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 VOID NTAPI
 147 FatReleaseVcb(IN PFAT_IRP_CONTEXT IrpContext,
 148               IN PVCB Vcb);
 149
 150 TYPE_OF_OPEN
 151 NTAPI
 152 FatDecodeFileObject(IN PFILE_OBJECT FileObject,
 153                     OUT PVCB *Vcb,
 154                     OUT PFCB *FcbOrDcb,
 155                     OUT PCCB *Ccb);
 156
 157 VOID NTAPI
 158 FatSetFileObject(PFILE_OBJECT FileObject,
 159                  TYPE_OF_OPEN TypeOfOpen,
 160                  PVOID Fcb,
 161                  PCCB Ccb);
 162
 163 PVOID FASTCALL
 164 FatMapUserBuffer(PIRP Irp);
 165
 166 /* --------------------------------------------------------- fullfat.c */
 167
 168 FF_T_SINT32
 169 FatWriteBlocks(FF_T_UINT8 *pBuffer, FF_T_UINT32 SectorAddress, FF_T_UINT32 Count, void *pParam);
 170
 171 FF_T_SINT32
 172 FatReadBlocks(FF_T_UINT8 *pBuffer, FF_T_UINT32 SectorAddress, FF_T_UINT32 Count, void *pParam);
 173
 174 /* ---------------------------------------------------------  lock.c */
 175
 176 NTSTATUS NTAPI
 177 FatLockControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 178
 179 /*  ---------------------------------------------------------  fsctl.c  */
 180
 181 NTSTATUS NTAPI
 182 FatFileSystemControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 183
 184 /*  ---------------------------------------------------------  finfo.c  */
 185
 186 NTSTATUS NTAPI FatQueryInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 187 NTSTATUS NTAPI FatSetInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 188
 189 /*  ---------------------------------------------------------  iface.c  */
 190
 191 NTSTATUS
 192 NTAPI
 193 DriverEntry(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath);
 194
 195 /*  -----------------------------------------------------------  fat.c  */
 196 PVOID
 197 FatPinPage(
 198     PFAT_PAGE_CONTEXT Context,
 199     LONGLONG ByteOffset);
 200
 201 PVOID
 202 FatPinNextPage(
 203     PFAT_PAGE_CONTEXT Context);
 204
 205 NTSTATUS
 206 FatInitializeVcb(
 207     IN PFAT_IRP_CONTEXT IrpContext,
 208     IN PVCB Vcb,
 209     IN PDEVICE_OBJECT TargetDeviceObject,
 210     IN PVPB Vpb);
 211
 212 VOID
 213 FatUninitializeVcb(
 214     IN PVCB Vcb);
 215
 216 ULONG
 217 FatScanFat(
 218     IN PFCB Fcb,
 219     IN LONGLONG Vbo, OUT PLONGLONG Lbo,
 220     IN OUT PLONGLONG Length,
 221     OUT PULONG Index,
 222     IN BOOLEAN CanWait);
 223
 224 /*  ------------------------------------------------------  device.c  */
 225
 226 NTSTATUS NTAPI
 227 FatDeviceControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 228
 229 NTSTATUS
 230 FatPerformDevIoCtrl(PDEVICE_OBJECT DeviceObject,
 231                     ULONG ControlCode,
 232                     PVOID InputBuffer,
 233                     ULONG InputBufferSize,
 234                     PVOID OutputBuffer,
 235                     ULONG OutputBufferSize,
 236                     BOOLEAN Override);
 237
 238 /*  ------------------------------------------------------  direntry.c  */
 239 VOID
 240 FatFindDirent(IN OUT PFAT_FIND_DIRENT_CONTEXT Context,
 241               OUT PDIR_ENTRY* Dirent,
 242               OUT PUNICODE_STRING LongFileName OPTIONAL);
 243
 244 VOID
 245 FatEnumerateDirents(IN OUT PFAT_ENUM_DIRENT_CONTEXT Context,
 246                     IN SIZE_T Offset);
 247
 248 VOID
 249 FatQueryFileTimes(OUT PLARGE_INTEGER FileTimes,
 250                   IN PDIR_ENTRY Dirent);
 251
 252 /*  -----------------------------------------------------------  fcb.c  */
 253 PFCB
 254 FatLookupFcbByName(
 255         IN PFCB ParentFcb,
 256         IN PUNICODE_STRING Name);
 257
 258 BOOLEAN
 259 FatLinkFcbNames(
 260         IN PFCB ParentFcb,
 261         IN PFCB Fcb);
 262
 263 VOID
 264 FatUnlinkFcbNames(
 265         IN PFCB ParentFcb,
 266         IN PFCB Fcb);
 267
 268 PFCB NTAPI
 269 FatCreateFcb(
 270     IN PFAT_IRP_CONTEXT IrpContext,
 271     IN PVCB Vcb,
 272     IN PFCB ParentDcb,
 273     IN FF_FILE *FileHandle);
 274
 275 NTSTATUS
 276 FatOpenFcb(
 277     OUT PFCB* Fcb,
 278     IN PFAT_IRP_CONTEXT IrpContext,
 279     IN PFCB ParentFcb,
 280     IN PUNICODE_STRING FileName);
 281
 282 PFCB NTAPI
 283 FatFindFcb(PFAT_IRP_CONTEXT IrpContext,
 284            PRTL_SPLAY_LINKS *RootNode,
 285            PSTRING AnsiName,
 286            PBOOLEAN IsDosName);
 287
 288 PCCB NTAPI
 289 FatCreateCcb();
 290
 291 VOID NTAPI
 292 FatSetFullNameInFcb(PFCB Fcb,
 293                     PUNICODE_STRING Name);
 294
 295 /*  ------------------------------------------------------------  rw.c  */
 296
 297 NTSTATUS NTAPI
 298 FatRead(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 299
 300 NTSTATUS NTAPI
 301 FatWrite(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 302
 303 /*  ------------------------------------------------------------- flush.c  */
 304
 305 NTSTATUS NTAPI
 306 FatFlushBuffers(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 307
 308
 309 /* EOF */