f62bc980e6
Impact: add debug callbacks for dma_{un}map_[page|single]
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
/*
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* Copyright (C) 2008 Advanced Micro Devices, Inc.
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*
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* Author: Joerg Roedel <joerg.roedel@amd.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __DMA_DEBUG_H
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#define __DMA_DEBUG_H
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#include <linux/types.h>
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struct device;
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#ifdef CONFIG_DMA_API_DEBUG
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extern void dma_debug_init(u32 num_entries);
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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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bool map_single);
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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, bool map_single);
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#else /* CONFIG_DMA_API_DEBUG */
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static inline void dma_debug_init(u32 num_entries)
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{
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}
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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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bool map_single)
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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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bool map_single)
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{
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}
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#endif /* CONFIG_DMA_API_DEBUG */
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#endif /* __DMA_DEBUG_H */
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