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GET /api/patches/128268/?format=api
{ "id": 128268, "url": "http://patches.dpdk.org/api/patches/128268/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20230607042425.30714-3-nipun.gupta@amd.com/", "project": { "id": 1, "url": "http://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": "<20230607042425.30714-3-nipun.gupta@amd.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20230607042425.30714-3-nipun.gupta@amd.com", "date": "2023-06-07T04:24:23", "name": "[v8,2/4] bus/cdx: add DMA map and unmap support", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "50460fa6a9802e98007dbd3ab6aeeeb427bdfcef", "submitter": { "id": 2928, "url": "http://patches.dpdk.org/api/people/2928/?format=api", "name": "Gupta, Nipun", "email": "nipun.gupta@amd.com" }, "delegate": { "id": 1, "url": "http://patches.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/20230607042425.30714-3-nipun.gupta@amd.com/mbox/", "series": [ { "id": 28384, "url": "http://patches.dpdk.org/api/series/28384/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=28384", "date": "2023-06-07T04:24:21", "name": "Support AMD CDX bus", "version": 8, "mbox": "http://patches.dpdk.org/series/28384/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/128268/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/128268/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 492EB42C46;\n\tWed, 7 Jun 2023 06:24:57 +0200 (CEST)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 27E2742D17;\n\tWed, 7 Jun 2023 06:24:54 +0200 (CEST)", "from NAM10-DM6-obe.outbound.protection.outlook.com\n (mail-dm6nam10on2075.outbound.protection.outlook.com [40.107.93.75])\n by mails.dpdk.org (Postfix) with ESMTP id 1D04940A84\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 v8 2/4] bus/cdx: add DMA map and unmap support", "Date": "Wed, 7 Jun 2023 09:54:23 +0530", "Message-ID": "<20230607042425.30714-3-nipun.gupta@amd.com>", "X-Mailer": "git-send-email 2.17.1", "In-Reply-To": "<20230607042425.30714-1-nipun.gupta@amd.com>", "References": "<20230124140746.594066-1-nipun.gupta@amd.com>\n <20230607042425.30714-1-nipun.gupta@amd.com>", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "CY4PEPF0000EE39:EE_|LV8PR12MB9153:EE_", "X-MS-Office365-Filtering-Correlation-Id": "a387093f-f5c5-4675-52dc-08db670f21a5", "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)(136003)(396003)(39860400002)(376002)(346002)(451199021)(46966006)(40470700004)(36840700001)(54906003)(110136005)(40460700003)(478600001)(40480700001)(44832011)(8936002)(8676002)(2906002)(36756003)(5660300002)(86362001)(82310400005)(4326008)(81166007)(70206006)(70586007)(356005)(316002)(82740400003)(2616005)(1076003)(41300700001)(26005)(47076005)(36860700001)(186003)(336012)(6666004)(426003)(36900700001);\n DIR:OUT; SFP:1101;", "X-OriginatorOrg": "amd.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "07 Jun 2023 04:24:48.8772 (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n a387093f-f5c5-4675-52dc-08db670f21a5", "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 CY4PEPF0000EE39.namprd03.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "LV8PR12MB9153", "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 38515e7fda..0c6bac3a44 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": [ "v8", "2/4" ] }