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Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6
[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 *);
38extern int smb_send(struct socket *, struct smb_hdr *,
39 unsigned int /* length */ , struct sockaddr *);
40extern unsigned int _GetXid(void);
41extern void _FreeXid(unsigned int);
55f78e17
HH		 42#define GetXid() (int)_GetXid(); cFYI(1,("CIFS VFS: in %s as Xid: %d with uid: %d",__func__, xid,current->fsuid));
43#define FreeXid(curr_xid) {_FreeXid(curr_xid); cFYI(1,("CIFS VFS: leaving %s (xid = %d) rc = %d",__func__,curr_xid,(int)rc));}
7f57356b 44extern char *build_path_from_dentry(struct dentry *);
1da177e4 45extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
99ee4dbd 46/* extern void renew_parental_timestamps(struct dentry *direntry);*/
1da177e4
LT		 47extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *,
48 struct smb_hdr * /* input */ ,
49 struct smb_hdr * /* out */ ,
50 int * /* bytes returned */ , const int long_op);
133672ef
SF		 51extern int SendReceiveNoRsp(const unsigned int xid, struct cifsSesInfo *ses,
52 struct smb_hdr *in_buf, int flags);
d6e04ae6 53extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *,
d38d8c74 54 struct kvec *, int /* nvec to send */,
133672ef 55 int * /* type of buf returned */ , const int flags);
ad7a2926
SF		 56extern int SendReceiveBlockingLock(const unsigned int xid,
57 struct cifsTconInfo *ptcon,
58 struct smb_hdr *in_buf ,
59 struct smb_hdr *out_buf,
60 int *bytes_returned);
d103e164 61extern int checkSMB(struct smb_hdr *smb, __u16 mid, unsigned int length);
d7c8c94d 62extern int is_valid_oplock_break(struct smb_hdr *smb, struct TCP_Server_Info *);
7ba52631 63extern int is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
6148a742 64extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *);
630f3f0c
SF		 65#ifdef CONFIG_CIFS_EXPERIMENTAL
66extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *);
67#endif
1da177e4 68extern unsigned int smbCalcSize(struct smb_hdr *ptr);
70ca734a 69extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr);
1da177e4
LT		 70extern int decode_negTokenInit(unsigned char *security_blob, int length,
71 enum securityEnum *secType);
d38d8c74 72extern int cifs_inet_pton(int, char *source, void *dst);
a761ac57 73extern int map_smb_to_linux_error(struct smb_hdr *smb, int logErr);
1da177e4 74extern void header_assemble(struct smb_hdr *, char /* command */ ,
1982c344
SF		 75 const struct cifsTconInfo *, int /* length of
76 fixed section (word count) in two byte units */);
5815449d
SF		 77extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
78 struct cifsSesInfo *ses,
50c2f753 79 void **request_buf);
5815449d 80extern int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses,
d38d8c74 81 const int stage,
5815449d 82 const struct nls_table *nls_cp);
1982c344 83extern __u16 GetNextMid(struct TCP_Server_Info *server);
50c2f753 84extern struct oplock_q_entry *AllocOplockQEntry(struct inode *, u16,
737b758c 85 struct cifsTconInfo *);
1da177e4 86extern void DeleteOplockQEntry(struct oplock_q_entry *);
ad7a2926 87extern struct timespec cifs_NTtimeToUnix(u64 utc_nanoseconds_since_1601);
1da177e4 88extern u64 cifs_UnixTimeToNT(struct timespec);
1bd5bbcb
SF		 89extern __le64 cnvrtDosCifsTm(__u16 date, __u16 time);
90extern struct timespec cnvrtDosUnixTm(__u16 date, __u16 time);
91
1da177e4 92extern int cifs_get_inode_info(struct inode **pinode,
d38d8c74 93 const unsigned char *search_path,
1da177e4 94 FILE_ALL_INFO * pfile_info,
8b1327f6 95 struct super_block *sb, int xid, const __u16 *pfid);
1da177e4
LT		 96extern int cifs_get_inode_info_unix(struct inode **pinode,
97 const unsigned char *search_path,
d38d8c74 98 struct super_block *sb, int xid);
8b1327f6
SF		 99extern void acl_to_uid_mode(struct inode *inode, const char *path,
100 const __u16 *pfid);
97837582 101extern int mode_to_acl(struct inode *inode, const char *path, __u64);
953f8681 102
1da177e4
LT		 103extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
104 const char *);
105extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
c1ce2644 106#ifdef CONFIG_CIFS_DFS_UPCALL
6d5ae0de 107extern void dfs_shrink_umount_helper(struct vfsmount *vfsmnt);
90c81e0b
SF		 108#else
109static inline void dfs_shrink_umount_helper(struct vfsmount *vfsmnt)
110{
111}
112#endif /* DFS_UPCALL */
1da177e4
LT		 113void cifs_proc_init(void);
114void cifs_proc_clean(void);
115
d38d8c74
SF		 116extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
117 struct nls_table *nls_info);
1da177e4
LT		 118extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
119
120extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
121 const char *tree, struct cifsTconInfo *tcon,
122 const struct nls_table *);
123
124extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
ec637e3f 125 const char *searchName, const struct nls_table *nls_codepage,
d38d8c74 126 __u16 *searchHandle, struct cifs_search_info *psrch_inf,
ec637e3f 127 int map, const char dirsep);
1da177e4
LT		 128
129extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
d38d8c74 130 __u16 searchHandle, struct cifs_search_info *psrch_inf);
1da177e4
LT		 131
132extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
133 const __u16 search_handle);
134
135extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
136 const unsigned char *searchName,
137 FILE_ALL_INFO * findData,
acf1a1b1 138 int legacy /* whether to use old info level */,
737b758c 139 const struct nls_table *nls_codepage, int remap);
6b8edfe0 140extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
d38d8c74
SF		 141 const unsigned char *searchName,
142 FILE_ALL_INFO *findData,
143 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 144
145extern int CIFSSMBUnixQPathInfo(const int xid,
146 struct cifsTconInfo *tcon,
147 const unsigned char *searchName,
148 FILE_UNIX_BASIC_INFO * pFindData,
737b758c 149 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 150
151extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
152 const unsigned char *searchName,
153 unsigned char **targetUNCs,
154 unsigned int *number_of_UNC_in_array,
737b758c 155 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 156
157extern int connect_to_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
158 const char *old_path,
737b758c 159 const struct nls_table *nls_codepage, int remap);
1da177e4 160extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
d38d8c74 161 const char *old_path,
737b758c 162 const struct nls_table *nls_codepage,
d38d8c74 163 unsigned int *pnum_referrals,
366781c1 164 struct dfs_info3_param **preferrals,
737b758c 165 int remap);
8af18971 166extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
d38d8c74 167 struct super_block *sb, struct smb_vol *vol);
1da177e4 168extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
737b758c 169 struct kstatfs *FSData);
20962438
SF		 170extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon,
171 struct kstatfs *FSData);
45abc6ee 172extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
ac67055e
JA		 173 __u64 cap);
174
1da177e4 175extern int CIFSSMBQFSAttributeInfo(const int xid,
737b758c
SF		 176 struct cifsTconInfo *tcon);
177extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
178extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
1da177e4 179extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
737b758c 180 struct kstatfs *FSData);
1da177e4
LT		 181
182extern int CIFSSMBSetTimes(const int xid, struct cifsTconInfo *tcon,
ad7a2926 183 const char *fileName, const FILE_BASIC_INFO *data,
737b758c
SF		 184 const struct nls_table *nls_codepage,
185 int remap_special_chars);
1da177e4 186extern int CIFSSMBSetFileTimes(const int xid, struct cifsTconInfo *tcon,
ad7a2926 187 const FILE_BASIC_INFO *data, __u16 fid);
1da177e4
LT		 188#if 0
189extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
190 char *fileName, __u16 dos_attributes,
191 const struct nls_table *nls_codepage);
192#endif /* possibly unneeded function */
193extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
737b758c
SF		 194 const char *fileName, __u64 size,
195 int setAllocationSizeFlag,
196 const struct nls_table *nls_codepage,
197 int remap_special_chars);
1da177e4 198extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
d38d8c74 199 __u64 size, __u16 fileHandle, __u32 opener_pid,
737b758c 200 int AllocSizeFlag);
1da177e4
LT		 201extern int CIFSSMBUnixSetPerms(const int xid, struct cifsTconInfo *pTcon,
202 char *full_path, __u64 mode, __u64 uid,
d38d8c74 203 __u64 gid, dev_t dev,
737b758c
SF		 204 const struct nls_table *nls_codepage,
205 int remap_special_chars);
1da177e4
LT		 206
207extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
208 const char *newName,
737b758c
SF		 209 const struct nls_table *nls_codepage,
210 int remap_special_chars);
1da177e4 211extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
737b758c
SF		 212 const char *name, const struct nls_table *nls_codepage,
213 int remap_special_chars);
2d785a50
SF		 214extern int CIFSPOSIXDelFile(const int xid, struct cifsTconInfo *tcon,
215 const char *name, __u16 type,
216 const struct nls_table *nls_codepage,
217 int remap_special_chars);
1da177e4
LT		 218extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
219 const char *name,
737b758c
SF		 220 const struct nls_table *nls_codepage,
221 int remap_special_chars);
1da177e4
LT		 222extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
223 const char *fromName, const char *toName,
737b758c
SF		 224 const struct nls_table *nls_codepage,
225 int remap_special_chars);
d38d8c74
SF		 226extern int CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon,
227 int netfid, char *target_name,
737b758c
SF		 228 const struct nls_table *nls_codepage,
229 int remap_special_chars);
1da177e4
LT		 230extern int CIFSCreateHardLink(const int xid,
231 struct cifsTconInfo *tcon,
232 const char *fromName, const char *toName,
737b758c
SF		 233 const struct nls_table *nls_codepage,
234 int remap_special_chars);
1da177e4
LT		 235extern int CIFSUnixCreateHardLink(const int xid,
236 struct cifsTconInfo *tcon,
237 const char *fromName, const char *toName,
d38d8c74 238 const struct nls_table *nls_codepage,
737b758c 239 int remap_special_chars);
1da177e4
LT		 240extern int CIFSUnixCreateSymLink(const int xid,
241 struct cifsTconInfo *tcon,
242 const char *fromName, const char *toName,
243 const struct nls_table *nls_codepage);
244extern int CIFSSMBUnixQuerySymLink(const int xid,
245 struct cifsTconInfo *tcon,
246 const unsigned char *searchName,
247 char *syminfo, const int buflen,
248 const struct nls_table *nls_codepage);
d38d8c74 249extern int CIFSSMBQueryReparseLinkInfo(const int xid,
1da177e4
LT		 250 struct cifsTconInfo *tcon,
251 const unsigned char *searchName,
252 char *symlinkinfo, const int buflen, __u16 fid,
253 const struct nls_table *nls_codepage);
254
255extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
256 const char *fileName, const int disposition,
257 const int access_flags, const int omode,
8840dee9 258 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
737b758c 259 const struct nls_table *nls_codepage, int remap);
a9d02ad4
SF		 260extern int SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon,
261 const char *fileName, const int disposition,
262 const int access_flags, const int omode,
8840dee9 263 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
a9d02ad4 264 const struct nls_table *nls_codepage, int remap);
d38d8c74 265extern int CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon,
8840dee9 266 u32 posix_flags, __u64 mode, __u16 *netfid,
2dd29d31
SF		 267 FILE_UNIX_BASIC_INFO *pRetData,
268 __u32 *pOplock, const char *name,
d38d8c74 269 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 270extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
271 const int smb_file_id);
272
273extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
d38d8c74
SF		 274 const int netfid, unsigned int count,
275 const __u64 lseek, unsigned int *nbytes, char **buf,
276 int *return_buf_type);
1da177e4
LT		 277extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
278 const int netfid, const unsigned int count,
279 const __u64 lseek, unsigned int *nbytes,
d38d8c74 280 const char *buf, const char __user *ubuf,
1da177e4 281 const int long_op);
1da177e4
LT		 282extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
283 const int netfid, const unsigned int count,
d38d8c74 284 const __u64 offset, unsigned int *nbytes,
3e84469d 285 struct kvec *iov, const int nvec, const int long_op);
1da177e4 286extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
8840dee9 287 const unsigned char *searchName, __u64 *inode_number,
d38d8c74 288 const struct nls_table *nls_codepage,
737b758c 289 int remap_special_chars);
b1a45695 290extern int cifs_convertUCSpath(char *target, const __le16 *source, int maxlen,
d38d8c74
SF		 291 const struct nls_table *codepage);
292extern int cifsConvertToUCS(__le16 *target, const char *source, int maxlen,
293 const struct nls_table *cp, int mapChars);
1da177e4
LT		 294
295extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
296 const __u16 netfid, const __u64 len,
297 const __u64 offset, const __u32 numUnlock,
298 const __u32 numLock, const __u8 lockType,
299 const int waitFlag);
08547b03
SF		 300extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
301 const __u16 smb_file_id, const int get_flag,
d38d8c74 302 const __u64 len, struct file_lock *,
08547b03 303 const __u16 lock_type, const int waitFlag);
1da177e4
LT		 304extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
305extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
306
307extern struct cifsSesInfo *sesInfoAlloc(void);
308extern void sesInfoFree(struct cifsSesInfo *);
309extern struct cifsTconInfo *tconInfoAlloc(void);
310extern void tconInfoFree(struct cifsTconInfo *);
311
d38d8c74 312extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
84afc29b
SF		 313extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
314 __u32 *);
b609f06a
SF		 315extern int cifs_verify_signature(struct smb_hdr *,
316 const struct mac_key *mac_key,
317 __u32 expected_sequence_number);
318extern int cifs_calculate_mac_key(struct mac_key *key, const char *rn,
319 const char *pass);
d38d8c74 320extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *,
1717ffc5 321 const struct nls_table *);
26f57364 322extern void CalcNTLMv2_response(const struct cifsSesInfo *, char *);
d38d8c74 323extern void setup_ntlmv2_rsp(struct cifsSesInfo *, char *,
1717ffc5 324 const struct nls_table *);
7c7b25bc 325#ifdef CONFIG_CIFS_WEAK_PW_HASH
d38d8c74 326extern void calc_lanman_hash(struct cifsSesInfo *ses, char *lnm_session_key);
7c7b25bc 327#endif /* CIFS_WEAK_PW_HASH */
1da177e4
LT		 328extern int CIFSSMBCopy(int xid,
329 struct cifsTconInfo *source_tcon,
330 const char *fromName,
331 const __u16 target_tid,
332 const char *toName, const int flags,
50c2f753 333 const struct nls_table *nls_codepage,
737b758c 334 int remap_special_chars);
50c2f753 335extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
d38d8c74
SF		 336 const int notify_subdirs, const __u16 netfid,
337 __u32 filter, struct file *file, int multishot,
167a251a 338 const struct nls_table *nls_codepage);
1da177e4 339extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
d38d8c74 340 const unsigned char *searchName, char *EAData,
737b758c
SF		 341 size_t bufsize, const struct nls_table *nls_codepage,
342 int remap_special_chars);
d38d8c74 343extern ssize_t CIFSSMBQueryEA(const int xid, struct cifsTconInfo *tcon,
50c2f753 344 const unsigned char *searchName, const unsigned char *ea_name,
d38d8c74 345 unsigned char *ea_value, size_t buf_size,
737b758c 346 const struct nls_table *nls_codepage, int remap_special_chars);
d38d8c74
SF		 347extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
348 const char *fileName, const char *ea_name,
349 const void *ea_value, const __u16 ea_value_len,
737b758c 350 const struct nls_table *nls_codepage, int remap_special_chars);
0a4b92c0 351extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon,
630f3f0c 352 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
97837582
SF		 353extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo *, __u16,
354 struct cifs_ntsd *, __u32);
1da177e4
LT		 355extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
356 const unsigned char *searchName,
d38d8c74 357 char *acl_inf, const int buflen, const int acl_type,
737b758c 358 const struct nls_table *nls_codepage, int remap_special_chars);
1da177e4
LT		 359extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
360 const unsigned char *fileName,
361 const char *local_acl, const int buflen, const int acl_type,
737b758c 362 const struct nls_table *nls_codepage, int remap_special_chars);
f654bac2 363extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
8840dee9 364 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
1da177e4 365#endif /* _CIFSPROTO_H */
Linux kernel - Deliverables
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