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virtio-blk: associate request with a virtqueue

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Multiqueue requires that each request knows to which virtqueue it
belongs.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 1466511196-12612-5-git-send-email-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2016-06-21 13:13:13 +01:00
parent b234cdda95
commit edaffd9f0b
2 changed files with 14 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

4
include/hw/virtio/virtio-blk.h
View file

@ -63,6 +63,7 @@ typedef struct VirtIOBlockReq {
VirtQueueElement elem;
int64_t sector_num;
VirtIOBlock *dev;
VirtQueue *vq;
struct virtio_blk_inhdr *in;
struct virtio_blk_outhdr out;
QEMUIOVector qiov;
@ -80,7 +81,8 @@ typedef struct MultiReqBuffer {
bool is_write;
} MultiReqBuffer;
void virtio_blk_init_request(VirtIOBlock *s, VirtIOBlockReq *req);
void virtio_blk_init_request(VirtIOBlock *s, VirtQueue *vq,
VirtIOBlockReq *req);
void virtio_blk_free_request(VirtIOBlockReq *req);
void virtio_blk_handle_request(VirtIOBlockReq *req, MultiReqBuffer *mrb);