1 /* $NetBSD: intr.h,v 1.33 2009/03/14 14:46:04 dsl 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 #include <sys/evcnt.h> 37 #include <sys/queue.h> 38 39 #define IPL_NONE 0 /* disable only this interrupt */ 40 #define IPL_SOFTCLOCK 1 /* clock software interrupts (SI 0) */ 41 #define IPL_SOFTBIO 1 /* generic software interrupts (SI 0) */ 42 #define IPL_SOFTNET 2 /* network software interrupts (SI 1) */ 43 #define IPL_SOFTSERIAL 2 /* serial software interrupts (SI 1) */ 44 #define IPL_VM 3 45 #define IPL_SCHED 4 46 #define IPL_HIGH 5 47 48 #define _IPL_N 6 49 50 #define _IPL_SI0_FIRST IPL_SOFTCLOCK 51 #define _IPL_SI0_LAST IPL_SOFTBIO 52 53 #define _IPL_SI1_FIRST IPL_SOFTNET 54 #define _IPL_SI1_LAST IPL_SOFTSERIAL 55 56 #ifdef _KERNEL 57 #ifndef _LOCORE 58 59 #include <mips/cpuregs.h> 60 #include <mips/locore.h> 61 62 #define spl0() (void)_spllower(0) 63 #define splx(s) (void)_splset(s) 64 #define splvm() splraiseipl(makeiplcookie(IPL_VM)) 65 #define splsched() splraiseipl(makeiplcookie(IPL_SCHED)) 66 #define splhigh() _splraise(MIPS_INT_MASK) 67 68 #define _SPL_SOFT MIPS_SOFT_INT_MASK_0 69 #define _SPL_SOFTCLOCK MIPS_SOFT_INT_MASK_0 70 #define _SPL_SOFTNET (MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1) 71 #define _SPL_SOFTSERIAL (MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1) 72 73 #define splsoftclock() _splraise(_SPL_SOFTCLOCK) 74 #define splsoftbio() _splraise(_SPL_SOFTBIO) 75 #define splsoftnet() _splraise(_SPL_SOFTNET) 76 #define splsoftserial() _splraise(_SPL_SOFTSERIAL) 77 78 extern const int *ipl2spl_table; 79 80 typedef int ipl_t; 81 typedef struct { 82 int _spl; 83 } ipl_cookie_t; 84 85 ipl_cookie_t makeiplcookie(ipl_t); 86 87 static inline int 88 splraiseipl(ipl_cookie_t icookie) 89 { 90 91 return _splraise(icookie._spl); 92 } 93 94 /* Conventionals ... */ 95 96 #define MIPS_SPLHIGH (MIPS_INT_MASK) 97 #define MIPS_SPL0 (MIPS_INT_MASK_0|MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1) 98 #define MIPS_SPL1 (MIPS_INT_MASK_1|MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1) 99 #define MIPS_SPL3 (MIPS_INT_MASK_3|MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1) 100 #define MIPS_SPL_0_1 (MIPS_INT_MASK_1|MIPS_SPL0) 101 #define MIPS_SPL_0_1_2 (MIPS_INT_MASK_2|MIPS_SPL_0_1) 102 #define MIPS_SPL_0_1_3 (MIPS_INT_MASK_3|MIPS_SPL_0_1) 103 #define MIPS_SPL_0_1_2_3 (MIPS_INT_MASK_3|MIPS_SPL_0_1_2) 104 105 struct intrhand { 106 int (*ih_func)(void *); 107 void *ih_arg; 108 struct evcnt ih_count; 109 }; 110 extern struct intrhand intrtab[]; 111 112 #define SYS_DEV_SCC0 0 113 #define SYS_DEV_SCC1 1 114 #define SYS_DEV_LANCE 2 115 #define SYS_DEV_SCSI 3 116 #define SYS_DEV_OPT0 4 117 #define SYS_DEV_OPT1 5 118 #define SYS_DEV_OPT2 6 119 #define SYS_DEV_DTOP 7 120 #define SYS_DEV_ISDN 8 121 #define SYS_DEV_FDC 9 122 #define SYS_DEV_BOGUS -1 123 #define MAX_DEV_NCOOKIES 10 124 125 struct pmax_intrhand { 126 LIST_ENTRY(pmax_intrhand) ih_q; 127 int (*ih_func)(void *); 128 void *ih_arg; 129 }; 130 131 #include <mips/softintr.h> 132 133 extern struct evcnt pmax_clock_evcnt; 134 extern struct evcnt pmax_fpu_evcnt; 135 extern struct evcnt pmax_memerr_evcnt; 136 137 void intr_init(void); 138 #endif /* !_LOCORE */ 139 #endif /* _KERNEL */ 140 141 #endif /* !_PMAX_INTR_H_ */ 142