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GET /api/patches/132624/?format=api
{ "id": 132624, "url": "https://patches.dpdk.org/api/patches/132624/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/20231016091634.2770946-1-abhijit.gangurde@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": "<20231016091634.2770946-1-abhijit.gangurde@amd.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20231016091634.2770946-1-abhijit.gangurde@amd.com", "date": "2023-10-16T09:16:34", "name": "[v4,1/1] bus/cdx: provide driver flag for optional resource mapping", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "16019cdd31984943c1d6bb3a9cf6317b8b18fdc6", "submitter": { "id": 3110, "url": "https://patches.dpdk.org/api/people/3110/?format=api", "name": "Abhijit Gangurde", "email": "abhijit.gangurde@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/20231016091634.2770946-1-abhijit.gangurde@amd.com/mbox/", "series": [ { "id": 29849, "url": "https://patches.dpdk.org/api/series/29849/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=29849", "date": "2023-10-16T09:16:34", "name": "[v4,1/1] bus/cdx: provide driver flag for optional resource mapping", "version": 4, "mbox": "https://patches.dpdk.org/series/29849/mbox/" } ], "comments": "https://patches.dpdk.org/api/patches/132624/comments/", "check": "warning", "checks": "https://patches.dpdk.org/api/patches/132624/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 D7CC44317C;\n\tMon, 16 Oct 2023 11:16:50 +0200 (CEST)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 5DE4F402D6;\n\tMon, 16 Oct 2023 11:16:50 +0200 (CEST)", "from NAM12-DM6-obe.outbound.protection.outlook.com\n (mail-dm6nam12on2068.outbound.protection.outlook.com [40.107.243.68])\n by mails.dpdk.org (Postfix) with ESMTP id C7922402BD\n for <dev@dpdk.org>; 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helo=SATLEXMB03.amd.com; pr=C", "From": "Abhijit Gangurde <abhijit.gangurde@amd.com>", "To": "<david.marchand@redhat.com>, <Nipun.Gupta@amd.com>,\n <nikhil.agarwal@amd.com>", "CC": "<dev@dpdk.org>, <Ferruh.Yigit@amd.com>, <thomas@monjalon.net>, \"Abhijit\n Gangurde\" <abhijit.gangurde@amd.com>", "Subject": "[PATCH v4 1/1] bus/cdx: provide driver flag for optional resource\n mapping", "Date": "Mon, 16 Oct 2023 14:46:34 +0530", "Message-ID": "<20231016091634.2770946-1-abhijit.gangurde@amd.com>", "X-Mailer": "git-send-email 2.25.1", "In-Reply-To": "<20230626103958.3139-1-abhijit.gangurde@amd.com>", "References": "<20230626103958.3139-1-abhijit.gangurde@amd.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "SN1PEPF0002BA4C:EE_|DS0PR12MB8502:EE_", "X-MS-Office365-Filtering-Correlation-Id": "8ef72a15-9aeb-484e-668e-08dbce289f35", "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; 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Ip=[165.204.84.17];\n Helo=[SATLEXMB03.amd.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n SN1PEPF0002BA4C.namprd03.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "DS0PR12MB8502", "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": "Provide driver flag which gives an option to map the cdx device\nresource before probing the device driver. External driver can\nuse rte_cdx_map_device() and rte_cdx_unmap_device() APIs to map/\nunmap device resource separately.\n\nSigned-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com>\n---\n v4:\n - rte_cdx_map_device() and rte_cdx_unmap_device() APIs are kept\n as internal APIs.\n\n v3:\n - Changed APIs to __rte_experimental.\n\n v2:\n - Corrected _RTE_BUS_CDX_H_ to RTE_BUS_CDX_H\n - Improved code comments.\n\n drivers/bus/cdx/bus_cdx_driver.h | 3 +++\n drivers/bus/cdx/cdx.c | 10 ++++++----\n 2 files changed, 9 insertions(+), 4 deletions(-)", "diff": "diff --git a/drivers/bus/cdx/bus_cdx_driver.h b/drivers/bus/cdx/bus_cdx_driver.h\nindex fcacdb5896..1c9a64c87a 100644\n--- a/drivers/bus/cdx/bus_cdx_driver.h\n+++ b/drivers/bus/cdx/bus_cdx_driver.h\n@@ -37,6 +37,9 @@ struct rte_cdx_bus;\n static const char DRV_EXP_TAG(name, cdx_tbl_export)[] __rte_used = \\\n RTE_STR(table)\n \n+/** Device needs resource mapping */\n+#define RTE_CDX_DRV_NEED_MAPPING 0x0001\n+\n /**\n * A structure describing an ID for a CDX driver. Each driver provides a\n * table of these IDs for each device that it supports.\ndiff --git a/drivers/bus/cdx/cdx.c b/drivers/bus/cdx/cdx.c\nindex f9526e08cc..541aae76c3 100644\n--- a/drivers/bus/cdx/cdx.c\n+++ b/drivers/bus/cdx/cdx.c\n@@ -383,10 +383,12 @@ cdx_probe_one_driver(struct rte_cdx_driver *dr,\n \tCDX_BUS_DEBUG(\" probe device %s using driver: %s\", dev_name,\n \t\tdr->driver.name);\n \n-\tret = cdx_vfio_map_resource(dev);\n-\tif (ret != 0) {\n-\t\tCDX_BUS_ERR(\"CDX map device failed: %d\", ret);\n-\t\tgoto error_map_device;\n+\tif (dr->drv_flags & RTE_CDX_DRV_NEED_MAPPING) {\n+\t\tret = cdx_vfio_map_resource(dev);\n+\t\tif (ret != 0) {\n+\t\t\tCDX_BUS_ERR(\"CDX map device failed: %d\", ret);\n+\t\t\tgoto error_map_device;\n+\t\t}\n \t}\n \n \t/* call the driver probe() function */\n", "prefixes": [ "v4", "1/1" ] }