184 lines
6.3 KiB
C
184 lines
6.3 KiB
C
/* $NetBSD: intr.h,v 1.10 2007/07/14 21:48:22 ad Exp $ */
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/*
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* Copyright 2001 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Jason R. Thorpe for Wasabi Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (C) 1995-1997 Wolfgang Solfrank.
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* Copyright (C) 1995-1997 TooLs GmbH.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by TooLs GmbH.
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* 4. The name of TooLs GmbH may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _MACHINE_INTR_H_
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#define _MACHINE_INTR_H_
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/* Interrupt priority "levels". */
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#define IPL_NONE 0 /* nothing */
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#define IPL_SOFT 1 /* generic software interrupts */
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#define IPL_SOFTCLOCK 2 /* software clock interrupt */
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#define IPL_SOFTNET 3 /* software network interrupt */
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#define IPL_BIO 4 /* block I/O */
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#define IPL_NET 5 /* network */
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#define IPL_SOFTSERIAL 6 /* software serial interrupt */
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#define IPL_TTY 7 /* terminals */
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#define IPL_VM 8 /* memory allocation */
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#define IPL_AUDIO 9 /* audio device */
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#define IPL_CLOCK 10 /* clock interrupt */
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#define IPL_STATCLOCK IPL_CLOCK
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#define IPL_HIGH 11 /* everything */
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#define IPL_SCHED IPL_HIGH
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#define IPL_LOCK IPL_HIGH
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#define IPL_SERIAL 12 /* serial device */
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#define NIPL 13
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/* Interrupt sharing types. */
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#define IST_NONE 0 /* none */
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#define IST_PULSE 1 /* pulsed */
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#define IST_EDGE 2 /* edge-triggered */
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#define IST_LEVEL 3 /* level-triggered */
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#ifdef _KERNEL
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#ifndef _LOCORE
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#include <powerpc/softintr.h>
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struct clockframe;
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extern int imask[];
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extern long ticks_per_intr;
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extern volatile u_long lasttb;
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struct machvec {
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int (*mvec_splraise)(int);
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int (*mvec_spllower)(int);
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void (*mvec_splx)(int);
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void (*mvec_setsoft)(int);
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void (*mvec_clock_return)(struct clockframe *, int, long);
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void *(*mvec_intr_establish)(int, int, int, int (*)(void *), void *);
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void (*mvec_intr_disestablish)(void *);
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};
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extern struct machvec machine_interface;
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#define _splraise(x) ((*machine_interface.mvec_splraise)(x))
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#define _spllower(x) ((*machine_interface.mvec_spllower)(x))
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#define splx(x) ((*machine_interface.mvec_splx)(x))
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#define setsoftintr(x) ((*machine_interface.mvec_setsoft)(x))
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#define clock_return(x, y, z) ((*machine_interface.mvec_clock_return)(x, y, z))
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#define intr_establish(irq, lvl, ist, func, arg) \
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((*machine_interface.mvec_intr_establish)((irq), (lvl), (ist), \
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(func), (arg)))
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#define intr_disestablish(cookie) \
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((*machine_interface.mvec_intr_disestablish)((cookie)))
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#define splsoft() _splraise(imask[IPL_SOFT])
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#define spl0() _spllower(imask[IPL_NONE])
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#define setsoftnet() setsoftintr(IPL_SOFTNET)
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#define setsoftclock() setsoftintr(IPL_SOFTCLOCK)
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#define setsoftserial() setsoftintr(IPL_SERIAL)
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/*
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* Software interrupt support.
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*/
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#define SI_SOFT 0 /* for IPL_SOFT */
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#define SI_SOFTCLOCK 1 /* for IPL_SOFTCLOCK */
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#define SI_SOFTNET 2 /* for IPL_SOFTNET */
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#define SI_SOFTSERIAL 3 /* for IPL_SOFTSERIAL */
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#define SI_NQUEUES 4
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#define SI_QUEUENAMES { \
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"generic", \
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"clock", \
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"net", \
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"serial", \
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}
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typedef int ipl_t;
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typedef struct {
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ipl_t _ipl;
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} ipl_cookie_t;
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static inline ipl_cookie_t
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makeiplcookie(ipl_t ipl)
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{
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return (ipl_cookie_t){._ipl = ipl};
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}
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static inline int
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splraiseipl(ipl_cookie_t icookie)
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{
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return _splraise(imask[icookie._ipl]);
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}
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#include <sys/spl.h>
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#endif /* _LOCORE */
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#endif /* _KERNEL */
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#endif /* _MACHINE_INTR_H_ */
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