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
12 extern void debug_dma_map_page(struct device *dev, struct page *page,
13 size_t offset, size_t size,
14 int direction, dma_addr_t dma_addr);
15
16 extern void debug_dma_unmap_page(struct device *dev, dma_addr_t addr,
17 size_t size, int direction);
18
19 extern void debug_dma_map_sg(struct device *dev, struct scatterlist *sg,
20 int nents, int mapped_ents, int direction);
21
22 extern void debug_dma_unmap_sg(struct device *dev, struct scatterlist *sglist,
23 int nelems, int dir);
24
25 extern void debug_dma_alloc_coherent(struct device *dev, size_t size,
26 dma_addr_t dma_addr, void *virt);
27
28 extern void debug_dma_free_coherent(struct device *dev, size_t size,
29 void *virt, dma_addr_t addr);
30
31 extern void debug_dma_map_resource(struct device *dev, phys_addr_t addr,
32 size_t size, int direction,
33 dma_addr_t dma_addr);
34
35 extern void debug_dma_unmap_resource(struct device *dev, dma_addr_t dma_addr,
36 size_t size, int direction);
37
38 extern void debug_dma_sync_single_for_cpu(struct device *dev,
39 dma_addr_t dma_handle, size_t size,
40 int direction);
41
42 extern void debug_dma_sync_single_for_device(struct device *dev,
43 dma_addr_t dma_handle,
44 size_t size, int direction);
45
46 extern void debug_dma_sync_sg_for_cpu(struct device *dev,
47 struct scatterlist *sg,
48 int nelems, int direction);
49
50 extern void debug_dma_sync_sg_for_device(struct device *dev,
51 struct scatterlist *sg,
52 int nelems, int direction);
53 #else /* CONFIG_DMA_API_DEBUG */
debug_dma_map_page(struct device * dev,struct page * page,size_t offset,size_t size,int direction,dma_addr_t dma_addr)54 static inline void debug_dma_map_page(struct device *dev, struct page *page,
55 size_t offset, size_t size,
56 int direction, dma_addr_t dma_addr)
57 {
58 }
59
debug_dma_unmap_page(struct device * dev,dma_addr_t addr,size_t size,int direction)60 static inline void debug_dma_unmap_page(struct device *dev, dma_addr_t addr,
61 size_t size, int direction)
62 {
63 }
64
debug_dma_map_sg(struct device * dev,struct scatterlist * sg,int nents,int mapped_ents,int direction)65 static inline void debug_dma_map_sg(struct device *dev, struct scatterlist *sg,
66 int nents, int mapped_ents, int direction)
67 {
68 }
69
debug_dma_unmap_sg(struct device * dev,struct scatterlist * sglist,int nelems,int dir)70 static inline void debug_dma_unmap_sg(struct device *dev,
71 struct scatterlist *sglist,
72 int nelems, int dir)
73 {
74 }
75
debug_dma_alloc_coherent(struct device * dev,size_t size,dma_addr_t dma_addr,void * virt)76 static inline void debug_dma_alloc_coherent(struct device *dev, size_t size,
77 dma_addr_t dma_addr, void *virt)
78 {
79 }
80
debug_dma_free_coherent(struct device * dev,size_t size,void * virt,dma_addr_t addr)81 static inline void debug_dma_free_coherent(struct device *dev, size_t size,
82 void *virt, dma_addr_t addr)
83 {
84 }
85
debug_dma_map_resource(struct device * dev,phys_addr_t addr,size_t size,int direction,dma_addr_t dma_addr)86 static inline void debug_dma_map_resource(struct device *dev, phys_addr_t addr,
87 size_t size, int direction,
88 dma_addr_t dma_addr)
89 {
90 }
91
debug_dma_unmap_resource(struct device * dev,dma_addr_t dma_addr,size_t size,int direction)92 static inline void debug_dma_unmap_resource(struct device *dev,
93 dma_addr_t dma_addr, size_t size,
94 int direction)
95 {
96 }
97
debug_dma_sync_single_for_cpu(struct device * dev,dma_addr_t dma_handle,size_t size,int direction)98 static inline void debug_dma_sync_single_for_cpu(struct device *dev,
99 dma_addr_t dma_handle,
100 size_t size, int direction)
101 {
102 }
103
debug_dma_sync_single_for_device(struct device * dev,dma_addr_t dma_handle,size_t size,int direction)104 static inline void debug_dma_sync_single_for_device(struct device *dev,
105 dma_addr_t dma_handle,
106 size_t size, int direction)
107 {
108 }
109
debug_dma_sync_sg_for_cpu(struct device * dev,struct scatterlist * sg,int nelems,int direction)110 static inline void debug_dma_sync_sg_for_cpu(struct device *dev,
111 struct scatterlist *sg,
112 int nelems, int direction)
113 {
114 }
115
debug_dma_sync_sg_for_device(struct device * dev,struct scatterlist * sg,int nelems,int direction)116 static inline void debug_dma_sync_sg_for_device(struct device *dev,
117 struct scatterlist *sg,
118 int nelems, int direction)
119 {
120 }
121 #endif /* CONFIG_DMA_API_DEBUG */
122 #endif /* _KERNEL_DMA_DEBUG_H */
123
