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ipivar.h revision 1.2.4.2 
      1 /* $NetBSD: ipivar.h,v 1.2.4.2 2007/10/23 20:36:20 ad 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 1.2.4.2 2007/10/23 20:36:20 ad 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