intr.h revision 1.13.2.1
1 /* $NetBSD: intr.h,v 1.13.2.1 2004/08/03 10:38:29 skrll Exp $ */ 2 3 /*- 4 * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _MACHINE_INTR_H_ 40 #define _MACHINE_INTR_H_ 41 42 #define IPL_NONE 0 /* disable only this interrupt */ 43 44 #define IPL_SOFT 1 /* generic software interrupts (SI 0) */ 45 #define IPL_SOFTCLOCK 2 /* clock software interrupts (SI 0) */ 46 #define IPL_SOFTNET 3 /* network software interrupts (SI 1) */ 47 #define IPL_SOFTSERIAL 4 /* serial software interrupts (SI 1) */ 48 49 #define IPL_BIO 5 /* disable block I/O interrupts */ 50 #define IPL_NET 6 /* disable network interrupts */ 51 #define IPL_TTY 7 /* disable terminal interrupts */ 52 #define IPL_SERIAL 7 /* disable serial hardware interrupts */ 53 #define IPL_CLOCK 8 /* disable clock interrupts */ 54 #define IPL_STATCLOCK 8 /* disable profiling interrupts */ 55 #define IPL_HIGH 8 /* disable all interrupts */ 56 57 #define _IPL_NSOFT 4 58 #define _IPL_N 9 59 60 #define _IPL_SI0_FIRST IPL_SOFT 61 #define _IPL_SI0_LAST IPL_SOFTCLOCK 62 63 #define _IPL_SI1_FIRST IPL_SOFTNET 64 #define _IPL_SI1_LAST IPL_SOFTSERIAL 65 66 #define IPL_SOFTNAMES { \ 67 "misc", \ 68 "clock", \ 69 "net", \ 70 "serial", \ 71 } 72 73 #ifdef _KERNEL 74 #ifndef _LOCORE 75 76 #include <sys/device.h> 77 78 extern const u_int32_t ipl_sr_bits[_IPL_N]; 79 80 extern int _splraise __P((int)); 81 extern int _spllower __P((int)); 82 extern int _splset __P((int)); 83 extern int _splget __P((void)); 84 extern void _splnone __P((void)); 85 extern void _setsoftintr __P((int)); 86 extern void _clrsoftintr __P((int)); 87 88 #define splhigh() _splraise(ipl_sr_bits[IPL_HIGH]) 89 #define spl0() (void)_spllower(0) 90 #define splx(s) (void)_splset(s) 91 #define splbio() _splraise(ipl_sr_bits[IPL_BIO]) 92 #define splnet() _splraise(ipl_sr_bits[IPL_NET]) 93 #define spltty() _splraise(ipl_sr_bits[IPL_TTY]) 94 #define splserial() _splraise(ipl_sr_bits[IPL_SERIAL]) 95 #define splvm() spltty() 96 #define splclock() _splraise(ipl_sr_bits[IPL_CLOCK]) 97 #define splstatclock() splclock() 98 99 #define splsched() splclock() 100 #define spllock() splhigh() 101 102 #define splsoft() _splraise(ipl_sr_bits[IPL_SOFT]) 103 #define splsoftclock() _splraise(ipl_sr_bits[IPL_SOFTCLOCK]) 104 #define splsoftnet() _splraise(ipl_sr_bits[IPL_SOFTNET]) 105 #define splsoftserial() _splraise(ipl_sr_bits[IPL_SOFTSERIAL]) 106 107 #define spllowersoftclock() _spllower(ipl_sr_bits[IPL_SOFTCLOCK]) 108 109 struct newsmips_intrhand { 110 LIST_ENTRY(newsmips_intrhand) ih_q; 111 struct evcnt intr_count; 112 int (*ih_func)(void *); 113 void *ih_arg; 114 u_int ih_level; 115 u_int ih_mask; 116 u_int ih_priority; 117 }; 118 119 struct newsmips_intr { 120 LIST_HEAD(,newsmips_intrhand) intr_q; 121 }; 122 123 #include <mips/softintr.h> 124 125 /* 126 * Index into intrcnt[], which is defined in locore 127 */ 128 #define SERIAL0_INTR 0 129 #define SERIAL1_INTR 1 130 #define SERIAL2_INTR 2 131 #define LANCE_INTR 3 132 #define SCSI_INTR 4 133 #define ERROR_INTR 5 134 #define HARDCLOCK_INTR 6 135 #define FPU_INTR 7 136 #define SLOT1_INTR 8 137 #define SLOT2_INTR 9 138 #define SLOT3_INTR 10 139 #define FLOPPY_INTR 11 140 #define STRAY_INTR 12 141 142 extern u_int intrcnt[]; 143 144 /* handle i/o device interrupts */ 145 #ifdef news3400 146 void news3400_intr __P((u_int, u_int, u_int, u_int)); 147 #endif 148 #ifdef news5000 149 void news5000_intr __P((u_int, u_int, u_int, u_int)); 150 #endif 151 extern void (*hardware_intr) __P((u_int, u_int, u_int, u_int)); 152 153 extern void (*enable_intr) __P((void)); 154 extern void (*disable_intr) __P((void)); 155 extern void (*enable_timer) __P((void)); 156 157 #endif /* !_LOCORE */ 158 #endif /* _KERNEL */ 159 #endif /* _MACHINE_INTR_H_ */ 160
Indexes created Sat Oct 25 16:10:12 GMT 2025