ubixfs.h File Reference

#include <sys/types.h>
#include <vfs/vfs.h>
#include <sys/device.h>
#include <mpi/mpi.h>
#include <ubixfs/dirCache.h>

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Data Structures
struct	blockAllocationTableEntry
struct	bootSect
struct	directoryEntry
struct	directoryList
struct	partitionInformation
struct	ubixDiskLabel
struct	ubixDiskLabel::ubixPartitions
struct	ubixFSInfo

Macros
#define	blockSize   8
#define	EOBC   -1
#define	MAXUBIXPARTITIONS   16
#define	typeContainer   2
#define	typeDeleted   8
#define	typeDirectory   4
#define	typeFile   1
#define	UBIXDISKMAGIC   ((uInt32)0x45) /* The disk magic number */
#define	UBIXFS_ALIGN(size)   (size + ((((size) % (UBIXFS_BLOCKSIZE_BYTES)) == 0)? 0 : ((UBIXFS_BLOCKSIZE_BYTES) - ((size) % (UBIXFS_BLOCKSIZE_BYTES)))))
#define	UBIXFS_BLOCKSIZE_BYTES   blockSize*512

Typedefs
typedef struct directoryList *	dirList_t

Functions
int	addDirEntry (struct directoryEntry *dir, fileDescriptor_t *fd)
int	freeBlocks (int block, fileDescriptor_t *fd)
int	getFreeBlocks (int count, fileDescriptor_t *fd)
int	readFile (char *file)
int	readUbixFS (fileDescriptor_t *fd, char *data, uInt32, long size)
void	syncBat (struct vfs_mountPoint *mp)
int	ubixfs_init ()
int	ubixfs_initialize ()
void	ubixfs_thread ()
dirList_t	ubixFSLoadDir (char *)
int	ubixFSmkDir (char *dir, fileDescriptor_t *fd)
void	ubixFSUnlink (char *path, struct vfs_mountPoint *mp)
int	writeFileByte (int ch, fileDescriptor_t *fd, long offset)
int	writeUbixFS (fileDescriptor_t *fd, char *data, long offset, long size)

Macro Definition Documentation

blockSize

#define blockSize   8

Definition at line 43 of file ubixfs.h.

EOBC

#define EOBC   -1

Definition at line 45 of file ubixfs.h.

MAXUBIXPARTITIONS

#define MAXUBIXPARTITIONS   16

Definition at line 42 of file ubixfs.h.

typeContainer

#define typeContainer   2

Definition at line 48 of file ubixfs.h.

typeDeleted

#define typeDeleted   8

Definition at line 50 of file ubixfs.h.

typeDirectory

#define typeDirectory   4

Definition at line 49 of file ubixfs.h.

typeFile

#define typeFile   1

Definition at line 47 of file ubixfs.h.

UBIXDISKMAGIC

#define UBIXDISKMAGIC   ((uInt32)0x45) /* The disk magic number */

Definition at line 41 of file ubixfs.h.

UBIXFS_ALIGN

#define UBIXFS_ALIGN

(

size

)

(size + ((((size) % (UBIXFS_BLOCKSIZE_BYTES)) == 0)? 0 : ((UBIXFS_BLOCKSIZE_BYTES) - ((size) % (UBIXFS_BLOCKSIZE_BYTES)))))

Definition at line 39 of file ubixfs.h.

UBIXFS_BLOCKSIZE_BYTES

#define UBIXFS_BLOCKSIZE_BYTES   blockSize*512

Definition at line 38 of file ubixfs.h.

Typedef Documentation

dirList_t

typedef struct directoryList* dirList_t

Definition at line 61 of file ubixfs.h.

Function Documentation

addDirEntry()

int addDirEntry	(	struct directoryEntry *	dir,
		fileDescriptor_t *	fd
	)

Definition at line 64 of file directory.c.

References kmalloc(), kprintf(), memcpy(), fileDescriptor::offset, readUbixFS(), fileDescriptor::size, and writeUbixFS().

Referenced by ubixFSmkDir().

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freeBlocks()

int freeBlocks	(	int	block,
		fileDescriptor_t *	fd
	)

Definition at line 78 of file block.c.

References blockAllocationTableEntry::attributes, ubixFSInfo::blockAllocationTable, vfs_mountPoint::fsInfo, fileDescriptor::mp, blockAllocationTableEntry::nextBlock, and syncBat().

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getFreeBlocks()

int getFreeBlocks	(	int	count,
		fileDescriptor_t *	fd
	)

Definition at line 95 of file block.c.

References blockAllocationTableEntry::attributes, ubixFSInfo::batEntries, ubixFSInfo::blockAllocationTable, vfs_mountPoint::fsInfo, fileDescriptor::mp, blockAllocationTableEntry::nextBlock, and syncBat().

Referenced by ubixFSmkDir(), and writeUbixFS().

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readFile()

int readFile

(

char *

file

)

readUbixFS()

int readUbixFS	(	fileDescriptor_t *	fd,
		char *	data,
		uInt32	,
		long	size
	)

Definition at line 192 of file ubixfs.c.

References assert, buffer, fileDescriptor::cacheNode, fdEof, vfs_mountPoint::fsInfo, cacheNode::info, kpanic(), fileDescriptor::mp, NULL, cacheNode::present, fileDescriptor::size, and fileDescriptor::status.

Referenced by addDirEntry(), and ubixfs_init().

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syncBat()

void syncBat

(

struct vfs_mountPoint *

mp

)

Definition at line 73 of file block.c.

References ubixFSInfo::blockAllocationTable, vfs_mountPoint::device, device_node::devInfo, vfs_mountPoint::diskLabel, vfs_mountPoint::fsInfo, device_interface::info, vfs_mountPoint::partition, ubixDiskLabel::partitions, ubixDiskLabel::ubixPartitions::pBatSize, ubixDiskLabel::ubixPartitions::pOffset, and device_interface::write.

Referenced by freeBlocks(), and getFreeBlocks().

ubixfs_init()

int ubixfs_init

(

)

Definition at line 450 of file ubixfs.c.

References NULL, readUbixFS(), ubixfs_initialize(), and writeUbixFS().

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ubixfs_initialize()

int ubixfs_initialize

(

)

ubixfs_thread()

void ubixfs_thread

(

)

ubixFSLoadDir()

dirList_t ubixFSLoadDir

(

char *

)

Definition at line 39 of file directory.c.

References directoryList::dirName, kmalloc(), and sprintf().

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ubixFSmkDir()

int ubixFSmkDir	(	char *	dir,
		fileDescriptor_t *	fd
	)

Definition at line 92 of file directory.c.

References addDirEntry(), directoryEntry::attributes, ubixFSInfo::blockAllocationTable, blockSize, vfs_mountPoint::device, device_node::devInfo, vfs_mountPoint::diskLabel, directoryEntry::fileName, vfs_mountPoint::fsInfo, getFreeBlocks(), device_interface::info, kfree(), kmalloc(), fileDescriptor::mp, vfs_mountPoint::partition, ubixDiskLabel::partitions, directoryEntry::permissions, ubixDiskLabel::ubixPartitions::pOffset, blockAllocationTableEntry::realSector, directoryEntry::size, sprintf(), directoryEntry::startCluster, typeDirectory, UBIXFS_BLOCKSIZE_BYTES, and device_interface::write.

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ubixFSUnlink()

void ubixFSUnlink	(	char *	path,
		struct vfs_mountPoint *	mp
	)

Definition at line 306 of file ubixfs.c.

writeFileByte()

int writeFileByte	(	int	ch,
		fileDescriptor_t *	fd,
		long	offset
	)

Definition at line 116 of file ubixfs.c.

References assert, blockAllocationTableEntry::attributes, ubixFSInfo::batEntries, ubixFSInfo::blockAllocationTable, fileDescriptor::buffer, vfs_mountPoint::device, device_node::devInfo, vfs_mountPoint::diskLabel, fdOpen, fdRead, fileDescriptor::fileName, directoryEntry::fileName, vfs_mountPoint::fsInfo, device_interface::info, kfree(), kmalloc(), fileDescriptor::mp, blockAllocationTableEntry::nextBlock, NULL, vfs_mountPoint::partition, ubixDiskLabel::partitions, ubixDiskLabel::ubixPartitions::pBatSize, ubixDiskLabel::ubixPartitions::pOffset, device_interface::read, blockAllocationTableEntry::realSector, fileDescriptor::size, directoryEntry::size, fileDescriptor::start, fileDescriptor::status, strcmp(), and device_interface::write.

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writeUbixFS()

int writeUbixFS	(	fileDescriptor_t *	fd,
		char *	data,
		long	offset,
		long	size
	)

Definition at line 229 of file ubixfs.c.

References assert, ubixFSInfo::blockAllocationTable, blockSize, fileDescriptor::buffer, vfs_mountPoint::device, device_node::devInfo, vfs_mountPoint::diskLabel, EOBC, fileDescriptor::fileName, directoryEntry::fileName, vfs_mountPoint::fsInfo, getFreeBlocks(), device_interface::info, kfree(), kmalloc(), fileDescriptor::mp, blockAllocationTableEntry::nextBlock, NULL, vfs_mountPoint::partition, ubixDiskLabel::partitions, ubixDiskLabel::ubixPartitions::pOffset, device_interface::read, blockAllocationTableEntry::realSector, fileDescriptor::size, directoryEntry::size, fileDescriptor::start, directoryEntry::startCluster, strcmp(), and device_interface::write.

Referenced by addDirEntry(), and ubixfs_init().

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