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)
12 struct 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)
27 int mlx5_ib_devx_create(struct mlx5_ib_dev *dev, bool is_user, u64 req_ucaps);
28 void mlx5_ib_devx_destroy(struct mlx5_ib_dev *dev, u16 uid);
29 int mlx5_ib_devx_init(struct mlx5_ib_dev *dev);
30 void mlx5_ib_devx_cleanup(struct mlx5_ib_dev *dev);
31 void mlx5_ib_ufile_hw_cleanup(struct ib_uverbs_file *ufile);
32 #else
mlx5_ib_devx_create(struct mlx5_ib_dev * dev,bool is_user,u64 req_ucaps)33 static inline int mlx5_ib_devx_create(struct mlx5_ib_dev *dev, bool is_user,
34 u64 req_ucaps)
35 {
36 return -EOPNOTSUPP;
37 }
mlx5_ib_devx_destroy(struct mlx5_ib_dev * dev,u16 uid)38 static inline void mlx5_ib_devx_destroy(struct mlx5_ib_dev *dev, u16 uid) {}
mlx5_ib_devx_init(struct mlx5_ib_dev * dev)39 static inline int mlx5_ib_devx_init(struct mlx5_ib_dev *dev)
40 {
41 return 0;
42 }
mlx5_ib_devx_cleanup(struct mlx5_ib_dev * dev)43 static inline void mlx5_ib_devx_cleanup(struct mlx5_ib_dev *dev)
44 {
45 }
mlx5_ib_ufile_hw_cleanup(struct ib_uverbs_file * ufile)46 static inline void mlx5_ib_ufile_hw_cleanup(struct ib_uverbs_file *ufile)
47 {
48 }
49 #endif
50 #endif /* _MLX5_IB_DEVX_H */
51