fs/cifs/smb2pdu.h

   1 /*
   2  *   fs/cifs/smb2pdu.h
   3  *
   4  *   Copyright (c) International Business Machines  Corp., 2009, 2013
   5  *                 Etersoft, 2012
   6  *   Author(s): Steve French (sfrench@us.ibm.com)
   7  *              Pavel Shilovsky (pshilovsky@samba.org) 2012
   8  *
   9  *   This library is free software; you can redistribute it and/or modify
  10  *   it under the terms of the GNU Lesser General Public License as published
  11  *   by the Free Software Foundation; either version 2.1 of the License, or
  12  *   (at your option) any later version.
  13  *
  14  *   This library is distributed in the hope that it will be useful,
  15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  17  *   the GNU Lesser General Public License for more details.
  18  *
  19  *   You should have received a copy of the GNU Lesser General Public License
  20  *   along with this library; if not, write to the Free Software
  21  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  22  */
  23
  24 #ifndef _SMB2PDU_H
  25 #define _SMB2PDU_H
  26
  27 #include <net/sock.h>
  28
  29 /*
  30  * Note that, due to trying to use names similar to the protocol specifications,
  31  * there are many mixed case field names in the structures below.  Although
  32  * this does not match typical Linux kernel style, it is necessary to be
  33  * be able to match against the protocol specfication.
  34  *
  35  * SMB2 commands
  36  * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses
  37  * (ie no useful data other than the SMB error code itself) and are marked such.
  38  * Knowing this helps avoid response buffer allocations and copy in some cases.
  39  */
  40
  41 /* List of commands in host endian */
  42 #define SMB2_NEGOTIATE_HE       0x0000
  43 #define SMB2_SESSION_SETUP_HE   0x0001
  44 #define SMB2_LOGOFF_HE          0x0002 /* trivial request/resp */
  45 #define SMB2_TREE_CONNECT_HE    0x0003
  46 #define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */
  47 #define SMB2_CREATE_HE          0x0005
  48 #define SMB2_CLOSE_HE           0x0006
  49 #define SMB2_FLUSH_HE           0x0007 /* trivial resp */
  50 #define SMB2_READ_HE            0x0008
  51 #define SMB2_WRITE_HE           0x0009
  52 #define SMB2_LOCK_HE            0x000A
  53 #define SMB2_IOCTL_HE           0x000B
  54 #define SMB2_CANCEL_HE          0x000C
  55 #define SMB2_ECHO_HE            0x000D
  56 #define SMB2_QUERY_DIRECTORY_HE 0x000E
  57 #define SMB2_CHANGE_NOTIFY_HE   0x000F
  58 #define SMB2_QUERY_INFO_HE      0x0010
  59 #define SMB2_SET_INFO_HE        0x0011
  60 #define SMB2_OPLOCK_BREAK_HE    0x0012
  61
  62 /* The same list in little endian */
  63 #define SMB2_NEGOTIATE          cpu_to_le16(SMB2_NEGOTIATE_HE)
  64 #define SMB2_SESSION_SETUP      cpu_to_le16(SMB2_SESSION_SETUP_HE)
  65 #define SMB2_LOGOFF             cpu_to_le16(SMB2_LOGOFF_HE)
  66 #define SMB2_TREE_CONNECT       cpu_to_le16(SMB2_TREE_CONNECT_HE)
  67 #define SMB2_TREE_DISCONNECT    cpu_to_le16(SMB2_TREE_DISCONNECT_HE)
  68 #define SMB2_CREATE             cpu_to_le16(SMB2_CREATE_HE)
  69 #define SMB2_CLOSE              cpu_to_le16(SMB2_CLOSE_HE)
  70 #define SMB2_FLUSH              cpu_to_le16(SMB2_FLUSH_HE)
  71 #define SMB2_READ               cpu_to_le16(SMB2_READ_HE)
  72 #define SMB2_WRITE              cpu_to_le16(SMB2_WRITE_HE)
  73 #define SMB2_LOCK               cpu_to_le16(SMB2_LOCK_HE)
  74 #define SMB2_IOCTL              cpu_to_le16(SMB2_IOCTL_HE)
  75 #define SMB2_CANCEL             cpu_to_le16(SMB2_CANCEL_HE)
  76 #define SMB2_ECHO               cpu_to_le16(SMB2_ECHO_HE)
  77 #define SMB2_QUERY_DIRECTORY    cpu_to_le16(SMB2_QUERY_DIRECTORY_HE)
  78 #define SMB2_CHANGE_NOTIFY      cpu_to_le16(SMB2_CHANGE_NOTIFY_HE)
  79 #define SMB2_QUERY_INFO         cpu_to_le16(SMB2_QUERY_INFO_HE)
  80 #define SMB2_SET_INFO           cpu_to_le16(SMB2_SET_INFO_HE)
  81 #define SMB2_OPLOCK_BREAK       cpu_to_le16(SMB2_OPLOCK_BREAK_HE)
  82
  83 #define NUMBER_OF_SMB2_COMMANDS 0x0013
  84
  85 /* BB FIXME - analyze following length BB */
  86 #define MAX_SMB2_HDR_SIZE 0x78 /* 4 len + 64 hdr + (2*24 wct) + 2 bct + 2 pad */
  87
  88 #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe)
  89
  90 /*
  91  * SMB2 Header Definition
  92  *
  93  * "MBZ" :  Must be Zero
  94  * "BB"  :  BugBug, Something to check/review/analyze later
  95  * "PDU" :  "Protocol Data Unit" (ie a network "frame")
  96  *
  97  */
  98
  99 #define SMB2_HEADER_STRUCTURE_SIZE cpu_to_le16(64)
 100
 101 struct smb2_hdr {
 102         __be32 smb2_buf_length; /* big endian on wire */
 103                                 /* length is only two or three bytes - with
 104                                  one or two byte type preceding it that MBZ */
 105         __u8   ProtocolId[4];   /* 0xFE 'S' 'M' 'B' */
 106         __le16 StructureSize;   /* 64 */
 107         __le16 CreditCharge;    /* MBZ */
 108         __le32 Status;          /* Error from server */
 109         __le16 Command;
 110         __le16 CreditRequest;  /* CreditResponse */
 111         __le32 Flags;
 112         __le32 NextCommand;
 113         __le64 MessageId;
 114         __le32 ProcessId;
 115         __u32  TreeId;          /* opaque - so do not make little endian */
 116         __u64  SessionId;       /* opaque - so do not make little endian */
 117         __u8   Signature[16];
 118 } __packed;
 119
 120 struct smb2_pdu {
 121         struct smb2_hdr hdr;
 122         __le16 StructureSize2; /* size of wct area (varies, request specific) */
 123 } __packed;
 124
 125 struct smb2_transform_hdr {
 126         __be32 smb2_buf_length; /* big endian on wire */
 127                                 /* length is only two or three bytes - with
 128                                  one or two byte type preceding it that MBZ */
 129         __u8   ProtocolId[4];   /* 0xFD 'S' 'M' 'B' */
 130         __u8   Signature[16];
 131         __u8   Nonce[11];
 132         __u8   Reserved[5];
 133         __le32 OriginalMessageSize;
 134         __u16  Reserved1;
 135         __le16 EncryptionAlgorithm;
 136         __u64  SessionId;
 137 } __packed;
 138
 139 /*
 140  *      SMB2 flag definitions
 141  */
 142 #define SMB2_FLAGS_SERVER_TO_REDIR      cpu_to_le32(0x00000001)
 143 #define SMB2_FLAGS_ASYNC_COMMAND        cpu_to_le32(0x00000002)
 144 #define SMB2_FLAGS_RELATED_OPERATIONS   cpu_to_le32(0x00000004)
 145 #define SMB2_FLAGS_SIGNED               cpu_to_le32(0x00000008)
 146 #define SMB2_FLAGS_DFS_OPERATIONS       cpu_to_le32(0x10000000)
 147
 148 /*
 149  *      Definitions for SMB2 Protocol Data Units (network frames)
 150  *
 151  *  See MS-SMB2.PDF specification for protocol details.
 152  *  The Naming convention is the lower case version of the SMB2
 153  *  command code name for the struct. Note that structures must be packed.
 154  *
 155  */
 156
 157 #define SMB2_ERROR_STRUCTURE_SIZE2 cpu_to_le16(9)
 158
 159 struct smb2_err_rsp {
 160         struct smb2_hdr hdr;
 161         __le16 StructureSize;
 162         __le16 Reserved; /* MBZ */
 163         __le32 ByteCount;  /* even if zero, at least one byte follows */
 164         __u8   ErrorData[1];  /* variable length */
 165 } __packed;
 166
 167 struct smb2_symlink_err_rsp {
 168         __le32 SymLinkLength;
 169         __le32 SymLinkErrorTag;
 170         __le32 ReparseTag;
 171         __le16 ReparseDataLength;
 172         __le16 UnparsedPathLength;
 173         __le16 SubstituteNameOffset;
 174         __le16 SubstituteNameLength;
 175         __le16 PrintNameOffset;
 176         __le16 PrintNameLength;
 177         __le32 Flags;
 178         __u8  PathBuffer[0];
 179 } __packed;
 180
 181 #define SMB2_CLIENT_GUID_SIZE 16
 182
 183 struct smb2_negotiate_req {
 184         struct smb2_hdr hdr;
 185         __le16 StructureSize; /* Must be 36 */
 186         __le16 DialectCount;
 187         __le16 SecurityMode;
 188         __le16 Reserved;        /* MBZ */
 189         __le32 Capabilities;
 190         __u8   ClientGUID[SMB2_CLIENT_GUID_SIZE];
 191         /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */
 192         __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */
 193         __le16 NegotiateContextCount;  /* SMB3.1.1 only. MBZ earlier */
 194         __le16 Reserved2;
 195         __le16 Dialects[1]; /* One dialect (vers=) at a time for now */
 196 } __packed;
 197
 198 /* Dialects */
 199 #define SMB20_PROT_ID 0x0202
 200 #define SMB21_PROT_ID 0x0210
 201 #define SMB30_PROT_ID 0x0300
 202 #define SMB302_PROT_ID 0x0302
 203 #define SMB311_PROT_ID 0x0311
 204 #define BAD_PROT_ID   0xFFFF
 205
 206 /* SecurityMode flags */
 207 #define SMB2_NEGOTIATE_SIGNING_ENABLED  0x0001
 208 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002
 209 /* Capabilities flags */
 210 #define SMB2_GLOBAL_CAP_DFS             0x00000001
 211 #define SMB2_GLOBAL_CAP_LEASING         0x00000002 /* Resp only New to SMB2.1 */
 212 #define SMB2_GLOBAL_CAP_LARGE_MTU       0X00000004 /* Resp only New to SMB2.1 */
 213 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL   0x00000008 /* New to SMB3 */
 214 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */
 215 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING  0x00000020 /* New to SMB3 */
 216 #define SMB2_GLOBAL_CAP_ENCRYPTION      0x00000040 /* New to SMB3 */
 217 /* Internal types */
 218 #define SMB2_NT_FIND                    0x00100000
 219 #define SMB2_LARGE_FILES                0x00200000
 220
 221 #define SMB311_SALT_SIZE                        32
 222 /* Hash Algorithm Types */
 223 #define SMB2_PREAUTH_INTEGRITY_SHA512   cpu_to_le16(0x0001)
 224
 225 struct smb2_preauth_neg_context {
 226         __le16  ContextType; /* 1 */
 227         __le16  DataLength;
 228         __le32  Reserved;
 229         __le16  HashAlgorithmCount; /* 1 */
 230         __le16  SaltLength;
 231         __le16  HashAlgorithms; /* HashAlgorithms[0] since only one defined */
 232         __u8    Salt[SMB311_SALT_SIZE];
 233 } __packed;
 234
 235 /* Encryption Algorithms Ciphers */
 236 #define SMB2_ENCRYPTION_AES128_CCM      cpu_to_le16(0x0001)
 237 #define SMB2_ENCRYPTION_AES128_GCM      cpu_to_le16(0x0002)
 238
 239 struct smb2_encryption_neg_context {
 240         __le16  ContextType; /* 2 */
 241         __le16  DataLength;
 242         __le32  Reserved;
 243         __le16  CipherCount; /* AES-128-GCM and AES-128-CCM */
 244         __le16  Ciphers[2]; /* Ciphers[0] since only one used now */
 245 } __packed;
 246
 247 struct smb2_negotiate_rsp {
 248         struct smb2_hdr hdr;
 249         __le16 StructureSize;   /* Must be 65 */
 250         __le16 SecurityMode;
 251         __le16 DialectRevision;
 252         __le16 NegotiateContextCount;   /* Prior to SMB3.1.1 was Reserved & MBZ */
 253         __u8   ServerGUID[16];
 254         __le32 Capabilities;
 255         __le32 MaxTransactSize;
 256         __le32 MaxReadSize;
 257         __le32 MaxWriteSize;
 258         __le64 SystemTime;      /* MBZ */
 259         __le64 ServerStartTime;
 260         __le16 SecurityBufferOffset;
 261         __le16 SecurityBufferLength;
 262         __le32 NegotiateContextOffset;  /* Pre:SMB3.1.1 was reserved/ignored */
 263         __u8   Buffer[1];       /* variable length GSS security buffer */
 264 } __packed;
 265
 266 /* Flags */
 267 #define SMB2_SESSION_REQ_FLAG_BINDING           0x01
 268 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA      0x04
 269
 270 struct smb2_sess_setup_req {
 271         struct smb2_hdr hdr;
 272         __le16 StructureSize; /* Must be 25 */
 273         __u8   Flags;
 274         __u8   SecurityMode;
 275         __le32 Capabilities;
 276         __le32 Channel;
 277         __le16 SecurityBufferOffset;
 278         __le16 SecurityBufferLength;
 279         __le64 PreviousSessionId;
 280         __u8   Buffer[1];       /* variable length GSS security buffer */
 281 } __packed;
 282
 283 /* Currently defined SessionFlags */
 284 #define SMB2_SESSION_FLAG_IS_GUEST      0x0001
 285 #define SMB2_SESSION_FLAG_IS_NULL       0x0002
 286 #define SMB2_SESSION_FLAG_ENCRYPT_DATA  0x0004
 287 struct smb2_sess_setup_rsp {
 288         struct smb2_hdr hdr;
 289         __le16 StructureSize; /* Must be 9 */
 290         __le16 SessionFlags;
 291         __le16 SecurityBufferOffset;
 292         __le16 SecurityBufferLength;
 293         __u8   Buffer[1];       /* variable length GSS security buffer */
 294 } __packed;
 295
 296 struct smb2_logoff_req {
 297         struct smb2_hdr hdr;
 298         __le16 StructureSize;   /* Must be 4 */
 299         __le16 Reserved;
 300 } __packed;
 301
 302 struct smb2_logoff_rsp {
 303         struct smb2_hdr hdr;
 304         __le16 StructureSize;   /* Must be 4 */
 305         __le16 Reserved;
 306 } __packed;
 307
 308 /* Flags/Reserved for SMB3.1.1 */
 309 #define SMB2_SHAREFLAG_CLUSTER_RECONNECT        0x0001
 310
 311 struct smb2_tree_connect_req {
 312         struct smb2_hdr hdr;
 313         __le16 StructureSize;   /* Must be 9 */
 314         __le16 Reserved; /* Flags in SMB3.1.1 */
 315         __le16 PathOffset;
 316         __le16 PathLength;
 317         __u8   Buffer[1];       /* variable length */
 318 } __packed;
 319
 320 struct smb2_tree_connect_rsp {
 321         struct smb2_hdr hdr;
 322         __le16 StructureSize;   /* Must be 16 */
 323         __u8   ShareType;  /* see below */
 324         __u8   Reserved;
 325         __le32 ShareFlags; /* see below */
 326         __le32 Capabilities; /* see below */
 327         __le32 MaximalAccess;
 328 } __packed;
 329
 330 /* Possible ShareType values */
 331 #define SMB2_SHARE_TYPE_DISK    0x01
 332 #define SMB2_SHARE_TYPE_PIPE    0x02
 333 #define SMB2_SHARE_TYPE_PRINT   0x03
 334
 335 /*
 336  * Possible ShareFlags - exactly one and only one of the first 4 caching flags
 337  * must be set (any of the remaining, SHI1005, flags may be set individually
 338  * or in combination.
 339  */
 340 #define SMB2_SHAREFLAG_MANUAL_CACHING                   0x00000000
 341 #define SMB2_SHAREFLAG_AUTO_CACHING                     0x00000010
 342 #define SMB2_SHAREFLAG_VDO_CACHING                      0x00000020
 343 #define SMB2_SHAREFLAG_NO_CACHING                       0x00000030
 344 #define SHI1005_FLAGS_DFS                               0x00000001
 345 #define SHI1005_FLAGS_DFS_ROOT                          0x00000002
 346 #define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS          0x00000100
 347 #define SHI1005_FLAGS_FORCE_SHARED_DELETE               0x00000200
 348 #define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING           0x00000400
 349 #define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM       0x00000800
 350 #define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK              0x00001000
 351 #define SHI1005_FLAGS_ENABLE_HASH_V1                    0x00002000
 352 #define SHI1005_FLAGS_ENABLE_HASH_V2                    0x00004000
 353 #define SHI1005_FLAGS_ENCRYPT_DATA                      0x00008000
 354 #define SHI1005_FLAGS_ALL                               0x0000FF33
 355
 356 /* Possible share capabilities */
 357 #define SMB2_SHARE_CAP_DFS      cpu_to_le32(0x00000008) /* all dialects */
 358 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */
 359 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */
 360 #define SMB2_SHARE_CAP_CLUSTER  cpu_to_le32(0x00000040) /* 3.0 */
 361 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */
 362
 363 struct smb2_tree_disconnect_req {
 364         struct smb2_hdr hdr;
 365         __le16 StructureSize;   /* Must be 4 */
 366         __le16 Reserved;
 367 } __packed;
 368
 369 struct smb2_tree_disconnect_rsp {
 370         struct smb2_hdr hdr;
 371         __le16 StructureSize;   /* Must be 4 */
 372         __le16 Reserved;
 373 } __packed;
 374
 375 /* File Attrubutes */
 376 #define FILE_ATTRIBUTE_READONLY                 0x00000001
 377 #define FILE_ATTRIBUTE_HIDDEN                   0x00000002
 378 #define FILE_ATTRIBUTE_SYSTEM                   0x00000004
 379 #define FILE_ATTRIBUTE_DIRECTORY                0x00000010
 380 #define FILE_ATTRIBUTE_ARCHIVE                  0x00000020
 381 #define FILE_ATTRIBUTE_NORMAL                   0x00000080
 382 #define FILE_ATTRIBUTE_TEMPORARY                0x00000100
 383 #define FILE_ATTRIBUTE_SPARSE_FILE              0x00000200
 384 #define FILE_ATTRIBUTE_REPARSE_POINT            0x00000400
 385 #define FILE_ATTRIBUTE_COMPRESSED               0x00000800
 386 #define FILE_ATTRIBUTE_OFFLINE                  0x00001000
 387 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED      0x00002000
 388 #define FILE_ATTRIBUTE_ENCRYPTED                0x00004000
 389 #define FILE_ATTRIBUTE_INTEGRITY_STREAM         0x00008000
 390 #define FILE_ATTRIBUTE_NO_SCRUB_DATA            0x00020000
 391
 392 /* Oplock levels */
 393 #define SMB2_OPLOCK_LEVEL_NONE          0x00
 394 #define SMB2_OPLOCK_LEVEL_II            0x01
 395 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE     0x08
 396 #define SMB2_OPLOCK_LEVEL_BATCH         0x09
 397 #define SMB2_OPLOCK_LEVEL_LEASE         0xFF
 398 /* Non-spec internal type */
 399 #define SMB2_OPLOCK_LEVEL_NOCHANGE      0x99
 400
 401 /* Desired Access Flags */
 402 #define FILE_READ_DATA_LE               cpu_to_le32(0x00000001)
 403 #define FILE_WRITE_DATA_LE              cpu_to_le32(0x00000002)
 404 #define FILE_APPEND_DATA_LE             cpu_to_le32(0x00000004)
 405 #define FILE_READ_EA_LE                 cpu_to_le32(0x00000008)
 406 #define FILE_WRITE_EA_LE                cpu_to_le32(0x00000010)
 407 #define FILE_EXECUTE_LE                 cpu_to_le32(0x00000020)
 408 #define FILE_READ_ATTRIBUTES_LE         cpu_to_le32(0x00000080)
 409 #define FILE_WRITE_ATTRIBUTES_LE        cpu_to_le32(0x00000100)
 410 #define FILE_DELETE_LE                  cpu_to_le32(0x00010000)
 411 #define FILE_READ_CONTROL_LE            cpu_to_le32(0x00020000)
 412 #define FILE_WRITE_DAC_LE               cpu_to_le32(0x00040000)
 413 #define FILE_WRITE_OWNER_LE             cpu_to_le32(0x00080000)
 414 #define FILE_SYNCHRONIZE_LE             cpu_to_le32(0x00100000)
 415 #define FILE_ACCESS_SYSTEM_SECURITY_LE  cpu_to_le32(0x01000000)
 416 #define FILE_MAXIMAL_ACCESS_LE          cpu_to_le32(0x02000000)
 417 #define FILE_GENERIC_ALL_LE             cpu_to_le32(0x10000000)
 418 #define FILE_GENERIC_EXECUTE_LE         cpu_to_le32(0x20000000)
 419 #define FILE_GENERIC_WRITE_LE           cpu_to_le32(0x40000000)
 420 #define FILE_GENERIC_READ_LE            cpu_to_le32(0x80000000)
 421
 422 /* ShareAccess Flags */
 423 #define FILE_SHARE_READ_LE              cpu_to_le32(0x00000001)
 424 #define FILE_SHARE_WRITE_LE             cpu_to_le32(0x00000002)
 425 #define FILE_SHARE_DELETE_LE            cpu_to_le32(0x00000004)
 426 #define FILE_SHARE_ALL_LE               cpu_to_le32(0x00000007)
 427
 428 /* CreateDisposition Flags */
 429 #define FILE_SUPERSEDE_LE               cpu_to_le32(0x00000000)
 430 #define FILE_OPEN_LE                    cpu_to_le32(0x00000001)
 431 #define FILE_CREATE_LE                  cpu_to_le32(0x00000002)
 432 #define FILE_OPEN_IF_LE                 cpu_to_le32(0x00000003)
 433 #define FILE_OVERWRITE_LE               cpu_to_le32(0x00000004)
 434 #define FILE_OVERWRITE_IF_LE            cpu_to_le32(0x00000005)
 435
 436 /* CreateOptions Flags */
 437 #define FILE_DIRECTORY_FILE_LE          cpu_to_le32(0x00000001)
 438 /* same as #define CREATE_NOT_FILE_LE   cpu_to_le32(0x00000001) */
 439 #define FILE_WRITE_THROUGH_LE           cpu_to_le32(0x00000002)
 440 #define FILE_SEQUENTIAL_ONLY_LE         cpu_to_le32(0x00000004)
 441 #define FILE_NO_INTERMEDIATE_BUFFERRING_LE cpu_to_le32(0x00000008)
 442 #define FILE_SYNCHRONOUS_IO_ALERT_LE    cpu_to_le32(0x00000010)
 443 #define FILE_SYNCHRONOUS_IO_NON_ALERT_LE        cpu_to_le32(0x00000020)
 444 #define FILE_NON_DIRECTORY_FILE_LE      cpu_to_le32(0x00000040)
 445 #define FILE_COMPLETE_IF_OPLOCKED_LE    cpu_to_le32(0x00000100)
 446 #define FILE_NO_EA_KNOWLEDGE_LE         cpu_to_le32(0x00000200)
 447 #define FILE_RANDOM_ACCESS_LE           cpu_to_le32(0x00000800)
 448 #define FILE_DELETE_ON_CLOSE_LE         cpu_to_le32(0x00001000)
 449 #define FILE_OPEN_BY_FILE_ID_LE         cpu_to_le32(0x00002000)
 450 #define FILE_OPEN_FOR_BACKUP_INTENT_LE  cpu_to_le32(0x00004000)
 451 #define FILE_NO_COMPRESSION_LE          cpu_to_le32(0x00008000)
 452 #define FILE_RESERVE_OPFILTER_LE        cpu_to_le32(0x00100000)
 453 #define FILE_OPEN_REPARSE_POINT_LE      cpu_to_le32(0x00200000)
 454 #define FILE_OPEN_NO_RECALL_LE          cpu_to_le32(0x00400000)
 455 #define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000)
 456
 457 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \
 458                         | FILE_READ_ATTRIBUTES_LE)
 459 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \
 460                         | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE)
 461 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE)
 462
 463 /* Impersonation Levels */
 464 #define IL_ANONYMOUS            cpu_to_le32(0x00000000)
 465 #define IL_IDENTIFICATION       cpu_to_le32(0x00000001)
 466 #define IL_IMPERSONATION        cpu_to_le32(0x00000002)
 467 #define IL_DELEGATE             cpu_to_le32(0x00000003)
 468
 469 /* Create Context Values */
 470 #define SMB2_CREATE_EA_BUFFER                   "ExtA" /* extended attributes */
 471 #define SMB2_CREATE_SD_BUFFER                   "SecD" /* security descriptor */
 472 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST      "DHnQ"
 473 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT    "DHnC"
 474 #define SMB2_CREATE_ALLOCATION_SIZE             "AISi"
 475 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc"
 476 #define SMB2_CREATE_TIMEWARP_REQUEST            "TWrp"
 477 #define SMB2_CREATE_QUERY_ON_DISK_ID            "QFid"
 478 #define SMB2_CREATE_REQUEST_LEASE               "RqLs"
 479 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2   "DH2Q"
 480 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C"
 481 #define SMB2_CREATE_APP_INSTANCE_ID     0x45BCA66AEFA7F74A9008FA462E144D74
 482 #define SVHDX_OPEN_DEVICE_CONTEXT       0x83CE6F1AD851E0986E34401CC9BCFCE9
 483
 484 struct smb2_create_req {
 485         struct smb2_hdr hdr;
 486         __le16 StructureSize;   /* Must be 57 */
 487         __u8   SecurityFlags;
 488         __u8   RequestedOplockLevel;
 489         __le32 ImpersonationLevel;
 490         __le64 SmbCreateFlags;
 491         __le64 Reserved;
 492         __le32 DesiredAccess;
 493         __le32 FileAttributes;
 494         __le32 ShareAccess;
 495         __le32 CreateDisposition;
 496         __le32 CreateOptions;
 497         __le16 NameOffset;
 498         __le16 NameLength;
 499         __le32 CreateContextsOffset;
 500         __le32 CreateContextsLength;
 501         __u8   Buffer[0];
 502 } __packed;
 503
 504 struct smb2_create_rsp {
 505         struct smb2_hdr hdr;
 506         __le16 StructureSize;   /* Must be 89 */
 507         __u8   OplockLevel;
 508         __u8   Reserved;
 509         __le32 CreateAction;
 510         __le64 CreationTime;
 511         __le64 LastAccessTime;
 512         __le64 LastWriteTime;
 513         __le64 ChangeTime;
 514         __le64 AllocationSize;
 515         __le64 EndofFile;
 516         __le32 FileAttributes;
 517         __le32 Reserved2;
 518         __u64  PersistentFileId; /* opaque endianness */
 519         __u64  VolatileFileId; /* opaque endianness */
 520         __le32 CreateContextsOffset;
 521         __le32 CreateContextsLength;
 522         __u8   Buffer[1];
 523 } __packed;
 524
 525 struct create_context {
 526         __le32 Next;
 527         __le16 NameOffset;
 528         __le16 NameLength;
 529         __le16 Reserved;
 530         __le16 DataOffset;
 531         __le32 DataLength;
 532         __u8 Buffer[0];
 533 } __packed;
 534
 535 #define SMB2_LEASE_READ_CACHING_HE      0x01
 536 #define SMB2_LEASE_HANDLE_CACHING_HE    0x02
 537 #define SMB2_LEASE_WRITE_CACHING_HE     0x04
 538
 539 #define SMB2_LEASE_NONE                 cpu_to_le32(0x00)
 540 #define SMB2_LEASE_READ_CACHING         cpu_to_le32(0x01)
 541 #define SMB2_LEASE_HANDLE_CACHING       cpu_to_le32(0x02)
 542 #define SMB2_LEASE_WRITE_CACHING        cpu_to_le32(0x04)
 543
 544 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x02)
 545
 546 #define SMB2_LEASE_KEY_SIZE 16
 547
 548 struct lease_context {
 549         __le64 LeaseKeyLow;
 550         __le64 LeaseKeyHigh;
 551         __le32 LeaseState;
 552         __le32 LeaseFlags;
 553         __le64 LeaseDuration;
 554 } __packed;
 555
 556 struct lease_context_v2 {
 557         __le64 LeaseKeyLow;
 558         __le64 LeaseKeyHigh;
 559         __le32 LeaseState;
 560         __le32 LeaseFlags;
 561         __le64 LeaseDuration;
 562         __le64 ParentLeaseKeyLow;
 563         __le64 ParentLeaseKeyHigh;
 564         __le16 Epoch;
 565         __le16 Reserved;
 566 } __packed;
 567
 568 struct create_lease {
 569         struct create_context ccontext;
 570         __u8   Name[8];
 571         struct lease_context lcontext;
 572 } __packed;
 573
 574 struct create_lease_v2 {
 575         struct create_context ccontext;
 576         __u8   Name[8];
 577         struct lease_context_v2 lcontext;
 578         __u8   Pad[4];
 579 } __packed;
 580
 581 struct create_durable {
 582         struct create_context ccontext;
 583         __u8   Name[8];
 584         union {
 585                 __u8  Reserved[16];
 586                 struct {
 587                         __u64 PersistentFileId;
 588                         __u64 VolatileFileId;
 589                 } Fid;
 590         } Data;
 591 } __packed;
 592
 593 /* See MS-SMB2 2.2.13.2.11 */
 594 /* Flags */
 595 #define SMB2_DHANDLE_FLAG_PERSISTENT    0x00000002
 596 struct durable_context_v2 {
 597         __le32 Timeout;
 598         __le32 Flags;
 599         __u64 Reserved;
 600         __u8 CreateGuid[16];
 601 } __packed;
 602
 603 struct create_durable_v2 {
 604         struct create_context ccontext;
 605         __u8   Name[8];
 606         struct durable_context_v2 dcontext;
 607 } __packed;
 608
 609 /* See MS-SMB2 2.2.13.2.12 */
 610 struct durable_reconnect_context_v2 {
 611         struct {
 612                 __u64 PersistentFileId;
 613                 __u64 VolatileFileId;
 614         } Fid;
 615         __u8 CreateGuid[16];
 616         __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
 617 } __packed;
 618
 619 /* See MS-SMB2 2.2.14.2.12 */
 620 struct durable_reconnect_context_v2_rsp {
 621         __le32 Timeout;
 622         __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
 623 } __packed;
 624
 625 struct create_durable_handle_reconnect_v2 {
 626         struct create_context ccontext;
 627         __u8   Name[8];
 628         struct durable_reconnect_context_v2 dcontext;
 629 } __packed;
 630
 631 #define COPY_CHUNK_RES_KEY_SIZE 24
 632 struct resume_key_req {
 633         char ResumeKey[COPY_CHUNK_RES_KEY_SIZE];
 634         __le32  ContextLength;  /* MBZ */
 635         char    Context[0];     /* ignored, Windows sets to 4 bytes of zero */
 636 } __packed;
 637
 638 /* this goes in the ioctl buffer when doing a copychunk request */
 639 struct copychunk_ioctl {
 640         char SourceKey[COPY_CHUNK_RES_KEY_SIZE];
 641         __le32 ChunkCount; /* we are only sending 1 */
 642         __le32 Reserved;
 643         /* array will only be one chunk long for us */
 644         __le64 SourceOffset;
 645         __le64 TargetOffset;
 646         __le32 Length; /* how many bytes to copy */
 647         __u32 Reserved2;
 648 } __packed;
 649
 650 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */
 651 struct file_zero_data_information {
 652         __le64  FileOffset;
 653         __le64  BeyondFinalZero;
 654 } __packed;
 655
 656 struct copychunk_ioctl_rsp {
 657         __le32 ChunksWritten;
 658         __le32 ChunkBytesWritten;
 659         __le32 TotalBytesWritten;
 660 } __packed;
 661
 662 struct fsctl_set_integrity_information_req {
 663         __le16  ChecksumAlgorithm;
 664         __le16  Reserved;
 665         __le32  Flags;
 666 } __packed;
 667
 668 struct fsctl_get_integrity_information_rsp {
 669         __le16  ChecksumAlgorithm;
 670         __le16  Reserved;
 671         __le32  Flags;
 672         __le32  ChecksumChunkSizeInBytes;
 673         __le32  ClusterSizeInBytes;
 674 } __packed;
 675
 676 /* Integrity ChecksumAlgorithm choices for above */
 677 #define CHECKSUM_TYPE_NONE      0x0000
 678 #define CHECKSUM_TYPE_CRC64     0x0002
 679 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF  /* set only */
 680
 681 /* Integrity flags for above */
 682 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF   0x00000001
 683
 684 /* See MS-SMB2 2.2.31.3 */
 685 struct network_resiliency_req {
 686         __le32 Timeout;
 687         __le32 Reserved;
 688 } __packed;
 689 /* There is no buffer for the response ie no struct network_resiliency_rsp */
 690
 691
 692 struct validate_negotiate_info_req {
 693         __le32 Capabilities;
 694         __u8   Guid[SMB2_CLIENT_GUID_SIZE];
 695         __le16 SecurityMode;
 696         __le16 DialectCount;
 697         __le16 Dialects[1]; /* dialect (someday maybe list) client asked for */
 698 } __packed;
 699
 700 struct validate_negotiate_info_rsp {
 701         __le32 Capabilities;
 702         __u8   Guid[SMB2_CLIENT_GUID_SIZE];
 703         __le16 SecurityMode;
 704         __le16 Dialect; /* Dialect in use for the connection */
 705 } __packed;
 706
 707 #define RSS_CAPABLE     0x00000001
 708 #define RDMA_CAPABLE    0x00000002
 709
 710 struct network_interface_info_ioctl_rsp {
 711         __le32 Next; /* next interface. zero if this is last one */
 712         __le32 IfIndex;
 713         __le32 Capability; /* RSS or RDMA Capable */
 714         __le32 Reserved;
 715         __le64 LinkSpeed;
 716         char    SockAddr_Storage[128];
 717 } __packed;
 718
 719 #define NO_FILE_ID 0xFFFFFFFFFFFFFFFFULL /* general ioctls to srv not to file */
 720
 721 struct compress_ioctl {
 722         __le16 CompressionState; /* See cifspdu.h for possible flag values */
 723 } __packed;
 724
 725 struct duplicate_extents_to_file {
 726         __u64 PersistentFileHandle; /* source file handle, opaque endianness */
 727         __u64 VolatileFileHandle;
 728         __le64 SourceFileOffset;
 729         __le64 TargetFileOffset;
 730         __le64 ByteCount;  /* Bytes to be copied */
 731 } __packed;
 732
 733 struct smb2_ioctl_req {
 734         struct smb2_hdr hdr;
 735         __le16 StructureSize;   /* Must be 57 */
 736         __u16 Reserved;
 737         __le32 CtlCode;
 738         __u64  PersistentFileId; /* opaque endianness */
 739         __u64  VolatileFileId; /* opaque endianness */
 740         __le32 InputOffset;
 741         __le32 InputCount;
 742         __le32 MaxInputResponse;
 743         __le32 OutputOffset;
 744         __le32 OutputCount;
 745         __le32 MaxOutputResponse;
 746         __le32 Flags;
 747         __u32  Reserved2;
 748         __u8   Buffer[0];
 749 } __packed;
 750
 751 struct smb2_ioctl_rsp {
 752         struct smb2_hdr hdr;
 753         __le16 StructureSize;   /* Must be 57 */
 754         __u16 Reserved;
 755         __le32 CtlCode;
 756         __u64  PersistentFileId; /* opaque endianness */
 757         __u64  VolatileFileId; /* opaque endianness */
 758         __le32 InputOffset;
 759         __le32 InputCount;
 760         __le32 OutputOffset;
 761         __le32 OutputCount;
 762         __le32 Flags;
 763         __u32  Reserved2;
 764         /* char * buffer[] */
 765 } __packed;
 766
 767 /* Currently defined values for close flags */
 768 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB        cpu_to_le16(0x0001)
 769 struct smb2_close_req {
 770         struct smb2_hdr hdr;
 771         __le16 StructureSize;   /* Must be 24 */
 772         __le16 Flags;
 773         __le32 Reserved;
 774         __u64  PersistentFileId; /* opaque endianness */
 775         __u64  VolatileFileId; /* opaque endianness */
 776 } __packed;
 777
 778 struct smb2_close_rsp {
 779         struct smb2_hdr hdr;
 780         __le16 StructureSize; /* 60 */
 781         __le16 Flags;
 782         __le32 Reserved;
 783         __le64 CreationTime;
 784         __le64 LastAccessTime;
 785         __le64 LastWriteTime;
 786         __le64 ChangeTime;
 787         __le64 AllocationSize;  /* Beginning of FILE_STANDARD_INFO equivalent */
 788         __le64 EndOfFile;
 789         __le32 Attributes;
 790 } __packed;
 791
 792 struct smb2_flush_req {
 793         struct smb2_hdr hdr;
 794         __le16 StructureSize;   /* Must be 24 */
 795         __le16 Reserved1;
 796         __le32 Reserved2;
 797         __u64  PersistentFileId; /* opaque endianness */
 798         __u64  VolatileFileId; /* opaque endianness */
 799 } __packed;
 800
 801 struct smb2_flush_rsp {
 802         struct smb2_hdr hdr;
 803         __le16 StructureSize;
 804         __le16 Reserved;
 805 } __packed;
 806
 807 /* For read request Flags field below, following flag is defined for SMB3.02 */
 808 #define SMB2_READFLAG_READ_UNBUFFERED   0x01
 809
 810 /* Channel field for read and write: exactly one of following flags can be set*/
 811 #define SMB2_CHANNEL_NONE               0x00000000
 812 #define SMB2_CHANNEL_RDMA_V1            0x00000001 /* SMB3 or later */
 813 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE 0x00000001 /* SMB3.02 or later */
 814
 815 struct smb2_read_req {
 816         struct smb2_hdr hdr;
 817         __le16 StructureSize; /* Must be 49 */
 818         __u8   Padding; /* offset from start of SMB2 header to place read */
 819         __u8   Flags; /* MBZ unless SMB3.02 or later */
 820         __le32 Length;
 821         __le64 Offset;
 822         __u64  PersistentFileId; /* opaque endianness */
 823         __u64  VolatileFileId; /* opaque endianness */
 824         __le32 MinimumCount;
 825         __le32 Channel; /* MBZ except for SMB3 or later */
 826         __le32 RemainingBytes;
 827         __le16 ReadChannelInfoOffset; /* Reserved MBZ */
 828         __le16 ReadChannelInfoLength; /* Reserved MBZ */
 829         __u8   Buffer[1];
 830 } __packed;
 831
 832 struct smb2_read_rsp {
 833         struct smb2_hdr hdr;
 834         __le16 StructureSize; /* Must be 17 */
 835         __u8   DataOffset;
 836         __u8   Reserved;
 837         __le32 DataLength;
 838         __le32 DataRemaining;
 839         __u32  Reserved2;
 840         __u8   Buffer[1];
 841 } __packed;
 842
 843 /* For write request Flags field below the following flags are defined: */
 844 #define SMB2_WRITEFLAG_WRITE_THROUGH    0x00000001      /* SMB2.1 or later */
 845 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002      /* SMB3.02 or later */
 846
 847 struct smb2_write_req {
 848         struct smb2_hdr hdr;
 849         __le16 StructureSize; /* Must be 49 */
 850         __le16 DataOffset; /* offset from start of SMB2 header to write data */
 851         __le32 Length;
 852         __le64 Offset;
 853         __u64  PersistentFileId; /* opaque endianness */
 854         __u64  VolatileFileId; /* opaque endianness */
 855         __le32 Channel; /* Reserved MBZ */
 856         __le32 RemainingBytes;
 857         __le16 WriteChannelInfoOffset; /* Reserved MBZ */
 858         __le16 WriteChannelInfoLength; /* Reserved MBZ */
 859         __le32 Flags;
 860         __u8   Buffer[1];
 861 } __packed;
 862
 863 struct smb2_write_rsp {
 864         struct smb2_hdr hdr;
 865         __le16 StructureSize; /* Must be 17 */
 866         __u8   DataOffset;
 867         __u8   Reserved;
 868         __le32 DataLength;
 869         __le32 DataRemaining;
 870         __u32  Reserved2;
 871         __u8   Buffer[1];
 872 } __packed;
 873
 874 #define SMB2_LOCKFLAG_SHARED_LOCK       0x0001
 875 #define SMB2_LOCKFLAG_EXCLUSIVE_LOCK    0x0002
 876 #define SMB2_LOCKFLAG_UNLOCK            0x0004
 877 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY  0x0010
 878
 879 struct smb2_lock_element {
 880         __le64 Offset;
 881         __le64 Length;
 882         __le32 Flags;
 883         __le32 Reserved;
 884 } __packed;
 885
 886 struct smb2_lock_req {
 887         struct smb2_hdr hdr;
 888         __le16 StructureSize; /* Must be 48 */
 889         __le16 LockCount;
 890         __le32 Reserved;
 891         __u64  PersistentFileId; /* opaque endianness */
 892         __u64  VolatileFileId; /* opaque endianness */
 893         /* Followed by at least one */
 894         struct smb2_lock_element locks[1];
 895 } __packed;
 896
 897 struct smb2_lock_rsp {
 898         struct smb2_hdr hdr;
 899         __le16 StructureSize; /* Must be 4 */
 900         __le16 Reserved;
 901 } __packed;
 902
 903 struct smb2_echo_req {
 904         struct smb2_hdr hdr;
 905         __le16 StructureSize;   /* Must be 4 */
 906         __u16  Reserved;
 907 } __packed;
 908
 909 struct smb2_echo_rsp {
 910         struct smb2_hdr hdr;
 911         __le16 StructureSize;   /* Must be 4 */
 912         __u16  Reserved;
 913 } __packed;
 914
 915 /* search (query_directory) Flags field */
 916 #define SMB2_RESTART_SCANS              0x01
 917 #define SMB2_RETURN_SINGLE_ENTRY        0x02
 918 #define SMB2_INDEX_SPECIFIED            0x04
 919 #define SMB2_REOPEN                     0x10
 920
 921 struct smb2_query_directory_req {
 922         struct smb2_hdr hdr;
 923         __le16 StructureSize; /* Must be 33 */
 924         __u8   FileInformationClass;
 925         __u8   Flags;
 926         __le32 FileIndex;
 927         __u64  PersistentFileId; /* opaque endianness */
 928         __u64  VolatileFileId; /* opaque endianness */
 929         __le16 FileNameOffset;
 930         __le16 FileNameLength;
 931         __le32 OutputBufferLength;
 932         __u8   Buffer[1];
 933 } __packed;
 934
 935 struct smb2_query_directory_rsp {
 936         struct smb2_hdr hdr;
 937         __le16 StructureSize; /* Must be 9 */
 938         __le16 OutputBufferOffset;
 939         __le32 OutputBufferLength;
 940         __u8   Buffer[1];
 941 } __packed;
 942
 943 /* Possible InfoType values */
 944 #define SMB2_O_INFO_FILE        0x01
 945 #define SMB2_O_INFO_FILESYSTEM  0x02
 946 #define SMB2_O_INFO_SECURITY    0x03
 947 #define SMB2_O_INFO_QUOTA       0x04
 948
 949 /* Security info type additionalinfo flags. See MS-SMB2 (2.2.37) or MS-DTYP */
 950 #define OWNER_SECINFO   0x00000001
 951 #define GROUP_SECINFO   0x00000002
 952 #define DACL_SECINFO   0x00000004
 953 #define SACL_SECINFO   0x00000008
 954 #define LABEL_SECINFO   0x00000010
 955 #define ATTRIBUTE_SECINFO   0x00000020
 956 #define SCOPE_SECINFO   0x00000040
 957 #define BACKUP_SECINFO   0x00010000
 958 #define UNPROTECTED_SACL_SECINFO   0x10000000
 959 #define UNPROTECTED_DACL_SECINFO   0x20000000
 960 #define PROTECTED_SACL_SECINFO   0x40000000
 961 #define PROTECTED_DACL_SECINFO   0x80000000
 962
 963 /* Flags used for FileFullEAinfo */
 964 #define SL_RESTART_SCAN         0x00000001
 965 #define SL_RETURN_SINGLE_ENTRY  0x00000002
 966 #define SL_INDEX_SPECIFIED      0x00000004
 967
 968 struct smb2_query_info_req {
 969         struct smb2_hdr hdr;
 970         __le16 StructureSize; /* Must be 41 */
 971         __u8   InfoType;
 972         __u8   FileInfoClass;
 973         __le32 OutputBufferLength;
 974         __le16 InputBufferOffset;
 975         __u16  Reserved;
 976         __le32 InputBufferLength;
 977         __le32 AdditionalInformation;
 978         __le32 Flags;
 979         __u64  PersistentFileId; /* opaque endianness */
 980         __u64  VolatileFileId; /* opaque endianness */
 981         __u8   Buffer[1];
 982 } __packed;
 983
 984 struct smb2_query_info_rsp {
 985         struct smb2_hdr hdr;
 986         __le16 StructureSize; /* Must be 9 */
 987         __le16 OutputBufferOffset;
 988         __le32 OutputBufferLength;
 989         __u8   Buffer[1];
 990 } __packed;
 991
 992 struct smb2_set_info_req {
 993         struct smb2_hdr hdr;
 994         __le16 StructureSize; /* Must be 33 */
 995         __u8   InfoType;
 996         __u8   FileInfoClass;
 997         __le32 BufferLength;
 998         __le16 BufferOffset;
 999         __u16  Reserved;
1000         __le32 AdditionalInformation;
1001         __u64  PersistentFileId; /* opaque endianness */
1002         __u64  VolatileFileId; /* opaque endianness */
1003         __u8   Buffer[1];
1004 } __packed;
1005
1006 struct smb2_set_info_rsp {
1007         struct smb2_hdr hdr;
1008         __le16 StructureSize; /* Must be 2 */
1009 } __packed;
1010
1011 struct smb2_oplock_break {
1012         struct smb2_hdr hdr;
1013         __le16 StructureSize; /* Must be 24 */
1014         __u8   OplockLevel;
1015         __u8   Reserved;
1016         __le32 Reserved2;
1017         __u64  PersistentFid;
1018         __u64  VolatileFid;
1019 } __packed;
1020
1021 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01)
1022
1023 struct smb2_lease_break {
1024         struct smb2_hdr hdr;
1025         __le16 StructureSize; /* Must be 44 */
1026         __le16 Reserved;
1027         __le32 Flags;
1028         __u8   LeaseKey[16];
1029         __le32 CurrentLeaseState;
1030         __le32 NewLeaseState;
1031         __le32 BreakReason;
1032         __le32 AccessMaskHint;
1033         __le32 ShareMaskHint;
1034 } __packed;
1035
1036 struct smb2_lease_ack {
1037         struct smb2_hdr hdr;
1038         __le16 StructureSize; /* Must be 36 */
1039         __le16 Reserved;
1040         __le32 Flags;
1041         __u8   LeaseKey[16];
1042         __le32 LeaseState;
1043         __le64 LeaseDuration;
1044 } __packed;
1045
1046 /*
1047  *      PDU infolevel structure definitions
1048  *      BB consider moving to a different header
1049  */
1050
1051 /* File System Information Classes */
1052 #define FS_VOLUME_INFORMATION           1 /* Query */
1053 #define FS_LABEL_INFORMATION            2 /* Local only */
1054 #define FS_SIZE_INFORMATION             3 /* Query */
1055 #define FS_DEVICE_INFORMATION           4 /* Query */
1056 #define FS_ATTRIBUTE_INFORMATION        5 /* Query */
1057 #define FS_CONTROL_INFORMATION          6 /* Query, Set */
1058 #define FS_FULL_SIZE_INFORMATION        7 /* Query */
1059 #define FS_OBJECT_ID_INFORMATION        8 /* Query, Set */
1060 #define FS_DRIVER_PATH_INFORMATION      9 /* Local only */
1061 #define FS_VOLUME_FLAGS_INFORMATION     10 /* Local only */
1062 #define FS_SECTOR_SIZE_INFORMATION      11 /* SMB3 or later. Query */
1063
1064 struct smb2_fs_full_size_info {
1065         __le64 TotalAllocationUnits;
1066         __le64 CallerAvailableAllocationUnits;
1067         __le64 ActualAvailableAllocationUnits;
1068         __le32 SectorsPerAllocationUnit;
1069         __le32 BytesPerSector;
1070 } __packed;
1071
1072 #define SSINFO_FLAGS_ALIGNED_DEVICE             0x00000001
1073 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002
1074 #define SSINFO_FLAGS_NO_SEEK_PENALTY            0x00000004
1075 #define SSINFO_FLAGS_TRIM_ENABLED               0x00000008
1076
1077 /* sector size info struct */
1078 struct smb3_fs_ss_info {
1079         __le32 LogicalBytesPerSector;
1080         __le32 PhysicalBytesPerSectorForAtomicity;
1081         __le32 PhysicalBytesPerSectorForPerf;
1082         __le32 FileSystemEffectivePhysicalBytesPerSectorForAtomicity;
1083         __le32 Flags;
1084         __le32 ByteOffsetForSectorAlignment;
1085         __le32 ByteOffsetForPartitionAlignment;
1086 } __packed;
1087
1088 /* partial list of QUERY INFO levels */
1089 #define FILE_DIRECTORY_INFORMATION      1
1090 #define FILE_FULL_DIRECTORY_INFORMATION 2
1091 #define FILE_BOTH_DIRECTORY_INFORMATION 3
1092 #define FILE_BASIC_INFORMATION          4
1093 #define FILE_STANDARD_INFORMATION       5
1094 #define FILE_INTERNAL_INFORMATION       6
1095 #define FILE_EA_INFORMATION             7
1096 #define FILE_ACCESS_INFORMATION         8
1097 #define FILE_NAME_INFORMATION           9
1098 #define FILE_RENAME_INFORMATION         10
1099 #define FILE_LINK_INFORMATION           11
1100 #define FILE_NAMES_INFORMATION          12
1101 #define FILE_DISPOSITION_INFORMATION    13
1102 #define FILE_POSITION_INFORMATION       14
1103 #define FILE_FULL_EA_INFORMATION        15
1104 #define FILE_MODE_INFORMATION           16
1105 #define FILE_ALIGNMENT_INFORMATION      17
1106 #define FILE_ALL_INFORMATION            18
1107 #define FILE_ALLOCATION_INFORMATION     19
1108 #define FILE_END_OF_FILE_INFORMATION    20
1109 #define FILE_ALTERNATE_NAME_INFORMATION 21
1110 #define FILE_STREAM_INFORMATION         22
1111 #define FILE_PIPE_INFORMATION           23
1112 #define FILE_PIPE_LOCAL_INFORMATION     24
1113 #define FILE_PIPE_REMOTE_INFORMATION    25
1114 #define FILE_MAILSLOT_QUERY_INFORMATION 26
1115 #define FILE_MAILSLOT_SET_INFORMATION   27
1116 #define FILE_COMPRESSION_INFORMATION    28
1117 #define FILE_OBJECT_ID_INFORMATION      29
1118 /* Number 30 not defined in documents */
1119 #define FILE_MOVE_CLUSTER_INFORMATION   31
1120 #define FILE_QUOTA_INFORMATION          32
1121 #define FILE_REPARSE_POINT_INFORMATION  33
1122 #define FILE_NETWORK_OPEN_INFORMATION   34
1123 #define FILE_ATTRIBUTE_TAG_INFORMATION  35
1124 #define FILE_TRACKING_INFORMATION       36
1125 #define FILEID_BOTH_DIRECTORY_INFORMATION 37
1126 #define FILEID_FULL_DIRECTORY_INFORMATION 38
1127 #define FILE_VALID_DATA_LENGTH_INFORMATION 39
1128 #define FILE_SHORT_NAME_INFORMATION     40
1129 #define FILE_SFIO_RESERVE_INFORMATION   44
1130 #define FILE_SFIO_VOLUME_INFORMATION    45
1131 #define FILE_HARD_LINK_INFORMATION      46
1132 #define FILE_NORMALIZED_NAME_INFORMATION 48
1133 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50
1134 #define FILE_STANDARD_LINK_INFORMATION  54
1135
1136 struct smb2_file_internal_info {
1137         __le64 IndexNumber;
1138 } __packed; /* level 6 Query */
1139
1140 struct smb2_file_rename_info { /* encoding of request for level 10 */
1141         __u8   ReplaceIfExists; /* 1 = replace existing target with new */
1142                                 /* 0 = fail if target already exists */
1143         __u8   Reserved[7];
1144         __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1145         __le32 FileNameLength;
1146         char   FileName[0];     /* New name to be assigned */
1147 } __packed; /* level 10 Set */
1148
1149 struct smb2_file_link_info { /* encoding of request for level 11 */
1150         __u8   ReplaceIfExists; /* 1 = replace existing link with new */
1151                                 /* 0 = fail if link already exists */
1152         __u8   Reserved[7];
1153         __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
1154         __le32 FileNameLength;
1155         char   FileName[0];     /* Name to be assigned to new link */
1156 } __packed; /* level 11 Set */
1157
1158 /*
1159  * This level 18, although with struct with same name is different from cifs
1160  * level 0x107. Level 0x107 has an extra u64 between AccessFlags and
1161  * CurrentByteOffset.
1162  */
1163 struct smb2_file_all_info { /* data block encoding of response to level 18 */
1164         __le64 CreationTime;    /* Beginning of FILE_BASIC_INFO equivalent */
1165         __le64 LastAccessTime;
1166         __le64 LastWriteTime;
1167         __le64 ChangeTime;
1168         __le32 Attributes;
1169         __u32  Pad1;            /* End of FILE_BASIC_INFO_INFO equivalent */
1170         __le64 AllocationSize;  /* Beginning of FILE_STANDARD_INFO equivalent */
1171         __le64 EndOfFile;       /* size ie offset to first free byte in file */
1172         __le32 NumberOfLinks;   /* hard links */
1173         __u8   DeletePending;
1174         __u8   Directory;
1175         __u16  Pad2;            /* End of FILE_STANDARD_INFO equivalent */
1176         __le64 IndexNumber;
1177         __le32 EASize;
1178         __le32 AccessFlags;
1179         __le64 CurrentByteOffset;
1180         __le32 Mode;
1181         __le32 AlignmentRequirement;
1182         __le32 FileNameLength;
1183         char   FileName[1];
1184 } __packed; /* level 18 Query */
1185
1186 struct smb2_file_eof_info { /* encoding of request for level 10 */
1187         __le64 EndOfFile; /* new end of file value */
1188 } __packed; /* level 20 Set */
1189
1190 #endif                          /* _SMB2PDU_H */