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);
60 static inline void xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle,  in xen_dma_unmap_page()  argument
64 	unsigned long pfn = PFN_DOWN(handle);  in xen_dma_unmap_page()
75 			__generic_dma_ops(hwdev)->unmap_page(hwdev, handle, size, dir, attrs);  in xen_dma_unmap_page()
77 		__xen_dma_unmap_page(hwdev, handle, size, dir, attrs);  in xen_dma_unmap_page()
81 		dma_addr_t handle, size_t size, enum dma_data_direction dir)  in xen_dma_sync_single_for_cpu()  argument
83 	unsigned long pfn = PFN_DOWN(handle);  in xen_dma_sync_single_for_cpu()
86 			__generic_dma_ops(hwdev)->sync_single_for_cpu(hwdev, handle, size, dir);  in xen_dma_sync_single_for_cpu()
88 		__xen_dma_sync_single_for_cpu(hwdev, handle, size, dir);  in xen_dma_sync_single_for_cpu()
92 		dma_addr_t handle, size_t size, enum dma_data_direction dir)  in xen_dma_sync_single_for_device()  argument
94 	unsigned long pfn = PFN_DOWN(handle);  in xen_dma_sync_single_for_device()
97 			__generic_dma_ops(hwdev)->sync_single_for_device(hwdev, handle, size, dir);  in xen_dma_sync_single_for_device()
99 		__xen_dma_sync_single_for_device(hwdev, handle, size, dir);  in xen_dma_sync_single_for_device()