Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / fs / cifs / smb2pdu.h
1 /*
2  *   fs/cifs/smb2pdu.h
3  *
4  *   Copyright (c) International Business Machines  Corp., 2009, 2013
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
24 #ifndef _SMB2PDU_H
25 #define _SMB2PDU_H
26
27 #include <net/sock.h>
28
29 /*
30  * Note that, due to trying to use names similar to the protocol specifications,
31  * there are many mixed case field names in the structures below.  Although
32  * this does not match typical Linux kernel style, it is necessary to be
33  * be able to match against the protocol specfication.
34  *
35  * SMB2 commands
36  * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses
37  * (ie no useful data other than the SMB error code itself) and are marked such.
38  * Knowing this helps avoid response buffer allocations and copy in some cases.
39  */
40
41 /* List of commands in host endian */
42 #define SMB2_NEGOTIATE_HE       0x0000
43 #define SMB2_SESSION_SETUP_HE   0x0001
44 #define SMB2_LOGOFF_HE          0x0002 /* trivial request/resp */
45 #define SMB2_TREE_CONNECT_HE    0x0003
46 #define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */
47 #define SMB2_CREATE_HE          0x0005
48 #define SMB2_CLOSE_HE           0x0006
49 #define SMB2_FLUSH_HE           0x0007 /* trivial resp */
50 #define SMB2_READ_HE            0x0008
51 #define SMB2_WRITE_HE           0x0009
52 #define SMB2_LOCK_HE            0x000A
53 #define SMB2_IOCTL_HE           0x000B
54 #define SMB2_CANCEL_HE          0x000C
55 #define SMB2_ECHO_HE            0x000D
56 #define SMB2_QUERY_DIRECTORY_HE 0x000E
57 #define SMB2_CHANGE_NOTIFY_HE   0x000F
58 #define SMB2_QUERY_INFO_HE      0x0010
59 #define SMB2_SET_INFO_HE        0x0011
60 #define SMB2_OPLOCK_BREAK_HE    0x0012
61
62 /* The same list in little endian */
63 #define SMB2_NEGOTIATE          cpu_to_le16(SMB2_NEGOTIATE_HE)
64 #define SMB2_SESSION_SETUP      cpu_to_le16(SMB2_SESSION_SETUP_HE)
65 #define SMB2_LOGOFF             cpu_to_le16(SMB2_LOGOFF_HE)
66 #define SMB2_TREE_CONNECT       cpu_to_le16(SMB2_TREE_CONNECT_HE)
67 #define SMB2_TREE_DISCONNECT    cpu_to_le16(SMB2_TREE_DISCONNECT_HE)
68 #define SMB2_CREATE             cpu_to_le16(SMB2_CREATE_HE)
69 #define SMB2_CLOSE              cpu_to_le16(SMB2_CLOSE_HE)
70 #define SMB2_FLUSH              cpu_to_le16(SMB2_FLUSH_HE)
71 #define SMB2_READ               cpu_to_le16(SMB2_READ_HE)
72 #define SMB2_WRITE              cpu_to_le16(SMB2_WRITE_HE)
73 #define SMB2_LOCK               cpu_to_le16(SMB2_LOCK_HE)
74 #define SMB2_IOCTL              cpu_to_le16(SMB2_IOCTL_HE)
75 #define SMB2_CANCEL             cpu_to_le16(SMB2_CANCEL_HE)
76 #define SMB2_ECHO               cpu_to_le16(SMB2_ECHO_HE)
77 #define SMB2_QUERY_DIRECTORY    cpu_to_le16(SMB2_QUERY_DIRECTORY_HE)
78 #define SMB2_CHANGE_NOTIFY      cpu_to_le16(SMB2_CHANGE_NOTIFY_HE)
79 #define SMB2_QUERY_INFO         cpu_to_le16(SMB2_QUERY_INFO_HE)
80 #define SMB2_SET_INFO           cpu_to_le16(SMB2_SET_INFO_HE)
81 #define SMB2_OPLOCK_BREAK       cpu_to_le16(SMB2_OPLOCK_BREAK_HE)
82
83 #define NUMBER_OF_SMB2_COMMANDS 0x0013
84
85 /* BB FIXME - analyze following length BB */
86 #define MAX_SMB2_HDR_SIZE 0x78 /* 4 len + 64 hdr + (2*24 wct) + 2 bct + 2 pad */
87
88 #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe)
89
90 /*
91  * SMB2 Header Definition
92  *
93  * "MBZ" :  Must be Zero
94  * "BB"  :  BugBug, Something to check/review/analyze later
95  * "PDU" :  "Protocol Data Unit" (ie a network "frame")
96  *
97  */
98
99 #define SMB2_HEADER_STRUCTURE_SIZE cpu_to_le16(64)
100
101 struct smb2_hdr {
102         __be32 smb2_buf_length; /* big endian on wire */
103                                 /* length is only two or three bytes - with
104                                  one or two byte type preceding it that MBZ */
105         __u8   ProtocolId[4];   /* 0xFE 'S' 'M' 'B' */
106         __le16 StructureSize;   /* 64 */
107         __le16 CreditCharge;    /* MBZ */
108         __le32 Status;          /* Error from server */
109         __le16 Command;
110         __le16 CreditRequest;  /* CreditResponse */
111         __le32 Flags;
112         __le32 NextCommand;
113         __le64 MessageId;
114         __le32 ProcessId;
115         __u32  TreeId;          /* opaque - so do not make little endian */
116         __u64  SessionId;       /* opaque - so do not make little endian */
117         __u8   Signature[16];
118 } __packed;
119
120 struct smb2_pdu {
121         struct smb2_hdr hdr;
122         __le16 StructureSize2; /* size of wct area (varies, request specific) */
123 } __packed;
124
125 struct smb2_transform_hdr {
126         __be32 smb2_buf_length; /* big endian on wire */
127                                 /* length is only two or three bytes - with
128                                  one or two byte type preceding it that MBZ */
129         __u8   ProtocolId[4];   /* 0xFD 'S' 'M' 'B' */
130         __u8   Signature[16];
131         __u8   Nonce[11];
132         __u8   Reserved[5];
133         __le32 OriginalMessageSize;
134         __u16  Reserved1;
135         __le16 EncryptionAlgorithm;
136         __u64  SessionId;
137 } __packed;
138
139 /* Encryption Algorithms */
140 #define SMB2_ENCRYPTION_AES128_CCM      cpu_to_le16(0x0001)
141
142 /*
143  *      SMB2 flag definitions
144  */
145 #define SMB2_FLAGS_SERVER_TO_REDIR      cpu_to_le32(0x00000001)
146 #define SMB2_FLAGS_ASYNC_COMMAND        cpu_to_le32(0x00000002)
147 #define SMB2_FLAGS_RELATED_OPERATIONS   cpu_to_le32(0x00000004)
148 #define SMB2_FLAGS_SIGNED               cpu_to_le32(0x00000008)
149 #define SMB2_FLAGS_DFS_OPERATIONS       cpu_to_le32(0x10000000)
150
151 /*
152  *      Definitions for SMB2 Protocol Data Units (network frames)
153  *
154  *  See MS-SMB2.PDF specification for protocol details.
155  *  The Naming convention is the lower case version of the SMB2
156  *  command code name for the struct. Note that structures must be packed.
157  *
158  */
159
160 #define SMB2_ERROR_STRUCTURE_SIZE2 cpu_to_le16(9)
161
162 struct smb2_err_rsp {
163         struct smb2_hdr hdr;
164         __le16 StructureSize;
165         __le16 Reserved; /* MBZ */
166         __le32 ByteCount;  /* even if zero, at least one byte follows */
167         __u8   ErrorData[1];  /* variable length */
168 } __packed;
169
170 struct smb2_symlink_err_rsp {
171         __le32 SymLinkLength;
172         __le32 SymLinkErrorTag;
173         __le32 ReparseTag;
174         __le16 ReparseDataLength;
175         __le16 UnparsedPathLength;
176         __le16 SubstituteNameOffset;
177         __le16 SubstituteNameLength;
178         __le16 PrintNameOffset;
179         __le16 PrintNameLength;
180         __le32 Flags;
181         __u8  PathBuffer[0];
182 } __packed;
183
184 #define SMB2_CLIENT_GUID_SIZE 16
185
186 struct smb2_negotiate_req {
187         struct smb2_hdr hdr;
188         __le16 StructureSize; /* Must be 36 */
189         __le16 DialectCount;
190         __le16 SecurityMode;
191         __le16 Reserved;        /* MBZ */
192         __le32 Capabilities;
193         __u8   ClientGUID[SMB2_CLIENT_GUID_SIZE];
194         __le64 ClientStartTime; /* MBZ */
195         __le16 Dialects[1]; /* One dialect (vers=) at a time for now */
196 } __packed;
197
198 /* Dialects */
199 #define SMB20_PROT_ID 0x0202
200 #define SMB21_PROT_ID 0x0210
201 #define SMB30_PROT_ID 0x0300
202 #define SMB302_PROT_ID 0x0302
203 #define BAD_PROT_ID   0xFFFF
204
205 /* SecurityMode flags */
206 #define SMB2_NEGOTIATE_SIGNING_ENABLED  0x0001
207 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002
208 /* Capabilities flags */
209 #define SMB2_GLOBAL_CAP_DFS             0x00000001
210 #define SMB2_GLOBAL_CAP_LEASING         0x00000002 /* Resp only New to SMB2.1 */
211 #define SMB2_GLOBAL_CAP_LARGE_MTU       0X00000004 /* Resp only New to SMB2.1 */
212 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL   0x00000008 /* New to SMB3 */
213 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */
214 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING  0x00000020 /* New to SMB3 */
215 #define SMB2_GLOBAL_CAP_ENCRYPTION      0x00000040 /* New to SMB3 */
216 /* Internal types */
217 #define SMB2_NT_FIND                    0x00100000
218 #define SMB2_LARGE_FILES                0x00200000
219
220 struct smb2_negotiate_rsp {
221         struct smb2_hdr hdr;
222         __le16 StructureSize;   /* Must be 65 */
223         __le16 SecurityMode;
224         __le16 DialectRevision;
225         __le16 Reserved;        /* MBZ */
226         __u8   ServerGUID[16];
227         __le32 Capabilities;
228         __le32 MaxTransactSize;
229         __le32 MaxReadSize;
230         __le32 MaxWriteSize;
231         __le64 SystemTime;      /* MBZ */
232         __le64 ServerStartTime;
233         __le16 SecurityBufferOffset;
234         __le16 SecurityBufferLength;
235         __le32 Reserved2;       /* may be any value, ignore */
236         __u8   Buffer[1];       /* variable length GSS security buffer */
237 } __packed;
238
239 struct smb2_sess_setup_req {
240         struct smb2_hdr hdr;
241         __le16 StructureSize; /* Must be 25 */
242         __u8   VcNumber;
243         __u8   SecurityMode;
244         __le32 Capabilities;
245         __le32 Channel;
246         __le16 SecurityBufferOffset;
247         __le16 SecurityBufferLength;
248         __le64 PreviousSessionId;
249         __u8   Buffer[1];       /* variable length GSS security buffer */
250 } __packed;
251
252 /* Currently defined SessionFlags */
253 #define SMB2_SESSION_FLAG_IS_GUEST      0x0001
254 #define SMB2_SESSION_FLAG_IS_NULL       0x0002
255 #define SMB2_SESSION_FLAG_ENCRYPT_DATA  0x0004
256 struct smb2_sess_setup_rsp {
257         struct smb2_hdr hdr;
258         __le16 StructureSize; /* Must be 9 */
259         __le16 SessionFlags;
260         __le16 SecurityBufferOffset;
261         __le16 SecurityBufferLength;
262         __u8   Buffer[1];       /* variable length GSS security buffer */
263 } __packed;
264
265 struct smb2_logoff_req {
266         struct smb2_hdr hdr;
267         __le16 StructureSize;   /* Must be 4 */
268         __le16 Reserved;
269 } __packed;
270
271 struct smb2_logoff_rsp {
272         struct smb2_hdr hdr;
273         __le16 StructureSize;   /* Must be 4 */
274         __le16 Reserved;
275 } __packed;
276
277 struct smb2_tree_connect_req {
278         struct smb2_hdr hdr;
279         __le16 StructureSize;   /* Must be 9 */
280         __le16 Reserved;
281         __le16 PathOffset;
282         __le16 PathLength;
283         __u8   Buffer[1];       /* variable length */
284 } __packed;
285
286 struct smb2_tree_connect_rsp {
287         struct smb2_hdr hdr;
288         __le16 StructureSize;   /* Must be 16 */
289         __u8   ShareType;  /* see below */
290         __u8   Reserved;
291         __le32 ShareFlags; /* see below */
292         __le32 Capabilities; /* see below */
293         __le32 MaximalAccess;
294 } __packed;
295
296 /* Possible ShareType values */
297 #define SMB2_SHARE_TYPE_DISK    0x01
298 #define SMB2_SHARE_TYPE_PIPE    0x02
299 #define SMB2_SHARE_TYPE_PRINT   0x03
300
301 /*
302  * Possible ShareFlags - exactly one and only one of the first 4 caching flags
303  * must be set (any of the remaining, SHI1005, flags may be set individually
304  * or in combination.
305  */
306 #define SMB2_SHAREFLAG_MANUAL_CACHING                   0x00000000
307 #define SMB2_SHAREFLAG_AUTO_CACHING                     0x00000010
308 #define SMB2_SHAREFLAG_VDO_CACHING                      0x00000020
309 #define SMB2_SHAREFLAG_NO_CACHING                       0x00000030
310 #define SHI1005_FLAGS_DFS                               0x00000001
311 #define SHI1005_FLAGS_DFS_ROOT                          0x00000002
312 #define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS          0x00000100
313 #define SHI1005_FLAGS_FORCE_SHARED_DELETE               0x00000200
314 #define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING           0x00000400
315 #define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM       0x00000800
316 #define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK              0x00001000
317 #define SHI1005_FLAGS_ENABLE_HASH_V1                    0x00002000
318 #define SHI1005_FLAGS_ENABLE_HASH_V2                    0x00004000
319 #define SHI1005_FLAGS_ENCRYPT_DATA                      0x00008000
320 #define SHI1005_FLAGS_ALL                               0x0000FF33
321
322 /* Possible share capabilities */
323 #define SMB2_SHARE_CAP_DFS      cpu_to_le32(0x00000008) /* all dialects */
324 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */
325 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */
326 #define SMB2_SHARE_CAP_CLUSTER  cpu_to_le32(0x00000040) /* 3.0 */
327 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */
328
329 struct smb2_tree_disconnect_req {
330         struct smb2_hdr hdr;
331         __le16 StructureSize;   /* Must be 4 */
332         __le16 Reserved;
333 } __packed;
334
335 struct smb2_tree_disconnect_rsp {
336         struct smb2_hdr hdr;
337         __le16 StructureSize;   /* Must be 4 */
338         __le16 Reserved;
339 } __packed;
340
341 /* File Attrubutes */
342 #define FILE_ATTRIBUTE_READONLY                 0x00000001
343 #define FILE_ATTRIBUTE_HIDDEN                   0x00000002
344 #define FILE_ATTRIBUTE_SYSTEM                   0x00000004
345 #define FILE_ATTRIBUTE_DIRECTORY                0x00000010
346 #define FILE_ATTRIBUTE_ARCHIVE                  0x00000020
347 #define FILE_ATTRIBUTE_NORMAL                   0x00000080
348 #define FILE_ATTRIBUTE_TEMPORARY                0x00000100
349 #define FILE_ATTRIBUTE_SPARSE_FILE              0x00000200
350 #define FILE_ATTRIBUTE_REPARSE_POINT            0x00000400
351 #define FILE_ATTRIBUTE_COMPRESSED               0x00000800
352 #define FILE_ATTRIBUTE_OFFLINE                  0x00001000
353 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED      0x00002000
354 #define FILE_ATTRIBUTE_ENCRYPTED                0x00004000
355 #define FILE_ATTRIBUTE_INTEGRITY_STREAM         0x00008000
356 #define FILE_ATTRIBUTE_NO_SCRUB_DATA            0x00020000
357
358 /* Oplock levels */
359 #define SMB2_OPLOCK_LEVEL_NONE          0x00
360 #define SMB2_OPLOCK_LEVEL_II            0x01
361 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE     0x08
362 #define SMB2_OPLOCK_LEVEL_BATCH         0x09
363 #define SMB2_OPLOCK_LEVEL_LEASE         0xFF
364 /* Non-spec internal type */
365 #define SMB2_OPLOCK_LEVEL_NOCHANGE      0x99
366
367 /* Desired Access Flags */
368 #define FILE_READ_DATA_LE               cpu_to_le32(0x00000001)
369 #define FILE_WRITE_DATA_LE              cpu_to_le32(0x00000002)
370 #define FILE_APPEND_DATA_LE             cpu_to_le32(0x00000004)
371 #define FILE_READ_EA_LE                 cpu_to_le32(0x00000008)
372 #define FILE_WRITE_EA_LE                cpu_to_le32(0x00000010)
373 #define FILE_EXECUTE_LE                 cpu_to_le32(0x00000020)
374 #define FILE_READ_ATTRIBUTES_LE         cpu_to_le32(0x00000080)
375 #define FILE_WRITE_ATTRIBUTES_LE        cpu_to_le32(0x00000100)
376 #define FILE_DELETE_LE                  cpu_to_le32(0x00010000)
377 #define FILE_READ_CONTROL_LE            cpu_to_le32(0x00020000)
378 #define FILE_WRITE_DAC_LE               cpu_to_le32(0x00040000)
379 #define FILE_WRITE_OWNER_LE             cpu_to_le32(0x00080000)
380 #define FILE_SYNCHRONIZE_LE             cpu_to_le32(0x00100000)
381 #define FILE_ACCESS_SYSTEM_SECURITY_LE  cpu_to_le32(0x01000000)
382 #define FILE_MAXIMAL_ACCESS_LE          cpu_to_le32(0x02000000)
383 #define FILE_GENERIC_ALL_LE             cpu_to_le32(0x10000000)
384 #define FILE_GENERIC_EXECUTE_LE         cpu_to_le32(0x20000000)
385 #define FILE_GENERIC_WRITE_LE           cpu_to_le32(0x40000000)
386 #define FILE_GENERIC_READ_LE            cpu_to_le32(0x80000000)
387
388 /* ShareAccess Flags */
389 #define FILE_SHARE_READ_LE              cpu_to_le32(0x00000001)
390 #define FILE_SHARE_WRITE_LE             cpu_to_le32(0x00000002)
391 #define FILE_SHARE_DELETE_LE            cpu_to_le32(0x00000004)
392 #define FILE_SHARE_ALL_LE               cpu_to_le32(0x00000007)
393
394 /* CreateDisposition Flags */
395 #define FILE_SUPERSEDE_LE               cpu_to_le32(0x00000000)
396 #define FILE_OPEN_LE                    cpu_to_le32(0x00000001)
397 #define FILE_CREATE_LE                  cpu_to_le32(0x00000002)
398 #define FILE_OPEN_IF_LE                 cpu_to_le32(0x00000003)
399 #define FILE_OVERWRITE_LE               cpu_to_le32(0x00000004)
400 #define FILE_OVERWRITE_IF_LE            cpu_to_le32(0x00000005)
401
402 /* CreateOptions Flags */
403 #define FILE_DIRECTORY_FILE_LE          cpu_to_le32(0x00000001)
404 /* same as #define CREATE_NOT_FILE_LE   cpu_to_le32(0x00000001) */
405 #define FILE_WRITE_THROUGH_LE           cpu_to_le32(0x00000002)
406 #define FILE_SEQUENTIAL_ONLY_LE         cpu_to_le32(0x00000004)
407 #define FILE_NO_INTERMEDIATE_BUFFERRING_LE cpu_to_le32(0x00000008)
408 #define FILE_SYNCHRONOUS_IO_ALERT_LE    cpu_to_le32(0x00000010)
409 #define FILE_SYNCHRONOUS_IO_NON_ALERT_LE        cpu_to_le32(0x00000020)
410 #define FILE_NON_DIRECTORY_FILE_LE      cpu_to_le32(0x00000040)
411 #define FILE_COMPLETE_IF_OPLOCKED_LE    cpu_to_le32(0x00000100)
412 #define FILE_NO_EA_KNOWLEDGE_LE         cpu_to_le32(0x00000200)
413 #define FILE_RANDOM_ACCESS_LE           cpu_to_le32(0x00000800)
414 #define FILE_DELETE_ON_CLOSE_LE         cpu_to_le32(0x00001000)
415 #define FILE_OPEN_BY_FILE_ID_LE         cpu_to_le32(0x00002000)
416 #define FILE_OPEN_FOR_BACKUP_INTENT_LE  cpu_to_le32(0x00004000)
417 #define FILE_NO_COMPRESSION_LE          cpu_to_le32(0x00008000)
418 #define FILE_RESERVE_OPFILTER_LE        cpu_to_le32(0x00100000)
419 #define FILE_OPEN_REPARSE_POINT_LE      cpu_to_le32(0x00200000)
420 #define FILE_OPEN_NO_RECALL_LE          cpu_to_le32(0x00400000)
421 #define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000)
422
423 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \
424                         | FILE_READ_ATTRIBUTES_LE)
425 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \
426                         | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE)
427 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE)
428
429 /* Impersonation Levels */
430 #define IL_ANONYMOUS            cpu_to_le32(0x00000000)
431 #define IL_IDENTIFICATION       cpu_to_le32(0x00000001)
432 #define IL_IMPERSONATION        cpu_to_le32(0x00000002)
433 #define IL_DELEGATE             cpu_to_le32(0x00000003)
434
435 /* Create Context Values */
436 #define SMB2_CREATE_EA_BUFFER                   "ExtA" /* extended attributes */
437 #define SMB2_CREATE_SD_BUFFER                   "SecD" /* security descriptor */
438 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST      "DHnQ"
439 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT    "DHnC"
440 #define SMB2_CREATE_ALLOCATION_SIZE             "AISi"
441 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc"
442 #define SMB2_CREATE_TIMEWARP_REQUEST            "TWrp"
443 #define SMB2_CREATE_QUERY_ON_DISK_ID            "QFid"
444 #define SMB2_CREATE_REQUEST_LEASE               "RqLs"
445 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2   "DH2Q"
446 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C"
447 #define SMB2_CREATE_APP_INSTANCE_ID     0x45BCA66AEFA7F74A9008FA462E144D74
448 #define SVHDX_OPEN_DEVICE_CONTEXT       0x83CE6F1AD851E0986E34401CC9BCFCE9
449
450 struct smb2_create_req {
451         struct smb2_hdr hdr;
452         __le16 StructureSize;   /* Must be 57 */
453         __u8   SecurityFlags;
454         __u8   RequestedOplockLevel;
455         __le32 ImpersonationLevel;
456         __le64 SmbCreateFlags;
457         __le64 Reserved;
458         __le32 DesiredAccess;
459         __le32 FileAttributes;
460         __le32 ShareAccess;
461         __le32 CreateDisposition;
462         __le32 CreateOptions;
463         __le16 NameOffset;
464         __le16 NameLength;
465         __le32 CreateContextsOffset;
466         __le32 CreateContextsLength;
467         __u8   Buffer[0];
468 } __packed;
469
470 struct smb2_create_rsp {
471         struct smb2_hdr hdr;
472         __le16 StructureSize;   /* Must be 89 */
473         __u8   OplockLevel;
474         __u8   Reserved;
475         __le32 CreateAction;
476         __le64 CreationTime;
477         __le64 LastAccessTime;
478         __le64 LastWriteTime;
479         __le64 ChangeTime;
480         __le64 AllocationSize;
481         __le64 EndofFile;
482         __le32 FileAttributes;
483         __le32 Reserved2;
484         __u64  PersistentFileId; /* opaque endianness */
485         __u64  VolatileFileId; /* opaque endianness */
486         __le32 CreateContextsOffset;
487         __le32 CreateContextsLength;
488         __u8   Buffer[1];
489 } __packed;
490
491 struct create_context {
492         __le32 Next;
493         __le16 NameOffset;
494         __le16 NameLength;
495         __le16 Reserved;
496         __le16 DataOffset;
497         __le32 DataLength;
498         __u8 Buffer[0];
499 } __packed;
500
501 #define SMB2_LEASE_READ_CACHING_HE      0x01
502 #define SMB2_LEASE_HANDLE_CACHING_HE    0x02
503 #define SMB2_LEASE_WRITE_CACHING_HE     0x04
504
505 #define SMB2_LEASE_NONE                 cpu_to_le32(0x00)
506 #define SMB2_LEASE_READ_CACHING         cpu_to_le32(0x01)
507 #define SMB2_LEASE_HANDLE_CACHING       cpu_to_le32(0x02)
508 #define SMB2_LEASE_WRITE_CACHING        cpu_to_le32(0x04)
509
510 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x02)
511
512 #define SMB2_LEASE_KEY_SIZE 16
513
514 struct lease_context {
515         __le64 LeaseKeyLow;
516         __le64 LeaseKeyHigh;
517         __le32 LeaseState;
518         __le32 LeaseFlags;
519         __le64 LeaseDuration;
520 } __packed;
521
522 struct lease_context_v2 {
523         __le64 LeaseKeyLow;
524         __le64 LeaseKeyHigh;
525         __le32 LeaseState;
526         __le32 LeaseFlags;
527         __le64 LeaseDuration;
528         __le64 ParentLeaseKeyLow;
529         __le64 ParentLeaseKeyHigh;
530         __le16 Epoch;
531         __le16 Reserved;
532 } __packed;
533
534 struct create_lease {
535         struct create_context ccontext;
536         __u8   Name[8];
537         struct lease_context lcontext;
538 } __packed;
539
540 struct create_lease_v2 {
541         struct create_context ccontext;
542         __u8   Name[8];
543         struct lease_context_v2 lcontext;
544         __u8   Pad[4];
545 } __packed;
546
547 struct create_durable {
548         struct create_context ccontext;
549         __u8   Name[8];
550         union {
551                 __u8  Reserved[16];
552                 struct {
553                         __u64 PersistentFileId;
554                         __u64 VolatileFileId;
555                 } Fid;
556         } Data;
557 } __packed;
558
559 #define COPY_CHUNK_RES_KEY_SIZE 24
560 struct resume_key_req {
561         char ResumeKey[COPY_CHUNK_RES_KEY_SIZE];
562         __le32  ContextLength;  /* MBZ */
563         char    Context[0];     /* ignored, Windows sets to 4 bytes of zero */
564 } __packed;
565
566 /* this goes in the ioctl buffer when doing a copychunk request */
567 struct copychunk_ioctl {
568         char SourceKey[COPY_CHUNK_RES_KEY_SIZE];
569         __le32 ChunkCount; /* we are only sending 1 */
570         __le32 Reserved;
571         /* array will only be one chunk long for us */
572         __le64 SourceOffset;
573         __le64 TargetOffset;
574         __le32 Length; /* how many bytes to copy */
575         __u32 Reserved2;
576 } __packed;
577
578 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */
579 struct file_zero_data_information {
580         __le64  FileOffset;
581         __le64  BeyondFinalZero;
582 } __packed;
583
584 struct copychunk_ioctl_rsp {
585         __le32 ChunksWritten;
586         __le32 ChunkBytesWritten;
587         __le32 TotalBytesWritten;
588 } __packed;
589
590 struct validate_negotiate_info_req {
591         __le32 Capabilities;
592         __u8   Guid[SMB2_CLIENT_GUID_SIZE];
593         __le16 SecurityMode;
594         __le16 DialectCount;
595         __le16 Dialects[1]; /* dialect (someday maybe list) client asked for */
596 } __packed;
597
598 struct validate_negotiate_info_rsp {
599         __le32 Capabilities;
600         __u8   Guid[SMB2_CLIENT_GUID_SIZE];
601         __le16 SecurityMode;
602         __le16 Dialect; /* Dialect in use for the connection */
603 } __packed;
604
605 #define RSS_CAPABLE     0x00000001
606 #define RDMA_CAPABLE    0x00000002
607
608 struct network_interface_info_ioctl_rsp {
609         __le32 Next; /* next interface. zero if this is last one */
610         __le32 IfIndex;
611         __le32 Capability; /* RSS or RDMA Capable */
612         __le32 Reserved;
613         __le64 LinkSpeed;
614         char    SockAddr_Storage[128];
615 } __packed;
616
617 #define NO_FILE_ID 0xFFFFFFFFFFFFFFFFULL /* general ioctls to srv not to file */
618
619 struct compress_ioctl {
620         __le16 CompressionState; /* See cifspdu.h for possible flag values */
621 } __packed;
622
623 struct smb2_ioctl_req {
624         struct smb2_hdr hdr;
625         __le16 StructureSize;   /* Must be 57 */
626         __u16 Reserved;
627         __le32 CtlCode;
628         __u64  PersistentFileId; /* opaque endianness */
629         __u64  VolatileFileId; /* opaque endianness */
630         __le32 InputOffset;
631         __le32 InputCount;
632         __le32 MaxInputResponse;
633         __le32 OutputOffset;
634         __le32 OutputCount;
635         __le32 MaxOutputResponse;
636         __le32 Flags;
637         __u32  Reserved2;
638         __u8   Buffer[0];
639 } __packed;
640
641 struct smb2_ioctl_rsp {
642         struct smb2_hdr hdr;
643         __le16 StructureSize;   /* Must be 57 */
644         __u16 Reserved;
645         __le32 CtlCode;
646         __u64  PersistentFileId; /* opaque endianness */
647         __u64  VolatileFileId; /* opaque endianness */
648         __le32 InputOffset;
649         __le32 InputCount;
650         __le32 OutputOffset;
651         __le32 OutputCount;
652         __le32 Flags;
653         __u32  Reserved2;
654         /* char * buffer[] */
655 } __packed;
656
657 /* Currently defined values for close flags */
658 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB        cpu_to_le16(0x0001)
659 struct smb2_close_req {
660         struct smb2_hdr hdr;
661         __le16 StructureSize;   /* Must be 24 */
662         __le16 Flags;
663         __le32 Reserved;
664         __u64  PersistentFileId; /* opaque endianness */
665         __u64  VolatileFileId; /* opaque endianness */
666 } __packed;
667
668 struct smb2_close_rsp {
669         struct smb2_hdr hdr;
670         __le16 StructureSize; /* 60 */
671         __le16 Flags;
672         __le32 Reserved;
673         __le64 CreationTime;
674         __le64 LastAccessTime;
675         __le64 LastWriteTime;
676         __le64 ChangeTime;
677         __le64 AllocationSize;  /* Beginning of FILE_STANDARD_INFO equivalent */
678         __le64 EndOfFile;
679         __le32 Attributes;
680 } __packed;
681
682 struct smb2_flush_req {
683         struct smb2_hdr hdr;
684         __le16 StructureSize;   /* Must be 24 */
685         __le16 Reserved1;
686         __le32 Reserved2;
687         __u64  PersistentFileId; /* opaque endianness */
688         __u64  VolatileFileId; /* opaque endianness */
689 } __packed;
690
691 struct smb2_flush_rsp {
692         struct smb2_hdr hdr;
693         __le16 StructureSize;
694         __le16 Reserved;
695 } __packed;
696
697 /* For read request Flags field below, following flag is defined for SMB3.02 */
698 #define SMB2_READFLAG_READ_UNBUFFERED   0x01
699
700 /* Channel field for read and write: exactly one of following flags can be set*/
701 #define SMB2_CHANNEL_NONE               0x00000000
702 #define SMB2_CHANNEL_RDMA_V1            0x00000001 /* SMB3 or later */
703 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE 0x00000001 /* SMB3.02 or later */
704
705 struct smb2_read_req {
706         struct smb2_hdr hdr;
707         __le16 StructureSize; /* Must be 49 */
708         __u8   Padding; /* offset from start of SMB2 header to place read */
709         __u8   Flags; /* MBZ unless SMB3.02 or later */
710         __le32 Length;
711         __le64 Offset;
712         __u64  PersistentFileId; /* opaque endianness */
713         __u64  VolatileFileId; /* opaque endianness */
714         __le32 MinimumCount;
715         __le32 Channel; /* MBZ except for SMB3 or later */
716         __le32 RemainingBytes;
717         __le16 ReadChannelInfoOffset; /* Reserved MBZ */
718         __le16 ReadChannelInfoLength; /* Reserved MBZ */
719         __u8   Buffer[1];
720 } __packed;
721
722 struct smb2_read_rsp {
723         struct smb2_hdr hdr;
724         __le16 StructureSize; /* Must be 17 */
725         __u8   DataOffset;
726         __u8   Reserved;
727         __le32 DataLength;
728         __le32 DataRemaining;
729         __u32  Reserved2;
730         __u8   Buffer[1];
731 } __packed;
732
733 /* For write request Flags field below the following flags are defined: */
734 #define SMB2_WRITEFLAG_WRITE_THROUGH    0x00000001      /* SMB2.1 or later */
735 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002      /* SMB3.02 or later */
736
737 struct smb2_write_req {
738         struct smb2_hdr hdr;
739         __le16 StructureSize; /* Must be 49 */
740         __le16 DataOffset; /* offset from start of SMB2 header to write data */
741         __le32 Length;
742         __le64 Offset;
743         __u64  PersistentFileId; /* opaque endianness */
744         __u64  VolatileFileId; /* opaque endianness */
745         __le32 Channel; /* Reserved MBZ */
746         __le32 RemainingBytes;
747         __le16 WriteChannelInfoOffset; /* Reserved MBZ */
748         __le16 WriteChannelInfoLength; /* Reserved MBZ */
749         __le32 Flags;
750         __u8   Buffer[1];
751 } __packed;
752
753 struct smb2_write_rsp {
754         struct smb2_hdr hdr;
755         __le16 StructureSize; /* Must be 17 */
756         __u8   DataOffset;
757         __u8   Reserved;
758         __le32 DataLength;
759         __le32 DataRemaining;
760         __u32  Reserved2;
761         __u8   Buffer[1];
762 } __packed;
763
764 #define SMB2_LOCKFLAG_SHARED_LOCK       0x0001
765 #define SMB2_LOCKFLAG_EXCLUSIVE_LOCK    0x0002
766 #define SMB2_LOCKFLAG_UNLOCK            0x0004
767 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY  0x0010
768
769 struct smb2_lock_element {
770         __le64 Offset;
771         __le64 Length;
772         __le32 Flags;
773         __le32 Reserved;
774 } __packed;
775
776 struct smb2_lock_req {
777         struct smb2_hdr hdr;
778         __le16 StructureSize; /* Must be 48 */
779         __le16 LockCount;
780         __le32 Reserved;
781         __u64  PersistentFileId; /* opaque endianness */
782         __u64  VolatileFileId; /* opaque endianness */
783         /* Followed by at least one */
784         struct smb2_lock_element locks[1];
785 } __packed;
786
787 struct smb2_lock_rsp {
788         struct smb2_hdr hdr;
789         __le16 StructureSize; /* Must be 4 */
790         __le16 Reserved;
791 } __packed;
792
793 struct smb2_echo_req {
794         struct smb2_hdr hdr;
795         __le16 StructureSize;   /* Must be 4 */
796         __u16  Reserved;
797 } __packed;
798
799 struct smb2_echo_rsp {
800         struct smb2_hdr hdr;
801         __le16 StructureSize;   /* Must be 4 */
802         __u16  Reserved;
803 } __packed;
804
805 /* search (query_directory) Flags field */
806 #define SMB2_RESTART_SCANS              0x01
807 #define SMB2_RETURN_SINGLE_ENTRY        0x02
808 #define SMB2_INDEX_SPECIFIED            0x04
809 #define SMB2_REOPEN                     0x10
810
811 struct smb2_query_directory_req {
812         struct smb2_hdr hdr;
813         __le16 StructureSize; /* Must be 33 */
814         __u8   FileInformationClass;
815         __u8   Flags;
816         __le32 FileIndex;
817         __u64  PersistentFileId; /* opaque endianness */
818         __u64  VolatileFileId; /* opaque endianness */
819         __le16 FileNameOffset;
820         __le16 FileNameLength;
821         __le32 OutputBufferLength;
822         __u8   Buffer[1];
823 } __packed;
824
825 struct smb2_query_directory_rsp {
826         struct smb2_hdr hdr;
827         __le16 StructureSize; /* Must be 9 */
828         __le16 OutputBufferOffset;
829         __le32 OutputBufferLength;
830         __u8   Buffer[1];
831 } __packed;
832
833 /* Possible InfoType values */
834 #define SMB2_O_INFO_FILE        0x01
835 #define SMB2_O_INFO_FILESYSTEM  0x02
836 #define SMB2_O_INFO_SECURITY    0x03
837 #define SMB2_O_INFO_QUOTA       0x04
838
839 /* Security info type additionalinfo flags. See MS-SMB2 (2.2.37) or MS-DTYP */
840 #define OWNER_SECINFO   0x00000001
841 #define GROUP_SECINFO   0x00000002
842 #define DACL_SECINFO   0x00000004
843 #define SACL_SECINFO   0x00000008
844 #define LABEL_SECINFO   0x00000010
845 #define ATTRIBUTE_SECINFO   0x00000020
846 #define SCOPE_SECINFO   0x00000040
847 #define BACKUP_SECINFO   0x00010000
848 #define UNPROTECTED_SACL_SECINFO   0x10000000
849 #define UNPROTECTED_DACL_SECINFO   0x20000000
850 #define PROTECTED_SACL_SECINFO   0x40000000
851 #define PROTECTED_DACL_SECINFO   0x80000000
852
853 /* Flags used for FileFullEAinfo */
854 #define SL_RESTART_SCAN         0x00000001
855 #define SL_RETURN_SINGLE_ENTRY  0x00000002
856 #define SL_INDEX_SPECIFIED      0x00000004
857
858 struct smb2_query_info_req {
859         struct smb2_hdr hdr;
860         __le16 StructureSize; /* Must be 41 */
861         __u8   InfoType;
862         __u8   FileInfoClass;
863         __le32 OutputBufferLength;
864         __le16 InputBufferOffset;
865         __u16  Reserved;
866         __le32 InputBufferLength;
867         __le32 AdditionalInformation;
868         __le32 Flags;
869         __u64  PersistentFileId; /* opaque endianness */
870         __u64  VolatileFileId; /* opaque endianness */
871         __u8   Buffer[1];
872 } __packed;
873
874 struct smb2_query_info_rsp {
875         struct smb2_hdr hdr;
876         __le16 StructureSize; /* Must be 9 */
877         __le16 OutputBufferOffset;
878         __le32 OutputBufferLength;
879         __u8   Buffer[1];
880 } __packed;
881
882 struct smb2_set_info_req {
883         struct smb2_hdr hdr;
884         __le16 StructureSize; /* Must be 33 */
885         __u8   InfoType;
886         __u8   FileInfoClass;
887         __le32 BufferLength;
888         __le16 BufferOffset;
889         __u16  Reserved;
890         __le32 AdditionalInformation;
891         __u64  PersistentFileId; /* opaque endianness */
892         __u64  VolatileFileId; /* opaque endianness */
893         __u8   Buffer[1];
894 } __packed;
895
896 struct smb2_set_info_rsp {
897         struct smb2_hdr hdr;
898         __le16 StructureSize; /* Must be 2 */
899 } __packed;
900
901 struct smb2_oplock_break {
902         struct smb2_hdr hdr;
903         __le16 StructureSize; /* Must be 24 */
904         __u8   OplockLevel;
905         __u8   Reserved;
906         __le32 Reserved2;
907         __u64  PersistentFid;
908         __u64  VolatileFid;
909 } __packed;
910
911 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01)
912
913 struct smb2_lease_break {
914         struct smb2_hdr hdr;
915         __le16 StructureSize; /* Must be 44 */
916         __le16 Reserved;
917         __le32 Flags;
918         __u8   LeaseKey[16];
919         __le32 CurrentLeaseState;
920         __le32 NewLeaseState;
921         __le32 BreakReason;
922         __le32 AccessMaskHint;
923         __le32 ShareMaskHint;
924 } __packed;
925
926 struct smb2_lease_ack {
927         struct smb2_hdr hdr;
928         __le16 StructureSize; /* Must be 36 */
929         __le16 Reserved;
930         __le32 Flags;
931         __u8   LeaseKey[16];
932         __le32 LeaseState;
933         __le64 LeaseDuration;
934 } __packed;
935
936 /*
937  *      PDU infolevel structure definitions
938  *      BB consider moving to a different header
939  */
940
941 /* File System Information Classes */
942 #define FS_VOLUME_INFORMATION           1 /* Query */
943 #define FS_LABEL_INFORMATION            2 /* Local only */
944 #define FS_SIZE_INFORMATION             3 /* Query */
945 #define FS_DEVICE_INFORMATION           4 /* Query */
946 #define FS_ATTRIBUTE_INFORMATION        5 /* Query */
947 #define FS_CONTROL_INFORMATION          6 /* Query, Set */
948 #define FS_FULL_SIZE_INFORMATION        7 /* Query */
949 #define FS_OBJECT_ID_INFORMATION        8 /* Query, Set */
950 #define FS_DRIVER_PATH_INFORMATION      9 /* Local only */
951 #define FS_VOLUME_FLAGS_INFORMATION     10 /* Local only */
952 #define FS_SECTOR_SIZE_INFORMATION      11 /* SMB3 or later. Query */
953
954 struct smb2_fs_full_size_info {
955         __le64 TotalAllocationUnits;
956         __le64 CallerAvailableAllocationUnits;
957         __le64 ActualAvailableAllocationUnits;
958         __le32 SectorsPerAllocationUnit;
959         __le32 BytesPerSector;
960 } __packed;
961
962 #define SSINFO_FLAGS_ALIGNED_DEVICE             0x00000001
963 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002
964 #define SSINFO_FLAGS_NO_SEEK_PENALTY            0x00000004
965 #define SSINFO_FLAGS_TRIM_ENABLED               0x00000008
966
967 /* sector size info struct */
968 struct smb3_fs_ss_info {
969         __le32 LogicalBytesPerSector;
970         __le32 PhysicalBytesPerSectorForAtomicity;
971         __le32 PhysicalBytesPerSectorForPerf;
972         __le32 FileSystemEffectivePhysicalBytesPerSectorForAtomicity;
973         __le32 Flags;
974         __le32 ByteOffsetForSectorAlignment;
975         __le32 ByteOffsetForPartitionAlignment;
976 } __packed;
977
978 /* partial list of QUERY INFO levels */
979 #define FILE_DIRECTORY_INFORMATION      1
980 #define FILE_FULL_DIRECTORY_INFORMATION 2
981 #define FILE_BOTH_DIRECTORY_INFORMATION 3
982 #define FILE_BASIC_INFORMATION          4
983 #define FILE_STANDARD_INFORMATION       5
984 #define FILE_INTERNAL_INFORMATION       6
985 #define FILE_EA_INFORMATION             7
986 #define FILE_ACCESS_INFORMATION         8
987 #define FILE_NAME_INFORMATION           9
988 #define FILE_RENAME_INFORMATION         10
989 #define FILE_LINK_INFORMATION           11
990 #define FILE_NAMES_INFORMATION          12
991 #define FILE_DISPOSITION_INFORMATION    13
992 #define FILE_POSITION_INFORMATION       14
993 #define FILE_FULL_EA_INFORMATION        15
994 #define FILE_MODE_INFORMATION           16
995 #define FILE_ALIGNMENT_INFORMATION      17
996 #define FILE_ALL_INFORMATION            18
997 #define FILE_ALLOCATION_INFORMATION     19
998 #define FILE_END_OF_FILE_INFORMATION    20
999 #define FILE_ALTERNATE_NAME_INFORMATION 21
1000 #define FILE_STREAM_INFORMATION         22
1001 #define FILE_PIPE_INFORMATION           23
1002 #define FILE_PIPE_LOCAL_INFORMATION     24
1003 #define FILE_PIPE_REMOTE_INFORMATION    25
1004 #define FILE_MAILSLOT_QUERY_INFORMATION 26
1005 #define FILE_MAILSLOT_SET_INFORMATION   27
1006 #define FILE_COMPRESSION_INFORMATION    28
1007 #define FILE_OBJECT_ID_INFORMATION      29
1008 /* Number 30 not defined in documents */
1009 #define FILE_MOVE_CLUSTER_INFORMATION   31
1010 #define FILE_QUOTA_INFORMATION          32
1011 #define FILE_REPARSE_POINT_INFORMATION  33
1012 #define FILE_NETWORK_OPEN_INFORMATION   34
1013 #define FILE_ATTRIBUTE_TAG_INFORMATION  35
1014 #define FILE_TRACKING_INFORMATION       36
1015 #define FILEID_BOTH_DIRECTORY_INFORMATION 37
1016 #define FILEID_FULL_DIRECTORY_INFORMATION 38
1017 #define FILE_VALID_DATA_LENGTH_INFORMATION 39
1018 #define FILE_SHORT_NAME_INFORMATION     40
1019 #define FILE_SFIO_RESERVE_INFORMATION   44
1020 #define FILE_SFIO_VOLUME_INFORMATION    45
1021 #define FILE_HARD_LINK_INFORMATION      46
1022 #define FILE_NORMALIZED_NAME_INFORMATION 48
1023 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50
1024 #define FILE_STANDARD_LINK_INFORMATION  54
1025
1026 struct smb2_file_internal_info {
1027         __le64 IndexNumber;
1028 } __packed; /* level 6 Query */
1029
1030 struct smb2_file_rename_info { /* encoding of request for level 10 */
1031         __u8   ReplaceIfExists; /* 1 = replace existing target with new */
1032                                 /* 0 = fail if target already exists */
1033         __u8   Reserved[7];
1034         __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1035         __le32 FileNameLength;
1036         char   FileName[0];     /* New name to be assigned */
1037 } __packed; /* level 10 Set */
1038
1039 struct smb2_file_link_info { /* encoding of request for level 11 */
1040         __u8   ReplaceIfExists; /* 1 = replace existing link with new */
1041                                 /* 0 = fail if link already exists */
1042         __u8   Reserved[7];
1043         __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1044         __le32 FileNameLength;
1045         char   FileName[0];     /* Name to be assigned to new link */
1046 } __packed; /* level 11 Set */
1047
1048 /*
1049  * This level 18, although with struct with same name is different from cifs
1050  * level 0x107. Level 0x107 has an extra u64 between AccessFlags and
1051  * CurrentByteOffset.
1052  */
1053 struct smb2_file_all_info { /* data block encoding of response to level 18 */
1054         __le64 CreationTime;    /* Beginning of FILE_BASIC_INFO equivalent */
1055         __le64 LastAccessTime;
1056         __le64 LastWriteTime;
1057         __le64 ChangeTime;
1058         __le32 Attributes;
1059         __u32  Pad1;            /* End of FILE_BASIC_INFO_INFO equivalent */
1060         __le64 AllocationSize;  /* Beginning of FILE_STANDARD_INFO equivalent */
1061         __le64 EndOfFile;       /* size ie offset to first free byte in file */
1062         __le32 NumberOfLinks;   /* hard links */
1063         __u8   DeletePending;
1064         __u8   Directory;
1065         __u16  Pad2;            /* End of FILE_STANDARD_INFO equivalent */
1066         __le64 IndexNumber;
1067         __le32 EASize;
1068         __le32 AccessFlags;
1069         __le64 CurrentByteOffset;
1070         __le32 Mode;
1071         __le32 AlignmentRequirement;
1072         __le32 FileNameLength;
1073         char   FileName[1];
1074 } __packed; /* level 18 Query */
1075
1076 struct smb2_file_eof_info { /* encoding of request for level 10 */
1077         __le64 EndOfFile; /* new end of file value */
1078 } __packed; /* level 20 Set */
1079
1080 #endif                          /* _SMB2PDU_H */