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/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2016-2018, Matthew Macy <mmacy@freebsd.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _LINUXKPI_LINUX_DEBUGFS_H_
#define _LINUXKPI_LINUX_DEBUGFS_H_
#include <linux/fs.h>
#include <linux/module.h>
#include <linux/seq_file.h>
#include <linux/types.h>
MALLOC_DECLARE(M_DFSINT);
struct debugfs_reg32 {
char *name;
unsigned long offset;
};
struct debugfs_regset32 {
const struct debugfs_reg32 *regs;
int nregs;
};
struct debugfs_blob_wrapper {
void *data;
size_t size;
};
static inline bool
debugfs_initialized(void)
{
return (true);
}
struct dentry *debugfs_create_file(const char *name, umode_t mode,
struct dentry *parent, void *data,
const struct file_operations *fops);
/* TODO: We currently ignore the `file_size` argument. */
struct dentry *debugfs_create_file_size(const char *name, umode_t mode,
struct dentry *parent, void *data,
const struct file_operations *fops,
loff_t file_size);
struct dentry *debugfs_create_file_unsafe(const char *name, umode_t mode,
struct dentry *parent, void *data,
const struct file_operations *fops);
struct dentry *debugfs_create_mode_unsafe(const char *name, umode_t mode,
struct dentry *parent, void *data,
const struct file_operations *fops,
const struct file_operations *fops_ro,
const struct file_operations *fops_wo);
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);
struct dentry *debugfs_lookup(const char *name, struct dentry *parent);
void debugfs_remove(struct dentry *dentry);
void debugfs_remove_recursive(struct dentry *dentry);
#define DEFINE_DEBUGFS_ATTRIBUTE(__fops, __get, __set, __fmt) \
DEFINE_SIMPLE_ATTRIBUTE(__fops, __get, __set, __fmt)
#define DEFINE_DEBUGFS_ATTRIBUTE_SIGNED(__fops, __get, __set, __fmt) \
DEFINE_SIMPLE_ATTRIBUTE_SIGNED(__fops, __get, __set, __fmt)
void debugfs_create_bool(const char *name, umode_t mode, struct dentry *parent,
bool *value);
void debugfs_create_u8(const char *name, umode_t mode, struct dentry *parent,
uint8_t *value);
void debugfs_create_u16(const char *name, umode_t mode, struct dentry *parent,
uint16_t *value);
void debugfs_create_u32(const char *name, umode_t mode, struct dentry *parent,
uint32_t *value);
void debugfs_create_u64(const char *name, umode_t mode, struct dentry *parent,
uint64_t *value);
void debugfs_create_x8(const char *name, umode_t mode, struct dentry *parent,
uint8_t *value);
void debugfs_create_x16(const char *name, umode_t mode, struct dentry *parent,
uint16_t *value);
void debugfs_create_x32(const char *name, umode_t mode, struct dentry *parent,
uint32_t *value);
void debugfs_create_x64(const char *name, umode_t mode, struct dentry *parent,
uint64_t *value);
void debugfs_create_ulong(const char *name, umode_t mode, struct dentry *parent,
unsigned long *value);
void debugfs_create_atomic_t(const char *name, umode_t mode, struct dentry *parent,
atomic_t *value);
void debugfs_create_str(const char *name, umode_t mode, struct dentry *parent,
char **value);
struct dentry *debugfs_create_blob(const char *name, umode_t mode,
struct dentry *parent, struct debugfs_blob_wrapper *value);
#endif /* _LINUXKPI_LINUX_DEBUGFS_H_ */
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