Commit 4397bcb4 authored by Borislav Petkov's avatar Borislav Petkov
Browse files

EDAC: Add debugfs wrappers 



Later patches will convert EDAC users to those.

Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
parent 7ac8bf9b

drivers/edac/debugfs.c

+60 −0
Original line number Diff line number Diff line
@@ -101,3 +101,63 @@ int edac_create_debugfs_nodes(struct mem_ctl_info *mci) 
	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);

drivers/edac/edac_module.h

+28 −6
Original line number Diff line number Diff line
@@ -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 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



/*