From nobody Thu Dec 18 07:52:09 2025 Received: from NAM02-BN1-obe.outbound.protection.outlook.com (mail-bn1nam02on2057.outbound.protection.outlook.com [40.107.212.57]) (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 0D5B418413E; Wed, 26 Jun 2024 10:28:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.212.57 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719397693; cv=fail; b=Hsl99xfhVXhztKcrNWL85VG1a7DSmf07QJ1XHMMP95Rg8OA0ENKIgmyvtEm6D9I6DjGE6pC8UHUlQeSUko/v19rvjJaI7mLS7ncOSuX7CbEnpsrmcBzPV0TSP4BKjZ2/lH+kGEkHw6jh40wn/JqEHfAD2zMOx8avyMrZUwHTVBQ= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719397693; c=relaxed/simple; bh=OnhbBUM4j8aDXBgzuoLBxz26jcHMrodiq/7VI9qswgA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-ID:References: In-Reply-To:To:CC; b=aZFNLs+fDDm/bP0I60OaJjNWxT4yOF4R3kuOgL77Z3eeIjPSJwLwjVPFDdPK2/HeHq6bTthDOD3VFKXI5qDuq2vcmV47IWUdF2aQOaGmnCtBJZJtRsdxJGylGbzs4hWeCEC9tOUbzbbYI5+zyqu2oVPxa3cuMW30sUkOFtTUF0s= 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=kYNVCgNv; arc=fail smtp.client-ip=40.107.212.57 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="kYNVCgNv" ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=TcUhJg22Uqh2orm0dBzIvrBCTlZ60w1DBmwLmidNJrzrA4rzzgWP8aeZYtZCw2KIKUHUfzTcs8xxjTokzlVvoVYdOFw89BLUpvhkDIK/+iqW6KdOKVMy1aytHrAiS3RYT0uVgW/ilxeirvEBWF3TOUUD6nitFDnx6HU84wJLzjC53Xbh8zF2sCJKbn1sLlg9txSlVFfufSO9eZ3M7ij9ocF80Mwc9968pLbryFJ5fJgc7ZxhihPlQ3t6Yv/EBtN9WTK1YchPVVrePfAy7h2s7Vj4ogZEJfeFHJpVPTFwiT3es5CSsXpN2uJq/g0fnNiFhYZRrd17lHJbhjS+59xn+Q== 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=FSU3olGtsSo9C3vI/96ytT5T5158dS5zwlVHlCsmjPc=; b=Vi+QvXLXspy1YYXda5JN+QeKMY/699vfh0T/UaHhQW+qCWQozC/BFBuwivzipNCxbT9h62VRSYiyhVLp2KNIMnkXjOe8pLEuDUajOvedJ/Bb4e2HzDG9CuRSLeayakWsriy7qAaAMNtfFuEIAe+30+CxbUBxQxlZ2SuKsIcTIT5pCI4oIQdqu8UjCKvZl7l23hyXGp/tbq6jZIcgup4qV6TUi75Gd3p2AhJZFuVNN5OQg4/rcWn73O/NSU7zpkDDT/JDPJgc4RHEyvrwZA95vFEEezThInrVJ270REPMY6H298lBpBzGX8fXS1P66u8kvajIsUu2wSvwyWqzXW96qQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.117.161) smtp.rcpttodomain=vger.kernel.org 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=FSU3olGtsSo9C3vI/96ytT5T5158dS5zwlVHlCsmjPc=; b=kYNVCgNvgZ58g3fMaq1DVckLAIbEKKFw+GrQq7NA8LFjCMfYImjG163ATAVlVEMOpzPUN1QwxPnXjmZCq4ld0wP14kFCzWMMiBwmQdz+NICf0HZDveWRP+i0t7lLwpB75VXXZ8XOXpqy6cU1U/Bz/FW6Uo5NVIZM8P8ujuxUsL99N4kaES02KnI0xovimLbI91kC9NNOMMegfW8Pr8V0vQes8f+U7lkh/UUyi4pI9CWB86pzibm3GCYfZLndkFxu+NzjKJ8je5QPq7YJysbSmu+Dfze7CJQYcFgG8q5Z/D4xmYtYdF4QSUkL2N/JQX611IbfE0NjSkAe+RPAmqOtzg== Received: from MN2PR04CA0026.namprd04.prod.outlook.com (2603:10b6:208:d4::39) by DS0PR12MB8218.namprd12.prod.outlook.com (2603:10b6:8:f2::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7698.32; Wed, 26 Jun 2024 10:28:09 +0000 Received: from BL6PEPF00020E62.namprd04.prod.outlook.com (2603:10b6:208:d4:cafe::5b) by MN2PR04CA0026.outlook.office365.com (2603:10b6:208:d4::39) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7719.23 via Frontend Transport; Wed, 26 Jun 2024 10:28:08 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.117.161) 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 216.228.117.161 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.161; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.161) by BL6PEPF00020E62.mail.protection.outlook.com (10.167.249.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7677.15 via Frontend Transport; Wed, 26 Jun 2024 10:28:08 +0000 Received: from rnnvmail203.nvidia.com (10.129.68.9) by mail.nvidia.com (10.129.200.67) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Wed, 26 Jun 2024 03:27:52 -0700 Received: from rnnvmail205.nvidia.com (10.129.68.10) by rnnvmail203.nvidia.com (10.129.68.9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Wed, 26 Jun 2024 03:27:52 -0700 Received: from dev-l-177.mtl.labs.mlnx (10.127.8.11) by mail.nvidia.com (10.129.68.10) with Microsoft SMTP Server id 15.2.1544.4 via Frontend Transport; Wed, 26 Jun 2024 03:27:48 -0700 From: Dragos Tatulea Date: Wed, 26 Jun 2024 13:26:52 +0300 Subject: [PATCH vhost v2 16/24] vdpa/mlx5: Accept Init -> Ready VQ transition in resume_vq() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20240626-stage-vdpa-vq-precreate-v2-16-560c491078df@nvidia.com> References: <20240626-stage-vdpa-vq-precreate-v2-0-560c491078df@nvidia.com> In-Reply-To: <20240626-stage-vdpa-vq-precreate-v2-0-560c491078df@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: BL6PEPF00020E62:EE_|DS0PR12MB8218:EE_ X-MS-Office365-Filtering-Correlation-Id: dcc9a433-582d-448c-e172-08dc95caac56 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230038|36860700011|376012|7416012|82310400024|1800799022; X-Microsoft-Antispam-Message-Info: =?utf-8?B?TVV0QngzSS9TY2xRN2w4V2NEd0k5b3hFdnFXZFNFV3gyVlBHMGNRYUVtM25J?= =?utf-8?B?WmRFc25jS3UrejJpcldSM2pzYy9VeDluWm52V3Rscmpab0pDRll6aGRma21V?= =?utf-8?B?ZXlJY2Z0a1ZsNlhkZjhpSDF6RklsZU9US2J3M2FWcFAzT242ekI3OEgwaFUz?= =?utf-8?B?TDJSckcxckRsUkY0TysxK1R5NVQzRVRnbENvNEo1WTVNK0NJU1pvelRoUGRz?= =?utf-8?B?RGMxQ3NzRkViK2dseUZVVWFHemNtanR2SS9xM1l0eDYwdzhGTTA0M1VjTjBm?= =?utf-8?B?Rm9oRFI5T0VmbjJjTXpBc09tRG1RSlpQL3pva1NMak1pZEtpSFREa2Zpbnky?= =?utf-8?B?U0RkVkc2L3NXRGF0cGNXR2F6R3JiS1hVTkY1aFJOeFo4SnJZMnYyR3JuaUlu?= =?utf-8?B?ZTh1Ri9SYjB3dk1WOFVTZVZodUV6bWFMUTN0NCt0RFVraXZMcWF1TmRITElv?= =?utf-8?B?ZGxKMnZBdFF5cVhMV2poM3QzVi8wR1MzVU9NQ3dJOG9CN1M1QStjREJpTmRh?= =?utf-8?B?OWtMRHpQMFFxS3pPOHZGdkV1NGxiTS9COE1TNWlCeVgrK2dHOXFPWlFaVzBz?= =?utf-8?B?L0greVd3TFpRNHQ3YUhSK1VaRHZrQzlLRXJWUjVMUnF5WUMrL0hyOWtnWHNt?= =?utf-8?B?MlhUVW9sUzFKQWZpZDM1ZUl6c0JzNWdvdWpoQ2VGV1JEWjZUenZXaWxaWE1i?= =?utf-8?B?WENvdlNQV3ppSzFFRTJjMTQ5QnhKKzNCbVRraElTT3o4ejlNZkpZcmpjMjgx?= =?utf-8?B?ZW5kQkNrdjZIY3g1NzFoTVBqL3ZaTEl2bFBXTWUwcHhyNThzZzVybnowRWNl?= =?utf-8?B?OUoxbFdOSU9BSG1JY0VUNWhEZE9CM1JrdEVSN1A2NUpjUHJDV0lNTktQK2ZN?= =?utf-8?B?NUNMM3pJNVVVRlRaaGRSQmw2UUs4MEx4S1dQWi8zY0Vvc0hQNlplVUdJaC9N?= =?utf-8?B?SlRObkNBejJ4WlBjdGVqNENudTBFV0RXYXdUL0VtdThoTVRoYlBRSzVobTk3?= =?utf-8?B?UXdSZXN4alZyb0xJVzVxakdYZXBCRWU3UGV3bkdkeWVBTU44ZStLUWI3VWJ2?= =?utf-8?B?MTJQeWk0KzNWSWhxK1dkRFNYZ0dOR2tYejhZOVZFM0dselFRVlpMVDk1QndG?= =?utf-8?B?OHRBZkVpTUYvR0tFcU91c0JMZjlMMmVZbXZJeFRKY255L1RHL3NXQkhiemxR?= =?utf-8?B?aWVIUmI1SUVNQzlrSENmNlFPVHZ6Qk15QmkwL3JJUVBrUFExeDQ5NXZWTm1p?= =?utf-8?B?bC80TFJpRHE3ME5aV0ZsZXFSdHNoMzFNVHZMejgyUWkxTlFxUENETHR1VnlT?= =?utf-8?B?clJwM3NrajMyVFhmL2J3Y29ZUkFwNFlNalNMU2VRV0FSTlBFRmE4K3diSjJi?= =?utf-8?B?dUZZWFZXTWFweGhSOU1EVzRodytQdHliMDFLWDJ1Vm12eVR2REhRZjBkdWM2?= =?utf-8?B?cHVPdlB3UzQxRDZRUG1uMXF5RHFucVJqM1krZFUxSnB1WTh6c1ZKZEtPdnFQ?= =?utf-8?B?NUpDVXlyWWVWUy9YT05ScURCcmQyUmFiUDlkeXNqeSt6M2hsV2gyUkxobHE0?= =?utf-8?B?YUZwVXlXRkFVdDNyZDRkVjhKMnMrd2FnaVBPTVhSUFhrMVNxdDA1SUVReDFm?= =?utf-8?B?SER3dEVKL2s4MFZTK0Fzd01kL0FsK3FEbmN5Y1JVQ2FYREhxL1FvbVhleVNX?= =?utf-8?B?bitFRTVWRjM4Q0cyU0pYdHZXZUJjT1B2MWZ4YW12TXFjM1p5cjQ3MURGak1n?= =?utf-8?B?azlkdGFFeEc2dVgxMFp3SW9TZWV6L0FEUzVGTkltSGpYT1ZrTTk0OS93Q0t2?= =?utf-8?B?amFjdko3YzBOUU1uWGNlOHBsYjlPTi9wSmdnbVFESU52a2JDL1Y1MElHNC9O?= =?utf-8?B?VCtZbktUWkFndlBhZUF2dTV4S2FZdVBvWW9vL3djWGFZNHc9PQ==?= X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230038)(36860700011)(376012)(7416012)(82310400024)(1800799022);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Jun 2024 10:28:08.5512 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: dcc9a433-582d-448c-e172-08dc95caac56 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BL6PEPF00020E62.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB8218 Until now resume_vq() was used only for the suspend/resume scenario. This change also allows calling resume_vq() to bring it from Init to Ready state (VQ initialization). Signed-off-by: Dragos Tatulea Reviewed-by: Cosmin Ratiu --- drivers/vdpa/mlx5/net/mlx5_vnet.c | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5= _vnet.c index 0a62ce0b4af8..adcc4d63cf83 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -1557,11 +1557,31 @@ static void suspend_vqs(struct mlx5_vdpa_net *ndev) =20 static void resume_vq(struct mlx5_vdpa_net *ndev, struct mlx5_vdpa_virtque= ue *mvq) { - if (!mvq->initialized || !is_resumable(ndev)) + if (!mvq->initialized) return; =20 - if (mvq->fw_state !=3D MLX5_VIRTIO_NET_Q_OBJECT_STATE_SUSPEND) + switch (mvq->fw_state) { + case MLX5_VIRTIO_NET_Q_OBJECT_STATE_INIT: + /* Due to a FW quirk we need to modify the VQ fields first then change s= tate. + * This should be fixed soon. After that, a single command can be used. + */ + if (modify_virtqueue(ndev, mvq, 0)) + mlx5_vdpa_warn(&ndev->mvdev, + "modify vq properties failed for vq %u\n", mvq->index); + break; + case MLX5_VIRTIO_NET_Q_OBJECT_STATE_SUSPEND: + if (!is_resumable(ndev)) { + mlx5_vdpa_warn(&ndev->mvdev, "vq %d is not resumable\n", mvq->index); + return; + } + break; + case MLX5_VIRTIO_NET_Q_OBJECT_STATE_RDY: return; + default: + mlx5_vdpa_warn(&ndev->mvdev, "resume vq %u called from bad state %d\n", + mvq->index, mvq->fw_state); + return; + } =20 if (modify_virtqueue_state(ndev, mvq, MLX5_VIRTIO_NET_Q_OBJECT_STATE_RDY)) mlx5_vdpa_warn(&ndev->mvdev, "modify to resume failed for vq %u\n", mvq-= >index); --=20 2.45.1