swiotlb_sync_single_range(hwdev, dev_addr, offset, size, dir);
swiotlb_sync_single_range(hwdev, dev_addr, offset, size, dir, SYNC_FOR_DEVICE);
swiotlb_sync_single_range_for_device(struct device *hwdev, dma_addr_t dev_addr,				     unsigned long offset, size_t size, int dir){	swiotlb_sync_single_range(hwdev, dev_addr, offset, size, dir);}