debug.h

  1/* SPDX-License-Identifier: GPL-2.0-only */
  2/*
  3 * Copyright (C) 2008 Advanced Micro Devices, Inc.
  4 *
  5 * Author: Joerg Roedel <joerg.roedel@amd.com>
  6 */
  7
  8#ifndef _KERNEL_DMA_DEBUG_H
  9#define _KERNEL_DMA_DEBUG_H
 10
 11#ifdef CONFIG_DMA_API_DEBUG
 12extern void debug_dma_map_phys(struct device *dev, phys_addr_t phys,
 13			       size_t size, int direction, dma_addr_t dma_addr,
 14			       unsigned long attrs);
 15
 16extern void debug_dma_unmap_phys(struct device *dev, dma_addr_t addr,
 17				 size_t size, int direction);
 18
 19extern void debug_dma_map_sg(struct device *dev, struct scatterlist *sg,
 20			     int nents, int mapped_ents, int direction,
 21			     unsigned long attrs);
 22
 23extern void debug_dma_unmap_sg(struct device *dev, struct scatterlist *sglist,
 24			       int nelems, int dir);
 25
 26extern void debug_dma_alloc_coherent(struct device *dev, size_t size,
 27				     dma_addr_t dma_addr, void *virt,
 28				     unsigned long attrs);
 29
 30extern void debug_dma_free_coherent(struct device *dev, size_t size,
 31				    void *virt, dma_addr_t addr);
 32
 33extern void debug_dma_sync_single_for_cpu(struct device *dev,
 34					  dma_addr_t dma_handle, size_t size,
 35					  int direction);
 36
 37extern void debug_dma_sync_single_for_device(struct device *dev,
 38					     dma_addr_t dma_handle,
 39					     size_t size, int direction);
 40
 41extern void debug_dma_sync_sg_for_cpu(struct device *dev,
 42				      struct scatterlist *sg,
 43				      int nelems, int direction);
 44
 45extern void debug_dma_sync_sg_for_device(struct device *dev,
 46					 struct scatterlist *sg,
 47					 int nelems, int direction);
 48extern void debug_dma_alloc_pages(struct device *dev, struct page *page,
 49				  size_t size, int direction,
 50				  dma_addr_t dma_addr,
 51				  unsigned long attrs);
 52extern void debug_dma_free_pages(struct device *dev, struct page *page,
 53				 size_t size, int direction,
 54				 dma_addr_t dma_addr);
 55#else /* CONFIG_DMA_API_DEBUG */
 56static inline void debug_dma_map_phys(struct device *dev, phys_addr_t phys,
 57				      size_t size, int direction,
 58				      dma_addr_t dma_addr, unsigned long attrs)
 59{
 60}
 61
 62static inline void debug_dma_unmap_phys(struct device *dev, dma_addr_t addr,
 63					size_t size, int direction)
 64{
 65}
 66
 67static inline void debug_dma_map_sg(struct device *dev, struct scatterlist *sg,
 68				    int nents, int mapped_ents, int direction,
 69				    unsigned long attrs)
 70{
 71}
 72
 73static inline void debug_dma_unmap_sg(struct device *dev,
 74				      struct scatterlist *sglist,
 75				      int nelems, int dir)
 76{
 77}
 78
 79static inline void debug_dma_alloc_coherent(struct device *dev, size_t size,
 80					    dma_addr_t dma_addr, void *virt,
 81					    unsigned long attrs)
 82{
 83}
 84
 85static inline void debug_dma_free_coherent(struct device *dev, size_t size,
 86					   void *virt, dma_addr_t addr)
 87{
 88}
 89
 90static inline void debug_dma_sync_single_for_cpu(struct device *dev,
 91						 dma_addr_t dma_handle,
 92						 size_t size, int direction)
 93{
 94}
 95
 96static inline void debug_dma_sync_single_for_device(struct device *dev,
 97						    dma_addr_t dma_handle,
 98						    size_t size, int direction)
 99{
100}
101
102static inline void debug_dma_sync_sg_for_cpu(struct device *dev,
103					     struct scatterlist *sg,
104					     int nelems, int direction)
105{
106}
107
108static inline void debug_dma_sync_sg_for_device(struct device *dev,
109						struct scatterlist *sg,
110						int nelems, int direction)
111{
112}
113
114static inline void debug_dma_alloc_pages(struct device *dev, struct page *page,
115					 size_t size, int direction,
116					 dma_addr_t dma_addr,
117					 unsigned long attrs)
118{
119}
120
121static inline void debug_dma_free_pages(struct device *dev, struct page *page,
122					size_t size, int direction,
123					dma_addr_t dma_addr)
124{
125}
126#endif /* CONFIG_DMA_API_DEBUG */
127#endif /* _KERNEL_DMA_DEBUG_H */