1 files changed, 20 insertions, 6 deletions

diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index ff6714e6d0f5..9ff8645b7e0b 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -8,6 +8,7 @@
 #include <linux/device.h>
 #include <linux/mod_devicetable.h>
 #include <linux/gfp.h>
+#include <linux/vringh.h>
 
 /**
  * virtqueue - a queue to register buffers for sending or receiving.
@@ -40,6 +41,23 @@ int virtqueue_add_buf(struct virtqueue *vq,
                       void *data,
                       gfp_t gfp);
 
+int virtqueue_add_outbuf(struct virtqueue *vq,
+                         struct scatterlist sg[], unsigned int num,
+                         void *data,
+                         gfp_t gfp);
+
+int virtqueue_add_inbuf(struct virtqueue *vq,
+                        struct scatterlist sg[], unsigned int num,
+                        void *data,
+                        gfp_t gfp);
+
+int virtqueue_add_sgs(struct virtqueue *vq,
+                      struct scatterlist *sgs[],
+                      unsigned int out_sgs,
+                      unsigned int in_sgs,
+                      void *data,
+                      gfp_t gfp);
+
 void virtqueue_kick(struct virtqueue *vq);
 
 bool virtqueue_kick_prepare(struct virtqueue *vq);
@@ -58,18 +76,13 @@ void *virtqueue_detach_unused_buf(struct virtqueue *vq);
 
 unsigned int virtqueue_get_vring_size(struct virtqueue *vq);
 
-/* FIXME: Obsolete accessor, but required for virtio_net merge. */
-static inline unsigned int virtqueue_get_queue_index(struct virtqueue *vq)
-{
-        return vq->index;
-}
-
 /**
  * virtio_device - representation of a device using virtio
  * @index: unique position on the virtio bus
  * @dev: underlying device.
  * @id: the device type identification (used to match it with a driver).
  * @config: the configuration ops for this device.
+ * @vringh_config: configuration ops for host vrings.
  * @vqs: the list of virtqueues for this device.
  * @features: the features supported by both driver and device.
  * @priv: private pointer for the driver's use.
@@ -79,6 +92,7 @@ struct virtio_device {
         struct device dev;
         struct virtio_device_id id;
         const struct virtio_config_ops *config;
+        const struct vringh_config_ops *vringh_config;
         struct list_head vqs;
         /* Note that this is a Linux set_bit-style bitmap. */
         unsigned long features[1];