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
36typedef char intrid_t[INTRIDBUF];
37struct 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
46uint64_t interrupt_get_count(const char *, u_int);
47void interrupt_get_assigned(const char *, kcpuset_t *);
48void interrupt_get_available(kcpuset_t *);
49void interrupt_get_devname(const char *, char *, size_t);
50struct intrids_handler *interrupt_construct_intrids(const kcpuset_t *);
51void interrupt_destruct_intrids(struct intrids_handler *);
52int interrupt_distribute(void *, const kcpuset_t *, kcpuset_t *);
53int interrupt_distribute_handler(const char *, const kcpuset_t *,
54 kcpuset_t *);
55
56#endif /* !_SYS_INTERRUPT_H_ */
57