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 PVOID
  69 FatMapUserBuffer(
  70     IN OUT PIRP Irp);
  71
  72 /*  -----------------------------------------------------------  dir.c  */
  73
  74 NTSTATUS NTAPI
  75 FatDirectoryControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  76
  77 VOID NTAPI
  78 FatCreateRootDcb(IN PFAT_IRP_CONTEXT IrpContext,
  79                  IN PVCB Vcb);
  80
  81 /*  --------------------------------------------------------  create.c  */
  82
  83 NTSTATUS NTAPI
  84 FatCreate(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  85
  86
  87 /*  ---------------------------------------------------------  close.c  */
  88
  89 NTSTATUS NTAPI
  90 FatClose(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  91
  92 /*  -------------------------------------------------------  cleanup.c  */
  93
  94 NTSTATUS NTAPI
  95 FatCleanup(PDEVICE_OBJECT DeviceObject, PIRP Irp);
  96
  97 /*  ---------------------------------------------------------  fastio.c  */
  98
  99 VOID
 100 FatInitFastIoRoutines(PFAST_IO_DISPATCH FastIoDispatch);
 101
 102 BOOLEAN NTAPI
 103 FatAcquireForLazyWrite(IN PVOID Context,
 104                         IN BOOLEAN Wait);
 105
 106 VOID NTAPI
 107 FatReleaseFromLazyWrite(IN PVOID Context);
 108
 109 BOOLEAN NTAPI
 110 FatAcquireForReadAhead(IN PVOID Context,
 111                         IN BOOLEAN Wait);
 112
 113 VOID NTAPI
 114 FatReleaseFromReadAhead(IN PVOID Context);
 115
 116 BOOLEAN NTAPI
 117 FatNoopAcquire(IN PVOID Context,
 118                IN BOOLEAN Wait);
 119
 120 VOID NTAPI
 121 FatNoopRelease(IN PVOID Context);
 122
 123 /* ---------------------------------------------------------  fastfat.c */
 124
 125 PFAT_IRP_CONTEXT NTAPI
 126 FatBuildIrpContext(PIRP Irp, BOOLEAN CanWait);
 127
 128 VOID NTAPI
 129 FatDestroyIrpContext(PFAT_IRP_CONTEXT IrpContext);
 130
 131 VOID
 132 NTAPI
 133 FatQueueRequest(IN PFAT_IRP_CONTEXT IrpContext,
 134                 IN PFAT_OPERATION_HANDLER OperationHandler);
 135
 136 VOID NTAPI
 137 FatCompleteRequest(PFAT_IRP_CONTEXT IrpContext OPTIONAL,
 138                    PIRP Irp OPTIONAL,
 139                    NTSTATUS Status);
 140
 141 BOOLEAN NTAPI
 142 FatAcquireExclusiveVcb(IN PFAT_IRP_CONTEXT IrpContext,
 143                        IN PVCB Vcb);
 144
 145 VOID NTAPI
 146 FatReleaseVcb(IN PFAT_IRP_CONTEXT IrpContext,
 147               IN PVCB Vcb);
 148
 149 TYPE_OF_OPEN
 150 NTAPI
 151 FatDecodeFileObject(IN PFILE_OBJECT FileObject,
 152                     OUT PVCB *Vcb,
 153                     OUT PFCB *FcbOrDcb,
 154                     OUT PCCB *Ccb);
 155
 156 /* --------------------------------------------------------- fcb.c */
 157
 158 PFCB NTAPI
 159 FatFindFcb(PFAT_IRP_CONTEXT IrpContext,
 160            PRTL_SPLAY_LINKS *RootNode,
 161            PSTRING AnsiName,
 162            PBOOLEAN IsDosName);
 163
 164 /* --------------------------------------------------------- fullfat.c */
 165
 166 FF_T_SINT32
 167 FatWriteBlocks(FF_T_UINT8 *pBuffer, FF_T_UINT32 SectorAddress, FF_T_UINT32 Count, void *pParam);
 168
 169 FF_T_SINT32
 170 FatReadBlocks(FF_T_UINT8 *pBuffer, FF_T_UINT32 SectorAddress, FF_T_UINT32 Count, void *pParam);
 171
 172 /* ---------------------------------------------------------  lock.c */
 173
 174 NTSTATUS NTAPI
 175 FatLockControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 176
 177 /*  ---------------------------------------------------------  fsctl.c  */
 178
 179 NTSTATUS NTAPI
 180 FatFileSystemControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 181
 182 /*  ---------------------------------------------------------  finfo.c  */
 183
 184 NTSTATUS NTAPI FatQueryInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 185 NTSTATUS NTAPI FatSetInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 186
 187 /*  ---------------------------------------------------------  iface.c  */
 188
 189 NTSTATUS
 190 NTAPI
 191 DriverEntry(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath);
 192
 193 /*  -----------------------------------------------------------  fat.c  */
 194 PVOID
 195 FatPinPage(
 196     PFAT_PAGE_CONTEXT Context,
 197     LONGLONG ByteOffset);
 198
 199 PVOID
 200 FatPinNextPage(
 201     PFAT_PAGE_CONTEXT Context);
 202
 203 NTSTATUS
 204 FatInitializeVcb(
 205     IN PFAT_IRP_CONTEXT IrpContext,
 206     IN PVCB Vcb,
 207     IN PDEVICE_OBJECT TargetDeviceObject,
 208     IN PVPB Vpb);
 209
 210 VOID
 211 FatUninitializeVcb(
 212     IN PVCB Vcb);
 213
 214 ULONG
 215 FatScanFat(
 216     IN PFCB Fcb,
 217     IN LONGLONG Vbo, OUT PLONGLONG Lbo,
 218     IN OUT PLONGLONG Length,
 219     OUT PULONG Index,
 220     IN BOOLEAN CanWait);
 221
 222 /*  ------------------------------------------------------  device.c  */
 223
 224 NTSTATUS NTAPI
 225 FatDeviceControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 226
 227 NTSTATUS
 228 FatPerformDevIoCtrl(PDEVICE_OBJECT DeviceObject,
 229                     ULONG ControlCode,
 230                     PVOID InputBuffer,
 231                     ULONG InputBufferSize,
 232                     PVOID OutputBuffer,
 233                     ULONG OutputBufferSize,
 234                     BOOLEAN Override);
 235
 236 /*  ------------------------------------------------------  direntry.c  */
 237 VOID
 238 FatFindDirent(IN OUT PFAT_FIND_DIRENT_CONTEXT Context,
 239               OUT PDIR_ENTRY* Dirent,
 240               OUT PUNICODE_STRING LongFileName OPTIONAL);
 241
 242 VOID
 243 FatEnumerateDirents(IN OUT PFAT_ENUM_DIRENT_CONTEXT Context,
 244                     IN SIZE_T Offset);
 245
 246 VOID
 247 FatQueryFileTimes(OUT PLARGE_INTEGER FileTimes,
 248                   IN PDIR_ENTRY Dirent);
 249
 250 /*  -----------------------------------------------------------  fcb.c  */
 251 PFCB
 252 FatLookupFcbByName(
 253         IN PFCB ParentFcb,
 254         IN PUNICODE_STRING Name);
 255
 256 BOOLEAN
 257 FatLinkFcbNames(
 258         IN PFCB ParentFcb,
 259         IN PFCB Fcb);
 260
 261 VOID
 262 FatUnlinkFcbNames(
 263         IN PFCB ParentFcb,
 264         IN PFCB Fcb);
 265
 266 NTSTATUS
 267 FatCreateFcb(
 268     OUT PFCB* CreatedFcb,
 269     IN PFAT_IRP_CONTEXT IrpContext,
 270     IN PFCB ParentFcb,
 271         IN PDIR_ENTRY Dirent,
 272     IN PUNICODE_STRING FileName,
 273         IN PUNICODE_STRING LongFileName OPTIONAL);
 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 /*  ------------------------------------------------------------  rw.c  */
 283
 284 NTSTATUS NTAPI
 285 FatRead(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 286
 287 NTSTATUS NTAPI
 288 FatWrite(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 289
 290 /*  ------------------------------------------------------------- flush.c  */
 291
 292 NTSTATUS NTAPI
 293 FatFlushBuffers(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 294
 295
 296 /* EOF */