1*86d7f5d3SJohn Marino /* $NetBSD: xlate.h,v 1.1.1.1 2008/12/22 00:18:44 haad Exp $ */ 2*86d7f5d3SJohn Marino 3*86d7f5d3SJohn Marino /* 4*86d7f5d3SJohn Marino * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved. 5*86d7f5d3SJohn Marino * Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved. 6*86d7f5d3SJohn Marino * 7*86d7f5d3SJohn Marino * This file is part of LVM2. 8*86d7f5d3SJohn Marino * 9*86d7f5d3SJohn Marino * This copyrighted material is made available to anyone wishing to use, 10*86d7f5d3SJohn Marino * modify, copy, or redistribute it subject to the terms and conditions 11*86d7f5d3SJohn Marino * of the GNU Lesser General Public License v.2.1. 12*86d7f5d3SJohn Marino * 13*86d7f5d3SJohn Marino * You should have received a copy of the GNU Lesser General Public License 14*86d7f5d3SJohn Marino * along with this program; if not, write to the Free Software Foundation, 15*86d7f5d3SJohn Marino * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16*86d7f5d3SJohn Marino */ 17*86d7f5d3SJohn Marino 18*86d7f5d3SJohn Marino #ifndef _LVM_XLATE_H 19*86d7f5d3SJohn Marino #define _LVM_XLATE_H 20*86d7f5d3SJohn Marino 21*86d7f5d3SJohn Marino #ifdef linux 22*86d7f5d3SJohn Marino # include <endian.h> 23*86d7f5d3SJohn Marino # include <byteswap.h> 24*86d7f5d3SJohn Marino #else 25*86d7f5d3SJohn Marino # include <machine/endian.h> 26*86d7f5d3SJohn Marino # define bswap_16(x) (((x) & 0x00ffU) << 8 | \ 27*86d7f5d3SJohn Marino ((x) & 0xff00U) >> 8) 28*86d7f5d3SJohn Marino # define bswap_32(x) (((x) & 0x000000ffU) << 24 | \ 29*86d7f5d3SJohn Marino ((x) & 0xff000000U) >> 24 | \ 30*86d7f5d3SJohn Marino ((x) & 0x0000ff00U) << 8 | \ 31*86d7f5d3SJohn Marino ((x) & 0x00ff0000U) >> 8) 32*86d7f5d3SJohn Marino # define bswap_64(x) (((x) & 0x00000000000000ffULL) << 56 | \ 33*86d7f5d3SJohn Marino ((x) & 0xff00000000000000ULL) >> 56 | \ 34*86d7f5d3SJohn Marino ((x) & 0x000000000000ff00ULL) << 40 | \ 35*86d7f5d3SJohn Marino ((x) & 0x00ff000000000000ULL) >> 40 | \ 36*86d7f5d3SJohn Marino ((x) & 0x0000000000ff0000ULL) << 24 | \ 37*86d7f5d3SJohn Marino ((x) & 0x0000ff0000000000ULL) >> 24 | \ 38*86d7f5d3SJohn Marino ((x) & 0x00000000ff000000ULL) << 8 | \ 39*86d7f5d3SJohn Marino ((x) & 0x000000ff00000000ULL) >> 8) 40*86d7f5d3SJohn Marino #endif 41*86d7f5d3SJohn Marino 42*86d7f5d3SJohn Marino #if BYTE_ORDER == LITTLE_ENDIAN 43*86d7f5d3SJohn Marino # define xlate16(x) (x) 44*86d7f5d3SJohn Marino # define xlate32(x) (x) 45*86d7f5d3SJohn Marino # define xlate64(x) (x) 46*86d7f5d3SJohn Marino # define xlate16_be(x) bswap_16(x) 47*86d7f5d3SJohn Marino # define xlate32_be(x) bswap_32(x) 48*86d7f5d3SJohn Marino # define xlate64_be(x) bswap_64(x) 49*86d7f5d3SJohn Marino #elif BYTE_ORDER == BIG_ENDIAN 50*86d7f5d3SJohn Marino # define xlate16(x) bswap_16(x) 51*86d7f5d3SJohn Marino # define xlate32(x) bswap_32(x) 52*86d7f5d3SJohn Marino # define xlate64(x) bswap_64(x) 53*86d7f5d3SJohn Marino # define xlate16_be(x) (x) 54*86d7f5d3SJohn Marino # define xlate32_be(x) (x) 55*86d7f5d3SJohn Marino # define xlate64_be(x) (x) 56*86d7f5d3SJohn Marino #else 57*86d7f5d3SJohn Marino # include <asm/byteorder.h> 58*86d7f5d3SJohn Marino # define xlate16(x) __cpu_to_le16((x)) 59*86d7f5d3SJohn Marino # define xlate32(x) __cpu_to_le32((x)) 60*86d7f5d3SJohn Marino # define xlate64(x) __cpu_to_le64((x)) 61*86d7f5d3SJohn Marino # define xlate16_be(x) __cpu_to_be16((x)) 62*86d7f5d3SJohn Marino # define xlate32_be(x) __cpu_to_be32((x)) 63*86d7f5d3SJohn Marino # define xlate64_be(x) __cpu_to_be64((x)) 64*86d7f5d3SJohn Marino #endif 65*86d7f5d3SJohn Marino 66*86d7f5d3SJohn Marino #endif 67