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      1 /* $NetBSD: altmemvar.h,v 1.1 2009/03/12 00:15:07 jmcneill Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2009 Jared D. McNeill <jmcneill (at) 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 */
     45