| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * DMA-BUF sysfs statistics. |
| * |
| * Copyright (C) 2021 Google LLC. |
| */ |
| |
| #ifndef _DMA_BUF_SYSFS_STATS_H |
| #define _DMA_BUF_SYSFS_STATS_H |
| |
| #ifdef CONFIG_DMABUF_SYSFS_STATS |
| |
| int dma_buf_init_sysfs_statistics(void); |
| void dma_buf_uninit_sysfs_statistics(void); |
| |
| int dma_buf_stats_setup(struct dma_buf *dmabuf, struct file *file); |
| |
| void dma_buf_stats_teardown(struct dma_buf *dmabuf); |
| #else |
| |
| static inline int dma_buf_init_sysfs_statistics(void) |
| { |
| return 0; |
| } |
| |
| static inline void dma_buf_uninit_sysfs_statistics(void) {} |
| |
| static inline int dma_buf_stats_setup(struct dma_buf *dmabuf, struct file *file) |
| { |
| return 0; |
| } |
| |
| static inline void dma_buf_stats_teardown(struct dma_buf *dmabuf) {} |
| #endif |
| #endif // _DMA_BUF_SYSFS_STATS_H |