reactos/drivers/filesystems/udfs/Include/phys_lib.h

   1 ////////////////////////////////////////////////////////////////////
   2 // Copyright (C) Alexander Telyatnikov, Ivan Keliukh, Yegor Anchishkin, SKIF Software, 1999-2013. Kiev, Ukraine
   3 // All rights reserved
   4 // This file was released under the GPLv2 on June 2015.
   5 ////////////////////////////////////////////////////////////////////
   6
   7 #ifndef __UDF_PHYS_LIB__H__
   8 #define __UDF_PHYS_LIB__H__
   9
  10 #ifndef UDF_FORMAT_MEDIA
  11 extern BOOLEAN open_as_device;
  12 extern BOOLEAN opt_invalidate_volume;
  13 extern ULONG LockMode;
  14 #endif //UDF_FORMAT_MEDIA
  15
  16 extern NTSTATUS UDFSyncCache(
  17     IN PVCB Vcb
  18     );
  19
  20 OSSTATUS
  21 __fastcall
  22 UDFTIOVerify(
  23     IN void* _Vcb,
  24     IN void* Buffer,     // Target buffer
  25     IN uint32 Length,
  26     IN uint32 LBA,
  27     OUT uint32* IOBytes,
  28     IN uint32 Flags
  29     );
  30
  31 extern OSSTATUS
  32 UDFTWriteVerify(
  33     IN void* _Vcb,
  34     IN void* Buffer,     // Target buffer
  35     IN uint32 Length,
  36     IN uint32 LBA,
  37     OUT uint32* WrittenBytes,
  38     IN uint32 Flags
  39     );
  40
  41 extern OSSTATUS
  42 UDFTReadVerify(
  43     IN void* _Vcb,
  44     IN void* Buffer,     // Target buffer
  45     IN uint32 Length,
  46     IN uint32 LBA,
  47     OUT uint32* ReadBytes,
  48     IN uint32 Flags
  49     );
  50
  51 extern OSSTATUS UDFTRead(PVOID           _Vcb,
  52                          PVOID           Buffer,     // Target buffer
  53                          ULONG           Length,
  54                          ULONG           LBA,
  55                          PULONG          ReadBytes,
  56                          ULONG           Flags = 0);
  57
  58 extern OSSTATUS UDFTWrite(IN PVOID _Vcb,
  59                    IN PVOID Buffer,     // Target buffer
  60                    IN ULONG Length,
  61                    IN ULONG LBA,
  62                    OUT PULONG WrittenBytes,
  63                    IN ULONG Flags = 0);
  64
  65 #define PH_TMP_BUFFER          1
  66 #define PH_VCB_IN_RETLEN       2
  67 #define PH_LOCK_CACHE          0x10000000
  68
  69 #define PH_EX_WRITE            0x80000000
  70 #define PH_IO_LOCKED           0x20000000
  71
  72
  73 extern
  74 OSSTATUS
  75 UDFDoOPC(
  76     IN PVCB Vcb
  77     );
  78
  79 extern OSSTATUS UDFPrepareForWriteOperation(
  80     IN PVCB Vcb,
  81     IN ULONG Lba,
  82     IN ULONG BCount);
  83
  84 extern OSSTATUS UDFReadDiscTrackInfo(PDEVICE_OBJECT DeviceObject, // the target device object
  85                                      PVCB           Vcb);         // Volume Control Block for ^ DevObj
  86
  87 extern OSSTATUS UDFReadAndProcessFullToc(PDEVICE_OBJECT DeviceObject, // the target device object
  88                                          PVCB           Vcb);
  89
  90 extern OSSTATUS UDFUseStandard(PDEVICE_OBJECT DeviceObject, // the target device object
  91                                PVCB           Vcb);         // Volume control block fro this DevObj
  92
  93 extern OSSTATUS UDFGetBlockSize(PDEVICE_OBJECT DeviceObject, // the target device object
  94                                 PVCB           Vcb);         // Volume control block fro this DevObj
  95
  96 extern OSSTATUS UDFGetDiskInfo(IN PDEVICE_OBJECT DeviceObject, // the target device object
  97                                IN PVCB           Vcb);         // Volume control block from this DevObj
  98
  99 extern VOID     UDFEjectReqWaiter(IN PVOID Context);
 100
 101 extern VOID     UDFStopEjectWaiter(PVCB Vcb);
 102
 103 extern OSSTATUS UDFPrepareForReadOperation(IN PVCB Vcb,
 104                                            IN uint32 Lba,
 105                                            IN uint32 BCount
 106                                            );
 107 //#define UDFPrepareForReadOperation(a,b) (STATUS_SUCCESS)
 108
 109 extern VOID     UDFUpdateNWA(PVCB Vcb,
 110                              ULONG LBA,
 111                              ULONG BCount,
 112                              OSSTATUS RC);
 113
 114 extern OSSTATUS UDFDoDismountSequence(IN PVCB Vcb,
 115                                       IN PPREVENT_MEDIA_REMOVAL_USER_IN Buf,
 116                                       IN BOOLEAN Eject);
 117
 118 // read physical sectors
 119 /*OSSTATUS UDFReadSectors(IN PVCB Vcb,
 120                         IN BOOLEAN Translate,// Translate Logical to Physical
 121                         IN ULONG Lba,
 122                         IN ULONG BCount,
 123                         IN BOOLEAN Direct,
 124                         OUT PCHAR Buffer,
 125                         OUT PULONG ReadBytes);*/
 126 #define UDFReadSectors(Vcb, Translate, Lba, BCount, Direct, Buffer, ReadBytes)                 \
 127     (( WCacheIsInitialized__(&((Vcb)->FastCache)) && (KeGetCurrentIrql() < DISPATCH_LEVEL)) ?              \
 128         (WCacheReadBlocks__(&((Vcb)->FastCache), Vcb, Buffer, Lba, BCount, ReadBytes, Direct)) : \
 129         (UDFTRead(Vcb, Buffer, (BCount)<<((Vcb)->BlockSizeBits), Lba, ReadBytes, 0)))
 130
 131
 132 // read data inside physical sector
 133 extern OSSTATUS UDFReadInSector(IN PVCB Vcb,
 134                          IN BOOLEAN Translate,       // Translate Logical to Physical
 135                          IN ULONG Lba,
 136                          IN ULONG i,                 // offset in sector
 137                          IN ULONG l,                 // transfer length
 138                          IN BOOLEAN Direct,
 139                          OUT PCHAR Buffer,
 140                          OUT PULONG ReadBytes);
 141 // read unaligned data
 142 extern OSSTATUS UDFReadData(IN PVCB Vcb,
 143                      IN BOOLEAN Translate,   // Translate Logical to Physical
 144                      IN LONGLONG Offset,
 145                      IN ULONG Length,
 146                      IN BOOLEAN Direct,
 147                      OUT PCHAR Buffer,
 148                      OUT PULONG ReadBytes);
 149
 150 #ifndef UDF_READ_ONLY_BUILD
 151 // write physical sectors
 152 OSSTATUS UDFWriteSectors(IN PVCB Vcb,
 153                          IN BOOLEAN Translate,      // Translate Logical to Physical
 154                          IN ULONG Lba,
 155                          IN ULONG WBCount,
 156                          IN BOOLEAN Direct,         // setting this flag delays flushing of given
 157                                                     // data to indefinite term
 158                          IN PCHAR Buffer,
 159                          OUT PULONG WrittenBytes);
 160 // write directly to cached sector
 161 OSSTATUS UDFWriteInSector(IN PVCB Vcb,
 162                           IN BOOLEAN Translate,       // Translate Logical to Physical
 163                           IN ULONG Lba,
 164                           IN ULONG i,                 // offset in sector
 165                           IN ULONG l,                 // transfer length
 166                           IN BOOLEAN Direct,
 167                           OUT PCHAR Buffer,
 168                           OUT PULONG WrittenBytes);
 169 // write data at unaligned offset & length
 170 OSSTATUS UDFWriteData(IN PVCB Vcb,
 171                       IN BOOLEAN Translate,      // Translate Logical to Physical
 172                       IN LONGLONG Offset,
 173                       IN ULONG Length,
 174                       IN BOOLEAN Direct,         // setting this flag delays flushing of given
 175                                                  // data to indefinite term
 176                       IN PCHAR Buffer,
 177                       OUT PULONG WrittenBytes);
 178 #endif //UDF_READ_ONLY_BUILD
 179
 180 OSSTATUS UDFResetDeviceDriver(IN PVCB Vcb,
 181                               IN PDEVICE_OBJECT TargetDeviceObject,
 182                               IN BOOLEAN Unlock);
 183
 184
 185 #endif //__UDF_PHYS_LIB__H__