From nobody Sun Feb 8 18:49:37 2026 Received: from NAM02-DM3-obe.outbound.protection.outlook.com (mail-dm3nam02on2047.outbound.protection.outlook.com [40.107.95.47]) (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 837A41BE229 for ; Fri, 16 Aug 2024 15:44:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.95.47 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723823045; cv=fail; b=YMZElm+y5CVv51uAivxHgWy946nSgrE1jYOhdbK2RfbBg3RY/tNVuGIE+Grz2FaJ1/GHVZMP3n+cA87XGYcple6cp6qfLf6N2PMhN2/dDVNergtZj8HS5pPlTqu04v2yOrgJCJhpE7hAfaqxYxw6xNJXEX+3pcf4gFK8mCnBoyY= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723823045; c=relaxed/simple; bh=KrPZB66agISseWt7Q2zzehienaGaHegGf55hH3fx8es=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Z2PwqMeJhyz80kgBYOuLLoEYzZzgImYj9wgKGWVWjBdLwbf79rZzyxzrU2mSSKYHWWyMXUInKIIU3Bg4uNeL5wgyBiDpMT8TvJrZudNz+baBgLiqEMXlYu+V+/4+HtUo5ATOnDV/4FvIpijIdX0aa9cEIoQK4FwyOC5KdfYn1og= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com; spf=fail smtp.mailfrom=amd.com; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b=GxkPVQRy; arc=fail smtp.client-ip=40.107.95.47 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=amd.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b="GxkPVQRy" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=LK0jBlC7JVp9DkwogH5gfYXwNkbHRptmv8gROsWg7FHUSsIxW67kyqwExt4VMRBpsL0Bvw+ryCShBD78ZkqmFTDllez950bJU9y7960yymkZAuGms5ElDwwvK2msHnjmnWYbHmuoKQ/A7wU5I3l1DzA8d/gNnJOXpVtzqJD/02UANf26ysQD3KuVCHahmBa9jNR2bYSABwrDOwJxtMOeILuQJZW5lOIbt+AYr++9o+xytu/pDebJCEaYLFVFbXx6OYBzCZwo2MHMlFPIt/9oEoUuhK1KeAFVm++X8nHqJTax0bEwVoykJ2woQ9EOEK6YjlCKoeC1YMuSRDs2R6qiWw== 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=X+/6C6+FA+X9tdsHvdZ4SOeMkvW0vZ2TKosZ3qVNkzI=; b=YN8Msk2k4QcMVUCSvAI2bFcLqNkd+9bz6VauL9V9Ya6RYY854tg4xb1UBHUqma1b4pShDLvRJWnpUpy5r8Lk8Ej+iAiYymulC9w7vP25VwW66XJCbxocbn9HyOI4zUR95R0NIMvE0XC/JRHn1COC0AdO9saf+Qp07l2cYsrm98YsaQT7TDCPNaVlEOtYfE6Vu/lk3UWzhkabJwQnjE10T6U7xBrUVEgN+yl1zDnLbxi3RAfU+kSf99ZRvdSmHIdfQumYdFTgphxny29dIz9KCqtFv7mgf2NHgglo9jBfXy+fiCf/EL1EnbasqOoXt1Z3Xg/NAPGPg48KA8HdM4UNyw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=X+/6C6+FA+X9tdsHvdZ4SOeMkvW0vZ2TKosZ3qVNkzI=; b=GxkPVQRygARY5EUE3S/7Qg6P3R/f+RgIuwZ1viBwQSr9z/D3Dub5YEb7UefB6WUeeVKif9bDiEahWXW731MduV5/QWYL0C3AkBttT03R8A+10H/txg1B0m7sZtTHQjLCQN0S8xsxKozUgValI7FsvA2q25TtR61d7IAH6vD4pk8= Received: from MW4PR04CA0326.namprd04.prod.outlook.com (2603:10b6:303:82::31) by SJ1PR12MB6052.namprd12.prod.outlook.com (2603:10b6:a03:489::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7875.20; Fri, 16 Aug 2024 15:43:58 +0000 Received: from MWH0EPF000A6733.namprd04.prod.outlook.com (2603:10b6:303:82:cafe::4a) by MW4PR04CA0326.outlook.office365.com (2603:10b6:303:82::31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7875.20 via Frontend Transport; Fri, 16 Aug 2024 15:43:58 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by MWH0EPF000A6733.mail.protection.outlook.com (10.167.249.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7849.8 via Frontend Transport; Fri, 16 Aug 2024 15:43:58 +0000 Received: from purico-ed03host.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Fri, 16 Aug 2024 10:43:54 -0500 From: Suravee Suthikulpanit To: , CC: , , , , , , , Suravee Suthikulpanit Subject: [PATCH 1/2] iommu/amd: Introduce struct gcr3_tbl_info.giov Date: Fri, 16 Aug 2024 15:43:30 +0000 Message-ID: <20240816154331.5003-2-suravee.suthikulpanit@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240816154331.5003-1-suravee.suthikulpanit@amd.com> References: <20240816154331.5003-1-suravee.suthikulpanit@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MWH0EPF000A6733:EE_|SJ1PR12MB6052:EE_ X-MS-Office365-Filtering-Correlation-Id: 0e360eef-2711-40f2-3673-08dcbe0a3e77 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|36860700013|376014|82310400026; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?XtYvamNWbZW86LeW+CCCWLfntsDx2ULn7QLub0X1pOsfkZzm6tTdWyzu61oK?= =?us-ascii?Q?BgWQKcI2SutVt4sNt67HAf6bf0R60pNN03Jtr1OXkVf5GoP3xlOHXn54kZFV?= =?us-ascii?Q?W9oyaUeDjxnQluuO9QtcDKjvCnDWld3AxzFW9lTL32Zf3MX5bMFWVKiC61pK?= =?us-ascii?Q?VcxVYKXaguGm3O9Y8JlrLhTmHx1sHbbuNMBXrODSkOi/5mjKAldTE31ebeFj?= =?us-ascii?Q?DC/S22IC+LmgraNqBGbJlBJRIOgBFH09sXD7ZfTFpsP6ZhaUvjzvC88sRhL6?= =?us-ascii?Q?ilwXefBLPejflALZyGdlEHLjDpfShA8aqf0CWd2IKKUq0mWhiMuICgUpE4ix?= =?us-ascii?Q?ZVfMw661nkR/M8TA4lqvX1xw5XtHs4ChzAFVaE/HyeWcUlhIKKG565Eppelv?= =?us-ascii?Q?oSVnyZr4f5QawfMdKXINIyJZSo5yjqdCMM7dGudELwfz1JdUy+d5QsJBX8Mz?= =?us-ascii?Q?mx8YaFpRD0CnXzDr6GeyS9JTq3L8K8mkWDiDmtNSQteOC5YuOAauI/qqW2wY?= =?us-ascii?Q?HyYjAkeSLpoPymE31QEC7BZknTCaBH4DViz7MRXokSq8Gbz6WdYvfhA6yFRk?= =?us-ascii?Q?wNO9UuuSQ6/Lke+iLV/IocCz9570Wnzo1/YCtXGmgSTwD04A17ufuEH6eCww?= =?us-ascii?Q?wHM64z9PfJsfZeAYMsAAt/jVEZ0rN8wbVlA0RSmwQu/rGZ1MB7MaIaJ1PP/E?= =?us-ascii?Q?iXU4wIaogbB7fBBG3h9BNV3aFnZOGXkr1FxhdFrTR2SlOaigg9+LficdQ7aa?= =?us-ascii?Q?xPFSoyaZ26asrQmAh9NVBdtxIzUHfkYpOWeFx6vgcKTp7Wyc2qJ2GWBoFips?= =?us-ascii?Q?QpLAvAsHdf+1WNExgXpuoa675CsYSvC2gYOF91/oLLe9+1tQg8Kj7ujwlT6d?= =?us-ascii?Q?1yyzCxcfCCZRPAsAQIxrWinGGpFZ+O1mC9oQmQf6Gq/fbNWlCoH1JNwDzprg?= =?us-ascii?Q?yr6Kw9LmTWnb94f4+gH+0AArNKLY3pTuLdobNHbpKI2WEbKhk0XMByyEY5Xh?= =?us-ascii?Q?JQRCe7FmP50iHBYuS+IJEZq7G5mfRiRYalmyW6RzariJUV1Yj4wscAekpjUK?= =?us-ascii?Q?tVI47bvzJJ4qcWtl7My98sBN+0enB8mYrU3u9J6+BBlc3ff5nitdXs256IJc?= =?us-ascii?Q?7QGCtL2aBp1o09i/wYZiU6x+AjAAoSkJe+uU5OIAigP2KtaDg7LFuOp09Sf9?= =?us-ascii?Q?/G+0oofEcrfVy0qqo4BzUwsnO0f+d/jGYfgAz3MBHRwx3ux43OCessLOUH66?= =?us-ascii?Q?JEyMUVmTkmAzusyZ+B3ilEB/lKF8LrgCE5wP4LuTkElmfWjDiJa6WICWp6xo?= =?us-ascii?Q?2eROTD8wnnNSBCU3tnzy9lmhAkfcueIGuf5lw8Z0DyHCMaVq0xwlTa7+ap6I?= =?us-ascii?Q?po/J1weo/YtTUjnuponWQWisIFY3bNBQYdc0J5SdqpiHMuHP1PyKXGnOC1yU?= =?us-ascii?Q?QQU2QApAIGa7oS2MR+NbJtqpgx8cXQlU?= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(1800799024)(36860700013)(376014)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Aug 2024 15:43:58.4843 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0e360eef-2711-40f2-3673-08dcbe0a3e77 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: MWH0EPF000A6733.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ1PR12MB6052 Content-Type: text/plain; charset="utf-8" To track DTE[GIOV] programming during IOMMU domain attach, also add logic to determine if the GIOV is required, and set the variable accordinglly. Signed-off-by: Suravee Suthikulpanit --- drivers/iommu/amd/amd_iommu_types.h | 1 + drivers/iommu/amd/iommu.c | 10 ++++++++++ 2 files changed, 11 insertions(+) diff --git a/drivers/iommu/amd/amd_iommu_types.h b/drivers/iommu/amd/amd_io= mmu_types.h index 2b76b5dedc1d..9be761ba0214 100644 --- a/drivers/iommu/amd/amd_iommu_types.h +++ b/drivers/iommu/amd/amd_iommu_types.h @@ -544,6 +544,7 @@ struct gcr3_tbl_info { int glx; /* Number of levels for GCR3 table */ u32 pasid_cnt; /* Track attached PASIDs */ u16 domid; /* Per device domain ID */ + bool giov; /* Track DTE[GIOV] */ }; =20 struct amd_io_pgtable { diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index 87c5385ce3f2..4667b6c4906f 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -2011,6 +2011,16 @@ static int init_gcr3_table(struct iommu_dev_data *de= v_data, if (ret) free_gcr3_table(&dev_data->gcr3_info); =20 + if (!ret) { + /* + * GIOV is required for PD_MODE_V2 because we need + * to support the case where the end-point device + * does not have PASID in the TLP prefix when setting + * up to use the v2 table. + */ + dev_data->gcr3_info.giov =3D true; + } + return ret; } =20 --=20 2.34.1