From patchwork Fri Jan 27 20:04:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolin Chen X-Patchwork-Id: 13119365 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 54BDFC38142 for ; Fri, 27 Jan 2023 20:21:22 +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=o/cP3+QQ1A9/sZQ8kZI28VP5XWBVOIzbcdbqcH8O2qA=; b=GEBiaRrWqx6UEV PgvL2rGWecxVeLK1HAFp8ZHBabaOJ2hkaUX9oMlRY03vgiPlsZBbEhy5ls81M50hIDAEw7lMQpBj3 aYIGyK4mZJ4RDNiDb8/btZEVzcFrouFfW6XKUM7Am0HR07c340HEBQHV9Sg7lAgSiHsLhWCik2CG5 YPZnyQqNA0LzUxjGaX0gevIAu6m0zzrCfU7skez9VI/wSgNN+dnJVVM+z1IjACBnDBCdKn+isuvMr JJMPvPYQSaKGTAGocbfe4dpAqXYwxlAFpmQLPOuf7KU1ELg6YJx1RcsfNFXyWWc9R/9T4QubiIr1N 9FCriYlPynS9hnyAmfSA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pLVCL-00GMzv-Ig; Fri, 27 Jan 2023 20:19:48 +0000 Received: from mail-dm6nam10on2070.outbound.protection.outlook.com ([40.107.93.70] helo=NAM10-DM6-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pLUyK-00GI14-18; Fri, 27 Jan 2023 20:05:18 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=mIG6GzZbsr0lrv5MBoky3paRa9iZWjwo2nkipGreTUj7HR/0KpmRo88/VqXGpk3bqce6lzVtU9R0TewHUqvgAOOweRStRyOWJ58pOASX10SW0STre6/eh/5F/e5qkc04s95OviUdu2+pIc+xEddEtlpy5utnPa+AanqDuaRd55iKh3+Tc+8GgSJ2S1pBUOj4pP6/dyGiV+fSazxuw/R+pZsMtNpsGcoOMtyPtAVNG/T3yqwMSJdbS2X08lMj6XP9Lh1CxTfdSsHbbEm/xKLn9Hf1HP33dD894sXJ73UsTaL8dE+Kx0W1Uh8Aiqp6X5JmzzjKvsdMoARdH7MAkCqEJw== 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=o7EmmtTfdC1T2cy1HdvKUC7kTulqclX17gm9CF+M76o=; b=RQCY3oEDTPRqE7cyizjGO9M+j83o4d1gLgGKOIqEQWxtLegS7QdBwF4EHxm1lXbrpfqAu3VC3VuSmniJMBs2pvEMsbsW9pGkIIA/SbnRRsOIrcGZrFonVgybMIJyK43RZFQUxpD8f5j7HkUTqq32TLODOtUGpwbzpGjF/Syr4ubf4CQi86876ihOUojsE34kc4NrySGnEc1NTKXsqLvPqIlJApAL6XjA+JhSFdipT5jT3n7ecTqXoBbXArQ43sLgNpNQBF2R8S7NgdZtHSrsPxBhEbUQTx1KDx1XyFiPwAwO/Dbwvacuqcrzqww8QaOnOuAaJwTvnyzI0gYz9/96+g== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.117.160) 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=o7EmmtTfdC1T2cy1HdvKUC7kTulqclX17gm9CF+M76o=; b=asCisvUzJrfR14Og7RP/mS0grPh2gsbr777KreyStjvscxOBUhvtQVPLBVXLvqwaU1AFCtrxWIdTCvBI0ftYFVErTiDCZVpvoq0DUc08QjecUgyi9KkczxK3XxuOGUttTTCiJ4NP52K0Qi3PA6N3B5EPS4UcUAjUHGR2Csk4chhQuRxijYlSsAc8kWhEMKuR4VnyELda04BCd6kGmHMZhQ98sVSu8QkOl2Rhed5MJ7VYnpWwefm6No3S4N1as+5SovWjH9oHAobUfNUCdnv5hd1seMUvhRh1mAdpJyAR/5OWIrLtNWovuhWBqNNFTax6wRoh2OdGuLBJEhCCVFc3rg== Received: from BN0PR04CA0065.namprd04.prod.outlook.com (2603:10b6:408:ea::10) by DS0PR12MB8365.namprd12.prod.outlook.com (2603:10b6:8:f8::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6043.20; Fri, 27 Jan 2023 20:05:11 +0000 Received: from BN8NAM11FT039.eop-nam11.prod.protection.outlook.com (2603:10b6:408:ea:cafe::10) by BN0PR04CA0065.outlook.office365.com (2603:10b6:408:ea::10) 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 20:05:11 +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 BN8NAM11FT039.mail.protection.outlook.com (10.13.177.169) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6043.21 via Frontend Transport; Fri, 27 Jan 2023 20:05:11 +0000 Received: from rnnvmail205.nvidia.com (10.129.68.10) 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 15.2.986.36; Fri, 27 Jan 2023 12:05:02 -0800 Received: from rnnvmail205.nvidia.com (10.129.68.10) by rnnvmail205.nvidia.com (10.129.68.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.36; Fri, 27 Jan 2023 12:05:02 -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 12:05:00 -0800 From: Nicolin Chen To: , , , , , , , , , , , , Subject: [PATCH 4/4] vfio: Do not allocate domain if broken_unmanaged_domain Date: Fri, 27 Jan 2023 12:04:20 -0800 Message-ID: <42f5cec9d3f03eab3af9509bd5a730f6a1414989.1674849118.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: BN8NAM11FT039:EE_|DS0PR12MB8365:EE_ X-MS-Office365-Filtering-Correlation-Id: 16aa347e-5ccd-4e8c-007b-08db00a1cc0b 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:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230025)(4636009)(396003)(376002)(39860400002)(136003)(346002)(451199018)(36840700001)(46966006)(40470700004)(8936002)(2616005)(5660300002)(41300700001)(70206006)(2906002)(70586007)(4326008)(8676002)(7696005)(336012)(186003)(6666004)(26005)(83380400001)(426003)(86362001)(82310400005)(47076005)(82740400003)(316002)(7636003)(4744005)(7416002)(478600001)(54906003)(110136005)(36756003)(356005)(40460700003)(40480700001)(921005)(36860700001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Jan 2023 20:05:11.4190 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 16aa347e-5ccd-4e8c-007b-08db00a1cc0b 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: BN8NAM11FT039.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB8365 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230127_120516_217432_4585AB1B X-CRM114-Status: GOOD ( 12.91 ) 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 vfio_iommu_type1 in the early stage, if the flag is set by the iommu driver. Suggested-by: Jason Gunthorpe Signed-off-by: Nicolin Chen --- drivers/vfio/vfio_iommu_type1.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c index 23c24fe98c00..6ec238aefe89 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -2170,7 +2170,10 @@ static int vfio_iommu_domain_alloc(struct device *dev, void *data) { struct iommu_domain **domain = data; - *domain = iommu_domain_alloc(dev->bus); + if (device_iommu_unmanaged_supported(dev)) + *domain = iommu_domain_alloc(dev->bus); + else + *domain = NULL; return 1; /* Don't iterate */ }