intr.h revision 1.2.2.3
1 1.2.2.3 ad /* $NetBSD: intr.h,v 1.2.2.3 2007/12/03 18:38:21 ad Exp $ */ 2 1.2.2.2 ad 3 1.2.2.2 ad /*- 4 1.2.2.2 ad * Copyright (c) 2007 Michael Lorenz 5 1.2.2.2 ad * All rights reserved. 6 1.2.2.2 ad * 7 1.2.2.2 ad * Redistribution and use in source and binary forms, with or without 8 1.2.2.2 ad * modification, are permitted provided that the following conditions 9 1.2.2.2 ad * are met: 10 1.2.2.2 ad * 1. Redistributions of source code must retain the above copyright 11 1.2.2.2 ad * notice, this list of conditions and the following disclaimer. 12 1.2.2.2 ad * 2. Redistributions in binary form must reproduce the above copyright 13 1.2.2.2 ad * notice, this list of conditions and the following disclaimer in the 14 1.2.2.2 ad * documentation and/or other materials provided with the distribution. 15 1.2.2.2 ad * 3. Neither the name of The NetBSD Foundation nor the names of its 16 1.2.2.2 ad * contributors may be used to endorse or promote products derived 17 1.2.2.2 ad * from this software without specific prior written permission. 18 1.2.2.2 ad * 19 1.2.2.2 ad * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.2.2.2 ad * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.2.2.2 ad * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.2.2.2 ad * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.2.2.2 ad * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.2.2.2 ad * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.2.2.2 ad * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.2.2.2 ad * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.2.2.2 ad * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.2.2.2 ad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.2.2.2 ad * POSSIBILITY OF SUCH DAMAGE. 30 1.2.2.2 ad */ 31 1.2.2.2 ad 32 1.2.2.2 ad #include <sys/cdefs.h> 33 1.2.2.3 ad __KERNEL_RCSID(0, "$NetBSD: intr.h,v 1.2.2.3 2007/12/03 18:38:21 ad Exp $"); 34 1.2.2.2 ad 35 1.2.2.2 ad #ifndef POWERPC_INTR_MACHDEP_H 36 1.2.2.2 ad #define POWERPC_INTR_MACHDEP_H 37 1.2.2.2 ad 38 1.2.2.2 ad void *intr_establish(int, int, int, int (*)(void *), void *); 39 1.2.2.2 ad void intr_disestablish(void *); 40 1.2.2.2 ad const char *intr_typename(int); 41 1.2.2.2 ad void genppc_cpu_configure(void); 42 1.2.2.2 ad 43 1.2.2.2 ad /* Interrupt priority `levels'. */ 44 1.2.2.2 ad #define IPL_NONE 0 /* nothing */ 45 1.2.2.2 ad #define IPL_SOFTCLOCK 1 /* timeouts */ 46 1.2.2.3 ad #define IPL_SOFTBIO 2 /* block I/O */ 47 1.2.2.3 ad #define IPL_SOFTNET 3 /* protocol stacks */ 48 1.2.2.3 ad #define IPL_SOFTSERIAL 4 /* serial */ 49 1.2.2.3 ad #define IPL_VM 5 /* memory allocation */ 50 1.2.2.3 ad #define IPL_SCHED 6 51 1.2.2.3 ad #define IPL_HIGH 7 /* everything */ 52 1.2.2.3 ad #define NIPL 8 53 1.2.2.2 ad 54 1.2.2.2 ad /* Interrupt sharing types. */ 55 1.2.2.2 ad #define IST_NONE 0 /* none */ 56 1.2.2.2 ad #define IST_PULSE 1 /* pulsed */ 57 1.2.2.2 ad #define IST_EDGE 2 /* edge-triggered */ 58 1.2.2.2 ad #define IST_LEVEL 3 /* level-triggered */ 59 1.2.2.2 ad 60 1.2.2.2 ad #ifndef _LOCORE 61 1.2.2.2 ad /* 62 1.2.2.2 ad * Interrupt handler chains. intr_establish() inserts a handler into 63 1.2.2.2 ad * the list. The handler is called with its (single) argument. 64 1.2.2.2 ad */ 65 1.2.2.2 ad struct intrhand { 66 1.2.2.2 ad int (*ih_fun)(void *); 67 1.2.2.2 ad void *ih_arg; 68 1.2.2.2 ad struct intrhand *ih_next; 69 1.2.2.2 ad int ih_level; 70 1.2.2.2 ad int ih_irq; 71 1.2.2.2 ad }; 72 1.2.2.2 ad 73 1.2.2.2 ad int splraise(int); 74 1.2.2.2 ad int spllower(int); 75 1.2.2.2 ad void splx(int); 76 1.2.2.2 ad void softintr(int); 77 1.2.2.2 ad 78 1.2.2.2 ad extern int imask[]; 79 1.2.2.2 ad 80 1.2.2.2 ad /* Soft interrupt masks. */ 81 1.2.2.3 ad #define SIR_CLOCK 27 82 1.2.2.3 ad #define SIR_BIO 28 83 1.2.2.2 ad #define SIR_NET 29 84 1.2.2.2 ad #define SIR_SERIAL 30 85 1.2.2.2 ad #define SPL_CLOCK 31 86 1.2.2.2 ad 87 1.2.2.2 ad #define setsoftclock() softintr(SIR_CLOCK) 88 1.2.2.3 ad #define setsoftbio() softintr(SIR_BIO) 89 1.2.2.2 ad #define setsoftnet() softintr(SIR_NET) 90 1.2.2.2 ad #define setsoftserial() softintr(SIR_SERIAL) 91 1.2.2.2 ad 92 1.2.2.2 ad #define spl0() spllower(0) 93 1.2.2.2 ad 94 1.2.2.2 ad typedef int ipl_t; 95 1.2.2.2 ad typedef struct { 96 1.2.2.2 ad ipl_t _ipl; 97 1.2.2.2 ad } ipl_cookie_t; 98 1.2.2.2 ad 99 1.2.2.2 ad static inline ipl_cookie_t 100 1.2.2.2 ad makeiplcookie(ipl_t ipl) 101 1.2.2.2 ad { 102 1.2.2.2 ad 103 1.2.2.2 ad return (ipl_cookie_t){._ipl = ipl}; 104 1.2.2.2 ad } 105 1.2.2.2 ad 106 1.2.2.2 ad static inline int 107 1.2.2.2 ad splraiseipl(ipl_cookie_t icookie) 108 1.2.2.2 ad { 109 1.2.2.2 ad 110 1.2.2.2 ad return splraise(imask[icookie._ipl]); 111 1.2.2.2 ad } 112 1.2.2.2 ad 113 1.2.2.2 ad #include <sys/spl.h> 114 1.2.2.2 ad 115 1.2.2.2 ad #endif /* _LOCORE */ 116 1.2.2.2 ad 117 1.2.2.2 ad #endif /* POWERPC_INTR_MACHDEP_H */ 118
Indexes created Mon Oct 20 10:10:01 GMT 2025