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-rw-r--r--hw/acpi/ich9.c23
-rw-r--r--hw/acpi/piix4.c24
2 files changed, 45 insertions, 2 deletions
diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
index 853c9c4eb7..ed16940601 100644
--- a/hw/acpi/ich9.c
+++ b/hw/acpi/ich9.c
@@ -306,6 +306,21 @@ static void ich9_pm_set_memory_hotplug_support(Object *obj, bool value,
s->pm.acpi_memory_hotplug.is_enabled = value;
}
+static bool ich9_pm_get_cpu_hotplug_legacy(Object *obj, Error **errp)
+{
+ ICH9LPCState *s = ICH9_LPC_DEVICE(obj);
+
+ return s->pm.cpu_hotplug_legacy;
+}
+
+static void ich9_pm_set_cpu_hotplug_legacy(Object *obj, bool value,
+ Error **errp)
+{
+ ICH9LPCState *s = ICH9_LPC_DEVICE(obj);
+
+ s->pm.cpu_hotplug_legacy = value;
+}
+
static void ich9_pm_get_disable_s3(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
@@ -397,6 +412,7 @@ void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs *pm, Error **errp)
{
static const uint32_t gpe0_len = ICH9_PMIO_GPE0_LEN;
pm->acpi_memory_hotplug.is_enabled = true;
+ pm->cpu_hotplug_legacy = true;
pm->disable_s3 = 0;
pm->disable_s4 = 0;
pm->s4_val = 2;
@@ -412,6 +428,10 @@ void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs *pm, Error **errp)
ich9_pm_get_memory_hotplug_support,
ich9_pm_set_memory_hotplug_support,
NULL);
+ object_property_add_bool(obj, "cpu-hotplug-legacy",
+ ich9_pm_get_cpu_hotplug_legacy,
+ ich9_pm_set_cpu_hotplug_legacy,
+ NULL);
object_property_add(obj, ACPI_PM_PROP_S3_DISABLED, "uint8",
ich9_pm_get_disable_s3,
ich9_pm_set_disable_s3,
@@ -439,7 +459,8 @@ void ich9_pm_device_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
acpi_memory_plug_cb(hotplug_dev, &lpc->pm.acpi_memory_hotplug,
dev, errp);
- } else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
+ } else if (lpc->pm.cpu_hotplug_legacy &&
+ object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
legacy_acpi_cpu_plug_cb(hotplug_dev, &lpc->pm.gpe_cpu, dev, errp);
} else {
error_setg(errp, "acpi: device plug request for not supported device"
diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index c48cb1b91a..9ae3964099 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -86,6 +86,7 @@ typedef struct PIIX4PMState {
uint8_t disable_s4;
uint8_t s4_val;
+ bool cpu_hotplug_legacy;
AcpiCpuHotplug gpe_cpu;
MemHotplugState acpi_memory_hotplug;
@@ -351,7 +352,8 @@ static void piix4_device_plug_cb(HotplugHandler *hotplug_dev,
acpi_memory_plug_cb(hotplug_dev, &s->acpi_memory_hotplug, dev, errp);
} else if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) {
acpi_pcihp_device_plug_cb(hotplug_dev, &s->acpi_pci_hotplug, dev, errp);
- } else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
+ } else if (s->cpu_hotplug_legacy &&
+ object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
legacy_acpi_cpu_plug_cb(hotplug_dev, &s->gpe_cpu, dev, errp);
} else {
error_setg(errp, "acpi: device plug request for not supported device"
@@ -560,6 +562,21 @@ static const MemoryRegionOps piix4_gpe_ops = {
.endianness = DEVICE_LITTLE_ENDIAN,
};
+
+static bool piix4_get_cpu_hotplug_legacy(Object *obj, Error **errp)
+{
+ PIIX4PMState *s = PIIX4_PM(obj);
+
+ return s->cpu_hotplug_legacy;
+}
+
+static void piix4_set_cpu_hotplug_legacy(Object *obj, bool value, Error **errp)
+{
+ PIIX4PMState *s = PIIX4_PM(obj);
+
+ s->cpu_hotplug_legacy = value;
+}
+
static void piix4_acpi_system_hot_add_init(MemoryRegion *parent,
PCIBus *bus, PIIX4PMState *s)
{
@@ -570,6 +587,11 @@ static void piix4_acpi_system_hot_add_init(MemoryRegion *parent,
acpi_pcihp_init(OBJECT(s), &s->acpi_pci_hotplug, bus, parent,
s->use_acpi_pci_hotplug);
+ s->cpu_hotplug_legacy = true;
+ object_property_add_bool(OBJECT(s), "cpu-hotplug-legacy",
+ piix4_get_cpu_hotplug_legacy,
+ piix4_set_cpu_hotplug_legacy,
+ NULL);
legacy_acpi_cpu_hotplug_init(parent, OBJECT(s), &s->gpe_cpu,
PIIX4_CPU_HOTPLUG_IO_BASE);