From nobody Mon Nov 10 20:50:38 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1558957638; cv=none; d=zoho.com; s=zohoarc; b=Da7sb0zHA+JUC8DfQqz6ZGtpM2nrnTz6QBbN5qoA4dBz8pHA9LB3c0yLdG0s9MHqePg94+2MtsoU5JBHAZoWyjPBvjsUywmXkXoldJ+MyvSCa6jze2nrS28actsRwS1e6FckxCYzh4gcQU3hqb+geEUBMWat/CrTY/bn+V9MFww= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1558957638; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=2ud7miD3hv8oyFKQaq1ZZmU5YdGSRmc3ihfycLgoemY=; b=lwHIjcPd6+yYnVtc6OgKEGu2Xzei9EkDiIxBIiwwbt2H0G/UEq1mbmOY8dVw/4R49PP/AsIRpIkdlDqy90tOR09x4Et2J6pyk9GSw3PO7R32d5QiY5Tgsonq/Tuo8yfTSQ7/PqD0xaACphgHVF6RTscQr/Rhhs12qCe25VTanJ8= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1558957638744731.4630475541061; Mon, 27 May 2019 04:47:18 -0700 (PDT) Received: from localhost ([127.0.0.1]:44069 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hVE5s-00060X-J0 for importer@patchew.org; Mon, 27 May 2019 07:47:08 -0400 Received: from eggs.gnu.org ([209.51.188.92]:37896) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hVE2C-0003PH-2k for qemu-devel@nongnu.org; Mon, 27 May 2019 07:43:21 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hVE2B-0003Zx-5z for qemu-devel@nongnu.org; Mon, 27 May 2019 07:43:20 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43880) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hVE29-0003Y5-32; Mon, 27 May 2019 07:43:17 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 546773079B92; Mon, 27 May 2019 11:43:16 +0000 (UTC) Received: from laptop.redhat.com (ovpn-116-67.ams2.redhat.com [10.36.116.67]) by smtp.corp.redhat.com (Postfix) with ESMTP id 410A45D962; Mon, 27 May 2019 11:43:11 +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: Mon, 27 May 2019 13:41:43 +0200 Message-Id: <20190527114203.2762-8-eric.auger@redhat.com> In-Reply-To: <20190527114203.2762-1-eric.auger@redhat.com> References: <20190527114203.2762-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.41]); Mon, 27 May 2019 11:43:16 +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] [RFC v4 07/27] hw/arm/smmuv3: Advertise VFIO_NESTED and MSI_TRANSLATE attributes 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: 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Virtual SMMUv3 requires physical nested stages for VFIO integration and translates MSIs. So let's advertise those attributes. Signed-off-by: Eric Auger --- v2 -> v3: - also advertise MSI_TRANSLATE --- hw/arm/smmuv3.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c index fd8ec7860e..761d722395 100644 --- a/hw/arm/smmuv3.c +++ b/hw/arm/smmuv3.c @@ -1490,6 +1490,20 @@ static void smmuv3_notify_flag_changed(IOMMUMemoryRe= gion *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; + } else if (attr =3D=3D IOMMU_ATTR_MSI_TRANSLATE) { + *(bool *) data =3D true; + return 0; + } + return -EINVAL; +} + static void smmuv3_iommu_memory_region_class_init(ObjectClass *klass, void *data) { @@ -1497,6 +1511,7 @@ static void smmuv3_iommu_memory_region_class_init(Obj= ectClass *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