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/* $OpenBSD: intr.h,v 1.24 2013/06/16 14:49:49 kettenis Exp $ */
/*
* Copyright (C) 2000 Steve Murphree, Jr.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (c) 1996 Nivas Madhur
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _MACHINE_INTR_H_
#define _MACHINE_INTR_H_
/*
* IPL levels.
* We use 6 as IPL_HIGH so that abort can be programmed at 7 so that
* it is always possible to break into the system unless interrupts
* are disabled.
*/
#define IPL_NONE 0
#define IPL_SOFTINT 1
#define IPL_BIO 2
#define IPL_NET 3
#define IPL_TTY 5
#define IPL_VM 5
#define IPL_CLOCK 5
#define IPL_STATCLOCK 5
#define IPL_SCHED 5
#define IPL_HIGH 6
#define IPL_NMI 7
#define IPL_ABORT 7
#define NIPLS 8
#define IPL_MPSAFE 0 /* no "mpsafe" interrupts */
#if defined(_KERNEL) && !defined(_LOCORE)
#include <sys/evcount.h>
struct intrhand {
SLIST_ENTRY(intrhand) ih_link;
int (*ih_fn)(void *);
void *ih_arg;
int ih_ipl;
int ih_wantframe;
struct evcount ih_count;
};
int intr_establish(int, struct intrhand *, const char *);
int intr_findvec(int, int, int);
/*
* There are 256 possible VME interrupt vectors on a mvme88k platform
* (although some systems use VME vectors for onboard devices).
* Use either vmeintr_establish() or intr_establish() to register a handler
* for the given vector. Vector number is used to index into the
* intr_handlers[] table.
*/
#define NVMEINTR 256
typedef SLIST_HEAD(, intrhand) intrhand_t;
extern intrhand_t intr_handlers[NVMEINTR];
/*
* Currently registered VME interrupt vectors for a given IPL, if they
* are unique. Used to help the MVME181 and MVME188 interrupt handlers when
* they fail to complete the VME interrupt acknowledge cycle to get the
* interrupt vector number.
*/
extern u_int vmevec_hints[NIPLS];
/* Interrupt masks (MVME181, MVME188) */
extern u_int32_t int_mask_val[NIPLS];
/*
* Logical values for non-VME interrupt sources on boards with dedicated
* interrupt controllers (MVME181, MVME188). Not all sources may be available
* on a given board.
*/
#define INTSRC_ABORT 1 /* abort button */
#define INTSRC_ACFAIL 2 /* AC failure */
#define INTSRC_SYSFAIL 3 /* system failure */
#define INTSRC_PARERR 4 /* memory parity error */
#define INTSRC_CIO 5 /* Z8536 */
#define INTSRC_DTIMER 6 /* MC68692 timer interrupt */
#define INTSRC_DUART 7 /* MC68692 serial interrupt */
#define INTSRC_VME 8 /* up to seven VME interrupt levels */
#endif /* _KERNEL && !_LOCORE */
#include <m88k/intr.h>
#endif /* _MACHINE_INTR_H_ */
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