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 SMB2_INTERNAL_CMD       cpu_to_le16(0xFFFF)
  84
  85 #define NUMBER_OF_SMB2_COMMANDS 0x0013
  86
  87 /* BB FIXME - analyze following length BB */
  88 #define MAX_SMB2_HDR_SIZE 0x78 /* 4 len + 64 hdr + (2*24 wct) + 2 bct + 2 pad */
  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 */