178172Sru/* SPDX-License-Identifier: GPL-2.0-only */
278172Sru/*
378172Sru * DMA-BUF sysfs statistics.
478172Sru *
578172Sru * Copyright (C) 2021 Google LLC.
678172Sru */
778172Sru
878172Sru#ifndef _DMA_BUF_SYSFS_STATS_H
978172Sru#define _DMA_BUF_SYSFS_STATS_H
1078172Sru
1178172Sru#ifdef CONFIG_DMABUF_SYSFS_STATS
1278172Sru
1378172Sruint dma_buf_init_sysfs_statistics(void);
1478172Sruvoid dma_buf_uninit_sysfs_statistics(void);
1578172Sru
1678172Sruint dma_buf_stats_setup(struct dma_buf *dmabuf, struct file *file);
1778172Sru
1878172Sruvoid dma_buf_stats_teardown(struct dma_buf *dmabuf);
1978172Sru#else
2078172Sru
2178172Srustatic inline int dma_buf_init_sysfs_statistics(void)
2278172Sru{
2378172Sru	return 0;
2478172Sru}
2578172Sru
2678172Srustatic inline void dma_buf_uninit_sysfs_statistics(void) {}
2778172Sru
2878172Srustatic inline int dma_buf_stats_setup(struct dma_buf *dmabuf, struct file *file)
2978172Sru{
30133724Sstefanf	return 0;
3178172Sru}
3278172Sru
33133725Sstefanfstatic inline void dma_buf_stats_teardown(struct dma_buf *dmabuf) {}
34133724Sstefanf#endif
35133725Sstefanf#endif // _DMA_BUF_SYSFS_STATS_H
36133724Sstefanf