[PULL v4 34/83] vhost: expose vhost_virtqueue_stop()

Michael S. Tsirkin posted 83 patches 3 years, 1 month ago
Maintainers: "Gonglei (Arei)" <arei.gonglei@huawei.com>, "Daniel P. Berrangé" <berrange@redhat.com>, Ani Sinha <ani@anisinha.ca>, "Michael S. Tsirkin" <mst@redhat.com>, Igor Mammedov <imammedo@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, Shannon Zhao <shannon.zhaosl@gmail.com>, Raphael Norwitz <raphael.norwitz@nutanix.com>, Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Yanan Wang <wangyanan55@huawei.com>, Ben Widawsky <ben.widawsky@intel.com>, Jonathan Cameron <jonathan.cameron@huawei.com>, Gerd Hoffmann <kraxel@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, Peter Xu <peterx@redhat.com>, Jason Wang <jasowang@redhat.com>, Sergio Lopez <slp@redhat.com>, Dmitry Fleytman <dmitry.fleytman@gmail.com>, Jiri Pirko <jiri@resnulli.us>, Keith Busch <kbusch@kernel.org>, Klaus Jensen <its@irrelevant.dk>, Huai-Cheng Kuo <hchkuo@avery-design.com.tw>, Chris Browy <cbrowy@avery-design.com>, Yuval Shaia <yuval.shaia.ml@gmail.com>, Elena Ufimtseva <elena.ufimtseva@oracle.com>, Jagannathan Raman <jag.raman@oracle.com>, John G Johnson <john.g.johnson@oracle.com>, Alex Williamson <alex.williamson@redhat.com>, "Dr. David Alan Gilbert" <dgilbert@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>, "Alex Bennée" <alex.bennee@linaro.org>, Viresh Kumar <viresh.kumar@linaro.org>, Mathieu Poirier <mathieu.poirier@linaro.org>, Eric Auger <eric.auger@redhat.com>, David Hildenbrand <david@redhat.com>, Eric Blake <eblake@redhat.com>, Markus Armbruster <armbru@redhat.com>, Cleber Rosa <crosa@redhat.com>, Wainer dos Santos Moschetta <wainersm@redhat.com>, Beraldo Leal <bleal@redhat.com>
[PULL v4 34/83] vhost: expose vhost_virtqueue_stop()
Posted by Michael S. Tsirkin 3 years, 1 month ago
From: Kangjie Xu <kangjie.xu@linux.alibaba.com>

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>
---
 include/hw/virtio/vhost.h | 2 ++
 hw/virtio/vhost.c         | 8 ++++----
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h
index 0054a695dc..353252ac3e 100644
--- 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);
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 788d0a0679..d1c4c20b8c 100644
--- 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 = {
-- 
MST