1 /* $NetBSD: intr.h,v 1.28 2007/10/17 19:54:08 garbled Exp $ */ 2 3 /* 4 * Copyright (c) 2000 Soren S. Jorvang. 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 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #ifndef _COBALT_INTR_H_ 29 #define _COBALT_INTR_H_ 30 31 #define IPL_NONE 0 /* Disable only this interrupt. */ 32 #define IPL_SOFT 1 /* generic software interrupts */ 33 #define IPL_SOFTCLOCK 2 /* clock software interrupts */ 34 #define IPL_SOFTNET 3 /* network software interrupts */ 35 #define IPL_SOFTSERIAL 4 /* serial software interrupts */ 36 #define IPL_BIO 5 /* Disable block I/O interrupts. */ 37 #define IPL_NET 6 /* Disable network interrupts. */ 38 #define IPL_TTY 7 /* Disable terminal interrupts. */ 39 #define IPL_SERIAL IPL_TTY /* Disable serial hardware interrupts. */ 40 #define IPL_VM 8 /* Memory allocation */ 41 #define IPL_CLOCK 9 /* Disable clock interrupts. */ 42 #define IPL_STATCLOCK 10 /* Disable profiling interrupts. */ 43 #define IPL_HIGH 11 /* Disable all interrupts. */ 44 #define IPL_SCHED IPL_HIGH 45 #define IPL_LOCK IPL_HIGH 46 #define NIPL 12 47 48 /* Interrupt sharing types. */ 49 #define IST_NONE 0 /* none */ 50 #define IST_PULSE 1 /* pulsed */ 51 #define IST_EDGE 2 /* edge-triggered */ 52 #define IST_LEVEL 3 /* level-triggered */ 53 54 /* Soft interrupt numbers. */ 55 #define SI_SOFT 0 /* generic software interrupts */ 56 #define SI_SOFTSERIAL 1 /* serial software interrupts */ 57 #define SI_SOFTNET 2 /* network software interrupts */ 58 #define SI_SOFTCLOCK 3 /* clock software interrupts */ 59 60 #define SI_NQUEUES 4 61 62 #define SI_QUEUENAMES { \ 63 "misc", \ 64 "serial", \ 65 "net", \ 66 "clock", \ 67 } 68 69 #ifdef _KERNEL 70 #ifndef _LOCORE 71 72 #include <sys/device.h> 73 #include <mips/cpuregs.h> 74 #include <mips/locore.h> 75 76 #define splhigh() _splraise(MIPS_INT_MASK) 77 #define spl0() (void)_spllower(0) 78 #define splx(s) (void)_splset(s) 79 #define SPLSOFT (MIPS_SOFT_INT_MASK_0 | MIPS_SOFT_INT_MASK_1) 80 #define SPLBIO (SPLSOFT | MIPS_INT_MASK_4) 81 #define SPLNET (SPLBIO | MIPS_INT_MASK_1 | MIPS_INT_MASK_2) 82 #define SPLTTY (SPLNET | MIPS_INT_MASK_3) 83 #define SPLCLOCK (SPLTTY | MIPS_INT_MASK_0 | MIPS_INT_MASK_5) 84 #define splbio() _splraise(SPLBIO) 85 #define splnet() _splraise(SPLNET) 86 #define spltty() _splraise(SPLTTY) 87 #define spllpt() spltty() 88 #define splserial() _splraise(SPLTTY) 89 #define splclock() _splraise(SPLCLOCK) 90 #define splvm() splclock() 91 #define splstatclock() splclock() 92 93 #define splsched() splhigh() 94 #define spllock() splhigh() 95 96 #define splsoft() _splraise(MIPS_SOFT_INT_MASK_0) 97 #define splsoftclock() _splraise(MIPS_SOFT_INT_MASK_0) 98 #define splsoftnet() _splraise(MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1) 99 #define splsoftserial() _splraise(MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1) 100 101 typedef int ipl_t; 102 typedef struct { 103 int _spl; 104 } ipl_cookie_t; 105 106 ipl_cookie_t makeiplcookie(ipl_t); 107 108 static inline int 109 splraiseipl(ipl_cookie_t icookie) 110 { 111 112 return _splraise(icookie._spl); 113 } 114 115 struct cobalt_intrhand { 116 LIST_ENTRY(cobalt_intrhand) ih_q; 117 int (*ih_func)(void *); 118 void *ih_arg; 119 int ih_type; 120 int ih_cookie_type; 121 #define COBALT_COOKIE_TYPE_CPU 0x1 122 #define COBALT_COOKIE_TYPE_ICU 0x2 123 124 struct evcnt ih_evcnt; 125 char ih_evname[32]; 126 }; 127 128 #include <mips/softintr.h> 129 130 void *cpu_intr_establish(int, int, int (*)(void *), void *); 131 void *icu_intr_establish(int, int, int, int (*)(void *), void *); 132 void cpu_intr_disestablish(void *); 133 void icu_intr_disestablish(void *); 134 void icu_init(void); 135 136 #endif /* !_LOCORE */ 137 #endif /* _LOCORE */ 138 139 #endif /* !_COBALT_INTR_H_ */ 140