63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
/*
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* SPDX-FileCopyrightText: Copyright (c) 2016 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __NV_KTHREAD_QUEUE_OS_H__
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#define __NV_KTHREAD_QUEUE_OS_H__
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#include <linux/types.h> // atomic_t
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#include <linux/list.h> // list
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#include <linux/sched.h> // task_struct
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#include <linux/numa.h> // NUMA_NO_NODE
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#include <linux/semaphore.h>
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#include "conftest.h"
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struct nv_kthread_q
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{
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struct list_head q_list_head;
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spinlock_t q_lock;
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// This is a counting semaphore. It gets incremented and decremented
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// exactly once for each item that is added to the queue.
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struct semaphore q_sem;
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atomic_t main_loop_should_exit;
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struct task_struct *q_kthread;
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};
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struct nv_kthread_q_item
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{
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struct list_head q_list_node;
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nv_q_func_t function_to_run;
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void *function_args;
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};
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#ifndef NUMA_NO_NODE
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#define NUMA_NO_NODE (-1)
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#endif
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#define NV_KTHREAD_NO_NODE NUMA_NO_NODE
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#endif
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