1 /* $NetBSD: spl.h,v 1.9 2009/03/07 21:59:25 ad Exp $ */ 2 3 /*- 4 * Copyright (c)2005 YAMAMOTO Takashi, 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 /* 30 * this header is intended to be included by MD header. 31 * 32 * an assumption: makeiplcookie() is reasonably fast. 33 * if it isn't the case for your port, it's better to have MD optimized 34 * splxxx() functions, rather than using this header. 35 */ 36 37 #if !defined(_KERNEL) && !defined(_KMEMUSER) 38 #error not supposed to be exposed to userland. 39 #endif /* !defined(_KERNEL) && !defined(_KMEMUSER) */ 40 41 #define _SPL_DECL(x, X) \ 42 static __inline int \ 43 spl##x(void) \ 44 { return splraiseipl(makeiplcookie(IPL_##X)); } 45 46 #if defined(IPL_SOFTCLOCK) 47 _SPL_DECL(softclock, SOFTCLOCK) 48 #endif /* defined(IPL_SOFTCLOCK) */ 49 #if defined(IPL_SOFTNET) 50 _SPL_DECL(softnet, SOFTNET) 51 #endif /* defined(IPL_SOFTNET) */ 52 #if defined(IPL_SOFTSERIAL) 53 _SPL_DECL(softserial, SOFTSERIAL) 54 #endif /* defined(IPL_SOFTSERIAL) */ 55 56 _SPL_DECL(vm, VM) 57 _SPL_DECL(sched, SCHED) 58 _SPL_DECL(high, HIGH) 59 60 #undef _SPL_DECL 61