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 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 struct TCP_Server_Info *server); 39 extern unsigned int smb2_calc_size(void *buf); 40 extern char *smb2_get_data_area_len(int *off, int *len, struct smb2_hdr *hdr); 41 extern __le16 *cifs_convert_path_to_utf16(const char *from, 42 struct cifs_sb_info *cifs_sb); 43 44 extern int smb2_verify_signature(struct smb_rqst *, struct TCP_Server_Info *); 45 extern int smb2_check_receive(struct mid_q_entry *mid, 46 struct TCP_Server_Info *server, bool log_error); 47 extern struct mid_q_entry *smb2_setup_request(struct cifs_ses *ses, 48 struct smb_rqst *rqst); 49 extern struct mid_q_entry *smb2_setup_async_request( 50 struct TCP_Server_Info *server, struct smb_rqst *rqst); 51 extern struct cifs_ses *smb2_find_smb_ses(struct TCP_Server_Info *server, 52 __u64 ses_id); 53 extern struct cifs_tcon *smb2_find_smb_tcon(struct TCP_Server_Info *server, 54 __u64 ses_id, __u32 tid); 55 extern int smb2_calc_signature(struct smb_rqst *rqst, 56 struct TCP_Server_Info *server); 57 extern int smb3_calc_signature(struct smb_rqst *rqst, 58 struct TCP_Server_Info *server); 59 extern void smb2_echo_request(struct work_struct *work); 60 extern __le32 smb2_get_lease_state(struct cifsInodeInfo *cinode); 61 extern bool smb2_is_valid_oplock_break(char *buffer, 62 struct TCP_Server_Info *srv); 63 64 extern void move_smb2_info_to_cifs(FILE_ALL_INFO *dst, 65 struct smb2_file_all_info *src); 66 extern int smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon, 67 struct cifs_sb_info *cifs_sb, 68 const char *full_path, FILE_ALL_INFO *data, 69 bool *adjust_tz, bool *symlink); 70 extern int smb2_set_path_size(const unsigned int xid, struct cifs_tcon *tcon, 71 const char *full_path, __u64 size, 72 struct cifs_sb_info *cifs_sb, bool set_alloc); 73 extern int smb2_set_file_info(struct inode *inode, const char *full_path, 74 FILE_BASIC_INFO *buf, const unsigned int xid); 75 extern int smb2_mkdir(const unsigned int xid, struct cifs_tcon *tcon, 76 const char *name, struct cifs_sb_info *cifs_sb); 77 extern void smb2_mkdir_setinfo(struct inode *inode, const char *full_path, 78 struct cifs_sb_info *cifs_sb, 79 struct cifs_tcon *tcon, const unsigned int xid); 80 extern int smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon, 81 const char *name, struct cifs_sb_info *cifs_sb); 82 extern int smb2_unlink(const unsigned int xid, struct cifs_tcon *tcon, 83 const char *name, struct cifs_sb_info *cifs_sb); 84 extern int smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon, 85 const char *from_name, const char *to_name, 86 struct cifs_sb_info *cifs_sb); 87 extern int smb2_create_hardlink(const unsigned int xid, struct cifs_tcon *tcon, 88 const char *from_name, const char *to_name, 89 struct cifs_sb_info *cifs_sb); 90 extern int smb3_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, 91 struct cifs_sb_info *cifs_sb, const unsigned char *path, 92 char *pbuf, unsigned int *pbytes_written); 93 extern int smb3_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, 94 struct cifs_sb_info *cifs_sb, 95 const unsigned char *path, char *pbuf, 96 unsigned int *pbytes_read); 97 extern int smb2_open_file(const unsigned int xid, 98 struct cifs_open_parms *oparms, 99 __u32 *oplock, FILE_ALL_INFO *buf); 100 extern int smb2_unlock_range(struct cifsFileInfo *cfile, 101 struct file_lock *flock, const unsigned int xid); 102 extern int smb2_push_mandatory_locks(struct cifsFileInfo *cfile); 103 extern void smb2_reconnect_server(struct work_struct *work); 104 105 /* 106 * SMB2 Worker functions - most of protocol specific implementation details 107 * are contained within these calls. 108 */ 109 extern int SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses); 110 extern int SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses, 111 const struct nls_table *nls_cp); 112 extern int SMB2_logoff(const unsigned int xid, struct cifs_ses *ses); 113 extern int SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, 114 const char *tree, struct cifs_tcon *tcon, 115 const struct nls_table *); 116 extern int SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon); 117 extern int SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, 118 __le16 *path, __u8 *oplock, 119 struct smb2_file_all_info *buf, 120 struct smb2_err_rsp **err_buf); 121 extern int SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, 122 u64 persistent_fid, u64 volatile_fid, u32 opcode, 123 bool is_fsctl, char *in_data, u32 indatalen, 124 char **out_data, u32 *plen /* returned data len */); 125 extern int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, 126 u64 persistent_file_id, u64 volatile_file_id); 127 extern int SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon, 128 u64 persistent_file_id, u64 volatile_file_id); 129 extern int SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon, 130 u64 persistent_file_id, u64 volatile_file_id, 131 struct smb2_file_all_info *data); 132 extern int SMB2_get_srv_num(const unsigned int xid, struct cifs_tcon *tcon, 133 u64 persistent_fid, u64 volatile_fid, 134 __le64 *uniqueid); 135 extern int smb2_async_readv(struct cifs_readdata *rdata); 136 extern int SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms, 137 unsigned int *nbytes, char **buf, int *buf_type); 138 extern int smb2_async_writev(struct cifs_writedata *wdata, 139 void (*release)(struct kref *kref)); 140 extern int SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms, 141 unsigned int *nbytes, struct kvec *iov, int n_vec); 142 extern int SMB2_echo(struct TCP_Server_Info *server); 143 extern int SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon, 144 u64 persistent_fid, u64 volatile_fid, int index, 145 struct cifs_search_info *srch_inf); 146 extern int SMB2_rename(const unsigned int xid, struct cifs_tcon *tcon, 147 u64 persistent_fid, u64 volatile_fid, 148 __le16 *target_file); 149 extern int SMB2_rmdir(const unsigned int xid, struct cifs_tcon *tcon, 150 u64 persistent_fid, u64 volatile_fid); 151 extern int SMB2_set_hardlink(const unsigned int xid, struct cifs_tcon *tcon, 152 u64 persistent_fid, u64 volatile_fid, 153 __le16 *target_file); 154 extern int SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon, 155 u64 persistent_fid, u64 volatile_fid, u32 pid, 156 __le64 *eof, bool is_fallocate); 157 extern int SMB2_set_info(const unsigned int xid, struct cifs_tcon *tcon, 158 u64 persistent_fid, u64 volatile_fid, 159 FILE_BASIC_INFO *buf); 160 extern int SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon, 161 u64 persistent_fid, u64 volatile_fid); 162 extern int SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon, 163 const u64 persistent_fid, const u64 volatile_fid, 164 const __u8 oplock_level); 165 extern int smb2_handle_cancelled_mid(char *buffer, 166 struct TCP_Server_Info *server); 167 void smb2_cancelled_close_fid(struct work_struct *work); 168 extern int SMB2_QFS_info(const unsigned int xid, struct cifs_tcon *tcon, 169 u64 persistent_file_id, u64 volatile_file_id, 170 struct kstatfs *FSData); 171 extern int SMB2_QFS_attr(const unsigned int xid, struct cifs_tcon *tcon, 172 u64 persistent_file_id, u64 volatile_file_id, int lvl); 173 extern int SMB2_lock(const unsigned int xid, struct cifs_tcon *tcon, 174 const __u64 persist_fid, const __u64 volatile_fid, 175 const __u32 pid, const __u64 length, const __u64 offset, 176 const __u32 lockFlags, const bool wait); 177 extern int smb2_lockv(const unsigned int xid, struct cifs_tcon *tcon, 178 const __u64 persist_fid, const __u64 volatile_fid, 179 const __u32 pid, const __u32 num_lock, 180 struct smb2_lock_element *buf); 181 extern int SMB2_lease_break(const unsigned int xid, struct cifs_tcon *tcon, 182 __u8 *lease_key, const __le32 lease_state); 183 extern int smb3_validate_negotiate(const unsigned int, struct cifs_tcon *); 184 185 #endif /* _SMB2PROTO_H */ 186