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authorKangjie Xu <kangjie.xu@linux.alibaba.com>2022-10-17 17:25:49 +0800
committerMichael S. Tsirkin <mst@redhat.com>2022-11-07 13:12:20 -0500
commitd1060e3dc5444755c8bc056908275c2d715c6608 (patch)
tree8662c4042f5fd5fb554532265ec66cdbe39163c7 /hw/virtio/virtio-pci.c
parent805d782d284cba013707d5edf38b04047b21d4b5 (diff)
downloadfocaccia-qemu-d1060e3dc5444755c8bc056908275c2d715c6608.tar.gz
focaccia-qemu-d1060e3dc5444755c8bc056908275c2d715c6608.zip
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/virtio/virtio-pci.c')
-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);
         }