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-rw-r--r--drivers/virtio/virtio_ring.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 68b9136847af..4acf88884f9b 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -529,4 +529,14 @@ void vring_transport_features(struct virtio_device *vdev)
}
EXPORT_SYMBOL_GPL(vring_transport_features);
+/* return the size of the vring within the virtqueue */
+unsigned int virtqueue_get_vring_size(struct virtqueue *_vq)
+{
+
+ struct vring_virtqueue *vq = to_vvq(_vq);
+
+ return vq->vring.num;
+}
+EXPORT_SYMBOL_GPL(virtqueue_get_vring_size);
+
MODULE_LICENSE("GPL");