mirror of
https://github.com/reactos/reactos.git
synced 2024-07-31 00:28:56 +00:00
409 lines
12 KiB
C
409 lines
12 KiB
C
#include <ntifs.h>
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#include <bugcodes.h>
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#include <ntdddisk.h>
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#include <debug.h>
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#include <pseh/pseh2.h>
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#include "fullfat.h"
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#include <fat.h>
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#include <fatstruc.h>
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#define Add2Ptr(P,I,T) ((T)((PUCHAR)(P) + (I)))
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#define PtrOffset(B,O) ((ULONG)((ULONG_PTR)(O) - (ULONG_PTR)(B)))
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#define TAG_CCB 'BCCV'
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#define TAG_FCB 'BCFV'
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#define TAG_IRP 'PRIV'
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#define TAG_VFAT 'TAFV'
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#define TAG_FSD_CLOSE_CONTEXT 'CLCV'
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/* Global resource acquire/release */
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#define FatAcquireExclusiveGlobal(IrpContext) \
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( \
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ExAcquireResourceExclusiveLite(&FatGlobalData.Resource, \
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(IrpContext)->Flags & IRPCONTEXT_CANWAIT) \
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)
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#define FatAcquireSharedGlobal(IrpContext) \
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( \
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ExAcquireResourceSharedLite(&FatGlobalData.Resource, \
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(IrpContext)->Flags & IRPCONTEXT_CANWAIT) \
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)
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#define FatReleaseGlobal(IrpContext) \
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{ \
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ExReleaseResourceLite(&(FatGlobalData.Resource)); \
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}
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#define FatIsFastIoPossible(FCB) ((BOOLEAN) \
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(((FCB)->Condition != FcbGood || !FsRtlOplockIsFastIoPossible(&(FCB)->Fcb.Oplock)) ? \
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FastIoIsNotPossible \
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: \
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(!FsRtlAreThereCurrentFileLocks(&(FCB)->Fcb.Lock) && \
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((FCB)->OutstandingAsyncWrites == 0) && \
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!FlagOn((FCB)->Vcb->State, VCB_STATE_FLAG_WRITE_PROTECTED) ? \
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FastIoIsPossible \
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: \
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FastIoIsQuestionable \
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) \
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) \
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)
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#define IsFileObjectReadOnly(FO) (!((FO)->WriteAccess | (FO)->DeleteAccess))
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#define IsFileDeleted(FCB) (FlagOn((FCB)->State, FCB_STATE_DELETE_ON_CLOSE) && ((FCB)->UncleanCount == 0))
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BOOLEAN
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FORCEINLINE
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FatIsIoRangeValid(IN LARGE_INTEGER Start, IN ULONG Length)
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{
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/* Check if it's more than 32bits, or if the length causes 32bit overflow.
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FAT-specific! */
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return !(Start.HighPart || Start.LowPart + Length < Start.LowPart);
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}
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NTSYSAPI
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NTSTATUS
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NTAPI
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RtlUpcaseUnicodeStringToCountedOemString(
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IN OUT POEM_STRING DestinationString,
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IN PCUNICODE_STRING SourceString,
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IN BOOLEAN AllocateDestinationString
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);
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/* ------------------------------------------------------ shutdown.c */
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DRIVER_DISPATCH FatShutdown;
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NTSTATUS NTAPI
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FatShutdown(PDEVICE_OBJECT DeviceObject, PIRP Irp);
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/* -------------------------------------------------------- volume.c */
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NTSTATUS NTAPI
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FatQueryVolumeInfo(PDEVICE_OBJECT DeviceObject, PIRP Irp);
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NTSTATUS NTAPI
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FatSetVolumeInfo(PDEVICE_OBJECT DeviceObject, PIRP Irp);
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VOID NTAPI
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FatReadStreamFile(PVCB Vcb,
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ULONGLONG ByteOffset,
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ULONG ByteSize,
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PBCB *Bcb,
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PVOID *Buffer);
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BOOLEAN
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NTAPI
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FatCheckForDismount(IN PFAT_IRP_CONTEXT IrpContext,
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PVCB Vcb,
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IN BOOLEAN Force);
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/* ----------------------------------------------------------- dir.c */
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NTSTATUS NTAPI
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FatDirectoryControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
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VOID NTAPI
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FatCreateRootDcb(IN PFAT_IRP_CONTEXT IrpContext,
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IN PVCB Vcb);
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PFCB NTAPI
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FatCreateDcb(IN PFAT_IRP_CONTEXT IrpContext,
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IN PVCB Vcb,
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IN PFCB ParentDcb,
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IN FF_FILE *FileHandle);
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IO_STATUS_BLOCK NTAPI
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FatiOpenExistingDcb(IN PFAT_IRP_CONTEXT IrpContext,
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IN PFILE_OBJECT FileObject,
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IN PVCB Vcb,
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IN PFCB Dcb,
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IN PACCESS_MASK DesiredAccess,
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IN USHORT ShareAccess,
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IN ULONG CreateDisposition,
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IN BOOLEAN NoEaKnowledge,
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IN BOOLEAN DeleteOnClose);
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/* -------------------------------------------------------- create.c */
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IO_STATUS_BLOCK
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NTAPI
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FatiOverwriteFile(PFAT_IRP_CONTEXT IrpContext,
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PFILE_OBJECT FileObject,
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PFCB Fcb,
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ULONG AllocationSize,
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PFILE_FULL_EA_INFORMATION EaBuffer,
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ULONG EaLength,
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UCHAR FileAttributes,
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ULONG CreateDisposition,
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BOOLEAN NoEaKnowledge);
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NTSTATUS NTAPI
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FatCreate(PDEVICE_OBJECT DeviceObject, PIRP Irp);
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/* --------------------------------------------------------- close.c */
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NTSTATUS NTAPI
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FatClose(PDEVICE_OBJECT DeviceObject, PIRP Irp);
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/* ------------------------------------------------------- cleanup.c */
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NTSTATUS NTAPI
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FatCleanup(PDEVICE_OBJECT DeviceObject, PIRP Irp);
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/* --------------------------------------------------------- fastio.c */
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VOID
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FatInitFastIoRoutines(PFAST_IO_DISPATCH FastIoDispatch);
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BOOLEAN NTAPI
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FatAcquireForLazyWrite(IN PVOID Context,
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IN BOOLEAN Wait);
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VOID NTAPI
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FatReleaseFromLazyWrite(IN PVOID Context);
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BOOLEAN NTAPI
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FatAcquireForReadAhead(IN PVOID Context,
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IN BOOLEAN Wait);
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VOID NTAPI
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FatReleaseFromReadAhead(IN PVOID Context);
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BOOLEAN NTAPI
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FatNoopAcquire(IN PVOID Context,
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IN BOOLEAN Wait);
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VOID NTAPI
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FatNoopRelease(IN PVOID Context);
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/* --------------------------------------------------------- fastfat.c */
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extern FAST_MUTEX FatCloseQueueMutex;
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PFAT_IRP_CONTEXT NTAPI
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FatBuildIrpContext(PIRP Irp, BOOLEAN CanWait);
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VOID NTAPI
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FatDestroyIrpContext(PFAT_IRP_CONTEXT IrpContext);
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VOID
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NTAPI
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FatQueueRequest(IN PFAT_IRP_CONTEXT IrpContext,
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IN PFAT_OPERATION_HANDLER OperationHandler);
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VOID NTAPI
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FatCompleteRequest(PFAT_IRP_CONTEXT IrpContext OPTIONAL,
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PIRP Irp OPTIONAL,
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NTSTATUS Status);
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BOOLEAN NTAPI
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FatAcquireExclusiveVcb(IN PFAT_IRP_CONTEXT IrpContext,
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IN PVCB Vcb);
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BOOLEAN NTAPI
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FatAcquireSharedVcb(IN PFAT_IRP_CONTEXT IrpContext,
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IN PVCB Vcb);
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VOID NTAPI
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FatReleaseVcb(IN PFAT_IRP_CONTEXT IrpContext,
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IN PVCB Vcb);
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BOOLEAN NTAPI
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FatAcquireExclusiveFcb(IN PFAT_IRP_CONTEXT IrpContext,
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IN PFCB Fcb);
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BOOLEAN NTAPI
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FatAcquireSharedFcb(IN PFAT_IRP_CONTEXT IrpContext,
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IN PFCB Fcb);
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VOID NTAPI
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FatReleaseFcb(IN PFAT_IRP_CONTEXT IrpContext,
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IN PFCB Fcb);
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TYPE_OF_OPEN
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NTAPI
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FatDecodeFileObject(IN PFILE_OBJECT FileObject,
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OUT PVCB *Vcb,
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OUT PFCB *FcbOrDcb,
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OUT PCCB *Ccb);
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VOID NTAPI
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FatSetFileObject(PFILE_OBJECT FileObject,
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TYPE_OF_OPEN TypeOfOpen,
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PVOID Fcb,
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PCCB Ccb);
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PVOID FASTCALL
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FatMapUserBuffer(PIRP Irp);
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BOOLEAN NTAPI
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FatIsTopLevelIrp(IN PIRP Irp);
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VOID NTAPI
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FatNotifyReportChange(IN PFAT_IRP_CONTEXT IrpContext,
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IN PVCB Vcb,
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IN PFCB Fcb,
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IN ULONG Filter,
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IN ULONG Action);
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/* --------------------------------------------------------- fullfat.c */
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FF_T_SINT32
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FatWriteBlocks(FF_T_UINT8 *pBuffer, FF_T_UINT32 SectorAddress, FF_T_UINT32 Count, void *pParam);
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FF_T_SINT32
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FatReadBlocks(FF_T_UINT8 *pBuffer, FF_T_UINT32 SectorAddress, FF_T_UINT32 Count, void *pParam);
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VOID NTAPI
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FatQueryFileTimes(OUT PLARGE_INTEGER FileTimes,
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IN PDIR_ENTRY Dirent);
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/* --------------------------------------------------------- lock.c */
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NTSTATUS NTAPI
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FatLockControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
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VOID NTAPI
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FatOplockComplete(IN PVOID Context,
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IN PIRP Irp);
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VOID NTAPI
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FatPrePostIrp(IN PVOID Context,
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IN PIRP Irp);
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/* --------------------------------------------------------- fsctl.c */
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NTSTATUS NTAPI
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FatFileSystemControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
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/* --------------------------------------------------------- finfo.c */
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NTSTATUS NTAPI FatQueryInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp);
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NTSTATUS NTAPI FatSetInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp);
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/* --------------------------------------------------------- fullfat.c */
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FF_FILE *FF_OpenW(FF_IOMAN *pIoman, PUNICODE_STRING pathW, FF_T_UINT8 Mode, FF_ERROR *pError);
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/* --------------------------------------------------------- iface.c */
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NTSTATUS
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NTAPI
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DriverEntry(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath);
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/* ----------------------------------------------------------- fat.c */
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NTSTATUS NTAPI
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FatInitializeVcb(
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IN PFAT_IRP_CONTEXT IrpContext,
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IN PVCB Vcb,
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IN PDEVICE_OBJECT TargetDeviceObject,
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IN PVPB Vpb);
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VOID NTAPI
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FatUninitializeVcb(
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IN PVCB Vcb);
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/* ------------------------------------------------------ device.c */
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NTSTATUS NTAPI
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FatDeviceControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
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NTSTATUS
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FatPerformDevIoCtrl(PDEVICE_OBJECT DeviceObject,
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ULONG ControlCode,
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PVOID InputBuffer,
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ULONG InputBufferSize,
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PVOID OutputBuffer,
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ULONG OutputBufferSize,
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BOOLEAN Override);
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/* ----------------------------------------------------------- fcb.c */
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PFCB NTAPI
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FatCreateFcb(
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IN PFAT_IRP_CONTEXT IrpContext,
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IN PVCB Vcb,
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IN PFCB ParentDcb,
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IN FF_FILE *FileHandle);
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VOID NTAPI
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FatDeleteFcb(IN PFAT_IRP_CONTEXT IrpContext,
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IN PFCB Fcb);
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IO_STATUS_BLOCK NTAPI
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FatiOpenExistingFcb(IN PFAT_IRP_CONTEXT IrpContext,
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IN PFILE_OBJECT FileObject,
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IN PVCB Vcb,
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IN PFCB Fcb,
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IN PACCESS_MASK DesiredAccess,
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IN USHORT ShareAccess,
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IN ULONG AllocationSize,
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IN PFILE_FULL_EA_INFORMATION EaBuffer,
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IN ULONG EaLength,
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IN UCHAR FileAttributes,
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IN ULONG CreateDisposition,
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IN BOOLEAN NoEaKnowledge,
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IN BOOLEAN DeleteOnClose,
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IN BOOLEAN OpenedAsDos,
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OUT PBOOLEAN OplockPostIrp);
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PFCB NTAPI
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FatFindFcb(PFAT_IRP_CONTEXT IrpContext,
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PRTL_SPLAY_LINKS *RootNode,
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PSTRING AnsiName,
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PBOOLEAN IsDosName);
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VOID NTAPI
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FatInsertName(IN PFAT_IRP_CONTEXT IrpContext,
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IN PRTL_SPLAY_LINKS *RootNode,
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IN PFCB_NAME_LINK Name);
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VOID NTAPI
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FatRemoveNames(IN PFAT_IRP_CONTEXT IrpContext,
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IN PFCB Fcb);
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PCCB NTAPI
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FatCreateCcb(VOID);
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VOID NTAPI
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FatDeleteCcb(IN PFAT_IRP_CONTEXT IrpContext,
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IN PCCB Ccb);
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VOID NTAPI
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FatSetFullNameInFcb(PFCB Fcb,
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PUNICODE_STRING Name);
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VOID NTAPI
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FatSetFullFileNameInFcb(IN PFAT_IRP_CONTEXT IrpContext,
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IN PFCB Fcb);
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VOID NTAPI
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FatSetFcbNames(IN PFAT_IRP_CONTEXT IrpContext,
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IN PFCB Fcb);
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VOID NTAPI
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Fati8dot3ToString(IN PCHAR FileName,
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IN BOOLEAN DownCase,
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OUT POEM_STRING OutString);
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/* ------------------------------------------------------------ rw.c */
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NTSTATUS NTAPI
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FatRead(PDEVICE_OBJECT DeviceObject, PIRP Irp);
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NTSTATUS NTAPI
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FatWrite(PDEVICE_OBJECT DeviceObject, PIRP Irp);
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/* ------------------------------------------------------------- flush.c */
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NTSTATUS NTAPI
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FatFlushBuffers(PDEVICE_OBJECT DeviceObject, PIRP Irp);
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/* EOF */
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