From 16bcab97eb9fc2d5f15e5c9ff6369f9d1d120b49 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Mon, 11 Apr 2016 17:25:54 +0200 Subject: 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 Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/acpi/ich9.c | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) (limited to 'hw/acpi/ich9.c') 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" -- cgit v1.2.3