1# Copyright (c) 2012 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 5from autotest_lib.server import utils 6 7AUTHOR = "ChromeOS Team" 8NAME = "firmware_RollbackKernel" 9PURPOSE = "Servo based kernel rollback test." 10CRITERIA = "This test will fail if kernel rollback doesn't fail verification." 11ATTRIBUTES = "suite:faft_bios, suite:faft_bios_ro_qual, suite:faft_bios_rw_qual, suite:faft_lv3, suite:faft_normal, suite:faft_bios_tot" 12DEPENDENCIES = "servo_state:WORKING, servo_usb_state:NORMAL" 13TIME = "SHORT" 14TEST_CATEGORY = "Functional" 15TEST_CLASS = "firmware" 16TEST_TYPE = "server" 17JOB_RETRIES = 0 18PY_VERSION = 3 19 20DOC = """ 21This test requires a USB disk plugged-in, which contains a ChromeOS test 22image (built by "build_image --test"). In normal mode, this test rollbacks 23kernel A and results kernel B boot. It then rollbacks kernel B and 24results recovery boot. In developer mode, the firmware ignores kernel 25rollback check so it remains unchanged. 26""" 27 28args_dict = utils.args_to_dict(args) 29servo_args = hosts.CrosHost.get_servo_arguments(args_dict) 30 31def run_rollbackkernel(machine): 32 host = hosts.create_host(machine, servo_args=servo_args) 33 job.run_test("firmware_RollbackKernel", host=host, cmdline_args=args, 34 disable_sysinfo=True, dev_mode=False, tag="normal") 35 36parallel_simple(run_rollbackkernel, machines) 37