LU-241 Support crc32c with hardware accelerated instruction as one of lustre checksums

[fs/lustre-release.git] / lustre / include / linux / obd_support.h

diff --git a/lustre/include/linux/obd_support.h b/lustre/include/linux/obd_support.h
index 17d84a0..1443051 100644 (file)
--- a/lustre/include/linux/obd_support.h
+++ b/lustre/include/linux/obd_support.h
@@ -1,41 +1,74 @@
-#ifndef _OBD_SUPPORT
-#define _OBD_SUPPORT
-/*
- * Copyright (C) 2001  Cluster File Systems, Inc.
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ *
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
  *
- * This code is issued under the GNU General Public License.
- * See the file COPYING in this distribution
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
  */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ */
+
+#ifndef _LINUX_OBD_SUPPORT
+#define _LINUX_OBD_SUPPORT
 
+#ifndef _OBD_SUPPORT
+#error Do not #include this file directly. #include <obd_support.h> instead
+#endif
+
+#ifdef __KERNEL__
+#ifndef AUTOCONF_INCLUDED
+#include <linux/config.h>
+#include <asm/cpufeature.h>
+#include <asm/processor.h>
+#endif
+#include <linux/seq_file.h>
+#include <linux/module.h>
 #include <linux/autoconf.h>
 #include <linux/slab.h>
-#include <linux/kp30.h>
-
-/* global variables */
-extern int obd_debug_level;
-extern int obd_print_entry;
-extern unsigned long obd_memory;
+#include <linux/highmem.h>
+#include <linux/swap.h>
+#endif
+#include <libcfs/libcfs.h>
+#include <linux/lustre_compat25.h>
+#include <lustre/lustre_idl.h>
 
-#define OBD_ALLOC(ptr, size)                                    \
-do {                                                            \
-        (ptr) = kmalloc((unsigned long)(size), GFP_KERNEL);     \
-        if ((ptr) == NULL) {                                    \
-                CERROR("kernel malloc failed at %s:%d\n",       \
-                       __FILE__, __LINE__);                     \
-        } else {                                                \
-                memset((ptr), 0, (size));                       \
-                obd_memory += (size);                           \
-        }                                                       \
-        CDEBUG(D_MALLOC, "kmalloced: %ld at %x (tot %ld).\n",   \
-               (long)(size), (int)(ptr), obd_memory);           \
-} while (0)
 
-#define OBD_FREE(ptr, size)                                  \
-do {                                                         \
-        kfree((ptr));                                        \
-        CDEBUG(D_MALLOC, "kfreed: %d at %x (tot %ld).\n",    \
-               (int)(size), (int)(ptr), obd_memory);         \
-        obd_memory -= (size);                                \
-} while (0)
+#ifdef __KERNEL__
+# include <linux/types.h>
+# include <linux/blkdev.h>
+# include <lvfs.h>
+#else /* !__KERNEL__ */
+# define LTIME_S(time) (time)
+/* for obd_class.h */
+# ifndef ERR_PTR
+#  define ERR_PTR(a) ((void *)(a))
+# endif
+#endif  /* __KERNEL__ */
 
 #endif