_vdpa_register_device
ret = _vdpa_register_device(&adapter->vdpa, vf->nr_vring);
err = _vdpa_register_device(&mvdev->vdev, max_vqs + 1);
ret = _vdpa_register_device(&oct_vdpa->vdpa, oct_hw->nr_vring);
err = _vdpa_register_device(&pdsv->vdpa_dev, pdsv->num_vqs);
EXPORT_SYMBOL_GPL(_vdpa_register_device);
ret = _vdpa_register_device(&simdev->vdpa, VDPASIM_BLK_VQ_NUM);
ret = _vdpa_register_device(&simdev->vdpa, VDPASIM_NET_VQ_NUM);
ret = _vdpa_register_device(&dev->vdev->vdpa, dev->vq_num);
ret = _vdpa_register_device(&vp_vdpa->vdpa, vp_vdpa->queues);
int _vdpa_register_device(struct vdpa_device *vdev, u32 nvqs);