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 /*  ------------------------------------------------------  blockdev.c  */
  54 NTSTATUS
  55 NTAPI
  56 FatPerformLboIo(
  57     IN PFAT_IRP_CONTEXT IrpContext,
  58     IN PLARGE_INTEGER Offset,
  59     IN SIZE_T Length);
  60
  61 NTSTATUS
  62 FatPerformVirtualNonCachedIo(
  63     IN PFAT_IRP_CONTEXT IrpContext,
  64     IN PFCB Fcb,
  65     IN PLARGE_INTEGER Offset,
  66     IN SIZE_T Length);
  67
  68 /*  -----------------------------------------------------------  dir.c  */
  69
  70 NTSTATUS NTAPI
  71 FatDirectoryControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  72
  73 VOID NTAPI
  74 FatCreateRootDcb(IN PFAT_IRP_CONTEXT IrpContext,
  75                  IN PVCB Vcb);
  76
  77 PFCB NTAPI
  78 FatCreateDcb(IN PFAT_IRP_CONTEXT IrpContext,
  79              IN PVCB Vcb,
  80              IN PFCB ParentDcb);
  81
  82 /*  --------------------------------------------------------  create.c  */
  83
  84 NTSTATUS NTAPI
  85 FatCreate(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  86
  87
  88 /*  ---------------------------------------------------------  close.c  */
  89
  90 NTSTATUS NTAPI
  91 FatClose(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  92
  93 /*  -------------------------------------------------------  cleanup.c  */
  94
  95 NTSTATUS NTAPI
  96 FatCleanup(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  97
  98 /*  ---------------------------------------------------------  fastio.c  */
  99
 100 VOID
 101 FatInitFastIoRoutines(PFAST_IO_DISPATCH FastIoDispatch);
 102
 103 BOOLEAN NTAPI
 104 FatAcquireForLazyWrite(IN PVOID Context,
 105                         IN BOOLEAN Wait);
 106
 107 VOID NTAPI
 108 FatReleaseFromLazyWrite(IN PVOID Context);
 109
 110 BOOLEAN NTAPI
 111 FatAcquireForReadAhead(IN PVOID Context,
 112                         IN BOOLEAN Wait);
 113
 114 VOID NTAPI
 115 FatReleaseFromReadAhead(IN PVOID Context);
 116
 117 BOOLEAN NTAPI
 118 FatNoopAcquire(IN PVOID Context,
 119                IN BOOLEAN Wait);
 120
 121 VOID NTAPI
 122 FatNoopRelease(IN PVOID Context);
 123
 124 /* ---------------------------------------------------------  fastfat.c */
 125
 126 PFAT_IRP_CONTEXT NTAPI
 127 FatBuildIrpContext(PIRP Irp, BOOLEAN CanWait);
 128
 129 VOID NTAPI
 130 FatDestroyIrpContext(PFAT_IRP_CONTEXT IrpContext);
 131
 132 VOID
 133 NTAPI
 134 FatQueueRequest(IN PFAT_IRP_CONTEXT IrpContext,
 135                 IN PFAT_OPERATION_HANDLER OperationHandler);
 136
 137 VOID NTAPI
 138 FatCompleteRequest(PFAT_IRP_CONTEXT IrpContext OPTIONAL,
 139                    PIRP Irp OPTIONAL,
 140                    NTSTATUS Status);
 141
 142 BOOLEAN NTAPI
 143 FatAcquireExclusiveVcb(IN PFAT_IRP_CONTEXT IrpContext,
 144                        IN PVCB Vcb);
 145
 146 BOOLEAN NTAPI
 147 FatAcquireSharedVcb(IN PFAT_IRP_CONTEXT IrpContext,
 148                     IN PVCB Vcb);
 149
 150 VOID NTAPI
 151 FatReleaseVcb(IN PFAT_IRP_CONTEXT IrpContext,
 152               IN PVCB Vcb);
 153
 154 BOOLEAN NTAPI
 155 FatAcquireExclusiveFcb(IN PFAT_IRP_CONTEXT IrpContext,
 156                        IN PFCB Fcb);
 157
 158 BOOLEAN NTAPI
 159 FatAcquireSharedFcb(IN PFAT_IRP_CONTEXT IrpContext,
 160                        IN PFCB Fcb);
 161
 162 VOID NTAPI
 163 FatReleaseFcb(IN PFAT_IRP_CONTEXT IrpContext,
 164               IN PFCB Fcb);
 165
 166 TYPE_OF_OPEN
 167 NTAPI
 168 FatDecodeFileObject(IN PFILE_OBJECT FileObject,
 169                     OUT PVCB *Vcb,
 170                     OUT PFCB *FcbOrDcb,
 171                     OUT PCCB *Ccb);
 172
 173 VOID NTAPI
 174 FatSetFileObject(PFILE_OBJECT FileObject,
 175                  TYPE_OF_OPEN TypeOfOpen,
 176                  PVOID Fcb,
 177                  PCCB Ccb);
 178
 179 PVOID FASTCALL
 180 FatMapUserBuffer(PIRP Irp);
 181
 182 /* --------------------------------------------------------- fullfat.c */
 183
 184 FF_T_SINT32
 185 FatWriteBlocks(FF_T_UINT8 *pBuffer, FF_T_UINT32 SectorAddress, FF_T_UINT32 Count, void *pParam);
 186
 187 FF_T_SINT32
 188 FatReadBlocks(FF_T_UINT8 *pBuffer, FF_T_UINT32 SectorAddress, FF_T_UINT32 Count, void *pParam);
 189
 190 /* ---------------------------------------------------------  lock.c */
 191
 192 NTSTATUS NTAPI
 193 FatLockControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 194
 195 /*  ---------------------------------------------------------  fsctl.c  */
 196
 197 NTSTATUS NTAPI
 198 FatFileSystemControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 199
 200 /*  ---------------------------------------------------------  finfo.c  */
 201
 202 NTSTATUS NTAPI FatQueryInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 203 NTSTATUS NTAPI FatSetInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 204
 205 /*  ---------------------------------------------------------  iface.c  */
 206
 207 NTSTATUS
 208 NTAPI
 209 DriverEntry(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath);
 210
 211 /*  -----------------------------------------------------------  fat.c  */
 212 PVOID
 213 FatPinPage(
 214     PFAT_PAGE_CONTEXT Context,
 215     LONGLONG ByteOffset);
 216
 217 PVOID
 218 FatPinNextPage(
 219     PFAT_PAGE_CONTEXT Context);
 220
 221 NTSTATUS
 222 FatInitializeVcb(
 223     IN PFAT_IRP_CONTEXT IrpContext,
 224     IN PVCB Vcb,
 225     IN PDEVICE_OBJECT TargetDeviceObject,
 226     IN PVPB Vpb);
 227
 228 VOID
 229 FatUninitializeVcb(
 230     IN PVCB Vcb);
 231
 232 ULONG
 233 FatScanFat(
 234     IN PFCB Fcb,
 235     IN LONGLONG Vbo, OUT PLONGLONG Lbo,
 236     IN OUT PLONGLONG Length,
 237     OUT PULONG Index,
 238     IN BOOLEAN CanWait);
 239
 240 /*  ------------------------------------------------------  device.c  */
 241
 242 NTSTATUS NTAPI
 243 FatDeviceControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 244
 245 NTSTATUS
 246 FatPerformDevIoCtrl(PDEVICE_OBJECT DeviceObject,
 247                     ULONG ControlCode,
 248                     PVOID InputBuffer,
 249                     ULONG InputBufferSize,
 250                     PVOID OutputBuffer,
 251                     ULONG OutputBufferSize,
 252                     BOOLEAN Override);
 253
 254 /*  ------------------------------------------------------  direntry.c  */
 255 VOID
 256 FatFindDirent(IN OUT PFAT_FIND_DIRENT_CONTEXT Context,
 257               OUT PDIR_ENTRY* Dirent,
 258               OUT PUNICODE_STRING LongFileName OPTIONAL);
 259
 260 VOID
 261 FatEnumerateDirents(IN OUT PFAT_ENUM_DIRENT_CONTEXT Context,
 262                     IN SIZE_T Offset);
 263
 264 VOID
 265 FatQueryFileTimes(OUT PLARGE_INTEGER FileTimes,
 266                   IN PDIR_ENTRY Dirent);
 267
 268 /*  -----------------------------------------------------------  fcb.c  */
 269 PFCB
 270 FatLookupFcbByName(
 271         IN PFCB ParentFcb,
 272         IN PUNICODE_STRING Name);
 273
 274 BOOLEAN
 275 FatLinkFcbNames(
 276         IN PFCB ParentFcb,
 277         IN PFCB Fcb);
 278
 279 VOID
 280 FatUnlinkFcbNames(
 281         IN PFCB ParentFcb,
 282         IN PFCB Fcb);
 283
 284 PFCB NTAPI
 285 FatCreateFcb(
 286     IN PFAT_IRP_CONTEXT IrpContext,
 287     IN PVCB Vcb,
 288     IN PFCB ParentDcb,
 289     IN FF_FILE *FileHandle);
 290
 291 PFCB NTAPI
 292 FatFindFcb(PFAT_IRP_CONTEXT IrpContext,
 293            PRTL_SPLAY_LINKS *RootNode,
 294            PSTRING AnsiName,
 295            PBOOLEAN IsDosName);
 296
 297 VOID NTAPI
 298 FatInsertName(IN PFAT_IRP_CONTEXT IrpContext,
 299               IN PRTL_SPLAY_LINKS *RootNode,
 300               IN PFCB_NAME_LINK Name);
 301
 302 VOID NTAPI
 303 FatRemoveNames(IN PFAT_IRP_CONTEXT IrpContext,
 304                IN PFCB Fcb);
 305
 306 PCCB NTAPI
 307 FatCreateCcb();
 308
 309 VOID NTAPI
 310 FatSetFullNameInFcb(PFCB Fcb,
 311                     PUNICODE_STRING Name);
 312
 313 VOID NTAPI
 314 FatSetFullFileNameInFcb(IN PFAT_IRP_CONTEXT IrpContext,
 315                         IN PFCB Fcb);
 316
 317 VOID NTAPI
 318 FatSetFcbNames(IN PFAT_IRP_CONTEXT IrpContext,
 319                IN PFCB Fcb);
 320
 321 VOID NTAPI
 322 Fati8dot3ToString(IN PCHAR FileName,
 323                   IN BOOLEAN DownCase,
 324                   OUT POEM_STRING OutString);
 325
 326 /*  ------------------------------------------------------------  rw.c  */
 327
 328 NTSTATUS NTAPI
 329 FatRead(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 330
 331 NTSTATUS NTAPI
 332 FatWrite(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 333
 334 /*  ------------------------------------------------------------- flush.c  */
 335
 336 NTSTATUS NTAPI
 337 FatFlushBuffers(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 338
 339
 340 /* EOF */