From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38127) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WxCem-0004pG-ON for qemu-devel@nongnu.org; Wed, 18 Jun 2014 05:59:53 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WxCel-0003SN-TA for qemu-devel@nongnu.org; Wed, 18 Jun 2014 05:59:52 -0400 Received: from mx1.redhat.com ([209.132.183.28]:34904) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WxCel-0003SH-KF for qemu-devel@nongnu.org; Wed, 18 Jun 2014 05:59:51 -0400 From: Stefan Hajnoczi Date: Wed, 18 Jun 2014 17:58:32 +0800 Message-Id: <1403085516-10340-6-git-send-email-stefanha@redhat.com> In-Reply-To: <1403085516-10340-1-git-send-email-stefanha@redhat.com> References: <1403085516-10340-1-git-send-email-stefanha@redhat.com> Subject: [Qemu-devel] [PATCH v4 5/9] qdev: add qdev_alias_all_properties() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: cornelia.huck@de.ibm.com, Paolo Bonzini , peter.crosthwaite@xilinx.com, Andreas Faerber , Stefan Hajnoczi 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 --- v3: * Split qdev_alias_all_properties() into its own patch [Peter Crosthwaite] * Do not dereference DEVICE_CLASS(class) inline [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 e65a5aa..850cd9e 100644 --- a/hw/core/qdev.c +++ b/hw/core/qdev.c @@ -776,6 +776,27 @@ 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 c962b6b..3726bf3 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 -- 1.9.3