From patchwork Fri Oct 14 04:40:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Gupta, Nipun" X-Patchwork-Id: 2502 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7300:3c08:b0:7f:eb39:1b51 with SMTP id e8csp188589dys; Thu, 13 Oct 2022 21:45:35 -0700 (PDT) X-Google-Smtp-Source: AMsMyM7HYf/7F7V0UyZR1V1tpFiWFxAPNBypBz7SBPuKYIUcpPOvavYJd78pku87aWWTcZxwDTNC X-Received: by 2002:a17:90a:e7cd:b0:20a:c658:c185 with SMTP id kb13-20020a17090ae7cd00b0020ac658c185mr3727970pjb.114.1665722735110; Thu, 13 Oct 2022 21:45:35 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1665722735; cv=pass; d=google.com; s=arc-20160816; b=NVrSvgOoJo6QHte1Uq3uAWgXagJM6Daq3f3jEkqgyJtY0aJU4cwfrCdyw00t0Qjsv8 BIcwjR6hiViYKZA1nmOKCWlELadlmwlrsOQJSzZaFx9zbRh8h0Lu/DwuRzhjV5kSnE0v G8Yb1IhdSoeuv0YueUi7M9WWv1UH4P2wmyZdArxq5C+NiNxFQtec/EGSxNty7y7UOGb1 YtAIEDQtsXvlVlbQ1aE0Ab4ROfKE/qNSSFKwx8Kw3SL/0wfbujjjAEBTtwTA07EvGUz4 syFHfR7SVotkoC3O4QXvsnoVwAEm0LlbjFa40NBkUqHoclCGf57K1qgU9T43Te3WhvAx xJcA== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=SmYVvxz0wvs3BZvU0oP9HJ5OMvAW2v1a3YmJJAd9fu8=; b=WF4j/zNRlx84u9n41sHSvsF1NZv7oDZj7AEfwdUcGWQv7tyH+U29lm7tI4xzMB0aNx tRqzTupEggW5ezxbSgKBkT9eWAJJby1sK9wxUlCh95/FXaPjOCXlBEizP2VV7thOXg7+ +GUTF9ayv5sQq1loL/bA52XK+nJ8oxWacPwTf6TkIVszNJPPWtT/vbHfvvi22BCdET82 PGH8an4jdWigUtk2ojVz4Peonaczgb8n3yFsQTtaANdZq9fgD9LJu9z1o2nSr0rIb4u7 /wr/EW8V91W6OBSBmfsBGPlzRto/RGNqzva5qZ5av1lW61/JCTfOF1HQJqpnC9ChiGQg BYmg== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@amd.com header.s=selector1 header.b="is/Uei8G"; arc=pass (i=1 spf=pass spfdomain=amd.com dmarc=pass fromdomain=amd.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id z25-20020a637e19000000b0046088625baesi1585145pgc.753.2022.10.13.21.45.23; Thu, 13 Oct 2022 21:45:35 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@amd.com header.s=selector1 header.b="is/Uei8G"; arc=pass (i=1 spf=pass spfdomain=amd.com dmarc=pass fromdomain=amd.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229555AbiJNEme (ORCPT + 99 others); Fri, 14 Oct 2022 00:42:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36496 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229788AbiJNEmZ (ORCPT ); Fri, 14 Oct 2022 00:42:25 -0400 Received: from NAM10-MW2-obe.outbound.protection.outlook.com (mail-mw2nam10on2047.outbound.protection.outlook.com [40.107.94.47]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 395ED1FF9C; Thu, 13 Oct 2022 21:42:10 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=SuzRzkfDvyRjX9mJO2/VzZPDT7NCXWzpYY4JKf0O9+vaKOe67J2m5gnOkuFvIZLZTSVS5vIvGF1KKwfjquveyEY8OiUjDDtZitUBNqhhENG2rscM4XJIEgZ7uw27ZvxSVgwjs9C3BUJhJlJhm4gABvkR15r8yEBqzDc5Tb+hPigtNhME89ks4efKaX4/dENGLIjZkXrv6Kah5EngWWvzC6vNWKQAag4lkHkAvrgQIr8lUJ5LQm4ziTsZfUTY8pW9JsXitGD/cNbQSqPSbW14D76m1hQKmR0F4dZiwxUzB4Rbbwjqmm8kpQTJ+xoNJnA78uY8NjwyIC7yOxV9//lzUw== 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=SmYVvxz0wvs3BZvU0oP9HJ5OMvAW2v1a3YmJJAd9fu8=; b=TGkzy3BBsOBm4moINPJAUt99oLpQecMnkvPjdtZHgcJZUiCYzKAwRJybO0I0+Jm7mMM+9Kymwc1PySAOOryyhixCxIzcVtsxmHzqL/qEcU5fDu3UlMvzZHIf6p2+N0ZI1bMEbrbsEKNBm17+BNltYRH4zZCC6YNhz7iblB4JSuKC0FaJZK960fc6pLkXCAheXoJioar1uoF1FFMog6998fCuN3Idh67JF0UCCnft27qRremcb4iQzB6bCS2DV3NUrir6NR56vqkIvjDQaneTDAN1nf+Eo+61BP2suvU3p87EO2uaYVIK4v3lhRtsp9TbxQWpcNS9OQpRisjf6y/OMA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=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 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=SmYVvxz0wvs3BZvU0oP9HJ5OMvAW2v1a3YmJJAd9fu8=; b=is/Uei8Gpv21/6qThHu/pAmMWyWMqKFO3wdv2RRkXA7nnNePSBGGFz1JFg5u0KX42N2BRvD/Xyv7IM6DQe4zNyMDzFBNUukwwOzRDndKzcfkGx+lE834v2PSpuRAjicVrv/pLyNK1IVfkHckqqnTfopxx/oINPcl6fd16SfvuDY= Received: from MW4PR04CA0131.namprd04.prod.outlook.com (2603:10b6:303:84::16) by DS7PR12MB5959.namprd12.prod.outlook.com (2603:10b6:8:7e::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5709.15; Fri, 14 Oct 2022 04:42:07 +0000 Received: from CO1NAM11FT038.eop-nam11.prod.protection.outlook.com (2603:10b6:303:84:cafe::2f) by MW4PR04CA0131.outlook.office365.com (2603:10b6:303:84::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5723.26 via Frontend Transport; Fri, 14 Oct 2022 04:42:06 +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=SATLEXMB03.amd.com; pr=C Received: from SATLEXMB03.amd.com (165.204.84.17) by CO1NAM11FT038.mail.protection.outlook.com (10.13.174.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5723.20 via Frontend Transport; Fri, 14 Oct 2022 04:42:05 +0000 Received: from SATLEXMB07.amd.com (10.181.41.45) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.28; Thu, 13 Oct 2022 23:42:01 -0500 Received: from SATLEXMB04.amd.com (10.181.40.145) by SATLEXMB07.amd.com (10.181.41.45) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.28; Thu, 13 Oct 2022 21:41:36 -0700 Received: from xhdipdslab49.xilinx.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server id 15.1.2375.28 via Frontend Transport; Thu, 13 Oct 2022 23:41:28 -0500 From: Nipun Gupta To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , Nipun Gupta Subject: [RFC PATCH v4 4/8] bux/cdx: support dma configuration for CDX devices Date: Fri, 14 Oct 2022 10:10:45 +0530 Message-ID: <20221014044049.2557085-5-nipun.gupta@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221014044049.2557085-1-nipun.gupta@amd.com> References: <20220803122655.100254-1-nipun.gupta@amd.com> <20221014044049.2557085-1-nipun.gupta@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT038:EE_|DS7PR12MB5959:EE_ X-MS-Office365-Filtering-Correlation-Id: 21e58fa5-a159-46ab-2efb-08daad9e7223 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: eGvN1LvacLKgFRjOIHuBl6MZyaU4j78wXlvutMII/ppepPTdSuGWPtngVQqDLEESFHIlV3Ab7xGF/UqHGazN8yvx7BJVBZysDzEhlMssww55+geu/mgib3JjnnrsY7qZuDaGVwLbngwL5S1JdwBOX5iinLnx1nzqeMnFY2pr41plbLIeUpyeCVocPdTEvJ4qalVI6amkZwMt+tScnaFjdzUoPVWxde3SoaDOT4D84R0a/X9kz/6xu4H/kGkyYJZvzh8M6VuLsb5+Q4X757Tnv+QGS5qJGVj9QjDQxq+I9g7up4ouvBfhae5dchjX1PW7PHan4WI5TXDp1aCqaEVpxXkwrkUJmKXTlkyhVJqltdC8hlKh9s44OQV5B0FAe4QbyfF0MVUzYgYzKJiZy0Ky/wxPIH5CMznniO0JBRJektS2J+ZXEBYyfTb9FUgdmyNrweVwRxJwxsQzqfwzJdnxVSUu7ddWDa9f/D8bTADcinI72r0jJqNtn+FTnvy4I86SHftRLCmJ24Z3e5+fV7SWsbtahC39hXQ8Vsi9N5T6Do9t8nGKw/IfziDcbL45Y+cqpwxKD2wLwQYlpebe/4WCkU/B3qG+WWQo+QYPV2UaFbtx6FyDNl0hlADhhsCdd/i0/5p3BbmBPirtzeSEiKrh5+hVs71FDnmMTe4L2B0qLvA+puCyz2TQwbsawIjcRoCvF3UMv3ZIPtp/60vrnNeE9qyS/waGcjO04Ad6bVatYTGNetu8QHYedLC1GAKLX+YA6oNZw6dPQdZjc8Em8DvJ/JK4L/9D+VgoovUeTmia4JLMVN8ADPi8P8dg+12NIodzv5rVCCkzqra9eN0BCSBtJYBwwslt6UVzwldZda4C+i2JWHefKRsn5qRfB4Uzaybt X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB03.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230022)(4636009)(39860400002)(376002)(346002)(396003)(136003)(451199015)(40470700004)(46966006)(36840700001)(36860700001)(426003)(921005)(356005)(82740400003)(47076005)(86362001)(336012)(82310400005)(7416002)(40460700003)(8676002)(478600001)(316002)(8936002)(1076003)(186003)(110136005)(81166007)(70206006)(70586007)(54906003)(4326008)(41300700001)(2906002)(44832011)(2616005)(26005)(40480700001)(6666004)(5660300002)(36756003)(2101003)(36900700001)(83996005);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Oct 2022 04:42:05.5974 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 21e58fa5-a159-46ab-2efb-08daad9e7223 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=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT038.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR12MB5959 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1746636882684113702?= X-GMAIL-MSGID: =?utf-8?q?1746636882684113702?= With CDX bus supported in SMMU, devices on CDX bus can be configured to support DMA configuration. This change adds the dma configure callback for CDX bus. Signed-off-by: Nipun Gupta --- drivers/bus/cdx/cdx.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/bus/cdx/cdx.c b/drivers/bus/cdx/cdx.c index 5a366f4ae69c..b2a7e0b34df8 100644 --- a/drivers/bus/cdx/cdx.c +++ b/drivers/bus/cdx/cdx.c @@ -57,6 +57,7 @@ #include #include +#include #include #include @@ -180,10 +181,26 @@ static void cdx_remove(struct device *dev) cdx_drv->remove(cdx_dev); } +static int cdx_dma_configure(struct device *dev) +{ + struct cdx_device *cdx_dev = to_cdx_device(dev); + u32 input_id = cdx_dev->req_id; + int ret; + + ret = of_dma_configure_id(dev, dev->parent->of_node, 0, &input_id); + if (ret) { + dev_err(dev, "of_dma_configure_id() failed\n"); + return ret; + } + + return 0; +} + struct bus_type cdx_bus_type = { .name = "cdx", .match = cdx_bus_match, .remove = cdx_remove, + .dma_configure = cdx_dma_configure, }; EXPORT_SYMBOL_GPL(cdx_bus_type);