linuxkpi: Add irq_work.h
Since handlers are call in a thread context we can simply use a workqueue to emulate those functions. The DRM code was patched to do that already, having it in linuxkpi allows us to not patch the upstream code. Sponsored-by: The FreeBSD Foundation Reviewed by: hselasky Differential Revision: https://reviews.freebsd.org/D24859
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2020-12-20 02:59:44 +00:00
svn path=/head/; revision=361247
52
sys/compat/linuxkpi/common/include/linux/irq_work.h
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52
sys/compat/linuxkpi/common/include/linux/irq_work.h
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/*-
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* Copyright (c) 2020 The FreeBSD Foundation
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*
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* This software was developed by Emmanuel Vadot under sponsorship
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* from the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef __LINUX_IRQ_WORK_H__
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#define __LINUX_IRQ_WORK_H__
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#include <linux/workqueue.h>
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struct irq_work {
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struct work_struct work;
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};
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static inline void
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init_irq_work(struct irq_work *irqw, void (*func)(struct irq_work *))
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{
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INIT_WORK(&irqw->work, (work_func_t)func);
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}
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static inline void
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irq_work_queue(struct irq_work *irqw)
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{
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schedule_work(&irqw->work);
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}
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#endif /* __LINUX_IRQ_WORK_H__ */
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