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authorIgor Mammedov <imammedo@redhat.com>2016-04-11 17:25:54 +0200
committerMichael S. Tsirkin <mst@redhat.com>2016-06-24 05:20:55 +0300
commit16bcab97eb9fc2d5f15e5c9ff6369f9d1d120b49 (patch)
treecbd676da50e1de85df9f934fcf4981be45a7d058 /hw/acpi/ich9.c
parentabd49bc2ed2f06bc1ea979b17e79e2fc52360de9 (diff)
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pc: piix4/ich9: add 'cpu-hotplug-legacy' property
It will be used to select which hotplug call-back is called and for switching from legacy mode into new one. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/acpi/ich9.c')
-rw-r--r--hw/acpi/ich9.c23
1 files changed, 22 insertions, 1 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"