From nobody Mon Feb 9 18:19:54 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; arc=pass (i=1 dmarc=pass fromdomain=nvidia.com); dmarc=pass(p=reject dis=none) header.from=nvidia.com ARC-Seal: i=2; a=rsa-sha256; t=1769018483; cv=pass; d=zohomail.com; s=zohoarc; b=EhSVgiiHBnDieG/28uW5nsZttR6Zx0kKyjfdXSFgBo6Dps7jgxcsaIcBidVwLgEX4vx8P1rBuymV3BK/j+EDsp+/ZMaHiStLnCiraGr1Px0uReeelPBKKhwsMMs+XlcCNPdM5KkJKGjsWiTNH1AyOHTneEfbz2twwdLqGQcI6dA= ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1769018483; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=7uvEMLfnPpjfI4pRy/79USmx/OL3kyxZUOgMXAAK7Bg=; b=DaxOl0671nCQyEiz4CT0vyjGuGZD5wsWkQW2KprozW2ZeHWIOMu+ggF6UX6keVMcw6UFjfz4NpUg1H+gg3p36CM0SiHYgYBbjfgiUUc0tIWHRK0l9x54vdW7MaLNbUVgAq8sCwpGUthp7OTTcwE+/+vDpbhPX9TsXTM+C4NEC6A= ARC-Authentication-Results: i=2; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; arc=pass (i=1 dmarc=pass fromdomain=nvidia.com); dmarc=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 176901848320770.14791002669256; Wed, 21 Jan 2026 10:01:23 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vicUF-0001IT-7x; Wed, 21 Jan 2026 12:59:24 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vicT4-0007ZL-GG; Wed, 21 Jan 2026 12:58:12 -0500 Received: from mail-southcentralusazlp170120001.outbound.protection.outlook.com ([2a01:111:f403:c10d::1] helo=SN4PR2101CU001.outbound.protection.outlook.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vicT2-0002AF-Ss; Wed, 21 Jan 2026 12:58:10 -0500 Received: from BN9PR03CA0124.namprd03.prod.outlook.com (2603:10b6:408:fe::9) by PH7PR12MB6587.namprd12.prod.outlook.com (2603:10b6:510:211::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9520.12; Wed, 21 Jan 2026 17:57:52 +0000 Received: from BN3PEPF0000B06D.namprd21.prod.outlook.com (2603:10b6:408:fe:cafe::bc) by BN9PR03CA0124.outlook.office365.com (2603:10b6:408:fe::9) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9542.10 via Frontend Transport; Wed, 21 Jan 2026 17:57:45 +0000 Received: from mail.nvidia.com (216.228.117.160) by BN3PEPF0000B06D.mail.protection.outlook.com (10.167.243.72) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9564.0 via Frontend Transport; Wed, 21 Jan 2026 17:57:51 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by mail.nvidia.com (10.129.200.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Wed, 21 Jan 2026 09:57:26 -0800 Received: from NV-2Y5XW94.nvidia.com (10.126.231.35) by rnnvmail201.nvidia.com (10.129.68.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Wed, 21 Jan 2026 09:57:21 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=Sk3vIZEmOr0yYny71mjMmKWLbROZ7Zx1YnfqX4f0PjwRsIbTMJcbZp464CmPgGiVldjeCdruUnMkGt/5hoR2+AfxVeHtQD/Epmv7OA145szqD+Gct7ITwSzM6vexC1lDOCUg9jtvu6Vc1+tZ6Ea+odNAY976Lv2WEX57hvi9XxihZWJXqc/BTrWCwySzUmXkHMIC6y0PkSf2ESwzBwL/oTtIqCD79Y67d9IhUbNqWDA89P2omMHfxoDaPYpS8TykVdu0K0/3M5Pce5qcHvA4sOOjlvrIWIEoqV3bQnMVen1Caht0VWUflO0MBOtpX6PHqpjsInlVUjG85MCxqcwRCA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=7uvEMLfnPpjfI4pRy/79USmx/OL3kyxZUOgMXAAK7Bg=; b=TJrJPAi8RQ9IC4jOpQitjd8mGEyeLDYD/pdR/VKnTKoKjdoZ4zCAYc8ccbII1Lycs9sXBnPRH6lPFYj55rv8JA/S5WKaOjWrQ2XmnEciPSyfx7kf+axAeWPtjJiLo8IqoXltNorTJVFa0JLJf1DykrseXhf5s3gpuZiT2/xKLHTl+zJSi4sXnlA+5VQmm+1IfISLuW63CEJyfgN4PCBvTazMIhJdnjIIRTgQhkAC+8mz35/aZPjXJfnKhQM8HjdfPXvUuMonyhBFXPcbplqo66dcNVQ1zhKX74O8b4oFk68Lb3lFRygL3izQojKOoK77rOWG3IuPo1ln9xOBcNHovA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.117.160) smtp.rcpttodomain=nongnu.org smtp.mailfrom=nvidia.com; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=7uvEMLfnPpjfI4pRy/79USmx/OL3kyxZUOgMXAAK7Bg=; b=CFU5d8lArWTZMVNF3lljlekcfdw/64qY4Cp6b6aFF8ELWcbHT1NyFN+lWb5mDQpkH4whsnx9/V9mqYW83mfz88p+ToWIy8zNl2mxNHlU8L0HwlRBkOk3tBzblNoIyzbiN9ilIfXPD2NgQ559QcZ10KAXK3i7ww++q+8JeHWkKhpdao8MTO3Q19y9dFGiEkp6HacxG0UoN41DYlO87pUBZfSZRp+M9hXjeunfBdL2ImqiDF9SD+2hwwvFZg+qL+Lnyx6q5rj99vCIJIZX55oTsnjy0oAv6hGA38DfOUhEQInf0tNP/UVau9jnu4nwGCGZdk+4Xe+ZPZtVAvTFnBLoVQ== X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.117.160) smtp.mailfrom=nvidia.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: pass (zohomail.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; Received-SPF: pass (zohomail.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; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.160 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.160; helo=mail.nvidia.com; pr=C From: Shameer Kolothum To: , CC: , , , , , , , , , , , , , , , , , , Subject: [PATCH v8 27/37] hw/arm/smmuv3: Block migration when accel is enabled Date: Wed, 21 Jan 2026 17:52:32 +0000 Message-ID: <20260121175248.87649-28-skolothumtho@nvidia.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260121175248.87649-1-skolothumtho@nvidia.com> References: <20260121175248.87649-1-skolothumtho@nvidia.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.126.231.35] X-ClientProxiedBy: rnnvmail203.nvidia.com (10.129.68.9) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN3PEPF0000B06D:EE_|PH7PR12MB6587:EE_ X-MS-Office365-Filtering-Correlation-Id: 8bb4bf7f-521d-469c-bef0-08de5916989c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|376014|1800799024|36860700013|7416014|82310400026; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?IjPq7DbWTly7twHnKF2DcFhu7IjHwjRODDp9kyholupTCHL/dbnK6SCUQtHn?= =?us-ascii?Q?nzlydiJ3oqImryP7CL52SbIlj7osHrw5ygvAuWFhhKVOBB7UUAZmei6PCaW8?= =?us-ascii?Q?jzR84OdEneJ2hC8vJ8j6d9Udjr0329/4nwYxmGug7fkhMJbqXTEtizkXOJ6H?= =?us-ascii?Q?xYIVbBMWfo1Uzepc8BRpNsHB6QxY+6jw4grtkS1xfLkjTT//+v2ZlUIs6OZw?= =?us-ascii?Q?S+UvcQz+0vRelPx/0fODLOxF/or98fnCpuKb2B80+eikTG/21fl/r+DxCdSp?= =?us-ascii?Q?wY6RMH5U9cNygNK545U693FJilB0H2c5iKhzFb2/sRXRydp0AWlSPJQ3TjlX?= =?us-ascii?Q?//qhjmul8lL0/gIvzPRrqQDz/uOPlp6bJoYYjbeBD+k2TBvEZKQ53jWV9Ls+?= =?us-ascii?Q?0TiRdZE9JZ6qhYNP0aZsCiFTsryo5X5Hj43/UTDYMkm54ddCHqMbn7QS+b01?= =?us-ascii?Q?cNa03FbR/Fcenhp2UOJfsajo7VoE/GtyPYKuMjfHCM9hHc6/lx8egslK/KSa?= =?us-ascii?Q?Uk7VF4t8CncVg83WWo4yLNzlVaM9JSm3ZsJs5trsCz+ys/scGjuvcnCF45m3?= =?us-ascii?Q?CNvTTy+6MoVyLu1lgg01eaYyQOWhIWtm4smm9yJglGtEIfLo54ho8zN28okl?= =?us-ascii?Q?B7pkGX7ZJ4p+5IeUAL6Vyw/mDLtWDtvMIHbp8R1oED0aZgYn8Lv3wLEfm6Zt?= =?us-ascii?Q?9gJG27qAngr5JfJ2E3ycRs2ntczj2bMA2BY8VhD3SDTk3Yi0/GRhZDnd1kVY?= =?us-ascii?Q?jEr3i2uwWX6lVQrCUitQYV/7jSZPjSYJh2zBfJpl4VSfn7Aa3ia/9gIyFIta?= =?us-ascii?Q?JWTgTUlaqxfGBMOi1j5fV8rLHKKy2KQDGe7X7YBhmEixoFtBHt14f4YGEXld?= =?us-ascii?Q?xV2tkIZQvhqdTrneUQNXOHJeC2VOTKixIhjHYZZ8CECnd9CPTUvKz+FlhImE?= =?us-ascii?Q?bMT+reGE03afZuYGGeh2GEuecTwKpZpqveq3a4Anxc04gvTQw0qgJVHjWDxs?= =?us-ascii?Q?seORP4WJyvcDgXEKtolvyXmNxQlz8Vo0tKB/b6boabTpnw6+SvJhT08J3vKc?= =?us-ascii?Q?BhnI31+2j7DLKLMd22DtbD1qW3qeT6WFKUNhlpsLXjSCHTES/UugI2bP9rEq?= =?us-ascii?Q?Uje6K0rybO4rLIfzQxSXz7fqE8j8mTW1CFnuR0Y7ojw78EpY4sjmwiAjEI1I?= =?us-ascii?Q?Ks656g6cKeB4F9xhGjOfbuMNgO24PYU4zGViVTtLNzK1Kk3qg4xAN11lEJcC?= =?us-ascii?Q?NrngY+1DoupX7EbHrONeI3hToQ0TBGy+kLNw4bFKKWaSGovFGVboJLIg22mo?= =?us-ascii?Q?p+Vmd8zko5zSOBqmXo1GbujDidSgiofNyhx1WkbMki8gEw//n48dWeskxd3n?= =?us-ascii?Q?YpTZe5YI/dCKSLPgSpzaLngYRTQim1TiFYb0JxZJPUaCxrIbnoioVx9JbPGQ?= =?us-ascii?Q?pwDC0LVtdCbOWE/2byb9BUE7lSWX6KvBIb8pVYFP1Z7ww0lxpT7B2wwG1pHe?= =?us-ascii?Q?AiZgZfKhaG4CJUx2QXtd6DTvn2UKizqFbYe07g2LyU+BJ30kP/QcldgTEzIS?= =?us-ascii?Q?uaH1NMlhXQeOU30Cjt9lVbmlp+DeGqe2uGtjGk18clXkUTDRfb8shKUtBWWv?= =?us-ascii?Q?GGbctwb4ZhxRxqSPekKU+9D2xKeszUoxba2+IgVb8G70+M9w5JCEbtXWrYou?= =?us-ascii?Q?Pn0MJw=3D=3D?= X-Forefront-Antispam-Report: CIP:216.228.117.160; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc6edge1.nvidia.com; CAT:NONE; SFS:(13230040)(376014)(1800799024)(36860700013)(7416014)(82310400026); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Jan 2026 17:57:51.5792 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8bb4bf7f-521d-469c-bef0-08de5916989c X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.160]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN3PEPF0000B06D.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB6587 Received-SPF: permerror client-ip=2a01:111:f403:c10d::1; envelope-from=skolothumtho@nvidia.com; helo=SN4PR2101CU001.outbound.protection.outlook.com X-Spam_score_int: -11 X-Spam_score: -1.2 X-Spam_bar: - X-Spam_report: (-1.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.069, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FORGED_SPF_HELO=1, SPF_HELO_PASS=-0.001, SPF_NONE=0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @Nvidia.com) X-ZM-MESSAGEID: 1769018484664158500 Content-Type: text/plain; charset="utf-8" Live migration is not supported when the SMMUv3 accelerator mode is enabled. Add a migration blocker to prevent migration in this configuration. Reviewed-by: Nicolin Chen Reviewed-by: Eric Auger Tested-by: Zhangfei Gao Reviewed-by: Jonathan Cameron Tested-by: Eric Auger Signed-off-by: Shameer Kolothum --- hw/arm/smmuv3.c | 6 ++++++ include/hw/arm/smmuv3.h | 1 + 2 files changed, 7 insertions(+) diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c index e301bb467d..2be056d792 100644 --- a/hw/arm/smmuv3.c +++ b/hw/arm/smmuv3.c @@ -20,6 +20,7 @@ #include "qemu/bitops.h" #include "hw/core/irq.h" #include "hw/core/sysbus.h" +#include "migration/blocker.h" #include "migration/vmstate.h" #include "hw/core/qdev-properties.h" #include "hw/core/qdev.h" @@ -1925,6 +1926,11 @@ static void smmu_realize(DeviceState *d, Error **err= p) =20 if (s->accel) { smmuv3_accel_init(s); + error_setg(&s->migration_blocker, "Migration not supported with SM= MUv3 " + "accelerator mode enabled"); + if (migrate_add_blocker(&s->migration_blocker, errp) < 0) { + return; + } } =20 c->parent_realize(d, &local_err); diff --git a/include/hw/arm/smmuv3.h b/include/hw/arm/smmuv3.h index 5616a8a2be..9c39acd5ca 100644 --- a/include/hw/arm/smmuv3.h +++ b/include/hw/arm/smmuv3.h @@ -68,6 +68,7 @@ struct SMMUv3State { bool accel; struct SMMUv3AccelState *s_accel; uint64_t msi_gpa; + Error *migration_blocker; }; =20 typedef enum { --=20 2.43.0