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
 13struct 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
 24static inline u16 key2vid(u64 key)
 25{
 26	return (u16)(key >> 48) & 0xfff;
 27}
 28
 29#define MLX5_VDPA_IRQ_NAME_LEN 32
 30
 31struct 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
 38struct mlx5_vdpa_irq_pool {
 39	int num_ent;
 40	struct mlx5_vdpa_irq_pool_entry *entries;
 41};
 42
 43struct 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
 79struct mlx5_vdpa_counter {
 80	struct mlx5_fc *counter;
 81	struct dentry *dent;
 82	struct mlx5_core_dev *mdev;
 83};
 84
 85struct 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
 99void mlx5_vdpa_add_debugfs(struct mlx5_vdpa_net *ndev);
100void mlx5_vdpa_remove_debugfs(struct mlx5_vdpa_net *ndev);
101void mlx5_vdpa_add_rx_flow_table(struct mlx5_vdpa_net *ndev);
102void mlx5_vdpa_remove_rx_flow_table(struct mlx5_vdpa_net *ndev);
103void mlx5_vdpa_add_tirn(struct mlx5_vdpa_net *ndev);
104void mlx5_vdpa_remove_tirn(struct mlx5_vdpa_net *ndev);
105#if defined(CONFIG_MLX5_VDPA_STEERING_DEBUG)
106void mlx5_vdpa_add_rx_counters(struct mlx5_vdpa_net *ndev,
107			       struct macvlan_node *node);
108void mlx5_vdpa_remove_rx_counters(struct mlx5_vdpa_net *ndev,
109				  struct macvlan_node *node);
110#else
111static inline void mlx5_vdpa_add_rx_counters(struct mlx5_vdpa_net *ndev,
112					     struct macvlan_node *node) {}
113static 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__ */