From patchwork Fri Mar 20 16:58:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Auger X-Patchwork-Id: 11449903 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 289E4913 for ; Fri, 20 Mar 2020 17:02:24 +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 EED5420724 for ; Fri, 20 Mar 2020 17:02:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="gfPTA4NU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EED5420724 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:56292 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jFL2N-0007No-29 for patchwork-qemu-devel@patchwork.kernel.org; Fri, 20 Mar 2020 13:02:23 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54068) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jFKzx-0003ZN-Cz for qemu-devel@nongnu.org; Fri, 20 Mar 2020 12:59:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jFKzw-0004PU-Fi for qemu-devel@nongnu.org; Fri, 20 Mar 2020 12:59:53 -0400 Received: from us-smtp-delivery-74.mimecast.com ([216.205.24.74]:36864) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jFKzw-0004P0-Bf for qemu-devel@nongnu.org; Fri, 20 Mar 2020 12:59:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1584723592; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=WL0ZvBoB0+XeBxLRP2xltK9U+qv+Rol4ZQFL6ezhHPc=; b=gfPTA4NUel/YKaWx23b9cpEKJFRqUvJ6+AbtZdq3B8B5c8t2TuJ5vuHmSzethVIcMJXyHP MQ2iiB3icI1jaZGD4OEs5LdS8gahlaD/PG1BhGTFaq2x1gg/mi8Bh7/TkAQcYvlrrHsqQ6 EMtc7p9l4H4zvvLVklPosTcWj2FDN3Q= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-331-uswLVvt5Od6fSxHijmEw1Q-1; Fri, 20 Mar 2020 12:59:50 -0400 X-MC-Unique: uswLVvt5Od6fSxHijmEw1Q-1 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 mimecast-mx01.redhat.com (Postfix) with ESMTPS id 375FB108E442; Fri, 20 Mar 2020 16:59:48 +0000 (UTC) Received: from laptop.redhat.com (ovpn-113-142.ams2.redhat.com [10.36.113.142]) by smtp.corp.redhat.com (Postfix) with ESMTP id 97A8719757; Fri, 20 Mar 2020 16:59:41 +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, mst@redhat.com, alex.williamson@redhat.com, jacob.jun.pan@linux.intel.com, yi.l.liu@intel.com Subject: [RFC v6 04/24] memory: Add IOMMU_ATTR_MSI_TRANSLATE IOMMU memory region attribute Date: Fri, 20 Mar 2020 17:58:20 +0100 Message-Id: <20200320165840.30057-5-eric.auger@redhat.com> In-Reply-To: <20200320165840.30057-1-eric.auger@redhat.com> References: <20200320165840.30057-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 216.205.24.74 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: jean-philippe@linaro.org, tnowicki@marvell.com, maz@kernel.org, zhangfei.gao@foxmail.com, peterx@redhat.com, shameerali.kolothum.thodi@huawei.com, zhangfei.gao@linaro.org, bbhushan2@marvell.com, will@kernel.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" 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 b9d2f0a437..f2c773163f 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -215,6 +215,7 @@ typedef struct MemoryRegionClass { enum IOMMUMemoryRegionAttr { IOMMU_ATTR_SPAPR_TCE_FD, IOMMU_ATTR_VFIO_NESTED, + IOMMU_ATTR_MSI_TRANSLATE, }; /**