mtd: tests: rename sources in order to link a helper object

Each mtd test module have a single source whose name is the same as
the module name.  In order to link a single object including helper
functions to every test module, this rename these sources to the
different names.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Brian Norris <computersforpeace@gmail.com>
Cc: Vikram Narayanan <vikram186@gmail.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 0 insertions, 714 deletions

diff --git a/drivers/mtd/tests/mtd_oobtest.c b/drivers/mtd/tests/mtd_oobtest.c
deleted file mode 100644
index ab81e9a..0000000
--- a/drivers/mtd/tests/mtd_oobtest.c
+++ /dev/null
@@ -1,714 +0,0 @@
-/*
- * Copyright (C) 2006-2008 Nokia Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; see the file COPYING. If not, write to the Free Software
- * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Test OOB read and write on MTD device.
- *
- * Author: Adrian Hunter <ext-adrian.hunter@nokia.com>
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <asm/div64.h>
-#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>
-
-static int dev = -EINVAL;
-module_param(dev, int, S_IRUGO);
-MODULE_PARM_DESC(dev, "MTD device number to use");
-
-static struct mtd_info *mtd;
-static unsigned char *readbuf;
-static unsigned char *writebuf;
-static unsigned char *bbt;
-
-static int ebcnt;
-static int pgcnt;
-static int errcnt;
-static int use_offset;
-static int use_len;
-static int use_len_max;
-static int vary_offset;
-static struct rnd_state rnd_state;
-
-static int erase_eraseblock(int ebnum)
-{
-	int err;
-	struct erase_info ei;
-	loff_t addr = ebnum * mtd->erasesize;
-
-	memset(&ei, 0, sizeof(struct erase_info));
-	ei.mtd  = mtd;
-	ei.addr = addr;
-	ei.len  = mtd->erasesize;
-
-	err = mtd_erase(mtd, &ei);
-	if (err) {
-		pr_err("error %d while erasing EB %d\n", err, ebnum);
-		return err;
-	}
-
-	if (ei.state == MTD_ERASE_FAILED) {
-		pr_err("some erase error occurred at EB %d\n", ebnum);
-		return -EIO;
-	}
-
-	return 0;
-}
-
-static int erase_whole_device(void)
-{
-	int err;
-	unsigned int i;
-
-	pr_info("erasing whole device\n");
-	for (i = 0; i < ebcnt; ++i) {
-		if (bbt[i])
-			continue;
-		err = erase_eraseblock(i);
-		if (err)
-			return err;
-		cond_resched();
-	}
-	pr_info("erased %u eraseblocks\n", i);
-	return 0;
-}
-
-static void do_vary_offset(void)
-{
-	use_len -= 1;
-	if (use_len < 1) {
-		use_offset += 1;
-		if (use_offset >= use_len_max)
-			use_offset = 0;
-		use_len = use_len_max - use_offset;
-	}
-}
-
-static int write_eraseblock(int ebnum)
-{
-	int i;
-	struct mtd_oob_ops ops;
-	int err = 0;
-	loff_t addr = ebnum * mtd->erasesize;
-
-	for (i = 0; i < pgcnt; ++i, addr += mtd->writesize) {
-		prandom_bytes_state(&rnd_state, writebuf, use_len);
-		ops.mode      = MTD_OPS_AUTO_OOB;
-		ops.len       = 0;
-		ops.retlen    = 0;
-		ops.ooblen    = use_len;
-		ops.oobretlen = 0;
-		ops.ooboffs   = use_offset;
-		ops.datbuf    = NULL;
-		ops.oobbuf    = writebuf;
-		err = mtd_write_oob(mtd, addr, &ops);
-		if (err || ops.oobretlen != use_len) {
-			pr_err("error: writeoob failed at %#llx\n",
-			       (long long)addr);
-			pr_err("error: use_len %d, use_offset %d\n",
-			       use_len, use_offset);
-			errcnt += 1;
-			return err ? err : -1;
-		}
-		if (vary_offset)
-			do_vary_offset();
-	}
-
-	return err;
-}
-
-static int write_whole_device(void)
-{
-	int err;
-	unsigned int i;
-
-	pr_info("writing OOBs of whole device\n");
-	for (i = 0; i < ebcnt; ++i) {
-		if (bbt[i])
-			continue;
-		err = write_eraseblock(i);
-		if (err)
-			return err;
-		if (i % 256 == 0)
-			pr_info("written up to eraseblock %u\n", i);
-		cond_resched();
-	}
-	pr_info("written %u eraseblocks\n", i);
-	return 0;
-}
-
-static int verify_eraseblock(int ebnum)
-{
-	int i;
-	struct mtd_oob_ops ops;
-	int err = 0;
-	loff_t addr = ebnum * mtd->erasesize;
-
-	for (i = 0; i < pgcnt; ++i, addr += mtd->writesize) {
-		prandom_bytes_state(&rnd_state, writebuf, use_len);
-		ops.mode      = MTD_OPS_AUTO_OOB;
-		ops.len       = 0;
-		ops.retlen    = 0;
-		ops.ooblen    = use_len;
-		ops.oobretlen = 0;
-		ops.ooboffs   = use_offset;
-		ops.datbuf    = NULL;
-		ops.oobbuf    = readbuf;
-		err = mtd_read_oob(mtd, addr, &ops);
-		if (err || ops.oobretlen != use_len) {
-			pr_err("error: readoob failed at %#llx\n",
-			       (long long)addr);
-			errcnt += 1;
-			return err ? err : -1;
-		}
-		if (memcmp(readbuf, writebuf, use_len)) {
-			pr_err("error: verify failed at %#llx\n",
-			       (long long)addr);
-			errcnt += 1;
-			if (errcnt > 1000) {
-				pr_err("error: too many errors\n");
-				return -1;
-			}
-		}
-		if (use_offset != 0 || use_len < mtd->ecclayout->oobavail) {
-			int k;
-
-			ops.mode      = MTD_OPS_AUTO_OOB;
-			ops.len       = 0;
-			ops.retlen    = 0;
-			ops.ooblen    = mtd->ecclayout->oobavail;
-			ops.oobretlen = 0;
-			ops.ooboffs   = 0;
-			ops.datbuf    = NULL;
-			ops.oobbuf    = readbuf;
-			err = mtd_read_oob(mtd, addr, &ops);
-			if (err || ops.oobretlen != mtd->ecclayout->oobavail) {
-				pr_err("error: readoob failed at %#llx\n",
-						(long long)addr);
-				errcnt += 1;
-				return err ? err : -1;
-			}
-			if (memcmp(readbuf + use_offset, writebuf, use_len)) {
-				pr_err("error: verify failed at %#llx\n",
-						(long long)addr);
-				errcnt += 1;
-				if (errcnt > 1000) {
-					pr_err("error: too many errors\n");
-					return -1;
-				}
-			}
-			for (k = 0; k < use_offset; ++k)
-				if (readbuf[k] != 0xff) {
-					pr_err("error: verify 0xff "
-					       "failed at %#llx\n",
-					       (long long)addr);
-					errcnt += 1;
-					if (errcnt > 1000) {
-						pr_err("error: too "
-						       "many errors\n");
-						return -1;
-					}
-				}
-			for (k = use_offset + use_len;
-			     k < mtd->ecclayout->oobavail; ++k)
-				if (readbuf[k] != 0xff) {
-					pr_err("error: verify 0xff "
-					       "failed at %#llx\n",
-					       (long long)addr);
-					errcnt += 1;
-					if (errcnt > 1000) {
-						pr_err("error: too "
-						       "many errors\n");
-						return -1;
-					}
-				}
-		}
-		if (vary_offset)
-			do_vary_offset();
-	}
-	return err;
-}
-
-static int verify_eraseblock_in_one_go(int ebnum)
-{
-	struct mtd_oob_ops ops;
-	int err = 0;
-	loff_t addr = ebnum * mtd->erasesize;
-	size_t len = mtd->ecclayout->oobavail * pgcnt;
-
-	prandom_bytes_state(&rnd_state, writebuf, len);
-	ops.mode      = MTD_OPS_AUTO_OOB;
-	ops.len       = 0;
-	ops.retlen    = 0;
-	ops.ooblen    = len;
-	ops.oobretlen = 0;
-	ops.ooboffs   = 0;
-	ops.datbuf    = NULL;
-	ops.oobbuf    = readbuf;
-	err = mtd_read_oob(mtd, addr, &ops);
-	if (err || ops.oobretlen != len) {
-		pr_err("error: readoob failed at %#llx\n",
-		       (long long)addr);
-		errcnt += 1;
-		return err ? err : -1;
-	}
-	if (memcmp(readbuf, writebuf, len)) {
-		pr_err("error: verify failed at %#llx\n",
-		       (long long)addr);
-		errcnt += 1;
-		if (errcnt > 1000) {
-			pr_err("error: too many errors\n");
-			return -1;
-		}
-	}
-
-	return err;
-}
-
-static int verify_all_eraseblocks(void)
-{
-	int err;
-	unsigned int i;
-
-	pr_info("verifying all eraseblocks\n");
-	for (i = 0; i < ebcnt; ++i) {
-		if (bbt[i])
-			continue;
-		err = verify_eraseblock(i);
-		if (err)
-			return err;
-		if (i % 256 == 0)
-			pr_info("verified up to eraseblock %u\n", i);
-		cond_resched();
-	}
-	pr_info("verified %u eraseblocks\n", i);
-	return 0;
-}
-
-static int is_block_bad(int ebnum)
-{
-	int ret;
-	loff_t addr = ebnum * mtd->erasesize;
-
-	ret = mtd_block_isbad(mtd, addr);
-	if (ret)
-		pr_info("block %d is bad\n", ebnum);
-	return ret;
-}
-
-static int scan_for_bad_eraseblocks(void)
-{
-	int i, bad = 0;
-
-	bbt = kmalloc(ebcnt, GFP_KERNEL);
-	if (!bbt)
-		return -ENOMEM;
-
-	pr_info("scanning for bad eraseblocks\n");
-	for (i = 0; i < ebcnt; ++i) {
-		bbt[i] = is_block_bad(i) ? 1 : 0;
-		if (bbt[i])
-			bad += 1;
-		cond_resched();
-	}
-	pr_info("scanned %d eraseblocks, %d are bad\n", i, bad);
-	return 0;
-}
-
-static int __init mtd_oobtest_init(void)
-{
-	int err = 0;
-	unsigned int i;
-	uint64_t tmp;
-	struct mtd_oob_ops ops;
-	loff_t addr = 0, addr0;
-
-	printk(KERN_INFO "\n");
-	printk(KERN_INFO "=================================================\n");
-
-	if (dev < 0) {
-		pr_info("Please specify a valid mtd-device via module parameter\n");
-		pr_crit("CAREFUL: This test wipes all data on the specified MTD device!\n");
-		return -EINVAL;
-	}
-
-	pr_info("MTD device: %d\n", dev);
-
-	mtd = get_mtd_device(NULL, dev);
-	if (IS_ERR(mtd)) {
-		err = PTR_ERR(mtd);
-		pr_err("error: cannot get MTD device\n");
-		return err;
-	}
-
-	if (mtd->type != MTD_NANDFLASH) {
-		pr_info("this test requires NAND flash\n");
-		goto out;
-	}
-
-	tmp = mtd->size;
-	do_div(tmp, mtd->erasesize);
-	ebcnt = tmp;
-	pgcnt = mtd->erasesize / mtd->writesize;
-
-	pr_info("MTD device size %llu, eraseblock size %u, "
-	       "page size %u, count of eraseblocks %u, pages per "
-	       "eraseblock %u, OOB size %u\n",
-	       (unsigned long long)mtd->size, mtd->erasesize,
-	       mtd->writesize, ebcnt, pgcnt, mtd->oobsize);
-
-	err = -ENOMEM;
-	readbuf = kmalloc(mtd->erasesize, GFP_KERNEL);
-	if (!readbuf)
-		goto out;
-	writebuf = kmalloc(mtd->erasesize, GFP_KERNEL);
-	if (!writebuf)
-		goto out;
-
-	err = scan_for_bad_eraseblocks();
-	if (err)
-		goto out;
-
-	use_offset = 0;
-	use_len = mtd->ecclayout->oobavail;
-	use_len_max = mtd->ecclayout->oobavail;
-	vary_offset = 0;
-
-	/* First test: write all OOB, read it back and verify */
-	pr_info("test 1 of 5\n");
-
-	err = erase_whole_device();
-	if (err)
-		goto out;
-
-	prandom_seed_state(&rnd_state, 1);
-	err = write_whole_device();
-	if (err)
-		goto out;
-
-	prandom_seed_state(&rnd_state, 1);
-	err = verify_all_eraseblocks();
-	if (err)
-		goto out;
-
-	/*
-	 * Second test: write all OOB, a block at a time, read it back and
-	 * verify.
-	 */
-	pr_info("test 2 of 5\n");
-
-	err = erase_whole_device();
-	if (err)
-		goto out;
-
-	prandom_seed_state(&rnd_state, 3);
-	err = write_whole_device();
-	if (err)
-		goto out;
-
-	/* Check all eraseblocks */
-	prandom_seed_state(&rnd_state, 3);
-	pr_info("verifying all eraseblocks\n");
-	for (i = 0; i < ebcnt; ++i) {
-		if (bbt[i])
-			continue;
-		err = verify_eraseblock_in_one_go(i);
-		if (err)
-			goto out;
-		if (i % 256 == 0)
-			pr_info("verified up to eraseblock %u\n", i);
-		cond_resched();
-	}
-	pr_info("verified %u eraseblocks\n", i);
-
-	/*
-	 * Third test: write OOB at varying offsets and lengths, read it back
-	 * and verify.
-	 */
-	pr_info("test 3 of 5\n");
-
-	err = erase_whole_device();
-	if (err)
-		goto out;
-
-	/* Write all eraseblocks */
-	use_offset = 0;
-	use_len = mtd->ecclayout->oobavail;
-	use_len_max = mtd->ecclayout->oobavail;
-	vary_offset = 1;
-	prandom_seed_state(&rnd_state, 5);
-
-	err = write_whole_device();
-	if (err)
-		goto out;
-
-	/* Check all eraseblocks */
-	use_offset = 0;
-	use_len = mtd->ecclayout->oobavail;
-	use_len_max = mtd->ecclayout->oobavail;
-	vary_offset = 1;
-	prandom_seed_state(&rnd_state, 5);
-	err = verify_all_eraseblocks();
-	if (err)
-		goto out;
-
-	use_offset = 0;
-	use_len = mtd->ecclayout->oobavail;
-	use_len_max = mtd->ecclayout->oobavail;
-	vary_offset = 0;
-
-	/* Fourth test: try to write off end of device */
-	pr_info("test 4 of 5\n");
-
-	err = erase_whole_device();
-	if (err)
-		goto out;
-
-	addr0 = 0;
-	for (i = 0; i < ebcnt && bbt[i]; ++i)
-		addr0 += mtd->erasesize;
-
-	/* Attempt to write off end of OOB */
-	ops.mode      = MTD_OPS_AUTO_OOB;
-	ops.len       = 0;
-	ops.retlen    = 0;
-	ops.ooblen    = 1;
-	ops.oobretlen = 0;
-	ops.ooboffs   = mtd->ecclayout->oobavail;
-	ops.datbuf    = NULL;
-	ops.oobbuf    = writebuf;
-	pr_info("attempting to start write past end of OOB\n");
-	pr_info("an error is expected...\n");
-	err = mtd_write_oob(mtd, addr0, &ops);
-	if (err) {
-		pr_info("error occurred as expected\n");
-		err = 0;
-	} else {
-		pr_err("error: can write past end of OOB\n");
-		errcnt += 1;
-	}
-
-	/* Attempt to read off end of OOB */
-	ops.mode      = MTD_OPS_AUTO_OOB;
-	ops.len       = 0;
-	ops.retlen    = 0;
-	ops.ooblen    = 1;
-	ops.oobretlen = 0;
-	ops.ooboffs   = mtd->ecclayout->oobavail;
-	ops.datbuf    = NULL;
-	ops.oobbuf    = readbuf;
-	pr_info("attempting to start read past end of OOB\n");
-	pr_info("an error is expected...\n");
-	err = mtd_read_oob(mtd, addr0, &ops);
-	if (err) {
-		pr_info("error occurred as expected\n");
-		err = 0;
-	} else {
-		pr_err("error: can read past end of OOB\n");
-		errcnt += 1;
-	}
-
-	if (bbt[ebcnt - 1])
-		pr_info("skipping end of device tests because last "
-		       "block is bad\n");
-	else {
-		/* Attempt to write off end of device */
-		ops.mode      = MTD_OPS_AUTO_OOB;
-		ops.len       = 0;
-		ops.retlen    = 0;
-		ops.ooblen    = mtd->ecclayout->oobavail + 1;
-		ops.oobretlen = 0;
-		ops.ooboffs   = 0;
-		ops.datbuf    = NULL;
-		ops.oobbuf    = writebuf;
-		pr_info("attempting to write past end of device\n");
-		pr_info("an error is expected...\n");
-		err = mtd_write_oob(mtd, mtd->size - mtd->writesize, &ops);
-		if (err) {
-			pr_info("error occurred as expected\n");
-			err = 0;
-		} else {
-			pr_err("error: wrote past end of device\n");
-			errcnt += 1;
-		}
-
-		/* Attempt to read off end of device */
-		ops.mode      = MTD_OPS_AUTO_OOB;
-		ops.len       = 0;
-		ops.retlen    = 0;
-		ops.ooblen    = mtd->ecclayout->oobavail + 1;
-		ops.oobretlen = 0;
-		ops.ooboffs   = 0;
-		ops.datbuf    = NULL;
-		ops.oobbuf    = readbuf;
-		pr_info("attempting to read past end of device\n");
-		pr_info("an error is expected...\n");
-		err = mtd_read_oob(mtd, mtd->size - mtd->writesize, &ops);
-		if (err) {
-			pr_info("error occurred as expected\n");
-			err = 0;
-		} else {
-			pr_err("error: read past end of device\n");
-			errcnt += 1;
-		}
-
-		err = erase_eraseblock(ebcnt - 1);
-		if (err)
-			goto out;
-
-		/* Attempt to write off end of device */
-		ops.mode      = MTD_OPS_AUTO_OOB;
-		ops.len       = 0;
-		ops.retlen    = 0;
-		ops.ooblen    = mtd->ecclayout->oobavail;
-		ops.oobretlen = 0;
-		ops.ooboffs   = 1;
-		ops.datbuf    = NULL;
-		ops.oobbuf    = writebuf;
-		pr_info("attempting to write past end of device\n");
-		pr_info("an error is expected...\n");
-		err = mtd_write_oob(mtd, mtd->size - mtd->writesize, &ops);
-		if (err) {
-			pr_info("error occurred as expected\n");
-			err = 0;
-		} else {
-			pr_err("error: wrote past end of device\n");
-			errcnt += 1;
-		}
-
-		/* Attempt to read off end of device */
-		ops.mode      = MTD_OPS_AUTO_OOB;
-		ops.len       = 0;
-		ops.retlen    = 0;
-		ops.ooblen    = mtd->ecclayout->oobavail;
-		ops.oobretlen = 0;
-		ops.ooboffs   = 1;
-		ops.datbuf    = NULL;
-		ops.oobbuf    = readbuf;
-		pr_info("attempting to read past end of device\n");
-		pr_info("an error is expected...\n");
-		err = mtd_read_oob(mtd, mtd->size - mtd->writesize, &ops);
-		if (err) {
-			pr_info("error occurred as expected\n");
-			err = 0;
-		} else {
-			pr_err("error: read past end of device\n");
-			errcnt += 1;
-		}
-	}
-
-	/* Fifth test: write / read across block boundaries */
-	pr_info("test 5 of 5\n");
-
-	/* Erase all eraseblocks */
-	err = erase_whole_device();
-	if (err)
-		goto out;
-
-	/* Write all eraseblocks */
-	prandom_seed_state(&rnd_state, 11);
-	pr_info("writing OOBs of whole device\n");
-	for (i = 0; i < ebcnt - 1; ++i) {
-		int cnt = 2;
-		int pg;
-		size_t sz = mtd->ecclayout->oobavail;
-		if (bbt[i] || bbt[i + 1])
-			continue;
-		addr = (i + 1) * mtd->erasesize - mtd->writesize;
-		for (pg = 0; pg < cnt; ++pg) {
-			prandom_bytes_state(&rnd_state, writebuf, sz);
-			ops.mode      = MTD_OPS_AUTO_OOB;
-			ops.len       = 0;
-			ops.retlen    = 0;
-			ops.ooblen    = sz;
-			ops.oobretlen = 0;
-			ops.ooboffs   = 0;
-			ops.datbuf    = NULL;
-			ops.oobbuf    = writebuf;
-			err = mtd_write_oob(mtd, addr, &ops);
-			if (err)
-				goto out;
-			if (i % 256 == 0)
-				pr_info("written up to eraseblock %u\n", i);
-			cond_resched();
-			addr += mtd->writesize;
-		}
-	}
-	pr_info("written %u eraseblocks\n", i);
-
-	/* Check all eraseblocks */
-	prandom_seed_state(&rnd_state, 11);
-	pr_info("verifying all eraseblocks\n");
-	for (i = 0; i < ebcnt - 1; ++i) {
-		if (bbt[i] || bbt[i + 1])
-			continue;
-		prandom_bytes_state(&rnd_state, writebuf,
-					mtd->ecclayout->oobavail * 2);
-		addr = (i + 1) * mtd->erasesize - mtd->writesize;
-		ops.mode      = MTD_OPS_AUTO_OOB;
-		ops.len       = 0;
-		ops.retlen    = 0;
-		ops.ooblen    = mtd->ecclayout->oobavail * 2;
-		ops.oobretlen = 0;
-		ops.ooboffs   = 0;
-		ops.datbuf    = NULL;
-		ops.oobbuf    = readbuf;
-		err = mtd_read_oob(mtd, addr, &ops);
-		if (err)
-			goto out;
-		if (memcmp(readbuf, writebuf, mtd->ecclayout->oobavail * 2)) {
-			pr_err("error: verify failed at %#llx\n",
-			       (long long)addr);
-			errcnt += 1;
-			if (errcnt > 1000) {
-				pr_err("error: too many errors\n");
-				goto out;
-			}
-		}
-		if (i % 256 == 0)
-			pr_info("verified up to eraseblock %u\n", i);
-		cond_resched();
-	}
-	pr_info("verified %u eraseblocks\n", i);
-
-	pr_info("finished with %d errors\n", errcnt);
-out:
-	kfree(bbt);
-	kfree(writebuf);
-	kfree(readbuf);
-	put_mtd_device(mtd);
-	if (err)
-		pr_info("error %d occurred\n", err);
-	printk(KERN_INFO "=================================================\n");
-	return err;
-}
-module_init(mtd_oobtest_init);
-
-static void __exit mtd_oobtest_exit(void)
-{
-	return;
-}
-module_exit(mtd_oobtest_exit);
-
-MODULE_DESCRIPTION("Out-of-band test module");
-MODULE_AUTHOR("Adrian Hunter");
-MODULE_LICENSE("GPL");