staging: r8188eu: Convert driver to use external firmware
[deliverable/linux.git] / drivers / staging / lustre / lustre / include / obd_support.h
CommitLineData
d7e09d03
PT
1/*
2 * GPL HEADER START
3 *
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
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.
9 *
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).
15 *
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
19 *
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
22 * have any questions.
23 *
24 * GPL HEADER END
25 */
26/*
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
29 *
30 * Copyright (c) 2011, 2012, Intel Corporation.
31 */
32/*
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
35 */
36
37#ifndef _OBD_SUPPORT
38#define _OBD_SUPPORT
39
40#include <linux/libcfs/libcfs.h>
41#include <lvfs.h>
42#include <lprocfs_status.h>
43
44#include <linux/obd_support.h>
45
46/* global variables */
47extern struct lprocfs_stats *obd_memory;
48enum {
49 OBD_MEMORY_STAT = 0,
50 OBD_MEMORY_PAGES_STAT = 1,
51 OBD_STATS_NUM,
52};
53
54extern unsigned int obd_debug_peer_on_timeout;
55extern unsigned int obd_dump_on_timeout;
56extern unsigned int obd_dump_on_eviction;
57/* obd_timeout should only be used for recovery, not for
58 networking / disk / timings affected by load (use Adaptive Timeouts) */
59extern unsigned int obd_timeout; /* seconds */
60extern unsigned int ldlm_timeout; /* seconds */
61extern unsigned int obd_timeout_set;
62extern unsigned int ldlm_timeout_set;
63extern unsigned int at_min;
64extern unsigned int at_max;
65extern unsigned int at_history;
66extern int at_early_margin;
67extern int at_extra;
68extern unsigned int obd_sync_filter;
69extern unsigned int obd_max_dirty_pages;
d7e09d03
PT
70extern atomic_t obd_dirty_pages;
71extern atomic_t obd_dirty_transit_pages;
72extern unsigned int obd_alloc_fail_rate;
73extern char obd_jobid_var[];
74
75/* lvfs.c */
76int obd_alloc_fail(const void *ptr, const char *name, const char *type,
77 size_t size, const char *file, int line);
78
79/* Some hash init argument constants */
80#define HASH_POOLS_BKT_BITS 3
81#define HASH_POOLS_CUR_BITS 3
82#define HASH_POOLS_MAX_BITS 7
83#define HASH_UUID_BKT_BITS 5
84#define HASH_UUID_CUR_BITS 7
85#define HASH_UUID_MAX_BITS 12
86#define HASH_NID_BKT_BITS 5
87#define HASH_NID_CUR_BITS 7
88#define HASH_NID_MAX_BITS 12
89#define HASH_NID_STATS_BKT_BITS 5
90#define HASH_NID_STATS_CUR_BITS 7
91#define HASH_NID_STATS_MAX_BITS 12
92#define HASH_LQE_BKT_BITS 5
93#define HASH_LQE_CUR_BITS 7
94#define HASH_LQE_MAX_BITS 12
95#define HASH_CONN_BKT_BITS 5
96#define HASH_CONN_CUR_BITS 5
97#define HASH_CONN_MAX_BITS 15
98#define HASH_EXP_LOCK_BKT_BITS 5
99#define HASH_EXP_LOCK_CUR_BITS 7
100#define HASH_EXP_LOCK_MAX_BITS 16
101#define HASH_CL_ENV_BKT_BITS 5
102#define HASH_CL_ENV_BITS 10
103#define HASH_JOB_STATS_BKT_BITS 5
104#define HASH_JOB_STATS_CUR_BITS 7
105#define HASH_JOB_STATS_MAX_BITS 12
106
107/* Timeout definitions */
108#define OBD_TIMEOUT_DEFAULT 100
109#define LDLM_TIMEOUT_DEFAULT 20
110#define MDS_LDLM_TIMEOUT_DEFAULT 6
111/* Time to wait for all clients to reconnect during recovery (hard limit) */
112#define OBD_RECOVERY_TIME_HARD (obd_timeout * 9)
113/* Time to wait for all clients to reconnect during recovery (soft limit) */
114/* Should be very conservative; must catch the first reconnect after reboot */
115#define OBD_RECOVERY_TIME_SOFT (obd_timeout * 3)
116/* Change recovery-small 26b time if you change this */
117#define PING_INTERVAL max(obd_timeout / 4, 1U)
118/* a bit more than maximal journal commit time in seconds */
119#define PING_INTERVAL_SHORT min(PING_INTERVAL, 7U)
120/* Client may skip 1 ping; we must wait at least 2.5. But for multiple
121 * failover targets the client only pings one server at a time, and pings
122 * can be lost on a loaded network. Since eviction has serious consequences,
123 * and there's no urgent need to evict a client just because it's idle, we
124 * should be very conservative here. */
125#define PING_EVICT_TIMEOUT (PING_INTERVAL * 6)
126#define DISK_TIMEOUT 50 /* Beyond this we warn about disk speed */
127#define CONNECTION_SWITCH_MIN 5U /* Connection switching rate limiter */
128 /* Max connect interval for nonresponsive servers; ~50s to avoid building up
129 connect requests in the LND queues, but within obd_timeout so we don't
130 miss the recovery window */
131#define CONNECTION_SWITCH_MAX min(50U, max(CONNECTION_SWITCH_MIN,obd_timeout))
132#define CONNECTION_SWITCH_INC 5 /* Connection timeout backoff */
133/* In general this should be low to have quick detection of a system
134 running on a backup server. (If it's too low, import_select_connection
135 will increase the timeout anyhow.) */
136#define INITIAL_CONNECT_TIMEOUT max(CONNECTION_SWITCH_MIN,obd_timeout/20)
137/* The max delay between connects is SWITCH_MAX + SWITCH_INC + INITIAL */
138#define RECONNECT_DELAY_MAX (CONNECTION_SWITCH_MAX + CONNECTION_SWITCH_INC + \
139 INITIAL_CONNECT_TIMEOUT)
140/* The min time a target should wait for clients to reconnect in recovery */
141#define OBD_RECOVERY_TIME_MIN (2*RECONNECT_DELAY_MAX)
142#define OBD_IR_FACTOR_MIN 1
143#define OBD_IR_FACTOR_MAX 10
144#define OBD_IR_FACTOR_DEFAULT (OBD_IR_FACTOR_MAX/2)
145/* default timeout for the MGS to become IR_FULL */
146#define OBD_IR_MGS_TIMEOUT (4*obd_timeout)
147#define LONG_UNLINK 300 /* Unlink should happen before now */
148
149/**
150 * Time interval of shrink, if the client is "idle" more than this interval,
151 * then the ll_grant thread will return the requested grant space to filter
152 */
153#define GRANT_SHRINK_INTERVAL 1200/*20 minutes*/
154
155#define OBD_FAIL_MDS 0x100
156#define OBD_FAIL_MDS_HANDLE_UNPACK 0x101
157#define OBD_FAIL_MDS_GETATTR_NET 0x102
158#define OBD_FAIL_MDS_GETATTR_PACK 0x103
159#define OBD_FAIL_MDS_READPAGE_NET 0x104
160#define OBD_FAIL_MDS_READPAGE_PACK 0x105
161#define OBD_FAIL_MDS_SENDPAGE 0x106
162#define OBD_FAIL_MDS_REINT_NET 0x107
163#define OBD_FAIL_MDS_REINT_UNPACK 0x108
164#define OBD_FAIL_MDS_REINT_SETATTR 0x109
165#define OBD_FAIL_MDS_REINT_SETATTR_WRITE 0x10a
166#define OBD_FAIL_MDS_REINT_CREATE 0x10b
167#define OBD_FAIL_MDS_REINT_CREATE_WRITE 0x10c
168#define OBD_FAIL_MDS_REINT_UNLINK 0x10d
169#define OBD_FAIL_MDS_REINT_UNLINK_WRITE 0x10e
170#define OBD_FAIL_MDS_REINT_LINK 0x10f
171#define OBD_FAIL_MDS_REINT_LINK_WRITE 0x110
172#define OBD_FAIL_MDS_REINT_RENAME 0x111
173#define OBD_FAIL_MDS_REINT_RENAME_WRITE 0x112
174#define OBD_FAIL_MDS_OPEN_NET 0x113
175#define OBD_FAIL_MDS_OPEN_PACK 0x114
176#define OBD_FAIL_MDS_CLOSE_NET 0x115
177#define OBD_FAIL_MDS_CLOSE_PACK 0x116
178#define OBD_FAIL_MDS_CONNECT_NET 0x117
179#define OBD_FAIL_MDS_CONNECT_PACK 0x118
180#define OBD_FAIL_MDS_REINT_NET_REP 0x119
181#define OBD_FAIL_MDS_DISCONNECT_NET 0x11a
182#define OBD_FAIL_MDS_GETSTATUS_NET 0x11b
183#define OBD_FAIL_MDS_GETSTATUS_PACK 0x11c
184#define OBD_FAIL_MDS_STATFS_PACK 0x11d
185#define OBD_FAIL_MDS_STATFS_NET 0x11e
186#define OBD_FAIL_MDS_GETATTR_NAME_NET 0x11f
187#define OBD_FAIL_MDS_PIN_NET 0x120
188#define OBD_FAIL_MDS_UNPIN_NET 0x121
189#define OBD_FAIL_MDS_ALL_REPLY_NET 0x122
190#define OBD_FAIL_MDS_ALL_REQUEST_NET 0x123
191#define OBD_FAIL_MDS_SYNC_NET 0x124
192#define OBD_FAIL_MDS_SYNC_PACK 0x125
193#define OBD_FAIL_MDS_DONE_WRITING_NET 0x126
194#define OBD_FAIL_MDS_DONE_WRITING_PACK 0x127
195#define OBD_FAIL_MDS_ALLOC_OBDO 0x128
196#define OBD_FAIL_MDS_PAUSE_OPEN 0x129
197#define OBD_FAIL_MDS_STATFS_LCW_SLEEP 0x12a
198#define OBD_FAIL_MDS_OPEN_CREATE 0x12b
199#define OBD_FAIL_MDS_OST_SETATTR 0x12c
200#define OBD_FAIL_MDS_QUOTACHECK_NET 0x12d
201#define OBD_FAIL_MDS_QUOTACTL_NET 0x12e
202#define OBD_FAIL_MDS_CLIENT_ADD 0x12f
203#define OBD_FAIL_MDS_GETXATTR_NET 0x130
204#define OBD_FAIL_MDS_GETXATTR_PACK 0x131
205#define OBD_FAIL_MDS_SETXATTR_NET 0x132
206#define OBD_FAIL_MDS_SETXATTR 0x133
207#define OBD_FAIL_MDS_SETXATTR_WRITE 0x134
208#define OBD_FAIL_MDS_FS_SETUP 0x135
209#define OBD_FAIL_MDS_RESEND 0x136
210#define OBD_FAIL_MDS_LLOG_CREATE_FAILED 0x137
211#define OBD_FAIL_MDS_LOV_SYNC_RACE 0x138
212#define OBD_FAIL_MDS_OSC_PRECREATE 0x139
213#define OBD_FAIL_MDS_LLOG_SYNC_TIMEOUT 0x13a
214#define OBD_FAIL_MDS_CLOSE_NET_REP 0x13b
215#define OBD_FAIL_MDS_BLOCK_QUOTA_REQ 0x13c
216#define OBD_FAIL_MDS_DROP_QUOTA_REQ 0x13d
217#define OBD_FAIL_MDS_REMOVE_COMMON_EA 0x13e
218#define OBD_FAIL_MDS_ALLOW_COMMON_EA_SETTING 0x13f
219#define OBD_FAIL_MDS_FAIL_LOV_LOG_ADD 0x140
220#define OBD_FAIL_MDS_LOV_PREP_CREATE 0x141
221#define OBD_FAIL_MDS_REINT_DELAY 0x142
222#define OBD_FAIL_MDS_READLINK_EPROTO 0x143
223#define OBD_FAIL_MDS_OPEN_WAIT_CREATE 0x144
224#define OBD_FAIL_MDS_PDO_LOCK 0x145
225#define OBD_FAIL_MDS_PDO_LOCK2 0x146
226#define OBD_FAIL_MDS_OSC_CREATE_FAIL 0x147
227#define OBD_FAIL_MDS_NEGATIVE_POSITIVE 0x148
228#define OBD_FAIL_MDS_HSM_STATE_GET_NET 0x149
229#define OBD_FAIL_MDS_HSM_STATE_SET_NET 0x14a
230#define OBD_FAIL_MDS_HSM_PROGRESS_NET 0x14b
231#define OBD_FAIL_MDS_HSM_REQUEST_NET 0x14c
232#define OBD_FAIL_MDS_HSM_CT_REGISTER_NET 0x14d
233#define OBD_FAIL_MDS_HSM_CT_UNREGISTER_NET 0x14e
234#define OBD_FAIL_MDS_SWAP_LAYOUTS_NET 0x14f
235#define OBD_FAIL_MDS_HSM_ACTION_NET 0x150
236#define OBD_FAIL_MDS_CHANGELOG_INIT 0x151
237
238/* layout lock */
239#define OBD_FAIL_MDS_NO_LL_GETATTR 0x170
240#define OBD_FAIL_MDS_NO_LL_OPEN 0x171
241#define OBD_FAIL_MDS_LL_BLOCK 0x172
242
243/* CMD */
244#define OBD_FAIL_MDS_IS_SUBDIR_NET 0x180
245#define OBD_FAIL_MDS_IS_SUBDIR_PACK 0x181
246#define OBD_FAIL_MDS_SET_INFO_NET 0x182
247#define OBD_FAIL_MDS_WRITEPAGE_NET 0x183
248#define OBD_FAIL_MDS_WRITEPAGE_PACK 0x184
249#define OBD_FAIL_MDS_RECOVERY_ACCEPTS_GAPS 0x185
250#define OBD_FAIL_MDS_GET_INFO_NET 0x186
251#define OBD_FAIL_MDS_DQACQ_NET 0x187
252
253/* OI scrub */
254#define OBD_FAIL_OSD_SCRUB_DELAY 0x190
255#define OBD_FAIL_OSD_SCRUB_CRASH 0x191
256#define OBD_FAIL_OSD_SCRUB_FATAL 0x192
257#define OBD_FAIL_OSD_FID_MAPPING 0x193
258#define OBD_FAIL_OSD_LMA_INCOMPAT 0x194
259
260#define OBD_FAIL_OST 0x200
261#define OBD_FAIL_OST_CONNECT_NET 0x201
262#define OBD_FAIL_OST_DISCONNECT_NET 0x202
263#define OBD_FAIL_OST_GET_INFO_NET 0x203
264#define OBD_FAIL_OST_CREATE_NET 0x204
265#define OBD_FAIL_OST_DESTROY_NET 0x205
266#define OBD_FAIL_OST_GETATTR_NET 0x206
267#define OBD_FAIL_OST_SETATTR_NET 0x207
268#define OBD_FAIL_OST_OPEN_NET 0x208
269#define OBD_FAIL_OST_CLOSE_NET 0x209
270#define OBD_FAIL_OST_BRW_NET 0x20a
271#define OBD_FAIL_OST_PUNCH_NET 0x20b
272#define OBD_FAIL_OST_STATFS_NET 0x20c
273#define OBD_FAIL_OST_HANDLE_UNPACK 0x20d
274#define OBD_FAIL_OST_BRW_WRITE_BULK 0x20e
275#define OBD_FAIL_OST_BRW_READ_BULK 0x20f
276#define OBD_FAIL_OST_SYNC_NET 0x210
277#define OBD_FAIL_OST_ALL_REPLY_NET 0x211
278#define OBD_FAIL_OST_ALL_REQUEST_NET 0x212
279#define OBD_FAIL_OST_LDLM_REPLY_NET 0x213
280#define OBD_FAIL_OST_BRW_PAUSE_BULK 0x214
281#define OBD_FAIL_OST_ENOSPC 0x215
282#define OBD_FAIL_OST_EROFS 0x216
283#define OBD_FAIL_OST_ENOENT 0x217
284#define OBD_FAIL_OST_QUOTACHECK_NET 0x218
285#define OBD_FAIL_OST_QUOTACTL_NET 0x219
286#define OBD_FAIL_OST_CHECKSUM_RECEIVE 0x21a
287#define OBD_FAIL_OST_CHECKSUM_SEND 0x21b
288#define OBD_FAIL_OST_BRW_SIZE 0x21c
289#define OBD_FAIL_OST_DROP_REQ 0x21d
290#define OBD_FAIL_OST_SETATTR_CREDITS 0x21e
291#define OBD_FAIL_OST_HOLD_WRITE_RPC 0x21f
292#define OBD_FAIL_OST_BRW_WRITE_BULK2 0x220
293#define OBD_FAIL_OST_LLOG_RECOVERY_TIMEOUT 0x221
294#define OBD_FAIL_OST_CANCEL_COOKIE_TIMEOUT 0x222
295#define OBD_FAIL_OST_PAUSE_CREATE 0x223
296#define OBD_FAIL_OST_BRW_PAUSE_PACK 0x224
297#define OBD_FAIL_OST_CONNECT_NET2 0x225
298#define OBD_FAIL_OST_NOMEM 0x226
299#define OBD_FAIL_OST_BRW_PAUSE_BULK2 0x227
300#define OBD_FAIL_OST_MAPBLK_ENOSPC 0x228
301#define OBD_FAIL_OST_ENOINO 0x229
302#define OBD_FAIL_OST_DQACQ_NET 0x230
303#define OBD_FAIL_OST_STATFS_EINPROGRESS 0x231
304
305#define OBD_FAIL_LDLM 0x300
306#define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301
307#define OBD_FAIL_LDLM_ENQUEUE_NET 0x302
308#define OBD_FAIL_LDLM_CONVERT_NET 0x303
309#define OBD_FAIL_LDLM_CANCEL_NET 0x304
310#define OBD_FAIL_LDLM_BL_CALLBACK_NET 0x305
311#define OBD_FAIL_LDLM_CP_CALLBACK_NET 0x306
312#define OBD_FAIL_LDLM_GL_CALLBACK_NET 0x307
313#define OBD_FAIL_LDLM_ENQUEUE_EXTENT_ERR 0x308
314#define OBD_FAIL_LDLM_ENQUEUE_INTENT_ERR 0x309
315#define OBD_FAIL_LDLM_CREATE_RESOURCE 0x30a
316#define OBD_FAIL_LDLM_ENQUEUE_BLOCKED 0x30b
317#define OBD_FAIL_LDLM_REPLY 0x30c
318#define OBD_FAIL_LDLM_RECOV_CLIENTS 0x30d
319#define OBD_FAIL_LDLM_ENQUEUE_OLD_EXPORT 0x30e
320#define OBD_FAIL_LDLM_GLIMPSE 0x30f
321#define OBD_FAIL_LDLM_CANCEL_RACE 0x310
322#define OBD_FAIL_LDLM_CANCEL_EVICT_RACE 0x311
323#define OBD_FAIL_LDLM_PAUSE_CANCEL 0x312
324#define OBD_FAIL_LDLM_CLOSE_THREAD 0x313
325#define OBD_FAIL_LDLM_CANCEL_BL_CB_RACE 0x314
326#define OBD_FAIL_LDLM_CP_CB_WAIT 0x315
327#define OBD_FAIL_LDLM_OST_FAIL_RACE 0x316
328#define OBD_FAIL_LDLM_INTR_CP_AST 0x317
329#define OBD_FAIL_LDLM_CP_BL_RACE 0x318
330#define OBD_FAIL_LDLM_NEW_LOCK 0x319
331#define OBD_FAIL_LDLM_AGL_DELAY 0x31a
332#define OBD_FAIL_LDLM_AGL_NOLOCK 0x31b
333#define OBD_FAIL_LDLM_OST_LVB 0x31c
334
335/* LOCKLESS IO */
336#define OBD_FAIL_LDLM_SET_CONTENTION 0x385
337
338#define OBD_FAIL_OSC 0x400
339#define OBD_FAIL_OSC_BRW_READ_BULK 0x401
340#define OBD_FAIL_OSC_BRW_WRITE_BULK 0x402
341#define OBD_FAIL_OSC_LOCK_BL_AST 0x403
342#define OBD_FAIL_OSC_LOCK_CP_AST 0x404
343#define OBD_FAIL_OSC_MATCH 0x405
344#define OBD_FAIL_OSC_BRW_PREP_REQ 0x406
345#define OBD_FAIL_OSC_SHUTDOWN 0x407
346#define OBD_FAIL_OSC_CHECKSUM_RECEIVE 0x408
347#define OBD_FAIL_OSC_CHECKSUM_SEND 0x409
348#define OBD_FAIL_OSC_BRW_PREP_REQ2 0x40a
349#define OBD_FAIL_OSC_CONNECT_CKSUM 0x40b
350#define OBD_FAIL_OSC_CKSUM_ADLER_ONLY 0x40c
351#define OBD_FAIL_OSC_DIO_PAUSE 0x40d
352#define OBD_FAIL_OSC_OBJECT_CONTENTION 0x40e
353#define OBD_FAIL_OSC_CP_CANCEL_RACE 0x40f
354#define OBD_FAIL_OSC_CP_ENQ_RACE 0x410
355#define OBD_FAIL_OSC_NO_GRANT 0x411
356#define OBD_FAIL_OSC_DELAY_SETTIME 0x412
357
358#define OBD_FAIL_PTLRPC 0x500
359#define OBD_FAIL_PTLRPC_ACK 0x501
360#define OBD_FAIL_PTLRPC_RQBD 0x502
361#define OBD_FAIL_PTLRPC_BULK_GET_NET 0x503
362#define OBD_FAIL_PTLRPC_BULK_PUT_NET 0x504
363#define OBD_FAIL_PTLRPC_DROP_RPC 0x505
364#define OBD_FAIL_PTLRPC_DELAY_SEND 0x506
365#define OBD_FAIL_PTLRPC_DELAY_RECOV 0x507
366#define OBD_FAIL_PTLRPC_CLIENT_BULK_CB 0x508
367#define OBD_FAIL_PTLRPC_PAUSE_REQ 0x50a
368#define OBD_FAIL_PTLRPC_PAUSE_REP 0x50c
369#define OBD_FAIL_PTLRPC_IMP_DEACTIVE 0x50d
370#define OBD_FAIL_PTLRPC_DUMP_LOG 0x50e
371#define OBD_FAIL_PTLRPC_LONG_REPL_UNLINK 0x50f
372#define OBD_FAIL_PTLRPC_LONG_BULK_UNLINK 0x510
373#define OBD_FAIL_PTLRPC_HPREQ_TIMEOUT 0x511
374#define OBD_FAIL_PTLRPC_HPREQ_NOTIMEOUT 0x512
375#define OBD_FAIL_PTLRPC_DROP_REQ_OPC 0x513
376#define OBD_FAIL_PTLRPC_FINISH_REPLAY 0x514
377#define OBD_FAIL_PTLRPC_CLIENT_BULK_CB2 0x515
378#define OBD_FAIL_PTLRPC_DELAY_IMP_FULL 0x516
379#define OBD_FAIL_PTLRPC_CANCEL_RESEND 0x517
380
381#define OBD_FAIL_OBD_PING_NET 0x600
382#define OBD_FAIL_OBD_LOG_CANCEL_NET 0x601
383#define OBD_FAIL_OBD_LOGD_NET 0x602
384#define OBD_FAIL_OBD_QC_CALLBACK_NET 0x603
385#define OBD_FAIL_OBD_DQACQ 0x604
386#define OBD_FAIL_OBD_LLOG_SETUP 0x605
387#define OBD_FAIL_OBD_LOG_CANCEL_REP 0x606
388#define OBD_FAIL_OBD_IDX_READ_NET 0x607
389#define OBD_FAIL_OBD_IDX_READ_BREAK 0x608
390#define OBD_FAIL_OBD_NO_LRU 0x609
391
392#define OBD_FAIL_TGT_REPLY_NET 0x700
393#define OBD_FAIL_TGT_CONN_RACE 0x701
394#define OBD_FAIL_TGT_FORCE_RECONNECT 0x702
395#define OBD_FAIL_TGT_DELAY_CONNECT 0x703
396#define OBD_FAIL_TGT_DELAY_RECONNECT 0x704
397#define OBD_FAIL_TGT_DELAY_PRECREATE 0x705
398#define OBD_FAIL_TGT_TOOMANY_THREADS 0x706
399#define OBD_FAIL_TGT_REPLAY_DROP 0x707
400#define OBD_FAIL_TGT_FAKE_EXP 0x708
401#define OBD_FAIL_TGT_REPLAY_DELAY 0x709
402#define OBD_FAIL_TGT_LAST_REPLAY 0x710
403#define OBD_FAIL_TGT_CLIENT_ADD 0x711
404#define OBD_FAIL_TGT_RCVG_FLAG 0x712
405
406#define OBD_FAIL_MDC_REVALIDATE_PAUSE 0x800
407#define OBD_FAIL_MDC_ENQUEUE_PAUSE 0x801
408#define OBD_FAIL_MDC_OLD_EXT_FLAGS 0x802
409#define OBD_FAIL_MDC_GETATTR_ENQUEUE 0x803
410#define OBD_FAIL_MDC_RPCS_SEM 0x804
411#define OBD_FAIL_MDC_LIGHTWEIGHT 0x805
412
413#define OBD_FAIL_MGS 0x900
414#define OBD_FAIL_MGS_ALL_REQUEST_NET 0x901
415#define OBD_FAIL_MGS_ALL_REPLY_NET 0x902
416#define OBD_FAIL_MGC_PAUSE_PROCESS_LOG 0x903
417#define OBD_FAIL_MGS_PAUSE_REQ 0x904
418#define OBD_FAIL_MGS_PAUSE_TARGET_REG 0x905
419
420#define OBD_FAIL_QUOTA_DQACQ_NET 0xA01
421#define OBD_FAIL_QUOTA_EDQUOT 0xA02
422#define OBD_FAIL_QUOTA_DELAY_REINT 0xA03
423#define OBD_FAIL_QUOTA_RECOVERABLE_ERR 0xA04
424
425#define OBD_FAIL_LPROC_REMOVE 0xB00
426
427#define OBD_FAIL_GENERAL_ALLOC 0xC00
428
429#define OBD_FAIL_SEQ 0x1000
430#define OBD_FAIL_SEQ_QUERY_NET 0x1001
431#define OBD_FAIL_SEQ_EXHAUST 0x1002
432
433#define OBD_FAIL_FLD 0x1100
434#define OBD_FAIL_FLD_QUERY_NET 0x1101
435
436#define OBD_FAIL_SEC_CTX 0x1200
437#define OBD_FAIL_SEC_CTX_INIT_NET 0x1201
438#define OBD_FAIL_SEC_CTX_INIT_CONT_NET 0x1202
439#define OBD_FAIL_SEC_CTX_FINI_NET 0x1203
440#define OBD_FAIL_SEC_CTX_HDL_PAUSE 0x1204
441
442#define OBD_FAIL_LLOG 0x1300
443#define OBD_FAIL_LLOG_ORIGIN_CONNECT_NET 0x1301
444#define OBD_FAIL_LLOG_ORIGIN_HANDLE_CREATE_NET 0x1302
445#define OBD_FAIL_LLOG_ORIGIN_HANDLE_DESTROY_NET 0x1303
446#define OBD_FAIL_LLOG_ORIGIN_HANDLE_READ_HEADER_NET 0x1304
447#define OBD_FAIL_LLOG_ORIGIN_HANDLE_NEXT_BLOCK_NET 0x1305
448#define OBD_FAIL_LLOG_ORIGIN_HANDLE_PREV_BLOCK_NET 0x1306
449#define OBD_FAIL_LLOG_ORIGIN_HANDLE_WRITE_REC_NET 0x1307
450#define OBD_FAIL_LLOG_ORIGIN_HANDLE_CLOSE_NET 0x1308
451#define OBD_FAIL_LLOG_CATINFO_NET 0x1309
452#define OBD_FAIL_MDS_SYNC_CAPA_SL 0x1310
453#define OBD_FAIL_SEQ_ALLOC 0x1311
454
455#define OBD_FAIL_LLITE 0x1400
456#define OBD_FAIL_LLITE_FAULT_TRUNC_RACE 0x1401
457#define OBD_FAIL_LOCK_STATE_WAIT_INTR 0x1402
458#define OBD_FAIL_LOV_INIT 0x1403
459#define OBD_FAIL_GLIMPSE_DELAY 0x1404
460
461#define OBD_FAIL_FID_INDIR 0x1501
462#define OBD_FAIL_FID_INLMA 0x1502
463#define OBD_FAIL_FID_IGIF 0x1504
464#define OBD_FAIL_FID_LOOKUP 0x1505
465#define OBD_FAIL_FID_NOLMA 0x1506
466
467/* LFSCK */
468#define OBD_FAIL_LFSCK_DELAY1 0x1600
469#define OBD_FAIL_LFSCK_DELAY2 0x1601
470#define OBD_FAIL_LFSCK_DELAY3 0x1602
471#define OBD_FAIL_LFSCK_LINKEA_CRASH 0x1603
472#define OBD_FAIL_LFSCK_LINKEA_MORE 0x1604
c6c9f60d 473#define OBD_FAIL_LFSCK_LINKEA_MORE2 0x1605
d7e09d03
PT
474#define OBD_FAIL_LFSCK_FATAL1 0x1608
475#define OBD_FAIL_LFSCK_FATAL2 0x1609
476#define OBD_FAIL_LFSCK_CRASH 0x160a
477#define OBD_FAIL_LFSCK_NO_AUTO 0x160b
478#define OBD_FAIL_LFSCK_NO_DOUBLESCAN 0x160c
479
480/* UPDATE */
481#define OBD_FAIL_UPDATE_OBJ_NET 0x1700
482#define OBD_FAIL_UPDATE_OBJ_NET_REP 0x1701
483
484
485/* Assign references to moved code to reduce code changes */
486#define OBD_FAIL_PRECHECK(id) CFS_FAIL_PRECHECK(id)
487#define OBD_FAIL_CHECK(id) CFS_FAIL_CHECK(id)
488#define OBD_FAIL_CHECK_VALUE(id, value) CFS_FAIL_CHECK_VALUE(id, value)
489#define OBD_FAIL_CHECK_ORSET(id, value) CFS_FAIL_CHECK_ORSET(id, value)
490#define OBD_FAIL_CHECK_RESET(id, value) CFS_FAIL_CHECK_RESET(id, value)
491#define OBD_FAIL_RETURN(id, ret) CFS_FAIL_RETURN(id, ret)
492#define OBD_FAIL_TIMEOUT(id, secs) CFS_FAIL_TIMEOUT(id, secs)
493#define OBD_FAIL_TIMEOUT_MS(id, ms) CFS_FAIL_TIMEOUT_MS(id, ms)
494#define OBD_FAIL_TIMEOUT_ORSET(id, value, secs) CFS_FAIL_TIMEOUT_ORSET(id, value, secs)
495#define OBD_RACE(id) CFS_RACE(id)
496#define OBD_FAIL_ONCE CFS_FAIL_ONCE
497#define OBD_FAILED CFS_FAILED
498
499extern atomic_t libcfs_kmemory;
500
501#ifdef LPROCFS
502#define obd_memory_add(size) \
503 lprocfs_counter_add(obd_memory, OBD_MEMORY_STAT, (long)(size))
504#define obd_memory_sub(size) \
505 lprocfs_counter_sub(obd_memory, OBD_MEMORY_STAT, (long)(size))
506#define obd_memory_sum() \
507 lprocfs_stats_collector(obd_memory, OBD_MEMORY_STAT, \
508 LPROCFS_FIELDS_FLAGS_SUM)
509#define obd_pages_add(order) \
510 lprocfs_counter_add(obd_memory, OBD_MEMORY_PAGES_STAT, \
511 (long)(1 << (order)))
512#define obd_pages_sub(order) \
513 lprocfs_counter_sub(obd_memory, OBD_MEMORY_PAGES_STAT, \
514 (long)(1 << (order)))
515#define obd_pages_sum() \
516 lprocfs_stats_collector(obd_memory, OBD_MEMORY_PAGES_STAT, \
517 LPROCFS_FIELDS_FLAGS_SUM)
518
519extern void obd_update_maxusage(void);
520extern __u64 obd_memory_max(void);
521extern __u64 obd_pages_max(void);
522
523#else
524
525extern __u64 obd_alloc;
526extern __u64 obd_pages;
527
528extern __u64 obd_max_alloc;
529extern __u64 obd_max_pages;
530
531static inline void obd_memory_add(long size)
532{
533 obd_alloc += size;
534 if (obd_alloc > obd_max_alloc)
535 obd_max_alloc = obd_alloc;
536}
537
538static inline void obd_memory_sub(long size)
539{
540 obd_alloc -= size;
541}
542
543static inline void obd_pages_add(int order)
544{
545 obd_pages += 1<< order;
546 if (obd_pages > obd_max_pages)
547 obd_max_pages = obd_pages;
548}
549
550static inline void obd_pages_sub(int order)
551{
552 obd_pages -= 1<< order;
553}
554
555#define obd_memory_sum() (obd_alloc)
556#define obd_pages_sum() (obd_pages)
557
558#define obd_memory_max() (obd_max_alloc)
559#define obd_pages_max() (obd_max_pages)
560
561#endif
562
563#define OBD_DEBUG_MEMUSAGE (1)
564
565#if OBD_DEBUG_MEMUSAGE
566#define OBD_ALLOC_POST(ptr, size, name) \
567 obd_memory_add(size); \
568 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
569 (int)(size), ptr)
570
571#define OBD_FREE_PRE(ptr, size, name) \
572 LASSERT(ptr); \
573 obd_memory_sub(size); \
574 CDEBUG(D_MALLOC, name " '" #ptr "': %d at %p.\n", \
575 (int)(size), ptr); \
576 POISON(ptr, 0x5a, size)
577
578#else /* !OBD_DEBUG_MEMUSAGE */
579
580#define OBD_ALLOC_POST(ptr, size, name) ((void)0)
581#define OBD_FREE_PRE(ptr, size, name) ((void)0)
582
583#endif /* !OBD_DEBUG_MEMUSAGE */
584
585#define HAS_FAIL_ALLOC_FLAG OBD_FAIL_CHECK(OBD_FAIL_GENERAL_ALLOC)
586
587#define OBD_ALLOC_FAIL_BITS 24
588#define OBD_ALLOC_FAIL_MASK ((1 << OBD_ALLOC_FAIL_BITS) - 1)
589#define OBD_ALLOC_FAIL_MULT (OBD_ALLOC_FAIL_MASK / 100)
590
591#if defined(LUSTRE_UTILS) /* this version is for utils only */
592#define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \
593do { \
594 (ptr) = (cptab) == NULL ? \
595 kmalloc(size, flags) : \
49c02a75 596 kmalloc_node(size, flags, cfs_cpt_spread_node(cptab, cpt)); \
d7e09d03
PT
597 if (unlikely((ptr) == NULL)) { \
598 CERROR("kmalloc of '" #ptr "' (%d bytes) failed at %s:%d\n", \
599 (int)(size), __FILE__, __LINE__); \
600 } else { \
601 memset(ptr, 0, size); \
602 CDEBUG(D_MALLOC, "kmalloced '" #ptr "': %d at %p\n", \
603 (int)(size), ptr); \
604 } \
605} while (0)
606
607#else /* this version is for the kernel and liblustre */
608#define OBD_FREE_RTN0(ptr) \
609({ \
610 kfree(ptr); \
611 (ptr) = NULL; \
612 0; \
613})
614
615#define __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, flags) \
616do { \
617 (ptr) = (cptab) == NULL ? \
49c02a75
PT
618 kmalloc(size, flags | __GFP_ZERO) : \
619 kmalloc_node(size, flags | __GFP_ZERO, \
620 cfs_cpt_spread_node(cptab, cpt)); \
d7e09d03
PT
621 if (likely((ptr) != NULL && \
622 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
623 !obd_alloc_fail(ptr, #ptr, "km", size, \
624 __FILE__, __LINE__) || \
625 OBD_FREE_RTN0(ptr)))){ \
d7e09d03
PT
626 OBD_ALLOC_POST(ptr, size, "kmalloced"); \
627 } \
628} while (0)
629#endif
630
631#define OBD_ALLOC_GFP(ptr, size, gfp_mask) \
632 __OBD_MALLOC_VERBOSE(ptr, NULL, 0, size, gfp_mask)
633
634#define OBD_ALLOC(ptr, size) OBD_ALLOC_GFP(ptr, size, __GFP_IO)
635#define OBD_ALLOC_WAIT(ptr, size) OBD_ALLOC_GFP(ptr, size, GFP_IOFS)
636#define OBD_ALLOC_PTR(ptr) OBD_ALLOC(ptr, sizeof *(ptr))
637#define OBD_ALLOC_PTR_WAIT(ptr) OBD_ALLOC_WAIT(ptr, sizeof *(ptr))
638
639#define OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, gfp_mask) \
640 __OBD_MALLOC_VERBOSE(ptr, cptab, cpt, size, gfp_mask)
641
642#define OBD_CPT_ALLOC(ptr, cptab, cpt, size) \
643 OBD_CPT_ALLOC_GFP(ptr, cptab, cpt, size, __GFP_IO)
644
645#define OBD_CPT_ALLOC_PTR(ptr, cptab, cpt) \
646 OBD_CPT_ALLOC(ptr, cptab, cpt, sizeof *(ptr))
647
648# define __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size) \
649do { \
650 (ptr) = cptab == NULL ? \
49c02a75
PT
651 vzalloc(size) : \
652 vzalloc_node(size, cfs_cpt_spread_node(cptab, cpt)); \
d7e09d03
PT
653 if (unlikely((ptr) == NULL)) { \
654 CERROR("vmalloc of '" #ptr "' (%d bytes) failed\n", \
655 (int)(size)); \
656 CERROR(LPU64" total bytes allocated by Lustre, %d by LNET\n", \
657 obd_memory_sum(), atomic_read(&libcfs_kmemory)); \
658 } else { \
d7e09d03
PT
659 OBD_ALLOC_POST(ptr, size, "vmalloced"); \
660 } \
661} while(0)
662
663# define OBD_VMALLOC(ptr, size) \
664 __OBD_VMALLOC_VEROBSE(ptr, NULL, 0, size)
665# define OBD_CPT_VMALLOC(ptr, cptab, cpt, size) \
666 __OBD_VMALLOC_VEROBSE(ptr, cptab, cpt, size)
667
668
669/* Allocations above this size are considered too big and could not be done
670 * atomically.
671 *
672 * Be very careful when changing this value, especially when decreasing it,
673 * since vmalloc in Linux doesn't perform well on multi-cores system, calling
674 * vmalloc in critical path would hurt peformance badly. See LU-66.
675 */
676#define OBD_ALLOC_BIG (4 * PAGE_CACHE_SIZE)
677
678#define OBD_ALLOC_LARGE(ptr, size) \
679do { \
680 if (size > OBD_ALLOC_BIG) \
681 OBD_VMALLOC(ptr, size); \
682 else \
683 OBD_ALLOC(ptr, size); \
684} while (0)
685
686#define OBD_CPT_ALLOC_LARGE(ptr, cptab, cpt, size) \
687do { \
688 if (size > OBD_ALLOC_BIG) \
689 OBD_CPT_VMALLOC(ptr, cptab, cpt, size); \
690 else \
691 OBD_CPT_ALLOC(ptr, cptab, cpt, size); \
692} while (0)
693
694#define OBD_FREE_LARGE(ptr, size) \
695do { \
696 if (size > OBD_ALLOC_BIG) \
697 OBD_VFREE(ptr, size); \
698 else \
699 OBD_FREE(ptr, size); \
700} while (0)
701
702
703#ifdef CONFIG_DEBUG_SLAB
704#define POISON(ptr, c, s) do {} while (0)
705#define POISON_PTR(ptr) ((void)0)
706#else
707#define POISON(ptr, c, s) memset(ptr, c, s)
708#define POISON_PTR(ptr) (ptr) = (void *)0xdeadbeef
709#endif
710
711#ifdef POISON_BULK
712#define POISON_PAGE(page, val) do { memset(kmap(page), val, PAGE_CACHE_SIZE); \
713 kunmap(page); } while (0)
714#else
715#define POISON_PAGE(page, val) do { } while (0)
716#endif
717
718#define OBD_FREE(ptr, size) \
719do { \
720 OBD_FREE_PRE(ptr, size, "kfreed"); \
721 kfree(ptr); \
722 POISON_PTR(ptr); \
723} while(0)
724
725
726#define OBD_FREE_RCU(ptr, size, handle) \
727do { \
728 struct portals_handle *__h = (handle); \
729 \
730 LASSERT(handle != NULL); \
731 __h->h_cookie = (unsigned long)(ptr); \
732 __h->h_size = (size); \
733 call_rcu(&__h->h_rcu, class_handle_free_cb); \
734 POISON_PTR(ptr); \
735} while(0)
736
737
738#define OBD_VFREE(ptr, size) \
739 do { \
740 OBD_FREE_PRE(ptr, size, "vfreed"); \
741 vfree(ptr); \
742 POISON_PTR(ptr); \
743 } while (0)
744
745/* we memset() the slab object to 0 when allocation succeeds, so DO NOT
746 * HAVE A CTOR THAT DOES ANYTHING. its work will be cleared here. we'd
747 * love to assert on that, but slab.c keeps kmem_cache_s all to itself. */
748#define OBD_SLAB_FREE_RTN0(ptr, slab) \
749({ \
750 kmem_cache_free((slab), (ptr)); \
751 (ptr) = NULL; \
752 0; \
753})
754
755#define __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, type) \
756do { \
757 LASSERT(ergo((type) != GFP_ATOMIC, !in_interrupt())); \
758 (ptr) = (cptab) == NULL ? \
49c02a75
PT
759 kmem_cache_alloc(slab, type | __GFP_ZERO) : \
760 kmem_cache_alloc_node(slab, type | __GFP_ZERO, \
761 cfs_cpt_spread_node(cptab, cpt)); \
d7e09d03
PT
762 if (likely((ptr) != NULL && \
763 (!HAS_FAIL_ALLOC_FLAG || obd_alloc_fail_rate == 0 || \
764 !obd_alloc_fail(ptr, #ptr, "slab-", size, \
765 __FILE__, __LINE__) || \
766 OBD_SLAB_FREE_RTN0(ptr, slab)))) { \
d7e09d03
PT
767 OBD_ALLOC_POST(ptr, size, "slab-alloced"); \
768 } \
769} while(0)
770
771#define OBD_SLAB_ALLOC_GFP(ptr, slab, size, flags) \
772 __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, NULL, 0, size, flags)
773#define OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, flags) \
774 __OBD_SLAB_ALLOC_VERBOSE(ptr, slab, cptab, cpt, size, flags)
775
776#define OBD_FREE_PTR(ptr) OBD_FREE(ptr, sizeof *(ptr))
777
778#define OBD_SLAB_FREE(ptr, slab, size) \
779do { \
780 OBD_FREE_PRE(ptr, size, "slab-freed"); \
781 kmem_cache_free(slab, ptr); \
782 POISON_PTR(ptr); \
783} while(0)
784
785#define OBD_SLAB_ALLOC(ptr, slab, size) \
786 OBD_SLAB_ALLOC_GFP(ptr, slab, size, __GFP_IO)
787
788#define OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, size) \
789 OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, size, __GFP_IO)
790
791#define OBD_SLAB_ALLOC_PTR(ptr, slab) \
792 OBD_SLAB_ALLOC(ptr, slab, sizeof *(ptr))
793
794#define OBD_SLAB_CPT_ALLOC_PTR(ptr, slab, cptab, cpt) \
795 OBD_SLAB_CPT_ALLOC(ptr, slab, cptab, cpt, sizeof *(ptr))
796
797#define OBD_SLAB_ALLOC_PTR_GFP(ptr, slab, flags) \
798 OBD_SLAB_ALLOC_GFP(ptr, slab, sizeof *(ptr), flags)
799
800#define OBD_SLAB_CPT_ALLOC_PTR_GFP(ptr, slab, cptab, cpt, flags) \
801 OBD_SLAB_CPT_ALLOC_GFP(ptr, slab, cptab, cpt, sizeof *(ptr), flags)
802
803#define OBD_SLAB_FREE_PTR(ptr, slab) \
804 OBD_SLAB_FREE((ptr), (slab), sizeof *(ptr))
805
806#define KEY_IS(str) \
807 (keylen >= (sizeof(str)-1) && memcmp(key, str, (sizeof(str)-1)) == 0)
808
809/* Wrapper for contiguous page frame allocation */
810#define __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask) \
811do { \
812 (ptr) = (cptab) == NULL ? \
813 alloc_page(gfp_mask) : \
49c02a75 814 alloc_pages_node(cfs_cpt_spread_node(cptab, cpt), gfp_mask, 0);\
d7e09d03
PT
815 if (unlikely((ptr) == NULL)) { \
816 CERROR("alloc_pages of '" #ptr "' %d page(s) / "LPU64" bytes "\
817 "failed\n", (int)1, \
818 (__u64)(1 << PAGE_CACHE_SHIFT)); \
819 CERROR(LPU64" total bytes and "LPU64" total pages " \
820 "("LPU64" bytes) allocated by Lustre, " \
821 "%d total bytes by LNET\n", \
822 obd_memory_sum(), \
823 obd_pages_sum() << PAGE_CACHE_SHIFT, \
824 obd_pages_sum(), \
825 atomic_read(&libcfs_kmemory)); \
826 } else { \
827 obd_pages_add(0); \
828 CDEBUG(D_MALLOC, "alloc_pages '" #ptr "': %d page(s) / " \
829 LPU64" bytes at %p.\n", \
830 (int)1, \
831 (__u64)(1 << PAGE_CACHE_SHIFT), ptr); \
832 } \
833} while (0)
834
835#define OBD_PAGE_ALLOC(ptr, gfp_mask) \
836 __OBD_PAGE_ALLOC_VERBOSE(ptr, NULL, 0, gfp_mask)
837#define OBD_PAGE_CPT_ALLOC(ptr, cptab, cpt, gfp_mask) \
838 __OBD_PAGE_ALLOC_VERBOSE(ptr, cptab, cpt, gfp_mask)
839
840#define OBD_PAGE_FREE(ptr) \
841do { \
842 LASSERT(ptr); \
843 obd_pages_sub(0); \
844 CDEBUG(D_MALLOC, "free_pages '" #ptr "': %d page(s) / "LPU64" bytes " \
845 "at %p.\n", \
846 (int)1, (__u64)(1 << PAGE_CACHE_SHIFT), \
847 ptr); \
848 __free_page(ptr); \
849 (ptr) = (void *)0xdeadbeef; \
850} while (0)
851
852#endif
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