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[RFC,v6,14/20] s390x/virtio-ccw: enable virtio 1.0

Message ID 1418304322-7546-15-git-send-email-cornelia.huck@de.ibm.com
State New
Headers show

Commit Message

Cornelia Huck Dec. 11, 2014, 1:25 p.m. UTC 
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 <cornelia.huck@de.ibm.com>
---
 hw/s390x/virtio-ccw.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Stefan Hajnoczi Jan. 20, 2015, 11:15 a.m. UTC | #1 
On Thu, Dec 11, 2014 at 02:25:16PM +0100, Cornelia Huck wrote:
> 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 <cornelia.huck@de.ibm.com>
> ---
>  hw/s390x/virtio-ccw.h |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
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Patch

diff --git a/hw/s390x/virtio-ccw.h b/hw/s390x/virtio-ccw.h
index 778ccb9..37a9840 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(VirtioCcwDevice *dev)
 {
-    return 0;
+    return dev->host_features & (1ULL << VIRTIO_F_VERSION_1) ? 1 : 0;
 }
 
 /* virtual css bus type */