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Message-Id: <20230819162540.5717-1-jarkko@kernel.org>
Date: Sat, 19 Aug 2023 16:25:37 +0000
From: Jarkko Sakkinen <jarkko@...nel.org>
To: Shuah Khan <shuah@...nel.org>
Cc: Jarkko Sakkinen <jarkko@...nel.org>,
NĂcolas F. R. A. Prado
<nfraprado@...labora.com>,
linux-kernel@...r.kernel.org (open list),
linux-kselftest@...r.kernel.org (open list:KERNEL SELFTEST FRAMEWORK)
Subject: [PATCH v2] selftests/tpm2: tpm2-parse-error.py
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@...nel.org>
---
v2:
Makefile: s/tpm2-parse-error/tpm2-parse-error.py/
---
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..dbff77612785 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.py
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()
--
2.39.2
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