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GET /api/patches/127400/?format=api
{ "id": 127400, "url": "http://patchwork.dpdk.org/api/patches/127400/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/20230525100821.12148-3-nipun.gupta@amd.com/", "project": { "id": 1, "url": "http://patchwork.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20230525100821.12148-3-nipun.gupta@amd.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20230525100821.12148-3-nipun.gupta@amd.com", "date": "2023-05-25T10:08:18", "name": "[v5,2/5] bus/cdx: add DMA map and unmap support", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "f656931af6176a972690ecf87e911b57d2f636de", "submitter": { "id": 2928, "url": "http://patchwork.dpdk.org/api/people/2928/?format=api", "name": "Gupta, Nipun", "email": "nipun.gupta@amd.com" }, "delegate": { "id": 1, "url": "http://patchwork.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "http://patchwork.dpdk.org/project/dpdk/patch/20230525100821.12148-3-nipun.gupta@amd.com/mbox/", "series": [ { "id": 28179, "url": "http://patchwork.dpdk.org/api/series/28179/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=28179", "date": "2023-05-25T10:08:16", "name": "Support AMD CDX bus", "version": 5, "mbox": "http://patchwork.dpdk.org/series/28179/mbox/" } ], "comments": "http://patchwork.dpdk.org/api/patches/127400/comments/", "check": "success", "checks": "http://patchwork.dpdk.org/api/patches/127400/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 06E2442B9A;\n\tThu, 25 May 2023 12:09:13 +0200 (CEST)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 6839342D47;\n\tThu, 25 May 2023 12:09:04 +0200 (CEST)", "from NAM11-CO1-obe.outbound.protection.outlook.com\n (mail-co1nam11on2052.outbound.protection.outlook.com [40.107.220.52])\n by mails.dpdk.org (Postfix) with ESMTP id 99375410DC\n for <dev@dpdk.org>; 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helo=SATLEXMB03.amd.com; pr=C", "From": "Nipun Gupta <nipun.gupta@amd.com>", "To": "<dev@dpdk.org>, <thomas@monjalon.net>, <david.marchand@redhat.com>,\n <hkalra@marvell.com>, <anatoly.burakov@intel.com>,\n <stephen@networkplumber.org>", "CC": "<ferruh.yigit@amd.com>, <harpreet.anand@amd.com>,\n <nikhil.agarwal@amd.com>, Nipun Gupta <nipun.gupta@amd.com>", "Subject": "[PATCH v5 2/5] bus/cdx: add DMA map and unmap support", "Date": "Thu, 25 May 2023 15:38:18 +0530", "Message-ID": "<20230525100821.12148-3-nipun.gupta@amd.com>", "X-Mailer": "git-send-email 2.17.1", "In-Reply-To": "<20230525100821.12148-1-nipun.gupta@amd.com>", "References": "<20230124140746.594066-1-nipun.gupta@amd.com>\n <20230525100821.12148-1-nipun.gupta@amd.com>", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "CO1NAM11FT010:EE_|CH3PR12MB8971:EE_", "X-MS-Office365-Filtering-Correlation-Id": "314d5218-875c-4ba7-6ebd-08db5d080548", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "BCL:0;", "X-Microsoft-Antispam-Message-Info": "\n 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", "X-Forefront-Antispam-Report": "CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:;\n IPV:CAL; SFV:NSPM; H:SATLEXMB03.amd.com; PTR:InfoDomainNonexistent; CAT:NONE;\n SFS:(13230028)(4636009)(376002)(136003)(39860400002)(396003)(346002)(451199021)(46966006)(40470700004)(36840700001)(70206006)(4326008)(70586007)(110136005)(54906003)(1076003)(316002)(82310400005)(40480700001)(26005)(6666004)(41300700001)(478600001)(81166007)(8676002)(8936002)(5660300002)(40460700003)(47076005)(2616005)(86362001)(426003)(36756003)(336012)(356005)(82740400003)(44832011)(186003)(2906002)(36860700001)(36900700001);\n DIR:OUT; SFP:1101;", "X-OriginatorOrg": "amd.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "25 May 2023 10:08:43.1405 (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 314d5218-875c-4ba7-6ebd-08db5d080548", "X-MS-Exchange-CrossTenant-Id": "3dd8961f-e488-4e60-8e11-a82d994e183d", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "\n TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17];\n Helo=[SATLEXMB03.amd.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n CO1NAM11FT010.eop-nam11.prod.protection.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "CH3PR12MB8971", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org" }, "content": "AMD CDX bus can use VFIO interface for mapping and unmapping\nof DMA addresses in the IOMMU. This change adds the callback\nsupport for map and unmap APIs as well as fetching the IOMMU\nclass.\n\nSigned-off-by: Nipun Gupta <nipun.gupta@amd.com>\nAcked-by: Ferruh Yigit <ferruh.yigit@amd.com>\n---\n drivers/bus/cdx/cdx.c | 40 ++++++++++++++++++++++++++++++++++++++++\n 1 file changed, 40 insertions(+)", "diff": "diff --git a/drivers/bus/cdx/cdx.c b/drivers/bus/cdx/cdx.c\nindex 1ddb5a92f7..64ea879f3b 100644\n--- a/drivers/bus/cdx/cdx.c\n+++ b/drivers/bus/cdx/cdx.c\n@@ -502,12 +502,52 @@ cdx_find_device(const struct rte_device *start, rte_dev_cmp_t cmp,\n \treturn NULL;\n }\n \n+static int\n+cdx_dma_map(struct rte_device *dev, void *addr, uint64_t iova, size_t len)\n+{\n+\tstruct rte_cdx_device *cdx_dev = RTE_DEV_TO_CDX_DEV(dev);\n+\n+\tif (!cdx_dev) {\n+\t\trte_errno = EINVAL;\n+\t\treturn -1;\n+\t}\n+\n+\treturn rte_vfio_container_dma_map(RTE_VFIO_DEFAULT_CONTAINER_FD,\n+\t\t\t\t\t (uintptr_t)addr, iova, len);\n+}\n+\n+static int\n+cdx_dma_unmap(struct rte_device *dev, void *addr, uint64_t iova, size_t len)\n+{\n+\tstruct rte_cdx_device *cdx_dev = RTE_DEV_TO_CDX_DEV(dev);\n+\n+\tif (!cdx_dev) {\n+\t\trte_errno = EINVAL;\n+\t\treturn -1;\n+\t}\n+\n+\treturn rte_vfio_container_dma_unmap(RTE_VFIO_DEFAULT_CONTAINER_FD,\n+\t\t\t\t\t (uintptr_t)addr, iova, len);\n+}\n+\n+static enum rte_iova_mode\n+cdx_get_iommu_class(void)\n+{\n+\tif (TAILQ_EMPTY(&rte_cdx_bus.device_list))\n+\t\treturn RTE_IOVA_DC;\n+\n+\treturn RTE_IOVA_VA;\n+}\n+\n struct rte_cdx_bus rte_cdx_bus = {\n \t.bus = {\n \t\t.scan = cdx_scan,\n \t\t.probe = cdx_probe,\n \t\t.find_device = cdx_find_device,\n \t\t.parse = cdx_parse,\n+\t\t.dma_map = cdx_dma_map,\n+\t\t.dma_unmap = cdx_dma_unmap,\n+\t\t.get_iommu_class = cdx_get_iommu_class,\n \t},\n \t.device_list = TAILQ_HEAD_INITIALIZER(rte_cdx_bus.device_list),\n \t.driver_list = TAILQ_HEAD_INITIALIZER(rte_cdx_bus.driver_list),\n", "prefixes": [ "v5", "2/5" ] }