CIFS: Query SMB2 inode info

Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: Steve French <smfrench@gmail.com>

1 files changed, 111 insertions, 0 deletions

diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index 5cd358ef312e..9151e9040b02 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -448,4 +448,115 @@ struct smb2_close_rsp {
         __le32 Attributes;
 } __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
+
+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;
+
+/*
+ *      PDU infolevel structure definitions
+ *      BB consider moving to a different header
+ */
+
+/* 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
+
+/*
+ * 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 */
+
 #endif                          /* _SMB2PDU_H */