Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / fs / cifs / smb2pdu.h
diff --git a/kernel/fs/cifs/smb2pdu.h b/kernel/fs/cifs/smb2pdu.h
new file mode 100644 (file)
index 0000000..70867d5
--- /dev/null
@@ -0,0 +1,1080 @@
+/*
+ *   fs/cifs/smb2pdu.h
+ *
+ *   Copyright (c) International Business Machines  Corp., 2009, 2013
+ *                 Etersoft, 2012
+ *   Author(s): Steve French (sfrench@us.ibm.com)
+ *              Pavel Shilovsky (pshilovsky@samba.org) 2012
+ *
+ *   This library is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU Lesser General Public License as published
+ *   by the Free Software Foundation; either version 2.1 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This library is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ *   the GNU Lesser General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Lesser General Public License
+ *   along with this library; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _SMB2PDU_H
+#define _SMB2PDU_H
+
+#include <net/sock.h>
+
+/*
+ * Note that, due to trying to use names similar to the protocol specifications,
+ * there are many mixed case field names in the structures below.  Although
+ * this does not match typical Linux kernel style, it is necessary to be
+ * be able to match against the protocol specfication.
+ *
+ * SMB2 commands
+ * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses
+ * (ie no useful data other than the SMB error code itself) and are marked such.
+ * Knowing this helps avoid response buffer allocations and copy in some cases.
+ */
+
+/* List of commands in host endian */
+#define SMB2_NEGOTIATE_HE      0x0000
+#define SMB2_SESSION_SETUP_HE  0x0001
+#define SMB2_LOGOFF_HE         0x0002 /* trivial request/resp */
+#define SMB2_TREE_CONNECT_HE   0x0003
+#define SMB2_TREE_DISCONNECT_HE        0x0004 /* trivial req/resp */
+#define SMB2_CREATE_HE         0x0005
+#define SMB2_CLOSE_HE          0x0006
+#define SMB2_FLUSH_HE          0x0007 /* trivial resp */
+#define SMB2_READ_HE           0x0008
+#define SMB2_WRITE_HE          0x0009
+#define SMB2_LOCK_HE           0x000A
+#define SMB2_IOCTL_HE          0x000B
+#define SMB2_CANCEL_HE         0x000C
+#define SMB2_ECHO_HE           0x000D
+#define SMB2_QUERY_DIRECTORY_HE        0x000E
+#define SMB2_CHANGE_NOTIFY_HE  0x000F
+#define SMB2_QUERY_INFO_HE     0x0010
+#define SMB2_SET_INFO_HE       0x0011
+#define SMB2_OPLOCK_BREAK_HE   0x0012
+
+/* The same list in little endian */
+#define SMB2_NEGOTIATE         cpu_to_le16(SMB2_NEGOTIATE_HE)
+#define SMB2_SESSION_SETUP     cpu_to_le16(SMB2_SESSION_SETUP_HE)
+#define SMB2_LOGOFF            cpu_to_le16(SMB2_LOGOFF_HE)
+#define SMB2_TREE_CONNECT      cpu_to_le16(SMB2_TREE_CONNECT_HE)
+#define SMB2_TREE_DISCONNECT   cpu_to_le16(SMB2_TREE_DISCONNECT_HE)
+#define SMB2_CREATE            cpu_to_le16(SMB2_CREATE_HE)
+#define SMB2_CLOSE             cpu_to_le16(SMB2_CLOSE_HE)
+#define SMB2_FLUSH             cpu_to_le16(SMB2_FLUSH_HE)
+#define SMB2_READ              cpu_to_le16(SMB2_READ_HE)
+#define SMB2_WRITE             cpu_to_le16(SMB2_WRITE_HE)
+#define SMB2_LOCK              cpu_to_le16(SMB2_LOCK_HE)
+#define SMB2_IOCTL             cpu_to_le16(SMB2_IOCTL_HE)
+#define SMB2_CANCEL            cpu_to_le16(SMB2_CANCEL_HE)
+#define SMB2_ECHO              cpu_to_le16(SMB2_ECHO_HE)
+#define SMB2_QUERY_DIRECTORY   cpu_to_le16(SMB2_QUERY_DIRECTORY_HE)
+#define SMB2_CHANGE_NOTIFY     cpu_to_le16(SMB2_CHANGE_NOTIFY_HE)
+#define SMB2_QUERY_INFO                cpu_to_le16(SMB2_QUERY_INFO_HE)
+#define SMB2_SET_INFO          cpu_to_le16(SMB2_SET_INFO_HE)
+#define SMB2_OPLOCK_BREAK      cpu_to_le16(SMB2_OPLOCK_BREAK_HE)
+
+#define NUMBER_OF_SMB2_COMMANDS        0x0013
+
+/* BB FIXME - analyze following length BB */
+#define MAX_SMB2_HDR_SIZE 0x78 /* 4 len + 64 hdr + (2*24 wct) + 2 bct + 2 pad */
+
+#define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe)
+
+/*
+ * SMB2 Header Definition
+ *
+ * "MBZ" :  Must be Zero
+ * "BB"  :  BugBug, Something to check/review/analyze later
+ * "PDU" :  "Protocol Data Unit" (ie a network "frame")
+ *
+ */
+
+#define SMB2_HEADER_STRUCTURE_SIZE cpu_to_le16(64)
+
+struct smb2_hdr {
+       __be32 smb2_buf_length; /* big endian on wire */
+                               /* length is only two or three bytes - with
+                                one or two byte type preceding it that MBZ */
+       __u8   ProtocolId[4];   /* 0xFE 'S' 'M' 'B' */
+       __le16 StructureSize;   /* 64 */
+       __le16 CreditCharge;    /* MBZ */
+       __le32 Status;          /* Error from server */
+       __le16 Command;
+       __le16 CreditRequest;  /* CreditResponse */
+       __le32 Flags;
+       __le32 NextCommand;
+       __le64 MessageId;
+       __le32 ProcessId;
+       __u32  TreeId;          /* opaque - so do not make little endian */
+       __u64  SessionId;       /* opaque - so do not make little endian */
+       __u8   Signature[16];
+} __packed;
+
+struct smb2_pdu {
+       struct smb2_hdr hdr;
+       __le16 StructureSize2; /* size of wct area (varies, request specific) */
+} __packed;
+
+struct smb2_transform_hdr {
+       __be32 smb2_buf_length; /* big endian on wire */
+                               /* length is only two or three bytes - with
+                                one or two byte type preceding it that MBZ */
+       __u8   ProtocolId[4];   /* 0xFD 'S' 'M' 'B' */
+       __u8   Signature[16];
+       __u8   Nonce[11];
+       __u8   Reserved[5];
+       __le32 OriginalMessageSize;
+       __u16  Reserved1;
+       __le16 EncryptionAlgorithm;
+       __u64  SessionId;
+} __packed;
+
+/* Encryption Algorithms */
+#define SMB2_ENCRYPTION_AES128_CCM     cpu_to_le16(0x0001)
+
+/*
+ *     SMB2 flag definitions
+ */
+#define SMB2_FLAGS_SERVER_TO_REDIR     cpu_to_le32(0x00000001)
+#define SMB2_FLAGS_ASYNC_COMMAND       cpu_to_le32(0x00000002)
+#define SMB2_FLAGS_RELATED_OPERATIONS  cpu_to_le32(0x00000004)
+#define SMB2_FLAGS_SIGNED              cpu_to_le32(0x00000008)
+#define SMB2_FLAGS_DFS_OPERATIONS      cpu_to_le32(0x10000000)
+
+/*
+ *     Definitions for SMB2 Protocol Data Units (network frames)
+ *
+ *  See MS-SMB2.PDF specification for protocol details.
+ *  The Naming convention is the lower case version of the SMB2
+ *  command code name for the struct. Note that structures must be packed.
+ *
+ */
+
+#define SMB2_ERROR_STRUCTURE_SIZE2 cpu_to_le16(9)
+
+struct smb2_err_rsp {
+       struct smb2_hdr hdr;
+       __le16 StructureSize;
+       __le16 Reserved; /* MBZ */
+       __le32 ByteCount;  /* even if zero, at least one byte follows */
+       __u8   ErrorData[1];  /* variable length */
+} __packed;
+
+struct smb2_symlink_err_rsp {
+       __le32 SymLinkLength;
+       __le32 SymLinkErrorTag;
+       __le32 ReparseTag;
+       __le16 ReparseDataLength;
+       __le16 UnparsedPathLength;
+       __le16 SubstituteNameOffset;
+       __le16 SubstituteNameLength;
+       __le16 PrintNameOffset;
+       __le16 PrintNameLength;
+       __le32 Flags;
+       __u8  PathBuffer[0];
+} __packed;
+
+#define SMB2_CLIENT_GUID_SIZE 16
+
+struct smb2_negotiate_req {
+       struct smb2_hdr hdr;
+       __le16 StructureSize; /* Must be 36 */
+       __le16 DialectCount;
+       __le16 SecurityMode;
+       __le16 Reserved;        /* MBZ */
+       __le32 Capabilities;
+       __u8   ClientGUID[SMB2_CLIENT_GUID_SIZE];
+       __le64 ClientStartTime; /* MBZ */
+       __le16 Dialects[1]; /* One dialect (vers=) at a time for now */
+} __packed;
+
+/* Dialects */
+#define SMB20_PROT_ID 0x0202
+#define SMB21_PROT_ID 0x0210
+#define SMB30_PROT_ID 0x0300
+#define SMB302_PROT_ID 0x0302
+#define BAD_PROT_ID   0xFFFF
+
+/* SecurityMode flags */
+#define        SMB2_NEGOTIATE_SIGNING_ENABLED  0x0001
+#define SMB2_NEGOTIATE_SIGNING_REQUIRED        0x0002
+/* Capabilities flags */
+#define SMB2_GLOBAL_CAP_DFS            0x00000001
+#define SMB2_GLOBAL_CAP_LEASING                0x00000002 /* Resp only New to SMB2.1 */
+#define SMB2_GLOBAL_CAP_LARGE_MTU      0X00000004 /* Resp only New to SMB2.1 */
+#define SMB2_GLOBAL_CAP_MULTI_CHANNEL  0x00000008 /* New to SMB3 */
+#define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */
+#define SMB2_GLOBAL_CAP_DIRECTORY_LEASING  0x00000020 /* New to SMB3 */
+#define SMB2_GLOBAL_CAP_ENCRYPTION     0x00000040 /* New to SMB3 */
+/* Internal types */
+#define SMB2_NT_FIND                   0x00100000
+#define SMB2_LARGE_FILES               0x00200000
+
+struct smb2_negotiate_rsp {
+       struct smb2_hdr hdr;
+       __le16 StructureSize;   /* Must be 65 */
+       __le16 SecurityMode;
+       __le16 DialectRevision;
+       __le16 Reserved;        /* MBZ */
+       __u8   ServerGUID[16];
+       __le32 Capabilities;
+       __le32 MaxTransactSize;
+       __le32 MaxReadSize;
+       __le32 MaxWriteSize;
+       __le64 SystemTime;      /* MBZ */
+       __le64 ServerStartTime;
+       __le16 SecurityBufferOffset;
+       __le16 SecurityBufferLength;
+       __le32 Reserved2;       /* may be any value, ignore */
+       __u8   Buffer[1];       /* variable length GSS security buffer */
+} __packed;
+
+struct smb2_sess_setup_req {
+       struct smb2_hdr hdr;
+       __le16 StructureSize; /* Must be 25 */
+       __u8   VcNumber;
+       __u8   SecurityMode;
+       __le32 Capabilities;
+       __le32 Channel;
+       __le16 SecurityBufferOffset;
+       __le16 SecurityBufferLength;
+       __le64 PreviousSessionId;
+       __u8   Buffer[1];       /* variable length GSS security buffer */
+} __packed;
+
+/* Currently defined SessionFlags */
+#define SMB2_SESSION_FLAG_IS_GUEST     0x0001
+#define SMB2_SESSION_FLAG_IS_NULL      0x0002
+#define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004
+struct smb2_sess_setup_rsp {
+       struct smb2_hdr hdr;
+       __le16 StructureSize; /* Must be 9 */
+       __le16 SessionFlags;
+       __le16 SecurityBufferOffset;
+       __le16 SecurityBufferLength;
+       __u8   Buffer[1];       /* variable length GSS security buffer */
+} __packed;
+
+struct smb2_logoff_req {
+       struct smb2_hdr hdr;
+       __le16 StructureSize;   /* Must be 4 */
+       __le16 Reserved;
+} __packed;
+
+struct smb2_logoff_rsp {
+       struct smb2_hdr hdr;
+       __le16 StructureSize;   /* Must be 4 */
+       __le16 Reserved;
+} __packed;
+
+struct smb2_tree_connect_req {
+       struct smb2_hdr hdr;
+       __le16 StructureSize;   /* Must be 9 */
+       __le16 Reserved;
+       __le16 PathOffset;
+       __le16 PathLength;
+       __u8   Buffer[1];       /* variable length */
+} __packed;
+
+struct smb2_tree_connect_rsp {
+       struct smb2_hdr hdr;
+       __le16 StructureSize;   /* Must be 16 */
+       __u8   ShareType;  /* see below */
+       __u8   Reserved;
+       __le32 ShareFlags; /* see below */
+       __le32 Capabilities; /* see below */
+       __le32 MaximalAccess;
+} __packed;
+
+/* Possible ShareType values */
+#define SMB2_SHARE_TYPE_DISK   0x01
+#define SMB2_SHARE_TYPE_PIPE   0x02
+#define        SMB2_SHARE_TYPE_PRINT   0x03
+
+/*
+ * Possible ShareFlags - exactly one and only one of the first 4 caching flags
+ * must be set (any of the remaining, SHI1005, flags may be set individually
+ * or in combination.
+ */
+#define SMB2_SHAREFLAG_MANUAL_CACHING                  0x00000000
+#define SMB2_SHAREFLAG_AUTO_CACHING                    0x00000010
+#define SMB2_SHAREFLAG_VDO_CACHING                     0x00000020
+#define SMB2_SHAREFLAG_NO_CACHING                      0x00000030
+#define SHI1005_FLAGS_DFS                              0x00000001
+#define SHI1005_FLAGS_DFS_ROOT                         0x00000002
+#define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS         0x00000100
+#define SHI1005_FLAGS_FORCE_SHARED_DELETE              0x00000200
+#define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING          0x00000400
+#define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM      0x00000800
+#define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK             0x00001000
+#define SHI1005_FLAGS_ENABLE_HASH_V1                   0x00002000
+#define SHI1005_FLAGS_ENABLE_HASH_V2                   0x00004000
+#define SHI1005_FLAGS_ENCRYPT_DATA                     0x00008000
+#define SHI1005_FLAGS_ALL                              0x0000FF33
+
+/* Possible share capabilities */
+#define SMB2_SHARE_CAP_DFS     cpu_to_le32(0x00000008) /* all dialects */
+#define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */
+#define SMB2_SHARE_CAP_SCALEOUT        cpu_to_le32(0x00000020) /* 3.0 */
+#define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */
+#define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */
+
+struct smb2_tree_disconnect_req {
+       struct smb2_hdr hdr;
+       __le16 StructureSize;   /* Must be 4 */
+       __le16 Reserved;
+} __packed;
+
+struct smb2_tree_disconnect_rsp {
+       struct smb2_hdr hdr;
+       __le16 StructureSize;   /* Must be 4 */
+       __le16 Reserved;
+} __packed;
+
+/* File Attrubutes */
+#define FILE_ATTRIBUTE_READONLY                        0x00000001
+#define FILE_ATTRIBUTE_HIDDEN                  0x00000002
+#define FILE_ATTRIBUTE_SYSTEM                  0x00000004
+#define FILE_ATTRIBUTE_DIRECTORY               0x00000010
+#define FILE_ATTRIBUTE_ARCHIVE                 0x00000020
+#define FILE_ATTRIBUTE_NORMAL                  0x00000080
+#define FILE_ATTRIBUTE_TEMPORARY               0x00000100
+#define FILE_ATTRIBUTE_SPARSE_FILE             0x00000200
+#define FILE_ATTRIBUTE_REPARSE_POINT           0x00000400
+#define FILE_ATTRIBUTE_COMPRESSED              0x00000800
+#define FILE_ATTRIBUTE_OFFLINE                 0x00001000
+#define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED     0x00002000
+#define FILE_ATTRIBUTE_ENCRYPTED               0x00004000
+#define FILE_ATTRIBUTE_INTEGRITY_STREAM                0x00008000
+#define FILE_ATTRIBUTE_NO_SCRUB_DATA           0x00020000
+
+/* Oplock levels */
+#define SMB2_OPLOCK_LEVEL_NONE         0x00
+#define SMB2_OPLOCK_LEVEL_II           0x01
+#define SMB2_OPLOCK_LEVEL_EXCLUSIVE    0x08
+#define SMB2_OPLOCK_LEVEL_BATCH                0x09
+#define SMB2_OPLOCK_LEVEL_LEASE                0xFF
+/* Non-spec internal type */
+#define SMB2_OPLOCK_LEVEL_NOCHANGE     0x99
+
+/* Desired Access Flags */
+#define FILE_READ_DATA_LE              cpu_to_le32(0x00000001)
+#define FILE_WRITE_DATA_LE             cpu_to_le32(0x00000002)
+#define FILE_APPEND_DATA_LE            cpu_to_le32(0x00000004)
+#define FILE_READ_EA_LE                        cpu_to_le32(0x00000008)
+#define FILE_WRITE_EA_LE               cpu_to_le32(0x00000010)
+#define FILE_EXECUTE_LE                        cpu_to_le32(0x00000020)
+#define FILE_READ_ATTRIBUTES_LE                cpu_to_le32(0x00000080)
+#define FILE_WRITE_ATTRIBUTES_LE       cpu_to_le32(0x00000100)
+#define FILE_DELETE_LE                 cpu_to_le32(0x00010000)
+#define FILE_READ_CONTROL_LE           cpu_to_le32(0x00020000)
+#define FILE_WRITE_DAC_LE              cpu_to_le32(0x00040000)
+#define FILE_WRITE_OWNER_LE            cpu_to_le32(0x00080000)
+#define FILE_SYNCHRONIZE_LE            cpu_to_le32(0x00100000)
+#define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000)
+#define FILE_MAXIMAL_ACCESS_LE         cpu_to_le32(0x02000000)
+#define FILE_GENERIC_ALL_LE            cpu_to_le32(0x10000000)
+#define FILE_GENERIC_EXECUTE_LE                cpu_to_le32(0x20000000)
+#define FILE_GENERIC_WRITE_LE          cpu_to_le32(0x40000000)
+#define FILE_GENERIC_READ_LE           cpu_to_le32(0x80000000)
+
+/* ShareAccess Flags */
+#define FILE_SHARE_READ_LE             cpu_to_le32(0x00000001)
+#define FILE_SHARE_WRITE_LE            cpu_to_le32(0x00000002)
+#define FILE_SHARE_DELETE_LE           cpu_to_le32(0x00000004)
+#define FILE_SHARE_ALL_LE              cpu_to_le32(0x00000007)
+
+/* CreateDisposition Flags */
+#define FILE_SUPERSEDE_LE              cpu_to_le32(0x00000000)
+#define FILE_OPEN_LE                   cpu_to_le32(0x00000001)
+#define FILE_CREATE_LE                 cpu_to_le32(0x00000002)
+#define        FILE_OPEN_IF_LE                 cpu_to_le32(0x00000003)
+#define FILE_OVERWRITE_LE              cpu_to_le32(0x00000004)
+#define FILE_OVERWRITE_IF_LE           cpu_to_le32(0x00000005)
+
+/* CreateOptions Flags */
+#define FILE_DIRECTORY_FILE_LE         cpu_to_le32(0x00000001)
+/* same as #define CREATE_NOT_FILE_LE  cpu_to_le32(0x00000001) */
+#define FILE_WRITE_THROUGH_LE          cpu_to_le32(0x00000002)
+#define FILE_SEQUENTIAL_ONLY_LE                cpu_to_le32(0x00000004)
+#define FILE_NO_INTERMEDIATE_BUFFERRING_LE cpu_to_le32(0x00000008)
+#define FILE_SYNCHRONOUS_IO_ALERT_LE   cpu_to_le32(0x00000010)
+#define FILE_SYNCHRONOUS_IO_NON_ALERT_LE       cpu_to_le32(0x00000020)
+#define FILE_NON_DIRECTORY_FILE_LE     cpu_to_le32(0x00000040)
+#define FILE_COMPLETE_IF_OPLOCKED_LE   cpu_to_le32(0x00000100)
+#define FILE_NO_EA_KNOWLEDGE_LE                cpu_to_le32(0x00000200)
+#define FILE_RANDOM_ACCESS_LE          cpu_to_le32(0x00000800)
+#define FILE_DELETE_ON_CLOSE_LE                cpu_to_le32(0x00001000)
+#define FILE_OPEN_BY_FILE_ID_LE                cpu_to_le32(0x00002000)
+#define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000)
+#define FILE_NO_COMPRESSION_LE         cpu_to_le32(0x00008000)
+#define FILE_RESERVE_OPFILTER_LE       cpu_to_le32(0x00100000)
+#define FILE_OPEN_REPARSE_POINT_LE     cpu_to_le32(0x00200000)
+#define FILE_OPEN_NO_RECALL_LE         cpu_to_le32(0x00400000)
+#define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000)
+
+#define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \
+                       | FILE_READ_ATTRIBUTES_LE)
+#define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \
+                       | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE)
+#define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE)
+
+/* Impersonation Levels */
+#define IL_ANONYMOUS           cpu_to_le32(0x00000000)
+#define IL_IDENTIFICATION      cpu_to_le32(0x00000001)
+#define IL_IMPERSONATION       cpu_to_le32(0x00000002)
+#define IL_DELEGATE            cpu_to_le32(0x00000003)
+
+/* Create Context Values */
+#define SMB2_CREATE_EA_BUFFER                  "ExtA" /* extended attributes */
+#define SMB2_CREATE_SD_BUFFER                  "SecD" /* security descriptor */
+#define SMB2_CREATE_DURABLE_HANDLE_REQUEST     "DHnQ"
+#define SMB2_CREATE_DURABLE_HANDLE_RECONNECT   "DHnC"
+#define SMB2_CREATE_ALLOCATION_SIZE            "AISi"
+#define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc"
+#define SMB2_CREATE_TIMEWARP_REQUEST           "TWrp"
+#define SMB2_CREATE_QUERY_ON_DISK_ID           "QFid"
+#define SMB2_CREATE_REQUEST_LEASE              "RqLs"
+#define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2  "DH2Q"
+#define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2        "DH2C"
+#define SMB2_CREATE_APP_INSTANCE_ID    0x45BCA66AEFA7F74A9008FA462E144D74
+#define SVHDX_OPEN_DEVICE_CONTEXT      0x83CE6F1AD851E0986E34401CC9BCFCE9
+
+struct smb2_create_req {
+       struct smb2_hdr hdr;
+       __le16 StructureSize;   /* Must be 57 */
+       __u8   SecurityFlags;
+       __u8   RequestedOplockLevel;
+       __le32 ImpersonationLevel;
+       __le64 SmbCreateFlags;
+       __le64 Reserved;
+       __le32 DesiredAccess;
+       __le32 FileAttributes;
+       __le32 ShareAccess;
+       __le32 CreateDisposition;
+       __le32 CreateOptions;
+       __le16 NameOffset;
+       __le16 NameLength;
+       __le32 CreateContextsOffset;
+       __le32 CreateContextsLength;
+       __u8   Buffer[0];
+} __packed;
+
+struct smb2_create_rsp {
+       struct smb2_hdr hdr;
+       __le16 StructureSize;   /* Must be 89 */
+       __u8   OplockLevel;
+       __u8   Reserved;
+       __le32 CreateAction;
+       __le64 CreationTime;
+       __le64 LastAccessTime;
+       __le64 LastWriteTime;
+       __le64 ChangeTime;
+       __le64 AllocationSize;
+       __le64 EndofFile;
+       __le32 FileAttributes;
+       __le32 Reserved2;
+       __u64  PersistentFileId; /* opaque endianness */
+       __u64  VolatileFileId; /* opaque endianness */
+       __le32 CreateContextsOffset;
+       __le32 CreateContextsLength;
+       __u8   Buffer[1];
+} __packed;
+
+struct create_context {
+       __le32 Next;
+       __le16 NameOffset;
+       __le16 NameLength;
+       __le16 Reserved;
+       __le16 DataOffset;
+       __le32 DataLength;
+       __u8 Buffer[0];
+} __packed;
+
+#define SMB2_LEASE_READ_CACHING_HE     0x01
+#define SMB2_LEASE_HANDLE_CACHING_HE   0x02
+#define SMB2_LEASE_WRITE_CACHING_HE    0x04
+
+#define SMB2_LEASE_NONE                        cpu_to_le32(0x00)
+#define SMB2_LEASE_READ_CACHING                cpu_to_le32(0x01)
+#define SMB2_LEASE_HANDLE_CACHING      cpu_to_le32(0x02)
+#define SMB2_LEASE_WRITE_CACHING       cpu_to_le32(0x04)
+
+#define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x02)
+
+#define SMB2_LEASE_KEY_SIZE 16
+
+struct lease_context {
+       __le64 LeaseKeyLow;
+       __le64 LeaseKeyHigh;
+       __le32 LeaseState;
+       __le32 LeaseFlags;
+       __le64 LeaseDuration;
+} __packed;
+
+struct lease_context_v2 {
+       __le64 LeaseKeyLow;
+       __le64 LeaseKeyHigh;
+       __le32 LeaseState;
+       __le32 LeaseFlags;
+       __le64 LeaseDuration;
+       __le64 ParentLeaseKeyLow;
+       __le64 ParentLeaseKeyHigh;
+       __le16 Epoch;
+       __le16 Reserved;
+} __packed;
+
+struct create_lease {
+       struct create_context ccontext;
+       __u8   Name[8];
+       struct lease_context lcontext;
+} __packed;
+
+struct create_lease_v2 {
+       struct create_context ccontext;
+       __u8   Name[8];
+       struct lease_context_v2 lcontext;
+       __u8   Pad[4];
+} __packed;
+
+struct create_durable {
+       struct create_context ccontext;
+       __u8   Name[8];
+       union {
+               __u8  Reserved[16];
+               struct {
+                       __u64 PersistentFileId;
+                       __u64 VolatileFileId;
+               } Fid;
+       } Data;
+} __packed;
+
+#define COPY_CHUNK_RES_KEY_SIZE        24
+struct resume_key_req {
+       char ResumeKey[COPY_CHUNK_RES_KEY_SIZE];
+       __le32  ContextLength;  /* MBZ */
+       char    Context[0];     /* ignored, Windows sets to 4 bytes of zero */
+} __packed;
+
+/* this goes in the ioctl buffer when doing a copychunk request */
+struct copychunk_ioctl {
+       char SourceKey[COPY_CHUNK_RES_KEY_SIZE];
+       __le32 ChunkCount; /* we are only sending 1 */
+       __le32 Reserved;
+       /* array will only be one chunk long for us */
+       __le64 SourceOffset;
+       __le64 TargetOffset;
+       __le32 Length; /* how many bytes to copy */
+       __u32 Reserved2;
+} __packed;
+
+/* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */
+struct file_zero_data_information {
+       __le64  FileOffset;
+       __le64  BeyondFinalZero;
+} __packed;
+
+struct copychunk_ioctl_rsp {
+       __le32 ChunksWritten;
+       __le32 ChunkBytesWritten;
+       __le32 TotalBytesWritten;
+} __packed;
+
+struct validate_negotiate_info_req {
+       __le32 Capabilities;
+       __u8   Guid[SMB2_CLIENT_GUID_SIZE];
+       __le16 SecurityMode;
+       __le16 DialectCount;
+       __le16 Dialects[1]; /* dialect (someday maybe list) client asked for */
+} __packed;
+
+struct validate_negotiate_info_rsp {
+       __le32 Capabilities;
+       __u8   Guid[SMB2_CLIENT_GUID_SIZE];
+       __le16 SecurityMode;
+       __le16 Dialect; /* Dialect in use for the connection */
+} __packed;
+
+#define RSS_CAPABLE    0x00000001
+#define RDMA_CAPABLE   0x00000002
+
+struct network_interface_info_ioctl_rsp {
+       __le32 Next; /* next interface. zero if this is last one */
+       __le32 IfIndex;
+       __le32 Capability; /* RSS or RDMA Capable */
+       __le32 Reserved;
+       __le64 LinkSpeed;
+       char    SockAddr_Storage[128];
+} __packed;
+
+#define NO_FILE_ID 0xFFFFFFFFFFFFFFFFULL /* general ioctls to srv not to file */
+
+struct compress_ioctl {
+       __le16 CompressionState; /* See cifspdu.h for possible flag values */
+} __packed;
+
+struct smb2_ioctl_req {
+       struct smb2_hdr hdr;
+       __le16 StructureSize;   /* Must be 57 */
+       __u16 Reserved;
+       __le32 CtlCode;
+       __u64  PersistentFileId; /* opaque endianness */
+       __u64  VolatileFileId; /* opaque endianness */
+       __le32 InputOffset;
+       __le32 InputCount;
+       __le32 MaxInputResponse;
+       __le32 OutputOffset;
+       __le32 OutputCount;
+       __le32 MaxOutputResponse;
+       __le32 Flags;
+       __u32  Reserved2;
+       __u8   Buffer[0];
+} __packed;
+
+struct smb2_ioctl_rsp {
+       struct smb2_hdr hdr;
+       __le16 StructureSize;   /* Must be 57 */
+       __u16 Reserved;
+       __le32 CtlCode;
+       __u64  PersistentFileId; /* opaque endianness */
+       __u64  VolatileFileId; /* opaque endianness */
+       __le32 InputOffset;
+       __le32 InputCount;
+       __le32 OutputOffset;
+       __le32 OutputCount;
+       __le32 Flags;
+       __u32  Reserved2;
+       /* char * buffer[] */
+} __packed;
+
+/* Currently defined values for close flags */
+#define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB       cpu_to_le16(0x0001)
+struct smb2_close_req {
+       struct smb2_hdr hdr;
+       __le16 StructureSize;   /* Must be 24 */
+       __le16 Flags;
+       __le32 Reserved;
+       __u64  PersistentFileId; /* opaque endianness */
+       __u64  VolatileFileId; /* opaque endianness */
+} __packed;
+
+struct smb2_close_rsp {
+       struct smb2_hdr hdr;
+       __le16 StructureSize; /* 60 */
+       __le16 Flags;
+       __le32 Reserved;
+       __le64 CreationTime;
+       __le64 LastAccessTime;
+       __le64 LastWriteTime;
+       __le64 ChangeTime;
+       __le64 AllocationSize;  /* Beginning of FILE_STANDARD_INFO equivalent */
+       __le64 EndOfFile;
+       __le32 Attributes;
+} __packed;
+
+struct smb2_flush_req {
+       struct smb2_hdr hdr;
+       __le16 StructureSize;   /* Must be 24 */
+       __le16 Reserved1;
+       __le32 Reserved2;
+       __u64  PersistentFileId; /* opaque endianness */
+       __u64  VolatileFileId; /* opaque endianness */
+} __packed;
+
+struct smb2_flush_rsp {
+       struct smb2_hdr hdr;
+       __le16 StructureSize;
+       __le16 Reserved;
+} __packed;
+
+/* For read request Flags field below, following flag is defined for SMB3.02 */
+#define SMB2_READFLAG_READ_UNBUFFERED  0x01
+
+/* Channel field for read and write: exactly one of following flags can be set*/
+#define SMB2_CHANNEL_NONE              0x00000000
+#define SMB2_CHANNEL_RDMA_V1           0x00000001 /* SMB3 or later */
+#define SMB2_CHANNEL_RDMA_V1_INVALIDATE 0x00000001 /* SMB3.02 or later */
+
+struct smb2_read_req {
+       struct smb2_hdr hdr;
+       __le16 StructureSize; /* Must be 49 */
+       __u8   Padding; /* offset from start of SMB2 header to place read */
+       __u8   Flags; /* MBZ unless SMB3.02 or later */
+       __le32 Length;
+       __le64 Offset;
+       __u64  PersistentFileId; /* opaque endianness */
+       __u64  VolatileFileId; /* opaque endianness */
+       __le32 MinimumCount;
+       __le32 Channel; /* MBZ except for SMB3 or later */
+       __le32 RemainingBytes;
+       __le16 ReadChannelInfoOffset; /* Reserved MBZ */
+       __le16 ReadChannelInfoLength; /* Reserved MBZ */
+       __u8   Buffer[1];
+} __packed;
+
+struct smb2_read_rsp {
+       struct smb2_hdr hdr;
+       __le16 StructureSize; /* Must be 17 */
+       __u8   DataOffset;
+       __u8   Reserved;
+       __le32 DataLength;
+       __le32 DataRemaining;
+       __u32  Reserved2;
+       __u8   Buffer[1];
+} __packed;
+
+/* For write request Flags field below the following flags are defined: */
+#define SMB2_WRITEFLAG_WRITE_THROUGH   0x00000001      /* SMB2.1 or later */
+#define SMB2_WRITEFLAG_WRITE_UNBUFFERED        0x00000002      /* SMB3.02 or later */
+
+struct smb2_write_req {
+       struct smb2_hdr hdr;
+       __le16 StructureSize; /* Must be 49 */
+       __le16 DataOffset; /* offset from start of SMB2 header to write data */
+       __le32 Length;
+       __le64 Offset;
+       __u64  PersistentFileId; /* opaque endianness */
+       __u64  VolatileFileId; /* opaque endianness */
+       __le32 Channel; /* Reserved MBZ */
+       __le32 RemainingBytes;
+       __le16 WriteChannelInfoOffset; /* Reserved MBZ */
+       __le16 WriteChannelInfoLength; /* Reserved MBZ */
+       __le32 Flags;
+       __u8   Buffer[1];
+} __packed;
+
+struct smb2_write_rsp {
+       struct smb2_hdr hdr;
+       __le16 StructureSize; /* Must be 17 */
+       __u8   DataOffset;
+       __u8   Reserved;
+       __le32 DataLength;
+       __le32 DataRemaining;
+       __u32  Reserved2;
+       __u8   Buffer[1];
+} __packed;
+
+#define SMB2_LOCKFLAG_SHARED_LOCK      0x0001
+#define SMB2_LOCKFLAG_EXCLUSIVE_LOCK   0x0002
+#define SMB2_LOCKFLAG_UNLOCK           0x0004
+#define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010
+
+struct smb2_lock_element {
+       __le64 Offset;
+       __le64 Length;
+       __le32 Flags;
+       __le32 Reserved;
+} __packed;
+
+struct smb2_lock_req {
+       struct smb2_hdr hdr;
+       __le16 StructureSize; /* Must be 48 */
+       __le16 LockCount;
+       __le32 Reserved;
+       __u64  PersistentFileId; /* opaque endianness */
+       __u64  VolatileFileId; /* opaque endianness */
+       /* Followed by at least one */
+       struct smb2_lock_element locks[1];
+} __packed;
+
+struct smb2_lock_rsp {
+       struct smb2_hdr hdr;
+       __le16 StructureSize; /* Must be 4 */
+       __le16 Reserved;
+} __packed;
+
+struct smb2_echo_req {
+       struct smb2_hdr hdr;
+       __le16 StructureSize;   /* Must be 4 */
+       __u16  Reserved;
+} __packed;
+
+struct smb2_echo_rsp {
+       struct smb2_hdr hdr;
+       __le16 StructureSize;   /* Must be 4 */
+       __u16  Reserved;
+} __packed;
+
+/* search (query_directory) Flags field */
+#define SMB2_RESTART_SCANS             0x01
+#define SMB2_RETURN_SINGLE_ENTRY       0x02
+#define SMB2_INDEX_SPECIFIED           0x04
+#define SMB2_REOPEN                    0x10
+
+struct smb2_query_directory_req {
+       struct smb2_hdr hdr;
+       __le16 StructureSize; /* Must be 33 */
+       __u8   FileInformationClass;
+       __u8   Flags;
+       __le32 FileIndex;
+       __u64  PersistentFileId; /* opaque endianness */
+       __u64  VolatileFileId; /* opaque endianness */
+       __le16 FileNameOffset;
+       __le16 FileNameLength;
+       __le32 OutputBufferLength;
+       __u8   Buffer[1];
+} __packed;
+
+struct smb2_query_directory_rsp {
+       struct smb2_hdr hdr;
+       __le16 StructureSize; /* Must be 9 */
+       __le16 OutputBufferOffset;
+       __le32 OutputBufferLength;
+       __u8   Buffer[1];
+} __packed;
+
+/* Possible InfoType values */
+#define SMB2_O_INFO_FILE       0x01
+#define SMB2_O_INFO_FILESYSTEM 0x02
+#define SMB2_O_INFO_SECURITY   0x03
+#define SMB2_O_INFO_QUOTA      0x04
+
+/* Security info type additionalinfo flags. See MS-SMB2 (2.2.37) or MS-DTYP */
+#define OWNER_SECINFO   0x00000001
+#define GROUP_SECINFO   0x00000002
+#define DACL_SECINFO   0x00000004
+#define SACL_SECINFO   0x00000008
+#define LABEL_SECINFO   0x00000010
+#define ATTRIBUTE_SECINFO   0x00000020
+#define SCOPE_SECINFO   0x00000040
+#define BACKUP_SECINFO   0x00010000
+#define UNPROTECTED_SACL_SECINFO   0x10000000
+#define UNPROTECTED_DACL_SECINFO   0x20000000
+#define PROTECTED_SACL_SECINFO   0x40000000
+#define PROTECTED_DACL_SECINFO   0x80000000
+
+/* Flags used for FileFullEAinfo */
+#define SL_RESTART_SCAN                0x00000001
+#define SL_RETURN_SINGLE_ENTRY 0x00000002
+#define SL_INDEX_SPECIFIED     0x00000004
+
+struct smb2_query_info_req {
+       struct smb2_hdr hdr;
+       __le16 StructureSize; /* Must be 41 */
+       __u8   InfoType;
+       __u8   FileInfoClass;
+       __le32 OutputBufferLength;
+       __le16 InputBufferOffset;
+       __u16  Reserved;
+       __le32 InputBufferLength;
+       __le32 AdditionalInformation;
+       __le32 Flags;
+       __u64  PersistentFileId; /* opaque endianness */
+       __u64  VolatileFileId; /* opaque endianness */
+       __u8   Buffer[1];
+} __packed;
+
+struct smb2_query_info_rsp {
+       struct smb2_hdr hdr;
+       __le16 StructureSize; /* Must be 9 */
+       __le16 OutputBufferOffset;
+       __le32 OutputBufferLength;
+       __u8   Buffer[1];
+} __packed;
+
+struct smb2_set_info_req {
+       struct smb2_hdr hdr;
+       __le16 StructureSize; /* Must be 33 */
+       __u8   InfoType;
+       __u8   FileInfoClass;
+       __le32 BufferLength;
+       __le16 BufferOffset;
+       __u16  Reserved;
+       __le32 AdditionalInformation;
+       __u64  PersistentFileId; /* opaque endianness */
+       __u64  VolatileFileId; /* opaque endianness */
+       __u8   Buffer[1];
+} __packed;
+
+struct smb2_set_info_rsp {
+       struct smb2_hdr hdr;
+       __le16 StructureSize; /* Must be 2 */
+} __packed;
+
+struct smb2_oplock_break {
+       struct smb2_hdr hdr;
+       __le16 StructureSize; /* Must be 24 */
+       __u8   OplockLevel;
+       __u8   Reserved;
+       __le32 Reserved2;
+       __u64  PersistentFid;
+       __u64  VolatileFid;
+} __packed;
+
+#define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01)
+
+struct smb2_lease_break {
+       struct smb2_hdr hdr;
+       __le16 StructureSize; /* Must be 44 */
+       __le16 Reserved;
+       __le32 Flags;
+       __u8   LeaseKey[16];
+       __le32 CurrentLeaseState;
+       __le32 NewLeaseState;
+       __le32 BreakReason;
+       __le32 AccessMaskHint;
+       __le32 ShareMaskHint;
+} __packed;
+
+struct smb2_lease_ack {
+       struct smb2_hdr hdr;
+       __le16 StructureSize; /* Must be 36 */
+       __le16 Reserved;
+       __le32 Flags;
+       __u8   LeaseKey[16];
+       __le32 LeaseState;
+       __le64 LeaseDuration;
+} __packed;
+
+/*
+ *     PDU infolevel structure definitions
+ *     BB consider moving to a different header
+ */
+
+/* File System Information Classes */
+#define FS_VOLUME_INFORMATION          1 /* Query */
+#define FS_LABEL_INFORMATION           2 /* Local only */
+#define FS_SIZE_INFORMATION            3 /* Query */
+#define FS_DEVICE_INFORMATION          4 /* Query */
+#define FS_ATTRIBUTE_INFORMATION       5 /* Query */
+#define FS_CONTROL_INFORMATION         6 /* Query, Set */
+#define FS_FULL_SIZE_INFORMATION       7 /* Query */
+#define FS_OBJECT_ID_INFORMATION       8 /* Query, Set */
+#define FS_DRIVER_PATH_INFORMATION     9 /* Local only */
+#define FS_VOLUME_FLAGS_INFORMATION    10 /* Local only */
+#define FS_SECTOR_SIZE_INFORMATION     11 /* SMB3 or later. Query */
+
+struct smb2_fs_full_size_info {
+       __le64 TotalAllocationUnits;
+       __le64 CallerAvailableAllocationUnits;
+       __le64 ActualAvailableAllocationUnits;
+       __le32 SectorsPerAllocationUnit;
+       __le32 BytesPerSector;
+} __packed;
+
+#define SSINFO_FLAGS_ALIGNED_DEVICE            0x00000001
+#define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002
+#define SSINFO_FLAGS_NO_SEEK_PENALTY           0x00000004
+#define SSINFO_FLAGS_TRIM_ENABLED              0x00000008
+
+/* sector size info struct */
+struct smb3_fs_ss_info {
+       __le32 LogicalBytesPerSector;
+       __le32 PhysicalBytesPerSectorForAtomicity;
+       __le32 PhysicalBytesPerSectorForPerf;
+       __le32 FileSystemEffectivePhysicalBytesPerSectorForAtomicity;
+       __le32 Flags;
+       __le32 ByteOffsetForSectorAlignment;
+       __le32 ByteOffsetForPartitionAlignment;
+} __packed;
+
+/* partial list of QUERY INFO levels */
+#define FILE_DIRECTORY_INFORMATION     1
+#define FILE_FULL_DIRECTORY_INFORMATION 2
+#define FILE_BOTH_DIRECTORY_INFORMATION 3
+#define FILE_BASIC_INFORMATION         4
+#define FILE_STANDARD_INFORMATION      5
+#define FILE_INTERNAL_INFORMATION      6
+#define FILE_EA_INFORMATION            7
+#define FILE_ACCESS_INFORMATION                8
+#define FILE_NAME_INFORMATION          9
+#define FILE_RENAME_INFORMATION                10
+#define FILE_LINK_INFORMATION          11
+#define FILE_NAMES_INFORMATION         12
+#define FILE_DISPOSITION_INFORMATION   13
+#define FILE_POSITION_INFORMATION      14
+#define FILE_FULL_EA_INFORMATION       15
+#define FILE_MODE_INFORMATION          16
+#define FILE_ALIGNMENT_INFORMATION     17
+#define FILE_ALL_INFORMATION           18
+#define FILE_ALLOCATION_INFORMATION    19
+#define FILE_END_OF_FILE_INFORMATION   20
+#define FILE_ALTERNATE_NAME_INFORMATION 21
+#define FILE_STREAM_INFORMATION                22
+#define FILE_PIPE_INFORMATION          23
+#define FILE_PIPE_LOCAL_INFORMATION    24
+#define FILE_PIPE_REMOTE_INFORMATION   25
+#define FILE_MAILSLOT_QUERY_INFORMATION 26
+#define FILE_MAILSLOT_SET_INFORMATION  27
+#define FILE_COMPRESSION_INFORMATION   28
+#define FILE_OBJECT_ID_INFORMATION     29
+/* Number 30 not defined in documents */
+#define FILE_MOVE_CLUSTER_INFORMATION  31
+#define FILE_QUOTA_INFORMATION         32
+#define FILE_REPARSE_POINT_INFORMATION 33
+#define FILE_NETWORK_OPEN_INFORMATION  34
+#define FILE_ATTRIBUTE_TAG_INFORMATION 35
+#define FILE_TRACKING_INFORMATION      36
+#define FILEID_BOTH_DIRECTORY_INFORMATION 37
+#define FILEID_FULL_DIRECTORY_INFORMATION 38
+#define FILE_VALID_DATA_LENGTH_INFORMATION 39
+#define FILE_SHORT_NAME_INFORMATION    40
+#define FILE_SFIO_RESERVE_INFORMATION  44
+#define FILE_SFIO_VOLUME_INFORMATION   45
+#define FILE_HARD_LINK_INFORMATION     46
+#define FILE_NORMALIZED_NAME_INFORMATION 48
+#define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50
+#define FILE_STANDARD_LINK_INFORMATION 54
+
+struct smb2_file_internal_info {
+       __le64 IndexNumber;
+} __packed; /* level 6 Query */
+
+struct smb2_file_rename_info { /* encoding of request for level 10 */
+       __u8   ReplaceIfExists; /* 1 = replace existing target with new */
+                               /* 0 = fail if target already exists */
+       __u8   Reserved[7];
+       __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
+       __le32 FileNameLength;
+       char   FileName[0];     /* New name to be assigned */
+} __packed; /* level 10 Set */
+
+struct smb2_file_link_info { /* encoding of request for level 11 */
+       __u8   ReplaceIfExists; /* 1 = replace existing link with new */
+                               /* 0 = fail if link already exists */
+       __u8   Reserved[7];
+       __u64  RootDirectory;  /* MBZ for network operations (why says spec?) */
+       __le32 FileNameLength;
+       char   FileName[0];     /* Name to be assigned to new link */
+} __packed; /* level 11 Set */
+
+/*
+ * This level 18, although with struct with same name is different from cifs
+ * level 0x107. Level 0x107 has an extra u64 between AccessFlags and
+ * CurrentByteOffset.
+ */
+struct smb2_file_all_info { /* data block encoding of response to level 18 */
+       __le64 CreationTime;    /* Beginning of FILE_BASIC_INFO equivalent */
+       __le64 LastAccessTime;
+       __le64 LastWriteTime;
+       __le64 ChangeTime;
+       __le32 Attributes;
+       __u32  Pad1;            /* End of FILE_BASIC_INFO_INFO equivalent */
+       __le64 AllocationSize;  /* Beginning of FILE_STANDARD_INFO equivalent */
+       __le64 EndOfFile;       /* size ie offset to first free byte in file */
+       __le32 NumberOfLinks;   /* hard links */
+       __u8   DeletePending;
+       __u8   Directory;
+       __u16  Pad2;            /* End of FILE_STANDARD_INFO equivalent */
+       __le64 IndexNumber;
+       __le32 EASize;
+       __le32 AccessFlags;
+       __le64 CurrentByteOffset;
+       __le32 Mode;
+       __le32 AlignmentRequirement;
+       __le32 FileNameLength;
+       char   FileName[1];
+} __packed; /* level 18 Query */
+
+struct smb2_file_eof_info { /* encoding of request for level 10 */
+       __le64 EndOfFile; /* new end of file value */
+} __packed; /* level 20 Set */
+
+#endif                         /* _SMB2PDU_H */