libvhost-user: vu_queue_started

Add a vu_queue_started method to complement vu_queue_enabled.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20171002191521.15748-2-dgilbert@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>

diff --git a/contrib/libvhost-user/libvhost-user.c b/contrib/libvhost-user/libvhost-user.c
index a0e0da4ccba896ab5df858662eb51f455c406af0..62be958f59e57980d8b45c2ccbab76e1e65a2d27 100644 (file)
--- a/contrib/libvhost-user/libvhost-user.c
+++ b/contrib/libvhost-user/libvhost-user.c
@@ -966,6 +966,12 @@ vu_queue_enabled(VuDev *dev, VuVirtq *vq)
     return vq->enable;
 }
 
+bool
+vu_queue_started(const VuDev *dev, const VuVirtq *vq)
+{
+    return vq->started;
+}
+
 static inline uint16_t
 vring_avail_flags(VuVirtq *vq)
 {

diff --git a/contrib/libvhost-user/libvhost-user.h b/contrib/libvhost-user/libvhost-user.h
index 5825b66880bdb135d06d5b543093d7ec5cdc64ca..ff8059257eb61068a9c0b447881d9b7a1f8b7fa1 100644 (file)
--- a/contrib/libvhost-user/libvhost-user.h
+++ b/contrib/libvhost-user/libvhost-user.h
@@ -334,6 +334,15 @@ void vu_queue_set_notification(VuDev *dev, VuVirtq *vq, int enable);
  */
 bool vu_queue_enabled(VuDev *dev, VuVirtq *vq);
 
+/**
+ * vu_queue_started:
+ * @dev: a VuDev context
+ * @vq: a VuVirtq queue
+ *
+ * Returns: whether the queue is started.
+ */
+bool vu_queue_started(const VuDev *dev, const VuVirtq *vq);
+
 /**
  * vu_queue_empty:
  * @dev: a VuDev context