/* $NetBSD: intr.h,v 1.32 2008/01/04 21:54:05 ad Exp $ */ /* * Copyright (c) 1998 Jonathan Stone. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Jonathan Stone for * the NetBSD Project. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _PMAX_INTR_H_ #define _PMAX_INTR_H_ #include <sys/evcnt.h> #include <sys/queue.h> #define IPL_NONE 0 /* disable only this interrupt */ #define IPL_SOFTCLOCK 1 /* clock software interrupts (SI 0) */ #define IPL_SOFTBIO 1 /* generic software interrupts (SI 0) */ #define IPL_SOFTNET 2 /* network software interrupts (SI 1) */ #define IPL_SOFTSERIAL 2 /* serial software interrupts (SI 1) */ #define IPL_VM 3 #define IPL_SCHED 4 #define IPL_HIGH 5 #define _IPL_N 6 #define _IPL_SI0_FIRST IPL_SOFTCLOCK #define _IPL_SI0_LAST IPL_SOFTBIO #define _IPL_SI1_FIRST IPL_SOFTNET #define _IPL_SI1_LAST IPL_SOFTSERIAL #ifdef _KERNEL #ifndef _LOCORE #include <mips/cpuregs.h> #include <mips/locore.h> #define spl0() (void)_spllower(0) #define splx(s) (void)_splset(s) #define splvm() splraiseipl(makeiplcookie(IPL_VM)) #define splsched() splraiseipl(makeiplcookie(IPL_SCHED)) #define splhigh() _splraise(MIPS_INT_MASK) #define _SPL_SOFT MIPS_SOFT_INT_MASK_0 #define _SPL_SOFTCLOCK MIPS_SOFT_INT_MASK_0 #define _SPL_SOFTNET (MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1) #define _SPL_SOFTSERIAL (MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1) #define splsoftclock() _splraise(_SPL_SOFTCLOCK) #define splsoftbio() _splraise(_SPL_SOFTBIO) #define splsoftnet() _splraise(_SPL_SOFTNET) #define splsoftserial() _splraise(_SPL_SOFTSERIAL) extern const int *ipl2spl_table; typedef int ipl_t; typedef struct { int _spl; } ipl_cookie_t; ipl_cookie_t makeiplcookie(ipl_t); static inline int splraiseipl(ipl_cookie_t icookie) { return _splraise(icookie._spl); } /* Conventionals ... */ #define MIPS_SPLHIGH (MIPS_INT_MASK) #define MIPS_SPL0 (MIPS_INT_MASK_0|MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1) #define MIPS_SPL1 (MIPS_INT_MASK_1|MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1) #define MIPS_SPL3 (MIPS_INT_MASK_3|MIPS_SOFT_INT_MASK_0|MIPS_SOFT_INT_MASK_1) #define MIPS_SPL_0_1 (MIPS_INT_MASK_1|MIPS_SPL0) #define MIPS_SPL_0_1_2 (MIPS_INT_MASK_2|MIPS_SPL_0_1) #define MIPS_SPL_0_1_3 (MIPS_INT_MASK_3|MIPS_SPL_0_1) #define MIPS_SPL_0_1_2_3 (MIPS_INT_MASK_3|MIPS_SPL_0_1_2) struct intrhand { int (*ih_func) __P((void *)); void *ih_arg; struct evcnt ih_count; }; extern struct intrhand intrtab[]; #define SYS_DEV_SCC0 0 #define SYS_DEV_SCC1 1 #define SYS_DEV_LANCE 2 #define SYS_DEV_SCSI 3 #define SYS_DEV_OPT0 4 #define SYS_DEV_OPT1 5 #define SYS_DEV_OPT2 6 #define SYS_DEV_DTOP 7 #define SYS_DEV_ISDN 8 #define SYS_DEV_FDC 9 #define SYS_DEV_BOGUS -1 #define MAX_DEV_NCOOKIES 10 struct pmax_intrhand { LIST_ENTRY(pmax_intrhand) ih_q; int (*ih_func)(void *); void *ih_arg; }; #include <mips/softintr.h> extern struct evcnt pmax_clock_evcnt; extern struct evcnt pmax_fpu_evcnt; extern struct evcnt pmax_memerr_evcnt; void intr_init(void); #endif /* !_LOCORE */ #endif /* _KERNEL */ #endif /* !_PMAX_INTR_H_ */