Commit ca71db43 authored by Cindy Lu's avatar Cindy Lu Committed by Michael S. Tsirkin
Browse files

vhost: implement vhost_dev_start method 



use the vhost_dev_start callback to send the status to backend

Signed-off-by: default avatarCindy Lu <lulu@redhat.com>
Message-Id: <20200701145538.22333-8-lulu@redhat.com>
Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Acked-by: default avatarJason Wang <jasowang@redhat.com>
parent 68513bcd

hw/virtio/vhost.c

+9 −1
Original line number Diff line number Diff line
@@ -1685,7 +1685,12 @@ int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice *vdev) 
            goto fail_log;

        }

    }



    if (hdev->vhost_ops->vhost_dev_start) {

        r = hdev->vhost_ops->vhost_dev_start(hdev, true);

        if (r) {

            goto fail_log;

        }

    }

    if (vhost_dev_has_iommu(hdev) &&

        hdev->vhost_ops->vhost_set_iotlb_callback) {

            hdev->vhost_ops->vhost_set_iotlb_callback(hdev, true);
@@ -1723,6 +1728,9 @@ void vhost_dev_stop(struct vhost_dev *hdev, VirtIODevice *vdev) 
    /* should only be called after backend is connected */

    assert(hdev->vhost_ops);



    if (hdev->vhost_ops->vhost_dev_start) {

        hdev->vhost_ops->vhost_dev_start(hdev, false);

    }

    for (i = 0; i < hdev->nvqs; ++i) {

        vhost_virtqueue_stop(hdev,

                             vdev,