| 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 | |