| # Copyright 2017 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. |
| |
| from cros.factory.probe.lib import cached_probe_function |
| from cros.factory.utils import process_utils |
| |
| |
| class GenericTPMFunction(cached_probe_function.CachedProbeFunction): |
| """Probe the generic TPM information.""" |
| |
| def GetCategoryFromArgs(self): |
| return None |
| |
| @classmethod |
| def ProbeAllDevices(cls): |
| tpm_data = [line.split(':') for line in |
| process_utils.CheckOutput('tpm_version').splitlines()] |
| tpm_dict = {key.strip(): value.strip() for key, value in tpm_data} |
| mfg = tpm_dict.get('Manufacturer Info', None) |
| version = tpm_dict.get('Chip Version', None) |
| if mfg is not None and version is not None: |
| return [{'manufacturer_info': mfg, 'version': version}] |
| return None |
