kernel/eka/drivers/locmedia/dmasupport.inl
author John Imhofe
Mon, 19 Oct 2009 15:55:17 +0100
changeset 0 a41df078684a
child 279 957c583b417b
permissions -rw-r--r--
Convert Kernelhwsrv package from SFL to EPL kernel\eka\compsupp is subject to the ARM EABI LICENSE userlibandfileserver\fatfilenameconversionplugins\unicodeTables is subject to the Unicode license kernel\eka\kernel\zlib is subject to the zlib license
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// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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inline TInt DDmaHelper::PageSizeLog2()	{ return iPageSizeLog2; }
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inline TBool DDmaHelper::IsPageAligned(TLinAddr aAddr)		{ return !(aAddr & iPageSizeMsk); }
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inline TLinAddr DDmaHelper::PageAlign(TLinAddr aAddr)	{ return aAddr & ~iPageSizeMsk; }
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inline TLinAddr DDmaHelper::PageOffset(TLinAddr aAddr)		{ return aAddr & iPageSizeMsk; }
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inline TInt DDmaHelper::MaxFragLength()	const { return iMaxPages << iPageSizeLog2; }
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inline void DDmaHelper::SetFragLength(TInt aLength) { iFragLen = iFragLenRemaining = aLength; }
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inline TInt DDmaHelper::FragLength()	const { return iFragLen; }
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inline TInt DDmaHelper::LengthRemaining() const { return iReqLenClient - iLenConsumed; }
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inline TUint32 DDmaHelper::LengthConsumed() const {return iLenConsumed; }
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inline TBool DDmaHelper::IsDmaAligned(TLinAddr aAddr)		{ return !(aAddr & (iDmaAlignment-1)); }
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inline TBool DDmaHelper::IsBlockAligned(TInt64 aPos)		{ return !(aPos & iMediaBlockSizeMask); }
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inline TInt64 DDmaHelper::BlockAlign(TInt64 aPos)			{ return aPos & ~iMediaBlockSizeMask; }
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inline TInt DDmaHelper::BlockOffset(TInt64 aPos)			{ return TInt(aPos & iMediaBlockSizeMask); }
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inline TLinAddr DDmaHelper::LinAddress() const { return iLinAddressUser + ((TUint32) iReqRemoteDesOffset) + iLenConsumed; }
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