127 static inline int range_straddles_page_boundary(phys_addr_t p, size_t size)  in range_straddles_page_boundary()  argument
132 	if (offset + size <= XEN_PAGE_SIZE)  in range_straddles_page_boundary()
134 	if (check_pages_physically_contiguous(xen_pfn, offset, size))  in range_straddles_page_boundary()
159 xen_swiotlb_fixup(void *buf, size_t size, unsigned long nslabs)  in xen_swiotlb_fixup()  argument
295 xen_swiotlb_alloc_coherent(struct device *hwdev, size_t size,  in xen_swiotlb_alloc_coherent()  argument
300 	int order = get_order(size);  in xen_swiotlb_alloc_coherent()
318 	ret = xen_alloc_coherent_pages(hwdev, size, dma_handle, flags, attrs);  in xen_swiotlb_alloc_coherent()
332 	if (((dev_addr + size - 1 <= dma_mask)) &&  in xen_swiotlb_alloc_coherent()
333 	    !range_straddles_page_boundary(phys, size))  in xen_swiotlb_alloc_coherent()
338 			xen_free_coherent_pages(hwdev, size, ret, (dma_addr_t)phys, attrs);  in xen_swiotlb_alloc_coherent()
342 	memset(ret, 0, size);  in xen_swiotlb_alloc_coherent()
348 xen_swiotlb_free_coherent(struct device *hwdev, size_t size, void *vaddr,  in xen_swiotlb_free_coherent()  argument
351 	int order = get_order(size);  in xen_swiotlb_free_coherent()
362 	if (((dev_addr + size - 1 > dma_mask)) ||  in xen_swiotlb_free_coherent()
363 	    range_straddles_page_boundary(phys, size))  in xen_swiotlb_free_coherent()
366 	xen_free_coherent_pages(hwdev, size, vaddr, (dma_addr_t)phys, attrs);  in xen_swiotlb_free_coherent()
379 				unsigned long offset, size_t size,  in xen_swiotlb_map_page()  argument
392 	if (dma_capable(dev, dev_addr, size) &&  in xen_swiotlb_map_page()
393 	    !range_straddles_page_boundary(phys, size) &&  in xen_swiotlb_map_page()
399 		xen_dma_map_page(dev, page, dev_addr, offset, size, dir, attrs);  in xen_swiotlb_map_page()
406 	trace_swiotlb_bounced(dev, dev_addr, size, swiotlb_force);  in xen_swiotlb_map_page()
408 	map = swiotlb_tbl_map_single(dev, start_dma_addr, phys, size, dir);  in xen_swiotlb_map_page()
413 					dev_addr, map & ~PAGE_MASK, size, dir, attrs);  in xen_swiotlb_map_page()
419 	if (!dma_capable(dev, dev_addr, size)) {  in xen_swiotlb_map_page()
420 		swiotlb_tbl_unmap_single(dev, map, size, dir);  in xen_swiotlb_map_page()
436 			     size_t size, enum dma_data_direction dir,  in xen_unmap_single()  argument
443 	xen_dma_unmap_page(hwdev, dev_addr, size, dir, attrs);  in xen_unmap_single()
447 		swiotlb_tbl_unmap_single(hwdev, paddr, size, dir);  in xen_unmap_single()
460 	dma_mark_clean(phys_to_virt(paddr), size);  in xen_unmap_single()
464 			    size_t size, enum dma_data_direction dir,  in xen_swiotlb_unmap_page()  argument
467 	xen_unmap_single(hwdev, dev_addr, size, dir, attrs);  in xen_swiotlb_unmap_page()
483 			size_t size, enum dma_data_direction dir,  in xen_swiotlb_sync_single()  argument
491 		xen_dma_sync_single_for_cpu(hwdev, dev_addr, size, dir);  in xen_swiotlb_sync_single()
495 		swiotlb_tbl_sync_single(hwdev, paddr, size, dir, target);  in xen_swiotlb_sync_single()
498 		xen_dma_sync_single_for_device(hwdev, dev_addr, size, dir);  in xen_swiotlb_sync_single()
503 	dma_mark_clean(phys_to_virt(paddr), size);  in xen_swiotlb_sync_single()
508 				size_t size, enum dma_data_direction dir)  in xen_swiotlb_sync_single_for_cpu()  argument
510 	xen_swiotlb_sync_single(hwdev, dev_addr, size, dir, SYNC_FOR_CPU);  in xen_swiotlb_sync_single_for_cpu()
516 				   size_t size, enum dma_data_direction dir)  in xen_swiotlb_sync_single_for_device()  argument
518 	xen_swiotlb_sync_single(hwdev, dev_addr, size, dir, SYNC_FOR_DEVICE);  in xen_swiotlb_sync_single_for_device()