unimore/kernel-hacking-2024-linux-steffo
unimore/kernel-hacking-2024-linux-steffo
1
Fork 0
Code Pull requests 5 Wiki Activity

EDAC: Add debugfs wrappers

Browse source 
Later patches will convert EDAC users to those.

Signed-off-by: Borislav Petkov <bp@suse.de>
This commit is contained in:
Borislav Petkov 2015-09-22 12:16:05 +02:00
parent 7ac8bf9bc9
commit 4397bcb4fa
2 changed files with 88 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

60
drivers/edac/debugfs.c
View file

@ -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);

34
drivers/edac/edac_module.h
View file

@ -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
/*