mirror of
git://sourceware.org/git/lvm2.git
synced 2024-12-21 13:34:40 +03:00
fcbef05aae
Hmm rpmlint suggest fsf is using a different address these days, so lets keep it up-to-date
109 lines
3.4 KiB
C
109 lines
3.4 KiB
C
/*
|
|
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
|
|
* Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved.
|
|
*
|
|
* This file is part of LVM2.
|
|
*
|
|
* This copyrighted material is made available to anyone wishing to use,
|
|
* modify, copy, or redistribute it subject to the terms and conditions
|
|
* of the GNU Lesser General Public License v.2.1.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this program; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef _LVM_XLATE_H
|
|
#define _LVM_XLATE_H
|
|
|
|
#ifdef __linux__
|
|
# include <endian.h>
|
|
# include <byteswap.h>
|
|
#else
|
|
# include <machine/endian.h>
|
|
# define bswap_16(x) (((x) & 0x00ffU) << 8 | \
|
|
((x) & 0xff00U) >> 8)
|
|
# define bswap_32(x) (((x) & 0x000000ffU) << 24 | \
|
|
((x) & 0xff000000U) >> 24 | \
|
|
((x) & 0x0000ff00U) << 8 | \
|
|
((x) & 0x00ff0000U) >> 8)
|
|
# define bswap_64(x) (((x) & 0x00000000000000ffULL) << 56 | \
|
|
((x) & 0xff00000000000000ULL) >> 56 | \
|
|
((x) & 0x000000000000ff00ULL) << 40 | \
|
|
((x) & 0x00ff000000000000ULL) >> 40 | \
|
|
((x) & 0x0000000000ff0000ULL) << 24 | \
|
|
((x) & 0x0000ff0000000000ULL) >> 24 | \
|
|
((x) & 0x00000000ff000000ULL) << 8 | \
|
|
((x) & 0x000000ff00000000ULL) >> 8)
|
|
#endif
|
|
|
|
#if BYTE_ORDER == LITTLE_ENDIAN
|
|
/* New clearer variants. */
|
|
#define le16_to_cpu(x) (x)
|
|
#define le32_to_cpu(x) (x)
|
|
#define le64_to_cpu(x) (x)
|
|
#define cpu_to_le16(x) (x)
|
|
#define cpu_to_le32(x) (x)
|
|
#define cpu_to_le64(x) (x)
|
|
#define be16_to_cpu(x) bswap_16(x)
|
|
#define be32_to_cpu(x) bswap_32(x)
|
|
#define be64_to_cpu(x) bswap_64(x)
|
|
#define cpu_to_be16(x) bswap_16(x)
|
|
#define cpu_to_be32(x) bswap_32(x)
|
|
#define cpu_to_be64(x) bswap_64(x)
|
|
/* Old alternative variants. */
|
|
#define xlate16(x) (x)
|
|
#define xlate32(x) (x)
|
|
#define xlate64(x) (x)
|
|
#define xlate16_be(x) bswap_16(x)
|
|
#define xlate32_be(x) bswap_32(x)
|
|
#define xlate64_be(x) bswap_64(x)
|
|
|
|
#elif BYTE_ORDER == BIG_ENDIAN
|
|
/* New clearer variants. */
|
|
#define le16_to_cpu(x) bswap_16(x)
|
|
#define le32_to_cpu(x) bswap_32(x)
|
|
#define le64_to_cpu(x) bswap_64(x)
|
|
#define cpu_to_le16(x) bswap_16(x)
|
|
#define cpu_to_le32(x) bswap_32(x)
|
|
#define cpu_to_le64(x) bswap_64(x)
|
|
#define be16_to_cpu(x) (x)
|
|
#define be32_to_cpu(x) (x)
|
|
#define be64_to_cpu(x) (x)
|
|
#define cpu_to_be16(x) (x)
|
|
#define cpu_to_be32(x) (x)
|
|
#define cpu_to_be64(x) (x)
|
|
/* Old alternative variants. */
|
|
#define xlate16(x) bswap_16(x)
|
|
#define xlate32(x) bswap_32(x)
|
|
#define xlate64(x) bswap_64(x)
|
|
#define xlate16_be(x) (x)
|
|
#define xlate32_be(x) (x)
|
|
#define xlate64_be(x) (x)
|
|
|
|
#else
|
|
#include <asm/byteorder.h>
|
|
/* New clearer variants. */
|
|
#define le16_to_cpu(x) __le16_to_cpu(x)
|
|
#define le32_to_cpu(x) __le32_to_cpu(x)
|
|
#define le64_to_cpu(x) __le64_to_cpu(x)
|
|
#define cpu_to_le16(x) __cpu_to_le16(x)
|
|
#define cpu_to_le32(x) __cpu_to_le32(x)
|
|
#define cpu_to_le64(x) __cpu_to_le64(x)
|
|
#define be16_to_cpu(x) __be16_to_cpu(x)
|
|
#define be32_to_cpu(x) __be32_to_cpu(x)
|
|
#define be64_to_cpu(x) __be64_to_cpu(x)
|
|
#define cpu_to_be16(x) __cpu_to_be16(x)
|
|
#define cpu_to_be32(x) __cpu_to_be32(x)
|
|
#define cpu_to_be64(x) __cpu_to_be64(x)
|
|
/* Old alternative variants. */
|
|
#define xlate16(x) __cpu_to_le16(x)
|
|
#define xlate32(x) __cpu_to_le32(x)
|
|
#define xlate64(x) __cpu_to_le64(x)
|
|
#define xlate16_be(x) __cpu_to_be16(x)
|
|
#define xlate32_be(x) __cpu_to_be32(x)
|
|
#define xlate64_be(x) __cpu_to_be64(x)
|
|
#endif
|
|
|
|
#endif
|