blk

Collaboration diagram for blk:

Data Structures
struct	rt_blk_disk
struct	rt_blk_disk_ops
struct	rt_blk_device

Functions
rt_err_t	rt_hw_blk_disk_register (struct rt_blk_disk *disk)
rt_err_t	rt_hw_blk_disk_unregister (struct rt_blk_disk *disk)
rt_err_t	rt_blk_disk_probe_partition (struct rt_blk_disk *disk)
rt_ssize_t	rt_blk_disk_get_capacity (struct rt_blk_disk *disk)
rt_ssize_t	rt_blk_disk_get_logical_block_size (struct rt_blk_disk *disk)

Detailed Description

blk driver api

Function Documentation

rt_hw_blk_disk_register()

rt_err_t rt_hw_blk_disk_register

(

struct rt_blk_disk *

disk

)

Register the blk disk device.

Parameters

disk	Point to blk disk

Returns

rt_err_t error code

rt_hw_blk_disk_unregister()

rt_err_t rt_hw_blk_disk_unregister

(

struct rt_blk_disk *

disk

)

Unregister the blk disk device.

Parameters

disk	Point to blk disk

Returns

rt_err_t error code

rt_blk_disk_probe_partition()

rt_err_t rt_blk_disk_probe_partition

(

struct rt_blk_disk *

disk

)

Probe and register the blk disk partition.

Parameters

disk	Point to blk disk

Returns

rt_err_t error code

rt_blk_disk_get_capacity()

rt_ssize_t rt_blk_disk_get_capacity

(

struct rt_blk_disk *

disk

)

Get the blk disk capacity.

Parameters

disk	Point to blk disk

Returns

rt_ssize_t sector count or error code

rt_blk_disk_get_logical_block_size()

rt_ssize_t rt_blk_disk_get_logical_block_size

(

struct rt_blk_disk *

disk

)

Get the sector size.

Parameters

disk	Point to blk disk

Returns

rt_ssize_t bytes per sector or error code