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

Kangjie Xu posted 15 patches 3 years, 5 months ago
Maintainers: Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Philippe Mathieu-Daudé" <f4bug@amsat.org>, Yanan Wang <wangyanan55@huawei.com>, "Michael S. Tsirkin" <mst@redhat.com>, Jason Wang <jasowang@redhat.com>
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[PATCH v4 08/15] vhost: expose vhost_virtqueue_start()
Posted by Kangjie Xu 3 years, 5 months ago
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>
---
 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
Re: [PATCH v4 08/15] vhost: expose vhost_virtqueue_start()
Posted by Jason Wang 3 years, 4 months ago
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
>