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/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/* Copyright (c) 2020 Mellanox Technologies Ltd. */
#ifndef __MLX5_VDPA_H__
#define __MLX5_VDPA_H__
#include <linux/vdpa.h>
#include <linux/mlx5/driver.h>
struct mlx5_vdpa_resources {
u32 pdn;
struct mlx5_uars_page *uar;
void __iomem *kick_addr;
u16 uid;
u32 null_mkey;
bool valid;
};
struct mlx5_vdpa_dev {
struct vdpa_device vdev;
struct mlx5_core_dev *mdev;
struct mlx5_vdpa_resources res;
u64 mlx_features;
u64 actual_features;
u8 status;
u32 max_vqs;
u32 generation;
};
int mlx5_vdpa_alloc_pd(struct mlx5_vdpa_dev *dev, u32 *pdn, u16 uid);
int mlx5_vdpa_dealloc_pd(struct mlx5_vdpa_dev *dev, u32 pdn, u16 uid);
int mlx5_vdpa_get_null_mkey(struct mlx5_vdpa_dev *dev, u32 *null_mkey);
int mlx5_vdpa_create_tis(struct mlx5_vdpa_dev *mvdev, void *in, u32 *tisn);
void mlx5_vdpa_destroy_tis(struct mlx5_vdpa_dev *mvdev, u32 tisn);
int mlx5_vdpa_create_rqt(struct mlx5_vdpa_dev *mvdev, void *in, int inlen, u32 *rqtn);
void mlx5_vdpa_destroy_rqt(struct mlx5_vdpa_dev *mvdev, u32 rqtn);
int mlx5_vdpa_create_tir(struct mlx5_vdpa_dev *mvdev, void *in, u32 *tirn);
void mlx5_vdpa_destroy_tir(struct mlx5_vdpa_dev *mvdev, u32 tirn);
int mlx5_vdpa_alloc_transport_domain(struct mlx5_vdpa_dev *mvdev, u32 *tdn);
void mlx5_vdpa_dealloc_transport_domain(struct mlx5_vdpa_dev *mvdev, u32 tdn);
int mlx5_vdpa_alloc_resources(struct mlx5_vdpa_dev *mvdev);
void mlx5_vdpa_free_resources(struct mlx5_vdpa_dev *mvdev);
#define mlx5_vdpa_warn(__dev, format, ...) \
dev_warn((__dev)->mdev->device, "%s:%d:(pid %d) warning: " format, __func__, __LINE__, \
current->pid, ##__VA_ARGS__)
#define mlx5_vdpa_info(__dev, format, ...) \
dev_info((__dev)->mdev->device, "%s:%d:(pid %d): " format, __func__, __LINE__, \
current->pid, ##__VA_ARGS__)
#define mlx5_vdpa_dbg(__dev, format, ...) \
dev_debug((__dev)->mdev->device, "%s:%d:(pid %d): " format, __func__, __LINE__, \
current->pid, ##__VA_ARGS__)
#endif /* __MLX5_VDPA_H__ */
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