reactos/drivers/filesystems/fastfat_new/fastfat.h

   1 #include <ntifs.h>
   2 #include <ntdddisk.h>
   3 #include <debug.h>
   4 #include <pseh/pseh2.h>
   5
   6 #include <fat.h>
   7 #include <fatstruc.h>
   8
   9 #define Add2Ptr(P,I,T) ((T)((PUCHAR)(P) + (I)))
  10 #define PtrOffset(B,O) ((ULONG)((ULONG_PTR)(O) - (ULONG_PTR)(B)))
  11
  12 #define TAG_CCB  'BCCV'
  13 #define TAG_FCB  'BCFV'
  14 #define TAG_IRP  'PRIV'
  15 #define TAG_VFAT 'TAFV'
  16
  17
  18 /* Global resource acquire/release */
  19 #define FatAcquireExclusiveGlobal(IrpContext) \
  20 ( \
  21     ExAcquireResourceExclusiveLite(&FatGlobalData.Resource, \
  22                                    (IrpContext)->Flags & IRPCONTEXT_CANWAIT) \
  23 )
  24
  25 #define FatAcquireSharedGlobal(IrpContext) \
  26 ( \
  27     ExAcquireResourceSharedLite(&FatGlobalData.Resource, \
  28                                 (IrpContext)->Flags & IRPCONTEXT_CANWAIT) \
  29 )
  30
  31 #define FatReleaseGlobal(IrpContext) \
  32 { \
  33     ExReleaseResourceLite(&(FatGlobalData.Resource)); \
  34 }
  35
  36
  37 /*  ------------------------------------------------------  shutdown.c  */
  38
  39 DRIVER_DISPATCH FatShutdown;
  40 NTSTATUS NTAPI
  41 FatShutdown(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  42
  43 /*  --------------------------------------------------------  volume.c  */
  44
  45 NTSTATUS NTAPI
  46 FatQueryVolumeInfo(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  47
  48 NTSTATUS NTAPI
  49 FatSetVolumeInfo(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  50
  51 /*  ------------------------------------------------------  blockdev.c  */
  52 NTSTATUS
  53 NTAPI
  54 FatPerformLboIo(
  55     IN PFAT_IRP_CONTEXT IrpContext,
  56     IN PLARGE_INTEGER Offset,
  57     IN SIZE_T Length);
  58
  59 NTSTATUS
  60 FatPerformVirtualNonCachedIo(
  61     IN PFAT_IRP_CONTEXT IrpContext,
  62     IN PFCB Fcb,
  63     IN PLARGE_INTEGER Offset,
  64     IN SIZE_T Length);
  65
  66 PVOID
  67 FatMapUserBuffer(
  68     IN OUT PIRP Irp);
  69
  70 /*  -----------------------------------------------------------  dir.c  */
  71
  72 NTSTATUS NTAPI
  73 FatDirectoryControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  74
  75 /*  --------------------------------------------------------  create.c  */
  76
  77 NTSTATUS NTAPI
  78 FatCreate(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  79
  80
  81 /*  ---------------------------------------------------------  close.c  */
  82
  83 NTSTATUS NTAPI
  84 FatClose(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  85
  86 /*  -------------------------------------------------------  cleanup.c  */
  87
  88 NTSTATUS NTAPI
  89 FatCleanup(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  90
  91 /*  ---------------------------------------------------------  fastio.c  */
  92
  93 VOID
  94 FatInitFastIoRoutines(PFAST_IO_DISPATCH FastIoDispatch);
  95
  96 BOOLEAN NTAPI
  97 FatAcquireForLazyWrite(IN PVOID Context,
  98                         IN BOOLEAN Wait);
  99
 100 VOID NTAPI
 101 FatReleaseFromLazyWrite(IN PVOID Context);
 102
 103 BOOLEAN NTAPI
 104 FatAcquireForReadAhead(IN PVOID Context,
 105                         IN BOOLEAN Wait);
 106
 107 VOID NTAPI
 108 FatReleaseFromReadAhead(IN PVOID Context);
 109
 110 BOOLEAN NTAPI
 111 FatNoopAcquire(IN PVOID Context,
 112                IN BOOLEAN Wait);
 113
 114 VOID NTAPI
 115 FatNoopRelease(IN PVOID Context);
 116
 117 /* ---------------------------------------------------------  fastfat.c */
 118
 119 PFAT_IRP_CONTEXT NTAPI
 120 FatBuildIrpContext(PIRP Irp, BOOLEAN CanWait);
 121
 122 VOID NTAPI
 123 FatDestroyIrpContext(PFAT_IRP_CONTEXT IrpContext);
 124
 125 VOID
 126 NTAPI
 127 FatQueueRequest(IN PFAT_IRP_CONTEXT IrpContext,
 128                 IN PFAT_OPERATION_HANDLER OperationHandler);
 129
 130 VOID NTAPI
 131 FatCompleteRequest(PFAT_IRP_CONTEXT IrpContext OPTIONAL,
 132                    PIRP Irp OPTIONAL,
 133                    NTSTATUS Status);
 134
 135
 136 /* ---------------------------------------------------------  lock.c */
 137
 138 NTSTATUS NTAPI
 139 FatLockControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 140
 141 /*  ---------------------------------------------------------  fsctl.c  */
 142
 143 NTSTATUS NTAPI
 144 FatFileSystemControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 145
 146 /*  ---------------------------------------------------------  finfo.c  */
 147
 148 NTSTATUS NTAPI FatQueryInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 149 NTSTATUS NTAPI FatSetInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 150
 151 /*  ---------------------------------------------------------  iface.c  */
 152
 153 NTSTATUS
 154 NTAPI
 155 DriverEntry(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath);
 156
 157 /*  -----------------------------------------------------------  fat.c  */
 158 PVOID
 159 FatPinPage(
 160     PFAT_PAGE_CONTEXT Context,
 161     LONGLONG ByteOffset);
 162
 163 PVOID
 164 FatPinNextPage(
 165     PFAT_PAGE_CONTEXT Context);
 166
 167 NTSTATUS
 168 FatInitializeVcb(
 169     IN PFAT_IRP_CONTEXT IrpContext,
 170     IN PVCB Vcb,
 171     IN PDEVICE_OBJECT TargetDeviceObject,
 172     IN PVPB Vpb);
 173
 174 VOID
 175 FatUninitializeVcb(
 176     IN PVCB Vcb);
 177
 178 ULONG
 179 FatScanFat(
 180     IN PFCB Fcb,
 181     IN LONGLONG Vbo, OUT PLONGLONG Lbo,
 182     IN OUT PLONGLONG Length,
 183     OUT PULONG Index,
 184     IN BOOLEAN CanWait);
 185
 186 /*  ------------------------------------------------------  device.c  */
 187
 188 NTSTATUS NTAPI
 189 FatDeviceControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 190
 191 NTSTATUS
 192 FatPerformDevIoCtrl(PDEVICE_OBJECT DeviceObject,
 193                     ULONG ControlCode,
 194                     PVOID InputBuffer,
 195                     ULONG InputBufferSize,
 196                     PVOID OutputBuffer,
 197                     ULONG OutputBufferSize,
 198                     BOOLEAN Override);
 199
 200 /*  ------------------------------------------------------  direntry.c  */
 201 VOID
 202 FatFindDirent(IN OUT PFAT_FIND_DIRENT_CONTEXT Context,
 203               OUT PDIR_ENTRY* Dirent,
 204               OUT PUNICODE_STRING LongFileName OPTIONAL);
 205
 206 VOID
 207 FatEnumerateDirents(IN OUT PFAT_ENUM_DIRENT_CONTEXT Context,
 208                     IN SIZE_T Offset);
 209
 210 VOID
 211 FatQueryFileTimes(OUT PLARGE_INTEGER FileTimes,
 212                   IN PDIR_ENTRY Dirent);
 213
 214 /*  -----------------------------------------------------------  fcb.c  */
 215 PFCB
 216 FatLookupFcbByName(
 217         IN PFCB ParentFcb,
 218         IN PUNICODE_STRING Name);
 219
 220 BOOLEAN
 221 FatLinkFcbNames(
 222         IN PFCB ParentFcb,
 223         IN PFCB Fcb);
 224
 225 VOID
 226 FatUnlinkFcbNames(
 227         IN PFCB ParentFcb,
 228         IN PFCB Fcb);
 229
 230 NTSTATUS
 231 FatCreateFcb(
 232     OUT PFCB* CreatedFcb,
 233     IN PFAT_IRP_CONTEXT IrpContext,
 234     IN PFCB ParentFcb,
 235         IN PDIR_ENTRY Dirent,
 236     IN PUNICODE_STRING FileName,
 237         IN PUNICODE_STRING LongFileName OPTIONAL);
 238
 239 NTSTATUS
 240 FatOpenFcb(
 241     OUT PFCB* Fcb,
 242     IN PFAT_IRP_CONTEXT IrpContext,
 243     IN PFCB ParentFcb,
 244     IN PUNICODE_STRING FileName);
 245
 246 /*  ------------------------------------------------------------  rw.c  */
 247
 248 NTSTATUS NTAPI
 249 FatRead(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 250
 251 NTSTATUS NTAPI
 252 FatWrite(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 253
 254 /*  ------------------------------------------------------------- flush.c  */
 255
 256 NTSTATUS NTAPI
 257 FatFlushBuffers(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 258
 259
 260 /* EOF */