1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright (C) 2001, 2002 Cluster File Systems, Inc.
6 * This file is part of Lustre, http://www.lustre.org.
8 * Lustre is free software; you can redistribute it and/or
9 * modify it under the terms of version 2 of the GNU General Public
10 * License as published by the Free Software Foundation.
12 * Lustre is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Lustre; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include <linux/config.h>
27 #include <linux/autoconf.h>
28 #include <linux/slab.h>
29 #include <linux/highmem.h>
30 #include <linux/kp30.h>
32 /* global variables */
33 extern unsigned long obd_memory;
34 extern unsigned long obd_fail_loc;
35 extern unsigned long obd_timeout;
36 extern char obd_recovery_upcall[128];
38 #define OBD_FAIL_MDS 0x100
39 #define OBD_FAIL_MDS_HANDLE_UNPACK 0x101
40 #define OBD_FAIL_MDS_GETATTR_NET 0x102
41 #define OBD_FAIL_MDS_GETATTR_PACK 0x103
42 #define OBD_FAIL_MDS_READPAGE_NET 0x104
43 #define OBD_FAIL_MDS_READPAGE_PACK 0x105
44 #define OBD_FAIL_MDS_SENDPAGE 0x106
45 #define OBD_FAIL_MDS_REINT_NET 0x107
46 #define OBD_FAIL_MDS_REINT_UNPACK 0x108
47 #define OBD_FAIL_MDS_REINT_SETATTR 0x109
48 #define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
49 #define OBD_FAIL_MDS_REINT_CREATE 0x10b
50 #define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c
51 #define OBD_FAIL_MDS_REINT_UNLINK 0x10d
52 #define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e
53 #define OBD_FAIL_MDS_REINT_LINK 0x10f
54 #define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110
55 #define OBD_FAIL_MDS_REINT_RENAME 0x111
56 #define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112
57 #define OBD_FAIL_MDS_OPEN_NET 0x113
58 #define OBD_FAIL_MDS_OPEN_PACK 0x114
59 #define OBD_FAIL_MDS_CLOSE_NET 0x115
60 #define OBD_FAIL_MDS_CLOSE_PACK 0x116
61 #define OBD_FAIL_MDS_CONNECT_NET 0x117
62 #define OBD_FAIL_MDS_CONNECT_PACK 0x118
63 #define OBD_FAIL_MDS_REINT_NET_REP 0x119
64 #define OBD_FAIL_MDS_DISCONNECT_NET 0x11a
65 #define OBD_FAIL_MDS_GETSTATUS_NET 0x11b
66 #define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c
67 #define OBD_FAIL_MDS_STATFS_PACK 0x11d
68 #define OBD_FAIL_MDS_STATFS_NET 0x11e
70 #define OBD_FAIL_OST 0x200
71 #define OBD_FAIL_OST_CONNECT_NET 0x201
72 #define OBD_FAIL_OST_DISCONNECT_NET 0x202
73 #define OBD_FAIL_OST_GET_INFO_NET 0x203
74 #define OBD_FAIL_OST_CREATE_NET 0x204
75 #define OBD_FAIL_OST_DESTROY_NET 0x205
76 #define OBD_FAIL_OST_GETATTR_NET 0x206
77 #define OBD_FAIL_OST_SETATTR_NET 0x207
78 #define OBD_FAIL_OST_OPEN_NET 0x208
79 #define OBD_FAIL_OST_CLOSE_NET 0x209
80 #define OBD_FAIL_OST_BRW_NET 0x20a
81 #define OBD_FAIL_OST_PUNCH_NET 0x20b
82 #define OBD_FAIL_OST_STATFS_NET 0x20c
83 #define OBD_FAIL_OST_HANDLE_UNPACK 0x20d
84 #define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e
85 #define OBD_FAIL_OST_BRW_READ_BULK 0x20f
87 #define OBD_FAIL_LDLM 0x300
88 #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
89 #define OBD_FAIL_LDLM_ENQUEUE 0x302
90 #define OBD_FAIL_LDLM_CONVERT 0x303
91 #define OBD_FAIL_LDLM_CANCEL 0x304
92 #define OBD_FAIL_LDLM_BL_CALLBACK 0x305
93 #define OBD_FAIL_LDLM_CP_CALLBACK 0x306
95 #define OBD_FAIL_OSC 0x400
96 #define OBD_FAIL_OSC_BRW_READ_BULK 0x401
97 #define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402
98 #define OBD_FAIL_OSC_LOCK_BL_AST 0x403
99 #define OBD_FAIL_OSC_LOCK_CP_AST 0x404
101 /* preparation for a more advanced failure testbed (not functional yet) */
102 #define OBD_FAIL_MASK_SYS 0x0000FF00
103 #define OBD_FAIL_MASK_LOC (0x000000FF | OBD_FAIL_MASK_SYS)
104 #define OBD_FAIL_ONCE 0x80000000
105 #define OBD_FAILED 0x40000000
106 #define OBD_FAIL_MDS_ALL_NET 0x01000000
107 #define OBD_FAIL_OST_ALL_NET 0x02000000
109 #define OBD_FAIL_CHECK(id) ((obd_fail_loc & OBD_FAIL_MASK_LOC) == (id) && \
110 ((obd_fail_loc & (OBD_FAILED | OBD_FAIL_ONCE))!=\
111 (OBD_FAILED | OBD_FAIL_ONCE)))
113 #define OBD_FAIL_RETURN(id, ret) \
115 if (OBD_FAIL_CHECK(id)) { \
116 CERROR("obd_fail_loc=%x, fail operation rc=%d\n", id, ret); \
117 obd_fail_loc |= OBD_FAILED; \
118 if ((id) & OBD_FAIL_ONCE) \
119 obd_fail_loc |= OBD_FAIL_ONCE; \
124 #include <linux/types.h>
125 #include <linux/blkdev.h>
127 #define fixme() CDEBUG(D_OTHER, "FIXME\n");
129 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
130 #define ll_bdevname(a) __bdevname((a))
131 #define ll_lock_kernel lock_kernel()
133 #define ll_lock_kernel
134 #define ll_bdevname(a) bdevname((a))
137 static inline void OBD_FAIL_WRITE(int id, kdev_t dev)
139 if (OBD_FAIL_CHECK(id)) {
140 #ifdef CONFIG_DEV_RDONLY
141 CERROR("obd_fail_loc=%x, fail write operation on %s\n",
142 id, ll_bdevname(dev));
143 dev_set_rdonly(dev, 2);
145 CERROR("obd_fail_loc=%x, can't fail write operation on %s\n",
146 id, ll_bdevname(dev));
148 /* We set FAIL_ONCE because we never "un-fail" a device */
149 obd_fail_loc |= OBD_FAILED | OBD_FAIL_ONCE;
153 #define OBD_VMALLOC_SIZE 16384
155 #define OBD_ALLOC(ptr, size) \
158 if (s > OBD_VMALLOC_SIZE) \
159 (ptr) = vmalloc(s); \
161 (ptr) = kmalloc(s, GFP_KERNEL); \
162 if ((ptr) == NULL) { \
163 CERROR("kmalloc of '" #ptr "' (%ld bytes) failed " \
164 "at %s:%d\n", s, __FILE__, __LINE__); \
166 memset((ptr), 0, s); \
168 CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %ld at " \
169 "%p (tot %ld).\n", s, (ptr), obd_memory); \
173 #define OBD_FREE(ptr, size) \
177 if (s > OBD_VMALLOC_SIZE) \
182 CDEBUG(D_MALLOC, "kfreed '" #ptr "': %d at %p (tot %ld).\n", \
183 s, (ptr), obd_memory); \
184 (ptr) = (void *)0xdeadbeef; \
187 #ifdef CONFIG_HIGHMEM
188 extern void obd_kmap_get(int count, int server);
189 extern void obd_kmap_put(int count);
191 #define obd_kmap_get(count, server) do {} while (0)
192 #define obd_kmap_put(count) do {} while (0)