547 lines
12 KiB
Bash
Executable File
547 lines
12 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# This validates that the kernel will load firmware out of its list of
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# firmware locations on disk. Since the user helper does similar work,
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# we reset the custom load directory to a location the user helper doesn't
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# know so we can be sure we're not accidentally testing the user helper.
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set -e
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TEST_REQS_FW_SYSFS_FALLBACK="no"
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TEST_REQS_FW_SET_CUSTOM_PATH="yes"
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TEST_DIR=$(dirname $0)
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source $TEST_DIR/fw_lib.sh
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RUN_XZ="xz -C crc32 --lzma2=dict=2MiB"
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RUN_ZSTD="zstd -q"
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check_mods
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check_setup
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verify_reqs
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setup_tmp_file
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trap "test_finish" EXIT
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if [ "$HAS_FW_LOADER_USER_HELPER" = "yes" ]; then
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# Turn down the timeout so failures don't take so long.
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echo 1 >/sys/class/firmware/timeout
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fi
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if printf '\000' >"$DIR"/trigger_request 2> /dev/null; then
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echo "$0: empty filename should not succeed" >&2
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exit 1
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fi
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if [ ! -e "$DIR"/trigger_async_request ]; then
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echo "$0: empty filename: async trigger not present, ignoring test" >&2
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exit $ksft_skip
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else
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if printf '\000' >"$DIR"/trigger_async_request 2> /dev/null; then
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echo "$0: empty filename should not succeed (async)" >&2
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exit 1
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fi
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fi
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# Request a firmware that doesn't exist, it should fail.
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if echo -n "nope-$NAME" >"$DIR"/trigger_request 2> /dev/null; then
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echo "$0: firmware shouldn't have loaded" >&2
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exit 1
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fi
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if diff -q "$FW" /dev/test_firmware >/dev/null ; then
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echo "$0: firmware was not expected to match" >&2
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exit 1
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else
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if [ "$HAS_FW_LOADER_USER_HELPER" = "yes" ]; then
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echo "$0: timeout works"
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fi
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fi
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# This should succeed via kernel load or will fail after 1 second after
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# being handed over to the user helper, which won't find the fw either.
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if ! echo -n "$NAME" >"$DIR"/trigger_request ; then
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echo "$0: could not trigger request" >&2
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exit 1
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fi
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# Verify the contents are what we expect.
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if ! diff -q "$FW" /dev/test_firmware >/dev/null ; then
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echo "$0: firmware was not loaded" >&2
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exit 1
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else
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echo "$0: filesystem loading works"
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fi
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# Try the asynchronous version too
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if [ ! -e "$DIR"/trigger_async_request ]; then
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echo "$0: firmware loading: async trigger not present, ignoring test" >&2
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exit $ksft_skip
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else
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if ! echo -n "$NAME" >"$DIR"/trigger_async_request ; then
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echo "$0: could not trigger async request" >&2
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exit 1
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fi
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# Verify the contents are what we expect.
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if ! diff -q "$FW" /dev/test_firmware >/dev/null ; then
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echo "$0: firmware was not loaded (async)" >&2
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exit 1
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else
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echo "$0: async filesystem loading works"
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fi
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fi
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# Try platform (EFI embedded fw) loading too
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if [ ! -e "$DIR"/trigger_request_platform ]; then
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echo "$0: firmware loading: platform trigger not present, ignoring test" >&2
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else
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if printf '\000' >"$DIR"/trigger_request_platform 2> /dev/null; then
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echo "$0: empty filename should not succeed (platform)" >&2
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exit 1
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fi
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# Note we echo a non-existing name, since files on the file-system
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# are preferred over firmware embedded inside the platform's firmware
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# The test adds a fake entry with the requested name to the platform's
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# fw list, so the name does not matter as long as it does not exist
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if ! echo -n "nope-$NAME" >"$DIR"/trigger_request_platform ; then
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echo "$0: could not trigger request platform" >&2
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exit 1
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fi
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# The test verifies itself that the loaded firmware contents matches
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# the contents for the fake platform fw entry it added.
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echo "$0: platform loading works"
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fi
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### Batched requests tests
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test_config_present()
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{
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if [ ! -f $DIR/reset ]; then
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echo "Configuration triggers not present, ignoring test"
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exit $ksft_skip
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fi
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}
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# Defaults :
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#
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# send_uevent: 1
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# sync_direct: 0
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# name: test-firmware.bin
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# num_requests: 4
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config_reset()
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{
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echo 1 > $DIR/reset
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}
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release_all_firmware()
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{
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echo 1 > $DIR/release_all_firmware
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}
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config_set_name()
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{
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echo -n $1 > $DIR/config_name
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}
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config_set_into_buf()
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{
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echo 1 > $DIR/config_into_buf
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}
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config_unset_into_buf()
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{
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echo 0 > $DIR/config_into_buf
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}
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config_set_buf_size()
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{
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echo $1 > $DIR/config_buf_size
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}
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config_set_file_offset()
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{
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echo $1 > $DIR/config_file_offset
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}
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config_set_partial()
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{
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echo 1 > $DIR/config_partial
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}
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config_unset_partial()
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{
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echo 0 > $DIR/config_partial
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}
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config_set_sync_direct()
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{
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echo 1 > $DIR/config_sync_direct
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}
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config_unset_sync_direct()
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{
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echo 0 > $DIR/config_sync_direct
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}
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config_set_uevent()
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{
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echo 1 > $DIR/config_send_uevent
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}
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config_unset_uevent()
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{
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echo 0 > $DIR/config_send_uevent
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}
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config_trigger_sync()
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{
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echo -n 1 > $DIR/trigger_batched_requests 2>/dev/null
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}
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config_trigger_async()
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{
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echo -n 1 > $DIR/trigger_batched_requests_async 2> /dev/null
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}
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config_set_read_fw_idx()
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{
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echo -n $1 > $DIR/config_read_fw_idx 2> /dev/null
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}
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read_firmwares()
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{
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if [ "$(cat $DIR/config_into_buf)" == "1" ]; then
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fwfile="$FW_INTO_BUF"
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else
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fwfile="$FW"
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fi
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if [ "$1" = "componly" ]; then
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fwfile="${fwfile}-orig"
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fi
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for i in $(seq 0 3); do
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config_set_read_fw_idx $i
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# Verify the contents are what we expect.
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# -Z required for now -- check for yourself, md5sum
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# on $FW and DIR/read_firmware will yield the same. Even
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# cmp agrees, so something is off.
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if ! diff -q -Z "$fwfile" $DIR/read_firmware 2>/dev/null ; then
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echo "request #$i: firmware was not loaded" >&2
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exit 1
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fi
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done
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}
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read_partial_firmwares()
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{
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if [ "$(cat $DIR/config_into_buf)" == "1" ]; then
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fwfile="${FW_INTO_BUF}"
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else
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fwfile="${FW}"
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fi
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if [ "$1" = "componly" ]; then
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fwfile="${fwfile}-orig"
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fi
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# Strip fwfile down to match partial offset and length
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partial_data="$(cat $fwfile)"
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partial_data="${partial_data:$2:$3}"
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for i in $(seq 0 3); do
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config_set_read_fw_idx $i
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read_firmware="$(cat $DIR/read_firmware)"
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# Verify the contents are what we expect.
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if [ $read_firmware != $partial_data ]; then
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echo "request #$i: partial firmware was not loaded" >&2
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exit 1
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fi
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done
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}
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read_firmwares_expect_nofile()
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{
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for i in $(seq 0 3); do
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config_set_read_fw_idx $i
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# Ensures contents differ
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if diff -q -Z "$FW" $DIR/read_firmware 2>/dev/null ; then
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echo "request $i: file was not expected to match" >&2
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exit 1
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fi
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done
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}
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test_batched_request_firmware_nofile()
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{
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echo -n "Batched request_firmware() nofile try #$1: "
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config_reset
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config_set_name nope-test-firmware.bin
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config_trigger_sync
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read_firmwares_expect_nofile
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release_all_firmware
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echo "OK"
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}
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test_batched_request_firmware_into_buf_nofile()
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{
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echo -n "Batched request_firmware_into_buf() nofile try #$1: "
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config_reset
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config_set_name nope-test-firmware.bin
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config_set_into_buf
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config_trigger_sync
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read_firmwares_expect_nofile
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release_all_firmware
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echo "OK"
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}
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test_request_partial_firmware_into_buf_nofile()
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{
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echo -n "Test request_partial_firmware_into_buf() off=$1 size=$2 nofile: "
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config_reset
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config_set_name nope-test-firmware.bin
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config_set_into_buf
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config_set_partial
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config_set_buf_size $2
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config_set_file_offset $1
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config_trigger_sync
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read_firmwares_expect_nofile
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release_all_firmware
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echo "OK"
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}
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test_batched_request_firmware_direct_nofile()
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{
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echo -n "Batched request_firmware_direct() nofile try #$1: "
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config_reset
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config_set_name nope-test-firmware.bin
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config_set_sync_direct
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config_trigger_sync
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release_all_firmware
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echo "OK"
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}
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test_request_firmware_nowait_uevent_nofile()
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{
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echo -n "Batched request_firmware_nowait(uevent=true) nofile try #$1: "
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config_reset
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config_set_name nope-test-firmware.bin
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config_trigger_async
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release_all_firmware
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echo "OK"
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}
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test_wait_and_cancel_custom_load()
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{
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if [ "$HAS_FW_LOADER_USER_HELPER" != "yes" ]; then
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return
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fi
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local timeout=10
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name=$1
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while [ ! -e "$DIR"/"$name"/loading ]; do
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sleep 0.1
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timeout=$(( $timeout - 1 ))
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if [ "$timeout" -eq 0 ]; then
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echo "firmware interface never appeared:" >&2
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echo "$DIR/$name/loading" >&2
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exit 1
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fi
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done
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echo -1 >"$DIR"/"$name"/loading
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}
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test_request_firmware_nowait_custom_nofile()
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{
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echo -n "Batched request_firmware_nowait(uevent=false) nofile try #$1: "
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config_reset
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config_unset_uevent
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RANDOM_FILE_PATH=$(setup_random_file_fake)
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RANDOM_FILE="$(basename $RANDOM_FILE_PATH)"
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config_set_name $RANDOM_FILE
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config_trigger_async &
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test_wait_and_cancel_custom_load $RANDOM_FILE
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wait
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release_all_firmware
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echo "OK"
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}
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test_batched_request_firmware()
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{
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echo -n "Batched request_firmware() $2 try #$1: "
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config_reset
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config_trigger_sync
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read_firmwares $2
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release_all_firmware
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echo "OK"
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}
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test_batched_request_firmware_into_buf()
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{
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echo -n "Batched request_firmware_into_buf() $2 try #$1: "
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config_reset
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config_set_name $TEST_FIRMWARE_INTO_BUF_FILENAME
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config_set_into_buf
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config_trigger_sync
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read_firmwares $2
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release_all_firmware
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echo "OK"
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}
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test_batched_request_firmware_direct()
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{
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echo -n "Batched request_firmware_direct() $2 try #$1: "
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config_reset
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config_set_sync_direct
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config_trigger_sync
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release_all_firmware
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echo "OK"
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}
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test_request_firmware_nowait_uevent()
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{
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echo -n "Batched request_firmware_nowait(uevent=true) $2 try #$1: "
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config_reset
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config_trigger_async
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release_all_firmware
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echo "OK"
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}
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test_request_firmware_nowait_custom()
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{
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echo -n "Batched request_firmware_nowait(uevent=false) $2 try #$1: "
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config_reset
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config_unset_uevent
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RANDOM_FILE_PATH=$(setup_random_file)
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RANDOM_FILE="$(basename $RANDOM_FILE_PATH)"
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if [ -n "$2" -a "$2" != "normal" ]; then
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compress_"$2"_"$COMPRESS_FORMAT" $RANDOM_FILE_PATH
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fi
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config_set_name $RANDOM_FILE
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config_trigger_async
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release_all_firmware
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echo "OK"
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}
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test_request_partial_firmware_into_buf()
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{
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echo -n "Test request_partial_firmware_into_buf() off=$1 size=$2: "
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config_reset
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config_set_name $TEST_FIRMWARE_INTO_BUF_FILENAME
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config_set_into_buf
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config_set_partial
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config_set_buf_size $2
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config_set_file_offset $1
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config_trigger_sync
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read_partial_firmwares normal $1 $2
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release_all_firmware
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echo "OK"
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}
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do_tests ()
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{
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mode="$1"
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suffix="$2"
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for i in $(seq 1 5); do
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test_batched_request_firmware$suffix $i $mode
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done
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for i in $(seq 1 5); do
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test_batched_request_firmware_into_buf$suffix $i $mode
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done
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for i in $(seq 1 5); do
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test_batched_request_firmware_direct$suffix $i $mode
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done
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for i in $(seq 1 5); do
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test_request_firmware_nowait_uevent$suffix $i $mode
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done
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for i in $(seq 1 5); do
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test_request_firmware_nowait_custom$suffix $i $mode
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done
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}
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# Only continue if batched request triggers are present on the
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# test-firmware driver
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test_config_present
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# test with the file present
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echo
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echo "Testing with the file present..."
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do_tests normal
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# Partial loads cannot use fallback, so do not repeat tests.
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test_request_partial_firmware_into_buf 0 10
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test_request_partial_firmware_into_buf 0 5
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test_request_partial_firmware_into_buf 1 6
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test_request_partial_firmware_into_buf 2 10
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# Test for file not found, errors are expected, the failure would be
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# a hung task, which would require a hard reset.
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echo
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echo "Testing with the file missing..."
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do_tests nofile _nofile
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# Partial loads cannot use fallback, so do not repeat tests.
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test_request_partial_firmware_into_buf_nofile 0 10
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test_request_partial_firmware_into_buf_nofile 0 5
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test_request_partial_firmware_into_buf_nofile 1 6
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test_request_partial_firmware_into_buf_nofile 2 10
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test_request_firmware_compressed ()
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{
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export COMPRESS_FORMAT="$1"
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# test with both files present
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compress_both_"$COMPRESS_FORMAT" $FW
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compress_both_"$COMPRESS_FORMAT" $FW_INTO_BUF
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config_set_name $NAME
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echo
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echo "Testing with both plain and $COMPRESS_FORMAT files present..."
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do_tests both
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# test with only compressed file present
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mv "$FW" "${FW}-orig"
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mv "$FW_INTO_BUF" "${FW_INTO_BUF}-orig"
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config_set_name $NAME
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echo
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echo "Testing with only $COMPRESS_FORMAT file present..."
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do_tests componly
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mv "${FW}-orig" "$FW"
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mv "${FW_INTO_BUF}-orig" "$FW_INTO_BUF"
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}
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compress_both_XZ ()
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{
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$RUN_XZ -k "$@"
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}
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compress_componly_XZ ()
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{
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$RUN_XZ "$@"
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}
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compress_both_ZSTD ()
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{
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$RUN_ZSTD -k "$@"
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}
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compress_componly_ZSTD ()
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{
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$RUN_ZSTD --rm "$@"
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}
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if test "$HAS_FW_LOADER_COMPRESS_XZ" = "yes"; then
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test_request_firmware_compressed XZ
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fi
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if test "$HAS_FW_LOADER_COMPRESS_ZSTD" = "yes"; then
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test_request_firmware_compressed ZSTD
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fi
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exit 0
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