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CIFS: Simplify inFlight logic
[mirror_ubuntu-zesty-kernel.git] / fs / cifs / cifsproto.h
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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);
b6b38f70
JP		 42#define GetXid() \
43({ \
44 int __xid = (int)_GetXid(); \
45 cFYI(1, "CIFS VFS: in %s as Xid: %d with uid: %d", \
46 __func__, __xid, current_fsuid()); \
47 __xid; \
48})
49
50#define FreeXid(curr_xid) \
51do { \
52 _FreeXid(curr_xid); \
53 cFYI(1, "CIFS VFS: leaving %s (xid = %d) rc = %d", \
54 __func__, curr_xid, (int)rc); \
55} while (0)
4d79dba0
SP		 56extern int init_cifs_idmap(void);
57extern void exit_cifs_idmap(void);
58extern void cifs_destroy_idmaptrees(void);
7f57356b 59extern char *build_path_from_dentry(struct dentry *);
f87d39d9
SF		 60extern char *cifs_build_path_to_root(struct smb_vol *vol,
61 struct cifs_sb_info *cifs_sb,
96daf2b0 62 struct cifs_tcon *tcon);
1da177e4 63extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
c6c00919
SF		 64extern char *cifs_compose_mount_options(const char *sb_mountdata,
65 const char *fullpath, const struct dfs_info3_param *ref,
66 char **devname);
99ee4dbd 67/* extern void renew_parental_timestamps(struct dentry *direntry);*/
a6827c18
JL		 68extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer,
69 struct TCP_Server_Info *server);
766fdbb5 70extern void DeleteMidQEntry(struct mid_q_entry *midEntry);
fcc31cb6 71extern int cifs_call_async(struct TCP_Server_Info *server, struct kvec *iov,
44d22d84
JL		 72 unsigned int nvec, mid_receive_t *receive,
73 mid_callback_t *callback, void *cbdata,
74 bool ignore_pend);
96daf2b0 75extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *,
1da177e4
LT		 76 struct smb_hdr * /* input */ ,
77 struct smb_hdr * /* out */ ,
78 int * /* bytes returned */ , const int long_op);
96daf2b0 79extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
133672ef 80 struct smb_hdr *in_buf, int flags);
2c8f981d
JL		 81extern int cifs_check_receive(struct mid_q_entry *mid,
82 struct TCP_Server_Info *server, bool log_error);
96daf2b0 83extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
d38d8c74 84 struct kvec *, int /* nvec to send */,
133672ef 85 int * /* type of buf returned */ , const int flags);
ad7a2926 86extern int SendReceiveBlockingLock(const unsigned int xid,
96daf2b0 87 struct cifs_tcon *ptcon,
ad7a2926
SF		 88 struct smb_hdr *in_buf ,
89 struct smb_hdr *out_buf,
90 int *bytes_returned);
d103e164 91extern int checkSMB(struct smb_hdr *smb, __u16 mid, unsigned int length);
4b18f2a9
SF		 92extern bool is_valid_oplock_break(struct smb_hdr *smb,
93 struct TCP_Server_Info *);
3d3ea8e6 94extern bool backup_cred(struct cifs_sb_info *);
4b18f2a9 95extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
72432ffc
PS		 96extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
97 unsigned int bytes_written);
6508d904 98extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool);
6508d904 99extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
1da177e4
LT		 100extern unsigned int smbCalcSize(struct smb_hdr *ptr);
101extern int decode_negTokenInit(unsigned char *security_blob, int length,
26efa0ba 102 struct TCP_Server_Info *server);
67b7626a 103extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
32670396 104extern int cifs_set_port(struct sockaddr *addr, const unsigned short int port);
67b7626a 105extern int cifs_fill_sockaddr(struct sockaddr *dst, const char *src, int len,
32670396 106 const unsigned short int port);
2c8f981d 107extern int map_smb_to_linux_error(struct smb_hdr *smb, bool logErr);
1da177e4 108extern void header_assemble(struct smb_hdr *, char /* command */ ,
96daf2b0 109 const struct cifs_tcon *, int /* length of
1982c344 110 fixed section (word count) in two byte units */);
5815449d 111extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
96daf2b0 112 struct cifs_ses *ses,
50c2f753 113 void **request_buf);
96daf2b0 114extern int CIFS_SessSetup(unsigned int xid, struct cifs_ses *ses,
5815449d 115 const struct nls_table *nls_cp);
1982c344 116extern __u16 GetNextMid(struct TCP_Server_Info *server);
07119a4d 117extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
1da177e4 118extern u64 cifs_UnixTimeToNT(struct timespec);
c4a2c08d
JL		 119extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
120 int offset);
c6723628 121extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
1bd5bbcb 122
7a16f196
SF		 123extern struct cifsFileInfo *cifs_new_fileinfo(__u16 fileHandle,
124 struct file *file, struct tcon_link *tlink,
125 __u32 oplock);
7fc8f4e9 126extern int cifs_posix_open(char *full_path, struct inode **pinode,
fa588e0c 127 struct super_block *sb,
608712fe 128 int mode, unsigned int f_flags,
fa588e0c 129 __u32 *poplock, __u16 *pnetfid, int xid);
4065c802 130void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
cc0bad75
JL		 131extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
132 FILE_UNIX_BASIC_INFO *info,
133 struct cifs_sb_info *cifs_sb);
134extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
cc0bad75
JL		 135extern struct inode *cifs_iget(struct super_block *sb,
136 struct cifs_fattr *fattr);
137
abab095d 138extern int cifs_get_file_info(struct file *filp);
1da177e4 139extern int cifs_get_inode_info(struct inode **pinode,
d38d8c74 140 const unsigned char *search_path,
582d21e5 141 FILE_ALL_INFO *pfile_info,
8b1327f6 142 struct super_block *sb, int xid, const __u16 *pfid);
abab095d 143extern int cifs_get_file_info_unix(struct file *filp);
1da177e4
LT		 144extern int cifs_get_inode_info_unix(struct inode **pinode,
145 const unsigned char *search_path,
d38d8c74 146 struct super_block *sb, int xid);
987b21d7 147extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
0b8f18e3
JL		 148 struct cifs_fattr *fattr, struct inode *inode,
149 const char *path, const __u16 *pfid);
a5ff3769
SP		 150extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64,
151 uid_t, gid_t);
fbeba8bb
SP		 152extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
153 const char *, u32 *);
b73b9a4b 154extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
a5ff3769 155 const char *, int);
953f8681 156
e28bc5b1
JL		 157extern void dequeue_mid(struct mid_q_entry *mid, bool malformed);
158extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
159 unsigned int to_read);
160extern int cifs_readv_from_socket(struct TCP_Server_Info *server,
161 struct kvec *iov_orig, unsigned int nr_segs,
162 unsigned int to_read);
724d9f1c
PS		 163extern void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
164 struct cifs_sb_info *cifs_sb);
165extern int cifs_match_super(struct super_block *, void *);
f9e59bcb 166extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
04db79b0
JL		 167extern struct smb_vol *cifs_get_volume_info(char *mount_data,
168 const char *devname);
2c6292ae 169extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *);
2a9b9951 170extern void cifs_umount(struct cifs_sb_info *);
78d31a3a 171extern void cifs_dfs_release_automount_timer(void);
1da177e4
LT		 172void cifs_proc_init(void);
173void cifs_proc_clean(void);
174
198b5682 175extern int cifs_negotiate_protocol(unsigned int xid,
96daf2b0
SF		 176 struct cifs_ses *ses);
177extern int cifs_setup_session(unsigned int xid, struct cifs_ses *ses,
d38d8c74 178 struct nls_table *nls_info);
96daf2b0 179extern int CIFSSMBNegotiate(unsigned int xid, struct cifs_ses *ses);
1da177e4 180
96daf2b0
SF		 181extern int CIFSTCon(unsigned int xid, struct cifs_ses *ses,
182 const char *tree, struct cifs_tcon *tcon,
1da177e4
LT		 183 const struct nls_table *);
184
96daf2b0 185extern int CIFSFindFirst(const int xid, struct cifs_tcon *tcon,
ec637e3f 186 const char *searchName, const struct nls_table *nls_codepage,
d38d8c74 187 __u16 *searchHandle, struct cifs_search_info *psrch_inf,
ec637e3f 188 int map, const char dirsep);
1da177e4 189
96daf2b0 190extern int CIFSFindNext(const int xid, struct cifs_tcon *tcon,
d38d8c74 191 __u16 searchHandle, struct cifs_search_info *psrch_inf);
1da177e4 192
96daf2b0 193extern int CIFSFindClose(const int, struct cifs_tcon *tcon,
1da177e4
LT		 194 const __u16 search_handle);
195
96daf2b0 196extern int CIFSSMBQFileInfo(const int xid, struct cifs_tcon *tcon,
bcd5357f 197 u16 netfid, FILE_ALL_INFO *pFindData);
96daf2b0 198extern int CIFSSMBQPathInfo(const int xid, struct cifs_tcon *tcon,
1da177e4 199 const unsigned char *searchName,
582d21e5 200 FILE_ALL_INFO *findData,
acf1a1b1 201 int legacy /* whether to use old info level */,
737b758c 202 const struct nls_table *nls_codepage, int remap);
96daf2b0 203extern int SMBQueryInformation(const int xid, struct cifs_tcon *tcon,
d38d8c74
SF		 204 const unsigned char *searchName,
205 FILE_ALL_INFO *findData,
206 const struct nls_table *nls_codepage, int remap);
1da177e4 207
96daf2b0 208extern int CIFSSMBUnixQFileInfo(const int xid, struct cifs_tcon *tcon,
c8634fd3 209 u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
1da177e4 210extern int CIFSSMBUnixQPathInfo(const int xid,
96daf2b0 211 struct cifs_tcon *tcon,
1da177e4 212 const unsigned char *searchName,
582d21e5 213 FILE_UNIX_BASIC_INFO *pFindData,
737b758c 214 const struct nls_table *nls_codepage, int remap);
1da177e4 215
96daf2b0 216extern int CIFSGetDFSRefer(const int xid, struct cifs_ses *ses,
1da177e4 217 const unsigned char *searchName,
c2cf07d5
SF		 218 struct dfs_info3_param **target_nodes,
219 unsigned int *number_of_nodes_in_array,
737b758c 220 const struct nls_table *nls_codepage, int remap);
1da177e4 221
96daf2b0 222extern int get_dfs_path(int xid, struct cifs_ses *pSesInfo,
d38d8c74 223 const char *old_path,
737b758c 224 const struct nls_table *nls_codepage,
d38d8c74 225 unsigned int *pnum_referrals,
366781c1 226 struct dfs_info3_param **preferrals,
737b758c 227 int remap);
96daf2b0 228extern void reset_cifs_unix_caps(int xid, struct cifs_tcon *tcon,
2c6292ae
AV		 229 struct cifs_sb_info *cifs_sb,
230 struct smb_vol *vol);
96daf2b0 231extern int CIFSSMBQFSInfo(const int xid, struct cifs_tcon *tcon,
737b758c 232 struct kstatfs *FSData);
96daf2b0 233extern int SMBOldQFSInfo(const int xid, struct cifs_tcon *tcon,
20962438 234 struct kstatfs *FSData);
96daf2b0 235extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifs_tcon *tcon,
ac67055e
JA		 236 __u64 cap);
237
1da177e4 238extern int CIFSSMBQFSAttributeInfo(const int xid,
96daf2b0
SF		 239 struct cifs_tcon *tcon);
240extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifs_tcon *tcon);
241extern int CIFSSMBQFSUnixInfo(const int xid, struct cifs_tcon *tcon);
242extern int CIFSSMBQFSPosixInfo(const int xid, struct cifs_tcon *tcon,
737b758c 243 struct kstatfs *FSData);
1da177e4 244
96daf2b0 245extern int CIFSSMBSetPathInfo(const int xid, struct cifs_tcon *tcon,
ad7a2926 246 const char *fileName, const FILE_BASIC_INFO *data,
737b758c
SF		 247 const struct nls_table *nls_codepage,
248 int remap_special_chars);
96daf2b0 249extern int CIFSSMBSetFileInfo(const int xid, struct cifs_tcon *tcon,
2dd2dfa0
JL		 250 const FILE_BASIC_INFO *data, __u16 fid,
251 __u32 pid_of_opener);
96daf2b0 252extern int CIFSSMBSetFileDisposition(const int xid, struct cifs_tcon *tcon,
6d22f098 253 bool delete_file, __u16 fid, __u32 pid_of_opener);
1da177e4 254#if 0
96daf2b0 255extern int CIFSSMBSetAttrLegacy(int xid, struct cifs_tcon *tcon,
1da177e4
LT		 256 char *fileName, __u16 dos_attributes,
257 const struct nls_table *nls_codepage);
258#endif /* possibly unneeded function */
96daf2b0 259extern int CIFSSMBSetEOF(const int xid, struct cifs_tcon *tcon,
737b758c 260 const char *fileName, __u64 size,
4b18f2a9 261 bool setAllocationSizeFlag,
737b758c
SF		 262 const struct nls_table *nls_codepage,
263 int remap_special_chars);
96daf2b0 264extern int CIFSSMBSetFileSize(const int xid, struct cifs_tcon *tcon,
d38d8c74 265 __u64 size, __u16 fileHandle, __u32 opener_pid,
4b18f2a9 266 bool AllocSizeFlag);
4e1e7fb9
JL		 267
268struct cifs_unix_set_info_args {
269 __u64 ctime;
270 __u64 atime;
271 __u64 mtime;
272 __u64 mode;
273 __u64 uid;
274 __u64 gid;
275 dev_t device;
276};
277
96daf2b0 278extern int CIFSSMBUnixSetFileInfo(const int xid, struct cifs_tcon *tcon,
3bbeeb3c
JL		 279 const struct cifs_unix_set_info_args *args,
280 u16 fid, u32 pid_of_opener);
281
96daf2b0 282extern int CIFSSMBUnixSetPathInfo(const int xid, struct cifs_tcon *pTcon,
4e1e7fb9
JL		 283 char *fileName,
284 const struct cifs_unix_set_info_args *args,
737b758c
SF		 285 const struct nls_table *nls_codepage,
286 int remap_special_chars);
1da177e4 287
96daf2b0 288extern int CIFSSMBMkDir(const int xid, struct cifs_tcon *tcon,
1da177e4 289 const char *newName,
737b758c
SF		 290 const struct nls_table *nls_codepage,
291 int remap_special_chars);
96daf2b0 292extern int CIFSSMBRmDir(const int xid, struct cifs_tcon *tcon,
737b758c
SF		 293 const char *name, const struct nls_table *nls_codepage,
294 int remap_special_chars);
96daf2b0 295extern int CIFSPOSIXDelFile(const int xid, struct cifs_tcon *tcon,
2d785a50
SF		 296 const char *name, __u16 type,
297 const struct nls_table *nls_codepage,
298 int remap_special_chars);
96daf2b0 299extern int CIFSSMBDelFile(const int xid, struct cifs_tcon *tcon,
1da177e4 300 const char *name,
737b758c
SF		 301 const struct nls_table *nls_codepage,
302 int remap_special_chars);
96daf2b0 303extern int CIFSSMBRename(const int xid, struct cifs_tcon *tcon,
1da177e4 304 const char *fromName, const char *toName,
737b758c
SF		 305 const struct nls_table *nls_codepage,
306 int remap_special_chars);
96daf2b0 307extern int CIFSSMBRenameOpenFile(const int xid, struct cifs_tcon *pTcon,
391e5755 308 int netfid, const char *target_name,
737b758c
SF		 309 const struct nls_table *nls_codepage,
310 int remap_special_chars);
1da177e4 311extern int CIFSCreateHardLink(const int xid,
96daf2b0 312 struct cifs_tcon *tcon,
1da177e4 313 const char *fromName, const char *toName,
737b758c
SF		 314 const struct nls_table *nls_codepage,
315 int remap_special_chars);
1da177e4 316extern int CIFSUnixCreateHardLink(const int xid,
96daf2b0 317 struct cifs_tcon *tcon,
1da177e4 318 const char *fromName, const char *toName,
d38d8c74 319 const struct nls_table *nls_codepage,
737b758c 320 int remap_special_chars);
1da177e4 321extern int CIFSUnixCreateSymLink(const int xid,
96daf2b0 322 struct cifs_tcon *tcon,
1da177e4
LT		 323 const char *fromName, const char *toName,
324 const struct nls_table *nls_codepage);
325extern int CIFSSMBUnixQuerySymLink(const int xid,
96daf2b0 326 struct cifs_tcon *tcon,
460b9696 327 const unsigned char *searchName, char **syminfo,
1da177e4 328 const struct nls_table *nls_codepage);
c52a9554 329#ifdef CONFIG_CIFS_SYMLINK_EXPERIMENTAL
d38d8c74 330extern int CIFSSMBQueryReparseLinkInfo(const int xid,
96daf2b0 331 struct cifs_tcon *tcon,
1da177e4
LT		 332 const unsigned char *searchName,
333 char *symlinkinfo, const int buflen, __u16 fid,
334 const struct nls_table *nls_codepage);
c52a9554 335#endif /* temporarily unused until cifs_symlink fixed */
96daf2b0 336extern int CIFSSMBOpen(const int xid, struct cifs_tcon *tcon,
1da177e4
LT		 337 const char *fileName, const int disposition,
338 const int access_flags, const int omode,
8840dee9 339 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
737b758c 340 const struct nls_table *nls_codepage, int remap);
96daf2b0 341extern int SMBLegacyOpen(const int xid, struct cifs_tcon *tcon,
a9d02ad4
SF		 342 const char *fileName, const int disposition,
343 const int access_flags, const int omode,
8840dee9 344 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
a9d02ad4 345 const struct nls_table *nls_codepage, int remap);
96daf2b0 346extern int CIFSPOSIXCreate(const int xid, struct cifs_tcon *tcon,
8840dee9 347 u32 posix_flags, __u64 mode, __u16 *netfid,
2dd29d31
SF		 348 FILE_UNIX_BASIC_INFO *pRetData,
349 __u32 *pOplock, const char *name,
d38d8c74 350 const struct nls_table *nls_codepage, int remap);
96daf2b0 351extern int CIFSSMBClose(const int xid, struct cifs_tcon *tcon,
1da177e4
LT		 352 const int smb_file_id);
353
96daf2b0 354extern int CIFSSMBFlush(const int xid, struct cifs_tcon *tcon,
b298f223
SF		 355 const int smb_file_id);
356
d4ffff1f
PS		 357extern int CIFSSMBRead(const int xid, struct cifs_io_parms *io_parms,
358 unsigned int *nbytes, char **buf,
d38d8c74 359 int *return_buf_type);
fa2989f4
PS		 360extern int CIFSSMBWrite(const int xid, struct cifs_io_parms *io_parms,
361 unsigned int *nbytes, const char *buf,
362 const char __user *ubuf, const int long_op);
363extern int CIFSSMBWrite2(const int xid, struct cifs_io_parms *io_parms,
364 unsigned int *nbytes, struct kvec *iov, const int nvec,
1da177e4 365 const int long_op);
96daf2b0 366extern int CIFSGetSrvInodeNumber(const int xid, struct cifs_tcon *tcon,
8840dee9 367 const unsigned char *searchName, __u64 *inode_number,
d38d8c74 368 const struct nls_table *nls_codepage,
737b758c 369 int remap_special_chars);
1da177e4 370
9ee305b7
PS		 371extern int cifs_lockv(const int xid, struct cifs_tcon *tcon, const __u16 netfid,
372 const __u8 lock_type, const __u32 num_unlock,
373 const __u32 num_lock, LOCKING_ANDX_RANGE *buf);
96daf2b0 374extern int CIFSSMBLock(const int xid, struct cifs_tcon *tcon,
03776f45 375 const __u16 netfid, const __u32 netpid, const __u64 len,
1da177e4
LT		 376 const __u64 offset, const __u32 numUnlock,
377 const __u32 numLock, const __u8 lockType,
12fed00d 378 const bool waitFlag, const __u8 oplock_level);
96daf2b0 379extern int CIFSSMBPosixLock(const int xid, struct cifs_tcon *tcon,
4f6bcec9
PS		 380 const __u16 smb_file_id, const __u32 netpid,
381 const int get_flag, const __u64 len, struct file_lock *,
4b18f2a9 382 const __u16 lock_type, const bool waitFlag);
96daf2b0 383extern int CIFSSMBTDis(const int xid, struct cifs_tcon *tcon);
766fdbb5 384extern int CIFSSMBEcho(struct TCP_Server_Info *server);
96daf2b0 385extern int CIFSSMBLogoff(const int xid, struct cifs_ses *ses);
1da177e4 386
96daf2b0
SF		 387extern struct cifs_ses *sesInfoAlloc(void);
388extern void sesInfoFree(struct cifs_ses *);
389extern struct cifs_tcon *tconInfoAlloc(void);
390extern void tconInfoFree(struct cifs_tcon *);
1da177e4 391
d38d8c74 392extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
84afc29b
SF		 393extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
394 __u32 *);
826a95e4 395extern int cifs_verify_signature(struct kvec *iov, unsigned int nr_iov,
21e73393 396 struct TCP_Server_Info *server,
b609f06a 397 __u32 expected_sequence_number);
9ef5992e
SP		 398extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *,
399 const struct nls_table *);
400extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *);
96daf2b0 401extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *);
d2b91521
SP		 402extern int cifs_crypto_shash_allocate(struct TCP_Server_Info *);
403extern void cifs_crypto_shash_release(struct TCP_Server_Info *);
96daf2b0 404extern int calc_seckey(struct cifs_ses *);
d2b91521 405
7c7b25bc 406#ifdef CONFIG_CIFS_WEAK_PW_HASH
43988d76 407extern int calc_lanman_hash(const char *password, const char *cryptkey,
4e53a3fb 408 bool encrypt, char *lnm_session_key);
7c7b25bc 409#endif /* CIFS_WEAK_PW_HASH */
0eff0e26 410#ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */
96daf2b0 411extern int CIFSSMBNotify(const int xid, struct cifs_tcon *tcon,
0eff0e26
SF		 412 const int notify_subdirs, const __u16 netfid,
413 __u32 filter, struct file *file, int multishot,
414 const struct nls_table *nls_codepage);
415#endif /* was needed for dnotify, and will be needed for inotify when VFS fix */
1da177e4 416extern int CIFSSMBCopy(int xid,
96daf2b0 417 struct cifs_tcon *source_tcon,
1da177e4
LT		 418 const char *fromName,
419 const __u16 target_tid,
420 const char *toName, const int flags,
50c2f753 421 const struct nls_table *nls_codepage,
737b758c 422 int remap_special_chars);
96daf2b0 423extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifs_tcon *tcon,
31c0519f
JL		 424 const unsigned char *searchName,
425 const unsigned char *ea_name, char *EAData,
737b758c
SF		 426 size_t bufsize, const struct nls_table *nls_codepage,
427 int remap_special_chars);
96daf2b0 428extern int CIFSSMBSetEA(const int xid, struct cifs_tcon *tcon,
d38d8c74
SF		 429 const char *fileName, const char *ea_name,
430 const void *ea_value, const __u16 ea_value_len,
737b758c 431 const struct nls_table *nls_codepage, int remap_special_chars);
96daf2b0 432extern int CIFSSMBGetCIFSACL(const int xid, struct cifs_tcon *tcon,
630f3f0c 433 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
96daf2b0 434extern int CIFSSMBSetCIFSACL(const int, struct cifs_tcon *, __u16,
a5ff3769 435 struct cifs_ntsd *, __u32, int);
96daf2b0 436extern int CIFSSMBGetPosixACL(const int xid, struct cifs_tcon *tcon,
1da177e4 437 const unsigned char *searchName,
d38d8c74 438 char *acl_inf, const int buflen, const int acl_type,
737b758c 439 const struct nls_table *nls_codepage, int remap_special_chars);
96daf2b0 440extern int CIFSSMBSetPosixACL(const int xid, struct cifs_tcon *tcon,
1da177e4
LT		 441 const unsigned char *fileName,
442 const char *local_acl, const int buflen, const int acl_type,
737b758c 443 const struct nls_table *nls_codepage, int remap_special_chars);
96daf2b0 444extern int CIFSGetExtAttr(const int xid, struct cifs_tcon *tcon,
8840dee9 445 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
ec06aedd 446extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
8bfb50a8
SM		 447extern bool CIFSCouldBeMFSymlink(const struct cifs_fattr *fattr);
448extern int CIFSCheckMFSymlink(struct cifs_fattr *fattr,
449 const unsigned char *path,
450 struct cifs_sb_info *cifs_sb, int xid);
ee2c9258 451extern int mdfour(unsigned char *, unsigned char *, int);
9ef5992e
SP		 452extern int E_md4hash(const unsigned char *passwd, unsigned char *p16,
453 const struct nls_table *codepage);
43988d76 454extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
ee2c9258 455 unsigned char *p24);
c28c89fc 456
e28bc5b1
JL		 457/* asynchronous read support */
458struct cifs_readdata {
459 struct cifsFileInfo *cfile;
460 struct address_space *mapping;
461 __u64 offset;
462 unsigned int bytes;
463 pid_t pid;
464 int result;
465 struct list_head pages;
466 struct work_struct work;
467 unsigned int nr_iov;
468 struct kvec iov[1];
469};
470
471struct cifs_readdata *cifs_readdata_alloc(unsigned int nr_pages);
472void cifs_readdata_free(struct cifs_readdata *rdata);
473int cifs_async_readv(struct cifs_readdata *rdata);
474
c28c89fc
JL		 475/* asynchronous write support */
476struct cifs_writedata {
477 struct kref refcount;
478 enum writeback_sync_modes sync_mode;
479 struct work_struct work;
480 struct cifsFileInfo *cfile;
481 __u64 offset;
482 unsigned int bytes;
483 int result;
484 unsigned int nr_pages;
485 struct page *pages[1];
486};
487
488int cifs_async_writev(struct cifs_writedata *wdata);
489struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages);
490void cifs_writedata_release(struct kref *refcount);
491
1da177e4 492#endif /* _CIFSPROTO_H */
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