virtio: add virtqueue_ vq_ops wrappers

Add inline functions that wrap vq->vq_ops-> calls

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 40d1709bdbf4a8b0cc01a7caa132ff0c09c54fda..18ccc686a429afe3f69bc0451e5ead7b0d161446 100644 (file)
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -77,6 +77,40 @@ struct virtqueue_ops {
        void *(*detach_unused_buf)(struct virtqueue *vq);
 };
 
+static inline int virtqueue_add_buf(struct virtqueue *vq,
+                                   struct scatterlist sg[],
+                                   unsigned int out_num,
+                                   unsigned int in_num,
+                                   void *data)
+{
+       return vq->vq_ops->add_buf(vq, sg, out_num, in_num, data);
+}
+
+static inline int void virtqueue_kick(struct virtqueue *vq)
+{
+       return vq->vq_ops->kick(vq);
+}
+
+static inline void *virtqueue_get_buf(struct virtqueue *vq, unsigned int *len)
+{
+       return vq->vq_ops->get_buf(vq, len);
+}
+
+static inline void virtqueue_disable_cb(struct virtqueue *vq)
+{
+       vq->vq_ops->disable_cb(vq);
+}
+
+static inline bool virtqueue_enable_cb(struct virtqueue *vq)
+{
+       return vq->vq_ops->enable_cb(vq);
+}
+
+static inline void *virtqueue_detach_unused_buf(struct virtqueue *vq)
+{
+       return vq->vq_ops->detach_unused_buf(vq);
+}
+
 /**
  * virtio_device - representation of a device using virtio
  * @index: unique position on the virtio bus