[PATCH 4/4] cifs: Move SMB2_Create definitions to the shared area

Ronnie Sahlberg
2021-09-08T02:10:40Z

Move all SMB2_Create definitions (except contexts) into the shared area.

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
---
fs/cifs/smb2misc.c | 4 +-
fs/cifs/smb2ops.c | 8 +-
fs/cifs/smb2pdu.c | 13 ++-
fs/cifs/smb2pdu.h | 165 --------------------------------
fs/cifs_common/smb2pdu.h | 201 +++++++++++++++++++++++++++++++++++++++
5 files changed, 215 insertions(+), 176 deletions(-)

diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c
index 1c466d7ad7fd..8cfbc6f85867 100644
--- a/fs/cifs/smb2misc.c
+++ b/fs/cifs/smb2misc.c
@@ -833,8 +833,8 @@ smb2_handle_cancelled_mid(struct mid_q_entry *mid, struct TCP_Server_Info *serve
rc = __smb2_handle_cancelled_cmd(tcon,
le16_to_cpu(hdr->Command),
le64_to_cpu(hdr->MessageId),
- rsp->PersistentFileId,
- rsp->VolatileFileId);
+ le64_to_cpu(rsp->PersistentFileId),
+ le64_to_cpu(rsp->VolatileFileId));
if (rc)
cifs_put_tcon(tcon);

diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index c91e64b4dcc4..e71043f87439 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -879,8 +879,8 @@ int open_cached_dir(unsigned int xid, struct cifs_tcon *tcon,
atomic_inc(&tcon->num_remote_opens);

o_rsp = (struct smb2_create_rsp *)rsp_iov[0].iov_base;
- oparms.fid->persistent_fid = o_rsp->PersistentFileId;
- oparms.fid->volatile_fid = o_rsp->VolatileFileId;
+ oparms.fid->persistent_fid = le64_to_cpu(o_rsp->PersistentFileId);
+ oparms.fid->volatile_fid = le64_to_cpu(o_rsp->VolatileFileId);
#ifdef CONFIG_CIFS_DEBUG2
oparms.fid->mid = le64_to_cpu(o_rsp->hdr.MessageId);
#endif /* CIFS_DEBUG2 */
@@ -2389,8 +2389,8 @@ smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon,
cifs_dbg(FYI, "query_dir_first: open failed rc=%d\n", rc);
goto qdf_free;
}
- fid->persistent_fid = op_rsp->PersistentFileId;
- fid->volatile_fid = op_rsp->VolatileFileId;
+ fid->persistent_fid = le64_to_cpu(op_rsp->PersistentFileId);
+ fid->volatile_fid = le64_to_cpu(op_rsp->VolatileFileId);

/* Anything else than ENODATA means a genuine error */
if (rc && rc != -ENODATA) {
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 502aadbd85cb..6b491f04b450 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -2672,11 +2672,13 @@ int smb311_posix_mkdir(const unsigned int xid, struct inode *inode,
}

rsp = (struct smb2_create_rsp *)rsp_iov.iov_base;
- trace_smb3_posix_mkdir_done(xid, rsp->PersistentFileId, tcon->tid,
+ trace_smb3_posix_mkdir_done(xid, le64_to_cpu(rsp->PersistentFileId),
+ tcon->tid,
ses->Suid, CREATE_NOT_FILE,
FILE_WRITE_ATTRIBUTES);

- SMB2_close(xid, tcon, rsp->PersistentFileId, rsp->VolatileFileId);
+ SMB2_close(xid, tcon, le64_to_cpu(rsp->PersistentFileId),
+ le64_to_cpu(rsp->VolatileFileId));

/* Eventually save off posix specific response info and timestaps */

@@ -2943,13 +2945,14 @@ SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, __le16 *path,
}
goto creat_exit;
} else
- trace_smb3_open_done(xid, rsp->PersistentFileId, tcon->tid,
+ trace_smb3_open_done(xid, le64_to_cpu(rsp->PersistentFileId),
+ tcon->tid,
ses->Suid, oparms->create_options,
oparms->desired_access);

atomic_inc(&tcon->num_remote_opens);
- oparms->fid->persistent_fid = rsp->PersistentFileId;
- oparms->fid->volatile_fid = rsp->VolatileFileId;
+ oparms->fid->persistent_fid = le64_to_cpu(rsp->PersistentFileId);
+ oparms->fid->volatile_fid = le64_to_cpu(rsp->VolatileFileId);
oparms->fid->access = oparms->desired_access;
#ifdef CONFIG_CIFS_DEBUG2
oparms->fid->mid = le64_to_cpu(rsp->hdr.MessageId);
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index f5760346d9c5..d06676daaa7d 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -116,120 +116,6 @@ struct share_redirect_error_context_rsp {
/* __u8 ResourceName[] */ /* Name of share as counted Unicode string */
} __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. See MS-WPO section 9.7 and MSDN-IMPERS */
-#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 SMB2_CREATE_APP_INSTANCE_VERSION 0xB982D0B73B56074FA07B524A8116A010
-#define SVHDX_OPEN_DEVICE_CONTEX 0x9CCBCF9E04C1E643980E158DA1F6EC83
-#define SMB2_CREATE_TAG_POSIX 0x93AD25509CB411E7B42383DE968BCD7C
-
-/* Flag (SMB3 open response) values */
-#define SMB2_CREATE_FLAG_REPARSEPOINT 0x01
-
/*
* Maximum number of iovs we need for an open/create request.
* [0] : struct smb2_create_req
@@ -243,26 +129,6 @@ struct share_redirect_error_context_rsp {
*/
#define SMB2_CREATE_IOV_SIZE 8

-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[];
-} __packed;
-
/*
* Maximum size of a SMB2_CREATE response is 64 (smb2 header) +
* 88 (fixed part of create response) + 520 (path) + 208 (contexts) +
@@ -270,37 +136,6 @@ struct smb2_create_req {
*/
#define MAX_SMB2_CREATE_RESPONSE_SIZE 880

-struct smb2_create_rsp {
- struct smb2_hdr hdr;
- __le16 StructureSize; /* Must be 89 */
- __u8 OplockLevel;
- __u8 Flag; /* 0x01 if reparse point */
- __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[];
-} __packed;
-
#define SMB2_LEASE_READ_CACHING_HE 0x01
#define SMB2_LEASE_HANDLE_CACHING_HE 0x02
#define SMB2_LEASE_WRITE_CACHING_HE 0x04
diff --git a/fs/cifs_common/smb2pdu.h b/fs/cifs_common/smb2pdu.h
index 0d9c3ebdb773..7ccadcbe684b 100644
--- a/fs/cifs_common/smb2pdu.h
+++ b/fs/cifs_common/smb2pdu.h
@@ -784,5 +784,206 @@ struct smb2_change_notify_rsp {
} __packed;

+/*
+ * SMB2_CREATE See MS-SMB2 section 2.2.13
+ */
+/* 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
+
+/* Impersonation Levels. See MS-WPO section 9.7 and MSDN-IMPERS */
+#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)
+
+/* 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
+#define FILE_ATTRIBUTE__MASK 0x00007FB7
+
+#define FILE_ATTRIBUTE_READONLY_LE cpu_to_le32(0x00000001)
+#define FILE_ATTRIBUTE_HIDDEN_LE cpu_to_le32(0x00000002)
+#define FILE_ATTRIBUTE_SYSTEM_LE cpu_to_le32(0x00000004)
+#define FILE_ATTRIBUTE_DIRECTORY_LE cpu_to_le32(0x00000010)
+#define FILE_ATTRIBUTE_ARCHIVE_LE cpu_to_le32(0x00000020)
+#define FILE_ATTRIBUTE_NORMAL_LE cpu_to_le32(0x00000080)
+#define FILE_ATTRIBUTE_TEMPORARY_LE cpu_to_le32(0x00000100)
+#define FILE_ATTRIBUTE_SPARSE_FILE_LE cpu_to_le32(0x00000200)
+#define FILE_ATTRIBUTE_REPARSE_POINT_LE cpu_to_le32(0x00000400)
+#define FILE_ATTRIBUTE_COMPRESSED_LE cpu_to_le32(0x00000800)
+#define FILE_ATTRIBUTE_OFFLINE_LE cpu_to_le32(0x00001000)
+#define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED_LE cpu_to_le32(0x00002000)
+#define FILE_ATTRIBUTE_ENCRYPTED_LE cpu_to_le32(0x00004000)
+#define FILE_ATTRIBUTE_INTEGRITY_STREAM_LE cpu_to_le32(0x00008000)
+#define FILE_ATTRIBUTE_NO_SCRUB_DATA_LE cpu_to_le32(0x00020000)
+#define FILE_ATTRIBUTE_MASK_LE cpu_to_le32(0x00007FB7)
+
+/* Desired Access Flags */
+#define FILE_READ_DATA_LE cpu_to_le32(0x00000001)
+#define FILE_LIST_DIRECTORY_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_ADD_SUBDIRECTORY_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_DELETE_CHILD_LE cpu_to_le32(0x00000040)
+#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)
+#define DESIRED_ACCESS_MASK cpu_to_le32(0xF21F01FF)
+
+
+#define FILE_READ_DESIRED_ACCESS_LE (FILE_READ_DATA_LE | \
+ FILE_READ_EA_LE | \
+ FILE_GENERIC_READ_LE)
+#define FILE_WRITE_DESIRE_ACCESS_LE (FILE_WRITE_DATA_LE | \
+ FILE_APPEND_DATA_LE | \
+ FILE_WRITE_EA_LE | \
+ FILE_WRITE_ATTRIBUTES_LE | \
+ FILE_GENERIC_WRITE_LE)
+
+/* 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)
+#define FILE_CREATE_MASK_LE cpu_to_le32(0x00000007)
+
+#define FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA \
+ | FILE_READ_ATTRIBUTES)
+#define FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \
+ | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES)
+#define FILE_EXEC_RIGHTS (FILE_EXECUTE)
+
+/* 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_BUFFERING_LE cpu_to_le32(0x00000008)
+#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_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000)
+#define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000)
+#define CREATE_OPTIONS_MASK_LE cpu_to_le32(0x00FFFFFF)
+
+#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)
+
+/* 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_TAG_POSIX "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C"
+
+/* Flag (SMB3 open response) values */
+#define SMB2_CREATE_FLAG_REPARSEPOINT 0x01
+
+struct create_context {
+ __le32 Next;
+ __le16 NameOffset;
+ __le16 NameLength;
+ __le16 Reserved;
+ __le16 DataOffset;
+ __le32 DataLength;
+ __u8 Buffer[];
+} __packed;
+
+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[];
+} __packed;
+
+struct smb2_create_rsp {
+ struct smb2_hdr hdr;
+ __le16 StructureSize; /* Must be 89 */
+ __u8 OplockLevel;
+ __u8 Flags; /* 0x01 if reparse point */
+ __le32 CreateAction;
+ __le64 CreationTime;
+ __le64 LastAccessTime;
+ __le64 LastWriteTime;
+ __le64 ChangeTime;
+ __le64 AllocationSize;
+ __le64 EndofFile;
+ __le32 FileAttributes;
+ __le32 Reserved2;
+ __le64 PersistentFileId;
+ __le64 VolatileFileId;
+ __le32 CreateContextsOffset;
+ __le32 CreateContextsLength;
+ __u8 Buffer[1];