From patchwork Mon Jun 17 15:07:43 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dragos Tatulea X-Patchwork-Id: 13700911 Received: from NAM02-DM3-obe.outbound.protection.outlook.com (mail-dm3nam02on2083.outbound.protection.outlook.com [40.107.95.83]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1E3C7147C87; Mon, 17 Jun 2024 15:08:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.95.83 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718636927; cv=fail; b=JfRafMk0wB59Nb4Ez3DghOlG/pU/LuxjoBQ5oGsdRw/05o4hv96w/pakhFGUbIvOJO3iZepDnuQzmHDCAsc/ohNBbACMZHYrNJmIQblbxOUPSFe1II1hTg9gmFwWR9euRQc/R+fbI9NFjYBK9aCdIzE1rWuBISundg3FsmBORDA= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718636927; c=relaxed/simple; bh=sMgRsMZT1raUxCxekdYWtJ3SoPrRT93p2TOwNQT7H14=; h=From:Date:Subject:MIME-Version:Content-Type:Message-ID:References: In-Reply-To:To:CC; b=PC/nsugoj3HrZxIwtcV5GxL6oqg/xeCuQlFU8Azezobb6VpXO7F3zyHCVIULwe0A+bFCoVrE5LlCgftcxuVnlf/SIUbd9CUBn6FbKK/wsrAv7c03wkDtEFfYgHymQoiYUlyWbwVH9U2v41BU0yDJfhWHkiTJgUlzb2e+5MDebPs= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com; spf=fail smtp.mailfrom=nvidia.com; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b=mCWIL5Kc; arc=fail smtp.client-ip=40.107.95.83 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=nvidia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="mCWIL5Kc" ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=LrOj93xubLgkdGFx1HChIf7VFgyJDYNM1eagFDVXEwSWGhOEukTD2lu4di7PBkpzHDqK92sZUDKaxhUSIAVZ8jiNo0RSi0NMWvsX43MITkPnnwtvt9cPNKEKOSCIcwOMrKE26iaC053eRb7gZr579fgDFM/o6fbS9FnvZFxszKZ4WOj5juNg2D6ug7RrEX1DEZPz3DPdAx9G6lwlGerIKlPTU+YC3ywB2c+fm8hKdU8okOL3P2t9kySAv5E3kOVclu2mkmbT7gQll7zY/oYvDNavL234+kQwghq58fDY4EqAincyWzngZyNev3QmqrsIMBQziN/JrxWXpuCsVCWQWw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=pfxcLzBTqAEXjl8/FvT3hDq3MdpZXjVqdr9JwKz0FkQ=; b=gCqsag+vcNSGFt+Qo/kH4+B93JMvl/LMQNjgnQZeCZ/gtJI6ymLAQBBJLuPQ5KuPEqSLKFkFmegilbYKLdIkhFEl7bzNk+egY3yMBa8xNZsZ7YE7Dl1kwuqL4NIKIjw+dAzKCzyN8zLrnkvOMAD38b+8MCW5l0kPx4r3QJjxYQHOgEzGjA9MorTrHTx726LYhgLMwHabMmNVLE2riExVqo5LtqcGPXWQTuwy3XRExTxEyMnnILC9XqOJzFzo/c/WhX/4McJ7g7pKTyQ2C5hoPl4YGDdsoS0rxNN3P3/YSNd1pp1nOP13kIPv3DW5n2lJ5jOsQf6MTI4fDoux3cga0A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.118.233) smtp.rcpttodomain=redhat.com smtp.mailfrom=nvidia.com; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=pfxcLzBTqAEXjl8/FvT3hDq3MdpZXjVqdr9JwKz0FkQ=; b=mCWIL5KcSxjTxzdBLC/keIyD71n7XQucxOmCXLS/8yY8EHijLtseCnBNQj4ujXGCdzwIp+eek5wnd0h8/maaWok4PAzXMz+DicQmTL2PewS+e1YmC5uaE/494DCSbzsFwQB2Cb1xkZYbiy2p+iLNbMYAWW3lGTHv8iCdAzGK+LdrRj6NQ+DEhp9G8OEVUyDwNq7uzuHcfuf/Ely27png5TesHMxc30iMEd2VZ75+R+cRKvqt1/0CaCPInkGyd3l73CDRY5uxs+vmMOfI3SyxeFdq293xZWXNbWHtDBBwEVMHAUYnpMyxN2lNee/3xdRcofpp8PNZJIfUoB8Qvl90IQ== Received: from BN9PR03CA0382.namprd03.prod.outlook.com (2603:10b6:408:f7::27) by SA3PR12MB7832.namprd12.prod.outlook.com (2603:10b6:806:31f::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7677.30; Mon, 17 Jun 2024 15:08:42 +0000 Received: from BN1PEPF00004687.namprd05.prod.outlook.com (2603:10b6:408:f7:cafe::e1) by BN9PR03CA0382.outlook.office365.com (2603:10b6:408:f7::27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7677.30 via Frontend Transport; Mon, 17 Jun 2024 15:08:42 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.118.233) smtp.mailfrom=nvidia.com; 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 216.228.118.233 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.118.233; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.118.233) by BN1PEPF00004687.mail.protection.outlook.com (10.167.243.132) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7677.15 via Frontend Transport; Mon, 17 Jun 2024 15:08:42 +0000 Received: from drhqmail201.nvidia.com (10.126.190.180) by mail.nvidia.com (10.127.129.6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Mon, 17 Jun 2024 08:08:23 -0700 Received: from drhqmail201.nvidia.com (10.126.190.180) by drhqmail201.nvidia.com (10.126.190.180) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Mon, 17 Jun 2024 08:08:23 -0700 Received: from dev-l-177.mtl.labs.mlnx (10.127.8.11) by mail.nvidia.com (10.126.190.180) with Microsoft SMTP Server id 15.2.1544.4 via Frontend Transport; Mon, 17 Jun 2024 08:08:19 -0700 From: Dragos Tatulea Date: Mon, 17 Jun 2024 18:07:43 +0300 Subject: [PATCH vhost 09/23] vdpa/mlx5: Add support for modifying the virtio_version VQ field Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20240617-stage-vdpa-vq-precreate-v1-9-8c0483f0ca2a@nvidia.com> References: <20240617-stage-vdpa-vq-precreate-v1-0-8c0483f0ca2a@nvidia.com> In-Reply-To: <20240617-stage-vdpa-vq-precreate-v1-0-8c0483f0ca2a@nvidia.com> To: "Michael S. Tsirkin" , Jason Wang , Xuan Zhuo , =?utf-8?q?Eugenio_P=C3=A9rez?= , Saeed Mahameed , Leon Romanovsky , Tariq Toukan , Si-Wei Liu CC: , , , , Dragos Tatulea , Cosmin Ratiu X-Mailer: b4 0.13.0 X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN1PEPF00004687:EE_|SA3PR12MB7832:EE_ X-MS-Office365-Filtering-Correlation-Id: b3c40a19-32c1-4e9a-32f7-08dc8edf604d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230037|36860700010|7416011|376011|1800799021|82310400023; X-Microsoft-Antispam-Message-Info: =?utf-8?q?pL5AIUkUL5Zb089P8Q6zoeKwNEycrlp?= =?utf-8?q?piTeCPg74JH66ONUwrr1TEYM19hzCHEb3zMiC/qtnYLWUs8pomfi3RN2Ifvm5381q?= =?utf-8?q?NtQ2jfQ15fZKRWJemaUTEvgFQd8pEJxqGC7WqOwgjD44gHpE4s8queTvsNJt9YngV?= =?utf-8?q?jvUEnTl5dPF4/qV8kfLmjyPGEylQdO4cpQp8dspGT9nKJJnlGL4ns0dD4rdj9rGa3?= =?utf-8?q?7VjKkRcuijrRtXZbyN51jNCjEF6/wNZhpROVMqU9BYKDdIK8QzQhtLACCHaDHuv8R?= =?utf-8?q?B5NOdRfOcO4du0SKrOo9oqQMqlOUcZsXmOG8TTdyu/oCqC3idGDR2zC8/D2QPuLH4?= =?utf-8?q?eEu209q0tsuFKKiGUAu2o8J3hx/Y70s1UgOeZ+tzWGbh0+kAQJ0Y4+DQMxGdUAV71?= =?utf-8?q?vBJCOfloZ/YK27si2YNv8RXdOzzRt0TbWMAXzgj2xBjaazZK6KNPwTZWs2n6g7EMw?= =?utf-8?q?6lXY4gc97s3UqBUASJRDUhmcy1Z0RVI0VURKjvrpfIJmG+DLEl9gQ/Uoyl5T6QOiK?= =?utf-8?q?aPolO9OBImtFfkq3B3bYWdfzQZpsPYzUiZs5aUM8NE5UoqYgULJrxOD7NzrEXS+bg?= =?utf-8?q?sn3DWZzRr+7z8HcvcTkK//9OfRrR7ybL78Hw4x4ZD9m728H5//c1LKcI4GHAZbToH?= =?utf-8?q?UbLVeuQqHFNmvfqinOoRiKpd/4g18mJBHAFGy1S3WXBnaxmwddvZ1XHgBaqbrtCLQ?= =?utf-8?q?T1oZXZ5xFa/FrMPc81UjbCN4GhOzVOdPMIewSGhSyXwRI1Qvdh7haDCwESnIXNUOC?= =?utf-8?q?UprWmhAoExQMXI9f/F3jOdwG3lqTYk+zqortFXMgsDfFobMU7x03PNTXoLq61DF7F?= =?utf-8?q?mOlQ+dMBAj3zS7BNba8OVa0rv0PngRkEXGOSKUW++tX20lAph23s1Fkx1x6oDV3Uk?= =?utf-8?q?rHSWUITtaomruN0TrbfEXyi1ZkUKSYF/qTu12sdmR3zrwhKJeA/7KxHx+fIyOed4W?= =?utf-8?q?YFIb7d/gRZcV4zigJ4sZOrEF6241cDAcraABxcFWbSWIcikLHY7LdJV7Ei8uMYDjd?= =?utf-8?q?uvGA7KpX2At7FqEKgFBJn9C2ijmoaMk9vPY07jsAaJkJcsrNH8+RBnnN5PBnVik3O?= =?utf-8?q?MDuA8Ud+X3GR3wF8jYobociK15paOuWStV5OwrlcKA/bwYWomxPEf2Ti5/eESqzuK?= =?utf-8?q?4VxiPI+cg3wol+SeZtcJOfrZb7F55xMWy7oNkwLC5G9yKCJsvySt2Bces1w2SgTHG?= =?utf-8?q?CMvGc5K0zm56RmhGvmjZSCJKry5VbgtyhCtJLot+PCJcZ4U03JdJqrYYHe/XYOlwk?= =?utf-8?q?uts1wjLdUyZuJ6l4mfhh4rnTzlFvMrqzdQtOgGOzzUh2W7JvRHDBQ7mOnu0Z4005U?= =?utf-8?q?kriaf/kSd3rbM8hjLRbGbvPtrLuAxTCqvA=3D=3D?= X-Forefront-Antispam-Report: CIP:216.228.118.233;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge2.nvidia.com;CAT:NONE;SFS:(13230037)(36860700010)(7416011)(376011)(1800799021)(82310400023);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Jun 2024 15:08:42.2416 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b3c40a19-32c1-4e9a-32f7-08dc8edf604d X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN1PEPF00004687.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA3PR12MB7832 This is done in preparation for the pre-creation of hardware virtqueues at device add time. Signed-off-by: Dragos Tatulea Reviewed-by: Cosmin Ratiu --- drivers/vdpa/mlx5/net/mlx5_vnet.c | 16 ++++++++++++++++ include/linux/mlx5/mlx5_ifc_vdpa.h | 1 + 2 files changed, 17 insertions(+) diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index de013b5a2815..b60e8897717b 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -1283,6 +1283,10 @@ static int modify_virtqueue(struct mlx5_vdpa_net *ndev, if (mvq->modified_fields & MLX5_VIRTQ_MODIFY_MASK_VIRTIO_Q_USED_IDX) MLX5_SET(virtio_net_q_object, obj_context, hw_used_index, mvq->used_idx); + if (mvq->modified_fields & MLX5_VIRTQ_MODIFY_MASK_QUEUE_VIRTIO_VERSION) + MLX5_SET(virtio_q, vq_ctx, virtio_version_1_0, + !!(ndev->mvdev.actual_features & BIT_ULL(VIRTIO_F_VERSION_1))); + if (mvq->modified_fields & MLX5_VIRTQ_MODIFY_MASK_VIRTIO_Q_MKEY) { vq_mr = mvdev->mr[mvdev->group2asid[MLX5_VDPA_DATAVQ_GROUP]]; @@ -2709,6 +2713,7 @@ static int mlx5_vdpa_set_driver_features(struct vdpa_device *vdev, u64 features) { struct mlx5_vdpa_dev *mvdev = to_mvdev(vdev); struct mlx5_vdpa_net *ndev = to_mlx5_vdpa_ndev(mvdev); + u64 old_features = mvdev->actual_features; int err; print_features(mvdev, features, true); @@ -2723,6 +2728,17 @@ static int mlx5_vdpa_set_driver_features(struct vdpa_device *vdev, u64 features) else ndev->rqt_size = 1; + /* Interested in changes of vq features only. */ + if (get_features(old_features) != get_features(mvdev->actual_features)) { + for (int i = 0; i < mvdev->max_vqs; ++i) { + struct mlx5_vdpa_virtqueue *mvq = &ndev->vqs[i]; + + mvq->modified_fields |= ( + MLX5_VIRTQ_MODIFY_MASK_QUEUE_VIRTIO_VERSION + ); + } + } + update_cvq_info(mvdev); return err; } diff --git a/include/linux/mlx5/mlx5_ifc_vdpa.h b/include/linux/mlx5/mlx5_ifc_vdpa.h index 40371c916cf9..34f27c01cec9 100644 --- a/include/linux/mlx5/mlx5_ifc_vdpa.h +++ b/include/linux/mlx5/mlx5_ifc_vdpa.h @@ -148,6 +148,7 @@ enum { MLX5_VIRTQ_MODIFY_MASK_VIRTIO_Q_ADDRS = (u64)1 << 6, MLX5_VIRTQ_MODIFY_MASK_VIRTIO_Q_AVAIL_IDX = (u64)1 << 7, MLX5_VIRTQ_MODIFY_MASK_VIRTIO_Q_USED_IDX = (u64)1 << 8, + MLX5_VIRTQ_MODIFY_MASK_QUEUE_VIRTIO_VERSION = (u64)1 << 10, MLX5_VIRTQ_MODIFY_MASK_VIRTIO_Q_MKEY = (u64)1 << 11, MLX5_VIRTQ_MODIFY_MASK_DESC_GROUP_MKEY = (u64)1 << 14, };