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path: root/drivers/mtd/tests/speedtest.c
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Diffstat (limited to 'drivers/mtd/tests/speedtest.c')
-rw-r--r--drivers/mtd/tests/speedtest.c180
1 files changed, 36 insertions, 144 deletions
diff --git a/drivers/mtd/tests/speedtest.c b/drivers/mtd/tests/speedtest.c
index 20b63d1ad494..457c45c6a704 100644
--- a/drivers/mtd/tests/speedtest.c
+++ b/drivers/mtd/tests/speedtest.c
@@ -30,6 +30,8 @@
#include <linux/sched.h>
#include <linux/random.h>
+#include "mtd_test.h"
+
static int dev = -EINVAL;
module_param(dev, int, S_IRUGO);
MODULE_PARM_DESC(dev, "MTD device number to use");
@@ -49,33 +51,6 @@ static int pgcnt;
static int goodebcnt;
static struct timeval start, finish;
-
-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 multiblock_erase(int ebnum, int blocks)
{
int err;
@@ -103,52 +78,29 @@ static int multiblock_erase(int ebnum, int blocks)
return 0;
}
-static int erase_whole_device(void)
-{
- int err;
- unsigned int i;
-
- for (i = 0; i < ebcnt; ++i) {
- if (bbt[i])
- continue;
- err = erase_eraseblock(i);
- if (err)
- return err;
- cond_resched();
- }
- return 0;
-}
-
static int write_eraseblock(int ebnum)
{
- size_t written;
- int err = 0;
+ int err;
loff_t addr = ebnum * mtd->erasesize;
- err = mtd_write(mtd, addr, mtd->erasesize, &written, iobuf);
- if (err || written != mtd->erasesize) {
+ err = mtdtest_write(mtd, addr, mtd->erasesize, iobuf);
+ if (err)
pr_err("error: write failed at %#llx\n", addr);
- if (!err)
- err = -EINVAL;
- }
return err;
}
static int write_eraseblock_by_page(int ebnum)
{
- size_t written;
int i, err = 0;
loff_t addr = ebnum * mtd->erasesize;
void *buf = iobuf;
for (i = 0; i < pgcnt; i++) {
- err = mtd_write(mtd, addr, pgsize, &written, buf);
- if (err || written != pgsize) {
+ err = mtdtest_write(mtd, addr, pgsize, buf);
+ if (err) {
pr_err("error: write failed at %#llx\n",
addr);
- if (!err)
- err = -EINVAL;
break;
}
addr += pgsize;
@@ -160,30 +112,26 @@ static int write_eraseblock_by_page(int ebnum)
static int write_eraseblock_by_2pages(int ebnum)
{
- size_t written, sz = pgsize * 2;
+ size_t sz = pgsize * 2;
int i, n = pgcnt / 2, err = 0;
loff_t addr = ebnum * mtd->erasesize;
void *buf = iobuf;
for (i = 0; i < n; i++) {
- err = mtd_write(mtd, addr, sz, &written, buf);
- if (err || written != sz) {
+ err = mtdtest_write(mtd, addr, sz, buf);
+ if (err) {
pr_err("error: write failed at %#llx\n",
addr);
- if (!err)
- err = -EINVAL;
return err;
}
addr += sz;
buf += sz;
}
if (pgcnt % 2) {
- err = mtd_write(mtd, addr, pgsize, &written, buf);
- if (err || written != pgsize) {
+ err = mtdtest_write(mtd, addr, pgsize, buf);
+ if (err) {
pr_err("error: write failed at %#llx\n",
addr);
- if (!err)
- err = -EINVAL;
}
}
@@ -192,40 +140,27 @@ static int write_eraseblock_by_2pages(int ebnum)
static int read_eraseblock(int ebnum)
{
- size_t read;
- int err = 0;
+ int err;
loff_t addr = ebnum * mtd->erasesize;
- err = mtd_read(mtd, addr, mtd->erasesize, &read, iobuf);
- /* Ignore corrected ECC errors */
- if (mtd_is_bitflip(err))
- err = 0;
- if (err || read != mtd->erasesize) {
+ err = mtdtest_read(mtd, addr, mtd->erasesize, iobuf);
+ if (err)
pr_err("error: read failed at %#llx\n", addr);
- if (!err)
- err = -EINVAL;
- }
return err;
}
static int read_eraseblock_by_page(int ebnum)
{
- size_t read;
int i, err = 0;
loff_t addr = ebnum * mtd->erasesize;
void *buf = iobuf;
for (i = 0; i < pgcnt; i++) {
- err = mtd_read(mtd, addr, pgsize, &read, buf);
- /* Ignore corrected ECC errors */
- if (mtd_is_bitflip(err))
- err = 0;
- if (err || read != pgsize) {
+ err = mtdtest_read(mtd, addr, pgsize, buf);
+ if (err) {
pr_err("error: read failed at %#llx\n",
addr);
- if (!err)
- err = -EINVAL;
break;
}
addr += pgsize;
@@ -237,53 +172,32 @@ static int read_eraseblock_by_page(int ebnum)
static int read_eraseblock_by_2pages(int ebnum)
{
- size_t read, sz = pgsize * 2;
+ size_t sz = pgsize * 2;
int i, n = pgcnt / 2, err = 0;
loff_t addr = ebnum * mtd->erasesize;
void *buf = iobuf;
for (i = 0; i < n; i++) {
- err = mtd_read(mtd, addr, sz, &read, buf);
- /* Ignore corrected ECC errors */
- if (mtd_is_bitflip(err))
- err = 0;
- if (err || read != sz) {
+ err = mtdtest_read(mtd, addr, sz, buf);
+ if (err) {
pr_err("error: read failed at %#llx\n",
addr);
- if (!err)
- err = -EINVAL;
return err;
}
addr += sz;
buf += sz;
}
if (pgcnt % 2) {
- err = mtd_read(mtd, addr, pgsize, &read, buf);
- /* Ignore corrected ECC errors */
- if (mtd_is_bitflip(err))
- err = 0;
- if (err || read != pgsize) {
+ err = mtdtest_read(mtd, addr, pgsize, buf);
+ if (err) {
pr_err("error: read failed at %#llx\n",
addr);
- if (!err)
- err = -EINVAL;
}
}
return err;
}
-static int is_block_bad(int ebnum)
-{
- loff_t addr = ebnum * mtd->erasesize;
- int ret;
-
- ret = mtd_block_isbad(mtd, addr);
- if (ret)
- pr_info("block %d is bad\n", ebnum);
- return ret;
-}
-
static inline void start_timing(void)
{
do_gettimeofday(&start);
@@ -308,30 +222,6 @@ static long calc_speed(void)
return k;
}
-static int scan_for_bad_eraseblocks(void)
-{
- int i, bad = 0;
-
- bbt = kzalloc(ebcnt, GFP_KERNEL);
- if (!bbt)
- return -ENOMEM;
-
- if (!mtd_can_have_bb(mtd))
- goto out;
-
- 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);
-out:
- goodebcnt = ebcnt - bad;
- return 0;
-}
-
static int __init mtd_speedtest_init(void)
{
int err, i, blocks, j, k;
@@ -387,11 +277,18 @@ static int __init mtd_speedtest_init(void)
prandom_bytes(iobuf, mtd->erasesize);
- err = scan_for_bad_eraseblocks();
+ bbt = kzalloc(ebcnt, GFP_KERNEL);
+ if (!bbt)
+ goto out;
+ err = mtdtest_scan_for_bad_eraseblocks(mtd, bbt, 0, ebcnt);
if (err)
goto out;
+ for (i = 0; i < ebcnt; i++) {
+ if (!bbt[i])
+ goodebcnt++;
+ }
- err = erase_whole_device();
+ err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);
if (err)
goto out;
@@ -425,7 +322,7 @@ static int __init mtd_speedtest_init(void)
speed = calc_speed();
pr_info("eraseblock read speed is %ld KiB/s\n", speed);
- err = erase_whole_device();
+ err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);
if (err)
goto out;
@@ -459,7 +356,7 @@ static int __init mtd_speedtest_init(void)
speed = calc_speed();
pr_info("page read speed is %ld KiB/s\n", speed);
- err = erase_whole_device();
+ err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);
if (err)
goto out;
@@ -496,14 +393,9 @@ static int __init mtd_speedtest_init(void)
/* Erase all eraseblocks */
pr_info("Testing erase speed\n");
start_timing();
- for (i = 0; i < ebcnt; ++i) {
- if (bbt[i])
- continue;
- err = erase_eraseblock(i);
- if (err)
- goto out;
- cond_resched();
- }
+ err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);
+ if (err)
+ goto out;
stop_timing();
speed = calc_speed();
pr_info("erase speed is %ld KiB/s\n", speed);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-26 06:52:50 +0000