linux/drivers/mtd/tests/subpagetest.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2006-2007 Nokia Corporation
 *
 * Test sub-page read and write on MTD device.
 * Author: Adrian Hunter <[email protected]>
 */

#define pr_fmt(fmt) …

#include <linux/init.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/err.h>
#include <linux/mtd/mtd.h>
#include <linux/slab.h>
#include <linux/sched.h>
#include <linux/random.h>

#include "mtd_test.h"

static int dev = …;
module_param(dev, int, S_IRUGO);
MODULE_PARM_DESC(…) …;

static struct mtd_info *mtd;
static unsigned char *writebuf;
static unsigned char *readbuf;
static unsigned char *bbt;

static int subpgsize;
static int bufsize;
static int ebcnt;
static int pgcnt;
static int errcnt;
static struct rnd_state rnd_state;

static inline void clear_data(unsigned char *buf, size_t len)
{ … }

static int write_eraseblock(int ebnum)
{ … }

static int write_eraseblock2(int ebnum)
{ … }

static void print_subpage(unsigned char *p)
{ … }

static int verify_eraseblock(int ebnum)
{ … }

static int verify_eraseblock2(int ebnum)
{ … }

static int verify_eraseblock_ff(int ebnum)
{ … }

static int verify_all_eraseblocks_ff(void)
{ … }

static int __init mtd_subpagetest_init(void)
{ … }
module_init(mtd_subpagetest_init);

static void __exit mtd_subpagetest_exit(void)
{ … }
module_exit(mtd_subpagetest_exit);

MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;