blkif.h File Reference

#include <xen/interface/io/ring.h>
#include <xen/interface/grant_table.h>

Go to the source code of this file.

Data Structures
struct	blkif_request_rw
struct	blkif_request_rw::blkif_request_segment
struct	blkif_request_segment
struct	blkif_request_discard
struct	blkif_request
struct	blkif_response

Macros
#define	BLKIF_OP_READ   0
#define	BLKIF_OP_WRITE   1
#define	BLKIF_OP_WRITE_BARRIER   2
#define	BLKIF_OP_FLUSH_DISKCACHE   3
#define	BLKIF_OP_DISCARD   5
#define	BLKIF_MAX_SEGMENTS_PER_REQUEST   11
#define	BLKIF_DISCARD_SECURE   (1<<0) /* ignored if discard-secure=0 */
#define	BLKIF_RSP_EOPNOTSUPP   -2
#define	BLKIF_RSP_ERROR   -1
#define	BLKIF_RSP_OKAY   0
#define	VDISK_CDROM   0x1
#define	VDISK_REMOVABLE   0x2
#define	VDISK_READONLY   0x4
#define	XEN_IDE0_MAJOR   3
#define	XEN_IDE1_MAJOR   22
#define	XEN_SCSI_DISK0_MAJOR   8
#define	XEN_SCSI_DISK1_MAJOR   65
#define	XEN_SCSI_DISK2_MAJOR   66
#define	XEN_SCSI_DISK3_MAJOR   67
#define	XEN_SCSI_DISK4_MAJOR   68
#define	XEN_SCSI_DISK5_MAJOR   69
#define	XEN_SCSI_DISK6_MAJOR   70
#define	XEN_SCSI_DISK7_MAJOR   71
#define	XEN_SCSI_DISK8_MAJOR   128
#define	XEN_SCSI_DISK9_MAJOR   129
#define	XEN_SCSI_DISK10_MAJOR   130
#define	XEN_SCSI_DISK11_MAJOR   131
#define	XEN_SCSI_DISK12_MAJOR   132
#define	XEN_SCSI_DISK13_MAJOR   133
#define	XEN_SCSI_DISK14_MAJOR   134
#define	XEN_SCSI_DISK15_MAJOR   135

Typedefs
typedef uint16_t	blkif_vdev_t
typedef uint64_t	blkif_sector_t

Functions
struct blkif_request_rw	__attribute__ ((__packed__))
	DEFINE_RING_TYPES (blkif, struct blkif_request, struct blkif_response)

Variables
uint8_t	nr_segments
blkif_vdev_t	handle
uint64_t	id
blkif_sector_t	sector_number
struct blkif_request_segment	seg [BLKIF_MAX_SEGMENTS_PER_REQUEST]
uint8_t	flag
blkif_vdev_t	_pad1
uint64_t	nr_sectors
uint8_t	_pad3
uint8_t	operation
union {
struct blkif_request_rw   rw
struct blkif_request_discard   discard
}	u
struct blkif_response	__attribute__

Macro Definition Documentation

#define BLKIF_DISCARD_SECURE   (1<<0) /* ignored if discard-secure=0 */

Definition at line 141 of file blkif.h.

#define BLKIF_MAX_SEGMENTS_PER_REQUEST   11

Definition at line 110 of file blkif.h.

#define BLKIF_OP_DISCARD   5

Definition at line 103 of file blkif.h.

#define BLKIF_OP_FLUSH_DISKCACHE   3

Definition at line 59 of file blkif.h.

#define BLKIF_OP_READ   0

Definition at line 33 of file blkif.h.

#define BLKIF_OP_WRITE   1

Definition at line 34 of file blkif.h.

#define BLKIF_OP_WRITE_BARRIER   2

Definition at line 45 of file blkif.h.

#define BLKIF_RSP_EOPNOTSUPP   -2

Definition at line 159 of file blkif.h.

#define BLKIF_RSP_ERROR   -1

Definition at line 161 of file blkif.h.

#define BLKIF_RSP_OKAY   0

Definition at line 163 of file blkif.h.

#define VDISK_CDROM   0x1

Definition at line 171 of file blkif.h.

#define VDISK_READONLY   0x4

Definition at line 173 of file blkif.h.

#define VDISK_REMOVABLE   0x2

Definition at line 172 of file blkif.h.

#define XEN_IDE0_MAJOR   3

Definition at line 177 of file blkif.h.

#define XEN_IDE1_MAJOR   22

Definition at line 178 of file blkif.h.

#define XEN_SCSI_DISK0_MAJOR   8

Definition at line 179 of file blkif.h.

#define XEN_SCSI_DISK10_MAJOR   130

Definition at line 189 of file blkif.h.

#define XEN_SCSI_DISK11_MAJOR   131

Definition at line 190 of file blkif.h.

#define XEN_SCSI_DISK12_MAJOR   132

Definition at line 191 of file blkif.h.

#define XEN_SCSI_DISK13_MAJOR   133

Definition at line 192 of file blkif.h.

#define XEN_SCSI_DISK14_MAJOR   134

Definition at line 193 of file blkif.h.

#define XEN_SCSI_DISK15_MAJOR   135

Definition at line 194 of file blkif.h.

#define XEN_SCSI_DISK1_MAJOR   65

Definition at line 180 of file blkif.h.

#define XEN_SCSI_DISK2_MAJOR   66

Definition at line 181 of file blkif.h.

#define XEN_SCSI_DISK3_MAJOR   67

Definition at line 182 of file blkif.h.

#define XEN_SCSI_DISK4_MAJOR   68

Definition at line 183 of file blkif.h.

#define XEN_SCSI_DISK5_MAJOR   69

Definition at line 184 of file blkif.h.

#define XEN_SCSI_DISK6_MAJOR   70

Definition at line 185 of file blkif.h.

#define XEN_SCSI_DISK7_MAJOR   71

Definition at line 186 of file blkif.h.

#define XEN_SCSI_DISK8_MAJOR   128

Definition at line 187 of file blkif.h.

#define XEN_SCSI_DISK9_MAJOR   129

Definition at line 188 of file blkif.h.

Typedef Documentation

typedef uint64_t blkif_sector_t

Definition at line 28 of file blkif.h.

typedef uint16_t blkif_vdev_t

Definition at line 27 of file blkif.h.

Function Documentation

struct blkif_request_rw __attribute__ ( (__packed__)  )

read

Definition at line 85 of file mpc512x_dma.c.

DEFINE_RING_TYPES	(	blkif	,
		struct blkif_request	,
		struct blkif_response
	)

Variable Documentation

struct blkif_response __attribute__

blkif_vdev_t _pad1

Definition at line 142 of file blkif.h.

uint8_t _pad3

Definition at line 149 of file blkif.h.

struct blkif_request_discard discard

Definition at line 151 of file blkif.h.

uint8_t flag

Definition at line 140 of file blkif.h.

blkif_vdev_t handle

Definition at line 128 of file blkif.h.

uint64_t id

Definition at line 132 of file blkif.h.

uint64_t nr_sectors

Definition at line 148 of file blkif.h.

uint8_t nr_segments

Definition at line 127 of file blkif.h.

uint8_t operation

Definition at line 148 of file blkif.h.

struct blkif_request_rw rw

Definition at line 150 of file blkif.h.

blkif_sector_t sector_number

Definition at line 133 of file blkif.h.

struct blkif_request_segment seg[BLKIF_MAX_SEGMENTS_PER_REQUEST]

union { ... } u