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intr.h revision 1.28.2.2
      1  1.28.2.2      mjf /*	$NetBSD: intr.h,v 1.28.2.2 2008/02/18 21:04:25 mjf Exp $	*/
      2       1.6    soren 
      3       1.6    soren /*
      4       1.6    soren  * Copyright (c) 2000 Soren S. Jorvang.  All rights reserved.
      5       1.6    soren  *
      6       1.6    soren  * Redistribution and use in source and binary forms, with or without
      7       1.6    soren  * modification, are permitted provided that the following conditions
      8       1.6    soren  * are met:
      9       1.6    soren  * 1. Redistributions of source code must retain the above copyright
     10       1.6    soren  *    notice, this list of conditions, and the following disclaimer.
     11       1.6    soren  * 2. Redistributions in binary form must reproduce the above copyright
     12       1.6    soren  *    notice, this list of conditions and the following disclaimer in the
     13       1.6    soren  *    documentation and/or other materials provided with the distribution.
     14       1.6    soren  *
     15       1.6    soren  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     16       1.6    soren  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     17       1.6    soren  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     18       1.6    soren  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     19       1.6    soren  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     20       1.6    soren  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     21       1.6    soren  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22       1.6    soren  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     23       1.6    soren  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24       1.6    soren  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25       1.6    soren  * SUCH DAMAGE.
     26       1.6    soren  */
     27       1.1    soren 
     28      1.14  tsutsui #ifndef	_COBALT_INTR_H_
     29      1.14  tsutsui #define	_COBALT_INTR_H_
     30      1.14  tsutsui 
     31       1.1    soren #define	IPL_NONE	0	/* Disable only this interrupt. */
     32  1.28.2.1      mjf #define	IPL_SOFTCLOCK	1	/* generic software interrupts */
     33  1.28.2.1      mjf #define	IPL_SOFTBIO	1	/* clock software interrupts */
     34  1.28.2.1      mjf #define	IPL_SOFTNET	2	/* network software interrupts */
     35  1.28.2.1      mjf #define	IPL_SOFTSERIAL	2	/* serial software interrupts */
     36  1.28.2.1      mjf #define	IPL_VM		3	/* Memory allocation */
     37  1.28.2.1      mjf #define	IPL_SCHED	4	/* Disable clock interrupts. */
     38  1.28.2.1      mjf #define	IPL_HIGH	4	/* Disable all interrupts. */
     39  1.28.2.1      mjf #define NIPL		5
     40       1.1    soren 
     41       1.1    soren /* Interrupt sharing types. */
     42       1.1    soren #define IST_NONE	0	/* none */
     43       1.1    soren #define IST_PULSE	1	/* pulsed */
     44       1.1    soren #define IST_EDGE	2	/* edge-triggered */
     45       1.1    soren #define IST_LEVEL	3	/* level-triggered */
     46       1.1    soren 
     47       1.3    soren #ifdef _KERNEL
     48       1.1    soren #ifndef _LOCORE
     49       1.5    soren 
     50  1.28.2.2      mjf #include <sys/evcnt.h>
     51       1.5    soren #include <mips/cpuregs.h>
     52      1.27  tsutsui #include <mips/locore.h>
     53       1.1    soren 
     54  1.28.2.1      mjf #define SPLVM		(MIPS_SOFT_INT_MASK_0 | MIPS_SOFT_INT_MASK_1 | \
     55  1.28.2.1      mjf 			MIPS_INT_MASK_1 | MIPS_INT_MASK_2 | \
     56  1.28.2.1      mjf 			MIPS_INT_MASK_3 | MIPS_INT_MASK_4)
     57  1.28.2.1      mjf #define SPLSCHED	(SPLVM | MIPS_INT_MASK_5)
     58  1.28.2.1      mjf 
     59       1.1    soren #define spl0()          (void)_spllower(0)
     60       1.1    soren #define splx(s)         (void)_splset(s)
     61  1.28.2.1      mjf #define splvm()		_splraise(SPLVM)
     62  1.28.2.1      mjf #define splsched()	_splraise(SPLSCHED)
     63  1.28.2.1      mjf #define splhigh()       _splraise(MIPS_INT_MASK)
     64       1.1    soren 
     65      1.15  tsutsui #define splsoftclock()	_splraise(MIPS_SOFT_INT_MASK_0)
     66  1.28.2.1      mjf #define splsoftbio()	_splraise(MIPS_SOFT_INT_MASK_0)
     67      1.15  tsutsui #define splsoftnet()	_splraise(MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
     68      1.15  tsutsui #define splsoftserial()	_splraise(MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1)
     69      1.15  tsutsui 
     70      1.24     yamt typedef int ipl_t;
     71      1.24     yamt typedef struct {
     72      1.24     yamt 	int _spl;
     73      1.24     yamt } ipl_cookie_t;
     74      1.24     yamt 
     75      1.24     yamt ipl_cookie_t makeiplcookie(ipl_t);
     76      1.24     yamt 
     77      1.24     yamt static inline int
     78      1.24     yamt splraiseipl(ipl_cookie_t icookie)
     79      1.24     yamt {
     80      1.24     yamt 
     81      1.24     yamt 	return _splraise(icookie._spl);
     82      1.24     yamt }
     83      1.24     yamt 
     84      1.15  tsutsui struct cobalt_intrhand {
     85      1.15  tsutsui 	LIST_ENTRY(cobalt_intrhand) ih_q;
     86      1.15  tsutsui 	int (*ih_func)(void *);
     87      1.15  tsutsui 	void *ih_arg;
     88      1.21  tsutsui 	int ih_type;
     89      1.19  tsutsui 	int ih_cookie_type;
     90      1.15  tsutsui #define	COBALT_COOKIE_TYPE_CPU	0x1
     91      1.15  tsutsui #define	COBALT_COOKIE_TYPE_ICU	0x2
     92      1.20  tsutsui 
     93      1.20  tsutsui 	struct evcnt ih_evcnt;
     94      1.20  tsutsui 	char ih_evname[32];
     95      1.15  tsutsui };
     96      1.15  tsutsui 
     97      1.15  tsutsui #include <mips/softintr.h>
     98      1.15  tsutsui 
     99      1.15  tsutsui void *cpu_intr_establish(int, int, int (*)(void *), void *);
    100      1.15  tsutsui void *icu_intr_establish(int, int, int, int (*)(void *), void *);
    101      1.15  tsutsui void cpu_intr_disestablish(void *);
    102      1.15  tsutsui void icu_intr_disestablish(void *);
    103      1.21  tsutsui void icu_init(void);
    104       1.1    soren 
    105       1.3    soren #endif /* !_LOCORE */
    106       1.1    soren #endif /* _LOCORE */
    107      1.14  tsutsui 
    108      1.14  tsutsui #endif	/* !_COBALT_INTR_H_ */
    109