42 lines
1.6 KiB
Plaintext
42 lines
1.6 KiB
Plaintext
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# Copyright (c) 2021 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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AUTHOR = "ChromeOS Team"
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NAME = "firmware_CheckEOPState"
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PURPOSE = "Ensure that firmware told ME that the boot process is complete."
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ATTRIBUTES = "suite:faft_bios_ro_qual, suite:faft_bios_rw_qual"
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CRITERIA = "Fail if ME on Tiger Lake or later is not in post-boot state"
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TIME = "SHORT"
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TEST_CATEGORY = "Security"
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TEST_CLASS = "firmware"
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TEST_TYPE = "client"
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PY_VERSION = 3
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DOC = """
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Intel x86 CPUs come with a Management Engine (going by more complicated
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names sometimes, look for ME, CSE or CSME) that coordinates various
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tasks during boot and after.
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That coprocessor needs to know when the boot process is complete so
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it can reject privileged boot-only requests until next reboot.
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This test PASSES if the ME reports that it's in Post-Boot State.
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This test FAILS if any of the following is true:
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- The Intel microarchitecture isn't defined in client/bin/utils.py
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- The ME reports it's not in Post-Boot State. This is the main condition.
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- The ME's firmware supports a sufficiently new protocol but returns
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failure to execute the query, failure to understand the query, responded
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to a different query or returns an unexpectedly formatted response.
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- The kernel doesn't provide a /dev/mei0 device even though we expect
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it to be there.
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This test reports NA if any of the following is true:
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- The test is executed on non-Intel CPUs (e.g. AMD or ARM)
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- The ME reports an old protocol version where we can't query the
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state. (At least Sky Lake-E and older)
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"""
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job.run_test('firmware_CheckEOPState')
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