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GET /api/patches/128143/?format=api
{ "id": 128143, "url": "https://patches.dpdk.org/api/patches/128143/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/20230605132624.8626-3-nipun.gupta@amd.com/", "project": { "id": 1, "url": "https://patches.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": "<20230605132624.8626-3-nipun.gupta@amd.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20230605132624.8626-3-nipun.gupta@amd.com", "date": "2023-06-05T13:26:22", "name": "[v6,2/4] bus/cdx: add DMA map and unmap support", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "50460fa6a9802e98007dbd3ab6aeeeb427bdfcef", "submitter": { "id": 2928, "url": "https://patches.dpdk.org/api/people/2928/?format=api", "name": "Gupta, Nipun", "email": "nipun.gupta@amd.com" }, "delegate": { "id": 1, "url": "https://patches.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "https://patches.dpdk.org/project/dpdk/patch/20230605132624.8626-3-nipun.gupta@amd.com/mbox/", "series": [ { "id": 28359, "url": "https://patches.dpdk.org/api/series/28359/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=28359", "date": "2023-06-05T13:26:20", "name": "Support AMD CDX bus", "version": 6, "mbox": "https://patches.dpdk.org/series/28359/mbox/" } ], "comments": "https://patches.dpdk.org/api/patches/128143/comments/", "check": "success", "checks": "https://patches.dpdk.org/api/patches/128143/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 B4AC342BF1;\n\tMon, 5 Jun 2023 15:27:22 +0200 (CEST)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id A56C64021F;\n\tMon, 5 Jun 2023 15:27:22 +0200 (CEST)", "from NAM12-BN8-obe.outbound.protection.outlook.com\n (mail-bn8nam12on2040.outbound.protection.outlook.com [40.107.237.40])\n by mails.dpdk.org (Postfix) with ESMTP id EF57F4003C\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>,\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 v6 2/4] bus/cdx: add DMA map and unmap support", "Date": "Mon, 5 Jun 2023 18:56:22 +0530", "Message-ID": "<20230605132624.8626-3-nipun.gupta@amd.com>", "X-Mailer": "git-send-email 2.17.1", "In-Reply-To": "<20230605132624.8626-1-nipun.gupta@amd.com>", "References": "<20230124140746.594066-1-nipun.gupta@amd.com>\n <20230605132624.8626-1-nipun.gupta@amd.com>", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "DM6NAM11FT041:EE_|SA1PR12MB7174:EE_", "X-MS-Office365-Filtering-Correlation-Id": "e18b8b1d-4071-445b-2472-08db65c89622", "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)(396003)(136003)(346002)(39860400002)(451199021)(36840700001)(46966006)(40470700004)(47076005)(336012)(426003)(82740400003)(44832011)(110136005)(54906003)(40480700001)(478600001)(8676002)(8936002)(41300700001)(316002)(70586007)(70206006)(356005)(81166007)(5660300002)(86362001)(40460700003)(4326008)(36756003)(6666004)(2906002)(36860700001)(82310400005)(186003)(1076003)(26005)(2616005)(36900700001);\n DIR:OUT; SFP:1101;", "X-OriginatorOrg": "amd.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "05 Jun 2023 13:27:18.8960 (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n e18b8b1d-4071-445b-2472-08db65c89622", "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 DM6NAM11FT041.eop-nam11.prod.protection.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "SA1PR12MB7174", "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 | 30 ++++++++++++++++++++++++++++++\n 1 file changed, 30 insertions(+)", "diff": "diff --git a/drivers/bus/cdx/cdx.c b/drivers/bus/cdx/cdx.c\nindex 9386cb7a0a..9ad8f73424 100644\n--- a/drivers/bus/cdx/cdx.c\n+++ b/drivers/bus/cdx/cdx.c\n@@ -488,12 +488,42 @@ 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+\tRTE_SET_USED(dev);\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+\tRTE_SET_USED(dev);\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": [ "v6", "2/4" ] }