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u-boot/test/fs/fs-test.sh
Stephen Warren 08eee2718a test/fs: error case fixes/enhancements 
- Use "mkdir -p" to avoid errors when intermediate directories are
  missing.
- Fall back to "dd" when "fallocate" fails. For example, fallocate isn't
  supported on ext4.
- Add error checking for test image generation. Without this, the test
  simply plows on spewing all kinds of errors which are hard to
  immediately root-cause.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2016-01-13 21:05:21 -05:00

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#!/bin/bash
#
# (C) Copyright 2014 Suriyan Ramasami
#
# SPDX-License-Identifier: GPL-2.0+
#
# Invoke this test script from U-Boot base directory as ./test/fs/fs-test.sh
# It currently tests the fs/sb and native commands for ext4 and fat partitions
# Expected results are as follows:
# EXT4 tests:
# fs-test.sb.ext4.out: Summary: PASS: 17 FAIL: 2
# fs-test.ext4.out: Summary: PASS: 10 FAIL: 9
# fs-test.fs.ext4.out: Summary: PASS: 10 FAIL: 9
# FAT tests:
# fs-test.sb.fat.out: Summary: PASS: 17 FAIL: 2
# fs-test.fat.out: Summary: PASS: 19 FAIL: 0
# fs-test.fs.fat.out: Summary: PASS: 19 FAIL: 0
# Total Summary: TOTAL PASS: 92 TOTAL FAIL: 22
# pre-requisite binaries list.
PREREQ_BINS="md5sum mkfs mount umount dd fallocate mkdir"
# All generated output files from this test will be in $OUT_DIR
# Hence everything is sandboxed.
OUT_DIR="sandbox/test/fs"
# Location of generated sandbox u-boot
UBOOT="./sandbox/u-boot"
# Our mount directory will be in the sandbox
MOUNT_DIR="${OUT_DIR}/mnt"
# The file system image we create will have the $IMG prefix.
IMG="${OUT_DIR}/3GB"
# $SMALL_FILE is the name of the 1MB file in the file system image
SMALL_FILE="1MB.file"
# $BIG_FILE is the name of the 2.5GB file in the file system image
BIG_FILE="2.5GB.file"
# $MD5_FILE will have the expected md5s when we do the test
# They shall have a suffix which represents their file system (ext4/fat)
MD5_FILE="${OUT_DIR}/md5s.list"
# $OUT shall be the prefix of the test output. Their suffix will be .out
OUT="${OUT_DIR}/fs-test"
# Full Path of the 1 MB file that shall be created in the fs image.
MB1="${MOUNT_DIR}/${SMALL_FILE}"
GB2p5="${MOUNT_DIR}/${BIG_FILE}"
# ************************
# * Functions start here *
# ************************
# Check if the prereq binaries exist, or exit
function check_prereq() {
for prereq in $PREREQ_BINS; do
if [ ! -x "`which $prereq`" ]; then
echo "Missing $prereq binary. Exiting!"
exit
fi
done
# We use /dev/urandom to create files. Check if it exists.
if [ ! -c /dev/urandom ]; then
echo "Missing character special /dev/urandom. Exiting!"
exit
fi
}
# If 1st param is "clean", then clean out the generated files and exit
function check_clean() {
if [ "$1" = "clean" ]; then
rm -rf "$OUT_DIR"
echo "Cleaned up generated files. Exiting"
exit
fi
}
# Generate sandbox U-Boot - gleaned from /test/dm/test-dm.sh
function compile_sandbox() {
unset CROSS_COMPILE
NUM_CPUS=$(cat /proc/cpuinfo |grep -c processor)
make O=sandbox sandbox_config
make O=sandbox -s -j${NUM_CPUS}
# Check if U-Boot exists
if [ ! -x "$UBOOT" ]; then
echo "$UBOOT does not exist or is not executable"
echo "Build error?"
echo "Please run this script as ./test/fs/`basename $0`"
exit
fi
}
# Clean out all generated files other than the file system images
# We save time by not deleting and recreating the file system images
function prepare_env() {
rm -f ${MD5_FILE}.* ${OUT}.*
mkdir -p ${OUT_DIR}
}
# 1st parameter is the name of the image file to be created
# 2nd parameter is the filesystem - fat ext4 etc
# -F cant be used with fat as it means something else.
function create_image() {
# Create image if not already present - saves time, while debugging
if [ "$2" = "ext4" ]; then
MKFS_OPTION="-F"
else
MKFS_OPTION=""
fi
if [ ! -f "$1" ]; then
fallocate -l 3G "$1" &> /dev/null
if [ $? -ne 0 ]; then
echo fallocate failed - using dd instead
dd if=/dev/zero of=$1 bs=1024 count=$((3 * 1024 * 1024))
if [ $? -ne 0 ]; then
echo Could not create empty disk image
exit $?
fi
fi
mkfs -t "$2" $MKFS_OPTION "$1" &> /dev/null
if [ $? -ne 0 -a "$2" = "fat" ]; then
# If we fail and we did fat, try vfat.
mkfs -t vfat $MKFS_OPTION "$1" &> /dev/null
fi
if [ $? -ne 0 ]; then
echo Could not create filesystem
exit $?
fi
fi
}
# 1st parameter is the FS type: fat/ext4
# 2nd parameter is the name of small file
# Returns filename which can be used for fat or ext4 for writing
function fname_for_write() {
case $1 in
ext4)
# ext4 needs absolute path name of file
echo /${2}.w
;;
*)
echo ${2}.w
;;
esac
}
# 1st parameter is image file
# 2nd parameter is file system type - fat/ext4
# 3rd parameter is name of small file
# 4th parameter is name of big file
# 5th parameter is fs/nonfs/sb - to dictate generic fs commands or
# otherwise or sb hostfs
# 6th parameter is the directory path for the files. Its "" for generic
# fs and ext4/fat and full patch for sb hostfs
# UBOOT is set in env
function test_image() {
addr="0x01000008"
length="0x00100000"
case "$2" in
fat)
PREFIX="fat"
WRITE="write"
;;
ext4)
PREFIX="ext4"
WRITE="write"
;;
*)
echo "Unhandled filesystem $2. Exiting!"
exit
;;
esac
case "$5" in
fs)
PREFIX=""
WRITE="save"
SUFFIX=" 0:0"
;;
nonfs)
SUFFIX=" 0:0"
;;
sb)
PREFIX="sb "
WRITE="save"
SUFFIX="fs -"
;;
*)
echo "Unhandled mode $5. Exiting!"
exit
;;
esac
if [ -z "$6" ]; then
FILE_WRITE=`fname_for_write $2 $3`
FILE_SMALL=$3
FILE_BIG=$4
else
FILE_WRITE=$6/`fname_for_write $2 $3`
FILE_SMALL=$6/$3
FILE_BIG=$6/$4
fi
# In u-boot commands, <interface> stands for host or hostfs
# hostfs maps to the host fs.
# host maps to the "sb bind" that we do
$UBOOT << EOF
sb=$5
setenv bind 'if test "\$sb" != sb; then sb bind 0 "$1"; fi'
run bind
# Test Case 1 - ls
${PREFIX}ls host${SUFFIX} $6
#
# We want ${PREFIX}size host 0:0 $3 for host commands and
# sb size hostfs - $3 for hostfs commands.
# 1MB is 0x0010 0000
# Test Case 2 - size of small file
${PREFIX}size host${SUFFIX} $FILE_SMALL
printenv filesize
setenv filesize
# 2.5GB (1024*1024*2500) is 0x9C40 0000
# Test Case 3 - size of big file
${PREFIX}size host${SUFFIX} $FILE_BIG
printenv filesize
setenv filesize
# Notes about load operation
# If I use 0x01000000 I get DMA misaligned error message
# Last two parameters are size and offset.
# Test Case 4a - Read full 1MB of small file
${PREFIX}load host${SUFFIX} $addr $FILE_SMALL
printenv filesize
# Test Case 4b - Read full 1MB of small file
md5sum $addr \$filesize
setenv filesize
# Test Case 5a - First 1MB of big file
${PREFIX}load host${SUFFIX} $addr $FILE_BIG $length 0x0
printenv filesize
# Test Case 5b - First 1MB of big file
md5sum $addr \$filesize
setenv filesize
# fails for ext as no offset support
# Test Case 6a - Last 1MB of big file
${PREFIX}load host${SUFFIX} $addr $FILE_BIG $length 0x9C300000
printenv filesize
# Test Case 6b - Last 1MB of big file
md5sum $addr \$filesize
setenv filesize
# fails for ext as no offset support
# Test Case 7a - One from the last 1MB chunk of 2GB
${PREFIX}load host${SUFFIX} $addr $FILE_BIG $length 0x7FF00000
printenv filesize
# Test Case 7b - One from the last 1MB chunk of 2GB
md5sum $addr \$filesize
setenv filesize
# fails for ext as no offset support
# Test Case 8a - One from the start 1MB chunk from 2GB
${PREFIX}load host${SUFFIX} $addr $FILE_BIG $length 0x80000000
printenv filesize
# Test Case 8b - One from the start 1MB chunk from 2GB
md5sum $addr \$filesize
setenv filesize
# fails for ext as no offset support
# Test Case 9a - One 1MB chunk crossing the 2GB boundary
${PREFIX}load host${SUFFIX} $addr $FILE_BIG $length 0x7FF80000
printenv filesize
# Test Case 9b - One 1MB chunk crossing the 2GB boundary
md5sum $addr \$filesize
setenv filesize
# Generic failure case
# Test Case 10 - 2MB chunk from the last 1MB of big file
${PREFIX}load host${SUFFIX} $addr $FILE_BIG 0x00200000 0x9C300000
printenv filesize
#
# Read 1MB from small file
${PREFIX}load host${SUFFIX} $addr $FILE_SMALL
# Write it back to test the writes
# Test Case 11a - Check that the write succeeded
${PREFIX}${WRITE} host${SUFFIX} $addr $FILE_WRITE \$filesize
mw.b $addr 00 100
${PREFIX}load host${SUFFIX} $addr $FILE_WRITE
# Test Case 11b - Check md5 of written to is same as the one read from
md5sum $addr \$filesize
setenv filesize
#
reset
EOF
}
# 1st argument is the name of the image file.
# 2nd argument is the file where we generate the md5s of the files
# generated with the appropriate start and length that we use to test.
# It creates the necessary files in the image to test.
# $GB2p5 is the path of the big file (2.5 GB)
# $MB1 is the path of the small file (1 MB)
# $MOUNT_DIR is the path we can use to mount the image file.
function create_files() {
# Mount the image so we can populate it.
mkdir -p "$MOUNT_DIR"
sudo mount -o loop,rw "$1" "$MOUNT_DIR"
# Create big file in this image.
# Note that we work only on the start 1MB, couple MBs in the 2GB range
# and the last 1 MB of the huge 2.5GB file.
# So, just put random values only in those areas.
if [ ! -f "${GB2p5}" ]; then
sudo dd if=/dev/urandom of="${GB2p5}" bs=1M count=1 \
&> /dev/null
sudo dd if=/dev/urandom of="${GB2p5}" bs=1M count=2 seek=2047 \
&> /dev/null
sudo dd if=/dev/urandom of="${GB2p5}" bs=1M count=1 seek=2499 \
&> /dev/null
fi
# Create a small file in this image.
if [ ! -f "${MB1}" ]; then
sudo dd if=/dev/urandom of="${MB1}" bs=1M count=1 \
&> /dev/null
fi
# Delete the small file which possibly is written as part of a
# previous test.
sudo rm -f "${MB1}.w"
# Generate the md5sums of reads that we will test against small file
dd if="${MB1}" bs=1M skip=0 count=1 2> /dev/null | md5sum > "$2"
# Generate the md5sums of reads that we will test against big file
# One from beginning of file.
dd if="${GB2p5}" bs=1M skip=0 count=1 \
2> /dev/null | md5sum >> "$2"
# One from end of file.
dd if="${GB2p5}" bs=1M skip=2499 count=1 \
2> /dev/null | md5sum >> "$2"
# One from the last 1MB chunk of 2GB
dd if="${GB2p5}" bs=1M skip=2047 count=1 \
2> /dev/null | md5sum >> "$2"
# One from the start 1MB chunk from 2GB
dd if="${GB2p5}" bs=1M skip=2048 count=1 \
2> /dev/null | md5sum >> "$2"
# One 1MB chunk crossing the 2GB boundary
dd if="${GB2p5}" bs=512K skip=4095 count=2 \
2> /dev/null | md5sum >> "$2"
sync
sudo umount "$MOUNT_DIR"
rmdir "$MOUNT_DIR"
}
# 1st parameter is the text to print
# if $? is 0 its a pass, else a fail
# As a side effect it shall update env variable PASS and FAIL
function pass_fail() {
if [ $? -eq 0 ]; then
echo pass - "$1"
PASS=$((PASS + 1))
else
echo FAIL - "$1"
FAIL=$((FAIL + 1))
fi
}
# 1st parameter is the string which leads to an md5 generation
# 2nd parameter is the file we grep, for that string
# 3rd parameter is the name of the file which has md5s in it
# 4th parameter is the line # in the md5 file that we match it against
# This function checks if the md5 of the file in the sandbox matches
# that calculated while generating the file
# 5th parameter is the string to print with the result
check_md5() {
# md5sum in u-boot has output of form:
# md5 for 01000008 ... 01100007 ==> <md5>
# the 7th field is the actual md5
md5_src=`grep -A3 "$1" "$2" | grep "md5 for"`
md5_src=($md5_src)
md5_src=${md5_src[6]}
# The md5 list, each line is of the form:
# - <md5>
# the 2nd field is the actual md5
md5_dst=`sed -n $4p $3`
md5_dst=($md5_dst)
md5_dst=${md5_dst[0]}
# For a pass they should match.
[ "$md5_src" = "$md5_dst" ]
pass_fail "$5"
}
# 1st parameter is the name of the output file to check
# 2nd parameter is the name of the file containing the md5 expected
# 3rd parameter is the name of the small file
# 4th parameter is the name of the big file
# 5th paramter is the name of the written file
# This function checks the output file for correct results.
function check_results() {
echo "** Start $1"
PASS=0
FAIL=0
# Check if the ls is showing correct results for 2.5 gb file
grep -A6 "Test Case 1 " "$1" | egrep -iq "2621440000 *$4"
pass_fail "TC1: ls of $4"
# Check if the ls is showing correct results for 1 mb file
grep -A6 "Test Case 1 " "$1" | egrep -iq "1048576 *$3"
pass_fail "TC1: ls of $3"
# Check size command on 1MB.file
egrep -A3 "Test Case 2 " "$1" | grep -q "filesize=100000"
pass_fail "TC2: size of $3"
# Check size command on 2.5GB.file
egrep -A3 "Test Case 3 " "$1" | grep -q "filesize=9c400000"
pass_fail "TC3: size of $4"
# Check read full mb of 1MB.file
grep -A6 "Test Case 4a " "$1" | grep -q "filesize=100000"
pass_fail "TC4: load of $3 size"
check_md5 "Test Case 4b " "$1" "$2" 1 "TC4: load from $3"
# Check first mb of 2.5GB.file
grep -A6 "Test Case 5a " "$1" | grep -q "filesize=100000"
pass_fail "TC5: load of 1st MB from $4 size"
check_md5 "Test Case 5b " "$1" "$2" 2 "TC5: load of 1st MB from $4"
# Check last mb of 2.5GB.file
grep -A6 "Test Case 6a " "$1" | grep -q "filesize=100000"
pass_fail "TC6: load of last MB from $4 size"
check_md5 "Test Case 6b " "$1" "$2" 3 "TC6: load of last MB from $4"
# Check last 1mb chunk of 2gb from 2.5GB file
grep -A6 "Test Case 7a " "$1" | grep -q "filesize=100000"
pass_fail "TC7: load of last 1mb chunk of 2GB from $4 size"
check_md5 "Test Case 7b " "$1" "$2" 4 \
"TC7: load of last 1mb chunk of 2GB from $4"
# Check first 1mb chunk after 2gb from 2.5GB file
grep -A6 "Test Case 8a " "$1" | grep -q "filesize=100000"
pass_fail "TC8: load 1st MB chunk after 2GB from $4 size"
check_md5 "Test Case 8b " "$1" "$2" 5 \
"TC8: load 1st MB chunk after 2GB from $4"
# Check 1mb chunk crossing the 2gb boundary from 2.5GB file
grep -A6 "Test Case 9a " "$1" | grep -q "filesize=100000"
pass_fail "TC9: load 1MB chunk crossing 2GB boundary from $4 size"
check_md5 "Test Case 9b " "$1" "$2" 6 \
"TC9: load 1MB chunk crossing 2GB boundary from $4"
# Check 2mb chunk from the last 1MB of 2.5GB file loads 1MB
grep -A6 "Test Case 10 " "$1" | grep -q "filesize=100000"
pass_fail "TC10: load 2MB from the last 1MB of $4 loads 1MB"
# Check 1mb chunk write
grep -A3 "Test Case 11a " "$1" | \
egrep -q '1048576 bytes written|update journal'
pass_fail "TC11: 1MB write to $5 - write succeeded"
check_md5 "Test Case 11b " "$1" "$2" 1 \
"TC11: 1MB write to $5 - content verified"
echo "** End $1"
}
# Takes in one parameter which is "fs" or "nonfs", which then dictates
# if a fs test (size/load/save) or a nonfs test (fatread/extread) needs to
# be performed.
function test_fs_nonfs() {
echo "Creating files in $fs image if not already present."
create_files $IMAGE $MD5_FILE_FS
OUT_FILE="${OUT}.$1.${fs}.out"
test_image $IMAGE $fs $SMALL_FILE $BIG_FILE $1 "" \
> ${OUT_FILE} 2>&1
check_results $OUT_FILE $MD5_FILE_FS $SMALL_FILE $BIG_FILE \
$WRITE_FILE
TOTAL_FAIL=$((TOTAL_FAIL + FAIL))
TOTAL_PASS=$((TOTAL_PASS + PASS))
echo "Summary: PASS: $PASS FAIL: $FAIL"
echo "--------------------------------------------"
}
# ********************
# * End of functions *
# ********************
check_clean "$1"
check_prereq
compile_sandbox
prepare_env
# Track TOTAL_FAIL and TOTAL_PASS
TOTAL_FAIL=0
TOTAL_PASS=0
# In each loop, for a given file system image, we test both the
# fs command, like load/size/write, the file system specific command
# like: ext4load/ext4size/ext4write and the sb load/ls/save commands.
for fs in ext4 fat; do
echo "Creating $fs image if not already present."
IMAGE=${IMG}.${fs}.img
MD5_FILE_FS="${MD5_FILE}.${fs}"
create_image $IMAGE $fs
# sb commands test
echo "Creating files in $fs image if not already present."
create_files $IMAGE $MD5_FILE_FS
# Lets mount the image and test sb hostfs commands
mkdir -p "$MOUNT_DIR"
if [ "$fs" = "fat" ]; then
uid="uid=`id -u`"
else
uid=""
fi
sudo mount -o loop,rw,$uid "$IMAGE" "$MOUNT_DIR"
sudo chmod 777 "$MOUNT_DIR"
OUT_FILE="${OUT}.sb.${fs}.out"
test_image $IMAGE $fs $SMALL_FILE $BIG_FILE sb `pwd`/$MOUNT_DIR \
> ${OUT_FILE} 2>&1
sudo umount "$MOUNT_DIR"
rmdir "$MOUNT_DIR"
check_results $OUT_FILE $MD5_FILE_FS $SMALL_FILE $BIG_FILE \
$WRITE_FILE
TOTAL_FAIL=$((TOTAL_FAIL + FAIL))
TOTAL_PASS=$((TOTAL_PASS + PASS))
echo "Summary: PASS: $PASS FAIL: $FAIL"
echo "--------------------------------------------"
test_fs_nonfs nonfs
test_fs_nonfs fs
done
echo "Total Summary: TOTAL PASS: $TOTAL_PASS TOTAL FAIL: $TOTAL_FAIL"
echo "--------------------------------------------"
if [ $TOTAL_FAIL -eq 0 ]; then
echo "PASSED"
exit 0
else
echo "FAILED"
exit 1
fi
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