CIFS: Handle SMB2 lock flags
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / fs / cifs / 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 (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;
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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);
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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 *);
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44extern int smb2_check_receive(struct mid_q_entry *mid,
45 struct TCP_Server_Info *server, bool log_error);
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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);
c95b8eed 50extern void smb2_echo_request(struct work_struct *work);
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51extern bool smb2_is_valid_oplock_break(char *buffer,
52 struct TCP_Server_Info *srv);
2dc7e1c0 53
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54extern void move_smb2_info_to_cifs(FILE_ALL_INFO *dst,
55 struct smb2_file_all_info *src);
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56extern int smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
57 struct cifs_sb_info *cifs_sb,
58 const char *full_path, FILE_ALL_INFO *data,
59 bool *adjust_tz);
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60extern int smb2_set_path_size(const unsigned int xid, struct cifs_tcon *tcon,
61 const char *full_path, __u64 size,
62 struct cifs_sb_info *cifs_sb, bool set_alloc);
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63extern int smb2_set_file_info(struct inode *inode, const char *full_path,
64 FILE_BASIC_INFO *buf, const unsigned int xid);
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65extern int smb2_mkdir(const unsigned int xid, struct cifs_tcon *tcon,
66 const char *name, struct cifs_sb_info *cifs_sb);
67extern void smb2_mkdir_setinfo(struct inode *inode, const char *full_path,
68 struct cifs_sb_info *cifs_sb,
69 struct cifs_tcon *tcon, const unsigned int xid);
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70extern int smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon,
71 const char *name, struct cifs_sb_info *cifs_sb);
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72extern int smb2_unlink(const unsigned int xid, struct cifs_tcon *tcon,
73 const char *name, struct cifs_sb_info *cifs_sb);
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74extern int smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon,
75 const char *from_name, const char *to_name,
76 struct cifs_sb_info *cifs_sb);
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77extern int smb2_create_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
78 const char *from_name, const char *to_name,
79 struct cifs_sb_info *cifs_sb);
a0e73183 80
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81extern int smb2_open_file(const unsigned int xid, struct cifs_tcon *tcon,
82 const char *full_path, int disposition,
83 int desired_access, int create_options,
84 struct cifs_fid *fid, __u32 *oplock,
85 FILE_ALL_INFO *buf, struct cifs_sb_info *cifs_sb);
2e44b288 86extern void smb2_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
f0df737e 87
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88/*
89 * SMB2 Worker functions - most of protocol specific implementation details
90 * are contained within these calls.
91 */
92extern int SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses);
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93extern int SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses,
94 const struct nls_table *nls_cp);
95extern int SMB2_logoff(const unsigned int xid, struct cifs_ses *ses);
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96extern int SMB2_tcon(const unsigned int xid, struct cifs_ses *ses,
97 const char *tree, struct cifs_tcon *tcon,
98 const struct nls_table *);
99extern int SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon);
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100extern int SMB2_open(const unsigned int xid, struct cifs_tcon *tcon,
101 __le16 *path, u64 *persistent_fid, u64 *volatile_fid,
102 __u32 desired_access, __u32 create_disposition,
f0df737e 103 __u32 file_attributes, __u32 create_options,
2e44b288 104 __u8 *oplock, struct smb2_file_all_info *buf);
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105extern int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
106 u64 persistent_file_id, u64 volatile_file_id);
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107extern int SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon,
108 u64 persistent_file_id, u64 volatile_file_id);
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109extern int SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon,
110 u64 persistent_file_id, u64 volatile_file_id,
111 struct smb2_file_all_info *data);
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112extern int SMB2_get_srv_num(const unsigned int xid, struct cifs_tcon *tcon,
113 u64 persistent_fid, u64 volatile_fid,
114 __le64 *uniqueid);
09a4707e 115extern int smb2_async_readv(struct cifs_readdata *rdata);
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116extern int SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
117 unsigned int *nbytes, char **buf, int *buf_type);
33319141 118extern int smb2_async_writev(struct cifs_writedata *wdata);
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119extern int SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
120 unsigned int *nbytes, struct kvec *iov, int n_vec);
9094fad1 121extern int SMB2_echo(struct TCP_Server_Info *server);
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122extern int SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon,
123 u64 persistent_fid, u64 volatile_fid, int index,
124 struct cifs_search_info *srch_inf);
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125extern int SMB2_rename(const unsigned int xid, struct cifs_tcon *tcon,
126 u64 persistent_fid, u64 volatile_fid,
127 __le16 *target_file);
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128extern int SMB2_set_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
129 u64 persistent_fid, u64 volatile_fid,
130 __le16 *target_file);
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131extern int SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon,
132 u64 persistent_fid, u64 volatile_fid, u32 pid,
133 __le64 *eof);
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134extern int SMB2_set_info(const unsigned int xid, struct cifs_tcon *tcon,
135 u64 persistent_fid, u64 volatile_fid,
136 FILE_BASIC_INFO *buf);
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137extern int SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon,
138 const u64 persistent_fid, const u64 volatile_fid,
139 const __u8 oplock_level);
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140extern int SMB2_QFS_info(const unsigned int xid, struct cifs_tcon *tcon,
141 u64 persistent_file_id, u64 volatile_file_id,
142 struct kstatfs *FSData);
ec2e4523 143
ddfbefbd 144#endif /* _SMB2PROTO_H */