Home | History | Annotate | Download | only in hardware_TPMtspi 
      1 # Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
      2 # Use of this source code is governed by a BSD-style license that can be
      3 # found in the LICENSE file.
      4 
      5 import datetime
      6 from autotest_lib.client.bin import test
      7 from autotest_lib.client.common_lib import error, smogcheck_tpm, smogcheck_util
      8 
      9 
     10 class hardware_TPMtspi(test.test):
     11     version = 1
     12 
     13     def setup(self):
     14         smogcheck_util.enableI2C()
     15 
     16     def _prepareTpmController(self):
     17         """Prepare a TpmController instance for use.
     18 
     19         Returns:
     20           an operational TpmControler instance, ready to use.
     21         """
     22         try:
     23             return smogcheck_tpm.TpmController()
     24         except smogcheck_tpm.SmogcheckError, e:
     25             raise error.TestFail('Error creating a TpmController: %s', e)
     26 
     27     def run_once(self):
     28         self.tpm_obj = self._prepareTpmController()
     29 
     30         start_time = datetime.datetime.now()
     31         try:
     32             self.tpm_obj.setupContext()
     33             self.tpm_obj.getTpmVersion()
     34             self.tpm_obj.runTpmSelfTest()
     35 
     36             # TODO(tgao): uncomment to enable.
     37             #self.tpm_obj.takeTpmOwnership()
     38 
     39             # TODO(tgao): uncomment to enable.
     40             #self.tpm_obj.clearTpm()
     41 
     42             # TODO(tgao): uncomment to enable.
     43             #self.tpm_obj.setTpmActive('status')
     44 
     45             # TODO(tgao): uncomment to enable.
     46             #self.tpm_obj.setTpmActive('deactivate')
     47 
     48             # TODO(tgao): uncomment to enable.
     49             #self.tpm_obj.setTpmActive('activate')
     50 
     51             # TODO(tgao): uncomment to enable.
     52             #self.tpm_obj.setTpmActive('temp')
     53 
     54             # TODO(tgao): uncomment to enable.
     55             #self.tpm_obj.setTpmClearable('status')
     56 
     57             # TODO(tgao): uncomment to enable.
     58             #self.tpm_obj.setTpmClearable('owner')
     59 
     60             # TODO(tgao): uncomment to enable.
     61             #self.tpm_obj.setTpmClearable('force')
     62 
     63         except smogcheck_tpm.SmogcheckError, e:
     64             raise error.TestFail('Error: %r' % e)
     65         finally:
     66             # Close TPM context
     67             if self.tpm_obj.closeContext():
     68                 raise error.TestFail('Error closing tspi context')
     69 
     70         end_time = datetime.datetime.now()
     71         smogcheck_util.computeTimeElapsed(end_time, start_time)
     72