From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9687CC0650E for ; Mon, 1 Jul 2019 09:36:46 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6E8B0206E0 for ; Mon, 1 Jul 2019 09:36:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6E8B0206E0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:56458 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hhsjt-0005S1-KO for qemu-devel@archiver.kernel.org; Mon, 01 Jul 2019 05:36:45 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:49731) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hhsep-0002c3-Le for qemu-devel@nongnu.org; Mon, 01 Jul 2019 05:31:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hhsek-0000U5-LV for qemu-devel@nongnu.org; Mon, 01 Jul 2019 05:31:31 -0400 Received: from mx1.redhat.com ([209.132.183.28]:41908) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hhsee-0000LP-6b; Mon, 01 Jul 2019 05:31:20 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 50F17308FE9A; Mon, 1 Jul 2019 09:31:09 +0000 (UTC) Received: from laptop.redhat.com (ovpn-116-89.ams2.redhat.com [10.36.116.89]) by smtp.corp.redhat.com (Postfix) with ESMTP id DBCB4BA4D; Mon, 1 Jul 2019 09:30:59 +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, peterx@redhat.com, pbonzini@redhat.com, alex.williamson@redhat.com Date: Mon, 1 Jul 2019 11:30:32 +0200 Message-Id: <20190701093034.18873-5-eric.auger@redhat.com> In-Reply-To: <20190701093034.18873-1-eric.auger@redhat.com> References: <20190701093034.18873-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.49]); Mon, 01 Jul 2019 09:31:14 +0000 (UTC) Content-Transfer-Encoding: quoted-printable 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] [PATCH v2 4/6] hw/arm/smmuv3: Advertise VFIO_NESTED 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Virtual SMMUv3 requires physical nested stages for VFIO integration. Advertise this attribute. Signed-off-by: Eric Auger --- --- hw/arm/smmuv3.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c index e96d5beb9a..384c02cb91 100644 --- a/hw/arm/smmuv3.c +++ b/hw/arm/smmuv3.c @@ -1490,6 +1490,17 @@ static void smmuv3_notify_flag_changed(IOMMUMemory= Region *iommu, } } =20 +static int smmuv3_get_attr(IOMMUMemoryRegion *iommu, + enum IOMMUMemoryRegionAttr attr, + void *data) +{ + if (attr =3D=3D IOMMU_ATTR_VFIO_NESTED) { + *(bool *) data =3D true; + return 0; + } + return -EINVAL; +} + static void smmuv3_iommu_memory_region_class_init(ObjectClass *klass, void *data) { @@ -1497,6 +1508,7 @@ static void smmuv3_iommu_memory_region_class_init(O= bjectClass *klass, =20 imrc->translate =3D smmuv3_translate; imrc->notify_flag_changed =3D smmuv3_notify_flag_changed; + imrc->get_attr =3D smmuv3_get_attr; } =20 static const TypeInfo smmuv3_type_info =3D { --=20 2.20.1