/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
 */

#ifndef _DMA_BUF_REF_H
#define _DMA_BUF_REF_H

#include <linux/errno.h>

struct msm_dma_buf;
struct seq_file;

#ifdef CONFIG_DEBUG_DMA_BUF_REF
void dma_buf_ref_init(struct msm_dma_buf *b);
void dma_buf_ref_destroy(struct msm_dma_buf *b);
void dma_buf_ref_mod(struct msm_dma_buf *b, int nr);
int dma_buf_ref_show(struct seq_file *s, struct msm_dma_buf *msm_dma_buf);

#else
static inline void dma_buf_ref_init(struct msm_dma_buf *b) {}
static inline void dma_buf_ref_destroy(struct msm_dma_buf *b) {}
static inline void dma_buf_ref_mod(struct msm_dma_buf *b, int nr) {}
static inline int dma_buf_ref_show(struct seq_file *s,
				   struct msm_dma_buf *msm_dma_buf)
{
	return -ENOMEM;
}
#endif


#endif /* _DMA_BUF_REF_H */