diff options
Diffstat (limited to 'contrib/libvhost-user/libvhost-user.h')
| -rw-r--r-- | contrib/libvhost-user/libvhost-user.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/contrib/libvhost-user/libvhost-user.h b/contrib/libvhost-user/libvhost-user.h index c0133b7f3f..3de8414898 100644 --- a/contrib/libvhost-user/libvhost-user.h +++ b/contrib/libvhost-user/libvhost-user.h @@ -458,6 +458,20 @@ void vu_queue_notify(VuDev *dev, VuVirtq *vq); */ void *vu_queue_pop(VuDev *dev, VuVirtq *vq, size_t sz); + +/** + * vu_queue_unpop: + * @dev: a VuDev context + * @vq: a VuVirtq queue + * @elem: The #VuVirtqElement + * @len: number of bytes written + * + * Pretend the most recent element wasn't popped from the virtqueue. The next + * call to vu_queue_pop() will refetch the element. + */ +void vu_queue_unpop(VuDev *dev, VuVirtq *vq, VuVirtqElement *elem, + size_t len); + /** * vu_queue_rewind: * @dev: a VuDev context |