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Wed, 26 Jun 2024 03:28:21 -0700 From: Dragos Tatulea Date: Wed, 26 Jun 2024 13:27:00 +0300 Subject: [PATCH vhost v2 24/24] vdpa/mlx5: Don't enable non-active VQs in .set_vq_ready() Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20240626-stage-vdpa-vq-precreate-v2-24-560c491078df@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: , , , , Cosmin Ratiu , Dragos Tatulea X-Mailer: b4 0.13.0 X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MWH0EPF000971E9:EE_|MW4PR12MB7310:EE_ X-MS-Office365-Filtering-Correlation-Id: ff6a3ebb-2596-429e-b0a8-08dc95cabd83 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230038|36860700011|376012|7416012|1800799022|82310400024; X-Microsoft-Antispam-Message-Info: =?utf-8?q?XwKPDhWJ0EFLkflfmzZPCcRJQ+w0Ovg?= =?utf-8?q?fwdci6Hgku1Vn5+aUS0lNHRNJL7/DWwN8FtZvTI6DasxHLpIr5RCGVDQOwpOj9eU5?= =?utf-8?q?y+BK6nTqwOv6w+a5p8HqskUSG/UE8QS1kDoadl21uOOUrxNVK2Wof5TSjCLWB77df?= =?utf-8?q?wrwR/COBHjVyWtbUJttESLHBdlNcUPPNXdbaFW79YFbGRkZpGRCWP6HzAc2m9cUBB?= =?utf-8?q?p1tFBunz91iW4H8xLbHvW+sBfZw3GLSxVjLVwjsmaR6KSXE3zhuvH2WNWBv9K2T2J?= =?utf-8?q?MM2iX1dRxRp+Fdi5UUTNPyfZ1mGR1JBcYwVSFq2VgPKxTMio1dZLwxNt2FvddaO76?= =?utf-8?q?Ui8ABXecvNeFSQJzi8jHnwj1XZbLgZoWf7ljxqgSdYtvsRQHV7y97PjjAdhTIWKGU?= =?utf-8?q?evcRi0FDyi4fhndjBNDRMhwPJGi1TtIahjQRLYp2e3mmtVMRE9/sU97Ij1qF7/JwQ?= =?utf-8?q?pKJP0Ndh2m8uQi180am2uYeALeMGs35/ZIfB6DgbsKool0VOt/jQsyA5pnA1JNcMd?= =?utf-8?q?48d0PCw2twppCnV5pVzGZ7hLnyte0/UCPIAJQpq5vbVwt49q6PGCBZlWeL1CASgzH?= =?utf-8?q?pAQrsY4Bmup5aR0iPP7em0iewQtEq1fu2ptE/BBWrpSdCtCamTL9DGV75GNnBhGKB?= =?utf-8?q?XCa2qO3MC12rTpZWBggn+0cmmHgCh3BgUYK7lccosvjE9n0fHws/6xy2+BaWC4Jk9?= =?utf-8?q?MSsRYxSygcz0wxoDgfTHqjSc+g4mlVRKqonm8Y28jzio94PMn/urTrUpIYi7fK9Ft?= =?utf-8?q?592MbwEKhS7V+9C26+2t4gRfCpLuvaSeXopz/S4S1gd6r83StJww1UKWs/vRW8Jad?= =?utf-8?q?Y5sHY9cx6enUdxYiJlJd+iWw51nVWI4fgkViuNvufHsuGWkXccxEZ9kV3EZkJfDaX?= =?utf-8?q?OQery5toPACPAlcG8rck9VpYqV3qU+Rpu7A8/jgsQZyu7b5ELBE7SW5NI2vk70gQh?= =?utf-8?q?8p8V/ELUM6bTFkcQrP+9uLddA4EzDTKTrsvCvfNGrQhpF35NhFE7adsfuKqTswZj/?= =?utf-8?q?nyRrXq2UJNnJEJoIeafapoj7Lv4QRksRsBTp4yodPCRDrmZoSZRPrnzjbSgDBZyhj?= =?utf-8?q?n22xP+NlvWQCqeplb+xgBPrBBwTMhduX1oWyg1rQELSeCvM69gub5nR6n7+ONDXA2?= =?utf-8?q?APp1RypAQIueSLXHRqGn/3Yt6XySr+iopXGlcpAIqV8ulUpXGS98h0EDnsMW7QgDu?= =?utf-8?q?7yh5uOB2k0DCHlxPrJUfteVPtuZsue/0VOnw6euTG2qLMNC9DWDNTJJz2vvjswlkW?= =?utf-8?q?NYzn2o4vV2L0bDzfpBYB2C6eBIw+ATrE92LYmz4f4i8rI8xdYsm87+ChX82v0GfRW?= =?utf-8?q?5IRDwcDIU3iXyNxI+0CAkW1ahsFSH3uOUyysqhpxZc03EBrpvsQ+1VRfhnptJ3bKM?= =?utf-8?q?342U/T0WqIo?= X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230038)(36860700011)(376012)(7416012)(1800799022)(82310400024);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Jun 2024 10:28:37.4443 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ff6a3ebb-2596-429e-b0a8-08dc95cabd83 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: MWH0EPF000971E9.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR12MB7310 VQ indices in the range [cur_num_qps, max_vqs) represent queues that have not yet been activated. .set_vq_ready should not activate these VQs. Reviewed-by: Cosmin Ratiu Acked-by: Eugenio Pérez Signed-off-by: Dragos Tatulea --- drivers/vdpa/mlx5/net/mlx5_vnet.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index 573dc01df8c3..fa78e8288ebb 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -1575,6 +1575,9 @@ static int resume_vq(struct mlx5_vdpa_net *ndev, struct mlx5_vdpa_virtqueue *mvq if (!mvq->initialized) return 0; + if (mvq->index >= ndev->cur_num_vqs) + return 0; + 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 state.