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cifs: make wait_for_free_request take a TCP_Server_Info pointer
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / fs / cifs / cifs_debug.c
CommitLineData
1da177e4
LT		 1/*
2 * fs/cifs_debug.c
3 *
b8643e1b 4 * Copyright (C) International Business Machines Corp., 2000,2005
1da177e4
LT		 5 *
6 * Modified by Steve French (sfrench@us.ibm.com)
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
221601c3 10 * the Free Software Foundation; either version 2 of the License, or
1da177e4 11 * (at your option) any later version.
221601c3 12 *
1da177e4
LT		 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
16 * the GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
221601c3 19 * along with this program; if not, write to the Free Software
1da177e4
LT		 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
22#include <linux/fs.h>
23#include <linux/string.h>
24#include <linux/ctype.h>
25#include <linux/module.h>
26#include <linux/proc_fs.h>
27#include <asm/uaccess.h>
28#include "cifspdu.h"
29#include "cifsglob.h"
30#include "cifsproto.h"
31#include "cifs_debug.h"
6c91d362 32#include "cifsfs.h"
1da177e4
LT		 33
34void
35cifs_dump_mem(char *label, void *data, int length)
36{
37 int i, j;
38 int *intptr = data;
39 char *charptr = data;
40 char buf[10], line[80];
41
221601c3 42 printk(KERN_DEBUG "%s: dump of %d bytes of data at 0x%p\n",
1da177e4
LT		 43 label, length, data);
44 for (i = 0; i < length; i += 16) {
45 line[0] = 0;
46 for (j = 0; (j < 4) && (i + j * 4 < length); j++) {
47 sprintf(buf, " %08x", intptr[i / 4 + j]);
48 strcat(line, buf);
49 }
50 buf[0] = ' ';
51 buf[2] = 0;
52 for (j = 0; (j < 16) && (i + j < length); j++) {
53 buf[1] = isprint(charptr[i + j]) ? charptr[i + j] : '.';
54 strcat(line, buf);
55 }
56 printk(KERN_DEBUG "%s\n", line);
57 }
58}
59
3979877e 60#ifdef CONFIG_CIFS_DEBUG2
ffdd6e4d 61void cifs_dump_detail(struct smb_hdr *smb)
3979877e 62{
b6b38f70 63 cERROR(1, "Cmd: %d Err: 0x%x Flags: 0x%x Flgs2: 0x%x Mid: %d Pid: %d",
3979877e 64 smb->Command, smb->Status.CifsError,
b6b38f70
JP		 65 smb->Flags, smb->Flags2, smb->Mid, smb->Pid);
66 cERROR(1, "smb buf %p len %d", smb, smbCalcSize_LE(smb));
3979877e
SF		 67}
68
69
ffdd6e4d 70void cifs_dump_mids(struct TCP_Server_Info *server)
3979877e
SF		 71{
72 struct list_head *tmp;
ffdd6e4d 73 struct mid_q_entry *mid_entry;
3979877e 74
221601c3 75 if (server == NULL)
3979877e
SF		 76 return;
77
b6b38f70 78 cERROR(1, "Dump pending requests:");
3979877e
SF		 79 spin_lock(&GlobalMid_Lock);
80 list_for_each(tmp, &server->pending_mid_q) {
81 mid_entry = list_entry(tmp, struct mid_q_entry, qhead);
b6b38f70 82 cERROR(1, "State: %d Cmd: %d Pid: %d Tsk: %p Mid %d",
ad8b15f0
SF		 83 mid_entry->midState,
84 (int)mid_entry->command,
85 mid_entry->pid,
86 mid_entry->tsk,
b6b38f70 87 mid_entry->mid);
3979877e 88#ifdef CONFIG_CIFS_STATS2
b6b38f70 89 cERROR(1, "IsLarge: %d buf: %p time rcv: %ld now: %ld",
ad8b15f0
SF		 90 mid_entry->largeBuf,
91 mid_entry->resp_buf,
92 mid_entry->when_received,
b6b38f70 93 jiffies);
3979877e 94#endif /* STATS2 */
b6b38f70
JP		 95 cERROR(1, "IsMult: %d IsEnd: %d", mid_entry->multiRsp,
96 mid_entry->multiEnd);
ad8b15f0
SF		 97 if (mid_entry->resp_buf) {
98 cifs_dump_detail(mid_entry->resp_buf);
99 cifs_dump_mem("existing buf: ",
100 mid_entry->resp_buf, 62);
3979877e
SF		 101 }
102 }
103 spin_unlock(&GlobalMid_Lock);
104}
105#endif /* CONFIG_CIFS_DEBUG2 */
106
1da177e4 107#ifdef CONFIG_PROC_FS
f984c7b9 108static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
1da177e4 109{
f1987b44 110 struct list_head *tmp1, *tmp2, *tmp3;
ffdd6e4d 111 struct mid_q_entry *mid_entry;
14fbf50d 112 struct TCP_Server_Info *server;
1da177e4
LT		 113 struct cifsSesInfo *ses;
114 struct cifsTconInfo *tcon;
f1987b44
JL		 115 int i, j;
116 __u32 dev_type;
1da177e4 117
f984c7b9 118 seq_puts(m,
1da177e4
LT		 119 "Display Internal CIFS Data Structures for Debugging\n"
120 "---------------------------------------------------\n");
f984c7b9 121 seq_printf(m, "CIFS Version %s\n", CIFS_VERSION);
ca40b714 122 seq_printf(m, "Features:");
f579903e 123#ifdef CONFIG_CIFS_DFS_UPCALL
ca40b714 124 seq_printf(m, " dfs");
f579903e
SJ		 125#endif
126#ifdef CONFIG_CIFS_FSCACHE
ca40b714 127 seq_printf(m, " fscache");
f579903e
SJ		 128#endif
129#ifdef CONFIG_CIFS_WEAK_PW_HASH
ca40b714 130 seq_printf(m, " lanman");
f579903e
SJ		 131#endif
132#ifdef CONFIG_CIFS_POSIX
ca40b714 133 seq_printf(m, " posix");
f579903e
SJ		 134#endif
135#ifdef CONFIG_CIFS_UPCALL
ca40b714 136 seq_printf(m, " spnego");
f579903e
SJ		 137#endif
138#ifdef CONFIG_CIFS_XATTR
ca40b714
JL		 139 seq_printf(m, " xattr");
140#endif
141#ifdef CONFIG_CIFS_ACL
142 seq_printf(m, " acl");
f579903e
SJ		 143#endif
144 seq_putc(m, '\n');
f984c7b9
AD		 145 seq_printf(m, "Active VFS Requests: %d\n", GlobalTotalActiveXid);
146 seq_printf(m, "Servers:");
1da177e4
LT		 147
148 i = 0;
3f9bcca7 149 spin_lock(&cifs_tcp_ses_lock);
f1987b44
JL		 150 list_for_each(tmp1, &cifs_tcp_ses_list) {
151 server = list_entry(tmp1, struct TCP_Server_Info,
14fbf50d 152 tcp_ses_list);
1da177e4 153 i++;
14fbf50d
JL		 154 list_for_each(tmp2, &server->smb_ses_list) {
155 ses = list_entry(tmp2, struct cifsSesInfo,
156 smb_ses_list);
157 if ((ses->serverDomain == NULL) ||
158 (ses->serverOS == NULL) ||
159 (ses->serverNOS == NULL)) {
f1987b44
JL		 160 seq_printf(m, "\n%d) entry for %s not fully "
161 "displayed\n\t", i, ses->serverName);
14fbf50d
JL		 162 } else {
163 seq_printf(m,
f1987b44
JL		 164 "\n%d) Name: %s Domain: %s Uses: %d OS:"
165 " %s\n\tNOS: %s\tCapability: 0x%x\n\tSMB"
221601c3 166 " session status: %d\t",
b8643e1b 167 i, ses->serverName, ses->serverDomain,
14fbf50d 168 ses->ses_count, ses->serverOS, ses->serverNOS,
221601c3 169 ses->capabilities, ses->status);
14fbf50d 170 }
f984c7b9 171 seq_printf(m, "TCP status: %d\n\tLocal Users To "
14fbf50d
JL		 172 "Server: %d SecMode: 0x%x Req On Wire: %d",
173 server->tcpStatus, server->srv_count,
174 server->secMode,
175 atomic_read(&server->inFlight));
131afd0b
SF		 176
177#ifdef CONFIG_CIFS_STATS2
f984c7b9 178 seq_printf(m, " In Send: %d In MaxReq Wait: %d",
14fbf50d
JL		 179 atomic_read(&server->inSend),
180 atomic_read(&server->num_waiters));
131afd0b
SF		 181#endif
182
f1987b44
JL		 183 seq_puts(m, "\n\tShares:");
184 j = 0;
185 list_for_each(tmp3, &ses->tcon_list) {
186 tcon = list_entry(tmp3, struct cifsTconInfo,
187 tcon_list);
188 ++j;
189 dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType);
190 seq_printf(m, "\n\t%d) %s Mounts: %d ", j,
191 tcon->treeName, tcon->tc_count);
192 if (tcon->nativeFileSystem) {
193 seq_printf(m, "Type: %s ",
194 tcon->nativeFileSystem);
195 }
196 seq_printf(m, "DevInfo: 0x%x Attributes: 0x%x"
197 "\nPathComponentMax: %d Status: 0x%d",
198 le32_to_cpu(tcon->fsDevInfo.DeviceCharacteristics),
199 le32_to_cpu(tcon->fsAttrInfo.Attributes),
200 le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength),
201 tcon->tidStatus);
202 if (dev_type == FILE_DEVICE_DISK)
203 seq_puts(m, " type: DISK ");
204 else if (dev_type == FILE_DEVICE_CD_ROM)
205 seq_puts(m, " type: CDROM ");
206 else
207 seq_printf(m, " type: %d ", dev_type);
208
209 if (tcon->need_reconnect)
210 seq_puts(m, "\tDISCONNECTED ");
211 seq_putc(m, '\n');
212 }
213
214 seq_puts(m, "\n\tMIDs:\n");
1da177e4
LT		 215
216 spin_lock(&GlobalMid_Lock);
14fbf50d 217 list_for_each(tmp3, &server->pending_mid_q) {
f1987b44 218 mid_entry = list_entry(tmp3, struct mid_q_entry,
1da177e4 219 qhead);
f1987b44 220 seq_printf(m, "\tState: %d com: %d pid:"
ad8b15f0
SF		 221 " %d tsk: %p mid %d\n",
222 mid_entry->midState,
223 (int)mid_entry->command,
224 mid_entry->pid,
225 mid_entry->tsk,
226 mid_entry->mid);
1da177e4 227 }
221601c3 228 spin_unlock(&GlobalMid_Lock);
1da177e4 229 }
1da177e4 230 }
3f9bcca7 231 spin_unlock(&cifs_tcp_ses_lock);
f984c7b9 232 seq_putc(m, '\n');
1da177e4 233
1da177e4 234 /* BB add code to dump additional info such as TCP session info now */
f984c7b9
AD		 235 return 0;
236}
1da177e4 237
f984c7b9
AD		 238static int cifs_debug_data_proc_open(struct inode *inode, struct file *file)
239{
240 return single_open(file, cifs_debug_data_proc_show, NULL);
1da177e4
LT		 241}
242
f984c7b9
AD		 243static const struct file_operations cifs_debug_data_proc_fops = {
244 .owner = THIS_MODULE,
245 .open = cifs_debug_data_proc_open,
246 .read = seq_read,
247 .llseek = seq_lseek,
248 .release = single_release,
249};
1047abc1 250
f984c7b9
AD		 251#ifdef CONFIG_CIFS_STATS
252static ssize_t cifs_stats_proc_write(struct file *file,
253 const char __user *buffer, size_t count, loff_t *ppos)
1047abc1 254{
221601c3
SF		 255 char c;
256 int rc;
f1987b44
JL		 257 struct list_head *tmp1, *tmp2, *tmp3;
258 struct TCP_Server_Info *server;
259 struct cifsSesInfo *ses;
1047abc1
SF		 260 struct cifsTconInfo *tcon;
261
221601c3
SF		 262 rc = get_user(c, buffer);
263 if (rc)
264 return rc;
1047abc1 265
221601c3 266 if (c == '1' || c == 'y' || c == 'Y' || c == '0') {
4498eed5
SF		 267#ifdef CONFIG_CIFS_STATS2
268 atomic_set(&totBufAllocCount, 0);
269 atomic_set(&totSmBufAllocCount, 0);
270#endif /* CONFIG_CIFS_STATS2 */
3f9bcca7 271 spin_lock(&cifs_tcp_ses_lock);
f1987b44
JL		 272 list_for_each(tmp1, &cifs_tcp_ses_list) {
273 server = list_entry(tmp1, struct TCP_Server_Info,
274 tcp_ses_list);
c2b3382c 275 list_for_each(tmp2, &server->smb_ses_list) {
f1987b44 276 ses = list_entry(tmp2, struct cifsSesInfo,
c2b3382c 277 smb_ses_list);
f1987b44
JL		 278 list_for_each(tmp3, &ses->tcon_list) {
279 tcon = list_entry(tmp3,
280 struct cifsTconInfo,
281 tcon_list);
282 atomic_set(&tcon->num_smbs_sent, 0);
283 atomic_set(&tcon->num_writes, 0);
284 atomic_set(&tcon->num_reads, 0);
285 atomic_set(&tcon->num_oplock_brks, 0);
286 atomic_set(&tcon->num_opens, 0);
65bc98b0
SF		 287 atomic_set(&tcon->num_posixopens, 0);
288 atomic_set(&tcon->num_posixmkdirs, 0);
f1987b44
JL		 289 atomic_set(&tcon->num_closes, 0);
290 atomic_set(&tcon->num_deletes, 0);
291 atomic_set(&tcon->num_mkdirs, 0);
292 atomic_set(&tcon->num_rmdirs, 0);
293 atomic_set(&tcon->num_renames, 0);
294 atomic_set(&tcon->num_t2renames, 0);
295 atomic_set(&tcon->num_ffirst, 0);
296 atomic_set(&tcon->num_fnext, 0);
297 atomic_set(&tcon->num_fclose, 0);
298 atomic_set(&tcon->num_hardlinks, 0);
299 atomic_set(&tcon->num_symlinks, 0);
300 atomic_set(&tcon->num_locks, 0);
301 }
302 }
1047abc1 303 }
3f9bcca7 304 spin_unlock(&cifs_tcp_ses_lock);
1047abc1
SF		 305 }
306
221601c3 307 return count;
1047abc1
SF		 308}
309
f984c7b9 310static int cifs_stats_proc_show(struct seq_file *m, void *v)
1da177e4 311{
f984c7b9 312 int i;
f1987b44
JL		 313 struct list_head *tmp1, *tmp2, *tmp3;
314 struct TCP_Server_Info *server;
315 struct cifsSesInfo *ses;
1da177e4
LT		 316 struct cifsTconInfo *tcon;
317
f984c7b9 318 seq_printf(m,
1da177e4
LT		 319 "Resources in use\nCIFS Session: %d\n",
320 sesInfoAllocCount.counter);
f984c7b9 321 seq_printf(m, "Share (unique mount targets): %d\n",
1da177e4 322 tconInfoAllocCount.counter);
f984c7b9 323 seq_printf(m, "SMB Request/Response Buffer: %d Pool size: %d\n",
b8643e1b
SF		 324 bufAllocCount.counter,
325 cifs_min_rcv + tcpSesAllocCount.counter);
f984c7b9 326 seq_printf(m, "SMB Small Req/Resp Buffer: %d Pool size: %d\n",
221601c3 327 smBufAllocCount.counter, cifs_min_small);
07475ffb 328#ifdef CONFIG_CIFS_STATS2
f984c7b9 329 seq_printf(m, "Total Large %d Small %d Allocations\n",
07475ffb 330 atomic_read(&totBufAllocCount),
221601c3 331 atomic_read(&totSmBufAllocCount));
07475ffb
SF		 332#endif /* CONFIG_CIFS_STATS2 */
333
f984c7b9
AD		 334 seq_printf(m, "Operations (MIDs): %d\n", midCount.counter);
335 seq_printf(m,
1da177e4 336 "\n%d session %d share reconnects\n",
221601c3 337 tcpSesReconnectCount.counter, tconInfoReconnectCount.counter);
1da177e4 338
f984c7b9 339 seq_printf(m,
1da177e4 340 "Total vfs operations: %d maximum at one time: %d\n",
221601c3 341 GlobalCurrentXid, GlobalMaxActiveXid);
1da177e4
LT		 342
343 i = 0;
3f9bcca7 344 spin_lock(&cifs_tcp_ses_lock);
f1987b44
JL		 345 list_for_each(tmp1, &cifs_tcp_ses_list) {
346 server = list_entry(tmp1, struct TCP_Server_Info,
347 tcp_ses_list);
348 list_for_each(tmp2, &server->smb_ses_list) {
349 ses = list_entry(tmp2, struct cifsSesInfo,
350 smb_ses_list);
351 list_for_each(tmp3, &ses->tcon_list) {
352 tcon = list_entry(tmp3,
353 struct cifsTconInfo,
354 tcon_list);
355 i++;
356 seq_printf(m, "\n%d) %s", i, tcon->treeName);
357 if (tcon->need_reconnect)
358 seq_puts(m, "\tDISCONNECTED ");
359 seq_printf(m, "\nSMBs: %d Oplock Breaks: %d",
360 atomic_read(&tcon->num_smbs_sent),
361 atomic_read(&tcon->num_oplock_brks));
362 seq_printf(m, "\nReads: %d Bytes: %lld",
363 atomic_read(&tcon->num_reads),
364 (long long)(tcon->bytes_read));
365 seq_printf(m, "\nWrites: %d Bytes: %lld",
366 atomic_read(&tcon->num_writes),
367 (long long)(tcon->bytes_written));
b298f223
SF		 368 seq_printf(m, "\nFlushes: %d",
369 atomic_read(&tcon->num_flushes));
f1987b44
JL		 370 seq_printf(m, "\nLocks: %d HardLinks: %d "
371 "Symlinks: %d",
372 atomic_read(&tcon->num_locks),
373 atomic_read(&tcon->num_hardlinks),
374 atomic_read(&tcon->num_symlinks));
65bc98b0 375 seq_printf(m, "\nOpens: %d Closes: %d "
f1987b44
JL		 376 "Deletes: %d",
377 atomic_read(&tcon->num_opens),
378 atomic_read(&tcon->num_closes),
379 atomic_read(&tcon->num_deletes));
65bc98b0
SF		 380 seq_printf(m, "\nPosix Opens: %d "
381 "Posix Mkdirs: %d",
382 atomic_read(&tcon->num_posixopens),
383 atomic_read(&tcon->num_posixmkdirs));
f1987b44
JL		 384 seq_printf(m, "\nMkdirs: %d Rmdirs: %d",
385 atomic_read(&tcon->num_mkdirs),
386 atomic_read(&tcon->num_rmdirs));
387 seq_printf(m, "\nRenames: %d T2 Renames %d",
388 atomic_read(&tcon->num_renames),
389 atomic_read(&tcon->num_t2renames));
390 seq_printf(m, "\nFindFirst: %d FNext %d "
391 "FClose %d",
392 atomic_read(&tcon->num_ffirst),
393 atomic_read(&tcon->num_fnext),
394 atomic_read(&tcon->num_fclose));
395 }
396 }
1da177e4 397 }
3f9bcca7 398 spin_unlock(&cifs_tcp_ses_lock);
1da177e4 399
f984c7b9
AD		 400 seq_putc(m, '\n');
401 return 0;
402}
221601c3 403
f984c7b9
AD		 404static int cifs_stats_proc_open(struct inode *inode, struct file *file)
405{
406 return single_open(file, cifs_stats_proc_show, NULL);
1da177e4 407}
f984c7b9
AD		 408
409static const struct file_operations cifs_stats_proc_fops = {
410 .owner = THIS_MODULE,
411 .open = cifs_stats_proc_open,
412 .read = seq_read,
413 .llseek = seq_lseek,
414 .release = single_release,
415 .write = cifs_stats_proc_write,
416};
90c81e0b 417#endif /* STATS */
1da177e4
LT		 418
419static struct proc_dir_entry *proc_fs_cifs;
f984c7b9
AD		 420static const struct file_operations cifsFYI_proc_fops;
421static const struct file_operations cifs_oplock_proc_fops;
422static const struct file_operations cifs_lookup_cache_proc_fops;
423static const struct file_operations traceSMB_proc_fops;
424static const struct file_operations cifs_multiuser_mount_proc_fops;
425static const struct file_operations cifs_security_flags_proc_fops;
426static const struct file_operations cifs_experimental_proc_fops;
427static const struct file_operations cifs_linux_ext_proc_fops;
1da177e4
LT		 428
429void
430cifs_proc_init(void)
431{
36a5aeb8 432 proc_fs_cifs = proc_mkdir("fs/cifs", NULL);
1da177e4
LT		 433 if (proc_fs_cifs == NULL)
434 return;
435
f984c7b9 436 proc_create("DebugData", 0, proc_fs_cifs, &cifs_debug_data_proc_fops);
1da177e4
LT		 437
438#ifdef CONFIG_CIFS_STATS
f984c7b9 439 proc_create("Stats", 0, proc_fs_cifs, &cifs_stats_proc_fops);
90c81e0b 440#endif /* STATS */
f984c7b9
AD		 441 proc_create("cifsFYI", 0, proc_fs_cifs, &cifsFYI_proc_fops);
442 proc_create("traceSMB", 0, proc_fs_cifs, &traceSMB_proc_fops);
443 proc_create("OplockEnabled", 0, proc_fs_cifs, &cifs_oplock_proc_fops);
99b1f5b2
SF		 444 proc_create("Experimental", 0, proc_fs_cifs,
445 &cifs_experimental_proc_fops);
446 proc_create("LinuxExtensionsEnabled", 0, proc_fs_cifs,
447 &cifs_linux_ext_proc_fops);
448 proc_create("MultiuserMount", 0, proc_fs_cifs,
449 &cifs_multiuser_mount_proc_fops);
450 proc_create("SecurityFlags", 0, proc_fs_cifs,
451 &cifs_security_flags_proc_fops);
452 proc_create("LookupCacheEnabled", 0, proc_fs_cifs,
453 &cifs_lookup_cache_proc_fops);
1da177e4
LT		 454}
455
456void
457cifs_proc_clean(void)
458{
459 if (proc_fs_cifs == NULL)
460 return;
461
462 remove_proc_entry("DebugData", proc_fs_cifs);
463 remove_proc_entry("cifsFYI", proc_fs_cifs);
464 remove_proc_entry("traceSMB", proc_fs_cifs);
465#ifdef CONFIG_CIFS_STATS
466 remove_proc_entry("Stats", proc_fs_cifs);
467#endif
468 remove_proc_entry("MultiuserMount", proc_fs_cifs);
469 remove_proc_entry("OplockEnabled", proc_fs_cifs);
221601c3 470 remove_proc_entry("SecurityFlags", proc_fs_cifs);
221601c3
SF		 471 remove_proc_entry("LinuxExtensionsEnabled", proc_fs_cifs);
472 remove_proc_entry("Experimental", proc_fs_cifs);
473 remove_proc_entry("LookupCacheEnabled", proc_fs_cifs);
36a5aeb8 474 remove_proc_entry("fs/cifs", NULL);
1da177e4
LT		 475}
476
f984c7b9 477static int cifsFYI_proc_show(struct seq_file *m, void *v)
1da177e4 478{
f984c7b9
AD		 479 seq_printf(m, "%d\n", cifsFYI);
480 return 0;
481}
1da177e4 482
f984c7b9
AD		 483static int cifsFYI_proc_open(struct inode *inode, struct file *file)
484{
485 return single_open(file, cifsFYI_proc_show, NULL);
1da177e4 486}
f984c7b9
AD		 487
488static ssize_t cifsFYI_proc_write(struct file *file, const char __user *buffer,
489 size_t count, loff_t *ppos)
1da177e4
LT		 490{
491 char c;
492 int rc;
493
494 rc = get_user(c, buffer);
495 if (rc)
496 return rc;
497 if (c == '0' || c == 'n' || c == 'N')
498 cifsFYI = 0;
499 else if (c == '1' || c == 'y' || c == 'Y')
500 cifsFYI = 1;
221601c3 501 else if ((c > '1') && (c <= '9'))
1047abc1 502 cifsFYI = (int) (c - '0'); /* see cifs_debug.h for meanings */
1da177e4
LT		 503
504 return count;
505}
506
f984c7b9
AD		 507static const struct file_operations cifsFYI_proc_fops = {
508 .owner = THIS_MODULE,
509 .open = cifsFYI_proc_open,
510 .read = seq_read,
511 .llseek = seq_lseek,
512 .release = single_release,
513 .write = cifsFYI_proc_write,
514};
1da177e4 515
f984c7b9
AD		 516static int cifs_oplock_proc_show(struct seq_file *m, void *v)
517{
518 seq_printf(m, "%d\n", oplockEnabled);
519 return 0;
520}
1da177e4 521
f984c7b9
AD		 522static int cifs_oplock_proc_open(struct inode *inode, struct file *file)
523{
524 return single_open(file, cifs_oplock_proc_show, NULL);
1da177e4 525}
f984c7b9
AD		 526
527static ssize_t cifs_oplock_proc_write(struct file *file,
528 const char __user *buffer, size_t count, loff_t *ppos)
1da177e4
LT		 529{
530 char c;
531 int rc;
532
533 rc = get_user(c, buffer);
534 if (rc)
535 return rc;
536 if (c == '0' || c == 'n' || c == 'N')
537 oplockEnabled = 0;
538 else if (c == '1' || c == 'y' || c == 'Y')
539 oplockEnabled = 1;
540
541 return count;
542}
543
f984c7b9
AD		 544static const struct file_operations cifs_oplock_proc_fops = {
545 .owner = THIS_MODULE,
546 .open = cifs_oplock_proc_open,
547 .read = seq_read,
548 .llseek = seq_lseek,
549 .release = single_release,
550 .write = cifs_oplock_proc_write,
551};
1da177e4 552
f984c7b9
AD		 553static int cifs_experimental_proc_show(struct seq_file *m, void *v)
554{
555 seq_printf(m, "%d\n", experimEnabled);
556 return 0;
557}
1da177e4 558
f984c7b9
AD		 559static int cifs_experimental_proc_open(struct inode *inode, struct file *file)
560{
561 return single_open(file, cifs_experimental_proc_show, NULL);
1da177e4 562}
f984c7b9
AD		 563
564static ssize_t cifs_experimental_proc_write(struct file *file,
565 const char __user *buffer, size_t count, loff_t *ppos)
1da177e4 566{
ec637e3f
SF		 567 char c;
568 int rc;
1da177e4 569
ec637e3f
SF		 570 rc = get_user(c, buffer);
571 if (rc)
572 return rc;
573 if (c == '0' || c == 'n' || c == 'N')
574 experimEnabled = 0;
575 else if (c == '1' || c == 'y' || c == 'Y')
576 experimEnabled = 1;
577 else if (c == '2')
578 experimEnabled = 2;
1da177e4 579
ec637e3f 580 return count;
1da177e4
LT		 581}
582
f984c7b9
AD		 583static const struct file_operations cifs_experimental_proc_fops = {
584 .owner = THIS_MODULE,
585 .open = cifs_experimental_proc_open,
586 .read = seq_read,
587 .llseek = seq_lseek,
588 .release = single_release,
589 .write = cifs_experimental_proc_write,
590};
1da177e4 591
f984c7b9
AD		 592static int cifs_linux_ext_proc_show(struct seq_file *m, void *v)
593{
594 seq_printf(m, "%d\n", linuxExtEnabled);
595 return 0;
596}
1da177e4 597
f984c7b9
AD		 598static int cifs_linux_ext_proc_open(struct inode *inode, struct file *file)
599{
600 return single_open(file, cifs_linux_ext_proc_show, NULL);
1da177e4 601}
f984c7b9
AD		 602
603static ssize_t cifs_linux_ext_proc_write(struct file *file,
604 const char __user *buffer, size_t count, loff_t *ppos)
1da177e4 605{
221601c3
SF		 606 char c;
607 int rc;
608
609 rc = get_user(c, buffer);
610 if (rc)
611 return rc;
612 if (c == '0' || c == 'n' || c == 'N')
613 linuxExtEnabled = 0;
614 else if (c == '1' || c == 'y' || c == 'Y')
615 linuxExtEnabled = 1;
616
617 return count;
1da177e4
LT		 618}
619
f984c7b9
AD		 620static const struct file_operations cifs_linux_ext_proc_fops = {
621 .owner = THIS_MODULE,
622 .open = cifs_linux_ext_proc_open,
623 .read = seq_read,
624 .llseek = seq_lseek,
625 .release = single_release,
626 .write = cifs_linux_ext_proc_write,
627};
1da177e4 628
f984c7b9 629static int cifs_lookup_cache_proc_show(struct seq_file *m, void *v)
1da177e4 630{
f984c7b9
AD		 631 seq_printf(m, "%d\n", lookupCacheEnabled);
632 return 0;
633}
1da177e4 634
f984c7b9
AD		 635static int cifs_lookup_cache_proc_open(struct inode *inode, struct file *file)
636{
637 return single_open(file, cifs_lookup_cache_proc_show, NULL);
1da177e4 638}
f984c7b9
AD		 639
640static ssize_t cifs_lookup_cache_proc_write(struct file *file,
641 const char __user *buffer, size_t count, loff_t *ppos)
1da177e4
LT		 642{
643 char c;
644 int rc;
645
646 rc = get_user(c, buffer);
647 if (rc)
648 return rc;
649 if (c == '0' || c == 'n' || c == 'N')
650 lookupCacheEnabled = 0;
651 else if (c == '1' || c == 'y' || c == 'Y')
652 lookupCacheEnabled = 1;
653
654 return count;
655}
1da177e4 656
f984c7b9
AD		 657static const struct file_operations cifs_lookup_cache_proc_fops = {
658 .owner = THIS_MODULE,
659 .open = cifs_lookup_cache_proc_open,
660 .read = seq_read,
661 .llseek = seq_lseek,
662 .release = single_release,
663 .write = cifs_lookup_cache_proc_write,
664};
1da177e4 665
f984c7b9
AD		 666static int traceSMB_proc_show(struct seq_file *m, void *v)
667{
668 seq_printf(m, "%d\n", traceSMB);
669 return 0;
670}
1da177e4 671
f984c7b9
AD		 672static int traceSMB_proc_open(struct inode *inode, struct file *file)
673{
674 return single_open(file, traceSMB_proc_show, NULL);
1da177e4 675}
f984c7b9
AD		 676
677static ssize_t traceSMB_proc_write(struct file *file, const char __user *buffer,
678 size_t count, loff_t *ppos)
1da177e4
LT		 679{
680 char c;
681 int rc;
682
683 rc = get_user(c, buffer);
684 if (rc)
685 return rc;
686 if (c == '0' || c == 'n' || c == 'N')
687 traceSMB = 0;
688 else if (c == '1' || c == 'y' || c == 'Y')
689 traceSMB = 1;
690
691 return count;
692}
693
f984c7b9
AD		 694static const struct file_operations traceSMB_proc_fops = {
695 .owner = THIS_MODULE,
696 .open = traceSMB_proc_open,
697 .read = seq_read,
698 .llseek = seq_lseek,
699 .release = single_release,
700 .write = traceSMB_proc_write,
701};
1da177e4 702
f984c7b9
AD		 703static int cifs_multiuser_mount_proc_show(struct seq_file *m, void *v)
704{
705 seq_printf(m, "%d\n", multiuser_mount);
706 return 0;
707}
1da177e4 708
99b1f5b2 709static int cifs_multiuser_mount_proc_open(struct inode *inode, struct file *fh)
f984c7b9 710{
99b1f5b2 711 return single_open(fh, cifs_multiuser_mount_proc_show, NULL);
1da177e4 712}
f984c7b9
AD		 713
714static ssize_t cifs_multiuser_mount_proc_write(struct file *file,
715 const char __user *buffer, size_t count, loff_t *ppos)
1da177e4
LT		 716{
717 char c;
718 int rc;
719
720 rc = get_user(c, buffer);
721 if (rc)
722 return rc;
723 if (c == '0' || c == 'n' || c == 'N')
724 multiuser_mount = 0;
725 else if (c == '1' || c == 'y' || c == 'Y')
726 multiuser_mount = 1;
727
728 return count;
729}
730
f984c7b9
AD		 731static const struct file_operations cifs_multiuser_mount_proc_fops = {
732 .owner = THIS_MODULE,
733 .open = cifs_multiuser_mount_proc_open,
734 .read = seq_read,
735 .llseek = seq_lseek,
736 .release = single_release,
737 .write = cifs_multiuser_mount_proc_write,
738};
1da177e4 739
f984c7b9
AD		 740static int cifs_security_flags_proc_show(struct seq_file *m, void *v)
741{
04912d6a 742 seq_printf(m, "0x%x\n", global_secflags);
f984c7b9
AD		 743 return 0;
744}
1da177e4 745
f984c7b9
AD		 746static int cifs_security_flags_proc_open(struct inode *inode, struct file *file)
747{
748 return single_open(file, cifs_security_flags_proc_show, NULL);
1da177e4 749}
f984c7b9
AD		 750
751static ssize_t cifs_security_flags_proc_write(struct file *file,
752 const char __user *buffer, size_t count, loff_t *ppos)
1da177e4 753{
bdc4bf6e
SF		 754 unsigned int flags;
755 char flags_string[12];
1da177e4 756 char c;
bdc4bf6e 757
221601c3 758 if ((count < 1) || (count > 11))
3979877e 759 return -EINVAL;
1da177e4 760
bdc4bf6e 761 memset(flags_string, 0, 12);
3979877e 762
221601c3 763 if (copy_from_user(flags_string, buffer, count))
bdc4bf6e 764 return -EFAULT;
3979877e 765
221601c3 766 if (count < 3) {
bdc4bf6e
SF		 767 /* single char or single char followed by null */
768 c = flags_string[0];
a013689d 769 if (c == '0' || c == 'n' || c == 'N') {
04912d6a 770 global_secflags = CIFSSEC_DEF; /* default */
a013689d
SF		 771 return count;
772 } else if (c == '1' || c == 'y' || c == 'Y') {
04912d6a 773 global_secflags = CIFSSEC_MAX;
a013689d
SF		 774 return count;
775 } else if (!isdigit(c)) {
b6b38f70 776 cERROR(1, "invalid flag %c", c);
a013689d
SF		 777 return -EINVAL;
778 }
bdc4bf6e
SF		 779 }
780 /* else we have a number */
781
782 flags = simple_strtoul(flags_string, NULL, 0);
783
b6b38f70 784 cFYI(1, "sec flags 0x%x", flags);
bdc4bf6e 785
221601c3 786 if (flags <= 0) {
b6b38f70 787 cERROR(1, "invalid security flags %s", flags_string);
bdc4bf6e
SF		 788 return -EINVAL;
789 }
1da177e4 790
221601c3 791 if (flags & ~CIFSSEC_MASK) {
b6b38f70
JP		 792 cERROR(1, "attempt to set unsupported security flags 0x%x",
793 flags & ~CIFSSEC_MASK);
bdc4bf6e
SF		 794 return -EINVAL;
795 }
796 /* flags look ok - update the global security flags for cifs module */
04912d6a
JL		 797 global_secflags = flags;
798 if (global_secflags & CIFSSEC_MUST_SIGN) {
762e5ab7 799 /* requiring signing implies signing is allowed */
04912d6a 800 global_secflags |= CIFSSEC_MAY_SIGN;
b6b38f70 801 cFYI(1, "packet signing now required");
04912d6a 802 } else if ((global_secflags & CIFSSEC_MAY_SIGN) == 0) {
b6b38f70 803 cFYI(1, "packet signing disabled");
762e5ab7
SF		 804 }
805 /* BB should we turn on MAY flags for other MUST options? */
1da177e4
LT		 806 return count;
807}
f984c7b9
AD		 808
809static const struct file_operations cifs_security_flags_proc_fops = {
810 .owner = THIS_MODULE,
811 .open = cifs_security_flags_proc_open,
812 .read = seq_read,
813 .llseek = seq_lseek,
814 .release = single_release,
815 .write = cifs_security_flags_proc_write,
816};
90c81e0b 817#else
e086fcea 818inline void cifs_proc_init(void)
90c81e0b
SF		 819{
820}
821
e086fcea 822inline void cifs_proc_clean(void)
90c81e0b
SF		 823{
824}
825#endif /* PROC_FS */
kernel source for telekom puls (alcatel/mediatek)