1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ 2 /* 3 * Copyright (c) 2017-2019 Mellanox Technologies. All rights reserved. 4 */ 5 6 #ifndef _RDMA_CORE_RESTRACK_H_ 7 #define _RDMA_CORE_RESTRACK_H_ 8 9 #include <linux/mutex.h> 10 11 /** 12 * struct rdma_restrack_root - main resource tracking management 13 * entity, per-device 14 */ 15 struct rdma_restrack_root { 16 /** 17 * @xa: Array of XArray structure to hold restrack entries. 18 */ 19 struct xarray xa; 20 /** 21 * @next_id: Next ID to support cyclic allocation 22 */ 23 u32 next_id; 24 }; 25 26 int rdma_restrack_init(struct ib_device *dev); 27 void rdma_restrack_clean(struct ib_device *dev); 28 #endif /* _RDMA_CORE_RESTRACK_H_ */ 29