From nobody Mon Feb 9 00:02:23 2026 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=1555063896; cv=none; d=zoho.com; s=zohoarc; b=EhzBiNqDbO7FqGsBFdhxFxjUHY55r4Y2L+9IVV64EKzP+nTr9OuFlD7OKNz2UGeIFRYHP9LVT+DXhiKgAObUxFLSHXr+TOd0wy4Gym/dLHO52M0fNmq3BEeg6MqyBwgw+vUm5r5lpekgQcG8l70MnqEIEjE9D2+/EHqP+QTe33U= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1555063896; 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=nYhtzfw200B1krz2qXZLWSU/OmlfbODwSBf3ari3hyM=; b=eGJap1/mhD37zZSrYfOGQWTmMu5L1RlH9LSBywmDJQtoC4ib2B4MFPNgikmUiPaTFta28EqanpoD9ARZvi9glokqVe2iOOODYO29QtdGcgvyan6gOYzBBAq9q0YxH/9hYqYc1zgpFWhAC6gdKqTSXOXxk/Df1rpjcIIXaEWYEpk= 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 1555063896781150.7288186357424; Fri, 12 Apr 2019 03:11:36 -0700 (PDT) Received: from localhost ([127.0.0.1]:33625 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hEt9j-0007al-Nk for importer@patchew.org; Fri, 12 Apr 2019 06:11:35 -0400 Received: from eggs.gnu.org ([209.51.188.92]:37841) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hEt3K-000178-OJ for qemu-devel@nongnu.org; Fri, 12 Apr 2019 06:05:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hEt3J-0003vO-Pj for qemu-devel@nongnu.org; Fri, 12 Apr 2019 06:04:58 -0400 Received: from mx1.redhat.com ([209.132.183.28]:34964) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hEt3G-0003rz-OI; Fri, 12 Apr 2019 06:04:54 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 9590B8831E; Fri, 12 Apr 2019 10:04:52 +0000 (UTC) Received: from laptop.redhat.com (ovpn-117-161.ams2.redhat.com [10.36.117.161]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0554619C65; Fri, 12 Apr 2019 10:04:42 +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: Fri, 12 Apr 2019 12:03:33 +0200 Message-Id: <20190412100354.6409-7-eric.auger@redhat.com> In-Reply-To: <20190412100354.6409-1-eric.auger@redhat.com> References: <20190412100354.6409-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Fri, 12 Apr 2019 10:04:52 +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 v3 06/27] memory: add IOMMU_ATTR_MSI_TRANSLATE IOMMU memory region attribute 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: yi.l.liu@intel.com, mst@redhat.com, jean-philippe.brucker@arm.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" We introduce a new IOMMU Memory Region attribute, IOMMU_ATTR_MSI_TRANSLATE which tells whether the virtual IOMMU translates MSIs. ARM SMMU will expose this attribute since, as opposed to Intel DMAR, MSIs are translated as any other DMA requests. Signed-off-by: Eric Auger --- include/exec/memory.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/exec/memory.h b/include/exec/memory.h index e4ee1d8b9b..ac4d06379f 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -206,6 +206,7 @@ struct MemoryRegionOps { enum IOMMUMemoryRegionAttr { IOMMU_ATTR_SPAPR_TCE_FD, IOMMU_ATTR_VFIO_NESTED, + IOMMU_ATTR_MSI_TRANSLATE, }; =20 /** --=20 2.20.1