diff mbox series

[v5,07/15] virtio-pci: support queue enable

Message ID 20220914042055.61939-8-xuanzhuo@linux.alibaba.com (mailing list archive)
State New, archived
Headers show
Series Support VIRTIO_F_RING_RESET for virtio-net, vhost-net kernel in virtio pci-modern | expand

Commit Message

Xuan Zhuo Sept. 14, 2022, 4:20 a.m. UTC 
From: Kangjie Xu <kangjie.xu@linux.alibaba.com>

PCI devices support device specific vq enable.

Based on this function, the driver can re-enable the virtqueue after the
virtqueue is reset.

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/virtio-pci.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 79b9e641dd..a53b5d9f1e 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1342,6 +1342,7 @@  static void virtio_pci_common_write(void *opaque, hwaddr addr,
                        proxy->vqs[vdev->queue_sel].used[0]);
             proxy->vqs[vdev->queue_sel].enabled = 1;
             proxy->vqs[vdev->queue_sel].reset = 0;
+            virtio_queue_enable(vdev, vdev->queue_sel);
         } else {
             virtio_error(vdev, "wrong value for queue_enable %"PRIx64, val);
         }