1 /* $NetBSD: intr.h,v 1.5 1998/08/25 01:55:40 nisimura Exp $ */ 2 3 /* 4 * Copyright (c) 1998 Jonathan Stone. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Jonathan Stone for 17 * the NetBSD Project. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #ifndef _PMAX_INTR_H_ 34 #define _PMAX_INTR_H_ 35 36 #define IPL_NONE 0 /* disable only this interrupt */ 37 #define IPL_BIO 1 /* disable block I/O interrupts */ 38 #define IPL_NET 2 /* disable network interrupts */ 39 #define IPL_TTY 3 /* disable terminal interrupts */ 40 #define IPL_CLOCK 4 /* disable clock interrupts */ 41 #define IPL_STATCLOCK 5 /* disable profiling interrupts */ 42 #define IPL_SERIAL 6 /* disable serial hardware interrupts */ 43 #define IPL_DMA 7 /* disable DMA reload interrupts */ 44 #define IPL_HIGH 8 /* disable all interrupts */ 45 46 #ifdef _KERNEL 47 #ifndef _LOCORE 48 49 typedef int spl_t; 50 extern spl_t splx __P((spl_t)); 51 extern spl_t splsoftnet __P((void)), splsoftclock __P((void)); 52 extern spl_t splhigh __P((void)); 53 extern spl_t spl0 __P((void)); /* XXX should not enable TC on 3min */ 54 55 extern void setsoftnet __P((void)), clearsoftnet __P((void)); 56 extern void setsoftclock __P((void)), clearsoftclock __P((void)); 57 58 59 extern int (*Mach_splnet) __P((void)), (*Mach_splbio) __P((void)), 60 (*Mach_splimp) __P((void)), (*Mach_spltty) __P((void)), 61 (*Mach_splclock) __P((void)), (*Mach_splstatclock) __P((void)), 62 (*Mach_splnone) __P((void)); 63 64 #define splnet() (*Mach_splnet)() 65 #define splbio() (*Mach_splbio)() 66 #define splimp() (*Mach_splimp)() 67 #define spltty() (*Mach_spltty)() 68 #define splclock() (*Mach_splclock)() 69 #define splstatclock() (*Mach_splstatclock)() 70 71 /* 72 * Index into intrcnt[], which is defined in locore 73 */ 74 extern u_long intrcnt[]; 75 76 #define SOFTCLOCK_INTR 0 77 #define SOFTNET_INTR 1 78 #define SERIAL0_INTR 2 79 #define SERIAL1_INTR 3 80 #define SERIAL2_INTR 4 81 #define LANCE_INTR 5 82 #define SCSI_INTR 6 83 #define ERROR_INTR 7 84 #define HARDCLOCK 8 85 #define FPU_INTR 9 86 #define SLOT0_INTR 10 87 #define SLOT1_INTR 11 88 #define SLOT2_INTR 12 89 #define DTOP_INTR 13 90 #define ISDN_INTR 14 91 #define FLOPPY_INTR 15 92 #define STRAY_INTR 16 93 94 /* handle i/o device interrupts */ 95 extern int (*mips_hardware_intr) __P((unsigned, unsigned, unsigned, unsigned)); 96 97 #endif /* !_LOCORE */ 98 #endif /* _KERNEL */ 99 100 #endif /* !_PMAX_INTR_H_ */ 101