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authorKangjie Xu2022-10-17 11:25:49 +0200
committerMichael S. Tsirkin2022-11-07 19:12:20 +0100
commitd1060e3dc5444755c8bc056908275c2d715c6608 (patch)
tree8662c4042f5fd5fb554532265ec66cdbe39163c7 /hw
parentvirtio-pci: support queue reset (diff)
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virtio-pci: support queue enable
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>
Diffstat (limited to 'hw')
-rw-r--r--hw/virtio/virtio-pci.c1
1 files changed, 1 insertions, 0 deletions
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);
}