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Mon, 8 Jul 2024 05:02:07 -0700 From: Dragos Tatulea Date: Mon, 8 Jul 2024 15:00:42 +0300 Subject: [PATCH vhost v3 18/24] vdpa/mlx5: Consolidate all VQ modify to Ready to use resume_vq() Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20240708-stage-vdpa-vq-precreate-v3-18-afe3c766e393@nvidia.com> References: <20240708-stage-vdpa-vq-precreate-v3-0-afe3c766e393@nvidia.com> In-Reply-To: <20240708-stage-vdpa-vq-precreate-v3-0-afe3c766e393@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: BL6PEPF00020E60:EE_|DM6PR12MB4235:EE_ X-MS-Office365-Filtering-Correlation-Id: ce7359ec-1993-4b50-6b52-08dc9f45e386 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|1800799024|36860700013|376014|82310400026; X-Microsoft-Antispam-Message-Info: =?utf-8?q?s56OonUp2iwuhEIiwYSBR4U5ae8NaVC?= =?utf-8?q?/ARoTc9yv7yGDA8RWY+dL2kGbOB/dnAjnZstsvLVljFeUxf8LG5SNpmSlgkYzBL4J?= =?utf-8?q?XuKf91OJeR3qTKgJFBZlBOAeAZ7OL2Vl1EHlM4f7NNnhcaFvcwOn/pdDwg3WNiI+B?= =?utf-8?q?SgDSga3NhB0eTXFj4UQRnwOK5kTYRCBJ+5ChlrokDQbXdLkEQiCnczhkwWuIM0ZoF?= =?utf-8?q?fOB5hqg4YpWkH3YxlJwF4QtJ1ti5rgaZxoXmGyXTKxVIH3gFvJ71HgcKTIdI7zCQS?= =?utf-8?q?EAmULlWPWGzALEosQogKPsy5stTTE/gWwrX5kfx316iNnHCkqHHcxRTSBvvoGXc1S?= =?utf-8?q?tzDwCC0ILTv4cod/D9uTlUt6+91eEKvwGP6aDpaTKdHNICv2/Y2LCBtocOXFcigre?= =?utf-8?q?CE4xNKB9Og7Jtz2ruBXm2T+NQzOxuTjEZLdchgUOjtUdjEgHlGvFVKw0FSSXeZb6w?= =?utf-8?q?ZbfJC09HcPusdghJtxqc/ReFiiojhV/ehhL12AfyGWP5BpJXueQsa7AH5oLQUjgcd?= =?utf-8?q?oLtDn1WOo410z3xmsC85b/60FHD/iYGd13Oib39+E9cPpsyXF5HZtue2xTmdm4zE3?= =?utf-8?q?Oeh41EgsM0+wVdcswqwvCmk/EjhekRHOwnY4yRc1NqgkeUtaapS7kw2fTouErmrHd?= =?utf-8?q?V3HgxCbO9fh/Niz+T7THeS+SF/scM0caEzn7YwyWIGbXFrP1l7cbrIqrMmCjgQLfx?= =?utf-8?q?YBUxhGgpunlaGPNUo71dED6ZnwsoqQsINst8P/Y+9dk2aQxmv+qFhrsy0FJwv95Qi?= =?utf-8?q?G4KFZ+mo0SZBG+LnKB7Ol2lt07et/a33q9ls4WSedQy14SRZZeL4QQTCG3kZjjef2?= =?utf-8?q?z1dv1vZpqX7BOBnb8q5LpDvFF7eZaZPA6iRbZmcBbR9RapsL0L3h8URgeC1fKiyX9?= =?utf-8?q?+XFseVuI80T3tOlEx1OtWpik+C7G93ylrC9IRqkFSPI2L51OMdBhNmOulGfWIYW6e?= =?utf-8?q?3jrLEvofUkN1CEpxLoNfVlRyX9QdhMhD50DB/L3EghanZ7miFUrQC4KuMDgPaDQTA?= =?utf-8?q?tHdz8/msS4QHNSbAxSOsLLXU88Ml070cyBYTT2fw1iCgG2ZEm5HM3fdN78mm9Zwx2?= =?utf-8?q?AXjKbHlwKLFF26sS67j1rj0mY6LYdz6k2VUUFvhXjDrHaeCgU5p9OEQtaQfpEVMVK?= =?utf-8?q?3X3YF+A4pMZ97yh05rjUaVusd0eOzWG6I+0uCqGT3DNxmsOqZuK+n6xgr2X7dsjCU?= =?utf-8?q?JKV/7BhmeR/am3tsXjTO9yaIg1Q9v8nN01q0rxHbjJF60U09D25B9ovRXoNGPI/5+?= =?utf-8?q?kZkZOYWHhbD0w5MxViMjbotRyIWXDl+CskI+WPbSVrFl30M2Q/5nMm2nRzkP4XX+y?= =?utf-8?q?vy3IY4cJ9L2/OpXNNtNjFj2EuewvIbFD+ROHcAeNJV6mGNrvy+Z/zTojyCcZ9vKY2?= =?utf-8?q?vqVF8FPIJGn?= 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:(13230040)(7416014)(1800799024)(36860700013)(376014)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Jul 2024 12:02:49.6689 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ce7359ec-1993-4b50-6b52-08dc9f45e386 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: BL6PEPF00020E60.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4235 There are a few more places modifying the VQ to Ready directly. Let's consolidate them into resume_vq(). The redundant warnings for resume_vq() errors can also be dropped. There is one special case that needs to be handled for virtio-vdpa: the initialized flag must be set to true earlier in setup_vq() so that resume_vq() doesn't return early. Reviewed-by: Cosmin Ratiu Acked-by: Eugenio Pérez Signed-off-by: Dragos Tatulea --- drivers/vdpa/mlx5/net/mlx5_vnet.c | 18 ++++++------------ 1 file changed, 6 insertions(+), 12 deletions(-) diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index 8ab5cf1bbc43..e65d488f7a08 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -160,6 +160,7 @@ static void free_fixed_resources(struct mlx5_vdpa_net *ndev); static void mvqs_set_defaults(struct mlx5_vdpa_net *ndev); static int setup_vq_resources(struct mlx5_vdpa_net *ndev, bool filled); static void teardown_vq_resources(struct mlx5_vdpa_net *ndev); +static int resume_vq(struct mlx5_vdpa_net *ndev, struct mlx5_vdpa_virtqueue *mvq); static bool mlx5_vdpa_debug; @@ -1500,16 +1501,14 @@ static int setup_vq(struct mlx5_vdpa_net *ndev, if (err) goto err_vq; + mvq->initialized = true; + if (mvq->ready) { - err = modify_virtqueue_state(ndev, mvq, MLX5_VIRTIO_NET_Q_OBJECT_STATE_RDY); - if (err) { - mlx5_vdpa_warn(&ndev->mvdev, "failed to modify to ready vq idx %d(%d)\n", - idx, err); + err = resume_vq(ndev, mvq); + if (err) goto err_modify; - } } - mvq->initialized = true; return 0; err_modify: @@ -2422,7 +2421,6 @@ static void mlx5_vdpa_set_vq_ready(struct vdpa_device *vdev, u16 idx, bool ready struct mlx5_vdpa_dev *mvdev = to_mvdev(vdev); struct mlx5_vdpa_net *ndev = to_mlx5_vdpa_ndev(mvdev); struct mlx5_vdpa_virtqueue *mvq; - int err; if (!mvdev->actual_features) return; @@ -2439,14 +2437,10 @@ static void mlx5_vdpa_set_vq_ready(struct vdpa_device *vdev, u16 idx, bool ready if (!ready) { suspend_vq(ndev, mvq); } else { - err = modify_virtqueue_state(ndev, mvq, MLX5_VIRTIO_NET_Q_OBJECT_STATE_RDY); - if (err) { - mlx5_vdpa_warn(mvdev, "modify VQ %d to ready failed (%d)\n", idx, err); + if (resume_vq(ndev, mvq)) ready = false; - } } - mvq->ready = ready; }