lib/libkvm/kvm_m68k.h

   1 /*      $NetBSD: kvm_m68k.h,v 1.6 2010/09/20 23:23:16 jym Exp $ */
   2
   3 /*-
   4  * Copyright (c) 1997 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Gordon W. Ross and Jason R. Thorpe.
   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 struct kvm_ops {
  33         int   (*initvtop)(kvm_t *);
  34         void  (*freevtop)(kvm_t *);
  35         int   (*kvatop)  (kvm_t *, vaddr_t, paddr_t *);
  36         off_t (*pa2off)  (kvm_t *, paddr_t);
  37 };
  38
  39 struct vmstate {
  40         struct kvm_ops *ops;    /* ops vector */
  41         u_int32_t pgshift;      /* log2(page_size) */
  42         u_int32_t pgofset;      /* mask to find offset into page */
  43         void *private;          /* private to the bottom layer */
  44 };
  45
  46 extern struct kvm_ops _kvm_ops_cmn;
  47 extern struct kvm_ops _kvm_ops_sun2;
  48 extern struct kvm_ops _kvm_ops_sun3;
  49 extern struct kvm_ops _kvm_ops_sun3x;