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usb: gadget: udc: reduce indentation
[linux-2.6-block.git] / fs / cifs / cifsproto.h
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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"
1c780228
PA		 25#ifdef CONFIG_CIFS_DFS_UPCALL
26#include "dfs_cache.h"
27#endif
1da177e4
LT		 28
29struct statfs;
8af18971 30struct smb_vol;
bf5ea0e2 31struct smb_rqst;
1da177e4
LT		 32
33/*
34 *****************************************************************
35 * All Prototypes
36 *****************************************************************
37 */
38
39extern struct smb_hdr *cifs_buf_get(void);
40extern void cifs_buf_release(void *);
41extern struct smb_hdr *cifs_small_buf_get(void);
42extern void cifs_small_buf_release(void *);
6d81ed1e 43extern void free_rsp_buf(int, void *);
0496e02d
JL		 44extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *,
45 unsigned int /* length */);
6d5786a3
PS		 46extern unsigned int _get_xid(void);
47extern void _free_xid(unsigned int);
48#define get_xid() \
b6b38f70 49({ \
6d5786a3 50 unsigned int __xid = _get_xid(); \
f96637be
JP		 51 cifs_dbg(FYI, "CIFS VFS: in %s as Xid: %u with uid: %d\n", \
52 __func__, __xid, \
53 from_kuid(&init_user_ns, current_fsuid())); \
d683bcd3 54 trace_smb3_enter(__xid, __func__); \
b6b38f70
JP		 55 __xid; \
56})
57
6d5786a3 58#define free_xid(curr_xid) \
b6b38f70 59do { \
6d5786a3 60 _free_xid(curr_xid); \
f96637be 61 cifs_dbg(FYI, "CIFS VFS: leaving %s (xid = %u) rc = %d\n", \
d683bcd3
SF		 62 __func__, curr_xid, (int)rc); \
63 if (rc) \
64 trace_smb3_exit_err(curr_xid, __func__, (int)rc); \
65 else \
66 trace_smb3_exit_done(curr_xid, __func__); \
b6b38f70 67} while (0)
4d79dba0
SP		 68extern int init_cifs_idmap(void);
69extern void exit_cifs_idmap(void);
b74cb9a8
SP		 70extern int init_cifs_spnego(void);
71extern void exit_cifs_spnego(void);
7f57356b 72extern char *build_path_from_dentry(struct dentry *);
268a635d
AA		 73extern char *build_path_from_dentry_optional_prefix(struct dentry *direntry,
74 bool prefix);
6d3ea7e4
SF		 75extern char *cifs_build_path_to_root(struct smb_vol *vol,
76 struct cifs_sb_info *cifs_sb,
374402a2
SP		 77 struct cifs_tcon *tcon,
78 int add_treename);
1da177e4 79extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
c6c00919
SF		 80extern char *cifs_compose_mount_options(const char *sb_mountdata,
81 const char *fullpath, const struct dfs_info3_param *ref,
82 char **devname);
99ee4dbd 83/* extern void renew_parental_timestamps(struct dentry *direntry);*/
a6827c18
JL		 84extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer,
85 struct TCP_Server_Info *server);
766fdbb5 86extern void DeleteMidQEntry(struct mid_q_entry *midEntry);
3c1bf7e4 87extern void cifs_delete_mid(struct mid_q_entry *mid);
696e420b 88extern void cifs_mid_q_entry_release(struct mid_q_entry *midEntry);
2dc7e1c0 89extern void cifs_wake_up_task(struct mid_q_entry *mid);
4326ed2f
PS		 90extern int cifs_handle_standard(struct TCP_Server_Info *server,
91 struct mid_q_entry *mid);
350be257 92extern int cifs_discard_remaining_data(struct TCP_Server_Info *server);
fec344e3
JL		 93extern int cifs_call_async(struct TCP_Server_Info *server,
94 struct smb_rqst *rqst,
95 mid_receive_t *receive, mid_callback_t *callback,
9b7c18a2 96 mid_handle_t *handle, void *cbdata, const int flags);
b8f57ee8
PS		 97extern int cifs_send_recv(const unsigned int xid, struct cifs_ses *ses,
98 struct smb_rqst *rqst, int *resp_buf_type,
99 const int flags, struct kvec *resp_iov);
e0bba0b8
RS		 100extern int compound_send_recv(const unsigned int xid, struct cifs_ses *ses,
101 const int flags, const int num_rqst,
102 struct smb_rqst *rqst, int *resp_buf_type,
103 struct kvec *resp_iov);
96daf2b0 104extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *,
1da177e4
LT		 105 struct smb_hdr * /* input */ ,
106 struct smb_hdr * /* out */ ,
a891f0f8 107 int * /* bytes returned */ , const int);
96daf2b0 108extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
792af7b0 109 char *in_buf, int flags);
fec344e3
JL		 110extern struct mid_q_entry *cifs_setup_request(struct cifs_ses *,
111 struct smb_rqst *);
112extern struct mid_q_entry *cifs_setup_async_request(struct TCP_Server_Info *,
113 struct smb_rqst *);
2c8f981d
JL		 114extern int cifs_check_receive(struct mid_q_entry *mid,
115 struct TCP_Server_Info *server, bool log_error);
cb7e9eab
PS		 116extern int cifs_wait_mtu_credits(struct TCP_Server_Info *server,
117 unsigned int size, unsigned int *num,
118 unsigned int *credits);
96daf2b0 119extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
d38d8c74 120 struct kvec *, int /* nvec to send */,
da502f7d
PS		 121 int * /* type of buf returned */, const int flags,
122 struct kvec * /* resp vec */);
ad7a2926 123extern int SendReceiveBlockingLock(const unsigned int xid,
96daf2b0 124 struct cifs_tcon *ptcon,
ad7a2926
SF		 125 struct smb_hdr *in_buf ,
126 struct smb_hdr *out_buf,
127 int *bytes_returned);
28ea5290 128extern int cifs_reconnect(struct TCP_Server_Info *server);
373512ec 129extern int checkSMB(char *buf, unsigned int len, struct TCP_Server_Info *srvr);
d4e4854f 130extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *);
3d3ea8e6 131extern bool backup_cred(struct cifs_sb_info *);
4b18f2a9 132extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
72432ffc
PS		 133extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
134 unsigned int bytes_written);
6508d904 135extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool);
6508d904 136extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
9ec672bd 137extern unsigned int smbCalcSize(void *buf, struct TCP_Server_Info *server);
1da177e4 138extern int decode_negTokenInit(unsigned char *security_blob, int length,
26efa0ba 139 struct TCP_Server_Info *server);
67b7626a 140extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len);
b979aaa1 141extern void cifs_set_port(struct sockaddr *addr, const unsigned short int port);
5ffef7bf 142extern int map_smb_to_linux_error(char *buf, bool logErr);
1da177e4 143extern void header_assemble(struct smb_hdr *, char /* command */ ,
96daf2b0 144 const struct cifs_tcon *, int /* length of
1982c344 145 fixed section (word count) in two byte units */);
5815449d 146extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
96daf2b0 147 struct cifs_ses *ses,
50c2f753 148 void **request_buf);
3f618223
JL		 149extern enum securityEnum select_sectype(struct TCP_Server_Info *server,
150 enum securityEnum requested);
58c45c58
PS		 151extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses,
152 const struct nls_table *nls_cp);
95390201
AB		 153extern struct timespec64 cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
154extern u64 cifs_UnixTimeToNT(struct timespec64);
155extern struct timespec64 cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
c4a2c08d 156 int offset);
c6723628 157extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
c11f1df5
SP		 158extern int cifs_get_writer(struct cifsInodeInfo *cinode);
159extern void cifs_put_writer(struct cifsInodeInfo *cinode);
160extern void cifs_done_oplock_break(struct cifsInodeInfo *cinode);
d39a4f71
PS		 161extern int cifs_unlock_range(struct cifsFileInfo *cfile,
162 struct file_lock *flock, const unsigned int xid);
163extern int cifs_push_mandatory_locks(struct cifsFileInfo *cfile);
1bd5bbcb 164
fb1214e4
PS		 165extern struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid,
166 struct file *file,
167 struct tcon_link *tlink,
168 __u32 oplock);
6d5786a3
PS		 169extern int cifs_posix_open(char *full_path, struct inode **inode,
170 struct super_block *sb, int mode,
171 unsigned int f_flags, __u32 *oplock, __u16 *netfid,
172 unsigned int xid);
4065c802 173void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr);
cc0bad75
JL		 174extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr,
175 FILE_UNIX_BASIC_INFO *info,
176 struct cifs_sb_info *cifs_sb);
c052e2b4
SP		 177extern void cifs_dir_info_to_fattr(struct cifs_fattr *, FILE_DIRECTORY_INFO *,
178 struct cifs_sb_info *);
cc0bad75 179extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
cc0bad75
JL		 180extern struct inode *cifs_iget(struct super_block *sb,
181 struct cifs_fattr *fattr);
182
1208ef1f
PS		 183extern int cifs_get_inode_info(struct inode **inode, const char *full_path,
184 FILE_ALL_INFO *data, struct super_block *sb,
42eacf9e 185 int xid, const struct cifs_fid *fid);
1da177e4
LT		 186extern int cifs_get_inode_info_unix(struct inode **pinode,
187 const unsigned char *search_path,
6d5786a3 188 struct super_block *sb, unsigned int xid);
ed6875e0
PS		 189extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs,
190 unsigned int xid, char *full_path, __u32 dosattr);
191extern int cifs_rename_pending_delete(const char *full_path,
192 struct dentry *dentry,
193 const unsigned int xid);
987b21d7 194extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
0b8f18e3 195 struct cifs_fattr *fattr, struct inode *inode,
42eacf9e 196 const char *path, const struct cifs_fid *pfid);
a5ff3769 197extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64,
8abf2775 198 kuid_t, kgid_t);
fbeba8bb
SP		 199extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *,
200 const char *, u32 *);
42eacf9e
SF		 201extern struct cifs_ntsd *get_cifs_acl_by_fid(struct cifs_sb_info *,
202 const struct cifs_fid *, u32 *);
b73b9a4b 203extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
a5ff3769 204 const char *, int);
953f8681 205
e28bc5b1
JL		 206extern void dequeue_mid(struct mid_q_entry *mid, bool malformed);
207extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf,
71335664
AV		 208 unsigned int to_read);
209extern int cifs_read_page_from_socket(struct TCP_Server_Info *server,
1dbe3466
LL		 210 struct page *page,
211 unsigned int page_offset,
212 unsigned int to_read);
4214ebf4 213extern int cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
724d9f1c
PS		 214 struct cifs_sb_info *cifs_sb);
215extern int cifs_match_super(struct super_block *, void *);
f9e59bcb 216extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
04db79b0 217extern struct smb_vol *cifs_get_volume_info(char *mount_data,
c7c137b9 218 const char *devname, bool is_smb3);
56c762eb 219extern int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *vol);
2a9b9951 220extern void cifs_umount(struct cifs_sb_info *);
aa24d1e9 221extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon);
52ace1ef
SF		 222extern void cifs_reopen_persistent_handles(struct cifs_tcon *tcon);
223
579f9053 224extern bool cifs_find_lock_conflict(struct cifsFileInfo *cfile, __u64 offset,
9645759c 225 __u64 length, __u8 type, __u16 flags,
579f9053 226 struct cifsLockInfo **conf_lock,
081c0414 227 int rw_check);
233839b1
PS		 228extern void cifs_add_pending_open(struct cifs_fid *fid,
229 struct tcon_link *tlink,
230 struct cifs_pending_open *open);
231extern void cifs_add_pending_open_locked(struct cifs_fid *fid,
232 struct tcon_link *tlink,
233 struct cifs_pending_open *open);
234extern void cifs_del_pending_open(struct cifs_pending_open *open);
53e0e11e
PS		 235extern void cifs_put_tcp_session(struct TCP_Server_Info *server,
236 int from_reconnect);
237extern void cifs_put_tcon(struct cifs_tcon *tcon);
815465c4
JL		 238
239#if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
78d31a3a 240extern void cifs_dfs_release_automount_timer(void);
815465c4
JL		 241#else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
242#define cifs_dfs_release_automount_timer() do { } while (0)
243#endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */
244
1da177e4
LT		 245void cifs_proc_init(void);
246void cifs_proc_clean(void);
247
f7ba7fe6
PS		 248extern void cifs_move_llist(struct list_head *source, struct list_head *dest);
249extern void cifs_free_llist(struct list_head *llist);
250extern void cifs_del_lock_waiters(struct cifsLockInfo *lock);
251
286170aa
PS		 252extern int cifs_negotiate_protocol(const unsigned int xid,
253 struct cifs_ses *ses);
58c45c58
PS		 254extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses,
255 struct nls_table *nls_info);
38d77c50 256extern int cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required);
286170aa 257extern int CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses);
1da177e4 258
2e6e02ab
PS		 259extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses,
260 const char *tree, struct cifs_tcon *tcon,
261 const struct nls_table *);
1da177e4 262
6d5786a3 263extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon,
c052e2b4 264 const char *searchName, struct cifs_sb_info *cifs_sb,
2608bee7
SP		 265 __u16 *searchHandle, __u16 search_flags,
266 struct cifs_search_info *psrch_inf,
c052e2b4 267 bool msearch);
1da177e4 268
6d5786a3 269extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon,
2608bee7
SP		 270 __u16 searchHandle, __u16 search_flags,
271 struct cifs_search_info *psrch_inf);
1da177e4 272
6d5786a3 273extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4
LT		 274 const __u16 search_handle);
275
6d5786a3 276extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
bcd5357f 277 u16 netfid, FILE_ALL_INFO *pFindData);
6d5786a3 278extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
68889f26
PS		 279 const char *search_Name, FILE_ALL_INFO *data,
280 int legacy /* whether to use old info level */,
281 const struct nls_table *nls_codepage, int remap);
6d5786a3 282extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon,
68889f26
PS		 283 const char *search_name, FILE_ALL_INFO *data,
284 const struct nls_table *nls_codepage, int remap);
1da177e4 285
6d5786a3 286extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
c8634fd3 287 u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
6d5786a3 288extern int CIFSSMBUnixQPathInfo(const unsigned int xid,
96daf2b0 289 struct cifs_tcon *tcon,
1da177e4 290 const unsigned char *searchName,
582d21e5 291 FILE_UNIX_BASIC_INFO *pFindData,
737b758c 292 const struct nls_table *nls_codepage, int remap);
1da177e4 293
6d5786a3 294extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses,
b669f33c
PS		 295 const char *search_name,
296 struct dfs_info3_param **target_nodes,
297 unsigned int *num_of_nodes,
298 const struct nls_table *nls_codepage, int remap);
1da177e4 299
4ecce920
AA		 300extern int parse_dfs_referrals(struct get_dfs_referral_rsp *rsp, u32 rsp_size,
301 unsigned int *num_of_nodes,
302 struct dfs_info3_param **target_nodes,
303 const struct nls_table *nls_codepage, int remap,
304 const char *searchName, bool is_unicode);
6d5786a3 305extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,
2c6292ae
AV		 306 struct cifs_sb_info *cifs_sb,
307 struct smb_vol *vol);
6d5786a3 308extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
737b758c 309 struct kstatfs *FSData);
6d5786a3 310extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon,
20962438 311 struct kstatfs *FSData);
6d5786a3 312extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon,
ac67055e
JA		 313 __u64 cap);
314
6d5786a3 315extern int CIFSSMBQFSAttributeInfo(const unsigned int xid,
96daf2b0 316 struct cifs_tcon *tcon);
6d5786a3
PS		 317extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon);
318extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon);
319extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon,
737b758c 320 struct kstatfs *FSData);
1da177e4 321
6d5786a3 322extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
ad7a2926 323 const char *fileName, const FILE_BASIC_INFO *data,
737b758c
SF		 324 const struct nls_table *nls_codepage,
325 int remap_special_chars);
6d5786a3 326extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
2dd2dfa0
JL		 327 const FILE_BASIC_INFO *data, __u16 fid,
328 __u32 pid_of_opener);
6d5786a3
PS		 329extern int CIFSSMBSetFileDisposition(const unsigned int xid,
330 struct cifs_tcon *tcon,
331 bool delete_file, __u16 fid,
332 __u32 pid_of_opener);
1da177e4 333#if 0
6d5786a3 334extern int CIFSSMBSetAttrLegacy(unsigned int xid, struct cifs_tcon *tcon,
1da177e4
LT		 335 char *fileName, __u16 dos_attributes,
336 const struct nls_table *nls_codepage);
337#endif /* possibly unneeded function */
6d5786a3 338extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon,
d1433418
PS		 339 const char *file_name, __u64 size,
340 struct cifs_sb_info *cifs_sb, bool set_allocation);
6d5786a3 341extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon,
d1433418
PS		 342 struct cifsFileInfo *cfile, __u64 size,
343 bool set_allocation);
4e1e7fb9
JL		 344
345struct cifs_unix_set_info_args {
346 __u64 ctime;
347 __u64 atime;
348 __u64 mtime;
349 __u64 mode;
49418b2c
EB		 350 kuid_t uid;
351 kgid_t gid;
4e1e7fb9
JL		 352 dev_t device;
353};
354
6d5786a3
PS		 355extern int CIFSSMBUnixSetFileInfo(const unsigned int xid,
356 struct cifs_tcon *tcon,
3bbeeb3c
JL		 357 const struct cifs_unix_set_info_args *args,
358 u16 fid, u32 pid_of_opener);
359
6d5786a3 360extern int CIFSSMBUnixSetPathInfo(const unsigned int xid,
ff691e96 361 struct cifs_tcon *tcon, const char *file_name,
6d5786a3
PS		 362 const struct cifs_unix_set_info_args *args,
363 const struct nls_table *nls_codepage,
ff691e96 364 int remap);
1da177e4 365
6d5786a3 366extern int CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon,
f436720e 367 const char *name, struct cifs_sb_info *cifs_sb);
6d5786a3 368extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon,
f958ca5d 369 const char *name, struct cifs_sb_info *cifs_sb);
6d5786a3 370extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon,
2d785a50
SF		 371 const char *name, __u16 type,
372 const struct nls_table *nls_codepage,
373 int remap_special_chars);
6d5786a3 374extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon,
ed6875e0 375 const char *name, struct cifs_sb_info *cifs_sb);
6d5786a3 376extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
8ceb9843
PS		 377 const char *from_name, const char *to_name,
378 struct cifs_sb_info *cifs_sb);
6d5786a3
PS		 379extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon,
380 int netfid, const char *target_name,
381 const struct nls_table *nls_codepage,
382 int remap_special_chars);
d6e906f1
SF		 383extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon,
384 const char *from_name, const char *to_name,
385 struct cifs_sb_info *cifs_sb);
6d5786a3 386extern int CIFSUnixCreateHardLink(const unsigned int xid,
96daf2b0 387 struct cifs_tcon *tcon,
1da177e4 388 const char *fromName, const char *toName,
d38d8c74 389 const struct nls_table *nls_codepage,
737b758c 390 int remap_special_chars);
6d5786a3 391extern int CIFSUnixCreateSymLink(const unsigned int xid,
96daf2b0 392 struct cifs_tcon *tcon,
1da177e4 393 const char *fromName, const char *toName,
bc8ebdc4 394 const struct nls_table *nls_codepage, int remap);
6d5786a3 395extern int CIFSSMBUnixQuerySymLink(const unsigned int xid,
96daf2b0 396 struct cifs_tcon *tcon,
460b9696 397 const unsigned char *searchName, char **syminfo,
bc8ebdc4 398 const struct nls_table *nls_codepage, int remap);
d244bf2d
PS		 399extern int CIFSSMBQuerySymLink(const unsigned int xid, struct cifs_tcon *tcon,
400 __u16 fid, char **symlinkinfo,
401 const struct nls_table *nls_codepage);
c7f508a9
SF		 402extern int CIFSSMB_set_compression(const unsigned int xid,
403 struct cifs_tcon *tcon, __u16 fid);
d81b8a40
PS		 404extern int CIFS_open(const unsigned int xid, struct cifs_open_parms *oparms,
405 int *oplock, FILE_ALL_INFO *buf);
6d5786a3 406extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon,
a9d02ad4
SF		 407 const char *fileName, const int disposition,
408 const int access_flags, const int omode,
8840dee9 409 __u16 *netfid, int *pOplock, FILE_ALL_INFO *,
a9d02ad4 410 const struct nls_table *nls_codepage, int remap);
6d5786a3 411extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon,
8840dee9 412 u32 posix_flags, __u64 mode, __u16 *netfid,
2dd29d31
SF		 413 FILE_UNIX_BASIC_INFO *pRetData,
414 __u32 *pOplock, const char *name,
d38d8c74 415 const struct nls_table *nls_codepage, int remap);
6d5786a3 416extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4
LT		 417 const int smb_file_id);
418
6d5786a3 419extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon,
b298f223
SF		 420 const int smb_file_id);
421
6d5786a3 422extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms,
d4ffff1f 423 unsigned int *nbytes, char **buf,
d38d8c74 424 int *return_buf_type);
6d5786a3 425extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms,
dbbab325 426 unsigned int *nbytes, const char *buf);
6d5786a3 427extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms,
ba9ad725 428 unsigned int *nbytes, struct kvec *iov, const int nvec);
6d5786a3 429extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon,
1208ef1f
PS		 430 const char *search_name, __u64 *inode_number,
431 const struct nls_table *nls_codepage,
432 int remap);
1da177e4 433
6d5786a3
PS		 434extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon,
435 const __u16 netfid, const __u8 lock_type,
436 const __u32 num_unlock, const __u32 num_lock,
437 LOCKING_ANDX_RANGE *buf);
438extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon,
03776f45 439 const __u16 netfid, const __u32 netpid, const __u64 len,
1da177e4
LT		 440 const __u64 offset, const __u32 numUnlock,
441 const __u32 numLock, const __u8 lockType,
12fed00d 442 const bool waitFlag, const __u8 oplock_level);
6d5786a3 443extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon,
4f6bcec9 444 const __u16 smb_file_id, const __u32 netpid,
c5fd363d
JL		 445 const loff_t start_offset, const __u64 len,
446 struct file_lock *, const __u16 lock_type,
447 const bool waitFlag);
2e6e02ab 448extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon);
766fdbb5 449extern int CIFSSMBEcho(struct TCP_Server_Info *server);
58c45c58 450extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses);
1da177e4 451
96daf2b0
SF		 452extern struct cifs_ses *sesInfoAlloc(void);
453extern void sesInfoFree(struct cifs_ses *);
454extern struct cifs_tcon *tconInfoAlloc(void);
455extern void tconInfoFree(struct cifs_tcon *);
1da177e4 456
bf5ea0e2
JL		 457extern int cifs_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server,
458 __u32 *pexpected_response_sequence_number);
762a4206 459extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
84afc29b 460 __u32 *);
bf5ea0e2
JL		 461extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
462extern int cifs_verify_signature(struct smb_rqst *rqst,
21e73393 463 struct TCP_Server_Info *server,
b609f06a 464 __u32 expected_sequence_number);
9ef5992e
SP		 465extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *,
466 const struct nls_table *);
467extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *);
96daf2b0 468extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *);
026e93dc 469extern void cifs_crypto_secmech_release(struct TCP_Server_Info *server);
96daf2b0 470extern int calc_seckey(struct cifs_ses *);
373512ec
SF		 471extern int generate_smb30signingkey(struct cifs_ses *);
472extern int generate_smb311signingkey(struct cifs_ses *);
d2b91521 473
7c7b25bc 474#ifdef CONFIG_CIFS_WEAK_PW_HASH
43988d76 475extern int calc_lanman_hash(const char *password, const char *cryptkey,
4e53a3fb 476 bool encrypt, char *lnm_session_key);
7c7b25bc 477#endif /* CIFS_WEAK_PW_HASH */
0eff0e26 478#ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */
6d5786a3 479extern int CIFSSMBNotify(const unsigned int xid, struct cifs_tcon *tcon,
0eff0e26
SF		 480 const int notify_subdirs, const __u16 netfid,
481 __u32 filter, struct file *file, int multishot,
482 const struct nls_table *nls_codepage);
483#endif /* was needed for dnotify, and will be needed for inotify when VFS fix */
6d5786a3 484extern int CIFSSMBCopy(unsigned int xid,
96daf2b0 485 struct cifs_tcon *source_tcon,
1da177e4
LT		 486 const char *fromName,
487 const __u16 target_tid,
488 const char *toName, const int flags,
50c2f753 489 const struct nls_table *nls_codepage,
737b758c 490 int remap_special_chars);
6d5786a3 491extern ssize_t CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon,
31c0519f
JL		 492 const unsigned char *searchName,
493 const unsigned char *ea_name, char *EAData,
67b4c889 494 size_t bufsize, struct cifs_sb_info *cifs_sb);
6d5786a3 495extern int CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon,
d38d8c74
SF		 496 const char *fileName, const char *ea_name,
497 const void *ea_value, const __u16 ea_value_len,
5517554e
RS		 498 const struct nls_table *nls_codepage,
499 struct cifs_sb_info *cifs_sb);
6d5786a3 500extern int CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon,
630f3f0c 501 __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
6d5786a3 502extern int CIFSSMBSetCIFSACL(const unsigned int, struct cifs_tcon *, __u16,
a5ff3769 503 struct cifs_ntsd *, __u32, int);
6d5786a3 504extern int CIFSSMBGetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4 505 const unsigned char *searchName,
d38d8c74 506 char *acl_inf, const int buflen, const int acl_type,
737b758c 507 const struct nls_table *nls_codepage, int remap_special_chars);
6d5786a3 508extern int CIFSSMBSetPosixACL(const unsigned int xid, struct cifs_tcon *tcon,
1da177e4
LT		 509 const unsigned char *fileName,
510 const char *local_acl, const int buflen, const int acl_type,
737b758c 511 const struct nls_table *nls_codepage, int remap_special_chars);
6d5786a3 512extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon,
8840dee9 513 const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
ec06aedd 514extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb);
cb084b1a
SP		 515extern bool couldbe_mf_symlink(const struct cifs_fattr *fattr);
516extern int check_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
750b8de6
SP		 517 struct cifs_sb_info *cifs_sb,
518 struct cifs_fattr *fattr,
519 const unsigned char *path);
ee2c9258 520extern int mdfour(unsigned char *, unsigned char *, int);
9ef5992e
SP		 521extern int E_md4hash(const unsigned char *passwd, unsigned char *p16,
522 const struct nls_table *codepage);
43988d76 523extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
ee2c9258 524 unsigned char *p24);
56c762eb
PA		 525extern void
526cifs_cleanup_volume_info_contents(struct smb_vol *volume_info);
c28c89fc 527
54be1f6c
PA		 528extern struct TCP_Server_Info *
529cifs_find_tcp_session(struct smb_vol *vol);
530
6993f74a 531void cifs_readdata_release(struct kref *refcount);
e28bc5b1 532int cifs_async_readv(struct cifs_readdata *rdata);
09a4707e 533int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid);
e28bc5b1 534
4a5c80d7
SF		 535int cifs_async_writev(struct cifs_writedata *wdata,
536 void (*release)(struct kref *kref));
c2e87640
JL		 537void cifs_writev_complete(struct work_struct *work);
538struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages,
539 work_func_t complete);
8e7360f6
LL		 540struct cifs_writedata *cifs_writedata_direct_alloc(struct page **pages,
541 work_func_t complete);
c28c89fc 542void cifs_writedata_release(struct kref *refcount);
b5be1a1c
SP		 543int cifs_query_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_read);
cbb0aba6
SP		 547int cifs_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
548 struct cifs_sb_info *cifs_sb,
549 const unsigned char *path, char *pbuf,
550 unsigned int *pbytes_written);
c713c877 551int __cifs_calc_signature(struct smb_rqst *rqst,
16c568ef
AV		 552 struct TCP_Server_Info *server, char *signature,
553 struct shash_desc *shash);
ef65aaed
SP		 554enum securityEnum cifs_select_sectype(struct TCP_Server_Info *,
555 enum securityEnum);
ccf7f408
PS		 556struct cifs_aio_ctx *cifs_aio_ctx_alloc(void);
557void cifs_aio_ctx_release(struct kref *refcount);
558int setup_aio_ctx_iter(struct cifs_aio_ctx *ctx, struct iov_iter *iter, int rw);
a93864d9 559void smb2_cached_lease_break(struct work_struct *work);
82fb82be
AA		 560
561int cifs_alloc_hash(const char *name, struct crypto_shash **shash,
562 struct sdesc **sdesc);
563void cifs_free_hash(struct crypto_shash **shash, struct sdesc **sdesc);
564
7b7f2bdf
LL		 565extern void rqst_page_get_length(struct smb_rqst *rqst, unsigned int page,
566 unsigned int *len, unsigned int *offset);
567
a3a53b76
PA		 568void extract_unc_hostname(const char *unc, const char **h, size_t *len);
569
1c780228
PA		 570#ifdef CONFIG_CIFS_DFS_UPCALL
571static inline int get_dfs_path(const unsigned int xid, struct cifs_ses *ses,
572 const char *old_path,
573 const struct nls_table *nls_codepage,
574 struct dfs_info3_param *referral, int remap)
575{
576 return dfs_cache_find(xid, ses, nls_codepage, remap, old_path,
577 referral, NULL);
578}
579#endif
580
1da177e4 581#endif /* _CIFSPROTO_H */
Linux 6.x block layer and io_uring tree(s)