reactos/drivers/fs/cdfs/cdfs.h

   1 #ifndef CDFS_H
   2 #define CDFS_H
   3
   4 #include <ddk/ntifs.h>
   5
   6 #define CDFS_BASIC_SECTOR 2048
   7 #define CDFS_PRIMARY_DESCRIPTOR_LOCATION 16
   8 #define BLOCKSIZE CDFS_BASIC_SECTOR
   9 #define CDFS_MAX_NAME_LEN 256
  10
  11 struct _DIR_RECORD
  12 {
  13   UCHAR  RecordLength;                  // 1
  14   UCHAR  ExtAttrRecordLength;           // 2
  15   ULONG  ExtentLocationL;               // 3-6
  16   ULONG  ExtentLocationM;               // 7-10
  17   ULONG  DataLengthL;                   // 11-14
  18   ULONG  DataLengthM;                   // 15-18
  19   UCHAR  Year;                          // 19
  20   UCHAR  Month;                         // 20
  21   UCHAR  Day;                           // 21
  22   UCHAR  Hour;                          // 22
  23   UCHAR  Minute;                        // 23
  24   UCHAR  Second;                        // 24
  25   UCHAR  TimeZone;                      // 25
  26   UCHAR  FileFlags;                     // 26
  27   UCHAR  FileUnitSize;                  // 27
  28   UCHAR  InterleaveGapSize;             // 28
  29   ULONG  VolumeSequenceNumber;          // 29-32
  30   UCHAR  FileIdLength;                  // 33
  31   UCHAR  FileId[1];                     // 34
  32 } __attribute__((packed));
  33
  34 typedef struct _DIR_RECORD DIR_RECORD, PDIR_RECORD;
  35
  36
  37 /* Primary Volume Descriptor */
  38 struct _PVD
  39 {
  40   unsigned char  VdType;                // 1
  41   unsigned char  StandardId[5];         // 2-6
  42   unsigned char  VdVersion;             // 7
  43   unsigned char  unused0;               // 8
  44   unsigned char  SystemId[32];          // 9-40
  45   unsigned char  VolumeId[32];          // 41-72
  46   unsigned char  unused1[8];            // 73-80
  47   unsigned long  VolumeSpaceSizeL;      // 81-84
  48   unsigned long  VolumeSpaceSizeM;      // 85-88
  49   unsigned char  unused2[32];           // 89-120
  50   unsigned long  VolumeSetSize;         // 121-124
  51   unsigned long  VolumeSequenceNumber;  // 125-128
  52   unsigned long  LogicalBlockSize;      // 129-132
  53   unsigned long  PathTableSizeL;        // 133-136
  54   unsigned long  PathTableSizeM;        // 137-140
  55   ULONG LPathTablePos;                  // 141-144
  56   ULONG LOptPathTablePos;               // 145-148
  57   ULONG MPathTablePos;                  // 149-152
  58   ULONG MOptPathTablePos;               // 153-156
  59   DIR_RECORD RootDirRecord;             // 157-190
  60
  61   /* more data ... */
  62
  63 } __attribute__((packed));
  64
  65 typedef struct _PVD PVD, *PPVD;
  66
  67
  68
  69 typedef struct _FCB
  70 {
  71   REACTOS_COMMON_FCB_HEADER RFCB;
  72   SECTION_OBJECT_POINTERS SectionObjectPointers;
  73
  74   /* CDFS owned elements */
  75
  76   struct _FCB *next;
  77   struct _FCB *parent;
  78
  79   wchar_t name[CDFS_MAX_NAME_LEN];
  80   int hashval;
  81   unsigned int  extent_start;
  82   unsigned int  byte_count;
  83   unsigned int  file_pointer;
  84 } FsdFcbEntry, FCB, *PFCB;
  85
  86
  87 NTSTATUS
  88 CdfsReadSectors(IN PDEVICE_OBJECT DeviceObject,
  89                 IN ULONG DiskSector,
  90                 IN ULONG SectorCount,
  91                 IN OUT PUCHAR Buffer);
  92
  93 int CdfsStrcmpi( wchar_t *str1, wchar_t *str2 );
  94 void CdfsWstrcpy( wchar_t *str1, wchar_t *str2, int max );
  95
  96
  97 /*
  98    CDFS: FCB system (Perhaps there should be a library to make this easier)
  99 */
 100
 101 typedef struct _fcb_system
 102 {
 103   int fcbs_in_use;
 104   int fcb_table_size;
 105   int fcb_table_mask;
 106   FsdFcbEntry **fcb_table;
 107   FsdFcbEntry *parent;
 108 } fcb_system;
 109
 110
 111 PFCB
 112 FsdGetFcbEntry(fcb_system *fss,
 113                PFCB ParentFcb,
 114                PWSTR name);
 115
 116 #endif//CDFS_H