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