Autotest that the TPM is in a sane state.

autotest/client/hardware_TPMCheck/hardware_TPMCheck.py

+# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import os, re
+from autotest_lib.client.bin import test, utils
+from autotest_lib.client.common_lib import error
+
+def dict_from_command(command):
+    dict = {}
+    out = os.popen(command)
+    for linecr in out.readlines():
+        line = linecr.strip()
+        match = re.match("([^ ]+) (.*)", line)
+        k = match.group(1)
+        v = match.group(2)
+        dict[k] = v
+    return dict
+
+def expect(d, key, value):
+    if (d[key] != value):
+        utils.system("start tcsd", ignore_status=True)
+        raise error.TestError("expecting %s = %s, receiving %s = %s" %
+                              (key, value, key, d[key]))
+
+class hardware_TPMCheck(test.test):
+    version = 1
+
+    def run_once(self):
+        utils.system("stop tcsd", ignore_status=True)
+
+        d = dict_from_command("tpmc getvf");
+        expect(d, "deactivated", "0")
+        expect(d, "physicalPresence", "0")
+        expect(d, "physicalPresenceLock", "1")
+        expect(d, "bGlobalLock", "1")
+
+        d = dict_from_command("tpmc getpf");
+        expect(d, "disable", "0")
+        expect(d, "ownership", "1")
+        expect(d, "deactivated", "0")
+        expect(d, "physicalPresenceHWEnable", "0")
+        expect(d, "physicalPresenceCMDEnable", "1")
+        expect(d, "physicalPresenceLifetimeLock", "1")
+        expect(d, "nvLocked", "1")
+
+        utils.system("start tcsd", ignore_status=True)