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dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 12.22.5.234 as permitted sender) receiver=protection.outlook.com; client-ip=12.22.5.234; helo=mail.nvidia.com; Received: from mail.nvidia.com (12.22.5.234) by BN8NAM11FT013.mail.protection.outlook.com (10.13.176.182) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.4930.15 via Frontend Transport; Thu, 27 Jan 2022 08:45:59 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by DRHQMAIL101.nvidia.com (10.27.9.10) with Microsoft SMTP Server (TLS) id 15.0.1497.18; Thu, 27 Jan 2022 08:45:58 +0000 Received: from nvidia.com (10.126.230.35) by rnnvmail201.nvidia.com (10.129.68.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.9; Thu, 27 Jan 2022 00:45:56 -0800 From: Xueming Li To: CC: , Matan Azrad , Xia Chenbo , Maxime Coquelin Subject: [PATCH v2] vhost: add vDPA resource cleanup callback Date: Thu, 27 Jan 2022 16:45:35 +0800 Message-ID: <20220127084535.673527-1-xuemingl@nvidia.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211019113956.2254537-1-xuemingl@nvidia.com> References: <20211019113956.2254537-1-xuemingl@nvidia.com> MIME-Version: 1.0 X-Originating-IP: [10.126.230.35] X-ClientProxiedBy: drhqmail202.nvidia.com (10.126.190.181) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: d65ed882-f474-4425-5f49-08d9e1717107 X-MS-TrafficTypeDiagnostic: BN6PR12MB1124:EE_ X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:1360; 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SFS:(13230001)(4636009)(36840700001)(46966006)(40470700004)(6916009)(54906003)(316002)(5660300002)(86362001)(82310400004)(8676002)(8936002)(4326008)(70586007)(70206006)(36860700001)(16526019)(47076005)(6286002)(1076003)(426003)(26005)(186003)(83380400001)(40460700003)(81166007)(2616005)(336012)(55016003)(356005)(7696005)(6666004)(36756003)(508600001)(2906002)(36900700001)(20210929001); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Jan 2022 08:45:59.1780 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d65ed882-f474-4425-5f49-08d9e1717107 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[12.22.5.234]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT013.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR12MB1124 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org This patch adds vDPA device cleanup callback to release resources on vhost user connection close. Signed-off-by: Xueming Li Reviewed-by: Maxime Coquelin --- lib/vhost/vdpa_driver.h | 3 +++ lib/vhost/vhost_user.c | 6 ++++++ 2 files changed, 9 insertions(+) diff --git a/lib/vhost/vdpa_driver.h b/lib/vhost/vdpa_driver.h index fc2d6acedd1..fddbd506523 100644 --- a/lib/vhost/vdpa_driver.h +++ b/lib/vhost/vdpa_driver.h @@ -34,6 +34,9 @@ struct rte_vdpa_dev_ops { /** Driver close the device (Mandatory) */ int (*dev_close)(int vid); + /** Connection closed, clean up resources */ + int (*dev_cleanup)(int vid); + /** Enable/disable this vring (Mandatory) */ int (*set_vring_state)(int vid, int vring, int state); diff --git a/lib/vhost/vhost_user.c b/lib/vhost/vhost_user.c index 5eb1dd68123..798b0ca4c0d 100644 --- a/lib/vhost/vhost_user.c +++ b/lib/vhost/vhost_user.c @@ -220,6 +220,12 @@ free_mem_region(struct virtio_net *dev) void vhost_backend_cleanup(struct virtio_net *dev) { + struct rte_vdpa_device *vdpa_dev; + + vdpa_dev = dev->vdpa_dev; + if (vdpa_dev && vdpa_dev->ops->dev_cleanup != NULL) + vdpa_dev->ops->dev_cleanup(dev->vid); + if (dev->mem) { free_mem_region(dev); rte_free(dev->mem);