sys/dev/altmem/altmemvar.h

   1 /* $NetBSD$ */
   2
   3 /*-
   4  * Copyright (c) 2009 Jared D. McNeill <jmcneill@invisible.ca>
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. The name of the author may not be used to endorse or promote products
  13  *    derived from this software without specific prior written permission.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  20  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  21  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  22  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  23  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25  * SUCH DAMAGE.
  26  */
  27
  28 #ifndef _HAVE_DEV_ALTMEM_ALTMEMVAR_H
  29 #define _HAVE_DEV_ALTMEM_ALTMEMVAR_H
  30
  31 #include <sys/types.h>
  32 #include <sys/buf.h>
  33
  34 struct altmem_memops {
  35         size_t  (*getsize)(void *);
  36         void    (*strategy)(void *, struct buf *);
  37 };
  38
  39 struct altmem_attach_args {
  40         void    *cookie;
  41         const struct altmem_memops *memops;
  42 };
  43
  44 #endif /* !_HAVE_DEV_ALTMEM_ALTMEMVAR_H */