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 = "Chrome OS 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, suite:faft_bios, suite:faft_lv3, suite:faft_normal, suite:faft_bios_ec3po"
12SUITE = "faft,faft_bios,faft_normal,faft_lv3,faft_bios_ec3po"
13TIME = "SHORT"
14TEST_CATEGORY = "Functional"
15TEST_CLASS = "firmware"
16TEST_TYPE = "server"
17JOB_RETRIES = 4
18
19DOC = """
20This test requires a USB disk plugged-in, which contains a Chrome OS test
21image (built by "build_image --test"). In normal mode, this test rollbacks
22kernel A and results kernel B boot. It then rollbacks kernel B and
23results recovery boot. In developer mode, the firmware ignores kernel
24rollback check so it remains unchanged.
25"""
26
27args_dict = utils.args_to_dict(args)
28servo_args = hosts.CrosHost.get_servo_arguments(args_dict)
29
30def run_rollbackkernel(machine):
31    host = hosts.create_host(machine, servo_args=servo_args)
32    job.run_test("firmware_RollbackKernel", host=host, cmdline_args=args,
33                 disable_sysinfo=True, dev_mode=False, tag="normal")
34
35parallel_simple(run_rollbackkernel, machines)
36