virtio-blk: Export request handling functions to dataplane

So that dataplane can use virtio_blk_handle_request and
virtio_submit_multiwrite.

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>

1 files changed, 9 insertions, 0 deletions

diff --git a/include/hw/virtio/virtio-blk.h b/include/hw/virtio/virtio-blk.h
index 0398f4c46d..d0fb26f963 100644
--- a/include/hw/virtio/virtio-blk.h
+++ b/include/hw/virtio/virtio-blk.h
@@ -137,6 +137,11 @@ typedef struct VirtIOBlock {
 #endif
 } VirtIOBlock;
 
+typedef struct MultiReqBuffer {
+    BlockRequest        blkreq[32];
+    unsigned int        num_writes;
+} MultiReqBuffer;
+
 typedef struct VirtIOBlockReq {
     VirtIOBlock *dev;
     VirtQueueElement *elem;
@@ -172,4 +177,8 @@ void virtio_blk_set_conf(DeviceState *dev, VirtIOBlkConf *blk);
 int virtio_blk_handle_scsi_req(VirtIOBlock *blk,
                                VirtQueueElement *elem);
 
+void virtio_blk_handle_request(VirtIOBlockReq *req, MultiReqBuffer *mrb);
+
+void virtio_submit_multiwrite(BlockDriverState *bs, MultiReqBuffer *mrb);
+
 #endif