83 static inline dma_addr_t xen_phys_to_bus(phys_addr_t paddr)  in xen_phys_to_bus()  argument
85 	unsigned long mfn = pfn_to_mfn(PFN_DOWN(paddr));  in xen_phys_to_bus()
88 	dma |= paddr & ~PAGE_MASK;  in xen_phys_to_bus()
97 	phys_addr_t paddr = dma;  in xen_bus_to_phys()  local
99 	paddr |= baddr & ~PAGE_MASK;  in xen_bus_to_phys()
101 	return paddr;  in xen_bus_to_phys()
143 	phys_addr_t paddr;  in is_xen_swiotlb_buffer()  local
150 		paddr = PFN_PHYS(pfn);  in is_xen_swiotlb_buffer()
151 		return paddr >= virt_to_phys(xen_io_tlb_start) &&  in is_xen_swiotlb_buffer()
152 		       paddr < virt_to_phys(xen_io_tlb_end);  in is_xen_swiotlb_buffer()
446 	phys_addr_t paddr = xen_bus_to_phys(dev_addr);  in xen_unmap_single()  local
454 		swiotlb_tbl_unmap_single(hwdev, paddr, size, dir);  in xen_unmap_single()
467 	dma_mark_clean(phys_to_virt(paddr), size);  in xen_unmap_single()
493 	phys_addr_t paddr = xen_bus_to_phys(dev_addr);  in xen_swiotlb_sync_single()  local
502 		swiotlb_tbl_sync_single(hwdev, paddr, size, dir, target);  in xen_swiotlb_sync_single()
510 	dma_mark_clean(phys_to_virt(paddr), size);  in xen_swiotlb_sync_single()
556 		phys_addr_t paddr = sg_phys(sg);  in xen_swiotlb_map_sg_attrs()  local
557 		dma_addr_t dev_addr = xen_phys_to_bus(paddr);  in xen_swiotlb_map_sg_attrs()
560 		    xen_arch_need_swiotlb(hwdev, PFN_DOWN(paddr), PFN_DOWN(dev_addr)) ||  in xen_swiotlb_map_sg_attrs()
562 		    range_straddles_page_boundary(paddr, sg->length)) {  in xen_swiotlb_map_sg_attrs()
588 			xen_dma_map_page(hwdev, pfn_to_page(paddr >> PAGE_SHIFT),  in xen_swiotlb_map_sg_attrs()
590 						paddr & ~PAGE_MASK,  in xen_swiotlb_map_sg_attrs()