diff options
Diffstat (limited to 'hw/virtio.c')
-rw-r--r-- | hw/virtio.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/virtio.c b/hw/virtio.c index 064aecf553..314abf8a18 100644 --- a/hw/virtio.c +++ b/hw/virtio.c @@ -624,6 +624,13 @@ int virtio_queue_get_num(VirtIODevice *vdev, int n) return vdev->vq[n].vring.num; } +int virtio_queue_get_id(VirtQueue *vq) +{ + VirtIODevice *vdev = vq->vdev; + assert(vq >= &vdev->vq[0] && vq < &vdev->vq[VIRTIO_PCI_QUEUE_MAX]); + return vq - &vdev->vq[0]; +} + void virtio_queue_notify_vq(VirtQueue *vq) { if (vq->vring.desc) { |