linux/arch/x86/kernel/kdebugfs.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Architecture specific debugfs files
 *
 * Copyright (C) 2007, Intel Corp.
 *	Huang Ying <[email protected]>
 */
#include <linux/debugfs.h>
#include <linux/uaccess.h>
#include <linux/export.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/stat.h>
#include <linux/io.h>
#include <linux/mm.h>

#include <asm/setup.h>

struct dentry *arch_debugfs_dir;
EXPORT_SYMBOL(…);

#ifdef CONFIG_DEBUG_BOOT_PARAMS
struct setup_data_node { … };

static ssize_t setup_data_read(struct file *file, char __user *user_buf,
			       size_t count, loff_t *ppos)
{ … }

static const struct file_operations fops_setup_data = …;

static void __init
create_setup_data_node(struct dentry *parent, int no,
		       struct setup_data_node *node)
{ … }

static int __init create_setup_data_nodes(struct dentry *parent)
{ … }

static struct debugfs_blob_wrapper boot_params_blob = …;

static int __init boot_params_kdebugfs_init(void)
{ … }
#endif /* CONFIG_DEBUG_BOOT_PARAMS */

static int __init arch_kdebugfs_init(void)
{ … }
arch_initcall(arch_kdebugfs_init);