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 11 enum rdma_user_cap { 12 RDMA_UCAP_MLX5_CTRL_LOCAL, 13 RDMA_UCAP_MLX5_CTRL_OTHER_VHCA, 14 RDMA_UCAP_MAX 15 }; 16 17 int ib_get_ucaps(int *fds, int fd_count, uint64_t *idx_mask); 18 #if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS) 19 int ib_create_ucap(enum rdma_user_cap type); 20 void ib_remove_ucap(enum rdma_user_cap type); 21 #else 22 static inline int ib_create_ucap(enum rdma_user_cap type) 23 { 24 return -EOPNOTSUPP; 25 } 26 static inline void ib_remove_ucap(enum rdma_user_cap type) {} 27 #endif /* CONFIG_INFINIBAND_USER_ACCESS */ 28 29 #endif /* _IB_UCAPS_H_ */ 30