diff options
Diffstat (limited to 'hw/block/virtio-blk.c')
| -rw-r--r-- | hw/block/virtio-blk.c | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c index 870d345244..3f88f8cf59 100644 --- a/hw/block/virtio-blk.c +++ b/hw/block/virtio-blk.c @@ -54,7 +54,7 @@ static void virtio_blk_req_complete(VirtIOBlockReq *req, unsigned char status) stb_p(&req->in->status, status); virtqueue_push(s->vq, &req->elem, req->in_len); - if (s->dataplane) { + if (s->dataplane_started && !s->dataplane_disabled) { virtio_blk_data_plane_notify(s->dataplane); } else { virtio_notify(vdev, s->vq); @@ -578,20 +578,11 @@ void virtio_blk_handle_request(VirtIOBlockReq *req, MultiReqBuffer *mrb) } } -static void virtio_blk_handle_output(VirtIODevice *vdev, VirtQueue *vq) +void virtio_blk_handle_vq(VirtIOBlock *s, VirtQueue *vq) { - VirtIOBlock *s = VIRTIO_BLK(vdev); VirtIOBlockReq *req; MultiReqBuffer mrb = {}; - /* Some guests kick before setting VIRTIO_CONFIG_S_DRIVER_OK so start - * dataplane here instead of waiting for .set_status(). - */ - if (s->dataplane && !s->dataplane_started) { - virtio_blk_data_plane_start(s->dataplane); - return; - } - blk_io_plug(s->blk); while ((req = virtio_blk_get_request(s))) { @@ -605,6 +596,22 @@ static void virtio_blk_handle_output(VirtIODevice *vdev, VirtQueue *vq) blk_io_unplug(s->blk); } +static void virtio_blk_handle_output(VirtIODevice *vdev, VirtQueue *vq) +{ + VirtIOBlock *s = (VirtIOBlock *)vdev; + + if (s->dataplane) { + /* Some guests kick before setting VIRTIO_CONFIG_S_DRIVER_OK so start + * dataplane here instead of waiting for .set_status(). + */ + virtio_blk_data_plane_start(s->dataplane); + if (!s->dataplane_disabled) { + return; + } + } + virtio_blk_handle_vq(s, vq); +} + static void virtio_blk_dma_restart_bh(void *opaque) { VirtIOBlock *s = opaque; |