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 <stefanha@redhat.com>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index d1eba3c..732e729 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -780,6 +780,27 @@
}
}
+/* @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);
