vhost: expose vhost_virtqueue_stop()

Expose vhost_virtqueue_stop(), we need to use it when resetting a
virtqueue.

Signed-off-by: Kangjie Xu <kangjie.xu@linux.alibaba.com>
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20221017092558.111082-9-xuanzhuo@linux.alibaba.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 788d0a06796d08f06285253e94969fc841e6ec50..d1c4c20b8c9ae1ff2822bc4d62c2eeaeeab93c1b 100644 (file)
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -1201,10 +1201,10 @@ fail_alloc_desc:
     return r;
 }
 
-static void vhost_virtqueue_stop(struct vhost_dev *dev,
-                                    struct VirtIODevice *vdev,
-                                    struct vhost_virtqueue *vq,
-                                    unsigned idx)
+void vhost_virtqueue_stop(struct vhost_dev *dev,
+                          struct VirtIODevice *vdev,
+                          struct vhost_virtqueue *vq,
+                          unsigned idx)
 {
     int vhost_vq_index = dev->vhost_ops->vhost_get_vq_index(dev, idx);
     struct vhost_vring_state state = {

diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h
index 0054a695dc49d60f1b0c47016e7f76d66c62f8f2..353252ac3e80746c8ad63593d278ff3ea7df6132 100644 (file)
--- a/include/hw/virtio/vhost.h
+++ b/include/hw/virtio/vhost.h
@@ -299,6 +299,8 @@ int vhost_device_iotlb_miss(struct vhost_dev *dev, uint64_t iova, int write);
 
 int vhost_virtqueue_start(struct vhost_dev *dev, struct VirtIODevice *vdev,
                           struct vhost_virtqueue *vq, unsigned idx);
+void vhost_virtqueue_stop(struct vhost_dev *dev, struct VirtIODevice *vdev,
+                          struct vhost_virtqueue *vq, unsigned idx);
 
 void vhost_dev_reset_inflight(struct vhost_inflight *inflight);
 void vhost_dev_free_inflight(struct vhost_inflight *inflight);