intr.h revision 1.1 1 /* $NetBSD: intr.h,v 1.1 1998/08/18 23:55:00 matt Exp $ */
2
3 /*
4 * Copyright (c) 1998 Matt Thomas.
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. The name of the company nor the name of the author may be used to
16 * endorse or promote products derived from this software without specific
17 * prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
20 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
23 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
25 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #ifndef _VAX_INTR_H_
33 #define _VAX_INTR_H_
34
35 /* Define the various Interrupt Priority Levels */
36
37 /* Interrupt Priority Levels are not mutually exclusive. */
38
39 #define IPL_BIO 0 /* block I/O */
40 #define IPL_NET 1 /* network */
41 #define IPL_TTY 2 /* terminal */
42 #define IPL_IMP 3 /* memory allocation */
43 #define IPL_AUDIO 4 /* audio */
44 #define IPL_CLOCK 5 /* clock */
45 #define IPL_NONE 6
46
47 #define IPL_LEVELS 7
48
49 #define IST_UNUSABLE -1 /* interrupt cannot be used */
50 #define IST_NONE 0 /* none (dummy) */
51 #define IST_PULSE 1 /* pulsed */
52 #define IST_EDGE 2 /* edge-triggered */
53 #define IST_LEVEL 3 /* level-triggered */
54
55 #include <machine/param.h>
56
57 #endif /* _VAX_INTR_H */
58