From patchwork Tue May 9 17:35:52 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= X-Patchwork-Id: 760276 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org 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 3wMn0t2TF6z9s65 for ; Wed, 10 May 2017 03:48:46 +1000 (AEST) Received: from localhost ([::1]:38688 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d89Fb-0000A3-Pc for incoming@patchwork.ozlabs.org; Tue, 09 May 2017 13:48:43 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45748) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d896L-0008DN-13 for qemu-devel@nongnu.org; Tue, 09 May 2017 13:39:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d896G-0004S7-6v for qemu-devel@nongnu.org; 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Tue, 9 May 2017 17:38:56 +0000 (UTC) From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= To: qemu-devel@nongnu.org Date: Tue, 9 May 2017 20:35:52 +0300 Message-Id: <20170509173559.31598-11-marcandre.lureau@redhat.com> In-Reply-To: <20170509173559.31598-1-marcandre.lureau@redhat.com> References: <20170509173559.31598-1-marcandre.lureau@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 [10.5.110.28]); Tue, 09 May 2017 17:39:03 +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] [PATCH 10/17] object: add uint property setter/getter 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: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , armbru@redhat.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Marc-André Lureau Reviewed-by: Markus Armbruster --- include/qom/object.h | 23 +++++++++++++++++++++++ qom/object.c | 33 +++++++++++++++++++++++++++++++++ 2 files changed, 56 insertions(+) diff --git a/include/qom/object.h b/include/qom/object.h index cd0f412ce9..abaeb8cf4e 100644 --- a/include/qom/object.h +++ b/include/qom/object.h @@ -1094,6 +1094,29 @@ int64_t object_property_get_int(Object *obj, const char *name, Error **errp); /** + * object_property_set_uint: + * @value: the value to be written to the property + * @name: the name of the property + * @errp: returns an error if this function fails + * + * Writes an unsigned integer value to a property. + */ +void object_property_set_uint(Object *obj, uint64_t value, + const char *name, Error **errp); + +/** + * object_property_get_uint: + * @obj: the object + * @name: the name of the property + * @errp: returns an error if this function fails + * + * Returns: the value of the property, converted to an unsigned integer, or 0 + * an error occurs (including when the property value is not an integer). + */ +uint64_t object_property_get_uint(Object *obj, const char *name, + Error **errp); + +/** * object_property_get_enum: * @obj: the object * @name: the name of the property diff --git a/qom/object.c b/qom/object.c index c1644dbcb7..a9259e330d 100644 --- a/qom/object.c +++ b/qom/object.c @@ -1221,6 +1221,39 @@ int64_t object_property_get_int(Object *obj, const char *name, return retval; } +void object_property_set_uint(Object *obj, uint64_t value, + const char *name, Error **errp) +{ + QNum *qn = qnum_from_uint(value); + object_property_set_qobject(obj, QOBJECT(qn), name, errp); + QDECREF(qn); +} + +uint64_t object_property_get_uint(Object *obj, const char *name, + Error **errp) +{ + QObject *ret = object_property_get_qobject(obj, name, errp); + Error *err = NULL; + QNum *qnum; + uint64_t retval; + + if (!ret) { + return 0; + } + qnum = qobject_to_qnum(ret); + if (qnum) { + retval = qnum_get_uint(qnum, &err); + } + + if (!qnum || err) { + error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "uint"); + retval = 0; + } + + qobject_decref(ret); + return retval; +} + typedef struct EnumProperty { const char * const *strings; int (*get)(Object *, Error **);