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test_firmware: expand on library with shared helpers

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This expands our library with as many things we could find which
both scripts we use share.

Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Luis R. Rodriguez 2018-03-10 06:14:53 -08:00 committed by Greg Kroah-Hartman
parent 2cd7a1c6dc
commit f5a614519e
3 changed files with 63 additions and 61 deletions
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31
tools/testing/selftests/firmware/fw_fallback.sh
View File

@ -6,30 +6,17 @@
# won't find so that we can do the load ourself manually.
set -e
TEST_REQS_FW_SYSFS_FALLBACK="yes"
TEST_REQS_FW_SET_CUSTOM_PATH="no"
TEST_DIR=$(dirname $0)
source $TEST_DIR/fw_lib.sh
check_mods
check_setup
verify_reqs
setup_tmp_file
HAS_FW_LOADER_USER_HELPER=$(kconfig_has CONFIG_FW_LOADER_USER_HELPER=y)
HAS_FW_LOADER_USER_HELPER_FALLBACK=$(kconfig_has CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y)
if [ "$HAS_FW_LOADER_USER_HELPER" = "yes" ]; then
OLD_TIMEOUT=$(cat /sys/class/firmware/timeout)
else
echo "usermode helper disabled so ignoring test"
exit 0
fi
FWPATH=$(mktemp -d)
FW="$FWPATH/test-firmware.bin"
test_finish()
{
echo "$OLD_TIMEOUT" >/sys/class/firmware/timeout
rm -f "$FW"
rmdir "$FWPATH"
}
trap "test_finish" EXIT
load_fw()
{
@ -168,12 +155,6 @@ load_fw_fallback_with_child()
return $RET
}
trap "test_finish" EXIT
# This is an unlikely real-world firmware content. :)
echo "ABCD0123" >"$FW"
NAME=$(basename "$FW")
test_syfs_timeout()
{
DEVPATH="$DIR"/"nope-$NAME"/loading

41
tools/testing/selftests/firmware/fw_filesystem.sh
View File

@ -6,38 +6,15 @@
# know so we can be sure we're not accidentally testing the user helper.
set -e
TEST_REQS_FW_SYSFS_FALLBACK="no"
TEST_REQS_FW_SET_CUSTOM_PATH="yes"
TEST_DIR=$(dirname $0)
source $TEST_DIR/fw_lib.sh
check_mods
# CONFIG_FW_LOADER_USER_HELPER has a sysfs class under /sys/class/firmware/
# These days most distros enable CONFIG_FW_LOADER_USER_HELPER but disable
# CONFIG_FW_LOADER_USER_HELPER_FALLBACK. We use /sys/class/firmware/ as an
# indicator for CONFIG_FW_LOADER_USER_HELPER.
HAS_FW_LOADER_USER_HELPER=$(if [ -d /sys/class/firmware/ ]; then echo yes; else echo no; fi)
if [ "$HAS_FW_LOADER_USER_HELPER" = "yes" ]; then
OLD_TIMEOUT=$(cat /sys/class/firmware/timeout)
fi
OLD_FWPATH=$(cat /sys/module/firmware_class/parameters/path)
FWPATH=$(mktemp -d)
FW="$FWPATH/test-firmware.bin"
test_finish()
{
if [ "$HAS_FW_LOADER_USER_HELPER" = "yes" ]; then
echo "$OLD_TIMEOUT" >/sys/class/firmware/timeout
fi
if [ "$OLD_FWPATH" = "" ]; then
OLD_FWPATH=" "
fi
echo -n "$OLD_FWPATH" >/sys/module/firmware_class/parameters/path
rm -f "$FW"
rmdir "$FWPATH"
}
check_setup
verify_reqs
setup_tmp_file
trap "test_finish" EXIT
@ -46,14 +23,6 @@ if [ "$HAS_FW_LOADER_USER_HELPER" = "yes" ]; then
echo 1 >/sys/class/firmware/timeout
fi
# Set the kernel search path.
echo -n "$FWPATH" >/sys/module/firmware_class/parameters/path
# This is an unlikely real-world firmware content. :)
echo "ABCD0123" >"$FW"
NAME=$(basename "$FW")
if printf '\000' >"$DIR"/trigger_request 2> /dev/null; then
echo "$0: empty filename should not succeed" >&2
exit 1

52
tools/testing/selftests/firmware/fw_lib.sh
View File

@ -43,6 +43,58 @@ check_mods()
fi
}
check_setup()
{
HAS_FW_LOADER_USER_HELPER="$(kconfig_has CONFIG_FW_LOADER_USER_HELPER=y)"
HAS_FW_LOADER_USER_HELPER_FALLBACK="$(kconfig_has CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y)"
if [ "$HAS_FW_LOADER_USER_HELPER" = "yes" ]; then
OLD_TIMEOUT="$(cat /sys/class/firmware/timeout)"
fi
OLD_FWPATH="$(cat /sys/module/firmware_class/parameters/path)"
}
verify_reqs()
{
if [ "$TEST_REQS_FW_SYSFS_FALLBACK" = "yes" ]; then
if [ ! "$HAS_FW_LOADER_USER_HELPER" = "yes" ]; then
echo "usermode helper disabled so ignoring test"
exit 0
fi
fi
}
setup_tmp_file()
{
FWPATH=$(mktemp -d)
FW="$FWPATH/test-firmware.bin"
echo "ABCD0123" >"$FW"
NAME=$(basename "$FW")
if [ "$TEST_REQS_FW_SET_CUSTOM_PATH" = "yes" ]; then
echo -n "$FWPATH" >/sys/module/firmware_class/parameters/path
fi
}
test_finish()
{
if [ "$HAS_FW_LOADER_USER_HELPER" = "yes" ]; then
echo "$OLD_TIMEOUT" >/sys/class/firmware/timeout
fi
if [ "$OLD_FWPATH" = "" ]; then
OLD_FWPATH=" "
fi
if [ "$TEST_REQS_FW_SET_CUSTOM_PATH" = "yes" ]; then
echo -n "$OLD_FWPATH" >/sys/module/firmware_class/parameters/path
fi
if [ -f $FW ]; then
rm -f "$FW"
fi
if [ -d $FWPATH ]; then
rm -rf "$FWPATH"
fi
}
kconfig_has()
{
if [ -f $PROC_CONFIG ]; then