#include <dos.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 USE_ROS_CC_AND_FS
+#if 0
#ifndef _MSC_VER
#define ENABLE_SWAPOUT
#endif
+#endif
#define ROUND_DOWN(n, align) \
(((ULONG)n) & ~((align) - 1l))
#define ROUND_UP(n, align) \
ROUND_DOWN(((ULONG)n) + (align) - 1, (align))
+#define ROUND_DOWN_64(n, align) \
+ (((ULONGLONG)n) & ~((align) - 1LL))
+
+#define ROUND_UP_64(n, align) \
+ ROUND_DOWN_64(((ULONGLONG)n) + (align) - 1LL, (align))
+
#include <pshpack1.h>
struct _BootSector
{
#define LONGNAME_MAX_LENGTH 256 // max length for a long filename
-#define ENTRY_DELETED(DeviceExt, DirEntry) ((DeviceExt)->Flags & VCB_IS_FATX ? FATX_ENTRY_DELETED(&((DirEntry)->FatX)) : FAT_ENTRY_DELETED(&((DirEntry)->Fat)))
-#define ENTRY_VOLUME(DeviceExt, DirEntry) ((DeviceExt)->Flags & VCB_IS_FATX ? FATX_ENTRY_VOLUME(&((DirEntry)->FatX)) : FAT_ENTRY_VOLUME(&((DirEntry)->Fat)))
-#define ENTRY_END(DeviceExt, DirEntry) ((DeviceExt)->Flags & VCB_IS_FATX ? FATX_ENTRY_END(&((DirEntry)->FatX)) : FAT_ENTRY_END(&((DirEntry)->Fat)))
+#define ENTRY_DELETED(IsFatX, DirEntry) (IsFatX ? FATX_ENTRY_DELETED(&((DirEntry)->FatX)) : FAT_ENTRY_DELETED(&((DirEntry)->Fat)))
+#define ENTRY_VOLUME(IsFatX, DirEntry) (IsFatX ? FATX_ENTRY_VOLUME(&((DirEntry)->FatX)) : FAT_ENTRY_VOLUME(&((DirEntry)->Fat)))
+#define ENTRY_END(IsFatX, DirEntry) (IsFatX ? FATX_ENTRY_END(&((DirEntry)->FatX)) : FAT_ENTRY_END(&((DirEntry)->Fat)))
#define FAT_ENTRY_DELETED(DirEntry) ((DirEntry)->Filename[0] == 0xe5)
#define FAT_ENTRY_END(DirEntry) ((DirEntry)->Filename[0] == 0)
typedef struct
{
ULONG VolumeID;
+ CHAR VolumeLabel[11];
ULONG FATStart;
ULONG FATCount;
ULONG FATSectors;
struct _VFATFCB;
struct _VFAT_DIRENTRY_CONTEXT;
+struct _VFAT_MOVE_CONTEXT;
typedef struct _HASHENTRY
{
}
HASHENTRY;
-#define FCB_HASH_TABLE_SIZE 65536
-
typedef struct DEVICE_EXTENSION *PDEVICE_EXTENSION;
typedef NTSTATUS (*PGET_NEXT_CLUSTER)(PDEVICE_EXTENSION,ULONG,PULONG);
typedef NTSTATUS (*PFIND_AND_MARK_AVAILABLE_CLUSTER)(PDEVICE_EXTENSION,PULONG);
typedef NTSTATUS (*PWRITE_CLUSTER)(PDEVICE_EXTENSION,ULONG,ULONG,PULONG);
+typedef BOOLEAN (*PIS_DIRECTORY_EMPTY)(struct _VFATFCB*);
+typedef NTSTATUS (*PADD_ENTRY)(PDEVICE_EXTENSION,PUNICODE_STRING,struct _VFATFCB**,struct _VFATFCB*,ULONG,UCHAR,struct _VFAT_MOVE_CONTEXT*);
+typedef NTSTATUS (*PDEL_ENTRY)(PDEVICE_EXTENSION,struct _VFATFCB*,struct _VFAT_MOVE_CONTEXT*);
typedef NTSTATUS (*PGET_NEXT_DIR_ENTRY)(PVOID*,PVOID*,struct _VFATFCB*,struct _VFAT_DIRENTRY_CONTEXT*,BOOLEAN);
+typedef struct _VFAT_DISPATCH
+{
+ PIS_DIRECTORY_EMPTY IsDirectoryEmpty;
+ PADD_ENTRY AddEntry;
+ PDEL_ENTRY DelEntry;
+ PGET_NEXT_DIR_ENTRY GetNextDirEntry;
+} VFAT_DISPATCH, *PVFAT_DISPATCH;
+
+#define STATISTICS_SIZE_NO_PAD (sizeof(FILESYSTEM_STATISTICS) + sizeof(FAT_STATISTICS))
+typedef struct _STATISTICS {
+ FILESYSTEM_STATISTICS Base;
+ FAT_STATISTICS Fat;
+ UCHAR Pad[((STATISTICS_SIZE_NO_PAD + 0x3f) & ~0x3f) - STATISTICS_SIZE_NO_PAD];
+} STATISTICS, *PSTATISTICS;
+
typedef struct DEVICE_EXTENSION
{
ERESOURCE DirResource;
BOOLEAN AvailableClustersValid;
ULONG Flags;
struct _VFATFCB *VolumeFcb;
+ PSTATISTICS Statistics;
/* Pointers to functions for manipulating FAT. */
PGET_NEXT_CLUSTER GetNextCluster;
PWRITE_CLUSTER WriteCluster;
ULONG CleanShutBitMask;
- /* Pointers to functions for manipulating directory entries. */
- PGET_NEXT_DIR_ENTRY GetNextDirEntry;
-
ULONG BaseDateYear;
LIST_ENTRY VolumeListEntry;
/* VPBs for dismount */
PVPB IoVPB;
PVPB SpareVPB;
+
+ /* Pointers to functions for manipulating directory entries. */
+ VFAT_DISPATCH Dispatch;
} DEVICE_EXTENSION, VCB, *PVCB;
+FORCEINLINE
+BOOLEAN
+VfatIsDirectoryEmpty(PDEVICE_EXTENSION DeviceExt,
+ struct _VFATFCB* Fcb)
+{
+ return DeviceExt->Dispatch.IsDirectoryEmpty(Fcb);
+}
+
+FORCEINLINE
+NTSTATUS
+VfatAddEntry(PDEVICE_EXTENSION DeviceExt,
+ PUNICODE_STRING NameU,
+ struct _VFATFCB** Fcb,
+ struct _VFATFCB* ParentFcb,
+ ULONG RequestedOptions,
+ UCHAR ReqAttr,
+ struct _VFAT_MOVE_CONTEXT* MoveContext)
+{
+ return DeviceExt->Dispatch.AddEntry(DeviceExt, NameU, Fcb, ParentFcb, RequestedOptions, ReqAttr, MoveContext);
+}
+
+FORCEINLINE
+NTSTATUS
+VfatDelEntry(PDEVICE_EXTENSION DeviceExt,
+ struct _VFATFCB* Fcb,
+ struct _VFAT_MOVE_CONTEXT* MoveContext)
+{
+ return DeviceExt->Dispatch.DelEntry(DeviceExt, Fcb, MoveContext);
+}
+
+FORCEINLINE
+NTSTATUS
+VfatGetNextDirEntry(PDEVICE_EXTENSION DeviceExt,
+ PVOID *pContext,
+ PVOID *pPage,
+ struct _VFATFCB* pDirFcb,
+ struct _VFAT_DIRENTRY_CONTEXT* DirContext,
+ BOOLEAN First)
+{
+ return DeviceExt->Dispatch.GetNextDirEntry(pContext, pPage, pDirFcb, DirContext, First);
+}
+
+#define VFAT_BREAK_ON_CORRUPTION 1
+
typedef struct
{
PDRIVER_OBJECT DriverObject;
PDEVICE_OBJECT DeviceObject;
ULONG Flags;
+ ULONG NumberProcessors;
ERESOURCE VolumeListLock;
LIST_ENTRY VolumeListHead;
NPAGED_LOOKASIDE_LIST FcbLookasideList;
#define FCB_IS_PAGE_FILE 0x0008
#define FCB_IS_VOLUME 0x0010
#define FCB_IS_DIRTY 0x0020
-#define FCB_IS_FATX_ENTRY 0x0040
typedef struct _VFATFCB
{
/* List of FCB's for this volume */
LIST_ENTRY FcbListEntry;
+ /* List of FCB's for the parent */
+ LIST_ENTRY ParentListEntry;
+
/* pointer to the parent fcb */
struct _VFATFCB *parentFcb;
+ /* List for the children */
+ LIST_ENTRY ParentListHead;
+
/* Flags for the fcb */
ULONG Flags;
FILE_LOCK FileLock;
/*
- * Optimalization: caching of last read/write cluster+offset pair. Can't
+ * Optimization: caching of last read/write cluster+offset pair. Can't
* be in VFATCCB because it must be reset everytime the allocated clusters
* change.
*/
ULONG LastOffset;
} VFATFCB, *PVFATFCB;
+#define CCB_DELETE_ON_CLOSE 0x0001
+
typedef struct _VFATCCB
{
LARGE_INTEGER CurrentByteOffset;
+ ULONG Flags;
/* for DirectoryControl */
ULONG Entry;
/* for DirectoryControl */
}
DOSDATE, *PDOSDATE;
-#define IRPCONTEXT_CANWAIT 0x0001
-#define IRPCONTEXT_PENDINGRETURNED 0x0002
+#define IRPCONTEXT_CANWAIT 0x0001
+#define IRPCONTEXT_COMPLETE 0x0002
+#define IRPCONTEXT_QUEUE 0x0004
+#define IRPCONTEXT_PENDINGRETURNED 0x0008
typedef struct
{
PFILE_OBJECT FileObject;
ULONG RefCount;
KEVENT Event;
+ CCHAR PriorityBoost;
} VFAT_IRP_CONTEXT, *PVFAT_IRP_CONTEXT;
typedef struct _VFAT_DIRENTRY_CONTEXT
ULONG FileSize;
USHORT CreationDate;
USHORT CreationTime;
+ BOOLEAN InPlace;
} VFAT_MOVE_CONTEXT, *PVFAT_MOVE_CONTEXT;
+FORCEINLINE
+NTSTATUS
+VfatMarkIrpContextForQueue(PVFAT_IRP_CONTEXT IrpContext)
+{
+ PULONG Flags = &IrpContext->Flags;
+
+ *Flags &= ~IRPCONTEXT_COMPLETE;
+ *Flags |= IRPCONTEXT_QUEUE;
+
+ return STATUS_PENDING;
+}
+
+FORCEINLINE
+BOOLEAN
+vfatFCBIsDirectory(PVFATFCB FCB)
+{
+ return BooleanFlagOn(*FCB->Attributes, FILE_ATTRIBUTE_DIRECTORY);
+}
+
+FORCEINLINE
+BOOLEAN
+vfatFCBIsReadOnly(PVFATFCB FCB)
+{
+ return BooleanFlagOn(*FCB->Attributes, FILE_ATTRIBUTE_READONLY);
+}
+
+FORCEINLINE
+BOOLEAN
+vfatVolumeIsFatX(PDEVICE_EXTENSION DeviceExt)
+{
+ return BooleanFlagOn(DeviceExt->Flags, VCB_IS_FATX);
+}
+
+#define vfatAddToStat(Vcb, Stat, Inc) \
+{ \
+ PSTATISTICS Stats = &(Vcb)->Statistics[KeGetCurrentProcessorNumber() % VfatGlobalData->NumberProcessors]; \
+ Stats->Stat += Inc; \
+}
+
/* blockdev.c */
NTSTATUS
PFAT_DIR_ENTRY pEntry,
PUNICODE_STRING NameU);
-NTSTATUS
-ReadVolumeLabel(
- PDEVICE_EXTENSION DeviceExt,
- PVPB Vpb);
-
/* dir.c */
NTSTATUS
PDEVICE_EXTENSION pDeviceExt,
PDIR_ENTRY pDirEntry);
-BOOLEAN
-VfatIsDirectoryEmpty(
- PVFATFCB Fcb);
-
-NTSTATUS
-FATGetNextDirEntry(
- PVOID *pContext,
- PVOID *pPage,
- IN PVFATFCB pDirFcb,
- IN PVFAT_DIRENTRY_CONTEXT DirContext,
- BOOLEAN First);
-
-NTSTATUS
-FATXGetNextDirEntry(
- PVOID *pContext,
- PVOID *pPage,
- IN PVFATFCB pDirFcb,
- IN PVFAT_DIRENTRY_CONTEXT DirContext,
- BOOLEAN First);
-
/* dirwr.c */
-NTSTATUS
-VfatAddEntry(
- PDEVICE_EXTENSION DeviceExt,
- PUNICODE_STRING PathNameU,
- PVFATFCB* Fcb,
- PVFATFCB ParentFcb,
- ULONG RequestedOptions,
- UCHAR ReqAttr,
- PVFAT_MOVE_CONTEXT MoveContext);
-
NTSTATUS
VfatUpdateEntry(
- PVFATFCB pFcb);
-
-NTSTATUS
-VfatDelEntry(
- PDEVICE_EXTENSION,
- PVFATFCB,
- PVFAT_MOVE_CONTEXT);
+ PVFATFCB pFcb,
+ IN BOOLEAN IsFatX);
BOOLEAN
vfatFindDirSpace(
PDEVICE_EXTENSION pVCB,
PUNICODE_STRING pFileNameU);
+NTSTATUS
+vfatSetFCBNewDirName(
+ PDEVICE_EXTENSION pVCB,
+ PVFATFCB Fcb,
+ PVFATFCB ParentFcb);
+
NTSTATUS
vfatUpdateFCB(
PDEVICE_EXTENSION pVCB,
PVFATFCB Fcb,
- PUNICODE_STRING LongName,
- PUNICODE_STRING ShortName,
+ PVFAT_DIRENTRY_CONTEXT DirContext,
PVFATFCB ParentFcb);
VOID
/* finfo.c */
+NTSTATUS
+VfatGetStandardInformation(
+ PVFATFCB FCB,
+ PFILE_STANDARD_INFORMATION StandardInfo,
+ PULONG BufferLength);
+
+NTSTATUS
+VfatGetBasicInformation(
+ PFILE_OBJECT FileObject,
+ PVFATFCB FCB,
+ PDEVICE_EXTENSION DeviceExt,
+ PFILE_BASIC_INFORMATION BasicInfo,
+ PULONG BufferLength);
+
NTSTATUS
VfatQueryInformation(
PVFAT_IRP_CONTEXT IrpContext);
/* misc.c */
-NTSTATUS
-VfatQueueRequest(
- PVFAT_IRP_CONTEXT IrpContext);
-
-PVFAT_IRP_CONTEXT
-VfatAllocateIrpContext(
- PDEVICE_OBJECT DeviceObject,
- PIRP Irp);
-
-VOID
-VfatFreeIrpContext(
- PVFAT_IRP_CONTEXT IrpContext);
-
DRIVER_DISPATCH
VfatBuildRequest;
PVOID
VfatGetUserBuffer(
- IN PIRP);
+ IN PIRP,
+ IN BOOLEAN Paging);
NTSTATUS
VfatLockUserBuffer(
projects / reactos.git / blobdiff