1/*
2 * tracefs.h - a pseudo file system for activating tracing
3 *
4 * Based on debugfs by: 2004 Greg Kroah-Hartman <greg@kroah.com>
5 *
6 * Copyright (C) 2014 Red Hat Inc, author: Steven Rostedt <srostedt@redhat.com>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License version
10 * 2 as published by the Free Software Foundation.
11 *
12 * tracefs is the file system that is used by the tracing infrastructure.
13 *
14 */
15
16#ifndef _TRACEFS_H_
17#define _TRACEFS_H_
18
19#include <linux/fs.h>
20#include <linux/seq_file.h>
21
22#include <linux/types.h>
23
24struct file_operations;
25
26#ifdef CONFIG_TRACING
27
28struct dentry *tracefs_create_file(const char *name, umode_t mode,
29 struct dentry *parent, void *data,
30 const struct file_operations *fops);
31
32struct dentry *tracefs_create_dir(const char *name, struct dentry *parent);
33
34void tracefs_remove(struct dentry *dentry);
35void tracefs_remove_recursive(struct dentry *dentry);
36
37struct dentry *tracefs_create_instance_dir(const char *name, struct dentry *parent,
38 int (*mkdir)(const char *name),
39 int (*rmdir)(const char *name));
40
41bool tracefs_initialized(void);
42
43#endif /* CONFIG_TRACING */
44
45#endif
46