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_AVINTR_H 28 #define _SYS_AVINTR_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4 */ 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #include <sys/dditypes.h> 37 38 /* 39 * Period of autovector structures (add this in to get the next level). 40 */ 41 #define MAXIPL 16 42 43 /* 44 * These are only used by sun4m and later OBP versions 45 */ 46 #define INTLEVEL_ONBOARD 0x20 47 #define INTLEVEL_SBUS 0x30 48 49 #define INT_LEVEL(lvl) ((lvl) & ~(MAXIPL-1)) 50 #define INT_IPL(lvl) ((lvl) & (MAXIPL-1)) 51 52 /* 53 * maximum number of autovectored interrupts at a given priority 54 * XXX: This is temporary until we come up with dynamic additions.. 55 */ 56 57 #define NVECT 17 /* 16 shared per level, +1 to end the list */ 58 #define AV_INT_SPURIOUS -1 59 60 #ifdef __STDC__ 61 typedef uint_t (*avfunc)(caddr_t, caddr_t); 62 #else 63 typedef uint_t (*avfunc)(); 64 #endif /* __STDC__ */ 65 66 67 struct autovec { 68 69 /* 70 * Interrupt handler and argument to pass to it. 71 */ 72 73 avfunc av_vector; 74 caddr_t av_intarg; 75 76 /* 77 * Device that requested the interrupt, used as an id in case 78 * we have to remove it later. 79 */ 80 dev_info_t *av_devi; 81 82 /* 83 * 84 * If this flag is true, then this is a 'fast' interrupt reservation. 85 * Fast interrupts go directly out of the 86 * trap table for speed and do not go through the normal autovector 87 * interrupt setup code. There can be only one 'fast' interrupt 88 * per autovector level. 89 */ 90 uint_t av_fast; 91 }; 92 93 #ifdef _KERNEL 94 95 extern const uint_t maxautovec; 96 extern struct autovec * const vectorlist[]; 97 98 extern int add_avintr(dev_info_t *, int, avfunc, caddr_t); 99 extern void rem_avintr(dev_info_t *, int, avfunc); 100 extern int settrap(dev_info_t *, int, avfunc); 101 extern int not_serviced(int *, int, char *); 102 103 extern void wait_till_seen(int); 104 105 extern kmutex_t av_lock; 106 107 #endif /* _KERNEL */ 108 109 #ifdef __cplusplus 110 } 111 #endif 112 113 #endif /* _SYS_AVINTR_H */ 114