/* SPDX-License-Identifier: GPL-2.0-only *//* * Copyright (C) 2008 Advanced Micro Devices, Inc. * * Author: Joerg Roedel <joerg.roedel@amd.com> */ #ifndef _KERNEL_DMA_DEBUG_H#define _KERNEL_DMA_DEBUG_H #ifdef CONFIG_DMA_API_DEBUGextern void debug_dma_map_page(struct device *dev, struct page *page,			       size_t offset, size_t size,			       int direction, dma_addr_t dma_addr,			       unsigned long attrs); extern void debug_dma_unmap_page(struct device *dev, dma_addr_t addr,				 size_t size, int direction); extern void debug_dma_map_sg(struct device *dev, struct scatterlist *sg,			     int nents, int mapped_ents, int direction,			     unsigned long attrs); extern void debug_dma_unmap_sg(struct device *dev, struct scatterlist *sglist,			       int nelems, int dir); extern void debug_dma_alloc_coherent(struct device *dev, size_t size,				     dma_addr_t dma_addr, void *virt,				     unsigned long attrs); extern void debug_dma_free_coherent(struct device *dev, size_t size,				    void *virt, dma_addr_t addr); extern void debug_dma_map_resource(struct device *dev, phys_addr_t addr,				   size_t size, int direction,				   dma_addr_t dma_addr,				   unsigned long attrs); extern void debug_dma_unmap_resource(struct device *dev, dma_addr_t dma_addr,				     size_t size, int direction); extern void debug_dma_sync_single_for_cpu(struct device *dev,					  dma_addr_t dma_handle, size_t size,					  int direction); extern void debug_dma_sync_single_for_device(struct device *dev,					     dma_addr_t dma_handle,					     size_t size, int direction); extern void debug_dma_sync_sg_for_cpu(struct device *dev,				      struct scatterlist *sg,				      int nelems, int direction); extern void debug_dma_sync_sg_for_device(struct device *dev,					 struct scatterlist *sg,					 int nelems, int direction);#else /* CONFIG_DMA_API_DEBUG */static inline void debug_dma_map_page(struct device *dev, struct page *page,				      size_t offset, size_t size,				      int direction, dma_addr_t dma_addr,				      unsigned long attrs){} static inline void debug_dma_unmap_page(struct device *dev, dma_addr_t addr,					size_t size, int direction){} static inline void debug_dma_map_sg(struct device *dev, struct scatterlist *sg,				    int nents, int mapped_ents, int direction,				    unsigned long attrs){} static inline void debug_dma_unmap_sg(struct device *dev,				      struct scatterlist *sglist,				      int nelems, int dir){} static inline void debug_dma_alloc_coherent(struct device *dev, size_t size,					    dma_addr_t dma_addr, void *virt,					    unsigned long attrs){} static inline void debug_dma_free_coherent(struct device *dev, size_t size,					   void *virt, dma_addr_t addr){} static inline void debug_dma_map_resource(struct device *dev, phys_addr_t addr,					  size_t size, int direction,					  dma_addr_t dma_addr,					  unsigned long attrs){} static inline void debug_dma_unmap_resource(struct device *dev,					    dma_addr_t dma_addr, size_t size,					    int direction){} static inline void debug_dma_sync_single_for_cpu(struct device *dev,						 dma_addr_t dma_handle,						 size_t size, int direction){} static inline void debug_dma_sync_single_for_device(struct device *dev,						    dma_addr_t dma_handle,						    size_t size, int direction){} static inline void debug_dma_sync_sg_for_cpu(struct device *dev,					     struct scatterlist *sg,					     int nelems, int direction){} static inline void debug_dma_sync_sg_for_device(struct device *dev,						struct scatterlist *sg,						int nelems, int direction){}#endif /* CONFIG_DMA_API_DEBUG */#endif /* _KERNEL_DMA_DEBUG_H */