diff options
Diffstat (limited to 'fs/ntfs3/ntfs.h')
| -rw-r--r-- | fs/ntfs3/ntfs.h | 117 |
1 files changed, 67 insertions, 50 deletions
diff --git a/fs/ntfs3/ntfs.h b/fs/ntfs3/ntfs.h index 90151e56c122..98b76d1b09e7 100644 --- a/fs/ntfs3/ntfs.h +++ b/fs/ntfs3/ntfs.h @@ -95,11 +95,10 @@ enum RECORD_NUM { MFT_REC_BITMAP = 6, MFT_REC_BOOT = 7, MFT_REC_BADCLUST = 8, - //MFT_REC_QUOTA = 9, - MFT_REC_SECURE = 9, // NTFS 3.0 + MFT_REC_SECURE = 9, MFT_REC_UPCASE = 10, - MFT_REC_EXTEND = 11, // NTFS 3.0 - MFT_REC_RESERVED = 11, + MFT_REC_EXTEND = 11, + MFT_REC_RESERVED = 12, MFT_REC_FREE = 16, MFT_REC_USER = 24, }; @@ -109,7 +108,6 @@ enum ATTR_TYPE { ATTR_STD = cpu_to_le32(0x10), ATTR_LIST = cpu_to_le32(0x20), ATTR_NAME = cpu_to_le32(0x30), - // ATTR_VOLUME_VERSION on Nt4 ATTR_ID = cpu_to_le32(0x40), ATTR_SECURE = cpu_to_le32(0x50), ATTR_LABEL = cpu_to_le32(0x60), @@ -118,7 +116,6 @@ enum ATTR_TYPE { ATTR_ROOT = cpu_to_le32(0x90), ATTR_ALLOC = cpu_to_le32(0xA0), ATTR_BITMAP = cpu_to_le32(0xB0), - // ATTR_SYMLINK on Nt4 ATTR_REPARSE = cpu_to_le32(0xC0), ATTR_EA_INFO = cpu_to_le32(0xD0), ATTR_EA = cpu_to_le32(0xE0), @@ -144,6 +141,7 @@ enum FILE_ATTRIBUTE { FILE_ATTRIBUTE_ENCRYPTED = cpu_to_le32(0x00004000), FILE_ATTRIBUTE_VALID_FLAGS = cpu_to_le32(0x00007fb7), FILE_ATTRIBUTE_DIRECTORY = cpu_to_le32(0x10000000), + FILE_ATTRIBUTE_INDEX = cpu_to_le32(0x20000000) }; static_assert(sizeof(enum FILE_ATTRIBUTE) == 4); @@ -266,7 +264,7 @@ enum RECORD_FLAG { RECORD_FLAG_IN_USE = cpu_to_le16(0x0001), RECORD_FLAG_DIR = cpu_to_le16(0x0002), RECORD_FLAG_SYSTEM = cpu_to_le16(0x0004), - RECORD_FLAG_UNKNOWN = cpu_to_le16(0x0008), + RECORD_FLAG_INDEX = cpu_to_le16(0x0008), }; /* MFT Record structure. */ @@ -290,6 +288,15 @@ struct MFT_REC { #define MFTRECORD_FIXUP_OFFSET_1 offsetof(struct MFT_REC, res) #define MFTRECORD_FIXUP_OFFSET_3 offsetof(struct MFT_REC, fixups) +/* + * define MFTRECORD_FIXUP_OFFSET as MFTRECORD_FIXUP_OFFSET_3 (0x30) + * to format new mft records with bigger header (as current ntfs.sys does) + * + * define MFTRECORD_FIXUP_OFFSET as MFTRECORD_FIXUP_OFFSET_1 (0x2A) + * to format new mft records with smaller header (as old ntfs.sys did) + * Both variants are valid. + */ +#define MFTRECORD_FIXUP_OFFSET MFTRECORD_FIXUP_OFFSET_1 static_assert(MFTRECORD_FIXUP_OFFSET_1 == 0x2A); static_assert(MFTRECORD_FIXUP_OFFSET_3 == 0x30); @@ -331,18 +338,18 @@ struct ATTR_NONRESIDENT { __le64 svcn; // 0x10: Starting VCN of this segment. __le64 evcn; // 0x18: End VCN of this segment. __le16 run_off; // 0x20: Offset to packed runs. - // Unit of Compression size for this stream, expressed - // as a log of the cluster size. + // Unit of Compression size for this stream, expressed + // as a log of the cluster size. // - // 0 means file is not compressed - // 1, 2, 3, and 4 are potentially legal values if the - // stream is compressed, however the implementation - // may only choose to use 4, or possibly 3. Note - // that 4 means cluster size time 16. If convenient - // the implementation may wish to accept a - // reasonable range of legal values here (1-5?), - // even if the implementation only generates - // a smaller set of values itself. + // 0 means file is not compressed + // 1, 2, 3, and 4 are potentially legal values if the + // stream is compressed, however the implementation + // may only choose to use 4, or possibly 3. + // Note that 4 means cluster size time 16. + // If convenient the implementation may wish to accept a + // reasonable range of legal values here (1-5?), + // even if the implementation only generates + // a smaller set of values itself. u8 c_unit; // 0x22: u8 res1[5]; // 0x23: __le64 alloc_size; // 0x28: The allocated size of attribute in bytes. @@ -836,16 +843,22 @@ static_assert(sizeof(struct ATTR_DEF_ENTRY) == 0xa0); /* Object ID (0x40) */ struct OBJECT_ID { struct GUID ObjId; // 0x00: Unique Id assigned to file. - struct GUID BirthVolumeId; // 0x10: Birth Volume Id is the Object Id of the Volume on. - // which the Object Id was allocated. It never changes. - struct GUID BirthObjectId; // 0x20: Birth Object Id is the first Object Id that was - // ever assigned to this MFT Record. I.e. If the Object Id - // is changed for some reason, this field will reflect the - // original value of the Object Id. - struct GUID DomainId; // 0x30: Domain Id is currently unused but it is intended to be - // used in a network environment where the local machine is - // part of a Windows 2000 Domain. This may be used in a Windows - // 2000 Advanced Server managed domain. + + // Birth Volume Id is the Object Id of the Volume on. + // which the Object Id was allocated. It never changes. + struct GUID BirthVolumeId; //0x10: + + // Birth Object Id is the first Object Id that was + // ever assigned to this MFT Record. I.e. If the Object Id + // is changed for some reason, this field will reflect the + // original value of the Object Id. + struct GUID BirthObjectId; // 0x20: + + // Domain Id is currently unused but it is intended to be + // used in a network environment where the local machine is + // part of a Windows 2000 Domain. This may be used in a Windows + // 2000 Advanced Server managed domain. + struct GUID DomainId; // 0x30: }; static_assert(sizeof(struct OBJECT_ID) == 0x40); @@ -855,32 +868,35 @@ struct NTFS_DE_O { struct NTFS_DE de; struct GUID ObjId; // 0x10: Unique Id assigned to file. struct MFT_REF ref; // 0x20: MFT record number with this file. - struct GUID BirthVolumeId; // 0x28: Birth Volume Id is the Object Id of the Volume on - // which the Object Id was allocated. It never changes. - struct GUID BirthObjectId; // 0x38: Birth Object Id is the first Object Id that was - // ever assigned to this MFT Record. I.e. If the Object Id - // is changed for some reason, this field will reflect the - // original value of the Object Id. - // This field is valid if data_size == 0x48. - struct GUID BirthDomainId; // 0x48: Domain Id is currently unused but it is intended - // to be used in a network environment where the local - // machine is part of a Windows 2000 Domain. This may be - // used in a Windows 2000 Advanced Server managed domain. + + // Birth Volume Id is the Object Id of the Volume on + // which the Object Id was allocated. It never changes. + struct GUID BirthVolumeId; // 0x28: + + // Birth Object Id is the first Object Id that was + // ever assigned to this MFT Record. I.e. If the Object Id + // is changed for some reason, this field will reflect the + // original value of the Object Id. + // This field is valid if data_size == 0x48. + struct GUID BirthObjectId; // 0x38: + + // Domain Id is currently unused but it is intended + // to be used in a network environment where the local + // machine is part of a Windows 2000 Domain. This may be + // used in a Windows 2000 Advanced Server managed domain. + struct GUID BirthDomainId; // 0x48: }; static_assert(sizeof(struct NTFS_DE_O) == 0x58); -#define NTFS_OBJECT_ENTRY_DATA_SIZE1 \ - 0x38 // struct NTFS_DE_O.BirthDomainId is not used -#define NTFS_OBJECT_ENTRY_DATA_SIZE2 \ - 0x48 // struct NTFS_DE_O.BirthDomainId is used - /* Q Directory entry structure ( rule = 0x11 ) */ struct NTFS_DE_Q { struct NTFS_DE de; __le32 owner_id; // 0x10: Unique Id assigned to file + + /* here is 0x30 bytes of user quota. NOTE: 4 byte aligned! */ __le32 Version; // 0x14: 0x02 - __le32 flags2; // 0x18: Quota flags, see above + __le32 Flags; // 0x18: Quota flags, see above __le64 BytesUsed; // 0x1C: __le64 ChangeTime; // 0x24: __le64 WarningLimit; // 0x28: @@ -888,9 +904,9 @@ struct NTFS_DE_Q { __le64 ExceededTime; // 0x3C: // SID is placed here -}; // sizeof() = 0x44 +}__packed; // sizeof() = 0x44 -#define SIZEOF_NTFS_DE_Q 0x44 +static_assert(sizeof(struct NTFS_DE_Q) == 0x44); #define SecurityDescriptorsBlockSize 0x40000 // 256K #define SecurityDescriptorMaxSize 0x20000 // 128K @@ -912,7 +928,7 @@ struct SECURITY_HDR { */ } __packed; -#define SIZEOF_SECURITY_HDR 0x14 +static_assert(sizeof(struct SECURITY_HDR) == 0x14); /* SII Directory entry structure */ struct NTFS_DE_SII { @@ -921,7 +937,8 @@ struct NTFS_DE_SII { struct SECURITY_HDR sec_hdr; // 0x14: } __packed; -#define SIZEOF_SII_DIRENTRY 0x28 +static_assert(offsetof(struct NTFS_DE_SII, sec_hdr) == 0x14); +static_assert(sizeof(struct NTFS_DE_SII) == 0x28); /* SDH Directory entry structure */ struct NTFS_DE_SDH { @@ -1155,7 +1172,7 @@ struct REPARSE_DATA_BUFFER { #define FILE_NEED_EA 0x80 // See ntifs.h /* - *FILE_NEED_EA, indicates that the file to which the EA belongs cannot be + * FILE_NEED_EA, indicates that the file to which the EA belongs cannot be * interpreted without understanding the associated extended attributes. */ struct EA_INFO { |