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smb2proto.h
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1 /*
2  * fs/cifs/smb2proto.h
3  *
4  * Copyright (c) International Business Machines Corp., 2002, 2011
5  * Etersoft, 2012
6  * Author(s): Steve French ([email protected])
7  * Pavel Shilovsky ([email protected]) 2012
8  *
9  * This library is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU Lesser General Public License as published
11  * by the Free Software Foundation; either version 2.1 of the License, or
12  * (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
17  * the GNU Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public License
20  * along with this library; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22  */
23 #ifndef _SMB2PROTO_H
24 #define _SMB2PROTO_H
25 #include <linux/nls.h>
26 #include <linux/key-type.h>
27 
28 struct statfs;
29 struct smb_rqst;
30 
31 /*
32  *****************************************************************
33  * All Prototypes
34  *****************************************************************
35  */
36 extern int map_smb2_to_linux_error(char *buf, bool log_err);
37 extern int smb2_check_message(char *buf, unsigned int length);
38 extern unsigned int smb2_calc_size(void *buf);
39 extern char *smb2_get_data_area_len(int *off, int *len, struct smb2_hdr *hdr);
40 extern __le16 *cifs_convert_path_to_utf16(const char *from,
41  struct cifs_sb_info *cifs_sb);
42 
43 extern int smb2_verify_signature(struct smb_rqst *, struct TCP_Server_Info *);
44 extern int smb2_check_receive(struct mid_q_entry *mid,
45  struct TCP_Server_Info *server, bool log_error);
46 extern struct mid_q_entry *smb2_setup_request(struct cifs_ses *ses,
47  struct smb_rqst *rqst);
48 extern struct mid_q_entry *smb2_setup_async_request(
49  struct TCP_Server_Info *server, struct smb_rqst *rqst);
50 extern void smb2_echo_request(struct work_struct *work);
51 extern __le32 smb2_get_lease_state(struct cifsInodeInfo *cinode);
52 extern __u8 smb2_map_lease_to_oplock(__le32 lease_state);
53 extern bool smb2_is_valid_oplock_break(char *buffer,
54  struct TCP_Server_Info *srv);
55 
56 extern void move_smb2_info_to_cifs(FILE_ALL_INFO *dst,
57  struct smb2_file_all_info *src);
58 extern int smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
59  struct cifs_sb_info *cifs_sb,
60  const char *full_path, FILE_ALL_INFO *data,
61  bool *adjust_tz);
62 extern int smb2_set_path_size(const unsigned int xid, struct cifs_tcon *tcon,
63  const char *full_path, __u64 size,
64  struct cifs_sb_info *cifs_sb, bool set_alloc);
65 extern int smb2_set_file_info(struct inode *inode, const char *full_path,
66  FILE_BASIC_INFO *buf, const unsigned int xid);
67 extern int smb2_mkdir(const unsigned int xid, struct cifs_tcon *tcon,
68  const char *name, struct cifs_sb_info *cifs_sb);
69 extern void smb2_mkdir_setinfo(struct inode *inode, const char *full_path,
70  struct cifs_sb_info *cifs_sb,
71  struct cifs_tcon *tcon, const unsigned int xid);
72 extern int smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon,
73  const char *name, struct cifs_sb_info *cifs_sb);
74 extern int smb2_unlink(const unsigned int xid, struct cifs_tcon *tcon,
75  const char *name, struct cifs_sb_info *cifs_sb);
76 extern int smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon,
77  const char *from_name, const char *to_name,
78  struct cifs_sb_info *cifs_sb);
79 extern int smb2_create_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
80  const char *from_name, const char *to_name,
81  struct cifs_sb_info *cifs_sb);
82 
83 extern int smb2_open_file(const unsigned int xid, struct cifs_tcon *tcon,
84  const char *full_path, int disposition,
85  int desired_access, int create_options,
86  struct cifs_fid *fid, __u32 *oplock,
87  FILE_ALL_INFO *buf, struct cifs_sb_info *cifs_sb);
88 extern void smb2_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
89 extern int smb2_unlock_range(struct cifsFileInfo *cfile,
90  struct file_lock *flock, const unsigned int xid);
91 extern int smb2_push_mandatory_locks(struct cifsFileInfo *cfile);
92 
93 /*
94  * SMB2 Worker functions - most of protocol specific implementation details
95  * are contained within these calls.
96  */
97 extern int SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses);
98 extern int SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses,
99  const struct nls_table *nls_cp);
100 extern int SMB2_logoff(const unsigned int xid, struct cifs_ses *ses);
101 extern int SMB2_tcon(const unsigned int xid, struct cifs_ses *ses,
102  const char *tree, struct cifs_tcon *tcon,
103  const struct nls_table *);
104 extern int SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon);
105 extern int SMB2_open(const unsigned int xid, struct cifs_tcon *tcon,
106  __le16 *path, u64 *persistent_fid, u64 *volatile_fid,
107  __u32 desired_access, __u32 create_disposition,
108  __u32 file_attributes, __u32 create_options,
109  __u8 *oplock, struct smb2_file_all_info *buf);
110 extern int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
111  u64 persistent_file_id, u64 volatile_file_id);
112 extern int SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon,
113  u64 persistent_file_id, u64 volatile_file_id);
114 extern int SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon,
115  u64 persistent_file_id, u64 volatile_file_id,
116  struct smb2_file_all_info *data);
117 extern int SMB2_get_srv_num(const unsigned int xid, struct cifs_tcon *tcon,
118  u64 persistent_fid, u64 volatile_fid,
119  __le64 *uniqueid);
120 extern int smb2_async_readv(struct cifs_readdata *rdata);
121 extern int SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
122  unsigned int *nbytes, char **buf, int *buf_type);
123 extern int smb2_async_writev(struct cifs_writedata *wdata);
124 extern int SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
125  unsigned int *nbytes, struct kvec *iov, int n_vec);
126 extern int SMB2_echo(struct TCP_Server_Info *server);
127 extern int SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon,
128  u64 persistent_fid, u64 volatile_fid, int index,
129  struct cifs_search_info *srch_inf);
130 extern int SMB2_rename(const unsigned int xid, struct cifs_tcon *tcon,
131  u64 persistent_fid, u64 volatile_fid,
132  __le16 *target_file);
133 extern int SMB2_set_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
134  u64 persistent_fid, u64 volatile_fid,
135  __le16 *target_file);
136 extern int SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon,
137  u64 persistent_fid, u64 volatile_fid, u32 pid,
138  __le64 *eof);
139 extern int SMB2_set_info(const unsigned int xid, struct cifs_tcon *tcon,
140  u64 persistent_fid, u64 volatile_fid,
141  FILE_BASIC_INFO *buf);
142 extern int SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon,
143  const u64 persistent_fid, const u64 volatile_fid,
144  const __u8 oplock_level);
145 extern int SMB2_QFS_info(const unsigned int xid, struct cifs_tcon *tcon,
146  u64 persistent_file_id, u64 volatile_file_id,
147  struct kstatfs *FSData);
148 extern int SMB2_lock(const unsigned int xid, struct cifs_tcon *tcon,
149  const __u64 persist_fid, const __u64 volatile_fid,
150  const __u32 pid, const __u64 length, const __u64 offset,
151  const __u32 lockFlags, const bool wait);
152 extern int smb2_lockv(const unsigned int xid, struct cifs_tcon *tcon,
153  const __u64 persist_fid, const __u64 volatile_fid,
154  const __u32 pid, const __u32 num_lock,
155  struct smb2_lock_element *buf);
156 extern int SMB2_lease_break(const unsigned int xid, struct cifs_tcon *tcon,
157  __u8 *lease_key, const __le32 lease_state);
158 
159 #endif /* _SMB2PROTO_H */
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