fs/cifs/smb2proto.h

   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
  28 struct statfs;
  29
  30 /*
  31  *****************************************************************
  32  * All Prototypes
  33  *****************************************************************
  34  */
  35 extern int map_smb2_to_linux_error(char *buf, bool log_err);
  36 extern int smb2_check_message(char *buf, unsigned int length);
  37 extern unsigned int smb2_calc_size(void *buf);
  38 extern char *smb2_get_data_area_len(int *off, int *len, struct smb2_hdr *hdr);
  39 extern __le16 *cifs_convert_path_to_utf16(const char *from,
  40                                           struct cifs_sb_info *cifs_sb);
  41
  42 extern int smb2_verify_signature2(struct kvec *, unsigned int,
  43                                   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 int smb2_setup_request(struct cifs_ses *ses, struct kvec *iov,
  47                               unsigned int nvec, struct mid_q_entry **ret_mid);
  48 extern int smb2_setup_async_request(struct TCP_Server_Info *server,
  49                                     struct kvec *iov, unsigned int nvec,
  50                                     struct mid_q_entry **ret_mid);
  51 extern void smb2_echo_request(struct work_struct *work);
  52 extern bool smb2_is_valid_oplock_break(char *buffer,
  53                                        struct TCP_Server_Info *srv);
  54
  55 extern void move_smb2_info_to_cifs(FILE_ALL_INFO *dst,
  56                                    struct smb2_file_all_info *src);
  57 extern int smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
  58                                 struct cifs_sb_info *cifs_sb,
  59                                 const char *full_path, FILE_ALL_INFO *data,
  60                                 bool *adjust_tz);
  61 extern int smb2_set_path_size(const unsigned int xid, struct cifs_tcon *tcon,
  62                               const char *full_path, __u64 size,
  63                               struct cifs_sb_info *cifs_sb, bool set_alloc);
  64 extern int smb2_set_file_info(struct inode *inode, const char *full_path,
  65                               FILE_BASIC_INFO *buf, const unsigned int xid);
  66 extern int smb2_mkdir(const unsigned int xid, struct cifs_tcon *tcon,
  67                       const char *name, struct cifs_sb_info *cifs_sb);
  68 extern void smb2_mkdir_setinfo(struct inode *inode, const char *full_path,
  69                                struct cifs_sb_info *cifs_sb,
  70                                struct cifs_tcon *tcon, const unsigned int xid);
  71 extern int smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon,
  72                       const char *name, struct cifs_sb_info *cifs_sb);
  73 extern int smb2_unlink(const unsigned int xid, struct cifs_tcon *tcon,
  74                        const char *name, struct cifs_sb_info *cifs_sb);
  75 extern int smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon,
  76                             const char *from_name, const char *to_name,
  77                             struct cifs_sb_info *cifs_sb);
  78 extern int smb2_create_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
  79                                 const char *from_name, const char *to_name,
  80                                 struct cifs_sb_info *cifs_sb);
  81
  82 extern int smb2_open_file(const unsigned int xid, struct cifs_tcon *tcon,
  83                           const char *full_path, int disposition,
  84                           int desired_access, int create_options,
  85                           struct cifs_fid *fid, __u32 *oplock,
  86                           FILE_ALL_INFO *buf, struct cifs_sb_info *cifs_sb);
  87 extern void smb2_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
  88
  89 /*
  90  * SMB2 Worker functions - most of protocol specific implementation details
  91  * are contained within these calls.
  92  */
  93 extern int SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses);
  94 extern int SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses,
  95                            const struct nls_table *nls_cp);
  96 extern int SMB2_logoff(const unsigned int xid, struct cifs_ses *ses);
  97 extern int SMB2_tcon(const unsigned int xid, struct cifs_ses *ses,
  98                      const char *tree, struct cifs_tcon *tcon,
  99                      const struct nls_table *);
 100 extern int SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon);
 101 extern int SMB2_open(const unsigned int xid, struct cifs_tcon *tcon,
 102                      __le16 *path, u64 *persistent_fid, u64 *volatile_fid,
 103                      __u32 desired_access, __u32 create_disposition,
 104                      __u32 file_attributes, __u32 create_options,
 105                      __u8 *oplock, struct smb2_file_all_info *buf);
 106 extern int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
 107                       u64 persistent_file_id, u64 volatile_file_id);
 108 extern int SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon,
 109                       u64 persistent_file_id, u64 volatile_file_id);
 110 extern int SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon,
 111                            u64 persistent_file_id, u64 volatile_file_id,
 112                            struct smb2_file_all_info *data);
 113 extern int SMB2_get_srv_num(const unsigned int xid, struct cifs_tcon *tcon,
 114                             u64 persistent_fid, u64 volatile_fid,
 115                             __le64 *uniqueid);
 116 extern int smb2_async_readv(struct cifs_readdata *rdata);
 117 extern int SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
 118                      unsigned int *nbytes, char **buf, int *buf_type);
 119 extern int smb2_async_writev(struct cifs_writedata *wdata);
 120 extern int SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
 121                       unsigned int *nbytes, struct kvec *iov, int n_vec);
 122 extern int SMB2_echo(struct TCP_Server_Info *server);
 123 extern int SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon,
 124                                 u64 persistent_fid, u64 volatile_fid, int index,
 125                                 struct cifs_search_info *srch_inf);
 126 extern int SMB2_rename(const unsigned int xid, struct cifs_tcon *tcon,
 127                        u64 persistent_fid, u64 volatile_fid,
 128                        __le16 *target_file);
 129 extern int SMB2_set_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
 130                              u64 persistent_fid, u64 volatile_fid,
 131                              __le16 *target_file);
 132 extern int SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon,
 133                         u64 persistent_fid, u64 volatile_fid, u32 pid,
 134                         __le64 *eof);
 135 extern int SMB2_set_info(const unsigned int xid, struct cifs_tcon *tcon,
 136                          u64 persistent_fid, u64 volatile_fid,
 137                          FILE_BASIC_INFO *buf);
 138 extern int SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon,
 139                              const u64 persistent_fid, const u64 volatile_fid,
 140                              const __u8 oplock_level);
 141 extern int SMB2_QFS_info(const unsigned int xid, struct cifs_tcon *tcon,
 142                          u64 persistent_file_id, u64 volatile_file_id,
 143                          struct kstatfs *FSData);
 144
 145 #endif                  /* _SMB2PROTO_H */