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intr.h revision 1.1.4.2
      1  1.1.4.2  rmind /*	$NetBSD: intr.h,v 1.1.4.2 2010/05/30 05:17:03 rmind Exp $	*/
      2  1.1.4.2  rmind 
      3  1.1.4.2  rmind /*-
      4  1.1.4.2  rmind  * Copyright (c) 1998, 2007 The NetBSD Foundation, Inc.
      5  1.1.4.2  rmind  * All rights reserved.
      6  1.1.4.2  rmind  *
      7  1.1.4.2  rmind  * This code is derived from software contributed to The NetBSD Foundation
      8  1.1.4.2  rmind  * by Charles M. Hannum.
      9  1.1.4.2  rmind  *
     10  1.1.4.2  rmind  * Redistribution and use in source and binary forms, with or without
     11  1.1.4.2  rmind  * modification, are permitted provided that the following conditions
     12  1.1.4.2  rmind  * are met:
     13  1.1.4.2  rmind  * 1. Redistributions of source code must retain the above copyright
     14  1.1.4.2  rmind  *    notice, this list of conditions and the following disclaimer.
     15  1.1.4.2  rmind  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1.4.2  rmind  *    notice, this list of conditions and the following disclaimer in the
     17  1.1.4.2  rmind  *    documentation and/or other materials provided with the distribution.
     18  1.1.4.2  rmind  *
     19  1.1.4.2  rmind  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.1.4.2  rmind  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.1.4.2  rmind  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.1.4.2  rmind  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.1.4.2  rmind  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.1.4.2  rmind  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.1.4.2  rmind  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.1.4.2  rmind  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.1.4.2  rmind  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.1.4.2  rmind  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.1.4.2  rmind  * POSSIBILITY OF SUCH DAMAGE.
     30  1.1.4.2  rmind  */
     31  1.1.4.2  rmind 
     32  1.1.4.2  rmind #ifndef _BOOKE_INTR_H_
     33  1.1.4.2  rmind #define _BOOKE_INTR_H_
     34  1.1.4.2  rmind 
     35  1.1.4.2  rmind /* Interrupt priority `levels'. */
     36  1.1.4.2  rmind #define	IPL_NONE	0	/* nothing */
     37  1.1.4.2  rmind #define	IPL_SOFTCLOCK	1	/* software clock interrupt */
     38  1.1.4.2  rmind #define	IPL_SOFTBIO	2	/* software block i/o interrupt */
     39  1.1.4.2  rmind #define	IPL_SOFTNET	3	/* software network interrupt */
     40  1.1.4.2  rmind #define	IPL_SOFTSERIAL	4	/* software serial interrupt */
     41  1.1.4.2  rmind #define	IPL_VM		5	/* memory allocation */
     42  1.1.4.2  rmind #define	IPL_SCHED	6	/* clock */
     43  1.1.4.2  rmind #define	IPL_HIGH	7	/* everything */
     44  1.1.4.2  rmind #define	NIPL		8
     45  1.1.4.2  rmind 
     46  1.1.4.2  rmind /* Interrupt sharing types. */
     47  1.1.4.2  rmind #define	IST_NONE	0	/* none */
     48  1.1.4.2  rmind #define	IST_EDGE	1	/* edge-triggered */
     49  1.1.4.2  rmind #define	IST_LEVEL	2	/* level-triggered active-low */
     50  1.1.4.2  rmind #define	IST_LEVEL_LOW	IST_LEVEL
     51  1.1.4.2  rmind #define	IST_LEVEL_HIGH	3	/* level-triggered active-high */
     52  1.1.4.2  rmind #define	IST_MSI		4	/* message signaling interrupt (PCI) */
     53  1.1.4.2  rmind #define	IST_ONCHIP	5	/* on-chip device */
     54  1.1.4.2  rmind #ifdef __INTR_PRIVATE
     55  1.1.4.2  rmind #define	IST_MSIGROUP	6	/* openpic msi groups */
     56  1.1.4.2  rmind #define	IST_TIMER	7	/* openpic timers */
     57  1.1.4.2  rmind #define	IST_IPI		8	/* openpic ipi */
     58  1.1.4.2  rmind #define	IST_MI		9	/* openpic message */
     59  1.1.4.2  rmind #endif
     60  1.1.4.2  rmind 
     61  1.1.4.2  rmind #ifndef _LOCORE
     62  1.1.4.2  rmind 
     63  1.1.4.2  rmind void 	*intr_establish(int, int, int, int (*)(void *), void *);
     64  1.1.4.2  rmind void 	intr_disestablish(void *);
     65  1.1.4.2  rmind int	spl0(void);
     66  1.1.4.2  rmind int 	splraise(int);
     67  1.1.4.2  rmind void 	splx(int);
     68  1.1.4.2  rmind 
     69  1.1.4.2  rmind typedef int ipl_t;
     70  1.1.4.2  rmind typedef struct {
     71  1.1.4.2  rmind 	ipl_t _ipl;
     72  1.1.4.2  rmind } ipl_cookie_t;
     73  1.1.4.2  rmind 
     74  1.1.4.2  rmind #ifdef __INTR_PRIVATE
     75  1.1.4.2  rmind #include <sys/lwp.h>
     76  1.1.4.2  rmind 
     77  1.1.4.2  rmind struct intrsw {
     78  1.1.4.2  rmind 	void *(*intrsw_establish)(int, int, int, int (*)(void *), void *);
     79  1.1.4.2  rmind 	void (*intrsw_disestablish)(void *);
     80  1.1.4.2  rmind 	void (*intrsw_cpu_init)(struct cpu_info *);
     81  1.1.4.2  rmind 	void (*intrsw_init)(void);
     82  1.1.4.2  rmind 	void (*intrsw_critintr)(struct trapframe *);
     83  1.1.4.2  rmind 	void (*intrsw_decrintr)(struct trapframe *);
     84  1.1.4.2  rmind 	void (*intrsw_extintr)(struct trapframe *);
     85  1.1.4.2  rmind 	void (*intrsw_fitintr)(struct trapframe *);
     86  1.1.4.2  rmind 	void (*intrsw_wdogintr)(struct trapframe *);
     87  1.1.4.2  rmind 	int (*intrsw_splraise)(int);
     88  1.1.4.2  rmind 	int (*intrsw_spl0)(void);
     89  1.1.4.2  rmind 	void (*intrsw_splx)(int);
     90  1.1.4.2  rmind #ifdef __HAVE_FAST_SOFTINTS
     91  1.1.4.2  rmind 	void (*intrsw_softint_init_md)(lwp_t *, u_int, uintptr_t *);
     92  1.1.4.2  rmind 	void (*intrsw_softint_trigger)(uintptr_t);
     93  1.1.4.2  rmind #endif
     94  1.1.4.2  rmind };
     95  1.1.4.2  rmind 
     96  1.1.4.2  rmind extern struct intrsw powerpc_intrsw;
     97  1.1.4.2  rmind #endif /* __INTR_PRIVATE */
     98  1.1.4.2  rmind 
     99  1.1.4.2  rmind static inline int
    100  1.1.4.2  rmind splhigh(void)
    101  1.1.4.2  rmind {
    102  1.1.4.2  rmind 
    103  1.1.4.2  rmind 	return splraise(IPL_HIGH);
    104  1.1.4.2  rmind }
    105  1.1.4.2  rmind 
    106  1.1.4.2  rmind static inline int
    107  1.1.4.2  rmind splsched(void)
    108  1.1.4.2  rmind {
    109  1.1.4.2  rmind 
    110  1.1.4.2  rmind 	return splraise(IPL_SCHED);
    111  1.1.4.2  rmind }
    112  1.1.4.2  rmind 
    113  1.1.4.2  rmind static inline int
    114  1.1.4.2  rmind splvm(void)
    115  1.1.4.2  rmind {
    116  1.1.4.2  rmind 
    117  1.1.4.2  rmind 	return splraise(IPL_VM);
    118  1.1.4.2  rmind }
    119  1.1.4.2  rmind 
    120  1.1.4.2  rmind static inline int
    121  1.1.4.2  rmind splsoftserial(void)
    122  1.1.4.2  rmind {
    123  1.1.4.2  rmind 
    124  1.1.4.2  rmind 	return splraise(IPL_SOFTSERIAL);
    125  1.1.4.2  rmind }
    126  1.1.4.2  rmind 
    127  1.1.4.2  rmind static inline int
    128  1.1.4.2  rmind splsoftnet(void)
    129  1.1.4.2  rmind {
    130  1.1.4.2  rmind 
    131  1.1.4.2  rmind 	return splraise(IPL_SOFTNET);
    132  1.1.4.2  rmind }
    133  1.1.4.2  rmind 
    134  1.1.4.2  rmind static inline int
    135  1.1.4.2  rmind splsoftbio(void)
    136  1.1.4.2  rmind {
    137  1.1.4.2  rmind 
    138  1.1.4.2  rmind 	return splraise(IPL_SOFTBIO);
    139  1.1.4.2  rmind }
    140  1.1.4.2  rmind 
    141  1.1.4.2  rmind static inline int
    142  1.1.4.2  rmind splsoftclock(void)
    143  1.1.4.2  rmind {
    144  1.1.4.2  rmind 
    145  1.1.4.2  rmind 	return splraise(IPL_SOFTCLOCK);
    146  1.1.4.2  rmind }
    147  1.1.4.2  rmind 
    148  1.1.4.2  rmind static inline int
    149  1.1.4.2  rmind splraiseipl(ipl_cookie_t icookie)
    150  1.1.4.2  rmind {
    151  1.1.4.2  rmind 
    152  1.1.4.2  rmind 	return splraise(icookie._ipl);
    153  1.1.4.2  rmind }
    154  1.1.4.2  rmind 
    155  1.1.4.2  rmind static inline ipl_cookie_t
    156  1.1.4.2  rmind makeiplcookie(ipl_t ipl)
    157  1.1.4.2  rmind {
    158  1.1.4.2  rmind 
    159  1.1.4.2  rmind 	return (ipl_cookie_t){._ipl = ipl};
    160  1.1.4.2  rmind }
    161  1.1.4.2  rmind 
    162  1.1.4.2  rmind #endif /* !_LOCORE */
    163  1.1.4.2  rmind #endif /* !_BOOKE_INTR_H_ */
    164