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intr.h revision 1.1.18.6
      1  1.1.18.6  yamt /*	$NetBSD: intr.h,v 1.1.18.6 2007/12/07 17:24:40 yamt Exp $	*/
      2  1.1.18.2  yamt 
      3  1.1.18.2  yamt /*-
      4  1.1.18.2  yamt  * Copyright (c) 2000, 2001, 2004 The NetBSD Foundation, Inc.
      5  1.1.18.2  yamt  * All rights reserved.
      6  1.1.18.2  yamt  *
      7  1.1.18.2  yamt  * This code is derived from software contributed to The NetBSD Foundation
      8  1.1.18.2  yamt  * by Jason R. Thorpe.
      9  1.1.18.2  yamt  *
     10  1.1.18.2  yamt  * Redistribution and use in source and binary forms, with or without
     11  1.1.18.2  yamt  * modification, are permitted provided that the following conditions
     12  1.1.18.2  yamt  * are met:
     13  1.1.18.2  yamt  * 1. Redistributions of source code must retain the above copyright
     14  1.1.18.2  yamt  *    notice, this list of conditions and the following disclaimer.
     15  1.1.18.2  yamt  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1.18.2  yamt  *    notice, this list of conditions and the following disclaimer in the
     17  1.1.18.2  yamt  *    documentation and/or other materials provided with the distribution.
     18  1.1.18.2  yamt  * 3. All advertising materials mentioning features or use of this software
     19  1.1.18.2  yamt  *    must display the following acknowledgement:
     20  1.1.18.2  yamt  *	This product includes software developed by the NetBSD
     21  1.1.18.2  yamt  *	Foundation, Inc. and its contributors.
     22  1.1.18.2  yamt  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  1.1.18.2  yamt  *    contributors may be used to endorse or promote products derived
     24  1.1.18.2  yamt  *    from this software without specific prior written permission.
     25  1.1.18.2  yamt  *
     26  1.1.18.2  yamt  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  1.1.18.2  yamt  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  1.1.18.2  yamt  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  1.1.18.2  yamt  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  1.1.18.2  yamt  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  1.1.18.2  yamt  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  1.1.18.2  yamt  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  1.1.18.2  yamt  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  1.1.18.2  yamt  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  1.1.18.2  yamt  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  1.1.18.2  yamt  * POSSIBILITY OF SUCH DAMAGE.
     37  1.1.18.2  yamt  */
     38  1.1.18.2  yamt 
     39  1.1.18.2  yamt #ifndef _EWS4800MIPS_INTR_H_
     40  1.1.18.2  yamt #define	_EWS4800MIPS_INTR_H_
     41  1.1.18.2  yamt 
     42  1.1.18.2  yamt #include <sys/device.h>
     43  1.1.18.2  yamt #include <sys/lock.h>
     44  1.1.18.2  yamt #include <sys/queue.h>
     45  1.1.18.2  yamt 
     46  1.1.18.2  yamt #define IPL_NONE	0	/* disable only this interrupt */
     47  1.1.18.6  yamt #define IPL_SOFTCLOCK	1	/* clock software interrupts (SI 0) */
     48  1.1.18.6  yamt #define IPL_SOFTBIO	1	/* bio software interrupts (SI 0) */
     49  1.1.18.6  yamt #define IPL_SOFTNET	2	/* network software interrupts (SI 1) */
     50  1.1.18.6  yamt #define IPL_SOFTSERIAL	2	/* serial software interrupts (SI 1) */
     51  1.1.18.6  yamt #define	IPL_VM		3
     52  1.1.18.6  yamt #define IPL_SCHED	4	/* disable clock interrupts */
     53  1.1.18.6  yamt #define IPL_HIGH	4	/* disable all interrupts */
     54  1.1.18.2  yamt 
     55  1.1.18.6  yamt #define _IPL_N		5
     56  1.1.18.2  yamt 
     57  1.1.18.6  yamt #define _IPL_SI0_FIRST	IPL_SOFTCLOCK
     58  1.1.18.6  yamt #define _IPL_SI0_LAST	IPL_SOFTBIO
     59  1.1.18.2  yamt 
     60  1.1.18.2  yamt #define _IPL_SI1_FIRST	IPL_SOFTNET
     61  1.1.18.2  yamt #define _IPL_SI1_LAST	IPL_SOFTSERIAL
     62  1.1.18.2  yamt 
     63  1.1.18.2  yamt #define IST_UNUSABLE	-1	/* interrupt cannot be used */
     64  1.1.18.2  yamt #define IST_NONE	0	/* none (dummy) */
     65  1.1.18.2  yamt #define IST_PULSE	1	/* pulsed */
     66  1.1.18.2  yamt #define IST_EDGE	2	/* edge-triggered */
     67  1.1.18.2  yamt #define IST_LEVEL	3	/* level-triggered */
     68  1.1.18.2  yamt 
     69  1.1.18.5  yamt #include <mips/locore.h>
     70  1.1.18.2  yamt 
     71  1.1.18.2  yamt extern const uint32_t *ipl_sr_bits;
     72  1.1.18.2  yamt 
     73  1.1.18.2  yamt #define spl0()		(void) _spllower(0)
     74  1.1.18.2  yamt #define splx(s)		(void) _splset(s)
     75  1.1.18.2  yamt 
     76  1.1.18.3  yamt typedef int ipl_t;
     77  1.1.18.3  yamt typedef struct {
     78  1.1.18.3  yamt 	ipl_t _sr;
     79  1.1.18.3  yamt } ipl_cookie_t;
     80  1.1.18.3  yamt 
     81  1.1.18.3  yamt static inline ipl_cookie_t
     82  1.1.18.3  yamt makeiplcookie(ipl_t ipl)
     83  1.1.18.3  yamt {
     84  1.1.18.3  yamt 
     85  1.1.18.3  yamt 	return (ipl_cookie_t){._sr = ipl_sr_bits[ipl]};
     86  1.1.18.3  yamt }
     87  1.1.18.3  yamt 
     88  1.1.18.3  yamt static inline int
     89  1.1.18.3  yamt splraiseipl(ipl_cookie_t icookie)
     90  1.1.18.3  yamt {
     91  1.1.18.3  yamt 
     92  1.1.18.3  yamt 	return _splraise(icookie._sr);
     93  1.1.18.3  yamt }
     94  1.1.18.3  yamt 
     95  1.1.18.3  yamt #include <sys/spl.h>
     96  1.1.18.3  yamt 
     97  1.1.18.2  yamt void intr_init(void);
     98  1.1.18.2  yamt void intr_establish(int, int (*)(void *), void *);
     99  1.1.18.2  yamt void intr_disestablish(void *);
    100  1.1.18.2  yamt 
    101  1.1.18.2  yamt #endif /* !_EWS4800MIPS_INTR_H_ */
    102