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/*
* 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
* or http://www.opensolaris.org/os/licensing.
* 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_IVINTR_H
#define _SYS_IVINTR_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
typedef uint_t (*intrfunc)(caddr_t);
typedef uint_t (*softintrfunc)(caddr_t, caddr_t);
/*
* Interrupt Vector Table Entry
*
* The interrupt vector table is dynamically allocated during
* startup. An interrupt number is an index to the interrupt
* vector table representing unique interrupt source to the system.
*/
struct intr_vector {
intrfunc iv_handler; /* interrupt handler */
caddr_t iv_arg; /* interrupt argument */
ushort_t iv_pil; /* interrupt request level */
ushort_t iv_pending; /* pending softint flag */
caddr_t iv_payload_buf; /* pointer to 64-byte mondo payload */
caddr_t iv_softint_arg2; /* softint argument #2 */
void *iv_pad[3]; /* makes structure power-of-2 size */
};
extern struct intr_vector intr_vector[];
extern uint_t nohandler(caddr_t);
extern void init_ivintr(void);
extern int add_ivintr(uint_t, uint_t, intrfunc, caddr_t, caddr_t);
extern void rem_ivintr(uint_t, struct intr_vector *);
#define GET_IVINTR(inum) (intr_vector[inum].iv_handler != nohandler)
extern uint_t add_softintr(uint_t, softintrfunc, caddr_t);
extern void rem_softintr(uint_t);
extern int update_softint_arg2(uint_t, caddr_t);
extern int update_softint_pri(uint_t, int);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_IVINTR_H */
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