virtio: limit avail bytes lookahead

[qemu.git] / hw / virtio.h

diff --git a/hw/virtio.h b/hw/virtio.h
index df8d0f7b6982ec00ebfd736c52118f07994c1a96..7c17f7ba0bb0512bafebe70783c8cf3e68bc59ff 100644 (file)
--- a/hw/virtio.h
+++ b/hw/virtio.h
@@ -150,7 +150,8 @@ int virtqueue_pop(VirtQueue *vq, VirtQueueElement *elem);
 int virtqueue_avail_bytes(VirtQueue *vq, unsigned int in_bytes,
                           unsigned int out_bytes);
 void virtqueue_get_avail_bytes(VirtQueue *vq, unsigned int *in_bytes,
-                               unsigned int *out_bytes);
+                               unsigned int *out_bytes,
+                               unsigned max_in_bytes, unsigned max_out_bytes);
 
 void virtio_notify(VirtIODevice *vdev, VirtQueue *vq);