| # Copyright (c) 2012 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 logging |
| from autotest_lib.server import utils |
| from autotest_lib.server.cros.faft.firmware_test import FirmwareTest |
| from autotest_lib.client.common_lib import error |
| |
| |
| class firmware_UpdateFirmwareVersion(FirmwareTest): |
| """ |
| Servo based firmware update test which checks the firmware version. |
| |
| This test requires a USB test image plugged in. The firmware id of |
| the current running firmware must matches the system shellball's, or user |
| can provide a shellball to do this test. In this way, the client will be |
| update with the given shellball first. On runtime, this test modifies the |
| firmware version of the shellball and runs autoupdate. Check firmware |
| version after boot with firmware B, and then recover firmware A and B to |
| original shellball. |
| """ |
| version = 1 |
| |
| def check_firmware_version(self, expected_ver): |
| """Checks the firmware version.""" |
| actual_ver = self.faft_client.bios.get_version( |
| 'b' if self.fw_vboot2 else 'a') |
| actual_tpm_fwver = self.faft_client.tpm.get_firmware_version() |
| if actual_ver != expected_ver or actual_tpm_fwver != expected_ver: |
| raise error.TestFail( |
| 'Firmware version should be %s,' |
| 'but got (fwver, tpm_fwver) = (%s, %s).' % |
| (expected_ver, actual_ver, actual_tpm_fwver)) |
| else: |
| logging.info( |
| 'Update success, now version is %s', |
| actual_ver) |
| |
| def initialize(self, host, cmdline_args): |
| """Setup the test""" |
| dict_args = utils.args_to_dict(cmdline_args) |
| shellball_path = dict_args.get('shellball', None) |
| super(firmware_UpdateFirmwareVersion, self).initialize( |
| host, cmdline_args) |
| self.switcher.setup_mode('normal') |
| self.backup_firmware() |
| self.setup_firmwareupdate_shellball(shellball_path) |
| |
| # Update firmware if needed |
| if shellball_path: |
| self.set_hardware_write_protect(enable=False) |
| self.faft_client.updater.run_factory_install() |
| self.switcher.mode_aware_reboot() |
| |
| self.setup_usbkey(usbkey=True) |
| |
| self._fwid = self.faft_client.updater.get_section_fwid() |
| |
| self.fw_ver_tpm = self.faft_client.tpm.get_firmware_version() |
| actual_ver = self.faft_client.bios.get_version('a') |
| logging.info('Origin version is %s', actual_ver) |
| self._update_version = actual_ver + 1 |
| logging.info('Firmware version will update to version %s', |
| self._update_version) |
| |
| self.faft_client.updater.resign_firmware(self._update_version) |
| self.faft_client.updater.repack_shellball('test') |
| |
| def cleanup(self): |
| """Cleanup after the test""" |
| try: |
| if self.faft_client.tpm.get_firmware_version() != self.fw_ver_tpm: |
| self.reboot_and_reset_tpm() |
| self.restore_firmware() |
| self.invalidate_firmware_setup() |
| except Exception as e: |
| logging.error("Caught exception: %s", str(e)) |
| super(firmware_UpdateFirmwareVersion, self).cleanup() |
| |
| def run_once(self): |
| """Runs a single iteration of the test.""" |
| logging.info("Update firmware with new version.") |
| self.check_state((self.checkers.crossystem_checker, { |
| 'fwid': self._fwid |
| })) |
| self.check_state((self.checkers.fw_tries_checker, 'A')) |
| self.faft_client.updater.run_autoupdate('test') |
| self.switcher.mode_aware_reboot() |
| |
| logging.info("Copy firmware form B to A.") |
| self.faft_client.updater.run_bootok('test') |
| self.check_state((self.checkers.fw_tries_checker, 'B')) |
| self.switcher.mode_aware_reboot() |
| |
| logging.info("Check firmware and TPM version, then recovery.") |
| self.check_state((self.checkers.fw_tries_checker, |
| 'B' if self.fw_vboot2 else 'A')) |
| self.check_firmware_version(self._update_version) |
| self.faft_client.updater.run_recovery() |
| self.reboot_and_reset_tpm() |
| |
| logging.info("Check Rollback version.") |
| self.check_state((self.checkers.crossystem_checker, { |
| 'fwid': self._fwid |
| })) |
| self.check_state((self.checkers.fw_tries_checker, |
| 'B' if self.fw_vboot2 else 'A')) |
| self.check_firmware_version(self._update_version - 1) |
