mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-24 05:04:00 +08:00
833d6e01b4
no user of that should ever change that pointer, so let's mark it const to prevent that from happening. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
236 lines
6.3 KiB
C
236 lines
6.3 KiB
C
/*
|
|
* debugfs.h - a tiny little debug file system
|
|
*
|
|
* Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com>
|
|
* Copyright (C) 2004 IBM Inc.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License version
|
|
* 2 as published by the Free Software Foundation.
|
|
*
|
|
* debugfs is for people to use instead of /proc or /sys.
|
|
* See Documentation/DocBook/filesystems for more details.
|
|
*/
|
|
|
|
#ifndef _DEBUGFS_H_
|
|
#define _DEBUGFS_H_
|
|
|
|
#include <linux/fs.h>
|
|
#include <linux/seq_file.h>
|
|
|
|
#include <linux/types.h>
|
|
|
|
struct file_operations;
|
|
|
|
struct debugfs_blob_wrapper {
|
|
void *data;
|
|
unsigned long size;
|
|
};
|
|
|
|
struct debugfs_reg32 {
|
|
char *name;
|
|
unsigned long offset;
|
|
};
|
|
|
|
struct debugfs_regset32 {
|
|
const struct debugfs_reg32 *regs;
|
|
int nregs;
|
|
void __iomem *base;
|
|
};
|
|
|
|
extern struct dentry *arch_debugfs_dir;
|
|
|
|
#if defined(CONFIG_DEBUG_FS)
|
|
|
|
/* declared over in file.c */
|
|
extern const struct file_operations debugfs_file_operations;
|
|
extern const struct inode_operations debugfs_link_operations;
|
|
|
|
struct dentry *debugfs_create_file(const char *name, umode_t mode,
|
|
struct dentry *parent, void *data,
|
|
const struct file_operations *fops);
|
|
|
|
struct dentry *debugfs_create_dir(const char *name, struct dentry *parent);
|
|
|
|
struct dentry *debugfs_create_symlink(const char *name, struct dentry *parent,
|
|
const char *dest);
|
|
|
|
void debugfs_remove(struct dentry *dentry);
|
|
void debugfs_remove_recursive(struct dentry *dentry);
|
|
|
|
struct dentry *debugfs_rename(struct dentry *old_dir, struct dentry *old_dentry,
|
|
struct dentry *new_dir, const char *new_name);
|
|
|
|
struct dentry *debugfs_create_u8(const char *name, umode_t mode,
|
|
struct dentry *parent, u8 *value);
|
|
struct dentry *debugfs_create_u16(const char *name, umode_t mode,
|
|
struct dentry *parent, u16 *value);
|
|
struct dentry *debugfs_create_u32(const char *name, umode_t mode,
|
|
struct dentry *parent, u32 *value);
|
|
struct dentry *debugfs_create_u64(const char *name, umode_t mode,
|
|
struct dentry *parent, u64 *value);
|
|
struct dentry *debugfs_create_x8(const char *name, umode_t mode,
|
|
struct dentry *parent, u8 *value);
|
|
struct dentry *debugfs_create_x16(const char *name, umode_t mode,
|
|
struct dentry *parent, u16 *value);
|
|
struct dentry *debugfs_create_x32(const char *name, umode_t mode,
|
|
struct dentry *parent, u32 *value);
|
|
struct dentry *debugfs_create_x64(const char *name, umode_t mode,
|
|
struct dentry *parent, u64 *value);
|
|
struct dentry *debugfs_create_size_t(const char *name, umode_t mode,
|
|
struct dentry *parent, size_t *value);
|
|
struct dentry *debugfs_create_bool(const char *name, umode_t mode,
|
|
struct dentry *parent, u32 *value);
|
|
|
|
struct dentry *debugfs_create_blob(const char *name, umode_t mode,
|
|
struct dentry *parent,
|
|
struct debugfs_blob_wrapper *blob);
|
|
|
|
struct dentry *debugfs_create_regset32(const char *name, umode_t mode,
|
|
struct dentry *parent,
|
|
struct debugfs_regset32 *regset);
|
|
|
|
int debugfs_print_regs32(struct seq_file *s, const struct debugfs_reg32 *regs,
|
|
int nregs, void __iomem *base, char *prefix);
|
|
|
|
struct dentry *debugfs_create_u32_array(const char *name, umode_t mode,
|
|
struct dentry *parent,
|
|
u32 *array, u32 elements);
|
|
|
|
bool debugfs_initialized(void);
|
|
|
|
#else
|
|
|
|
#include <linux/err.h>
|
|
|
|
/*
|
|
* We do not return NULL from these functions if CONFIG_DEBUG_FS is not enabled
|
|
* so users have a chance to detect if there was a real error or not. We don't
|
|
* want to duplicate the design decision mistakes of procfs and devfs again.
|
|
*/
|
|
|
|
static inline struct dentry *debugfs_create_file(const char *name, umode_t mode,
|
|
struct dentry *parent, void *data,
|
|
const struct file_operations *fops)
|
|
{
|
|
return ERR_PTR(-ENODEV);
|
|
}
|
|
|
|
static inline struct dentry *debugfs_create_dir(const char *name,
|
|
struct dentry *parent)
|
|
{
|
|
return ERR_PTR(-ENODEV);
|
|
}
|
|
|
|
static inline struct dentry *debugfs_create_symlink(const char *name,
|
|
struct dentry *parent,
|
|
const char *dest)
|
|
{
|
|
return ERR_PTR(-ENODEV);
|
|
}
|
|
|
|
static inline void debugfs_remove(struct dentry *dentry)
|
|
{ }
|
|
|
|
static inline void debugfs_remove_recursive(struct dentry *dentry)
|
|
{ }
|
|
|
|
static inline struct dentry *debugfs_rename(struct dentry *old_dir, struct dentry *old_dentry,
|
|
struct dentry *new_dir, char *new_name)
|
|
{
|
|
return ERR_PTR(-ENODEV);
|
|
}
|
|
|
|
static inline struct dentry *debugfs_create_u8(const char *name, umode_t mode,
|
|
struct dentry *parent,
|
|
u8 *value)
|
|
{
|
|
return ERR_PTR(-ENODEV);
|
|
}
|
|
|
|
static inline struct dentry *debugfs_create_u16(const char *name, umode_t mode,
|
|
struct dentry *parent,
|
|
u16 *value)
|
|
{
|
|
return ERR_PTR(-ENODEV);
|
|
}
|
|
|
|
static inline struct dentry *debugfs_create_u32(const char *name, umode_t mode,
|
|
struct dentry *parent,
|
|
u32 *value)
|
|
{
|
|
return ERR_PTR(-ENODEV);
|
|
}
|
|
|
|
static inline struct dentry *debugfs_create_u64(const char *name, umode_t mode,
|
|
struct dentry *parent,
|
|
u64 *value)
|
|
{
|
|
return ERR_PTR(-ENODEV);
|
|
}
|
|
|
|
static inline struct dentry *debugfs_create_x8(const char *name, umode_t mode,
|
|
struct dentry *parent,
|
|
u8 *value)
|
|
{
|
|
return ERR_PTR(-ENODEV);
|
|
}
|
|
|
|
static inline struct dentry *debugfs_create_x16(const char *name, umode_t mode,
|
|
struct dentry *parent,
|
|
u16 *value)
|
|
{
|
|
return ERR_PTR(-ENODEV);
|
|
}
|
|
|
|
static inline struct dentry *debugfs_create_x32(const char *name, umode_t mode,
|
|
struct dentry *parent,
|
|
u32 *value)
|
|
{
|
|
return ERR_PTR(-ENODEV);
|
|
}
|
|
|
|
static inline struct dentry *debugfs_create_size_t(const char *name, umode_t mode,
|
|
struct dentry *parent,
|
|
size_t *value)
|
|
{
|
|
return ERR_PTR(-ENODEV);
|
|
}
|
|
|
|
static inline struct dentry *debugfs_create_bool(const char *name, umode_t mode,
|
|
struct dentry *parent,
|
|
u32 *value)
|
|
{
|
|
return ERR_PTR(-ENODEV);
|
|
}
|
|
|
|
static inline struct dentry *debugfs_create_blob(const char *name, umode_t mode,
|
|
struct dentry *parent,
|
|
struct debugfs_blob_wrapper *blob)
|
|
{
|
|
return ERR_PTR(-ENODEV);
|
|
}
|
|
|
|
static inline struct dentry *debugfs_create_regset32(const char *name,
|
|
umode_t mode, struct dentry *parent,
|
|
struct debugfs_regset32 *regset)
|
|
{
|
|
return ERR_PTR(-ENODEV);
|
|
}
|
|
|
|
static inline bool debugfs_initialized(void)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
static inline struct dentry *debugfs_create_u32_array(const char *name, umode_t mode,
|
|
struct dentry *parent,
|
|
u32 *array, u32 elements)
|
|
{
|
|
return ERR_PTR(-ENODEV);
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif
|