From 67cc7e0aaca835ed68cf3bd34f4d51a21232792f Mon Sep 17 00:00:00 2001 From: Stefan Hajnoczi Date: Wed, 18 Jun 2014 17:58:32 +0800 Subject: [PATCH] qdev: add qdev_alias_all_properties() The qdev_alias_all_properties() function creates QOM alias properties for each qdev property on a DeviceState. This is useful for parent objects that wish to forward property accesses to their children. Signed-off-by: Stefan Hajnoczi Reviewed-by: Peter Crosthwaite --- hw/core/qdev.c | 21 +++++++++++++++++++++ include/hw/qdev-properties.h | 2 ++ 2 files changed, 23 insertions(+) diff --git a/hw/core/qdev.c b/hw/core/qdev.c index d1eba3cc3d..732e7294c2 100644 --- a/hw/core/qdev.c +++ b/hw/core/qdev.c @@ -780,6 +780,27 @@ void qdev_property_add_static(DeviceState *dev, Property *prop, } } +/* @qdev_alias_all_properties - Add alias properties to the source object for + * all qdev properties on the target DeviceState. + */ +void qdev_alias_all_properties(DeviceState *target, Object *source) +{ + ObjectClass *class; + Property *prop; + + class = object_get_class(OBJECT(target)); + do { + DeviceClass *dc = DEVICE_CLASS(class); + + for (prop = dc->props; prop && prop->name; prop++) { + object_property_add_alias(source, prop->name, + OBJECT(target), prop->name, + &error_abort); + } + class = object_class_get_parent(class); + } while (class != object_class_by_name(TYPE_DEVICE)); +} + static bool device_get_realized(Object *obj, Error **errp) { DeviceState *dev = DEVICE(obj); diff --git a/include/hw/qdev-properties.h b/include/hw/qdev-properties.h index c962b6bbaa..3726bf331b 100644 --- a/include/hw/qdev-properties.h +++ b/include/hw/qdev-properties.h @@ -193,6 +193,8 @@ void error_set_from_qdev_prop_error(Error **errp, int ret, DeviceState *dev, */ void qdev_property_add_static(DeviceState *dev, Property *prop, Error **errp); +void qdev_alias_all_properties(DeviceState *target, Object *source); + /** * @qdev_prop_set_after_realize: * @dev: device -- 2.11.0