1 /* $NetBSD: intr.h,v 1.11 2008/04/28 20:23:36 martin 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Device class interrupt levels 34 * Note: sun4 and sun4c hardware only has software interrupt available 35 * on level 1, 4 or 6. This limits the choice of the various 36 * IPL_SOFT* symbols to one of those three values. 37 */ 38 #define IPL_NONE 0 /* nothing */ 39 #define IPL_SOFTCLOCK 1 /* timeouts */ 40 #define IPL_SOFTNET 1 /* protocol stack */ 41 #define IPL_SOFTBIO 1 /* block I/O */ 42 #define IPL_SOFTAUDIO 4 /* second-level audio */ 43 #define IPL_SOFTFDC 4 /* second-level floppy */ 44 #define IPL_SOFTSERIAL 6 /* serial */ 45 #define IPL_VM 7 /* memory allocation */ 46 #define IPL_SCHED 11 /* scheduler */ 47 #define IPL_HIGH 15 /* everything */ 48 49 /* 50 * fd hardware, ts102, and tadpole microcontoller interrupts are at level 11 51 */ 52 53 #define IPL_FD IPL_SCHED 54 #define IPL_TS102 IPL_SCHED 55 56 /* 57 * zs hardware interrupts are at level 12 58 * su (com) hardware interrupts are at level 13 59 * IPL_SERIAL must protect them all. 60 */ 61 62 #define IPL_ZS IPL_HIGH 63 64 #if defined(_KERNEL) && !defined(_LOCORE) 65 void * 66 sparc_softintr_establish(int level, void (*fun)(void *), void *arg); 67 68 void 69 sparc_softintr_disestablish(void *cookie); 70 71 /* 72 * NB that sparc_softintr_schedule() casts the cookie to an int *. 73 * This is to get the sic_pilreq member of the softintr_cookie 74 * structure, which is otherwise internal to intr.c. 75 */ 76 #if defined(SUN4M) || defined(SUN4D) 77 extern void raise(int, int); 78 #if !(defined(SUN4) || defined(SUN4C)) 79 #define sparc_softintr_schedule(cookie) raise(0, *((int *) (cookie))) 80 #else /* both defined */ 81 #define sparc_softintr_schedule(cookie) do { \ 82 if (CPU_ISSUN4M || CPU_ISSUN4D) \ 83 raise(0, *((int *)(cookie))); \ 84 else \ 85 ienab_bis(*((int *)(cookie))); \ 86 } while (0) 87 #endif /* SUN4 || SUN4C */ 88 #else /* SUN4M || SUN4D */ 89 #define sparc_softintr_schedule(cookie) ienab_bis(*((int *) (cookie))) 90 #endif /* SUN4M || SUN4D */ 91 92 #if 0 93 void sparc_softintr_schedule(void *cookie); 94 #endif 95 #endif /* KERNEL && !_LOCORE */ 96