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CIFS: Process reconnects for SMB2 shares
[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 */);
6d5786a3
PS		 40extern unsigned int _get_xid(void);
41extern void _free_xid(unsigned int);
42#define get_xid() \
b6b38f70 43({ \
6d5786a3
PS		 44 unsigned int __xid = _get_xid(); \
45 cFYI(1, "CIFS VFS: in %s as Xid: %u with uid: %d", \
b6b38f70
JP		 46 __func__, __xid, current_fsuid()); \
47 __xid; \
48})
49
6d5786a3 50#define free_xid(curr_xid) \
b6b38f70 51do { \
6d5786a3
PS		 52 _free_xid(curr_xid); \
53 cFYI(1, "CIFS VFS: leaving %s (xid = %u) rc = %d", \
b6b38f70
JP		 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);
2dc7e1c0 71extern void cifs_wake_up_task(struct mid_q_entry *mid);
fcc31cb6 72extern int cifs_call_async(struct TCP_Server_Info *server, struct kvec *iov,
44d22d84
JL		 73 unsigned int nvec, mid_receive_t *receive,
74 mid_callback_t *callback, void *cbdata,
a891f0f8 75 const int flags);
96daf2b0 76extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *,
1da177e4
LT		 77 struct smb_hdr * /* input */ ,
78 struct smb_hdr * /* out */ ,
a891f0f8 79 int * /* bytes returned */ , const int);
96daf2b0 80extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
792af7b0 81 char *in_buf, int flags);
082d0642
PS		 82extern int cifs_setup_request(struct cifs_ses *, struct kvec *, unsigned int,
83 struct mid_q_entry **);
2c8f981d
JL		 84extern int cifs_check_receive(struct mid_q_entry *mid,
85 struct TCP_Server_Info *server, bool log_error);
96daf2b0 86extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
d38d8c74 87 struct kvec *, int /* nvec to send */,
133672ef 88 int * /* type of buf returned */ , const int flags);
ad7a2926 89extern int SendReceiveBlockingLock(const unsigned int xid,
96daf2b0 90 struct cifs_tcon *ptcon,
ad7a2926
SF		 91 struct smb_hdr *in_buf ,
92 struct smb_hdr *out_buf,
93 int *bytes_returned);
28ea5290 94extern int cifs_reconnect(struct TCP_Server_Info *server);
d4e4854f
PS		 95extern int checkSMB(char *buf, unsigned int length);
96extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *);
3d3ea8e6 97extern bool backup_cred(struct cifs_sb_info *);
4b18f2a9 98extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
72432ffc
PS		 99extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
100 unsigned int bytes_written);
6508d904 101extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool);
6508d904 102extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
1da177e4
LT		 103extern unsigned int smbCalcSize(struct smb_hdr *ptr);
104extern int decode_negTokenInit(unsigned char *security_blob, int length,
26efa0ba 105 struct TCP_Server_Info *server);
67b7626a 106extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
32670396 107extern int cifs_set_port(struct sockaddr *addr, const unsigned short int port);
67b7626a 108extern int cifs_fill_sockaddr(struct sockaddr *dst, const char *src, int len,
32670396 109 const unsigned short int port);
5ffef7bf 110extern int map_smb_to_linux_error(char *buf, bool logErr);
1da177e4 111extern void header_assemble(struct smb_hdr *, char /* command */ ,
96daf2b0 112 const struct cifs_tcon *, int /* length of
1982c344 113 fixed section (word count) in two byte units */);
5815449d 114extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
96daf2b0 115 struct cifs_ses *ses,
50c2f753 116 void **request_buf);
58c45c58
PS		 117extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses,
118 const struct nls_table *nls_cp);
07119a4d 119extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
1da177e4 120extern u64 cifs_UnixTimeToNT(struct timespec);
c4a2c08d
JL		 121extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
122 int offset);
c6723628 123extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
1bd5bbcb 124
7a16f196
SF		 125extern struct cifsFileInfo *cifs_new_fileinfo(__u16 fileHandle,
126 struct file *file, struct tcon_link *tlink,
127 __u32 oplock);
6d5786a3
PS		 128extern int cifs_posix_open(char *full_path, struct inode **inode,
129 struct super_block *sb, int mode,
130 unsigned int f_flags, __u32 *oplock, __u16 *netfid,
131 unsigned int xid);
4065c802 132void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
cc0bad75
JL		 133extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
134 FILE_UNIX_BASIC_INFO *info,
135 struct cifs_sb_info *cifs_sb);
136extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
cc0bad75
JL		 137extern struct inode *cifs_iget(struct super_block *sb,
138 struct cifs_fattr *fattr);
139
abab095d 140extern int cifs_get_file_info(struct file *filp);
1da177e4 141extern int cifs_get_inode_info(struct inode **pinode,
d38d8c74 142 const unsigned char *search_path,
582d21e5 143 FILE_ALL_INFO *pfile_info,
6d5786a3
PS		 144 struct super_block *sb, unsigned int xid,
145 const __u16 *pfid);
abab095d 146extern int cifs_get_file_info_unix(struct file *filp);
1da177e4
LT		 147extern int cifs_get_inode_info_unix(struct inode **pinode,
148 const unsigned char *search_path,
6d5786a3 149 struct super_block *sb, unsigned int xid);
987b21d7 150extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
0b8f18e3
JL		 151 struct cifs_fattr *fattr, struct inode *inode,
152 const char *path, const __u16 *pfid);
a5ff3769
SP		 153extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64,
154 uid_t, gid_t);
fbeba8bb
SP		 155extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
156 const char *, u32 *);
b73b9a4b 157extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
a5ff3769 158 const char *, int);
953f8681 159
e28bc5b1
JL		 160extern void dequeue_mid(struct mid_q_entry *mid, bool malformed);
161extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
162 unsigned int to_read);
163extern int cifs_readv_from_socket(struct TCP_Server_Info *server,
164 struct kvec *iov_orig, unsigned int nr_segs,
165 unsigned int to_read);
724d9f1c
PS		 166extern void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
167 struct cifs_sb_info *cifs_sb);
168extern int cifs_match_super(struct super_block *, void *);
f9e59bcb 169extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
04db79b0
JL		 170extern struct smb_vol *cifs_get_volume_info(char *mount_data,
171 const char *devname);
2c6292ae 172extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *);
2a9b9951 173extern void cifs_umount(struct cifs_sb_info *);
aa24d1e9 174extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon);
815465c4
JL		 175
176#if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
78d31a3a 177extern void cifs_dfs_release_automount_timer(void);
815465c4
JL		 178#else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
179#define cifs_dfs_release_automount_timer() do { } while (0)
180#endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
181
1da177e4
LT		 182void cifs_proc_init(void);
183void cifs_proc_clean(void);
184
286170aa
PS		 185extern int cifs_negotiate_protocol(const unsigned int xid,
186 struct cifs_ses *ses);
58c45c58
PS		 187extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
188 struct nls_table *nls_info);
286170aa 189extern int CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses);
1da177e4 190
2e6e02ab
PS		 191extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
192 const char *tree, struct cifs_tcon *tcon,
193 const struct nls_table *);
1da177e4 194
6d5786a3 195extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon,
ec637e3f 196 const char *searchName, const struct nls_table *nls_codepage,
2608bee7
SP		 197 __u16 *searchHandle, __u16 search_flags,
198 struct cifs_search_info *psrch_inf,
ec637e3f 199 int map, const char dirsep);
1da177e4 200
6d5786a3 201extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon,
2608bee7
SP		 202 __u16 searchHandle, __u16 search_flags,
203 struct cifs_search_info *psrch_inf);
1da177e4 204
6d5786a3 205extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4
LT		 206 const __u16 search_handle);
207
6d5786a3 208extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
bcd5357f 209 u16 netfid, FILE_ALL_INFO *pFindData);
6d5786a3 210extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4 211 const unsigned char *searchName,
582d21e5 212 FILE_ALL_INFO *findData,
acf1a1b1 213 int legacy /* whether to use old info level */,
737b758c 214 const struct nls_table *nls_codepage, int remap);
6d5786a3 215extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon,
d38d8c74
SF		 216 const unsigned char *searchName,
217 FILE_ALL_INFO *findData,
218 const struct nls_table *nls_codepage, int remap);
1da177e4 219
6d5786a3 220extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
c8634fd3 221 u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
6d5786a3 222extern int CIFSSMBUnixQPathInfo(const unsigned int xid,
96daf2b0 223 struct cifs_tcon *tcon,
1da177e4 224 const unsigned char *searchName,
582d21e5 225 FILE_UNIX_BASIC_INFO *pFindData,
737b758c 226 const struct nls_table *nls_codepage, int remap);
1da177e4 227
6d5786a3 228extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
1da177e4 229 const unsigned char *searchName,
c2cf07d5
SF		 230 struct dfs_info3_param **target_nodes,
231 unsigned int *number_of_nodes_in_array,
737b758c 232 const struct nls_table *nls_codepage, int remap);
1da177e4 233
6d5786a3 234extern int get_dfs_path(unsigned int xid, struct cifs_ses *pSesInfo,
d38d8c74 235 const char *old_path,
737b758c 236 const struct nls_table *nls_codepage,
d38d8c74 237 unsigned int *pnum_referrals,
366781c1 238 struct dfs_info3_param **preferrals,
737b758c 239 int remap);
6d5786a3 240extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,
2c6292ae
AV		 241 struct cifs_sb_info *cifs_sb,
242 struct smb_vol *vol);
6d5786a3 243extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
737b758c 244 struct kstatfs *FSData);
6d5786a3 245extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
20962438 246 struct kstatfs *FSData);
6d5786a3 247extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon,
ac67055e
JA		 248 __u64 cap);
249
6d5786a3 250extern int CIFSSMBQFSAttributeInfo(const unsigned int xid,
96daf2b0 251 struct cifs_tcon *tcon);
6d5786a3
PS		 252extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon);
253extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon);
254extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon,
737b758c 255 struct kstatfs *FSData);
1da177e4 256
6d5786a3 257extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
ad7a2926 258 const char *fileName, const FILE_BASIC_INFO *data,
737b758c
SF		 259 const struct nls_table *nls_codepage,
260 int remap_special_chars);
6d5786a3 261extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
2dd2dfa0
JL		 262 const FILE_BASIC_INFO *data, __u16 fid,
263 __u32 pid_of_opener);
6d5786a3
PS		 264extern int CIFSSMBSetFileDisposition(const unsigned int xid,
265 struct cifs_tcon *tcon,
266 bool delete_file, __u16 fid,
267 __u32 pid_of_opener);
1da177e4 268#if 0
6d5786a3 269extern int CIFSSMBSetAttrLegacy(unsigned int xid, struct cifs_tcon *tcon,
1da177e4
LT		 270 char *fileName, __u16 dos_attributes,
271 const struct nls_table *nls_codepage);
272#endif /* possibly unneeded function */
6d5786a3 273extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon,
737b758c 274 const char *fileName, __u64 size,
4b18f2a9 275 bool setAllocationSizeFlag,
737b758c
SF		 276 const struct nls_table *nls_codepage,
277 int remap_special_chars);
6d5786a3 278extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon,
d38d8c74 279 __u64 size, __u16 fileHandle, __u32 opener_pid,
4b18f2a9 280 bool AllocSizeFlag);
4e1e7fb9
JL		 281
282struct cifs_unix_set_info_args {
283 __u64 ctime;
284 __u64 atime;
285 __u64 mtime;
286 __u64 mode;
287 __u64 uid;
288 __u64 gid;
289 dev_t device;
290};
291
6d5786a3
PS		 292extern int CIFSSMBUnixSetFileInfo(const unsigned int xid,
293 struct cifs_tcon *tcon,
3bbeeb3c
JL		 294 const struct cifs_unix_set_info_args *args,
295 u16 fid, u32 pid_of_opener);
296
6d5786a3
PS		 297extern int CIFSSMBUnixSetPathInfo(const unsigned int xid,
298 struct cifs_tcon *tcon, char *file_name,
299 const struct cifs_unix_set_info_args *args,
300 const struct nls_table *nls_codepage,
301 int remap_special_chars);
1da177e4 302
6d5786a3 303extern int CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4 304 const char *newName,
737b758c
SF		 305 const struct nls_table *nls_codepage,
306 int remap_special_chars);
6d5786a3 307extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon,
737b758c
SF		 308 const char *name, const struct nls_table *nls_codepage,
309 int remap_special_chars);
6d5786a3 310extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon,
2d785a50
SF		 311 const char *name, __u16 type,
312 const struct nls_table *nls_codepage,
313 int remap_special_chars);
6d5786a3 314extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4 315 const char *name,
737b758c
SF		 316 const struct nls_table *nls_codepage,
317 int remap_special_chars);
6d5786a3 318extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4 319 const char *fromName, const char *toName,
737b758c
SF		 320 const struct nls_table *nls_codepage,
321 int remap_special_chars);
6d5786a3
PS		 322extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon,
323 int netfid, const char *target_name,
324 const struct nls_table *nls_codepage,
325 int remap_special_chars);
326extern int CIFSCreateHardLink(const unsigned int xid,
96daf2b0 327 struct cifs_tcon *tcon,
1da177e4 328 const char *fromName, const char *toName,
737b758c
SF		 329 const struct nls_table *nls_codepage,
330 int remap_special_chars);
6d5786a3 331extern int CIFSUnixCreateHardLink(const unsigned int xid,
96daf2b0 332 struct cifs_tcon *tcon,
1da177e4 333 const char *fromName, const char *toName,
d38d8c74 334 const struct nls_table *nls_codepage,
737b758c 335 int remap_special_chars);
6d5786a3 336extern int CIFSUnixCreateSymLink(const unsigned int xid,
96daf2b0 337 struct cifs_tcon *tcon,
1da177e4
LT		 338 const char *fromName, const char *toName,
339 const struct nls_table *nls_codepage);
6d5786a3 340extern int CIFSSMBUnixQuerySymLink(const unsigned int xid,
96daf2b0 341 struct cifs_tcon *tcon,
460b9696 342 const unsigned char *searchName, char **syminfo,
1da177e4 343 const struct nls_table *nls_codepage);
c52a9554 344#ifdef CONFIG_CIFS_SYMLINK_EXPERIMENTAL
6d5786a3 345extern int CIFSSMBQueryReparseLinkInfo(const unsigned int xid,
96daf2b0 346 struct cifs_tcon *tcon,
1da177e4
LT		 347 const unsigned char *searchName,
348 char *symlinkinfo, const int buflen, __u16 fid,
349 const struct nls_table *nls_codepage);
c52a9554 350#endif /* temporarily unused until cifs_symlink fixed */
6d5786a3 351extern int CIFSSMBOpen(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4
LT		 352 const char *fileName, const int disposition,
353 const int access_flags, const int omode,
8840dee9 354 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
737b758c 355 const struct nls_table *nls_codepage, int remap);
6d5786a3 356extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon,
a9d02ad4
SF		 357 const char *fileName, const int disposition,
358 const int access_flags, const int omode,
8840dee9 359 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
a9d02ad4 360 const struct nls_table *nls_codepage, int remap);
6d5786a3 361extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon,
8840dee9 362 u32 posix_flags, __u64 mode, __u16 *netfid,
2dd29d31
SF		 363 FILE_UNIX_BASIC_INFO *pRetData,
364 __u32 *pOplock, const char *name,
d38d8c74 365 const struct nls_table *nls_codepage, int remap);
6d5786a3 366extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4
LT		 367 const int smb_file_id);
368
6d5786a3 369extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon,
b298f223
SF		 370 const int smb_file_id);
371
6d5786a3 372extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms,
d4ffff1f 373 unsigned int *nbytes, char **buf,
d38d8c74 374 int *return_buf_type);
6d5786a3 375extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms,
fa2989f4
PS		 376 unsigned int *nbytes, const char *buf,
377 const char __user *ubuf, const int long_op);
6d5786a3 378extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms,
fa2989f4 379 unsigned int *nbytes, struct kvec *iov, const int nvec,
1da177e4 380 const int long_op);
6d5786a3 381extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon,
8840dee9 382 const unsigned char *searchName, __u64 *inode_number,
d38d8c74 383 const struct nls_table *nls_codepage,
737b758c 384 int remap_special_chars);
1da177e4 385
6d5786a3
PS		 386extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon,
387 const __u16 netfid, const __u8 lock_type,
388 const __u32 num_unlock, const __u32 num_lock,
389 LOCKING_ANDX_RANGE *buf);
390extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon,
03776f45 391 const __u16 netfid, const __u32 netpid, const __u64 len,
1da177e4
LT		 392 const __u64 offset, const __u32 numUnlock,
393 const __u32 numLock, const __u8 lockType,
12fed00d 394 const bool waitFlag, const __u8 oplock_level);
6d5786a3 395extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon,
4f6bcec9 396 const __u16 smb_file_id, const __u32 netpid,
c5fd363d
JL		 397 const loff_t start_offset, const __u64 len,
398 struct file_lock *, const __u16 lock_type,
399 const bool waitFlag);
2e6e02ab 400extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon);
766fdbb5 401extern int CIFSSMBEcho(struct TCP_Server_Info *server);
58c45c58 402extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses);
1da177e4 403
96daf2b0
SF		 404extern struct cifs_ses *sesInfoAlloc(void);
405extern void sesInfoFree(struct cifs_ses *);
406extern struct cifs_tcon *tconInfoAlloc(void);
407extern void tconInfoFree(struct cifs_tcon *);
1da177e4 408
d38d8c74 409extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
762a4206 410extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
84afc29b 411 __u32 *);
826a95e4 412extern int cifs_verify_signature(struct kvec *iov, unsigned int nr_iov,
21e73393 413 struct TCP_Server_Info *server,
b609f06a 414 __u32 expected_sequence_number);
9ef5992e
SP		 415extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *,
416 const struct nls_table *);
417extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *);
96daf2b0 418extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *);
d2b91521
SP		 419extern int cifs_crypto_shash_allocate(struct TCP_Server_Info *);
420extern void cifs_crypto_shash_release(struct TCP_Server_Info *);
96daf2b0 421extern int calc_seckey(struct cifs_ses *);
d2b91521 422
7c7b25bc 423#ifdef CONFIG_CIFS_WEAK_PW_HASH
43988d76 424extern int calc_lanman_hash(const char *password, const char *cryptkey,
4e53a3fb 425 bool encrypt, char *lnm_session_key);
7c7b25bc 426#endif /* CIFS_WEAK_PW_HASH */
0eff0e26 427#ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */
6d5786a3 428extern int CIFSSMBNotify(const unsigned int xid, struct cifs_tcon *tcon,
0eff0e26
SF		 429 const int notify_subdirs, const __u16 netfid,
430 __u32 filter, struct file *file, int multishot,
431 const struct nls_table *nls_codepage);
432#endif /* was needed for dnotify, and will be needed for inotify when VFS fix */
6d5786a3 433extern int CIFSSMBCopy(unsigned int xid,
96daf2b0 434 struct cifs_tcon *source_tcon,
1da177e4
LT		 435 const char *fromName,
436 const __u16 target_tid,
437 const char *toName, const int flags,
50c2f753 438 const struct nls_table *nls_codepage,
737b758c 439 int remap_special_chars);
6d5786a3 440extern ssize_t CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon,
31c0519f
JL		 441 const unsigned char *searchName,
442 const unsigned char *ea_name, char *EAData,
737b758c
SF		 443 size_t bufsize, const struct nls_table *nls_codepage,
444 int remap_special_chars);
6d5786a3 445extern int CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon,
d38d8c74
SF		 446 const char *fileName, const char *ea_name,
447 const void *ea_value, const __u16 ea_value_len,
737b758c 448 const struct nls_table *nls_codepage, int remap_special_chars);
6d5786a3 449extern int CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon,
630f3f0c 450 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
6d5786a3 451extern int CIFSSMBSetCIFSACL(const unsigned int, struct cifs_tcon *, __u16,
a5ff3769 452 struct cifs_ntsd *, __u32, int);
6d5786a3 453extern int CIFSSMBGetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4 454 const unsigned char *searchName,
d38d8c74 455 char *acl_inf, const int buflen, const int acl_type,
737b758c 456 const struct nls_table *nls_codepage, int remap_special_chars);
6d5786a3 457extern int CIFSSMBSetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4
LT		 458 const unsigned char *fileName,
459 const char *local_acl, const int buflen, const int acl_type,
737b758c 460 const struct nls_table *nls_codepage, int remap_special_chars);
6d5786a3 461extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon,
8840dee9 462 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
ec06aedd 463extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
8bfb50a8
SM		 464extern bool CIFSCouldBeMFSymlink(const struct cifs_fattr *fattr);
465extern int CIFSCheckMFSymlink(struct cifs_fattr *fattr,
466 const unsigned char *path,
6d5786a3 467 struct cifs_sb_info *cifs_sb, unsigned int xid);
ee2c9258 468extern int mdfour(unsigned char *, unsigned char *, int);
9ef5992e
SP		 469extern int E_md4hash(const unsigned char *passwd, unsigned char *p16,
470 const struct nls_table *codepage);
43988d76 471extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
ee2c9258 472 unsigned char *p24);
c28c89fc 473
e28bc5b1
JL		 474/* asynchronous read support */
475struct cifs_readdata {
6993f74a 476 struct kref refcount;
1c892549
JL		 477 struct list_head list;
478 struct completion done;
e28bc5b1
JL		 479 struct cifsFileInfo *cfile;
480 struct address_space *mapping;
481 __u64 offset;
482 unsigned int bytes;
483 pid_t pid;
484 int result;
485 struct list_head pages;
486 struct work_struct work;
8d5ce4d2
JL		 487 int (*marshal_iov) (struct cifs_readdata *rdata,
488 unsigned int remaining);
e28bc5b1
JL		 489 unsigned int nr_iov;
490 struct kvec iov[1];
491};
492
6993f74a 493void cifs_readdata_release(struct kref *refcount);
e28bc5b1
JL		 494int cifs_async_readv(struct cifs_readdata *rdata);
495
c28c89fc
JL		 496/* asynchronous write support */
497struct cifs_writedata {
498 struct kref refcount;
da82f7e7
JL		 499 struct list_head list;
500 struct completion done;
c28c89fc
JL		 501 enum writeback_sync_modes sync_mode;
502 struct work_struct work;
503 struct cifsFileInfo *cfile;
504 __u64 offset;
fe5f5d2e 505 pid_t pid;
c28c89fc
JL		 506 unsigned int bytes;
507 int result;
e9492871
JL		 508 void (*marshal_iov) (struct kvec *iov,
509 struct cifs_writedata *wdata);
c28c89fc
JL		 510 unsigned int nr_pages;
511 struct page *pages[1];
512};
513
514int cifs_async_writev(struct cifs_writedata *wdata);
c2e87640
JL		 515void cifs_writev_complete(struct work_struct *work);
516struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages,
517 work_func_t complete);
c28c89fc
JL		 518void cifs_writedata_release(struct kref *refcount);
519
1da177e4 520#endif /* _CIFSPROTO_H */
Linux kernel - Deliverables
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