1 /* $NetBSD: intr.h,v 1.1 2005/12/29 15:20:08 tsutsui Exp $ */ 2 3 /*- 4 * Copyright (c) 2000, 2001, 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _EWS4800MIPS_INTR_H_ 40 #define _EWS4800MIPS_INTR_H_ 41 42 #include <sys/device.h> 43 #include <sys/lock.h> 44 #include <sys/queue.h> 45 46 #define IPL_NONE 0 /* disable only this interrupt */ 47 48 #define IPL_SOFT 1 /* generic software interrupts (SI 0) */ 49 #define IPL_SOFTCLOCK 2 /* clock software interrupts (SI 0) */ 50 #define IPL_SOFTNET 3 /* network software interrupts (SI 1) */ 51 #define IPL_SOFTSERIAL 4 /* serial software interrupts (SI 1) */ 52 53 #define IPL_BIO 5 /* disable block I/O interrupts */ 54 #define IPL_NET 6 /* disable network interrupts */ 55 #define IPL_TTY 7 /* disable terminal interrupts */ 56 #define IPL_SERIAL 7 /* disable serial interrupts */ 57 #define IPL_CLOCK 8 /* disable clock interrupts */ 58 #define IPL_HIGH 8 /* disable all interrupts */ 59 60 #define _IPL_NSOFT 4 61 #define _IPL_N 9 62 63 #define _IPL_SI0_FIRST IPL_SOFT 64 #define _IPL_SI0_LAST IPL_SOFTCLOCK 65 66 #define _IPL_SI1_FIRST IPL_SOFTNET 67 #define _IPL_SI1_LAST IPL_SOFTSERIAL 68 69 #define IPL_SOFTNAMES { \ 70 "misc", \ 71 "clock", \ 72 "net", \ 73 "serial", \ 74 } 75 76 #define IST_UNUSABLE -1 /* interrupt cannot be used */ 77 #define IST_NONE 0 /* none (dummy) */ 78 #define IST_PULSE 1 /* pulsed */ 79 #define IST_EDGE 2 /* edge-triggered */ 80 #define IST_LEVEL 3 /* level-triggered */ 81 82 #ifdef _KERNEL 83 84 extern const uint32_t *ipl_sr_bits; 85 extern const uint32_t ipl_si_to_sr[_IPL_NSOFT]; 86 87 extern int _splraise(int); 88 extern int _spllower(int); 89 extern int _splset(int); 90 extern int _splget(int); 91 extern int _splnone(int); 92 extern int _setsoftintr(int); 93 extern int _clrsoftintr(int); 94 95 #define splhigh() _splraise(ipl_sr_bits[IPL_HIGH]) 96 #define spl0() (void) _spllower(0) 97 #define splx(s) (void) _splset(s) 98 #define splbio() _splraise(ipl_sr_bits[IPL_BIO]) 99 #define splnet() _splraise(ipl_sr_bits[IPL_NET]) 100 #define spltty() _splraise(ipl_sr_bits[IPL_TTY]) 101 #define splserial() _splraise(ipl_sr_bits[IPL_SERIAL]) 102 #define splvm() spltty() 103 #define splclock() _splraise(ipl_sr_bits[IPL_CLOCK]) 104 #define splstatclock() splclock() 105 106 #define splsched() splclock() 107 #define spllock() splhigh() 108 #define spllpt() spltty() 109 110 #define splsoft() _splraise(ipl_sr_bits[IPL_SOFT]) 111 #define splsoftclock() _splraise(ipl_sr_bits[IPL_SOFTCLOCK]) 112 #define splsoftnet() _splraise(ipl_sr_bits[IPL_SOFTNET]) 113 #define splsoftserial() _splraise(ipl_sr_bits[IPL_SOFTSERIAL]) 114 115 #define spllowersoftclock() _spllower(ipl_sr_bits[IPL_SOFTCLOCK]) 116 117 void intr_init(void); 118 void intr_establish(int, int (*)(void *), void *); 119 void intr_disestablish(void *); 120 121 #include <mips/softintr.h> 122 123 #endif /* _KERNEL */ 124 #endif /* !_EWS4800MIPS_INTR_H_ */ 125