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Add mfsymlinks support for SMB2.1/SMB3. Part 1 create symlink
[deliverable/linux.git] / fs / cifs / smb2proto.h
CommitLineData
ddfbefbd
SF		 1/*
2 * fs/cifs/smb2proto.h
3 *
4 * Copyright (c) International Business Machines Corp., 2002, 2011
5 * Etersoft, 2012
6 * Author(s): Steve French (sfrench@us.ibm.com)
7 * Pavel Shilovsky (pshilovsky@samba.org) 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
28struct statfs;
0b688cfc 29struct smb_rqst;
ddfbefbd
SF		 30
31/*
32 *****************************************************************
33 * All Prototypes
34 *****************************************************************
35 */
36extern int map_smb2_to_linux_error(char *buf, bool log_err);
093b2bda 37extern int smb2_check_message(char *buf, unsigned int length);
d324f08d 38extern unsigned int smb2_calc_size(void *buf);
ec2e4523 39extern char *smb2_get_data_area_len(int *off, int *len, struct smb2_hdr *hdr);
2503a0db
PS		 40extern __le16 *cifs_convert_path_to_utf16(const char *from,
41 struct cifs_sb_info *cifs_sb);
ddfbefbd 42
0b688cfc 43extern int smb2_verify_signature(struct smb_rqst *, struct TCP_Server_Info *);
2dc7e1c0
PS		 44extern int smb2_check_receive(struct mid_q_entry *mid,
45 struct TCP_Server_Info *server, bool log_error);
fec344e3
JL		 46extern struct mid_q_entry *smb2_setup_request(struct cifs_ses *ses,
47 struct smb_rqst *rqst);
48extern struct mid_q_entry *smb2_setup_async_request(
49 struct TCP_Server_Info *server, struct smb_rqst *rqst);
38107d45
SF		 50extern int smb2_calc_signature(struct smb_rqst *rqst,
51 struct TCP_Server_Info *server);
52extern int smb3_calc_signature(struct smb_rqst *rqst,
53 struct TCP_Server_Info *server);
c95b8eed 54extern void smb2_echo_request(struct work_struct *work);
0822f514 55extern __le32 smb2_get_lease_state(struct cifsInodeInfo *cinode);
983c88a4
PS		 56extern bool smb2_is_valid_oplock_break(char *buffer,
57 struct TCP_Server_Info *srv);
2dc7e1c0 58
f0df737e
PS		 59extern void move_smb2_info_to_cifs(FILE_ALL_INFO *dst,
60 struct smb2_file_all_info *src);
be4cb9e3
PS		 61extern int smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
62 struct cifs_sb_info *cifs_sb,
63 const char *full_path, FILE_ALL_INFO *data,
eb85d94b 64 bool *adjust_tz, bool *symlink);
c839ff24
PS		 65extern int smb2_set_path_size(const unsigned int xid, struct cifs_tcon *tcon,
66 const char *full_path, __u64 size,
67 struct cifs_sb_info *cifs_sb, bool set_alloc);
1feeaac7
PS		 68extern int smb2_set_file_info(struct inode *inode, const char *full_path,
69 FILE_BASIC_INFO *buf, const unsigned int xid);
a0e73183
PS		 70extern int smb2_mkdir(const unsigned int xid, struct cifs_tcon *tcon,
71 const char *name, struct cifs_sb_info *cifs_sb);
72extern void smb2_mkdir_setinfo(struct inode *inode, const char *full_path,
73 struct cifs_sb_info *cifs_sb,
74 struct cifs_tcon *tcon, const unsigned int xid);
1a500f01
PS		 75extern int smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon,
76 const char *name, struct cifs_sb_info *cifs_sb);
cbe6f439
PS		 77extern int smb2_unlink(const unsigned int xid, struct cifs_tcon *tcon,
78 const char *name, struct cifs_sb_info *cifs_sb);
35143eb5
PS		 79extern int smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon,
80 const char *from_name, const char *to_name,
81 struct cifs_sb_info *cifs_sb);
568798cc
PS		 82extern int smb2_create_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
83 const char *from_name, const char *to_name,
84 struct cifs_sb_info *cifs_sb);
5ab97578
SF		 85extern int smb3_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
86 struct cifs_sb_info *cifs_sb, const unsigned char *path,
87 char *pbuf, unsigned int *pbytes_written);
226730b4
PS		 88extern int smb2_open_file(const unsigned int xid,
89 struct cifs_open_parms *oparms,
90 __u32 *oplock, FILE_ALL_INFO *buf);
f7ba7fe6
PS		 91extern int smb2_unlock_range(struct cifsFileInfo *cfile,
92 struct file_lock *flock, const unsigned int xid);
b140799a 93extern int smb2_push_mandatory_locks(struct cifsFileInfo *cfile);
f0df737e 94
ec2e4523
PS		 95/*
96 * SMB2 Worker functions - most of protocol specific implementation details
97 * are contained within these calls.
98 */
99extern int SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses);
5478f9ba
PS		 100extern int SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses,
101 const struct nls_table *nls_cp);
102extern int SMB2_logoff(const unsigned int xid, struct cifs_ses *ses);
faaf946a
PS		 103extern int SMB2_tcon(const unsigned int xid, struct cifs_ses *ses,
104 const char *tree, struct cifs_tcon *tcon,
105 const struct nls_table *);
106extern int SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon);
064f6047
PS		 107extern int SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms,
108 __le16 *path, __u8 *oplock,
b42bf888
PS		 109 struct smb2_file_all_info *buf,
110 struct smb2_err_rsp **err_buf);
4a72dafa
SF		 111extern int SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon,
112 u64 persistent_fid, u64 volatile_fid, u32 opcode,
113 bool is_fsctl, char *in_data, u32 indatalen,
114 char **out_data, u32 *plen /* returned data len */);
2503a0db
PS		 115extern int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
116 u64 persistent_file_id, u64 volatile_file_id);
7a5cfb19
PS		 117extern int SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon,
118 u64 persistent_file_id, u64 volatile_file_id);
be4cb9e3
PS		 119extern int SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon,
120 u64 persistent_file_id, u64 volatile_file_id,
121 struct smb2_file_all_info *data);
f0df737e
PS		 122extern int SMB2_get_srv_num(const unsigned int xid, struct cifs_tcon *tcon,
123 u64 persistent_fid, u64 volatile_fid,
124 __le64 *uniqueid);
09a4707e 125extern int smb2_async_readv(struct cifs_readdata *rdata);
d8e05039
PS		 126extern int SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
127 unsigned int *nbytes, char **buf, int *buf_type);
4a5c80d7
SF		 128extern int smb2_async_writev(struct cifs_writedata *wdata,
129 void (*release)(struct kref *kref));
009d3443
PS		 130extern int SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
131 unsigned int *nbytes, struct kvec *iov, int n_vec);
9094fad1 132extern int SMB2_echo(struct TCP_Server_Info *server);
d324f08d
PS		 133extern int SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon,
134 u64 persistent_fid, u64 volatile_fid, int index,
135 struct cifs_search_info *srch_inf);
35143eb5
PS		 136extern int SMB2_rename(const unsigned int xid, struct cifs_tcon *tcon,
137 u64 persistent_fid, u64 volatile_fid,
138 __le16 *target_file);
568798cc
PS		 139extern int SMB2_set_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
140 u64 persistent_fid, u64 volatile_fid,
141 __le16 *target_file);
c839ff24
PS		 142extern int SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon,
143 u64 persistent_fid, u64 volatile_fid, u32 pid,
f29ebb47 144 __le64 *eof, bool is_fallocate);
1feeaac7
PS		 145extern int SMB2_set_info(const unsigned int xid, struct cifs_tcon *tcon,
146 u64 persistent_fid, u64 volatile_fid,
147 FILE_BASIC_INFO *buf);
64a5cfa6
SF		 148extern int SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
149 u64 persistent_fid, u64 volatile_fid);
983c88a4
PS		 150extern int SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon,
151 const u64 persistent_fid, const u64 volatile_fid,
152 const __u8 oplock_level);
6fc05c25
PS		 153extern int SMB2_QFS_info(const unsigned int xid, struct cifs_tcon *tcon,
154 u64 persistent_file_id, u64 volatile_file_id,
155 struct kstatfs *FSData);
34f62640 156extern int SMB2_QFS_attr(const unsigned int xid, struct cifs_tcon *tcon,
2167114c 157 u64 persistent_file_id, u64 volatile_file_id, int lvl);
f7ba7fe6
PS		 158extern int SMB2_lock(const unsigned int xid, struct cifs_tcon *tcon,
159 const __u64 persist_fid, const __u64 volatile_fid,
160 const __u32 pid, const __u64 length, const __u64 offset,
161 const __u32 lockFlags, const bool wait);
162extern int smb2_lockv(const unsigned int xid, struct cifs_tcon *tcon,
163 const __u64 persist_fid, const __u64 volatile_fid,
164 const __u32 pid, const __u32 num_lock,
165 struct smb2_lock_element *buf);
0822f514
PS		 166extern int SMB2_lease_break(const unsigned int xid, struct cifs_tcon *tcon,
167 __u8 *lease_key, const __le32 lease_state);
ff1c038a 168extern int smb3_validate_negotiate(const unsigned int, struct cifs_tcon *);
ec2e4523 169
ddfbefbd 170#endif /* _SMB2PROTO_H */
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