drivers/infiniband/core/restrack.h

/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/*
 * Copyright (c) 2017-2019 Mellanox Technologies. All rights reserved.
 */

#ifndef _RDMA_CORE_RESTRACK_H_
#define _RDMA_CORE_RESTRACK_H_

#include <linux/mutex.h>

/**
 * struct rdma_restrack_root - main resource tracking management
 * entity, per-device
 */
struct rdma_restrack_root {
	/**
	 * @xa: Array of XArray structure to hold restrack entries.
	 */
	struct xarray xa;
	/**
	 * @next_id: Next ID to support cyclic allocation
	 */
	u32 next_id;
};

int rdma_restrack_init(struct ib_device *dev);
void rdma_restrack_clean(struct ib_device *dev);
void rdma_restrack_attach_task(struct rdma_restrack_entry *res,
			       struct task_struct *task);
bool rdma_is_visible_in_pid_ns(struct rdma_restrack_entry *res);
#endif /* _RDMA_CORE_RESTRACK_H_ */