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Diffstat (limited to 'tests/functional/acpi-bits/bits-tests/testacpi.py2')
| -rw-r--r-- | tests/functional/acpi-bits/bits-tests/testacpi.py2 | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/tests/functional/acpi-bits/bits-tests/testacpi.py2 b/tests/functional/acpi-bits/bits-tests/testacpi.py2 new file mode 100644 index 0000000000..7bf9075c1b --- /dev/null +++ b/tests/functional/acpi-bits/bits-tests/testacpi.py2 @@ -0,0 +1,287 @@ +# Copyright (c) 2015, Intel Corporation +# All rights reserved. +# +# SPDX-License-Identifier: BSD-3-Clause +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are met: +# +# * Redistributions of source code must retain the above copyright notice, +# this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above copyright notice, +# this list of conditions and the following disclaimer in the documentation +# and/or other materials provided with the distribution. +# * Neither the name of Intel Corporation nor the names of its contributors +# may be used to endorse or promote products derived from this software +# without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR +# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON +# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +# This script runs only from the biosbits VM. + +"""Tests for ACPI""" + +import acpi +import bits +import bits.mwait +import struct +import testutil +import testsuite +import time + +def register_tests(): + testsuite.add_test("ACPI _MAT (Multiple APIC Table Entry) under Processor objects", test_mat, submenu="ACPI Tests") +# testsuite.add_test("ACPI _PSS (Pstate) table conformance tests", test_pss, submenu="ACPI Tests") +# testsuite.add_test("ACPI _PSS (Pstate) runtime tests", test_pstates, submenu="ACPI Tests") + testsuite.add_test("ACPI DSDT (Differentiated System Description Table)", test_dsdt, submenu="ACPI Tests") + testsuite.add_test("ACPI FACP (Fixed ACPI Description Table)", test_facp, submenu="ACPI Tests") + testsuite.add_test("ACPI HPET (High Precision Event Timer Table)", test_hpet, submenu="ACPI Tests") + testsuite.add_test("ACPI MADT (Multiple APIC Description Table)", test_apic, submenu="ACPI Tests") + testsuite.add_test("ACPI MPST (Memory Power State Table)", test_mpst, submenu="ACPI Tests") + testsuite.add_test("ACPI RSDP (Root System Description Pointer Structure)", test_rsdp, submenu="ACPI Tests") + testsuite.add_test("ACPI XSDT (Extended System Description Table)", test_xsdt, submenu="ACPI Tests") + +def test_mat(): + cpupaths = acpi.get_cpupaths() + apic = acpi.parse_apic() + procid_apicid = apic.procid_apicid + uid_x2apicid = apic.uid_x2apicid + for cpupath in cpupaths: + # Find the ProcId defined by the processor object + processor = acpi.evaluate(cpupath) + # Find the UID defined by the processor object's _UID method + uid = acpi.evaluate(cpupath + "._UID") + mat_buffer = acpi.evaluate(cpupath + "._MAT") + if mat_buffer is None: + continue + # Process each _MAT subtable + mat = acpi._MAT(mat_buffer) + for index, subtable in enumerate(mat): + if subtable.subtype == acpi.MADT_TYPE_LOCAL_APIC: + if subtable.flags.bits.enabled: + testsuite.test("{} Processor declaration ProcId = _MAT ProcId".format(cpupath), processor.ProcId == subtable.proc_id) + testsuite.print_detail("{} ProcId ({:#02x}) != _MAT ProcId ({:#02x})".format(cpupath, processor.ProcId, subtable.proc_id)) + testsuite.print_detail("Processor Declaration: {}".format(processor)) + testsuite.print_detail("_MAT entry[{}]: {}".format(index, subtable)) + if testsuite.test("{} with local APIC in _MAT has local APIC in MADT".format(cpupath), processor.ProcId in procid_apicid): + testsuite.test("{} ApicId derived using Processor declaration ProcId = _MAT ApicId".format(cpupath), procid_apicid[processor.ProcId] == subtable.apic_id) + testsuite.print_detail("{} ApicId derived from MADT ({:#02x}) != _MAT ApicId ({:#02x})".format(cpupath, procid_apicid[processor.ProcId], subtable.apic_id)) + testsuite.print_detail("Processor Declaration: {}".format(processor)) + testsuite.print_detail("_MAT entry[{}]: {}".format(index, subtable)) + if subtable.subtype == acpi.MADT_TYPE_LOCAL_X2APIC: + if subtable.flags.bits.enabled: + if testsuite.test("{} with x2Apic in _MAT has _UID".format(cpupath), uid is not None): + testsuite.test("{}._UID = _MAT UID".format(cpupath), uid == subtable.uid) + testsuite.print_detail("{}._UID ({:#x}) != _MAT UID ({:#x})".format(cpupath, uid, subtable.uid)) + testsuite.print_detail("_MAT entry[{}]: {}".format(index, subtable)) + if testsuite.test("{} with _MAT x2Apic has x2Apic in MADT".format(cpupath), subtable.uid in uid_x2apicid): + testsuite.test("{} x2ApicId derived from MADT using UID = _MAT x2ApicId".format(cpupath), uid_x2apicid[subtable.uid] == subtable.x2apicid) + testsuite.print_detail("{} x2ApicId derived from MADT ({:#02x}) != _MAT x2ApicId ({:#02x})".format(cpupath, uid_x2apicid[subtable.uid], subtable.x2apicid)) + testsuite.print_detail("_MAT entry[{}]: {}".format(index, subtable)) + +def test_pss(): + uniques = acpi.parse_cpu_method("_PSS") + # We special-case None here to avoid a double-failure for CPUs without a _PSS + testsuite.test("_PSS must be identical for all CPUs", len(uniques) <= 1 or (len(uniques) == 2 and None in uniques)) + for pss, cpupaths in uniques.iteritems(): + if not testsuite.test("_PSS must exist", pss is not None): + testsuite.print_detail(acpi.factor_commonprefix(cpupaths)) + testsuite.print_detail('No _PSS exists') + continue + + if not testsuite.test("_PSS must not be empty", pss.pstates): + testsuite.print_detail(acpi.factor_commonprefix(cpupaths)) + testsuite.print_detail('_PSS is empty') + continue + + testsuite.print_detail(acpi.factor_commonprefix(cpupaths)) + for index, pstate in enumerate(pss.pstates): + testsuite.print_detail("P[{}]: {}".format(index, pstate)) + + testsuite.test("_PSS must contain at most 16 Pstates", len(pss.pstates) <= 16) + testsuite.test("_PSS must have no duplicate Pstates", len(pss.pstates) == len(set(pss.pstates))) + + frequencies = [p.core_frequency for p in pss.pstates] + testsuite.test("_PSS must list Pstates in descending order of frequency", frequencies == sorted(frequencies, reverse=True)) + + testsuite.test("_PSS must have Pstates with no duplicate frequencies", len(frequencies) == len(set(frequencies))) + + dissipations = [p.power for p in pss.pstates] + testsuite.test("_PSS must list Pstates in descending order of power dissipation", dissipations == sorted(dissipations, reverse=True)) + +def test_pstates(): + """Execute and verify frequency for each Pstate in the _PSS""" + IA32_PERF_CTL = 0x199 + with bits.mwait.use_hint(), bits.preserve_msr(IA32_PERF_CTL): + cpupath_procid = acpi.find_procid() + cpupath_uid = acpi.find_uid() + apic = acpi.parse_apic() + procid_apicid = apic.procid_apicid + uid_x2apicid = apic.uid_x2apicid + def cpupath_apicid(cpupath): + if procid_apicid is not None: + procid = cpupath_procid.get(cpupath, None) + if procid is not None: + apicid = procid_apicid.get(procid, None) + if apicid is not None: + return apicid + if uid_x2apicid is not None: + uid = cpupath_uid.get(cpupath, None) + if uid is not None: + apicid = uid_x2apicid.get(uid, None) + if apicid is not None: + return apicid + return bits.cpus()[0] + + bclk = testutil.adjust_to_nearest(bits.bclk(), 100.0/12) * 1000000 + + uniques = acpi.parse_cpu_method("_PSS") + for pss, cpupaths in uniques.iteritems(): + if not testsuite.test("_PSS must exist", pss is not None): + testsuite.print_detail(acpi.factor_commonprefix(cpupaths)) + testsuite.print_detail('No _PSS exists') + continue + + for n, pstate in enumerate(pss.pstates): + for cpupath in cpupaths: + apicid = cpupath_apicid(cpupath) + if apicid is None: + print 'Failed to find apicid for cpupath {}'.format(cpupath) + continue + bits.wrmsr(apicid, IA32_PERF_CTL, pstate.control) + + # Detecting Turbo frequency requires at least 2 pstates + # since turbo frequency = max non-turbo frequency + 1 + turbo = False + if len(pss.pstates) >= 2: + turbo = (n == 0 and pstate.core_frequency == (pss.pstates[1].core_frequency + 1)) + if turbo: + # Needs to busywait, not sleep + start = time.time() + while (time.time() - start < 2): + pass + + for duration in (0.1, 1.0): + frequency_data = bits.cpu_frequency(duration) + # Abort the test if no cpu frequency is not available + if frequency_data is None: + continue + aperf = frequency_data[1] + aperf = testutil.adjust_to_nearest(aperf, bclk/2) + aperf = int(aperf / 1000000) + if turbo: + if aperf >= pstate.core_frequency: + break + else: + if aperf == pstate.core_frequency: + break + + if turbo: + testsuite.test("P{}: Turbo measured frequency {} >= expected {} MHz".format(n, aperf, pstate.core_frequency), aperf >= pstate.core_frequency) + else: + testsuite.test("P{}: measured frequency {} MHz == expected {} MHz".format(n, aperf, pstate.core_frequency), aperf == pstate.core_frequency) + +def test_psd_thread_scope(): + uniques = acpi.parse_cpu_method("_PSD") + if not testsuite.test("_PSD (P-State Dependency) must exist for each processor", None not in uniques): + testsuite.print_detail(acpi.factor_commonprefix(uniques[None])) + testsuite.print_detail('No _PSD exists') + return + unique_num_dependencies = {} + unique_num_entries = {} + unique_revision = {} + unique_domain = {} + unique_coordination_type = {} + unique_num_processors = {} + for value, cpupaths in uniques.iteritems(): + unique_num_dependencies.setdefault(len(value.dependencies), []).extend(cpupaths) + unique_num_entries.setdefault(value.dependencies[0].num_entries, []).extend(cpupaths) + unique_revision.setdefault(value.dependencies[0].revision, []).extend(cpupaths) + unique_domain.setdefault(value.dependencies[0].domain, []).extend(cpupaths) + unique_coordination_type.setdefault(value.dependencies[0].coordination_type, []).extend(cpupaths) + unique_num_processors.setdefault(value.dependencies[0].num_processors, []).extend(cpupaths) + def detail(d, fmt): + for value, cpupaths in sorted(d.iteritems(), key=(lambda (k,v): v)): + testsuite.print_detail(acpi.factor_commonprefix(cpupaths)) + testsuite.print_detail(fmt.format(value)) + + testsuite.test('Dependency count for each processor must be 1', unique_num_dependencies.keys() == [1]) + detail(unique_num_dependencies, 'Dependency count for each processor = {} (Expected 1)') + testsuite.test('_PSD.num_entries must be 5', unique_num_entries.keys() == [5]) + detail(unique_num_entries, 'num_entries = {} (Expected 5)') + testsuite.test('_PSD.revision must be 0', unique_revision.keys() == [0]) + detail(unique_revision, 'revision = {}') + testsuite.test('_PSD.coordination_type must be 0xFE (HW_ALL)', unique_coordination_type.keys() == [0xfe]) + detail(unique_coordination_type, 'coordination_type = {:#x} (Expected 0xFE HW_ALL)') + testsuite.test('_PSD.domain must be unique (thread-scoped) for each processor', len(unique_domain) == len(acpi.get_cpupaths())) + detail(unique_domain, 'domain = {:#x} (Expected a unique value for each processor)') + testsuite.test('_PSD.num_processors must be 1', unique_num_processors.keys() == [1]) + detail(unique_num_processors, 'num_processors = {} (Expected 1)') + +def test_table_checksum(data): + csum = sum(ord(c) for c in data) % 0x100 + testsuite.test('ACPI table cumulative checksum must equal 0', csum == 0) + testsuite.print_detail("Cumulative checksum = {} (Expected 0)".format(csum)) + +def test_apic(): + data = acpi.get_table("APIC") + if data is None: + return + test_table_checksum(data) + apic = acpi.parse_apic() + +def test_dsdt(): + data = acpi.get_table("DSDT") + if data is None: + return + test_table_checksum(data) + +def test_facp(): + data = acpi.get_table("FACP") + if data is None: + return + test_table_checksum(data) + facp = acpi.parse_facp() + +def test_hpet(): + data = acpi.get_table("HPET") + if data is None: + return + test_table_checksum(data) + hpet = acpi.parse_hpet() + +def test_mpst(): + data = acpi.get_table("MPST") + if data is None: + return + test_table_checksum(data) + mpst = acpi.MPST(data) + +def test_rsdp(): + data = acpi.get_table("RSD PTR ") + if data is None: + return + + # Checksum the first 20 bytes per ACPI 1.0 + csum = sum(ord(c) for c in data[:20]) % 0x100 + testsuite.test('ACPI 1.0 table first 20 bytes cumulative checksum must equal 0', csum == 0) + testsuite.print_detail("Cumulative checksum = {} (Expected 0)".format(csum)) + + test_table_checksum(data) + rsdp = acpi.parse_rsdp() + +def test_xsdt(): + data = acpi.get_table("XSDT") + if data is None: + return + test_table_checksum(data) + xsdt = acpi.parse_xsdt() |