1 /* $NetBSD: intr.h,v 1.2 2000/06/29 15:36:48 soren Exp $ */ 2 3 /* 4 * Copyright (c) 2000 Soren S. Jorvang 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed for the 18 * NetBSD Project. See http://www.netbsd.org/ for 19 * information about NetBSD. 20 * 4. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #define IPL_NONE 0 /* Disable only this interrupt. */ 36 #define IPL_BIO 1 /* Disable block I/O interrupts. */ 37 #define IPL_NET 2 /* Disable network interrupts. */ 38 #define IPL_TTY 3 /* Disable terminal interrupts. */ 39 #define IPL_CLOCK 4 /* Disable clock interrupts. */ 40 #define IPL_STATCLOCK 5 /* Disable profiling interrupts. */ 41 #ifndef __NO_SOFT_SERIAL_INTERRUPT 42 #define IPL_SERIAL 6 /* Disable serial hardware interrupts. */ 43 #endif 44 #define IPL_HIGH 7 /* Disable all interrupts. */ 45 #define NIPL 8 46 47 /* Interrupt sharing types. */ 48 #define IST_NONE 0 /* none */ 49 #define IST_PULSE 1 /* pulsed */ 50 #define IST_EDGE 2 /* edge-triggered */ 51 #define IST_LEVEL 3 /* level-triggered */ 52 53 /* Soft interrupt masks. */ 54 #define SIR_CLOCK 31 55 #define SIR_NET 30 56 #define SIR_CLOCKMASK ((1 << SIR_CLOCK)) 57 #define SIR_NETMASK ((1 << SIR_NET) | SIR_CLOCKMASK) 58 #define SIR_ALLMASK (SIR_CLOCKMASK | SIR_NETMASK) 59 60 #ifdef _KERNEL 61 #ifndef _LOCORE 62 63 #include <mips/cpuregs.h> 64 65 extern int _splraise(int); 66 extern int _spllower(int); 67 extern int _splset(int); 68 extern int _splget(void); 69 extern void _splnone(void); 70 extern void _setsoftintr(int); 71 extern void _clrsoftintr(int); 72 73 #define setsoftclock() _setsoftintr(MIPS_SOFT_INT_MASK_0) 74 #define setsoftnet() _setsoftintr(MIPS_SOFT_INT_MASK_1) 75 #define clearsoftclock() _clrsoftintr(MIPS_SOFT_INT_MASK_0) 76 #define clearsoftnet() _clrsoftintr(MIPS_SOFT_INT_MASK_1) 77 78 extern u_int32_t biomask; 79 extern u_int32_t netmask; 80 extern u_int32_t ttymask; 81 extern u_int32_t clockmask; 82 83 #define splhigh() _splraise(MIPS_INT_MASK) 84 #define spl0() (void)_spllower(0) 85 #define splx(s) (void)_splset(s) 86 #define splbio() _splraise(biomask) 87 #define splnet() _splraise(netmask) 88 #define spltty() _splraise(ttymask) 89 #define splimp() spltty() 90 #define splclock() _splraise(clockmask) 91 #define splstatclock() splclock() 92 #define spllowersoftclock() _spllower(MIPS_SOFT_INT_MASK_0) 93 #define splsoftclock() _splraise(MIPS_SOFT_INT_MASK_0 | MIPS_SOFT_INT_MASK_1) 94 #define splsoftnet() _splraise(MIPS_SOFT_INT_MASK_1) 95 96 #define spllpt() spltty() 97 98 extern unsigned int intrcnt[]; 99 #define SOFTCLOCK_INTR 0 100 #define SOFTNET_INTR 1 101 102 extern void * cpu_intr_establish(int, int, int (*)(void *), void *); 103 104 #endif /* _LOCORE */ 105 #endif /* _KERNEL */ 106