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1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */2/*3 * Copyright (c) 2019-2020, Mellanox Technologies inc. All rights reserved.4 */5 6#ifndef _MLX5_IB_DEVX_H7#define _MLX5_IB_DEVX_H8 9#include "mlx5_ib.h"10 11#define MLX5_MAX_DESTROY_INBOX_SIZE_DW MLX5_ST_SZ_DW(delete_fte_in)12struct devx_obj {13 struct mlx5_ib_dev *ib_dev;14 u64 obj_id;15 u32 dinlen; /* destroy inbox length */16 u32 dinbox[MLX5_MAX_DESTROY_INBOX_SIZE_DW];17 u32 flags;18 union {19 struct mlx5_ib_mkey mkey;20 struct mlx5_core_dct core_dct;21 struct mlx5_core_cq core_cq;22 u32 flow_counter_bulk_size;23 };24 struct list_head event_sub; /* holds devx_event_subscription entries */25};26#if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS)27int mlx5_ib_devx_create(struct mlx5_ib_dev *dev, bool is_user);28void mlx5_ib_devx_destroy(struct mlx5_ib_dev *dev, u16 uid);29int mlx5_ib_devx_init(struct mlx5_ib_dev *dev);30void mlx5_ib_devx_cleanup(struct mlx5_ib_dev *dev);31#else32static inline int mlx5_ib_devx_create(struct mlx5_ib_dev *dev, bool is_user)33{34 return -EOPNOTSUPP;35}36static inline void mlx5_ib_devx_destroy(struct mlx5_ib_dev *dev, u16 uid) {}37static inline int mlx5_ib_devx_init(struct mlx5_ib_dev *dev)38{39 return 0;40}41static inline void mlx5_ib_devx_cleanup(struct mlx5_ib_dev *dev)42{43}44#endif45#endif /* _MLX5_IB_DEVX_H */46