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 logging 6 7 from autotest_lib.server.cros import vboot_constants as vboot 8 from autotest_lib.server.cros.faft.firmware_test import FirmwareTest 9 10 11 class firmware_UserRequestRecovery(FirmwareTest): 12 """ 13 Servo based user request recovery boot test. 14 15 This test requires a USB disk plugged-in, which contains a Chrome OS test 16 image (built by "build_image --test"). On runtime, this test first requests 17 a recovery mode on next boot by setting the crossystem recovery_request 18 flag. It then triggers recovery mode by unplugging and plugging in the USB 19 disk and checks success of it. 20 """ 21 version = 1 22 23 def ensure_normal_boot(self): 24 """Ensure normal mode boot this time. 25 26 If not, it may be a test failure during step 2, try to recover to 27 normal mode by simply rebooting the machine. 28 """ 29 if not self.checkers.crossystem_checker( 30 {'mainfw_type': ('normal', 'developer')}): 31 self.switcher.mode_aware_reboot() 32 33 def initialize(self, host, cmdline_args, dev_mode=False, ec_wp=None): 34 super(firmware_UserRequestRecovery, self).initialize(host, cmdline_args, 35 ec_wp=ec_wp) 36 self.switcher.setup_mode('dev' if dev_mode else 'normal') 37 self.setup_usbkey(usbkey=True, host=True) 38 39 def cleanup(self): 40 try: 41 self.ensure_normal_boot() 42 except Exception as e: 43 logging.error("Caught exception: %s", str(e)) 44 super(firmware_UserRequestRecovery, self).cleanup() 45 46 def run_once(self, dev_mode=False): 47 logging.info("Request recovery boot.") 48 self.check_state((self.checkers.crossystem_checker, { 49 'mainfw_type': 'developer' if dev_mode else 'normal', 50 })) 51 # Execute on DUT: crossystem recovery_request=193 52 self.faft_client.system.request_recovery_boot() 53 # Execute from desktop: 54 # dut-control warm_reset:on sleep:0.5000 warm_reset:off 55 self.switcher.simple_reboot() 56 57 # DUT should be waiting for USB after reboot. 58 # Connect servo USB to DUT and DUT should boot from USB. 59 # dut-control usb_mux_sel1:dut_sees_usbkey 60 # bypass_rec_mode will issue power_state:rec if host did not response in 61 # delay_reboot_to_ping seconds, which may reset recovery_reason and 62 # fail this tests. 63 self.switcher.bypass_rec_mode() 64 self.switcher.wait_for_client() 65 66 logging.info("Expected recovery boot, request recovery again.") 67 self.check_state((self.checkers.crossystem_checker, { 68 'mainfw_type': 'recovery', 69 'recovery_reason' : vboot.RECOVERY_REASON['US_TEST'], 70 })) 71 72 self.faft_client.system.request_recovery_boot() 73 self.switcher.simple_reboot() 74 self.switcher.bypass_rec_mode() 75 self.switcher.wait_for_client() 76 77 logging.info("Expected recovery boot.") 78 self.check_state((self.checkers.crossystem_checker, { 79 'mainfw_type': 'recovery', 80 'recovery_reason' : vboot.RECOVERY_REASON['US_TEST'], 81 })) 82 self.switcher.mode_aware_reboot() 83 84 logging.info("Expected normal boot.") 85 self.check_state((self.checkers.crossystem_checker, { 86 'mainfw_type': 'developer' if dev_mode else 'normal', 87 })) 88
