1 /* $NetBSD: intr.h,v 1.7 2003/06/16 20:01:05 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Paul Kranenburg. 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 /* 40 * Device class interrupt levels 41 * Note: sun4 and sun4c hardware only has software interrupt available 42 * on level 1, 4 or 6. This limits the choice of the various 43 * IPL_SOFT* symbols to one of those three values. 44 */ 45 #define IPL_NONE 0 /* nothing */ 46 #define IPL_SOFTCLOCK 1 /* timeouts */ 47 #define IPL_SOFTNET 1 /* protocol stack */ 48 #define IPL_SOFTAUDIO 4 /* second-level audio */ 49 #define IPL_SOFTFDC 4 /* second-level floppy */ 50 #define IPL_BIO 5 /* block I/O */ 51 #define IPL_TTY 6 /* terminal */ 52 #define IPL_SOFTSERIAL 6 /* serial */ 53 #define IPL_VM 7 /* memory allocation */ 54 #define IPL_NET 7 /* network */ 55 #define IPL_CLOCK 10 /* clock */ 56 #define IPL_SCHED 11 /* scheduler */ 57 #define IPL_AUDIO 13 /* audio */ 58 #define IPL_SERIAL 13 /* serial */ 59 #define IPL_STATCLOCK 14 /* statclock */ 60 #define IPL_HIGH 15 /* everything */ 61 62 #if defined(_KERNEL) && !defined(_LOCORE) 63 void * 64 softintr_establish(int level, void (*fun)(void *), void *arg); 65 66 void 67 softintr_disestablish(void *cookie); 68 69 /* 70 * NB that softintr_schedule() casts the cookie to an int *. 71 * This is to get the sic_pilreq member of the softintr_cookie 72 * structure, which is otherwise internal to intr.c. 73 */ 74 #if defined(SUN4M) || defined(SUN4D) 75 extern void raise __P((int, int)); 76 #if !(defined(SUN4) || defined(SUN4C)) 77 #define softintr_schedule(cookie) raise(0, *((int *) (cookie))) 78 #else /* both defined */ 79 #define softintr_schedule(cookie) do { \ 80 if (CPU_ISSUN4M || CPU_ISSUN4D) \ 81 raise(0, *((int *)(cookie))); \ 82 else \ 83 ienab_bis(*((int *)(cookie))); \ 84 } while (0) 85 #endif /* SUN4 || SUN4C */ 86 #else /* SUN4M || SUN4D */ 87 #define softintr_schedule(cookie) ienab_bis(*((int *) (cookie))) 88 #endif /* SUN4M || SUN4D */ 89 90 #if 0 91 void softintr_schedule(void *cookie); 92 #endif 93 #endif /* KERNEL && !_LOCORE */ 94