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[CIFS] Add support for legacy servers part nine. statfs (df and du) is now
[net-next-2.6.git] / fs / cifs / cifsproto.h
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1da177e4
LT		 1/*
2 * fs/cifs/cifsproto.h
3 *
4 * Copyright (c) International Business Machines Corp., 2002,2005
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;
26
27/*
28 *****************************************************************
29 * All Prototypes
30 *****************************************************************
31 */
32
33extern struct smb_hdr *cifs_buf_get(void);
34extern void cifs_buf_release(void *);
35extern struct smb_hdr *cifs_small_buf_get(void);
36extern void cifs_small_buf_release(void *);
37extern int smb_send(struct socket *, struct smb_hdr *,
38 unsigned int /* length */ , struct sockaddr *);
39extern unsigned int _GetXid(void);
40extern void _FreeXid(unsigned int);
41#define GetXid() (int)_GetXid(); cFYI(1,("CIFS VFS: in %s as Xid: %d with uid: %d",__FUNCTION__, xid,current->fsuid));
42#define FreeXid(curr_xid) {_FreeXid(curr_xid); cFYI(1,("CIFS VFS: leaving %s (xid = %d) rc = %d",__FUNCTION__,curr_xid,(int)rc));}
7f57356b 43extern char *build_path_from_dentry(struct dentry *);
1da177e4
LT		 44extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
45extern void renew_parental_timestamps(struct dentry *direntry);
46extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *,
47 struct smb_hdr * /* input */ ,
48 struct smb_hdr * /* out */ ,
49 int * /* bytes returned */ , const int long_op);
d6e04ae6
SF		 50extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *,
51 struct smb_hdr * /* input */ , int hdr_len,
52 const char * /* SMB data to send */ , int data_len,
53 int * /* bytes returned */ , const int long_op);
1da177e4
LT		 54extern int checkSMBhdr(struct smb_hdr *smb, __u16 mid);
55extern int checkSMB(struct smb_hdr *smb, __u16 mid, int length);
56extern int is_valid_oplock_break(struct smb_hdr *smb);
57extern int is_size_safe_to_change(struct cifsInodeInfo *);
58extern unsigned int smbCalcSize(struct smb_hdr *ptr);
59extern int decode_negTokenInit(unsigned char *security_blob, int length,
60 enum securityEnum *secType);
61extern int cifs_inet_pton(int, char * source, void *dst);
62extern int map_smb_to_linux_error(struct smb_hdr *smb);
63extern void header_assemble(struct smb_hdr *, char /* command */ ,
1982c344
SF		 64 const struct cifsTconInfo *, int /* length of
65 fixed section (word count) in two byte units */);
66extern __u16 GetNextMid(struct TCP_Server_Info *server);
737b758c
SF		 67extern struct oplock_q_entry * AllocOplockQEntry(struct inode *, u16,
68 struct cifsTconInfo *);
1da177e4
LT		 69extern void DeleteOplockQEntry(struct oplock_q_entry *);
70extern struct timespec cifs_NTtimeToUnix(u64 /* utc nanoseconds since 1601 */ );
71extern u64 cifs_UnixTimeToNT(struct timespec);
72extern int cifs_get_inode_info(struct inode **pinode,
73 const unsigned char *search_path,
74 FILE_ALL_INFO * pfile_info,
75 struct super_block *sb, int xid);
76extern int cifs_get_inode_info_unix(struct inode **pinode,
77 const unsigned char *search_path,
78 struct super_block *sb,int xid);
79
80extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
81 const char *);
82extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
83void cifs_proc_init(void);
84void cifs_proc_clean(void);
85
86extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
87 struct nls_table * nls_info);
88extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
89
90extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
91 const char *tree, struct cifsTconInfo *tcon,
92 const struct nls_table *);
93
94extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
95 const char *searchName, const struct nls_table *nls_codepage,
ac67055e 96 __u16 *searchHandle, struct cifs_search_info * psrch_inf, int map, const char dirsep);
1da177e4
LT		 97
98extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
99 __u16 searchHandle, struct cifs_search_info * psrch_inf);
100
101extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
102 const __u16 search_handle);
103
104extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
105 const unsigned char *searchName,
106 FILE_ALL_INFO * findData,
737b758c 107 const struct nls_table *nls_codepage, int remap);
6b8edfe0
SF		 108extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
109 const unsigned char *searchName,
110 FILE_ALL_INFO * findData,
111 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 112
113extern int CIFSSMBUnixQPathInfo(const int xid,
114 struct cifsTconInfo *tcon,
115 const unsigned char *searchName,
116 FILE_UNIX_BASIC_INFO * pFindData,
737b758c 117 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 118
119extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
120 const unsigned char *searchName,
121 unsigned char **targetUNCs,
122 unsigned int *number_of_UNC_in_array,
737b758c 123 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 124
125extern int connect_to_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
126 const char *old_path,
737b758c 127 const struct nls_table *nls_codepage, int remap);
1da177e4 128extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
737b758c
SF		 129 const char *old_path,
130 const struct nls_table *nls_codepage,
131 unsigned int *pnum_referrals,
132 unsigned char ** preferrals,
133 int remap);
1da177e4 134extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
737b758c 135 struct kstatfs *FSData);
20962438
SF		 136extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon,
137 struct kstatfs *FSData);
45abc6ee 138extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
ac67055e
JA		 139 __u64 cap);
140
1da177e4 141extern int CIFSSMBQFSAttributeInfo(const int xid,
737b758c
SF		 142 struct cifsTconInfo *tcon);
143extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
144extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
1da177e4 145extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
737b758c 146 struct kstatfs *FSData);
1da177e4
LT		 147
148extern int CIFSSMBSetTimes(const int xid, struct cifsTconInfo *tcon,
149 const char *fileName, const FILE_BASIC_INFO * data,
737b758c
SF		 150 const struct nls_table *nls_codepage,
151 int remap_special_chars);
1da177e4
LT		 152extern int CIFSSMBSetFileTimes(const int xid, struct cifsTconInfo *tcon,
153 const FILE_BASIC_INFO * data, __u16 fid);
154#if 0
155extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
156 char *fileName, __u16 dos_attributes,
157 const struct nls_table *nls_codepage);
158#endif /* possibly unneeded function */
159extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
737b758c
SF		 160 const char *fileName, __u64 size,
161 int setAllocationSizeFlag,
162 const struct nls_table *nls_codepage,
163 int remap_special_chars);
1da177e4 164extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
737b758c
SF		 165 __u64 size, __u16 fileHandle,__u32 opener_pid,
166 int AllocSizeFlag);
1da177e4
LT		 167extern int CIFSSMBUnixSetPerms(const int xid, struct cifsTconInfo *pTcon,
168 char *full_path, __u64 mode, __u64 uid,
737b758c
SF		 169 __u64 gid, dev_t dev,
170 const struct nls_table *nls_codepage,
171 int remap_special_chars);
1da177e4
LT		 172
173extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
174 const char *newName,
737b758c
SF		 175 const struct nls_table *nls_codepage,
176 int remap_special_chars);
1da177e4 177extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
737b758c
SF		 178 const char *name, const struct nls_table *nls_codepage,
179 int remap_special_chars);
1da177e4
LT		 180
181extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
182 const char *name,
737b758c
SF		 183 const struct nls_table *nls_codepage,
184 int remap_special_chars);
1da177e4
LT		 185extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
186 const char *fromName, const char *toName,
737b758c
SF		 187 const struct nls_table *nls_codepage,
188 int remap_special_chars);
1da177e4 189extern int CIFSSMBRenameOpenFile(const int xid,struct cifsTconInfo *pTcon,
737b758c
SF		 190 int netfid, char * target_name,
191 const struct nls_table *nls_codepage,
192 int remap_special_chars);
1da177e4
LT		 193extern int CIFSCreateHardLink(const int xid,
194 struct cifsTconInfo *tcon,
195 const char *fromName, const char *toName,
737b758c
SF		 196 const struct nls_table *nls_codepage,
197 int remap_special_chars);
1da177e4
LT		 198extern int CIFSUnixCreateHardLink(const int xid,
199 struct cifsTconInfo *tcon,
200 const char *fromName, const char *toName,
737b758c
SF		 201 const struct nls_table *nls_codepage,
202 int remap_special_chars);
1da177e4
LT		 203extern int CIFSUnixCreateSymLink(const int xid,
204 struct cifsTconInfo *tcon,
205 const char *fromName, const char *toName,
206 const struct nls_table *nls_codepage);
207extern int CIFSSMBUnixQuerySymLink(const int xid,
208 struct cifsTconInfo *tcon,
209 const unsigned char *searchName,
210 char *syminfo, const int buflen,
211 const struct nls_table *nls_codepage);
212extern int CIFSSMBQueryReparseLinkInfo(const int xid,
213 struct cifsTconInfo *tcon,
214 const unsigned char *searchName,
215 char *symlinkinfo, const int buflen, __u16 fid,
216 const struct nls_table *nls_codepage);
217
218extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
219 const char *fileName, const int disposition,
220 const int access_flags, const int omode,
221 __u16 * netfid, int *pOplock, FILE_ALL_INFO *,
737b758c 222 const struct nls_table *nls_codepage, int remap);
a9d02ad4
SF		 223extern int SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon,
224 const char *fileName, const int disposition,
225 const int access_flags, const int omode,
226 __u16 * netfid, int *pOplock, FILE_ALL_INFO *,
227 const struct nls_table *nls_codepage, int remap);
1da177e4
LT		 228extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
229 const int smb_file_id);
230
231extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
232 const int netfid, unsigned int count,
233 const __u64 lseek, unsigned int *nbytes, char **buf);
234extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
235 const int netfid, const unsigned int count,
236 const __u64 lseek, unsigned int *nbytes,
237 const char *buf, const char __user *ubuf,
238 const int long_op);
239#ifdef CONFIG_CIFS_EXPERIMENTAL
240extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
241 const int netfid, const unsigned int count,
242 const __u64 offset, unsigned int *nbytes,
d6e04ae6 243 const char *buf,const int long_op);
1da177e4
LT		 244extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
245 const unsigned char *searchName, __u64 * inode_number,
737b758c
SF		 246 const struct nls_table *nls_codepage,
247 int remap_special_chars);
248#endif /* CONFIG_CIFS_EXPERIMENTAL */
b1a45695 249extern int cifs_convertUCSpath(char *target, const __le16 *source, int maxlen,
6a0b4824 250 const struct nls_table * codepage);
737b758c
SF		 251extern int cifsConvertToUCS(__le16 * target, const char *source, int maxlen,
252 const struct nls_table * cp, int mapChars);
1da177e4
LT		 253
254extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
255 const __u16 netfid, const __u64 len,
256 const __u64 offset, const __u32 numUnlock,
257 const __u32 numLock, const __u8 lockType,
258 const int waitFlag);
259
260extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
261extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
262
263extern struct cifsSesInfo *sesInfoAlloc(void);
264extern void sesInfoFree(struct cifsSesInfo *);
265extern struct cifsTconInfo *tconInfoAlloc(void);
266extern void tconInfoFree(struct cifsTconInfo *);
267
268extern int cifs_reconnect(struct TCP_Server_Info *server);
269
ad009ac9 270extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *,__u32 *);
1da177e4
LT		 271extern int cifs_verify_signature(struct smb_hdr *, const char * mac_key,
272 __u32 expected_sequence_number);
273extern int cifs_calculate_mac_key(char * key,const char * rn,const char * pass);
274extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *, struct nls_table *);
275extern void CalcNTLMv2_response(const struct cifsSesInfo *,char * );
276extern int CIFSSMBCopy(int xid,
277 struct cifsTconInfo *source_tcon,
278 const char *fromName,
279 const __u16 target_tid,
280 const char *toName, const int flags,
737b758c
SF		 281 const struct nls_table *nls_codepage,
282 int remap_special_chars);
1da177e4 283extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
737b758c 284 const int notify_subdirs,const __u16 netfid,
167a251a
SF		 285 __u32 filter, struct file * file, int multishot,
286 const struct nls_table *nls_codepage);
1da177e4
LT		 287extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
288 const unsigned char *searchName, char * EAData,
737b758c
SF		 289 size_t bufsize, const struct nls_table *nls_codepage,
290 int remap_special_chars);
1da177e4
LT		 291extern ssize_t CIFSSMBQueryEA(const int xid,struct cifsTconInfo * tcon,
292 const unsigned char * searchName,const unsigned char * ea_name,
293 unsigned char * ea_value, size_t buf_size,
737b758c 294 const struct nls_table *nls_codepage, int remap_special_chars);
1da177e4
LT		 295extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
296 const char *fileName, const char * ea_name,
297 const void * ea_value, const __u16 ea_value_len,
737b758c 298 const struct nls_table *nls_codepage, int remap_special_chars);
1da177e4
LT		 299extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
300 const unsigned char *searchName,
301 char *acl_inf, const int buflen,const int acl_type,
737b758c 302 const struct nls_table *nls_codepage, int remap_special_chars);
1da177e4
LT		 303extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
304 const unsigned char *fileName,
305 const char *local_acl, const int buflen, const int acl_type,
737b758c 306 const struct nls_table *nls_codepage, int remap_special_chars);
f654bac2
SF		 307extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
308 const int netfid, __u64 * pExtAttrBits, __u64 *pMask);
1da177e4 309#endif /* _CIFSPROTO_H */
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