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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  /* 52 transform hdr + 64 hdr + 88 create rsp */
88  #define MAX_SMB2_HDR_SIZE 204
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_sync_hdr {
105  	__le32 ProtocolId;	/* 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_sync_pdu {
121  	struct smb2_sync_hdr sync_hdr;
122  	__le16 StructureSize2; /* size of wct area (varies, request specific) */
123  } __packed;
124  
125  struct smb2_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  	struct smb2_sync_hdr sync_hdr;
130  } __packed;
131  
132  struct smb2_pdu {
133  	struct smb2_hdr hdr;
134  	__le16 StructureSize2; /* size of wct area (varies, request specific) */
135  } __packed;
136  
137  #define SMB3_AES128CMM_NONCE 11
138  #define SMB3_AES128GCM_NONCE 12
139  
140  struct smb2_transform_hdr {
141  	__be32 smb2_buf_length;	/* big endian on wire */
142  				/* length is only two or three bytes - with
143  				 one or two byte type preceding it that MBZ */
144  	__le32 ProtocolId;	/* 0xFD 'S' 'M' 'B' */
145  	__u8   Signature[16];
146  	__u8   Nonce[16];
147  	__le32 OriginalMessageSize;
148  	__u16  Reserved1;
149  	__le16 Flags; /* EncryptionAlgorithm */
150  	__u64  SessionId;
151  } __packed;
152  
153  /*
154   *	SMB2 flag definitions
155   */
156  #define SMB2_FLAGS_SERVER_TO_REDIR	cpu_to_le32(0x00000001)
157  #define SMB2_FLAGS_ASYNC_COMMAND	cpu_to_le32(0x00000002)
158  #define SMB2_FLAGS_RELATED_OPERATIONS	cpu_to_le32(0x00000004)
159  #define SMB2_FLAGS_SIGNED		cpu_to_le32(0x00000008)
160  #define SMB2_FLAGS_DFS_OPERATIONS	cpu_to_le32(0x10000000)
161  
162  /*
163   *	Definitions for SMB2 Protocol Data Units (network frames)
164   *
165   *  See MS-SMB2.PDF specification for protocol details.
166   *  The Naming convention is the lower case version of the SMB2
167   *  command code name for the struct. Note that structures must be packed.
168   *
169   */
170  
171  #define SMB2_ERROR_STRUCTURE_SIZE2 cpu_to_le16(9)
172  
173  struct smb2_err_rsp {
174  	struct smb2_hdr hdr;
175  	__le16 StructureSize;
176  	__le16 Reserved; /* MBZ */
177  	__le32 ByteCount;  /* even if zero, at least one byte follows */
178  	__u8   ErrorData[1];  /* variable length */
179  } __packed;
180  
181  struct smb2_symlink_err_rsp {
182  	__le32 SymLinkLength;
183  	__le32 SymLinkErrorTag;
184  	__le32 ReparseTag;
185  	__le16 ReparseDataLength;
186  	__le16 UnparsedPathLength;
187  	__le16 SubstituteNameOffset;
188  	__le16 SubstituteNameLength;
189  	__le16 PrintNameOffset;
190  	__le16 PrintNameLength;
191  	__le32 Flags;
192  	__u8  PathBuffer[0];
193  } __packed;
194  
195  #define SMB2_CLIENT_GUID_SIZE 16
196  
197  struct smb2_negotiate_req {
198  	struct smb2_hdr hdr;
199  	__le16 StructureSize; /* Must be 36 */
200  	__le16 DialectCount;
201  	__le16 SecurityMode;
202  	__le16 Reserved;	/* MBZ */
203  	__le32 Capabilities;
204  	__u8   ClientGUID[SMB2_CLIENT_GUID_SIZE];
205  	/* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */
206  	__le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */
207  	__le16 NegotiateContextCount;  /* SMB3.1.1 only. MBZ earlier */
208  	__le16 Reserved2;
209  	__le16 Dialects[1]; /* One dialect (vers=) at a time for now */
210  } __packed;
211  
212  /* Dialects */
213  #define SMB20_PROT_ID 0x0202
214  #define SMB21_PROT_ID 0x0210
215  #define SMB30_PROT_ID 0x0300
216  #define SMB302_PROT_ID 0x0302
217  #define SMB311_PROT_ID 0x0311
218  #define BAD_PROT_ID   0xFFFF
219  
220  /* SecurityMode flags */
221  #define	SMB2_NEGOTIATE_SIGNING_ENABLED	0x0001
222  #define SMB2_NEGOTIATE_SIGNING_REQUIRED	0x0002
223  /* Capabilities flags */
224  #define SMB2_GLOBAL_CAP_DFS		0x00000001
225  #define SMB2_GLOBAL_CAP_LEASING		0x00000002 /* Resp only New to SMB2.1 */
226  #define SMB2_GLOBAL_CAP_LARGE_MTU	0X00000004 /* Resp only New to SMB2.1 */
227  #define SMB2_GLOBAL_CAP_MULTI_CHANNEL	0x00000008 /* New to SMB3 */
228  #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */
229  #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING  0x00000020 /* New to SMB3 */
230  #define SMB2_GLOBAL_CAP_ENCRYPTION	0x00000040 /* New to SMB3 */
231  /* Internal types */
232  #define SMB2_NT_FIND			0x00100000
233  #define SMB2_LARGE_FILES		0x00200000
234  
235  #define SMB311_SALT_SIZE			32
236  /* Hash Algorithm Types */
237  #define SMB2_PREAUTH_INTEGRITY_SHA512	cpu_to_le16(0x0001)
238  
239  struct smb2_preauth_neg_context {
240  	__le16	ContextType; /* 1 */
241  	__le16	DataLength;
242  	__le32	Reserved;
243  	__le16	HashAlgorithmCount; /* 1 */
244  	__le16	SaltLength;
245  	__le16	HashAlgorithms; /* HashAlgorithms[0] since only one defined */
246  	__u8	Salt[SMB311_SALT_SIZE];
247  } __packed;
248  
249  /* Encryption Algorithms Ciphers */
250  #define SMB2_ENCRYPTION_AES128_CCM	cpu_to_le16(0x0001)
251  #define SMB2_ENCRYPTION_AES128_GCM	cpu_to_le16(0x0002)
252  
253  struct smb2_encryption_neg_context {
254  	__le16	ContextType; /* 2 */
255  	__le16	DataLength;
256  	__le32	Reserved;
257  	__le16	CipherCount; /* AES-128-GCM and AES-128-CCM */
258  	__le16	Ciphers[2]; /* Ciphers[0] since only one used now */
259  } __packed;
260  
261  struct smb2_negotiate_rsp {
262  	struct smb2_hdr hdr;
263  	__le16 StructureSize;	/* Must be 65 */
264  	__le16 SecurityMode;
265  	__le16 DialectRevision;
266  	__le16 NegotiateContextCount;	/* Prior to SMB3.1.1 was Reserved & MBZ */
267  	__u8   ServerGUID[16];
268  	__le32 Capabilities;
269  	__le32 MaxTransactSize;
270  	__le32 MaxReadSize;
271  	__le32 MaxWriteSize;
272  	__le64 SystemTime;	/* MBZ */
273  	__le64 ServerStartTime;
274  	__le16 SecurityBufferOffset;
275  	__le16 SecurityBufferLength;
276  	__le32 NegotiateContextOffset;	/* Pre:SMB3.1.1 was reserved/ignored */
277  	__u8   Buffer[1];	/* variable length GSS security buffer */
278  } __packed;
279  
280  /* Flags */
281  #define SMB2_SESSION_REQ_FLAG_BINDING		0x01
282  #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA	0x04
283  
284  struct smb2_sess_setup_req {
285  	struct smb2_hdr hdr;
286  	__le16 StructureSize; /* Must be 25 */
287  	__u8   Flags;
288  	__u8   SecurityMode;
289  	__le32 Capabilities;
290  	__le32 Channel;
291  	__le16 SecurityBufferOffset;
292  	__le16 SecurityBufferLength;
293  	__u64 PreviousSessionId;
294  	__u8   Buffer[1];	/* variable length GSS security buffer */
295  } __packed;
296  
297  /* Currently defined SessionFlags */
298  #define SMB2_SESSION_FLAG_IS_GUEST	0x0001
299  #define SMB2_SESSION_FLAG_IS_NULL	0x0002
300  #define SMB2_SESSION_FLAG_ENCRYPT_DATA	0x0004
301  struct smb2_sess_setup_rsp {
302  	struct smb2_hdr hdr;
303  	__le16 StructureSize; /* Must be 9 */
304  	__le16 SessionFlags;
305  	__le16 SecurityBufferOffset;
306  	__le16 SecurityBufferLength;
307  	__u8   Buffer[1];	/* variable length GSS security buffer */
308  } __packed;
309  
310  struct smb2_logoff_req {
311  	struct smb2_hdr hdr;
312  	__le16 StructureSize;	/* Must be 4 */
313  	__le16 Reserved;
314  } __packed;
315  
316  struct smb2_logoff_rsp {
317  	struct smb2_hdr hdr;
318  	__le16 StructureSize;	/* Must be 4 */
319  	__le16 Reserved;
320  } __packed;
321  
322  /* Flags/Reserved for SMB3.1.1 */
323  #define SMB2_SHAREFLAG_CLUSTER_RECONNECT	0x0001
324  
325  struct smb2_tree_connect_req {
326  	struct smb2_hdr hdr;
327  	__le16 StructureSize;	/* Must be 9 */
328  	__le16 Reserved; /* Flags in SMB3.1.1 */
329  	__le16 PathOffset;
330  	__le16 PathLength;
331  	__u8   Buffer[1];	/* variable length */
332  } __packed;
333  
334  struct smb2_tree_connect_rsp {
335  	struct smb2_hdr hdr;
336  	__le16 StructureSize;	/* Must be 16 */
337  	__u8   ShareType;  /* see below */
338  	__u8   Reserved;
339  	__le32 ShareFlags; /* see below */
340  	__le32 Capabilities; /* see below */
341  	__le32 MaximalAccess;
342  } __packed;
343  
344  /* Possible ShareType values */
345  #define SMB2_SHARE_TYPE_DISK	0x01
346  #define SMB2_SHARE_TYPE_PIPE	0x02
347  #define	SMB2_SHARE_TYPE_PRINT	0x03
348  
349  /*
350   * Possible ShareFlags - exactly one and only one of the first 4 caching flags
351   * must be set (any of the remaining, SHI1005, flags may be set individually
352   * or in combination.
353   */
354  #define SMB2_SHAREFLAG_MANUAL_CACHING			0x00000000
355  #define SMB2_SHAREFLAG_AUTO_CACHING			0x00000010
356  #define SMB2_SHAREFLAG_VDO_CACHING			0x00000020
357  #define SMB2_SHAREFLAG_NO_CACHING			0x00000030
358  #define SHI1005_FLAGS_DFS				0x00000001
359  #define SHI1005_FLAGS_DFS_ROOT				0x00000002
360  #define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS		0x00000100
361  #define SHI1005_FLAGS_FORCE_SHARED_DELETE		0x00000200
362  #define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING		0x00000400
363  #define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM	0x00000800
364  #define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK		0x00001000
365  #define SHI1005_FLAGS_ENABLE_HASH_V1			0x00002000
366  #define SHI1005_FLAGS_ENABLE_HASH_V2			0x00004000
367  #define SHI1005_FLAGS_ENCRYPT_DATA			0x00008000
368  #define SHI1005_FLAGS_ALL				0x0000FF33
369  
370  /* Possible share capabilities */
371  #define SMB2_SHARE_CAP_DFS	cpu_to_le32(0x00000008) /* all dialects */
372  #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */
373  #define SMB2_SHARE_CAP_SCALEOUT	cpu_to_le32(0x00000020) /* 3.0 */
374  #define SMB2_SHARE_CAP_CLUSTER	cpu_to_le32(0x00000040) /* 3.0 */
375  #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */
376  
377  struct smb2_tree_disconnect_req {
378  	struct smb2_hdr hdr;
379  	__le16 StructureSize;	/* Must be 4 */
380  	__le16 Reserved;
381  } __packed;
382  
383  struct smb2_tree_disconnect_rsp {
384  	struct smb2_hdr hdr;
385  	__le16 StructureSize;	/* Must be 4 */
386  	__le16 Reserved;
387  } __packed;
388  
389  /* File Attrubutes */
390  #define FILE_ATTRIBUTE_READONLY			0x00000001
391  #define FILE_ATTRIBUTE_HIDDEN			0x00000002
392  #define FILE_ATTRIBUTE_SYSTEM			0x00000004
393  #define FILE_ATTRIBUTE_DIRECTORY		0x00000010
394  #define FILE_ATTRIBUTE_ARCHIVE			0x00000020
395  #define FILE_ATTRIBUTE_NORMAL			0x00000080
396  #define FILE_ATTRIBUTE_TEMPORARY		0x00000100
397  #define FILE_ATTRIBUTE_SPARSE_FILE		0x00000200
398  #define FILE_ATTRIBUTE_REPARSE_POINT		0x00000400
399  #define FILE_ATTRIBUTE_COMPRESSED		0x00000800
400  #define FILE_ATTRIBUTE_OFFLINE			0x00001000
401  #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED	0x00002000
402  #define FILE_ATTRIBUTE_ENCRYPTED		0x00004000
403  #define FILE_ATTRIBUTE_INTEGRITY_STREAM		0x00008000
404  #define FILE_ATTRIBUTE_NO_SCRUB_DATA		0x00020000
405  
406  /* Oplock levels */
407  #define SMB2_OPLOCK_LEVEL_NONE		0x00
408  #define SMB2_OPLOCK_LEVEL_II		0x01
409  #define SMB2_OPLOCK_LEVEL_EXCLUSIVE	0x08
410  #define SMB2_OPLOCK_LEVEL_BATCH		0x09
411  #define SMB2_OPLOCK_LEVEL_LEASE		0xFF
412  /* Non-spec internal type */
413  #define SMB2_OPLOCK_LEVEL_NOCHANGE	0x99
414  
415  /* Desired Access Flags */
416  #define FILE_READ_DATA_LE		cpu_to_le32(0x00000001)
417  #define FILE_WRITE_DATA_LE		cpu_to_le32(0x00000002)
418  #define FILE_APPEND_DATA_LE		cpu_to_le32(0x00000004)
419  #define FILE_READ_EA_LE			cpu_to_le32(0x00000008)
420  #define FILE_WRITE_EA_LE		cpu_to_le32(0x00000010)
421  #define FILE_EXECUTE_LE			cpu_to_le32(0x00000020)
422  #define FILE_READ_ATTRIBUTES_LE		cpu_to_le32(0x00000080)
423  #define FILE_WRITE_ATTRIBUTES_LE	cpu_to_le32(0x00000100)
424  #define FILE_DELETE_LE			cpu_to_le32(0x00010000)
425  #define FILE_READ_CONTROL_LE		cpu_to_le32(0x00020000)
426  #define FILE_WRITE_DAC_LE		cpu_to_le32(0x00040000)
427  #define FILE_WRITE_OWNER_LE		cpu_to_le32(0x00080000)
428  #define FILE_SYNCHRONIZE_LE		cpu_to_le32(0x00100000)
429  #define FILE_ACCESS_SYSTEM_SECURITY_LE	cpu_to_le32(0x01000000)
430  #define FILE_MAXIMAL_ACCESS_LE		cpu_to_le32(0x02000000)
431  #define FILE_GENERIC_ALL_LE		cpu_to_le32(0x10000000)
432  #define FILE_GENERIC_EXECUTE_LE		cpu_to_le32(0x20000000)
433  #define FILE_GENERIC_WRITE_LE		cpu_to_le32(0x40000000)
434  #define FILE_GENERIC_READ_LE		cpu_to_le32(0x80000000)
435  
436  /* ShareAccess Flags */
437  #define FILE_SHARE_READ_LE		cpu_to_le32(0x00000001)
438  #define FILE_SHARE_WRITE_LE		cpu_to_le32(0x00000002)
439  #define FILE_SHARE_DELETE_LE		cpu_to_le32(0x00000004)
440  #define FILE_SHARE_ALL_LE		cpu_to_le32(0x00000007)
441  
442  /* CreateDisposition Flags */
443  #define FILE_SUPERSEDE_LE		cpu_to_le32(0x00000000)
444  #define FILE_OPEN_LE			cpu_to_le32(0x00000001)
445  #define FILE_CREATE_LE			cpu_to_le32(0x00000002)
446  #define	FILE_OPEN_IF_LE			cpu_to_le32(0x00000003)
447  #define FILE_OVERWRITE_LE		cpu_to_le32(0x00000004)
448  #define FILE_OVERWRITE_IF_LE		cpu_to_le32(0x00000005)
449  
450  /* CreateOptions Flags */
451  #define FILE_DIRECTORY_FILE_LE		cpu_to_le32(0x00000001)
452  /* same as #define CREATE_NOT_FILE_LE	cpu_to_le32(0x00000001) */
453  #define FILE_WRITE_THROUGH_LE		cpu_to_le32(0x00000002)
454  #define FILE_SEQUENTIAL_ONLY_LE		cpu_to_le32(0x00000004)
455  #define FILE_NO_INTERMEDIATE_BUFFERRING_LE cpu_to_le32(0x00000008)
456  #define FILE_SYNCHRONOUS_IO_ALERT_LE	cpu_to_le32(0x00000010)
457  #define FILE_SYNCHRONOUS_IO_NON_ALERT_LE	cpu_to_le32(0x00000020)
458  #define FILE_NON_DIRECTORY_FILE_LE	cpu_to_le32(0x00000040)
459  #define FILE_COMPLETE_IF_OPLOCKED_LE	cpu_to_le32(0x00000100)
460  #define FILE_NO_EA_KNOWLEDGE_LE		cpu_to_le32(0x00000200)
461  #define FILE_RANDOM_ACCESS_LE		cpu_to_le32(0x00000800)
462  #define FILE_DELETE_ON_CLOSE_LE		cpu_to_le32(0x00001000)
463  #define FILE_OPEN_BY_FILE_ID_LE		cpu_to_le32(0x00002000)
464  #define FILE_OPEN_FOR_BACKUP_INTENT_LE	cpu_to_le32(0x00004000)
465  #define FILE_NO_COMPRESSION_LE		cpu_to_le32(0x00008000)
466  #define FILE_RESERVE_OPFILTER_LE	cpu_to_le32(0x00100000)
467  #define FILE_OPEN_REPARSE_POINT_LE	cpu_to_le32(0x00200000)
468  #define FILE_OPEN_NO_RECALL_LE		cpu_to_le32(0x00400000)
469  #define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000)
470  
471  #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \
472  			| FILE_READ_ATTRIBUTES_LE)
473  #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \
474  			| FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE)
475  #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE)
476  
477  /* Impersonation Levels */
478  #define IL_ANONYMOUS		cpu_to_le32(0x00000000)
479  #define IL_IDENTIFICATION	cpu_to_le32(0x00000001)
480  #define IL_IMPERSONATION	cpu_to_le32(0x00000002)
481  #define IL_DELEGATE		cpu_to_le32(0x00000003)
482  
483  /* Create Context Values */
484  #define SMB2_CREATE_EA_BUFFER			"ExtA" /* extended attributes */
485  #define SMB2_CREATE_SD_BUFFER			"SecD" /* security descriptor */
486  #define SMB2_CREATE_DURABLE_HANDLE_REQUEST	"DHnQ"
487  #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT	"DHnC"
488  #define SMB2_CREATE_ALLOCATION_SIZE		"AISi"
489  #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc"
490  #define SMB2_CREATE_TIMEWARP_REQUEST		"TWrp"
491  #define SMB2_CREATE_QUERY_ON_DISK_ID		"QFid"
492  #define SMB2_CREATE_REQUEST_LEASE		"RqLs"
493  #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2	"DH2Q"
494  #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2	"DH2C"
495  #define SMB2_CREATE_APP_INSTANCE_ID	0x45BCA66AEFA7F74A9008FA462E144D74
496  #define SVHDX_OPEN_DEVICE_CONTEXT	0x83CE6F1AD851E0986E34401CC9BCFCE9
497  
498  struct smb2_create_req {
499  	struct smb2_hdr hdr;
500  	__le16 StructureSize;	/* Must be 57 */
501  	__u8   SecurityFlags;
502  	__u8   RequestedOplockLevel;
503  	__le32 ImpersonationLevel;
504  	__le64 SmbCreateFlags;
505  	__le64 Reserved;
506  	__le32 DesiredAccess;
507  	__le32 FileAttributes;
508  	__le32 ShareAccess;
509  	__le32 CreateDisposition;
510  	__le32 CreateOptions;
511  	__le16 NameOffset;
512  	__le16 NameLength;
513  	__le32 CreateContextsOffset;
514  	__le32 CreateContextsLength;
515  	__u8   Buffer[0];
516  } __packed;
517  
518  struct smb2_create_rsp {
519  	struct smb2_hdr hdr;
520  	__le16 StructureSize;	/* Must be 89 */
521  	__u8   OplockLevel;
522  	__u8   Reserved;
523  	__le32 CreateAction;
524  	__le64 CreationTime;
525  	__le64 LastAccessTime;
526  	__le64 LastWriteTime;
527  	__le64 ChangeTime;
528  	__le64 AllocationSize;
529  	__le64 EndofFile;
530  	__le32 FileAttributes;
531  	__le32 Reserved2;
532  	__u64  PersistentFileId; /* opaque endianness */
533  	__u64  VolatileFileId; /* opaque endianness */
534  	__le32 CreateContextsOffset;
535  	__le32 CreateContextsLength;
536  	__u8   Buffer[1];
537  } __packed;
538  
539  struct create_context {
540  	__le32 Next;
541  	__le16 NameOffset;
542  	__le16 NameLength;
543  	__le16 Reserved;
544  	__le16 DataOffset;
545  	__le32 DataLength;
546  	__u8 Buffer[0];
547  } __packed;
548  
549  #define SMB2_LEASE_READ_CACHING_HE	0x01
550  #define SMB2_LEASE_HANDLE_CACHING_HE	0x02
551  #define SMB2_LEASE_WRITE_CACHING_HE	0x04
552  
553  #define SMB2_LEASE_NONE			cpu_to_le32(0x00)
554  #define SMB2_LEASE_READ_CACHING		cpu_to_le32(0x01)
555  #define SMB2_LEASE_HANDLE_CACHING	cpu_to_le32(0x02)
556  #define SMB2_LEASE_WRITE_CACHING	cpu_to_le32(0x04)
557  
558  #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x02)
559  
560  #define SMB2_LEASE_KEY_SIZE 16
561  
562  struct lease_context {
563  	__le64 LeaseKeyLow;
564  	__le64 LeaseKeyHigh;
565  	__le32 LeaseState;
566  	__le32 LeaseFlags;
567  	__le64 LeaseDuration;
568  } __packed;
569  
570  struct lease_context_v2 {
571  	__le64 LeaseKeyLow;
572  	__le64 LeaseKeyHigh;
573  	__le32 LeaseState;
574  	__le32 LeaseFlags;
575  	__le64 LeaseDuration;
576  	__le64 ParentLeaseKeyLow;
577  	__le64 ParentLeaseKeyHigh;
578  	__le16 Epoch;
579  	__le16 Reserved;
580  } __packed;
581  
582  struct create_lease {
583  	struct create_context ccontext;
584  	__u8   Name[8];
585  	struct lease_context lcontext;
586  } __packed;
587  
588  struct create_lease_v2 {
589  	struct create_context ccontext;
590  	__u8   Name[8];
591  	struct lease_context_v2 lcontext;
592  	__u8   Pad[4];
593  } __packed;
594  
595  struct create_durable {
596  	struct create_context ccontext;
597  	__u8   Name[8];
598  	union {
599  		__u8  Reserved[16];
600  		struct {
601  			__u64 PersistentFileId;
602  			__u64 VolatileFileId;
603  		} Fid;
604  	} Data;
605  } __packed;
606  
607  /* See MS-SMB2 2.2.13.2.11 */
608  /* Flags */
609  #define SMB2_DHANDLE_FLAG_PERSISTENT	0x00000002
610  struct durable_context_v2 {
611  	__le32 Timeout;
612  	__le32 Flags;
613  	__u64 Reserved;
614  	__u8 CreateGuid[16];
615  } __packed;
616  
617  struct create_durable_v2 {
618  	struct create_context ccontext;
619  	__u8   Name[8];
620  	struct durable_context_v2 dcontext;
621  } __packed;
622  
623  /* See MS-SMB2 2.2.13.2.12 */
624  struct durable_reconnect_context_v2 {
625  	struct {
626  		__u64 PersistentFileId;
627  		__u64 VolatileFileId;
628  	} Fid;
629  	__u8 CreateGuid[16];
630  	__le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
631  } __packed;
632  
633  /* See MS-SMB2 2.2.14.2.12 */
634  struct durable_reconnect_context_v2_rsp {
635  	__le32 Timeout;
636  	__le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
637  } __packed;
638  
639  struct create_durable_handle_reconnect_v2 {
640  	struct create_context ccontext;
641  	__u8   Name[8];
642  	struct durable_reconnect_context_v2 dcontext;
643  } __packed;
644  
645  #define COPY_CHUNK_RES_KEY_SIZE	24
646  struct resume_key_req {
647  	char ResumeKey[COPY_CHUNK_RES_KEY_SIZE];
648  	__le32	ContextLength;	/* MBZ */
649  	char	Context[0];	/* ignored, Windows sets to 4 bytes of zero */
650  } __packed;
651  
652  /* this goes in the ioctl buffer when doing a copychunk request */
653  struct copychunk_ioctl {
654  	char SourceKey[COPY_CHUNK_RES_KEY_SIZE];
655  	__le32 ChunkCount; /* we are only sending 1 */
656  	__le32 Reserved;
657  	/* array will only be one chunk long for us */
658  	__le64 SourceOffset;
659  	__le64 TargetOffset;
660  	__le32 Length; /* how many bytes to copy */
661  	__u32 Reserved2;
662  } __packed;
663  
664  /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */
665  struct file_zero_data_information {
666  	__le64	FileOffset;
667  	__le64	BeyondFinalZero;
668  } __packed;
669  
670  struct copychunk_ioctl_rsp {
671  	__le32 ChunksWritten;
672  	__le32 ChunkBytesWritten;
673  	__le32 TotalBytesWritten;
674  } __packed;
675  
676  struct fsctl_set_integrity_information_req {
677  	__le16	ChecksumAlgorithm;
678  	__le16	Reserved;
679  	__le32	Flags;
680  } __packed;
681  
682  struct fsctl_get_integrity_information_rsp {
683  	__le16	ChecksumAlgorithm;
684  	__le16	Reserved;
685  	__le32	Flags;
686  	__le32	ChecksumChunkSizeInBytes;
687  	__le32	ClusterSizeInBytes;
688  } __packed;
689  
690  /* Integrity ChecksumAlgorithm choices for above */
691  #define	CHECKSUM_TYPE_NONE	0x0000
692  #define	CHECKSUM_TYPE_CRC64	0x0002
693  #define CHECKSUM_TYPE_UNCHANGED	0xFFFF	/* set only */
694  
695  /* Integrity flags for above */
696  #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF	0x00000001
697  
698  /* See MS-DFSC 2.2.2 */
699  struct fsctl_get_dfs_referral_req {
700  	__le16 MaxReferralLevel;
701  	__u8 RequestFileName[];
702  } __packed;
703  
704  /* DFS response is struct get_dfs_refer_rsp */
705  
706  /* See MS-SMB2 2.2.31.3 */
707  struct network_resiliency_req {
708  	__le32 Timeout;
709  	__le32 Reserved;
710  } __packed;
711  /* There is no buffer for the response ie no struct network_resiliency_rsp */
712  
713  
714  struct validate_negotiate_info_req {
715  	__le32 Capabilities;
716  	__u8   Guid[SMB2_CLIENT_GUID_SIZE];
717  	__le16 SecurityMode;
718  	__le16 DialectCount;
719  	__le16 Dialects[3]; /* BB expand this if autonegotiate > 3 dialects */
720  } __packed;
721  
722  struct validate_negotiate_info_rsp {
723  	__le32 Capabilities;
724  	__u8   Guid[SMB2_CLIENT_GUID_SIZE];
725  	__le16 SecurityMode;
726  	__le16 Dialect; /* Dialect in use for the connection */
727  } __packed;
728  
729  #define RSS_CAPABLE	0x00000001
730  #define RDMA_CAPABLE	0x00000002
731  
732  struct network_interface_info_ioctl_rsp {
733  	__le32 Next; /* next interface. zero if this is last one */
734  	__le32 IfIndex;
735  	__le32 Capability; /* RSS or RDMA Capable */
736  	__le32 Reserved;
737  	__le64 LinkSpeed;
738  	char	SockAddr_Storage[128];
739  } __packed;
740  
741  #define NO_FILE_ID 0xFFFFFFFFFFFFFFFFULL /* general ioctls to srv not to file */
742  
743  struct compress_ioctl {
744  	__le16 CompressionState; /* See cifspdu.h for possible flag values */
745  } __packed;
746  
747  struct duplicate_extents_to_file {
748  	__u64 PersistentFileHandle; /* source file handle, opaque endianness */
749  	__u64 VolatileFileHandle;
750  	__le64 SourceFileOffset;
751  	__le64 TargetFileOffset;
752  	__le64 ByteCount;  /* Bytes to be copied */
753  } __packed;
754  
755  struct smb2_ioctl_req {
756  	struct smb2_hdr hdr;
757  	__le16 StructureSize;	/* Must be 57 */
758  	__u16 Reserved;
759  	__le32 CtlCode;
760  	__u64  PersistentFileId; /* opaque endianness */
761  	__u64  VolatileFileId; /* opaque endianness */
762  	__le32 InputOffset;
763  	__le32 InputCount;
764  	__le32 MaxInputResponse;
765  	__le32 OutputOffset;
766  	__le32 OutputCount;
767  	__le32 MaxOutputResponse;
768  	__le32 Flags;
769  	__u32  Reserved2;
770  	__u8   Buffer[0];
771  } __packed;
772  
773  struct smb2_ioctl_rsp {
774  	struct smb2_hdr hdr;
775  	__le16 StructureSize;	/* Must be 57 */
776  	__u16 Reserved;
777  	__le32 CtlCode;
778  	__u64  PersistentFileId; /* opaque endianness */
779  	__u64  VolatileFileId; /* opaque endianness */
780  	__le32 InputOffset;
781  	__le32 InputCount;
782  	__le32 OutputOffset;
783  	__le32 OutputCount;
784  	__le32 Flags;
785  	__u32  Reserved2;
786  	/* char * buffer[] */
787  } __packed;
788  
789  /* Currently defined values for close flags */
790  #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB	cpu_to_le16(0x0001)
791  struct smb2_close_req {
792  	struct smb2_hdr hdr;
793  	__le16 StructureSize;	/* Must be 24 */
794  	__le16 Flags;
795  	__le32 Reserved;
796  	__u64  PersistentFileId; /* opaque endianness */
797  	__u64  VolatileFileId; /* opaque endianness */
798  } __packed;
799  
800  struct smb2_close_rsp {
801  	struct smb2_hdr hdr;
802  	__le16 StructureSize; /* 60 */
803  	__le16 Flags;
804  	__le32 Reserved;
805  	__le64 CreationTime;
806  	__le64 LastAccessTime;
807  	__le64 LastWriteTime;
808  	__le64 ChangeTime;
809  	__le64 AllocationSize;	/* Beginning of FILE_STANDARD_INFO equivalent */
810  	__le64 EndOfFile;
811  	__le32 Attributes;
812  } __packed;
813  
814  struct smb2_flush_req {
815  	struct smb2_hdr hdr;
816  	__le16 StructureSize;	/* Must be 24 */
817  	__le16 Reserved1;
818  	__le32 Reserved2;
819  	__u64  PersistentFileId; /* opaque endianness */
820  	__u64  VolatileFileId; /* opaque endianness */
821  } __packed;
822  
823  struct smb2_flush_rsp {
824  	struct smb2_hdr hdr;
825  	__le16 StructureSize;
826  	__le16 Reserved;
827  } __packed;
828  
829  /* For read request Flags field below, following flag is defined for SMB3.02 */
830  #define SMB2_READFLAG_READ_UNBUFFERED	0x01
831  
832  /* Channel field for read and write: exactly one of following flags can be set*/
833  #define SMB2_CHANNEL_NONE		0x00000000
834  #define SMB2_CHANNEL_RDMA_V1		0x00000001 /* SMB3 or later */
835  #define SMB2_CHANNEL_RDMA_V1_INVALIDATE 0x00000002 /* SMB3.02 or later */
836  
837  /* SMB2 read request without RFC1001 length at the beginning */
838  struct smb2_read_plain_req {
839  	struct smb2_sync_hdr sync_hdr;
840  	__le16 StructureSize; /* Must be 49 */
841  	__u8   Padding; /* offset from start of SMB2 header to place read */
842  	__u8   Flags; /* MBZ unless SMB3.02 or later */
843  	__le32 Length;
844  	__le64 Offset;
845  	__u64  PersistentFileId; /* opaque endianness */
846  	__u64  VolatileFileId; /* opaque endianness */
847  	__le32 MinimumCount;
848  	__le32 Channel; /* MBZ except for SMB3 or later */
849  	__le32 RemainingBytes;
850  	__le16 ReadChannelInfoOffset; /* Reserved MBZ */
851  	__le16 ReadChannelInfoLength; /* Reserved MBZ */
852  	__u8   Buffer[1];
853  } __packed;
854  
855  struct smb2_read_rsp {
856  	struct smb2_hdr hdr;
857  	__le16 StructureSize; /* Must be 17 */
858  	__u8   DataOffset;
859  	__u8   Reserved;
860  	__le32 DataLength;
861  	__le32 DataRemaining;
862  	__u32  Reserved2;
863  	__u8   Buffer[1];
864  } __packed;
865  
866  /* For write request Flags field below the following flags are defined: */
867  #define SMB2_WRITEFLAG_WRITE_THROUGH	0x00000001	/* SMB2.1 or later */
868  #define SMB2_WRITEFLAG_WRITE_UNBUFFERED	0x00000002	/* SMB3.02 or later */
869  
870  struct smb2_write_req {
871  	struct smb2_hdr hdr;
872  	__le16 StructureSize; /* Must be 49 */
873  	__le16 DataOffset; /* offset from start of SMB2 header to write data */
874  	__le32 Length;
875  	__le64 Offset;
876  	__u64  PersistentFileId; /* opaque endianness */
877  	__u64  VolatileFileId; /* opaque endianness */
878  	__le32 Channel; /* Reserved MBZ */
879  	__le32 RemainingBytes;
880  	__le16 WriteChannelInfoOffset; /* Reserved MBZ */
881  	__le16 WriteChannelInfoLength; /* Reserved MBZ */
882  	__le32 Flags;
883  	__u8   Buffer[1];
884  } __packed;
885  
886  struct smb2_write_rsp {
887  	struct smb2_hdr hdr;
888  	__le16 StructureSize; /* Must be 17 */
889  	__u8   DataOffset;
890  	__u8   Reserved;
891  	__le32 DataLength;
892  	__le32 DataRemaining;
893  	__u32  Reserved2;
894  	__u8   Buffer[1];
895  } __packed;
896  
897  #define SMB2_LOCKFLAG_SHARED_LOCK	0x0001
898  #define SMB2_LOCKFLAG_EXCLUSIVE_LOCK	0x0002
899  #define SMB2_LOCKFLAG_UNLOCK		0x0004
900  #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY	0x0010
901  
902  struct smb2_lock_element {
903  	__le64 Offset;
904  	__le64 Length;
905  	__le32 Flags;
906  	__le32 Reserved;
907  } __packed;
908  
909  struct smb2_lock_req {
910  	struct smb2_hdr hdr;
911  	__le16 StructureSize; /* Must be 48 */
912  	__le16 LockCount;
913  	__le32 Reserved;
914  	__u64  PersistentFileId; /* opaque endianness */
915  	__u64  VolatileFileId; /* opaque endianness */
916  	/* Followed by at least one */
917  	struct smb2_lock_element locks[1];
918  } __packed;
919  
920  struct smb2_lock_rsp {
921  	struct smb2_hdr hdr;
922  	__le16 StructureSize; /* Must be 4 */
923  	__le16 Reserved;
924  } __packed;
925  
926  struct smb2_echo_req {
927  	struct smb2_hdr hdr;
928  	__le16 StructureSize;	/* Must be 4 */
929  	__u16  Reserved;
930  } __packed;
931  
932  struct smb2_echo_rsp {
933  	struct smb2_hdr hdr;
934  	__le16 StructureSize;	/* Must be 4 */
935  	__u16  Reserved;
936  } __packed;
937  
938  /* search (query_directory) Flags field */
939  #define SMB2_RESTART_SCANS		0x01
940  #define SMB2_RETURN_SINGLE_ENTRY	0x02
941  #define SMB2_INDEX_SPECIFIED		0x04
942  #define SMB2_REOPEN			0x10
943  
944  struct smb2_query_directory_req {
945  	struct smb2_hdr hdr;
946  	__le16 StructureSize; /* Must be 33 */
947  	__u8   FileInformationClass;
948  	__u8   Flags;
949  	__le32 FileIndex;
950  	__u64  PersistentFileId; /* opaque endianness */
951  	__u64  VolatileFileId; /* opaque endianness */
952  	__le16 FileNameOffset;
953  	__le16 FileNameLength;
954  	__le32 OutputBufferLength;
955  	__u8   Buffer[1];
956  } __packed;
957  
958  struct smb2_query_directory_rsp {
959  	struct smb2_hdr hdr;
960  	__le16 StructureSize; /* Must be 9 */
961  	__le16 OutputBufferOffset;
962  	__le32 OutputBufferLength;
963  	__u8   Buffer[1];
964  } __packed;
965  
966  /* Possible InfoType values */
967  #define SMB2_O_INFO_FILE	0x01
968  #define SMB2_O_INFO_FILESYSTEM	0x02
969  #define SMB2_O_INFO_SECURITY	0x03
970  #define SMB2_O_INFO_QUOTA	0x04
971  
972  /* Security info type additionalinfo flags. See MS-SMB2 (2.2.37) or MS-DTYP */
973  #define OWNER_SECINFO   0x00000001
974  #define GROUP_SECINFO   0x00000002
975  #define DACL_SECINFO   0x00000004
976  #define SACL_SECINFO   0x00000008
977  #define LABEL_SECINFO   0x00000010
978  #define ATTRIBUTE_SECINFO   0x00000020
979  #define SCOPE_SECINFO   0x00000040
980  #define BACKUP_SECINFO   0x00010000
981  #define UNPROTECTED_SACL_SECINFO   0x10000000
982  #define UNPROTECTED_DACL_SECINFO   0x20000000
983  #define PROTECTED_SACL_SECINFO   0x40000000
984  #define PROTECTED_DACL_SECINFO   0x80000000
985  
986  /* Flags used for FileFullEAinfo */
987  #define SL_RESTART_SCAN		0x00000001
988  #define SL_RETURN_SINGLE_ENTRY	0x00000002
989  #define SL_INDEX_SPECIFIED	0x00000004
990  
991  struct smb2_query_info_req {
992  	struct smb2_hdr hdr;
993  	__le16 StructureSize; /* Must be 41 */
994  	__u8   InfoType;
995  	__u8   FileInfoClass;
996  	__le32 OutputBufferLength;
997  	__le16 InputBufferOffset;
998  	__u16  Reserved;
999  	__le32 InputBufferLength;
1000  	__le32 AdditionalInformation;
1001  	__le32 Flags;
1002  	__u64  PersistentFileId; /* opaque endianness */
1003  	__u64  VolatileFileId; /* opaque endianness */
1004  	__u8   Buffer[1];
1005  } __packed;
1006  
1007  struct smb2_query_info_rsp {
1008  	struct smb2_hdr hdr;
1009  	__le16 StructureSize; /* Must be 9 */
1010  	__le16 OutputBufferOffset;
1011  	__le32 OutputBufferLength;
1012  	__u8   Buffer[1];
1013  } __packed;
1014  
1015  struct smb2_set_info_req {
1016  	struct smb2_hdr hdr;
1017  	__le16 StructureSize; /* Must be 33 */
1018  	__u8   InfoType;
1019  	__u8   FileInfoClass;
1020  	__le32 BufferLength;
1021  	__le16 BufferOffset;
1022  	__u16  Reserved;
1023  	__le32 AdditionalInformation;
1024  	__u64  PersistentFileId; /* opaque endianness */
1025  	__u64  VolatileFileId; /* opaque endianness */
1026  	__u8   Buffer[1];
1027  } __packed;
1028  
1029  struct smb2_set_info_rsp {
1030  	struct smb2_hdr hdr;
1031  	__le16 StructureSize; /* Must be 2 */
1032  } __packed;
1033  
1034  struct smb2_oplock_break {
1035  	struct smb2_hdr hdr;
1036  	__le16 StructureSize; /* Must be 24 */
1037  	__u8   OplockLevel;
1038  	__u8   Reserved;
1039  	__le32 Reserved2;
1040  	__u64  PersistentFid;
1041  	__u64  VolatileFid;
1042  } __packed;
1043  
1044  #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01)
1045  
1046  struct smb2_lease_break {
1047  	struct smb2_hdr hdr;
1048  	__le16 StructureSize; /* Must be 44 */
1049  	__le16 Reserved;
1050  	__le32 Flags;
1051  	__u8   LeaseKey[16];
1052  	__le32 CurrentLeaseState;
1053  	__le32 NewLeaseState;
1054  	__le32 BreakReason;
1055  	__le32 AccessMaskHint;
1056  	__le32 ShareMaskHint;
1057  } __packed;
1058  
1059  struct smb2_lease_ack {
1060  	struct smb2_hdr hdr;
1061  	__le16 StructureSize; /* Must be 36 */
1062  	__le16 Reserved;
1063  	__le32 Flags;
1064  	__u8   LeaseKey[16];
1065  	__le32 LeaseState;
1066  	__le64 LeaseDuration;
1067  } __packed;
1068  
1069  /*
1070   *	PDU infolevel structure definitions
1071   *	BB consider moving to a different header
1072   */
1073  
1074  /* File System Information Classes */
1075  #define FS_VOLUME_INFORMATION		1 /* Query */
1076  #define FS_LABEL_INFORMATION		2 /* Local only */
1077  #define FS_SIZE_INFORMATION		3 /* Query */
1078  #define FS_DEVICE_INFORMATION		4 /* Query */
1079  #define FS_ATTRIBUTE_INFORMATION	5 /* Query */
1080  #define FS_CONTROL_INFORMATION		6 /* Query, Set */
1081  #define FS_FULL_SIZE_INFORMATION	7 /* Query */
1082  #define FS_OBJECT_ID_INFORMATION	8 /* Query, Set */
1083  #define FS_DRIVER_PATH_INFORMATION	9 /* Local only */
1084  #define FS_VOLUME_FLAGS_INFORMATION	10 /* Local only */
1085  #define FS_SECTOR_SIZE_INFORMATION	11 /* SMB3 or later. Query */
1086  
1087  struct smb2_fs_full_size_info {
1088  	__le64 TotalAllocationUnits;
1089  	__le64 CallerAvailableAllocationUnits;
1090  	__le64 ActualAvailableAllocationUnits;
1091  	__le32 SectorsPerAllocationUnit;
1092  	__le32 BytesPerSector;
1093  } __packed;
1094  
1095  #define SSINFO_FLAGS_ALIGNED_DEVICE		0x00000001
1096  #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002
1097  #define SSINFO_FLAGS_NO_SEEK_PENALTY		0x00000004
1098  #define SSINFO_FLAGS_TRIM_ENABLED		0x00000008
1099  
1100  /* sector size info struct */
1101  struct smb3_fs_ss_info {
1102  	__le32 LogicalBytesPerSector;
1103  	__le32 PhysicalBytesPerSectorForAtomicity;
1104  	__le32 PhysicalBytesPerSectorForPerf;
1105  	__le32 FileSystemEffectivePhysicalBytesPerSectorForAtomicity;
1106  	__le32 Flags;
1107  	__le32 ByteOffsetForSectorAlignment;
1108  	__le32 ByteOffsetForPartitionAlignment;
1109  } __packed;
1110  
1111  /* volume info struct - see MS-FSCC 2.5.9 */
1112  #define MAX_VOL_LABEL_LEN	32
1113  struct smb3_fs_vol_info {
1114  	__le64	VolumeCreationTime;
1115  	__u32	VolumeSerialNumber;
1116  	__le32	VolumeLabelLength; /* includes trailing null */
1117  	__u8	SupportsObjects; /* True if eg like NTFS, supports objects */
1118  	__u8	Reserved;
1119  	__u8	VolumeLabel[0]; /* variable len */
1120  } __packed;
1121  
1122  /* partial list of QUERY INFO levels */
1123  #define FILE_DIRECTORY_INFORMATION	1
1124  #define FILE_FULL_DIRECTORY_INFORMATION 2
1125  #define FILE_BOTH_DIRECTORY_INFORMATION 3
1126  #define FILE_BASIC_INFORMATION		4
1127  #define FILE_STANDARD_INFORMATION	5
1128  #define FILE_INTERNAL_INFORMATION	6
1129  #define FILE_EA_INFORMATION	        7
1130  #define FILE_ACCESS_INFORMATION		8
1131  #define FILE_NAME_INFORMATION		9
1132  #define FILE_RENAME_INFORMATION		10
1133  #define FILE_LINK_INFORMATION		11
1134  #define FILE_NAMES_INFORMATION		12
1135  #define FILE_DISPOSITION_INFORMATION	13
1136  #define FILE_POSITION_INFORMATION	14
1137  #define FILE_FULL_EA_INFORMATION	15
1138  #define FILE_MODE_INFORMATION		16
1139  #define FILE_ALIGNMENT_INFORMATION	17
1140  #define FILE_ALL_INFORMATION		18
1141  #define FILE_ALLOCATION_INFORMATION	19
1142  #define FILE_END_OF_FILE_INFORMATION	20
1143  #define FILE_ALTERNATE_NAME_INFORMATION 21
1144  #define FILE_STREAM_INFORMATION		22
1145  #define FILE_PIPE_INFORMATION		23
1146  #define FILE_PIPE_LOCAL_INFORMATION	24
1147  #define FILE_PIPE_REMOTE_INFORMATION	25
1148  #define FILE_MAILSLOT_QUERY_INFORMATION 26
1149  #define FILE_MAILSLOT_SET_INFORMATION	27
1150  #define FILE_COMPRESSION_INFORMATION	28
1151  #define FILE_OBJECT_ID_INFORMATION	29
1152  /* Number 30 not defined in documents */
1153  #define FILE_MOVE_CLUSTER_INFORMATION	31
1154  #define FILE_QUOTA_INFORMATION		32
1155  #define FILE_REPARSE_POINT_INFORMATION	33
1156  #define FILE_NETWORK_OPEN_INFORMATION	34
1157  #define FILE_ATTRIBUTE_TAG_INFORMATION	35
1158  #define FILE_TRACKING_INFORMATION	36
1159  #define FILEID_BOTH_DIRECTORY_INFORMATION 37
1160  #define FILEID_FULL_DIRECTORY_INFORMATION 38
1161  #define FILE_VALID_DATA_LENGTH_INFORMATION 39
1162  #define FILE_SHORT_NAME_INFORMATION	40
1163  #define FILE_SFIO_RESERVE_INFORMATION	44
1164  #define FILE_SFIO_VOLUME_INFORMATION	45
1165  #define FILE_HARD_LINK_INFORMATION	46
1166  #define FILE_NORMALIZED_NAME_INFORMATION 48
1167  #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50
1168  #define FILE_STANDARD_LINK_INFORMATION	54
1169  
1170  struct smb2_file_internal_info {
1171  	__le64 IndexNumber;
1172  } __packed; /* level 6 Query */
1173  
1174  struct smb2_file_rename_info { /* encoding of request for level 10 */
1175  	__u8   ReplaceIfExists; /* 1 = replace existing target with new */
1176  				/* 0 = fail if target already exists */
1177  	__u8   Reserved[7];
1178  	__u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1179  	__le32 FileNameLength;
1180  	char   FileName[0];     /* New name to be assigned */
1181  } __packed; /* level 10 Set */
1182  
1183  struct smb2_file_link_info { /* encoding of request for level 11 */
1184  	__u8   ReplaceIfExists; /* 1 = replace existing link with new */
1185  				/* 0 = fail if link already exists */
1186  	__u8   Reserved[7];
1187  	__u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1188  	__le32 FileNameLength;
1189  	char   FileName[0];     /* Name to be assigned to new link */
1190  } __packed; /* level 11 Set */
1191  
1192  #define SMB2_MIN_EA_BUF  2048
1193  #define SMB2_MAX_EA_BUF 65536
1194  
1195  struct smb2_file_full_ea_info { /* encoding of response for level 15 */
1196  	__le32 next_entry_offset;
1197  	__u8   flags;
1198  	__u8   ea_name_length;
1199  	__le16 ea_value_length;
1200  	char   ea_data[0]; /* \0 terminated name plus value */
1201  } __packed; /* level 15 Set */
1202  
1203  /*
1204   * This level 18, although with struct with same name is different from cifs
1205   * level 0x107. Level 0x107 has an extra u64 between AccessFlags and
1206   * CurrentByteOffset.
1207   */
1208  struct smb2_file_all_info { /* data block encoding of response to level 18 */
1209  	__le64 CreationTime;	/* Beginning of FILE_BASIC_INFO equivalent */
1210  	__le64 LastAccessTime;
1211  	__le64 LastWriteTime;
1212  	__le64 ChangeTime;
1213  	__le32 Attributes;
1214  	__u32  Pad1;		/* End of FILE_BASIC_INFO_INFO equivalent */
1215  	__le64 AllocationSize;	/* Beginning of FILE_STANDARD_INFO equivalent */
1216  	__le64 EndOfFile;	/* size ie offset to first free byte in file */
1217  	__le32 NumberOfLinks;	/* hard links */
1218  	__u8   DeletePending;
1219  	__u8   Directory;
1220  	__u16  Pad2;		/* End of FILE_STANDARD_INFO equivalent */
1221  	__le64 IndexNumber;
1222  	__le32 EASize;
1223  	__le32 AccessFlags;
1224  	__le64 CurrentByteOffset;
1225  	__le32 Mode;
1226  	__le32 AlignmentRequirement;
1227  	__le32 FileNameLength;
1228  	char   FileName[1];
1229  } __packed; /* level 18 Query */
1230  
1231  struct smb2_file_eof_info { /* encoding of request for level 10 */
1232  	__le64 EndOfFile; /* new end of file value */
1233  } __packed; /* level 20 Set */
1234  
1235  #endif				/* _SMB2PDU_H */
1236