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_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[1]; /* dialect (someday maybe list) client asked for */
 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 0x00000001 /* 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 /* partial list of QUERY INFO levels */
1112 #define FILE_DIRECTORY_INFORMATION      1
1113 #define FILE_FULL_DIRECTORY_INFORMATION 2
1114 #define FILE_BOTH_DIRECTORY_INFORMATION 3
1115 #define FILE_BASIC_INFORMATION          4
1116 #define FILE_STANDARD_INFORMATION       5
1117 #define FILE_INTERNAL_INFORMATION       6
1118 #define FILE_EA_INFORMATION             7
1119 #define FILE_ACCESS_INFORMATION         8
1120 #define FILE_NAME_INFORMATION           9
1121 #define FILE_RENAME_INFORMATION         10
1122 #define FILE_LINK_INFORMATION           11
1123 #define FILE_NAMES_INFORMATION          12
1124 #define FILE_DISPOSITION_INFORMATION    13
1125 #define FILE_POSITION_INFORMATION       14
1126 #define FILE_FULL_EA_INFORMATION        15
1127 #define FILE_MODE_INFORMATION           16
1128 #define FILE_ALIGNMENT_INFORMATION      17
1129 #define FILE_ALL_INFORMATION            18
1130 #define FILE_ALLOCATION_INFORMATION     19
1131 #define FILE_END_OF_FILE_INFORMATION    20
1132 #define FILE_ALTERNATE_NAME_INFORMATION 21
1133 #define FILE_STREAM_INFORMATION         22
1134 #define FILE_PIPE_INFORMATION           23
1135 #define FILE_PIPE_LOCAL_INFORMATION     24
1136 #define FILE_PIPE_REMOTE_INFORMATION    25
1137 #define FILE_MAILSLOT_QUERY_INFORMATION 26
1138 #define FILE_MAILSLOT_SET_INFORMATION   27
1139 #define FILE_COMPRESSION_INFORMATION    28
1140 #define FILE_OBJECT_ID_INFORMATION      29
1141 /* Number 30 not defined in documents */
1142 #define FILE_MOVE_CLUSTER_INFORMATION   31
1143 #define FILE_QUOTA_INFORMATION          32
1144 #define FILE_REPARSE_POINT_INFORMATION  33
1145 #define FILE_NETWORK_OPEN_INFORMATION   34
1146 #define FILE_ATTRIBUTE_TAG_INFORMATION  35
1147 #define FILE_TRACKING_INFORMATION       36
1148 #define FILEID_BOTH_DIRECTORY_INFORMATION 37
1149 #define FILEID_FULL_DIRECTORY_INFORMATION 38
1150 #define FILE_VALID_DATA_LENGTH_INFORMATION 39
1151 #define FILE_SHORT_NAME_INFORMATION     40
1152 #define FILE_SFIO_RESERVE_INFORMATION   44
1153 #define FILE_SFIO_VOLUME_INFORMATION    45
1154 #define FILE_HARD_LINK_INFORMATION      46
1155 #define FILE_NORMALIZED_NAME_INFORMATION 48
1156 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50
1157 #define FILE_STANDARD_LINK_INFORMATION  54
1158
1159 struct smb2_file_internal_info {
1160         __le64 IndexNumber;
1161 } __packed; /* level 6 Query */
1162
1163 struct smb2_file_rename_info { /* encoding of request for level 10 */
1164         __u8   ReplaceIfExists; /* 1 = replace existing target with new */
1165                                 /* 0 = fail if target already exists */
1166         __u8   Reserved[7];
1167         __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1168         __le32 FileNameLength;
1169         char   FileName[0];     /* New name to be assigned */
1170 } __packed; /* level 10 Set */
1171
1172 struct smb2_file_link_info { /* encoding of request for level 11 */
1173         __u8   ReplaceIfExists; /* 1 = replace existing link with new */
1174                                 /* 0 = fail if link already exists */
1175         __u8   Reserved[7];
1176         __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1177         __le32 FileNameLength;
1178         char   FileName[0];     /* Name to be assigned to new link */
1179 } __packed; /* level 11 Set */
1180
1181 /*
1182  * This level 18, although with struct with same name is different from cifs
1183  * level 0x107. Level 0x107 has an extra u64 between AccessFlags and
1184  * CurrentByteOffset.
1185  */
1186 struct smb2_file_all_info { /* data block encoding of response to level 18 */
1187         __le64 CreationTime;    /* Beginning of FILE_BASIC_INFO equivalent */
1188         __le64 LastAccessTime;
1189         __le64 LastWriteTime;
1190         __le64 ChangeTime;
1191         __le32 Attributes;
1192         __u32  Pad1;            /* End of FILE_BASIC_INFO_INFO equivalent */
1193         __le64 AllocationSize;  /* Beginning of FILE_STANDARD_INFO equivalent */
1194         __le64 EndOfFile;       /* size ie offset to first free byte in file */
1195         __le32 NumberOfLinks;   /* hard links */
1196         __u8   DeletePending;
1197         __u8   Directory;
1198         __u16  Pad2;            /* End of FILE_STANDARD_INFO equivalent */
1199         __le64 IndexNumber;
1200         __le32 EASize;
1201         __le32 AccessFlags;
1202         __le64 CurrentByteOffset;
1203         __le32 Mode;
1204         __le32 AlignmentRequirement;
1205         __le32 FileNameLength;
1206         char   FileName[1];
1207 } __packed; /* level 18 Query */
1208
1209 struct smb2_file_eof_info { /* encoding of request for level 10 */
1210         __le64 EndOfFile; /* new end of file value */
1211 } __packed; /* level 20 Set */
1212
1213 #endif                          /* _SMB2PDU_H */