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qdev: hotplug: Introduce HotplugHandler.pre_plug() callback

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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 <imammedo@redhat.com>
Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Igor Mammedov 2016-05-12 09:18:15 +05:30 • committed by David Gibson
parent 2e11b15dff
commit 41346263c4
3 changed files with 32 additions and 2 deletions
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9
hw/core/qdev.c
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@ -902,6 +902,14 @@ static void device_set_realized(Object *obj, bool value, Error **errp)
g_free(name);
}
hotplug_ctrl = qdev_get_hotplug_handler(dev);
if (hotplug_ctrl) {
hotplug_handler_pre_plug(hotplug_ctrl, dev, &local_err);
if (local_err != NULL) {
goto fail;
}
}
if (dc->realize) {
dc->realize(dev, &local_err);
}
@ -912,7 +920,6 @@ static void device_set_realized(Object *obj, bool value, Error **errp)
DEVICE_LISTENER_CALL(realize, Forward, dev);
hotplug_ctrl = qdev_get_hotplug_handler(dev);
if (hotplug_ctrl) {
hotplug_handler_plug(hotplug_ctrl, dev, &local_err);
}