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intr.h revision 1.5 
      1 /* $NetBSD: intr.h,v 1.5 2006/12/21 15:55:24 yamt 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_NONE	0
     42 #define	IPL_SOFT	1	/* generic software interrupts */
     43 #define	IPL_SOFTCLOCK	2	/* clock software interrupts */
     44 #define	IPL_SOFTNET	3	/* network software interrupts */
     45 #define	IPL_SOFTSERIAL	4	/* serial software interrupts */
     46 #define	IPL_BIO		5
     47 #define	IPL_NET		6
     48 #define	IPL_TTY		7
     49 #define	IPL_VM		8
     50 #define	IPL_CLOCK	9
     51 #define	IPL_STATCLOCK	10
     52 #define	IPL_SCHED	11
     53 #define	IPL_SERIAL	12
     54 #define	IPL_HIGH	13
     55 #define	IPL_LOCK	14
     56 #define	_NIPL		15
     57 
     58 #define	SI_SOFT		0
     59 #define	SI_SOFTCLOCK	1
     60 #define	SI_SOFTNET	2
     61 #define	SI_SOFTSERIAL	3
     62 
     63 #define	SI_NQUEUES	4
     64 
     65 #define	SI_QUEUENAMES {							\
     66 	"misc",								\
     67 	"clock",							\
     68 	"net",								\
     69 	"serial",							\
     70 }
     71 
     72 #define	_IMR_SOFT	(MIPS_SOFT_INT_MASK_0 | MIPS_SOFT_INT_MASK_1)
     73 #define	_IMR_VM		(_IMR_SOFT | MIPS_INT_MASK_0)
     74 #define	_IMR_SCHED	(_IMR_VM | MIPS_INT_MASK_1 | MIPS_INT_MASK_5)
     75 #define	_IMR_SERIAL	(_IMR_SCHED | MIPS_INT_MASK_2)
     76 #define	_IMR_HIGH	(MIPS_INT_MASK)
     77 
     78 #define	splsoftclock()		_splraise(_IMR_SOFT)
     79 #define	splsoftnet()		_splraise(_IMR_SOFT)
     80 #define	splsoftserial()		_splraise(_IMR_SOFT)
     81 #define	splbio()		_splraise(_IMR_VM)
     82 #define	splnet()		_splraise(_IMR_VM)
     83 #define	spltty()		_splraise(_IMR_VM)
     84 #define	splvm()			_splraise(_IMR_VM)
     85 #define	splclock()		_splraise(_IMR_SCHED)
     86 #define	splstatclock()		_splraise(_IMR_SCHED)
     87 #define	splsched()		_splraise(_IMR_SCHED)
     88 #define	splserial()		_splraise(_IMR_SERIAL)
     89 #define	splhigh()		_splraise(_IMR_HIGH)
     90 #define	spllock()		splhigh()
     91 
     92 #define	spl0()			_spllower(0)
     93 #define	spllowersoftclock()	_spllower(_IMR_SOFT)
     94 #define	splx(s)			_splset(s)
     95 
     96 int	_splraise(int);
     97 int	_spllower(int);
     98 int	_splset(int);
     99 int	_splget(void);
    100 int	_splnone(void);
    101 int	_setsoftintr(int);
    102 int	_clrsoftintr(int);
    103 
    104 typedef int ipl_t;
    105 typedef struct {
    106 	ipl_t _spl;
    107 } ipl_cookie_t;
    108 
    109 ipl_cookie_t makeiplcookie(ipl_t);
    110 
    111 static inline int
    112 splraiseipl(ipl_cookie_t icookie)
    113 {
    114 
    115 	return _splraise(icookie._spl);
    116 }
    117 
    118 #include <mips/softintr.h>
    119 
    120 #endif /* _SBMIPS_INTR_H_ */
    121