478 	unsigned long shift, iova_len, iova = 0;  in iommu_dma_alloc_iova()  local
486 	iova_len = size >> shift;  in iommu_dma_alloc_iova()
493 	if (iova_len < (1 << (IOVA_RANGE_CACHE_MAX_SIZE - 1)))  in iommu_dma_alloc_iova()
494 		iova_len = roundup_pow_of_two(iova_len);  in iommu_dma_alloc_iova()
503 		iova = alloc_iova_fast(iovad, iova_len,  in iommu_dma_alloc_iova()
507 		iova = alloc_iova_fast(iovad, iova_len, dma_limit >> shift,  in iommu_dma_alloc_iova()
917 	size_t iova_len = 0;  in iommu_dma_map_sg()  local
936 		size_t pad_len = (mask - iova_len + 1) & mask;  in iommu_dma_map_sg()
959 			iova_len += pad_len;  in iommu_dma_map_sg()
962 		iova_len += s_length;  in iommu_dma_map_sg()
966 	iova = iommu_dma_alloc_iova(domain, iova_len, dma_get_mask(dev), dev);  in iommu_dma_map_sg()
974 	if (iommu_map_sg_atomic(domain, iova, sg, nents, prot) < iova_len)  in iommu_dma_map_sg()
980 	iommu_dma_free_iova(cookie, iova, iova_len);  in iommu_dma_map_sg()