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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_AVINTR_H 27 #define _SYS_AVINTR_H 28 29 30 #include <sys/mutex.h> 31 #include <sys/dditypes.h> 32 #include <sys/ddi_intr.h> 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 /* 39 * Period of autovector structures (add this in to get the next level). 40 */ 41 #define MAXIPL 16 42 #define INT_IPL(x) (x) 43 #define AV_INT_SPURIOUS -1 44 45 #ifdef __STDC__ 46 typedef uint_t (*avfunc)(caddr_t, caddr_t); 47 #else 48 typedef uint_t (*avfunc)(); 49 #endif /* __STDC__ */ 50 51 struct autovec { 52 53 /* 54 * Interrupt handler and argument to pass to it. 55 */ 56 57 struct autovec *av_link; /* pointer to next on in chain */ 58 uint_t (*av_vector)(); 59 caddr_t av_intarg1; 60 caddr_t av_intarg2; 61 uint64_t *av_ticksp; 62 uint_t av_prilevel; /* priority level */ 63 64 /* 65 * Interrupt handle/id (like intrspec structure pointer) used to 66 * identify a specific instance of interrupt handler in case we 67 * have to remove the interrupt handler later. 68 * 69 */ 70 void *av_intr_id; 71 dev_info_t *av_dip; 72 }; 73 74 struct av_head { 75 struct autovec *avh_link; 76 ushort_t avh_hi_pri; 77 ushort_t avh_lo_pri; 78 }; 79 80 /* softing contains a bit field of software interrupts which are pending */ 81 struct softint { 82 int st_pending; 83 }; 84 85 #ifdef _KERNEL 86 87 extern kmutex_t av_lock; 88 extern ddi_softint_hdl_impl_t softlevel_hdl[]; 89 extern ddi_softint_hdl_impl_t softlevel1_hdl; 90 extern int add_avintr(void *intr_id, int lvl, avfunc xxintr, char *name, 91 int vect, caddr_t arg1, caddr_t arg2, uint64_t *, dev_info_t *); 92 extern int add_nmintr(int lvl, avfunc nmintr, char *name, caddr_t arg); 93 extern int add_avsoftintr(void *intr_id, int lvl, avfunc xxintr, 94 char *name, caddr_t arg1, caddr_t arg2); 95 extern int rem_avsoftintr(void *intr_id, int lvl, avfunc xxintr); 96 extern int av_softint_movepri(void *intr_id, int old_lvl); 97 extern void update_avsoftintr_args(void *intr_id, int lvl, caddr_t arg2); 98 extern void rem_avintr(void *intr_id, int lvl, avfunc xxintr, int vect); 99 extern uint_t softlevel1(caddr_t, caddr_t); 100 101 #endif /* _KERNEL */ 102 103 #ifdef __cplusplus 104 } 105 #endif 106 107 #endif /* _SYS_AVINTR_H */ 108