From: Tang Chen <tangc...@cn.fujitsu.com> Implement unplug cb for pc-dimm. It remove the corresponding memory region, and unregister vmstat. At last, it calls memory unplug cb to reset memory status and do unparenting.
Signed-off-by: Zhu Guihua <zhugh.f...@cn.fujitsu.com> --- hw/i386/pc.c | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index ddc0190..4c03ee5 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1661,6 +1661,17 @@ out: error_propagate(errp, local_err); } +static void pc_dimm_unplug(HotplugHandler *hotplug_dev, + DeviceState *dev, Error **errp) +{ + PCMachineState *pcms = PC_MACHINE(hotplug_dev); + HotplugHandlerClass *hhc; + Error *local_err = NULL; + + hhc = HOTPLUG_HANDLER_GET_CLASS(pcms->acpi_dev); + hhc->unplug(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &local_err); +} + static void pc_cpu_plug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { @@ -1714,8 +1725,13 @@ static void pc_machine_device_unplug_request_cb(HotplugHandler *hotplug_dev, static void pc_machine_device_unplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { - error_setg(errp, "acpi: device unplug for not supported device" - " type: %s", object_get_typename(OBJECT(dev))); + if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { + pc_dimm_unplug(hotplug_dev, dev, errp); + object_unparent(OBJECT(dev)); + } else { + error_setg(errp, "acpi: device unplug for not supported device" + " type: %s", object_get_typename(OBJECT(dev))); + } } static HotplugHandler *pc_get_hotpug_handler(MachineState *machine, -- 1.9.3