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