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authorFam Zheng <famz@redhat.com>2014-06-17 14:32:06 +0800
committerKevin Wolf <kwolf@redhat.com>2014-06-27 18:20:32 +0200
commitbf4bd461b43d90c5af30f61f740c1bb675849ab9 (patch)
tree3ac4398bd9dc4ff518e752ae3f666fb87d9bf880 /hw/block
parent13344f3a17e0a785c0eb8e36f69518f21aa8a91a (diff)
virtio-blk: Make request completion function virtual
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>
Diffstat (limited to 'hw/block')
-rw-r--r--hw/block/virtio-blk.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c
index 4b1aeab525..9975ad0324 100644
--- a/hw/block/virtio-blk.c
+++ b/hw/block/virtio-blk.c
@@ -44,7 +44,8 @@ static void virtio_blk_free_request(VirtIOBlockReq *req)
}
}
-static void virtio_blk_req_complete(VirtIOBlockReq *req, int status)
+static void virtio_blk_complete_request(VirtIOBlockReq *req,
+ unsigned char status)
{
VirtIOBlock *s = req->dev;
VirtIODevice *vdev = VIRTIO_DEVICE(s);
@@ -56,6 +57,11 @@ static void virtio_blk_req_complete(VirtIOBlockReq *req, int status)
virtio_notify(vdev, s->vq);
}
+static void virtio_blk_req_complete(VirtIOBlockReq *req, unsigned char status)
+{
+ req->dev->complete_request(req, status);
+}
+
static int virtio_blk_handle_rw_error(VirtIOBlockReq *req, int error,
bool is_read)
{
@@ -740,6 +746,7 @@ static void virtio_blk_device_realize(DeviceState *dev, Error **errp)
s->sector_mask = (s->conf->logical_block_size / BDRV_SECTOR_SIZE) - 1;
s->vq = virtio_add_queue(vdev, 128, virtio_blk_handle_output);
+ s->complete_request = virtio_blk_complete_request;
#ifdef CONFIG_VIRTIO_BLK_DATA_PLANE
virtio_blk_data_plane_create(vdev, blk, &s->dataplane, &err);
if (err != NULL) {