From nobody Wed Feb 11 05:17:51 2026 Received: from PH8PR06CU001.outbound.protection.outlook.com (mail-westus3azon11012013.outbound.protection.outlook.com [40.107.209.13]) (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 B26DA32AAD9 for ; Mon, 27 Oct 2025 18:54:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.209.13 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761591298; cv=fail; b=MgTSkbYjdcMmQ7FG8/fbNE+rjZC99i6oqsHFZROBfUQDFKFnppzdrmCVw1+tAuJhJ/FAtALDV4+Cge11l/33nqYQLBbODQRpV8Xzxlq0SWC7rAMnSMuQD27iT9GNDJOGy99Gmbu8hKJacMKmFLNVQRcopXwtxZtLWgZT6QvqZs4= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761591298; c=relaxed/simple; bh=xgzFpVrLkzYdxQafr/ZsDBol0x3vUnokHIREs/O0aLE=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=vB8dK0DDfwmos+IKEtMfcJ3tub4pQsjVl3q6UpR7gUX+RcdxJ0scb4GlWyY6GR4lRQ2dtVBPGAaXi/AEI68Vaf+hEybwCfclLiJZSNudFVrWjgyodXQL3e8RZdsnCcCzyI3XwDSRLlST3RaNyfyViTaczcFUr2cauwlAb7jt9ZU= 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=FQWKY3lm; arc=fail smtp.client-ip=40.107.209.13 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="FQWKY3lm" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=kBpEyMbN6HQBxIX20ifSJTV1f3AiuG/WV3JOMO/sV16lr6oo9UCFpcd8lWx6kt74KtyHsPqIiqD6R6MzIuKSq1+VLMgkOVpjYUPhaAHWDIrJw48F2mrz9WxK5EDhw+Ou6Ccl5fJ3Zd/B7OVktQsBqlI6KxzAceRvaKe/UIV+LRVsYrNyvI/1L+eI5oJnIbITEvN+DOrjX8OQxyh+2kvkJ57eB9anaVmNuY1QhH1XxdelSeWIxuwyOf3T/1jDr6AwmMXnFLakriY38AKFs9tNjwrGA/E6ju32BqoJY5srbaFY6cDvn+o/eCei5zKgRnzrhoZ5E2MuzpZSiTrYIqSoaw== 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=wyp2uxdJSaWI/GLKYnSpX8UVcm+Vvxd+5Dyzn0Jm0eA=; b=ge5YP4MdYW7MKFGd+hPOyHR73+fC9VJI9B9NimSTeaIKl6e8DHQi19gTiKJCSjpkNmZiFDOjLZfiroLS+kBt8P80CA2XmQP2IpMC6sBGOBFBqWN4k5Iukea0q27pseQDeyfhXcFgyHuvxyoTpmXKh042L50VKHQ96+gYHUx32b8hiFoCszHCskDPgR+xv++TE6ISq9h22Hoqr4CZOJWwyoKT5EknJKOZ3i4l7rdQqELxlOS0hMZ2N4AF0byllWWiFKhLV+f76HsYXTepTiM+o8a+wJQwZ0y5Iq3szvnETwW+TymmdVxyLdpfZGt9fZgFkiye564XBD3Fm3XPY68KMA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.117.160) smtp.rcpttodomain=kernel.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=wyp2uxdJSaWI/GLKYnSpX8UVcm+Vvxd+5Dyzn0Jm0eA=; b=FQWKY3lmc0/22lLda2HRk7MDHEztCr9zPL/CYSRekeSG+/E7H63GajYfWUHAy6Z+5OvvGc2v0n+typor9eTDx7ZiCeVr3VNDMpvJwO28m+FYqwZ5yvMyGrDPrSokNvkYzp3DxoHRqXgoBw2f7h8FvZMv3aEletsYcrZ8XOeSbWNmu71WqWe1LNhleOIuKHn3/UZ2pAYjDTfo5aZL5Sm6RxecUZgrh61XYTkPRdUwIL3VJzDt2iWHCZ9FQt6s1z1zYIZLUv72F9ZDrVL6nZo6p/ufjwr3ZWkqw35VY0T2+pZ/zAtp0Elae8GptXZKHs2c+41PV1LKsuBXjPYorSDtVQ== Received: from SA9P221CA0027.NAMP221.PROD.OUTLOOK.COM (2603:10b6:806:25::32) by LV8PR12MB9619.namprd12.prod.outlook.com (2603:10b6:408:2a1::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9253.18; Mon, 27 Oct 2025 18:54:52 +0000 Received: from SN1PEPF0002636C.namprd02.prod.outlook.com (2603:10b6:806:25:cafe::db) by SA9P221CA0027.outlook.office365.com (2603:10b6:806:25::32) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9253.13 via Frontend Transport; Mon, 27 Oct 2025 18:54:52 +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 SN1PEPF0002636C.mail.protection.outlook.com (10.167.241.137) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9275.10 via Frontend Transport; Mon, 27 Oct 2025 18:54:52 +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 15.2.1544.34; Mon, 27 Oct 2025 11:54:34 -0700 Received: from rnnvmail205.nvidia.com (10.129.68.10) 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 15.2.2562.20; Mon, 27 Oct 2025 11:54:33 -0700 Received: from Asurada-Nvidia.nvidia.com (10.127.8.13) by mail.nvidia.com (10.129.68.10) with Microsoft SMTP Server id 15.2.2562.20 via Frontend Transport; Mon, 27 Oct 2025 11:54:33 -0700 From: Nicolin Chen To: , CC: , , , , , , , , , , Subject: [PATCH v4 1/7] iommu/arm-smmu-v3: Explicitly set smmu_domain->stage for SVA Date: Mon, 27 Oct 2025 11:54:15 -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: quoted-printable X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF0002636C:EE_|LV8PR12MB9619:EE_ X-MS-Office365-Filtering-Correlation-Id: 3a094855-8823-4619-5b35-08de158a4ff0 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|376014|7416014|36860700013|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?lFWVWYFq0sWWSRkoo36RuaQJ/NeYWjIa3g8+8i0fa3R5zKIsPLTGrHo0rDTR?= =?us-ascii?Q?XEGwQqdfrTEGcGx66hhNFckDCJX7LJTl8/mDQTvcJ/eg6AFhkq8IB3uuqjg0?= =?us-ascii?Q?K7eFEnrq14GYP9xJ+xgRM4C0W592MO9f823WxjfJ5L/sal4xs9xPTR6l1P3L?= =?us-ascii?Q?j3oyrg41h8iN581yxO9iBq/BM8tNDQU+SY8QQRdMDWV7vH0pkr0/27fJZXah?= =?us-ascii?Q?mVDvr4QQ4Zibp51j1fbi87MMye6u/UoI7fNTJeiOAAx4f5GZbTy6RQrUfWYV?= =?us-ascii?Q?rHIjhttkXHAHx4+/fVg1gC9oKyR/yTg+U4r9nnbTXQfeXP2nTZch9wE8RyXj?= =?us-ascii?Q?JaZrsjqTf6mklvjs+fvywRpVzgmUsBxlkTr+b3jw6rj4OsStUJVUWtixU311?= =?us-ascii?Q?B/+xV8yOz2He4sc2iiNFs1NiiJ1VByro7zHDmF4C0IQnw+Etpo/C8C0y1SrA?= =?us-ascii?Q?fDOqJ+fdVS9/bUVME4uHyUbk9lfI1qWlv4TOEKQ3VH1JkcmLUkaZQ4Vi/SQl?= =?us-ascii?Q?+V1OV42ZUCzM0lzAx8kHHbgG56CDHPbju0QUJUql1T+BdGX2d7A9YK3YP0wd?= =?us-ascii?Q?70lJOrY2+vSkXymiCDDphGbzyRBGKtB96pCdzstcFgBo38zWaNFV4aTczo9d?= =?us-ascii?Q?05bQ6gDbwv5ixAWQzJPeZmz5JEzy6qUiAWkTeIZeWtUn7I6B0Cn488GURECK?= =?us-ascii?Q?qGTXMW3RMmrImoSSGZpsiTjTDKQAHqWJ2rQ+QTVVTPuhAmHF0JVEqFUvAB1M?= =?us-ascii?Q?W6ltuug3xbvWlsdAYpNVZ1W/7gwudS7esz9IeEqVwHnlvFWGBLxxdCVcfxv3?= =?us-ascii?Q?J5OfSGsuqO1Let2O+05q/Hxx/fOiBTHbddz+/01Tzm76SaGYgn+RWIiOkdbc?= =?us-ascii?Q?QSqn96kcsjktV5Faq+PRWOn7HpfmvBF8/otP7kNJ4yaLLRl0iAbhoqzjuGqO?= =?us-ascii?Q?ZwyfBNXvtxJ33XAs1Q6BSpicUoyRH9ZEfiH5bVo1CTSNUgZWQMtD/sVYWNwo?= =?us-ascii?Q?sAc6GShUuZahZ67adyevDTjUmzIFnSJ03WIP9KpgZtoXPg08pFvDsNEKLZrA?= =?us-ascii?Q?6wAVUPUNomVWOvyA8gR8yc1d8MFJS1AOV3paFktLi8nBpApDX8EL/thDlD94?= =?us-ascii?Q?wdO3BcpkXrQk9+rNiWDG8YcpFkFAG7CfeRt4G2z+VKx25C42UhEoO7I9bFnP?= =?us-ascii?Q?U1BqrBuVFxBotodPGhqMFgmc4gvzhJuPqoq0+p4toCA5Dd5Amtr25SOXw3tQ?= =?us-ascii?Q?gQZyFlRBWR34S+hGnio3wZxikskXi7QddW7ranbEzSqozOzASGy4J8BJlvh6?= =?us-ascii?Q?YFpFFO7fQKNYT9YWphjxAWvr6xa3l1jnWkJcJOPGDjOzRjhoCTE6OeC2bSFs?= =?us-ascii?Q?L2Bmuesu/LsrnnL3OvLWjIyNQqDa+qaWLoZY1ItWvnQ0JS/12bGdcLR96l+z?= =?us-ascii?Q?wMDaMhktIeJxMBsSA2RoX25Kk1Rlz6UCD7k0KSFjArjW7dKngjSQ+zuzGtYN?= =?us-ascii?Q?5diEBX7IH3dgTto8lEQuynZuAqvcj/vxb0XwyCmUckDsSuZ3dX7DHRMy9Roq?= =?us-ascii?Q?45O0GWdxMjfP9nrnaT4=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)(376014)(7416014)(36860700013)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Oct 2025 18:54:52.2799 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3a094855-8823-4619-5b35-08de158a4ff0 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: SN1PEPF0002636C.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV8PR12MB9619 Content-Type: text/plain; charset="utf-8" Both the ARM_SMMU_DOMAIN_S1 case and the SVA case use ASID, requiring ASID based invalidation commands to flush the TLB. Define an ARM_SMMU_DOMAIN_SVA to make the SVA case clear to share the same path with the ARM_SMMU_DOMAIN_S1 case, which will be a part of the routine to build a new per-domain invalidation array. There is no function change. Suggested-by: Jason Gunthorpe Acked-by: Balbir Singh Reviewed-by: Jason Gunthorpe Signed-off-by: Nicolin Chen --- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 1 + drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c | 1 + drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 3 +++ 3 files changed, 5 insertions(+) diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h b/drivers/iommu/ar= m/arm-smmu-v3/arm-smmu-v3.h index ae23aacc38402..5c0b38595d209 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h @@ -858,6 +858,7 @@ struct arm_smmu_master { enum arm_smmu_domain_stage { ARM_SMMU_DOMAIN_S1 =3D 0, ARM_SMMU_DOMAIN_S2, + ARM_SMMU_DOMAIN_SVA, }; =20 struct arm_smmu_domain { diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c b/drivers/iomm= u/arm/arm-smmu-v3/arm-smmu-v3-sva.c index 59a480974d80f..6097f1f540d87 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c @@ -346,6 +346,7 @@ struct iommu_domain *arm_smmu_sva_domain_alloc(struct d= evice *dev, * ARM_SMMU_FEAT_RANGE_INV is present */ smmu_domain->domain.pgsize_bitmap =3D PAGE_SIZE; + smmu_domain->stage =3D ARM_SMMU_DOMAIN_SVA; smmu_domain->smmu =3D smmu; =20 ret =3D xa_alloc(&arm_smmu_asid_xa, &asid, smmu_domain, diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/ar= m/arm-smmu-v3/arm-smmu-v3.c index 2a8b46b948f05..0312bb79f1247 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c @@ -3064,6 +3064,9 @@ static int arm_smmu_attach_dev(struct iommu_domain *d= omain, struct device *dev) arm_smmu_install_ste_for_dev(master, &target); arm_smmu_clear_cd(master, IOMMU_NO_PASID); break; + default: + WARN_ON(true); + break; } =20 arm_smmu_attach_commit(&state); --=20 2.43.0