4 #include <pseh/pseh2.h>
11 #define Add2Ptr(P,I,T) ((T)((PUCHAR)(P) + (I)))
12 #define PtrOffset(B,O) ((ULONG)((ULONG_PTR)(O) - (ULONG_PTR)(B)))
14 #define TAG_CCB 'BCCV'
15 #define TAG_FCB 'BCFV'
16 #define TAG_IRP 'PRIV'
17 #define TAG_VFAT 'TAFV'
20 /* Global resource acquire/release */
21 #define FatAcquireExclusiveGlobal(IrpContext) \
23 ExAcquireResourceExclusiveLite(&FatGlobalData.Resource, \
24 (IrpContext)->Flags & IRPCONTEXT_CANWAIT) \
27 #define FatAcquireSharedGlobal(IrpContext) \
29 ExAcquireResourceSharedLite(&FatGlobalData.Resource, \
30 (IrpContext)->Flags & IRPCONTEXT_CANWAIT) \
33 #define FatReleaseGlobal(IrpContext) \
35 ExReleaseResourceLite(&(FatGlobalData.Resource)); \
39 /* ------------------------------------------------------ shutdown.c */
41 DRIVER_DISPATCH FatShutdown
;
43 FatShutdown(PDEVICE_OBJECT DeviceObject
, PIRP Irp
);
45 /* -------------------------------------------------------- volume.c */
48 FatQueryVolumeInfo(PDEVICE_OBJECT DeviceObject
, PIRP Irp
);
51 FatSetVolumeInfo(PDEVICE_OBJECT DeviceObject
, PIRP Irp
);
53 /* ------------------------------------------------------ blockdev.c */
57 IN PFAT_IRP_CONTEXT IrpContext
,
58 IN PLARGE_INTEGER Offset
,
62 FatPerformVirtualNonCachedIo(
63 IN PFAT_IRP_CONTEXT IrpContext
,
65 IN PLARGE_INTEGER Offset
,
68 /* ----------------------------------------------------------- dir.c */
71 FatDirectoryControl(PDEVICE_OBJECT DeviceObject
, PIRP Irp
);
74 FatCreateRootDcb(IN PFAT_IRP_CONTEXT IrpContext
,
78 FatCreateDcb(IN PFAT_IRP_CONTEXT IrpContext
,
82 /* -------------------------------------------------------- create.c */
85 FatCreate(PDEVICE_OBJECT DeviceObject
, PIRP Irp
);
88 /* --------------------------------------------------------- close.c */
91 FatClose(PDEVICE_OBJECT DeviceObject
, PIRP Irp
);
93 /* ------------------------------------------------------- cleanup.c */
96 FatCleanup(PDEVICE_OBJECT DeviceObject
, PIRP Irp
);
98 /* --------------------------------------------------------- fastio.c */
101 FatInitFastIoRoutines(PFAST_IO_DISPATCH FastIoDispatch
);
104 FatAcquireForLazyWrite(IN PVOID Context
,
108 FatReleaseFromLazyWrite(IN PVOID Context
);
111 FatAcquireForReadAhead(IN PVOID Context
,
115 FatReleaseFromReadAhead(IN PVOID Context
);
118 FatNoopAcquire(IN PVOID Context
,
122 FatNoopRelease(IN PVOID Context
);
124 /* --------------------------------------------------------- fastfat.c */
126 PFAT_IRP_CONTEXT NTAPI
127 FatBuildIrpContext(PIRP Irp
, BOOLEAN CanWait
);
130 FatDestroyIrpContext(PFAT_IRP_CONTEXT IrpContext
);
134 FatQueueRequest(IN PFAT_IRP_CONTEXT IrpContext
,
135 IN PFAT_OPERATION_HANDLER OperationHandler
);
138 FatCompleteRequest(PFAT_IRP_CONTEXT IrpContext OPTIONAL
,
143 FatAcquireExclusiveVcb(IN PFAT_IRP_CONTEXT IrpContext
,
147 FatAcquireSharedVcb(IN PFAT_IRP_CONTEXT IrpContext
,
151 FatReleaseVcb(IN PFAT_IRP_CONTEXT IrpContext
,
155 FatAcquireExclusiveFcb(IN PFAT_IRP_CONTEXT IrpContext
,
159 FatAcquireSharedFcb(IN PFAT_IRP_CONTEXT IrpContext
,
163 FatReleaseFcb(IN PFAT_IRP_CONTEXT IrpContext
,
168 FatDecodeFileObject(IN PFILE_OBJECT FileObject
,
174 FatSetFileObject(PFILE_OBJECT FileObject
,
175 TYPE_OF_OPEN TypeOfOpen
,
180 FatMapUserBuffer(PIRP Irp
);
182 /* --------------------------------------------------------- fullfat.c */
185 FatWriteBlocks(FF_T_UINT8
*pBuffer
, FF_T_UINT32 SectorAddress
, FF_T_UINT32 Count
, void *pParam
);
188 FatReadBlocks(FF_T_UINT8
*pBuffer
, FF_T_UINT32 SectorAddress
, FF_T_UINT32 Count
, void *pParam
);
190 /* --------------------------------------------------------- lock.c */
193 FatLockControl(PDEVICE_OBJECT DeviceObject
, PIRP Irp
);
195 /* --------------------------------------------------------- fsctl.c */
198 FatFileSystemControl(PDEVICE_OBJECT DeviceObject
, PIRP Irp
);
200 /* --------------------------------------------------------- finfo.c */
202 NTSTATUS NTAPI
FatQueryInformation(PDEVICE_OBJECT DeviceObject
, PIRP Irp
);
203 NTSTATUS NTAPI
FatSetInformation(PDEVICE_OBJECT DeviceObject
, PIRP Irp
);
205 /* --------------------------------------------------------- iface.c */
209 DriverEntry(PDRIVER_OBJECT DriverObject
, PUNICODE_STRING RegistryPath
);
211 /* ----------------------------------------------------------- fat.c */
214 PFAT_PAGE_CONTEXT Context
,
215 LONGLONG ByteOffset
);
219 PFAT_PAGE_CONTEXT Context
);
223 IN PFAT_IRP_CONTEXT IrpContext
,
225 IN PDEVICE_OBJECT TargetDeviceObject
,
235 IN LONGLONG Vbo
, OUT PLONGLONG Lbo
,
236 IN OUT PLONGLONG Length
,
240 /* ------------------------------------------------------ device.c */
243 FatDeviceControl(PDEVICE_OBJECT DeviceObject
, PIRP Irp
);
246 FatPerformDevIoCtrl(PDEVICE_OBJECT DeviceObject
,
249 ULONG InputBufferSize
,
251 ULONG OutputBufferSize
,
254 /* ------------------------------------------------------ direntry.c */
256 FatFindDirent(IN OUT PFAT_FIND_DIRENT_CONTEXT Context
,
257 OUT PDIR_ENTRY
* Dirent
,
258 OUT PUNICODE_STRING LongFileName OPTIONAL
);
261 FatEnumerateDirents(IN OUT PFAT_ENUM_DIRENT_CONTEXT Context
,
265 FatQueryFileTimes(OUT PLARGE_INTEGER FileTimes
,
266 IN PDIR_ENTRY Dirent
);
268 /* ----------------------------------------------------------- fcb.c */
272 IN PUNICODE_STRING Name
);
286 IN PFAT_IRP_CONTEXT IrpContext
,
289 IN FF_FILE
*FileHandle
);
292 FatFindFcb(PFAT_IRP_CONTEXT IrpContext
,
293 PRTL_SPLAY_LINKS
*RootNode
,
298 FatInsertName(IN PFAT_IRP_CONTEXT IrpContext
,
299 IN PRTL_SPLAY_LINKS
*RootNode
,
300 IN PFCB_NAME_LINK Name
);
303 FatRemoveNames(IN PFAT_IRP_CONTEXT IrpContext
,
310 FatSetFullNameInFcb(PFCB Fcb
,
311 PUNICODE_STRING Name
);
314 FatSetFullFileNameInFcb(IN PFAT_IRP_CONTEXT IrpContext
,
318 FatSetFcbNames(IN PFAT_IRP_CONTEXT IrpContext
,
322 Fati8dot3ToString(IN PCHAR FileName
,
324 OUT POEM_STRING OutString
);
326 /* ------------------------------------------------------------ rw.c */
329 FatRead(PDEVICE_OBJECT DeviceObject
, PIRP Irp
);
332 FatWrite(PDEVICE_OBJECT DeviceObject
, PIRP Irp
);
334 /* ------------------------------------------------------------- flush.c */
337 FatFlushBuffers(PDEVICE_OBJECT DeviceObject
, PIRP Irp
);