linux/drivers/misc/sgi-gru/gruprocfs.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * SN Platform GRU Driver
 *
 *              PROC INTERFACES
 *
 * This file supports the /proc interfaces for the GRU driver
 *
 *  Copyright (c) 2008 Silicon Graphics, Inc.  All Rights Reserved.
 */

#include <linux/proc_fs.h>
#include <linux/device.h>
#include <linux/seq_file.h>
#include <linux/uaccess.h>
#include "gru.h"
#include "grulib.h"
#include "grutables.h"

#define printstat(s, f) …

static void printstat_val(struct seq_file *s, atomic_long_t *v, char *id)
{ … }

static int statistics_show(struct seq_file *s, void *p)
{ … }

static ssize_t statistics_write(struct file *file, const char __user *userbuf,
				size_t count, loff_t *data)
{ … }

static int mcs_statistics_show(struct seq_file *s, void *p)
{ … }

static ssize_t mcs_statistics_write(struct file *file,
			const char __user *userbuf, size_t count, loff_t *data)
{ … }

static int options_show(struct seq_file *s, void *p)
{ … }

static ssize_t options_write(struct file *file, const char __user *userbuf,
			     size_t count, loff_t *data)
{ … }

static int cch_seq_show(struct seq_file *file, void *data)
{ … }

static int gru_seq_show(struct seq_file *file, void *data)
{ … }

static void seq_stop(struct seq_file *file, void *data)
{ … }

static void *seq_start(struct seq_file *file, loff_t *gid)
{ … }

static void *seq_next(struct seq_file *file, void *data, loff_t *gid)
{ … }

static const struct seq_operations cch_seq_ops = …;

static const struct seq_operations gru_seq_ops = …;

static int statistics_open(struct inode *inode, struct file *file)
{ … }

static int mcs_statistics_open(struct inode *inode, struct file *file)
{ … }

static int options_open(struct inode *inode, struct file *file)
{ … }

/* *INDENT-OFF* */
static const struct proc_ops statistics_proc_ops = …;

static const struct proc_ops mcs_statistics_proc_ops = …;

static const struct proc_ops options_proc_ops = …;

static struct proc_dir_entry *proc_gru __read_mostly;

int gru_proc_init(void)
{ … }

void gru_proc_exit(void)
{ … }