drivers/filesystems/fastfat_new/fastfat.h

   1 #include <ntifs.h>
   2 #include <bugcodes.h>
   3 #include <ntdddisk.h>
   4 #include <debug.h>
   5 #include <pseh/pseh2.h>
   6
   7 #include "fullfat.h"
   8
   9 #include <fat.h>
  10 #include <fatstruc.h>
  11
  12 #define Add2Ptr(P,I,T) ((T)((PUCHAR)(P) + (I)))
  13 #define PtrOffset(B,O) ((ULONG)((ULONG_PTR)(O) - (ULONG_PTR)(B)))
  14
  15 #define TAG_CCB  'BCCV'
  16 #define TAG_FCB  'BCFV'
  17 #define TAG_IRP  'PRIV'
  18 #define TAG_VFAT 'TAFV'
  19
  20
  21 /* Global resource acquire/release */
  22 #define FatAcquireExclusiveGlobal(IrpContext) \
  23 ( \
  24     ExAcquireResourceExclusiveLite(&FatGlobalData.Resource, \
  25                                    (IrpContext)->Flags & IRPCONTEXT_CANWAIT) \
  26 )
  27
  28 #define FatAcquireSharedGlobal(IrpContext) \
  29 ( \
  30     ExAcquireResourceSharedLite(&FatGlobalData.Resource, \
  31                                 (IrpContext)->Flags & IRPCONTEXT_CANWAIT) \
  32 )
  33
  34 #define FatReleaseGlobal(IrpContext) \
  35 { \
  36     ExReleaseResourceLite(&(FatGlobalData.Resource)); \
  37 }
  38
  39 NTSYSAPI
  40 NTSTATUS
  41 NTAPI
  42 RtlUpcaseUnicodeStringToCountedOemString(
  43     IN OUT POEM_STRING DestinationString,
  44     IN PCUNICODE_STRING SourceString,
  45     IN BOOLEAN AllocateDestinationString
  46 );
  47
  48
  49 /*  ------------------------------------------------------  shutdown.c  */
  50
  51 DRIVER_DISPATCH FatShutdown;
  52 NTSTATUS NTAPI
  53 FatShutdown(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  54
  55 /*  --------------------------------------------------------  volume.c  */
  56
  57 NTSTATUS NTAPI
  58 FatQueryVolumeInfo(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  59
  60 NTSTATUS NTAPI
  61 FatSetVolumeInfo(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  62
  63 VOID NTAPI
  64 FatReadStreamFile(PVCB Vcb,
  65                   ULONGLONG ByteOffset,
  66                   ULONG ByteSize,
  67                   PBCB *Bcb,
  68                   PVOID *Buffer);
  69
  70 /*  -----------------------------------------------------------  dir.c  */
  71
  72 NTSTATUS NTAPI
  73 FatDirectoryControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  74
  75 VOID NTAPI
  76 FatCreateRootDcb(IN PFAT_IRP_CONTEXT IrpContext,
  77                  IN PVCB Vcb);
  78
  79 PFCB NTAPI
  80 FatCreateDcb(IN PFAT_IRP_CONTEXT IrpContext,
  81              IN PVCB Vcb,
  82              IN PFCB ParentDcb,
  83              IN FF_FILE *FileHandle);
  84
  85 IO_STATUS_BLOCK NTAPI
  86 FatiOpenExistingDcb(IN PFAT_IRP_CONTEXT IrpContext,
  87                     IN PFILE_OBJECT FileObject,
  88                     IN PVCB Vcb,
  89                     IN PFCB Dcb,
  90                     IN PACCESS_MASK DesiredAccess,
  91                     IN USHORT ShareAccess,
  92                     IN ULONG CreateDisposition,
  93                     IN BOOLEAN NoEaKnowledge,
  94                     IN BOOLEAN DeleteOnClose);
  95
  96 /*  --------------------------------------------------------  create.c  */
  97
  98 IO_STATUS_BLOCK
  99 NTAPI
 100 FatiOverwriteFile(PFAT_IRP_CONTEXT IrpContext,
 101                   PFILE_OBJECT FileObject,
 102                   PFCB Fcb,
 103                   ULONG AllocationSize,
 104                   PFILE_FULL_EA_INFORMATION EaBuffer,
 105                   ULONG EaLength,
 106                   UCHAR FileAttributes,
 107                   ULONG CreateDisposition,
 108                   BOOLEAN NoEaKnowledge);
 109
 110 NTSTATUS NTAPI
 111 FatCreate(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 112
 113
 114 /*  ---------------------------------------------------------  close.c  */
 115
 116 NTSTATUS NTAPI
 117 FatClose(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 118
 119 /*  -------------------------------------------------------  cleanup.c  */
 120
 121 NTSTATUS NTAPI
 122 FatCleanup(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 123
 124 /*  ---------------------------------------------------------  fastio.c  */
 125
 126 VOID
 127 FatInitFastIoRoutines(PFAST_IO_DISPATCH FastIoDispatch);
 128
 129 BOOLEAN NTAPI
 130 FatAcquireForLazyWrite(IN PVOID Context,
 131                         IN BOOLEAN Wait);
 132
 133 VOID NTAPI
 134 FatReleaseFromLazyWrite(IN PVOID Context);
 135
 136 BOOLEAN NTAPI
 137 FatAcquireForReadAhead(IN PVOID Context,
 138                         IN BOOLEAN Wait);
 139
 140 VOID NTAPI
 141 FatReleaseFromReadAhead(IN PVOID Context);
 142
 143 BOOLEAN NTAPI
 144 FatNoopAcquire(IN PVOID Context,
 145                IN BOOLEAN Wait);
 146
 147 VOID NTAPI
 148 FatNoopRelease(IN PVOID Context);
 149
 150 /* ---------------------------------------------------------  fastfat.c */
 151
 152 PFAT_IRP_CONTEXT NTAPI
 153 FatBuildIrpContext(PIRP Irp, BOOLEAN CanWait);
 154
 155 VOID NTAPI
 156 FatDestroyIrpContext(PFAT_IRP_CONTEXT IrpContext);
 157
 158 VOID
 159 NTAPI
 160 FatQueueRequest(IN PFAT_IRP_CONTEXT IrpContext,
 161                 IN PFAT_OPERATION_HANDLER OperationHandler);
 162
 163 VOID NTAPI
 164 FatCompleteRequest(PFAT_IRP_CONTEXT IrpContext OPTIONAL,
 165                    PIRP Irp OPTIONAL,
 166                    NTSTATUS Status);
 167
 168 BOOLEAN NTAPI
 169 FatAcquireExclusiveVcb(IN PFAT_IRP_CONTEXT IrpContext,
 170                        IN PVCB Vcb);
 171
 172 BOOLEAN NTAPI
 173 FatAcquireSharedVcb(IN PFAT_IRP_CONTEXT IrpContext,
 174                     IN PVCB Vcb);
 175
 176 VOID NTAPI
 177 FatReleaseVcb(IN PFAT_IRP_CONTEXT IrpContext,
 178               IN PVCB Vcb);
 179
 180 BOOLEAN NTAPI
 181 FatAcquireExclusiveFcb(IN PFAT_IRP_CONTEXT IrpContext,
 182                        IN PFCB Fcb);
 183
 184 BOOLEAN NTAPI
 185 FatAcquireSharedFcb(IN PFAT_IRP_CONTEXT IrpContext,
 186                        IN PFCB Fcb);
 187
 188 VOID NTAPI
 189 FatReleaseFcb(IN PFAT_IRP_CONTEXT IrpContext,
 190               IN PFCB Fcb);
 191
 192 TYPE_OF_OPEN
 193 NTAPI
 194 FatDecodeFileObject(IN PFILE_OBJECT FileObject,
 195                     OUT PVCB *Vcb,
 196                     OUT PFCB *FcbOrDcb,
 197                     OUT PCCB *Ccb);
 198
 199 VOID NTAPI
 200 FatSetFileObject(PFILE_OBJECT FileObject,
 201                  TYPE_OF_OPEN TypeOfOpen,
 202                  PVOID Fcb,
 203                  PCCB Ccb);
 204
 205 PVOID FASTCALL
 206 FatMapUserBuffer(PIRP Irp);
 207
 208 /* --------------------------------------------------------- fullfat.c */
 209
 210 FF_T_SINT32
 211 FatWriteBlocks(FF_T_UINT8 *pBuffer, FF_T_UINT32 SectorAddress, FF_T_UINT32 Count, void *pParam);
 212
 213 FF_T_SINT32
 214 FatReadBlocks(FF_T_UINT8 *pBuffer, FF_T_UINT32 SectorAddress, FF_T_UINT32 Count, void *pParam);
 215
 216 VOID NTAPI
 217 FatQueryFileTimes(OUT PLARGE_INTEGER FileTimes,
 218                   IN PDIR_ENTRY Dirent);
 219
 220 /* ---------------------------------------------------------  lock.c */
 221
 222 NTSTATUS NTAPI
 223 FatLockControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 224
 225 VOID NTAPI
 226 FatOplockComplete(IN PVOID Context,
 227                   IN PIRP Irp);
 228
 229 VOID NTAPI
 230 FatPrePostIrp(IN PVOID Context,
 231               IN PIRP Irp);
 232
 233 /*  ---------------------------------------------------------  fsctl.c  */
 234
 235 NTSTATUS NTAPI
 236 FatFileSystemControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 237
 238 /*  ---------------------------------------------------------  finfo.c  */
 239
 240 NTSTATUS NTAPI FatQueryInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 241 NTSTATUS NTAPI FatSetInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 242
 243 /*  ---------------------------------------------------------  fullfat.c  */
 244
 245 FF_FILE *FF_OpenW(FF_IOMAN *pIoman, PUNICODE_STRING pathW, FF_T_UINT8 Mode, FF_ERROR *pError);
 246
 247 /*  ---------------------------------------------------------  iface.c  */
 248
 249 NTSTATUS
 250 NTAPI
 251 DriverEntry(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath);
 252
 253 /*  -----------------------------------------------------------  fat.c  */
 254 NTSTATUS NTAPI
 255 FatInitializeVcb(
 256     IN PFAT_IRP_CONTEXT IrpContext,
 257     IN PVCB Vcb,
 258     IN PDEVICE_OBJECT TargetDeviceObject,
 259     IN PVPB Vpb);
 260
 261 VOID NTAPI
 262 FatUninitializeVcb(
 263     IN PVCB Vcb);
 264
 265 /*  ------------------------------------------------------  device.c  */
 266
 267 NTSTATUS NTAPI
 268 FatDeviceControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 269
 270 NTSTATUS
 271 FatPerformDevIoCtrl(PDEVICE_OBJECT DeviceObject,
 272                     ULONG ControlCode,
 273                     PVOID InputBuffer,
 274                     ULONG InputBufferSize,
 275                     PVOID OutputBuffer,
 276                     ULONG OutputBufferSize,
 277                     BOOLEAN Override);
 278
 279 /*  -----------------------------------------------------------  fcb.c  */
 280 PFCB NTAPI
 281 FatCreateFcb(
 282     IN PFAT_IRP_CONTEXT IrpContext,
 283     IN PVCB Vcb,
 284     IN PFCB ParentDcb,
 285     IN FF_FILE *FileHandle);
 286
 287 IO_STATUS_BLOCK NTAPI
 288 FatiOpenExistingFcb(IN PFAT_IRP_CONTEXT IrpContext,
 289                     IN PFILE_OBJECT FileObject,
 290                     IN PVCB Vcb,
 291                     IN PFCB Fcb,
 292                     IN PACCESS_MASK DesiredAccess,
 293                     IN USHORT ShareAccess,
 294                     IN ULONG AllocationSize,
 295                     IN PFILE_FULL_EA_INFORMATION EaBuffer,
 296                     IN ULONG EaLength,
 297                     IN UCHAR FileAttributes,
 298                     IN ULONG CreateDisposition,
 299                     IN BOOLEAN NoEaKnowledge,
 300                     IN BOOLEAN DeleteOnClose,
 301                     IN BOOLEAN OpenedAsDos,
 302                     OUT PBOOLEAN OplockPostIrp);
 303
 304 PFCB NTAPI
 305 FatFindFcb(PFAT_IRP_CONTEXT IrpContext,
 306            PRTL_SPLAY_LINKS *RootNode,
 307            PSTRING AnsiName,
 308            PBOOLEAN IsDosName);
 309
 310 VOID NTAPI
 311 FatInsertName(IN PFAT_IRP_CONTEXT IrpContext,
 312               IN PRTL_SPLAY_LINKS *RootNode,
 313               IN PFCB_NAME_LINK Name);
 314
 315 VOID NTAPI
 316 FatRemoveNames(IN PFAT_IRP_CONTEXT IrpContext,
 317                IN PFCB Fcb);
 318
 319 PCCB NTAPI
 320 FatCreateCcb();
 321
 322 VOID NTAPI
 323 FatSetFullNameInFcb(PFCB Fcb,
 324                     PUNICODE_STRING Name);
 325
 326 VOID NTAPI
 327 FatSetFullFileNameInFcb(IN PFAT_IRP_CONTEXT IrpContext,
 328                         IN PFCB Fcb);
 329
 330 VOID NTAPI
 331 FatSetFcbNames(IN PFAT_IRP_CONTEXT IrpContext,
 332                IN PFCB Fcb);
 333
 334 VOID NTAPI
 335 Fati8dot3ToString(IN PCHAR FileName,
 336                   IN BOOLEAN DownCase,
 337                   OUT POEM_STRING OutString);
 338
 339 /*  ------------------------------------------------------------  rw.c  */
 340
 341 NTSTATUS NTAPI
 342 FatRead(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 343
 344 NTSTATUS NTAPI
 345 FatWrite(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 346
 347 /*  ------------------------------------------------------------- flush.c  */
 348
 349 NTSTATUS NTAPI
 350 FatFlushBuffers(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 351
 352
 353 /* EOF */