avintr.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_AVINTR_H
#define _SYS_AVINTR_H
#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4 */
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/dditypes.h>
/*
* Period of autovector structures (add this in to get the next level).
*/
#define MAXIPL 16
/*
* These are only used by sun4m and later OBP versions
*/
#define INTLEVEL_ONBOARD 0x20
#define INTLEVEL_SBUS 0x30
/*
* maximum number of autovectored interrupts at a given priority
* XXX: This is temporary until we come up with dynamic additions..
*/
#define AV_INT_SPURIOUS -1
#ifdef __STDC__
#else
#endif /* __STDC__ */
struct autovec {
/*
* Interrupt handler and argument to pass to it.
*/
/*
* Device that requested the interrupt, used as an id in case
* we have to remove it later.
*/
/*
*
* If this flag is true, then this is a 'fast' interrupt reservation.
* Fast interrupts go directly out of the
* trap table for speed and do not go through the normal autovector
* interrupt setup code. There can be only one 'fast' interrupt
* per autovector level.
*/
};
#ifdef _KERNEL
extern const uint_t maxautovec;
extern struct autovec * const vectorlist[];
extern int not_serviced(int *, int, char *);
extern void wait_till_seen(int);
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_AVINTR_H */