error number (see the + * IS_ERR_VALUE() macro + */ +ulong disk_blk_read(struct udevice *dev, lbaint_t start, lbaint_t blkcnt, + void *buffer); + +/** + * disk_blk_write() - write to a disk partition + * + * @dev: Device to write to (UCLASS_PARTITION) + * @start: Start block number to write in the partition (0=first) + * @blkcnt: Number of blocks to write + * @buffer: Source buffer for data to write + * Returns: number of blocks written, or -ve error number (see the + * IS_ERR_VALUE() macro + */ +ulong disk_blk_write(struct udevice *dev, lbaint_t start, lbaint_t blkcnt, + const void *buffer); + +/** + * disk_blk_erase() - erase a section of a disk partition + * + * @dev: Device to (partially) erase (UCLASS_PARTITION) + * @start: Start block number to erase in the partition (0=first) + * @blkcnt: Number of blocks to erase + * Returns: number of blocks erased, or -ve error number (see the + * IS_ERR_VALUE() macro + */ +ulong disk_blk_erase(struct udevice *dev, lbaint_t start, lbaint_t blkcnt); /* * We don't support printing partition information in SPL and only support |