| /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ |
| /* |
| * Copyright (c) 2019-2020, Mellanox Technologies inc. All rights reserved. |
| */ |
| |
| #ifndef _MLX5_IB_DEVX_H |
| #define _MLX5_IB_DEVX_H |
| |
| #include "mlx5_ib.h" |
| |
| #define MLX5_MAX_DESTROY_INBOX_SIZE_DW MLX5_ST_SZ_DW(delete_fte_in) |
| struct devx_obj { |
| struct mlx5_ib_dev *ib_dev; |
| u64 obj_id; |
| u32 dinlen; /* destroy inbox length */ |
| u32 dinbox[MLX5_MAX_DESTROY_INBOX_SIZE_DW]; |
| u32 flags; |
| union { |
| struct mlx5_ib_devx_mr devx_mr; |
| struct mlx5_core_dct core_dct; |
| struct mlx5_core_cq core_cq; |
| u32 flow_counter_bulk_size; |
| }; |
| struct list_head event_sub; /* holds devx_event_subscription entries */ |
| }; |
| #if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS) |
| int mlx5_ib_devx_create(struct mlx5_ib_dev *dev, bool is_user); |
| void mlx5_ib_devx_destroy(struct mlx5_ib_dev *dev, u16 uid); |
| int mlx5_ib_devx_init(struct mlx5_ib_dev *dev); |
| void mlx5_ib_devx_cleanup(struct mlx5_ib_dev *dev); |
| #else |
| static inline int mlx5_ib_devx_create(struct mlx5_ib_dev *dev, bool is_user) |
| { |
| return -EOPNOTSUPP; |
| } |
| static inline void mlx5_ib_devx_destroy(struct mlx5_ib_dev *dev, u16 uid) {} |
| static inline int mlx5_ib_devx_init(struct mlx5_ib_dev *dev) |
| { |
| return 0; |
| } |
| static inline void mlx5_ib_devx_cleanup(struct mlx5_ib_dev *dev) |
| { |
| } |
| #endif |
| #endif /* _MLX5_IB_DEVX_H */ |
