root/drivers/net/ethernet/mellanox/mlx5/core/lib/hv_vhca.h

INCLUDED FROM

DEFINITIONS

1. mlx5_hv_vhca_create
2. mlx5_hv_vhca_destroy
3. mlx5_hv_vhca_init
4. mlx5_hv_vhca_cleanup
5. mlx5_hv_vhca_invalidate
6. mlx5_hv_vhca_agent_create
7. mlx5_hv_vhca_agent_destroy
8. mlx5_hv_vhca_write_agent

   1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
   2 /* Copyright (c) 2019 Mellanox Technologies. */
   3 
   4 #ifndef __LIB_HV_VHCA_H__
   5 #define __LIB_HV_VHCA_H__
   6 
   7 #include "en.h"
   8 #include "lib/hv.h"
   9 
  10 struct mlx5_hv_vhca_agent;
  11 struct mlx5_hv_vhca;
  12 struct mlx5_hv_vhca_control_block;
  13 
  14 enum mlx5_hv_vhca_agent_type {
  15         MLX5_HV_VHCA_AGENT_CONTROL = 0,
  16         MLX5_HV_VHCA_AGENT_STATS   = 1,
  17         MLX5_HV_VHCA_AGENT_MAX = 32,
  18 };
  19 
  20 #if IS_ENABLED(CONFIG_PCI_HYPERV_INTERFACE)
  21 
  22 struct mlx5_hv_vhca_control_block {
  23         u32     capabilities;
  24         u32     control;
  25         u16     command;
  26         u16     command_ack;
  27         u16     version;
  28         u16     rings;
  29         u32     reserved1[28];
  30 };
  31 
  32 struct mlx5_hv_vhca *mlx5_hv_vhca_create(struct mlx5_core_dev *dev);
  33 void mlx5_hv_vhca_destroy(struct mlx5_hv_vhca *hv_vhca);
  34 int mlx5_hv_vhca_init(struct mlx5_hv_vhca *hv_vhca);
  35 void mlx5_hv_vhca_cleanup(struct mlx5_hv_vhca *hv_vhca);
  36 void mlx5_hv_vhca_invalidate(void *context, u64 block_mask);
  37 
  38 struct mlx5_hv_vhca_agent *
  39 mlx5_hv_vhca_agent_create(struct mlx5_hv_vhca *hv_vhca,
  40                           enum mlx5_hv_vhca_agent_type type,
  41                           void (*control)(struct mlx5_hv_vhca_agent*,
  42                                           struct mlx5_hv_vhca_control_block *block),
  43                           void (*invalidate)(struct mlx5_hv_vhca_agent*,
  44                                              u64 block_mask),
  45                           void (*cleanup)(struct mlx5_hv_vhca_agent *agent),
  46                           void *context);
  47 
  48 void mlx5_hv_vhca_agent_destroy(struct mlx5_hv_vhca_agent *agent);
  49 int mlx5_hv_vhca_agent_write(struct mlx5_hv_vhca_agent *agent,
  50                              void *buf, int len);
  51 void *mlx5_hv_vhca_agent_priv(struct mlx5_hv_vhca_agent *agent);
  52 
  53 #else
  54 
  55 static inline struct mlx5_hv_vhca *
  56 mlx5_hv_vhca_create(struct mlx5_core_dev *dev)
  57 {
  58         return NULL;
  59 }
  60 
  61 static inline void mlx5_hv_vhca_destroy(struct mlx5_hv_vhca *hv_vhca)
  62 {
  63 }
  64 
  65 static inline int mlx5_hv_vhca_init(struct mlx5_hv_vhca *hv_vhca)
  66 {
  67         return 0;
  68 }
  69 
  70 static inline void mlx5_hv_vhca_cleanup(struct mlx5_hv_vhca *hv_vhca)
  71 {
  72 }
  73 
  74 static inline void mlx5_hv_vhca_invalidate(void *context,
  75                                            u64 block_mask)
  76 {
  77 }
  78 
  79 static inline struct mlx5_hv_vhca_agent *
  80 mlx5_hv_vhca_agent_create(struct mlx5_hv_vhca *hv_vhca,
  81                           enum mlx5_hv_vhca_agent_type type,
  82                           void (*control)(struct mlx5_hv_vhca_agent*,
  83                                           struct mlx5_hv_vhca_control_block *block),
  84                           void (*invalidate)(struct mlx5_hv_vhca_agent*,
  85                                              u64 block_mask),
  86                           void (*cleanup)(struct mlx5_hv_vhca_agent *agent),
  87                           void *context)
  88 {
  89         return NULL;
  90 }
  91 
  92 static inline void mlx5_hv_vhca_agent_destroy(struct mlx5_hv_vhca_agent *agent)
  93 {
  94 }
  95 
  96 static inline int
  97 mlx5_hv_vhca_write_agent(struct mlx5_hv_vhca_agent *agent,
  98                          void *buf, int len)
  99 {
 100         return 0;
 101 }
 102 #endif
 103 
 104 #endif /* __LIB_HV_VHCA_H__ */