From patchwork Thu Nov 30 01:10:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Gunthorpe X-Patchwork-Id: 13473857 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="GrHVtnkN" Received: from NAM04-BN8-obe.outbound.protection.outlook.com (mail-bn8nam04on2053.outbound.protection.outlook.com [40.107.100.53]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F0EED7F; Wed, 29 Nov 2023 17:10:51 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Ph6Y0TDGKfYsXDdQSmbALLvMUMKS+Cn/AQ9CxmrCBemkMPo94kuZ4aD2TIDp6wieURJKWCLPGcl+pW2Np349cNP4NjhU0BvP/hhNPgP65H9aAiPJbKpws7X5u2GJUoq4j/Tvc7/UO28rw7OKc1+f9/0JZYlOCo4tyoImoWydZouh9tAnMxR5f8uzcFJutRh5L0GAOUkwSAcdSfumBQRxIi98THjpGffPOhNYFwqYkzcSrnOLnHkAzTVhTxIvswVT6wXVAjOAvbXmVTvCd4HOxymggJUyhAVEy7Ljy+ebP5bWiJzUoUVTT5xVeeoVxJNsGqu+RzZnv69cZopE0zlT/w== 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=jXjpmP7B5IXGBNr1m7J/QuIsLVIPvAV2ilVtcRlro38=; b=a7MaYNd2k1apltwaLBv2Dp9bbri47KvSoAvDT6r+ZDElO8PLoD6W1gwFUG4f2uGu8ASfh1yTPH3MFM7+mjpK+LEzQW7hTtGdveaGI3F8GL9X75VDH7JPQRrJUDTLygephqR8BuePPeFBUxHju+2feVigBZTXmAtrf3A4W4StEzNk17qta90Qx0v2ef6DSN2TBx+Vq52Bn7C2hhN6J97Vru5Ay94nG85octFN67Y62pUaHqgxZd4gTn2GFfQP1iuZ8kKx9qNNUpHzQvVxFNMViv7LY/WUhjh9RDAHhrOF5l5A4R9iQvHJXdQHcktry7JFpo4Q1zGDO0IwveaCiRP65A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com; dkim=pass header.d=nvidia.com; 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=jXjpmP7B5IXGBNr1m7J/QuIsLVIPvAV2ilVtcRlro38=; b=GrHVtnkNkesZP7N37XdbYLMO92J0aXq1ByvSk9FZFfawvdsHozrADXtV9h6xhjFzhiWImFTpFGIwl2hFYmZu1m0qIZFfeTt8Dom3oce/uFb538QsNZtJa44asfBg8jNIA66Gc2Dt3dOhEPliO1v7G1SgXzfGsXw8SiIBNf40ZnSwar5r9Na1pvHnHcqf9JnaT2XJywr6QPuWJG8F/DAEAqmHuE0L3dbtbkYBTGkLyAvJbg+E1Wo03xtPwkcjZM89IEdlPCjy/KKJwu5ICzcQ5TFVOuy83b221Zo0Jwo4gffjOPzet51STQwuD5NutSrMnkHbsbrGCZSnsVwKyYIe7Q== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com; Received: from LV2PR12MB5869.namprd12.prod.outlook.com (2603:10b6:408:176::16) by DS0PR12MB7607.namprd12.prod.outlook.com (2603:10b6:8:13f::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7046.22; Thu, 30 Nov 2023 01:10:43 +0000 Received: from LV2PR12MB5869.namprd12.prod.outlook.com ([fe80::60d4:c1e3:e1aa:8f93]) by LV2PR12MB5869.namprd12.prod.outlook.com ([fe80::60d4:c1e3:e1aa:8f93%4]) with mapi id 15.20.7046.015; Thu, 30 Nov 2023 01:10:43 +0000 From: Jason Gunthorpe To: acpica-devel@lists.linux.dev, Andy Gross , Alim Akhtar , Alyssa Rosenzweig , Bjorn Andersson , AngeloGioacchino Del Regno , asahi@lists.linux.dev, Baolin Wang , devicetree@vger.kernel.org, Frank Rowand , Hanjun Guo , "Gustavo A. R. Silva" , Heiko Stuebner , iommu@lists.linux.dev, Jean-Philippe Brucker , Jernej Skrabec , Jonathan Hunter , Joerg Roedel , Kees Cook , Konrad Dybcio , Krzysztof Kozlowski , Len Brown , linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-hardening@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org, Lorenzo Pieralisi , Marek Szyprowski , Hector Martin , Matthias Brugger , Orson Zhai , "Rafael J. Wysocki" , Rob Clark , Robert Moore , Rob Herring , Robin Murphy , Samuel Holland , Sudeep Holla , Sven Peter , Thierry Reding , Krishna Reddy , virtualization@lists.linux.dev, Chen-Yu Tsai , Will Deacon , Yong Wu , Chunyan Zhang Cc: =?utf-8?q?Andr=C3=A9_Draszik?= , patches@lists.linux.dev Subject: [PATCH 10/30] iommu/sprd: Move to iommu_of_get_single_iommu() Date: Wed, 29 Nov 2023 21:10:17 -0400 Message-ID: <10-v1-f82a05539a64+5042-iommu_fwspec_p2_jgg@nvidia.com> In-Reply-To: <0-v1-f82a05539a64+5042-iommu_fwspec_p2_jgg@nvidia.com> References: X-ClientProxiedBy: SN1PR12CA0079.namprd12.prod.outlook.com (2603:10b6:802:21::14) To LV2PR12MB5869.namprd12.prod.outlook.com (2603:10b6:408:176::16) Precedence: bulk X-Mailing-List: linux-samsung-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV2PR12MB5869:EE_|DS0PR12MB7607:EE_ X-MS-Office365-Filtering-Correlation-Id: 14aed4a1-bf58-47eb-12ad-08dbf1412b13 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:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:LV2PR12MB5869.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(396003)(39860400002)(346002)(136003)(366004)(376002)(230922051799003)(186009)(451199024)(64100799003)(1800799012)(38100700002)(202311291699003)(83380400001)(1191002)(5660300002)(110136005)(2906002)(86362001)(4326008)(8676002)(8936002)(66556008)(7366002)(7406005)(7416002)(66476007)(66946007)(6486002)(478600001)(6666004)(316002)(36756003)(6506007)(41300700001)(6512007)(921008)(26005)(2616005);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 14aed4a1-bf58-47eb-12ad-08dbf1412b13 X-MS-Exchange-CrossTenant-AuthSource: LV2PR12MB5869.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Nov 2023 01:10:40.1895 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: RImw/klw6uR5u3kIEI5FDYwuyW8PkAy+C/GVi680wwYw6hU0nSKvh/ViUO5uWBs7 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB7607 sprd suports a single iommu instance and only a single id. Parse it directly using iommu_of_get_single_iommu() and remove sprd_iommu_of_xlate(). It stores the iommu, not a per-driver struct in the dev_iommu_priv(), keep it that way for now. Signed-off-by: Jason Gunthorpe --- drivers/iommu/sprd-iommu.c | 32 ++++++++++++++------------------ 1 file changed, 14 insertions(+), 18 deletions(-) diff --git a/drivers/iommu/sprd-iommu.c b/drivers/iommu/sprd-iommu.c index 537359f109979b..f1b87f8661e199 100644 --- a/drivers/iommu/sprd-iommu.c +++ b/drivers/iommu/sprd-iommu.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include #include @@ -383,32 +384,27 @@ static phys_addr_t sprd_iommu_iova_to_phys(struct iommu_domain *domain, return pa; } -static struct iommu_device *sprd_iommu_probe_device(struct device *dev) +static struct iommu_device *sprd_iommu_probe_device(struct iommu_probe_info *pinf) { - struct sprd_iommu_device *sdev = dev_iommu_priv_get(dev); + struct sprd_iommu_device *sdev; + + sdev = iommu_of_get_single_iommu(pinf, &sprd_iommu_ops, -1, + struct sprd_iommu_device, iommu); + if (IS_ERR(sdev)) + return ERR_CAST(sdev); + if (iommu_of_num_ids(pinf) != 1) + return ERR_PTR(-EINVAL); + + dev_iommu_priv_set(pinf->dev, sdev); return &sdev->iommu; } -static int sprd_iommu_of_xlate(struct device *dev, struct of_phandle_args *args) -{ - struct platform_device *pdev; - - if (!dev_iommu_priv_get(dev)) { - pdev = of_find_device_by_node(args->np); - dev_iommu_priv_set(dev, platform_get_drvdata(pdev)); - platform_device_put(pdev); - } - - return 0; -} - - static const struct iommu_ops sprd_iommu_ops = { .domain_alloc_paging = sprd_iommu_domain_alloc_paging, - .probe_device = sprd_iommu_probe_device, + .probe_device_pinf = sprd_iommu_probe_device, .device_group = generic_single_device_group, - .of_xlate = sprd_iommu_of_xlate, + .of_xlate = iommu_dummy_of_xlate, .pgsize_bitmap = SPRD_IOMMU_PAGE_SIZE, .owner = THIS_MODULE, .default_domain_ops = &(const struct iommu_domain_ops) {