@@ -105,6 +105,13 @@ struct vring_virtqueue_split {
/* DMA address and size information */
dma_addr_t queue_dma_addr;
size_t queue_size_in_bytes;
+
+ /*
+ * The parameters for creating vrings are reserved for creating new
+ * vring.
+ */
+ u32 vring_align;
+ bool may_reduce_num;
};
struct vring_virtqueue_packed {
@@ -1071,6 +1078,9 @@ static int vring_alloc_queue_split(struct vring_virtqueue_split *vring_split,
vring_split->queue_dma_addr = dma_addr;
vring_split->queue_size_in_bytes = vring_size(num, vring_align);
+ vring_split->vring_align = vring_align;
+ vring_split->may_reduce_num = may_reduce_num;
+
return 0;
}