Add a script to quickly parse any TPM error code. This can be useful, e.g. when parsing klog output when TPM fails in an internal kernel operation.

Example transcript:

$ python3 tpm2-parse-error.py 0x1C4 TPM_RC_VALUE: rc=0x000001c4

Signed-off-by: Jarkko Sakkinen jarkko@kernel.org --- tools/testing/selftests/tpm2/Makefile | 2 +- .../testing/selftests/tpm2/tpm2-parse-error.py | 17 +++++++++++++++++ 2 files changed, 18 insertions(+), 1 deletion(-) create mode 100644 tools/testing/selftests/tpm2/tpm2-parse-error.py

diff --git a/tools/testing/selftests/tpm2/Makefile b/tools/testing/selftests/tpm2/Makefile index a9bf9459fb25..b2c0504bcca6 100644 --- a/tools/testing/selftests/tpm2/Makefile +++ b/tools/testing/selftests/tpm2/Makefile @@ -2,4 +2,4 @@ include ../lib.mk

TEST_PROGS := test_smoke.sh test_space.sh test_async.sh -TEST_PROGS_EXTENDED := tpm2.py tpm2_tests.py +TEST_PROGS_EXTENDED := tpm2.py tpm2_tests.py tpm2-parse-error diff --git a/tools/testing/selftests/tpm2/tpm2-parse-error.py b/tools/testing/selftests/tpm2/tpm2-parse-error.py new file mode 100644 index 000000000000..8eed72681af1 --- /dev/null +++ b/tools/testing/selftests/tpm2/tpm2-parse-error.py @@ -0,0 +1,17 @@ +#!/usr/bin/env python3 +# SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) + +from argparse import ArgumentParser +from argparse import FileType +import os +import sys +import tpm2 + +def main(): + parser = ArgumentParser(description='Parse a TPM error code') + parser.add_argument('rc', type=(lambda x: int(x, 0))) + args = parser.parse_args() + print(str(tpm2.ProtocolError(None, args.rc))) + +if __name__ == '__main__': + main()