diff options
| author | Cornelia Huck <cornelia.huck@de.ibm.com> | 2015-06-04 12:34:12 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2015-06-10 18:15:04 +0200 |
| commit | ab223c9518e8c7eb542ef3133de1a34475b69790 (patch) | |
| tree | e62ffe27d7702e98da126d6808aca3f3d7b1f12a /include/hw/virtio/virtio.h | |
| parent | 3c185597c86b8cd0a07c46e7a5bd5aac28bb7200 (diff) | |
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 <cornelia.huck@de.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/hw/virtio/virtio.h')
| -rw-r--r-- | include/hw/virtio/virtio.h | 3 |
1 files changed, 3 insertions, 0 deletions
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); |