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36 lines
1.1 KiB
36 lines
1.1 KiB
/* Copyright (c) 2018, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published 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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#ifndef _DMA_BUF_REF_H
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#define _DMA_BUF_REF_H
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struct dma_buf;
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struct seq_file;
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#ifdef CONFIG_DEBUG_DMA_BUF_REF
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void dma_buf_ref_init(struct dma_buf *b);
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void dma_buf_ref_destroy(struct dma_buf *b);
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void dma_buf_ref_mod(struct dma_buf *b, int nr);
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int dma_buf_ref_show(struct seq_file *s, struct dma_buf *dmabuf);
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#else
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static inline void dma_buf_ref_init(struct dma_buf *b) {}
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static inline void dma_buf_ref_destroy(struct dma_buf *b) {}
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static inline void dma_buf_ref_mod(struct dma_buf *b, int nr) {}
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static inline int dma_buf_ref_show(struct seq_file *s, struct dma_buf *dmabuf)
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{
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return -ENOMEM;
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}
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#endif
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#endif /* _DMA_BUF_REF_H */
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