intr.h revision 1.17.20.1
1 /* $NetBSD: intr.h,v 1.17.20.1 2007/01/12 01:00:55 ad 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 #define IPL_SOFT 1 /* generic software interrupts (SI 0) */ 44 #define IPL_SOFTCLOCK 2 /* clock software interrupts (SI 0) */ 45 #define IPL_SOFTNET 3 /* network software interrupts (SI 1) */ 46 #define IPL_SOFTSERIAL 4 /* serial software interrupts (SI 1) */ 47 #define IPL_BIO 5 /* disable block I/O interrupts */ 48 #define IPL_NET 6 /* disable network interrupts */ 49 #define IPL_TTY 7 /* disable terminal interrupts */ 50 #define IPL_LPT IPL_TTY 51 #define IPL_VM IPL_TTY 52 #define IPL_SERIAL 7 /* disable serial hardware interrupts */ 53 #define IPL_CLOCK 8 /* disable clock interrupts */ 54 #define IPL_STATCLOCK IPL_CLOCK 55 #define IPL_SCHED IPL_CLOCK 56 #define IPL_HIGH 8 /* disable all interrupts */ 57 #define IPL_LOCK IPL_HIGH 58 59 #define _IPL_N 9 60 61 #define _IPL_SI0_FIRST IPL_SOFT 62 #define _IPL_SI0_LAST IPL_SOFTCLOCK 63 64 #define _IPL_SI1_FIRST IPL_SOFTNET 65 #define _IPL_SI1_LAST IPL_SOFTSERIAL 66 67 #define SI_SOFT 0 68 #define SI_SOFTCLOCK 1 69 #define SI_SOFTNET 2 70 #define SI_SOFTSERIAL 3 71 72 #define SI_NQUEUES 4 73 74 #define SI_QUEUENAMES { \ 75 "misc", \ 76 "clock", \ 77 "net", \ 78 "serial", \ 79 } 80 81 #ifdef _KERNEL 82 #ifndef _LOCORE 83 84 #include <sys/device.h> 85 86 extern const uint32_t ipl_sr_bits[_IPL_N]; 87 88 extern int _splraise(int); 89 extern int _spllower(int); 90 extern int _splset(int); 91 extern int _splget(void); 92 extern void _splnone(void); 93 extern void _setsoftintr(int); 94 extern void _clrsoftintr(int); 95 96 #define spl0() (void)_spllower(0) 97 #define splx(s) (void)_splset(s) 98 99 #define splsoft() _splraise(ipl_sr_bits[IPL_SOFT]) 100 101 #define spllowersoftclock() _spllower(ipl_sr_bits[IPL_SOFTCLOCK]) 102 103 typedef int ipl_t; 104 typedef struct { 105 ipl_t _sr; 106 } ipl_cookie_t; 107 108 static inline ipl_cookie_t 109 makeiplcookie(ipl_t ipl) 110 { 111 112 return (ipl_cookie_t){._sr = ipl_sr_bits[ipl]}; 113 } 114 115 static inline int 116 splraiseipl(ipl_cookie_t icookie) 117 { 118 119 return _splraise(icookie._sr); 120 } 121 122 #include <sys/spl.h> 123 124 struct newsmips_intrhand { 125 LIST_ENTRY(newsmips_intrhand) ih_q; 126 struct evcnt intr_count; 127 int (*ih_func)(void *); 128 void *ih_arg; 129 u_int ih_level; 130 u_int ih_mask; 131 u_int ih_priority; 132 }; 133 134 struct newsmips_intr { 135 LIST_HEAD(,newsmips_intrhand) intr_q; 136 }; 137 138 #include <mips/softintr.h> 139 140 /* 141 * Index into intrcnt[], which is defined in locore 142 */ 143 #define SERIAL0_INTR 0 144 #define SERIAL1_INTR 1 145 #define SERIAL2_INTR 2 146 #define LANCE_INTR 3 147 #define SCSI_INTR 4 148 #define ERROR_INTR 5 149 #define HARDCLOCK_INTR 6 150 #define FPU_INTR 7 151 #define SLOT1_INTR 8 152 #define SLOT2_INTR 9 153 #define SLOT3_INTR 10 154 #define FLOPPY_INTR 11 155 #define STRAY_INTR 12 156 157 extern u_int intrcnt[]; 158 159 /* handle i/o device interrupts */ 160 #ifdef news3400 161 void news3400_intr(uint32_t, uint32_t, uint32_t, uint32_t); 162 #endif 163 #ifdef news5000 164 void news5000_intr(uint32_t, uint32_t, uint32_t, uint32_t); 165 #endif 166 extern void (*hardware_intr)(uint32_t, uint32_t, uint32_t, uint32_t); 167 168 extern void (*enable_intr)(void); 169 extern void (*disable_intr)(void); 170 extern void (*enable_timer)(void); 171 172 #endif /* !_LOCORE */ 173 #endif /* _KERNEL */ 174 #endif /* _MACHINE_INTR_H_ */ 175
Indexes created Sun Oct 26 13:09:57 GMT 2025