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 "fullfat.h"
   7
   8 #include <fat.h>
   9 #include <fatstruc.h>
  10
  11 #define Add2Ptr(P,I,T) ((T)((PUCHAR)(P) + (I)))
  12 #define PtrOffset(B,O) ((ULONG)((ULONG_PTR)(O) - (ULONG_PTR)(B)))
  13
  14 #define TAG_CCB  'BCCV'
  15 #define TAG_FCB  'BCFV'
  16 #define TAG_IRP  'PRIV'
  17 #define TAG_VFAT 'TAFV'
  18
  19
  20 /* Global resource acquire/release */
  21 #define FatAcquireExclusiveGlobal(IrpContext) \
  22 ( \
  23     ExAcquireResourceExclusiveLite(&FatGlobalData.Resource, \
  24                                    (IrpContext)->Flags & IRPCONTEXT_CANWAIT) \
  25 )
  26
  27 #define FatAcquireSharedGlobal(IrpContext) \
  28 ( \
  29     ExAcquireResourceSharedLite(&FatGlobalData.Resource, \
  30                                 (IrpContext)->Flags & IRPCONTEXT_CANWAIT) \
  31 )
  32
  33 #define FatReleaseGlobal(IrpContext) \
  34 { \
  35     ExReleaseResourceLite(&(FatGlobalData.Resource)); \
  36 }
  37
  38
  39 /*  ------------------------------------------------------  shutdown.c  */
  40
  41 DRIVER_DISPATCH FatShutdown;
  42 NTSTATUS NTAPI
  43 FatShutdown(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  44
  45 /*  --------------------------------------------------------  volume.c  */
  46
  47 NTSTATUS NTAPI
  48 FatQueryVolumeInfo(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  49
  50 NTSTATUS NTAPI
  51 FatSetVolumeInfo(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  52
  53 VOID NTAPI
  54 FatReadStreamFile(PVCB Vcb,
  55                   ULONGLONG ByteOffset,
  56                   ULONG ByteSize,
  57                   PBCB *Bcb,
  58                   PVOID *Buffer);
  59
  60 /*  ------------------------------------------------------  blockdev.c  */
  61 NTSTATUS
  62 NTAPI
  63 FatPerformLboIo(
  64     IN PFAT_IRP_CONTEXT IrpContext,
  65     IN PLARGE_INTEGER Offset,
  66     IN SIZE_T Length);
  67
  68 NTSTATUS
  69 FatPerformVirtualNonCachedIo(
  70     IN PFAT_IRP_CONTEXT IrpContext,
  71     IN PFCB Fcb,
  72     IN PLARGE_INTEGER Offset,
  73     IN SIZE_T Length);
  74
  75 /*  -----------------------------------------------------------  dir.c  */
  76
  77 NTSTATUS NTAPI
  78 FatDirectoryControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  79
  80 VOID NTAPI
  81 FatCreateRootDcb(IN PFAT_IRP_CONTEXT IrpContext,
  82                  IN PVCB Vcb);
  83
  84 PFCB NTAPI
  85 FatCreateDcb(IN PFAT_IRP_CONTEXT IrpContext,
  86              IN PVCB Vcb,
  87              IN PFCB ParentDcb,
  88              IN FF_FILE *FileHandle);
  89
  90 IO_STATUS_BLOCK NTAPI
  91 FatiOpenExistingDcb(IN PFAT_IRP_CONTEXT IrpContext,
  92                     IN PFILE_OBJECT FileObject,
  93                     IN PVCB Vcb,
  94                     IN PFCB Dcb,
  95                     IN PACCESS_MASK DesiredAccess,
  96                     IN USHORT ShareAccess,
  97                     IN ULONG CreateDisposition,
  98                     IN BOOLEAN NoEaKnowledge,
  99                     IN BOOLEAN DeleteOnClose);
 100
 101 /*  --------------------------------------------------------  create.c  */
 102
 103 NTSTATUS NTAPI
 104 FatCreate(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 105
 106
 107 /*  ---------------------------------------------------------  close.c  */
 108
 109 NTSTATUS NTAPI
 110 FatClose(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 111
 112 /*  -------------------------------------------------------  cleanup.c  */
 113
 114 NTSTATUS NTAPI
 115 FatCleanup(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 116
 117 /*  ---------------------------------------------------------  fastio.c  */
 118
 119 VOID
 120 FatInitFastIoRoutines(PFAST_IO_DISPATCH FastIoDispatch);
 121
 122 BOOLEAN NTAPI
 123 FatAcquireForLazyWrite(IN PVOID Context,
 124                         IN BOOLEAN Wait);
 125
 126 VOID NTAPI
 127 FatReleaseFromLazyWrite(IN PVOID Context);
 128
 129 BOOLEAN NTAPI
 130 FatAcquireForReadAhead(IN PVOID Context,
 131                         IN BOOLEAN Wait);
 132
 133 VOID NTAPI
 134 FatReleaseFromReadAhead(IN PVOID Context);
 135
 136 BOOLEAN NTAPI
 137 FatNoopAcquire(IN PVOID Context,
 138                IN BOOLEAN Wait);
 139
 140 VOID NTAPI
 141 FatNoopRelease(IN PVOID Context);
 142
 143 /* ---------------------------------------------------------  fastfat.c */
 144
 145 PFAT_IRP_CONTEXT NTAPI
 146 FatBuildIrpContext(PIRP Irp, BOOLEAN CanWait);
 147
 148 VOID NTAPI
 149 FatDestroyIrpContext(PFAT_IRP_CONTEXT IrpContext);
 150
 151 VOID
 152 NTAPI
 153 FatQueueRequest(IN PFAT_IRP_CONTEXT IrpContext,
 154                 IN PFAT_OPERATION_HANDLER OperationHandler);
 155
 156 VOID NTAPI
 157 FatCompleteRequest(PFAT_IRP_CONTEXT IrpContext OPTIONAL,
 158                    PIRP Irp OPTIONAL,
 159                    NTSTATUS Status);
 160
 161 BOOLEAN NTAPI
 162 FatAcquireExclusiveVcb(IN PFAT_IRP_CONTEXT IrpContext,
 163                        IN PVCB Vcb);
 164
 165 BOOLEAN NTAPI
 166 FatAcquireSharedVcb(IN PFAT_IRP_CONTEXT IrpContext,
 167                     IN PVCB Vcb);
 168
 169 VOID NTAPI
 170 FatReleaseVcb(IN PFAT_IRP_CONTEXT IrpContext,
 171               IN PVCB Vcb);
 172
 173 BOOLEAN NTAPI
 174 FatAcquireExclusiveFcb(IN PFAT_IRP_CONTEXT IrpContext,
 175                        IN PFCB Fcb);
 176
 177 BOOLEAN NTAPI
 178 FatAcquireSharedFcb(IN PFAT_IRP_CONTEXT IrpContext,
 179                        IN PFCB Fcb);
 180
 181 VOID NTAPI
 182 FatReleaseFcb(IN PFAT_IRP_CONTEXT IrpContext,
 183               IN PFCB Fcb);
 184
 185 TYPE_OF_OPEN
 186 NTAPI
 187 FatDecodeFileObject(IN PFILE_OBJECT FileObject,
 188                     OUT PVCB *Vcb,
 189                     OUT PFCB *FcbOrDcb,
 190                     OUT PCCB *Ccb);
 191
 192 VOID NTAPI
 193 FatSetFileObject(PFILE_OBJECT FileObject,
 194                  TYPE_OF_OPEN TypeOfOpen,
 195                  PVOID Fcb,
 196                  PCCB Ccb);
 197
 198 PVOID FASTCALL
 199 FatMapUserBuffer(PIRP Irp);
 200
 201 /* --------------------------------------------------------- fullfat.c */
 202
 203 FF_T_SINT32
 204 FatWriteBlocks(FF_T_UINT8 *pBuffer, FF_T_UINT32 SectorAddress, FF_T_UINT32 Count, void *pParam);
 205
 206 FF_T_SINT32
 207 FatReadBlocks(FF_T_UINT8 *pBuffer, FF_T_UINT32 SectorAddress, FF_T_UINT32 Count, void *pParam);
 208
 209 /* ---------------------------------------------------------  lock.c */
 210
 211 NTSTATUS NTAPI
 212 FatLockControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 213
 214 /*  ---------------------------------------------------------  fsctl.c  */
 215
 216 NTSTATUS NTAPI
 217 FatFileSystemControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 218
 219 /*  ---------------------------------------------------------  finfo.c  */
 220
 221 NTSTATUS NTAPI FatQueryInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 222 NTSTATUS NTAPI FatSetInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 223
 224 /*  ---------------------------------------------------------  iface.c  */
 225
 226 NTSTATUS
 227 NTAPI
 228 DriverEntry(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath);
 229
 230 /*  -----------------------------------------------------------  fat.c  */
 231 PVOID
 232 FatPinPage(
 233     PFAT_PAGE_CONTEXT Context,
 234     LONGLONG ByteOffset);
 235
 236 PVOID
 237 FatPinNextPage(
 238     PFAT_PAGE_CONTEXT Context);
 239
 240 NTSTATUS
 241 FatInitializeVcb(
 242     IN PFAT_IRP_CONTEXT IrpContext,
 243     IN PVCB Vcb,
 244     IN PDEVICE_OBJECT TargetDeviceObject,
 245     IN PVPB Vpb);
 246
 247 VOID
 248 FatUninitializeVcb(
 249     IN PVCB Vcb);
 250
 251 ULONG
 252 FatScanFat(
 253     IN PFCB Fcb,
 254     IN LONGLONG Vbo, OUT PLONGLONG Lbo,
 255     IN OUT PLONGLONG Length,
 256     OUT PULONG Index,
 257     IN BOOLEAN CanWait);
 258
 259 /*  ------------------------------------------------------  device.c  */
 260
 261 NTSTATUS NTAPI
 262 FatDeviceControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 263
 264 NTSTATUS
 265 FatPerformDevIoCtrl(PDEVICE_OBJECT DeviceObject,
 266                     ULONG ControlCode,
 267                     PVOID InputBuffer,
 268                     ULONG InputBufferSize,
 269                     PVOID OutputBuffer,
 270                     ULONG OutputBufferSize,
 271                     BOOLEAN Override);
 272
 273 /*  ------------------------------------------------------  direntry.c  */
 274 VOID
 275 FatFindDirent(IN OUT PFAT_FIND_DIRENT_CONTEXT Context,
 276               OUT PDIR_ENTRY* Dirent,
 277               OUT PUNICODE_STRING LongFileName OPTIONAL);
 278
 279 VOID
 280 FatEnumerateDirents(IN OUT PFAT_ENUM_DIRENT_CONTEXT Context,
 281                     IN SIZE_T Offset);
 282
 283 VOID
 284 FatQueryFileTimes(OUT PLARGE_INTEGER FileTimes,
 285                   IN PDIR_ENTRY Dirent);
 286
 287 /*  -----------------------------------------------------------  fcb.c  */
 288 PFCB
 289 FatLookupFcbByName(
 290         IN PFCB ParentFcb,
 291         IN PUNICODE_STRING Name);
 292
 293 BOOLEAN
 294 FatLinkFcbNames(
 295         IN PFCB ParentFcb,
 296         IN PFCB Fcb);
 297
 298 VOID
 299 FatUnlinkFcbNames(
 300         IN PFCB ParentFcb,
 301         IN PFCB Fcb);
 302
 303 PFCB NTAPI
 304 FatCreateFcb(
 305     IN PFAT_IRP_CONTEXT IrpContext,
 306     IN PVCB Vcb,
 307     IN PFCB ParentDcb,
 308     IN FF_FILE *FileHandle);
 309
 310 IO_STATUS_BLOCK NTAPI
 311 FatiOpenExistingFcb(IN PFAT_IRP_CONTEXT IrpContext,
 312                     IN PFILE_OBJECT FileObject,
 313                     IN PVCB Vcb,
 314                     IN PFCB Fcb,
 315                     IN PACCESS_MASK DesiredAccess,
 316                     IN USHORT ShareAccess,
 317                     IN ULONG AllocationSize,
 318                     IN PFILE_FULL_EA_INFORMATION EaBuffer,
 319                     IN ULONG EaLength,
 320                     IN UCHAR FileAttributes,
 321                     IN ULONG CreateDisposition,
 322                     IN BOOLEAN NoEaKnowledge,
 323                     IN BOOLEAN DeleteOnClose,
 324                     IN BOOLEAN OpenedAsDos,
 325                     OUT PBOOLEAN OplockPostIrp);
 326
 327 PFCB NTAPI
 328 FatFindFcb(PFAT_IRP_CONTEXT IrpContext,
 329            PRTL_SPLAY_LINKS *RootNode,
 330            PSTRING AnsiName,
 331            PBOOLEAN IsDosName);
 332
 333 VOID NTAPI
 334 FatInsertName(IN PFAT_IRP_CONTEXT IrpContext,
 335               IN PRTL_SPLAY_LINKS *RootNode,
 336               IN PFCB_NAME_LINK Name);
 337
 338 VOID NTAPI
 339 FatRemoveNames(IN PFAT_IRP_CONTEXT IrpContext,
 340                IN PFCB Fcb);
 341
 342 PCCB NTAPI
 343 FatCreateCcb();
 344
 345 VOID NTAPI
 346 FatSetFullNameInFcb(PFCB Fcb,
 347                     PUNICODE_STRING Name);
 348
 349 VOID NTAPI
 350 FatSetFullFileNameInFcb(IN PFAT_IRP_CONTEXT IrpContext,
 351                         IN PFCB Fcb);
 352
 353 VOID NTAPI
 354 FatSetFcbNames(IN PFAT_IRP_CONTEXT IrpContext,
 355                IN PFCB Fcb);
 356
 357 VOID NTAPI
 358 Fati8dot3ToString(IN PCHAR FileName,
 359                   IN BOOLEAN DownCase,
 360                   OUT POEM_STRING OutString);
 361
 362 /*  ------------------------------------------------------------  rw.c  */
 363
 364 NTSTATUS NTAPI
 365 FatRead(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 366
 367 NTSTATUS NTAPI
 368 FatWrite(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 369
 370 /*  ------------------------------------------------------------- flush.c  */
 371
 372 NTSTATUS NTAPI
 373 FatFlushBuffers(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 374
 375
 376 /* EOF */