[RFC PATCH 3/6] vdpa: use virtio_ops->should_enable at vhost_vdpa_set_vrings_ready

["Eugenio Pérez" <eperezma@redhat.com>]

This allow to skip some rings that qemu does not want to enable.

Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
---
 hw/virtio/vhost-vdpa.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
index 5978d970ee..f51f5d9969 100644
--- a/hw/virtio/vhost-vdpa.c
+++ b/hw/virtio/vhost-vdpa.c
@@ -892,6 +892,11 @@ static int vhost_vdpa_set_vrings_ready(struct vhost_dev *dev)
 
     assert(dev->vhost_ops->backend_type == VHOST_BACKEND_TYPE_VDPA);
 
+    if (v->virtio_ops && v->virtio_ops->should_enable
+        && !(v->virtio_ops->should_enable(v))) {
+        return 0;
+    }
+
     for (i = 0; i < dev->nvqs; ++i) {
         vhost_vdpa_set_vring_ready(v, dev->vq_index + i);
     }
-- 
2.39.3