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699a9c540a
Add rdma_restrack_attach_task() which is able to attach a task other then "current" to a resource. Signed-off-by: Mark Zhang <markz@mellanox.com> Reviewed-by: Majd Dibbiny <majd@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
31 lines
748 B
C
31 lines
748 B
C
/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
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/*
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* Copyright (c) 2017-2019 Mellanox Technologies. All rights reserved.
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*/
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#ifndef _RDMA_CORE_RESTRACK_H_
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#define _RDMA_CORE_RESTRACK_H_
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#include <linux/mutex.h>
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/**
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* struct rdma_restrack_root - main resource tracking management
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* entity, per-device
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*/
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struct rdma_restrack_root {
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/**
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* @xa: Array of XArray structure to hold restrack entries.
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*/
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struct xarray xa;
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/**
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* @next_id: Next ID to support cyclic allocation
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*/
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u32 next_id;
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};
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int rdma_restrack_init(struct ib_device *dev);
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void rdma_restrack_clean(struct ib_device *dev);
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void rdma_restrack_attach_task(struct rdma_restrack_entry *res,
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struct task_struct *task);
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#endif /* _RDMA_CORE_RESTRACK_H_ */
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