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