1 /* $NetBSD: isr.h,v 1.2 1998/11/10 22:45:45 dbj Exp $ */ 2 3 /* 4 * This file was taken from from mvme68k/mvme68k/isr.h 5 * should probably be re-synced when needed. 6 * Darrin B. Jewell <jewell@mit.edu> Tue Nov 10 05:07:16 1998 7 * original cvs id: NetBSD: isr.h,v 1.3 1997/10/09 08:40:06 jtc Exp 8 */ 9 10 /*- 11 * Copyright (c) 1996 The NetBSD Foundation, Inc. 12 * All rights reserved. 13 * 14 * This code is derived from software contributed to The NetBSD Foundation 15 * by Jason R. Thorpe. 16 * 17 * Redistribution and use in source and binary forms, with or without 18 * modification, are permitted provided that the following conditions 19 * are met: 20 * 1. Redistributions of source code must retain the above copyright 21 * notice, this list of conditions and the following disclaimer. 22 * 2. Redistributions in binary form must reproduce the above copyright 23 * notice, this list of conditions and the following disclaimer in the 24 * documentation and/or other materials provided with the distribution. 25 * 3. All advertising materials mentioning features or use of this software 26 * must display the following acknowledgement: 27 * This product includes software developed by the NetBSD 28 * Foundation, Inc. and its contributors. 29 * 4. Neither the name of The NetBSD Foundation nor the names of its 30 * contributors may be used to endorse or promote products derived 31 * from this software without specific prior written permission. 32 * 33 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 34 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 35 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 36 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 37 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 38 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 39 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 40 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 41 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 42 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 43 * POSSIBILITY OF SUCH DAMAGE. 44 */ 45 46 #include <sys/queue.h> 47 48 /* 49 * The location and size of the autovectored interrupt portion 50 * of the vector table. 51 */ 52 #define ISRAUTOVEC 0x18 53 #define NISRAUTOVEC 8 54 55 /* 56 * The location and size of the vectored interrupt portion 57 * of the vector table. 58 */ 59 #define ISRVECTORED 0x40 60 #define NISRVECTORED 192 61 62 /* 63 * Autovectored interupt handler cookie. 64 */ 65 struct isr_autovec { 66 LIST_ENTRY(isr_autovec) isr_link; 67 int (*isr_func) __P((void *)); 68 void *isr_arg; 69 int isr_ipl; 70 int isr_priority; 71 }; 72 73 typedef LIST_HEAD(, isr_autovec) isr_autovec_list_t; 74 75 /* 76 * Vectored interrupt handler cookie. The handler may request to 77 * receive the exception frame as an argument by specifying NULL 78 * when establishing the interrupt. 79 */ 80 struct isr_vectored { 81 int (*isr_func) __P((void *)); 82 void *isr_arg; 83 int isr_ipl; 84 }; 85 86 /* 87 * Autovectored ISR priorities. These are not the same as interrupt levels. 88 */ 89 #define ISRPRI_BIO 0 90 #define ISRPRI_NET 1 91 #define ISRPRI_TTY 2 92 #define ISRPRI_TTYNOBUF 3 93 94 void isrinit __P((void)); 95 void isrlink_autovec __P((int (*)(void *), void *, int, int)); 96 void isrlink_vectored __P((int (*)(void *), void *, int, int)); 97 void isrunlink_vectored __P((int)); 98 void isrdispatch_autovec __P((int, int, void *)); 99 void isrdispatch_vectored __P((int, int, void *)); 100