diff mbox series

[v2,5/7] vhost-user-blk: add VIRTIO_F_RING_PACKED feature bit

Message ID 20200609170218.246468-6-stefanha@redhat.com (mailing list archive)
State New, archived
Headers show
Series virtio: enable VIRTIO_F_RING_PACKED for all devices | expand

Commit Message

Stefan Hajnoczi June 9, 2020, 5:02 p.m. UTC 
Vhost devices have a list of feature bits that the device backend is
allowed to control. The VIRTIO_F_RING_PACKED feature is a feature that
must be negotiated through all the way to the device backend. Add it so
the device backend can declare whether or not it supports the packed
ring layout.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
---
 hw/block/vhost-user-blk.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c
index 9d8c0b3909..10e114a19a 100644
--- a/hw/block/vhost-user-blk.c
+++ b/hw/block/vhost-user-blk.c
@@ -44,6 +44,7 @@  static const int user_feature_bits[] = {
     VIRTIO_BLK_F_DISCARD,
     VIRTIO_BLK_F_WRITE_ZEROES,
     VIRTIO_F_VERSION_1,
+    VIRTIO_F_RING_PACKED,
     VIRTIO_RING_F_INDIRECT_DESC,
     VIRTIO_RING_F_EVENT_IDX,
     VIRTIO_F_NOTIFY_ON_EMPTY,