11 void __xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle,
15 		dma_addr_t handle, size_t size, enum dma_data_direction dir);
18 		dma_addr_t handle, size_t size, enum dma_data_direction dir);
49 static inline void xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle,  in xen_dma_unmap_page()  argument
53 	unsigned long pfn = PFN_DOWN(handle);  in xen_dma_unmap_page()
60 			__generic_dma_ops(hwdev)->unmap_page(hwdev, handle, size, dir, attrs);  in xen_dma_unmap_page()
62 		__xen_dma_unmap_page(hwdev, handle, size, dir, attrs);  in xen_dma_unmap_page()
66 		dma_addr_t handle, size_t size, enum dma_data_direction dir)  in xen_dma_sync_single_for_cpu()  argument
68 	unsigned long pfn = PFN_DOWN(handle);  in xen_dma_sync_single_for_cpu()
71 			__generic_dma_ops(hwdev)->sync_single_for_cpu(hwdev, handle, size, dir);  in xen_dma_sync_single_for_cpu()
73 		__xen_dma_sync_single_for_cpu(hwdev, handle, size, dir);  in xen_dma_sync_single_for_cpu()
77 		dma_addr_t handle, size_t size, enum dma_data_direction dir)  in xen_dma_sync_single_for_device()  argument
79 	unsigned long pfn = PFN_DOWN(handle);  in xen_dma_sync_single_for_device()
82 			__generic_dma_ops(hwdev)->sync_single_for_device(hwdev, handle, size, dir);  in xen_dma_sync_single_for_device()
84 		__xen_dma_sync_single_for_device(hwdev, handle, size, dir);  in xen_dma_sync_single_for_device()