kernel/eka/include/d32locd.inl
author Slion
Tue, 08 Dec 2009 08:11:42 +0100
branchanywhere
changeset 19 f6d3d9676ee4
parent 0 a41df078684a
permissions -rw-r--r--
Trying to figure out how to implement my WINC like compatibility layer. Going the emulation way is probably not so smart. We should not use the kernel but rather hook native functions in the Exec calls.

// Copyright (c) 1999-2009 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:
// e32\include\d32locd.inl
// 
// WARNING: This file contains some APIs which are internal and are subject
//          to change without noticed. Such APIs should therefore not be used
//          outside the Kernel and Hardware Services package.
//

// class RLocalDrive
inline TVersion RLocalDrive::VersionRequired() const
	{ return TVersion(KLocalDriveMajorVersion,KLocalDriveMinorVersion,KLocalDriveBuildVersion); }
/**
@capability TCB
*/
inline TInt RLocalDrive::Connect(TInt aDriveNumber, TBool& aChangedFlag)
	{ return DoCreate(KLitLocalDriveLddName,VersionRequired(),aDriveNumber,NULL,(const TDesC8*)&aChangedFlag,EOwnerProcess); }
inline TInt RLocalDrive::Enlarge(TInt aLength)
	{ return DoControl(EControlEnlarge, (TAny*)aLength); }
inline TInt RLocalDrive::Reduce(TInt aPos, TInt aLength)
	{ return DoControl(EControlReduce, (TAny*)aPos, (TAny*)aLength); }
inline TInt RLocalDrive::Read(TInt64 aPos, TInt aLength, const TAny* aTrg, TInt aMessageHandle, TInt aOffset, TInt aFlags)
	{ TLocalDriveMessageData d(aPos,aLength,aTrg,aMessageHandle,aOffset,aFlags); return DoControl(EControlRead, &d); }
inline TInt RLocalDrive::Read(TInt64 aPos, TInt aLength, const TAny* aTrg, TInt aMessageHandle, TInt anOffset)
	{ TLocalDriveMessageData d(aPos,aLength,aTrg,aMessageHandle,anOffset,0); return DoControl(EControlRead, &d); }
inline TInt RLocalDrive::Read(TInt64 aPos, TInt aLength, TDes8& aTrg)
	{ TLocalDriveMessageData d(aPos,aLength,&aTrg,KLocalMessageHandle,0,ELocDrvMetaData); return DoControl(EControlRead, &d); }
inline TInt RLocalDrive::Write(TInt64 aPos, TInt aLength, const TAny* aSrc, TInt aMessageHandle, TInt aOffset, TInt aFlags)
	{ TLocalDriveMessageData d(aPos,aLength,aSrc,aMessageHandle,aOffset,aFlags); return DoControl(EControlWrite, &d); }
inline TInt RLocalDrive::Write(TInt64 aPos, TInt aLength, const TAny* aSrc, TInt aMessageHandle, TInt anOffset)
	{ TLocalDriveMessageData d(aPos,aLength,aSrc,aMessageHandle,anOffset,0); return DoControl(EControlWrite, &d); }
inline TInt RLocalDrive::Write(TInt64 aPos, const TDesC8& aSrc)
	{ TLocalDriveMessageData d(aPos,aSrc.Length(),&aSrc,KLocalMessageHandle,0,ELocDrvMetaData); return DoControl(EControlWrite, &d); }
inline TInt RLocalDrive::Caps(TDes8& anInfo)
	{ return DoControl(EControlCaps, &anInfo); }
inline TInt RLocalDrive::Format(TInt64 aPos, TInt aLength)
	{ TLocalDriveMessageData d(aPos,aLength,NULL,KLocalMessageHandle,0,0); return DoControl(EControlFormat, &d); }
inline TInt RLocalDrive::ForceMediaChange(TInt aMode)
	{ return DoControl(EControlForceMediaChange, (TAny*)aMode); }
inline void RLocalDrive::NotifyChange(TRequestStatus* aStatus)
	{ *aStatus=KRequestPending; DoControl(EControlNotifyChange, aStatus); }
inline void RLocalDrive::NotifyChangeCancel()
	{ DoControl(EControlNotifyChangeCancel); }
inline TMediaDevice RLocalDrive::MediaDevice()
	{ return (TMediaDevice)DoControl(EControlMediaDevice); }
inline TInt RLocalDrive::SetMountInfo(const TDesC8* aInfo,TInt aMessageHandle)
	{ TLocalDriveMessageData d(0,0,aInfo,aMessageHandle,0,0); return DoControl(EControlSetMountInfo, &d); }
inline TInt RLocalDrive::IsRemovable(TInt& aSocketNum)
	{ return DoControl(EControlIsRemovable,&aSocketNum); }
inline TInt RLocalDrive::ControlIO(TInt aCommand, TAny* aParam1, TAny* aParam2)
	{ TLocalDriveControlIOData d(aCommand,aParam1,aParam2,KLocalMessageHandle); return DoControl(EControlControlIO,&d); }
inline TInt RLocalDrive::ControlIO(TInt aCommand, TDes8& aBuf, TInt aParam)
	{ TLocalDriveControlIOData d(aCommand, (TUint8*) aBuf.Ptr(), aParam, aBuf.MaxLength()); return DoControl(EControlControlIO,&d); }
inline TInt RLocalDrive::ControlIO(TInt aCommand, TDesC8& aBuf, TInt aParam)
	{ TLocalDriveControlIOData d(aCommand, (TUint8*) aBuf.Ptr(), aParam, aBuf.Length()); return DoControl(EControlControlIO,&d); }
inline TInt RLocalDrive::ControlIO(TInt aCommand, TInt aParam1, TInt aParam2)
	{ TLocalDriveControlIOData d(aCommand,(TAny*) aParam1,(TAny*) aParam2,0); return DoControl(EControlControlIO,&d); }


// RLocalDrive Password Control (Set/Lock/Unlock)
inline TInt RLocalDrive::Unlock(const TDesC8& aPassword, TBool aStorePassword)
	{ TLocalDrivePasswordData d((TDesC8&)aPassword, (TDesC8&)aPassword, aStorePassword); return DoControl(EControlPasswordUnlock, &d); }
inline TInt RLocalDrive::SetPassword(const TDesC8& aOldPassword, const TDesC8& aNewPassword, TBool aStorePassword)
	{ TLocalDrivePasswordData d((TDesC8&)aOldPassword, (TDesC8&)aNewPassword, aStorePassword); return DoControl(EControlPasswordLock, &d); }
inline TInt RLocalDrive::Clear(const TDesC8& aPassword)
	{ TLocalDrivePasswordData d((TDesC8&)aPassword, (TDesC8&)aPassword, EFalse); return DoControl(EControlPasswordClear, &d); }
inline TInt RLocalDrive::ErasePassword()
	{ return DoControl(EControlPasswordErase); }

// RLocalDrive Password Store Control (Read/Write/Length)
inline TInt RLocalDrive::ReadPasswordData(TDesC8& aStoreData)
	{ return DoControl(EControlReadPasswordStore, (TDesC8*)&aStoreData); }
inline TInt RLocalDrive::WritePasswordData(const TDesC8& aStoreData)
	{ return DoControl(EControlWritePasswordStore, (TDesC8*)&aStoreData); }
inline TInt RLocalDrive::PasswordStoreLengthInBytes()
	{ TInt length=0; return DoControl(EControlPasswordStoreLengthInBytes, (TAny*)&length)==KErrNone?length:0; }

inline TInt RLocalDrive::DeleteNotify(TInt64 aPos, TInt aLength)
	{ TLocalDriveMessageData d(aPos,aLength,0,KLocalMessageHandle,0,0); return DoControl(EControlDeleteNotify, &d); }

// Get Last Error Info
inline TInt RLocalDrive::GetLastErrorInfo(TDesC8& aErrorInfo)
	{ return DoControl(EControlGetLastErrorInfo, (TDesC8*)&aErrorInfo); }


inline TInt RLocalDrive::QueryDevice(TQueryDevice aQueryDevice, TDes8 &aBuf)
	{ return DoControl(EControlQueryDevice, (TAny*) aQueryDevice, &aBuf); }

inline TLDFormatInfo::TLDFormatInfo()
                     :iCapacity(0),iSectorsPerCluster(0),iSectorsPerTrack(0),iNumberOfSides(0),iFATBits(EFBDontCare),
                     iReservedSectors(0), iFlags(0), iPad(0)
    {
    }

inline TInt64 TLocalDriveCapsV4::MediaSizeInBytes()
	{
	//
	// Return the actual size of the media (as opposed to the partition size)
	//
	// Note : We calculate including iNumPagesPerBlock to maintain compatibility with NAND flash
	//		  where iNumberOfSectors == iNumOfBlocks and iSectorSizeInBytes == iNumBytesMain.
	//		  The local media subsystem sets a default value of iNumPagesPerBlock == 1.
	//
	return(TInt64(iNumberOfSectors) * iSectorSizeInBytes * iNumPagesPerBlock);
	}