1 /* $NetBSD: irq_work.h,v 1.6 2021/12/19 11:49:57 riastradh Exp $ */ 2 3 /*- 4 * Copyright (c) 2020 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef _LINUX_IRQ_WORK_H 30 #define _LINUX_IRQ_WORK_H 31 32 #include <sys/queue.h> 33 #include <sys/stdbool.h> 34 35 #include <asm/cpufeature.h> 36 37 /* namespace */ 38 #define init_irq_work linux_init_irq_work 39 #define irq_work_queue linux_irq_work_queue 40 41 struct irq_work { 42 SIMPLEQ_ENTRY(irq_work) iw_entry; 43 volatile unsigned iw_flags; 44 45 /* Linux API */ 46 void (*func)(struct irq_work *); 47 }; 48 49 void init_irq_work(struct irq_work *, void (*)(struct irq_work *)); 50 bool irq_work_queue(struct irq_work *); 51 52 void linux_irq_work_init(void); 53 void linux_irq_work_fini(void); 54 55 #endif /* _LINUX_IRQ_WORK_H */ 56