1 /* $NetBSD: intr.h,v 1.9 2007/03/11 05:22:25 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Tohru Nishimura. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _MACHINE_INTR_H 40 #define _MACHINE_INTR_H 41 42 #ifdef _KERNEL 43 44 /* 45 * spl functions; all but spl0 are done in-line 46 */ 47 #include <machine/psl.h> 48 49 #define splnone() spl0() 50 #define splsoft() splraise1() 51 #define splsoftclock() splsoft() 52 #define splsoftnet() splsoft() 53 #define splsoftserial() splsoft() 54 #define splbio() splraise2() 55 #define splnet() splraise3() 56 #define spltty() splraise6() 57 #define splclock() splraise5() 58 #define splstatclock() splraise5() 59 #define splvm() spl7() 60 #define splhigh() spl7() 61 #define splsched() spl7() 62 #define spllock() spl7() 63 64 /* watch out for side effects */ 65 #define splx(s) ((s) & PSL_IPL ? _spl(s) : spl0()) 66 67 int spl0 __P((void)); 68 69 #define IPL_NONE 0 70 #define IPL_SOFTCLOCK 1 71 #define IPL_SOFTNET 2 72 #define IPL_SOFTSERIAL 3 73 #define IPL_SOFT 4 74 #define IPL_BIO 5 75 #define IPL_NET 6 76 #define IPL_CLOCK 7 77 #define IPL_STATCLOCK 8 78 #define IPL_TTY 9 79 #define IPL_VM 10 80 #define IPL_SCHED 11 81 #define IPL_HIGH 12 82 #define IPL_LOCK 13 83 #define NIPL 14 84 85 extern const int ipl2spl_table[NIPL]; 86 87 typedef int ipl_t; 88 typedef struct { 89 uint16_t _spl; 90 } ipl_cookie_t; 91 92 static inline ipl_cookie_t 93 makeiplcookie(ipl_t ipl) 94 { 95 96 return (ipl_cookie_t){._spl = ipl2spl_table[ipl]}; 97 } 98 99 static inline int 100 splraiseipl(ipl_cookie_t icookie) 101 { 102 103 return _splraise(icookie._spl); 104 } 105 106 #include <m68k/softintr.h> 107 108 #endif /* _KERNEL */ 109 110 #endif /* _MACHINE_INTR_H */ 111