freebsd-dev/sys/alpha/include/intr.h

/*-
 * Copyright (c) 1998 Doug Rabson
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
 *
 *	$Id: intr.h,v 1.2 1998/07/12 16:09:30 dfr Exp $
 */

#ifndef _MACHINE_INTR_H_
#define _MACHINE_INTR_H_

LIST_HEAD(alpha_intr_list, alpha_intr);

struct alpha_intr {
    LIST_ENTRY(alpha_intr) list; /* chain handlers in this hash bucket */
    int			vector;	/* vector to match */
    driver_intr_t	*intr;	/* handler function */
    void		*arg;	/* argument to handler */
};

struct alpha_intr *alpha_create_intr(int vector,
				     driver_intr_t *intr, void *arg);
int alpha_connect_intr(struct alpha_intr *i);
void alpha_dispatch_intr(void *frame, unsigned long vector);

#endif /* !_MACHINE_INTR_H_ */