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GET /api/patches/125851/?format=api
{ "id": 125851, "url": "http://patchwork.dpdk.org/api/patches/125851/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/20230407060152.16335-3-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": "<20230407060152.16335-3-nipun.gupta@amd.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20230407060152.16335-3-nipun.gupta@amd.com", "date": "2023-04-07T06:01:48", "name": "[2/6] bus/cdx: add dma map and unmap support", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "2a17819c65c3837d528013fbac92c6c3b390ddc3", "submitter": { "id": 2928, "url":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/20230407060152.16335-3-nipun.gupta@amd.com/mbox/", "series": [ { "id": 27640, "url": "http://patchwork.dpdk.org/api/series/27640/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=27640", "date": "2023-04-07T06:01:46", "name": "add support for CDX bus", "version": 1, "mbox": "http://patchwork.dpdk.org/series/27640/mbox/" } ], "comments": "http://patchwork.dpdk.org/api/patches/125851/comments/", "check": "success", "checks": "http://patchwork.dpdk.org/api/patches/125851/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 CAE55428E2;\n\tFri, 7 Apr 2023 08:02:50 +0200 (CEST)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id CABFC42B71;\n\tFri, 7 Apr 2023 08:02:40 +0200 (CEST)", "from NAM12-BN8-obe.outbound.protection.outlook.com\n (mail-bn8nam12on2053.outbound.protection.outlook.com [40.107.237.53])\n by mails.dpdk.org (Postfix) with ESMTP id 91ED542B71\n for <dev@dpdk.org>; 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helo=SATLEXMB04.amd.com; pr=C", "From": "Nipun Gupta <nipun.gupta@amd.com>", "To": "<dev@dpdk.org>, <thomas@monjalon.net>, <david.marchand@redhat.com>", "CC": "<ferruh.yigit@amd.com>, <harpreet.anand@amd.com>,\n <nikhil.agarwal@amd.com>, Nipun Gupta <nipun.gupta@amd.com>", "Subject": "[PATCH 2/6] bus/cdx: add dma map and unmap support", "Date": "Fri, 7 Apr 2023 11:31:48 +0530", "Message-ID": "<20230407060152.16335-3-nipun.gupta@amd.com>", "X-Mailer": "git-send-email 2.17.1", "In-Reply-To": "<20230407060152.16335-1-nipun.gupta@amd.com>", "References": "<20230124140746.594066-1-nipun.gupta@amd.com>\n <20230407060152.16335-1-nipun.gupta@amd.com>", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "BN8NAM11FT094:EE_|DM4PR12MB5770:EE_", "X-MS-Office365-Filtering-Correlation-Id": "e0006134-6c41-485e-3fed-08db372dae18", "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:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE;\n SFS:(13230028)(4636009)(376002)(346002)(136003)(396003)(39860400002)(451199021)(40470700004)(46966006)(36840700001)(2616005)(86362001)(36756003)(2906002)(82310400005)(40480700001)(426003)(186003)(6666004)(26005)(1076003)(70586007)(8676002)(82740400003)(336012)(40460700003)(70206006)(4326008)(54906003)(110136005)(478600001)(41300700001)(44832011)(81166007)(47076005)(5660300002)(356005)(316002)(8936002)(36860700001)(36900700001);\n DIR:OUT; SFP:1101;", "X-OriginatorOrg": "amd.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "07 Apr 2023 06:02:33.6469 (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n e0006134-6c41-485e-3fed-08db372dae18", "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=[SATLEXMB04.amd.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n BN8NAM11FT094.eop-nam11.prod.protection.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "DM4PR12MB5770", "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": "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>\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 c5f8e37a2f..fa6bfe3bc2 100644\n--- a/drivers/bus/cdx/cdx.c\n+++ b/drivers/bus/cdx/cdx.c\n@@ -555,12 +555,52 @@ 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+rte_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 = rte_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 = rte_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": [ "2/6" ] }