diff options
Diffstat (limited to 'tools/testing/selftests/firmware/fw_filesystem.sh')
| -rwxr-xr-x | tools/testing/selftests/firmware/fw_filesystem.sh | 241 |
1 files changed, 239 insertions, 2 deletions
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 |
