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/*
* Mach Operating System
* Copyright (c) 1991,1990 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
/*
* File: scsi_endian.h
* Author: Alessandro Forin, Carnegie Mellon University
* Date: 6/91
*
* Byte/Bit order issues are solved here.
*/
#ifndef _SCSI_ENDIAN_H_
#define _SCSI_ENDIAN_H_ 1
/*
* Macros to take care of bitfield placement within a byte.
* It might be possible to extend these to something that
* takes care of multibyte structures, using perhaps the
* type ("t") parameter. Someday.
*/
#if BYTE_MSF
#define BITFIELD_2(t,a,b) t b,a
#define BITFIELD_3(t,a,b,c) t c,b,a
#define BITFIELD_4(t,a,b,c,d) t d,c,b,a
#define BITFIELD_5(t,a,b,c,d,e) t e,d,c,b,a
#define BITFIELD_6(t,a,b,c,d,e,f) t f,e,d,c,b,a
#define BITFIELD_7(t,a,b,c,d,e,f,g) t g,f,e,d,c,b,a
#define BITFIELD_8(t,a,b,c,d,e,f,g,h) t h,g,f,e,d,c,b,a
#else /*BYTE_MSF*/
#define BITFIELD_2(t,a,b) t a,b
#define BITFIELD_3(t,a,b,c) t a,b,c
#define BITFIELD_4(t,a,b,c,d) t a,b,c,d
#define BITFIELD_5(t,a,b,c,d,e) t a,b,c,d,e
#define BITFIELD_6(t,a,b,c,d,e,f) t a,b,c,d,e
#define BITFIELD_7(t,a,b,c,d,e,f,g) t a,b,c,d,e,f,g
#define BITFIELD_8(t,a,b,c,d,e,f,g,h) t a,b,c,d,e,f,g,h
#endif /*BYTE_MSF*/
#endif /*_SCSI_ENDIAN_H_*/
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