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Re: [PATCH v7 11/12] tests/acpi: unit test exercising global pci hotplug


From: Igor Mammedov
Subject: Re: [PATCH v7 11/12] tests/acpi: unit test exercising global pci hotplug off for i440fx
Date: Thu, 17 Sep 2020 16:11:03 +0200

On Thu, 17 Sep 2020 15:39:46 +0530
Ani Sinha <ani@anisinha.ca> wrote:

> This change adds a unit test to exercise the case when hotplug is disabled
> both for pci root bus and the pci bridges by passing the following two
> switches to qemu:
> 
>   -global PIIX4_PM.acpi-root-pci-hotplug=off
>   -global PIIX4_PM.acpi-pci-hotplug-with-bridge-support=off
> 
> bios-tables-test-allowed-diff.h documents the fact that a new DSDT acpi gold
> master binary blob we need to be added to test this. We will do the actual
> addition in the next patch in the series.
> 
> Signed-off-by: Ani Sinha <ani@anisinha.ca>

Reviewed-by: Igor Mammedov <imammedo@redhat.com>

> ---
>  tests/qtest/bios-tables-test-allowed-diff.h |  1 +
>  tests/qtest/bios-tables-test.c              | 17 +++++++++++++++++
>  2 files changed, 18 insertions(+)
> 
> diff --git a/tests/qtest/bios-tables-test-allowed-diff.h 
> b/tests/qtest/bios-tables-test-allowed-diff.h
> index dfb8523c8b..dea61d94f1 100644
> --- a/tests/qtest/bios-tables-test-allowed-diff.h
> +++ b/tests/qtest/bios-tables-test-allowed-diff.h
> @@ -1 +1,2 @@
>  /* List of comma-separated changed AML files to ignore */
> +"tests/data/acpi/pc/DSDT.hpbrroot",
> diff --git a/tests/qtest/bios-tables-test.c b/tests/qtest/bios-tables-test.c
> index c970556795..3f7f1a8107 100644
> --- a/tests/qtest/bios-tables-test.c
> +++ b/tests/qtest/bios-tables-test.c
> @@ -768,6 +768,21 @@ static void test_acpi_piix4_no_bridge_hotplug(void)
>      free_test_data(&data);
>  }
>  
> +static void test_acpi_piix4_no_acpi_pci_hotplug(void)
> +{
> +    test_data data;
> +
> +    memset(&data, 0, sizeof(data));
> +    data.machine = MACHINE_PC;
> +    data.variant = ".hpbrroot";
> +    data.required_struct_types = base_required_struct_types;
> +    data.required_struct_types_len = ARRAY_SIZE(base_required_struct_types);
> +    test_acpi_one("-global PIIX4_PM.acpi-root-pci-hotplug=off "
> +                  "-global PIIX4_PM.acpi-pci-hotplug-with-bridge-support=off 
> "
> +                  "-device pci-bridge,chassis_nr=1", &data);
> +    free_test_data(&data);
> +}
> +
>  static void test_acpi_q35_tcg(void)
>  {
>      test_data data;
> @@ -1176,6 +1191,8 @@ int main(int argc, char *argv[])
>                         test_acpi_piix4_no_root_hotplug);
>          qtest_add_func("acpi/piix4/pci-hotplug/no_bridge_hotplug",
>                         test_acpi_piix4_no_bridge_hotplug);
> +        qtest_add_func("acpi/piix4/pci-hotplug/off",
> +                       test_acpi_piix4_no_acpi_pci_hotplug);
>          qtest_add_func("acpi/q35", test_acpi_q35_tcg);
>          qtest_add_func("acpi/q35/bridge", test_acpi_q35_tcg_bridge);
>          qtest_add_func("acpi/q35/mmio64", test_acpi_q35_tcg_mmio64);




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