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intr.h revision 1.2 
      1 /* $NetBSD: intr.h,v 1.2 2003/02/07 17:46:12 cgd Exp $ */
      2 
      3 /*
      4  * Copyright 2000, 2001
      5  * Broadcom Corporation. All rights reserved.
      6  *
      7  * This software is furnished under license and may be used and copied only
      8  * in accordance with the following terms and conditions.  Subject to these
      9  * conditions, you may download, copy, install, use, modify and distribute
     10  * modified or unmodified copies of this software in source and/or binary
     11  * form. No title or ownership is transferred hereby.
     12  *
     13  * 1) Any source code used, modified or distributed must reproduce and
     14  *    retain this copyright notice and list of conditions as they appear in
     15  *    the source file.
     16  *
     17  * 2) No right is granted to use any trade name, trademark, or logo of
     18  *    Broadcom Corporation.  The "Broadcom Corporation" name may not be
     19  *    used to endorse or promote products derived from this software
     20  *    without the prior written permission of Broadcom Corporation.
     21  *
     22  * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
     23  *    WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
     24  *    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
     25  *    NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
     26  *    FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
     27  *    LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     28  *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     29  *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
     30  *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     31  *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     32  *    OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     33  */
     34 
     35 #ifndef _SBMIPS_INTR_H_
     36 #define	_SBMIPS_INTR_H_
     37 
     38 #include <machine/systemsw.h>
     39 
     40 /* Interrupt levels */
     41 #define	IPL_SERIAL	0
     42 #define	IPL_STATCLOCK	1
     43 #define	IPL_CLOCK	2
     44 #define	IPL_BIO		3
     45 #define	IPL_NET		4
     46 #define	IPL_TTY		5
     47 #define	_NIPL		6
     48 
     49 #define	IPL_SOFTSERIAL	1000
     50 #define	IPL_SOFTNET	1001
     51 #define	IPL_SOFTCLOCK	1002
     52 
     53 #define	_IMR_SOFT	(MIPS_SOFT_INT_MASK_0 | MIPS_SOFT_INT_MASK_1)
     54 #define	_IMR_VM		(_IMR_SOFT | MIPS_INT_MASK_0)
     55 #define	_IMR_SCHED	(_IMR_VM | MIPS_INT_MASK_1 | MIPS_INT_MASK_5)
     56 #define	_IMR_SERIAL	(_IMR_SCHED | MIPS_INT_MASK_2)
     57 #define	_IMR_HIGH	(MIPS_INT_MASK)
     58 
     59 #define	splbio()		_splraise(_IMR_VM)
     60 #define	splclock()		_splraise(_IMR_SCHED)
     61 #define	splhigh()		_splraise(_IMR_HIGH)
     62 #define	spllock()		splhigh()
     63 #define	splvm()			_splraise(_IMR_VM)
     64 #define	splnet()		_splraise(_IMR_VM)
     65 #define	splsched()		_splraise(_IMR_SCHED)
     66 #define	splserial()		_splraise(_IMR_SERIAL)
     67 #define	splsoftclock()		_splraise(_IMR_SOFT)
     68 #define	splsoftnet()		_splraise(_IMR_SOFT)
     69 #define	splsoftserial()		_splraise(_IMR_SOFT)
     70 #define	splstatclock()		_splraise(_IMR_SCHED)
     71 #define	spltty()		_splraise(_IMR_VM)
     72 
     73 #define	spl0()			_spllower(0)
     74 #define	spllowersoftclock()	_spllower(_IMR_SOFT)
     75 #define	splx(s)			_splset(s)
     76 
     77 #define	__GENERIC_SOFT_INTERRUPTS
     78 
     79 void		*softintr_establish(int level, void (*fun)(void *), void *arg);
     80 void		softintr_disestablish(void *cookie);
     81 void		softintr_schedule(void *cookie);
     82 
     83 /* for interrupt dispatch code */
     84 void		dosoftints(void);
     85 
     86 /* XXX backward-compat */
     87 void		setsoftclock(void);
     88 void		setsoftnet(void);
     89 
     90 extern int		_splraise(int);
     91 extern int		_spllower(int);
     92 extern int		_splset(int);
     93 extern int		_splget(void);
     94 extern void		_splnone(void);
     95 extern void		_setsoftintr(int);
     96 extern void		_clrsoftintr(int);
     97 
     98 /* XXX */
     99 extern u_long	intrcnt[];
    100 #define	SOFTCLOCK_INTR	0
    101 #define	SOFTNET_INTR	1
    102 
    103 #endif /* _SBMIPS_INTR_H_ */
    104