41 lines
1.4 KiB
Python
41 lines
1.4 KiB
Python
# Copyright 2017 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import logging
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import time
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from autotest_lib.client.common_lib import error, utils
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from autotest_lib.client.common_lib.cros import tpm_utils
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from autotest_lib.server.cros.faft.firmware_test import FirmwareTest
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class firmware_ClearTPMOwnerAndReset(FirmwareTest):
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"""
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Reboot the EC almost immediately after the tpm owner has been cleared.
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Verify the device can handle this and that it does not boot into recovery.
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"""
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TIMEOUT=60
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def run_once(self, host):
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"""Clear the tpm owner, reboot the EC, and check the device boots"""
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tpm_utils.ClearTPMOwnerRequest(host)
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logging.info(tpm_utils.TPMStatus(host))
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host.reset_via_servo()
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end_time = time.time() + self.TIMEOUT
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while utils.ping(host.ip, deadline=5, tries=1):
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if time.time() > end_time:
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self.ec.reboot()
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raise error.TestFail('DUT failed to boot')
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logging.info('DUT is still down (no response to ping)')
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logging.info('DUT is up')
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self.check_state((self.checkers.crossystem_checker,
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{'mainfw_type': 'normal'}))
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if not self.faft_client.system.dev_tpm_present():
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raise error.TestError('/dev/tpm0 does not exist on the client')
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