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intr.h revision 1.1 
      1 /*	$NetBSD: intr.h,v 1.1 1996/04/12 01:42:17 cgd Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1996 Carnegie-Mellon University.
      5  * All rights reserved.
      6  *
      7  * Author: Chris G. Demetriou
      8  *
      9  * Permission to use, copy, modify and distribute this software and
     10  * its documentation is hereby granted, provided that both the copyright
     11  * notice and this permission notice appear in all copies of the
     12  * software, derivative works or modified versions, and any portions
     13  * thereof, and that both notices appear in supporting documentation.
     14  *
     15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     18  *
     19  * Carnegie Mellon requests users of this software to return to
     20  *
     21  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     22  *  School of Computer Science
     23  *  Carnegie Mellon University
     24  *  Pittsburgh PA 15213-3890
     25  *
     26  * any improvements or extensions that they make and grant Carnegie the
     27  * rights to redistribute these changes.
     28  */
     29 
     30 #define	IPL_NONE	0	/* disable only this interrupt */
     31 #define	IPL_BIO		1	/* disable block I/O interrupts */
     32 #define	IPL_NET		2	/* disable network interrupts */
     33 #define	IPL_TTY		3	/* disable terminal interrupts */
     34 #define	IPL_CLOCK	4	/* disable clock interrupts */
     35 #define	IPL_HIGH	5	/* disable all interrupts */
     36 
     37 #define	IST_NONE	0	/* none (dummy) */
     38 #define	IST_PULSE	1	/* pulsed */
     39 #define	IST_EDGE	2	/* edge-triggered */
     40 #define	IST_LEVEL	3	/* level-triggered */
     41