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1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2/*
3 * Copyright (c) 2025, NVIDIA CORPORATION & AFFILIATES. All rights reserved
4 */
5
6#ifndef _IB_UCAPS_H_
7#define _IB_UCAPS_H_
8
9#define UCAP_ENABLED(ucaps, type) (!!((ucaps) & (1U << (type))))
10
11enum rdma_user_cap {
12 RDMA_UCAP_MLX5_CTRL_LOCAL,
13 RDMA_UCAP_MLX5_CTRL_OTHER_VHCA,
14 RDMA_UCAP_MAX
15};
16
17void ib_cleanup_ucaps(void);
18int ib_get_ucaps(int *fds, int fd_count, uint64_t *idx_mask);
19#if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS)
20int ib_create_ucap(enum rdma_user_cap type);
21void ib_remove_ucap(enum rdma_user_cap type);
22#else
23static inline int ib_create_ucap(enum rdma_user_cap type)
24{
25 return -EOPNOTSUPP;
26}
27static inline void ib_remove_ucap(enum rdma_user_cap type) {}
28#endif /* CONFIG_INFINIBAND_USER_ACCESS */
29
30#endif /* _IB_UCAPS_H_ */