/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1999 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <sys/byteorder.h>
/*
* functions to convert between host format and scsi format
*/
void
scsi_htos_3byte(unchar *ap, ulong nav)
{
*(ushort *)ap = (ushort)(((nav & 0xff0000) >> 16) | (nav & 0xff00));
ap[2] = (unchar)nav;
}
void
scsi_htos_long(unchar *ap, ulong niv)
{
*(ulong *)ap = htonl(niv);
}
void
scsi_htos_short(unchar *ap, ushort nsv)
{
*(ushort *)ap = htons(nsv);
}
ulong
scsi_stoh_3byte(unchar *ap)
{
register ulong av = *(ulong *)ap;
return (((av & 0xff) << 16) | (av & 0xff00) | ((av & 0xff0000) >> 16));
}
ulong
scsi_stoh_long(ulong ai)
{
return (ntohl(ai));
}
ushort
scsi_stoh_short(ushort as)
{
return (ntohs(as));
}