haraldwolff/qemu-patch-raspberry4
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pc: add cpu hotplug handler to PC_MACHINE

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Add cpu hotplug handler to PC_MACHINE, which will perform the acpi
cpu hotplug callback via hotplug_handler API.

Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
This commit is contained in:
Gu Zheng 2014-10-22 11:24:28 +08:00 committed by Michael S. Tsirkin
parent 08bba95bd3
commit 5279569eea
1 changed files with 27 additions and 1 deletions
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28
hw/i386/pc.c
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@ -1618,11 +1618,36 @@ out:
error_propagate(errp, local_err);
}
static void pc_cpu_plug(HotplugHandler *hotplug_dev,
DeviceState *dev, Error **errp)
{
HotplugHandlerClass *hhc;
Error *local_err = NULL;
PCMachineState *pcms = PC_MACHINE(hotplug_dev);
if (!dev->hotplugged) {
goto out;
}
if (!pcms->acpi_dev) {
error_setg(&local_err,
"cpu hotplug is not enabled: missing acpi device");
goto out;
}
hhc = HOTPLUG_HANDLER_GET_CLASS(pcms->acpi_dev);
hhc->plug(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &local_err);
out:
error_propagate(errp, local_err);
}
static void pc_machine_device_plug_cb(HotplugHandler *hotplug_dev,
DeviceState *dev, Error **errp)
{
if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
pc_dimm_plug(hotplug_dev, dev, errp);
} else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
pc_cpu_plug(hotplug_dev, dev, errp);
}
}
@ -1631,7 +1656,8 @@ static HotplugHandler *pc_get_hotpug_handler(MachineState *machine,
{
PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(machine);
if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM) ||
object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
return HOTPLUG_HANDLER(machine);
}