1 // SPDX-License-Identifier: GPL-2.0-only
2
3 #include "edac_module.h"
4
5 static struct dentry *edac_debugfs;
6
edac_debugfs_init(void)7 void __init edac_debugfs_init(void)
8 {
9 edac_debugfs = debugfs_create_dir("edac", NULL);
10 }
11
edac_debugfs_exit(void)12 void edac_debugfs_exit(void)
13 {
14 debugfs_remove_recursive(edac_debugfs);
15 }
16
edac_create_debugfs_nodes(struct mem_ctl_info * mci)17 void 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 */
edac_debugfs_create_dir(const char * dirname)23 struct 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 }
30 EXPORT_SYMBOL_GPL(edac_debugfs_create_dir);
31
32 /* Create a toplevel dir under EDAC's debugfs hierarchy with parent @parent */
33 struct dentry *
edac_debugfs_create_dir_at(const char * dirname,struct dentry * parent)34 edac_debugfs_create_dir_at(const char *dirname, struct dentry *parent)
35 {
36 return debugfs_create_dir(dirname, parent);
37 }
38 EXPORT_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 */
49 struct dentry *
edac_debugfs_create_file(const char * name,umode_t mode,struct dentry * parent,void * data,const struct file_operations * fops)50 edac_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 }
58 EXPORT_SYMBOL_GPL(edac_debugfs_create_file);
59
60 /* Wrapper for debugfs_create_x8() */
edac_debugfs_create_x8(const char * name,umode_t mode,struct dentry * parent,u8 * value)61 void 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 }
69 EXPORT_SYMBOL_GPL(edac_debugfs_create_x8);
70
71 /* Wrapper for debugfs_create_x16() */
edac_debugfs_create_x16(const char * name,umode_t mode,struct dentry * parent,u16 * value)72 void 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 }
80 EXPORT_SYMBOL_GPL(edac_debugfs_create_x16);
81
82 /* Wrapper for debugfs_create_x32() */
edac_debugfs_create_x32(const char * name,umode_t mode,struct dentry * parent,u32 * value)83 void 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 }
91 EXPORT_SYMBOL_GPL(edac_debugfs_create_x32);
92