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authorBorislav Petkov <bp@suse.de>2015-09-22 12:16:05 +0200
committerBorislav Petkov <bp@suse.de>2015-09-22 18:10:22 +0200
commit4397bcb4fa1dd285a2c6d583d1f1cbc6bd423f97 (patch)
treed215da1571321864e4fcb082c1d28820a1bc8dd9 /drivers/edac
parent7ac8bf9bc9ba82aea763ef30671a34c6a2a39922 (diff)
EDAC: Add debugfs wrappers
Later patches will convert EDAC users to those. Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'drivers/edac')
-rw-r--r--drivers/edac/debugfs.c60
-rw-r--r--drivers/edac/edac_module.h34
2 files changed, 88 insertions, 6 deletions
diff --git a/drivers/edac/debugfs.c b/drivers/edac/debugfs.c
index bcd558d5cb48..4864703115cc 100644
--- a/drivers/edac/debugfs.c
+++ b/drivers/edac/debugfs.c
@@ -101,3 +101,63 @@ nomem:
debugfs_remove(mci->debugfs);
return -ENOMEM;
}
+
+/* Create a toplevel dir under EDAC's debugfs hierarchy */
+struct dentry *edac_debugfs_create_dir(const char *dirname)
+{
+ if (!edac_debugfs)
+ return NULL;
+
+ return debugfs_create_dir(dirname, edac_debugfs);
+}
+EXPORT_SYMBOL_GPL(edac_debugfs_create_dir);
+
+/* Create a toplevel dir under EDAC's debugfs hierarchy with parent @parent */
+struct dentry *
+edac_debugfs_create_dir_at(const char *dirname, struct dentry *parent)
+{
+ return debugfs_create_dir(dirname, parent);
+}
+EXPORT_SYMBOL_GPL(edac_debugfs_create_dir_at);
+
+/*
+ * Create a file under EDAC's hierarchy or a sub-hierarchy:
+ *
+ * @name: file name
+ * @mode: file permissions
+ * @parent: parent dentry. If NULL, it becomes the toplevel EDAC dir
+ * @data: private data of caller
+ * @fops: file operations of this file
+ */
+struct dentry *
+edac_debugfs_create_file(const char *name, umode_t mode, struct dentry *parent,
+ void *data, const struct file_operations *fops)
+{
+ if (!parent)
+ parent = edac_debugfs;
+
+ return debugfs_create_file(name, mode, parent, data, fops);
+}
+EXPORT_SYMBOL_GPL(edac_debugfs_create_file);
+
+/* Wrapper for debugfs_create_x8() */
+struct dentry *edac_debugfs_create_x8(const char *name, umode_t mode,
+ struct dentry *parent, u8 *value)
+{
+ if (!parent)
+ parent = edac_debugfs;
+
+ return debugfs_create_x8(name, mode, parent, value);
+}
+EXPORT_SYMBOL_GPL(edac_debugfs_create_x8);
+
+/* Wrapper for debugfs_create_x16() */
+struct dentry *edac_debugfs_create_x16(const char *name, umode_t mode,
+ struct dentry *parent, u16 *value)
+{
+ if (!parent)
+ parent = edac_debugfs;
+
+ return debugfs_create_x16(name, mode, parent, value);
+}
+EXPORT_SYMBOL_GPL(edac_debugfs_create_x16);
diff --git a/drivers/edac/edac_module.h b/drivers/edac/edac_module.h
index 79a6c6e20819..b95a48fc723d 100644
--- a/drivers/edac/edac_module.h
+++ b/drivers/edac/edac_module.h
@@ -60,17 +60,39 @@ extern void *edac_align_ptr(void **p, unsigned size, int n_elems);
/*
* EDAC debugfs functions
*/
+
+#define edac_debugfs_remove_recursive debugfs_remove_recursive
+#define edac_debugfs_remove debugfs_remove
#ifdef CONFIG_EDAC_DEBUG
int edac_debugfs_init(void);
void edac_debugfs_exit(void);
int edac_create_debugfs_nodes(struct mem_ctl_info *mci);
+struct dentry *edac_debugfs_create_dir(const char *dirname);
+struct dentry *
+edac_debugfs_create_dir_at(const char *dirname, struct dentry *parent);
+struct dentry *
+edac_debugfs_create_file(const char *name, umode_t mode, struct dentry *parent,
+ void *data, const struct file_operations *fops);
+struct dentry *
+edac_debugfs_create_x8(const char *name, umode_t mode, struct dentry *parent, u8 *value);
+struct dentry *
+edac_debugfs_create_x16(const char *name, umode_t mode, struct dentry *parent, u16 *value);
#else
-static inline int edac_debugfs_init(void)
-{
- return -ENODEV;
-}
-static inline void edac_debugfs_exit(void) {}
-static inline int edac_create_debugfs_nodes(struct mem_ctl_info *mci) { return 0; }
+static inline int edac_debugfs_init(void) { return -ENODEV; }
+static inline void edac_debugfs_exit(void) { }
+static inline int edac_create_debugfs_nodes(struct mem_ctl_info *mci) { return 0; }
+static inline struct dentry *edac_debugfs_create_dir(const char *dirname) { return NULL; }
+static inline struct dentry *
+edac_debugfs_create_dir_at(const char *dirname, struct dentry *parent) { return NULL; }
+static inline struct dentry *
+edac_debugfs_create_file(const char *name, umode_t mode, struct dentry *parent,
+ void *data, const struct file_operations *fops) { return NULL; }
+static inline struct dentry *
+edac_debugfs_create_x8(const char *name, umode_t mode,
+ struct dentry *parent, u8 *value) { return NULL; }
+static inline struct dentry *
+edac_debugfs_create_x16(const char *name, umode_t mode,
+ struct dentry *parent, u16 *value) { return NULL; }
#endif
/*