/*
* FFS File System Driver for Windows
*
* ffsdrv.h
*
* 2004.5.6 ~
*
* Lee Jae-Hong, http://www.pyrasis.com
*
*/
#ifndef _FFS_HEADER_
#define _FFS_HEADER_
/* include files */
#ifdef __REACTOS__
#include <ntifs.h>
#include <ntddk.h>
#include <ntdddisk.h>
#include <pseh/pseh2.h>
#endif
#include "fs.h"
#include "dinode.h"
#include "dir.h"
#include "disklabel.h"
#ifndef __REACTOS__
#include <ntdddisk.h>
#endif
#ifndef _PREFAST_
#ifdef _MSC_VER
#pragma warning(disable:4068)
#endif
#define __drv_mustHoldCriticalRegion
#endif // !_PREFAST_
#pragma pack(1)
/* debug */
#if DBG
#define FFSBreakPoint() /*__asm int 3*/ //DbgBreakPoint()
#else
#define FFSBreakPoint()
#endif
/* Structs & Consts */
#define FFSDRV_VERSION "0.5.2"
/*
* ffsdrv build options
*/
/* To build read-only driver */
#define FFS_READ_ONLY TRUE
/* To support driver dynamics unload */
#define FFS_UNLOAD TRUE
/*
* Constants
*/
#define FFS_BLOCK_TYPES (0x04)
#define MAXIMUM_RECORD_LENGTH (0x10000)
#define SECTOR_BITS (Vcb->SectorBits)
#define SECTOR_SIZE (Vcb->DiskGeometry.BytesPerSector)
#define DEFAULT_SECTOR_SIZE (0x200)
#define SUPER_BLOCK_OFFSET (0x2000)
#define SUPER_BLOCK_SIZE SBLOCKSIZE
#define READ_AHEAD_GRANULARITY (0x10000)
#define SUPER_BLOCK (Vcb->ffs_super_block)
#define FS_VERSION (Vcb->FSVersion)
#define BLOCK_SIZE (Vcb->BlockSize)
#define BLOCK_BITS FFSLog2(Vcb->BlockSize)
#define INODES_COUNT (Vcb->ffs_super_block->s_inodes_count)
#define INODES_PER_GROUP (SUPER_BLOCK->fs_ipg)
#define BLOCKS_PER_GROUP (SUPER_BLOCK->fs_fpg)
#define TOTAL_BLOCKS (SUPER_BLOCK->fs_size)
/* File System Releated */
#define DRIVER_NAME "FFS"
#ifndef __REACTOS__
#define DEVICE_NAME L"\\FileSystem\\FFS"
#else
#define DEVICE_NAME L"\\FFS"
#endif
/* Registry */
#define PARAMETERS_KEY L"\\Parameters"
#define WRITING_SUPPORT L"WritingSupport"
#define CHECKING_BITMAP L"CheckingBitmap"
#define PARTITION_NUMBER L"PartitionNumber"
/* To support select BSD partition and ffsdrv unload routine */
#define DOS_DEVICE_NAME L"\\DosDevices\\ffs"
/*
* Private IOCTL to make the driver ready to unload
*/
#if FFS_UNLOAD
#define IOCTL_PREPARE_TO_UNLOAD \
CTL_CODE(FILE_DEVICE_UNKNOWN, 2048, METHOD_NEITHER, FILE_WRITE_ACCESS)
#endif // FFS_UNLOAD
/*
* Private IOCTL to select BSD partition.
*/
#define IOCTL_SELECT_BSD_PARTITION \
CTL_CODE(FILE_DEVICE_UNKNOWN, 2049, METHOD_BUFFERED, FILE_WRITE_ACCESS)
#ifndef SetFlag
#define SetFlag(x,f) ((x) |= (f))
#endif
#ifndef ClearFlag
#define ClearFlag(x,f) ((x) &= ~(f))
#endif
#define IsFlagOn(a,b) ((BOOLEAN)(FlagOn(a,b) == b))
#define FFSRaiseStatus(IRPCONTEXT,STATUS) { \
(IRPCONTEXT)->ExceptionCode = (STATUS); \
ExRaiseStatus( (STATUS) ); \
}
#define FFSNormalizeAndRaiseStatus(IRPCONTEXT,STATUS) { \
/* (IRPCONTEXT)->ExceptionStatus = (STATUS); */ \
if ((STATUS) == STATUS_VERIFY_REQUIRED) { ExRaiseStatus((STATUS)); } \
ExRaiseStatus(FsRtlNormalizeNtstatus((STATUS),STATUS_UNEXPECTED_IO_ERROR)); \
}
/*
* Define IsEndofFile for read and write operations
*/
#define FILE_WRITE_TO_END_OF_FILE 0xffffffff
#define FILE_USE_FILE_POINTER_POSITION 0xfffffffe
#define IsEndOfFile(Pos) ((Pos.LowPart == FILE_WRITE_TO_END_OF_FILE) && \
(Pos.HighPart == FILE_USE_FILE_POINTER_POSITION ))
#define IsDirectory(Fcb) IsFlagOn(Fcb->FFSMcb->FileAttr, FILE_ATTRIBUTE_DIRECTORY)
/*
* Bug Check Codes Definitions
*/
#define FFS_FILE_SYSTEM (FILE_SYSTEM)
#define FFS_BUGCHK_BLOCK (0x00010000)
#define FFS_BUGCHK_CLEANUP (0x00020000)
#define FFS_BUGCHK_CLOSE (0x00030000)
#define FFS_BUGCHK_CMCB (0x00040000)
#define FFS_BUGCHK_CREATE (0x00050000)
#define FFS_BUGCHK_DEBUG (0x00060000)
#define FFS_BUGCHK_DEVCTL (0x00070000)
#define FFS_BUGCHK_DIRCTL (0x00080000)
#define FFS_BUGCHK_DISPATCH (0x00090000)
#define FFS_BUGCHK_EXCEPT (0x000A0000)
#define FFS_BUGCHK_FFS (0x000B0000)
#define FFS_BUGCHK_FASTIO (0x000C0000)
#define FFS_BUGCHK_FILEINFO (0x000D0000)
#define FFS_BUGCHK_FLUSH (0x000E0000)
#define FFS_BUGCHK_FSCTL (0x000F0000)
#define FFS_BUGCHK_INIT (0x00100000)
#define FFS_BUGCHK_LOCK (0x0011000)
#define FFS_BUGCHK_MEMORY (0x0012000)
#define FFS_BUGCHK_MISC (0x0013000)
#define FFS_BUGCHK_READ (0x00140000)
#define FFS_BUGCHK_SHUTDOWN (0x00150000)
#define FFS_BUGCHK_VOLINFO (0x00160000)
#define FFS_BUGCHK_WRITE (0x00170000)
#define FFS_BUGCHK_LAST (0x00170000)
#define FFSBugCheck(A,B,C,D) { KeBugCheckEx(FFS_FILE_SYSTEM, A | __LINE__, B, C, D ); }
/* FFS file system definions */
/*
* Structure of a directory entry
*/
#define FFS_NAME_LEN 255
#define FFS_ROOT_INO 2 /* Root inode */
/*
* FFS_DIR_PAD defines the directory entries boundaries
*
* NOTE: It must be a multiple of 4
*/
#define FFS_DIR_PAD 4
#define FFS_DIR_ROUND (FFS_DIR_PAD - 1)
#define FFS_DIR_REC_LEN(name_len) (((name_len) + 8 + FFS_DIR_ROUND) & \
~FFS_DIR_ROUND)
/* sys/sys/stat.h */
#define S_ISDIR(m) ((m & _S_IFMT) == _S_IFDIR) /* directory */
#define S_ISCHR(m) ((m & _S_IFMT) == _S_IFCHR) /* char special */
#define S_ISBLK(m) ((m & _S_IFMT) == _S_IFBLK) /* block special */
#define S_ISREG(m) ((m & _S_IFMT) == _S_IFREG) /* regular file */
#define S_ISFIFO(m) ((m & _S_IFMT) == _S_IFIFO) /* fifo */
#define S_ISLNK(m) ((m & _S_IFMT) == _S_IFLNK) /* symbolic link */
#define S_ISSOCK(m) ((m & _S_IFMT) == _S_IFSOCK) /* socket */
#define S_ISWHT(m) ((m & _S_IFMT) == _S_IFWHT) /* whiteout */
#define S_IPERMISSION_MASK 0x1FF /* */
#define S_IRWXU 0000700 /* RWX mask for owner */
#define S_IRUSR 0000400 /* R for owner */
#define S_IWUSR 0000200 /* W for owner */
#define S_IXUSR 0000100 /* X for owner */
#define S_IRWXG 0000070 /* RWX mask for group */
#define S_IRGRP 0000040 /* R for group */
#define S_IWGRP 0000020 /* W for group */
#define S_IXGRP 0000010 /* X for group */
#define S_IRWXO 0000007 /* RWX mask for other */
#define S_IROTH 0000004 /* R for other */
#define S_IWOTH 0000002 /* W for other */
#define S_IXOTH 0000001 /* X for other */
#define S_ISREADABLE(m) (((m) & S_IPERMISSION_MASK) == (S_IRUSR | S_IRGRP | S_IROTH))
#define S_ISWRITABLE(m) (((m) & S_IPERMISSION_MASK) == (S_IWUSR | S_IWGRP | S_IWOTH))
#define FFSSetReadable(m) (m) = ((m) | (S_IRUSR | S_IRGRP | S_IROTH))
#define FFSSetWritable(m) (m) = ((m) | (S_IWUSR | S_IWGRP | S_IWOTH))
#define FFSSetReadOnly(m) (m) = ((m) & (~(S_IWUSR | S_IWGRP | S_IWOTH)))
#define FFSIsReadOnly(m) (!((m) & (S_IWUSR | S_IWGRP | S_IWOTH)))
#define FFS_FIRST_DATA_BLOCK (Vcb->ffs_super_block->fs_dblkno)
typedef struct fs FFS_SUPER_BLOCK, *PFFS_SUPER_BLOCK;
typedef struct disklabel DISKLABEL, *PDISKLABEL;
typedef struct ufs1_dinode FFSv1_INODE, *PFFSv1_INODE;
typedef struct ufs2_dinode FFSv2_INODE, *PFFSv2_INODE;
typedef struct direct FFS_DIR_ENTRY, *PFFS_DIR_ENTRY;
/*
* ffsdrv Driver Definitions
*/
/*
* FFS_IDENTIFIER_TYPE
*
* Identifiers used to mark the structures
*/
typedef enum _FFS_IDENTIFIER_TYPE {
FFSFGD = ':DGF',
FFSVCB = ':BCV',
FFSFCB = ':BCF',
FFSCCB = ':BCC',
FFSICX = ':XCI',
FFSDRV = ':VRD',
FFSMCB = ':BCM'
} FFS_IDENTIFIER_TYPE;
/*
* FFS_IDENTIFIER
*
* Header used to mark the structures
*/
typedef struct _FFS_IDENTIFIER {
FFS_IDENTIFIER_TYPE Type;
ULONG Size;
} FFS_IDENTIFIER, *PFFS_IDENTIFIER;
#define NodeType(Ptr) (*((FFS_IDENTIFIER_TYPE *)(Ptr)))
typedef struct _FFS_MCB FFS_MCB, *PFFS_MCB;
typedef PVOID PBCB;
/*
* REPINNED_BCBS List
*/
#define FFS_REPINNED_BCBS_ARRAY_SIZE (8)
typedef struct _FFS_REPINNED_BCBS {
//
// A pointer to the next structure contains additional repinned bcbs
//
struct _FFS_REPINNED_BCBS *Next;
//
// A fixed size array of pinned bcbs. Whenever a new bcb is added to
// the repinned bcb structure it is added to this array. If the
// array is already full then another repinned bcb structure is allocated
// and pointed to with Next.
//
PBCB Bcb[ FFS_REPINNED_BCBS_ARRAY_SIZE ];
} FFS_REPINNED_BCBS, *PFFS_REPINNED_BCBS;
/*
* FFS_BSD_PARTITION
*/
typedef struct _FFS_BSD_PARTITION
{
ULONG Number;
} FFS_BSD_PARTITION, *PFFS_BSD_PARTITION;
/*
* FFS_GLOBAL_DATA
*
* Data that is not specific to a mounted volume
*/
typedef struct _FFS_GLOBAL {
// Identifier for this structure
FFS_IDENTIFIER Identifier;
// Syncronization primitive for this structure
ERESOURCE Resource;
// Syncronization primitive for Counting
ERESOURCE CountResource;
// Syncronization primitive for LookAside Lists
ERESOURCE LAResource;
// Table of pointers to the fast I/O entry points
FAST_IO_DISPATCH FastIoDispatch;
// Table of pointers to the Cache Manager callbacks
CACHE_MANAGER_CALLBACKS CacheManagerCallbacks;
CACHE_MANAGER_CALLBACKS CacheManagerNoOpCallbacks;
// Pointer to the driver object
PDRIVER_OBJECT DriverObject;
// Pointer to the main device object
PDEVICE_OBJECT DeviceObject;
// List of mounted volumes
LIST_ENTRY VcbList;
// Look Aside table of IRP_CONTEXT, FCB, MCB, CCB
USHORT MaxDepth;
NPAGED_LOOKASIDE_LIST FFSIrpContextLookasideList;
NPAGED_LOOKASIDE_LIST FFSFcbLookasideList;
NPAGED_LOOKASIDE_LIST FFSCcbLookasideList;
PAGED_LOOKASIDE_LIST FFSMcbLookasideList;
// Mcb Count ...
USHORT McbAllocated;
#if DBG
// Fcb Count
USHORT FcbAllocated;
// IRP_MJ_CLOSE : FCB
USHORT IRPCloseCount;
#endif
// Global flags for the driver
ULONG Flags;
ULONG PartitionNumber;
} FFS_GLOBAL, *PFFS_GLOBAL;
/*
* Flags for FFS_GLOBAL_DATA
*/
#define FFS_UNLOAD_PENDING 0x00000001
#define FFS_SUPPORT_WRITING 0x00000002
#define FFS_CHECKING_BITMAP 0x00000008
/*
* Driver Extension define
*/
typedef struct {
FFS_GLOBAL FFSGlobal;
} FFS_EXT, *PFFS_EXT;
typedef struct _FFS_FCBVCB {
// FCB header required by NT
FSRTL_COMMON_FCB_HEADER CommonFCBHeader;
SECTION_OBJECT_POINTERS SectionObject;
ERESOURCE MainResource;
ERESOURCE PagingIoResource;
// end FCB header required by NT
// Identifier for this structure
FFS_IDENTIFIER Identifier;
} FFS_FCBVCB, *PFFS_FCBVCB;
/*
* FFS_VCB Volume Control Block
*
* Data that represents a mounted logical volume
* It is allocated as the device extension of the volume device object
*/
typedef struct _FFS_VCB {
// FCB header required by NT
// The VCB is also used as an FCB for file objects
// that represents the volume itself
FSRTL_COMMON_FCB_HEADER Header;
SECTION_OBJECT_POINTERS SectionObject;
ERESOURCE MainResource;
ERESOURCE PagingIoResource;
// end FCB header required by NT
// Identifier for this structure
FFS_IDENTIFIER Identifier;
LIST_ENTRY Next;
// Share Access for the file object
SHARE_ACCESS ShareAccess;
// Incremented on IRP_MJ_CREATE, decremented on IRP_MJ_CLEANUP
// for files on this volume.
ULONG OpenFileHandleCount;
// Incremented on IRP_MJ_CREATE, decremented on IRP_MJ_CLOSE
// for both files on this volume and open instances of the
// volume itself.
ULONG ReferenceCount;
ULONG OpenHandleCount;
//
// Disk change count
//
ULONG ChangeCount;
// Pointer to the VPB in the target device object
PVPB Vpb;
// The FileObject of Volume used to lock the volume
PFILE_OBJECT LockFile;
// List of FCBs for open files on this volume
LIST_ENTRY FcbList;
// List of IRPs pending on directory change notify requests
LIST_ENTRY NotifyList;
// Pointer to syncronization primitive for this list
PNOTIFY_SYNC NotifySync;
// This volumes device object
PDEVICE_OBJECT DeviceObject;
// The physical device object (the disk)
PDEVICE_OBJECT TargetDeviceObject;
// The physical device object (the disk)
PDEVICE_OBJECT RealDevice;
// Information about the physical device object
DISK_GEOMETRY DiskGeometry;
PARTITION_INFORMATION PartitionInformation;
// File System Super Block
PFFS_SUPER_BLOCK ffs_super_block;
// File System version
ULONG FSVersion;
// Number of Group Decsciptions
ULONG ffs_groups;
/*
// Bitmap Block per group
PRTL_BITMAP BlockBitMaps;
PRTL_BITMAP InodeBitMaps;
*/
// Block / Cluster size
ULONG BlockSize;
// Sector size in bits
ULONG SectorBits;
ULONG dwData[FFS_BLOCK_TYPES];
ULONG dwMeta[FFS_BLOCK_TYPES];
// Flags for the volume
ULONG Flags;
// Streaming File Object
PFILE_OBJECT StreamObj;
// Resource Lock for Mcb
ERESOURCE McbResource;
// Dirty Mcbs of modifications for volume stream
LARGE_MCB DirtyMcbs;
// Entry of Mcb Tree (Root Node)
PFFS_MCB McbTree;
LIST_ENTRY McbList;
ULONGLONG FSOffset[MAXPARTITIONS];
ULONG RootPartition;
ULONG PartitionNumber;
} FFS_VCB, *PFFS_VCB;
/*
* Flags for FFS_VCB
*/
#define VCB_INITIALIZED 0x00000001
#define VCB_VOLUME_LOCKED 0x00000002
#define VCB_MOUNTED 0x00000004
#define VCB_DISMOUNT_PENDING 0x00000008
#define VCB_READ_ONLY 0x00000010
#define VCB_WRITE_PROTECTED 0x10000000
#define VCB_FLOPPY_DISK 0x20000000
#define VCB_REMOVAL_PREVENTED 0x40000000
#define VCB_REMOVABLE_MEDIA 0x80000000
#define IsMounted(Vcb) (IsFlagOn(Vcb->Flags, VCB_MOUNTED))
/*
* FFS_FCB File Control Block
*
* Data that represents an open file
* There is a single instance of the FCB for every open file
*/
typedef struct _FFS_FCB {
// FCB header required by NT
FSRTL_COMMON_FCB_HEADER Header;
SECTION_OBJECT_POINTERS SectionObject;
ERESOURCE MainResource;
ERESOURCE PagingIoResource;
// end FCB header required by NT
// Identifier for this structure
FFS_IDENTIFIER Identifier;
// List of FCBs for this volume
LIST_ENTRY Next;
// Share Access for the file object
SHARE_ACCESS ShareAccess;
// List of byte-range locks for this file
FILE_LOCK FileLockAnchor;
// Incremented on IRP_MJ_CREATE, decremented on IRP_MJ_CLEANUP
ULONG OpenHandleCount;
// Incremented on IRP_MJ_CREATE, decremented on IRP_MJ_CLOSE
ULONG ReferenceCount;
// Incremented on IRP_MJ_CREATE, decremented on IRP_MJ_CLEANUP
// But only for Files with FO_NO_INTERMEDIATE_BUFFERING flag
ULONG NonCachedOpenCount;
// Flags for the FCB
ULONG Flags;
// Pointer to the inode
PFFSv1_INODE dinode1;
PFFSv2_INODE dinode2;
// Hint block for next allocation
ULONG BlkHint;
// Vcb
PFFS_VCB Vcb;
// Mcb Node ...
PFFS_MCB FFSMcb;
// Full Path Name
UNICODE_STRING LongName;
#if DBG
// The Ansi Filename for debugging
OEM_STRING AnsiFileName;
#endif
} FFS_FCB, *PFFS_FCB;
//
// Flags for FFS_FCB
//
#define FCB_FROM_POOL 0x00000001
#define FCB_PAGE_FILE 0x00000002
#define FCB_DELETE_ON_CLOSE 0x00000004
#define FCB_DELETE_PENDING 0x00000008
#define FCB_FILE_DELETED 0x00000010
#define FCB_FILE_MODIFIED 0x00000020
// Mcb Node
struct _FFS_MCB {
// Identifier for this structure
FFS_IDENTIFIER Identifier;
// Flags
ULONG Flags;
// Link List Info
PFFS_MCB Parent; // Parent
PFFS_MCB Child; // Children
PFFS_MCB Next; // Brothers
// Mcb Node Info
// -> Fcb
PFFS_FCB FFSFcb;
// Short name
UNICODE_STRING ShortName;
// Inode number
ULONG Inode;
// Dir entry offset in parent
ULONG DeOffset;
// File attribute
ULONG FileAttr;
// List Link to Vcb->McbList
LIST_ENTRY Link;
};
/*
* Flags for MCB
*/
#define MCB_FROM_POOL 0x00000001
#define MCB_IN_TREE 0x00000002
#define MCB_IN_USE 0x00000004
#define IsMcbUsed(Mcb) IsFlagOn(Mcb->Flags, MCB_IN_USE)
/*
* FFS_CCB Context Control Block
*
* Data that represents one instance of an open file
* There is one instance of the CCB for every instance of an open file
*/
typedef struct _FFS_CCB {
// Identifier for this structure
FFS_IDENTIFIER Identifier;
// Flags
ULONG Flags;
// State that may need to be maintained
ULONG CurrentByteOffset;
UNICODE_STRING DirectorySearchPattern;
} FFS_CCB, *PFFS_CCB;
/*
* Flags for CCB
*/
#define CCB_FROM_POOL 0x00000001
#define CCB_ALLOW_EXTENDED_DASD_IO 0x80000000
/*
* FFS_IRP_CONTEXT
*
* Used to pass information about a request between the drivers functions
*/
typedef struct _FFS_IRP_CONTEXT {
// Identifier for this structure
FFS_IDENTIFIER Identifier;
// Pointer to the IRP this request describes
PIRP Irp;
// Flags
ULONG Flags;
// The major and minor function code for the request
UCHAR MajorFunction;
UCHAR MinorFunction;
// The device object
PDEVICE_OBJECT DeviceObject;
// The real device object
PDEVICE_OBJECT RealDevice;
// The file object
PFILE_OBJECT FileObject;
PFFS_FCB Fcb;
PFFS_CCB Ccb;
// If the request is synchronous (we are allowed to block)
BOOLEAN IsSynchronous;
// If the request is top level
BOOLEAN IsTopLevel;
// Used if the request needs to be queued for later processing
WORK_QUEUE_ITEM WorkQueueItem;
// If an exception is currently in progress
BOOLEAN ExceptionInProgress;
// The exception code when an exception is in progress
NTSTATUS ExceptionCode;
// Repinned BCBs List
FFS_REPINNED_BCBS Repinned;
} FFS_IRP_CONTEXT, *PFFS_IRP_CONTEXT;
#define IRP_CONTEXT_FLAG_FROM_POOL (0x00000001)
#define IRP_CONTEXT_FLAG_WAIT (0x00000002)
#define IRP_CONTEXT_FLAG_WRITE_THROUGH (0x00000004)
#define IRP_CONTEXT_FLAG_FLOPPY (0x00000008)
#define IRP_CONTEXT_FLAG_RECURSIVE_CALL (0x00000010)
#define IRP_CONTEXT_FLAG_DISABLE_POPUPS (0x00000020)
#define IRP_CONTEXT_FLAG_DEFERRED (0x00000040)
#define IRP_CONTEXT_FLAG_VERIFY_READ (0x00000080)
#define IRP_CONTEXT_STACK_IO_CONTEXT (0x00000100)
#define IRP_CONTEXT_FLAG_REQUEUED (0x00000200)
#define IRP_CONTEXT_FLAG_USER_IO (0x00000400)
#define IRP_CONTEXT_FLAG_DELAY_CLOSE (0x00000800)
/*
* FFS_ALLOC_HEADER
*
* In the checked version of the driver this header is put in the beginning of
* every memory allocation
*/
typedef struct _FFS_ALLOC_HEADER {
FFS_IDENTIFIER Identifier;
} FFS_ALLOC_HEADER, *PFFS_ALLOC_HEADER;
typedef struct _FCB_LIST_ENTRY {
PFFS_FCB Fcb;
LIST_ENTRY Next;
} FCB_LIST_ENTRY, *PFCB_LIST_ENTRY;
/* Block Description List */
typedef struct _FFS_BDL {
LONGLONG Lba;
ULONG Offset;
ULONG Length;
PIRP Irp;
} FFS_BDL, *PFFS_BDL;
#pragma pack()
/*
* The following macro is used to determine if an FSD thread can block
* for I/O or wait for a resource. It returns TRUE if the thread can
* block and FALSE otherwise. This attribute can then be used to call
* the FSD & FSP common work routine with the proper wait value.
*/
#define CanFFSWait(IRP) IoIsOperationSynchronous(Irp)
#define FFS_POOL_TAG 'dsfF'
//
// Block.c
//
NTSTATUS
FFSLockUserBuffer(
IN PIRP Irp,
IN ULONG Length,
IN LOCK_OPERATION Operation);
PVOID
FFSGetUserBuffer(
IN PIRP Irp);
NTSTATUS
FFSReadWriteBlocks(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb,
IN PFFS_BDL FFSBDL,
IN ULONG Length,
IN ULONG Count,
IN BOOLEAN bVerify);
NTSTATUS
FFSReadSync(
IN PFFS_VCB Vcb,
IN ULONGLONG Offset,
IN ULONG Length,
OUT PVOID Buffer,
IN BOOLEAN bVerify);
NTSTATUS
FFSReadDisk(
IN PFFS_VCB Vcb,
IN ULONGLONG Offset,
IN ULONG Size,
IN PVOID Buffer,
IN BOOLEAN bVerify);
NTSTATUS
FFSDiskIoControl(
IN PDEVICE_OBJECT DeviceOjbect,
IN ULONG IoctlCode,
IN PVOID InputBuffer,
IN ULONG InputBufferSize,
IN OUT PVOID OutputBuffer,
IN OUT PULONG OutputBufferSize);
__drv_mustHoldCriticalRegion
VOID
FFSMediaEjectControl(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb,
IN BOOLEAN bPrevent);
NTSTATUS
FFSDiskShutDown(
PFFS_VCB Vcb);
//
// Cleanup.c
//
__drv_mustHoldCriticalRegion
NTSTATUS
FFSCleanup(
IN PFFS_IRP_CONTEXT IrpContext);
//
// Close.c
//
__drv_mustHoldCriticalRegion
NTSTATUS
FFSClose(
IN PFFS_IRP_CONTEXT IrpContext);
VOID
FFSQueueCloseRequest(
IN PFFS_IRP_CONTEXT IrpContext);
#ifdef _PREFAST_
IO_WORKITEM_ROUTINE FFSDeQueueCloseRequest;
#endif // _PREFAST_
VOID NTAPI
FFSDeQueueCloseRequest(
IN PVOID Context);
//
// Cmcb.c
//
__drv_mustHoldCriticalRegion
BOOLEAN NTAPI
FFSAcquireForLazyWrite(
IN PVOID Context,
IN BOOLEAN Wait);
__drv_mustHoldCriticalRegion
VOID NTAPI
FFSReleaseFromLazyWrite(
IN PVOID Context);
__drv_mustHoldCriticalRegion
BOOLEAN NTAPI
FFSAcquireForReadAhead(
IN PVOID Context,
IN BOOLEAN Wait);
BOOLEAN NTAPI
FFSNoOpAcquire(
IN PVOID Fcb,
IN BOOLEAN Wait);
VOID NTAPI
FFSNoOpRelease(
IN PVOID Fcb);
__drv_mustHoldCriticalRegion
VOID NTAPI
FFSReleaseFromReadAhead(
IN PVOID Context);
//
// Create.c
//
PFFS_FCB
FFSSearchFcbList(
IN PFFS_VCB Vcb,
IN ULONG inode);
NTSTATUS
FFSv1ScanDir(
IN PFFS_VCB Vcb,
IN PFFS_MCB ParentMcb,
IN PUNICODE_STRING FileName,
IN OUT PULONG Index,
IN PFFSv1_INODE dinode1,
IN PFFS_DIR_ENTRY ffs_dir);
NTSTATUS
FFSv2ScanDir(
IN PFFS_VCB Vcb,
IN PFFS_MCB ParentMcb,
IN PUNICODE_STRING FileName,
IN OUT PULONG Index,
IN PFFSv2_INODE dinode2,
IN PFFS_DIR_ENTRY ffs_dir);
NTSTATUS
FFSv1LookupFileName(
IN PFFS_VCB Vcb,
IN PUNICODE_STRING FullFileName,
IN PFFS_MCB ParentMcb,
OUT PFFS_MCB* FFSMcb,
IN OUT PFFSv1_INODE dinode1);
NTSTATUS
FFSv2LookupFileName(
IN PFFS_VCB Vcb,
IN PUNICODE_STRING FullFileName,
IN PFFS_MCB ParentMcb,
OUT PFFS_MCB* FFSMcb,
IN OUT PFFSv2_INODE dinode2);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSCreateFile(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSCreateVolume(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSCreate(
IN PFFS_IRP_CONTEXT IrpContext);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSCreateInode(
PFFS_IRP_CONTEXT IrpContext,
PFFS_VCB Vcb,
PFFS_FCB ParentFcb,
ULONG Type,
ULONG FileAttr,
PUNICODE_STRING FileName);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSSupersedeOrOverWriteFile(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb,
IN PFFS_FCB Fcb,
IN ULONG Disposition);
//
// Debug.c
//
#define DBG_VITAL 0
#define DBG_ERROR 1
#define DBG_USER 2
#define DBG_TRACE 3
#define DBG_INFO 4
#define DBG_FUNC 5
#if DBG
#define FFSPrint(arg) FFSPrintf arg
#define FFSPrintNoIndent(arg) FFSNIPrintf arg
#define FFSCompleteRequest(Irp, bPrint, PriorityBoost) \
FFSDbgPrintComplete(Irp, bPrint); \
IoCompleteRequest(Irp, PriorityBoost)
#else
#define FFSPrint(arg)
#define FFSCompleteRequest(Irp, bPrint, PriorityBoost) \
IoCompleteRequest(Irp, PriorityBoost)
#endif // DBG
VOID
__cdecl
FFSPrintf(
LONG DebugPrintLevel,
PCHAR DebugMessage,
...);
VOID
__cdecl
FFSNIPrintf(
LONG DebugPrintLevel,
PCHAR DebugMessage,
...);
extern ULONG ProcessNameOffset;
#define FFSGetCurrentProcessName() ( \
(PCHAR) PsGetCurrentProcess() + ProcessNameOffset \
)
ULONG
FFSGetProcessNameOffset(
VOID);
VOID
FFSDbgPrintCall(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp);
VOID
FFSDbgPrintComplete(
IN PIRP Irp,
IN BOOLEAN bPrint);
PCHAR
FFSNtStatusToString(
IN NTSTATUS Status);
//
// Devctl.c
//
__drv_mustHoldCriticalRegion
NTSTATUS
FFSDeviceControlNormal(
IN PFFS_IRP_CONTEXT IrpContext);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSPrepareToUnload(
IN PFFS_IRP_CONTEXT IrpContext);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSDeviceControl(
IN PFFS_IRP_CONTEXT IrpContext);
//
// Dirctl.c
//
ULONG
FFSGetInfoLength(
IN FILE_INFORMATION_CLASS FileInformationClass);
ULONG
FFSProcessDirEntry(
IN PFFS_VCB Vcb,
IN FILE_INFORMATION_CLASS FileInformationClass,
IN ULONG in,
IN PVOID Buffer,
IN ULONG UsedLength,
IN ULONG Length,
IN ULONG FileIndex,
IN PUNICODE_STRING pName,
IN BOOLEAN Single);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSQueryDirectory(
IN PFFS_IRP_CONTEXT IrpContext);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSNotifyChangeDirectory(
IN PFFS_IRP_CONTEXT IrpContext);
VOID
FFSNotifyReportChange(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb,
IN PFFS_FCB Fcb,
IN ULONG Filter,
IN ULONG Action);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSDirectoryControl(
IN PFFS_IRP_CONTEXT IrpContext);
BOOLEAN
FFSIsDirectoryEmpty(
PFFS_VCB Vcb,
PFFS_FCB Dcb);
//
// Dispatch.c
//
NTSTATUS
FFSQueueRequest(
IN PFFS_IRP_CONTEXT IrpContext);
#ifdef _PREFAST_
IO_WORKITEM_ROUTINE FFSDeQueueRequest;
#endif // _PREFAST_
VOID NTAPI
FFSDeQueueRequest(
IN PVOID Context);
NTSTATUS
FFSDispatchRequest(
IN PFFS_IRP_CONTEXT IrpContext);
#ifdef _PREFAST_
__drv_dispatchType(IRP_MJ_CREATE)
__drv_dispatchType(IRP_MJ_CLOSE)
__drv_dispatchType(IRP_MJ_READ)
__drv_dispatchType(IRP_MJ_WRITE)
__drv_dispatchType(IRP_MJ_QUERY_INFORMATION)
__drv_dispatchType(IRP_MJ_SET_INFORMATION)
__drv_dispatchType(IRP_MJ_FLUSH_BUFFERS)
__drv_dispatchType(IRP_MJ_QUERY_VOLUME_INFORMATION)
__drv_dispatchType(IRP_MJ_SET_VOLUME_INFORMATION)
__drv_dispatchType(IRP_MJ_DIRECTORY_CONTROL)
__drv_dispatchType(IRP_MJ_FILE_SYSTEM_CONTROL)
__drv_dispatchType(IRP_MJ_DEVICE_CONTROL)
__drv_dispatchType(IRP_MJ_SHUTDOWN)
__drv_dispatchType(IRP_MJ_LOCK_CONTROL)
__drv_dispatchType(IRP_MJ_CLEANUP)
__drv_dispatchType(IRP_MJ_PNP)
DRIVER_DISPATCH FFSBuildRequest;
#endif // _PREFAST_
NTSTATUS NTAPI
FFSBuildRequest(
PDEVICE_OBJECT DeviceObject,
PIRP Irp);
//
// Except.c
//
NTSTATUS
FFSExceptionFilter(
IN PFFS_IRP_CONTEXT IrpContext,
IN PEXCEPTION_POINTERS ExceptionPointer);
NTSTATUS
FFSExceptionHandler(
IN PFFS_IRP_CONTEXT IrpContext);
//
// ffs.c
//
PFFS_SUPER_BLOCK
FFSLoadSuper(
IN PFFS_VCB Vcb,
IN BOOLEAN bVerify,
IN ULONGLONG SuperBlockOffset);
__drv_mustHoldCriticalRegion
BOOLEAN
FFSSaveSuper(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb);
BOOLEAN
FFSLoadGroup(
IN PFFS_VCB Vcb);
BOOLEAN
FFSSaveGroup(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb);
BOOLEAN
FFSv1GetInodeLba(
IN PFFS_VCB Vcb,
IN ULONG inode,
OUT PLONGLONG offset);
BOOLEAN
FFSv2GetInodeLba(
IN PFFS_VCB Vcb,
IN ULONG inode,
OUT PLONGLONG offset);
BOOLEAN
FFSv1LoadInode(
IN PFFS_VCB Vcb,
IN ULONG inode,
IN PFFSv1_INODE dinode1);
BOOLEAN
FFSv2LoadInode(
IN PFFS_VCB Vcb,
IN ULONG inode,
IN PFFSv2_INODE dinode2);
__drv_mustHoldCriticalRegion
BOOLEAN
FFSv1SaveInode(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb,
IN ULONG Inode,
IN PFFSv1_INODE dinode1);
__drv_mustHoldCriticalRegion
BOOLEAN
FFSv2SaveInode(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb,
IN ULONG Inode,
IN PFFSv2_INODE dinode2);
BOOLEAN
FFSv1LoadBlock(
IN PFFS_VCB Vcb,
IN ULONG dwBlk,
IN PVOID Buffer);
BOOLEAN
FFSv2LoadBlock(
IN PFFS_VCB Vcb,
IN ULONGLONG dwBlk,
IN PVOID Buffer);
__drv_mustHoldCriticalRegion
BOOLEAN
FFSSaveBlock(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb,
IN ULONG dwBlk,
IN PVOID Buf);
__drv_mustHoldCriticalRegion
BOOLEAN
FFSSaveBuffer(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb,
IN LONGLONG Offset,
IN ULONG Size,
IN PVOID Buf);
ULONG
FFSv1GetBlock(
IN PFFS_VCB Vcb,
IN ULONG dwContent,
IN ULONG Index,
IN int layer);
ULONGLONG
FFSv2GetBlock(
IN PFFS_VCB Vcb,
IN ULONGLONG dwContent,
IN ULONG Index,
IN int layer);
ULONG
FFSv1BlockMap(
IN PFFS_VCB Vcb,
IN PFFSv1_INODE dinode1,
IN ULONG Index);
ULONGLONG
FFSv2BlockMap(
IN PFFS_VCB Vcb,
IN PFFSv2_INODE dinode2,
IN ULONG Index);
ULONG
FFSv1BuildBDL(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb,
IN PFFSv1_INODE dinode1,
IN ULONGLONG Offset,
IN ULONG Size,
OUT PFFS_BDL *ffs_bdl);
ULONG
FFSv2BuildBDL(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb,
IN PFFSv2_INODE dinode2,
IN ULONGLONG Offset,
IN ULONG Size,
OUT PFFS_BDL *ffs_bdl);
BOOLEAN
FFSNewBlock(
PFFS_IRP_CONTEXT IrpContext,
PFFS_VCB Vcb,
ULONG GroupHint,
ULONG BlockHint,
PULONG dwRet);
BOOLEAN
FFSFreeBlock(
PFFS_IRP_CONTEXT IrpContext,
PFFS_VCB Vcb,
ULONG Block);
__drv_mustHoldCriticalRegion
BOOLEAN
FFSExpandBlock(
PFFS_IRP_CONTEXT IrpContext,
PFFS_VCB Vcb,
PFFS_FCB Fcb,
ULONG dwContent,
ULONG Index,
ULONG layer,
BOOLEAN bNew,
ULONG *dwRet);
BOOLEAN
FFSExpandInode(
PFFS_IRP_CONTEXT IrpContext,
PFFS_VCB Vcb,
PFFS_FCB Fcb,
ULONG *dwRet);
NTSTATUS
FFSNewInode(
PFFS_IRP_CONTEXT IrpContext,
PFFS_VCB Vcb,
ULONG GroupHint,
ULONG Type,
PULONG Inode);
BOOLEAN
FFSFreeInode(
PFFS_IRP_CONTEXT IrpContext,
PFFS_VCB Vcb,
ULONG Inode,
ULONG Type);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSAddEntry(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb,
IN PFFS_FCB Dcb,
IN ULONG FileType,
IN ULONG Inode,
IN PUNICODE_STRING FileName);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSRemoveEntry(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb,
IN PFFS_FCB Dcb,
IN ULONG FileType,
IN ULONG Inode);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSSetParentEntry(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb,
IN PFFS_FCB Dcb,
IN ULONG OldParent,
IN ULONG NewParent);
__drv_mustHoldCriticalRegion
BOOLEAN
FFSTruncateBlock(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb,
IN PFFS_FCB Fcb,
IN ULONG dwContent,
IN ULONG Index,
IN ULONG layer,
OUT BOOLEAN *bFreed);
BOOLEAN
FFSTruncateInode(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb,
IN PFFS_FCB Fcb);
__drv_mustHoldCriticalRegion
BOOLEAN
FFSAddMcbEntry(
IN PFFS_VCB Vcb,
IN LONGLONG Lba,
IN LONGLONG Length);
__drv_mustHoldCriticalRegion
VOID
FFSRemoveMcbEntry(
IN PFFS_VCB Vcb,
IN LONGLONG Lba,
IN LONGLONG Length);
__drv_mustHoldCriticalRegion
BOOLEAN
FFSLookupMcbEntry(
IN PFFS_VCB Vcb,
IN LONGLONG Lba,
OUT PLONGLONG pLba,
OUT PLONGLONG pLength,
OUT PLONGLONG RunStart,
OUT PLONGLONG RunLength,
OUT PULONG Index);
ULONG
FFSDataBlocks(
PFFS_VCB Vcb,
ULONG TotalBlocks);
ULONG
FFSTotalBlocks(
PFFS_VCB Vcb,
ULONG DataBlocks);
//
// Fastio.c
//
#ifdef _PREFAST_
FAST_IO_CHECK_IF_POSSIBLE FFSFastIoCheckIfPossible;
#endif // _PREFAST_
BOOLEAN NTAPI
FFSFastIoCheckIfPossible(
IN PFILE_OBJECT FileObject,
IN PLARGE_INTEGER FileOffset,
IN ULONG Length,
IN BOOLEAN Wait,
IN ULONG LockKey,
IN BOOLEAN CheckForReadOperation,
OUT PIO_STATUS_BLOCK IoStatus,
IN PDEVICE_OBJECT DeviceObject);
#ifdef _PREFAST_
FAST_IO_READ FFSFastIoRead;
#endif // _PREFAST_
BOOLEAN NTAPI
FFSFastIoRead(
IN PFILE_OBJECT FileObject,
IN PLARGE_INTEGER FileOffset,
IN ULONG Length,
IN BOOLEAN Wait,
IN ULONG LockKey,
OUT PVOID Buffer,
OUT PIO_STATUS_BLOCK IoStatus,
IN PDEVICE_OBJECT DeviceObject);
#ifdef _PREFAST_
FAST_IO_WRITE FFSFastIoWrite;
#endif // _PREFAST_
BOOLEAN NTAPI
FFSFastIoWrite(
IN PFILE_OBJECT FileObject,
IN PLARGE_INTEGER FileOffset,
IN ULONG Length,
IN BOOLEAN Wait,
IN ULONG LockKey,
OUT PVOID Buffer,
OUT PIO_STATUS_BLOCK IoStatus,
IN PDEVICE_OBJECT DeviceObject);
#ifdef _PREFAST_
FAST_IO_QUERY_BASIC_INFO FFSFastIoQueryBasicInfo;
#endif // _PREFAST_
__drv_mustHoldCriticalRegion
BOOLEAN NTAPI
FFSFastIoQueryBasicInfo(
IN PFILE_OBJECT FileObject,
IN BOOLEAN Wait,
OUT PFILE_BASIC_INFORMATION Buffer,
OUT PIO_STATUS_BLOCK IoStatus,
IN PDEVICE_OBJECT DeviceObject);
#ifdef _PREFAST_
FAST_IO_QUERY_STANDARD_INFO FFSFastIoQueryStandardInfo;
#endif // _PREFAST_
__drv_mustHoldCriticalRegion
BOOLEAN NTAPI
FFSFastIoQueryStandardInfo(
IN PFILE_OBJECT FileObject,
IN BOOLEAN Wait,
OUT PFILE_STANDARD_INFORMATION Buffer,
OUT PIO_STATUS_BLOCK IoStatus,
IN PDEVICE_OBJECT DeviceObject);
#ifdef _PREFAST_
FAST_IO_LOCK FFSFastIoLock;
#endif // _PREFAST_
BOOLEAN NTAPI
FFSFastIoLock(
IN PFILE_OBJECT FileObject,
IN PLARGE_INTEGER FileOffset,
IN PLARGE_INTEGER Length,
IN PEPROCESS Process,
IN ULONG Key,
IN BOOLEAN FailImmediately,
IN BOOLEAN ExclusiveLock,
OUT PIO_STATUS_BLOCK IoStatus,
IN PDEVICE_OBJECT DeviceObject);
#ifdef _PREFAST_
FAST_IO_UNLOCK_SINGLE FFSFastIoUnlockSingle;
#endif // _PREFAST_
BOOLEAN NTAPI
FFSFastIoUnlockSingle(
IN PFILE_OBJECT FileObject,
IN PLARGE_INTEGER FileOffset,
IN PLARGE_INTEGER Length,
IN PEPROCESS Process,
IN ULONG Key,
OUT PIO_STATUS_BLOCK IoStatus,
IN PDEVICE_OBJECT DeviceObject);
#ifdef _PREFAST_
FAST_IO_UNLOCK_ALL FFSFastIoUnlockAll;
#endif // _PREFAST_
BOOLEAN NTAPI
FFSFastIoUnlockAll(
IN PFILE_OBJECT FileObject,
IN PEPROCESS Process,
OUT PIO_STATUS_BLOCK IoStatus,
IN PDEVICE_OBJECT DeviceObject);
#ifdef _PREFAST_
FAST_IO_UNLOCK_ALL_BY_KEY FFSFastIoUnlockAllByKey;
#endif // _PREFAST_
BOOLEAN NTAPI
FFSFastIoUnlockAllByKey(
IN PFILE_OBJECT FileObject,
#ifndef __REACTOS__
IN PEPROCESS Process,
#else
IN PVOID Process,
#endif
IN ULONG Key,
OUT PIO_STATUS_BLOCK IoStatus,
IN PDEVICE_OBJECT DeviceObject);
#ifdef _PREFAST_
FAST_IO_QUERY_NETWORK_OPEN_INFO FFSFastIoQueryNetworkOpenInfo;
#endif // _PREFAST_
__drv_mustHoldCriticalRegion
BOOLEAN NTAPI
FFSFastIoQueryNetworkOpenInfo(
IN PFILE_OBJECT FileObject,
IN BOOLEAN Wait,
OUT PFILE_NETWORK_OPEN_INFORMATION Buffer,
OUT PIO_STATUS_BLOCK IoStatus,
IN PDEVICE_OBJECT DeviceObject);
//
// FileInfo.c
//
__drv_mustHoldCriticalRegion
NTSTATUS
FFSQueryInformation(
IN PFFS_IRP_CONTEXT IrpContext);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSSetInformation(
IN PFFS_IRP_CONTEXT IrpContext);
BOOLEAN
FFSExpandFile(
PFFS_IRP_CONTEXT IrpContext,
PFFS_VCB Vcb,
PFFS_FCB Fcb,
PLARGE_INTEGER AllocationSize);
BOOLEAN
FFSTruncateFile(
PFFS_IRP_CONTEXT IrpContext,
PFFS_VCB Vcb,
PFFS_FCB Fcb,
PLARGE_INTEGER AllocationSize);
NTSTATUS
FFSSetDispositionInfo(
PFFS_IRP_CONTEXT IrpContext,
PFFS_VCB Vcb,
PFFS_FCB Fcb,
BOOLEAN bDelete);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSSetRenameInfo(
PFFS_IRP_CONTEXT IrpContext,
PFFS_VCB Vcb,
PFFS_FCB Fcb);
__drv_mustHoldCriticalRegion
BOOLEAN
FFSDeleteFile(
PFFS_IRP_CONTEXT IrpContext,
PFFS_VCB Vcb,
PFFS_FCB Fcb);
//
// Flush.c
//
__drv_mustHoldCriticalRegion
NTSTATUS
FFSFlushFiles(
IN PFFS_VCB Vcb,
BOOLEAN bShutDown);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSFlushVolume(
IN PFFS_VCB Vcb,
BOOLEAN bShutDown);
NTSTATUS
FFSFlushFile(
IN PFFS_FCB Fcb);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSFlush(
IN PFFS_IRP_CONTEXT IrpContext);
//
// Fsctl.c
//
VOID
FFSSetVpbFlag(
IN PVPB Vpb,
IN USHORT Flag);
VOID
FFSClearVpbFlag(
IN PVPB Vpb,
IN USHORT Flag);
NTSTATUS
FFSGetPartition(
IN PDEVICE_OBJECT DeviceObject,
OUT ULONGLONG *StartOffset);
NTSTATUS
FFSLoadDiskLabel(
PDEVICE_OBJECT DeviceObject,
IN PFFS_VCB Vcb);
__drv_mustHoldCriticalRegion
BOOLEAN
FFSCheckDismount(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb,
IN BOOLEAN bForce);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSPurgeVolume(
IN PFFS_VCB Vcb,
IN BOOLEAN FlushBeforePurge);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSPurgeFile(
IN PFFS_FCB Fcb,
IN BOOLEAN FlushBeforePurge);
BOOLEAN
FFSIsHandleCountZero(
IN PFFS_VCB Vcb);
NTSTATUS
FFSLockVcb(
IN PFFS_VCB Vcb,
IN PFILE_OBJECT FileObject);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSLockVolume(
IN PFFS_IRP_CONTEXT IrpContext);
NTSTATUS
FFSUnlockVcb(
IN PFFS_VCB Vcb,
IN PFILE_OBJECT FileObject);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSUnlockVolume(
IN PFFS_IRP_CONTEXT IrpContext);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSAllowExtendedDasdIo(
IN PFFS_IRP_CONTEXT IrpContext);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSUserFsRequest(
IN PFFS_IRP_CONTEXT IrpContext);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSMountVolume(
IN PFFS_IRP_CONTEXT IrpContext);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSVerifyVolume(
IN PFFS_IRP_CONTEXT IrpContext);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSIsVolumeMounted(
IN PFFS_IRP_CONTEXT IrpContext);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSDismountVolume(
IN PFFS_IRP_CONTEXT IrpContext);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSSelectBSDPartition(
IN PFFS_IRP_CONTEXT IrpContext);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSFileSystemControl(
IN PFFS_IRP_CONTEXT IrpContext);
//
// Init.c
//
BOOLEAN
FFSQueryParameters(
IN PUNICODE_STRING RegistryPath);
#ifdef _PREFAST_
DRIVER_INITIALIZE DriverEntry;
#endif // _PREFAST_
#ifdef _PREFAST_
DRIVER_UNLOAD DriverUnload;
#endif // _PREFAST_
VOID NTAPI
DriverUnload(
IN PDRIVER_OBJECT DriverObject);
//
// Lock.c
//
__drv_mustHoldCriticalRegion
NTSTATUS
FFSLockControl(
IN PFFS_IRP_CONTEXT IrpContext);
//
// Memory.c
//
__drv_mustHoldCriticalRegion
PFFS_IRP_CONTEXT
FFSAllocateIrpContext(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp);
__drv_mustHoldCriticalRegion
VOID
FFSFreeIrpContext(
IN PFFS_IRP_CONTEXT IrpContext);
__drv_mustHoldCriticalRegion
PFFS_FCB
FFSv1AllocateFcb(
IN PFFS_VCB Vcb,
IN PFFS_MCB FFSMcb,
IN PFFSv1_INODE dinode1);
__drv_mustHoldCriticalRegion
PFFS_FCB
FFSv2AllocateFcb(
IN PFFS_VCB Vcb,
IN PFFS_MCB FFSMcb,
IN PFFSv2_INODE dinode2);
__drv_mustHoldCriticalRegion
VOID
FFSFreeFcb(
IN PFFS_FCB Fcb);
__drv_mustHoldCriticalRegion
PFFS_CCB
FFSAllocateCcb(
VOID);
__drv_mustHoldCriticalRegion
VOID
FFSFreeMcb(
IN PFFS_MCB Mcb);
__drv_mustHoldCriticalRegion
PFFS_FCB
FFSCreateFcbFromMcb(
PFFS_VCB Vcb,
PFFS_MCB Mcb);
__drv_mustHoldCriticalRegion
VOID
FFSFreeCcb(
IN PFFS_CCB Ccb);
PFFS_MCB
FFSAllocateMcb(
PFFS_VCB Vcb,
PUNICODE_STRING FileName,
ULONG FileAttr);
PFFS_MCB
FFSSearchMcbTree(
PFFS_VCB Vcb,
PFFS_MCB FFSMcb,
ULONG Inode);
PFFS_MCB
FFSSearchMcb(
PFFS_VCB Vcb,
PFFS_MCB Parent,
PUNICODE_STRING FileName);
BOOLEAN
FFSGetFullFileName(
PFFS_MCB Mcb,
PUNICODE_STRING FileName);
VOID
FFSRefreshMcb(
PFFS_VCB Vcb, PFFS_MCB Mcb);
VOID
FFSAddMcbNode(
PFFS_VCB Vcb,
PFFS_MCB Parent,
PFFS_MCB Child);
BOOLEAN
FFSDeleteMcbNode(
PFFS_VCB Vcb,
PFFS_MCB McbTree,
PFFS_MCB FFSMcb);
__drv_mustHoldCriticalRegion
VOID
FFSFreeMcbTree(
PFFS_MCB McbTree);
BOOLEAN
FFSCheckSetBlock(
PFFS_IRP_CONTEXT IrpContext,
PFFS_VCB Vcb,
ULONG Block);
BOOLEAN
FFSCheckBitmapConsistency(
PFFS_IRP_CONTEXT IrpContext,
PFFS_VCB Vcb);
VOID
FFSInsertVcb(
PFFS_VCB Vcb);
VOID
FFSRemoveVcb(
PFFS_VCB Vcb);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSInitializeVcb(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb,
IN PFFS_SUPER_BLOCK FFSSb,
IN PDEVICE_OBJECT TargetDevice,
IN PDEVICE_OBJECT VolumeDevice,
IN PVPB Vpb);
__drv_mustHoldCriticalRegion
VOID
FFSFreeVcb(
IN PFFS_VCB Vcb);
VOID
FFSRepinBcb(
IN PFFS_IRP_CONTEXT IrpContext,
IN PBCB Bcb);
VOID
FFSUnpinRepinnedBcbs(
IN PFFS_IRP_CONTEXT IrpContext);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSCompleteIrpContext(
IN PFFS_IRP_CONTEXT IrpContext,
IN NTSTATUS Status);
VOID
FFSSyncUninitializeCacheMap(
IN PFILE_OBJECT FileObject);
//
// Misc.c
//
ULONG
FFSLog2(
ULONG Value);
LARGE_INTEGER
FFSSysTime(
IN ULONG i_time);
ULONG
FFSInodeTime(
IN LARGE_INTEGER SysTime);
NTSTATUS
FFSOEMToUnicode(
IN OUT PUNICODE_STRING Unicode,
IN POEM_STRING Oem);
NTSTATUS
FFSUnicodeToOEM(
IN OUT POEM_STRING Oem,
IN PUNICODE_STRING Unicode);
//
// Pnp.c
//
__drv_mustHoldCriticalRegion
NTSTATUS
FFSPnp(
IN PFFS_IRP_CONTEXT IrpContext);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSPnpQueryRemove(
PFFS_IRP_CONTEXT IrpContext,
PFFS_VCB Vcb);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSPnpRemove(
PFFS_IRP_CONTEXT IrpContext,
PFFS_VCB Vcb);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSPnpCancelRemove(
PFFS_IRP_CONTEXT IrpContext,
PFFS_VCB Vcb);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSPnpSurpriseRemove(
PFFS_IRP_CONTEXT IrpContext,
PFFS_VCB Vcb);
//
// Read.c
//
BOOLEAN
FFSCopyRead(
IN PFILE_OBJECT FileObject,
IN PLARGE_INTEGER FileOffset,
IN ULONG Length,
IN BOOLEAN Wait,
OUT PVOID Buffer,
OUT PIO_STATUS_BLOCK IoStatus);
NTSTATUS
FFSv1ReadInode(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb,
IN PFFSv1_INODE dinode1,
IN ULONGLONG offset,
IN PVOID Buffer,
IN ULONG size,
OUT PULONG dwRet);
NTSTATUS
FFSv2ReadInode(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb,
IN PFFSv2_INODE dinode2,
IN ULONGLONG offset,
IN PVOID Buffer,
IN ULONG size,
OUT PULONG dwRet);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSRead(
IN PFFS_IRP_CONTEXT IrpContext);
//
// Shutdown.c
//
__drv_mustHoldCriticalRegion
NTSTATUS
FFSShutDown(
IN PFFS_IRP_CONTEXT IrpContext);
//
// Volinfo.c
//
__drv_mustHoldCriticalRegion
NTSTATUS
FFSQueryVolumeInformation(
IN PFFS_IRP_CONTEXT IrpContext);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSSetVolumeInformation(
IN PFFS_IRP_CONTEXT IrpContext);
//
// Write.c
//
NTSTATUS
FFSv1WriteInode(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb,
IN PFFSv1_INODE dinode1,
IN ULONGLONG offset,
IN PVOID Buffer,
IN ULONG size,
IN BOOLEAN bWriteToDisk,
OUT PULONG dwRet);
NTSTATUS
FFSv2WriteInode(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb,
IN PFFSv2_INODE dinode2,
IN ULONGLONG offset,
IN PVOID Buffer,
IN ULONG size,
IN BOOLEAN bWriteToDisk,
OUT PULONG dwRet);
VOID
FFSStartFloppyFlushDpc(
PFFS_VCB Vcb,
PFFS_FCB Fcb,
PFILE_OBJECT FileObject);
BOOLEAN
FFSZeroHoles(
IN PFFS_IRP_CONTEXT IrpContext,
IN PFFS_VCB Vcb,
IN PFILE_OBJECT FileObject,
IN LONGLONG Offset,
IN LONGLONG Count);
__drv_mustHoldCriticalRegion
NTSTATUS
FFSWrite(
IN PFFS_IRP_CONTEXT IrpContext);
NTSTATUS
DeviceControl(
IN PDEVICE_OBJECT pDeviceObject,
IN PIRP pIrp);
#endif /* _FFS_HEADER_ */