virtio: add virtqueue_ vq_ops wrappers

[mv-sheeva.git] / include / linux / virtio.h

diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index f508c651e53dec96f7d27a840979fd80a42e0d10..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
@@ -98,6 +132,7 @@ struct virtio_device {
        void *priv;
 };
 
+#define dev_to_virtio(dev) container_of(dev, struct virtio_device, dev)
 int register_virtio_device(struct virtio_device *dev);
 void unregister_virtio_device(struct virtio_device *dev);