1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 

    17 inline TInt DDmaHelper::PageSizeLog2()	{ return iPageSizeLog2; }

    18 inline TBool DDmaHelper::IsPageAligned(TLinAddr aAddr)		{ return !(aAddr & iPageSizeMsk); }

    19 inline TLinAddr DDmaHelper::PageAlign(TLinAddr aAddr)	{ return aAddr & ~iPageSizeMsk; }

    20 inline TLinAddr DDmaHelper::PageOffset(TLinAddr aAddr)		{ return aAddr & iPageSizeMsk; }

    21 

    22 

    23 inline TInt DDmaHelper::MaxFragLength()	const { return iMaxPages << iPageSizeLog2; }

    24 inline void DDmaHelper::SetFragLength(TInt aLength) { iFragLen = iFragLenRemaining = aLength; }

    25 inline TInt DDmaHelper::FragLength()	const { return iFragLen; }

    26 inline TInt DDmaHelper::LengthRemaining() const { return iReqLenClient - iLenConsumed; }

    27 inline TUint32 DDmaHelper::LengthConsumed() const {return iLenConsumed; }

    28 

    29 

    30 inline TBool DDmaHelper::IsDmaAligned(TLinAddr aAddr)		{ return !(aAddr & (iDmaAlignment-1)); }

    31 

    32 inline TBool DDmaHelper::IsBlockAligned(TInt64 aPos)		{ return !(aPos & iMediaBlockSizeMask); }

    33 inline TInt64 DDmaHelper::BlockAlign(TInt64 aPos)			{ return aPos & ~iMediaBlockSizeMask; }

    34 inline TInt DDmaHelper::BlockOffset(TInt64 aPos)			{ return TInt(aPos & iMediaBlockSizeMask); }

    35 

    36 inline TLinAddr DDmaHelper::LinAddress() const { return iLinAddressUser + ((TUint32) iReqRemoteDesOffset) + iLenConsumed; }

    37