1 /* $NetBSD: intr.h,v 1.10 2007/12/03 15:34:21 ad 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_SOFTBIO 1 /* block I/O */ 49 #define IPL_SOFTAUDIO 4 /* second-level audio */ 50 #define IPL_SOFTFDC 4 /* second-level floppy */ 51 #define IPL_SOFTSERIAL 6 /* serial */ 52 #define IPL_VM 7 /* memory allocation */ 53 #define IPL_SCHED 11 /* scheduler */ 54 #define IPL_HIGH 15 /* everything */ 55 56 /* 57 * fd hardware, ts102, and tadpole microcontoller interrupts are at level 11 58 */ 59 60 #define IPL_FD IPL_SCHED 61 #define IPL_TS102 IPL_SCHED 62 63 /* 64 * zs hardware interrupts are at level 12 65 * su (com) hardware interrupts are at level 13 66 * IPL_SERIAL must protect them all. 67 */ 68 69 #define IPL_ZS IPL_HIGH 70 71 #if defined(_KERNEL) && !defined(_LOCORE) 72 void * 73 sparc_softintr_establish(int level, void (*fun)(void *), void *arg); 74 75 void 76 sparc_softintr_disestablish(void *cookie); 77 78 /* 79 * NB that sparc_softintr_schedule() casts the cookie to an int *. 80 * This is to get the sic_pilreq member of the softintr_cookie 81 * structure, which is otherwise internal to intr.c. 82 */ 83 #if defined(SUN4M) || defined(SUN4D) 84 extern void raise(int, int); 85 #if !(defined(SUN4) || defined(SUN4C)) 86 #define sparc_softintr_schedule(cookie) raise(0, *((int *) (cookie))) 87 #else /* both defined */ 88 #define sparc_softintr_schedule(cookie) do { \ 89 if (CPU_ISSUN4M || CPU_ISSUN4D) \ 90 raise(0, *((int *)(cookie))); \ 91 else \ 92 ienab_bis(*((int *)(cookie))); \ 93 } while (0) 94 #endif /* SUN4 || SUN4C */ 95 #else /* SUN4M || SUN4D */ 96 #define sparc_softintr_schedule(cookie) ienab_bis(*((int *) (cookie))) 97 #endif /* SUN4M || SUN4D */ 98 99 #if 0 100 void sparc_softintr_schedule(void *cookie); 101 #endif 102 #endif /* KERNEL && !_LOCORE */ 103