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CIFS: Turn lock mutex into rw semaphore
[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;
bf5ea0e2 27struct smb_rqst;
1da177e4
LT		 28
29/*
30 *****************************************************************
31 * All Prototypes
32 *****************************************************************
33 */
34
35extern struct smb_hdr *cifs_buf_get(void);
36extern void cifs_buf_release(void *);
37extern struct smb_hdr *cifs_small_buf_get(void);
38extern void cifs_small_buf_release(void *);
fb308a6f
JL		 39extern void cifs_rqst_page_to_kvec(struct smb_rqst *rqst, unsigned int idx,
40 struct kvec *iov);
0496e02d
JL		 41extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *,
42 unsigned int /* length */);
6d5786a3
PS		 43extern unsigned int _get_xid(void);
44extern void _free_xid(unsigned int);
45#define get_xid() \
b6b38f70 46({ \
6d5786a3
PS		 47 unsigned int __xid = _get_xid(); \
48 cFYI(1, "CIFS VFS: in %s as Xid: %u with uid: %d", \
b6b38f70
JP		 49 __func__, __xid, current_fsuid()); \
50 __xid; \
51})
52
6d5786a3 53#define free_xid(curr_xid) \
b6b38f70 54do { \
6d5786a3
PS		 55 _free_xid(curr_xid); \
56 cFYI(1, "CIFS VFS: leaving %s (xid = %u) rc = %d", \
b6b38f70
JP		 57 __func__, curr_xid, (int)rc); \
58} while (0)
4d79dba0
SP		 59extern int init_cifs_idmap(void);
60extern void exit_cifs_idmap(void);
61extern void cifs_destroy_idmaptrees(void);
7f57356b 62extern char *build_path_from_dentry(struct dentry *);
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);
3c1bf7e4 71extern void cifs_delete_mid(struct mid_q_entry *mid);
2dc7e1c0 72extern void cifs_wake_up_task(struct mid_q_entry *mid);
fec344e3
JL		 73extern int cifs_call_async(struct TCP_Server_Info *server,
74 struct smb_rqst *rqst,
75 mid_receive_t *receive, mid_callback_t *callback,
76 void *cbdata, const int flags);
96daf2b0 77extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *,
1da177e4
LT		 78 struct smb_hdr * /* input */ ,
79 struct smb_hdr * /* out */ ,
a891f0f8 80 int * /* bytes returned */ , const int);
96daf2b0 81extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
792af7b0 82 char *in_buf, int flags);
fec344e3
JL		 83extern struct mid_q_entry *cifs_setup_request(struct cifs_ses *,
84 struct smb_rqst *);
85extern struct mid_q_entry *cifs_setup_async_request(struct TCP_Server_Info *,
86 struct smb_rqst *);
2c8f981d
JL		 87extern int cifs_check_receive(struct mid_q_entry *mid,
88 struct TCP_Server_Info *server, bool log_error);
96daf2b0 89extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
d38d8c74 90 struct kvec *, int /* nvec to send */,
133672ef 91 int * /* type of buf returned */ , const int flags);
ad7a2926 92extern int SendReceiveBlockingLock(const unsigned int xid,
96daf2b0 93 struct cifs_tcon *ptcon,
ad7a2926
SF		 94 struct smb_hdr *in_buf ,
95 struct smb_hdr *out_buf,
96 int *bytes_returned);
28ea5290 97extern int cifs_reconnect(struct TCP_Server_Info *server);
d4e4854f
PS		 98extern int checkSMB(char *buf, unsigned int length);
99extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *);
3d3ea8e6 100extern bool backup_cred(struct cifs_sb_info *);
4b18f2a9 101extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
72432ffc
PS		 102extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
103 unsigned int bytes_written);
6508d904 104extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool);
6508d904 105extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
92fc65a7 106extern unsigned int smbCalcSize(void *buf);
1da177e4 107extern int decode_negTokenInit(unsigned char *security_blob, int length,
26efa0ba 108 struct TCP_Server_Info *server);
67b7626a 109extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
32670396 110extern int cifs_set_port(struct sockaddr *addr, const unsigned short int port);
67b7626a 111extern int cifs_fill_sockaddr(struct sockaddr *dst, const char *src, int len,
32670396 112 const unsigned short int port);
5ffef7bf 113extern int map_smb_to_linux_error(char *buf, bool logErr);
1da177e4 114extern void header_assemble(struct smb_hdr *, char /* command */ ,
96daf2b0 115 const struct cifs_tcon *, int /* length of
1982c344 116 fixed section (word count) in two byte units */);
5815449d 117extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
96daf2b0 118 struct cifs_ses *ses,
50c2f753 119 void **request_buf);
58c45c58
PS		 120extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses,
121 const struct nls_table *nls_cp);
07119a4d 122extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
1da177e4 123extern u64 cifs_UnixTimeToNT(struct timespec);
c4a2c08d
JL		 124extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
125 int offset);
c6723628 126extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
d39a4f71
PS		 127extern int cifs_unlock_range(struct cifsFileInfo *cfile,
128 struct file_lock *flock, const unsigned int xid);
129extern int cifs_push_mandatory_locks(struct cifsFileInfo *cfile);
1bd5bbcb 130
fb1214e4
PS		 131extern struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid,
132 struct file *file,
133 struct tcon_link *tlink,
134 __u32 oplock);
6d5786a3
PS		 135extern int cifs_posix_open(char *full_path, struct inode **inode,
136 struct super_block *sb, int mode,
137 unsigned int f_flags, __u32 *oplock, __u16 *netfid,
138 unsigned int xid);
4065c802 139void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
cc0bad75
JL		 140extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
141 FILE_UNIX_BASIC_INFO *info,
142 struct cifs_sb_info *cifs_sb);
143extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
cc0bad75
JL		 144extern struct inode *cifs_iget(struct super_block *sb,
145 struct cifs_fattr *fattr);
146
1208ef1f
PS		 147extern int cifs_get_inode_info(struct inode **inode, const char *full_path,
148 FILE_ALL_INFO *data, struct super_block *sb,
149 int xid, const __u16 *fid);
1da177e4
LT		 150extern int cifs_get_inode_info_unix(struct inode **pinode,
151 const unsigned char *search_path,
6d5786a3 152 struct super_block *sb, unsigned int xid);
ed6875e0
PS		 153extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs,
154 unsigned int xid, char *full_path, __u32 dosattr);
155extern int cifs_rename_pending_delete(const char *full_path,
156 struct dentry *dentry,
157 const unsigned int xid);
987b21d7 158extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
0b8f18e3
JL		 159 struct cifs_fattr *fattr, struct inode *inode,
160 const char *path, const __u16 *pfid);
a5ff3769
SP		 161extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64,
162 uid_t, gid_t);
fbeba8bb
SP		 163extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
164 const char *, u32 *);
b73b9a4b 165extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
a5ff3769 166 const char *, int);
953f8681 167
e28bc5b1
JL		 168extern void dequeue_mid(struct mid_q_entry *mid, bool malformed);
169extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
170 unsigned int to_read);
171extern int cifs_readv_from_socket(struct TCP_Server_Info *server,
172 struct kvec *iov_orig, unsigned int nr_segs,
173 unsigned int to_read);
724d9f1c
PS		 174extern void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
175 struct cifs_sb_info *cifs_sb);
176extern int cifs_match_super(struct super_block *, void *);
f9e59bcb 177extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
04db79b0
JL		 178extern struct smb_vol *cifs_get_volume_info(char *mount_data,
179 const char *devname);
2c6292ae 180extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *);
2a9b9951 181extern void cifs_umount(struct cifs_sb_info *);
aa24d1e9 182extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon);
815465c4
JL		 183
184#if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
78d31a3a 185extern void cifs_dfs_release_automount_timer(void);
815465c4
JL		 186#else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
187#define cifs_dfs_release_automount_timer() do { } while (0)
188#endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
189
1da177e4
LT		 190void cifs_proc_init(void);
191void cifs_proc_clean(void);
192
f7ba7fe6
PS		 193extern void cifs_move_llist(struct list_head *source, struct list_head *dest);
194extern void cifs_free_llist(struct list_head *llist);
195extern void cifs_del_lock_waiters(struct cifsLockInfo *lock);
196
286170aa
PS		 197extern int cifs_negotiate_protocol(const unsigned int xid,
198 struct cifs_ses *ses);
58c45c58
PS		 199extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
200 struct nls_table *nls_info);
286170aa 201extern int CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses);
1da177e4 202
2e6e02ab
PS		 203extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
204 const char *tree, struct cifs_tcon *tcon,
205 const struct nls_table *);
1da177e4 206
6d5786a3 207extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon,
ec637e3f 208 const char *searchName, const struct nls_table *nls_codepage,
2608bee7
SP		 209 __u16 *searchHandle, __u16 search_flags,
210 struct cifs_search_info *psrch_inf,
ec637e3f 211 int map, const char dirsep);
1da177e4 212
6d5786a3 213extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon,
2608bee7
SP		 214 __u16 searchHandle, __u16 search_flags,
215 struct cifs_search_info *psrch_inf);
1da177e4 216
6d5786a3 217extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4
LT		 218 const __u16 search_handle);
219
6d5786a3 220extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
bcd5357f 221 u16 netfid, FILE_ALL_INFO *pFindData);
6d5786a3 222extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
68889f26
PS		 223 const char *search_Name, FILE_ALL_INFO *data,
224 int legacy /* whether to use old info level */,
225 const struct nls_table *nls_codepage, int remap);
6d5786a3 226extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon,
68889f26
PS		 227 const char *search_name, FILE_ALL_INFO *data,
228 const struct nls_table *nls_codepage, int remap);
1da177e4 229
6d5786a3 230extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
c8634fd3 231 u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
6d5786a3 232extern int CIFSSMBUnixQPathInfo(const unsigned int xid,
96daf2b0 233 struct cifs_tcon *tcon,
1da177e4 234 const unsigned char *searchName,
582d21e5 235 FILE_UNIX_BASIC_INFO *pFindData,
737b758c 236 const struct nls_table *nls_codepage, int remap);
1da177e4 237
6d5786a3 238extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
b669f33c
PS		 239 const char *search_name,
240 struct dfs_info3_param **target_nodes,
241 unsigned int *num_of_nodes,
242 const struct nls_table *nls_codepage, int remap);
1da177e4 243
b669f33c 244extern int get_dfs_path(const unsigned int xid, struct cifs_ses *ses,
d38d8c74 245 const char *old_path,
737b758c 246 const struct nls_table *nls_codepage,
b669f33c
PS		 247 unsigned int *num_referrals,
248 struct dfs_info3_param **referrals, int remap);
6d5786a3 249extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,
2c6292ae
AV		 250 struct cifs_sb_info *cifs_sb,
251 struct smb_vol *vol);
6d5786a3 252extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
737b758c 253 struct kstatfs *FSData);
6d5786a3 254extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
20962438 255 struct kstatfs *FSData);
6d5786a3 256extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon,
ac67055e
JA		 257 __u64 cap);
258
6d5786a3 259extern int CIFSSMBQFSAttributeInfo(const unsigned int xid,
96daf2b0 260 struct cifs_tcon *tcon);
6d5786a3
PS		 261extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon);
262extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon);
263extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon,
737b758c 264 struct kstatfs *FSData);
1da177e4 265
6d5786a3 266extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
ad7a2926 267 const char *fileName, const FILE_BASIC_INFO *data,
737b758c
SF		 268 const struct nls_table *nls_codepage,
269 int remap_special_chars);
6d5786a3 270extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
2dd2dfa0
JL		 271 const FILE_BASIC_INFO *data, __u16 fid,
272 __u32 pid_of_opener);
6d5786a3
PS		 273extern int CIFSSMBSetFileDisposition(const unsigned int xid,
274 struct cifs_tcon *tcon,
275 bool delete_file, __u16 fid,
276 __u32 pid_of_opener);
1da177e4 277#if 0
6d5786a3 278extern int CIFSSMBSetAttrLegacy(unsigned int xid, struct cifs_tcon *tcon,
1da177e4
LT		 279 char *fileName, __u16 dos_attributes,
280 const struct nls_table *nls_codepage);
281#endif /* possibly unneeded function */
6d5786a3 282extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon,
d1433418
PS		 283 const char *file_name, __u64 size,
284 struct cifs_sb_info *cifs_sb, bool set_allocation);
6d5786a3 285extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon,
d1433418
PS		 286 struct cifsFileInfo *cfile, __u64 size,
287 bool set_allocation);
4e1e7fb9
JL		 288
289struct cifs_unix_set_info_args {
290 __u64 ctime;
291 __u64 atime;
292 __u64 mtime;
293 __u64 mode;
294 __u64 uid;
295 __u64 gid;
296 dev_t device;
297};
298
6d5786a3
PS		 299extern int CIFSSMBUnixSetFileInfo(const unsigned int xid,
300 struct cifs_tcon *tcon,
3bbeeb3c
JL		 301 const struct cifs_unix_set_info_args *args,
302 u16 fid, u32 pid_of_opener);
303
6d5786a3 304extern int CIFSSMBUnixSetPathInfo(const unsigned int xid,
ff691e96 305 struct cifs_tcon *tcon, const char *file_name,
6d5786a3
PS		 306 const struct cifs_unix_set_info_args *args,
307 const struct nls_table *nls_codepage,
ff691e96 308 int remap);
1da177e4 309
6d5786a3 310extern int CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon,
f436720e 311 const char *name, struct cifs_sb_info *cifs_sb);
6d5786a3 312extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon,
f958ca5d 313 const char *name, struct cifs_sb_info *cifs_sb);
6d5786a3 314extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon,
2d785a50
SF		 315 const char *name, __u16 type,
316 const struct nls_table *nls_codepage,
317 int remap_special_chars);
6d5786a3 318extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon,
ed6875e0 319 const char *name, struct cifs_sb_info *cifs_sb);
6d5786a3 320extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
8ceb9843
PS		 321 const char *from_name, const char *to_name,
322 struct cifs_sb_info *cifs_sb);
6d5786a3
PS		 323extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon,
324 int netfid, const char *target_name,
325 const struct nls_table *nls_codepage,
326 int remap_special_chars);
d6e906f1
SF		 327extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon,
328 const char *from_name, const char *to_name,
329 struct cifs_sb_info *cifs_sb);
6d5786a3 330extern int CIFSUnixCreateHardLink(const unsigned int xid,
96daf2b0 331 struct cifs_tcon *tcon,
1da177e4 332 const char *fromName, const char *toName,
d38d8c74 333 const struct nls_table *nls_codepage,
737b758c 334 int remap_special_chars);
6d5786a3 335extern int CIFSUnixCreateSymLink(const unsigned int xid,
96daf2b0 336 struct cifs_tcon *tcon,
1da177e4
LT		 337 const char *fromName, const char *toName,
338 const struct nls_table *nls_codepage);
6d5786a3 339extern int CIFSSMBUnixQuerySymLink(const unsigned int xid,
96daf2b0 340 struct cifs_tcon *tcon,
460b9696 341 const unsigned char *searchName, char **syminfo,
1da177e4 342 const struct nls_table *nls_codepage);
c52a9554 343#ifdef CONFIG_CIFS_SYMLINK_EXPERIMENTAL
6d5786a3 344extern int CIFSSMBQueryReparseLinkInfo(const unsigned int xid,
96daf2b0 345 struct cifs_tcon *tcon,
1da177e4
LT		 346 const unsigned char *searchName,
347 char *symlinkinfo, const int buflen, __u16 fid,
348 const struct nls_table *nls_codepage);
c52a9554 349#endif /* temporarily unused until cifs_symlink fixed */
6d5786a3 350extern int CIFSSMBOpen(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4
LT		 351 const char *fileName, const int disposition,
352 const int access_flags, const int omode,
8840dee9 353 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
737b758c 354 const struct nls_table *nls_codepage, int remap);
6d5786a3 355extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon,
a9d02ad4
SF		 356 const char *fileName, const int disposition,
357 const int access_flags, const int omode,
8840dee9 358 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
a9d02ad4 359 const struct nls_table *nls_codepage, int remap);
6d5786a3 360extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon,
8840dee9 361 u32 posix_flags, __u64 mode, __u16 *netfid,
2dd29d31
SF		 362 FILE_UNIX_BASIC_INFO *pRetData,
363 __u32 *pOplock, const char *name,
d38d8c74 364 const struct nls_table *nls_codepage, int remap);
6d5786a3 365extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4
LT		 366 const int smb_file_id);
367
6d5786a3 368extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon,
b298f223
SF		 369 const int smb_file_id);
370
6d5786a3 371extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms,
d4ffff1f 372 unsigned int *nbytes, char **buf,
d38d8c74 373 int *return_buf_type);
6d5786a3 374extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms,
fa2989f4
PS		 375 unsigned int *nbytes, const char *buf,
376 const char __user *ubuf, const int long_op);
6d5786a3 377extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms,
ba9ad725 378 unsigned int *nbytes, struct kvec *iov, const int nvec);
6d5786a3 379extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon,
1208ef1f
PS		 380 const char *search_name, __u64 *inode_number,
381 const struct nls_table *nls_codepage,
382 int remap);
1da177e4 383
6d5786a3
PS		 384extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon,
385 const __u16 netfid, const __u8 lock_type,
386 const __u32 num_unlock, const __u32 num_lock,
387 LOCKING_ANDX_RANGE *buf);
388extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon,
03776f45 389 const __u16 netfid, const __u32 netpid, const __u64 len,
1da177e4
LT		 390 const __u64 offset, const __u32 numUnlock,
391 const __u32 numLock, const __u8 lockType,
12fed00d 392 const bool waitFlag, const __u8 oplock_level);
6d5786a3 393extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon,
4f6bcec9 394 const __u16 smb_file_id, const __u32 netpid,
c5fd363d
JL		 395 const loff_t start_offset, const __u64 len,
396 struct file_lock *, const __u16 lock_type,
397 const bool waitFlag);
2e6e02ab 398extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon);
766fdbb5 399extern int CIFSSMBEcho(struct TCP_Server_Info *server);
58c45c58 400extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses);
1da177e4 401
96daf2b0
SF		 402extern struct cifs_ses *sesInfoAlloc(void);
403extern void sesInfoFree(struct cifs_ses *);
404extern struct cifs_tcon *tconInfoAlloc(void);
405extern void tconInfoFree(struct cifs_tcon *);
1da177e4 406
bf5ea0e2
JL		 407extern int cifs_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server,
408 __u32 *pexpected_response_sequence_number);
762a4206 409extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
84afc29b 410 __u32 *);
bf5ea0e2
JL		 411extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
412extern int cifs_verify_signature(struct smb_rqst *rqst,
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
6993f74a 474void cifs_readdata_release(struct kref *refcount);
e28bc5b1 475int cifs_async_readv(struct cifs_readdata *rdata);
09a4707e 476int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid);
e28bc5b1 477
c28c89fc 478int cifs_async_writev(struct cifs_writedata *wdata);
c2e87640
JL		 479void cifs_writev_complete(struct work_struct *work);
480struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages,
481 work_func_t complete);
c28c89fc
JL		 482void cifs_writedata_release(struct kref *refcount);
483
1da177e4 484#endif /* _CIFSPROTO_H */
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