diff mbox series

selftests/tpm2: tpm2-parse-error.py

Message ID 20230819162135.4181-1-jarkko@kernel.org
State Superseded
Headers show
Series selftests/tpm2: tpm2-parse-error.py | expand

Commit Message

Jarkko Sakkinen Aug. 19, 2023, 4:21 p.m. UTC 
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 mbox series

Patch

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()