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intr.h revision 1.24
      1 /*	$NetBSD: intr.h,v 1.24 2003/05/25 14:04:45 tsutsui 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/device.h>
     37 #include <sys/lock.h>
     38 #include <sys/queue.h>
     39 
     40 #define	IPL_NONE	0	/* disable only this interrupt */
     41 
     42 #define	IPL_SOFT	1	/* generic software interrupts (SI 0) */
     43 #define	IPL_SOFTCLOCK	2	/* clock software interrupts (SI 0) */
     44 #define	IPL_SOFTNET	3	/* network software interrupts (SI 1) */
     45 #define	IPL_SOFTSERIAL	4	/* serial software interrupts (SI 1) */
     46 
     47 #define	IPL_BIO		5	/* disable block I/O interrupts */
     48 #define	IPL_NET		6	/* disable network interrupts */
     49 #define	IPL_TTY		7	/* disable terminal interrupts */
     50 #define	IPL_SERIAL	7	/* disable serial interrupts */
     51 #define	IPL_CLOCK	8	/* disable clock interrupts */
     52 #define	IPL_HIGH	8	/* disable all interrupts */
     53 
     54 #define	_IPL_NSOFT	4
     55 #define	_IPL_N		9
     56 
     57 #define	_IPL_SI0_FIRST	IPL_SOFT
     58 #define	_IPL_SI0_LAST	IPL_SOFTCLOCK
     59 
     60 #define	_IPL_SI1_FIRST	IPL_SOFTNET
     61 #define	_IPL_SI1_LAST	IPL_SOFTSERIAL
     62 
     63 #define	IPL_SOFTNAMES {							\
     64 	"misc",								\
     65 	"clock",							\
     66 	"net",								\
     67 	"serial",							\
     68 }
     69 
     70 #ifdef _KERNEL
     71 #ifndef _LOCORE
     72 
     73 #include <mips/cpuregs.h>
     74 
     75 int	_splraise __P((int));
     76 int	_spllower __P((int));
     77 int	_splset __P((int));
     78 int	_splget __P((void));
     79 void	_splnone __P((void));
     80 void	_setsoftintr __P((int));
     81 void	_clrsoftintr __P((int));
     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(splvec.splbio))
     87 #define splnet()	(_splraise(splvec.splnet))
     88 #define spltty()	(_splraise(splvec.spltty))
     89 #define splvm()		(_splraise(splvec.splvm))
     90 #define splclock()	(_splraise(splvec.splclock))
     91 #define splstatclock()	(_splraise(splvec.splstatclock))
     92 #define spllowersoftclock() _spllower(MIPS_SOFT_INT_MASK_0)
     93 
     94 #define	splsched()	splhigh()
     95 #define	spllock()	splhigh()
     96 
     97 #define splsoft()	_splraise(MIPS_SOFT_INT_MASK_0)
     98 #define splsoftclock()	_splraise(MIPS_SOFT_INT_MASK_0)
     99 #define splsoftnet()	_splraise(MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
    100 #define splsoftserial()	_splraise(MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
    101 
    102 struct splvec {
    103 	int	splbio;
    104 	int	splnet;
    105 	int	spltty;
    106 	int	splvm;
    107 	int	splclock;
    108 	int	splstatclock;
    109 };
    110 extern struct splvec splvec;
    111 
    112 /* Conventionals ... */
    113 
    114 #define MIPS_SPLHIGH (MIPS_INT_MASK)
    115 #define MIPS_SPL0 (MIPS_INT_MASK_0|MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
    116 #define MIPS_SPL1 (MIPS_INT_MASK_1|MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
    117 #define MIPS_SPL3 (MIPS_INT_MASK_3|MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
    118 #define MIPS_SPL_0_1	 (MIPS_INT_MASK_1|MIPS_SPL0)
    119 #define MIPS_SPL_0_1_2	 (MIPS_INT_MASK_2|MIPS_SPL_0_1)
    120 #define MIPS_SPL_0_1_3	 (MIPS_INT_MASK_3|MIPS_SPL_0_1)
    121 #define MIPS_SPL_0_1_2_3 (MIPS_INT_MASK_3|MIPS_SPL_0_1_2)
    122 
    123 /*
    124  * Index into intrcnt[], which is defined in locore
    125  */
    126 extern u_long intrcnt[];
    127 
    128 #define	SERIAL0_INTR	0
    129 #define	SERIAL1_INTR	1
    130 #define	LANCE_INTR	2
    131 #define	SCSI_INTR	3
    132 #define	SLOT0_INTR	4
    133 #define	SLOT1_INTR	5
    134 #define	SLOT2_INTR	6
    135 #define	DTOP_INTR	7
    136 #define	ISDN_INTR	8
    137 #define	FLOPPY_INTR	9
    138 
    139 struct intrhand {
    140 	int	(*ih_func) __P((void *));
    141 	void	*ih_arg;
    142 };
    143 extern struct intrhand intrtab[];
    144 
    145 #define SYS_DEV_SCSI	SCSI_INTR
    146 #define SYS_DEV_LANCE	LANCE_INTR
    147 #define SYS_DEV_SCC0	SERIAL0_INTR
    148 #define SYS_DEV_SCC1	SERIAL1_INTR
    149 #define SYS_DEV_DTOP	DTOP_INTR
    150 #define SYS_DEV_FDC	FLOPPY_INTR
    151 #define SYS_DEV_ISDN	ISDN_INTR
    152 #define SYS_DEV_OPT0	SLOT0_INTR
    153 #define SYS_DEV_OPT1	SLOT1_INTR
    154 #define SYS_DEV_OPT2	SLOT2_INTR
    155 #define SYS_DEV_BOGUS	-1
    156 #define MAX_DEV_NCOOKIES 10
    157 
    158 
    159 struct pmax_intrhand {
    160 	LIST_ENTRY(pmax_intrhand) ih_q;
    161 	int (*ih_func)(void *);
    162 	void *ih_arg;
    163 };
    164 
    165 #include <mips/softintr.h>
    166 
    167 extern struct evcnt pmax_clock_evcnt;
    168 extern struct evcnt pmax_fpu_evcnt;
    169 extern struct evcnt pmax_memerr_evcnt;
    170 
    171 #endif /* !_LOCORE */
    172 #endif /* _KERNEL */
    173 
    174 #endif	/* !_PMAX_INTR_H_ */
    175