intr.h revision 1.2
1 1.2 garbled /* $NetBSD: intr.h,v 1.2 2007/10/17 19:56:40 garbled Exp $ */ 2 1.2 garbled 3 1.2 garbled /*- 4 1.2 garbled * Copyright (c) 2007 Michael Lorenz 5 1.2 garbled * All rights reserved. 6 1.2 garbled * 7 1.2 garbled * Redistribution and use in source and binary forms, with or without 8 1.2 garbled * modification, are permitted provided that the following conditions 9 1.2 garbled * are met: 10 1.2 garbled * 1. Redistributions of source code must retain the above copyright 11 1.2 garbled * notice, this list of conditions and the following disclaimer. 12 1.2 garbled * 2. Redistributions in binary form must reproduce the above copyright 13 1.2 garbled * notice, this list of conditions and the following disclaimer in the 14 1.2 garbled * documentation and/or other materials provided with the distribution. 15 1.2 garbled * 3. Neither the name of The NetBSD Foundation nor the names of its 16 1.2 garbled * contributors may be used to endorse or promote products derived 17 1.2 garbled * from this software without specific prior written permission. 18 1.2 garbled * 19 1.2 garbled * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.2 garbled * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.2 garbled * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.2 garbled * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.2 garbled * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.2 garbled * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.2 garbled * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.2 garbled * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.2 garbled * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.2 garbled * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.2 garbled * POSSIBILITY OF SUCH DAMAGE. 30 1.2 garbled */ 31 1.2 garbled 32 1.2 garbled #include <sys/cdefs.h> 33 1.2 garbled __KERNEL_RCSID(0, "$NetBSD: intr.h,v 1.2 2007/10/17 19:56:40 garbled Exp $"); 34 1.2 garbled 35 1.2 garbled #ifndef POWERPC_INTR_MACHDEP_H 36 1.2 garbled #define POWERPC_INTR_MACHDEP_H 37 1.2 garbled 38 1.2 garbled void *intr_establish(int, int, int, int (*)(void *), void *); 39 1.2 garbled void intr_disestablish(void *); 40 1.2 garbled const char *intr_typename(int); 41 1.2 garbled void genppc_cpu_configure(void); 42 1.2 garbled 43 1.2 garbled /* Interrupt priority `levels'. */ 44 1.2 garbled #define IPL_NONE 0 /* nothing */ 45 1.2 garbled #define IPL_SOFTCLOCK 1 /* timeouts */ 46 1.2 garbled #define IPL_SOFTNET 2 /* protocol stacks */ 47 1.2 garbled #define IPL_BIO 3 /* block I/O */ 48 1.2 garbled #define IPL_NET 4 /* network */ 49 1.2 garbled #define IPL_SOFTSERIAL 5 /* serial */ 50 1.2 garbled #define IPL_AUDIO 6 /* audio */ 51 1.2 garbled #define IPL_TTY 7 /* terminal */ 52 1.2 garbled #define IPL_LPT IPL_TTY 53 1.2 garbled #define IPL_VM 8 /* memory allocation */ 54 1.2 garbled #define IPL_CLOCK 9 55 1.2 garbled #define IPL_STATCLOCK 10 /* clock */ 56 1.2 garbled #define IPL_SCHED 11 57 1.2 garbled #define IPL_SERIAL 12 /* serial */ 58 1.2 garbled #define IPL_LOCK 13 59 1.2 garbled #define IPL_HIGH 14 /* everything */ 60 1.2 garbled #define NIPL 15 61 1.2 garbled 62 1.2 garbled /* Interrupt sharing types. */ 63 1.2 garbled #define IST_NONE 0 /* none */ 64 1.2 garbled #define IST_PULSE 1 /* pulsed */ 65 1.2 garbled #define IST_EDGE 2 /* edge-triggered */ 66 1.2 garbled #define IST_LEVEL 3 /* level-triggered */ 67 1.2 garbled 68 1.2 garbled #ifndef _LOCORE 69 1.2 garbled #include <powerpc/softintr.h> 70 1.2 garbled 71 1.2 garbled /* 72 1.2 garbled * Interrupt handler chains. intr_establish() inserts a handler into 73 1.2 garbled * the list. The handler is called with its (single) argument. 74 1.2 garbled */ 75 1.2 garbled struct intrhand { 76 1.2 garbled int (*ih_fun)(void *); 77 1.2 garbled void *ih_arg; 78 1.2 garbled struct intrhand *ih_next; 79 1.2 garbled int ih_level; 80 1.2 garbled int ih_irq; 81 1.2 garbled }; 82 1.2 garbled 83 1.2 garbled int splraise(int); 84 1.2 garbled int spllower(int); 85 1.2 garbled void splx(int); 86 1.2 garbled void softintr(int); 87 1.2 garbled 88 1.2 garbled extern int imask[]; 89 1.2 garbled 90 1.2 garbled /* Soft interrupt masks. */ 91 1.2 garbled #define SIR_CLOCK 28 92 1.2 garbled #define SIR_NET 29 93 1.2 garbled #define SIR_SERIAL 30 94 1.2 garbled #define SPL_CLOCK 31 95 1.2 garbled 96 1.2 garbled #define setsoftclock() softintr(SIR_CLOCK) 97 1.2 garbled #define setsoftnet() softintr(SIR_NET) 98 1.2 garbled #define setsoftserial() softintr(SIR_SERIAL) 99 1.2 garbled 100 1.2 garbled #define spl0() spllower(0) 101 1.2 garbled 102 1.2 garbled typedef int ipl_t; 103 1.2 garbled typedef struct { 104 1.2 garbled ipl_t _ipl; 105 1.2 garbled } ipl_cookie_t; 106 1.2 garbled 107 1.2 garbled static inline ipl_cookie_t 108 1.2 garbled makeiplcookie(ipl_t ipl) 109 1.2 garbled { 110 1.2 garbled 111 1.2 garbled return (ipl_cookie_t){._ipl = ipl}; 112 1.2 garbled } 113 1.2 garbled 114 1.2 garbled static inline int 115 1.2 garbled splraiseipl(ipl_cookie_t icookie) 116 1.2 garbled { 117 1.2 garbled 118 1.2 garbled return splraise(imask[icookie._ipl]); 119 1.2 garbled } 120 1.2 garbled 121 1.2 garbled #include <sys/spl.h> 122 1.2 garbled 123 1.2 garbled #endif /* _LOCORE */ 124 1.2 garbled 125 1.2 garbled #endif /* POWERPC_INTR_MACHDEP_H */ 126
Indexes created Fri Sep 26 08:10:20 GMT 2025