Lines Matching refs:dma_addr
101 unsigned long *dma_walk_cpu_trans(unsigned long *rto, dma_addr_t dma_addr) in dma_walk_cpu_trans() argument
106 rtx = calc_rtx(dma_addr); in dma_walk_cpu_trans()
111 sx = calc_sx(dma_addr); in dma_walk_cpu_trans()
116 px = calc_px(dma_addr); in dma_walk_cpu_trans()
136 dma_addr_t dma_addr, size_t size, int flags) in __dma_update_trans() argument
154 entry = dma_walk_cpu_trans(zdev->dma_table, dma_addr); in __dma_update_trans()
161 dma_addr += PAGE_SIZE; in __dma_update_trans()
169 dma_addr -= PAGE_SIZE; in __dma_update_trans()
170 entry = dma_walk_cpu_trans(zdev->dma_table, dma_addr); in __dma_update_trans()
181 static int __dma_purge_tlb(struct zpci_dev *zdev, dma_addr_t dma_addr, in __dma_purge_tlb() argument
202 ret = zpci_refresh_trans((u64) zdev->fh << 32, dma_addr, in __dma_purge_tlb()
221 dma_addr_t dma_addr, size_t size, int flags) in dma_update_trans() argument
225 rc = __dma_update_trans(zdev, pa, dma_addr, size, flags); in dma_update_trans()
229 rc = __dma_purge_tlb(zdev, dma_addr, size, flags); in dma_update_trans()
231 __dma_update_trans(zdev, pa, dma_addr, size, ZPCI_PTE_INVALID); in dma_update_trans()
305 static void dma_free_address(struct device *dev, dma_addr_t dma_addr, int size) in dma_free_address() argument
310 offset = (dma_addr - zdev->start_dma) >> PAGE_SHIFT; in dma_free_address()
344 dma_addr_t dma_addr; in s390_dma_map_pages() local
349 dma_addr = dma_alloc_address(dev, nr_pages); in s390_dma_map_pages()
350 if (dma_addr == DMA_MAPPING_ERROR) { in s390_dma_map_pages()
361 ret = dma_update_trans(zdev, pa, dma_addr, size, flags); in s390_dma_map_pages()
366 return dma_addr + (offset & ~PAGE_MASK); in s390_dma_map_pages()
369 dma_free_address(dev, dma_addr, nr_pages); in s390_dma_map_pages()
376 static void s390_dma_unmap_pages(struct device *dev, dma_addr_t dma_addr, in s390_dma_unmap_pages() argument
383 npages = iommu_num_pages(dma_addr, size, PAGE_SIZE); in s390_dma_unmap_pages()
384 dma_addr = dma_addr & PAGE_MASK; in s390_dma_unmap_pages()
385 ret = dma_update_trans(zdev, 0, dma_addr, npages * PAGE_SIZE, in s390_dma_unmap_pages()
389 zpci_err_dma(ret, dma_addr); in s390_dma_unmap_pages()
394 dma_free_address(dev, dma_addr, npages); in s390_dma_unmap_pages()
443 dma_addr_t dma_addr_base, dma_addr; in __s390_dma_map_sg() local
453 dma_addr = dma_addr_base; in __s390_dma_map_sg()
457 for (s = sg; dma_addr < dma_addr_base + size; s = sg_next(s)) { in __s390_dma_map_sg()
459 ret = __dma_update_trans(zdev, pa, dma_addr, in __s390_dma_map_sg()
464 dma_addr += s->offset + s->length; in __s390_dma_map_sg()
476 dma_update_trans(zdev, 0, dma_addr_base, dma_addr - dma_addr_base, in __s390_dma_map_sg()