Message ID | 20180921081819.9203-15-eric.auger@redhat.com |
---|---|
State | New |
Headers | show
Return-Path: <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=<UNKNOWN>) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 42GmxW2XnQz9sBq for <incoming@patchwork.ozlabs.org>; Fri, 21 Sep 2018 18:30:05 +1000 (AEST) Received: from localhost ([::1]:54414 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>) id 1g3Gp9-0005Y6-Bs for incoming@patchwork.ozlabs.org; Fri, 21 Sep 2018 04:30:03 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48033) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from <eric.auger@redhat.com>) id 1g3Gg4-00055L-1j for qemu-devel@nongnu.org; Fri, 21 Sep 2018 04:20:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <eric.auger@redhat.com>) id 1g3Gg1-0005On-7p for qemu-devel@nongnu.org; Fri, 21 Sep 2018 04:20:38 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38346) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from <eric.auger@redhat.com>) id 1g3Gft-00055N-E7; Fri, 21 Sep 2018 04:20:29 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id EFAB3C04AC51; Fri, 21 Sep 2018 08:20:27 +0000 (UTC) Received: from laptop.redhat.com (ovpn-117-87.ams2.redhat.com [10.36.117.87]) by smtp.corp.redhat.com (Postfix) with ESMTP id 397CF7D665; Fri, 21 Sep 2018 08:20:12 +0000 (UTC) From: Eric Auger <eric.auger@redhat.com> To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, peter.maydell@linaro.org Date: Fri, 21 Sep 2018 10:18:05 +0200 Message-Id: <20180921081819.9203-15-eric.auger@redhat.com> In-Reply-To: <20180921081819.9203-1-eric.auger@redhat.com> References: <20180921081819.9203-1-eric.auger@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Fri, 21 Sep 2018 08:20:28 +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 v2 14/28] hw/arm/smmuv3: Implement dummy replay X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel/> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Cc: yi.l.liu@intel.com, cdall@kernel.org, mst@redhat.com, jean-philippe.brucker@arm.com, peterx@redhat.com, alex.williamson@redhat.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> |
Series |
vSMMUv3/pSMMUv3 2 stage VFIO integration
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expand
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diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c index afe1758830..d609038724 100644 --- a/hw/arm/smmuv3.c +++ b/hw/arm/smmuv3.c @@ -1516,6 +1516,11 @@ static int smmuv3_get_attr(IOMMUMemoryRegion *iommu, return -EINVAL; } +static inline void +smmuv3_replay(IOMMUMemoryRegion *iommu_mr, IOMMUNotifier *n) +{ +} + static void smmuv3_iommu_memory_region_class_init(ObjectClass *klass, void *data) { @@ -1524,6 +1529,7 @@ static void smmuv3_iommu_memory_region_class_init(ObjectClass *klass, imrc->translate = smmuv3_translate; imrc->notify_flag_changed = smmuv3_notify_flag_changed; imrc->get_attr = smmuv3_get_attr; + imrc->replay = smmuv3_replay; } static const TypeInfo smmuv3_type_info = {
The default implementation of memory_region_iommu_replay() shall not be used as it forces the translation of the whole RAM range. The purpose of this function is to update the shadow page tables. However in case of nested stage, there is no shadow page table so we can simply return. Signed-off-by: Eric Auger <eric.auger@redhat.com> --- hw/arm/smmuv3.c | 6 ++++++ 1 file changed, 6 insertions(+)