4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, Whamcloud, Inc.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
37 #ifndef __LINUX_OBD_CKSUM
38 #define __LINUX_OBD_CKSUM
41 #error Do not #include this file directly. #include <obd_chsum.h> instead
44 #include <libcfs/libcfs.h>
46 /* Prefer the kernel's version, if it exports it, because it might be
47 * optimized for this CPU. */
48 #if defined(__KERNEL__) && (defined(CONFIG_CRC32) || defined(CONFIG_CRC32_MODULE))
49 # include <linux/crc32.h>
50 # define HAVE_ARCH_CRC32
54 # include <linux/zutil.h>
58 # define adler32(a,b,l) zlib_adler32(a,b,l)
59 #else /* __KERNEL__ */
63 #endif /*! __KERNEL__ */