/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

#ifndef __RSVPHOSTFSDRIVER_H__

#define __RSVPHOSTFSDRIVER_H__

#include <e32des16.h>

typedef TDes16 THostFileName;

typedef enum 

	{

	EUnknown=0,

	EWindows,

	EUnix,

	EMac,

	} TFileTimeType;

class TSVPHostFsMkDirInfo

	{

public:

	inline TSVPHostFsMkDirInfo() :

		iDrive(0),

		iName(0),

		iLength(0),

		iFlags(0)

		{};

	inline TSVPHostFsMkDirInfo(TUint aDrive, const THostFileName & aName, TUint32 aFlags) :

		iDrive(aDrive),

		iName(aName.Ptr()),

		iLength(aName.Length()),

		iFlags(aFlags)

		{};

public:

	TUint iDrive; 

	const TUint16 * iName;

	TUint32 iLength;

	TUint32 iFlags;

	};

class TSVPHostFsRmDirInfo

	{

public:

	inline TSVPHostFsRmDirInfo() :

		iDrive(0),

		iName(0),

		iLength(0)

		{};

	inline TSVPHostFsRmDirInfo(TUint aDrive, const THostFileName & aName) :

		iDrive(aDrive),

		iName(aName.Ptr()),

		iLength(aName.Length())

		{};

public:

	TUint iDrive; 

	const TUint16 * iName;

	TUint32 iLength;

	};

class TSVPHostFsDeleteInfo

	{

public:

	inline TSVPHostFsDeleteInfo() :

		iDrive(0),

		iName(0),

		iLength(0)

		{};

	inline TSVPHostFsDeleteInfo(TUint aDrive, const THostFileName & aName) :

		iDrive(aDrive),

		iName(aName.Ptr()),

		iLength(aName.Length())

		{};

public:

	TUint iDrive; 

	const TUint16 * iName;

	TUint32 iLength;

	};

class TSVPHostFsRenameInfo

	{

public:

	inline TSVPHostFsRenameInfo() :

		iDrive(0),

		iOldName(0),

		iOldLength(0),

		iNewName(0),

		iNewLength(0)

		{};

	inline TSVPHostFsRenameInfo(TUint aDrive, const THostFileName & aOldName, const THostFileName & aNewName) :

		iDrive(aDrive),

		iOldName(aOldName.Ptr()),

		iOldLength(aOldName.Length()),

		iNewName(aNewName.Ptr()),

		iNewLength(aNewName.Length())

		{};

public:

	TUint iDrive; 

	const TUint16 * iOldName;

	TUint32 iOldLength;

	const TUint16 * iNewName;

	TUint32 iNewLength;

	};

class TSVPHostFsReplaceInfo

	{

public:

	inline TSVPHostFsReplaceInfo() :

		iDrive(0),

		iOldName(0),

		iOldLength(0),

		iNewName(0),

		iNewLength(0)

		{};

	inline TSVPHostFsReplaceInfo(TUint aDrive, const THostFileName & aOldName, const THostFileName & aNewName) :

		iDrive(aDrive),

		iOldName(aOldName.Ptr()),

		iOldLength(aOldName.Length()),

		iNewName(aNewName.Ptr()),

		iNewLength(aNewName.Length())

		{};

public:

	TUint iDrive; 

	const TUint16 * iOldName;

	TUint32 iOldLength;

	const TUint16 * iNewName;

	TUint32 iNewLength;

	};

class TSVPHostFsEntryInfo

	{

public:

	inline TSVPHostFsEntryInfo() :

		iDrive(0),

		iName(0),

		iLength(0),

		iAtt(0),

		iModified(0),

		iSize(0),

		iTimeType(EUnknown)

		{};

	inline TSVPHostFsEntryInfo(TUint aDrive, const THostFileName & aName) :

		iDrive(aDrive),

		iName(aName.Ptr()),

		iLength(aName.Length()),

		iAtt(0),

		iModified(0),

		iSize(0),

		iTimeType(EUnknown)

		{};

public:

	TUint iDrive; 

	const TUint16 * iName;

	TUint32 iLength;

	TUint iAtt;

	TUint32 iModified; // time in seconds since the epoc

	TInt iSize;

	TFileTimeType iTimeType;

	char iHostName[KMaxFileName];

};

class TSVPHostFsSetEntryInfo

	{

public:

	inline TSVPHostFsSetEntryInfo() :

		iDrive(0),

		iName(0),

		iModified(0),

		iNewAtt(0),

		iTimeType(EUnknown)

		{};

	inline TSVPHostFsSetEntryInfo(TUint aDrive, const THostFileName & aName, TUint32 aModified, TUint aNewAtt) :

		iDrive(aDrive),

		iName(aName.Ptr()),

		iModified(aModified),

		iNewAtt(aNewAtt),

		iTimeType(EUnknown)

		{};

public:

	TUint iDrive; 

	const TUint16 *iName;

	TUint32 iModified; // time in seconds since the epoc

	TUint iNewAtt;

	TFileTimeType iTimeType;

	};

class TSVPHostFsDirOpenInfo

	{

public:

	inline TSVPHostFsDirOpenInfo() :

		iDrive(0),

		iName(0),

		iLength(0),

		iHandle(0)

		{};

inline TSVPHostFsDirOpenInfo(TUint aDrive, const THostFileName & aName) :

		iDrive(aDrive),

		iName(aName.Ptr()),

		iLength(aName.Length()),

		iHandle(0)

		{};

public:

	TUint iDrive; 

	const TUint16 * iName;

	TUint32 iLength;

	TUint32 iHandle;

	};

#define SVP_HOST_FS_INVALID_FILE_HANDLE -1

class TSVPHostFsFileOpenInfo

	{

public:

	inline TSVPHostFsFileOpenInfo() :

		iDrive(0),

		iName(0),

		iLength(0), // of file name

		iMode(0),

		iOpen(0),

		iAtt(0),

		iModified(0), // time in seconds since the epoc

		iSize(0),     // of file

		iTimeType(EUnknown),

		iHandle(SVP_HOST_FS_INVALID_FILE_HANDLE)

		{};

	inline TSVPHostFsFileOpenInfo(TUint aDrive, const THostFileName & aName, TUint32 aMode, TUint32 anOpen) :

		iDrive(aDrive),

		iName(aName.Ptr()),

		iLength(aName.Length()),

		iMode(aMode),

		iOpen(anOpen),

		iAtt(0),

		iModified(0), // time in seconds since the epoc

		iSize(0),     // of file

		iTimeType(EUnknown),

		iHandle(SVP_HOST_FS_INVALID_FILE_HANDLE)

		{};

public:

	TUint iDrive; 

	const TUint16 * iName;

	TUint32 iLength;

	TUint32 iMode;

	TUint32 iOpen;

	TUint iAtt;

	TUint32 iModified; // time in seconds since the epoc

	TInt iSize;

	TFileTimeType iTimeType;

	TInt iHandle;

	};

class TSVPHostFsFileReadInfo

	{

public:

	inline TSVPHostFsFileReadInfo() :

		iDrive(0),

		iHandle(0),

		iLength(0),

		iPos(0),

		iBuf(0)

		{};

	inline TSVPHostFsFileReadInfo(TUint aDrive, TUint aHandle,TInt aLength,TInt aPos, char * aBuf):

		iDrive(aDrive),

		iHandle(aHandle),

		iLength(aLength),

		iPos(aPos),

		iBuf(aBuf)

		{};

public:

	TUint iDrive; 

	TUint iHandle;

	TInt iLength;

	TInt iPos;

	char * iBuf;

	};	

class TSVPHostFsFileWriteInfo

	{

public:

	inline TSVPHostFsFileWriteInfo() :

		iDrive(0),

		iHandle(0),

		iLength(0),

		iPos(0),

		iBuf(0)

		{};

	inline TSVPHostFsFileWriteInfo(TUint aDrive, TUint aHandle,TInt aLength,TInt aPos, char * aBuf):

		iDrive(aDrive),

		iHandle(aHandle),

		iLength(aLength),

		iPos(aPos),

		iBuf(aBuf)

		{};

public:

	TUint iDrive; 

	TUint iHandle;

	TInt iLength;

	TInt iPos;

	char * iBuf;

	};

class TSVPHostFsFileSetSizeInfo

	{

public:

	inline TSVPHostFsFileSetSizeInfo() :

		iDrive(0),

		iHandle(0),

		iLength(0)

		{};

	inline TSVPHostFsFileSetSizeInfo(TUint aDrive, TUint aHandle, TInt aLength) :

		iDrive(aDrive),

		iHandle(aHandle),

		iLength(aLength)

		{};

public:

	TUint iDrive; 

	TUint iHandle;

	TInt iLength;

	};

class TSVPHostFsDirReadInfo

{

public:

	inline TSVPHostFsDirReadInfo() :

		iDrive(0),

		iHandle(0),

		iLength(0),

		iAtt(0),

		iModified(0),

		iSize(0),

		iTimeType(EUnknown)

		{};

	inline TSVPHostFsDirReadInfo(TUint aDrive, TUint32 aHandle) :

		iDrive(aDrive),

		iHandle(aHandle),

		iLength(-1),

		iAtt(0),

		iModified(666),

		iSize(-1),

		iTimeType(EUnknown)

		{};

public:

	TUint iDrive; 

	TUint32 iHandle;

	TInt iLength;

	TUint16 iName[KMaxPath];

	TUint iAtt;

	TUint32 iModified; // time in seconds since the epoc

	TInt iSize;

	TFileTimeType iTimeType;

	};

class TCapsSVPHostFsDriver

	{

public:

	TVersion	iVersion;

	};

_LIT(KSVPHostFsDriverName,"SVP Host Filesystem Driver");

_LIT(KSVPHostFsDriverLDD, "svphostfsdriver.ldd");

// Version information

const TInt KMajorVersionNumber=0;

const TInt KMinorVersionNumber=0;

const TInt KBuildVersionNumber=1;

// keep in sync with the definitions in QEMU/hw/svphostfs.c 

#define LOWEST_DRIVE 'A'

#define HIGHEST_DRIVE 'Z'

#define DRIVE_MAP_SIZE (HIGHEST_DRIVE - LOWEST_DRIVE + 1)

class RSVPHostFsDriver : public RBusLogicalChannel

	{

public:

	enum TControl

		{

		EDummu = 0,

		// Codes for CMountCB operations

		EMkDir,

		ERmDir,

		EDelete,

		ERename,

		EReplace,

		EReadUid,

		EEntry,

		ESetEntry,

		EFileOpen,

		EDirOpen,

		// Code for CFileCB operations

		EFileClose, 

		EFileRead,

		EFileWrite,

		EFileSetSize,

		EFileFlushAll,

		// Code for CDirCB operations

		EDirClose, 

		EDirRead,

		// Device ops

		EGetDeviceID,

		EGetDriveMap,

		};

public:

#ifndef __KERNEL_MODE__  // don't need to see these in the driver

	TInt Open();

	TInt MkDir(TSVPHostFsMkDirInfo& aInfo);

	TInt RmDir(TSVPHostFsRmDirInfo& aInfo);

	TInt Delete(TSVPHostFsDeleteInfo& aInfo);

	TInt Rename(TSVPHostFsRenameInfo& aInfo);

	TInt Replace(TSVPHostFsReplaceInfo& aInfo);

	TInt ReadUid(const TDesC& aName,TEntry& anEntry);

	TInt Entry(TSVPHostFsEntryInfo& aInfo);

	TInt SetEntry(TSVPHostFsSetEntryInfo &aInfo);

	TInt FileOpen(TSVPHostFsFileOpenInfo &aInfo);

	TInt DirOpen(TSVPHostFsDirOpenInfo& aInfo);

	TInt FileClose(TUint32 aDrive, TUint32 aHandle);

	TInt FileRead(TSVPHostFsFileReadInfo& aInfo);		

	TInt FileWrite(TSVPHostFsFileWriteInfo& aInfo);

	TInt FileSetSize(TSVPHostFsFileSetSizeInfo &aInfo);

	TInt FileSetEntry(TSVPHostFsSetEntryInfo &aInfo);

	TInt FlushData(TUint32 aDrive);

	TInt FlushAll(TUint32 aDrive);

	TInt DirClose(TUint32 aDrive, TUint32 aHandle);

	TInt DirRead(TSVPHostFsDirReadInfo& aInfo);

	TUint32 GetDeviceID(TUint32 aDrive);

	TInt GetDriveMap(TUint32 * aMap);

private:

	inline TInt DoSVPRequest(TInt aReqNo, TAny * a1) 

		{

		TRequestStatus status;

		DoRequest(aReqNo, status, a1);

		User::WaitForRequest(status);

		return status.Int();

		}

	inline TInt DoSVPRequest(TInt aReqNo, TAny * a1, TAny * a2) 

		{

		TRequestStatus status;

		DoRequest(aReqNo, status, a1, a2);

		User::WaitForRequest(status);

		return status.Int();

		}

#endif

	};

#endif // __rsvphostfsdriver_H__