intr.h revision 1.1.2.2
1 1.1.2.2 skrll /* $NetBSD: intr.h,v 1.1.2.2 2004/10/19 15:56:37 skrll Exp $ */ 2 1.1.2.2 skrll 3 1.1.2.2 skrll /* 4 1.1.2.2 skrll * Copyright (c) 2001, 2003 Wasabi Systems, Inc. 5 1.1.2.2 skrll * All rights reserved. 6 1.1.2.2 skrll * 7 1.1.2.2 skrll * Written by Jason R. Thorpe for Wasabi Systems, Inc. 8 1.1.2.2 skrll * 9 1.1.2.2 skrll * Redistribution and use in source and binary forms, with or without 10 1.1.2.2 skrll * modification, are permitted provided that the following conditions 11 1.1.2.2 skrll * are met: 12 1.1.2.2 skrll * 1. Redistributions of source code must retain the above copyright 13 1.1.2.2 skrll * notice, this list of conditions and the following disclaimer. 14 1.1.2.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 15 1.1.2.2 skrll * notice, this list of conditions and the following disclaimer in the 16 1.1.2.2 skrll * documentation and/or other materials provided with the distribution. 17 1.1.2.2 skrll * 3. All advertising materials mentioning features or use of this software 18 1.1.2.2 skrll * must display the following acknowledgement: 19 1.1.2.2 skrll * This product includes software developed for the NetBSD Project by 20 1.1.2.2 skrll * Wasabi Systems, Inc. 21 1.1.2.2 skrll * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 1.1.2.2 skrll * or promote products derived from this software without specific prior 23 1.1.2.2 skrll * written permission. 24 1.1.2.2 skrll * 25 1.1.2.2 skrll * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 1.1.2.2 skrll * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 1.1.2.2 skrll * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 1.1.2.2 skrll * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 1.1.2.2 skrll * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 1.1.2.2 skrll * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 1.1.2.2 skrll * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 1.1.2.2 skrll * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 1.1.2.2 skrll * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 1.1.2.2 skrll * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 1.1.2.2 skrll * POSSIBILITY OF SUCH DAMAGE. 36 1.1.2.2 skrll */ 37 1.1.2.2 skrll 38 1.1.2.2 skrll #ifndef _IYONIX_INTR_H_ 39 1.1.2.2 skrll #define _IYONIX_INTR_H_ 40 1.1.2.2 skrll 41 1.1.2.2 skrll #ifdef _KERNEL 42 1.1.2.2 skrll 43 1.1.2.2 skrll /* Interrupt priority "levels". */ 44 1.1.2.2 skrll #define IPL_NONE 0 /* nothing */ 45 1.1.2.2 skrll #define IPL_SOFT 1 /* generic software interrupts */ 46 1.1.2.2 skrll #define IPL_SOFTCLOCK 2 /* software clock interrupt */ 47 1.1.2.2 skrll #define IPL_SOFTNET 3 /* software network interrupt */ 48 1.1.2.2 skrll #define IPL_BIO 4 /* block I/O */ 49 1.1.2.2 skrll #define IPL_NET 5 /* network */ 50 1.1.2.2 skrll #define IPL_SOFTSERIAL 6 /* software serial interrupt */ 51 1.1.2.2 skrll #define IPL_TTY 7 /* terminals */ 52 1.1.2.2 skrll #define IPL_VM 8 /* memory allocation */ 53 1.1.2.2 skrll #define IPL_AUDIO 9 /* audio device */ 54 1.1.2.2 skrll #define IPL_CLOCK 10 /* clock interrupt */ 55 1.1.2.2 skrll #define IPL_STATCLOCK 11 /* statistics clock interrupt */ 56 1.1.2.2 skrll #define IPL_HIGH 12 /* everything */ 57 1.1.2.2 skrll #define IPL_SERIAL 13 /* serial device */ 58 1.1.2.2 skrll 59 1.1.2.2 skrll #define NIPL 14 60 1.1.2.2 skrll 61 1.1.2.2 skrll /* Interrupt sharing types. */ 62 1.1.2.2 skrll #define IST_NONE 0 /* none */ 63 1.1.2.2 skrll #define IST_PULSE 1 /* pulsed */ 64 1.1.2.2 skrll #define IST_EDGE 2 /* edge-triggered */ 65 1.1.2.2 skrll #define IST_LEVEL 3 /* level-triggered */ 66 1.1.2.2 skrll 67 1.1.2.2 skrll #define IST_LEVEL_LOW IST_LEVEL 68 1.1.2.2 skrll #define IST_LEVEL_HIGH 4 69 1.1.2.2 skrll #define IST_EDGE_FALLING IST_EDGE 70 1.1.2.2 skrll #define IST_EDGE_RISING 5 71 1.1.2.2 skrll #define IST_EDGE_BOTH 6 72 1.1.2.2 skrll 73 1.1.2.2 skrll #define __NEWINTR /* enables new hooks in cpu_fork()/cpu_switch() */ 74 1.1.2.2 skrll 75 1.1.2.2 skrll #ifndef _LOCORE 76 1.1.2.2 skrll 77 1.1.2.2 skrll #include <sys/device.h> 78 1.1.2.2 skrll #include <sys/queue.h> 79 1.1.2.2 skrll 80 1.1.2.2 skrll #if defined(_LKM) 81 1.1.2.2 skrll 82 1.1.2.2 skrll int _splraise(int); 83 1.1.2.2 skrll int _spllower(int); 84 1.1.2.2 skrll void splx(int); 85 1.1.2.2 skrll void _setsoftintr(int); 86 1.1.2.2 skrll 87 1.1.2.2 skrll #else /* _LKM */ 88 1.1.2.2 skrll 89 1.1.2.2 skrll #include "opt_arm_intr_impl.h" 90 1.1.2.2 skrll 91 1.1.2.2 skrll #if defined(ARM_INTR_IMPL) 92 1.1.2.2 skrll 93 1.1.2.2 skrll /* 94 1.1.2.2 skrll * Each board needs to define the following functions: 95 1.1.2.2 skrll * 96 1.1.2.2 skrll * int _splraise(int); 97 1.1.2.2 skrll * int _spllower(int); 98 1.1.2.2 skrll * void splx(int); 99 1.1.2.2 skrll * void _setsoftintr(int); 100 1.1.2.2 skrll * 101 1.1.2.2 skrll * These may be defined as functions, static __inline functions, or macros, 102 1.1.2.2 skrll * but there must be a _spllower() and splx() defined as functions callable 103 1.1.2.2 skrll * from assembly language (for cpu_switch()). However, since it's quite 104 1.1.2.2 skrll * useful to be able to inline splx(), you could do something like the 105 1.1.2.2 skrll * following: 106 1.1.2.2 skrll * 107 1.1.2.2 skrll * in <boardtype>_intr.h: 108 1.1.2.2 skrll * static __inline int 109 1.1.2.2 skrll * boardtype_splx(int spl) 110 1.1.2.2 skrll * {...} 111 1.1.2.2 skrll * 112 1.1.2.2 skrll * #define splx(nspl) boardtype_splx(nspl) 113 1.1.2.2 skrll * ... 114 1.1.2.2 skrll * and in boardtype's machdep code: 115 1.1.2.2 skrll * 116 1.1.2.2 skrll * ... 117 1.1.2.2 skrll * #undef splx 118 1.1.2.2 skrll * int 119 1.1.2.2 skrll * splx(int spl) 120 1.1.2.2 skrll * { 121 1.1.2.2 skrll * return boardtype_splx(spl); 122 1.1.2.2 skrll * } 123 1.1.2.2 skrll */ 124 1.1.2.2 skrll 125 1.1.2.2 skrll #include ARM_INTR_IMPL 126 1.1.2.2 skrll 127 1.1.2.2 skrll #else /* ARM_INTR_IMPL */ 128 1.1.2.2 skrll 129 1.1.2.2 skrll #error ARM_INTR_IMPL not defined. 130 1.1.2.2 skrll 131 1.1.2.2 skrll #endif /* ARM_INTR_IMPL */ 132 1.1.2.2 skrll 133 1.1.2.2 skrll #endif /* _LKM */ 134 1.1.2.2 skrll 135 1.1.2.2 skrll #define splhigh() _splraise(IPL_HIGH) 136 1.1.2.2 skrll #define splsoft() _splraise(IPL_SOFT) 137 1.1.2.2 skrll #define splsoftclock() _splraise(IPL_SOFTCLOCK) 138 1.1.2.2 skrll #define splsoftnet() _splraise(IPL_SOFTNET) 139 1.1.2.2 skrll #define splbio() _splraise(IPL_BIO) 140 1.1.2.2 skrll #define splnet() _splraise(IPL_NET) 141 1.1.2.2 skrll #define spltty() _splraise(IPL_TTY) 142 1.1.2.2 skrll #define splvm() _splraise(IPL_VM) 143 1.1.2.2 skrll #define splaudio() _splraise(IPL_AUDIO) 144 1.1.2.2 skrll #define splclock() _splraise(IPL_CLOCK) 145 1.1.2.2 skrll #define splstatclock() _splraise(IPL_STATCLOCK) 146 1.1.2.2 skrll #define splserial() _splraise(IPL_SERIAL) 147 1.1.2.2 skrll 148 1.1.2.2 skrll #define spl0() _spllower(IPL_NONE) 149 1.1.2.2 skrll #define spllowersoftclock() _spllower(IPL_SOFTCLOCK) 150 1.1.2.2 skrll 151 1.1.2.2 skrll #define splsched() splhigh() 152 1.1.2.2 skrll #define spllock() splhigh() 153 1.1.2.2 skrll 154 1.1.2.2 skrll /* Use generic software interrupt support. */ 155 1.1.2.2 skrll #include <arm/softintr.h> 156 1.1.2.2 skrll 157 1.1.2.2 skrll #endif /* ! _LOCORE */ 158 1.1.2.2 skrll 159 1.1.2.2 skrll #endif /* _KERNEL */ 160 1.1.2.2 skrll 161 1.1.2.2 skrll #endif /* _IYONIX_INTR_H_ */ 162
Indexes created Mon Oct 27 20:09:55 GMT 2025