forked from Minki/linux
35 lines
718 B
C
35 lines
718 B
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
#include <linux/debugfs.h>
|
||
|
#include <linux/seq_file.h>
|
||
|
|
||
|
#include <asm/ptdump.h>
|
||
|
|
||
|
static int ptdump_show(struct seq_file *m, void *v)
|
||
|
{
|
||
|
struct ptdump_info *info = m->private;
|
||
|
|
||
|
ptdump_walk_pgd(m, info);
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
static int ptdump_open(struct inode *inode, struct file *file)
|
||
|
{
|
||
|
return single_open(file, ptdump_show, inode->i_private);
|
||
|
}
|
||
|
|
||
|
static const struct file_operations ptdump_fops = {
|
||
|
.open = ptdump_open,
|
||
|
.read = seq_read,
|
||
|
.llseek = seq_lseek,
|
||
|
.release = single_release,
|
||
|
};
|
||
|
|
||
|
int ptdump_debugfs_register(struct ptdump_info *info, const char *name)
|
||
|
{
|
||
|
struct dentry *pe;
|
||
|
|
||
|
pe = debugfs_create_file(name, 0400, NULL, info, &ptdump_fops);
|
||
|
return pe ? 0 : -ENOMEM;
|
||
|
|
||
|
}
|