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/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/* Copyright (c) 2019 Mellanox Technologies. */
#ifndef __LIB_HV_VHCA_H__
#define __LIB_HV_VHCA_H__
#include "en.h"
#include "lib/hv.h"
struct mlx5_hv_vhca_agent;
struct mlx5_hv_vhca;
struct mlx5_hv_vhca_control_block;
enum mlx5_hv_vhca_agent_type {
MLX5_HV_VHCA_AGENT_CONTROL = 0,
MLX5_HV_VHCA_AGENT_STATS = 1,
MLX5_HV_VHCA_AGENT_MAX = 32,
};
#if IS_ENABLED(CONFIG_PCI_HYPERV_INTERFACE)
struct mlx5_hv_vhca_control_block {
u32 capabilities;
u32 control;
u16 command;
u16 command_ack;
u16 version;
u16 rings;
u32 reserved1[28];
};
struct mlx5_hv_vhca *mlx5_hv_vhca_create(struct mlx5_core_dev *dev);
void mlx5_hv_vhca_destroy(struct mlx5_hv_vhca *hv_vhca);
int mlx5_hv_vhca_init(struct mlx5_hv_vhca *hv_vhca);
void mlx5_hv_vhca_cleanup(struct mlx5_hv_vhca *hv_vhca);
void mlx5_hv_vhca_invalidate(void *context, u64 block_mask);
struct mlx5_hv_vhca_agent *
mlx5_hv_vhca_agent_create(struct mlx5_hv_vhca *hv_vhca,
enum mlx5_hv_vhca_agent_type type,
void (*control)(struct mlx5_hv_vhca_agent*,
struct mlx5_hv_vhca_control_block *block),
void (*invalidate)(struct mlx5_hv_vhca_agent*,
u64 block_mask),
void (*cleanup)(struct mlx5_hv_vhca_agent *agent),
void *context);
void mlx5_hv_vhca_agent_destroy(struct mlx5_hv_vhca_agent *agent);
int mlx5_hv_vhca_agent_write(struct mlx5_hv_vhca_agent *agent,
void *buf, int len);
void *mlx5_hv_vhca_agent_priv(struct mlx5_hv_vhca_agent *agent);
#else
static inline struct mlx5_hv_vhca *
mlx5_hv_vhca_create(struct mlx5_core_dev *dev)
{
return NULL;
}
static inline void mlx5_hv_vhca_destroy(struct mlx5_hv_vhca *hv_vhca)
{
}
static inline int mlx5_hv_vhca_init(struct mlx5_hv_vhca *hv_vhca)
{
return 0;
}
static inline void mlx5_hv_vhca_cleanup(struct mlx5_hv_vhca *hv_vhca)
{
}
static inline void mlx5_hv_vhca_invalidate(void *context,
u64 block_mask)
{
}
static inline struct mlx5_hv_vhca_agent *
mlx5_hv_vhca_agent_create(struct mlx5_hv_vhca *hv_vhca,
enum mlx5_hv_vhca_agent_type type,
void (*control)(struct mlx5_hv_vhca_agent*,
struct mlx5_hv_vhca_control_block *block),
void (*invalidate)(struct mlx5_hv_vhca_agent*,
u64 block_mask),
void (*cleanup)(struct mlx5_hv_vhca_agent *agent),
void *context)
{
return NULL;
}
static inline void mlx5_hv_vhca_agent_destroy(struct mlx5_hv_vhca_agent *agent)
{
}
static inline int
mlx5_hv_vhca_write_agent(struct mlx5_hv_vhca_agent *agent,
void *buf, int len)
{
return 0;
}
#endif
#endif /* __LIB_HV_VHCA_H__ */
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