qdev: Add simple/generic unplug callback for HotplugHandler

It will be used in shallow conversion from legacy hotplug
mechanism and eventually replace all the uses of old mechanism
DeviceClass::unplug = qdev_simple_unplug_cb()

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>

diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index 6479194..9f18520 100644 (file)
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -286,6 +286,11 @@ int qdev_simple_unplug_cb(DeviceState *dev)
     return 0;
 }
 
+void qdev_simple_device_unplug_cb(HotplugHandler *hotplug_dev,
+                                  DeviceState *dev, Error **errp)
+{
+    qdev_simple_unplug_cb(dev);
+}
 
 /* Like qdev_init(), but terminate program via error_report() instead of
    returning an error value.  This is okay during machine creation.

diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h
index 48a96d2..ba812c5 100644 (file)
--- a/include/hw/qdev-core.h
+++ b/include/hw/qdev-core.h
@@ -265,6 +265,8 @@ void qdev_set_legacy_instance_id(DeviceState *dev, int alias_id,
                                  int required_for_version);
 void qdev_unplug(DeviceState *dev, Error **errp);
 int qdev_simple_unplug_cb(DeviceState *dev);
+void qdev_simple_device_unplug_cb(HotplugHandler *hotplug_dev,
+                                  DeviceState *dev, Error **errp);
 void qdev_machine_creation_done(void);
 bool qdev_machine_modified(void);