1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2 /* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */
4 #ifndef __MLX5_VNET_H__
5 #define __MLX5_VNET_H__
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)
13 struct mlx5_vdpa_net_resources {
19 struct dentry *tirn_dent;
22 #define MLX5V_MACVLAN_SIZE 256
24 static inline u16 key2vid(u64 key)
26 return (u16)(key >> 48) & 0xfff;
29 #define MLX5_VDPA_IRQ_NAME_LEN 32
31 struct mlx5_vdpa_irq_pool_entry {
34 char name[MLX5_VDPA_IRQ_NAME_LEN];
38 struct mlx5_vdpa_irq_pool {
40 struct mlx5_vdpa_irq_pool_entry *entries;
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;
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.
54 struct rw_semaphore reslock;
55 struct mlx5_flow_table *rxft;
56 struct dentry *rx_dent;
57 struct dentry *rx_table_dent;
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;
69 u32 umem_1_buffer_param_a;
70 u32 umem_1_buffer_param_b;
72 u32 umem_2_buffer_param_a;
73 u32 umem_2_buffer_param_b;
75 u32 umem_3_buffer_param_a;
76 u32 umem_3_buffer_param_b;
79 struct mlx5_vdpa_counter {
80 struct mlx5_fc *counter;
82 struct mlx5_core_dev *mdev;
86 struct hlist_node hlist;
87 struct mlx5_flow_handle *ucast_rule;
88 struct mlx5_flow_handle *mcast_rule;
90 struct mlx5_vdpa_net *ndev;
92 #if defined(CONFIG_MLX5_VDPA_STEERING_DEBUG)
94 struct mlx5_vdpa_counter ucast_counter;
95 struct mlx5_vdpa_counter mcast_counter;
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);
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) {}
118 #endif /* __MLX5_VNET_H__ */