fs/cifs/cifsproto.h

   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
  25 struct statfs;
  26 struct smb_vol;
  27 struct smb_rqst;
  28
  29 /*
  30  *****************************************************************
  31  * All Prototypes
  32  *****************************************************************
  33  */
  34
  35 extern struct smb_hdr *cifs_buf_get(void);
  36 extern void cifs_buf_release(void *);
  37 extern struct smb_hdr *cifs_small_buf_get(void);
  38 extern void cifs_small_buf_release(void *);
  39 extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *,
  40                         unsigned int /* length */);
  41 extern unsigned int _get_xid(void);
  42 extern void _free_xid(unsigned int);
  43 #define get_xid()                                               \
  44 ({                                                              \
  45         unsigned int __xid = _get_xid();                                \
  46         cFYI(1, "CIFS VFS: in %s as Xid: %u with uid: %d",      \
  47              __func__, __xid, current_fsuid());                 \
  48         __xid;                                                  \
  49 })
  50
  51 #define free_xid(curr_xid)                                      \
  52 do {                                                            \
  53         _free_xid(curr_xid);                                    \
  54         cFYI(1, "CIFS VFS: leaving %s (xid = %u) rc = %d",      \
  55              __func__, curr_xid, (int)rc);                      \
  56 } while (0)
  57 extern int init_cifs_idmap(void);
  58 extern void exit_cifs_idmap(void);
  59 extern void cifs_destroy_idmaptrees(void);
  60 extern char *build_path_from_dentry(struct dentry *);
  61 extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
  62 extern char *cifs_compose_mount_options(const char *sb_mountdata,
  63                 const char *fullpath, const struct dfs_info3_param *ref,
  64                 char **devname);
  65 /* extern void renew_parental_timestamps(struct dentry *direntry);*/
  66 extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer,
  67                                         struct TCP_Server_Info *server);
  68 extern void DeleteMidQEntry(struct mid_q_entry *midEntry);
  69 extern void cifs_delete_mid(struct mid_q_entry *mid);
  70 extern void cifs_wake_up_task(struct mid_q_entry *mid);
  71 extern int cifs_call_async(struct TCP_Server_Info *server, struct kvec *iov,
  72                            unsigned int nvec, mid_receive_t *receive,
  73                            mid_callback_t *callback, void *cbdata,
  74                            const int flags);
  75 extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *,
  76                         struct smb_hdr * /* input */ ,
  77                         struct smb_hdr * /* out */ ,
  78                         int * /* bytes returned */ , const int);
  79 extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
  80                             char *in_buf, int flags);
  81 extern int cifs_setup_request(struct cifs_ses *, struct kvec *, unsigned int,
  82                               struct mid_q_entry **);
  83 extern int cifs_setup_async_request(struct TCP_Server_Info *, struct kvec *,
  84                                     unsigned int, struct mid_q_entry **);
  85 extern int cifs_check_receive(struct mid_q_entry *mid,
  86                         struct TCP_Server_Info *server, bool log_error);
  87 extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
  88                         struct kvec *, int /* nvec to send */,
  89                         int * /* type of buf returned */ , const int flags);
  90 extern int SendReceiveBlockingLock(const unsigned int xid,
  91                         struct cifs_tcon *ptcon,
  92                         struct smb_hdr *in_buf ,
  93                         struct smb_hdr *out_buf,
  94                         int *bytes_returned);
  95 extern int cifs_reconnect(struct TCP_Server_Info *server);
  96 extern int checkSMB(char *buf, unsigned int length);
  97 extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *);
  98 extern bool backup_cred(struct cifs_sb_info *);
  99 extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
 100 extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
 101                             unsigned int bytes_written);
 102 extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool);
 103 extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
 104 extern unsigned int smbCalcSize(void *buf);
 105 extern int decode_negTokenInit(unsigned char *security_blob, int length,
 106                         struct TCP_Server_Info *server);
 107 extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
 108 extern int cifs_set_port(struct sockaddr *addr, const unsigned short int port);
 109 extern int cifs_fill_sockaddr(struct sockaddr *dst, const char *src, int len,
 110                                 const unsigned short int port);
 111 extern int map_smb_to_linux_error(char *buf, bool logErr);
 112 extern void header_assemble(struct smb_hdr *, char /* command */ ,
 113                             const struct cifs_tcon *, int /* length of
 114                             fixed section (word count) in two byte units */);
 115 extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
 116                                 struct cifs_ses *ses,
 117                                 void **request_buf);
 118 extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses,
 119                           const struct nls_table *nls_cp);
 120 extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
 121 extern u64 cifs_UnixTimeToNT(struct timespec);
 122 extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
 123                                       int offset);
 124 extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
 125
 126 extern struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid,
 127                                               struct file *file,
 128                                               struct tcon_link *tlink,
 129                                               __u32 oplock);
 130 extern int cifs_posix_open(char *full_path, struct inode **inode,
 131                            struct super_block *sb, int mode,
 132                            unsigned int f_flags, __u32 *oplock, __u16 *netfid,
 133                            unsigned int xid);
 134 void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
 135 extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
 136                                      FILE_UNIX_BASIC_INFO *info,
 137                                      struct cifs_sb_info *cifs_sb);
 138 extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
 139 extern struct inode *cifs_iget(struct super_block *sb,
 140                                struct cifs_fattr *fattr);
 141
 142 extern int cifs_get_inode_info(struct inode **inode, const char *full_path,
 143                                FILE_ALL_INFO *data, struct super_block *sb,
 144                                int xid, const __u16 *fid);
 145 extern int cifs_get_inode_info_unix(struct inode **pinode,
 146                         const unsigned char *search_path,
 147                         struct super_block *sb, unsigned int xid);
 148 extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs,
 149                               unsigned int xid, char *full_path, __u32 dosattr);
 150 extern int cifs_rename_pending_delete(const char *full_path,
 151                                       struct dentry *dentry,
 152                                       const unsigned int xid);
 153 extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
 154                               struct cifs_fattr *fattr, struct inode *inode,
 155                               const char *path, const __u16 *pfid);
 156 extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64,
 157                                         uid_t, gid_t);
 158 extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
 159                                         const char *, u32 *);
 160 extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
 161                                 const char *, int);
 162
 163 extern void dequeue_mid(struct mid_q_entry *mid, bool malformed);
 164 extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
 165                      unsigned int to_read);
 166 extern int cifs_readv_from_socket(struct TCP_Server_Info *server,
 167                 struct kvec *iov_orig, unsigned int nr_segs,
 168                 unsigned int to_read);
 169 extern void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
 170                                struct cifs_sb_info *cifs_sb);
 171 extern int cifs_match_super(struct super_block *, void *);
 172 extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
 173 extern struct smb_vol *cifs_get_volume_info(char *mount_data,
 174                                             const char *devname);
 175 extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *);
 176 extern void cifs_umount(struct cifs_sb_info *);
 177 extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon);
 178
 179 #if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
 180 extern void cifs_dfs_release_automount_timer(void);
 181 #else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
 182 #define cifs_dfs_release_automount_timer()      do { } while (0)
 183 #endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
 184
 185 void cifs_proc_init(void);
 186 void cifs_proc_clean(void);
 187
 188 extern int cifs_negotiate_protocol(const unsigned int xid,
 189                                    struct cifs_ses *ses);
 190 extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
 191                               struct nls_table *nls_info);
 192 extern int CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses);
 193
 194 extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
 195                     const char *tree, struct cifs_tcon *tcon,
 196                     const struct nls_table *);
 197
 198 extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon,
 199                 const char *searchName, const struct nls_table *nls_codepage,
 200                 __u16 *searchHandle, __u16 search_flags,
 201                 struct cifs_search_info *psrch_inf,
 202                 int map, const char dirsep);
 203
 204 extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon,
 205                 __u16 searchHandle, __u16 search_flags,
 206                 struct cifs_search_info *psrch_inf);
 207
 208 extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon,
 209                         const __u16 search_handle);
 210
 211 extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
 212                         u16 netfid, FILE_ALL_INFO *pFindData);
 213 extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
 214                             const char *search_Name, FILE_ALL_INFO *data,
 215                             int legacy /* whether to use old info level */,
 216                             const struct nls_table *nls_codepage, int remap);
 217 extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon,
 218                                const char *search_name, FILE_ALL_INFO *data,
 219                                const struct nls_table *nls_codepage, int remap);
 220
 221 extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
 222                         u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
 223 extern int CIFSSMBUnixQPathInfo(const unsigned int xid,
 224                         struct cifs_tcon *tcon,
 225                         const unsigned char *searchName,
 226                         FILE_UNIX_BASIC_INFO *pFindData,
 227                         const struct nls_table *nls_codepage, int remap);
 228
 229 extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
 230                            const char *search_name,
 231                            struct dfs_info3_param **target_nodes,
 232                            unsigned int *num_of_nodes,
 233                            const struct nls_table *nls_codepage, int remap);
 234
 235 extern int get_dfs_path(const unsigned int xid, struct cifs_ses *ses,
 236                         const char *old_path,
 237                         const struct nls_table *nls_codepage,
 238                         unsigned int *num_referrals,
 239                         struct dfs_info3_param **referrals, int remap);
 240 extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,
 241                                  struct cifs_sb_info *cifs_sb,
 242                                  struct smb_vol *vol);
 243 extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
 244                         struct kstatfs *FSData);
 245 extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
 246                         struct kstatfs *FSData);
 247 extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon,
 248                         __u64 cap);
 249
 250 extern int CIFSSMBQFSAttributeInfo(const unsigned int xid,
 251                         struct cifs_tcon *tcon);
 252 extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon);
 253 extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon);
 254 extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon,
 255                         struct kstatfs *FSData);
 256
 257 extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
 258                         const char *fileName, const FILE_BASIC_INFO *data,
 259                         const struct nls_table *nls_codepage,
 260                         int remap_special_chars);
 261 extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
 262                         const FILE_BASIC_INFO *data, __u16 fid,
 263                         __u32 pid_of_opener);
 264 extern int CIFSSMBSetFileDisposition(const unsigned int xid,
 265                                      struct cifs_tcon *tcon,
 266                                      bool delete_file, __u16 fid,
 267                                      __u32 pid_of_opener);
 268 #if 0
 269 extern int CIFSSMBSetAttrLegacy(unsigned int xid, struct cifs_tcon *tcon,
 270                         char *fileName, __u16 dos_attributes,
 271                         const struct nls_table *nls_codepage);
 272 #endif /* possibly unneeded function */
 273 extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon,
 274                          const char *file_name, __u64 size,
 275                          struct cifs_sb_info *cifs_sb, bool set_allocation);
 276 extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon,
 277                               struct cifsFileInfo *cfile, __u64 size,
 278                               bool set_allocation);
 279
 280 struct cifs_unix_set_info_args {
 281         __u64   ctime;
 282         __u64   atime;
 283         __u64   mtime;
 284         __u64   mode;
 285         __u64   uid;
 286         __u64   gid;
 287         dev_t   device;
 288 };
 289
 290 extern int CIFSSMBUnixSetFileInfo(const unsigned int xid,
 291                                   struct cifs_tcon *tcon,
 292                                   const struct cifs_unix_set_info_args *args,
 293                                   u16 fid, u32 pid_of_opener);
 294
 295 extern int CIFSSMBUnixSetPathInfo(const unsigned int xid,
 296                                   struct cifs_tcon *tcon, const char *file_name,
 297                                   const struct cifs_unix_set_info_args *args,
 298                                   const struct nls_table *nls_codepage,
 299                                   int remap);
 300
 301 extern int CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon,
 302                         const char *name, struct cifs_sb_info *cifs_sb);
 303 extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon,
 304                         const char *name, struct cifs_sb_info *cifs_sb);
 305 extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon,
 306                         const char *name, __u16 type,
 307                         const struct nls_table *nls_codepage,
 308                         int remap_special_chars);
 309 extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon,
 310                           const char *name, struct cifs_sb_info *cifs_sb);
 311 extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
 312                          const char *from_name, const char *to_name,
 313                          struct cifs_sb_info *cifs_sb);
 314 extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon,
 315                                  int netfid, const char *target_name,
 316                                  const struct nls_table *nls_codepage,
 317                                  int remap_special_chars);
 318 extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon,
 319                               const char *from_name, const char *to_name,
 320                               struct cifs_sb_info *cifs_sb);
 321 extern int CIFSUnixCreateHardLink(const unsigned int xid,
 322                         struct cifs_tcon *tcon,
 323                         const char *fromName, const char *toName,
 324                         const struct nls_table *nls_codepage,
 325                         int remap_special_chars);
 326 extern int CIFSUnixCreateSymLink(const unsigned int xid,
 327                         struct cifs_tcon *tcon,
 328                         const char *fromName, const char *toName,
 329                         const struct nls_table *nls_codepage);
 330 extern int CIFSSMBUnixQuerySymLink(const unsigned int xid,
 331                         struct cifs_tcon *tcon,
 332                         const unsigned char *searchName, char **syminfo,
 333                         const struct nls_table *nls_codepage);
 334 #ifdef CONFIG_CIFS_SYMLINK_EXPERIMENTAL
 335 extern int CIFSSMBQueryReparseLinkInfo(const unsigned int xid,
 336                         struct cifs_tcon *tcon,
 337                         const unsigned char *searchName,
 338                         char *symlinkinfo, const int buflen, __u16 fid,
 339                         const struct nls_table *nls_codepage);
 340 #endif /* temporarily unused until cifs_symlink fixed */
 341 extern int CIFSSMBOpen(const unsigned int xid, struct cifs_tcon *tcon,
 342                         const char *fileName, const int disposition,
 343                         const int access_flags, const int omode,
 344                         __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
 345                         const struct nls_table *nls_codepage, int remap);
 346 extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon,
 347                         const char *fileName, const int disposition,
 348                         const int access_flags, const int omode,
 349                         __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
 350                         const struct nls_table *nls_codepage, int remap);
 351 extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon,
 352                         u32 posix_flags, __u64 mode, __u16 *netfid,
 353                         FILE_UNIX_BASIC_INFO *pRetData,
 354                         __u32 *pOplock, const char *name,
 355                         const struct nls_table *nls_codepage, int remap);
 356 extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon,
 357                         const int smb_file_id);
 358
 359 extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon,
 360                         const int smb_file_id);
 361
 362 extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms,
 363                         unsigned int *nbytes, char **buf,
 364                         int *return_buf_type);
 365 extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms,
 366                         unsigned int *nbytes, const char *buf,
 367                         const char __user *ubuf, const int long_op);
 368 extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms,
 369                         unsigned int *nbytes, struct kvec *iov, const int nvec);
 370 extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon,
 371                                  const char *search_name, __u64 *inode_number,
 372                                  const struct nls_table *nls_codepage,
 373                                  int remap);
 374
 375 extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon,
 376                       const __u16 netfid, const __u8 lock_type,
 377                       const __u32 num_unlock, const __u32 num_lock,
 378                       LOCKING_ANDX_RANGE *buf);
 379 extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon,
 380                         const __u16 netfid, const __u32 netpid, const __u64 len,
 381                         const __u64 offset, const __u32 numUnlock,
 382                         const __u32 numLock, const __u8 lockType,
 383                         const bool waitFlag, const __u8 oplock_level);
 384 extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon,
 385                         const __u16 smb_file_id, const __u32 netpid,
 386                         const loff_t start_offset, const __u64 len,
 387                         struct file_lock *, const __u16 lock_type,
 388                         const bool waitFlag);
 389 extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon);
 390 extern int CIFSSMBEcho(struct TCP_Server_Info *server);
 391 extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses);
 392
 393 extern struct cifs_ses *sesInfoAlloc(void);
 394 extern void sesInfoFree(struct cifs_ses *);
 395 extern struct cifs_tcon *tconInfoAlloc(void);
 396 extern void tconInfoFree(struct cifs_tcon *);
 397
 398 extern int cifs_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server,
 399                    __u32 *pexpected_response_sequence_number);
 400 extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
 401                           __u32 *);
 402 extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
 403 extern int cifs_verify_signature(struct smb_rqst *rqst,
 404                                  struct TCP_Server_Info *server,
 405                                 __u32 expected_sequence_number);
 406 extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *,
 407                         const struct nls_table *);
 408 extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *);
 409 extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *);
 410 extern int cifs_crypto_shash_allocate(struct TCP_Server_Info *);
 411 extern void cifs_crypto_shash_release(struct TCP_Server_Info *);
 412 extern int calc_seckey(struct cifs_ses *);
 413
 414 #ifdef CONFIG_CIFS_WEAK_PW_HASH
 415 extern int calc_lanman_hash(const char *password, const char *cryptkey,
 416                                 bool encrypt, char *lnm_session_key);
 417 #endif /* CIFS_WEAK_PW_HASH */
 418 #ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */
 419 extern int CIFSSMBNotify(const unsigned int xid, struct cifs_tcon *tcon,
 420                         const int notify_subdirs, const __u16 netfid,
 421                         __u32 filter, struct file *file, int multishot,
 422                         const struct nls_table *nls_codepage);
 423 #endif /* was needed for dnotify, and will be needed for inotify when VFS fix */
 424 extern int CIFSSMBCopy(unsigned int xid,
 425                         struct cifs_tcon *source_tcon,
 426                         const char *fromName,
 427                         const __u16 target_tid,
 428                         const char *toName, const int flags,
 429                         const struct nls_table *nls_codepage,
 430                         int remap_special_chars);
 431 extern ssize_t CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon,
 432                         const unsigned char *searchName,
 433                         const unsigned char *ea_name, char *EAData,
 434                         size_t bufsize, const struct nls_table *nls_codepage,
 435                         int remap_special_chars);
 436 extern int CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon,
 437                 const char *fileName, const char *ea_name,
 438                 const void *ea_value, const __u16 ea_value_len,
 439                 const struct nls_table *nls_codepage, int remap_special_chars);
 440 extern int CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon,
 441                         __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
 442 extern int CIFSSMBSetCIFSACL(const unsigned int, struct cifs_tcon *, __u16,
 443                         struct cifs_ntsd *, __u32, int);
 444 extern int CIFSSMBGetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
 445                 const unsigned char *searchName,
 446                 char *acl_inf, const int buflen, const int acl_type,
 447                 const struct nls_table *nls_codepage, int remap_special_chars);
 448 extern int CIFSSMBSetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
 449                 const unsigned char *fileName,
 450                 const char *local_acl, const int buflen, const int acl_type,
 451                 const struct nls_table *nls_codepage, int remap_special_chars);
 452 extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon,
 453                         const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
 454 extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
 455 extern bool CIFSCouldBeMFSymlink(const struct cifs_fattr *fattr);
 456 extern int CIFSCheckMFSymlink(struct cifs_fattr *fattr,
 457                 const unsigned char *path,
 458                 struct cifs_sb_info *cifs_sb, unsigned int xid);
 459 extern int mdfour(unsigned char *, unsigned char *, int);
 460 extern int E_md4hash(const unsigned char *passwd, unsigned char *p16,
 461                         const struct nls_table *codepage);
 462 extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
 463                         unsigned char *p24);
 464
 465 void cifs_readdata_release(struct kref *refcount);
 466 int cifs_async_readv(struct cifs_readdata *rdata);
 467 int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid);
 468
 469 int cifs_async_writev(struct cifs_writedata *wdata);
 470 void cifs_writev_complete(struct work_struct *work);
 471 struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages,
 472                                                 work_func_t complete);
 473 void cifs_writedata_release(struct kref *refcount);
 474
 475 #endif                  /* _CIFSPROTO_H */