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-rwxr-xr-xtools/testing/selftests/firmware/fw_fallback.sh31
-rwxr-xr-xtools/testing/selftests/firmware/fw_filesystem.sh241
2 files changed, 270 insertions, 2 deletions
diff --git a/tools/testing/selftests/firmware/fw_fallback.sh b/tools/testing/selftests/firmware/fw_fallback.sh
index 2e4c22d5abf7..8f511035f783 100755
--- a/tools/testing/selftests/firmware/fw_fallback.sh
+++ b/tools/testing/selftests/firmware/fw_fallback.sh
@@ -134,6 +134,27 @@ load_fw_custom_cancel()
wait
}
+load_fw_fallback_with_child()
+{
+ local name="$1"
+ local file="$2"
+
+ # This is the value already set but we want to be explicit
+ echo 4 >/sys/class/firmware/timeout
+
+ sleep 1 &
+ SECONDS_BEFORE=$(date +%s)
+ echo -n "$name" >"$DIR"/trigger_request 2>/dev/null
+ SECONDS_AFTER=$(date +%s)
+ SECONDS_DELTA=$(($SECONDS_AFTER - $SECONDS_BEFORE))
+ if [ "$SECONDS_DELTA" -lt 4 ]; then
+ RET=1
+ else
+ RET=0
+ fi
+ wait
+ return $RET
+}
trap "test_finish" EXIT
@@ -221,4 +242,14 @@ else
echo "$0: cancelling custom fallback mechanism works"
fi
+set +e
+load_fw_fallback_with_child "nope-signal-$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
+
exit 0
diff --git a/tools/testing/selftests/firmware/fw_filesystem.sh b/tools/testing/selftests/firmware/fw_filesystem.sh
index e35691239350..7d8fd2e3695a 100755
--- a/tools/testing/selftests/firmware/fw_filesystem.sh
+++ b/tools/testing/selftests/firmware/fw_filesystem.sh
@@ -25,8 +25,9 @@ if [ ! -d $DIR ]; then
fi
# CONFIG_FW_LOADER_USER_HELPER has a sysfs class under /sys/class/firmware/
-# These days no one enables CONFIG_FW_LOADER_USER_HELPER so check for that
-# as an indicator for CONFIG_FW_LOADER_USER_HELPER.
+# These days most distros enable CONFIG_FW_LOADER_USER_HELPER but disable
+# CONFIG_FW_LOADER_USER_HELPER_FALLBACK. We use /sys/class/firmware/ as an
+# indicator for CONFIG_FW_LOADER_USER_HELPER.
HAS_FW_LOADER_USER_HELPER=$(if [ -d /sys/class/firmware/ ]; then echo yes; else echo no; fi)
if [ "$HAS_FW_LOADER_USER_HELPER" = "yes" ]; then
@@ -116,4 +117,240 @@ else
echo "$0: async filesystem loading works"
fi
+### Batched requests tests
+test_config_present()
+{
+ if [ ! -f $DIR/reset ]; then
+ echo "Configuration triggers not present, ignoring test"
+ exit 0
+ fi
+}
+
+# Defaults :
+#
+# send_uevent: 1
+# sync_direct: 0
+# name: test-firmware.bin
+# num_requests: 4
+config_reset()
+{
+ echo 1 > $DIR/reset
+}
+
+release_all_firmware()
+{
+ echo 1 > $DIR/release_all_firmware
+}
+
+config_set_name()
+{
+ echo -n $1 > $DIR/config_name
+}
+
+config_set_sync_direct()
+{
+ echo 1 > $DIR/config_sync_direct
+}
+
+config_unset_sync_direct()
+{
+ echo 0 > $DIR/config_sync_direct
+}
+
+config_set_uevent()
+{
+ echo 1 > $DIR/config_send_uevent
+}
+
+config_unset_uevent()
+{
+ echo 0 > $DIR/config_send_uevent
+}
+
+config_trigger_sync()
+{
+ echo -n 1 > $DIR/trigger_batched_requests 2>/dev/null
+}
+
+config_trigger_async()
+{
+ echo -n 1 > $DIR/trigger_batched_requests_async 2> /dev/null
+}
+
+config_set_read_fw_idx()
+{
+ echo -n $1 > $DIR/config_read_fw_idx 2> /dev/null
+}
+
+read_firmwares()
+{
+ for i in $(seq 0 3); do
+ config_set_read_fw_idx $i
+ # Verify the contents are what we expect.
+ # -Z required for now -- check for yourself, md5sum
+ # on $FW and DIR/read_firmware will yield the same. Even
+ # cmp agrees, so something is off.
+ if ! diff -q -Z "$FW" $DIR/read_firmware 2>/dev/null ; then
+ echo "request #$i: firmware was not loaded" >&2
+ exit 1
+ fi
+ done
+}
+
+read_firmwares_expect_nofile()
+{
+ for i in $(seq 0 3); do
+ config_set_read_fw_idx $i
+ # Ensures contents differ
+ if diff -q -Z "$FW" $DIR/read_firmware 2>/dev/null ; then
+ echo "request $i: file was not expected to match" >&2
+ exit 1
+ fi
+ done
+}
+
+test_batched_request_firmware_nofile()
+{
+ echo -n "Batched request_firmware() nofile try #$1: "
+ config_reset
+ config_set_name nope-test-firmware.bin
+ config_trigger_sync
+ read_firmwares_expect_nofile
+ release_all_firmware
+ echo "OK"
+}
+
+test_batched_request_firmware_direct_nofile()
+{
+ echo -n "Batched request_firmware_direct() nofile try #$1: "
+ config_reset
+ config_set_name nope-test-firmware.bin
+ config_set_sync_direct
+ config_trigger_sync
+ release_all_firmware
+ echo "OK"
+}
+
+test_request_firmware_nowait_uevent_nofile()
+{
+ echo -n "Batched request_firmware_nowait(uevent=true) nofile try #$1: "
+ config_reset
+ config_set_name nope-test-firmware.bin
+ config_trigger_async
+ release_all_firmware
+ echo "OK"
+}
+
+test_wait_and_cancel_custom_load()
+{
+ if [ "$HAS_FW_LOADER_USER_HELPER" != "yes" ]; then
+ return
+ fi
+ local timeout=10
+ name=$1
+ while [ ! -e "$DIR"/"$name"/loading ]; do
+ sleep 0.1
+ timeout=$(( $timeout - 1 ))
+ if [ "$timeout" -eq 0 ]; then
+ echo "firmware interface never appeared:" >&2
+ echo "$DIR/$name/loading" >&2
+ exit 1
+ fi
+ done
+ echo -1 >"$DIR"/"$name"/loading
+}
+
+test_request_firmware_nowait_custom_nofile()
+{
+ echo -n "Batched request_firmware_nowait(uevent=false) nofile try #$1: "
+ config_unset_uevent
+ config_set_name nope-test-firmware.bin
+ config_trigger_async &
+ test_wait_and_cancel_custom_load nope-test-firmware.bin
+ wait
+ release_all_firmware
+ echo "OK"
+}
+
+test_batched_request_firmware()
+{
+ echo -n "Batched request_firmware() try #$1: "
+ config_reset
+ config_trigger_sync
+ read_firmwares
+ release_all_firmware
+ echo "OK"
+}
+
+test_batched_request_firmware_direct()
+{
+ echo -n "Batched request_firmware_direct() try #$1: "
+ config_reset
+ config_set_sync_direct
+ config_trigger_sync
+ release_all_firmware
+ echo "OK"
+}
+
+test_request_firmware_nowait_uevent()
+{
+ echo -n "Batched request_firmware_nowait(uevent=true) try #$1: "
+ config_reset
+ config_trigger_async
+ release_all_firmware
+ echo "OK"
+}
+
+test_request_firmware_nowait_custom()
+{
+ echo -n "Batched request_firmware_nowait(uevent=false) try #$1: "
+ config_unset_uevent
+ config_trigger_async
+ release_all_firmware
+ echo "OK"
+}
+
+# Only continue if batched request triggers are present on the
+# test-firmware driver
+test_config_present
+
+# test with the file present
+echo
+echo "Testing with the file present..."
+for i in $(seq 1 5); do
+ test_batched_request_firmware $i
+done
+
+for i in $(seq 1 5); do
+ test_batched_request_firmware_direct $i
+done
+
+for i in $(seq 1 5); do
+ test_request_firmware_nowait_uevent $i
+done
+
+for i in $(seq 1 5); do
+ test_request_firmware_nowait_custom $i
+done
+
+# Test for file not found, errors are expected, the failure would be
+# a hung task, which would require a hard reset.
+echo
+echo "Testing with the file missing..."
+for i in $(seq 1 5); do
+ test_batched_request_firmware_nofile $i
+done
+
+for i in $(seq 1 5); do
+ test_batched_request_firmware_direct_nofile $i
+done
+
+for i in $(seq 1 5); do
+ test_request_firmware_nowait_uevent_nofile $i
+done
+
+for i in $(seq 1 5); do
+ test_request_firmware_nowait_custom_nofile $i
+done
+
exit 0