/*
 * Copyright(C) 2018 Samsung Electronics Co., Ltd.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef _DMA_BUF_TRACE_H_
#define _DMA_BUF_TRACE_H_

#include <linux/slab.h>
#include <linux/uaccess.h>
#include <linux/dma-buf.h>
#include <linux/miscdevice.h>
#include <linux/device.h>
#include <linux/mm_types.h>
#include <linux/types.h>
#include <linux/miscdevice.h>
#include <linux/spinlock.h>
#include <linux/types.h>

/* dma_buf_debugfs_dir is defined in dma-buf.c */
struct dentry;
extern struct dentry *dma_buf_debugfs_dir;

#ifdef CONFIG_DMABUF_TRACE
int dmabuf_trace_alloc(struct dma_buf *dmabuf);
void dmabuf_trace_free(struct dma_buf *dmabuf);
int dmabuf_trace_track_buffer(struct dma_buf *dmabuf);
int dmabuf_trace_untrack_buffer(struct dma_buf *dmabuf);
#else
static inline int dmabuf_trace_alloc(struct dma_buf *dmabuf)
{
	return -EINVAL;
}
static inline void dmabuf_trace_free(struct dma_buf *dmabuf)
{
}
static inline int dmabuf_trace_track_buffer(struct dma_buf *dmabuf)
{
	return -ENOTTY;
}
static inline int dmabuf_trace_untrack_bufer(struct dma_buf *dmabuf)
{
	return -ENOTTY;
}
#endif

#endif