virtqueue_map_single_attrs
addr = virtqueue_map_single_attrs(rq->vq, dma + 1,
hdr_dma = virtqueue_map_single_attrs(sq->vq, &xsk_hdr, vi->hdr_len,
EXPORT_SYMBOL_GPL(virtqueue_map_single_attrs);
return virtqueue_map_single_attrs(&vq->vq, cpu_addr,
dma_addr_t virtqueue_map_single_attrs(const struct virtqueue *_vq, void *ptr, size_t size,