98 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()
133 			    dma_addr_t dma_addr, size_t size, int flags)  in dma_update_trans()  argument
137 	dma_addr_t start_dma_addr = dma_addr;  in dma_update_trans()
152 		entry = dma_walk_cpu_trans(zdev->dma_table, dma_addr);  in dma_update_trans()
159 		dma_addr += PAGE_SIZE;  in dma_update_trans()
181 			dma_addr -= PAGE_SIZE;  in dma_update_trans()
182 			entry = dma_walk_cpu_trans(zdev->dma_table, dma_addr);  in dma_update_trans()
291 	dma_addr_t dma_addr;  in s390_dma_map_pages()  local
305 	dma_addr = zdev->start_dma + iommu_page_index * PAGE_SIZE;  in s390_dma_map_pages()
306 	if (dma_addr + size > zdev->end_dma) {  in s390_dma_map_pages()
314 	ret = dma_update_trans(zdev, pa, dma_addr, size, flags);  in s390_dma_map_pages()
319 	return dma_addr + (offset & ~PAGE_MASK);  in s390_dma_map_pages()
329 static void s390_dma_unmap_pages(struct device *dev, dma_addr_t dma_addr,  in s390_dma_unmap_pages()  argument
337 	npages = iommu_num_pages(dma_addr, size, PAGE_SIZE);  in s390_dma_unmap_pages()
338 	dma_addr = dma_addr & PAGE_MASK;  in s390_dma_unmap_pages()
339 	ret = dma_update_trans(zdev, 0, dma_addr, npages * PAGE_SIZE,  in s390_dma_unmap_pages()
343 		zpci_err_dma(ret, dma_addr);  in s390_dma_unmap_pages()
348 	iommu_page_index = (dma_addr - zdev->start_dma) >> PAGE_SHIFT;  in s390_dma_unmap_pages()