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
  89 /*  --------------------------------------------------------  create.c  */
  90
  91 NTSTATUS NTAPI
  92 FatCreate(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  93
  94
  95 /*  ---------------------------------------------------------  close.c  */
  96
  97 NTSTATUS NTAPI
  98 FatClose(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  99
 100 /*  -------------------------------------------------------  cleanup.c  */
 101
 102 NTSTATUS NTAPI
 103 FatCleanup(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 104
 105 /*  ---------------------------------------------------------  fastio.c  */
 106
 107 VOID
 108 FatInitFastIoRoutines(PFAST_IO_DISPATCH FastIoDispatch);
 109
 110 BOOLEAN NTAPI
 111 FatAcquireForLazyWrite(IN PVOID Context,
 112                         IN BOOLEAN Wait);
 113
 114 VOID NTAPI
 115 FatReleaseFromLazyWrite(IN PVOID Context);
 116
 117 BOOLEAN NTAPI
 118 FatAcquireForReadAhead(IN PVOID Context,
 119                         IN BOOLEAN Wait);
 120
 121 VOID NTAPI
 122 FatReleaseFromReadAhead(IN PVOID Context);
 123
 124 BOOLEAN NTAPI
 125 FatNoopAcquire(IN PVOID Context,
 126                IN BOOLEAN Wait);
 127
 128 VOID NTAPI
 129 FatNoopRelease(IN PVOID Context);
 130
 131 /* ---------------------------------------------------------  fastfat.c */
 132
 133 PFAT_IRP_CONTEXT NTAPI
 134 FatBuildIrpContext(PIRP Irp, BOOLEAN CanWait);
 135
 136 VOID NTAPI
 137 FatDestroyIrpContext(PFAT_IRP_CONTEXT IrpContext);
 138
 139 VOID
 140 NTAPI
 141 FatQueueRequest(IN PFAT_IRP_CONTEXT IrpContext,
 142                 IN PFAT_OPERATION_HANDLER OperationHandler);
 143
 144 VOID NTAPI
 145 FatCompleteRequest(PFAT_IRP_CONTEXT IrpContext OPTIONAL,
 146                    PIRP Irp OPTIONAL,
 147                    NTSTATUS Status);
 148
 149 BOOLEAN NTAPI
 150 FatAcquireExclusiveVcb(IN PFAT_IRP_CONTEXT IrpContext,
 151                        IN PVCB Vcb);
 152
 153 BOOLEAN NTAPI
 154 FatAcquireSharedVcb(IN PFAT_IRP_CONTEXT IrpContext,
 155                     IN PVCB Vcb);
 156
 157 VOID NTAPI
 158 FatReleaseVcb(IN PFAT_IRP_CONTEXT IrpContext,
 159               IN PVCB Vcb);
 160
 161 BOOLEAN NTAPI
 162 FatAcquireExclusiveFcb(IN PFAT_IRP_CONTEXT IrpContext,
 163                        IN PFCB Fcb);
 164
 165 BOOLEAN NTAPI
 166 FatAcquireSharedFcb(IN PFAT_IRP_CONTEXT IrpContext,
 167                        IN PFCB Fcb);
 168
 169 VOID NTAPI
 170 FatReleaseFcb(IN PFAT_IRP_CONTEXT IrpContext,
 171               IN PFCB Fcb);
 172
 173 TYPE_OF_OPEN
 174 NTAPI
 175 FatDecodeFileObject(IN PFILE_OBJECT FileObject,
 176                     OUT PVCB *Vcb,
 177                     OUT PFCB *FcbOrDcb,
 178                     OUT PCCB *Ccb);
 179
 180 VOID NTAPI
 181 FatSetFileObject(PFILE_OBJECT FileObject,
 182                  TYPE_OF_OPEN TypeOfOpen,
 183                  PVOID Fcb,
 184                  PCCB Ccb);
 185
 186 PVOID FASTCALL
 187 FatMapUserBuffer(PIRP Irp);
 188
 189 /* --------------------------------------------------------- fullfat.c */
 190
 191 FF_T_SINT32
 192 FatWriteBlocks(FF_T_UINT8 *pBuffer, FF_T_UINT32 SectorAddress, FF_T_UINT32 Count, void *pParam);
 193
 194 FF_T_SINT32
 195 FatReadBlocks(FF_T_UINT8 *pBuffer, FF_T_UINT32 SectorAddress, FF_T_UINT32 Count, void *pParam);
 196
 197 /* ---------------------------------------------------------  lock.c */
 198
 199 NTSTATUS NTAPI
 200 FatLockControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 201
 202 /*  ---------------------------------------------------------  fsctl.c  */
 203
 204 NTSTATUS NTAPI
 205 FatFileSystemControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 206
 207 /*  ---------------------------------------------------------  finfo.c  */
 208
 209 NTSTATUS NTAPI FatQueryInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 210 NTSTATUS NTAPI FatSetInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 211
 212 /*  ---------------------------------------------------------  iface.c  */
 213
 214 NTSTATUS
 215 NTAPI
 216 DriverEntry(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath);
 217
 218 /*  -----------------------------------------------------------  fat.c  */
 219 PVOID
 220 FatPinPage(
 221     PFAT_PAGE_CONTEXT Context,
 222     LONGLONG ByteOffset);
 223
 224 PVOID
 225 FatPinNextPage(
 226     PFAT_PAGE_CONTEXT Context);
 227
 228 NTSTATUS
 229 FatInitializeVcb(
 230     IN PFAT_IRP_CONTEXT IrpContext,
 231     IN PVCB Vcb,
 232     IN PDEVICE_OBJECT TargetDeviceObject,
 233     IN PVPB Vpb);
 234
 235 VOID
 236 FatUninitializeVcb(
 237     IN PVCB Vcb);
 238
 239 ULONG
 240 FatScanFat(
 241     IN PFCB Fcb,
 242     IN LONGLONG Vbo, OUT PLONGLONG Lbo,
 243     IN OUT PLONGLONG Length,
 244     OUT PULONG Index,
 245     IN BOOLEAN CanWait);
 246
 247 /*  ------------------------------------------------------  device.c  */
 248
 249 NTSTATUS NTAPI
 250 FatDeviceControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 251
 252 NTSTATUS
 253 FatPerformDevIoCtrl(PDEVICE_OBJECT DeviceObject,
 254                     ULONG ControlCode,
 255                     PVOID InputBuffer,
 256                     ULONG InputBufferSize,
 257                     PVOID OutputBuffer,
 258                     ULONG OutputBufferSize,
 259                     BOOLEAN Override);
 260
 261 /*  ------------------------------------------------------  direntry.c  */
 262 VOID
 263 FatFindDirent(IN OUT PFAT_FIND_DIRENT_CONTEXT Context,
 264               OUT PDIR_ENTRY* Dirent,
 265               OUT PUNICODE_STRING LongFileName OPTIONAL);
 266
 267 VOID
 268 FatEnumerateDirents(IN OUT PFAT_ENUM_DIRENT_CONTEXT Context,
 269                     IN SIZE_T Offset);
 270
 271 VOID
 272 FatQueryFileTimes(OUT PLARGE_INTEGER FileTimes,
 273                   IN PDIR_ENTRY Dirent);
 274
 275 /*  -----------------------------------------------------------  fcb.c  */
 276 PFCB
 277 FatLookupFcbByName(
 278         IN PFCB ParentFcb,
 279         IN PUNICODE_STRING Name);
 280
 281 BOOLEAN
 282 FatLinkFcbNames(
 283         IN PFCB ParentFcb,
 284         IN PFCB Fcb);
 285
 286 VOID
 287 FatUnlinkFcbNames(
 288         IN PFCB ParentFcb,
 289         IN PFCB Fcb);
 290
 291 PFCB NTAPI
 292 FatCreateFcb(
 293     IN PFAT_IRP_CONTEXT IrpContext,
 294     IN PVCB Vcb,
 295     IN PFCB ParentDcb,
 296     IN FF_FILE *FileHandle);
 297
 298 PFCB NTAPI
 299 FatFindFcb(PFAT_IRP_CONTEXT IrpContext,
 300            PRTL_SPLAY_LINKS *RootNode,
 301            PSTRING AnsiName,
 302            PBOOLEAN IsDosName);
 303
 304 VOID NTAPI
 305 FatInsertName(IN PFAT_IRP_CONTEXT IrpContext,
 306               IN PRTL_SPLAY_LINKS *RootNode,
 307               IN PFCB_NAME_LINK Name);
 308
 309 VOID NTAPI
 310 FatRemoveNames(IN PFAT_IRP_CONTEXT IrpContext,
 311                IN PFCB Fcb);
 312
 313 PCCB NTAPI
 314 FatCreateCcb();
 315
 316 VOID NTAPI
 317 FatSetFullNameInFcb(PFCB Fcb,
 318                     PUNICODE_STRING Name);
 319
 320 VOID NTAPI
 321 FatSetFullFileNameInFcb(IN PFAT_IRP_CONTEXT IrpContext,
 322                         IN PFCB Fcb);
 323
 324 VOID NTAPI
 325 FatSetFcbNames(IN PFAT_IRP_CONTEXT IrpContext,
 326                IN PFCB Fcb);
 327
 328 VOID NTAPI
 329 Fati8dot3ToString(IN PCHAR FileName,
 330                   IN BOOLEAN DownCase,
 331                   OUT POEM_STRING OutString);
 332
 333 /*  ------------------------------------------------------------  rw.c  */
 334
 335 NTSTATUS NTAPI
 336 FatRead(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 337
 338 NTSTATUS NTAPI
 339 FatWrite(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 340
 341 /*  ------------------------------------------------------------- flush.c  */
 342
 343 NTSTATUS NTAPI
 344 FatFlushBuffers(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 345
 346
 347 /* EOF */