Re: [PATCH v3 0/9] tests: Add test cases for TPM 1.2 ACPI tables

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

+Markus

On 7/12/21 5:47 PM, Stefan Berger wrote:
> 
> On 7/12/21 11:29 AM, Philippe Mathieu-Daudé wrote:
>> Hi Stefan,
>>
>> On 7/12/21 5:09 PM, Stefan Berger wrote:
>>> This series of patches adds test case for TPM 1.2 ACPI tables.
>>>
>>>    Stefan
>>>
>>> v3:
>>>    - Define enum TPMVersion for when CONFIG_TPM is not defined
>>>      affected patches 2 and 6
>> I think in 11fb99e6f48..e542b71805d we missed an extra patch
>> for qtests. Probably (untested):
> 
> Shouldn't we have seen test compilation errors already?
> 
> I didn't go down this route for the build system (as you show below)
> because in this series we are testing ACPI tables and I introduce the
> reference to enum TPMVersion here, which wasn't needed before. The
> alternative may be to go into 8/9 and eliminate all TPM code if
> CONFIG_TPM is not set. The introduction of the enum now passes the tests
> with --enable-tpm and --disable-tpm.
> 
> Otherwise the BIOS test are skipped due to this here:
> 
> 
> static void test_acpi_tcg_tpm(const char *machine, const char *tpm_if,
>                               uint64_t base, enum TPMVersion tpm_version)
> {
> #ifdef CONFIG_TPM
> [...]
> 
> #else
>     g_test_skip("TPM disabled");
> #endif
> }
> 
> So I didn't want to clutter this code with more #ifdef CONFIG_TPM but
> maybe that would be the right solution.

IMO the "right" solution is to check via QMP if TMP is supported
or not. This is now doable since commit caff255a546 ("tpm: Return
QMP error when TPM is disabled in build").

Long term we'd like to decouple the tests/ build from the various
QEMU configurations, and build the tests once.

>> -- >8 --
>> diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build
>> index ee7347b7275..eeaa0d7302b 100644
>> --- a/tests/qtest/meson.build
>> +++ b/tests/qtest/meson.build
>> @@ -60,10 +60,14 @@
>>     (config_all_devices.has_key('CONFIG_USB_UHCI') and
>>                       \
>>      config_all_devices.has_key('CONFIG_USB_EHCI') ?
>> ['usb-hcd-ehci-test'] : []) +            \
>>     (config_all_devices.has_key('CONFIG_USB_XHCI_NEC') ?
>> ['usb-hcd-xhci-test'] : []) +        \
>> -  (config_all_devices.has_key('CONFIG_TPM_CRB') ? ['tpm-crb-test'] :
>> []) +                  \
>> -  (config_all_devices.has_key('CONFIG_TPM_CRB') ?
>> ['tpm-crb-swtpm-test'] : []) +            \
>> -  (config_all_devices.has_key('CONFIG_TPM_TIS_ISA') ? ['tpm-tis-test']
>> : []) +              \
>> -  (config_all_devices.has_key('CONFIG_TPM_TIS_ISA') ?
>> ['tpm-tis-swtpm-test'] : []) +        \
>> +  (config_host.has_key('CONFIG_TPM') and \
>> +   config_all_devices.has_key('CONFIG_TPM_CRB') ? ['tpm-crb-test'] :
>> []) +                  \
>> +  (config_host.has_key('CONFIG_TPM') and \
>> +   config_all_devices.has_key('CONFIG_TPM_CRB') ?
>> ['tpm-crb-swtpm-test'] : []) +            \
>> +  (config_host.has_key('CONFIG_TPM') and \
>> +   config_all_devices.has_key('CONFIG_TPM_TIS_ISA') ? ['tpm-tis-test']
>> : []) +              \
>> +  (config_host.has_key('CONFIG_TPM') and \
>> +   config_all_devices.has_key('CONFIG_TPM_TIS_ISA') ?
>> ['tpm-tis-swtpm-test'] : []) +        \
>>     (config_all_devices.has_key('CONFIG_RTL8139_PCI') ? ['rtl8139-test']
>> : []) +              \
>>     (config_all_devices.has_key('CONFIG_E1000E_PCI_EXPRESS') ?
>> ['fuzz-e1000e-test'] : []) +   \
>>     (config_all_devices.has_key('CONFIG_ESP_PCI') ? ['am53c974-test'] :
>> []) +                 \
>> ---
>>
>> Cc'ing Paolo/Thomas because there surely exists a clever way to do it...
>>
>