1 /* SPDX-License-Identifier: LGPL-2.1 */
5 * Copyright (c) International Business Machines Corp., 2009, 2013
19 * Note that, due to trying to use names similar to the protocol specifications,
20 * there are many mixed case field names in the structures below. Although
21 * this does not match typical Linux kernel style, it is necessary to be
22 * able to match against the protocol specfication.
25 * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses
26 * (ie no useful data other than the SMB error code itself) and are marked such.
27 * Knowing this helps avoid response buffer allocations and copy in some cases.
30 /* List of commands in host endian */
31 #define SMB2_NEGOTIATE_HE 0x0000
32 #define SMB2_SESSION_SETUP_HE 0x0001
33 #define SMB2_LOGOFF_HE 0x0002 /* trivial request/resp */
34 #define SMB2_TREE_CONNECT_HE 0x0003
35 #define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */
36 #define SMB2_CREATE_HE 0x0005
37 #define SMB2_CLOSE_HE 0x0006
38 #define SMB2_FLUSH_HE 0x0007 /* trivial resp */
39 #define SMB2_READ_HE 0x0008
40 #define SMB2_WRITE_HE 0x0009
41 #define SMB2_LOCK_HE 0x000A
42 #define SMB2_IOCTL_HE 0x000B
43 #define SMB2_CANCEL_HE 0x000C
44 #define SMB2_ECHO_HE 0x000D
45 #define SMB2_QUERY_DIRECTORY_HE 0x000E
46 #define SMB2_CHANGE_NOTIFY_HE 0x000F
47 #define SMB2_QUERY_INFO_HE 0x0010
48 #define SMB2_SET_INFO_HE 0x0011
49 #define SMB2_OPLOCK_BREAK_HE 0x0012
51 /* The same list in little endian */
52 #define SMB2_NEGOTIATE cpu_to_le16(SMB2_NEGOTIATE_HE)
53 #define SMB2_SESSION_SETUP cpu_to_le16(SMB2_SESSION_SETUP_HE)
54 #define SMB2_LOGOFF cpu_to_le16(SMB2_LOGOFF_HE)
55 #define SMB2_TREE_CONNECT cpu_to_le16(SMB2_TREE_CONNECT_HE)
56 #define SMB2_TREE_DISCONNECT cpu_to_le16(SMB2_TREE_DISCONNECT_HE)
57 #define SMB2_CREATE cpu_to_le16(SMB2_CREATE_HE)
58 #define SMB2_CLOSE cpu_to_le16(SMB2_CLOSE_HE)
59 #define SMB2_FLUSH cpu_to_le16(SMB2_FLUSH_HE)
60 #define SMB2_READ cpu_to_le16(SMB2_READ_HE)
61 #define SMB2_WRITE cpu_to_le16(SMB2_WRITE_HE)
62 #define SMB2_LOCK cpu_to_le16(SMB2_LOCK_HE)
63 #define SMB2_IOCTL cpu_to_le16(SMB2_IOCTL_HE)
64 #define SMB2_CANCEL cpu_to_le16(SMB2_CANCEL_HE)
65 #define SMB2_ECHO cpu_to_le16(SMB2_ECHO_HE)
66 #define SMB2_QUERY_DIRECTORY cpu_to_le16(SMB2_QUERY_DIRECTORY_HE)
67 #define SMB2_CHANGE_NOTIFY cpu_to_le16(SMB2_CHANGE_NOTIFY_HE)
68 #define SMB2_QUERY_INFO cpu_to_le16(SMB2_QUERY_INFO_HE)
69 #define SMB2_SET_INFO cpu_to_le16(SMB2_SET_INFO_HE)
70 #define SMB2_OPLOCK_BREAK cpu_to_le16(SMB2_OPLOCK_BREAK_HE)
72 #define SMB2_INTERNAL_CMD cpu_to_le16(0xFFFF)
74 #define NUMBER_OF_SMB2_COMMANDS 0x0013
76 /* 52 transform hdr + 64 hdr + 88 create rsp */
77 #define SMB2_TRANSFORM_HEADER_SIZE 52
78 #define MAX_SMB2_HDR_SIZE 204
80 #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe)
81 #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd)
82 #define SMB2_COMPRESSION_TRANSFORM_ID cpu_to_le32(0x424d53fc)
85 * SMB2 Header Definition
87 * "MBZ" : Must be Zero
88 * "BB" : BugBug, Something to check/review/analyze later
89 * "PDU" : "Protocol Data Unit" (ie a network "frame")
93 #define SMB2_HEADER_STRUCTURE_SIZE cpu_to_le16(64)
95 struct smb2_sync_hdr {
96 __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */
97 __le16 StructureSize; /* 64 */
98 __le16 CreditCharge; /* MBZ */
99 __le32 Status; /* Error from server */
101 __le16 CreditRequest; /* CreditResponse */
106 __u32 TreeId; /* opaque - so do not make little endian */
107 __u64 SessionId; /* opaque - so do not make little endian */
111 /* The total header size for SMB2 read and write */
112 #define SMB2_READWRITE_PDU_HEADER_SIZE (48 + sizeof(struct smb2_sync_hdr))
114 struct smb2_sync_pdu {
115 struct smb2_sync_hdr sync_hdr;
116 __le16 StructureSize2; /* size of wct area (varies, request specific) */
119 #define SMB3_AES_CCM_NONCE 11
120 #define SMB3_AES_GCM_NONCE 12
122 /* Transform flags (for 3.0 dialect this flag indicates CCM */
123 #define TRANSFORM_FLAG_ENCRYPTED 0x0001
124 struct smb2_transform_hdr {
125 __le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */
128 __le32 OriginalMessageSize;
130 __le16 Flags; /* EncryptionAlgorithm for 3.0, enc enabled for 3.1.1 */
134 /* See MS-SMB2 2.2.42 */
135 struct smb2_compression_transform_hdr_unchained {
136 __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */
137 __le32 OriginalCompressedSegmentSize;
138 __le16 CompressionAlgorithm;
140 __le16 Length; /* if chained it is length, else offset */
143 /* See MS-SMB2 2.2.42.1 */
144 #define SMB2_COMPRESSION_FLAG_NONE 0x0000
145 #define SMB2_COMPRESSION_FLAG_CHAINED 0x0001
147 struct compression_payload_header {
148 __le16 CompressionAlgorithm;
150 __le32 Length; /* length of compressed playload including field below if present */
151 /* __le32 OriginalPayloadSize; */ /* optional, present when LZNT1, LZ77, LZ77+Huffman */
154 /* See MS-SMB2 2.2.42.2 */
155 struct smb2_compression_transform_hdr_chained {
156 __le32 ProtocolId; /* 0xFC 'S' 'M' 'B' */
157 __le32 OriginalCompressedSegmentSize;
158 /* struct compression_payload_header[] */
161 /* See MS-SMB2 2.2.42.2.2 */
162 struct compression_pattern_payload_v1 {
169 /* See MS-SMB2 2.2.43 */
170 struct smb2_rdma_transform {
171 __le16 RdmaDescriptorOffset;
172 __le16 RdmaDescriptorLength;
173 __le32 Channel; /* for values see channel description in smb2 read above */
174 __le16 TransformCount;
180 #define SMB2_RDMA_TRANSFORM_TYPE_ENCRYPTION 0x0001
181 #define SMB2_RDMA_TRANSFORM_TYPE_SIGNING 0x0002
183 struct smb2_rdma_crypto_transform {
184 __le16 TransformType;
185 __le16 SignatureLength;
188 __u8 Signature[]; /* variable length */
190 /* followed by padding */
194 * SMB2 flag definitions
196 #define SMB2_FLAGS_SERVER_TO_REDIR cpu_to_le32(0x00000001)
197 #define SMB2_FLAGS_ASYNC_COMMAND cpu_to_le32(0x00000002)
198 #define SMB2_FLAGS_RELATED_OPERATIONS cpu_to_le32(0x00000004)
199 #define SMB2_FLAGS_SIGNED cpu_to_le32(0x00000008)
200 #define SMB2_FLAGS_PRIORITY_MASK cpu_to_le32(0x00000070) /* SMB3.1.1 */
201 #define SMB2_FLAGS_DFS_OPERATIONS cpu_to_le32(0x10000000)
202 #define SMB2_FLAGS_REPLAY_OPERATION cpu_to_le32(0x20000000) /* SMB3 & up */
205 * Definitions for SMB2 Protocol Data Units (network frames)
207 * See MS-SMB2.PDF specification for protocol details.
208 * The Naming convention is the lower case version of the SMB2
209 * command code name for the struct. Note that structures must be packed.
213 #define COMPOUND_FID 0xFFFFFFFFFFFFFFFFULL
215 #define SMB2_ERROR_STRUCTURE_SIZE2 cpu_to_le16(9)
217 struct smb2_err_rsp {
218 struct smb2_sync_hdr sync_hdr;
219 __le16 StructureSize;
220 __le16 Reserved; /* MBZ */
221 __le32 ByteCount; /* even if zero, at least one byte follows */
222 __u8 ErrorData[1]; /* variable length */
225 #define SYMLINK_ERROR_TAG 0x4c4d5953
227 struct smb2_symlink_err_rsp {
228 __le32 SymLinkLength;
229 __le32 SymLinkErrorTag;
231 __le16 ReparseDataLength;
232 __le16 UnparsedPathLength;
233 __le16 SubstituteNameOffset;
234 __le16 SubstituteNameLength;
235 __le16 PrintNameOffset;
236 __le16 PrintNameLength;
241 /* SMB 3.1.1 and later dialects. See MS-SMB2 section 2.2.2.1 */
242 struct smb2_error_context_rsp {
243 __le32 ErrorDataLength;
245 __u8 ErrorContextData; /* ErrorDataLength long array */
249 #define SMB2_ERROR_ID_DEFAULT 0x00000000
250 #define SMB2_ERROR_ID_SHARE_REDIRECT cpu_to_le32(0x72645253) /* "rdRS" */
252 /* Defines for Type field below (see MS-SMB2 2.2.2.2.2.1) */
253 #define MOVE_DST_IPADDR_V4 cpu_to_le32(0x00000001)
254 #define MOVE_DST_IPADDR_V6 cpu_to_le32(0x00000002)
256 struct move_dst_ipaddr {
259 __u8 address[16]; /* IPv4 followed by 12 bytes rsvd or IPv6 address */
262 struct share_redirect_error_context_rsp {
263 __le32 StructureSize;
264 __le32 NotificationType;
265 __le32 ResourceNameOffset;
266 __le32 ResourceNameLength;
270 struct move_dst_ipaddr IpAddrMoveList[];
271 /* __u8 ResourceName[] */ /* Name of share as counted Unicode string */
274 #define SMB2_CLIENT_GUID_SIZE 16
276 struct smb2_negotiate_req {
277 struct smb2_sync_hdr sync_hdr;
278 __le16 StructureSize; /* Must be 36 */
281 __le16 Reserved; /* MBZ */
283 __u8 ClientGUID[SMB2_CLIENT_GUID_SIZE];
284 /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */
285 __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */
286 __le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */
288 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */
292 #define SMB10_PROT_ID 0x0000 /* local only, not sent on wire w/CIFS negprot */
293 #define SMB20_PROT_ID 0x0202
294 #define SMB21_PROT_ID 0x0210
295 #define SMB30_PROT_ID 0x0300
296 #define SMB302_PROT_ID 0x0302
297 #define SMB311_PROT_ID 0x0311
298 #define BAD_PROT_ID 0xFFFF
300 /* SecurityMode flags */
301 #define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001
302 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002
303 #define SMB2_SEC_MODE_FLAGS_ALL 0x0003
305 /* Capabilities flags */
306 #define SMB2_GLOBAL_CAP_DFS 0x00000001
307 #define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */
308 #define SMB2_GLOBAL_CAP_LARGE_MTU 0X00000004 /* Resp only New to SMB2.1 */
309 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL 0x00000008 /* New to SMB3 */
310 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */
311 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING 0x00000020 /* New to SMB3 */
312 #define SMB2_GLOBAL_CAP_ENCRYPTION 0x00000040 /* New to SMB3 */
314 #define SMB2_NT_FIND 0x00100000
315 #define SMB2_LARGE_FILES 0x00200000
318 /* Negotiate Contexts - ContextTypes. See MS-SMB2 section 2.2.3.1 for details */
319 #define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1)
320 #define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2)
321 #define SMB2_COMPRESSION_CAPABILITIES cpu_to_le16(3)
322 #define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID cpu_to_le16(5)
323 #define SMB2_TRANSPORT_CAPABILITIES cpu_to_le16(6)
324 #define SMB2_RDMA_TRANSFORM_CAPABILITIES cpu_to_le16(7)
325 #define SMB2_SIGNING_CAPABILITIES cpu_to_le16(8)
326 #define SMB2_POSIX_EXTENSIONS_AVAILABLE cpu_to_le16(0x100)
328 struct smb2_neg_context {
332 /* Followed by array of data. NOTE: some servers require padding to 8 byte boundary */
335 #define SMB311_LINUX_CLIENT_SALT_SIZE 32
336 /* Hash Algorithm Types */
337 #define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001)
338 #define SMB2_PREAUTH_HASH_SIZE 64
341 * SaltLength that the server send can be zero, so the only three required
342 * fields (all __le16) end up six bytes total, so the minimum context data len
343 * in the response is six bytes which accounts for
345 * HashAlgorithmCount, SaltLength, and 1 HashAlgorithm.
347 #define MIN_PREAUTH_CTXT_DATA_LEN 6
349 struct smb2_preauth_neg_context {
350 __le16 ContextType; /* 1 */
353 __le16 HashAlgorithmCount; /* 1 */
355 __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */
356 __u8 Salt[SMB311_LINUX_CLIENT_SALT_SIZE];
359 /* Encryption Algorithms Ciphers */
360 #define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001)
361 #define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002)
362 /* we currently do not request AES256_CCM since presumably GCM faster */
363 #define SMB2_ENCRYPTION_AES256_CCM cpu_to_le16(0x0003)
364 #define SMB2_ENCRYPTION_AES256_GCM cpu_to_le16(0x0004)
366 /* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */
367 #define MIN_ENCRYPT_CTXT_DATA_LEN 4
368 struct smb2_encryption_neg_context {
369 __le16 ContextType; /* 2 */
372 /* CipherCount usally 2, but can be 3 when AES256-GCM enabled */
373 __le16 CipherCount; /* AES128-GCM and AES128-CCM by default */
377 /* See MS-SMB2 2.2.3.1.3 */
378 #define SMB3_COMPRESS_NONE cpu_to_le16(0x0000)
379 #define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001)
380 #define SMB3_COMPRESS_LZ77 cpu_to_le16(0x0002)
381 #define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003)
382 /* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */
383 #define SMB3_COMPRESS_PATTERN cpu_to_le16(0x0004) /* Pattern_V1 */
385 /* Compression Flags */
386 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE cpu_to_le32(0x00000000)
387 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_CHAINED cpu_to_le32(0x00000001)
389 struct smb2_compression_capabilities_context {
390 __le16 ContextType; /* 3 */
393 __le16 CompressionAlgorithmCount;
396 __le16 CompressionAlgorithms[3];
397 __u16 Pad; /* Some servers require pad to DataLen multiple of 8 */
398 /* Check if pad needed */
402 * For smb2_netname_negotiate_context_id See MS-SMB2 2.2.3.1.4.
403 * Its struct simply contains NetName, an array of Unicode characters
405 struct smb2_netname_neg_context {
406 __le16 ContextType; /* 5 */
409 __le16 NetName[]; /* hostname of target converted to UCS-2 */
413 * For smb2_transport_capabilities context see MS-SMB2 2.2.3.1.5
418 #define SMB2_ACCEPT_TRANSFORM_LEVEL_SECURITY 0x00000001
420 struct smb2_transport_capabilities_context {
421 __le16 ContextType; /* 6 */
429 * For rdma transform capabilities context see MS-SMB2 2.2.3.1.6
433 /* RDMA Transform IDs */
434 #define SMB2_RDMA_TRANSFORM_NONE 0x0000
435 #define SMB2_RDMA_TRANSFORM_ENCRYPTION 0x0001
436 #define SMB2_RDMA_TRANSFORM_SIGNING 0x0002
438 struct smb2_rdma_transform_capabilities_context {
439 __le16 ContextType; /* 7 */
442 __le16 TransformCount;
445 __le16 RDMATransformIds[];
449 * For signing capabilities context see MS-SMB2 2.2.3.1.7
453 /* Signing algorithms */
454 #define SIGNING_ALG_HMAC_SHA256 0
455 #define SIGNING_ALG_AES_CMAC 1
456 #define SIGNING_ALG_AES_GMAC 2
458 struct smb2_signing_capabilities {
459 __le16 ContextType; /* 8 */
462 __le16 SigningAlgorithmCount;
463 __le16 SigningAlgorithms[];
464 /* Followed by padding to 8 byte boundary (required by some servers) */
467 #define POSIX_CTXT_DATA_LEN 16
468 struct smb2_posix_neg_context {
469 __le16 ContextType; /* 0x100 */
472 __u8 Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */
475 struct smb2_negotiate_rsp {
476 struct smb2_sync_hdr sync_hdr;
477 __le16 StructureSize; /* Must be 65 */
479 __le16 DialectRevision;
480 __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */
483 __le32 MaxTransactSize;
486 __le64 SystemTime; /* MBZ */
487 __le64 ServerStartTime;
488 __le16 SecurityBufferOffset;
489 __le16 SecurityBufferLength;
490 __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */
491 __u8 Buffer[1]; /* variable length GSS security buffer */
495 #define SMB2_SESSION_REQ_FLAG_BINDING 0x01
496 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04
498 struct smb2_sess_setup_req {
499 struct smb2_sync_hdr sync_hdr;
500 __le16 StructureSize; /* Must be 25 */
505 __le16 SecurityBufferOffset;
506 __le16 SecurityBufferLength;
507 __u64 PreviousSessionId;
508 __u8 Buffer[1]; /* variable length GSS security buffer */
511 /* Currently defined SessionFlags */
512 #define SMB2_SESSION_FLAG_IS_GUEST 0x0001
513 #define SMB2_SESSION_FLAG_IS_NULL 0x0002
514 #define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004
515 struct smb2_sess_setup_rsp {
516 struct smb2_sync_hdr sync_hdr;
517 __le16 StructureSize; /* Must be 9 */
519 __le16 SecurityBufferOffset;
520 __le16 SecurityBufferLength;
521 __u8 Buffer[1]; /* variable length GSS security buffer */
524 struct smb2_logoff_req {
525 struct smb2_sync_hdr sync_hdr;
526 __le16 StructureSize; /* Must be 4 */
530 struct smb2_logoff_rsp {
531 struct smb2_sync_hdr sync_hdr;
532 __le16 StructureSize; /* Must be 4 */
536 /* Flags/Reserved for SMB3.1.1 */
537 #define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001)
538 #define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002)
539 #define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004)
541 struct smb2_tree_connect_req {
542 struct smb2_sync_hdr sync_hdr;
543 __le16 StructureSize; /* Must be 9 */
544 __le16 Flags; /* Reserved MBZ for dialects prior to SMB3.1.1 */
547 __u8 Buffer[1]; /* variable length */
550 /* See MS-SMB2 section 2.2.9.2 */
552 #define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000
553 #define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001)
555 struct tree_connect_contexts {
562 /* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */
563 struct smb3_blob_data {
568 /* Valid values for Attr */
569 #define SE_GROUP_MANDATORY 0x00000001
570 #define SE_GROUP_ENABLED_BY_DEFAULT 0x00000002
571 #define SE_GROUP_ENABLED 0x00000004
572 #define SE_GROUP_OWNER 0x00000008
573 #define SE_GROUP_USE_FOR_DENY_ONLY 0x00000010
574 #define SE_GROUP_INTEGRITY 0x00000020
575 #define SE_GROUP_INTEGRITY_ENABLED 0x00000040
576 #define SE_GROUP_RESOURCE 0x20000000
577 #define SE_GROUP_LOGON_ID 0xC0000000
579 /* struct sid_attr_data is SidData array in BlobData format then le32 Attr */
581 struct sid_array_data {
583 /* SidAttrList - array of sid_attr_data structs */
586 struct luid_attr_data {
591 * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5
592 * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA
595 struct privilege_array_data {
596 __le16 PrivilegeCount;
597 /* array of privilege_data structs */
600 struct remoted_identity_tcon_context {
601 __le16 TicketType; /* must be 0x0001 */
602 __le16 TicketSize; /* total size of this struct */
603 __le16 User; /* offset to SID_ATTR_DATA struct with user info */
604 __le16 UserName; /* offset to null terminated Unicode username string */
605 __le16 Domain; /* offset to null terminated Unicode domain name */
606 __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */
607 __le16 RestrictedGroups; /* similar to above */
608 __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */
609 __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */
610 __le16 Owner; /* offset to BLOB_DATA struct */
611 __le16 DefaultDacl; /* offset to BLOB_DATA struct */
612 __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */
613 __le16 UserClaims; /* offset to BLOB_DATA struct */
614 __le16 DeviceClaims; /* offset to BLOB_DATA struct */
615 __u8 TicketInfo[]; /* variable length buf - remoted identity data */
618 struct smb2_tree_connect_req_extension {
619 __le32 TreeConnectContextOffset;
620 __le16 TreeConnectContextCount;
622 __u8 PathName[]; /* variable sized array */
623 /* followed by array of TreeConnectContexts */
626 struct smb2_tree_connect_rsp {
627 struct smb2_sync_hdr sync_hdr;
628 __le16 StructureSize; /* Must be 16 */
629 __u8 ShareType; /* see below */
631 __le32 ShareFlags; /* see below */
632 __le32 Capabilities; /* see below */
633 __le32 MaximalAccess;
636 /* Possible ShareType values */
637 #define SMB2_SHARE_TYPE_DISK 0x01
638 #define SMB2_SHARE_TYPE_PIPE 0x02
639 #define SMB2_SHARE_TYPE_PRINT 0x03
642 * Possible ShareFlags - exactly one and only one of the first 4 caching flags
643 * must be set (any of the remaining, SHI1005, flags may be set individually
646 #define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000
647 #define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010
648 #define SMB2_SHAREFLAG_VDO_CACHING 0x00000020
649 #define SMB2_SHAREFLAG_NO_CACHING 0x00000030
650 #define SHI1005_FLAGS_DFS 0x00000001
651 #define SHI1005_FLAGS_DFS_ROOT 0x00000002
652 #define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS 0x00000100
653 #define SHI1005_FLAGS_FORCE_SHARED_DELETE 0x00000200
654 #define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING 0x00000400
655 #define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM 0x00000800
656 #define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK 0x00001000
657 #define SHI1005_FLAGS_ENABLE_HASH_V1 0x00002000
658 #define SHI1005_FLAGS_ENABLE_HASH_V2 0x00004000
659 #define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000
660 #define SMB2_SHAREFLAG_IDENTITY_REMOTING 0x00040000 /* 3.1.1 */
661 #define SMB2_SHAREFLAG_COMPRESS_DATA 0x00100000 /* 3.1.1 */
662 #define SHI1005_FLAGS_ALL 0x0014FF33
664 /* Possible share capabilities */
665 #define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */
666 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */
667 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */
668 #define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */
669 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */
670 #define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */
672 struct smb2_tree_disconnect_req {
673 struct smb2_sync_hdr sync_hdr;
674 __le16 StructureSize; /* Must be 4 */
678 struct smb2_tree_disconnect_rsp {
679 struct smb2_sync_hdr sync_hdr;
680 __le16 StructureSize; /* Must be 4 */
684 /* File Attrubutes */
685 #define FILE_ATTRIBUTE_READONLY 0x00000001
686 #define FILE_ATTRIBUTE_HIDDEN 0x00000002
687 #define FILE_ATTRIBUTE_SYSTEM 0x00000004
688 #define FILE_ATTRIBUTE_DIRECTORY 0x00000010
689 #define FILE_ATTRIBUTE_ARCHIVE 0x00000020
690 #define FILE_ATTRIBUTE_NORMAL 0x00000080
691 #define FILE_ATTRIBUTE_TEMPORARY 0x00000100
692 #define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200
693 #define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400
694 #define FILE_ATTRIBUTE_COMPRESSED 0x00000800
695 #define FILE_ATTRIBUTE_OFFLINE 0x00001000
696 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000
697 #define FILE_ATTRIBUTE_ENCRYPTED 0x00004000
698 #define FILE_ATTRIBUTE_INTEGRITY_STREAM 0x00008000
699 #define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x00020000
702 #define SMB2_OPLOCK_LEVEL_NONE 0x00
703 #define SMB2_OPLOCK_LEVEL_II 0x01
704 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08
705 #define SMB2_OPLOCK_LEVEL_BATCH 0x09
706 #define SMB2_OPLOCK_LEVEL_LEASE 0xFF
707 /* Non-spec internal type */
708 #define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99
710 /* Desired Access Flags */
711 #define FILE_READ_DATA_LE cpu_to_le32(0x00000001)
712 #define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002)
713 #define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004)
714 #define FILE_READ_EA_LE cpu_to_le32(0x00000008)
715 #define FILE_WRITE_EA_LE cpu_to_le32(0x00000010)
716 #define FILE_EXECUTE_LE cpu_to_le32(0x00000020)
717 #define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080)
718 #define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100)
719 #define FILE_DELETE_LE cpu_to_le32(0x00010000)
720 #define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000)
721 #define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000)
722 #define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000)
723 #define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000)
724 #define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000)
725 #define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000)
726 #define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000)
727 #define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000)
728 #define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000)
729 #define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000)
731 /* ShareAccess Flags */
732 #define FILE_SHARE_READ_LE cpu_to_le32(0x00000001)
733 #define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002)
734 #define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004)
735 #define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007)
737 /* CreateDisposition Flags */
738 #define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000)
739 #define FILE_OPEN_LE cpu_to_le32(0x00000001)
740 #define FILE_CREATE_LE cpu_to_le32(0x00000002)
741 #define FILE_OPEN_IF_LE cpu_to_le32(0x00000003)
742 #define FILE_OVERWRITE_LE cpu_to_le32(0x00000004)
743 #define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005)
745 /* CreateOptions Flags */
746 #define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001)
747 /* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */
748 #define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002)
749 #define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004)
750 #define FILE_NO_INTERMEDIATE_BUFFERRING_LE cpu_to_le32(0x00000008)
751 #define FILE_SYNCHRONOUS_IO_ALERT_LE cpu_to_le32(0x00000010)
752 #define FILE_SYNCHRONOUS_IO_NON_ALERT_LE cpu_to_le32(0x00000020)
753 #define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040)
754 #define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100)
755 #define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200)
756 #define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800)
757 #define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000)
758 #define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000)
759 #define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000)
760 #define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000)
761 #define FILE_RESERVE_OPFILTER_LE cpu_to_le32(0x00100000)
762 #define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000)
763 #define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000)
764 #define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000)
766 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \
767 | FILE_READ_ATTRIBUTES_LE)
768 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \
769 | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE)
770 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE)
772 /* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */
773 #define IL_ANONYMOUS cpu_to_le32(0x00000000)
774 #define IL_IDENTIFICATION cpu_to_le32(0x00000001)
775 #define IL_IMPERSONATION cpu_to_le32(0x00000002)
776 #define IL_DELEGATE cpu_to_le32(0x00000003)
778 /* Create Context Values */
779 #define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */
780 #define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */
781 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ"
782 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC"
783 #define SMB2_CREATE_ALLOCATION_SIZE "AISi"
784 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc"
785 #define SMB2_CREATE_TIMEWARP_REQUEST "TWrp"
786 #define SMB2_CREATE_QUERY_ON_DISK_ID "QFid"
787 #define SMB2_CREATE_REQUEST_LEASE "RqLs"
788 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q"
789 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C"
790 #define SMB2_CREATE_APP_INSTANCE_ID 0x45BCA66AEFA7F74A9008FA462E144D74
791 #define SMB2_CREATE_APP_INSTANCE_VERSION 0xB982D0B73B56074FA07B524A8116A010
792 #define SVHDX_OPEN_DEVICE_CONTEX 0x9CCBCF9E04C1E643980E158DA1F6EC83
793 #define SMB2_CREATE_TAG_POSIX 0x93AD25509CB411E7B42383DE968BCD7C
795 /* Flag (SMB3 open response) values */
796 #define SMB2_CREATE_FLAG_REPARSEPOINT 0x01
799 * Maximum number of iovs we need for an open/create request.
800 * [0] : struct smb2_create_req
802 * [2] : lease context
803 * [3] : durable context
804 * [4] : posix context
805 * [5] : time warp context
806 * [6] : query id context
807 * [7] : compound padding
809 #define SMB2_CREATE_IOV_SIZE 8
811 struct smb2_create_req {
812 struct smb2_sync_hdr sync_hdr;
813 __le16 StructureSize; /* Must be 57 */
815 __u8 RequestedOplockLevel;
816 __le32 ImpersonationLevel;
817 __le64 SmbCreateFlags;
819 __le32 DesiredAccess;
820 __le32 FileAttributes;
822 __le32 CreateDisposition;
823 __le32 CreateOptions;
826 __le32 CreateContextsOffset;
827 __le32 CreateContextsLength;
832 * Maximum size of a SMB2_CREATE response is 64 (smb2 header) +
833 * 88 (fixed part of create response) + 520 (path) + 208 (contexts) +
834 * 2 bytes of padding.
836 #define MAX_SMB2_CREATE_RESPONSE_SIZE 880
838 struct smb2_create_rsp {
839 struct smb2_sync_hdr sync_hdr;
840 __le16 StructureSize; /* Must be 89 */
842 __u8 Flag; /* 0x01 if reparse point */
845 __le64 LastAccessTime;
846 __le64 LastWriteTime;
848 __le64 AllocationSize;
850 __le32 FileAttributes;
852 __u64 PersistentFileId; /* opaque endianness */
853 __u64 VolatileFileId; /* opaque endianness */
854 __le32 CreateContextsOffset;
855 __le32 CreateContextsLength;
859 struct create_context {
869 #define SMB2_LEASE_READ_CACHING_HE 0x01
870 #define SMB2_LEASE_HANDLE_CACHING_HE 0x02
871 #define SMB2_LEASE_WRITE_CACHING_HE 0x04
873 #define SMB2_LEASE_NONE cpu_to_le32(0x00)
874 #define SMB2_LEASE_READ_CACHING cpu_to_le32(0x01)
875 #define SMB2_LEASE_HANDLE_CACHING cpu_to_le32(0x02)
876 #define SMB2_LEASE_WRITE_CACHING cpu_to_le32(0x04)
878 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x00000002)
879 #define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET cpu_to_le32(0x00000004)
881 #define SMB2_LEASE_KEY_SIZE 16
883 struct lease_context {
884 u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
887 __le64 LeaseDuration;
890 struct lease_context_v2 {
891 u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
894 __le64 LeaseDuration;
895 __le64 ParentLeaseKeyLow;
896 __le64 ParentLeaseKeyHigh;
901 struct create_lease {
902 struct create_context ccontext;
904 struct lease_context lcontext;
907 struct create_lease_v2 {
908 struct create_context ccontext;
910 struct lease_context_v2 lcontext;
914 struct create_durable {
915 struct create_context ccontext;
920 __u64 PersistentFileId;
921 __u64 VolatileFileId;
926 struct create_posix {
927 struct create_context ccontext;
933 /* See MS-SMB2 2.2.13.2.11 */
935 #define SMB2_DHANDLE_FLAG_PERSISTENT 0x00000002
936 struct durable_context_v2 {
943 struct create_durable_v2 {
944 struct create_context ccontext;
946 struct durable_context_v2 dcontext;
949 /* See MS-SMB2 2.2.13.2.12 */
950 struct durable_reconnect_context_v2 {
952 __u64 PersistentFileId;
953 __u64 VolatileFileId;
956 __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
959 /* See MS-SMB2 2.2.14.2.9 */
960 struct create_on_disk_id {
961 struct create_context ccontext;
968 /* See MS-SMB2 2.2.14.2.12 */
969 struct durable_reconnect_context_v2_rsp {
971 __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
974 struct create_durable_handle_reconnect_v2 {
975 struct create_context ccontext;
977 struct durable_reconnect_context_v2 dcontext;
981 /* See MS-SMB2 2.2.13.2.5 */
982 struct crt_twarp_ctxt {
983 struct create_context ccontext;
989 /* See MS-SMB2 2.2.13.2.9 */
990 struct crt_query_id_ctxt {
991 struct create_context ccontext;
996 struct create_context ccontext;
1002 #define COPY_CHUNK_RES_KEY_SIZE 24
1003 struct resume_key_req {
1004 char ResumeKey[COPY_CHUNK_RES_KEY_SIZE];
1005 __le32 ContextLength; /* MBZ */
1006 char Context[]; /* ignored, Windows sets to 4 bytes of zero */
1009 /* this goes in the ioctl buffer when doing a copychunk request */
1010 struct copychunk_ioctl {
1011 char SourceKey[COPY_CHUNK_RES_KEY_SIZE];
1012 __le32 ChunkCount; /* we are only sending 1 */
1014 /* array will only be one chunk long for us */
1015 __le64 SourceOffset;
1016 __le64 TargetOffset;
1017 __le32 Length; /* how many bytes to copy */
1021 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */
1022 struct file_zero_data_information {
1024 __le64 BeyondFinalZero;
1027 struct copychunk_ioctl_rsp {
1028 __le32 ChunksWritten;
1029 __le32 ChunkBytesWritten;
1030 __le32 TotalBytesWritten;
1033 /* See MS-FSCC 2.3.29 and 2.3.30 */
1034 struct get_retrieval_pointer_count_req {
1035 __le64 StartingVcn; /* virtual cluster number (signed) */
1038 struct get_retrieval_pointer_count_rsp {
1043 * See MS-FSCC 2.3.33 and 2.3.34
1044 * request is the same as get_retrieval_point_count_req struct above
1046 struct smb3_extents {
1048 __le64 Lcn; /* logical cluster number */
1051 struct get_retrieval_pointers_refcount_rsp {
1055 struct smb3_extents extents[];
1058 struct fsctl_set_integrity_information_req {
1059 __le16 ChecksumAlgorithm;
1064 struct fsctl_get_integrity_information_rsp {
1065 __le16 ChecksumAlgorithm;
1068 __le32 ChecksumChunkSizeInBytes;
1069 __le32 ClusterSizeInBytes;
1072 struct file_allocated_range_buffer {
1077 /* Integrity ChecksumAlgorithm choices for above */
1078 #define CHECKSUM_TYPE_NONE 0x0000
1079 #define CHECKSUM_TYPE_CRC64 0x0002
1080 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */
1082 /* Integrity flags for above */
1083 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001
1085 /* Reparse structures - see MS-FSCC 2.1.2 */
1087 /* struct fsctl_reparse_info_req is empty, only response structs (see below) */
1089 struct reparse_data_buffer {
1091 __le16 ReparseDataLength;
1093 __u8 DataBuffer[]; /* Variable Length */
1096 struct reparse_guid_data_buffer {
1098 __le16 ReparseDataLength;
1100 __u8 ReparseGuid[16];
1101 __u8 DataBuffer[]; /* Variable Length */
1104 struct reparse_mount_point_data_buffer {
1106 __le16 ReparseDataLength;
1108 __le16 SubstituteNameOffset;
1109 __le16 SubstituteNameLength;
1110 __le16 PrintNameOffset;
1111 __le16 PrintNameLength;
1112 __u8 PathBuffer[]; /* Variable Length */
1115 #define SYMLINK_FLAG_RELATIVE 0x00000001
1117 struct reparse_symlink_data_buffer {
1119 __le16 ReparseDataLength;
1121 __le16 SubstituteNameOffset;
1122 __le16 SubstituteNameLength;
1123 __le16 PrintNameOffset;
1124 __le16 PrintNameLength;
1126 __u8 PathBuffer[]; /* Variable Length */
1129 /* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */
1132 /* See MS-DFSC 2.2.2 */
1133 struct fsctl_get_dfs_referral_req {
1134 __le16 MaxReferralLevel;
1135 __u8 RequestFileName[];
1138 /* DFS response is struct get_dfs_refer_rsp */
1140 /* See MS-SMB2 2.2.31.3 */
1141 struct network_resiliency_req {
1145 /* There is no buffer for the response ie no struct network_resiliency_rsp */
1148 struct validate_negotiate_info_req {
1149 __le32 Capabilities;
1150 __u8 Guid[SMB2_CLIENT_GUID_SIZE];
1151 __le16 SecurityMode;
1152 __le16 DialectCount;
1153 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */
1156 struct validate_negotiate_info_rsp {
1157 __le32 Capabilities;
1158 __u8 Guid[SMB2_CLIENT_GUID_SIZE];
1159 __le16 SecurityMode;
1160 __le16 Dialect; /* Dialect in use for the connection */
1163 #define RSS_CAPABLE cpu_to_le32(0x00000001)
1164 #define RDMA_CAPABLE cpu_to_le32(0x00000002)
1166 #define INTERNETWORK cpu_to_le16(0x0002)
1167 #define INTERNETWORKV6 cpu_to_le16(0x0017)
1169 struct network_interface_info_ioctl_rsp {
1170 __le32 Next; /* next interface. zero if this is last one */
1172 __le32 Capability; /* RSS or RDMA Capable */
1179 struct iface_info_ipv4 {
1185 struct iface_info_ipv6 {
1188 __u8 IPv6Address[16];
1192 #define NO_FILE_ID 0xFFFFFFFFFFFFFFFFULL /* general ioctls to srv not to file */
1194 struct compress_ioctl {
1195 __le16 CompressionState; /* See cifspdu.h for possible flag values */
1198 struct duplicate_extents_to_file {
1199 __u64 PersistentFileHandle; /* source file handle, opaque endianness */
1200 __u64 VolatileFileHandle;
1201 __le64 SourceFileOffset;
1202 __le64 TargetFileOffset;
1203 __le64 ByteCount; /* Bytes to be copied */
1207 * Maximum number of iovs we need for an ioctl request.
1208 * [0] : struct smb2_ioctl_req
1211 #define SMB2_IOCTL_IOV_SIZE 2
1213 struct smb2_ioctl_req {
1214 struct smb2_sync_hdr sync_hdr;
1215 __le16 StructureSize; /* Must be 57 */
1218 __u64 PersistentFileId; /* opaque endianness */
1219 __u64 VolatileFileId; /* opaque endianness */
1222 __le32 MaxInputResponse;
1223 __le32 OutputOffset;
1225 __le32 MaxOutputResponse;
1231 struct smb2_ioctl_rsp {
1232 struct smb2_sync_hdr sync_hdr;
1233 __le16 StructureSize; /* Must be 57 */
1236 __u64 PersistentFileId; /* opaque endianness */
1237 __u64 VolatileFileId; /* opaque endianness */
1240 __le32 OutputOffset;
1244 /* char * buffer[] */
1247 /* Currently defined values for close flags */
1248 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001)
1249 struct smb2_close_req {
1250 struct smb2_sync_hdr sync_hdr;
1251 __le16 StructureSize; /* Must be 24 */
1254 __u64 PersistentFileId; /* opaque endianness */
1255 __u64 VolatileFileId; /* opaque endianness */
1259 * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data)
1261 #define MAX_SMB2_CLOSE_RESPONSE_SIZE 124
1263 struct smb2_close_rsp {
1264 struct smb2_sync_hdr sync_hdr;
1265 __le16 StructureSize; /* 60 */
1268 __le64 CreationTime;
1269 __le64 LastAccessTime;
1270 __le64 LastWriteTime;
1272 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */
1277 struct smb2_flush_req {
1278 struct smb2_sync_hdr sync_hdr;
1279 __le16 StructureSize; /* Must be 24 */
1282 __u64 PersistentFileId; /* opaque endianness */
1283 __u64 VolatileFileId; /* opaque endianness */
1286 struct smb2_flush_rsp {
1287 struct smb2_sync_hdr sync_hdr;
1288 __le16 StructureSize;
1292 /* For read request Flags field below, following flag is defined for SMB3.02 */
1293 #define SMB2_READFLAG_READ_UNBUFFERED 0x01
1294 #define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */
1296 /* Channel field for read and write: exactly one of following flags can be set*/
1297 #define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000)
1298 #define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001) /* SMB3 or later */
1299 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) /* >= SMB3.02 */
1300 #define SMB2_CHANNEL_RDMA_TRANSFORM cpu_to_le32(0x00000003) /* >= SMB3.02, only used on write */
1302 /* SMB2 read request without RFC1001 length at the beginning */
1303 struct smb2_read_plain_req {
1304 struct smb2_sync_hdr sync_hdr;
1305 __le16 StructureSize; /* Must be 49 */
1306 __u8 Padding; /* offset from start of SMB2 header to place read */
1307 __u8 Flags; /* MBZ unless SMB3.02 or later */
1310 __u64 PersistentFileId; /* opaque endianness */
1311 __u64 VolatileFileId; /* opaque endianness */
1312 __le32 MinimumCount;
1313 __le32 Channel; /* MBZ except for SMB3 or later */
1314 __le32 RemainingBytes;
1315 __le16 ReadChannelInfoOffset;
1316 __le16 ReadChannelInfoLength;
1321 #define SMB2_READFLAG_RESPONSE_NONE 0x00000000
1322 #define SMB2_READFLAG_RESPONSE_RDMA_TRANSFORM 0x00000001
1324 struct smb2_read_rsp {
1325 struct smb2_sync_hdr sync_hdr;
1326 __le16 StructureSize; /* Must be 17 */
1330 __le32 DataRemaining;
1335 /* For write request Flags field below the following flags are defined: */
1336 #define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */
1337 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */
1339 struct smb2_write_req {
1340 struct smb2_sync_hdr sync_hdr;
1341 __le16 StructureSize; /* Must be 49 */
1342 __le16 DataOffset; /* offset from start of SMB2 header to write data */
1345 __u64 PersistentFileId; /* opaque endianness */
1346 __u64 VolatileFileId; /* opaque endianness */
1347 __le32 Channel; /* MBZ unless SMB3.02 or later */
1348 __le32 RemainingBytes;
1349 __le16 WriteChannelInfoOffset;
1350 __le16 WriteChannelInfoLength;
1355 struct smb2_write_rsp {
1356 struct smb2_sync_hdr sync_hdr;
1357 __le16 StructureSize; /* Must be 17 */
1361 __le32 DataRemaining;
1367 #define SMB2_WATCH_TREE 0x0001
1369 /* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */
1370 #define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001
1371 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002
1372 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004
1373 #define FILE_NOTIFY_CHANGE_SIZE 0x00000008
1374 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010
1375 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020
1376 #define FILE_NOTIFY_CHANGE_CREATION 0x00000040
1377 #define FILE_NOTIFY_CHANGE_EA 0x00000080
1378 #define FILE_NOTIFY_CHANGE_SECURITY 0x00000100
1379 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200
1380 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400
1381 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800
1383 struct smb2_change_notify_req {
1384 struct smb2_sync_hdr sync_hdr;
1385 __le16 StructureSize;
1387 __le32 OutputBufferLength;
1388 __u64 PersistentFileId; /* opaque endianness */
1389 __u64 VolatileFileId; /* opaque endianness */
1390 __le32 CompletionFilter;
1394 struct smb2_change_notify_rsp {
1395 struct smb2_sync_hdr sync_hdr;
1396 __le16 StructureSize; /* Must be 9 */
1397 __le16 OutputBufferOffset;
1398 __le32 OutputBufferLength;
1399 __u8 Buffer[1]; /* array of file notify structs */
1402 #define SMB2_LOCKFLAG_SHARED_LOCK 0x0001
1403 #define SMB2_LOCKFLAG_EXCLUSIVE_LOCK 0x0002
1404 #define SMB2_LOCKFLAG_UNLOCK 0x0004
1405 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010
1407 struct smb2_lock_element {
1414 struct smb2_lock_req {
1415 struct smb2_sync_hdr sync_hdr;
1416 __le16 StructureSize; /* Must be 48 */
1419 * The least significant four bits are the index, the other 28 bits are
1420 * the lock sequence number (0 to 64). See MS-SMB2 2.2.26
1422 __le32 LockSequenceNumber;
1423 __u64 PersistentFileId; /* opaque endianness */
1424 __u64 VolatileFileId; /* opaque endianness */
1425 /* Followed by at least one */
1426 struct smb2_lock_element locks[1];
1429 struct smb2_lock_rsp {
1430 struct smb2_sync_hdr sync_hdr;
1431 __le16 StructureSize; /* Must be 4 */
1435 struct smb2_echo_req {
1436 struct smb2_sync_hdr sync_hdr;
1437 __le16 StructureSize; /* Must be 4 */
1441 struct smb2_echo_rsp {
1442 struct smb2_sync_hdr sync_hdr;
1443 __le16 StructureSize; /* Must be 4 */
1447 /* search (query_directory) Flags field */
1448 #define SMB2_RESTART_SCANS 0x01
1449 #define SMB2_RETURN_SINGLE_ENTRY 0x02
1450 #define SMB2_INDEX_SPECIFIED 0x04
1451 #define SMB2_REOPEN 0x10
1453 #define SMB2_QUERY_DIRECTORY_IOV_SIZE 2
1456 * Valid FileInformation classes.
1458 * Note that these are a subset of the (file) QUERY_INFO levels defined
1459 * later in this file (but since QUERY_DIRECTORY uses equivalent numbers
1460 * we do not redefine them here)
1462 * FileDirectoryInfomation 0x01
1463 * FileFullDirectoryInformation 0x02
1464 * FileIdFullDirectoryInformation 0x26
1465 * FileBothDirectoryInformation 0x03
1466 * FileIdBothDirectoryInformation 0x25
1467 * FileNamesInformation 0x0C
1468 * FileIdExtdDirectoryInformation 0x3C
1471 struct smb2_query_directory_req {
1472 struct smb2_sync_hdr sync_hdr;
1473 __le16 StructureSize; /* Must be 33 */
1474 __u8 FileInformationClass;
1477 __u64 PersistentFileId; /* opaque endianness */
1478 __u64 VolatileFileId; /* opaque endianness */
1479 __le16 FileNameOffset;
1480 __le16 FileNameLength;
1481 __le32 OutputBufferLength;
1485 struct smb2_query_directory_rsp {
1486 struct smb2_sync_hdr sync_hdr;
1487 __le16 StructureSize; /* Must be 9 */
1488 __le16 OutputBufferOffset;
1489 __le32 OutputBufferLength;
1493 /* Possible InfoType values */
1494 #define SMB2_O_INFO_FILE 0x01
1495 #define SMB2_O_INFO_FILESYSTEM 0x02
1496 #define SMB2_O_INFO_SECURITY 0x03
1497 #define SMB2_O_INFO_QUOTA 0x04
1499 /* Security info type additionalinfo flags. See MS-SMB2 (2.2.37) or MS-DTYP */
1500 #define OWNER_SECINFO 0x00000001
1501 #define GROUP_SECINFO 0x00000002
1502 #define DACL_SECINFO 0x00000004
1503 #define SACL_SECINFO 0x00000008
1504 #define LABEL_SECINFO 0x00000010
1505 #define ATTRIBUTE_SECINFO 0x00000020
1506 #define SCOPE_SECINFO 0x00000040
1507 #define BACKUP_SECINFO 0x00010000
1508 #define UNPROTECTED_SACL_SECINFO 0x10000000
1509 #define UNPROTECTED_DACL_SECINFO 0x20000000
1510 #define PROTECTED_SACL_SECINFO 0x40000000
1511 #define PROTECTED_DACL_SECINFO 0x80000000
1513 /* Flags used for FileFullEAinfo */
1514 #define SL_RESTART_SCAN 0x00000001
1515 #define SL_RETURN_SINGLE_ENTRY 0x00000002
1516 #define SL_INDEX_SPECIFIED 0x00000004
1518 struct smb2_query_info_req {
1519 struct smb2_sync_hdr sync_hdr;
1520 __le16 StructureSize; /* Must be 41 */
1523 __le32 OutputBufferLength;
1524 __le16 InputBufferOffset;
1526 __le32 InputBufferLength;
1527 __le32 AdditionalInformation;
1529 __u64 PersistentFileId; /* opaque endianness */
1530 __u64 VolatileFileId; /* opaque endianness */
1534 struct smb2_query_info_rsp {
1535 struct smb2_sync_hdr sync_hdr;
1536 __le16 StructureSize; /* Must be 9 */
1537 __le16 OutputBufferOffset;
1538 __le32 OutputBufferLength;
1543 * Maximum number of iovs we need for a set-info request.
1544 * The largest one is rename/hardlink
1545 * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info
1547 * [2] : compound padding
1549 #define SMB2_SET_INFO_IOV_SIZE 3
1551 struct smb2_set_info_req {
1552 struct smb2_sync_hdr sync_hdr;
1553 __le16 StructureSize; /* Must be 33 */
1556 __le32 BufferLength;
1557 __le16 BufferOffset;
1559 __le32 AdditionalInformation;
1560 __u64 PersistentFileId; /* opaque endianness */
1561 __u64 VolatileFileId; /* opaque endianness */
1565 struct smb2_set_info_rsp {
1566 struct smb2_sync_hdr sync_hdr;
1567 __le16 StructureSize; /* Must be 2 */
1570 struct smb2_oplock_break {
1571 struct smb2_sync_hdr sync_hdr;
1572 __le16 StructureSize; /* Must be 24 */
1576 __u64 PersistentFid;
1580 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01)
1582 struct smb2_lease_break {
1583 struct smb2_sync_hdr sync_hdr;
1584 __le16 StructureSize; /* Must be 44 */
1588 __le32 CurrentLeaseState;
1589 __le32 NewLeaseState;
1591 __le32 AccessMaskHint;
1592 __le32 ShareMaskHint;
1595 struct smb2_lease_ack {
1596 struct smb2_sync_hdr sync_hdr;
1597 __le16 StructureSize; /* Must be 36 */
1602 __le64 LeaseDuration;
1606 * PDU infolevel structure definitions
1607 * BB consider moving to a different header
1610 /* File System Information Classes */
1611 #define FS_VOLUME_INFORMATION 1 /* Query */
1612 #define FS_LABEL_INFORMATION 2 /* Local only */
1613 #define FS_SIZE_INFORMATION 3 /* Query */
1614 #define FS_DEVICE_INFORMATION 4 /* Query */
1615 #define FS_ATTRIBUTE_INFORMATION 5 /* Query */
1616 #define FS_CONTROL_INFORMATION 6 /* Query, Set */
1617 #define FS_FULL_SIZE_INFORMATION 7 /* Query */
1618 #define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */
1619 #define FS_DRIVER_PATH_INFORMATION 9 /* Local only */
1620 #define FS_VOLUME_FLAGS_INFORMATION 10 /* Local only */
1621 #define FS_SECTOR_SIZE_INFORMATION 11 /* SMB3 or later. Query */
1622 #define FS_POSIX_INFORMATION 100 /* SMB3.1.1 POSIX. Query */
1624 struct smb2_fs_full_size_info {
1625 __le64 TotalAllocationUnits;
1626 __le64 CallerAvailableAllocationUnits;
1627 __le64 ActualAvailableAllocationUnits;
1628 __le32 SectorsPerAllocationUnit;
1629 __le32 BytesPerSector;
1632 #define SSINFO_FLAGS_ALIGNED_DEVICE 0x00000001
1633 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002
1634 #define SSINFO_FLAGS_NO_SEEK_PENALTY 0x00000004
1635 #define SSINFO_FLAGS_TRIM_ENABLED 0x00000008
1637 /* sector size info struct */
1638 struct smb3_fs_ss_info {
1639 __le32 LogicalBytesPerSector;
1640 __le32 PhysicalBytesPerSectorForAtomicity;
1641 __le32 PhysicalBytesPerSectorForPerf;
1642 __le32 FileSystemEffectivePhysicalBytesPerSectorForAtomicity;
1644 __le32 ByteOffsetForSectorAlignment;
1645 __le32 ByteOffsetForPartitionAlignment;
1648 /* volume info struct - see MS-FSCC 2.5.9 */
1649 #define MAX_VOL_LABEL_LEN 32
1650 struct smb3_fs_vol_info {
1651 __le64 VolumeCreationTime;
1652 __u32 VolumeSerialNumber;
1653 __le32 VolumeLabelLength; /* includes trailing null */
1654 __u8 SupportsObjects; /* True if eg like NTFS, supports objects */
1656 __u8 VolumeLabel[]; /* variable len */
1659 /* partial list of QUERY INFO levels */
1660 #define FILE_DIRECTORY_INFORMATION 1
1661 #define FILE_FULL_DIRECTORY_INFORMATION 2
1662 #define FILE_BOTH_DIRECTORY_INFORMATION 3
1663 #define FILE_BASIC_INFORMATION 4
1664 #define FILE_STANDARD_INFORMATION 5
1665 #define FILE_INTERNAL_INFORMATION 6
1666 #define FILE_EA_INFORMATION 7
1667 #define FILE_ACCESS_INFORMATION 8
1668 #define FILE_NAME_INFORMATION 9
1669 #define FILE_RENAME_INFORMATION 10
1670 #define FILE_LINK_INFORMATION 11
1671 #define FILE_NAMES_INFORMATION 12
1672 #define FILE_DISPOSITION_INFORMATION 13
1673 #define FILE_POSITION_INFORMATION 14
1674 #define FILE_FULL_EA_INFORMATION 15
1675 #define FILE_MODE_INFORMATION 16
1676 #define FILE_ALIGNMENT_INFORMATION 17
1677 #define FILE_ALL_INFORMATION 18
1678 #define FILE_ALLOCATION_INFORMATION 19
1679 #define FILE_END_OF_FILE_INFORMATION 20
1680 #define FILE_ALTERNATE_NAME_INFORMATION 21
1681 #define FILE_STREAM_INFORMATION 22
1682 #define FILE_PIPE_INFORMATION 23
1683 #define FILE_PIPE_LOCAL_INFORMATION 24
1684 #define FILE_PIPE_REMOTE_INFORMATION 25
1685 #define FILE_MAILSLOT_QUERY_INFORMATION 26
1686 #define FILE_MAILSLOT_SET_INFORMATION 27
1687 #define FILE_COMPRESSION_INFORMATION 28
1688 #define FILE_OBJECT_ID_INFORMATION 29
1689 /* Number 30 not defined in documents */
1690 #define FILE_MOVE_CLUSTER_INFORMATION 31
1691 #define FILE_QUOTA_INFORMATION 32
1692 #define FILE_REPARSE_POINT_INFORMATION 33
1693 #define FILE_NETWORK_OPEN_INFORMATION 34
1694 #define FILE_ATTRIBUTE_TAG_INFORMATION 35
1695 #define FILE_TRACKING_INFORMATION 36
1696 #define FILEID_BOTH_DIRECTORY_INFORMATION 37
1697 #define FILEID_FULL_DIRECTORY_INFORMATION 38
1698 #define FILE_VALID_DATA_LENGTH_INFORMATION 39
1699 #define FILE_SHORT_NAME_INFORMATION 40
1700 #define FILE_SFIO_RESERVE_INFORMATION 44
1701 #define FILE_SFIO_VOLUME_INFORMATION 45
1702 #define FILE_HARD_LINK_INFORMATION 46
1703 #define FILE_NORMALIZED_NAME_INFORMATION 48
1704 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50
1705 #define FILE_STANDARD_LINK_INFORMATION 54
1706 #define FILE_ID_INFORMATION 59
1707 #define FILE_ID_EXTD_DIRECTORY_INFORMATION 60
1709 struct smb2_file_internal_info {
1711 } __packed; /* level 6 Query */
1713 struct smb2_file_rename_info { /* encoding of request for level 10 */
1714 __u8 ReplaceIfExists; /* 1 = replace existing target with new */
1715 /* 0 = fail if target already exists */
1717 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */
1718 __le32 FileNameLength;
1719 char FileName[]; /* New name to be assigned */
1720 /* padding - overall struct size must be >= 24 so filename + pad >= 6 */
1721 } __packed; /* level 10 Set */
1723 struct smb2_file_link_info { /* encoding of request for level 11 */
1724 __u8 ReplaceIfExists; /* 1 = replace existing link with new */
1725 /* 0 = fail if link already exists */
1727 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */
1728 __le32 FileNameLength;
1729 char FileName[]; /* Name to be assigned to new link */
1730 } __packed; /* level 11 Set */
1732 struct smb2_file_full_ea_info { /* encoding of response for level 15 */
1733 __le32 next_entry_offset;
1735 __u8 ea_name_length;
1736 __le16 ea_value_length;
1737 char ea_data[]; /* \0 terminated name plus value */
1738 } __packed; /* level 15 Set */
1741 * This level 18, although with struct with same name is different from cifs
1742 * level 0x107. Level 0x107 has an extra u64 between AccessFlags and
1743 * CurrentByteOffset.
1745 struct smb2_file_all_info { /* data block encoding of response to level 18 */
1746 __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */
1747 __le64 LastAccessTime;
1748 __le64 LastWriteTime;
1751 __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */
1752 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */
1753 __le64 EndOfFile; /* size ie offset to first free byte in file */
1754 __le32 NumberOfLinks; /* hard links */
1757 __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */
1761 __le64 CurrentByteOffset;
1763 __le32 AlignmentRequirement;
1764 __le32 FileNameLength;
1766 } __packed; /* level 18 Query */
1768 struct smb2_file_eof_info { /* encoding of request for level 10 */
1769 __le64 EndOfFile; /* new end of file value */
1770 } __packed; /* level 20 Set */
1772 struct smb2_file_reparse_point_info {
1777 struct smb2_file_network_open_info {
1778 __le64 CreationTime;
1779 __le64 LastAccessTime;
1780 __le64 LastWriteTime;
1782 __le64 AllocationSize;
1786 } __packed; /* level 34 Query also similar returned in close rsp and open rsp */
1788 /* See MS-FSCC 2.4.21 */
1789 struct smb2_file_id_information {
1790 __le64 VolumeSerialNumber;
1791 __u64 PersistentFileId; /* opaque endianness */
1792 __u64 VolatileFileId; /* opaque endianness */
1793 } __packed; /* level 59 */
1795 /* See MS-FSCC 2.4.18 */
1796 struct smb2_file_id_extd_directory_info {
1797 __le32 NextEntryOffset;
1799 __le64 CreationTime;
1800 __le64 LastAccessTime;
1801 __le64 LastWriteTime;
1804 __le64 AllocationSize;
1805 __le32 FileAttributes;
1806 __le32 FileNameLength;
1807 __le32 EaSize; /* EA size */
1808 __le32 ReparsePointTag; /* valid if FILE_ATTR_REPARSE_POINT set in FileAttributes */
1809 __le64 UniqueId; /* inode num - le since Samba puts ino in low 32 bit */
1811 } __packed; /* level 60 */
1813 extern char smb2_padding[7];
1815 /* equivalent of the contents of SMB3.1.1 POSIX open context response */
1816 struct create_posix_rsp {
1820 struct cifs_sid owner; /* var-sized on the wire */
1821 struct cifs_sid group; /* var-sized on the wire */
1825 * SMB2-only POSIX info level for query dir
1827 * See posix_info_sid_size(), posix_info_extra_size() and
1828 * posix_info_parse() to help with the handling of this struct.
1830 struct smb2_posix_info {
1831 __le32 NextEntryOffset;
1833 __le64 CreationTime;
1834 __le64 LastAccessTime;
1835 __le64 LastWriteTime;
1838 __le64 AllocationSize;
1839 __le32 DosAttributes;
1843 /* beginning of POSIX Create Context Response */
1848 * var sized owner SID
1849 * var sized group SID
1850 * le32 filenamelength
1855 /* Level 100 query info */
1856 struct smb311_posix_qinfo {
1857 __le64 CreationTime;
1858 __le64 LastAccessTime;
1859 __le64 LastWriteTime;
1862 __le64 AllocationSize;
1863 __le32 DosAttributes;
1867 /* beginning of POSIX Create Context Response */
1873 * var sized owner SID
1874 * var sized group SID
1875 * le32 filenamelength
1881 * Parsed version of the above struct. Allows direct access to the
1882 * variable length fields
1884 struct smb2_posix_info_parsed {
1885 const struct smb2_posix_info *base;
1887 struct cifs_sid owner;
1888 struct cifs_sid group;
1893 #endif /* _SMB2PDU_H */