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LU-241 Support crc32c with hardware accelerated instruction as one of lustre checksums
[fs/lustre-release.git] / lustre / include / linux / obd_support.h
index d271fb6..1443051 100644 (file)
@@ -1,88 +1,74 @@
 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
  * vim:expandtab:shiftwidth=8:tabstop=8:
  *
- *  Copyright (C) 2001, 2002 Cluster File Systems, Inc.
+ * GPL HEADER START
  *
- *   This file is part of Lustre, http://www.lustre.org.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
- *   Lustre is free software; you can redistribute it and/or
- *   modify it under the terms of version 2 of the GNU General Public
- *   License as published by the Free Software Foundation.
+ * 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.
  *
- *   Lustre 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 for more details.
+ * 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
- *   along with Lustre; if not, write to the Free Software
- *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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
-#define _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 unsigned long obd_memory;
-extern unsigned long obd_drop_packet;
-
-enum {
-        OBD_INST_MDS_GETATTR = 1,
-        OBD_INST_MDS_READPAGE,
-        OBD_INST_MDS_READPAGE_BULK,
-        OBD_INST_MDS_REINT,
-        OBD_INST_MDS_OPEN,
-        OBD_INST_MDS_CLOSE,
-        OBD_INST_OST_CONNECT,
-        OBD_INST_OST_DISCONNECT,
-        OBD_INST_OST_GET_INFO,
-        OBD_INST_OST_CREATE,
-        OBD_INST_OST_DESTROY,
-        OBD_INST_OST_GETATTR,
-        OBD_INST_OST_SETATTR,
-        OBD_INST_OST_OPEN,
-        OBD_INST_OST_CLOSE,
-        OBD_INST_OST_BRW,
-        OBD_INST_OST_PUNCH
-};
-
-#define OBD_CHECK_DROP_PACKET(req, id)                                  \
-do {                                                                    \
-        if (obd_drop_packet != id)                                      \
-                break;                                                  \
-                                                                        \
-        CDEBUG(D_OTHER, "obd_drop_packet=%d, dropping packet.\n", id);  \
-        ptlrpc_free_req(req);                                           \
-        RETURN(0);                                                      \
-} while(0)
+#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 {                                                            \
-        long s = (size);                                        \
-        (ptr) = kmalloc(s, GFP_KERNEL);                         \
-        if ((ptr) == NULL) {                                    \
-                CERROR("kernel malloc of %ld bytes failed at "  \
-                       "%s:%d\n", s, __FILE__, __LINE__);       \
-        } else {                                                \
-                memset((ptr), 0, s);                            \
-                obd_memory += s;                                \
-        }                                                       \
-        CDEBUG(D_MALLOC, "kmalloced: %ld at %x (tot %ld).\n",   \
-               s, (int)(ptr), obd_memory);                      \
-} while (0)
 
-#define OBD_FREE(ptr, size)                                     \
-do {                                                            \
-        int s = (size);                                         \
-        kfree((ptr));                                           \
-        CDEBUG(D_MALLOC, "kfreed: %d at %x (tot %ld).\n",       \
-               s, (int)(ptr), obd_memory);                      \
-        obd_memory -= s;                                        \
-} 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