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Diffstat (limited to 'tools/testing/selftests/firmware/fw_fallback.sh')
-rwxr-xr-xtools/testing/selftests/firmware/fw_fallback.sh172
1 files changed, 97 insertions, 75 deletions
diff --git a/tools/testing/selftests/firmware/fw_fallback.sh b/tools/testing/selftests/firmware/fw_fallback.sh
index 34a42c68ebfb..722cad91df74 100755
--- a/tools/testing/selftests/firmware/fw_fallback.sh
+++ b/tools/testing/selftests/firmware/fw_fallback.sh
@@ -175,96 +175,118 @@ trap "test_finish" EXIT
echo "ABCD0123" >"$FW"
NAME=$(basename "$FW")
-DEVPATH="$DIR"/"nope-$NAME"/loading
-
-# Test failure when doing nothing (timeout works).
-echo -n 2 >/sys/class/firmware/timeout
-echo -n "nope-$NAME" >"$DIR"/trigger_request 2>/dev/null &
-
-# Give the kernel some time to load the loading file, must be less
-# than the timeout above.
-sleep 1
-if [ ! -f $DEVPATH ]; then
- echo "$0: fallback mechanism immediately cancelled"
- echo ""
- echo "The file never appeared: $DEVPATH"
- echo ""
- echo "This might be a distribution udev rule setup by your distribution"
- echo "to immediately cancel all fallback requests, this must be"
- echo "removed before running these tests. To confirm look for"
- echo "a firmware rule like /lib/udev/rules.d/50-firmware.rules"
- echo "and see if you have something like this:"
- echo ""
- echo "SUBSYSTEM==\"firmware\", ACTION==\"add\", ATTR{loading}=\"-1\""
- echo ""
- echo "If you do remove this file or comment out this line before"
- echo "proceeding with these tests."
- exit 1
-fi
-
-if diff -q "$FW" /dev/test_firmware >/dev/null ; then
- echo "$0: firmware was not expected to match" >&2
- exit 1
-else
- echo "$0: timeout works"
-fi
-
-# Put timeout high enough for us to do work but not so long that failures
-# slow down this test too much.
-echo 4 >/sys/class/firmware/timeout
+test_syfs_timeout()
+{
+ DEVPATH="$DIR"/"nope-$NAME"/loading
+
+ # Test failure when doing nothing (timeout works).
+ echo -n 2 >/sys/class/firmware/timeout
+ echo -n "nope-$NAME" >"$DIR"/trigger_request 2>/dev/null &
+
+ # Give the kernel some time to load the loading file, must be less
+ # than the timeout above.
+ sleep 1
+ if [ ! -f $DEVPATH ]; then
+ echo "$0: fallback mechanism immediately cancelled"
+ echo ""
+ echo "The file never appeared: $DEVPATH"
+ echo ""
+ echo "This might be a distribution udev rule setup by your distribution"
+ echo "to immediately cancel all fallback requests, this must be"
+ echo "removed before running these tests. To confirm look for"
+ echo "a firmware rule like /lib/udev/rules.d/50-firmware.rules"
+ echo "and see if you have something like this:"
+ echo ""
+ echo "SUBSYSTEM==\"firmware\", ACTION==\"add\", ATTR{loading}=\"-1\""
+ echo ""
+ echo "If you do remove this file or comment out this line before"
+ echo "proceeding with these tests."
+ exit 1
+ fi
-# Load this script instead of the desired firmware.
-load_fw "$NAME" "$0"
-if diff -q "$FW" /dev/test_firmware >/dev/null ; then
- echo "$0: firmware was not expected to match" >&2
- exit 1
-else
- echo "$0: firmware comparison works"
-fi
+ if diff -q "$FW" /dev/test_firmware >/dev/null ; then
+ echo "$0: firmware was not expected to match" >&2
+ exit 1
+ else
+ echo "$0: timeout works"
+ fi
+}
-# Do a proper load, which should work correctly.
-load_fw "$NAME" "$FW"
-if ! diff -q "$FW" /dev/test_firmware >/dev/null ; then
- echo "$0: firmware was not loaded" >&2
- exit 1
-else
- echo "$0: fallback mechanism works"
-fi
+run_sysfs_main_tests()
+{
+ test_syfs_timeout
+ # Put timeout high enough for us to do work but not so long that failures
+ # slow down this test too much.
+ echo 4 >/sys/class/firmware/timeout
-load_fw_cancel "nope-$NAME" "$FW"
-if diff -q "$FW" /dev/test_firmware >/dev/null ; then
- echo "$0: firmware was expected to be cancelled" >&2
- exit 1
-else
- echo "$0: cancelling fallback mechanism works"
-fi
+ # Load this script instead of the desired firmware.
+ load_fw "$NAME" "$0"
+ if diff -q "$FW" /dev/test_firmware >/dev/null ; then
+ echo "$0: firmware was not expected to match" >&2
+ exit 1
+ else
+ echo "$0: firmware comparison works"
+ fi
-if load_fw_custom "$NAME" "$FW" ; then
+ # Do a proper load, which should work correctly.
+ load_fw "$NAME" "$FW"
if ! diff -q "$FW" /dev/test_firmware >/dev/null ; then
echo "$0: firmware was not loaded" >&2
exit 1
else
- echo "$0: custom fallback loading mechanism works"
+ echo "$0: fallback mechanism works"
fi
-fi
-if load_fw_custom_cancel "nope-$NAME" "$FW" ; then
+ load_fw_cancel "nope-$NAME" "$FW"
if diff -q "$FW" /dev/test_firmware >/dev/null ; then
echo "$0: firmware was expected to be cancelled" >&2
exit 1
else
- echo "$0: cancelling custom fallback mechanism works"
+ echo "$0: cancelling fallback mechanism works"
fi
-fi
-set +e
-load_fw_fallback_with_child "nope-signal-$NAME" "$FW"
-if [ "$?" -eq 0 ]; then
- echo "$0: SIGCHLD on sync ignored as expected" >&2
-else
- echo "$0: error - sync firmware request cancelled due to SIGCHLD" >&2
- exit 1
-fi
-set -e
+ set +e
+ load_fw_fallback_with_child "nope-signal-$NAME" "$FW"
+ if [ "$?" -eq 0 ]; then
+ echo "$0: SIGCHLD on sync ignored as expected" >&2
+ else
+ echo "$0: error - sync firmware request cancelled due to SIGCHLD" >&2
+ exit 1
+ fi
+ set -e
+}
+
+run_sysfs_custom_load_tests()
+{
+ if load_fw_custom "$NAME" "$FW" ; then
+ if ! diff -q "$FW" /dev/test_firmware >/dev/null ; then
+ echo "$0: firmware was not loaded" >&2
+ exit 1
+ else
+ echo "$0: custom fallback loading mechanism works"
+ fi
+ fi
+
+ if load_fw_custom "$NAME" "$FW" ; then
+ if ! diff -q "$FW" /dev/test_firmware >/dev/null ; then
+ echo "$0: firmware was not loaded" >&2
+ exit 1
+ else
+ echo "$0: custom fallback loading mechanism works"
+ fi
+ fi
+
+ if load_fw_custom_cancel "nope-$NAME" "$FW" ; then
+ if diff -q "$FW" /dev/test_firmware >/dev/null ; then
+ echo "$0: firmware was expected to be cancelled" >&2
+ exit 1
+ else
+ echo "$0: cancelling custom fallback mechanism works"
+ fi
+ fi
+}
+
+run_sysfs_main_tests
+run_sysfs_custom_load_tests
exit 0