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