linux/linux-5.4.31/drivers/infiniband/core/restrack.h

32 lines
813 B
C

/* 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_ */