xref: /minix/sys/sys/interrupt.h (revision 0a6a1f1d)
1 /*	$NetBSD: interrupt.h,v 1.2 2015/08/17 18:43:37 macallan Exp $	*/
2 
3 /*
4  * Copyright (c) 2015 Internet Initiative Japan 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 _SYS_INTERRUPT_H_
30 #define _SYS_INTERRUPT_H_
31 
32 #include <sys/types.h>
33 #include <sys/intr.h>
34 #include <sys/kcpuset.h>
35 
36 typedef char intrid_t[INTRIDBUF];
37 struct intrids_handler {
38 	int iih_nids;
39 	intrid_t iih_intrids[1];
40 	/*
41 	 * The number of the "iih_intrids" array will be overwritten by
42 	 * "iih_nids" after intr_construct_intrids().
43 	 */
44 };
45 
46 uint64_t	interrupt_get_count(const char *, u_int);
47 void		interrupt_get_assigned(const char *, kcpuset_t *);
48 void		interrupt_get_available(kcpuset_t *);
49 void		interrupt_get_devname(const char *, char *, size_t);
50 struct intrids_handler	*interrupt_construct_intrids(const kcpuset_t *);
51 void		interrupt_destruct_intrids(struct intrids_handler *);
52 int		interrupt_distribute(void *, const kcpuset_t *, kcpuset_t *);
53 int		interrupt_distribute_handler(const char *, const kcpuset_t *,
54 		    kcpuset_t *);
55 
56 #endif /* !_SYS_INTERRUPT_H_ */
57