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659 lines
24 KiB
C
659 lines
24 KiB
C
////////////////////////////////////////////////////////////////////
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// Copyright (C) Alexander Telyatnikov, Ivan Keliukh, Yegor Anchishkin, SKIF Software, 1999-2013. Kiev, Ukraine
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// All rights reserved
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// This file was released under the GPLv2 on June 2015.
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////////////////////////////////////////////////////////////////////
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#ifndef __UDF_COMMON_STRUCT__H__
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#define __UDF_COMMON_STRUCT__H__
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typedef enum _UDFFSD_MEDIA_TYPE {
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MediaUnknown = 0,
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MediaHdd,
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MediaCdr,
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MediaCdrw,
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MediaCdrom,
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MediaZip,
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MediaFloppy,
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MediaDvdr,
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MediaDvdrw
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} UDFFSD_MEDIA_TYPE;
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#define MAX_UDFFSD_MEDIA_TYPE ((ULONG)MediaFloppy)
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typedef struct _UDF_KEY_LIST {
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int32 d[4];
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} UDF_KEY_LIST, *PUDF_KEY_LIST;
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struct UDF_MEDIA_CLASS_NAMES
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{
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UDFFSD_MEDIA_TYPE MediaClass;
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PCWSTR ClassName;
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};
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extern struct UDF_MEDIA_CLASS_NAMES UDFMediaClassName[];
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#define MAX_ANCHOR_LOCATIONS 11
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#define MAX_SPARING_TABLE_LOCATIONS 32
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typedef struct _UDFVolumeControlBlock {
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#ifdef _UDF_STRUCTURES_H_
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//---------------
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// Kernel-only data:
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//---------------
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//---------------
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// Fcb data
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//---------------
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union {
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struct {
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UDFIdentifier NodeIdentifier;
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// compatibility field
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PtrUDFNTRequiredFCB NTRequiredFCB;
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// UDF related data (compatibility field)
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PVOID Reserved0;
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// this FCB belongs to some mounted logical volume
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// (compatibility field - pointer to itself)
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struct _UDFVolumeControlBlock* Vcb;
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// a global list of all FCB structures associated with the VCB
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LIST_ENTRY NextFCB;
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// some state information for the FCB is maintained using the
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// flags field
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uint32 FCBFlags;
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// all CCB's for this particular FCB are linked off the following
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// list head.
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// For volume open operations, we do not create a FCB (we use the VCB
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// directly instead). Therefore, all CCB structures for the volume
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// open operation are linked directly off the VCB
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LIST_ENTRY VolumeOpenListHead; // CCB
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// A count of the number of open files/directories
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// As long as the count is != 0, the volume cannot
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// be dismounted or locked.
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uint32 VolumeOpenCount;
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uint32 Reserved2;
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uint32 Reserved3;
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PVOID Reserved4;
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ERESOURCE CcbListResource;
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struct _UDFFileControlBlock* ParentFcb;
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// Pointer to IrpContextLite in delayed queue.
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struct _UDFIrpContextLite* IrpContextLite;
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uint32 CcbCount;
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};
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UDFFCB VcbAsFcb;
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};
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//---------------
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// Vcb-only data
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//---------------
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uint32 VCBOpenCount;
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uint32 VCBOpenCountRO;
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uint32 VCBHandleCount;
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// a resource to protect the fields contained within the VCB
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ERESOURCE FcbListResource;
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ERESOURCE FlushResource;
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// each VCB is accessible off a global linked list
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LIST_ENTRY NextVCB;
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// each VCB points to a VPB structure created by the NT I/O Manager
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PVPB Vpb;
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// we will maintain a global list of IRP's that are pending
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// because of a directory notify request.
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LIST_ENTRY NextNotifyIRP;
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// the above list is protected only by the mutex declared below
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PNOTIFY_SYNC NotifyIRPMutex;
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// for each mounted volume, we create a device object. Here then
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// is a back pointer to that device object
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PDEVICE_OBJECT VCBDeviceObject;
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BOOLEAN ShutdownRegistered;
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// We also retain a pointer to the physical device object on which we
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// have mounted ourselves. The I/O Manager passes us a pointer to this
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// device object when requesting a mount operation.
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PDEVICE_OBJECT TargetDeviceObject;
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UNICODE_STRING TargetDevName;
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PCWSTR DefaultRegName;
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// the volume structure contains a pointer to the root directory FCB
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PtrUDFFCB RootDirFCB;
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// the complete name of the user visible drive letter we serve
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PUCHAR PtrVolumePath;
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// Pointer to a stream file object created for the volume information
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// to be more easily read from secondary storage (with the support of
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// the NT Cache Manager).
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/* PFILE_OBJECT PtrStreamFileObject;
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// Required to use the Cache Manager.
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*/
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struct _FILE_SYSTEM_STATISTICS* Statistics;
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// Volume lock file object - used in Lock/Unlock routines
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ULONG VolumeLockPID;
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PFILE_OBJECT VolumeLockFileObject;
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DEVICE_TYPE FsDeviceType;
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// The following field tells how many requests for this volume have
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// either been enqueued to ExWorker threads or are currently being
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// serviced by ExWorker threads. If the number goes above
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// a certain threshold, put the request on the overflow queue to be
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// executed later.
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ULONG PostedRequestCount;
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ULONG ThreadsPerCpu;
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// The following field indicates the number of IRP's waiting
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// to be serviced in the overflow queue.
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ULONG OverflowQueueCount;
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// The following field contains the queue header of the overflow queue.
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// The Overflow queue is a list of IRP's linked via the IRP's ListEntry
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// field.
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LIST_ENTRY OverflowQueue;
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// The following spinlock protects access to all the above fields.
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KSPIN_LOCK OverflowQueueSpinLock;
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ULONG StopOverflowQueue;
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ULONG SystemCacheGran;
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//---------------
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//
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//---------------
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// Eject Request waiter
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struct _UDFEjectWaitContext* EjectWaiter;
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KEVENT WaiterStopped;
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ULONG SoftEjectReq;
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ULONG BM_FlushTime;
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ULONG BM_FlushPriod;
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ULONG Tree_FlushTime;
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ULONG Tree_FlushPriod;
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ULONG SkipCountLimit;
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ULONG SkipEjectCountLimit;
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/* // XP CD Burner related data
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UNICODE_STRING CDBurnerVolume;
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BOOLEAN CDBurnerVolumeValid;
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*/
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// Background writes counter
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LONG BGWriters;
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// File Id cache
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struct _UDFFileIDCacheItem* FileIdCache;
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ULONG FileIdCount;
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//
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ULONG MediaLockCount;
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BOOLEAN IsVolumeJustMounted;
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#else
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//---------------
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// Win32-only data:
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//---------------
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#ifdef _BROWSE_UDF_
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PUDF_FILE_INFO RootFileInfo;
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#endif
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#ifdef UDF_FORMAT_MEDIA
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struct _UDFFmtState* fms;
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#endif //UDF_FORMAT_MEDIA
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PDEVICE_OBJECT TargetDeviceObject;
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ULONG FsDeviceType;
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ULONG PhDeviceType;
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#endif //_UDF_STRUCTURES_H_
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// FS size cache
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LONGLONG TotalAllocUnits;
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LONGLONG FreeAllocUnits;
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LONGLONG EstimatedFreeUnits;
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// a resource to protect the fields contained within the VCB
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ERESOURCE VCBResource;
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ERESOURCE BitMapResource1;
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ERESOURCE FileIdResource;
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ERESOURCE DlocResource;
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ERESOURCE DlocResource2;
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ERESOURCE PreallocResource;
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ERESOURCE IoResource;
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//---------------
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// Physical media parameters
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//---------------
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ULONG BlockSize;
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ULONG BlockSizeBits;
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ULONG WriteBlockSize;
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ULONG LBlockSize;
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ULONG LBlockSizeBits;
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ULONG LB2B_Bits;
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// Number of last session
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ULONG LastSession;
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ULONG FirstTrackNum;
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ULONG FirstTrackNumLastSes;
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ULONG LastTrackNum;
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// First & Last LBA of the last session
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ULONG FirstLBA;
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ULONG FirstLBALastSes;
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ULONG LastLBA;
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// Last writable LBA
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ULONG LastPossibleLBA;
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// First writable LBA
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ULONG NWA;
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// sector type map
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struct _UDFTrackMap* TrackMap;
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ULONG LastModifiedTrack;
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ULONG LastReadTrack;
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ULONG CdrwBufferSize;
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ULONG CdrwBufferSizeCounter;
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uint32 SavedFeatures;
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// OPC info
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// PCHAR OPC_buffer;
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UCHAR OPCNum;
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BOOLEAN OPCDone;
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UCHAR MediaType;
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UCHAR MediaClassEx;
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UCHAR DiscStat;
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UCHAR PhErasable;
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UCHAR PhDiskType;
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UCHAR PhMediaCapFlags;
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UCHAR MRWStatus;
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UCHAR UseEvent;
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BOOLEAN BlankCD;
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UCHAR Reserved;
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ULONG PhSerialNumber;
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// Speed control
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SET_CD_SPEED_EX_USER_IN SpeedBuf;
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ULONG MaxWriteSpeed;
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ULONG MaxReadSpeed;
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ULONG CurSpeed;
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BOOLEAN CDR_Mode;
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BOOLEAN DVD_Mode;
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BOOLEAN WriteParamsReq;
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#define SYNC_CACHE_RECOVERY_NONE 0
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#define SYNC_CACHE_RECOVERY_ATTEMPT 1
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#define SYNC_CACHE_RECOVERY_RETRY 2
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UCHAR SyncCacheState;
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// W-cache
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W_CACHE FastCache;
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ULONG WCacheMaxFrames;
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ULONG WCacheMaxBlocks;
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ULONG WCacheBlocksPerFrameSh;
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ULONG WCacheFramesToKeepFree;
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PCHAR ZBuffer;
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PCHAR fZBuffer;
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ULONG fZBufferSize;
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PSEND_OPC_INFO_HEADER_USER_IN OPCh;
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PGET_WRITE_MODE_USER_OUT WParams;
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PGET_LAST_ERROR_USER_OUT Error;
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ULONG IoErrorCounter;
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// Media change count (equal to the same field in CDFS VCB)
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ULONG MediaChangeCount;
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#define INCREMENTAL_SEEK_NONE 0
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#define INCREMENTAL_SEEK_WORKAROUND 1
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#define INCREMENTAL_SEEK_DONE 2
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UCHAR IncrementalSeekState;
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BOOLEAN VerifyOnWrite;
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BOOLEAN DoNotCompareBeforeWrite;
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BOOLEAN CacheChainedIo;
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ULONG MountPhErrorCount;
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// a set of flags that might mean something useful
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uint32 VCBFlags;
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BOOLEAN FP_disc;
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//---------------
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// UDF related data
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//---------------
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#ifdef _BROWSE_UDF_
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// Anchors LBA
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ULONG Anchor[MAX_ANCHOR_LOCATIONS];
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ULONG BadSeqLoc[MAX_ANCHOR_LOCATIONS*2];
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OSSTATUS BadSeqStatus[MAX_ANCHOR_LOCATIONS*2];
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ULONG BadSeqLocIndex;
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// Volume label
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UNICODE_STRING VolIdent;
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// Volume creation time
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int64 VolCreationTime;
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// Root & SystemStream lb_addr
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lb_addr RootLbAddr;
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lb_addr SysStreamLbAddr;
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// Number of partition
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ULONG PartitionMaps;
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// Pointer to partition structures
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PUDFPartMap Partitions;
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LogicalVolIntegrityDesc *LVid;
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uint32 IntegrityType;
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uint32 origIntegrityType;
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extent_ad LVid_loc;
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ULONG SerialNumber;
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// on-disk structure version control
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uint16 CurrentUDFRev;
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uint16 minUDFReadRev;
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uint16 minUDFWriteRev;
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uint16 maxUDFWriteRev;
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// file/dir counters for Mac OS
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uint32 numFiles;
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uint32 numDirs;
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// VAT
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uint32 InitVatCount;
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uint32 VatCount;
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uint32* Vat;
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uint32 VatPartNdx;
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PUDF_FILE_INFO VatFileInfo;
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// sparing table
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ULONG SparingCountFree;
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ULONG SparingCount;
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ULONG SparingBlockSize;
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struct _SparingEntry* SparingTable;
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uint32 SparingTableLoc[MAX_SPARING_TABLE_LOCATIONS];
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uint32 SparingTableCount;
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uint32 SparingTableLength;
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uint32 SparingTableModified;
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// free space bitmap
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ULONG FSBM_ByteCount;
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// the following 2 fields are equal to NTIFS's RTL_BITMAP structure
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ULONG FSBM_BitCount;
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PCHAR FSBM_Bitmap; // 0 - free, 1 - used
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#ifdef UDF_TRACK_ONDISK_ALLOCATION_OWNERS
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PULONG FSBM_Bitmap_owners; // 0 - free
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// -1 - used by unknown
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// other - owner's FE location
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#ifdef UDF_TRACK_FS_STRUCTURES
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PEXTENT_MAP FsStructMap;
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PULONG FE_link_counts; // 0 - free
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#endif //UDF_TRACK_FS_STRUCTURES
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#endif //UDF_TRACK_ONDISK_ALLOCATION_OWNERS
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PCHAR FSBM_OldBitmap; // 0 - free, 1 - used
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ULONG BitmapModified;
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PCHAR ZSBM_Bitmap; // 0 - data, 1 - zero-filleld
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#endif //_BROWSE_UDF_
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PCHAR BSBM_Bitmap; // 0 - normal, 1 - bad-block
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#ifdef _BROWSE_UDF_
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// pointers to Volume Descriptor Sequences
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ULONG VDS1;
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ULONG VDS1_Len;
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ULONG VDS2;
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ULONG VDS2_Len;
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ULONG Modified;
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// System Stream Dir
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PUDF_FILE_INFO SysSDirFileInfo;
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// Non-alloc space
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PUDF_FILE_INFO NonAllocFileInfo;
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// Unique ID Mapping
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PUDF_FILE_INFO UniqueIDMapFileInfo;
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// Saved location of Primary Vol Descr (used for setting Label)
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UDF_VDS_RECORD PVolDescAddr;
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UDF_VDS_RECORD PVolDescAddr2;
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// NSR flags
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uint32 NSRDesc;
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// File Id cache
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ULONGLONG NextUniqueId;
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// FE location cache
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PUDF_DATALOC_INDEX DlocList;
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ULONG DlocCount;
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// FS compatibility
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USHORT DefaultAllocMode; // Default alloc mode (from registry)
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BOOLEAN UseExtendedFE;
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BOOLEAN LowFreeSpace;
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UDFFSD_MEDIA_TYPE MediaTypeEx;
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ULONG DefaultUID;
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ULONG DefaultGID;
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ULONG DefaultAttr; // Default file attributes (NT-style)
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UCHAR PartitialDamagedVolumeAction;
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BOOLEAN NoFreeRelocationSpaceVolumeAction;
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BOOLEAN WriteSecurity;
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BOOLEAN FlushMedia;
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BOOLEAN ForgetVolume;
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UCHAR Reserved5[3];
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//
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ULONG FECharge;
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ULONG FEChargeSDir;
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ULONG PackDirThreshold;
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ULONG SparseThreshold; // in blocks
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PUDF_ALLOCATION_CACHE_ITEM FEChargeCache;
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ULONG FEChargeCacheMaxSize;
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PUDF_ALLOCATION_CACHE_ITEM PreallocCache;
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ULONG PreallocCacheMaxSize;
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UDF_VERIFY_CTX VerifyCtx;
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PUCHAR Cfg;
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ULONG CfgLength;
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ULONG CfgVersion;
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#endif //_BROWSE_UDF_
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uint32 CompatFlags;
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uint32 UserFSFlags;
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UCHAR ShowBlankCd;
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} VCB, *PVCB;
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// some valid flags for the VCB
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#define UDF_VCB_FLAGS_VOLUME_MOUNTED (0x00000001)
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#define UDF_VCB_FLAGS_VOLUME_LOCKED (0x00000002)
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#define UDF_VCB_FLAGS_BEING_DISMOUNTED (0x00000004)
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#define UDF_VCB_FLAGS_SHUTDOWN (0x00000008)
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#define UDF_VCB_FLAGS_VOLUME_READ_ONLY (0x00000010)
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#define UDF_VCB_FLAGS_VCB_INITIALIZED (0x00000020)
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#define UDF_VCB_FLAGS_OUR_DEVICE_DRIVER (0x00000040)
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#define UDF_VCB_FLAGS_NO_SYNC_CACHE (0x00000080)
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#define UDF_VCB_FLAGS_REMOVABLE_MEDIA (0x00000100)
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#define UDF_VCB_FLAGS_MEDIA_LOCKED (0x00000200)
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#define UDF_VCB_SKIP_EJECT_CHECK (0x00000400)
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//#define UDF_VCB_FS_BITMAP_MODIFIED (0x00000800) // moved to separate flag
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#define UDF_VCB_LAST_WRITE (0x00001000)
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#define UDF_VCB_FLAGS_TRACKMAP (0x00002000)
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#define UDF_VCB_ASSUME_ALL_USED (0x00004000)
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#define UDF_VCB_FLAGS_RAW_DISK (0x00040000)
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#define UDF_VCB_FLAGS_USE_STD (0x00080000)
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#define UDF_VCB_FLAGS_STOP_WAITER_EVENT (0x00100000)
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#define UDF_VCB_FLAGS_NO_DELAYED_CLOSE (0x00200000)
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#define UDF_VCB_FLAGS_MEDIA_READ_ONLY (0x00400000)
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#define UDF_VCB_FLAGS_FLUSH_BREAK_REQ (0x01000000)
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#define UDF_VCB_FLAGS_EJECT_REQ (0x02000000)
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#define UDF_VCB_FLAGS_FORCE_SYNC_CACHE (0x04000000)
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#define UDF_VCB_FLAGS_USE_CAV (0x08000000)
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#define UDF_VCB_FLAGS_UNSAFE_IOCTL (0x10000000)
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#define UDF_VCB_FLAGS_DEAD (0x20000000) // device unexpectedly disappeared
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// flags for FS Interface Compatibility
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#define UDF_VCB_IC_UPDATE_ACCESS_TIME (0x00000001)
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#define UDF_VCB_IC_UPDATE_MODIFY_TIME (0x00000002)
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#define UDF_VCB_IC_UPDATE_ATTR_TIME (0x00000004)
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#define UDF_VCB_IC_UPDATE_ARCH_BIT (0x00000008)
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#define UDF_VCB_IC_UPDATE_DIR_WRITE (0x00000010)
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#define UDF_VCB_IC_UPDATE_DIR_READ (0x00000020)
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#define UDF_VCB_IC_WRITE_IN_RO_DIR (0x00000040)
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#define UDF_VCB_IC_UPDATE_UCHG_DIR_ACCESS_TIME (0x00000080)
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#define UDF_VCB_IC_W2K_COMPAT_ALLOC_DESCS (0x00000100)
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#define UDF_VCB_IC_HW_RO (0x00000200)
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#define UDF_VCB_IC_OS_NATIVE_DOS_NAME (0x00000400)
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#define UDF_VCB_IC_FORCE_WRITE_THROUGH (0x00000800)
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#define UDF_VCB_IC_FORCE_HW_RO (0x00001000)
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#define UDF_VCB_IC_IGNORE_SEQUENTIAL_IO (0x00002000)
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#define UDF_VCB_IC_NO_SYNCCACHE_AFTER_WRITE (0x00004000)
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#define UDF_VCB_IC_BAD_RW_SEEK (0x00008000)
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#define UDF_VCB_IC_FP_ADDR_PROBLEM (0x00010000)
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#define UDF_VCB_IC_MRW_ADDR_PROBLEM (0x00020000)
|
|
#define UDF_VCB_IC_BAD_DVD_LAST_LBA (0x00040000)
|
|
#define UDF_VCB_IC_SYNCCACHE_BEFORE_READ (0x00080000)
|
|
#define UDF_VCB_IC_INSTANT_COMPAT_ALLOC_DESCS (0x00100000)
|
|
#define UDF_VCB_IC_SOFT_RO (0x00200000)
|
|
|
|
#define UDF_VCB_IC_DIRTY_RO (0x04000000)
|
|
#define UDF_VCB_IC_W2K_COMPAT_VLABEL (0x08000000)
|
|
#define UDF_VCB_IC_CACHE_BAD_VDS (0x10000000)
|
|
#define UDF_VCB_IC_WAIT_CD_SPINUP (0x20000000)
|
|
#define UDF_VCB_IC_SHOW_BLANK_CD (0x40000000)
|
|
#define UDF_VCB_IC_ADAPTEC_NONALLOC_COMPAT (0x80000000)
|
|
|
|
// Some defines
|
|
#define UDFIsDvdMedia(Vcb) (Vcb->DVD_Mode)
|
|
#define UDFIsWriteParamsReq(Vcb) (Vcb->WriteParamsReq && !Vcb->DVD_Mode)
|
|
|
|
/**************************************************************************
|
|
we will store all of our global variables in one structure.
|
|
Global variables are not specific to any mounted volume BUT
|
|
by definition are required for successful operation of the
|
|
FSD implementation.
|
|
**************************************************************************/
|
|
typedef struct _UDFData {
|
|
|
|
#ifdef _UDF_STRUCTURES_H_
|
|
UDFIdentifier NodeIdentifier;
|
|
// the fields in this list are protected by the following resource
|
|
ERESOURCE GlobalDataResource;
|
|
// each driver has a driver object created for it by the NT I/O Mgr.
|
|
// we are no exception to this rule.
|
|
PDRIVER_OBJECT DriverObject;
|
|
// we will create a device object for our FSD as well ...
|
|
// Although not really required, it helps if a helper application
|
|
// writen by us wishes to send us control information via
|
|
// IOCTL requests ...
|
|
PDEVICE_OBJECT UDFDeviceObject;
|
|
PDEVICE_OBJECT UDFDeviceObject_CD;
|
|
PDEVICE_OBJECT UDFDeviceObject_HDD;
|
|
PDEVICE_OBJECT UDFDeviceObject_TAPE;
|
|
PDEVICE_OBJECT UDFDeviceObject_OTHER;
|
|
PDEVICE_OBJECT UDFFilterDeviceObject;
|
|
// we will keep a list of all logical volumes for our UDF FSD
|
|
LIST_ENTRY VCBQueue;
|
|
// the NT Cache Manager, the I/O Manager and we will conspire
|
|
// to bypass IRP usage using the function pointers contained
|
|
// in the following structure
|
|
FAST_IO_DISPATCH UDFFastIoDispatch;
|
|
// The NT Cache Manager uses the following call backs to ensure
|
|
// correct locking hierarchy is maintained
|
|
CACHE_MANAGER_CALLBACKS CacheMgrCallBacks;
|
|
// structures allocated from a zone need some fields here. Note
|
|
// that under version 4.0, it might be better to use lookaside
|
|
// lists
|
|
KSPIN_LOCK ZoneAllocationSpinLock;
|
|
ZONE_HEADER ObjectNameZoneHeader;
|
|
ZONE_HEADER CCBZoneHeader;
|
|
ZONE_HEADER FCBZoneHeader;
|
|
ZONE_HEADER IrpContextZoneHeader;
|
|
// ZONE_HEADER FileInfoZoneHeader;
|
|
VOID *ObjectNameZone;
|
|
VOID *CCBZone;
|
|
VOID *FCBZone;
|
|
VOID *IrpContextZone;
|
|
// VOID *FileInfoZone;
|
|
// currently, there is a single default zone size value used for
|
|
// all zones. This should ideally be changed by you to be 1 per
|
|
// type of zone (e.g. a default size for the FCB zone might be
|
|
// different from the default size for the ByteLock zone).
|
|
|
|
// Of course, you will need to use different values (min/max)
|
|
// for lookaside lists (if you decide to use them instead)
|
|
uint32 DefaultZoneSizeInNumStructs;
|
|
// Handle returned by the MUP is stored here.
|
|
HANDLE MupHandle;
|
|
// IsSync Resource
|
|
// ERESOURCE IsSyncResource;
|
|
// Is operation synchronous flag
|
|
// BOOLEAN IsSync;
|
|
|
|
// delayed close support
|
|
ERESOURCE DelayedCloseResource;
|
|
ULONG MaxDelayedCloseCount;
|
|
ULONG DelayedCloseCount;
|
|
ULONG MinDelayedCloseCount;
|
|
ULONG MaxDirDelayedCloseCount;
|
|
ULONG DirDelayedCloseCount;
|
|
ULONG MinDirDelayedCloseCount;
|
|
LIST_ENTRY DelayedCloseQueue;
|
|
LIST_ENTRY DirDelayedCloseQueue;
|
|
WORK_QUEUE_ITEM CloseItem;
|
|
WORK_QUEUE_ITEM LicenseKeyItem;
|
|
BOOLEAN LicenseKeyItemStarted;
|
|
BOOLEAN FspCloseActive;
|
|
BOOLEAN ReduceDelayedClose;
|
|
BOOLEAN ReduceDirDelayedClose;
|
|
|
|
ULONG CPU_Count;
|
|
LARGE_INTEGER UDFLargeZero;
|
|
|
|
// mount event (for udf gui app)
|
|
PKEVENT MountEvent;
|
|
|
|
#endif //_UDF_STRUCTURES_H_
|
|
//HKEY hUdfRootKey;
|
|
UNICODE_STRING SavedRegPath;
|
|
UNICODE_STRING UnicodeStrRoot;
|
|
UNICODE_STRING UnicodeStrSDir;
|
|
UNICODE_STRING AclName;
|
|
// WCHAR UnicodeStrRootBuffer[2];
|
|
|
|
ULONG WCacheMaxFrames;
|
|
ULONG WCacheMaxBlocks;
|
|
ULONG WCacheBlocksPerFrameSh;
|
|
ULONG WCacheFramesToKeepFree;
|
|
|
|
// some state information is maintained in the flags field
|
|
uint32 UDFFlags;
|
|
|
|
PVOID AutoFormatCount;
|
|
|
|
} UDFData, *PtrUDFData;
|
|
|
|
// valid flag values for the global data structure
|
|
#define UDF_DATA_FLAGS_RESOURCE_INITIALIZED (0x00000001)
|
|
#define UDF_DATA_FLAGS_ZONES_INITIALIZED (0x00000002)
|
|
#define UDF_DATA_FLAGS_BEING_UNLOADED (0x00000004)
|
|
|
|
/**/
|
|
|
|
extern VOID UDFSetModified(
|
|
IN PVCB Vcb
|
|
);
|
|
|
|
extern VOID UDFPreClrModified(
|
|
IN PVCB Vcb
|
|
);
|
|
|
|
extern VOID UDFClrModified(
|
|
IN PVCB Vcb
|
|
);
|
|
|
|
|
|
#define FILE_ID_CACHE_GRANULARITY 16
|
|
#define DLOC_LIST_GRANULARITY 16
|
|
|
|
typedef LONGLONG FILE_ID;
|
|
typedef FILE_ID *PFILE_ID;
|
|
|
|
#endif //__UDF_COMMON_STRUCT__H__
|