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      1 /*	$NetBSD: v7fs_endian.h,v 1.1 2011/06/27 11:52:24 uch Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2011 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by UCHIYAMA Yasushi.
      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 #ifndef _V7FS_ENDIAN_H_
     33 #define	_V7FS_ENDIAN_H_
     34 
     35 struct v7fs_self;
     36 __BEGIN_DECLS;
     37 v7fs_daddr_t val24_normal_order_read(uint8_t *);
     38 void val24_normal_order_write(v7fs_daddr_t, uint8_t *);
     39 __END_DECLS
     40 #ifdef V7FS_EI
     41 #define	V7FS_VAL32(x, v)	((*(x)->val.conv32)(v))
     42 #define	V7FS_VAL16(x, v)	((*(x)->val.conv16)(v))
     43 #define	V7FS_VAL24_READ(x, a)	((*(x)->val.conv24read)(a))
     44 #define	V7FS_VAL24_WRITE(x, v, a) ((*(x)->val.conv24write)(v, a))
     45 void v7fs_endian_init(struct v7fs_self *);
     46 #else
     47 #define	V7FS_VAL32(x, v)	(v)
     48 #define	V7FS_VAL16(x, v)	(v)
     49 #define	V7FS_VAL24_READ(x, a)	(val24_normal_order_read(a))
     50 #define	V7FS_VAL24_WRITE(x, v, a) (val24_normal_order_write(v, a))
     51 #endif /*V7FS_EI */
     52 #endif /*!_V7FS_ENDIAN_H_ */
     53