[Qemu-devel] [PATCH 4/4] s390x/virtio-ccw: enable virtio 1.0

[Cornelia Huck]

virtio-ccw should now have everything in place to operate virtio 1.0
devices, so let's enable revision 1.

Signed-off-by: Cornelia Huck <address@hidden>
Reviewed-by: Michael S. Tsirkin <address@hidden>
---
 hw/s390x/virtio-ccw.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/s390x/virtio-ccw.h b/hw/s390x/virtio-ccw.h
index 692ddd7..2c31399 100644
--- a/hw/s390x/virtio-ccw.h
+++ b/hw/s390x/virtio-ccw.h
@@ -104,7 +104,7 @@ struct VirtioCcwDevice {
 /* The maximum virtio revision we support. */
 static inline int virtio_ccw_rev_max(VirtIODevice *vdev)
 {
-    return 0;
+    return vdev->host_features & (1ULL << VIRTIO_F_VERSION_1) ? 1 : 0;
 }
 
 /* virtual css bus type */
-- 
2.3.8