Commit 67cc7e0a authored by Stefan Hajnoczi's avatar Stefan Hajnoczi
Browse files

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: default avatarStefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: default avatarPeter Crosthwaite <peter.crosthwaite@xilinx.com>
parent ee512c6f

hw/core/qdev.c

+21 −0
Original line number Diff line number Diff line
@@ -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);

include/hw/qdev-properties.h

+2 −0
Original line number Diff line number Diff line
@@ -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