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intr.h revision 1.3 
      1 /*	$NetBSD: intr.h,v 1.3 2000/03/31 14:51:52 soren Exp $	*/
      2 
      3 #include <mips/cpuregs.h>
      4 #include <mips/intr.h>
      5 
      6 #define	IPL_NONE	0	/* Disable only this interrupt. */
      7 #define	IPL_BIO		1	/* Disable block I/O interrupts. */
      8 #define	IPL_NET		2	/* Disable network interrupts. */
      9 #define	IPL_TTY		3	/* Disable terminal interrupts. */
     10 #define	IPL_IMP		4	/* Memory allocation */
     11 #define	IPL_CLOCK	5	/* Disable clock interrupts. */
     12 #define	IPL_STATCLOCK	6	/* Disable profiling interrupts. */
     13 #define	IPL_HIGH	7	/* Disable all interrupts. */
     14 #define NIPL		8
     15 
     16 /* Interrupt sharing types. */
     17 #define IST_NONE	0	/* none */
     18 #define IST_PULSE	1	/* pulsed */
     19 #define IST_EDGE	2	/* edge-triggered */
     20 #define IST_LEVEL	3	/* level-triggered */
     21 
     22 #ifdef _KERNEL
     23 #ifndef _LOCORE
     24 
     25 extern int		_splraise(int);
     26 extern int		_spllower(int);
     27 extern int		_splset(int);
     28 extern int		_splget(void);
     29 extern void		_splnone(void);
     30 extern void		_setsoftintr(int);
     31 extern void		_clrsoftintr(int);
     32 
     33 #define setsoftclock()	_setsoftintr(MIPS_SOFT_INT_MASK_0)
     34 #define setsoftnet()	_setsoftintr(MIPS_SOFT_INT_MASK_1)
     35 #define clearsoftclock() _clrsoftintr(MIPS_SOFT_INT_MASK_0)
     36 #define clearsoftnet()	_clrsoftintr(MIPS_SOFT_INT_MASK_1)
     37 
     38 #define splhigh()       _splraise(MIPS_INT_MASK)
     39 #define spl0()          (void)_spllower(0)
     40 #define splx(s)         (void)_splset(s)
     41 #define SPLSOFT		MIPS_SOFT_INT_MASK_0 | MIPS_SOFT_INT_MASK_1
     42 #define SPLBIO		SPLSOFT | MIPS_INT_MASK_4
     43 #define SPLNET		SPLBIO | MIPS_INT_MASK_1 | MIPS_INT_MASK_2
     44 #define SPLTTY		SPLNET | MIPS_INT_MASK_3
     45 #define SPLCLOCK	SPLTTY | MIPS_INT_MASK_0 | MIPS_INT_MASK_5
     46 #define splbio()        _splraise(SPLBIO)
     47 #define splnet()        _splraise(SPLNET)
     48 #define spltty()        _splraise(SPLTTY)
     49 #define splclock()      _splraise(SPLCLOCK)
     50 #define splimp()	splclock()
     51 #define splstatclock()  splclock()
     52 #define splsoftclock()	_splraise(MIPS_SOFT_INT_MASK_0)
     53 #define splsoftnet()	_splraise(MIPS_SOFT_INT_MASK_1)
     54 #define spllowersoftclock() _spllower(MIPS_SOFT_INT_MASK_0)
     55 
     56 extern unsigned int	intrcnt[];
     57 #define SOFTCLOCK_INTR	0
     58 #define SOFTNET_INTR	1
     59 
     60 extern void *	cpu_intr_establish(int, int, int (*)(void *), void *);
     61 extern void *	icu_intr_establish(int, int, int, int (*)(void *), void *);
     62 
     63 #endif /* !_LOCORE */
     64 #endif /* _LOCORE */
     65