98 static unsigned long *dma_walk_cpu_trans(unsigned long *rto, dma_addr_t dma_addr)  in dma_walk_cpu_trans()  argument
103 	rtx = calc_rtx(dma_addr);  in dma_walk_cpu_trans()
108 	sx = calc_sx(dma_addr);  in dma_walk_cpu_trans()
113 	px = calc_px(dma_addr);  in dma_walk_cpu_trans()
118 				 dma_addr_t dma_addr, int flags)  in dma_update_cpu_trans()  argument
122 	entry = dma_walk_cpu_trans(zdev->dma_table, dma_addr);  in dma_update_cpu_trans()
143 			    dma_addr_t dma_addr, size_t size, int flags)  in dma_update_trans()  argument
147 	dma_addr_t start_dma_addr = dma_addr;  in dma_update_trans()
159 		dma_update_cpu_trans(zdev, page_addr, dma_addr, flags);  in dma_update_trans()
161 		dma_addr += PAGE_SIZE;  in dma_update_trans()
284 	dma_addr_t dma_addr;  in s390_dma_map_pages()  local
295 	dma_addr = zdev->start_dma + iommu_page_index * PAGE_SIZE;  in s390_dma_map_pages()
296 	if (dma_addr + size > zdev->end_dma)  in s390_dma_map_pages()
302 	if (!dma_update_trans(zdev, pa, dma_addr, size, flags)) {  in s390_dma_map_pages()
304 		return dma_addr + (offset & ~PAGE_MASK);  in s390_dma_map_pages()
315 static void s390_dma_unmap_pages(struct device *dev, dma_addr_t dma_addr,  in s390_dma_unmap_pages()  argument
323 	npages = iommu_num_pages(dma_addr, size, PAGE_SIZE);  in s390_dma_unmap_pages()
324 	dma_addr = dma_addr & PAGE_MASK;  in s390_dma_unmap_pages()
325 	if (dma_update_trans(zdev, 0, dma_addr, npages * PAGE_SIZE,  in s390_dma_unmap_pages()
328 		zpci_err_hex(&dma_addr, sizeof(dma_addr));  in s390_dma_unmap_pages()
332 	iommu_page_index = (dma_addr - zdev->start_dma) >> PAGE_SHIFT;  in s390_dma_unmap_pages()