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_H
7#define _MLX5_IB_DEVX_H
8
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#else
32static 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#endif
45#endif /* _MLX5_IB_DEVX_H */
46