From patchwork Fri Jan 27 20:04:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolin Chen X-Patchwork-Id: 13119364 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 01F7CC54EAA for ; Fri, 27 Jan 2023 20:19:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=pVeVRpa7RbTND7oV8gjt9O0XHCFlvBe6kQB6ol/MY+E=; b=S4X2li4lSkjF3w rS/42gnhNXE2jlhKEygjkrKB9bfQ26nopLbkafgyC3jsCPTkKhPpRJhS7M2ft+U3L2gPTD4uTqRDY 7zC5z4D7SyTR/dJSqLwhHYbUJqlEcQbqxAjAjKV6QvlUIusq5uzFQKLfsQSG1mSZE/kjWJaHKUqrC 5Qvx2CgdiJSkHLc5zmYEGub//uK0dzw7Rw3VW+kSwKbHBza8+WZaN6p0xy9xgkL7cde5YSM/vQGBU Y6XPq/gdmFsqHHnBDdS/dzuk6/rRP7VaWfvfOJ4vkN7uqtJ/3+IxfftEuQkPZMlz48QiREzsWwUXC UaXRJ4aZErxyxoJvssMg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pLVB1-00GMZO-QG; Fri, 27 Jan 2023 20:18:25 +0000 Received: from mail-bn8nam04on2060c.outbound.protection.outlook.com ([2a01:111:f400:7e8d::60c] helo=NAM04-BN8-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pLUyK-00GI1o-Tv; Fri, 27 Jan 2023 20:05:18 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=J3rcDnhsQSnEkly2N0k8HFUEjMZx6Thg5Duvku+27pNLvBmVNo1S8B9a+JxylOuhIcuWSNvb5ISMSzRxuz4oGhuxCQSALBfnPS8Q2JpMzfRmhrmHW5RdUuxuPd17ve2DHbFzQeIY7brqGtQztjl+YXl6gAFOu5Cl8f80dXCFmpKyeJLpLTgliXRORCa8Go7hNXGNavrfaZCZuU+hZpdPniQXjxS+svV2Qsk7lefJiKz60oIfG/wsYqFpgF86/HrDQEVO+GCaBZgB7kefr/SmEnLakgLFOUxIKYouKH/U3WJisdrcB5oBVkD+mjSzGkPdLmvowIWZzPjw6dFIxKMsWw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; 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=uWv5oShpOqmRwrYUOL8K7idqgxwF1nEJXKyGa5wWZYQ=; b=Uks1od/m3EYbes9KqTCOgaPREUI5nlbUCTdT9JZBycOGEFLFh+durnv7/qtJcsSTgBbTAdJUrgQ9F77aQlltSODVpmON9X7qhsIQYaPwMw3QjecRCRqD5rnTbx/FCrv74ptbeRNia0Lk7g/1JsnaEjGz8dlo/f+C5tj6z0+eFiDT/ZuG8i5Ht6UPhQoHtCfsMXH/CvX1TcSAx1h+QDAduqd8uha2i4wWBBVsGjjYiqJxOYGBTc5tuqiD5yFt8HCSvtPaA+iEkovwP0M5f8iKeJu7QbJnzUwIIh1s18fJK3506ZR8qMfo38ewegRk4yfeU9tn72t7Cu84wJt/NvhI8A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.117.161) smtp.rcpttodomain=lists.infradead.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 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=uWv5oShpOqmRwrYUOL8K7idqgxwF1nEJXKyGa5wWZYQ=; b=Xls7BTZayMdQxeMPSnGrHbQ3DzmIi+Ty97STYvPjY0jr3ZKU6NddUh2/MCt96kR7ygsC2AobfMavTQpJAzwKONelZrrHZcpEin8oYn3emXZ6IbW3JhG/niVdbVduEfUIg3Ahb7XNNkS96XXXzoRKME8SQiy2ajZbKeEkRkJ8H/k6V3Q61wRZeeCeboFz3xn7VHZu/O3g6JARQCLBzIxl7yNilnhp/WVImdN8/GrDtrU5y6VF/7uOg1+G6R1xo+/qKww3FzrE09vj5EhZp3AWXKlB7AnqwM0PIVpdmOxLmS+oDc959G86dHTK8WBM24xQwbGQ/kiMDTs4POU25z8CBg== Received: from BN0PR04CA0130.namprd04.prod.outlook.com (2603:10b6:408:ed::15) by PH0PR12MB5645.namprd12.prod.outlook.com (2603:10b6:510:140::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6043.22; Fri, 27 Jan 2023 20:05:11 +0000 Received: from BN8NAM11FT112.eop-nam11.prod.protection.outlook.com (2603:10b6:408:ed:cafe::34) by BN0PR04CA0130.outlook.office365.com (2603:10b6:408:ed::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6043.23 via Frontend Transport; Fri, 27 Jan 2023 20:05:10 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.117.161) 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 216.228.117.161 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.161; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.161) by BN8NAM11FT112.mail.protection.outlook.com (10.13.176.210) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6043.22 via Frontend Transport; Fri, 27 Jan 2023 20:05:10 +0000 Received: from rnnvmail204.nvidia.com (10.129.68.6) by mail.nvidia.com (10.129.200.67) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.36; Fri, 27 Jan 2023 12:05:00 -0800 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 15.2.986.36; Fri, 27 Jan 2023 12:05:00 -0800 Received: from Asurada-Nvidia.nvidia.com (10.127.8.12) by mail.nvidia.com (10.129.68.10) with Microsoft SMTP Server id 15.2.986.36 via Frontend Transport; Fri, 27 Jan 2023 12:04:58 -0800 From: Nicolin Chen To: , , , , , , , , , , , , Subject: [PATCH 3/4] iommufd: Do not allocate device object if broken_unmanaged_domain Date: Fri, 27 Jan 2023 12:04:19 -0800 Message-ID: <74f7033192488c472ca04b7d03e4dc5705f80cc0.1674849118.git.nicolinc@nvidia.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: References: MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT112:EE_|PH0PR12MB5645:EE_ X-MS-Office365-Filtering-Correlation-Id: b5919e60-d0da-458f-8b87-08db00a1cb75 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230025)(4636009)(136003)(376002)(396003)(39860400002)(346002)(451199018)(46966006)(40470700004)(36840700001)(47076005)(82310400005)(8676002)(36756003)(40460700003)(40480700001)(336012)(7696005)(316002)(356005)(36860700001)(921005)(7636003)(426003)(2616005)(26005)(186003)(86362001)(5660300002)(4744005)(7416002)(110136005)(478600001)(6666004)(54906003)(70586007)(41300700001)(82740400003)(8936002)(2906002)(4326008)(70206006);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Jan 2023 20:05:10.4238 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b5919e60-d0da-458f-8b87-08db00a1cb75 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT112.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR12MB5645 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230127_120517_038761_8EBACD43 X-CRM114-Status: GOOD ( 10.05 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kvm@vger.kernel.org, iommu@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, jonathanh@nvidia.com, linux-mediatek@lists.infradead.org, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add a sanity of the broken_unmanaged_domain flag to reject the use of iommufd in the early stage, if the flag is set by the iommu driver. Suggested-by: Jason Gunthorpe Signed-off-by: Nicolin Chen --- drivers/iommu/iommufd/device.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/iommu/iommufd/device.c b/drivers/iommu/iommufd/device.c index d81f93a321af..41b55615a693 100644 --- a/drivers/iommu/iommufd/device.c +++ b/drivers/iommu/iommufd/device.c @@ -73,6 +73,9 @@ struct iommufd_device *iommufd_device_bind(struct iommufd_ctx *ictx, if (!device_iommu_capable(dev, IOMMU_CAP_CACHE_COHERENCY)) return ERR_PTR(-EINVAL); + if (!device_iommu_unmanaged_supported(dev)) + return ERR_PTR(-EINVAL); + group = iommu_group_get(dev); if (!group) return ERR_PTR(-ENODEV);