| /* |
| * 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 0; |
| } |
| static inline void dmabuf_trace_free(struct dma_buf *dmabuf) |
| { |
| } |
| static inline int dmabuf_trace_track_buffer(struct dma_buf *dmabuf) |
| { |
| return 0; |
| } |
| static inline int dmabuf_trace_untrack_buffer(struct dma_buf *dmabuf) |
| { |
| return 0; |
| } |
| #endif |
| |
| #endif |