1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ 2 /* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */ 3 4 #ifndef __MLX5_VNET_H__ 5 #define __MLX5_VNET_H__ 6 7 #include "mlx5_vdpa.h" 8 9 #define to_mlx5_vdpa_ndev(__mvdev) \ 10 container_of(__mvdev, struct mlx5_vdpa_net, mvdev) 11 #define to_mvdev(__vdev) container_of((__vdev), struct mlx5_vdpa_dev, vdev) 12 13 struct mlx5_vdpa_net_resources { 14 u32 tisn; 15 u32 tdn; 16 u32 tirn; 17 u32 rqtn; 18 bool valid; 19 struct dentry *tirn_dent; 20 }; 21 22 #define MLX5V_MACVLAN_SIZE 256 23 24 static inline u16 key2vid(u64 key) 25 { 26 return (u16)(key >> 48) & 0xfff; 27 } 28 29 #define MLX5_VDPA_IRQ_NAME_LEN 32 30 31 struct mlx5_vdpa_irq_pool_entry { 32 struct msi_map map; 33 bool used; 34 char name[MLX5_VDPA_IRQ_NAME_LEN]; 35 void *dev_id; 36 }; 37 38 struct mlx5_vdpa_irq_pool { 39 int num_ent; 40 struct mlx5_vdpa_irq_pool_entry *entries; 41 }; 42 43 struct mlx5_vdpa_net { 44 struct mlx5_vdpa_dev mvdev; 45 struct mlx5_vdpa_net_resources res; 46 struct virtio_net_config config; 47 struct mlx5_vdpa_virtqueue *vqs; 48 struct vdpa_callback *event_cbs; 49 50 /* Serialize vq resources creation and destruction. This is required 51 * since memory map might change and we need to destroy and create 52 * resources while driver in operational. 53 */ 54 struct rw_semaphore reslock; 55 struct mlx5_flow_table *rxft; 56 struct dentry *rx_dent; 57 struct dentry *rx_table_dent; 58 bool setup; 59 u32 cur_num_vqs; 60 u32 rqt_size; 61 bool nb_registered; 62 struct notifier_block nb; 63 struct vdpa_callback config_cb; 64 struct mlx5_vdpa_wq_ent cvq_ent; 65 struct hlist_head macvlan_hash[MLX5V_MACVLAN_SIZE]; 66 struct mlx5_vdpa_irq_pool irqp; 67 struct dentry *debugfs; 68 69 u32 umem_1_buffer_param_a; 70 u32 umem_1_buffer_param_b; 71 72 u32 umem_2_buffer_param_a; 73 u32 umem_2_buffer_param_b; 74 75 u32 umem_3_buffer_param_a; 76 u32 umem_3_buffer_param_b; 77 }; 78 79 struct mlx5_vdpa_counter { 80 struct mlx5_fc *counter; 81 struct dentry *dent; 82 struct mlx5_core_dev *mdev; 83 }; 84 85 struct macvlan_node { 86 struct hlist_node hlist; 87 struct mlx5_flow_handle *ucast_rule; 88 struct mlx5_flow_handle *mcast_rule; 89 u64 macvlan; 90 struct mlx5_vdpa_net *ndev; 91 bool tagged; 92 #if defined(CONFIG_MLX5_VDPA_STEERING_DEBUG) 93 struct dentry *dent; 94 struct mlx5_vdpa_counter ucast_counter; 95 struct mlx5_vdpa_counter mcast_counter; 96 #endif 97 }; 98 99 void mlx5_vdpa_add_debugfs(struct mlx5_vdpa_net *ndev); 100 void mlx5_vdpa_remove_debugfs(struct mlx5_vdpa_net *ndev); 101 void mlx5_vdpa_add_rx_flow_table(struct mlx5_vdpa_net *ndev); 102 void mlx5_vdpa_remove_rx_flow_table(struct mlx5_vdpa_net *ndev); 103 void mlx5_vdpa_add_tirn(struct mlx5_vdpa_net *ndev); 104 void mlx5_vdpa_remove_tirn(struct mlx5_vdpa_net *ndev); 105 #if defined(CONFIG_MLX5_VDPA_STEERING_DEBUG) 106 void mlx5_vdpa_add_rx_counters(struct mlx5_vdpa_net *ndev, 107 struct macvlan_node *node); 108 void mlx5_vdpa_remove_rx_counters(struct mlx5_vdpa_net *ndev, 109 struct macvlan_node *node); 110 #else 111 static inline void mlx5_vdpa_add_rx_counters(struct mlx5_vdpa_net *ndev, 112 struct macvlan_node *node) {} 113 static inline void mlx5_vdpa_remove_rx_counters(struct mlx5_vdpa_net *ndev, 114 struct macvlan_node *node) {} 115 #endif 116 117 118 #endif /* __MLX5_VNET_H__ */ 119