1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * DMA-BUF sysfs statistics.
 4 *
 5 * Copyright (C) 2021 Google LLC.
 6 */
 7
 8#ifndef _DMA_BUF_SYSFS_STATS_H
 9#define _DMA_BUF_SYSFS_STATS_H
10
11#ifdef CONFIG_DMABUF_SYSFS_STATS
12
13int dma_buf_init_sysfs_statistics(void);
14void dma_buf_uninit_sysfs_statistics(void);
15
16int dma_buf_stats_setup(struct dma_buf *dmabuf, struct file *file);
17
18void dma_buf_stats_teardown(struct dma_buf *dmabuf);
19#else
20
21static inline int dma_buf_init_sysfs_statistics(void)
22{
23	return 0;
24}
25
26static inline void dma_buf_uninit_sysfs_statistics(void) {}
27
28static inline int dma_buf_stats_setup(struct dma_buf *dmabuf, struct file *file)
29{
30	return 0;
31}
32
33static inline void dma_buf_stats_teardown(struct dma_buf *dmabuf) {}
34#endif
35#endif // _DMA_BUF_SYSFS_STATS_H