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

Browse source 
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
Show stats Download patch file Download diff file Expand all files Collapse all files

2
hw/arm/virt-acpi-build.c
View file

@ -910,7 +910,7 @@ void virt_acpi_setup(VirtMachineState *vms)
return;
}
if (!acpi_enabled) {
if (!virt_is_acpi_enabled(vms)) {
trace_virt_acpi_setup();
return;
}

36
hw/arm/virt.c
View file

@ -67,6 +67,7 @@
#include "kvm_arm.h"
#include "hw/firmware/smbios.h"
#include "qapi/visitor.h"
#include "qapi/qapi-visit-common.h"
#include "standard-headers/linux/input.h"
#include "hw/arm/smmuv3.h"
#include "hw/acpi/acpi.h"
@ -1844,7 +1845,7 @@ static void machvirt_init(MachineState *machine)
create_pcie(vms);
if (has_ged && aarch64 && firmware_loaded && acpi_enabled) {
if (has_ged && aarch64 && firmware_loaded && virt_is_acpi_enabled(vms)) {
vms->acpi_dev = create_acpi_ged(vms);
} else {
create_gpio(vms);
@ -1934,6 +1935,31 @@ static void virt_set_its(Object *obj, bool value, Error **errp)
vms->its = value;
}
bool virt_is_acpi_enabled(VirtMachineState *vms)
{
if (vms->acpi == ON_OFF_AUTO_OFF) {
return false;
}
return true;
}
static void virt_get_acpi(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
VirtMachineState *vms = VIRT_MACHINE(obj);
OnOffAuto acpi = vms->acpi;
visit_type_OnOffAuto(v, name, &acpi, errp);
}
static void virt_set_acpi(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
VirtMachineState *vms = VIRT_MACHINE(obj);
visit_type_OnOffAuto(v, name, &vms->acpi, errp);
}
static char *virt_get_gic_version(Object *obj, Error **errp)
{
VirtMachineState *vms = VIRT_MACHINE(obj);
@ -2113,7 +2139,7 @@ static HotplugHandler *virt_machine_get_hotplug_handler(MachineState *machine,
if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_IOMMU_PCI)) {
VirtMachineState *vms = VIRT_MACHINE(machine);
if (!vms->bootinfo.firmware_loaded || !acpi_enabled) {
if (!vms->bootinfo.firmware_loaded || !virt_is_acpi_enabled(vms)) {
return HOTPLUG_HANDLER(machine);
}
}
@ -2184,6 +2210,12 @@ static void virt_machine_class_init(ObjectClass *oc, void *data)
mc->numa_mem_supported = true;
mc->auto_enable_numa_with_memhp = true;
mc->default_ram_id = "mach-virt.ram";
object_class_property_add(oc, "acpi", "OnOffAuto",
virt_get_acpi, virt_set_acpi,
NULL, NULL, &error_abort);
object_class_property_set_description(oc, "acpi",
"Enable ACPI", &error_abort);
}
static void virt_instance_init(Object *obj)

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 = {

1
include/hw/acpi/acpi.h
View file

@ -181,7 +181,6 @@ void acpi_send_gpe_event(ACPIREGS *ar, qemu_irq irq,
void acpi_update_sci(ACPIREGS *acpi_regs, qemu_irq irq);
/* acpi.c */
extern int acpi_enabled;
extern char unsigned *acpi_tables;
extern size_t acpi_tables_len;

2
include/hw/arm/virt.h
View file

@ -131,6 +131,7 @@ typedef struct {
bool highmem_ecam;
bool its;
bool virt;
OnOffAuto acpi;
VirtGICType gic_version;
VirtIOMMUType iommu;
uint16_t virtio_iommu_bdf;
@ -163,6 +164,7 @@ typedef struct {
OBJECT_CLASS_CHECK(VirtMachineClass, klass, TYPE_VIRT_MACHINE)
void virt_acpi_setup(VirtMachineState *vms);
bool virt_is_acpi_enabled(VirtMachineState *vms);
/* Return the number of used redistributor regions */
static inline int virt_gicv3_redist_region_count(VirtMachineState *vms)

3
include/hw/i386/x86.h
View file

@ -64,6 +64,7 @@ typedef struct {
unsigned smp_dies;
OnOffAuto smm;
OnOffAuto acpi;
/*
* Address space used by IOAPIC device. All IOAPIC interrupts
@ -74,6 +75,7 @@ typedef struct {
#define X86_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g"
#define X86_MACHINE_SMM "smm"
#define X86_MACHINE_ACPI "acpi"
#define TYPE_X86_MACHINE MACHINE_TYPE_NAME("x86")
#define X86_MACHINE(obj) \
@ -104,6 +106,7 @@ void x86_load_linux(X86MachineState *x86ms,
bool linuxboot_dma_enabled);
bool x86_machine_is_smm_enabled(X86MachineState *x86ms);
bool x86_machine_is_acpi_enabled(X86MachineState *x86ms);
/* Global System Interrupts */

4
softmmu/vl.c
View file

@ -144,7 +144,6 @@ static Chardev **serial_hds;
Chardev *parallel_hds[MAX_PARALLEL_PORTS];
int win2k_install_hack = 0;
int singlestep = 0;
int acpi_enabled = 1;
int no_hpet = 0;
int fd_bootchk = 1;
static int no_reboot;
@ -3516,7 +3515,8 @@ void qemu_init(int argc, char **argv, char **envp)
vnc_parse(optarg, &error_fatal);
break;
case QEMU_OPTION_no_acpi:
acpi_enabled = 0;
olist = qemu_find_opts("machine");
qemu_opts_parse_noisily(olist, "acpi=off", false);
break;
case QEMU_OPTION_no_hpet:
no_hpet = 1;