Re: [PATCH v3 07/15] virtio-pci: support queue enable

[Jason Wang]

在 2022/8/25 16:08, Kangjie Xu 写道:

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 
Signed-off-by: Xuan Zhuo 



Acked-by: Jason Wang 



---
  hw/virtio/virtio-pci.c | 1 +
  1 file changed, 1 insertion(+)

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);
  }

[PATCH v3 07/15] virtio-pci: support queue enable

[Kangjie Xu]

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 
Signed-off-by: Xuan Zhuo 
---
 hw/virtio/virtio-pci.c | 1 +
 1 file changed, 1 insertion(+)

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);
 }
-- 
2.32.0