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cifs: add cifs_async_writev
[linux-2.6-block.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);
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 *);
7d161b7f
JL		 60extern char *cifs_build_path_to_root(struct cifs_sb_info *cifs_sb,
61 struct cifsTconInfo *tcon);
1da177e4 62extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
c6c00919
SF		 63extern char *cifs_compose_mount_options(const char *sb_mountdata,
64 const char *fullpath, const struct dfs_info3_param *ref,
65 char **devname);
99ee4dbd 66/* extern void renew_parental_timestamps(struct dentry *direntry);*/
a6827c18
JL		 67extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer,
68 struct TCP_Server_Info *server);
766fdbb5 69extern void DeleteMidQEntry(struct mid_q_entry *midEntry);
fcc31cb6
JL		 70extern int cifs_call_async(struct TCP_Server_Info *server, struct kvec *iov,
71 unsigned int nvec, mid_callback_t *callback,
59ffd841 72 void *cbdata, bool ignore_pend);
1da177e4
LT		 73extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *,
74 struct smb_hdr * /* input */ ,
75 struct smb_hdr * /* out */ ,
76 int * /* bytes returned */ , const int long_op);
133672ef
SF		 77extern int SendReceiveNoRsp(const unsigned int xid, struct cifsSesInfo *ses,
78 struct smb_hdr *in_buf, int flags);
2c8f981d
JL		 79extern int cifs_check_receive(struct mid_q_entry *mid,
80 struct TCP_Server_Info *server, bool log_error);
d6e04ae6 81extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *,
d38d8c74 82 struct kvec *, int /* nvec to send */,
133672ef 83 int * /* type of buf returned */ , const int flags);
ad7a2926
SF		 84extern int SendReceiveBlockingLock(const unsigned int xid,
85 struct cifsTconInfo *ptcon,
86 struct smb_hdr *in_buf ,
87 struct smb_hdr *out_buf,
88 int *bytes_returned);
d103e164 89extern int checkSMB(struct smb_hdr *smb, __u16 mid, unsigned int length);
4b18f2a9
SF		 90extern bool is_valid_oplock_break(struct smb_hdr *smb,
91 struct TCP_Server_Info *);
92extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
72432ffc
PS		 93extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
94 unsigned int bytes_written);
6508d904 95extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool);
6508d904 96extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
1da177e4
LT		 97extern unsigned int smbCalcSize(struct smb_hdr *ptr);
98extern int decode_negTokenInit(unsigned char *security_blob, int length,
26efa0ba 99 struct TCP_Server_Info *server);
67b7626a 100extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
32670396 101extern int cifs_set_port(struct sockaddr *addr, const unsigned short int port);
67b7626a 102extern int cifs_fill_sockaddr(struct sockaddr *dst, const char *src, int len,
32670396 103 const unsigned short int port);
2c8f981d 104extern int map_smb_to_linux_error(struct smb_hdr *smb, bool logErr);
1da177e4 105extern void header_assemble(struct smb_hdr *, char /* command */ ,
1982c344
SF		 106 const struct cifsTconInfo *, int /* length of
107 fixed section (word count) in two byte units */);
5815449d
SF		 108extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
109 struct cifsSesInfo *ses,
50c2f753 110 void **request_buf);
5815449d 111extern int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses,
5815449d 112 const struct nls_table *nls_cp);
1982c344 113extern __u16 GetNextMid(struct TCP_Server_Info *server);
07119a4d 114extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
1da177e4 115extern u64 cifs_UnixTimeToNT(struct timespec);
c4a2c08d
JL		 116extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
117 int offset);
c6723628 118extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
1bd5bbcb 119
7a16f196
SF		 120extern struct cifsFileInfo *cifs_new_fileinfo(__u16 fileHandle,
121 struct file *file, struct tcon_link *tlink,
122 __u32 oplock);
7fc8f4e9 123extern int cifs_posix_open(char *full_path, struct inode **pinode,
fa588e0c 124 struct super_block *sb,
608712fe 125 int mode, unsigned int f_flags,
fa588e0c 126 __u32 *poplock, __u16 *pnetfid, int xid);
4065c802 127void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
cc0bad75
JL		 128extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
129 FILE_UNIX_BASIC_INFO *info,
130 struct cifs_sb_info *cifs_sb);
131extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
cc0bad75
JL		 132extern struct inode *cifs_iget(struct super_block *sb,
133 struct cifs_fattr *fattr);
134
abab095d 135extern int cifs_get_file_info(struct file *filp);
1da177e4 136extern int cifs_get_inode_info(struct inode **pinode,
d38d8c74 137 const unsigned char *search_path,
582d21e5 138 FILE_ALL_INFO *pfile_info,
8b1327f6 139 struct super_block *sb, int xid, const __u16 *pfid);
abab095d 140extern int cifs_get_file_info_unix(struct file *filp);
1da177e4
LT		 141extern int cifs_get_inode_info_unix(struct inode **pinode,
142 const unsigned char *search_path,
d38d8c74 143 struct super_block *sb, int xid);
987b21d7 144extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
0b8f18e3
JL		 145 struct cifs_fattr *fattr, struct inode *inode,
146 const char *path, const __u16 *pfid);
78415d2d 147extern int mode_to_cifs_acl(struct inode *inode, const char *path, __u64);
fbeba8bb
SP		 148extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
149 const char *, u32 *);
b73b9a4b
SF		 150extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
151 const char *);
953f8681 152
724d9f1c
PS		 153extern void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
154 struct cifs_sb_info *cifs_sb);
155extern int cifs_match_super(struct super_block *, void *);
156extern void cifs_cleanup_volume_info(struct smb_vol **pvolume_info);
157extern int cifs_setup_volume_info(struct smb_vol **pvolume_info,
158 char *mount_data, const char *devname);
f14bcf71 159extern int cifs_mount(struct super_block *, struct cifs_sb_info *,
724d9f1c 160 struct smb_vol *, const char *);
1da177e4 161extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
78d31a3a 162extern void cifs_dfs_release_automount_timer(void);
1da177e4
LT		 163void cifs_proc_init(void);
164void cifs_proc_clean(void);
165
198b5682
JL		 166extern int cifs_negotiate_protocol(unsigned int xid,
167 struct cifsSesInfo *ses);
168extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *ses,
d38d8c74 169 struct nls_table *nls_info);
1da177e4
LT		 170extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
171
172extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
173 const char *tree, struct cifsTconInfo *tcon,
174 const struct nls_table *);
175
176extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
ec637e3f 177 const char *searchName, const struct nls_table *nls_codepage,
d38d8c74 178 __u16 *searchHandle, struct cifs_search_info *psrch_inf,
ec637e3f 179 int map, const char dirsep);
1da177e4
LT		 180
181extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
d38d8c74 182 __u16 searchHandle, struct cifs_search_info *psrch_inf);
1da177e4
LT		 183
184extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
185 const __u16 search_handle);
186
bcd5357f
JL		 187extern int CIFSSMBQFileInfo(const int xid, struct cifsTconInfo *tcon,
188 u16 netfid, FILE_ALL_INFO *pFindData);
1da177e4
LT		 189extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
190 const unsigned char *searchName,
582d21e5 191 FILE_ALL_INFO *findData,
acf1a1b1 192 int legacy /* whether to use old info level */,
737b758c 193 const struct nls_table *nls_codepage, int remap);
6b8edfe0 194extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
d38d8c74
SF		 195 const unsigned char *searchName,
196 FILE_ALL_INFO *findData,
197 const struct nls_table *nls_codepage, int remap);
1da177e4 198
c8634fd3
JL		 199extern int CIFSSMBUnixQFileInfo(const int xid, struct cifsTconInfo *tcon,
200 u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
1da177e4
LT		 201extern int CIFSSMBUnixQPathInfo(const int xid,
202 struct cifsTconInfo *tcon,
203 const unsigned char *searchName,
582d21e5 204 FILE_UNIX_BASIC_INFO *pFindData,
737b758c 205 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 206
207extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
208 const unsigned char *searchName,
c2cf07d5
SF		 209 struct dfs_info3_param **target_nodes,
210 unsigned int *number_of_nodes_in_array,
737b758c 211 const struct nls_table *nls_codepage, int remap);
1da177e4 212
1da177e4 213extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
d38d8c74 214 const char *old_path,
737b758c 215 const struct nls_table *nls_codepage,
d38d8c74 216 unsigned int *pnum_referrals,
366781c1 217 struct dfs_info3_param **preferrals,
737b758c 218 int remap);
8af18971 219extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
d38d8c74 220 struct super_block *sb, struct smb_vol *vol);
1da177e4 221extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
737b758c 222 struct kstatfs *FSData);
20962438
SF		 223extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon,
224 struct kstatfs *FSData);
45abc6ee 225extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
ac67055e
JA		 226 __u64 cap);
227
1da177e4 228extern int CIFSSMBQFSAttributeInfo(const int xid,
737b758c
SF		 229 struct cifsTconInfo *tcon);
230extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
231extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
1da177e4 232extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
737b758c 233 struct kstatfs *FSData);
1da177e4 234
6fc000e5 235extern int CIFSSMBSetPathInfo(const int xid, struct cifsTconInfo *tcon,
ad7a2926 236 const char *fileName, const FILE_BASIC_INFO *data,
737b758c
SF		 237 const struct nls_table *nls_codepage,
238 int remap_special_chars);
2dd2dfa0
JL		 239extern int CIFSSMBSetFileInfo(const int xid, struct cifsTconInfo *tcon,
240 const FILE_BASIC_INFO *data, __u16 fid,
241 __u32 pid_of_opener);
6d22f098
JL		 242extern int CIFSSMBSetFileDisposition(const int xid, struct cifsTconInfo *tcon,
243 bool delete_file, __u16 fid, __u32 pid_of_opener);
1da177e4
LT		 244#if 0
245extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
246 char *fileName, __u16 dos_attributes,
247 const struct nls_table *nls_codepage);
248#endif /* possibly unneeded function */
249extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
737b758c 250 const char *fileName, __u64 size,
4b18f2a9 251 bool setAllocationSizeFlag,
737b758c
SF		 252 const struct nls_table *nls_codepage,
253 int remap_special_chars);
1da177e4 254extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
d38d8c74 255 __u64 size, __u16 fileHandle, __u32 opener_pid,
4b18f2a9 256 bool AllocSizeFlag);
4e1e7fb9
JL		 257
258struct cifs_unix_set_info_args {
259 __u64 ctime;
260 __u64 atime;
261 __u64 mtime;
262 __u64 mode;
263 __u64 uid;
264 __u64 gid;
265 dev_t device;
266};
267
3bbeeb3c
JL		 268extern int CIFSSMBUnixSetFileInfo(const int xid, struct cifsTconInfo *tcon,
269 const struct cifs_unix_set_info_args *args,
270 u16 fid, u32 pid_of_opener);
271
01ea95e3 272extern int CIFSSMBUnixSetPathInfo(const int xid, struct cifsTconInfo *pTcon,
4e1e7fb9
JL		 273 char *fileName,
274 const struct cifs_unix_set_info_args *args,
737b758c
SF		 275 const struct nls_table *nls_codepage,
276 int remap_special_chars);
1da177e4
LT		 277
278extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
279 const char *newName,
737b758c
SF		 280 const struct nls_table *nls_codepage,
281 int remap_special_chars);
1da177e4 282extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
737b758c
SF		 283 const char *name, const struct nls_table *nls_codepage,
284 int remap_special_chars);
2d785a50
SF		 285extern int CIFSPOSIXDelFile(const int xid, struct cifsTconInfo *tcon,
286 const char *name, __u16 type,
287 const struct nls_table *nls_codepage,
288 int remap_special_chars);
1da177e4
LT		 289extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
290 const char *name,
737b758c
SF		 291 const struct nls_table *nls_codepage,
292 int remap_special_chars);
1da177e4
LT		 293extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
294 const char *fromName, const char *toName,
737b758c
SF		 295 const struct nls_table *nls_codepage,
296 int remap_special_chars);
d38d8c74 297extern int CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon,
391e5755 298 int netfid, const char *target_name,
737b758c
SF		 299 const struct nls_table *nls_codepage,
300 int remap_special_chars);
1da177e4
LT		 301extern int CIFSCreateHardLink(const int xid,
302 struct cifsTconInfo *tcon,
303 const char *fromName, const char *toName,
737b758c
SF		 304 const struct nls_table *nls_codepage,
305 int remap_special_chars);
1da177e4
LT		 306extern int CIFSUnixCreateHardLink(const int xid,
307 struct cifsTconInfo *tcon,
308 const char *fromName, const char *toName,
d38d8c74 309 const struct nls_table *nls_codepage,
737b758c 310 int remap_special_chars);
1da177e4
LT		 311extern int CIFSUnixCreateSymLink(const int xid,
312 struct cifsTconInfo *tcon,
313 const char *fromName, const char *toName,
314 const struct nls_table *nls_codepage);
315extern int CIFSSMBUnixQuerySymLink(const int xid,
316 struct cifsTconInfo *tcon,
460b9696 317 const unsigned char *searchName, char **syminfo,
1da177e4 318 const struct nls_table *nls_codepage);
c52a9554 319#ifdef CONFIG_CIFS_SYMLINK_EXPERIMENTAL
d38d8c74 320extern int CIFSSMBQueryReparseLinkInfo(const int xid,
1da177e4
LT		 321 struct cifsTconInfo *tcon,
322 const unsigned char *searchName,
323 char *symlinkinfo, const int buflen, __u16 fid,
324 const struct nls_table *nls_codepage);
c52a9554 325#endif /* temporarily unused until cifs_symlink fixed */
1da177e4
LT		 326extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
327 const char *fileName, const int disposition,
328 const int access_flags, const int omode,
8840dee9 329 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
737b758c 330 const struct nls_table *nls_codepage, int remap);
a9d02ad4
SF		 331extern int SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon,
332 const char *fileName, const int disposition,
333 const int access_flags, const int omode,
8840dee9 334 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
a9d02ad4 335 const struct nls_table *nls_codepage, int remap);
d38d8c74 336extern int CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon,
8840dee9 337 u32 posix_flags, __u64 mode, __u16 *netfid,
2dd29d31
SF		 338 FILE_UNIX_BASIC_INFO *pRetData,
339 __u32 *pOplock, const char *name,
d38d8c74 340 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 341extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
342 const int smb_file_id);
343
b298f223
SF		 344extern int CIFSSMBFlush(const int xid, struct cifsTconInfo *tcon,
345 const int smb_file_id);
346
1da177e4 347extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
d38d8c74
SF		 348 const int netfid, unsigned int count,
349 const __u64 lseek, unsigned int *nbytes, char **buf,
350 int *return_buf_type);
1da177e4
LT		 351extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
352 const int netfid, const unsigned int count,
353 const __u64 lseek, unsigned int *nbytes,
d38d8c74 354 const char *buf, const char __user *ubuf,
1da177e4 355 const int long_op);
1da177e4
LT		 356extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
357 const int netfid, const unsigned int count,
d38d8c74 358 const __u64 offset, unsigned int *nbytes,
3e84469d 359 struct kvec *iov, const int nvec, const int long_op);
1da177e4 360extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
8840dee9 361 const unsigned char *searchName, __u64 *inode_number,
d38d8c74 362 const struct nls_table *nls_codepage,
737b758c 363 int remap_special_chars);
1da177e4
LT		 364
365extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
366 const __u16 netfid, const __u64 len,
367 const __u64 offset, const __u32 numUnlock,
368 const __u32 numLock, const __u8 lockType,
12fed00d 369 const bool waitFlag, const __u8 oplock_level);
08547b03
SF		 370extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
371 const __u16 smb_file_id, const int get_flag,
d38d8c74 372 const __u64 len, struct file_lock *,
4b18f2a9 373 const __u16 lock_type, const bool waitFlag);
1da177e4 374extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
766fdbb5 375extern int CIFSSMBEcho(struct TCP_Server_Info *server);
1da177e4
LT		 376extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
377
378extern struct cifsSesInfo *sesInfoAlloc(void);
379extern void sesInfoFree(struct cifsSesInfo *);
380extern struct cifsTconInfo *tconInfoAlloc(void);
381extern void tconInfoFree(struct cifsTconInfo *);
382
d38d8c74 383extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
84afc29b
SF		 384extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
385 __u32 *);
b609f06a 386extern int cifs_verify_signature(struct smb_hdr *,
21e73393 387 struct TCP_Server_Info *server,
b609f06a 388 __u32 expected_sequence_number);
ee2c9258 389extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *);
21e73393 390extern int setup_ntlm_response(struct cifsSesInfo *);
21e73393 391extern int setup_ntlmv2_rsp(struct cifsSesInfo *, const struct nls_table *);
d2b91521
SP		 392extern int cifs_crypto_shash_allocate(struct TCP_Server_Info *);
393extern void cifs_crypto_shash_release(struct TCP_Server_Info *);
394extern int calc_seckey(struct cifsSesInfo *);
395
7c7b25bc 396#ifdef CONFIG_CIFS_WEAK_PW_HASH
43988d76 397extern int calc_lanman_hash(const char *password, const char *cryptkey,
4e53a3fb 398 bool encrypt, char *lnm_session_key);
7c7b25bc 399#endif /* CIFS_WEAK_PW_HASH */
0eff0e26
SF		 400#ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */
401extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
402 const int notify_subdirs, const __u16 netfid,
403 __u32 filter, struct file *file, int multishot,
404 const struct nls_table *nls_codepage);
405#endif /* was needed for dnotify, and will be needed for inotify when VFS fix */
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LT		 406extern int CIFSSMBCopy(int xid,
407 struct cifsTconInfo *source_tcon,
408 const char *fromName,
409 const __u16 target_tid,
410 const char *toName, const int flags,
50c2f753 411 const struct nls_table *nls_codepage,
737b758c 412 int remap_special_chars);
1da177e4 413extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
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JL		 414 const unsigned char *searchName,
415 const unsigned char *ea_name, char *EAData,
737b758c
SF		 416 size_t bufsize, const struct nls_table *nls_codepage,
417 int remap_special_chars);
d38d8c74
SF		 418extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
419 const char *fileName, const char *ea_name,
420 const void *ea_value, const __u16 ea_value_len,
737b758c 421 const struct nls_table *nls_codepage, int remap_special_chars);
0a4b92c0 422extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon,
630f3f0c 423 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
97837582
SF		 424extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo *, __u16,
425 struct cifs_ntsd *, __u32);
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LT		 426extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
427 const unsigned char *searchName,
d38d8c74 428 char *acl_inf, const int buflen, const int acl_type,
737b758c 429 const struct nls_table *nls_codepage, int remap_special_chars);
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LT		 430extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
431 const unsigned char *fileName,
432 const char *local_acl, const int buflen, const int acl_type,
737b758c 433 const struct nls_table *nls_codepage, int remap_special_chars);
f654bac2 434extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
8840dee9 435 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
ec06aedd 436extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
8bfb50a8
SM		 437extern bool CIFSCouldBeMFSymlink(const struct cifs_fattr *fattr);
438extern int CIFSCheckMFSymlink(struct cifs_fattr *fattr,
439 const unsigned char *path,
440 struct cifs_sb_info *cifs_sb, int xid);
ee2c9258
SP		 441extern int mdfour(unsigned char *, unsigned char *, int);
442extern int E_md4hash(const unsigned char *passwd, unsigned char *p16);
43988d76 443extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
ee2c9258 444 unsigned char *p24);
c28c89fc
JL		 445
446/* asynchronous write support */
447struct cifs_writedata {
448 struct kref refcount;
449 enum writeback_sync_modes sync_mode;
450 struct work_struct work;
451 struct cifsFileInfo *cfile;
452 __u64 offset;
453 unsigned int bytes;
454 int result;
455 unsigned int nr_pages;
456 struct page *pages[1];
457};
458
459int cifs_async_writev(struct cifs_writedata *wdata);
460struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages);
461void cifs_writedata_release(struct kref *refcount);
462
1da177e4 463#endif /* _CIFSPROTO_H */
Linux 6.x block layer and io_uring tree(s)