intr.h revision 1.3
1 1.3 ad /* $NetBSD: intr.h,v 1.3 2007/12/03 15:34:12 ad 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 1.3 ad __KERNEL_RCSID(0, "$NetBSD: intr.h,v 1.3 2007/12/03 15:34:12 ad 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 1.3 ad #define IPL_SOFTBIO 2 /* block I/O */ 47 1.3 ad #define IPL_SOFTNET 3 /* protocol stacks */ 48 1.3 ad #define IPL_SOFTSERIAL 4 /* serial */ 49 1.3 ad #define IPL_VM 5 /* memory allocation */ 50 1.3 ad #define IPL_SCHED 6 51 1.3 ad #define IPL_HIGH 7 /* everything */ 52 1.3 ad #define NIPL 8 53 1.2 garbled 54 1.2 garbled /* Interrupt sharing types. */ 55 1.2 garbled #define IST_NONE 0 /* none */ 56 1.2 garbled #define IST_PULSE 1 /* pulsed */ 57 1.2 garbled #define IST_EDGE 2 /* edge-triggered */ 58 1.2 garbled #define IST_LEVEL 3 /* level-triggered */ 59 1.2 garbled 60 1.2 garbled #ifndef _LOCORE 61 1.2 garbled /* 62 1.2 garbled * Interrupt handler chains. intr_establish() inserts a handler into 63 1.2 garbled * the list. The handler is called with its (single) argument. 64 1.2 garbled */ 65 1.2 garbled struct intrhand { 66 1.2 garbled int (*ih_fun)(void *); 67 1.2 garbled void *ih_arg; 68 1.2 garbled struct intrhand *ih_next; 69 1.2 garbled int ih_level; 70 1.2 garbled int ih_irq; 71 1.2 garbled }; 72 1.2 garbled 73 1.2 garbled int splraise(int); 74 1.2 garbled int spllower(int); 75 1.2 garbled void splx(int); 76 1.2 garbled void softintr(int); 77 1.2 garbled 78 1.2 garbled extern int imask[]; 79 1.2 garbled 80 1.2 garbled /* Soft interrupt masks. */ 81 1.3 ad #define SIR_CLOCK 27 82 1.3 ad #define SIR_BIO 28 83 1.2 garbled #define SIR_NET 29 84 1.2 garbled #define SIR_SERIAL 30 85 1.2 garbled #define SPL_CLOCK 31 86 1.2 garbled 87 1.2 garbled #define setsoftclock() softintr(SIR_CLOCK) 88 1.3 ad #define setsoftbio() softintr(SIR_BIO) 89 1.2 garbled #define setsoftnet() softintr(SIR_NET) 90 1.2 garbled #define setsoftserial() softintr(SIR_SERIAL) 91 1.2 garbled 92 1.2 garbled #define spl0() spllower(0) 93 1.2 garbled 94 1.2 garbled typedef int ipl_t; 95 1.2 garbled typedef struct { 96 1.2 garbled ipl_t _ipl; 97 1.2 garbled } ipl_cookie_t; 98 1.2 garbled 99 1.2 garbled static inline ipl_cookie_t 100 1.2 garbled makeiplcookie(ipl_t ipl) 101 1.2 garbled { 102 1.2 garbled 103 1.2 garbled return (ipl_cookie_t){._ipl = ipl}; 104 1.2 garbled } 105 1.2 garbled 106 1.2 garbled static inline int 107 1.2 garbled splraiseipl(ipl_cookie_t icookie) 108 1.2 garbled { 109 1.2 garbled 110 1.2 garbled return splraise(imask[icookie._ipl]); 111 1.2 garbled } 112 1.2 garbled 113 1.2 garbled #include <sys/spl.h> 114 1.2 garbled 115 1.2 garbled #endif /* _LOCORE */ 116 1.2 garbled 117 1.2 garbled #endif /* POWERPC_INTR_MACHDEP_H */ 118
Indexes created Fri Sep 26 20:09:58 GMT 2025