sys/arch/powerpc/pic/ipivar.h

   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  *
  18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include <sys/cdefs.h>
  32 __KERNEL_RCSID(0, "$NetBSD: ipivar.h,v 1.2 2007/10/17 19:56:45 garbled Exp $");
  33
  34 #ifndef _IPI_VAR_H_
  35 #define _IPI_VAR_H_
  36
  37 #include <machine/intr.h>
  38
  39 struct ipi_ops {
  40         void (*ppc_send_ipi)(int, u_long);
  41         /* type, level, arg */
  42         void (*ppc_establish_ipi)(int, int, void *);
  43         int ppc_ipi_vector;
  44 };
  45
  46 /* target macros, 0+ are real cpu numbers */
  47 #define IPI_T_ALL       -2
  48 #define IPI_T_NOTME     -1
  49
  50 #define PPC_IPI_NOMESG          0x0000
  51 #define PPC_IPI_HALT            0x0001
  52 #define PPC_IPI_FLUSH_FPU       0x0002
  53 #define PPC_IPI_FLUSH_VEC       0x0004
  54
  55 /* OpenPIC */
  56 void setup_openpic_ipi(void);
  57
  58 /* IPI Handler */
  59 int ppcipi_intr(void *);
  60
  61 /* convenience */
  62 extern struct ipi_ops ipiops;
  63
  64 static inline void
  65 ppc_send_ipi(int cpuid, u_long msg)
  66 {
  67         ipiops.ppc_send_ipi(cpuid, msg);
  68 }
  69
  70
  71 #endif /*_IPI_VAR_H_*/