diff mbox series

[PULL,v2,40/82] virtio-pci: support queue enable

Message ID 20221102160336.616599-41-mst@redhat.com (mailing list archive)
State New, archived
Headers show
Series [PULL,v2,01/82] hw/i386/e820: remove legacy reserved entries for e820 | expand

Commit Message

Michael S. Tsirkin Nov. 2, 2022, 4:10 p.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>
Message-Id: <20221017092558.111082-7-xuanzhuo@linux.alibaba.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@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 d4f2ffe986..855718d586 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);
         }