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| author | Kangjie Xu <kangjie.xu@linux.alibaba.com> | 2022-10-17 17:25:49 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2022-11-07 13:12:20 -0500 |
| commit | d1060e3dc5444755c8bc056908275c2d715c6608 (patch) | |
| tree | 8662c4042f5fd5fb554532265ec66cdbe39163c7 /hw/virtio/virtio-pci.c | |
| parent | 805d782d284cba013707d5edf38b04047b21d4b5 (diff) | |
| download | qemu-d1060e3dc5444755c8bc056908275c2d715c6608.zip qemu-d1060e3dc5444755c8bc056908275c2d715c6608.tar.gz qemu-d1060e3dc5444755c8bc056908275c2d715c6608.tar.bz2 | |
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.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index d4f2ffe..855718d 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); } |