intr.h revision 1.4 
1/* 	$NetBSD: intr.h,v 1.4 2001/05/22 17:25:16 toshii Exp $	*/
2
3/*
4 * Copyright (c) 1997 Mark Brinicombe.
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 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed by Mark Brinicombe
18 *	for the NetBSD Project.
19 * 4. The name of the company nor the name of the author may be used to
20 *    endorse or promote products derived from this software without specific
21 *    prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
24 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#ifndef _HPCARM_INTR_H_
37#define _HPCARM_INTR_H_
38
39/* Define the various Interrupt Priority Levels */
40
41/* Hardware Interrupt Priority Levels are not mutually exclusive. */
42
43#define IPL_BIO		0	/* block I/O */
44#define IPL_NET		1	/* network */
45#define IPL_TTY		2	/* terminal */
46#define IPL_IMP		3	/* memory allocation */
47#define IPL_AUDIO	4	/* audio */
48#define IPL_CLOCK	5	/* clock */
49#define IPL_HIGH	6	/*  */
50#define IPL_SERIAL	7	/* serial */
51#define IPL_NONE	8
52
53#define NIPL		9
54
55#define	IST_UNUSABLE	-1	/* interrupt cannot be used */
56#define	IST_NONE	0	/* none (dummy) */
57#define	IST_PULSE	1	/* pulsed */
58#define	IST_EDGE	2	/* edge-triggered */
59#define	IST_LEVEL	3	/* level-triggered */
60
61/* Software interrupt priority levels */
62
63#define SOFTIRQ_CLOCK	0
64#define SOFTIRQ_NET	1
65#define SOFTIRQ_SERIAL	2
66
67#define SOFTIRQ_BIT(x)	(1 << x)
68
69#include <machine/irqhandler.h>
70#include <machine/psl.h>
71
72#ifndef _LOCORE
73void *softintr_establish(int, int (*)(void *), void *);
74void softintr_disestablish(void *);
75void softintr_schedule(void *);
76#endif
77
78#endif	/* _HPCARM_INTR_H */
79