-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
*
- * Copyright (C) 2001, 2002 Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * This file is part of Lustre, http://www.lustre.org.
+ * 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 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 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).
*
- * 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.
+ * 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
*
- * 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.
+ * 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.
+ *
+ * Copyright (c) 2011, Whamcloud, Inc.
+ */
+/*
+ * 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__
-#include <linux/config.h>
-#include <linux/autoconf.h>
+#include <asm/cpufeature.h>
+#include <asm/processor.h>
+#include <linux/seq_file.h>
+#include <linux/module.h>
#include <linux/slab.h>
#include <linux/highmem.h>
+#include <linux/swap.h>
#endif
-#include <linux/kp30.h>
+#include <libcfs/libcfs.h>
#include <linux/lustre_compat25.h>
+#include <lustre/lustre_idl.h>
-/* global variables */
-extern atomic_t obd_memory;
-extern int obd_memmax;
-extern unsigned int obd_fail_loc;
-extern unsigned int obd_timeout;
-extern char obd_lustre_upcall[128];
-extern unsigned int obd_sync_filter;
-
-#define OBD_FAIL_MDS 0x100
-#define OBD_FAIL_MDS_HANDLE_UNPACK 0x101
-#define OBD_FAIL_MDS_GETATTR_NET 0x102
-#define OBD_FAIL_MDS_GETATTR_PACK 0x103
-#define OBD_FAIL_MDS_READPAGE_NET 0x104
-#define OBD_FAIL_MDS_READPAGE_PACK 0x105
-#define OBD_FAIL_MDS_SENDPAGE 0x106
-#define OBD_FAIL_MDS_REINT_NET 0x107
-#define OBD_FAIL_MDS_REINT_UNPACK 0x108
-#define OBD_FAIL_MDS_REINT_SETATTR 0x109
-#define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
-#define OBD_FAIL_MDS_REINT_CREATE 0x10b
-#define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c
-#define OBD_FAIL_MDS_REINT_UNLINK 0x10d
-#define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e
-#define OBD_FAIL_MDS_REINT_LINK 0x10f
-#define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110
-#define OBD_FAIL_MDS_REINT_RENAME 0x111
-#define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112
-#define OBD_FAIL_MDS_OPEN_NET 0x113
-#define OBD_FAIL_MDS_OPEN_PACK 0x114
-#define OBD_FAIL_MDS_CLOSE_NET 0x115
-#define OBD_FAIL_MDS_CLOSE_PACK 0x116
-#define OBD_FAIL_MDS_CONNECT_NET 0x117
-#define OBD_FAIL_MDS_CONNECT_PACK 0x118
-#define OBD_FAIL_MDS_REINT_NET_REP 0x119
-#define OBD_FAIL_MDS_DISCONNECT_NET 0x11a
-#define OBD_FAIL_MDS_GETSTATUS_NET 0x11b
-#define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c
-#define OBD_FAIL_MDS_STATFS_PACK 0x11d
-#define OBD_FAIL_MDS_STATFS_NET 0x11e
-#define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f
-#define OBD_FAIL_MDS_PIN_NET 0x120
-#define OBD_FAIL_MDS_UNPIN_NET 0x121
-#define OBD_FAIL_MDS_ALL_REPLY_NET 0x122
-#define OBD_FAIL_MDS_ALL_REQUEST_NET 0x123
-#define OBD_FAIL_MDS_SYNC_NET 0x124
-#define OBD_FAIL_MDS_SYNC_PACK 0x125
-#define OBD_FAIL_MDS_DONE_WRITING_NET 0x126
-#define OBD_FAIL_MDS_DONE_WRITING_PACK 0x127
-
-#define OBD_FAIL_OST 0x200
-#define OBD_FAIL_OST_CONNECT_NET 0x201
-#define OBD_FAIL_OST_DISCONNECT_NET 0x202
-#define OBD_FAIL_OST_GET_INFO_NET 0x203
-#define OBD_FAIL_OST_CREATE_NET 0x204
-#define OBD_FAIL_OST_DESTROY_NET 0x205
-#define OBD_FAIL_OST_GETATTR_NET 0x206
-#define OBD_FAIL_OST_SETATTR_NET 0x207
-#define OBD_FAIL_OST_OPEN_NET 0x208
-#define OBD_FAIL_OST_CLOSE_NET 0x209
-#define OBD_FAIL_OST_BRW_NET 0x20a
-#define OBD_FAIL_OST_PUNCH_NET 0x20b
-#define OBD_FAIL_OST_STATFS_NET 0x20c
-#define OBD_FAIL_OST_HANDLE_UNPACK 0x20d
-#define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e
-#define OBD_FAIL_OST_BRW_READ_BULK 0x20f
-#define OBD_FAIL_OST_SYNC_NET 0x210
-#define OBD_FAIL_OST_ALL_REPLY_NET 0x211
-#define OBD_FAIL_OST_ALL_REQUESTS_NET 0x212
-#define OBD_FAIL_OST_LDLM_REPLY_NET 0x213
-#define OBD_FAIL_OST_BRW_PAUSE_BULK 0x214
-
-#define OBD_FAIL_LDLM 0x300
-#define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
-#define OBD_FAIL_LDLM_ENQUEUE 0x302
-#define OBD_FAIL_LDLM_CONVERT 0x303
-#define OBD_FAIL_LDLM_CANCEL 0x304
-#define OBD_FAIL_LDLM_BL_CALLBACK 0x305
-#define OBD_FAIL_LDLM_CP_CALLBACK 0x306
-
-#define OBD_FAIL_OSC 0x400
-#define OBD_FAIL_OSC_BRW_READ_BULK 0x401
-#define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402
-#define OBD_FAIL_OSC_LOCK_BL_AST 0x403
-#define OBD_FAIL_OSC_LOCK_CP_AST 0x404
-#define OBD_FAIL_OSC_MATCH 0x405
-
-#define OBD_FAIL_PTLRPC 0x500
-#define OBD_FAIL_PTLRPC_ACK 0x501
-
-#define OBD_FAIL_OBD_PING_NET 0x600
-#define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601
-#define OBD_FAIL_OBD_LOGD_NET 0x602
-
-/* preparation for a more advanced failure testbed (not functional yet) */
-#define OBD_FAIL_MASK_SYS 0x0000FF00
-#define OBD_FAIL_MASK_LOC (0x000000FF | OBD_FAIL_MASK_SYS)
-#define OBD_FAIL_ONCE 0x80000000
-#define OBD_FAILED 0x40000000
-#define OBD_FAIL_MDS_ALL_NET 0x01000000
-#define OBD_FAIL_OST_ALL_NET 0x02000000
-
-#define OBD_FAIL_CHECK(id) (((obd_fail_loc & OBD_FAIL_MASK_LOC) == \
- ((id) & OBD_FAIL_MASK_LOC)) && \
- ((obd_fail_loc & (OBD_FAILED | OBD_FAIL_ONCE))!= \
- (OBD_FAILED | OBD_FAIL_ONCE)))
-
-#define OBD_FAIL_CHECK_ONCE(id) \
-({ int _ret_ = 0; \
- if (OBD_FAIL_CHECK(id)) { \
- CERROR("obd_fail_loc=%x\n", id); \
- obd_fail_loc |= OBD_FAILED; \
- if ((id) & OBD_FAIL_ONCE) \
- obd_fail_loc |= OBD_FAIL_ONCE; \
- _ret_ = 1; \
- } \
- _ret_; \
-})
-
-#define OBD_FAIL_RETURN(id, ret) \
-do { \
- if (OBD_FAIL_CHECK_ONCE(id)) { \
- RETURN(ret); \
- } \
-} while(0)
-
-#define OBD_FAIL_TIMEOUT(id, secs) \
-do { \
- if (OBD_FAIL_CHECK_ONCE(id)) { \
- CERROR("obd_fail_timeout id %x sleeping for %d secs\n", \
- (id), (secs)); \
- set_current_state(TASK_UNINTERRUPTIBLE); \
- schedule_timeout((secs) * HZ); \
- set_current_state(TASK_RUNNING); \
- CERROR("obd_fail_timeout id %x awake\n", (id)); \
- } \
-} while(0)
-
-#define fixme() CDEBUG(D_OTHER, "FIXME\n");
#ifdef __KERNEL__
# include <linux/types.h>
# include <linux/blkdev.h>
-
-
-# if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
-# define BDEVNAME_DECLARE_STORAGE(foo) char foo[BDEVNAME_SIZE]
-# define ll_bdevname(SB, STORAGE) __bdevname(kdev_t_to_nr(SB->s_dev), STORAGE)
-# define ll_lock_kernel lock_kernel()
-# define ll_sbdev(SB) ((SB)->s_bdev)
-void dev_set_rdonly(struct block_device *, int);
-# else
-# define BDEVNAME_DECLARE_STORAGE(foo) char __unused_##foo
-# define ll_sbdev(SB) (kdev_t_to_nr((SB)->s_dev))
-# define ll_bdevname(SB,STORAGE) ((void)__unused_##STORAGE,bdevname(ll_sbdev(SB)))
-# define ll_lock_kernel
-void dev_set_rdonly(kdev_t, int);
-# endif
-
-void dev_clear_rdonly(int);
-
-static inline void OBD_FAIL_WRITE(int id, struct super_block *sb)
-{
- if (OBD_FAIL_CHECK(id)) {
- BDEVNAME_DECLARE_STORAGE(tmp);
- CERROR("obd_fail_loc=%x, fail write operation on %s\n",
- id, ll_bdevname(sb, tmp));
- dev_set_rdonly(ll_sbdev(sb), 2);
- /* We set FAIL_ONCE because we never "un-fail" a device */
- obd_fail_loc |= OBD_FAILED | OBD_FAIL_ONCE;
- }
-}
+# include <lvfs.h>
#else /* !__KERNEL__ */
# define LTIME_S(time) (time)
/* for obd_class.h */
# endif
#endif /* __KERNEL__ */
-extern atomic_t portal_kmemory;
-
-#define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
-do { \
- (ptr) = kmalloc(size, (gfp_mask)); \
- if ((ptr) == NULL) { \
- CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \
- (int)(size), __FILE__, __LINE__); \
- CERROR("%d total bytes allocated by Lustre, %d by Portals\n", \
- atomic_read(&obd_memory), atomic_read(&portal_kmemory));\
- } else { \
- memset(ptr, 0, size); \
- atomic_add(size, &obd_memory); \
- if (atomic_read(&obd_memory) > obd_memmax) \
- obd_memmax = atomic_read(&obd_memory); \
- CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p (tot %d)\n", \
- (int)(size), ptr, atomic_read(&obd_memory)); \
- } \
-} while (0)
-
-#ifndef OBD_GFP_MASK
-# define OBD_GFP_MASK GFP_NOFS
-#endif
-
-#define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, OBD_GFP_MASK)
-#define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_KERNEL)
-
-#ifdef __arch_um__
-# define OBD_VMALLOC(ptr, size) OBD_ALLOC(ptr, size)
-#else
-# define OBD_VMALLOC(ptr, size) \
-do { \
- (ptr) = vmalloc(size); \
- if ((ptr) == NULL) { \
- CERROR("vmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \
- (int)(size), __FILE__, __LINE__); \
- CERROR("%d total bytes allocated by Lustre, %d by Portals\n", \
- atomic_read(&obd_memory), atomic_read(&portal_kmemory));\
- } else { \
- memset(ptr, 0, size); \
- atomic_add(size, &obd_memory); \
- if (atomic_read(&obd_memory) > obd_memmax) \
- obd_memmax = atomic_read(&obd_memory); \
- CDEBUG(D_MALLOC, "vmalloced '" #ptr "': %d at %p (tot %d)\n", \
- (int)(size), ptr, atomic_read(&obd_memory)); \
- } \
-} while (0)
-#endif
-
-#ifdef CONFIG_DEBUG_SLAB
-#define POISON(ptr, c, s) do {} while (0)
-#else
-#define POISON(ptr, c, s) memset(ptr, c, s)
-#endif
-
-#if POISON_BULK
-#define POISON_PAGE(page, val) do { memset(kmap(page), val, PAGE_SIZE); \
- kunmap(page); } while (0)
-#else
-#define POISON_PAGE(page, val) do { } while (0)
-#endif
-
-#define OBD_FREE(ptr, size) \
-do { \
- LASSERT(ptr); \
- atomic_sub(size, &obd_memory); \
- CDEBUG(D_MALLOC, "kfreed '" #ptr "': %d at %p (tot %d).\n", \
- (int)(size), ptr, atomic_read(&obd_memory)); \
- POISON(ptr, 0x5a, size); \
- kfree(ptr); \
- (ptr) = (void *)0xdeadbeef; \
-} while (0)
-
-#ifdef __arch_um__
-# define OBD_VFREE(ptr, size) OBD_FREE(ptr, size)
-#else
-# define OBD_VFREE(ptr, size) \
-do { \
- LASSERT(ptr); \
- atomic_sub(size, &obd_memory); \
- CDEBUG(D_MALLOC, "vfreed '" #ptr "': %d at %p (tot %d).\n", \
- (int)(size), ptr, atomic_read(&obd_memory)); \
- POISON(ptr, 0x5a, size); \
- vfree(ptr); \
- (ptr) = (void *)0xdeadbeef; \
-} while (0)
-#endif
-
-/* we memset() the slab object to 0 when allocation succeeds, so DO NOT
- * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd
- * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
-#define OBD_SLAB_ALLOC(ptr, slab, type, size) \
-do { \
- LASSERT(!in_interrupt()); \
- (ptr) = kmem_cache_alloc(slab, (type)); \
- if ((ptr) == NULL) { \
- CERROR("slab-alloc of '"#ptr"' (%d bytes) failed at %s:%d\n", \
- (int)(size), __FILE__, __LINE__); \
- CERROR("%d total bytes allocated by Lustre, %d by Portals\n", \
- atomic_read(&obd_memory), atomic_read(&portal_kmemory));\
- } else { \
- memset(ptr, 0, size); \
- atomic_add(size, &obd_memory); \
- if (atomic_read(&obd_memory) > obd_memmax) \
- obd_memmax = atomic_read(&obd_memory); \
- CDEBUG(D_MALLOC, "slab-alloced '"#ptr"': %d at %p (tot %d)\n",\
- (int)(size), ptr, atomic_read(&obd_memory)); \
- } \
-} while (0)
-
-#define OBD_SLAB_FREE(ptr, slab, size) \
-do { \
- LASSERT(ptr); \
- CDEBUG(D_MALLOC, "slab-freed '" #ptr "': %d at %p (tot %d).\n", \
- (int)(size), ptr, atomic_read(&obd_memory)); \
- atomic_sub(size, &obd_memory); \
- POISON(ptr, 0x5a, size); \
- kmem_cache_free(slab, ptr); \
- (ptr) = (void *)0xdeadbeef; \
-} while (0)
-
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff