virtio: find_vqs/del_vqs virtio operations
This replaces find_vq/del_vq with find_vqs/del_vqs virtio operations,
and updates all drivers. This is needed for MSI support, because MSI
needs to know the total number of vectors upfront.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (+ lguest/9p compile fixes)
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index ab8791f..a49484e 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -246,7 +246,7 @@
chan->vdev = vdev;
/* We expect one virtqueue, for requests. */
- chan->vq = vdev->config->find_vq(vdev, 0, req_done, "requests");
+ chan->vq = virtio_find_single_vq(vdev, req_done, "requests");
if (IS_ERR(chan->vq)) {
err = PTR_ERR(chan->vq);
goto out_free_vq;
@@ -261,7 +261,7 @@
return 0;
out_free_vq:
- vdev->config->del_vq(chan->vq);
+ vdev->config->del_vqs(vdev);
fail:
mutex_lock(&virtio_9p_lock);
chan_index--;
@@ -332,7 +332,7 @@
BUG_ON(chan->inuse);
if (chan->initialized) {
- vdev->config->del_vq(chan->vq);
+ vdev->config->del_vqs(vdev);
chan->initialized = false;
}
}
