From 41346263c4039fd2edca61c031c9396577693036 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Thu, 12 May 2016 09:18:15 +0530 Subject: qdev: hotplug: Introduce HotplugHandler.pre_plug() callback pre_plug callback is to be called before device.realize() is executed. This would allow to check/set device's properties from HotplugHandler. Signed-off-by: Igor Mammedov Signed-off-by: Bharata B Rao Reviewed-by: David Gibson Signed-off-by: David Gibson --- include/hw/hotplug.h | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'include/hw/hotplug.h') diff --git a/include/hw/hotplug.h b/include/hw/hotplug.h index da1d0e4ab8..c0db869f85 100644 --- a/include/hw/hotplug.h +++ b/include/hw/hotplug.h @@ -45,7 +45,8 @@ typedef void (*hotplug_fn)(HotplugHandler *plug_handler, * hardware (un)plug functions. * * @parent: Opaque parent interface. - * @plug: plug callback. + * @pre_plug: pre plug callback called at start of device.realize(true) + * @plug: plug callback called at end of device.realize(true). * @unplug_request: unplug request callback. * Used as a means to initiate device unplug for devices that * require asynchronous unplug handling. @@ -58,6 +59,7 @@ typedef struct HotplugHandlerClass { InterfaceClass parent; /* */ + hotplug_fn pre_plug; hotplug_fn plug; hotplug_fn unplug_request; hotplug_fn unplug; @@ -72,6 +74,16 @@ void hotplug_handler_plug(HotplugHandler *plug_handler, DeviceState *plugged_dev, Error **errp); +/** + * hotplug_handler_pre_plug: + * + * Call #HotplugHandlerClass.pre_plug callback of @plug_handler. + */ +void hotplug_handler_pre_plug(HotplugHandler *plug_handler, + DeviceState *plugged_dev, + Error **errp); + + /** * hotplug_handler_unplug_request: * -- cgit v1.2.3