LXR linux/drivers/infiniband/core/restrack.h

   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 */
  15struct 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
  26int rdma_restrack_init(struct ib_device *dev);
  27void rdma_restrack_clean(struct ib_device *dev);
  28void rdma_restrack_add(struct rdma_restrack_entry *res);
  29void rdma_restrack_del(struct rdma_restrack_entry *res);
  30void rdma_restrack_new(struct rdma_restrack_entry *res,
  31                       enum rdma_restrack_type type);
  32void rdma_restrack_set_name(struct rdma_restrack_entry *res,
  33                            const char *caller);
  34void rdma_restrack_parent_name(struct rdma_restrack_entry *dst,
  35                               const struct rdma_restrack_entry *parent);
  36#endif /* _RDMA_CORE_RESTRACK_H_ */
  37