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1// SPDX-License-Identifier: GPL-2.0-only
2
3#include "edac_module.h"
4
5static struct dentry *edac_debugfs;
6
7void __init edac_debugfs_init(void)
8{
9 edac_debugfs = debugfs_create_dir("edac", NULL);
10}
11
12void edac_debugfs_exit(void)
13{
14 debugfs_remove_recursive(edac_debugfs);
15}
16
17void edac_create_debugfs_nodes(struct mem_ctl_info *mci)
18{
19 mci->debugfs = debugfs_create_dir(mci->dev.kobj.name, edac_debugfs);
20}
21
22/* Create a toplevel dir under EDAC's debugfs hierarchy */
23struct dentry *edac_debugfs_create_dir(const char *dirname)
24{
25 if (!edac_debugfs)
26 return NULL;
27
28 return debugfs_create_dir(dirname, edac_debugfs);
29}
30EXPORT_SYMBOL_GPL(edac_debugfs_create_dir);
31
32/* Create a toplevel dir under EDAC's debugfs hierarchy with parent @parent */
33struct dentry *
34edac_debugfs_create_dir_at(const char *dirname, struct dentry *parent)
35{
36 return debugfs_create_dir(dirname, parent);
37}
38EXPORT_SYMBOL_GPL(edac_debugfs_create_dir_at);
39
40/*
41 * Create a file under EDAC's hierarchy or a sub-hierarchy:
42 *
43 * @name: file name
44 * @mode: file permissions
45 * @parent: parent dentry. If NULL, it becomes the toplevel EDAC dir
46 * @data: private data of caller
47 * @fops: file operations of this file
48 */
49struct dentry *
50edac_debugfs_create_file(const char *name, umode_t mode, struct dentry *parent,
51 void *data, const struct file_operations *fops)
52{
53 if (!parent)
54 parent = edac_debugfs;
55
56 return debugfs_create_file(name, mode, parent, data, fops);
57}
58EXPORT_SYMBOL_GPL(edac_debugfs_create_file);
59
60/* Wrapper for debugfs_create_x8() */
61void edac_debugfs_create_x8(const char *name, umode_t mode,
62 struct dentry *parent, u8 *value)
63{
64 if (!parent)
65 parent = edac_debugfs;
66
67 debugfs_create_x8(name, mode, parent, value);
68}
69EXPORT_SYMBOL_GPL(edac_debugfs_create_x8);
70
71/* Wrapper for debugfs_create_x16() */
72void edac_debugfs_create_x16(const char *name, umode_t mode,
73 struct dentry *parent, u16 *value)
74{
75 if (!parent)
76 parent = edac_debugfs;
77
78 debugfs_create_x16(name, mode, parent, value);
79}
80EXPORT_SYMBOL_GPL(edac_debugfs_create_x16);
81
82/* Wrapper for debugfs_create_x32() */
83void edac_debugfs_create_x32(const char *name, umode_t mode,
84 struct dentry *parent, u32 *value)
85{
86 if (!parent)
87 parent = edac_debugfs;
88
89 debugfs_create_x32(name, mode, parent, value);
90}
91EXPORT_SYMBOL_GPL(edac_debugfs_create_x32);