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smb3: note that smb3.11 posix extensions mount option is experimental
[linux-2.6-block.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>
d683bcd3 24#include "trace.h"
1da177e4
LT		 25
26struct statfs;
8af18971 27struct smb_vol;
bf5ea0e2 28struct smb_rqst;
1da177e4
LT		 29
30/*
31 *****************************************************************
32 * All Prototypes
33 *****************************************************************
34 */
35
36extern struct smb_hdr *cifs_buf_get(void);
37extern void cifs_buf_release(void *);
38extern struct smb_hdr *cifs_small_buf_get(void);
39extern void cifs_small_buf_release(void *);
6d81ed1e 40extern void free_rsp_buf(int, void *);
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 47 unsigned int __xid = _get_xid(); \
f96637be
JP		 48 cifs_dbg(FYI, "CIFS VFS: in %s as Xid: %u with uid: %d\n", \
49 __func__, __xid, \
50 from_kuid(&init_user_ns, current_fsuid())); \
d683bcd3 51 trace_smb3_enter(__xid, __func__); \
b6b38f70
JP		 52 __xid; \
53})
54
6d5786a3 55#define free_xid(curr_xid) \
b6b38f70 56do { \
6d5786a3 57 _free_xid(curr_xid); \
f96637be 58 cifs_dbg(FYI, "CIFS VFS: leaving %s (xid = %u) rc = %d\n", \
d683bcd3
SF		 59 __func__, curr_xid, (int)rc); \
60 if (rc) \
61 trace_smb3_exit_err(curr_xid, __func__, (int)rc); \
62 else \
63 trace_smb3_exit_done(curr_xid, __func__); \
b6b38f70 64} while (0)
4d79dba0
SP		 65extern int init_cifs_idmap(void);
66extern void exit_cifs_idmap(void);
b74cb9a8
SP		 67extern int init_cifs_spnego(void);
68extern void exit_cifs_spnego(void);
7f57356b 69extern char *build_path_from_dentry(struct dentry *);
268a635d
AA		 70extern char *build_path_from_dentry_optional_prefix(struct dentry *direntry,
71 bool prefix);
6d3ea7e4
SF		 72extern char *cifs_build_path_to_root(struct smb_vol *vol,
73 struct cifs_sb_info *cifs_sb,
374402a2
SP		 74 struct cifs_tcon *tcon,
75 int add_treename);
1da177e4 76extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
c6c00919
SF		 77extern char *cifs_compose_mount_options(const char *sb_mountdata,
78 const char *fullpath, const struct dfs_info3_param *ref,
79 char **devname);
99ee4dbd 80/* extern void renew_parental_timestamps(struct dentry *direntry);*/
a6827c18
JL		 81extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer,
82 struct TCP_Server_Info *server);
766fdbb5 83extern void DeleteMidQEntry(struct mid_q_entry *midEntry);
3c1bf7e4 84extern void cifs_delete_mid(struct mid_q_entry *mid);
2dc7e1c0 85extern void cifs_wake_up_task(struct mid_q_entry *mid);
4326ed2f
PS		 86extern int cifs_handle_standard(struct TCP_Server_Info *server,
87 struct mid_q_entry *mid);
350be257 88extern int cifs_discard_remaining_data(struct TCP_Server_Info *server);
fec344e3
JL		 89extern int cifs_call_async(struct TCP_Server_Info *server,
90 struct smb_rqst *rqst,
91 mid_receive_t *receive, mid_callback_t *callback,
9b7c18a2 92 mid_handle_t *handle, void *cbdata, const int flags);
b8f57ee8
PS		 93extern int cifs_send_recv(const unsigned int xid, struct cifs_ses *ses,
94 struct smb_rqst *rqst, int *resp_buf_type,
95 const int flags, struct kvec *resp_iov);
96daf2b0 96extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *,
1da177e4
LT		 97 struct smb_hdr * /* input */ ,
98 struct smb_hdr * /* out */ ,
a891f0f8 99 int * /* bytes returned */ , const int);
96daf2b0 100extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
792af7b0 101 char *in_buf, int flags);
fec344e3
JL		 102extern struct mid_q_entry *cifs_setup_request(struct cifs_ses *,
103 struct smb_rqst *);
104extern struct mid_q_entry *cifs_setup_async_request(struct TCP_Server_Info *,
105 struct smb_rqst *);
2c8f981d
JL		 106extern int cifs_check_receive(struct mid_q_entry *mid,
107 struct TCP_Server_Info *server, bool log_error);
cb7e9eab
PS		 108extern int cifs_wait_mtu_credits(struct TCP_Server_Info *server,
109 unsigned int size, unsigned int *num,
110 unsigned int *credits);
96daf2b0 111extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
d38d8c74 112 struct kvec *, int /* nvec to send */,
da502f7d
PS		 113 int * /* type of buf returned */, const int flags,
114 struct kvec * /* resp vec */);
83b77391
RS		 115extern int smb2_send_recv(const unsigned int xid, struct cifs_ses *pses,
116 struct kvec *pkvec, int nvec_to_send,
117 int *pbuftype, const int flags,
118 struct kvec *presp);
ad7a2926 119extern int SendReceiveBlockingLock(const unsigned int xid,
96daf2b0 120 struct cifs_tcon *ptcon,
ad7a2926
SF		 121 struct smb_hdr *in_buf ,
122 struct smb_hdr *out_buf,
123 int *bytes_returned);
28ea5290 124extern int cifs_reconnect(struct TCP_Server_Info *server);
373512ec 125extern int checkSMB(char *buf, unsigned int len, struct TCP_Server_Info *srvr);
d4e4854f 126extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *);
3d3ea8e6 127extern bool backup_cred(struct cifs_sb_info *);
4b18f2a9 128extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
72432ffc
PS		 129extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
130 unsigned int bytes_written);
6508d904 131extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool);
6508d904 132extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
9ec672bd 133extern unsigned int smbCalcSize(void *buf, struct TCP_Server_Info *server);
1da177e4 134extern int decode_negTokenInit(unsigned char *security_blob, int length,
26efa0ba 135 struct TCP_Server_Info *server);
67b7626a 136extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
b979aaa1 137extern void cifs_set_port(struct sockaddr *addr, const unsigned short int port);
5ffef7bf 138extern int map_smb_to_linux_error(char *buf, bool logErr);
1da177e4 139extern void header_assemble(struct smb_hdr *, char /* command */ ,
96daf2b0 140 const struct cifs_tcon *, int /* length of
1982c344 141 fixed section (word count) in two byte units */);
5815449d 142extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
96daf2b0 143 struct cifs_ses *ses,
50c2f753 144 void **request_buf);
3f618223
JL		 145extern enum securityEnum select_sectype(struct TCP_Server_Info *server,
146 enum securityEnum requested);
58c45c58
PS		 147extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses,
148 const struct nls_table *nls_cp);
07119a4d 149extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
1da177e4 150extern u64 cifs_UnixTimeToNT(struct timespec);
c4a2c08d
JL		 151extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
152 int offset);
c6723628 153extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
c11f1df5
SP		 154extern int cifs_get_writer(struct cifsInodeInfo *cinode);
155extern void cifs_put_writer(struct cifsInodeInfo *cinode);
156extern void cifs_done_oplock_break(struct cifsInodeInfo *cinode);
d39a4f71
PS		 157extern int cifs_unlock_range(struct cifsFileInfo *cfile,
158 struct file_lock *flock, const unsigned int xid);
159extern int cifs_push_mandatory_locks(struct cifsFileInfo *cfile);
1bd5bbcb 160
fb1214e4
PS		 161extern struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid,
162 struct file *file,
163 struct tcon_link *tlink,
164 __u32 oplock);
6d5786a3
PS		 165extern int cifs_posix_open(char *full_path, struct inode **inode,
166 struct super_block *sb, int mode,
167 unsigned int f_flags, __u32 *oplock, __u16 *netfid,
168 unsigned int xid);
4065c802 169void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
cc0bad75
JL		 170extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
171 FILE_UNIX_BASIC_INFO *info,
172 struct cifs_sb_info *cifs_sb);
c052e2b4
SP		 173extern void cifs_dir_info_to_fattr(struct cifs_fattr *, FILE_DIRECTORY_INFO *,
174 struct cifs_sb_info *);
cc0bad75 175extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
cc0bad75
JL		 176extern struct inode *cifs_iget(struct super_block *sb,
177 struct cifs_fattr *fattr);
178
1208ef1f
PS		 179extern int cifs_get_inode_info(struct inode **inode, const char *full_path,
180 FILE_ALL_INFO *data, struct super_block *sb,
42eacf9e 181 int xid, const struct cifs_fid *fid);
1da177e4
LT		 182extern int cifs_get_inode_info_unix(struct inode **pinode,
183 const unsigned char *search_path,
6d5786a3 184 struct super_block *sb, unsigned int xid);
ed6875e0
PS		 185extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs,
186 unsigned int xid, char *full_path, __u32 dosattr);
187extern int cifs_rename_pending_delete(const char *full_path,
188 struct dentry *dentry,
189 const unsigned int xid);
987b21d7 190extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
0b8f18e3 191 struct cifs_fattr *fattr, struct inode *inode,
42eacf9e 192 const char *path, const struct cifs_fid *pfid);
a5ff3769 193extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64,
8abf2775 194 kuid_t, kgid_t);
fbeba8bb
SP		 195extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
196 const char *, u32 *);
42eacf9e
SF		 197extern struct cifs_ntsd *get_cifs_acl_by_fid(struct cifs_sb_info *,
198 const struct cifs_fid *, u32 *);
b73b9a4b 199extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
a5ff3769 200 const char *, int);
953f8681 201
e28bc5b1
JL		 202extern void dequeue_mid(struct mid_q_entry *mid, bool malformed);
203extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
71335664
AV		 204 unsigned int to_read);
205extern int cifs_read_page_from_socket(struct TCP_Server_Info *server,
1dbe3466
LL		 206 struct page *page,
207 unsigned int page_offset,
208 unsigned int to_read);
4214ebf4 209extern int cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
724d9f1c
PS		 210 struct cifs_sb_info *cifs_sb);
211extern int cifs_match_super(struct super_block *, void *);
f9e59bcb 212extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
04db79b0 213extern struct smb_vol *cifs_get_volume_info(char *mount_data,
c7c137b9 214 const char *devname, bool is_smb3);
2c6292ae 215extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *);
2a9b9951 216extern void cifs_umount(struct cifs_sb_info *);
aa24d1e9 217extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon);
52ace1ef
SF		 218extern void cifs_reopen_persistent_handles(struct cifs_tcon *tcon);
219
579f9053
PS		 220extern bool cifs_find_lock_conflict(struct cifsFileInfo *cfile, __u64 offset,
221 __u64 length, __u8 type,
222 struct cifsLockInfo **conf_lock,
081c0414 223 int rw_check);
233839b1
PS		 224extern void cifs_add_pending_open(struct cifs_fid *fid,
225 struct tcon_link *tlink,
226 struct cifs_pending_open *open);
227extern void cifs_add_pending_open_locked(struct cifs_fid *fid,
228 struct tcon_link *tlink,
229 struct cifs_pending_open *open);
230extern void cifs_del_pending_open(struct cifs_pending_open *open);
53e0e11e
PS		 231extern void cifs_put_tcp_session(struct TCP_Server_Info *server,
232 int from_reconnect);
233extern void cifs_put_tcon(struct cifs_tcon *tcon);
815465c4
JL		 234
235#if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
78d31a3a 236extern void cifs_dfs_release_automount_timer(void);
815465c4
JL		 237#else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
238#define cifs_dfs_release_automount_timer() do { } while (0)
239#endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
240
1da177e4
LT		 241void cifs_proc_init(void);
242void cifs_proc_clean(void);
243
f7ba7fe6
PS		 244extern void cifs_move_llist(struct list_head *source, struct list_head *dest);
245extern void cifs_free_llist(struct list_head *llist);
246extern void cifs_del_lock_waiters(struct cifsLockInfo *lock);
247
286170aa
PS		 248extern int cifs_negotiate_protocol(const unsigned int xid,
249 struct cifs_ses *ses);
58c45c58
PS		 250extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
251 struct nls_table *nls_info);
38d77c50 252extern int cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required);
286170aa 253extern int CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses);
1da177e4 254
2e6e02ab
PS		 255extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
256 const char *tree, struct cifs_tcon *tcon,
257 const struct nls_table *);
1da177e4 258
6d5786a3 259extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon,
c052e2b4 260 const char *searchName, struct cifs_sb_info *cifs_sb,
2608bee7
SP		 261 __u16 *searchHandle, __u16 search_flags,
262 struct cifs_search_info *psrch_inf,
c052e2b4 263 bool msearch);
1da177e4 264
6d5786a3 265extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon,
2608bee7
SP		 266 __u16 searchHandle, __u16 search_flags,
267 struct cifs_search_info *psrch_inf);
1da177e4 268
6d5786a3 269extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4
LT		 270 const __u16 search_handle);
271
6d5786a3 272extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
bcd5357f 273 u16 netfid, FILE_ALL_INFO *pFindData);
6d5786a3 274extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
68889f26
PS		 275 const char *search_Name, FILE_ALL_INFO *data,
276 int legacy /* whether to use old info level */,
277 const struct nls_table *nls_codepage, int remap);
6d5786a3 278extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon,
68889f26
PS		 279 const char *search_name, FILE_ALL_INFO *data,
280 const struct nls_table *nls_codepage, int remap);
1da177e4 281
6d5786a3 282extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
c8634fd3 283 u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
6d5786a3 284extern int CIFSSMBUnixQPathInfo(const unsigned int xid,
96daf2b0 285 struct cifs_tcon *tcon,
1da177e4 286 const unsigned char *searchName,
582d21e5 287 FILE_UNIX_BASIC_INFO *pFindData,
737b758c 288 const struct nls_table *nls_codepage, int remap);
1da177e4 289
6d5786a3 290extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
b669f33c
PS		 291 const char *search_name,
292 struct dfs_info3_param **target_nodes,
293 unsigned int *num_of_nodes,
294 const struct nls_table *nls_codepage, int remap);
1da177e4 295
b669f33c 296extern int get_dfs_path(const unsigned int xid, struct cifs_ses *ses,
d38d8c74 297 const char *old_path,
737b758c 298 const struct nls_table *nls_codepage,
b669f33c
PS		 299 unsigned int *num_referrals,
300 struct dfs_info3_param **referrals, int remap);
4ecce920
AA		 301extern int parse_dfs_referrals(struct get_dfs_referral_rsp *rsp, u32 rsp_size,
302 unsigned int *num_of_nodes,
303 struct dfs_info3_param **target_nodes,
304 const struct nls_table *nls_codepage, int remap,
305 const char *searchName, bool is_unicode);
6d5786a3 306extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,
2c6292ae
AV		 307 struct cifs_sb_info *cifs_sb,
308 struct smb_vol *vol);
6d5786a3 309extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
737b758c 310 struct kstatfs *FSData);
6d5786a3 311extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
20962438 312 struct kstatfs *FSData);
6d5786a3 313extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon,
ac67055e
JA		 314 __u64 cap);
315
6d5786a3 316extern int CIFSSMBQFSAttributeInfo(const unsigned int xid,
96daf2b0 317 struct cifs_tcon *tcon);
6d5786a3
PS		 318extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon);
319extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon);
320extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon,
737b758c 321 struct kstatfs *FSData);
1da177e4 322
6d5786a3 323extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
ad7a2926 324 const char *fileName, const FILE_BASIC_INFO *data,
737b758c
SF		 325 const struct nls_table *nls_codepage,
326 int remap_special_chars);
6d5786a3 327extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
2dd2dfa0
JL		 328 const FILE_BASIC_INFO *data, __u16 fid,
329 __u32 pid_of_opener);
6d5786a3
PS		 330extern int CIFSSMBSetFileDisposition(const unsigned int xid,
331 struct cifs_tcon *tcon,
332 bool delete_file, __u16 fid,
333 __u32 pid_of_opener);
1da177e4 334#if 0
6d5786a3 335extern int CIFSSMBSetAttrLegacy(unsigned int xid, struct cifs_tcon *tcon,
1da177e4
LT		 336 char *fileName, __u16 dos_attributes,
337 const struct nls_table *nls_codepage);
338#endif /* possibly unneeded function */
6d5786a3 339extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon,
d1433418
PS		 340 const char *file_name, __u64 size,
341 struct cifs_sb_info *cifs_sb, bool set_allocation);
6d5786a3 342extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon,
d1433418
PS		 343 struct cifsFileInfo *cfile, __u64 size,
344 bool set_allocation);
4e1e7fb9
JL		 345
346struct cifs_unix_set_info_args {
347 __u64 ctime;
348 __u64 atime;
349 __u64 mtime;
350 __u64 mode;
49418b2c
EB		 351 kuid_t uid;
352 kgid_t gid;
4e1e7fb9
JL		 353 dev_t device;
354};
355
6d5786a3
PS		 356extern int CIFSSMBUnixSetFileInfo(const unsigned int xid,
357 struct cifs_tcon *tcon,
3bbeeb3c
JL		 358 const struct cifs_unix_set_info_args *args,
359 u16 fid, u32 pid_of_opener);
360
6d5786a3 361extern int CIFSSMBUnixSetPathInfo(const unsigned int xid,
ff691e96 362 struct cifs_tcon *tcon, const char *file_name,
6d5786a3
PS		 363 const struct cifs_unix_set_info_args *args,
364 const struct nls_table *nls_codepage,
ff691e96 365 int remap);
1da177e4 366
6d5786a3 367extern int CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon,
f436720e 368 const char *name, struct cifs_sb_info *cifs_sb);
6d5786a3 369extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon,
f958ca5d 370 const char *name, struct cifs_sb_info *cifs_sb);
6d5786a3 371extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon,
2d785a50
SF		 372 const char *name, __u16 type,
373 const struct nls_table *nls_codepage,
374 int remap_special_chars);
6d5786a3 375extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon,
ed6875e0 376 const char *name, struct cifs_sb_info *cifs_sb);
6d5786a3 377extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
8ceb9843
PS		 378 const char *from_name, const char *to_name,
379 struct cifs_sb_info *cifs_sb);
6d5786a3
PS		 380extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon,
381 int netfid, const char *target_name,
382 const struct nls_table *nls_codepage,
383 int remap_special_chars);
d6e906f1
SF		 384extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon,
385 const char *from_name, const char *to_name,
386 struct cifs_sb_info *cifs_sb);
6d5786a3 387extern int CIFSUnixCreateHardLink(const unsigned int xid,
96daf2b0 388 struct cifs_tcon *tcon,
1da177e4 389 const char *fromName, const char *toName,
d38d8c74 390 const struct nls_table *nls_codepage,
737b758c 391 int remap_special_chars);
6d5786a3 392extern int CIFSUnixCreateSymLink(const unsigned int xid,
96daf2b0 393 struct cifs_tcon *tcon,
1da177e4 394 const char *fromName, const char *toName,
bc8ebdc4 395 const struct nls_table *nls_codepage, int remap);
6d5786a3 396extern int CIFSSMBUnixQuerySymLink(const unsigned int xid,
96daf2b0 397 struct cifs_tcon *tcon,
460b9696 398 const unsigned char *searchName, char **syminfo,
bc8ebdc4 399 const struct nls_table *nls_codepage, int remap);
d244bf2d
PS		 400extern int CIFSSMBQuerySymLink(const unsigned int xid, struct cifs_tcon *tcon,
401 __u16 fid, char **symlinkinfo,
402 const struct nls_table *nls_codepage);
c7f508a9
SF		 403extern int CIFSSMB_set_compression(const unsigned int xid,
404 struct cifs_tcon *tcon, __u16 fid);
d81b8a40
PS		 405extern int CIFS_open(const unsigned int xid, struct cifs_open_parms *oparms,
406 int *oplock, FILE_ALL_INFO *buf);
6d5786a3 407extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon,
a9d02ad4
SF		 408 const char *fileName, const int disposition,
409 const int access_flags, const int omode,
8840dee9 410 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
a9d02ad4 411 const struct nls_table *nls_codepage, int remap);
6d5786a3 412extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon,
8840dee9 413 u32 posix_flags, __u64 mode, __u16 *netfid,
2dd29d31
SF		 414 FILE_UNIX_BASIC_INFO *pRetData,
415 __u32 *pOplock, const char *name,
d38d8c74 416 const struct nls_table *nls_codepage, int remap);
6d5786a3 417extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4
LT		 418 const int smb_file_id);
419
6d5786a3 420extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon,
b298f223
SF		 421 const int smb_file_id);
422
6d5786a3 423extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms,
d4ffff1f 424 unsigned int *nbytes, char **buf,
d38d8c74 425 int *return_buf_type);
6d5786a3 426extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms,
dbbab325 427 unsigned int *nbytes, const char *buf);
6d5786a3 428extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms,
ba9ad725 429 unsigned int *nbytes, struct kvec *iov, const int nvec);
6d5786a3 430extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon,
1208ef1f
PS		 431 const char *search_name, __u64 *inode_number,
432 const struct nls_table *nls_codepage,
433 int remap);
1da177e4 434
6d5786a3
PS		 435extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon,
436 const __u16 netfid, const __u8 lock_type,
437 const __u32 num_unlock, const __u32 num_lock,
438 LOCKING_ANDX_RANGE *buf);
439extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon,
03776f45 440 const __u16 netfid, const __u32 netpid, const __u64 len,
1da177e4
LT		 441 const __u64 offset, const __u32 numUnlock,
442 const __u32 numLock, const __u8 lockType,
12fed00d 443 const bool waitFlag, const __u8 oplock_level);
6d5786a3 444extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon,
4f6bcec9 445 const __u16 smb_file_id, const __u32 netpid,
c5fd363d
JL		 446 const loff_t start_offset, const __u64 len,
447 struct file_lock *, const __u16 lock_type,
448 const bool waitFlag);
2e6e02ab 449extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon);
766fdbb5 450extern int CIFSSMBEcho(struct TCP_Server_Info *server);
58c45c58 451extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses);
1da177e4 452
96daf2b0
SF		 453extern struct cifs_ses *sesInfoAlloc(void);
454extern void sesInfoFree(struct cifs_ses *);
455extern struct cifs_tcon *tconInfoAlloc(void);
456extern void tconInfoFree(struct cifs_tcon *);
1da177e4 457
bf5ea0e2
JL		 458extern int cifs_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server,
459 __u32 *pexpected_response_sequence_number);
762a4206 460extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
84afc29b 461 __u32 *);
bf5ea0e2
JL		 462extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
463extern int cifs_verify_signature(struct smb_rqst *rqst,
21e73393 464 struct TCP_Server_Info *server,
b609f06a 465 __u32 expected_sequence_number);
9ef5992e
SP		 466extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *,
467 const struct nls_table *);
468extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *);
96daf2b0 469extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *);
026e93dc 470extern void cifs_crypto_secmech_release(struct TCP_Server_Info *server);
96daf2b0 471extern int calc_seckey(struct cifs_ses *);
373512ec
SF		 472extern int generate_smb30signingkey(struct cifs_ses *);
473extern int generate_smb311signingkey(struct cifs_ses *);
d2b91521 474
7c7b25bc 475#ifdef CONFIG_CIFS_WEAK_PW_HASH
43988d76 476extern int calc_lanman_hash(const char *password, const char *cryptkey,
4e53a3fb 477 bool encrypt, char *lnm_session_key);
7c7b25bc 478#endif /* CIFS_WEAK_PW_HASH */
0eff0e26 479#ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */
6d5786a3 480extern int CIFSSMBNotify(const unsigned int xid, struct cifs_tcon *tcon,
0eff0e26
SF		 481 const int notify_subdirs, const __u16 netfid,
482 __u32 filter, struct file *file, int multishot,
483 const struct nls_table *nls_codepage);
484#endif /* was needed for dnotify, and will be needed for inotify when VFS fix */
6d5786a3 485extern int CIFSSMBCopy(unsigned int xid,
96daf2b0 486 struct cifs_tcon *source_tcon,
1da177e4
LT		 487 const char *fromName,
488 const __u16 target_tid,
489 const char *toName, const int flags,
50c2f753 490 const struct nls_table *nls_codepage,
737b758c 491 int remap_special_chars);
6d5786a3 492extern ssize_t CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon,
31c0519f
JL		 493 const unsigned char *searchName,
494 const unsigned char *ea_name, char *EAData,
67b4c889 495 size_t bufsize, struct cifs_sb_info *cifs_sb);
6d5786a3 496extern int CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon,
d38d8c74
SF		 497 const char *fileName, const char *ea_name,
498 const void *ea_value, const __u16 ea_value_len,
5517554e
RS		 499 const struct nls_table *nls_codepage,
500 struct cifs_sb_info *cifs_sb);
6d5786a3 501extern int CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon,
630f3f0c 502 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
6d5786a3 503extern int CIFSSMBSetCIFSACL(const unsigned int, struct cifs_tcon *, __u16,
a5ff3769 504 struct cifs_ntsd *, __u32, int);
6d5786a3 505extern int CIFSSMBGetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4 506 const unsigned char *searchName,
d38d8c74 507 char *acl_inf, const int buflen, const int acl_type,
737b758c 508 const struct nls_table *nls_codepage, int remap_special_chars);
6d5786a3 509extern int CIFSSMBSetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4
LT		 510 const unsigned char *fileName,
511 const char *local_acl, const int buflen, const int acl_type,
737b758c 512 const struct nls_table *nls_codepage, int remap_special_chars);
6d5786a3 513extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon,
8840dee9 514 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
ec06aedd 515extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
cb084b1a
SP		 516extern bool couldbe_mf_symlink(const struct cifs_fattr *fattr);
517extern int check_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
750b8de6
SP		 518 struct cifs_sb_info *cifs_sb,
519 struct cifs_fattr *fattr,
520 const unsigned char *path);
ee2c9258 521extern int mdfour(unsigned char *, unsigned char *, int);
9ef5992e
SP		 522extern int E_md4hash(const unsigned char *passwd, unsigned char *p16,
523 const struct nls_table *codepage);
43988d76 524extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
ee2c9258 525 unsigned char *p24);
c28c89fc 526
6993f74a 527void cifs_readdata_release(struct kref *refcount);
e28bc5b1 528int cifs_async_readv(struct cifs_readdata *rdata);
09a4707e 529int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid);
e28bc5b1 530
4a5c80d7
SF		 531int cifs_async_writev(struct cifs_writedata *wdata,
532 void (*release)(struct kref *kref));
c2e87640
JL		 533void cifs_writev_complete(struct work_struct *work);
534struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages,
535 work_func_t complete);
8e7360f6
LL		 536struct cifs_writedata *cifs_writedata_direct_alloc(struct page **pages,
537 work_func_t complete);
c28c89fc 538void cifs_writedata_release(struct kref *refcount);
b5be1a1c
SP		 539int cifs_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
540 struct cifs_sb_info *cifs_sb,
541 const unsigned char *path, char *pbuf,
542 unsigned int *pbytes_read);
cbb0aba6
SP		 543int cifs_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
544 struct cifs_sb_info *cifs_sb,
545 const unsigned char *path, char *pbuf,
546 unsigned int *pbytes_written);
57f933ce 547int __cifs_calc_signature(struct smb_rqst *rqst, int start,
16c568ef
AV		 548 struct TCP_Server_Info *server, char *signature,
549 struct shash_desc *shash);
ef65aaed
SP		 550enum securityEnum cifs_select_sectype(struct TCP_Server_Info *,
551 enum securityEnum);
ccf7f408
PS		 552struct cifs_aio_ctx *cifs_aio_ctx_alloc(void);
553void cifs_aio_ctx_release(struct kref *refcount);
554int setup_aio_ctx_iter(struct cifs_aio_ctx *ctx, struct iov_iter *iter, int rw);
82fb82be
AA		 555
556int cifs_alloc_hash(const char *name, struct crypto_shash **shash,
557 struct sdesc **sdesc);
558void cifs_free_hash(struct crypto_shash **shash, struct sdesc **sdesc);
559
7b7f2bdf
LL		 560extern void rqst_page_get_length(struct smb_rqst *rqst, unsigned int page,
561 unsigned int *len, unsigned int *offset);
562
1da177e4 563#endif /* _CIFSPROTO_H */
Linux 6.x block layer and io_uring tree(s)