vhost: add device op when notification to guest is sent

[dpdk.git] / lib / librte_vhost / vhost.h

diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h
index 884befa..5131a97 100644 (file)
--- a/lib/librte_vhost/vhost.h
+++ b/lib/librte_vhost/vhost.h
@@ -543,13 +543,19 @@ vhost_vring_call_split(struct virtio_net *dev, struct vhost_virtqueue *vq)
 
                if ((vhost_need_event(vhost_used_event(vq), new, old) &&
                                        (vq->callfd >= 0)) ||
-                               unlikely(!signalled_used_valid))
+                               unlikely(!signalled_used_valid)) {
                        eventfd_write(vq->callfd, (eventfd_t) 1);
+                       if (dev->notify_ops->guest_notified)
+                               dev->notify_ops->guest_notified(dev->vid);
+               }
        } else {
                /* Kick the guest if necessary. */
                if (!(vq->avail->flags & VRING_AVAIL_F_NO_INTERRUPT)
-                               && (vq->callfd >= 0))
+                               && (vq->callfd >= 0)) {
                        eventfd_write(vq->callfd, (eventfd_t)1);
+                       if (dev->notify_ops->guest_notified)
+                               dev->notify_ops->guest_notified(dev->vid);
+               }
        }
 }
 
@@ -600,8 +606,11 @@ vhost_vring_call_packed(struct virtio_net *dev, struct vhost_virtqueue *vq)
        if (vhost_need_event(off, new, old))
                kick = true;
 kick:
-       if (kick)
+       if (kick) {
                eventfd_write(vq->callfd, (eventfd_t)1);
+               if (dev->notify_ops->guest_notified)
+                       dev->notify_ops->guest_notified(dev->vid);
+       }
 }
 
 static __rte_always_inline void