183 static inline int pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg,  in pci_map_sg()  argument
191 	for (i = 0; i < nents; i++, sg++) {  in pci_map_sg()
192 		if (sg->address && sg->page)  in pci_map_sg()
194 		else if (!sg->address && !sg->page)  in pci_map_sg()
197 		if (sg->address) {  in pci_map_sg()
198 			dma_cache_wback_inv((unsigned long)sg->address,  in pci_map_sg()
199 			                    sg->length);  in pci_map_sg()
200 			sg->dma_address = bus_to_baddr(hwdev->bus, __pa(sg->address));  in pci_map_sg()
202 			sg->dma_address = page_to_bus(sg->page) +  in pci_map_sg()
203 			                  sg->offset;  in pci_map_sg()
205 				(page_address(sg->page) + sg->offset),  in pci_map_sg()
206 				sg->length);  in pci_map_sg()
218 static inline void pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg,  in pci_unmap_sg()  argument
229 	for (i = 0; i < nents; i++, sg++) {  in pci_unmap_sg()
230 		if (sg->address && sg->page)  in pci_unmap_sg()
232 		else if (!sg->address && !sg->page)  in pci_unmap_sg()
235 		if (!sg->address)  in pci_unmap_sg()
237 		dma_cache_wback_inv((unsigned long)sg->address, sg->length);  in pci_unmap_sg()
272 				   struct scatterlist *sg,  in pci_dma_sync_sg()  argument
284 	for (i = 0; i < nelems; i++, sg++)  in pci_dma_sync_sg()
285 		dma_cache_wback_inv((unsigned long)sg->address, sg->length);  in pci_dma_sync_sg()
359 #define sg_dma_address(sg)	((sg)->dma_address)  argument
360 #define sg_dma_len(sg)		((sg)->length)  argument