93 lines
3.2 KiB
C
93 lines
3.2 KiB
C
/* $NetBSD: isr.h,v 1.3 1997/10/09 08:40:06 jtc Exp $ */
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/*-
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* Copyright (c) 1996 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/queue.h>
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/*
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* The location and size of the autovectored interrupt portion
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* of the vector table.
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*/
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#define ISRAUTOVEC 0x18
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#define NISRAUTOVEC 8
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/*
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* The location and size of the vectored interrupt portion
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* of the vector table.
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*/
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#define ISRVECTORED 0x40
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#define NISRVECTORED 192
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/*
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* Autovectored interupt handler cookie.
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*/
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struct isr_autovec {
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LIST_ENTRY(isr_autovec) isr_link;
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int (*isr_func) __P((void *));
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void *isr_arg;
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int isr_ipl;
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int isr_priority;
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};
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typedef LIST_HEAD(, isr_autovec) isr_autovec_list_t;
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/*
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* Vectored interrupt handler cookie. The handler may request to
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* receive the exception frame as an argument by specifying NULL
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* when establishing the interrupt.
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*/
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struct isr_vectored {
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int (*isr_func) __P((void *));
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void *isr_arg;
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int isr_ipl;
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};
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/*
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* Autovectored ISR priorities. These are not the same as interrupt levels.
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*/
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#define ISRPRI_BIO 0
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#define ISRPRI_NET 1
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#define ISRPRI_TTY 2
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#define ISRPRI_TTYNOBUF 3
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void isrinit __P((void));
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void isrlink_autovec __P((int (*)(void *), void *, int, int));
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void isrlink_vectored __P((int (*)(void *), void *, int, int));
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void isrunlink_vectored __P((int));
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void isrdispatch_autovec __P((int));
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void isrdispatch_vectored __P((int, int, void *));
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