sys/arch/pmax/include/intr.h

   1 /*      $NetBSD: intr.h,v 1.32 2008/01/04 21:54:05 ad 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_ */