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reactos/drivers/filesystems/cdfs/cdfs.h

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#ifndef CDFS_H
#define CDFS_H
#include <ntifs.h>
#include <ntddcdrm.h>
#include <pseh/pseh2.h>
#ifdef __GNUC__
#define INIT_SECTION __attribute__((section ("INIT")))
#else
#define INIT_SECTION /* Done via alloc_text for MSC */
#endif
#define CDFS_BASIC_SECTOR 2048
#define CDFS_PRIMARY_DESCRIPTOR_LOCATION 16
#define BLOCKSIZE CDFS_BASIC_SECTOR
#define CDFS_MAX_NAME_LEN 256
/* Volume descriptor types (VdType) */
#define BOOT_VOLUME_DESCRIPTOR_TYPE 0
#define PRIMARY_VOLUME_DESCRIPTOR_TYPE 1
#define SUPPLEMENTARY_VOLUME_DESCRIPTOR_TYPE 2
#define VOLUME_PARTITION_DESCRIPTOR_TYPE 3
#define VOLUME_DESCRIPTOR_SET_TERMINATOR 255
#include <pshpack1.h>
struct _DIR_RECORD
{
UCHAR RecordLength; // 1
UCHAR ExtAttrRecordLength; // 2
ULONG ExtentLocationL; // 3-6
ULONG ExtentLocationM; // 7-10
ULONG DataLengthL; // 11-14
ULONG DataLengthM; // 15-18
UCHAR Year; // 19
UCHAR Month; // 20
UCHAR Day; // 21
UCHAR Hour; // 22
UCHAR Minute; // 23
UCHAR Second; // 24
UCHAR TimeZone; // 25
UCHAR FileFlags; // 26
UCHAR FileUnitSize; // 27
UCHAR InterleaveGapSize; // 28
ULONG VolumeSequenceNumber; // 29-32
UCHAR FileIdLength; // 33
UCHAR FileId[1]; // 34
};
#include <poppack.h>
typedef struct _DIR_RECORD DIR_RECORD, *PDIR_RECORD;
/* DIR_RECORD.FileFlags */
#define FILE_FLAG_HIDDEN 0x01
#define FILE_FLAG_DIRECTORY 0x02
#define FILE_FLAG_SYSTEM 0x04
#define FILE_FLAG_READONLY 0x10
/* Volume Descriptor header*/
#include <pshpack1.h>
struct _VD_HEADER
{
UCHAR VdType; // 1
UCHAR StandardId[5]; // 2-6
UCHAR VdVersion; // 7
};
typedef struct _VD_HEADER VD_HEADER, *PVD_HEADER;
/* Primary Volume Descriptor */
struct _PVD
{
UCHAR VdType; // 1
UCHAR StandardId[5]; // 2-6
UCHAR VdVersion; // 7
UCHAR unused0; // 8
UCHAR SystemId[32]; // 9-40
UCHAR VolumeId[32]; // 41-72
UCHAR unused1[8]; // 73-80
ULONG VolumeSpaceSizeL; // 81-84
ULONG VolumeSpaceSizeM; // 85-88
UCHAR unused2[32]; // 89-120
ULONG VolumeSetSize; // 121-124
ULONG VolumeSequenceNumber; // 125-128
ULONG LogicalBlockSize; // 129-132
ULONG PathTableSizeL; // 133-136
ULONG PathTableSizeM; // 137-140
ULONG LPathTablePos; // 141-144
ULONG LOptPathTablePos; // 145-148
ULONG MPathTablePos; // 149-152
ULONG MOptPathTablePos; // 153-156
DIR_RECORD RootDirRecord; // 157-190
UCHAR VolumeSetIdentifier[128]; // 191-318
UCHAR PublisherIdentifier[128]; // 319-446
/* more data ... */
};
typedef struct _PVD PVD, *PPVD;
/* Supplementary Volume Descriptor */
struct _SVD
{
UCHAR VdType; // 1
UCHAR StandardId[5]; // 2-6
UCHAR VdVersion; // 7
UCHAR VolumeFlags; // 8
UCHAR SystemId[32]; // 9-40
UCHAR VolumeId[32]; // 41-72
UCHAR unused1[8]; // 73-80
ULONG VolumeSpaceSizeL; // 81-84
ULONG VolumeSpaceSizeM; // 85-88
UCHAR EscapeSequences[32]; // 89-120
ULONG VolumeSetSize; // 121-124
ULONG VolumeSequenceNumber; // 125-128
ULONG LogicalBlockSize; // 129-132
ULONG PathTableSizeL; // 133-136
ULONG PathTableSizeM; // 137-140
ULONG LPathTablePos; // 141-144
ULONG LOptPathTablePos; // 145-148
ULONG MPathTablePos; // 149-152
ULONG MOptPathTablePos; // 153-156
DIR_RECORD RootDirRecord; // 157-190
UCHAR VolumeSetIdentifier[128]; // 191-318
UCHAR PublisherIdentifier[128]; // 319-446
// more data ...
};
#include <poppack.h>
typedef struct _SVD SVD, *PSVD;
typedef struct _CDINFO
{
ULONG VolumeOffset;
ULONG VolumeSpaceSize;
ULONG JolietLevel;
ULONG RootStart;
ULONG RootSize;
WCHAR VolumeLabel[MAXIMUM_VOLUME_LABEL_LENGTH / sizeof(WCHAR)];
USHORT VolumeLabelLength;
ULONG SerialNumber;
} CDINFO, *PCDINFO;
typedef struct
{
ERESOURCE VcbResource;
ERESOURCE DirResource;
KSPIN_LOCK FcbListLock;
LIST_ENTRY FcbListHead;
PVPB Vpb;
PDEVICE_OBJECT VolumeDevice;
PDEVICE_OBJECT StorageDevice;
PFILE_OBJECT StreamFileObject;
CDINFO CdInfo;
/* Notifications */
LIST_ENTRY NotifyList;
PNOTIFY_SYNC NotifySync;
} DEVICE_EXTENSION, *PDEVICE_EXTENSION, VCB, *PVCB;
#define FCB_CACHE_INITIALIZED 0x0001
#define FCB_IS_VOLUME_STREAM 0x0002
#define FCB_IS_VOLUME 0x0004
#define MAX_PATH 260
typedef struct _CDFS_SHORT_NAME
{
LIST_ENTRY Entry;
LARGE_INTEGER StreamOffset;
UNICODE_STRING Name;
WCHAR NameBuffer[13];
} CDFS_SHORT_NAME, *PCDFS_SHORT_NAME;
typedef struct _FCB
{
FSRTL_COMMON_FCB_HEADER RFCB;
SECTION_OBJECT_POINTERS SectionObjectPointers;
ERESOURCE MainResource;
ERESOURCE PagingIoResource;
PFILE_OBJECT FileObject;
PDEVICE_EXTENSION DevExt;
UNICODE_STRING ShortNameU;
WCHAR *ObjectName; /* point on filename (250 chars max) in PathName */
UNICODE_STRING PathName; /* path+filename 260 max */
WCHAR PathNameBuffer[MAX_PATH]; /* Buffer for PathName */
WCHAR ShortNameBuffer[13];
LIST_ENTRY FcbListEntry;
struct _FCB* ParentFcb;
ULONG DirIndex;
LARGE_INTEGER IndexNumber; /* HighPart: Parent directory start sector */
/* LowPart: Directory record offset in the parent directory file */
LONG RefCount;
ULONG Flags;
DIR_RECORD Entry;
ERESOURCE NameListResource;
LIST_ENTRY ShortNameList;
FILE_LOCK FileLock;
} FCB, *PFCB;
typedef struct _CCB
{
LIST_ENTRY NextCCB;
PFILE_OBJECT PtrFileObject;
LARGE_INTEGER CurrentByteOffset;
/* for DirectoryControl */
ULONG Entry;
ULONG Offset;
/* for DirectoryControl */
UNICODE_STRING DirectorySearchPattern;
ULONG LastCluster;
ULONG LastOffset;
} CCB, *PCCB;
#define CDFS_TAG 'sfdC'
#define CDFS_CCB_TAG 'ccdC'
#define CDFS_NONPAGED_FCB_TAG 'nfdC'
#define CDFS_SHORT_NAME_TAG 'sgdC'
#define CDFS_SEARCH_PATTERN_TAG 'eedC'
#define CDFS_FILENAME_TAG 'nFdC'
typedef struct _CDFS_GLOBAL_DATA
{
PDRIVER_OBJECT DriverObject;
PDEVICE_OBJECT CdFsDeviceObject;
PDEVICE_OBJECT HddFsDeviceObject;
ULONG Flags;
CACHE_MANAGER_CALLBACKS CacheMgrCallbacks;
FAST_IO_DISPATCH FastIoDispatch;
NPAGED_LOOKASIDE_LIST IrpContextLookasideList;
} CDFS_GLOBAL_DATA, *PCDFS_GLOBAL_DATA;
#define IRPCONTEXT_CANWAIT 0x1
#define IRPCONTEXT_COMPLETE 0x2
#define IRPCONTEXT_QUEUE 0x4
typedef struct _CDFS_IRP_CONTEXT
{
// NTFSIDENTIFIER Identifier;
ULONG Flags;
PIO_STACK_LOCATION Stack;
UCHAR MajorFunction;
UCHAR MinorFunction;
WORK_QUEUE_ITEM WorkQueueItem;
PIRP Irp;
BOOLEAN IsTopLevel;
PDEVICE_OBJECT DeviceObject;
PFILE_OBJECT FileObject;
NTSTATUS SavedExceptionCode;
CCHAR PriorityBoost;
} CDFS_IRP_CONTEXT, *PCDFS_IRP_CONTEXT;
extern PCDFS_GLOBAL_DATA CdfsGlobalData;
/* cdfs.c */
NTSTATUS
NTAPI
DriverEntry(
PDRIVER_OBJECT DriverObject,
PUNICODE_STRING RegistryPath);
/* cleanup.c */
NTSTATUS
NTAPI
CdfsCleanup(
PCDFS_IRP_CONTEXT IrpContext);
/* close.c */
NTSTATUS
NTAPI
CdfsClose(
PCDFS_IRP_CONTEXT IrpContext);
NTSTATUS
CdfsCloseFile(PDEVICE_EXTENSION DeviceExt,
PFILE_OBJECT FileObject);
/* common.c */
NTSTATUS
CdfsReadSectors(IN PDEVICE_OBJECT DeviceObject,
IN ULONG DiskSector,
IN ULONG SectorCount,
IN OUT PUCHAR Buffer,
IN BOOLEAN Override);
NTSTATUS
CdfsDeviceIoControl (IN PDEVICE_OBJECT DeviceObject,
IN ULONG CtlCode,
IN PVOID InputBuffer,
IN ULONG InputBufferSize,
IN OUT PVOID OutputBuffer,
IN OUT PULONG pOutputBufferSize,
IN BOOLEAN Override);
/* create.c */
NTSTATUS
NTAPI
CdfsCreate(
PCDFS_IRP_CONTEXT IrpContext);
/* devctrl.c */
NTSTATUS NTAPI
CdfsDeviceControl(
PCDFS_IRP_CONTEXT IrpContext);
/* dirctl.c */
NTSTATUS
NTAPI
CdfsDirectoryControl(
PCDFS_IRP_CONTEXT IrpContext);
/* dispatch.c */
DRIVER_DISPATCH CdfsFsdDispatch;
NTSTATUS
NTAPI
CdfsFsdDispatch(
PDEVICE_OBJECT DeviceObject,
PIRP Irp);
/* fastio.c */
BOOLEAN
NTAPI
CdfsAcquireForLazyWrite(IN PVOID Context,
IN BOOLEAN Wait);
VOID
NTAPI
CdfsReleaseFromLazyWrite(IN PVOID Context);
FAST_IO_CHECK_IF_POSSIBLE CdfsFastIoCheckIfPossible;
FAST_IO_READ CdfsFastIoRead;
FAST_IO_WRITE CdfsFastIoWrite;
/* fcb.c */
PFCB
CdfsCreateFCB(PCWSTR FileName);
VOID
CdfsDestroyFCB(PFCB Fcb);
BOOLEAN
CdfsFCBIsDirectory(PFCB Fcb);
BOOLEAN
CdfsFCBIsRoot(PFCB Fcb);
VOID
CdfsGrabFCB(PDEVICE_EXTENSION Vcb,
PFCB Fcb);
VOID
CdfsReleaseFCB(PDEVICE_EXTENSION Vcb,
PFCB Fcb);
VOID
CdfsAddFCBToTable(PDEVICE_EXTENSION Vcb,
PFCB Fcb);
PFCB
CdfsGrabFCBFromTable(PDEVICE_EXTENSION Vcb,
PUNICODE_STRING FileName);
NTSTATUS
CdfsFCBInitializeCache(PVCB Vcb,
PFCB Fcb);
PFCB
CdfsMakeRootFCB(PDEVICE_EXTENSION Vcb);
PFCB
CdfsOpenRootFCB(PDEVICE_EXTENSION Vcb);
NTSTATUS
CdfsMakeFCBFromDirEntry(PVCB Vcb,
PFCB DirectoryFCB,
PWSTR LongName,
PWSTR ShortName,
PDIR_RECORD Record,
ULONG DirectorySector,
ULONG DirectoryOffset,
PFCB * fileFCB);
NTSTATUS
CdfsAttachFCBToFileObject(PDEVICE_EXTENSION Vcb,
PFCB Fcb,
PFILE_OBJECT FileObject);
NTSTATUS
CdfsDirFindFile(PDEVICE_EXTENSION DeviceExt,
PFCB DirectoryFcb,
PUNICODE_STRING FileToFind,
PFCB *FoundFCB);
NTSTATUS
CdfsGetFCBForFile(PDEVICE_EXTENSION Vcb,
PFCB *pParentFCB,
PFCB *pFCB,
PUNICODE_STRING FileName);
/* finfo.c */
NTSTATUS
NTAPI
CdfsQueryInformation(
PCDFS_IRP_CONTEXT IrpContext);
NTSTATUS
NTAPI
CdfsSetInformation(
PCDFS_IRP_CONTEXT IrpContext);
/* fsctl.c */
NTSTATUS NTAPI
CdfsFileSystemControl(
PCDFS_IRP_CONTEXT IrpContext);
/* misc.c */
BOOLEAN
CdfsIsIrpTopLevel(
PIRP Irp);
PCDFS_IRP_CONTEXT
CdfsAllocateIrpContext(
PDEVICE_OBJECT DeviceObject,
PIRP Irp);
VOID
CdfsSwapString(PWCHAR Out,
PUCHAR In,
ULONG Count);
VOID
CdfsDateTimeToSystemTime(PFCB Fcb,
PLARGE_INTEGER SystemTime);
VOID
CdfsFileFlagsToAttributes(PFCB Fcb,
PULONG FileAttributes);
VOID
CdfsShortNameCacheGet
(PFCB DirectoryFcb,
PLARGE_INTEGER StreamOffset,
PUNICODE_STRING LongName,
PUNICODE_STRING ShortName);
BOOLEAN
CdfsIsRecordValid(IN PDEVICE_EXTENSION DeviceExt,
IN PDIR_RECORD Record);
VOID
CdfsGetDirEntryName(PDEVICE_EXTENSION DeviceExt,
PDIR_RECORD Record,
PWSTR Name);
/* rw.c */
NTSTATUS
NTAPI
CdfsRead(
PCDFS_IRP_CONTEXT IrpContext);
NTSTATUS
NTAPI
CdfsWrite(
PCDFS_IRP_CONTEXT IrpContext);
/* volinfo.c */
NTSTATUS
NTAPI
CdfsQueryVolumeInformation(
PCDFS_IRP_CONTEXT IrpContext);
NTSTATUS
NTAPI
CdfsSetVolumeInformation(
PCDFS_IRP_CONTEXT IrpContext);
#endif /* CDFS_H */
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