sl@0: // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: /**
sl@0:  @file
sl@0:  @internalTechnology
sl@0: */
sl@0: 
sl@0: #include <e32base.h>
sl@0: #include "debug.h"
sl@0: #include "msdebug.h"
sl@0: #include "msctypes.h"
sl@0: #include "mscutils.h"
sl@0: 
sl@0: #include "mtransport.h"
sl@0: #include "mprotocol.h"
sl@0: #include "tscsiclientreq.h"
sl@0: #include "tscsiblockcmds.h"
sl@0: 
sl@0: 
sl@0: // ****	MODE SENSE (6) ****
sl@0: void TScsiClientModeSense6Resp::DecodeL(const TDesC8& aPtr)
sl@0: 	{
sl@0:     __MSFNSLOG
sl@0:     __SCSIPRINT(_L("--> SCSI MODE SENSE (6)"));
sl@0:     __SCSIPRINT1(_L("len=%d"), aPtr.Length());
sl@0:     // Mode Parameter List
sl@0:     // SPC-3 7.4.2
sl@0:     // - Mode Parameter Header
sl@0:     // - Block Descriptor(s)
sl@0:     // - Mode Page(s)
sl@0: 
sl@0:     // Mode Parameter Header
sl@0:     // SPC-3 7.4.3
sl@0:     // [0] Mode Data Length
sl@0:     // [1] Medium Type
sl@0:     // [2] Device-Specific Paramater
sl@0:     // [3] Block Descriptor Length
sl@0: 
sl@0: 
sl@0:     // validate length
sl@0:     if (aPtr.Length() < KResponseLength)
sl@0:         {
sl@0:         User::Leave(KErrGeneral);
sl@0:         }
sl@0: 
sl@0:     TInt modeDataLength = aPtr[0];
sl@0:     if (aPtr.Length() - 1 < modeDataLength)
sl@0:         {
sl@0:         User::Leave(KErrGeneral);
sl@0:         }
sl@0:    
sl@0:     TInt mediumType = aPtr[1];
sl@0:     TUint8 deviceSpecificParameter = aPtr[2];
sl@0:     // TInt blockDescriptorLength = aPtr[3];
sl@0: 
sl@0:     __SCSIPRINT2(_L("Medium Type=%d DSP=0x%x"), mediumType, deviceSpecificParameter);
sl@0:     // [1] Medium Type
sl@0:     // 0x00 for SBC
sl@0:     if (mediumType == 0)
sl@0:         {
sl@0:         // [2] Device specific parameter
sl@0:         // SBC-3 6.3.1
sl@0:         // get the WP bit from the Device Specific parameters
sl@0:         iWriteProtected = (deviceSpecificParameter & 0x80) ? ETrue : EFalse;
sl@0:         }
sl@0:     else
sl@0:         {
sl@0:         // unsupported medium type
sl@0:         iWriteProtected = EFalse;
sl@0:         }
sl@0: 
sl@0:     // [3] Block Descriptor Length
sl@0:     // 0x00 for no descriptors
sl@0: 
sl@0:     // No Block Descriptors
sl@0: 
sl@0:     // No Mode Pages
sl@0: 
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // ****	MODE SENSE (10) ****
sl@0: void TScsiClientModeSense10Resp::DecodeL(const TDesC8& aPtr)
sl@0: 	{
sl@0:     __MSFNSLOG
sl@0:     __SCSIPRINT(_L("--> SCSI MODE SENSE (10)"));
sl@0:     __SCSIPRINT1(_L("len=%d"), aPtr.Length());
sl@0:     // Mode Parameter List
sl@0:     // SPC-3 7.4.2
sl@0:     // - Mode Parameter Header
sl@0:     // - Block Descriptor(s)
sl@0:     // - Mode Page(s)
sl@0: 
sl@0:     // Mode Parameter Header
sl@0:     // SPC-3 7.4.3
sl@0:     // [0] Mode Data Length
sl@0:     // [1] Mode Data Length
sl@0:     // [2] Medium Type
sl@0:     // [3] Device-Specific Paramater
sl@0:     // [4] Reserved
sl@0:     // [5] Reserved
sl@0:     // [6] Block Descriptor Length
sl@0:     // [7] Block Descriptor Length
sl@0: 
sl@0:     // validate length
sl@0:     if (aPtr.Length() < KResponseLength)
sl@0:         {
sl@0:         User::Leave(KErrGeneral);
sl@0:         }
sl@0:     
sl@0:     TInt modeDataLength = BigEndian::Get32(&aPtr[0]);
sl@0:     if (aPtr.Length() - 2 < modeDataLength)
sl@0:         {
sl@0:         User::Leave(KErrGeneral);
sl@0:         }
sl@0: 
sl@0:     TInt mediumType = aPtr[2];
sl@0:     TUint8 deviceSpecificParameter = aPtr[3];
sl@0:     // TInt blockDescriptorLength = BigEndian::Get32(&aPtr[6]);;
sl@0: 
sl@0:     __SCSIPRINT2(_L("Medium Type=%d DSP=0x%x"), mediumType, deviceSpecificParameter);
sl@0:     // [1] Medium Type
sl@0:     // 0x00 for SBC
sl@0:     if (mediumType == 0)
sl@0:         {
sl@0:         // [2] Device specific parameter
sl@0:         // SBC-3 6.3.1
sl@0:         // get the WP bit from the Device Specific parameters
sl@0:         iWriteProtected = (deviceSpecificParameter & 0x80) ? ETrue : EFalse;
sl@0:         }
sl@0:     else
sl@0:         {
sl@0:         // unsupported medium type
sl@0:         iWriteProtected = EFalse;
sl@0:         }
sl@0: 
sl@0:     // [3] Block Descriptor Length
sl@0:     // 0x00 for no descriptors
sl@0: 
sl@0:     // No Block Descriptors
sl@0: 
sl@0:     // No Mode Pages
sl@0: 
sl@0: 	}
sl@0: 
sl@0: 
sl@0: 
sl@0: // ****	READ CAPACITY (10) ***
sl@0: TInt TScsiClientReadCapacity10Req::EncodeRequestL(TDes8& aBuffer) const
sl@0:     {
sl@0:     __MSFNSLOG
sl@0:     __SCSIPRINT(_L("<-- READ CAPACITY 10"));
sl@0:     TInt length = TScsiClientReq::EncodeRequestL(aBuffer);
sl@0: 
sl@0:     if (iLba)
sl@0:         {
sl@0:         // PMI bit
sl@0:         aBuffer[8] = 0x01;
sl@0:         // LBA
sl@0:         BigEndian::Put32(&aBuffer[2], iLba);
sl@0:         }
sl@0:     return length;
sl@0:     }
sl@0: 
sl@0: 
sl@0: void TScsiClientReadCapacity10Resp::DecodeL(const TDesC8& aPtr)
sl@0: 	{
sl@0:     __MSFNSLOG
sl@0:     __SCSIPRINT(_L("--> SCSI READ CAPACITY (10)"));
sl@0:     iLba = BigEndian::Get32(&aPtr[0]);
sl@0:     iBlockSize = BigEndian::Get32(&aPtr[4]);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // ****	RdWr10 ****
sl@0: TInt TScsiClientRdWr10Req::EncodeRequestL(TDes8& aBuffer) const
sl@0:     {
sl@0:     __MSFNSLOG
sl@0:     TInt length = TScsiClientReq::EncodeRequestL(aBuffer);
sl@0: 
sl@0:     // PROTECT
sl@0:     if (iProtect)
sl@0:         aBuffer[1] = iProtect << 5;
sl@0: 
sl@0:     __SCSIPRINT2(_L("LBA=%08x LEN=%08x"), iLogicalBlockAddress, iBlockTransferLength);
sl@0:     // LOGICAL BLOCK ADDRESS
sl@0:     BigEndian::Put32(&aBuffer[2], iLogicalBlockAddress);
sl@0:     // TRANSFER LENGTH
sl@0:     BigEndian::Put16(&aBuffer[7], iBlockTransferLength);
sl@0:     return length;
sl@0:     }
sl@0: 
sl@0: // ****	READ (10) ****
sl@0: TInt TScsiClientRead10Req::EncodeRequestL(TDes8& aBuffer) const
sl@0:     {
sl@0:     __MSFNSLOG
sl@0:     __SCSIPRINT(_L("<-- SCSI READ (10)"));
sl@0: 	TInt length = TScsiClientRdWr10Req::EncodeRequestL(aBuffer);
sl@0:     return length;
sl@0:     }
sl@0: 
sl@0: 
sl@0: // ****	START STOP UNIT ****
sl@0: TInt TScsiClientStartStopUnitReq::EncodeRequestL(TDes8& aBuffer) const
sl@0:     {
sl@0:     __MSFNSLOG
sl@0:     __SCSIPRINT(_L("--> SCSI START STOP UNIT"));
sl@0:     TInt length = TScsiClientReq::EncodeRequestL(aBuffer);
sl@0: 
sl@0:     // byte 1 mask
sl@0:     const TUint8 KImmedMask = 0x01;
sl@0: 
sl@0:     // byte 4 mask
sl@0:     const TUint8 KStartMask = 0x01;
sl@0:     const TUint8 KLoejMask = 0x02;
sl@0: 
sl@0:     if (iImmed)
sl@0:         aBuffer[1] |= KImmedMask;
sl@0:     if (iStart)
sl@0:         aBuffer[4] |= KStartMask;
sl@0:     if (iLoej)
sl@0:         aBuffer[4] |= KLoejMask;
sl@0:     return length;
sl@0:     }
sl@0: 
sl@0: 
sl@0: // ****	WRITE (10) ****
sl@0: TInt TScsiClientWrite10Req::EncodeRequestL(TDes8& aBuffer) const
sl@0:     {
sl@0:     __MSFNSLOG
sl@0:     __SCSIPRINT(_L("<-- SCSI WRITE 10"));
sl@0: 
sl@0:     TInt length = TScsiClientRdWr10Req::EncodeRequestL(aBuffer);
sl@0:     return length;
sl@0:     }
sl@0: