Re: [PATCH v4 08/15] vhost: expose vhost_virtqueue_start()

[Jason Wang]

On Mon, Sep 12, 2022 at 1:22 AM Kangjie Xu <kangjie.xu@linux.alibaba.com> wrote:
>
> Expose vhost_virtqueue_start(), we need to use it when restarting 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>

> ---
>  hw/virtio/vhost.c         | 8 ++++----
>  include/hw/virtio/vhost.h | 3 +++
>  2 files changed, 7 insertions(+), 4 deletions(-)
>
> diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
> index f758f177bb..7900bc81ab 100644
> --- a/hw/virtio/vhost.c
> +++ b/hw/virtio/vhost.c
> @@ -1081,10 +1081,10 @@ out:
>      return ret;
>  }
>
> -static int vhost_virtqueue_start(struct vhost_dev *dev,
> -                                struct VirtIODevice *vdev,
> -                                struct vhost_virtqueue *vq,
> -                                unsigned idx)
> +int vhost_virtqueue_start(struct vhost_dev *dev,
> +                          struct VirtIODevice *vdev,
> +                          struct vhost_virtqueue *vq,
> +                          unsigned idx)
>  {
>      BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(vdev)));
>      VirtioBusState *vbus = VIRTIO_BUS(qbus);
> diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h
> index a346f23d13..b092f57d98 100644
> --- a/include/hw/virtio/vhost.h
> +++ b/include/hw/virtio/vhost.h
> @@ -279,6 +279,9 @@ int vhost_net_set_backend(struct vhost_dev *hdev,
>
>  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_dev_reset_inflight(struct vhost_inflight *inflight);
>  void vhost_dev_free_inflight(struct vhost_inflight *inflight);
>  void vhost_dev_save_inflight(struct vhost_inflight *inflight, QEMUFile *f);
> --
> 2.32.0
>