1/*
2 *   fs/cifs/cifsproto.h
3 *
4 *   Copyright (c) International Business Machines  Corp., 2002,2008
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
19 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21#ifndef _CIFSPROTO_H
22#define _CIFSPROTO_H
23#include <linux/nls.h>
24
25struct statfs;
26struct smb_vol;
27struct smb_rqst;
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 *);
39extern void free_rsp_buf(int, void *);
40extern void cifs_rqst_page_to_kvec(struct smb_rqst *rqst, unsigned int idx,
41					struct kvec *iov);
42extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *,
43			unsigned int /* length */);
44extern unsigned int _get_xid(void);
45extern void _free_xid(unsigned int);
46#define get_xid()						\
47({								\
48	unsigned int __xid = _get_xid();				\
49	cifs_dbg(FYI, "CIFS VFS: in %s as Xid: %u with uid: %d\n",	\
50		 __func__, __xid,					\
51		 from_kuid(&init_user_ns, current_fsuid()));		\
52	__xid;							\
53})
54
55#define free_xid(curr_xid)					\
56do {								\
57	_free_xid(curr_xid);					\
58	cifs_dbg(FYI, "CIFS VFS: leaving %s (xid = %u) rc = %d\n",	\
59		 __func__, curr_xid, (int)rc);				\
60} while (0)
61extern int init_cifs_idmap(void);
62extern void exit_cifs_idmap(void);
63extern int init_cifs_spnego(void);
64extern void exit_cifs_spnego(void);
65extern char *build_path_from_dentry(struct dentry *);
66extern char *cifs_build_path_to_root(struct smb_vol *vol,
67				     struct cifs_sb_info *cifs_sb,
68				     struct cifs_tcon *tcon);
69extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
70extern char *cifs_compose_mount_options(const char *sb_mountdata,
71		const char *fullpath, const struct dfs_info3_param *ref,
72		char **devname);
73/* extern void renew_parental_timestamps(struct dentry *direntry);*/
74extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer,
75					struct TCP_Server_Info *server);
76extern void DeleteMidQEntry(struct mid_q_entry *midEntry);
77extern void cifs_delete_mid(struct mid_q_entry *mid);
78extern void cifs_wake_up_task(struct mid_q_entry *mid);
79extern int cifs_call_async(struct TCP_Server_Info *server,
80			struct smb_rqst *rqst,
81			mid_receive_t *receive, mid_callback_t *callback,
82			void *cbdata, const int flags);
83extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *,
84			struct smb_hdr * /* input */ ,
85			struct smb_hdr * /* out */ ,
86			int * /* bytes returned */ , const int);
87extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
88			    char *in_buf, int flags);
89extern struct mid_q_entry *cifs_setup_request(struct cifs_ses *,
90				struct smb_rqst *);
91extern struct mid_q_entry *cifs_setup_async_request(struct TCP_Server_Info *,
92						struct smb_rqst *);
93extern int cifs_check_receive(struct mid_q_entry *mid,
94			struct TCP_Server_Info *server, bool log_error);
95extern int cifs_wait_mtu_credits(struct TCP_Server_Info *server,
96				 unsigned int size, unsigned int *num,
97				 unsigned int *credits);
98extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
99			struct kvec *, int /* nvec to send */,
100			int * /* type of buf returned */ , const int flags);
101extern int SendReceiveBlockingLock(const unsigned int xid,
102			struct cifs_tcon *ptcon,
103			struct smb_hdr *in_buf ,
104			struct smb_hdr *out_buf,
105			int *bytes_returned);
106extern int cifs_reconnect(struct TCP_Server_Info *server);
107extern int checkSMB(char *buf, unsigned int length);
108extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *);
109extern bool backup_cred(struct cifs_sb_info *);
110extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
111extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
112			    unsigned int bytes_written);
113extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool);
114extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
115extern unsigned int smbCalcSize(void *buf);
116extern int decode_negTokenInit(unsigned char *security_blob, int length,
117			struct TCP_Server_Info *server);
118extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
119extern void cifs_set_port(struct sockaddr *addr, const unsigned short int port);
120extern int map_smb_to_linux_error(char *buf, bool logErr);
121extern void header_assemble(struct smb_hdr *, char /* command */ ,
122			    const struct cifs_tcon *, int /* length of
123			    fixed section (word count) in two byte units */);
124extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
125				struct cifs_ses *ses,
126				void **request_buf);
127extern enum securityEnum select_sectype(struct TCP_Server_Info *server,
128				enum securityEnum requested);
129extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses,
130			  const struct nls_table *nls_cp);
131extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
132extern u64 cifs_UnixTimeToNT(struct timespec);
133extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
134				      int offset);
135extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
136extern int cifs_get_writer(struct cifsInodeInfo *cinode);
137extern void cifs_put_writer(struct cifsInodeInfo *cinode);
138extern void cifs_done_oplock_break(struct cifsInodeInfo *cinode);
139extern int cifs_unlock_range(struct cifsFileInfo *cfile,
140			     struct file_lock *flock, const unsigned int xid);
141extern int cifs_push_mandatory_locks(struct cifsFileInfo *cfile);
142
143extern struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid,
144					      struct file *file,
145					      struct tcon_link *tlink,
146					      __u32 oplock);
147extern int cifs_posix_open(char *full_path, struct inode **inode,
148			   struct super_block *sb, int mode,
149			   unsigned int f_flags, __u32 *oplock, __u16 *netfid,
150			   unsigned int xid);
151void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
152extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
153				     FILE_UNIX_BASIC_INFO *info,
154				     struct cifs_sb_info *cifs_sb);
155extern void cifs_dir_info_to_fattr(struct cifs_fattr *, FILE_DIRECTORY_INFO *,
156					struct cifs_sb_info *);
157extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
158extern struct inode *cifs_iget(struct super_block *sb,
159			       struct cifs_fattr *fattr);
160
161extern int cifs_get_inode_info(struct inode **inode, const char *full_path,
162			       FILE_ALL_INFO *data, struct super_block *sb,
163			       int xid, const struct cifs_fid *fid);
164extern int cifs_get_inode_info_unix(struct inode **pinode,
165			const unsigned char *search_path,
166			struct super_block *sb, unsigned int xid);
167extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs,
168			      unsigned int xid, char *full_path, __u32 dosattr);
169extern int cifs_rename_pending_delete(const char *full_path,
170				      struct dentry *dentry,
171				      const unsigned int xid);
172extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
173			      struct cifs_fattr *fattr, struct inode *inode,
174			      const char *path, const struct cifs_fid *pfid);
175extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64,
176					kuid_t, kgid_t);
177extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
178					const char *, u32 *);
179extern struct cifs_ntsd *get_cifs_acl_by_fid(struct cifs_sb_info *,
180						const struct cifs_fid *, u32 *);
181extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
182				const char *, int);
183
184extern void dequeue_mid(struct mid_q_entry *mid, bool malformed);
185extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
186		     unsigned int to_read);
187extern int cifs_readv_from_socket(struct TCP_Server_Info *server,
188		struct kvec *iov_orig, unsigned int nr_segs,
189		unsigned int to_read);
190extern void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
191			       struct cifs_sb_info *cifs_sb);
192extern int cifs_match_super(struct super_block *, void *);
193extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
194extern struct smb_vol *cifs_get_volume_info(char *mount_data,
195					    const char *devname);
196extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *);
197extern void cifs_umount(struct cifs_sb_info *);
198extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon);
199extern bool cifs_find_lock_conflict(struct cifsFileInfo *cfile, __u64 offset,
200				    __u64 length, __u8 type,
201				    struct cifsLockInfo **conf_lock,
202				    int rw_check);
203extern void cifs_add_pending_open(struct cifs_fid *fid,
204				  struct tcon_link *tlink,
205				  struct cifs_pending_open *open);
206extern void cifs_add_pending_open_locked(struct cifs_fid *fid,
207					 struct tcon_link *tlink,
208					 struct cifs_pending_open *open);
209extern void cifs_del_pending_open(struct cifs_pending_open *open);
210
211#if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
212extern void cifs_dfs_release_automount_timer(void);
213#else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
214#define cifs_dfs_release_automount_timer()	do { } while (0)
215#endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
216
217void cifs_proc_init(void);
218void cifs_proc_clean(void);
219
220extern void cifs_move_llist(struct list_head *source, struct list_head *dest);
221extern void cifs_free_llist(struct list_head *llist);
222extern void cifs_del_lock_waiters(struct cifsLockInfo *lock);
223
224extern int cifs_negotiate_protocol(const unsigned int xid,
225				   struct cifs_ses *ses);
226extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
227			      struct nls_table *nls_info);
228extern int cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required);
229extern int CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses);
230
231extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
232		    const char *tree, struct cifs_tcon *tcon,
233		    const struct nls_table *);
234
235extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon,
236		const char *searchName, struct cifs_sb_info *cifs_sb,
237		__u16 *searchHandle, __u16 search_flags,
238		struct cifs_search_info *psrch_inf,
239		bool msearch);
240
241extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon,
242		__u16 searchHandle, __u16 search_flags,
243		struct cifs_search_info *psrch_inf);
244
245extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon,
246			const __u16 search_handle);
247
248extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
249			u16 netfid, FILE_ALL_INFO *pFindData);
250extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
251			    const char *search_Name, FILE_ALL_INFO *data,
252			    int legacy /* whether to use old info level */,
253			    const struct nls_table *nls_codepage, int remap);
254extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon,
255			       const char *search_name, FILE_ALL_INFO *data,
256			       const struct nls_table *nls_codepage, int remap);
257
258extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
259			u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
260extern int CIFSSMBUnixQPathInfo(const unsigned int xid,
261			struct cifs_tcon *tcon,
262			const unsigned char *searchName,
263			FILE_UNIX_BASIC_INFO *pFindData,
264			const struct nls_table *nls_codepage, int remap);
265
266extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
267			   const char *search_name,
268			   struct dfs_info3_param **target_nodes,
269			   unsigned int *num_of_nodes,
270			   const struct nls_table *nls_codepage, int remap);
271
272extern int get_dfs_path(const unsigned int xid, struct cifs_ses *ses,
273			const char *old_path,
274			const struct nls_table *nls_codepage,
275			unsigned int *num_referrals,
276			struct dfs_info3_param **referrals, int remap);
277extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,
278				 struct cifs_sb_info *cifs_sb,
279				 struct smb_vol *vol);
280extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
281			struct kstatfs *FSData);
282extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
283			struct kstatfs *FSData);
284extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon,
285			__u64 cap);
286
287extern int CIFSSMBQFSAttributeInfo(const unsigned int xid,
288			struct cifs_tcon *tcon);
289extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon);
290extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon);
291extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon,
292			struct kstatfs *FSData);
293
294extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
295			const char *fileName, const FILE_BASIC_INFO *data,
296			const struct nls_table *nls_codepage,
297			int remap_special_chars);
298extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
299			const FILE_BASIC_INFO *data, __u16 fid,
300			__u32 pid_of_opener);
301extern int CIFSSMBSetFileDisposition(const unsigned int xid,
302				     struct cifs_tcon *tcon,
303				     bool delete_file, __u16 fid,
304				     __u32 pid_of_opener);
305#if 0
306extern int CIFSSMBSetAttrLegacy(unsigned int xid, struct cifs_tcon *tcon,
307			char *fileName, __u16 dos_attributes,
308			const struct nls_table *nls_codepage);
309#endif /* possibly unneeded function */
310extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon,
311			 const char *file_name, __u64 size,
312			 struct cifs_sb_info *cifs_sb, bool set_allocation);
313extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon,
314			      struct cifsFileInfo *cfile, __u64 size,
315			      bool set_allocation);
316
317struct cifs_unix_set_info_args {
318	__u64	ctime;
319	__u64	atime;
320	__u64	mtime;
321	__u64	mode;
322	kuid_t	uid;
323	kgid_t	gid;
324	dev_t	device;
325};
326
327extern int CIFSSMBUnixSetFileInfo(const unsigned int xid,
328				  struct cifs_tcon *tcon,
329				  const struct cifs_unix_set_info_args *args,
330				  u16 fid, u32 pid_of_opener);
331
332extern int CIFSSMBUnixSetPathInfo(const unsigned int xid,
333				  struct cifs_tcon *tcon, const char *file_name,
334				  const struct cifs_unix_set_info_args *args,
335				  const struct nls_table *nls_codepage,
336				  int remap);
337
338extern int CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon,
339			const char *name, struct cifs_sb_info *cifs_sb);
340extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon,
341			const char *name, struct cifs_sb_info *cifs_sb);
342extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon,
343			const char *name, __u16 type,
344			const struct nls_table *nls_codepage,
345			int remap_special_chars);
346extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon,
347			  const char *name, struct cifs_sb_info *cifs_sb);
348extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
349			 const char *from_name, const char *to_name,
350			 struct cifs_sb_info *cifs_sb);
351extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon,
352				 int netfid, const char *target_name,
353				 const struct nls_table *nls_codepage,
354				 int remap_special_chars);
355extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon,
356			      const char *from_name, const char *to_name,
357			      struct cifs_sb_info *cifs_sb);
358extern int CIFSUnixCreateHardLink(const unsigned int xid,
359			struct cifs_tcon *tcon,
360			const char *fromName, const char *toName,
361			const struct nls_table *nls_codepage,
362			int remap_special_chars);
363extern int CIFSUnixCreateSymLink(const unsigned int xid,
364			struct cifs_tcon *tcon,
365			const char *fromName, const char *toName,
366			const struct nls_table *nls_codepage, int remap);
367extern int CIFSSMBUnixQuerySymLink(const unsigned int xid,
368			struct cifs_tcon *tcon,
369			const unsigned char *searchName, char **syminfo,
370			const struct nls_table *nls_codepage, int remap);
371extern int CIFSSMBQuerySymLink(const unsigned int xid, struct cifs_tcon *tcon,
372			       __u16 fid, char **symlinkinfo,
373			       const struct nls_table *nls_codepage);
374extern int CIFSSMB_set_compression(const unsigned int xid,
375				   struct cifs_tcon *tcon, __u16 fid);
376extern int CIFS_open(const unsigned int xid, struct cifs_open_parms *oparms,
377		     int *oplock, FILE_ALL_INFO *buf);
378extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon,
379			const char *fileName, const int disposition,
380			const int access_flags, const int omode,
381			__u16 *netfid, int *pOplock, FILE_ALL_INFO *,
382			const struct nls_table *nls_codepage, int remap);
383extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon,
384			u32 posix_flags, __u64 mode, __u16 *netfid,
385			FILE_UNIX_BASIC_INFO *pRetData,
386			__u32 *pOplock, const char *name,
387			const struct nls_table *nls_codepage, int remap);
388extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon,
389			const int smb_file_id);
390
391extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon,
392			const int smb_file_id);
393
394extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms,
395			unsigned int *nbytes, char **buf,
396			int *return_buf_type);
397extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms,
398			unsigned int *nbytes, const char *buf,
399			const char __user *ubuf, const int long_op);
400extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms,
401			unsigned int *nbytes, struct kvec *iov, const int nvec);
402extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon,
403				 const char *search_name, __u64 *inode_number,
404				 const struct nls_table *nls_codepage,
405				 int remap);
406
407extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon,
408		      const __u16 netfid, const __u8 lock_type,
409		      const __u32 num_unlock, const __u32 num_lock,
410		      LOCKING_ANDX_RANGE *buf);
411extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon,
412			const __u16 netfid, const __u32 netpid, const __u64 len,
413			const __u64 offset, const __u32 numUnlock,
414			const __u32 numLock, const __u8 lockType,
415			const bool waitFlag, const __u8 oplock_level);
416extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon,
417			const __u16 smb_file_id, const __u32 netpid,
418			const loff_t start_offset, const __u64 len,
419			struct file_lock *, const __u16 lock_type,
420			const bool waitFlag);
421extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon);
422extern int CIFSSMBEcho(struct TCP_Server_Info *server);
423extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses);
424
425extern struct cifs_ses *sesInfoAlloc(void);
426extern void sesInfoFree(struct cifs_ses *);
427extern struct cifs_tcon *tconInfoAlloc(void);
428extern void tconInfoFree(struct cifs_tcon *);
429
430extern int cifs_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server,
431		   __u32 *pexpected_response_sequence_number);
432extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
433			  __u32 *);
434extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
435extern int cifs_verify_signature(struct smb_rqst *rqst,
436				 struct TCP_Server_Info *server,
437				__u32 expected_sequence_number);
438extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *,
439			const struct nls_table *);
440extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *);
441extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *);
442extern void cifs_crypto_shash_release(struct TCP_Server_Info *);
443extern int calc_seckey(struct cifs_ses *);
444extern int generate_smb3signingkey(struct cifs_ses *);
445
446#ifdef CONFIG_CIFS_WEAK_PW_HASH
447extern int calc_lanman_hash(const char *password, const char *cryptkey,
448				bool encrypt, char *lnm_session_key);
449#endif /* CIFS_WEAK_PW_HASH */
450#ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */
451extern int CIFSSMBNotify(const unsigned int xid, struct cifs_tcon *tcon,
452			const int notify_subdirs, const __u16 netfid,
453			__u32 filter, struct file *file, int multishot,
454			const struct nls_table *nls_codepage);
455#endif /* was needed for dnotify, and will be needed for inotify when VFS fix */
456extern int CIFSSMBCopy(unsigned int xid,
457			struct cifs_tcon *source_tcon,
458			const char *fromName,
459			const __u16 target_tid,
460			const char *toName, const int flags,
461			const struct nls_table *nls_codepage,
462			int remap_special_chars);
463extern ssize_t CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon,
464			const unsigned char *searchName,
465			const unsigned char *ea_name, char *EAData,
466			size_t bufsize, const struct nls_table *nls_codepage,
467			int remap_special_chars);
468extern int CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon,
469		const char *fileName, const char *ea_name,
470		const void *ea_value, const __u16 ea_value_len,
471		const struct nls_table *nls_codepage, int remap_special_chars);
472extern int CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon,
473			__u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
474extern int CIFSSMBSetCIFSACL(const unsigned int, struct cifs_tcon *, __u16,
475			struct cifs_ntsd *, __u32, int);
476extern int CIFSSMBGetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
477		const unsigned char *searchName,
478		char *acl_inf, const int buflen, const int acl_type,
479		const struct nls_table *nls_codepage, int remap_special_chars);
480extern int CIFSSMBSetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
481		const unsigned char *fileName,
482		const char *local_acl, const int buflen, const int acl_type,
483		const struct nls_table *nls_codepage, int remap_special_chars);
484extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon,
485			const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
486extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
487extern bool couldbe_mf_symlink(const struct cifs_fattr *fattr);
488extern int check_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
489			      struct cifs_sb_info *cifs_sb,
490			      struct cifs_fattr *fattr,
491			      const unsigned char *path);
492extern int mdfour(unsigned char *, unsigned char *, int);
493extern int E_md4hash(const unsigned char *passwd, unsigned char *p16,
494			const struct nls_table *codepage);
495extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
496			unsigned char *p24);
497
498void cifs_readdata_release(struct kref *refcount);
499int cifs_async_readv(struct cifs_readdata *rdata);
500int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid);
501
502int cifs_async_writev(struct cifs_writedata *wdata,
503		      void (*release)(struct kref *kref));
504void cifs_writev_complete(struct work_struct *work);
505struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages,
506						work_func_t complete);
507void cifs_writedata_release(struct kref *refcount);
508int cifs_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
509			  struct cifs_sb_info *cifs_sb,
510			  const unsigned char *path, char *pbuf,
511			  unsigned int *pbytes_read);
512int cifs_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
513			   struct cifs_sb_info *cifs_sb,
514			   const unsigned char *path, char *pbuf,
515			   unsigned int *pbytes_written);
516#endif			/* _CIFSPROTO_H */
517