From patchwork Thu Jul 11 17:39:27 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Auger X-Patchwork-Id: 11040567 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C4FFE14F6 for ; Thu, 11 Jul 2019 17:44:42 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B475E28AF9 for ; Thu, 11 Jul 2019 17:44:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9D6F428B1F; Thu, 11 Jul 2019 17:44:42 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 5BB1428B16 for ; Thu, 11 Jul 2019 17:44:42 +0000 (UTC) Received: from localhost ([::1]:44301 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hld7Z-0002mf-BF for patchwork-qemu-devel@patchwork.kernel.org; Thu, 11 Jul 2019 13:44:41 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39204) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hld5b-0002PD-FV for qemu-devel@nongnu.org; Thu, 11 Jul 2019 13:42:40 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hld5a-0006JS-3i for qemu-devel@nongnu.org; Thu, 11 Jul 2019 13:42:39 -0400 Received: from mx1.redhat.com ([209.132.183.28]:42376) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hld5X-00062Z-Ca; Thu, 11 Jul 2019 13:42:35 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C11E0C049598; Thu, 11 Jul 2019 17:42:17 +0000 (UTC) Received: from laptop.redhat.com (ovpn-116-46.ams2.redhat.com [10.36.116.46]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2D27060600; Thu, 11 Jul 2019 17:42:12 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, peter.maydell@linaro.org Date: Thu, 11 Jul 2019 19:39:27 +0200 Message-Id: <20190711173933.31203-24-eric.auger@redhat.com> In-Reply-To: <20190711173933.31203-1-eric.auger@redhat.com> References: <20190711173933.31203-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Thu, 11 Jul 2019 17:42:17 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [RFC v5 23/29] hw/arm/smmuv3: Advertise MSI_TRANSLATE attribute X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: drjones@redhat.com, yi.l.liu@intel.com, mst@redhat.com, jean-philippe.brucker@arm.com, zhangfei.gao@foxmail.com, peterx@redhat.com, alex.williamson@redhat.com, vincent.stehle@arm.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP The SMMUv3 has the peculiarity to translate MSI transactionss. let's advertise the corresponding attribute. Signed-off-by: Eric Auger --- --- hw/arm/smmuv3.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c index 517755aed5..9372b15b34 100644 --- a/hw/arm/smmuv3.c +++ b/hw/arm/smmuv3.c @@ -1499,6 +1499,9 @@ static int smmuv3_get_attr(IOMMUMemoryRegion *iommu, if (attr == IOMMU_ATTR_VFIO_NESTED) { *(bool *) data = true; return 0; + } else if (attr == IOMMU_ATTR_MSI_TRANSLATE) { + *(bool *) data = true; + return 0; } return -EINVAL; }