From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from NAM10-DM6-obe.outbound.protection.outlook.com (mail-dm6nam10on2080.outbound.protection.outlook.com [40.107.93.80]) (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 CECC6224256; Thu, 10 Jul 2025 06:00:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.93.80 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752127216; cv=fail; b=i3xo/LOJZ868XTX9KS82xoyEfY7vQZyfAxUykspZFsOW4xBwH5Y3hDYpP4KDTHK43yBSB3JjzLxZfwQ5udmJyzj2EGWHWjZkF/CyQxrLaAIKgt/n/hCzkxppMFKpSCvOhUt5Qq3PUfY7bX+LZeRcQSzGumwABs2p5M/2Cei4sOM= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752127216; c=relaxed/simple; bh=xtgOta9W+ACqgtXngaPajMS9RIw88Si3sBl21lue4Bc=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=rT+QJcy7O8u1e8CNQZL2vssSNyciMeTkYgTqre0AUGg02YcHFHYLrPxhPSGmKdw9qniD/j5fYu8hwy/C74lnba1u0et1pTV6CpUHGsiB4vVG1PqwkmHAB5rer3q5VdZ/gcYTVFJGqbAnVSrjxQvBTurJKWwUU7cF0tVY0va7fI8= 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=jLSlJ+z3; arc=fail smtp.client-ip=40.107.93.80 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="jLSlJ+z3" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=YrqE33i4AITFaDAGZqVpZIVEWOzL2Q4MAZutFqdLIiUuNNuBnwvILvGlZw6dmaPP785Ydh55FEPbSo/cnfwDX+XnVVUFf2obC2Qe8ZPJwMuCrp7l6EtVaFvhZFc21KiMvQhOsQU0F402lSyPeuC6RbsF8Nqppee5TuGarVXy+WhHBbvhSLDGcvXkehvtrq8Vs35b3BQj3etOFXqLJpNOZW+3xl2yfh0sVURlRij+RQp53uvPY7EXtLmYNVVbMISI0HulUQK1VS04rnwteTo/Ce4oMibKnh6+kc8qMxF3m7cYfg4+0x7NMWjruZK8BLOeijjqu9/47cMTXdjmLZDsgg== 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=pPX5OLpcfsjCdI3t+nTw3w4HEXttKkhit5rWu1qXvCQ=; b=IIsVX5JxYQQnOy4/RuG403/7wDPC38KvnneZSX+xBwd70dPIaAvcWTw4RKLepk4Eq/26jyMei7rGB61YpP/lMVvkoB9CQNFr9VIoIAHW5XcN9NGcOBNrPa07/p25wdJK3XRK9LBpbDk5HEJI8PhQzXod2YnQaYLjf7XyXmv/Te5DMEBqX0Krr877QQJVmoTOHEzbS8FCbR0oxu87/7Dw/aXT0yqPuv4v+1ZysiuoyASXXIJOiw1TVCESAZ8lhlRpa6Mv4YrlDNLUQCXoST98NGPXueOiUDQ+ZUkX1Y6ROVGvfDkFlr7MrHTKOxbeYcLl32L73zIz0EMX9ncmD8HFYw== 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=pPX5OLpcfsjCdI3t+nTw3w4HEXttKkhit5rWu1qXvCQ=; b=jLSlJ+z3DrGgRvhoSVlcunopqKkxNkmP7kdggRQF1/MTf9btcJ1mSICg9isst+Z/8Acq/luMSy00WeOWrOzeZkKkyb9j12fXAF01hpULURH49TJ8pL3TuF4N15Qdud2UphJOOme6eWm9Ux19EjJO3fGL5l3OYUDZVHQ5zlSLDVjpHYhuX/s636+E9oVEDOzWMCzy9On9ImvgQRmwfBj9O4GXglRjewBfSf66XgesuNZJc5gyCiAYpejAN93hS92uHl7rD4KsBg2TTuCNNSdK6x6pa3TVtOjQUauBbt1Xgg0wWLrRL9IVHQGY5gCNeROaUaz4OHgjek8Ysi+GI7j5Aw== Received: from CH0PR03CA0398.namprd03.prod.outlook.com (2603:10b6:610:11b::29) by DS7PR12MB6069.namprd12.prod.outlook.com (2603:10b6:8:9f::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8901.27; Thu, 10 Jul 2025 06:00:10 +0000 Received: from CH2PEPF00000144.namprd02.prod.outlook.com (2603:10b6:610:11b:cafe::47) by CH0PR03CA0398.outlook.office365.com (2603:10b6:610:11b::29) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.8922.22 via Frontend Transport; Thu, 10 Jul 2025 06:00:10 +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 CH2PEPF00000144.mail.protection.outlook.com (10.167.244.101) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8922.22 via Frontend Transport; Thu, 10 Jul 2025 06:00:10 +0000 Received: from rnnvmail204.nvidia.com (10.129.68.6) 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 15.2.1544.4; Wed, 9 Jul 2025 23:00:01 -0700 Received: from rnnvmail204.nvidia.com (10.129.68.6) by rnnvmail204.nvidia.com (10.129.68.6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.14; Wed, 9 Jul 2025 23:00:00 -0700 Received: from Asurada-Nvidia.nvidia.com (10.127.8.14) by mail.nvidia.com (10.129.68.6) with Microsoft SMTP Server id 15.2.1544.14 via Frontend Transport; Wed, 9 Jul 2025 22:59:59 -0700 From: Nicolin Chen To: CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v9 08/29] iommufd/selftest: Support user_data in mock_viommu_alloc Date: Wed, 9 Jul 2025 22:59:00 -0700 Message-ID: X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: AnonymousSubmission X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH2PEPF00000144:EE_|DS7PR12MB6069:EE_ X-MS-Office365-Filtering-Correlation-Id: b0fa8432-db46-4fb4-d40f-08ddbf770783 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|1800799024|36860700013|376014|7416014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?bR71X8/8r0/i1Tv1LvFk5+fYujo08LrsrJmw0xB/Qs+HA2XHCT90FQyj/yGb?= =?us-ascii?Q?1yOphy9Fpl9ULtfmJAKZa+0719Rrn29Xg8ytf71GPu8qFXKqg1o5Atyyp9Q4?= =?us-ascii?Q?LnrrYVu7sza8VjCHzmIjUybJMGE/EE6faRPr+ny1fRzwJS8M5Xp62hoQ+reK?= =?us-ascii?Q?oPPAMY8dUKnUu1PXPBkSFtbw26d0+64WpC1L+C+zbqN+eaGUPcKvRjAI1piY?= =?us-ascii?Q?ZjAAFmVLl7iyhkGbI4qCAV4k6z1/I496OdcTiVRzdCnPbLJqGf0qyKuU84ls?= =?us-ascii?Q?oBoXVHYtQfFFNsJAN1ZFfveMFXDLIwNvjHTi+WvBkR5rHZy8cNwoKw3xL0NM?= =?us-ascii?Q?AGiAYlMJXyuY70YP1t6XQCzilRUla6Qv5vt0gjCUIFXjAnX0p4/3O8QhzI/j?= =?us-ascii?Q?MYWbfY8YMQD6SxV7DOlhwYjh/HmnLz9mDUoFvaqR6t6wZH1KM8Rm3IbXNjOk?= =?us-ascii?Q?Q7WvU9BoWy0gn/OIp9PHfpbP/tw2F4xf86uGiOhAcP27xPoUv+9O0+FAUQ7N?= =?us-ascii?Q?FVS0P7VL5+yh1kROsraVvs+1P6nfHMQZuR9soVWvGuagglimLVxMcZ8WRDGa?= =?us-ascii?Q?MrDTGpZoazLavM6U95HqBc5+tatz4+Yj7R2ju/MHCcuIFEKugwIqGQgFCmAp?= =?us-ascii?Q?o3nzN6xRfE4T7psCdxxFDiTryoo/INDIOHrSzjARVEq12XI3oldf54ocKwbZ?= =?us-ascii?Q?3KD1exM6EUMQ526dRMm87gKKNz11S/6nLufsECrq+xBMrhaoKpXkp4rHYWwf?= =?us-ascii?Q?zZvTq+BdwBZgfLwYYCc83sLBTB5/Ofz7WD8t+pLZCK8kC0FUgwMincBFAqYT?= =?us-ascii?Q?YOzqI4FbXsnl6+R2vTjcbqZgph7jmUSJbRFTCwAu5ptxdPV/ZbuITG4SeTvS?= =?us-ascii?Q?u9PgeR8JFnuxuXQntxmbVhUZGyEDowiZvRKDeQteI0oJXU6rdL0smh5aLANX?= =?us-ascii?Q?UIx31/LlCe/8mPI1eGuhXpeVLQ2QpMG6YDyyaw+cJkqYqZNlr3v09+hRXz9g?= =?us-ascii?Q?oj3GRPPEPjvGDuxr4AKZDXPX5jV2cHznizaaQ3Yq2RGxZvfH7K8zhYaIqtd6?= =?us-ascii?Q?qy88i4U8/oJD5+1+oIP0oQ/xyLfT3zrFlj/sAVWAW78VD0biQgwJgIg3cPy1?= =?us-ascii?Q?pfRrBpXMvQlYhyW9xmPB2QaxagZ/zS4hy82UADUuNHSIeESEHui9Ki3ujU4p?= =?us-ascii?Q?sTPY6Zdn1U6ZpQzhOq9SFvSVJL0z7FeWCRjX1orlfJRarFCJHX/EqlKTVqYl?= =?us-ascii?Q?rRZRm0gcDDER5f1zF4gaZcBsyv1HBMf+qnXmjDn0SuXILWntF3Vk7Cea97po?= =?us-ascii?Q?ajkqyvY6vMRenVF7LfFEjaOxMhAH/G75ciF5cCIfvHu/prM0INaQLcj+xVy/?= =?us-ascii?Q?JTI5uU71p5dTeuS0Qre4fr2rmIxejcPVqKGv94o0s+hdaGXoabQDu00V8jo2?= =?us-ascii?Q?/DSvhiBWztzBV3szYrG2XogLfly9VRfLNcO4bgaoxdBOWVpdGogFUSeyfZnR?= =?us-ascii?Q?ZxDhD7XM7ep9YkRBN8W4h4eVplwZIzx0CepB?= 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)(1800799024)(36860700013)(376014)(7416014);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Jul 2025 06:00:10.3077 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b0fa8432-db46-4fb4-d40f-08ddbf770783 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: CH2PEPF00000144.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR12MB6069 Add a simple user_data for an input-to-output loopback test. Reviewed-by: Pranjal Shrivastava Reviewed-by: Kevin Tian Signed-off-by: Nicolin Chen --- drivers/iommu/iommufd/iommufd_test.h | 13 +++++++++++++ drivers/iommu/iommufd/selftest.c | 15 +++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/drivers/iommu/iommufd/iommufd_test.h b/drivers/iommu/iommufd/iommufd_test.h index 1cd7e8394129..fbf9ecb35a13 100644 --- a/drivers/iommu/iommufd/iommufd_test.h +++ b/drivers/iommu/iommufd/iommufd_test.h @@ -227,6 +227,19 @@ struct iommu_hwpt_invalidate_selftest { #define IOMMU_VIOMMU_TYPE_SELFTEST 0xdeadbeef +/** + * struct iommu_viommu_selftest - vIOMMU data for Mock driver + * (IOMMU_VIOMMU_TYPE_SELFTEST) + * @in_data: Input random data from user space + * @out_data: Output data (matching @in_data) to user space + * + * Simply set @out_data=@in_data for a loopback test + */ +struct iommu_viommu_selftest { + __u32 in_data; + __u32 out_data; +}; + /* Should not be equal to any defined value in enum iommu_viommu_invalidate_data_type */ #define IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST 0xdeadbeef #define IOMMU_VIOMMU_INVALIDATE_DATA_SELFTEST_INVALID 0xdadbeef diff --git a/drivers/iommu/iommufd/selftest.c b/drivers/iommu/iommufd/selftest.c index 0d896a89ace7..38066dfeb2e7 100644 --- a/drivers/iommu/iommufd/selftest.c +++ b/drivers/iommu/iommufd/selftest.c @@ -784,6 +784,21 @@ static int mock_viommu_init(struct iommufd_viommu *viommu, { struct mock_iommu_device *mock_iommu = container_of( viommu->iommu_dev, struct mock_iommu_device, iommu_dev); + struct iommu_viommu_selftest data; + int rc; + + if (user_data) { + rc = iommu_copy_struct_from_user( + &data, user_data, IOMMU_VIOMMU_TYPE_SELFTEST, out_data); + if (rc) + return rc; + + data.out_data = data.in_data; + rc = iommu_copy_struct_to_user( + user_data, &data, IOMMU_VIOMMU_TYPE_SELFTEST, out_data); + if (rc) + return rc; + } refcount_inc(&mock_iommu->users); viommu->ops = &mock_viommu_ops; -- 2.43.0