qi_desc_iotlb
qi_desc_iotlb(iommu, did, addr, size_order, type, &batch->descs[batch->index]);
qi_desc_iotlb(iommu, did, addr, size_order, type, &desc);
qi_desc_iotlb(iommu, did, 0, 0, DMA_TLB_DSI_FLUSH, &desc[1]);