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virtio-blk: Make request completion function virtual

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virtio_blk_req_complete will call VirtIOBlock.complete_request() to push
data and notify guest. No functional change.

Later, this will allow dataplane to provide it's own (vring_) version.

Signed-off-by: Fam Zheng <famz@redhat.com>
Tested-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Fam Zheng 2014-06-17 14:32:06 +08:00 • committed by Kevin Wolf
parent 13344f3a17
commit bf4bd461b4
2 changed files with 11 additions and 1 deletions
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3
include/hw/virtio/virtio-blk.h
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@ -117,6 +117,7 @@ struct VirtIOBlkConf
struct VirtIOBlockDataPlane;
struct VirtIOBlockReq;
typedef struct VirtIOBlock {
VirtIODevice parent_obj;
BlockDriverState *bs;
@ -128,6 +129,8 @@ typedef struct VirtIOBlock {
unsigned short sector_mask;
bool original_wce;
VMChangeStateEntry *change;
/* Function to push to vq and notify guest */
void (*complete_request)(struct VirtIOBlockReq *req, unsigned char status);
#ifdef CONFIG_VIRTIO_BLK_DATA_PLANE
Notifier migration_state_notifier;
struct VirtIOBlockDataPlane *dataplane;