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/*
* Copyright (c) 1997, Stefan Esser <se@freebsd.org>
* 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 unmodified, 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.
*
* 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.
*
* $Id: interrupt.h,v 1.7 1998/08/11 15:08:13 bde Exp $
*/
/* XXX currently dev_instance must be set to the ISA device_id or -1 for PCI */
#define INTR_FAST 0x00000001 /* fast interrupt handler */
#define INTR_EXCL 0x00010000 /* excl. intr, default is shared */
typedef void swihand_t __P((void));
struct intrec *intr_create(void *dev_instance, int irq, inthand2_t handler,
void *arg, intrmask_t *maskptr, int flags);
int intr_destroy(struct intrec *idesc);
int intr_connect(struct intrec *idesc);
int intr_disconnect(struct intrec *idesc);
void register_swi __P((int intr, swihand_t *handler));
void swi_dispatcher __P((int intr));
swihand_t swi_generic;
swihand_t swi_null;
void unregister_swi __P((int intr, swihand_t *handler));
/* XXX emulate old interface for now ... */
int register_intr __P((int intr, int device_id, u_int flags,
inthand2_t *handler, u_int *maskptr, int unit));
int unregister_intr(int intr, inthand2_t handler);
#ifdef NHWI
/* XXX type change in middle; MI code uses only the top NSWI entries. */
extern swihand_t *ihandlers[NHWI + NSWI];
#endif