sys/fs/v7fs/v7fs_endian.h

   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_ */