From patchwork Tue Oct 3 19:12:23 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Stefan Hajnoczi X-Patchwork-Id: 820995 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3y67x066rsz9sPs for ; Wed, 4 Oct 2017 06:13:40 +1100 (AEDT) Received: from localhost ([::1]:59933 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dzSdO-0001nL-Q1 for incoming@patchwork.ozlabs.org; Tue, 03 Oct 2017 15:13:38 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36642) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dzScd-0001mD-5w for qemu-devel@nongnu.org; Tue, 03 Oct 2017 15:12:52 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dzSca-0005ba-0R for qemu-devel@nongnu.org; Tue, 03 Oct 2017 15:12:51 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38056) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dzScZ-0005Zg-Q2 for qemu-devel@nongnu.org; Tue, 03 Oct 2017 15:12:47 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 724A013A98; Tue, 3 Oct 2017 19:12:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 724A013A98 Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=stefanha@redhat.com Received: from localhost (ovpn-117-57.ams2.redhat.com [10.36.117.57]) by smtp.corp.redhat.com (Postfix) with ESMTP id CDA055C89C; Tue, 3 Oct 2017 19:12:39 +0000 (UTC) From: Stefan Hajnoczi To: Date: Tue, 3 Oct 2017 15:12:23 -0400 Message-Id: <20171003191227.11845-2-stefanha@redhat.com> In-Reply-To: <20171003191227.11845-1-stefanha@redhat.com> References: <20171003191227.11845-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Tue, 03 Oct 2017 19:12:44 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 1/5] qom: provide root container for internal objs X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Markus Armbruster , Peter Xu , Stefan Hajnoczi , Paolo Bonzini , =?utf-8?q?Andreas_F=C3=A4rber?= Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Peter Xu We have object_get_objects_root() to keep user created objects, however no place for objects that will be used internally. Create such a container for internal objects. CC: Andreas Färber CC: Markus Armbruster CC: Paolo Bonzini Suggested-by: Daniel P. Berrange Signed-off-by: Peter Xu Reviewed-by: Fam Zheng Message-id: 20170928025958.1420-2-peterx@redhat.com Signed-off-by: Stefan Hajnoczi --- include/qom/object.h | 11 +++++++++++ qom/object.c | 11 +++++++++++ 2 files changed, 22 insertions(+) diff --git a/include/qom/object.h b/include/qom/object.h index f3e5cff37a..e0d9824415 100644 --- a/include/qom/object.h +++ b/include/qom/object.h @@ -1214,6 +1214,17 @@ Object *object_get_root(void); Object *object_get_objects_root(void); /** + * object_get_internal_root: + * + * Get the container object that holds internally used object + * instances. Any object which is put into this container must not be + * user visible, and it will not be exposed in the QOM tree. + * + * Returns: the internal object container + */ +Object *object_get_internal_root(void); + +/** * object_get_canonical_path_component: * * Returns: The final component in the object's canonical path. The canonical diff --git a/qom/object.c b/qom/object.c index 3e18537e9b..6a7bd9257b 100644 --- a/qom/object.c +++ b/qom/object.c @@ -1370,6 +1370,17 @@ Object *object_get_objects_root(void) return container_get(object_get_root(), "/objects"); } +Object *object_get_internal_root(void) +{ + static Object *internal_root; + + if (!internal_root) { + internal_root = object_new("container"); + } + + return internal_root; +} + static void object_get_child_property(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp)