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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 SMB2_INTERNAL_CMD	cpu_to_le16(0xFFFF)
84 
85 #define NUMBER_OF_SMB2_COMMANDS	0x0013
86 
87 /* 4 len + 52 transform hdr + 64 hdr + 56 create rsp */
88 #define MAX_SMB2_HDR_SIZE 0x00b0
89 
90 #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe)
91 #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd)
92 
93 /*
94  * SMB2 Header Definition
95  *
96  * "MBZ" :  Must be Zero
97  * "BB"  :  BugBug, Something to check/review/analyze later
98  * "PDU" :  "Protocol Data Unit" (ie a network "frame")
99  *
100  */
101 
102 #define SMB2_HEADER_STRUCTURE_SIZE cpu_to_le16(64)
103 
104 struct smb2_hdr {
105 	__be32 smb2_buf_length;	/* big endian on wire */
106 				/* length is only two or three bytes - with
107 				 one or two byte type preceding it that MBZ */
108 	__le32 ProtocolId;	/* 0xFE 'S' 'M' 'B' */
109 	__le16 StructureSize;	/* 64 */
110 	__le16 CreditCharge;	/* MBZ */
111 	__le32 Status;		/* Error from server */
112 	__le16 Command;
113 	__le16 CreditRequest;  /* CreditResponse */
114 	__le32 Flags;
115 	__le32 NextCommand;
116 	__le64 MessageId;
117 	__le32 ProcessId;
118 	__u32  TreeId;		/* opaque - so do not make little endian */
119 	__u64  SessionId;	/* opaque - so do not make little endian */
120 	__u8   Signature[16];
121 } __packed;
122 
123 struct smb2_pdu {
124 	struct smb2_hdr hdr;
125 	__le16 StructureSize2; /* size of wct area (varies, request specific) */
126 } __packed;
127 
128 struct smb2_transform_hdr {
129 	__be32 smb2_buf_length;	/* big endian on wire */
130 				/* length is only two or three bytes - with
131 				 one or two byte type preceding it that MBZ */
132 	__u8   ProtocolId[4];	/* 0xFD 'S' 'M' 'B' */
133 	__u8   Signature[16];
134 	__u8   Nonce[16];
135 	__le32 OriginalMessageSize;
136 	__u16  Reserved1;
137 	__le16 Flags; /* EncryptionAlgorithm */
138 	__u64  SessionId;
139 } __packed;
140 
141 /*
142  *	SMB2 flag definitions
143  */
144 #define SMB2_FLAGS_SERVER_TO_REDIR	cpu_to_le32(0x00000001)
145 #define SMB2_FLAGS_ASYNC_COMMAND	cpu_to_le32(0x00000002)
146 #define SMB2_FLAGS_RELATED_OPERATIONS	cpu_to_le32(0x00000004)
147 #define SMB2_FLAGS_SIGNED		cpu_to_le32(0x00000008)
148 #define SMB2_FLAGS_DFS_OPERATIONS	cpu_to_le32(0x10000000)
149 
150 /*
151  *	Definitions for SMB2 Protocol Data Units (network frames)
152  *
153  *  See MS-SMB2.PDF specification for protocol details.
154  *  The Naming convention is the lower case version of the SMB2
155  *  command code name for the struct. Note that structures must be packed.
156  *
157  */
158 
159 #define SMB2_ERROR_STRUCTURE_SIZE2 cpu_to_le16(9)
160 
161 struct smb2_err_rsp {
162 	struct smb2_hdr hdr;
163 	__le16 StructureSize;
164 	__le16 Reserved; /* MBZ */
165 	__le32 ByteCount;  /* even if zero, at least one byte follows */
166 	__u8   ErrorData[1];  /* variable length */
167 } __packed;
168 
169 struct smb2_symlink_err_rsp {
170 	__le32 SymLinkLength;
171 	__le32 SymLinkErrorTag;
172 	__le32 ReparseTag;
173 	__le16 ReparseDataLength;
174 	__le16 UnparsedPathLength;
175 	__le16 SubstituteNameOffset;
176 	__le16 SubstituteNameLength;
177 	__le16 PrintNameOffset;
178 	__le16 PrintNameLength;
179 	__le32 Flags;
180 	__u8  PathBuffer[0];
181 } __packed;
182 
183 #define SMB2_CLIENT_GUID_SIZE 16
184 
185 struct smb2_negotiate_req {
186 	struct smb2_hdr hdr;
187 	__le16 StructureSize; /* Must be 36 */
188 	__le16 DialectCount;
189 	__le16 SecurityMode;
190 	__le16 Reserved;	/* MBZ */
191 	__le32 Capabilities;
192 	__u8   ClientGUID[SMB2_CLIENT_GUID_SIZE];
193 	/* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */
194 	__le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */
195 	__le16 NegotiateContextCount;  /* SMB3.1.1 only. MBZ earlier */
196 	__le16 Reserved2;
197 	__le16 Dialects[1]; /* One dialect (vers=) at a time for now */
198 } __packed;
199 
200 /* Dialects */
201 #define SMB20_PROT_ID 0x0202
202 #define SMB21_PROT_ID 0x0210
203 #define SMB30_PROT_ID 0x0300
204 #define SMB302_PROT_ID 0x0302
205 #define SMB311_PROT_ID 0x0311
206 #define BAD_PROT_ID   0xFFFF
207 
208 /* SecurityMode flags */
209 #define	SMB2_NEGOTIATE_SIGNING_ENABLED	0x0001
210 #define SMB2_NEGOTIATE_SIGNING_REQUIRED	0x0002
211 /* Capabilities flags */
212 #define SMB2_GLOBAL_CAP_DFS		0x00000001
213 #define SMB2_GLOBAL_CAP_LEASING		0x00000002 /* Resp only New to SMB2.1 */
214 #define SMB2_GLOBAL_CAP_LARGE_MTU	0X00000004 /* Resp only New to SMB2.1 */
215 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL	0x00000008 /* New to SMB3 */
216 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */
217 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING  0x00000020 /* New to SMB3 */
218 #define SMB2_GLOBAL_CAP_ENCRYPTION	0x00000040 /* New to SMB3 */
219 /* Internal types */
220 #define SMB2_NT_FIND			0x00100000
221 #define SMB2_LARGE_FILES		0x00200000
222 
223 #define SMB311_SALT_SIZE			32
224 /* Hash Algorithm Types */
225 #define SMB2_PREAUTH_INTEGRITY_SHA512	cpu_to_le16(0x0001)
226 
227 struct smb2_preauth_neg_context {
228 	__le16	ContextType; /* 1 */
229 	__le16	DataLength;
230 	__le32	Reserved;
231 	__le16	HashAlgorithmCount; /* 1 */
232 	__le16	SaltLength;
233 	__le16	HashAlgorithms; /* HashAlgorithms[0] since only one defined */
234 	__u8	Salt[SMB311_SALT_SIZE];
235 } __packed;
236 
237 /* Encryption Algorithms Ciphers */
238 #define SMB2_ENCRYPTION_AES128_CCM	cpu_to_le16(0x0001)
239 #define SMB2_ENCRYPTION_AES128_GCM	cpu_to_le16(0x0002)
240 
241 struct smb2_encryption_neg_context {
242 	__le16	ContextType; /* 2 */
243 	__le16	DataLength;
244 	__le32	Reserved;
245 	__le16	CipherCount; /* AES-128-GCM and AES-128-CCM */
246 	__le16	Ciphers[2]; /* Ciphers[0] since only one used now */
247 } __packed;
248 
249 struct smb2_negotiate_rsp {
250 	struct smb2_hdr hdr;
251 	__le16 StructureSize;	/* Must be 65 */
252 	__le16 SecurityMode;
253 	__le16 DialectRevision;
254 	__le16 NegotiateContextCount;	/* Prior to SMB3.1.1 was Reserved & MBZ */
255 	__u8   ServerGUID[16];
256 	__le32 Capabilities;
257 	__le32 MaxTransactSize;
258 	__le32 MaxReadSize;
259 	__le32 MaxWriteSize;
260 	__le64 SystemTime;	/* MBZ */
261 	__le64 ServerStartTime;
262 	__le16 SecurityBufferOffset;
263 	__le16 SecurityBufferLength;
264 	__le32 NegotiateContextOffset;	/* Pre:SMB3.1.1 was reserved/ignored */
265 	__u8   Buffer[1];	/* variable length GSS security buffer */
266 } __packed;
267 
268 /* Flags */
269 #define SMB2_SESSION_REQ_FLAG_BINDING		0x01
270 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA	0x04
271 
272 struct smb2_sess_setup_req {
273 	struct smb2_hdr hdr;
274 	__le16 StructureSize; /* Must be 25 */
275 	__u8   Flags;
276 	__u8   SecurityMode;
277 	__le32 Capabilities;
278 	__le32 Channel;
279 	__le16 SecurityBufferOffset;
280 	__le16 SecurityBufferLength;
281 	__u64 PreviousSessionId;
282 	__u8   Buffer[1];	/* variable length GSS security buffer */
283 } __packed;
284 
285 /* Currently defined SessionFlags */
286 #define SMB2_SESSION_FLAG_IS_GUEST	0x0001
287 #define SMB2_SESSION_FLAG_IS_NULL	0x0002
288 #define SMB2_SESSION_FLAG_ENCRYPT_DATA	0x0004
289 struct smb2_sess_setup_rsp {
290 	struct smb2_hdr hdr;
291 	__le16 StructureSize; /* Must be 9 */
292 	__le16 SessionFlags;
293 	__le16 SecurityBufferOffset;
294 	__le16 SecurityBufferLength;
295 	__u8   Buffer[1];	/* variable length GSS security buffer */
296 } __packed;
297 
298 struct smb2_logoff_req {
299 	struct smb2_hdr hdr;
300 	__le16 StructureSize;	/* Must be 4 */
301 	__le16 Reserved;
302 } __packed;
303 
304 struct smb2_logoff_rsp {
305 	struct smb2_hdr hdr;
306 	__le16 StructureSize;	/* Must be 4 */
307 	__le16 Reserved;
308 } __packed;
309 
310 /* Flags/Reserved for SMB3.1.1 */
311 #define SMB2_SHAREFLAG_CLUSTER_RECONNECT	0x0001
312 
313 struct smb2_tree_connect_req {
314 	struct smb2_hdr hdr;
315 	__le16 StructureSize;	/* Must be 9 */
316 	__le16 Reserved; /* Flags in SMB3.1.1 */
317 	__le16 PathOffset;
318 	__le16 PathLength;
319 	__u8   Buffer[1];	/* variable length */
320 } __packed;
321 
322 struct smb2_tree_connect_rsp {
323 	struct smb2_hdr hdr;
324 	__le16 StructureSize;	/* Must be 16 */
325 	__u8   ShareType;  /* see below */
326 	__u8   Reserved;
327 	__le32 ShareFlags; /* see below */
328 	__le32 Capabilities; /* see below */
329 	__le32 MaximalAccess;
330 } __packed;
331 
332 /* Possible ShareType values */
333 #define SMB2_SHARE_TYPE_DISK	0x01
334 #define SMB2_SHARE_TYPE_PIPE	0x02
335 #define	SMB2_SHARE_TYPE_PRINT	0x03
336 
337 /*
338  * Possible ShareFlags - exactly one and only one of the first 4 caching flags
339  * must be set (any of the remaining, SHI1005, flags may be set individually
340  * or in combination.
341  */
342 #define SMB2_SHAREFLAG_MANUAL_CACHING			0x00000000
343 #define SMB2_SHAREFLAG_AUTO_CACHING			0x00000010
344 #define SMB2_SHAREFLAG_VDO_CACHING			0x00000020
345 #define SMB2_SHAREFLAG_NO_CACHING			0x00000030
346 #define SHI1005_FLAGS_DFS				0x00000001
347 #define SHI1005_FLAGS_DFS_ROOT				0x00000002
348 #define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS		0x00000100
349 #define SHI1005_FLAGS_FORCE_SHARED_DELETE		0x00000200
350 #define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING		0x00000400
351 #define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM	0x00000800
352 #define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK		0x00001000
353 #define SHI1005_FLAGS_ENABLE_HASH_V1			0x00002000
354 #define SHI1005_FLAGS_ENABLE_HASH_V2			0x00004000
355 #define SHI1005_FLAGS_ENCRYPT_DATA			0x00008000
356 #define SHI1005_FLAGS_ALL				0x0000FF33
357 
358 /* Possible share capabilities */
359 #define SMB2_SHARE_CAP_DFS	cpu_to_le32(0x00000008) /* all dialects */
360 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */
361 #define SMB2_SHARE_CAP_SCALEOUT	cpu_to_le32(0x00000020) /* 3.0 */
362 #define SMB2_SHARE_CAP_CLUSTER	cpu_to_le32(0x00000040) /* 3.0 */
363 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */
364 
365 struct smb2_tree_disconnect_req {
366 	struct smb2_hdr hdr;
367 	__le16 StructureSize;	/* Must be 4 */
368 	__le16 Reserved;
369 } __packed;
370 
371 struct smb2_tree_disconnect_rsp {
372 	struct smb2_hdr hdr;
373 	__le16 StructureSize;	/* Must be 4 */
374 	__le16 Reserved;
375 } __packed;
376 
377 /* File Attrubutes */
378 #define FILE_ATTRIBUTE_READONLY			0x00000001
379 #define FILE_ATTRIBUTE_HIDDEN			0x00000002
380 #define FILE_ATTRIBUTE_SYSTEM			0x00000004
381 #define FILE_ATTRIBUTE_DIRECTORY		0x00000010
382 #define FILE_ATTRIBUTE_ARCHIVE			0x00000020
383 #define FILE_ATTRIBUTE_NORMAL			0x00000080
384 #define FILE_ATTRIBUTE_TEMPORARY		0x00000100
385 #define FILE_ATTRIBUTE_SPARSE_FILE		0x00000200
386 #define FILE_ATTRIBUTE_REPARSE_POINT		0x00000400
387 #define FILE_ATTRIBUTE_COMPRESSED		0x00000800
388 #define FILE_ATTRIBUTE_OFFLINE			0x00001000
389 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED	0x00002000
390 #define FILE_ATTRIBUTE_ENCRYPTED		0x00004000
391 #define FILE_ATTRIBUTE_INTEGRITY_STREAM		0x00008000
392 #define FILE_ATTRIBUTE_NO_SCRUB_DATA		0x00020000
393 
394 /* Oplock levels */
395 #define SMB2_OPLOCK_LEVEL_NONE		0x00
396 #define SMB2_OPLOCK_LEVEL_II		0x01
397 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE	0x08
398 #define SMB2_OPLOCK_LEVEL_BATCH		0x09
399 #define SMB2_OPLOCK_LEVEL_LEASE		0xFF
400 /* Non-spec internal type */
401 #define SMB2_OPLOCK_LEVEL_NOCHANGE	0x99
402 
403 /* Desired Access Flags */
404 #define FILE_READ_DATA_LE		cpu_to_le32(0x00000001)
405 #define FILE_WRITE_DATA_LE		cpu_to_le32(0x00000002)
406 #define FILE_APPEND_DATA_LE		cpu_to_le32(0x00000004)
407 #define FILE_READ_EA_LE			cpu_to_le32(0x00000008)
408 #define FILE_WRITE_EA_LE		cpu_to_le32(0x00000010)
409 #define FILE_EXECUTE_LE			cpu_to_le32(0x00000020)
410 #define FILE_READ_ATTRIBUTES_LE		cpu_to_le32(0x00000080)
411 #define FILE_WRITE_ATTRIBUTES_LE	cpu_to_le32(0x00000100)
412 #define FILE_DELETE_LE			cpu_to_le32(0x00010000)
413 #define FILE_READ_CONTROL_LE		cpu_to_le32(0x00020000)
414 #define FILE_WRITE_DAC_LE		cpu_to_le32(0x00040000)
415 #define FILE_WRITE_OWNER_LE		cpu_to_le32(0x00080000)
416 #define FILE_SYNCHRONIZE_LE		cpu_to_le32(0x00100000)
417 #define FILE_ACCESS_SYSTEM_SECURITY_LE	cpu_to_le32(0x01000000)
418 #define FILE_MAXIMAL_ACCESS_LE		cpu_to_le32(0x02000000)
419 #define FILE_GENERIC_ALL_LE		cpu_to_le32(0x10000000)
420 #define FILE_GENERIC_EXECUTE_LE		cpu_to_le32(0x20000000)
421 #define FILE_GENERIC_WRITE_LE		cpu_to_le32(0x40000000)
422 #define FILE_GENERIC_READ_LE		cpu_to_le32(0x80000000)
423 
424 /* ShareAccess Flags */
425 #define FILE_SHARE_READ_LE		cpu_to_le32(0x00000001)
426 #define FILE_SHARE_WRITE_LE		cpu_to_le32(0x00000002)
427 #define FILE_SHARE_DELETE_LE		cpu_to_le32(0x00000004)
428 #define FILE_SHARE_ALL_LE		cpu_to_le32(0x00000007)
429 
430 /* CreateDisposition Flags */
431 #define FILE_SUPERSEDE_LE		cpu_to_le32(0x00000000)
432 #define FILE_OPEN_LE			cpu_to_le32(0x00000001)
433 #define FILE_CREATE_LE			cpu_to_le32(0x00000002)
434 #define	FILE_OPEN_IF_LE			cpu_to_le32(0x00000003)
435 #define FILE_OVERWRITE_LE		cpu_to_le32(0x00000004)
436 #define FILE_OVERWRITE_IF_LE		cpu_to_le32(0x00000005)
437 
438 /* CreateOptions Flags */
439 #define FILE_DIRECTORY_FILE_LE		cpu_to_le32(0x00000001)
440 /* same as #define CREATE_NOT_FILE_LE	cpu_to_le32(0x00000001) */
441 #define FILE_WRITE_THROUGH_LE		cpu_to_le32(0x00000002)
442 #define FILE_SEQUENTIAL_ONLY_LE		cpu_to_le32(0x00000004)
443 #define FILE_NO_INTERMEDIATE_BUFFERRING_LE cpu_to_le32(0x00000008)
444 #define FILE_SYNCHRONOUS_IO_ALERT_LE	cpu_to_le32(0x00000010)
445 #define FILE_SYNCHRONOUS_IO_NON_ALERT_LE	cpu_to_le32(0x00000020)
446 #define FILE_NON_DIRECTORY_FILE_LE	cpu_to_le32(0x00000040)
447 #define FILE_COMPLETE_IF_OPLOCKED_LE	cpu_to_le32(0x00000100)
448 #define FILE_NO_EA_KNOWLEDGE_LE		cpu_to_le32(0x00000200)
449 #define FILE_RANDOM_ACCESS_LE		cpu_to_le32(0x00000800)
450 #define FILE_DELETE_ON_CLOSE_LE		cpu_to_le32(0x00001000)
451 #define FILE_OPEN_BY_FILE_ID_LE		cpu_to_le32(0x00002000)
452 #define FILE_OPEN_FOR_BACKUP_INTENT_LE	cpu_to_le32(0x00004000)
453 #define FILE_NO_COMPRESSION_LE		cpu_to_le32(0x00008000)
454 #define FILE_RESERVE_OPFILTER_LE	cpu_to_le32(0x00100000)
455 #define FILE_OPEN_REPARSE_POINT_LE	cpu_to_le32(0x00200000)
456 #define FILE_OPEN_NO_RECALL_LE		cpu_to_le32(0x00400000)
457 #define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000)
458 
459 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \
460 			| FILE_READ_ATTRIBUTES_LE)
461 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \
462 			| FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE)
463 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE)
464 
465 /* Impersonation Levels */
466 #define IL_ANONYMOUS		cpu_to_le32(0x00000000)
467 #define IL_IDENTIFICATION	cpu_to_le32(0x00000001)
468 #define IL_IMPERSONATION	cpu_to_le32(0x00000002)
469 #define IL_DELEGATE		cpu_to_le32(0x00000003)
470 
471 /* Create Context Values */
472 #define SMB2_CREATE_EA_BUFFER			"ExtA" /* extended attributes */
473 #define SMB2_CREATE_SD_BUFFER			"SecD" /* security descriptor */
474 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST	"DHnQ"
475 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT	"DHnC"
476 #define SMB2_CREATE_ALLOCATION_SIZE		"AISi"
477 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc"
478 #define SMB2_CREATE_TIMEWARP_REQUEST		"TWrp"
479 #define SMB2_CREATE_QUERY_ON_DISK_ID		"QFid"
480 #define SMB2_CREATE_REQUEST_LEASE		"RqLs"
481 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2	"DH2Q"
482 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2	"DH2C"
483 #define SMB2_CREATE_APP_INSTANCE_ID	0x45BCA66AEFA7F74A9008FA462E144D74
484 #define SVHDX_OPEN_DEVICE_CONTEXT	0x83CE6F1AD851E0986E34401CC9BCFCE9
485 
486 struct smb2_create_req {
487 	struct smb2_hdr hdr;
488 	__le16 StructureSize;	/* Must be 57 */
489 	__u8   SecurityFlags;
490 	__u8   RequestedOplockLevel;
491 	__le32 ImpersonationLevel;
492 	__le64 SmbCreateFlags;
493 	__le64 Reserved;
494 	__le32 DesiredAccess;
495 	__le32 FileAttributes;
496 	__le32 ShareAccess;
497 	__le32 CreateDisposition;
498 	__le32 CreateOptions;
499 	__le16 NameOffset;
500 	__le16 NameLength;
501 	__le32 CreateContextsOffset;
502 	__le32 CreateContextsLength;
503 	__u8   Buffer[0];
504 } __packed;
505 
506 struct smb2_create_rsp {
507 	struct smb2_hdr hdr;
508 	__le16 StructureSize;	/* Must be 89 */
509 	__u8   OplockLevel;
510 	__u8   Reserved;
511 	__le32 CreateAction;
512 	__le64 CreationTime;
513 	__le64 LastAccessTime;
514 	__le64 LastWriteTime;
515 	__le64 ChangeTime;
516 	__le64 AllocationSize;
517 	__le64 EndofFile;
518 	__le32 FileAttributes;
519 	__le32 Reserved2;
520 	__u64  PersistentFileId; /* opaque endianness */
521 	__u64  VolatileFileId; /* opaque endianness */
522 	__le32 CreateContextsOffset;
523 	__le32 CreateContextsLength;
524 	__u8   Buffer[1];
525 } __packed;
526 
527 struct create_context {
528 	__le32 Next;
529 	__le16 NameOffset;
530 	__le16 NameLength;
531 	__le16 Reserved;
532 	__le16 DataOffset;
533 	__le32 DataLength;
534 	__u8 Buffer[0];
535 } __packed;
536 
537 #define SMB2_LEASE_READ_CACHING_HE	0x01
538 #define SMB2_LEASE_HANDLE_CACHING_HE	0x02
539 #define SMB2_LEASE_WRITE_CACHING_HE	0x04
540 
541 #define SMB2_LEASE_NONE			cpu_to_le32(0x00)
542 #define SMB2_LEASE_READ_CACHING		cpu_to_le32(0x01)
543 #define SMB2_LEASE_HANDLE_CACHING	cpu_to_le32(0x02)
544 #define SMB2_LEASE_WRITE_CACHING	cpu_to_le32(0x04)
545 
546 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x02)
547 
548 #define SMB2_LEASE_KEY_SIZE 16
549 
550 struct lease_context {
551 	__le64 LeaseKeyLow;
552 	__le64 LeaseKeyHigh;
553 	__le32 LeaseState;
554 	__le32 LeaseFlags;
555 	__le64 LeaseDuration;
556 } __packed;
557 
558 struct lease_context_v2 {
559 	__le64 LeaseKeyLow;
560 	__le64 LeaseKeyHigh;
561 	__le32 LeaseState;
562 	__le32 LeaseFlags;
563 	__le64 LeaseDuration;
564 	__le64 ParentLeaseKeyLow;
565 	__le64 ParentLeaseKeyHigh;
566 	__le16 Epoch;
567 	__le16 Reserved;
568 } __packed;
569 
570 struct create_lease {
571 	struct create_context ccontext;
572 	__u8   Name[8];
573 	struct lease_context lcontext;
574 } __packed;
575 
576 struct create_lease_v2 {
577 	struct create_context ccontext;
578 	__u8   Name[8];
579 	struct lease_context_v2 lcontext;
580 	__u8   Pad[4];
581 } __packed;
582 
583 struct create_durable {
584 	struct create_context ccontext;
585 	__u8   Name[8];
586 	union {
587 		__u8  Reserved[16];
588 		struct {
589 			__u64 PersistentFileId;
590 			__u64 VolatileFileId;
591 		} Fid;
592 	} Data;
593 } __packed;
594 
595 /* See MS-SMB2 2.2.13.2.11 */
596 /* Flags */
597 #define SMB2_DHANDLE_FLAG_PERSISTENT	0x00000002
598 struct durable_context_v2 {
599 	__le32 Timeout;
600 	__le32 Flags;
601 	__u64 Reserved;
602 	__u8 CreateGuid[16];
603 } __packed;
604 
605 struct create_durable_v2 {
606 	struct create_context ccontext;
607 	__u8   Name[8];
608 	struct durable_context_v2 dcontext;
609 } __packed;
610 
611 /* See MS-SMB2 2.2.13.2.12 */
612 struct durable_reconnect_context_v2 {
613 	struct {
614 		__u64 PersistentFileId;
615 		__u64 VolatileFileId;
616 	} Fid;
617 	__u8 CreateGuid[16];
618 	__le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
619 } __packed;
620 
621 /* See MS-SMB2 2.2.14.2.12 */
622 struct durable_reconnect_context_v2_rsp {
623 	__le32 Timeout;
624 	__le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
625 } __packed;
626 
627 struct create_durable_handle_reconnect_v2 {
628 	struct create_context ccontext;
629 	__u8   Name[8];
630 	struct durable_reconnect_context_v2 dcontext;
631 } __packed;
632 
633 #define COPY_CHUNK_RES_KEY_SIZE	24
634 struct resume_key_req {
635 	char ResumeKey[COPY_CHUNK_RES_KEY_SIZE];
636 	__le32	ContextLength;	/* MBZ */
637 	char	Context[0];	/* ignored, Windows sets to 4 bytes of zero */
638 } __packed;
639 
640 /* this goes in the ioctl buffer when doing a copychunk request */
641 struct copychunk_ioctl {
642 	char SourceKey[COPY_CHUNK_RES_KEY_SIZE];
643 	__le32 ChunkCount; /* we are only sending 1 */
644 	__le32 Reserved;
645 	/* array will only be one chunk long for us */
646 	__le64 SourceOffset;
647 	__le64 TargetOffset;
648 	__le32 Length; /* how many bytes to copy */
649 	__u32 Reserved2;
650 } __packed;
651 
652 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */
653 struct file_zero_data_information {
654 	__le64	FileOffset;
655 	__le64	BeyondFinalZero;
656 } __packed;
657 
658 struct copychunk_ioctl_rsp {
659 	__le32 ChunksWritten;
660 	__le32 ChunkBytesWritten;
661 	__le32 TotalBytesWritten;
662 } __packed;
663 
664 struct fsctl_set_integrity_information_req {
665 	__le16	ChecksumAlgorithm;
666 	__le16	Reserved;
667 	__le32	Flags;
668 } __packed;
669 
670 struct fsctl_get_integrity_information_rsp {
671 	__le16	ChecksumAlgorithm;
672 	__le16	Reserved;
673 	__le32	Flags;
674 	__le32	ChecksumChunkSizeInBytes;
675 	__le32	ClusterSizeInBytes;
676 } __packed;
677 
678 /* Integrity ChecksumAlgorithm choices for above */
679 #define	CHECKSUM_TYPE_NONE	0x0000
680 #define	CHECKSUM_TYPE_CRC64	0x0002
681 #define CHECKSUM_TYPE_UNCHANGED	0xFFFF	/* set only */
682 
683 /* Integrity flags for above */
684 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF	0x00000001
685 
686 /* See MS-SMB2 2.2.31.3 */
687 struct network_resiliency_req {
688 	__le32 Timeout;
689 	__le32 Reserved;
690 } __packed;
691 /* There is no buffer for the response ie no struct network_resiliency_rsp */
692 
693 
694 struct validate_negotiate_info_req {
695 	__le32 Capabilities;
696 	__u8   Guid[SMB2_CLIENT_GUID_SIZE];
697 	__le16 SecurityMode;
698 	__le16 DialectCount;
699 	__le16 Dialects[1]; /* dialect (someday maybe list) client asked for */
700 } __packed;
701 
702 struct validate_negotiate_info_rsp {
703 	__le32 Capabilities;
704 	__u8   Guid[SMB2_CLIENT_GUID_SIZE];
705 	__le16 SecurityMode;
706 	__le16 Dialect; /* Dialect in use for the connection */
707 } __packed;
708 
709 #define RSS_CAPABLE	0x00000001
710 #define RDMA_CAPABLE	0x00000002
711 
712 struct network_interface_info_ioctl_rsp {
713 	__le32 Next; /* next interface. zero if this is last one */
714 	__le32 IfIndex;
715 	__le32 Capability; /* RSS or RDMA Capable */
716 	__le32 Reserved;
717 	__le64 LinkSpeed;
718 	char	SockAddr_Storage[128];
719 } __packed;
720 
721 #define NO_FILE_ID 0xFFFFFFFFFFFFFFFFULL /* general ioctls to srv not to file */
722 
723 struct compress_ioctl {
724 	__le16 CompressionState; /* See cifspdu.h for possible flag values */
725 } __packed;
726 
727 struct duplicate_extents_to_file {
728 	__u64 PersistentFileHandle; /* source file handle, opaque endianness */
729 	__u64 VolatileFileHandle;
730 	__le64 SourceFileOffset;
731 	__le64 TargetFileOffset;
732 	__le64 ByteCount;  /* Bytes to be copied */
733 } __packed;
734 
735 struct smb2_ioctl_req {
736 	struct smb2_hdr hdr;
737 	__le16 StructureSize;	/* Must be 57 */
738 	__u16 Reserved;
739 	__le32 CtlCode;
740 	__u64  PersistentFileId; /* opaque endianness */
741 	__u64  VolatileFileId; /* opaque endianness */
742 	__le32 InputOffset;
743 	__le32 InputCount;
744 	__le32 MaxInputResponse;
745 	__le32 OutputOffset;
746 	__le32 OutputCount;
747 	__le32 MaxOutputResponse;
748 	__le32 Flags;
749 	__u32  Reserved2;
750 	__u8   Buffer[0];
751 } __packed;
752 
753 struct smb2_ioctl_rsp {
754 	struct smb2_hdr hdr;
755 	__le16 StructureSize;	/* Must be 57 */
756 	__u16 Reserved;
757 	__le32 CtlCode;
758 	__u64  PersistentFileId; /* opaque endianness */
759 	__u64  VolatileFileId; /* opaque endianness */
760 	__le32 InputOffset;
761 	__le32 InputCount;
762 	__le32 OutputOffset;
763 	__le32 OutputCount;
764 	__le32 Flags;
765 	__u32  Reserved2;
766 	/* char * buffer[] */
767 } __packed;
768 
769 /* Currently defined values for close flags */
770 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB	cpu_to_le16(0x0001)
771 struct smb2_close_req {
772 	struct smb2_hdr hdr;
773 	__le16 StructureSize;	/* Must be 24 */
774 	__le16 Flags;
775 	__le32 Reserved;
776 	__u64  PersistentFileId; /* opaque endianness */
777 	__u64  VolatileFileId; /* opaque endianness */
778 } __packed;
779 
780 struct smb2_close_rsp {
781 	struct smb2_hdr hdr;
782 	__le16 StructureSize; /* 60 */
783 	__le16 Flags;
784 	__le32 Reserved;
785 	__le64 CreationTime;
786 	__le64 LastAccessTime;
787 	__le64 LastWriteTime;
788 	__le64 ChangeTime;
789 	__le64 AllocationSize;	/* Beginning of FILE_STANDARD_INFO equivalent */
790 	__le64 EndOfFile;
791 	__le32 Attributes;
792 } __packed;
793 
794 struct smb2_flush_req {
795 	struct smb2_hdr hdr;
796 	__le16 StructureSize;	/* Must be 24 */
797 	__le16 Reserved1;
798 	__le32 Reserved2;
799 	__u64  PersistentFileId; /* opaque endianness */
800 	__u64  VolatileFileId; /* opaque endianness */
801 } __packed;
802 
803 struct smb2_flush_rsp {
804 	struct smb2_hdr hdr;
805 	__le16 StructureSize;
806 	__le16 Reserved;
807 } __packed;
808 
809 /* For read request Flags field below, following flag is defined for SMB3.02 */
810 #define SMB2_READFLAG_READ_UNBUFFERED	0x01
811 
812 /* Channel field for read and write: exactly one of following flags can be set*/
813 #define SMB2_CHANNEL_NONE		0x00000000
814 #define SMB2_CHANNEL_RDMA_V1		0x00000001 /* SMB3 or later */
815 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE 0x00000001 /* SMB3.02 or later */
816 
817 struct smb2_read_req {
818 	struct smb2_hdr hdr;
819 	__le16 StructureSize; /* Must be 49 */
820 	__u8   Padding; /* offset from start of SMB2 header to place read */
821 	__u8   Flags; /* MBZ unless SMB3.02 or later */
822 	__le32 Length;
823 	__le64 Offset;
824 	__u64  PersistentFileId; /* opaque endianness */
825 	__u64  VolatileFileId; /* opaque endianness */
826 	__le32 MinimumCount;
827 	__le32 Channel; /* MBZ except for SMB3 or later */
828 	__le32 RemainingBytes;
829 	__le16 ReadChannelInfoOffset; /* Reserved MBZ */
830 	__le16 ReadChannelInfoLength; /* Reserved MBZ */
831 	__u8   Buffer[1];
832 } __packed;
833 
834 struct smb2_read_rsp {
835 	struct smb2_hdr hdr;
836 	__le16 StructureSize; /* Must be 17 */
837 	__u8   DataOffset;
838 	__u8   Reserved;
839 	__le32 DataLength;
840 	__le32 DataRemaining;
841 	__u32  Reserved2;
842 	__u8   Buffer[1];
843 } __packed;
844 
845 /* For write request Flags field below the following flags are defined: */
846 #define SMB2_WRITEFLAG_WRITE_THROUGH	0x00000001	/* SMB2.1 or later */
847 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED	0x00000002	/* SMB3.02 or later */
848 
849 struct smb2_write_req {
850 	struct smb2_hdr hdr;
851 	__le16 StructureSize; /* Must be 49 */
852 	__le16 DataOffset; /* offset from start of SMB2 header to write data */
853 	__le32 Length;
854 	__le64 Offset;
855 	__u64  PersistentFileId; /* opaque endianness */
856 	__u64  VolatileFileId; /* opaque endianness */
857 	__le32 Channel; /* Reserved MBZ */
858 	__le32 RemainingBytes;
859 	__le16 WriteChannelInfoOffset; /* Reserved MBZ */
860 	__le16 WriteChannelInfoLength; /* Reserved MBZ */
861 	__le32 Flags;
862 	__u8   Buffer[1];
863 } __packed;
864 
865 struct smb2_write_rsp {
866 	struct smb2_hdr hdr;
867 	__le16 StructureSize; /* Must be 17 */
868 	__u8   DataOffset;
869 	__u8   Reserved;
870 	__le32 DataLength;
871 	__le32 DataRemaining;
872 	__u32  Reserved2;
873 	__u8   Buffer[1];
874 } __packed;
875 
876 #define SMB2_LOCKFLAG_SHARED_LOCK	0x0001
877 #define SMB2_LOCKFLAG_EXCLUSIVE_LOCK	0x0002
878 #define SMB2_LOCKFLAG_UNLOCK		0x0004
879 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY	0x0010
880 
881 struct smb2_lock_element {
882 	__le64 Offset;
883 	__le64 Length;
884 	__le32 Flags;
885 	__le32 Reserved;
886 } __packed;
887 
888 struct smb2_lock_req {
889 	struct smb2_hdr hdr;
890 	__le16 StructureSize; /* Must be 48 */
891 	__le16 LockCount;
892 	__le32 Reserved;
893 	__u64  PersistentFileId; /* opaque endianness */
894 	__u64  VolatileFileId; /* opaque endianness */
895 	/* Followed by at least one */
896 	struct smb2_lock_element locks[1];
897 } __packed;
898 
899 struct smb2_lock_rsp {
900 	struct smb2_hdr hdr;
901 	__le16 StructureSize; /* Must be 4 */
902 	__le16 Reserved;
903 } __packed;
904 
905 struct smb2_echo_req {
906 	struct smb2_hdr hdr;
907 	__le16 StructureSize;	/* Must be 4 */
908 	__u16  Reserved;
909 } __packed;
910 
911 struct smb2_echo_rsp {
912 	struct smb2_hdr hdr;
913 	__le16 StructureSize;	/* Must be 4 */
914 	__u16  Reserved;
915 } __packed;
916 
917 /* search (query_directory) Flags field */
918 #define SMB2_RESTART_SCANS		0x01
919 #define SMB2_RETURN_SINGLE_ENTRY	0x02
920 #define SMB2_INDEX_SPECIFIED		0x04
921 #define SMB2_REOPEN			0x10
922 
923 struct smb2_query_directory_req {
924 	struct smb2_hdr hdr;
925 	__le16 StructureSize; /* Must be 33 */
926 	__u8   FileInformationClass;
927 	__u8   Flags;
928 	__le32 FileIndex;
929 	__u64  PersistentFileId; /* opaque endianness */
930 	__u64  VolatileFileId; /* opaque endianness */
931 	__le16 FileNameOffset;
932 	__le16 FileNameLength;
933 	__le32 OutputBufferLength;
934 	__u8   Buffer[1];
935 } __packed;
936 
937 struct smb2_query_directory_rsp {
938 	struct smb2_hdr hdr;
939 	__le16 StructureSize; /* Must be 9 */
940 	__le16 OutputBufferOffset;
941 	__le32 OutputBufferLength;
942 	__u8   Buffer[1];
943 } __packed;
944 
945 /* Possible InfoType values */
946 #define SMB2_O_INFO_FILE	0x01
947 #define SMB2_O_INFO_FILESYSTEM	0x02
948 #define SMB2_O_INFO_SECURITY	0x03
949 #define SMB2_O_INFO_QUOTA	0x04
950 
951 /* Security info type additionalinfo flags. See MS-SMB2 (2.2.37) or MS-DTYP */
952 #define OWNER_SECINFO   0x00000001
953 #define GROUP_SECINFO   0x00000002
954 #define DACL_SECINFO   0x00000004
955 #define SACL_SECINFO   0x00000008
956 #define LABEL_SECINFO   0x00000010
957 #define ATTRIBUTE_SECINFO   0x00000020
958 #define SCOPE_SECINFO   0x00000040
959 #define BACKUP_SECINFO   0x00010000
960 #define UNPROTECTED_SACL_SECINFO   0x10000000
961 #define UNPROTECTED_DACL_SECINFO   0x20000000
962 #define PROTECTED_SACL_SECINFO   0x40000000
963 #define PROTECTED_DACL_SECINFO   0x80000000
964 
965 /* Flags used for FileFullEAinfo */
966 #define SL_RESTART_SCAN		0x00000001
967 #define SL_RETURN_SINGLE_ENTRY	0x00000002
968 #define SL_INDEX_SPECIFIED	0x00000004
969 
970 struct smb2_query_info_req {
971 	struct smb2_hdr hdr;
972 	__le16 StructureSize; /* Must be 41 */
973 	__u8   InfoType;
974 	__u8   FileInfoClass;
975 	__le32 OutputBufferLength;
976 	__le16 InputBufferOffset;
977 	__u16  Reserved;
978 	__le32 InputBufferLength;
979 	__le32 AdditionalInformation;
980 	__le32 Flags;
981 	__u64  PersistentFileId; /* opaque endianness */
982 	__u64  VolatileFileId; /* opaque endianness */
983 	__u8   Buffer[1];
984 } __packed;
985 
986 struct smb2_query_info_rsp {
987 	struct smb2_hdr hdr;
988 	__le16 StructureSize; /* Must be 9 */
989 	__le16 OutputBufferOffset;
990 	__le32 OutputBufferLength;
991 	__u8   Buffer[1];
992 } __packed;
993 
994 struct smb2_set_info_req {
995 	struct smb2_hdr hdr;
996 	__le16 StructureSize; /* Must be 33 */
997 	__u8   InfoType;
998 	__u8   FileInfoClass;
999 	__le32 BufferLength;
1000 	__le16 BufferOffset;
1001 	__u16  Reserved;
1002 	__le32 AdditionalInformation;
1003 	__u64  PersistentFileId; /* opaque endianness */
1004 	__u64  VolatileFileId; /* opaque endianness */
1005 	__u8   Buffer[1];
1006 } __packed;
1007 
1008 struct smb2_set_info_rsp {
1009 	struct smb2_hdr hdr;
1010 	__le16 StructureSize; /* Must be 2 */
1011 } __packed;
1012 
1013 struct smb2_oplock_break {
1014 	struct smb2_hdr hdr;
1015 	__le16 StructureSize; /* Must be 24 */
1016 	__u8   OplockLevel;
1017 	__u8   Reserved;
1018 	__le32 Reserved2;
1019 	__u64  PersistentFid;
1020 	__u64  VolatileFid;
1021 } __packed;
1022 
1023 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01)
1024 
1025 struct smb2_lease_break {
1026 	struct smb2_hdr hdr;
1027 	__le16 StructureSize; /* Must be 44 */
1028 	__le16 Reserved;
1029 	__le32 Flags;
1030 	__u8   LeaseKey[16];
1031 	__le32 CurrentLeaseState;
1032 	__le32 NewLeaseState;
1033 	__le32 BreakReason;
1034 	__le32 AccessMaskHint;
1035 	__le32 ShareMaskHint;
1036 } __packed;
1037 
1038 struct smb2_lease_ack {
1039 	struct smb2_hdr hdr;
1040 	__le16 StructureSize; /* Must be 36 */
1041 	__le16 Reserved;
1042 	__le32 Flags;
1043 	__u8   LeaseKey[16];
1044 	__le32 LeaseState;
1045 	__le64 LeaseDuration;
1046 } __packed;
1047 
1048 /*
1049  *	PDU infolevel structure definitions
1050  *	BB consider moving to a different header
1051  */
1052 
1053 /* File System Information Classes */
1054 #define FS_VOLUME_INFORMATION		1 /* Query */
1055 #define FS_LABEL_INFORMATION		2 /* Local only */
1056 #define FS_SIZE_INFORMATION		3 /* Query */
1057 #define FS_DEVICE_INFORMATION		4 /* Query */
1058 #define FS_ATTRIBUTE_INFORMATION	5 /* Query */
1059 #define FS_CONTROL_INFORMATION		6 /* Query, Set */
1060 #define FS_FULL_SIZE_INFORMATION	7 /* Query */
1061 #define FS_OBJECT_ID_INFORMATION	8 /* Query, Set */
1062 #define FS_DRIVER_PATH_INFORMATION	9 /* Local only */
1063 #define FS_VOLUME_FLAGS_INFORMATION	10 /* Local only */
1064 #define FS_SECTOR_SIZE_INFORMATION	11 /* SMB3 or later. Query */
1065 
1066 struct smb2_fs_full_size_info {
1067 	__le64 TotalAllocationUnits;
1068 	__le64 CallerAvailableAllocationUnits;
1069 	__le64 ActualAvailableAllocationUnits;
1070 	__le32 SectorsPerAllocationUnit;
1071 	__le32 BytesPerSector;
1072 } __packed;
1073 
1074 #define SSINFO_FLAGS_ALIGNED_DEVICE		0x00000001
1075 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002
1076 #define SSINFO_FLAGS_NO_SEEK_PENALTY		0x00000004
1077 #define SSINFO_FLAGS_TRIM_ENABLED		0x00000008
1078 
1079 /* sector size info struct */
1080 struct smb3_fs_ss_info {
1081 	__le32 LogicalBytesPerSector;
1082 	__le32 PhysicalBytesPerSectorForAtomicity;
1083 	__le32 PhysicalBytesPerSectorForPerf;
1084 	__le32 FileSystemEffectivePhysicalBytesPerSectorForAtomicity;
1085 	__le32 Flags;
1086 	__le32 ByteOffsetForSectorAlignment;
1087 	__le32 ByteOffsetForPartitionAlignment;
1088 } __packed;
1089 
1090 /* partial list of QUERY INFO levels */
1091 #define FILE_DIRECTORY_INFORMATION	1
1092 #define FILE_FULL_DIRECTORY_INFORMATION 2
1093 #define FILE_BOTH_DIRECTORY_INFORMATION 3
1094 #define FILE_BASIC_INFORMATION		4
1095 #define FILE_STANDARD_INFORMATION	5
1096 #define FILE_INTERNAL_INFORMATION	6
1097 #define FILE_EA_INFORMATION	        7
1098 #define FILE_ACCESS_INFORMATION		8
1099 #define FILE_NAME_INFORMATION		9
1100 #define FILE_RENAME_INFORMATION		10
1101 #define FILE_LINK_INFORMATION		11
1102 #define FILE_NAMES_INFORMATION		12
1103 #define FILE_DISPOSITION_INFORMATION	13
1104 #define FILE_POSITION_INFORMATION	14
1105 #define FILE_FULL_EA_INFORMATION	15
1106 #define FILE_MODE_INFORMATION		16
1107 #define FILE_ALIGNMENT_INFORMATION	17
1108 #define FILE_ALL_INFORMATION		18
1109 #define FILE_ALLOCATION_INFORMATION	19
1110 #define FILE_END_OF_FILE_INFORMATION	20
1111 #define FILE_ALTERNATE_NAME_INFORMATION 21
1112 #define FILE_STREAM_INFORMATION		22
1113 #define FILE_PIPE_INFORMATION		23
1114 #define FILE_PIPE_LOCAL_INFORMATION	24
1115 #define FILE_PIPE_REMOTE_INFORMATION	25
1116 #define FILE_MAILSLOT_QUERY_INFORMATION 26
1117 #define FILE_MAILSLOT_SET_INFORMATION	27
1118 #define FILE_COMPRESSION_INFORMATION	28
1119 #define FILE_OBJECT_ID_INFORMATION	29
1120 /* Number 30 not defined in documents */
1121 #define FILE_MOVE_CLUSTER_INFORMATION	31
1122 #define FILE_QUOTA_INFORMATION		32
1123 #define FILE_REPARSE_POINT_INFORMATION	33
1124 #define FILE_NETWORK_OPEN_INFORMATION	34
1125 #define FILE_ATTRIBUTE_TAG_INFORMATION	35
1126 #define FILE_TRACKING_INFORMATION	36
1127 #define FILEID_BOTH_DIRECTORY_INFORMATION 37
1128 #define FILEID_FULL_DIRECTORY_INFORMATION 38
1129 #define FILE_VALID_DATA_LENGTH_INFORMATION 39
1130 #define FILE_SHORT_NAME_INFORMATION	40
1131 #define FILE_SFIO_RESERVE_INFORMATION	44
1132 #define FILE_SFIO_VOLUME_INFORMATION	45
1133 #define FILE_HARD_LINK_INFORMATION	46
1134 #define FILE_NORMALIZED_NAME_INFORMATION 48
1135 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50
1136 #define FILE_STANDARD_LINK_INFORMATION	54
1137 
1138 struct smb2_file_internal_info {
1139 	__le64 IndexNumber;
1140 } __packed; /* level 6 Query */
1141 
1142 struct smb2_file_rename_info { /* encoding of request for level 10 */
1143 	__u8   ReplaceIfExists; /* 1 = replace existing target with new */
1144 				/* 0 = fail if target already exists */
1145 	__u8   Reserved[7];
1146 	__u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1147 	__le32 FileNameLength;
1148 	char   FileName[0];     /* New name to be assigned */
1149 } __packed; /* level 10 Set */
1150 
1151 struct smb2_file_link_info { /* encoding of request for level 11 */
1152 	__u8   ReplaceIfExists; /* 1 = replace existing link with new */
1153 				/* 0 = fail if link already exists */
1154 	__u8   Reserved[7];
1155 	__u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1156 	__le32 FileNameLength;
1157 	char   FileName[0];     /* Name to be assigned to new link */
1158 } __packed; /* level 11 Set */
1159 
1160 /*
1161  * This level 18, although with struct with same name is different from cifs
1162  * level 0x107. Level 0x107 has an extra u64 between AccessFlags and
1163  * CurrentByteOffset.
1164  */
1165 struct smb2_file_all_info { /* data block encoding of response to level 18 */
1166 	__le64 CreationTime;	/* Beginning of FILE_BASIC_INFO equivalent */
1167 	__le64 LastAccessTime;
1168 	__le64 LastWriteTime;
1169 	__le64 ChangeTime;
1170 	__le32 Attributes;
1171 	__u32  Pad1;		/* End of FILE_BASIC_INFO_INFO equivalent */
1172 	__le64 AllocationSize;	/* Beginning of FILE_STANDARD_INFO equivalent */
1173 	__le64 EndOfFile;	/* size ie offset to first free byte in file */
1174 	__le32 NumberOfLinks;	/* hard links */
1175 	__u8   DeletePending;
1176 	__u8   Directory;
1177 	__u16  Pad2;		/* End of FILE_STANDARD_INFO equivalent */
1178 	__le64 IndexNumber;
1179 	__le32 EASize;
1180 	__le32 AccessFlags;
1181 	__le64 CurrentByteOffset;
1182 	__le32 Mode;
1183 	__le32 AlignmentRequirement;
1184 	__le32 FileNameLength;
1185 	char   FileName[1];
1186 } __packed; /* level 18 Query */
1187 
1188 struct smb2_file_eof_info { /* encoding of request for level 10 */
1189 	__le64 EndOfFile; /* new end of file value */
1190 } __packed; /* level 20 Set */
1191 
1192 #endif				/* _SMB2PDU_H */
1193