/* $OpenBSD: intr.h,v 1.14 2018/08/20 15:02:07 visa Exp $ */ /* * Copyright (c) 2001 Wasabi Systems, Inc. * All rights reserved. * * Written by Jason R. Thorpe for Wasabi Systems, Inc. * * 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 for the NetBSD Project by * Wasabi Systems, Inc. * 4. The name of Wasabi Systems, Inc. may not be used to endorse * or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC * 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. */ /* * Copyright (C) 2000 Steve Murphree, Jr. * 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. 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 _M88K_INTR_H_ #define _M88K_INTR_H_ #ifdef _KERNEL #ifndef _LOCORE int getipl(void); int setipl(int level); int splraise(int); int spl0(void); /* SPL asserts */ #ifdef DIAGNOSTIC /* * Although this function is implemented in MI code, it must be in this MD * header because we don't want this header to include MI includes. */ void splassert_fail(int, int, const char *); extern int splassert_ctl; void splassert_check(int, const char *); #define splassert(__wantipl) do { \ if (splassert_ctl > 0) { \ splassert_check(__wantipl, __func__); \ } \ } while (0) #define splsoftassert(wantipl) splassert(IPL_SOFTINT) #else #define splassert(wantipl) do { /* nothing */ } while (0) #define splsoftassert(wantipl) do { /* nothing */ } while (0) #endif #endif /* _LOCORE */ #define splsoftclock() splraise(IPL_SOFTINT) #define splsoftnet() splraise(IPL_SOFTINT) #define splbio() splraise(IPL_BIO) #define splnet() splraise(IPL_NET) #define spltty() splraise(IPL_TTY) #define splclock() splraise(IPL_CLOCK) #define splstatclock() splraise(IPL_STATCLOCK) #define splsched() splraise(IPL_SCHED) #define splvm() splraise(IPL_VM) #define splhigh() setipl(IPL_HIGH) #define splx(x) ((x) ? setipl((x)) : spl0()) /* * Generic software interrupt support for all m88k platforms. */ #ifndef _LOCORE #define IPL_SOFT 0 #define IPL_SOFTCLOCK 1 #define IPL_SOFTNET 2 #define IPL_SOFTTTY 3 #define SI_SOFT 0 /* for IPL_SOFT */ #define SI_SOFTCLOCK 1 /* for IPL_SOFTCLOCK */ #define SI_SOFTNET 2 /* for IPL_SOFTNET */ #define SI_SOFTTTY 3 /* for IPL_SOFTTTY */ #define SI_NQUEUES 4 #include #include struct soft_intrhand { TAILQ_ENTRY(soft_intrhand) sih_list; void (*sih_func)(void *); void *sih_arg; struct soft_intrq *sih_siq; int sih_pending; }; struct soft_intrq { TAILQ_HEAD(, soft_intrhand) siq_list; int siq_si; struct mutex siq_mtx; }; void softintr_disestablish(void *); void softintr_dispatch(int); void *softintr_establish(int, void (*)(void *), void *); void softintr_init(void); void softintr_schedule(void *); extern int softpending; #endif /* _LOCORE */ #endif /* _KERNEL */ #endif /* _M88K_INTR_H_ */