From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from DM1PR04CU001.outbound.protection.outlook.com (mail-centralusazon11010025.outbound.protection.outlook.com [52.101.61.25]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7A20E242D6B for ; Thu, 13 Nov 2025 19:22:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.61.25 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763061738; cv=fail; b=gw3j8/Q8gqHRmnRgQyGQDbi3zo7owJFc6wro3GHPlep2z/k3W0Uph5GKO5MokSg2jrHraga6E+3ZsTDYV84zdYitHd6LhzPeUGzTXn4SGCGh0kVPq2E9xy7YFjEtO6SWpnVB5IA/9ULlqdHZ11NAzVaJ8QiXxTUYdiJf9E4dLgY= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763061738; c=relaxed/simple; bh=97omzppxpopFDUhalQkEK1GfjL1JrJ3YDVzmBzUq6G0=; h=Date:From:To:CC:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=jnd1orNZAoL/WcPXIPfA8oUlS/mD+c4JPh7aasEAzqfNm6NE/cPgYGWlJt6sBPsFxLwaPzzYkOR+TOUGtLrZqUP1E5j9oCKRNX2/M3vXjn8LverckVaNmYwpBiafwLJgzdgg81EMzCgllfmvrZgY9xF3yT/gEdB+a3zalUAqWG4= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com; spf=fail smtp.mailfrom=nvidia.com; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b=VZKfFy6d; arc=fail smtp.client-ip=52.101.61.25 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=nvidia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="VZKfFy6d" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=CNEbM/jrFa/7GJf77lqqWM41IPRgld3/BtYttwRhS9r5JFAe0vv4q9qYN7gDTvvX1e039i14Hxr7RKkws+hgQqrgwTDbLgd0MrRR5p7NvTUxmDSEDBnv1pq4MsRCbBT8LnuAjwyWyxjcdft7S2Dtxv5IicGSwt5KXAFlgQUEJnC0NLayM33WGm40Ry5PwhJdMKI7Q+xYTXbzC2o1Qcl+ceiNjvt10wtPoC+Z1foYRcxIYvNe5kzz8USWUwj6Fpf4BGtaSomkk193F6aB36yKwn2MrHsh/LF7nimo/u6jNzzjUxTrIa8o5OWTGYjAcc9PBWY2FENPEh0qVbhBGwFrgA== 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=tTctyapHouFdHMSKirKZG2nRlshuG8oozbigpm1B9GE=; b=OdRE4ANpk9rQcel2RGgNrlzshd1Tx3zWLhHMz6vj+R01BBFDWiKxrRTt5JUGfoL/G5ABx1wGMoSU9HUXY8+48S1XQjJxx5y+PyMDm8OLb0bmqqM/V0xuDbInuP0tY9JeD+/RwxJ/+bCXfOXi6/CNEOx+oqImkL095JT09HDwC2F801h5seCNCbwnH6+PKzjMvdatuJcrGm0dNNBztgza2hU5gf15f5EZ54BSRUOSl3TPIN3hPSLzdXegiSfPhZuuTmn6w4Kol5jZQbt6pl2MHu7ckjdKHu8EioFInoRtwJ7fBpt2uC7eT2L+UrSZfiuS7pJltPCT2TAexqAPWEV7PQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.117.160) smtp.rcpttodomain=amd.com 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=tTctyapHouFdHMSKirKZG2nRlshuG8oozbigpm1B9GE=; b=VZKfFy6dskLMtEHHnK+wT1KvsZvi1OklqCZ6aJ5jj1/v4mdTAfSH908Fm4mpDuPcSFUs1nBzhU+fE+m6sJIFXdPDPii7I/qK1PM/x4+JZvhHayIKGHescaAlFZCblncRsBPLns39c/MD13wcb7H3h8E/Vej5tuB1Bpj4QxyoX1jN9TjMCgWcxHlzLweoQTCiH1SOHZ2JbInYeC5vM16MKpz0EMSY34+K9fOfX6e9IZZtWHckOvxIZsK2pdPyhm+XV53WWFjr0RhsTzsDhtmjM8JGlUIC7Om1WEZXFcxOiWiUFQnlCvHnwlq0Lb64k5vnoswcMXTB7Va3lHtQhC1N0Q== Received: from BN0PR03CA0011.namprd03.prod.outlook.com (2603:10b6:408:e6::16) by IA0PR12MB8982.namprd12.prod.outlook.com (2603:10b6:208:481::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9320.15; Thu, 13 Nov 2025 19:22:12 +0000 Received: from MN1PEPF0000ECD5.namprd02.prod.outlook.com (2603:10b6:408:e6:cafe::a6) by BN0PR03CA0011.outlook.office365.com (2603:10b6:408:e6::16) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9320.15 via Frontend Transport; Thu, 13 Nov 2025 19:22:12 +0000 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 (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 Received: from mail.nvidia.com (216.228.117.160) by MN1PEPF0000ECD5.mail.protection.outlook.com (10.167.242.133) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9320.13 via Frontend Transport; Thu, 13 Nov 2025 19:22:12 +0000 Received: from rnnvmail202.nvidia.com (10.129.68.7) 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; Thu, 13 Nov 2025 11:21:49 -0800 Received: from rnnvmail205.nvidia.com (10.129.68.10) by rnnvmail202.nvidia.com (10.129.68.7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Thu, 13 Nov 2025 11:21:48 -0800 Received: from Asurada-Nvidia (10.127.8.11) by mail.nvidia.com (10.129.68.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20 via Frontend Transport; Thu, 13 Nov 2025 11:21:47 -0800 Date: Thu, 13 Nov 2025 11:21:46 -0800 From: Nicolin Chen To: Suravee Suthikulpanit CC: , , , , , , , , , , , , , , , , , , Subject: Re: [PATCH v5 09/14] iommu/amd: Introduce struct amd_iommu_viommu Message-ID: References: <20251112182506.7165-1-suravee.suthikulpanit@amd.com> <20251112182506.7165-10-suravee.suthikulpanit@amd.com> Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20251112182506.7165-10-suravee.suthikulpanit@amd.com> X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN1PEPF0000ECD5:EE_|IA0PR12MB8982:EE_ X-MS-Office365-Filtering-Correlation-Id: 69953acb-fe6c-4575-8f9b-08de22e9f263 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|36860700013|376014|7416014|1800799024|13003099007|7053199007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?NV+Io89Rcf+F+mDIXARE6aQWxRY1Du98l6Yk6B3pV7k43mv1qf9s/pSCrvfR?= =?us-ascii?Q?oqugfdmFdU2PHvS8ax2utJ4UQEGt09GkcKiW81hcds2KHvC+TWhqnJ9hsgkx?= =?us-ascii?Q?feNObdroTIJh+Lt22zQ5ZnnbfuSjPkYjr7+xu4EO1sJe6cu8Z3c//28c2WXq?= =?us-ascii?Q?qCRGYKrxXyjsObjFD8om076wyfIVKS+RWMzsIx0xQzlooDuGstr9bOs6OzQc?= =?us-ascii?Q?uysDDB3YDbYE8hIc/IOaQdTRENuu4C7Qn5hdHo3LphQf0at+I5q223jlX7tX?= =?us-ascii?Q?vV1iKgPRZx0srjkV1ItPkkQfjKuGZYF7MCKPfPL6uE+6xfHE4GCsHHIy4yfg?= =?us-ascii?Q?hCgMNdArParTb5lJcvDZ2BA+l8R1YPC2LZaO9OzhBe5cvZQgqsLVgXNK2Zi+?= =?us-ascii?Q?8mdV0+uhCcnORxkKyNPqWhjy9NUBlhysJ6H8W3e5Xroirf39oURSG4PJoncu?= =?us-ascii?Q?vqSz/0aQQW9t9rkpO2Ram5GiyRXaBgi7XAgREbIdyDXJYELuaC541QQeJjMj?= =?us-ascii?Q?4z+u+63S54XXRwvs96RGmJxD0eI26lSYBmZWI1nPWSF6uQpbvgP3GjokQeIg?= =?us-ascii?Q?vkIzMmMFmQDxw06Bg4Rdp3kP1EfIGNxAVR6UNuDk+gzc+JYM+Rc5m3QxyBDU?= =?us-ascii?Q?hNStMWbC5EWhUbwOgFFSYh1E9zkvpLMcDoVEUCxdS3abFjMcn5sKHbOlI4OG?= =?us-ascii?Q?mxg1jZPR1mHgK9i3Mgv3XJ5S/Zm9XNW62MWdnPTIQUtNLCKhDoUt7Ygn30q1?= =?us-ascii?Q?oz2L7AavMuDhYkL6BkLk46ZhHWEnHfx/aM4/ugSjcMZ1acLXLA6JJHKjIxdx?= =?us-ascii?Q?KZ7Mfdf1CjT7k67fbGRCofm73CfbPCVXGuHbX0zeUeC86F05n6+plRn4d7Ui?= =?us-ascii?Q?cS8apbNDY4BkzgmQGZD5eYBOGecxfqaTDNTbMpqmbE8h78bNYF2kdMK9/p7P?= =?us-ascii?Q?A5Wui/xM4bB5+zprODp5lPyFJb/34H+/yschHqXPNWvXf84TK2eVQJbYqIIK?= =?us-ascii?Q?6bsB8rKvPXf722Jdf9evKF240kZH9/S+SlCXQpMhsI8JkZNgOGBtQbgmAOlg?= =?us-ascii?Q?enPwHK7IftlH++Y/KWNzjF/66xJW/GTdauAj/CEtBsaQAIOEXNf593kXjp9Q?= =?us-ascii?Q?GSBEpC8//iyl+9Y4PkFe8+ky21wYwA6IZXp6kh/PV1ptxqcwsUACOBiJBciD?= =?us-ascii?Q?mP6CagsF0E13Mxm8VhdP8IfdlFtqgFXBWHAD98R6IvVGP1wqB7pIjvigYONP?= =?us-ascii?Q?atnP/7JCTJt+8Wga1ktcKYIwhLsEk7+sxyOVZqEmoOwaK9OobjFGtUy/FBHJ?= =?us-ascii?Q?aSWTYtO0I6Law6wqwEgUYhAEZPQyWgTH3ymCR4kh31IDYO4nivo9Ol6lfJvU?= =?us-ascii?Q?hYTA2DAn5qGC0nRjgVkp6uNb1ijFplUvmJPUSYClQAKoGGHVA1OawZYwI9GQ?= =?us-ascii?Q?vOoFC7JvAHxgLQL6DysFUexBZ8/oaieY4aZ0k3/Rqm/0ktoVDQS8BegYlwXH?= =?us-ascii?Q?IBKQ/tzMzv5kAy6ePxC5npUNLZTrKTb/fRgwOcJiRm6mrzNLABS8BF3SLmSD?= =?us-ascii?Q?PQMY0+7BilaMmD74R0E=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)(82310400026)(36860700013)(376014)(7416014)(1800799024)(13003099007)(7053199007);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Nov 2025 19:22:12.0698 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 69953acb-fe6c-4575-8f9b-08de22e9f263 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: MN1PEPF0000ECD5.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR12MB8982 On Wed, Nov 12, 2025 at 06:25:01PM +0000, Suravee Suthikulpanit wrote: > Which stores reference to nested parent domain assigned during the call to > struct iommu_ops.viommu_init(). Information in the nest parent is needed > when setting up the nested translation. > > Note that the viommu initialization will be introduced in subsequent > commit. > > Reviewed-by: Jason Gunthorpe > Signed-off-by: Suravee Suthikulpanit I think I have given my Reviewed-by tag in v4: https://lore.kernel.org/linux-iommu/aPmUD3U764IPo%2Fet@Asurada-Nvidia/ Anyway, Reviewed-by: Nicolin Chen