pc: add cpu hotplug handler to PC_MACHINE
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>
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parent
08bba95bd3
commit
5279569eea
28
hw/i386/pc.c
28
hw/i386/pc.c
@ -1618,11 +1618,36 @@ out:
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error_propagate(errp, local_err);
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}
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static void pc_cpu_plug(HotplugHandler *hotplug_dev,
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DeviceState *dev, Error **errp)
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{
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HotplugHandlerClass *hhc;
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Error *local_err = NULL;
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PCMachineState *pcms = PC_MACHINE(hotplug_dev);
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if (!dev->hotplugged) {
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goto out;
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}
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if (!pcms->acpi_dev) {
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error_setg(&local_err,
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"cpu hotplug is not enabled: missing acpi device");
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goto out;
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}
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hhc = HOTPLUG_HANDLER_GET_CLASS(pcms->acpi_dev);
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hhc->plug(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &local_err);
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out:
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error_propagate(errp, local_err);
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}
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static void pc_machine_device_plug_cb(HotplugHandler *hotplug_dev,
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DeviceState *dev, Error **errp)
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{
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if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
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pc_dimm_plug(hotplug_dev, dev, errp);
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} else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
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pc_cpu_plug(hotplug_dev, dev, errp);
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}
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}
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@ -1631,7 +1656,8 @@ static HotplugHandler *pc_get_hotpug_handler(MachineState *machine,
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{
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PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(machine);
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if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
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if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM) ||
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object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
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return HOTPLUG_HANDLER(machine);
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}
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