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virtio-blk: support VIRTIO_BLK_F_CONFIG_WCE

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Also rename VIRTIO_BLK_F_WCACHE to VIRTIO_BLK_F_WCE for consistency with
the spec.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Paolo Bonzini 2012-08-09 16:07:19 +02:00 • committed by Kevin Wolf
parent 353a41be05
commit 13e3dce068
2 changed files with 17 additions and 3 deletions
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4
hw/virtio-blk.h
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@ -31,8 +31,9 @@
#define VIRTIO_BLK_F_BLK_SIZE 6 /* Block size of disk is available*/
#define VIRTIO_BLK_F_SCSI 7 /* Supports scsi command passthru */
/* #define VIRTIO_BLK_F_IDENTIFY 8 ATA IDENTIFY supported, DEPRECATED */
#define VIRTIO_BLK_F_WCACHE 9 /* write cache enabled */
#define VIRTIO_BLK_F_WCE 9 /* write cache enabled */
#define VIRTIO_BLK_F_TOPOLOGY 10 /* Topology information is available */
#define VIRTIO_BLK_F_CONFIG_WCE 11 /* write cache configurable */
#define VIRTIO_BLK_ID_BYTES 20 /* ID string length */
@ -49,6 +50,7 @@ struct virtio_blk_config
uint8_t alignment_offset;
uint16_t min_io_size;
uint32_t opt_io_size;
uint8_t wce;
} QEMU_PACKED;
/* These two define direction. */