From 9f117d41841e13ca29cc2a10ac03258339ea1f8b Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Wed, 5 Feb 2014 16:36:44 +0100 Subject: define hotplug interface Provide a generic hotplug interface for hotplug handlers. Intended for replacing hotplug mechanism used by PCI/PCIE/SHPC code and will be used for memory hotplug. Signed-off-by: Igor Mammedov Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/core/Makefile.objs | 1 + hw/core/hotplug.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 49 insertions(+) create mode 100644 hw/core/hotplug.c (limited to 'hw/core') diff --git a/hw/core/Makefile.objs b/hw/core/Makefile.objs index 950146c6ff..9e324befd6 100644 --- a/hw/core/Makefile.objs +++ b/hw/core/Makefile.objs @@ -2,6 +2,7 @@ common-obj-y += qdev.o qdev-properties.o # irq.o needed for qdev GPIO handling: common-obj-y += irq.o +common-obj-y += hotplug.o common-obj-$(CONFIG_EMPTY_SLOT) += empty_slot.o common-obj-$(CONFIG_XILINX_AXI) += stream.o diff --git a/hw/core/hotplug.c b/hw/core/hotplug.c new file mode 100644 index 0000000000..5573d9d2d9 --- /dev/null +++ b/hw/core/hotplug.c @@ -0,0 +1,48 @@ +/* + * Hotplug handler interface. + * + * Copyright (c) 2014 Red Hat Inc. + * + * Authors: + * Igor Mammedov , + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ +#include "hw/hotplug.h" +#include "qemu/module.h" + +void hotplug_handler_plug(HotplugHandler *plug_handler, + DeviceState *plugged_dev, + Error **errp) +{ + HotplugHandlerClass *hdc = HOTPLUG_HANDLER_GET_CLASS(plug_handler); + + if (hdc->plug) { + hdc->plug(plug_handler, plugged_dev, errp); + } +} + +void hotplug_handler_unplug(HotplugHandler *plug_handler, + DeviceState *plugged_dev, + Error **errp) +{ + HotplugHandlerClass *hdc = HOTPLUG_HANDLER_GET_CLASS(plug_handler); + + if (hdc->unplug) { + hdc->unplug(plug_handler, plugged_dev, errp); + } +} + +static const TypeInfo hotplug_handler_info = { + .name = TYPE_HOTPLUG_HANDLER, + .parent = TYPE_INTERFACE, + .class_size = sizeof(HotplugHandlerClass), +}; + +static void hotplug_handler_register_types(void) +{ + type_register_static(&hotplug_handler_info); +} + +type_init(hotplug_handler_register_types) -- cgit v1.2.1