From ab223c9518e8c7eb542ef3133de1a34475b69790 Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Thu, 4 Jun 2015 12:34:12 +0200 Subject: virtio: allow virtio-1 queue layout For virtio-1 devices, we allow a more complex queue layout that doesn't require descriptor table and rings on a physically-contigous memory area: add virtio_queue_set_rings() to allow transports to set this up. Signed-off-by: Cornelia Huck Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Michael S. Tsirkin --- include/hw/virtio/virtio.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include/hw') diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index 13e8549dcf..b877a93be5 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -177,6 +177,9 @@ hwaddr virtio_queue_get_addr(VirtIODevice *vdev, int n); void virtio_queue_set_num(VirtIODevice *vdev, int n, int num); int virtio_queue_get_num(VirtIODevice *vdev, int n); int virtio_get_num_queues(VirtIODevice *vdev); +void virtio_queue_set_rings(VirtIODevice *vdev, int n, hwaddr desc, + hwaddr avail, hwaddr used); +void virtio_queue_update_rings(VirtIODevice *vdev, int n); void virtio_queue_set_align(VirtIODevice *vdev, int n, int align); void virtio_queue_notify(VirtIODevice *vdev, int n); uint16_t virtio_queue_vector(VirtIODevice *vdev, int n); -- cgit v1.2.3