diff options
Diffstat (limited to 'autotest/hardware_TPMFirmware/hardware_TPMFirmware.py')
-rw-r--r-- | autotest/hardware_TPMFirmware/hardware_TPMFirmware.py | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/autotest/hardware_TPMFirmware/hardware_TPMFirmware.py b/autotest/hardware_TPMFirmware/hardware_TPMFirmware.py new file mode 100644 index 00000000..9fc9a82a --- /dev/null +++ b/autotest/hardware_TPMFirmware/hardware_TPMFirmware.py @@ -0,0 +1,61 @@ +# Copyright (c) 2010 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, os, re, sys, shutil +from autotest_lib.client.bin import test, utils + +class hardware_TPMFirmware(test.test): + """ + Test of TPM functionality needed in firmware (client side of the test). + See also server/site_tests/hardware_TPMFirmwareServer. + """ + version = 1 + preserve_srcdir = True + + # Cross-compiles TLCL test suite and other needed code. + # TODO(semenzato): tpm_takeownership is currently available by making + # tpm-tools an RDEPEND in the autotest ebuild. See that file for a + # better way. + def setup(self): + sysroot = os.environ['SYSROOT'] + bin_path = os.path.join(sysroot, 'usr/sbin/tpm_takeownership') + shutil.copy(bin_path, self.bindir) + utils.make('-C %s' % self.srcdir) + + + # Runs a command, logs the output, and returns the exit status. + def tpm_run(self, cmd, ignore_status=False): + output = utils.run(cmd, ignore_status=ignore_status) + logging.info(output) + self.job.set_state("client_status", output.exit_status) + + + # Sets up the system (if it isn't already) to run the tpm binaries. This + # is mostly needed after a reboot. We don't rely on the system booting in + # any particular state. + def tpm_setup(self, with_tcsd=False): + utils.run('mknod /dev/tpm c 10 224', ignore_status=True) + utils.run('mknod /dev/tpm0 c 10 224', ignore_status=True) + utils.run('modprobe tpm_tis force=1 interrupts=0', ignore_status=True) + + if (with_tcsd): + utils.run('/usr/sbin/tcsd') + else: + # It will be a problem if upstart automatically restarts tcsd. + utils.run('pkill tcsd', ignore_status=True) + + + def run_once(self, subtest='None'): + logging.info("Running TPM firmware client subtest %s", subtest) + if (subtest == 'setup'): + self.tpm_setup() + self.tpm_write_status(0) + elif (subtest == 'takeownership'): + self.tpm_setup(with_tcsd=True) + own_cmd = os.path.join(self.bindir, "tpm_takeownership -y -z") + self.tpm_run(own_cmd) + else: + self.tpm_setup() + cmd = os.path.join(self.srcdir, subtest) + self.tpm_run(cmd, ignore_status=True) |