1 /* $NetBSD: ipivar.h,v 1.2 2007/10/17 19:56:45 garbled Exp $ */ 2 /*- 3 * Copyright (c) 2007 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Tim Rightnour 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the NetBSD 20 * Foundation, Inc. and its contributors. 21 * 4. Neither the name of The NetBSD Foundation nor the names of its 22 * contributors may be used to endorse or promote products derived 23 * from this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 #include <sys/cdefs.h> 39 __KERNEL_RCSID(0, "$NetBSD: ipivar.h,v 1.2 2007/10/17 19:56:45 garbled Exp $"); 40 41 #ifndef _IPI_VAR_H_ 42 #define _IPI_VAR_H_ 43 44 #include <machine/intr.h> 45 46 struct ipi_ops { 47 void (*ppc_send_ipi)(int, u_long); 48 /* type, level, arg */ 49 void (*ppc_establish_ipi)(int, int, void *); 50 int ppc_ipi_vector; 51 }; 52 53 /* target macros, 0+ are real cpu numbers */ 54 #define IPI_T_ALL -2 55 #define IPI_T_NOTME -1 56 57 #define PPC_IPI_NOMESG 0x0000 58 #define PPC_IPI_HALT 0x0001 59 #define PPC_IPI_FLUSH_FPU 0x0002 60 #define PPC_IPI_FLUSH_VEC 0x0004 61 62 /* OpenPIC */ 63 void setup_openpic_ipi(void); 64 65 /* IPI Handler */ 66 int ppcipi_intr(void *); 67 68 /* convenience */ 69 extern struct ipi_ops ipiops; 70 71 static inline void 72 ppc_send_ipi(int cpuid, u_long msg) 73 { 74 ipiops.ppc_send_ipi(cpuid, msg); 75 } 76 77 78 #endif /*_IPI_VAR_H_*/ 79