Collaboration diagram for L4 VIRTIO Block Device:

Data Structures
struct	l4virtio_block_header_t
	Header structure of a request for a block device. More...
struct	l4virtio_block_discard_t
	Structure used for the write zeroes and discard commands. More...
struct	l4virtio_block_config_t
	Device configuration for block devices. More...

Typedefs
typedef struct l4virtio_block_header_t	l4virtio_block_header_t
	Header structure of a request for a block device.
typedef struct l4virtio_block_discard_t	l4virtio_block_discard_t
	Structure used for the write zeroes and discard commands.
typedef struct l4virtio_block_config_t	l4virtio_block_config_t
	Device configuration for block devices.

Enumerations
enum	L4virtio_block_operations { L4VIRTIO_BLOCK_T_IN = 0 , L4VIRTIO_BLOCK_T_OUT = 1 , L4VIRTIO_BLOCK_T_FLUSH = 4 , L4VIRTIO_BLOCK_T_GET_ID = 8 , L4VIRTIO_BLOCK_T_DISCARD = 11 , L4VIRTIO_BLOCK_T_WRITE_ZEROES = 13 }
	Kinds of operation over a block device. More...
enum	L4virtio_block_status { L4VIRTIO_BLOCK_S_OK = 0 , L4VIRTIO_BLOCK_S_IOERR = 1 , L4VIRTIO_BLOCK_S_UNSUPP = 2 }
	Status of a finished block request. More...

Detailed Description

Enumeration Type Documentation

Kinds of operation over a block device.

Enumerator
L4VIRTIO_BLOCK_T_IN	Read from device.
L4VIRTIO_BLOCK_T_OUT	Write to device.
L4VIRTIO_BLOCK_T_FLUSH	Flush data to disk.
L4VIRTIO_BLOCK_T_GET_ID	Get device ID.
L4VIRTIO_BLOCK_T_DISCARD	Discard a range of sectors.
L4VIRTIO_BLOCK_T_WRITE_ZEROES	Write zeroes to a range of sectors.

Definition at line 19 of file virtio_block.h.

Status of a finished block request.

Enumerator
L4VIRTIO_BLOCK_S_OK	Request finished successfully.
L4VIRTIO_BLOCK_S_IOERR	IO error on device.
L4VIRTIO_BLOCK_S_UNSUPP	Operation is not supported.

Definition at line 32 of file virtio_block.h.