[RFC PATCH 16/27] virtio: Expose virtqueue_alloc_element

[Eugenio Pérez]

Specify VirtQueueElement * as return type makes no harm at this moment.

Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
---
 include/hw/virtio/virtio.h | 2 ++
 hw/virtio/virtio.c         | 3 ++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 79212141a6..ee8fe96f32 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -196,6 +196,8 @@ void virtqueue_fill(VirtQueue *vq, const VirtQueueElement 
*elem,
                     unsigned int len, unsigned int idx);
 
 void virtqueue_map(VirtIODevice *vdev, VirtQueueElement *elem);
+VirtQueueElement *virtqueue_alloc_element(size_t sz, unsigned out_num,
+                                          unsigned in_num);
 void *virtqueue_pop(VirtQueue *vq, size_t sz);
 unsigned int virtqueue_drop_all(VirtQueue *vq);
 void *qemu_get_virtqueue_element(VirtIODevice *vdev, QEMUFile *f, size_t sz);
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index ad9dc5dfa7..a89525f067 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -1400,7 +1400,8 @@ void virtqueue_map(VirtIODevice *vdev, VirtQueueElement 
*elem)
                                                                         false);
 }
 
-static void *virtqueue_alloc_element(size_t sz, unsigned out_num, unsigned 
in_num)
+VirtQueueElement *virtqueue_alloc_element(size_t sz, unsigned out_num,
+                                          unsigned in_num)
 {
     VirtQueueElement *elem;
     size_t in_addr_ofs = QEMU_ALIGN_UP(sz, __alignof__(elem->in_addr[0]));
-- 
2.18.4