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[CIFS] Add new nostrictsync cifs mount option to avoid slow SMB flush
[deliverable/linux.git] / fs / cifs / cifsproto.h
CommitLineData
1da177e4
LT		 1/*
2 * fs/cifs/cifsproto.h
3 *
366781c1 4 * Copyright (c) International Business Machines Corp., 2002,2008
1da177e4
LT		 5 * Author(s): Steve French (sfrench@us.ibm.com)
6 *
7 * This library is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU Lesser General Public License as published
9 * by the Free Software Foundation; either version 2.1 of the License, or
10 * (at your option) any later version.
11 *
12 * This library 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
15 * the GNU Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public License
18 * along with this library; if not, write to the Free Software
d38d8c74 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
1da177e4
LT		 20 */
21#ifndef _CIFSPROTO_H
22#define _CIFSPROTO_H
23#include <linux/nls.h>
24
25struct statfs;
8af18971 26struct smb_vol;
1da177e4
LT		 27
28/*
29 *****************************************************************
30 * All Prototypes
31 *****************************************************************
32 */
33
34extern struct smb_hdr *cifs_buf_get(void);
35extern void cifs_buf_release(void *);
36extern struct smb_hdr *cifs_small_buf_get(void);
37extern void cifs_small_buf_release(void *);
0496e02d
JL		 38extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *,
39 unsigned int /* length */);
1da177e4
LT		 40extern unsigned int _GetXid(void);
41extern void _FreeXid(unsigned int);
a001e5b5 42#define GetXid() (int)_GetXid(); cFYI(1,("CIFS VFS: in %s as Xid: %d with uid: %d",__func__, xid,current_fsuid()));
55f78e17 43#define FreeXid(curr_xid) {_FreeXid(curr_xid); cFYI(1,("CIFS VFS: leaving %s (xid = %d) rc = %d",__func__,curr_xid,(int)rc));}
7f57356b 44extern char *build_path_from_dentry(struct dentry *);
e4cce94c 45extern char *cifs_build_path_to_root(struct cifs_sb_info *cifs_sb);
1da177e4 46extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
99ee4dbd 47/* extern void renew_parental_timestamps(struct dentry *direntry);*/
1da177e4
LT		 48extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *,
49 struct smb_hdr * /* input */ ,
50 struct smb_hdr * /* out */ ,
51 int * /* bytes returned */ , const int long_op);
133672ef
SF		 52extern int SendReceiveNoRsp(const unsigned int xid, struct cifsSesInfo *ses,
53 struct smb_hdr *in_buf, int flags);
d6e04ae6 54extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *,
d38d8c74 55 struct kvec *, int /* nvec to send */,
133672ef 56 int * /* type of buf returned */ , const int flags);
ad7a2926
SF		 57extern int SendReceiveBlockingLock(const unsigned int xid,
58 struct cifsTconInfo *ptcon,
59 struct smb_hdr *in_buf ,
60 struct smb_hdr *out_buf,
61 int *bytes_returned);
d103e164 62extern int checkSMB(struct smb_hdr *smb, __u16 mid, unsigned int length);
4b18f2a9
SF		 63extern bool is_valid_oplock_break(struct smb_hdr *smb,
64 struct TCP_Server_Info *);
65extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
6148a742 66extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *);
630f3f0c
SF		 67#ifdef CONFIG_CIFS_EXPERIMENTAL
68extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *);
69#endif
1da177e4 70extern unsigned int smbCalcSize(struct smb_hdr *ptr);
70ca734a 71extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr);
1da177e4
LT		 72extern int decode_negTokenInit(unsigned char *security_blob, int length,
73 enum securityEnum *secType);
7c5e628f 74extern int cifs_inet_pton(const int, const char *source, void *dst);
a761ac57 75extern int map_smb_to_linux_error(struct smb_hdr *smb, int logErr);
1da177e4 76extern void header_assemble(struct smb_hdr *, char /* command */ ,
1982c344
SF		 77 const struct cifsTconInfo *, int /* length of
78 fixed section (word count) in two byte units */);
5815449d
SF		 79extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
80 struct cifsSesInfo *ses,
50c2f753 81 void **request_buf);
5815449d 82extern int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses,
d38d8c74 83 const int stage,
5815449d 84 const struct nls_table *nls_cp);
1982c344 85extern __u16 GetNextMid(struct TCP_Server_Info *server);
50c2f753 86extern struct oplock_q_entry *AllocOplockQEntry(struct inode *, u16,
737b758c 87 struct cifsTconInfo *);
1da177e4 88extern void DeleteOplockQEntry(struct oplock_q_entry *);
5d941ca6 89extern void DeleteTconOplockQEntries(struct cifsTconInfo *);
ad7a2926 90extern struct timespec cifs_NTtimeToUnix(u64 utc_nanoseconds_since_1601);
1da177e4 91extern u64 cifs_UnixTimeToNT(struct timespec);
1bd5bbcb
SF		 92extern __le64 cnvrtDosCifsTm(__u16 date, __u16 time);
93extern struct timespec cnvrtDosUnixTm(__u16 date, __u16 time);
94
44f68fad
JL		 95extern void posix_fill_in_inode(struct inode *tmp_inode,
96 FILE_UNIX_BASIC_INFO *pData, int isNewInode);
950ec528 97extern struct inode *cifs_new_inode(struct super_block *sb, __u64 *inum);
1da177e4 98extern int cifs_get_inode_info(struct inode **pinode,
d38d8c74 99 const unsigned char *search_path,
582d21e5 100 FILE_ALL_INFO *pfile_info,
8b1327f6 101 struct super_block *sb, int xid, const __u16 *pfid);
1da177e4
LT		 102extern int cifs_get_inode_info_unix(struct inode **pinode,
103 const unsigned char *search_path,
d38d8c74 104 struct super_block *sb, int xid);
8b1327f6
SF		 105extern void acl_to_uid_mode(struct inode *inode, const char *path,
106 const __u16 *pfid);
97837582 107extern int mode_to_acl(struct inode *inode, const char *path, __u64);
953f8681 108
1da177e4
LT		 109extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
110 const char *);
111extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
78d31a3a 112extern void cifs_dfs_release_automount_timer(void);
1da177e4
LT		 113void cifs_proc_init(void);
114void cifs_proc_clean(void);
115
d38d8c74
SF		 116extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
117 struct nls_table *nls_info);
1da177e4
LT		 118extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
119
120extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
121 const char *tree, struct cifsTconInfo *tcon,
122 const struct nls_table *);
123
124extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
ec637e3f 125 const char *searchName, const struct nls_table *nls_codepage,
d38d8c74 126 __u16 *searchHandle, struct cifs_search_info *psrch_inf,
ec637e3f 127 int map, const char dirsep);
1da177e4
LT		 128
129extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
d38d8c74 130 __u16 searchHandle, struct cifs_search_info *psrch_inf);
1da177e4
LT		 131
132extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
133 const __u16 search_handle);
134
135extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
136 const unsigned char *searchName,
582d21e5 137 FILE_ALL_INFO *findData,
acf1a1b1 138 int legacy /* whether to use old info level */,
737b758c 139 const struct nls_table *nls_codepage, int remap);
6b8edfe0 140extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
d38d8c74
SF		 141 const unsigned char *searchName,
142 FILE_ALL_INFO *findData,
143 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 144
145extern int CIFSSMBUnixQPathInfo(const int xid,
146 struct cifsTconInfo *tcon,
147 const unsigned char *searchName,
582d21e5 148 FILE_UNIX_BASIC_INFO *pFindData,
737b758c 149 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 150
151extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
152 const unsigned char *searchName,
c2cf07d5
SF		 153 struct dfs_info3_param **target_nodes,
154 unsigned int *number_of_nodes_in_array,
737b758c 155 const struct nls_table *nls_codepage, int remap);
1da177e4 156
1da177e4 157extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
d38d8c74 158 const char *old_path,
737b758c 159 const struct nls_table *nls_codepage,
d38d8c74 160 unsigned int *pnum_referrals,
366781c1 161 struct dfs_info3_param **preferrals,
737b758c 162 int remap);
8af18971 163extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
d38d8c74 164 struct super_block *sb, struct smb_vol *vol);
1da177e4 165extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
737b758c 166 struct kstatfs *FSData);
20962438
SF		 167extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon,
168 struct kstatfs *FSData);
45abc6ee 169extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
ac67055e
JA		 170 __u64 cap);
171
1da177e4 172extern int CIFSSMBQFSAttributeInfo(const int xid,
737b758c
SF		 173 struct cifsTconInfo *tcon);
174extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
175extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
1da177e4 176extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
737b758c 177 struct kstatfs *FSData);
1da177e4 178
6fc000e5 179extern int CIFSSMBSetPathInfo(const int xid, struct cifsTconInfo *tcon,
ad7a2926 180 const char *fileName, const FILE_BASIC_INFO *data,
737b758c
SF		 181 const struct nls_table *nls_codepage,
182 int remap_special_chars);
2dd2dfa0
JL		 183extern int CIFSSMBSetFileInfo(const int xid, struct cifsTconInfo *tcon,
184 const FILE_BASIC_INFO *data, __u16 fid,
185 __u32 pid_of_opener);
6d22f098
JL		 186extern int CIFSSMBSetFileDisposition(const int xid, struct cifsTconInfo *tcon,
187 bool delete_file, __u16 fid, __u32 pid_of_opener);
1da177e4
LT		 188#if 0
189extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
190 char *fileName, __u16 dos_attributes,
191 const struct nls_table *nls_codepage);
192#endif /* possibly unneeded function */
193extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
737b758c 194 const char *fileName, __u64 size,
4b18f2a9 195 bool setAllocationSizeFlag,
737b758c
SF		 196 const struct nls_table *nls_codepage,
197 int remap_special_chars);
1da177e4 198extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
d38d8c74 199 __u64 size, __u16 fileHandle, __u32 opener_pid,
4b18f2a9 200 bool AllocSizeFlag);
4e1e7fb9
JL		 201
202struct cifs_unix_set_info_args {
203 __u64 ctime;
204 __u64 atime;
205 __u64 mtime;
206 __u64 mode;
207 __u64 uid;
208 __u64 gid;
209 dev_t device;
210};
211
212extern int CIFSSMBUnixSetInfo(const int xid, struct cifsTconInfo *pTcon,
213 char *fileName,
214 const struct cifs_unix_set_info_args *args,
737b758c
SF		 215 const struct nls_table *nls_codepage,
216 int remap_special_chars);
1da177e4
LT		 217
218extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
219 const char *newName,
737b758c
SF		 220 const struct nls_table *nls_codepage,
221 int remap_special_chars);
1da177e4 222extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
737b758c
SF		 223 const char *name, const struct nls_table *nls_codepage,
224 int remap_special_chars);
2d785a50
SF		 225extern int CIFSPOSIXDelFile(const int xid, struct cifsTconInfo *tcon,
226 const char *name, __u16 type,
227 const struct nls_table *nls_codepage,
228 int remap_special_chars);
1da177e4
LT		 229extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
230 const char *name,
737b758c
SF		 231 const struct nls_table *nls_codepage,
232 int remap_special_chars);
1da177e4
LT		 233extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
234 const char *fromName, const char *toName,
737b758c
SF		 235 const struct nls_table *nls_codepage,
236 int remap_special_chars);
d38d8c74 237extern int CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon,
391e5755 238 int netfid, const char *target_name,
737b758c
SF		 239 const struct nls_table *nls_codepage,
240 int remap_special_chars);
1da177e4
LT		 241extern int CIFSCreateHardLink(const int xid,
242 struct cifsTconInfo *tcon,
243 const char *fromName, const char *toName,
737b758c
SF		 244 const struct nls_table *nls_codepage,
245 int remap_special_chars);
1da177e4
LT		 246extern int CIFSUnixCreateHardLink(const int xid,
247 struct cifsTconInfo *tcon,
248 const char *fromName, const char *toName,
d38d8c74 249 const struct nls_table *nls_codepage,
737b758c 250 int remap_special_chars);
1da177e4
LT		 251extern int CIFSUnixCreateSymLink(const int xid,
252 struct cifsTconInfo *tcon,
253 const char *fromName, const char *toName,
254 const struct nls_table *nls_codepage);
255extern int CIFSSMBUnixQuerySymLink(const int xid,
256 struct cifsTconInfo *tcon,
257 const unsigned char *searchName,
258 char *syminfo, const int buflen,
259 const struct nls_table *nls_codepage);
d38d8c74 260extern int CIFSSMBQueryReparseLinkInfo(const int xid,
1da177e4
LT		 261 struct cifsTconInfo *tcon,
262 const unsigned char *searchName,
263 char *symlinkinfo, const int buflen, __u16 fid,
264 const struct nls_table *nls_codepage);
265
266extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
267 const char *fileName, const int disposition,
268 const int access_flags, const int omode,
8840dee9 269 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
737b758c 270 const struct nls_table *nls_codepage, int remap);
a9d02ad4
SF		 271extern int SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon,
272 const char *fileName, const int disposition,
273 const int access_flags, const int omode,
8840dee9 274 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
a9d02ad4 275 const struct nls_table *nls_codepage, int remap);
d38d8c74 276extern int CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon,
8840dee9 277 u32 posix_flags, __u64 mode, __u16 *netfid,
2dd29d31
SF		 278 FILE_UNIX_BASIC_INFO *pRetData,
279 __u32 *pOplock, const char *name,
d38d8c74 280 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 281extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
282 const int smb_file_id);
283
b298f223
SF		 284extern int CIFSSMBFlush(const int xid, struct cifsTconInfo *tcon,
285 const int smb_file_id);
286
1da177e4 287extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
d38d8c74
SF		 288 const int netfid, unsigned int count,
289 const __u64 lseek, unsigned int *nbytes, char **buf,
290 int *return_buf_type);
1da177e4
LT		 291extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
292 const int netfid, const unsigned int count,
293 const __u64 lseek, unsigned int *nbytes,
d38d8c74 294 const char *buf, const char __user *ubuf,
1da177e4 295 const int long_op);
1da177e4
LT		 296extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
297 const int netfid, const unsigned int count,
d38d8c74 298 const __u64 offset, unsigned int *nbytes,
3e84469d 299 struct kvec *iov, const int nvec, const int long_op);
1da177e4 300extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
8840dee9 301 const unsigned char *searchName, __u64 *inode_number,
d38d8c74 302 const struct nls_table *nls_codepage,
737b758c 303 int remap_special_chars);
b1a45695 304extern int cifs_convertUCSpath(char *target, const __le16 *source, int maxlen,
d38d8c74
SF		 305 const struct nls_table *codepage);
306extern int cifsConvertToUCS(__le16 *target, const char *source, int maxlen,
307 const struct nls_table *cp, int mapChars);
1da177e4
LT		 308
309extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
310 const __u16 netfid, const __u64 len,
311 const __u64 offset, const __u32 numUnlock,
312 const __u32 numLock, const __u8 lockType,
4b18f2a9 313 const bool waitFlag);
08547b03
SF		 314extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
315 const __u16 smb_file_id, const int get_flag,
d38d8c74 316 const __u64 len, struct file_lock *,
4b18f2a9 317 const __u16 lock_type, const bool waitFlag);
1da177e4
LT		 318extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
319extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
320
321extern struct cifsSesInfo *sesInfoAlloc(void);
322extern void sesInfoFree(struct cifsSesInfo *);
323extern struct cifsTconInfo *tconInfoAlloc(void);
324extern void tconInfoFree(struct cifsTconInfo *);
325
d38d8c74 326extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
84afc29b
SF		 327extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
328 __u32 *);
b609f06a
SF		 329extern int cifs_verify_signature(struct smb_hdr *,
330 const struct mac_key *mac_key,
331 __u32 expected_sequence_number);
332extern int cifs_calculate_mac_key(struct mac_key *key, const char *rn,
333 const char *pass);
d38d8c74 334extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *,
1717ffc5 335 const struct nls_table *);
26f57364 336extern void CalcNTLMv2_response(const struct cifsSesInfo *, char *);
d38d8c74 337extern void setup_ntlmv2_rsp(struct cifsSesInfo *, char *,
1717ffc5 338 const struct nls_table *);
7c7b25bc 339#ifdef CONFIG_CIFS_WEAK_PW_HASH
4e53a3fb
JL		 340extern void calc_lanman_hash(const char *password, const char *cryptkey,
341 bool encrypt, char *lnm_session_key);
7c7b25bc 342#endif /* CIFS_WEAK_PW_HASH */
1da177e4
LT		 343extern int CIFSSMBCopy(int xid,
344 struct cifsTconInfo *source_tcon,
345 const char *fromName,
346 const __u16 target_tid,
347 const char *toName, const int flags,
50c2f753 348 const struct nls_table *nls_codepage,
737b758c 349 int remap_special_chars);
50c2f753 350extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
d38d8c74
SF		 351 const int notify_subdirs, const __u16 netfid,
352 __u32 filter, struct file *file, int multishot,
167a251a 353 const struct nls_table *nls_codepage);
1da177e4 354extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
d38d8c74 355 const unsigned char *searchName, char *EAData,
737b758c
SF		 356 size_t bufsize, const struct nls_table *nls_codepage,
357 int remap_special_chars);
d38d8c74 358extern ssize_t CIFSSMBQueryEA(const int xid, struct cifsTconInfo *tcon,
50c2f753 359 const unsigned char *searchName, const unsigned char *ea_name,
d38d8c74 360 unsigned char *ea_value, size_t buf_size,
737b758c 361 const struct nls_table *nls_codepage, int remap_special_chars);
d38d8c74
SF		 362extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
363 const char *fileName, const char *ea_name,
364 const void *ea_value, const __u16 ea_value_len,
737b758c 365 const struct nls_table *nls_codepage, int remap_special_chars);
0a4b92c0 366extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon,
630f3f0c 367 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
97837582
SF		 368extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo *, __u16,
369 struct cifs_ntsd *, __u32);
1da177e4
LT		 370extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
371 const unsigned char *searchName,
d38d8c74 372 char *acl_inf, const int buflen, const int acl_type,
737b758c 373 const struct nls_table *nls_codepage, int remap_special_chars);
1da177e4
LT		 374extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
375 const unsigned char *fileName,
376 const char *local_acl, const int buflen, const int acl_type,
737b758c 377 const struct nls_table *nls_codepage, int remap_special_chars);
f654bac2 378extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
8840dee9 379 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
1da177e4 380#endif /* _CIFSPROTO_H */
Linux kernel - Deliverables
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