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acpi: add acpi=OnOffAuto machine property to x86 and arm virt

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Remove the global acpi_enabled bool and replace it with an
acpi OnOffAuto machine property.

qemu throws an error now if you use -no-acpi while the machine
type you are using doesn't support acpi in the first place.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20200320100136.11717-1-kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Gerd Hoffmann 2020-03-20 11:01:36 +01:00 • committed by Michael S. Tsirkin
parent 9d283f85d7
commit 17e89077b7
10 changed files with 78 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

2
hw/i386/acpi-build.c
View file

@ -3024,7 +3024,7 @@ void acpi_setup(void)
return;
}
if (!acpi_enabled) {
if (!x86_machine_is_acpi_enabled(X86_MACHINE(pcms))) {
ACPI_BUILD_DPRINTF("ACPI disabled. Bailing out.\n");
return;
}

4
hw/i386/pc.c
View file

@ -1297,7 +1297,7 @@ static void pc_memory_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
* but pcms->acpi_dev is still created. Check !acpi_enabled in
* addition to cover this case.
*/
if (!pcms->acpi_dev || !acpi_enabled) {
if (!pcms->acpi_dev || !x86_machine_is_acpi_enabled(X86_MACHINE(pcms))) {
error_setg(errp,
"memory hotplug is not enabled: missing acpi device or acpi disabled");
return;
@ -1351,7 +1351,7 @@ static void pc_memory_unplug_request(HotplugHandler *hotplug_dev,
* but pcms->acpi_dev is still created. Check !acpi_enabled in
* addition to cover this case.
*/
if (!pcms->acpi_dev || !acpi_enabled) {
if (!pcms->acpi_dev || !x86_machine_is_acpi_enabled(X86_MACHINE(pcms))) {
error_setg(&local_err,
"memory hotplug is not enabled: missing acpi device or acpi disabled");
goto out;

2
hw/i386/pc_piix.c
View file

@ -275,7 +275,7 @@ static void pc_init1(MachineState *machine,
pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
}
if (pcmc->pci_enabled && acpi_enabled) {
if (pcmc->pci_enabled && x86_machine_is_acpi_enabled(X86_MACHINE(pcms))) {
DeviceState *piix4_pm;
smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0);

32
hw/i386/x86.c
View file

@ -904,11 +904,37 @@ static void x86_machine_set_smm(Object *obj, Visitor *v, const char *name,
visit_type_OnOffAuto(v, name, &x86ms->smm, errp);
}
bool x86_machine_is_acpi_enabled(X86MachineState *x86ms)
{
if (x86ms->acpi == ON_OFF_AUTO_OFF) {
return false;
}
return true;
}
static void x86_machine_get_acpi(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
X86MachineState *x86ms = X86_MACHINE(obj);
OnOffAuto acpi = x86ms->acpi;
visit_type_OnOffAuto(v, name, &acpi, errp);
}
static void x86_machine_set_acpi(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
X86MachineState *x86ms = X86_MACHINE(obj);
visit_type_OnOffAuto(v, name, &x86ms->acpi, errp);
}
static void x86_machine_initfn(Object *obj)
{
X86MachineState *x86ms = X86_MACHINE(obj);
x86ms->smm = ON_OFF_AUTO_AUTO;
x86ms->acpi = ON_OFF_AUTO_AUTO;
x86ms->max_ram_below_4g = 0; /* use default */
x86ms->smp_dies = 1;
}
@ -937,6 +963,12 @@ static void x86_machine_class_init(ObjectClass *oc, void *data)
NULL, NULL, &error_abort);
object_class_property_set_description(oc, X86_MACHINE_SMM,
"Enable SMM", &error_abort);
object_class_property_add(oc, X86_MACHINE_ACPI, "OnOffAuto",
x86_machine_get_acpi, x86_machine_set_acpi,
NULL, NULL, &error_abort);
object_class_property_set_description(oc, X86_MACHINE_ACPI,
"Enable ACPI", &error_abort);
}
static const TypeInfo x86_machine_info = {