|  | /* SPDX-License-Identifier: GPL-2.0 */ | 
|  | #ifndef __LINUX_SWIOTLB_XEN_H | 
|  | #define __LINUX_SWIOTLB_XEN_H | 
|  |  | 
|  | #include <linux/swiotlb.h> | 
|  | #include <asm/xen/swiotlb-xen.h> | 
|  |  | 
|  | void xen_dma_sync_for_cpu(struct device *dev, dma_addr_t handle, | 
|  | size_t size, enum dma_data_direction dir); | 
|  | void xen_dma_sync_for_device(struct device *dev, dma_addr_t handle, | 
|  | size_t size, enum dma_data_direction dir); | 
|  |  | 
|  | int xen_swiotlb_init(void); | 
|  | void __init xen_swiotlb_init_early(void); | 
|  | extern const struct dma_map_ops xen_swiotlb_dma_ops; | 
|  |  | 
|  | #endif /* __LINUX_SWIOTLB_XEN_H */ |