/* $NetBSD: intr.h,v 1.13.78.1 2023/08/09 17:42:05 martin Exp $ */ /* * Copyright (c) 1988 University of Utah. * Copyright (c) 1982, 1986, 1990, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department. * * 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. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. * * from: Utah $Hdr: machparam.h 1.16 92/12/20$ * * from: @(#)param.h 8.1 (Berkeley) 6/10/93 */ #ifndef _CESFIC_INTR_H_ #define _CESFIC_INTR_H_ /* * spl functions; all but spl0 are done in-line */ #include #if (defined(_KERNEL) || defined(_KMEMUSER)) && !defined(_LOCORE) typedef struct { uint16_t _psl; } ipl_cookie_t; #endif #if defined(_KERNEL) && !defined(_LOCORE) /* spl0 requires checking for software interrupts */ #define spl1() _spl(PSL_S|PSL_IPL1) #define spl2() _spl(PSL_S|PSL_IPL2) #define spl3() _spl(PSL_S|PSL_IPL3) #define spl4() _spl(PSL_S|PSL_IPL4) #define spl5() _spl(PSL_S|PSL_IPL5) #define spl6() _spl(PSL_S|PSL_IPL6) #define spl7() _spl(PSL_S|PSL_IPL7) /* These spl calls are used by machine-independent code. */ #define splsoftclock() splraise1() #define splsoftbio() splraise1() #define splsoftnet() splraise1() #define splsoftserial() splraise1() #define splvm() splraise4() #define splsched() spl6() #define splhigh() spl7() /* watch out for side effects */ #define splx(s) (s & PSL_IPL ? _spl(s) : spl0()) int spl0(void); #define IPL_NONE 0 #define IPL_SOFTCLOCK 1 #define IPL_SOFTBIO 1 #define IPL_SOFTNET 3 #define IPL_SOFTSERIAL 4 #define IPL_VM 5 #define IPL_SCHED 6 #define IPL_HIGH 7 #define NIPL 8 extern const uint16_t ipl2psl_table[NIPL]; typedef int ipl_t; static inline ipl_cookie_t makeiplcookie(ipl_t ipl) { return (ipl_cookie_t){._psl = ipl2psl_table[ipl]}; } static inline int splraiseipl(ipl_cookie_t icookie) { return _splraise(icookie._psl); } #endif /* _KERNEL && !_LOCORE */ #endif /* !_CESFIC_INTR_H_ */