On Wed, 16 Sep 2020 11:43:34 +0530 Ani Sinha <a...@anisinha.ca> wrote:
> This change adds a unit test to exercize 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. > > The following link contains the disassembly of the DSDT table after passing > the above > two switches to qemu: https://pastebin.ubuntu.com/p/WvpYYjpPN8/ > > Signed-off-by: Ani Sinha <a...@anisinha.ca> > --- > tests/qtest/bios-tables-test-allowed-diff.h | 1 + > tests/qtest/bios-tables-test.c | 19 ++++++++++++++++++- > 2 files changed, 19 insertions(+), 1 deletion(-) > > 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 7632cfe1be..4c834474ad 100644 > --- a/tests/qtest/bios-tables-test.c > +++ b/tests/qtest/bios-tables-test.c > @@ -768,6 +768,21 @@ static void test_acpi_piix4_bridge_hotplug(void) > free_test_data(&data); > } > > +static void test_acpi_piix4_bridge_root_hotplug(void) maybe better naming would be s/bridge_root_hotplug/no_acpi_pci_hotplug/ > +{ > + 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; > @@ -1172,8 +1187,10 @@ int main(int argc, char *argv[]) > qtest_add_func("acpi/q35/tpm-tis", test_acpi_q35_tcg_tpm_tis); > qtest_add_func("acpi/piix4", test_acpi_piix4_tcg); > qtest_add_func("acpi/piix4/bridge", test_acpi_piix4_tcg_bridge); > - qtest_add_func("acpi/piix4/hotplug", test_acpi_piix4_root_hotplug); > + qtest_add_func("acpi/piix4/roothotplug", > test_acpi_piix4_root_hotplug); > qtest_add_func("acpi/piix4/brhotplug", > test_acpi_piix4_bridge_hotplug); > + qtest_add_func("acpi/piix4/disablehp", how about: "pci-hotplug/off" > + test_acpi_piix4_bridge_root_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);