1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_IVINTR_H 28 #define _SYS_IVINTR_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 typedef uint_t (*intrfunc)(caddr_t); 37 typedef uint_t (*softintrfunc)(caddr_t, caddr_t); 38 39 /* 40 * Interrupt Vector Table Entry 41 * 42 * The interrupt vector table is dynamically allocated during 43 * startup. An interrupt number is an index to the interrupt 44 * vector table representing unique interrupt source to the system. 45 */ 46 struct intr_vector { 47 intrfunc iv_handler; /* interrupt handler */ 48 caddr_t iv_arg; /* interrupt argument */ 49 ushort_t iv_pil; /* interrupt request level */ 50 ushort_t iv_pending; /* pending softint flag */ 51 caddr_t iv_payload_buf; /* pointer to 64-byte mondo payload */ 52 caddr_t iv_softint_arg2; /* softint argument #2 */ 53 void *iv_pad[3]; /* makes structure power-of-2 size */ 54 }; 55 56 extern struct intr_vector intr_vector[]; 57 58 extern uint_t nohandler(caddr_t); 59 extern void init_ivintr(void); 60 extern int add_ivintr(uint_t, uint_t, intrfunc, caddr_t, caddr_t); 61 extern void rem_ivintr(uint_t, struct intr_vector *); 62 #define GET_IVINTR(inum) (intr_vector[inum].iv_handler != nohandler) 63 64 extern uint_t add_softintr(uint_t, softintrfunc, caddr_t); 65 extern void rem_softintr(uint_t); 66 extern int update_softint_arg2(uint_t, caddr_t); 67 extern int update_softint_pri(uint_t, int); 68 69 #ifdef __cplusplus 70 } 71 #endif 72 73 #endif /* _SYS_IVINTR_H */ 74