59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
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/*
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* Copyright(C) 2018 Samsung Electronics Co., Ltd.
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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 by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _DMA_BUF_TRACE_H_
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#define _DMA_BUF_TRACE_H_
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#include <linux/slab.h>
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#include <linux/uaccess.h>
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#include <linux/dma-buf.h>
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#include <linux/miscdevice.h>
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#include <linux/device.h>
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#include <linux/mm_types.h>
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#include <linux/types.h>
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#include <linux/miscdevice.h>
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#include <linux/spinlock.h>
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#include <linux/types.h>
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/* dma_buf_debugfs_dir is defined in dma-buf.c */
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struct dentry;
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extern struct dentry *dma_buf_debugfs_dir;
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#ifdef CONFIG_DMABUF_TRACE
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int dmabuf_trace_alloc(struct dma_buf *dmabuf);
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void dmabuf_trace_free(struct dma_buf *dmabuf);
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int dmabuf_trace_track_buffer(struct dma_buf *dmabuf);
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int dmabuf_trace_untrack_buffer(struct dma_buf *dmabuf);
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#else
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static inline int dmabuf_trace_alloc(struct dma_buf *dmabuf)
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{
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return -EINVAL;
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}
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static inline void dmabuf_trace_free(struct dma_buf *dmabuf)
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{
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}
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static inline int dmabuf_trace_track_buffer(struct dma_buf *dmabuf)
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{
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return -ENOTTY;
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}
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static inline int dmabuf_trace_untrack_bufer(struct dma_buf *dmabuf)
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{
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return -ENOTTY;
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}
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#endif
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#endif
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