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os/kernelhwsrv/kerneltest/f32test/smassstorage/scsiprot/t_ms_scsi.inl
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution. 
     1 // Copyright (c) 2004-2009 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 // TTestScsiTransport

    15 // setup read data 

    16 // 

    17 //

    18 

    19 inline void TTestScsiTransport::SetupReadData (TPtr8& aData)

    20 	{

    21 	__FNLOG ("TTestScsiTransport::SetupReadData");

    22 

    23 	// copy data from the begining of a buffer, always

    24 	iReadLength = aData.Length();

    25 	aData.Copy (&iBufRead[0], aData.Length());

    26 	}

    27 

    28 /** setup write data */

    29 inline void TTestScsiTransport::SetupWriteData (TPtrC8& aData)

    30 	{

    31 	__FNLOG ("TTestScsiTransport::SetupWriteData");

    32 	iBufWrite.Set(aData);

    33 	}

    34 

    35 /** start a transport */

    36 inline TInt TTestScsiTransport::Start() 

    37 	{

    38 	__FNLOG ("TTestScsiTransport::Start");

    39 	// not implemented

    40 	ASSERT(EFalse);

    41 	return 0;

    42 	}

    43 

    44 /** stop a transport */

    45 inline TInt TTestScsiTransport::Stop()

    46 	{

    47 	__FNLOG ("TTestScsiTransport::Stop");

    48 	// not implemented

    49 	ASSERT(EFalse);

    50 	

    51 	return 0;

    52 	}

    53 

    54 inline void TTestScsiTransport::RegisterProtocol(MProtocolBase& aProtocol)

    55 	{

    56 	__FNLOG ("TTestScsiTransport::RegisterProtocol\n");

    57 	iProtocol = &aProtocol;

    58 	}

    59 

    60 inline TInt TTestScsiTransport::BytesAvailable()

    61 	{

    62 	__FNLOG ("TTestScsiTransport::BytesAvailable\n");

    63 	TUint retVal = iReadLength;

    64 	iReadLength = 0;

    65 	return(retVal);

    66 	}

    67 

    68 inline TInt TTestScsiTransport::InitialiseTransportL(TInt /*aTransportLddFlag*/)

    69 	{

    70 	return KErrNone;

    71 	}

    72 

    73 inline void TTestScsiTransport::GetCommandBufPtr(TPtr8& aDes, TUint aLength)

    74 	{

    75 	__FNLOG ("TTestScsiTransport::GetCommandBufPtr");

    76 	aDes.Set((TUint8*)(iBufCmd.Ptr()), aLength, aLength);

    77 	}

    78 

    79 inline void TTestScsiTransport::GetReadDataBufPtr(TPtr8& aDes)

    80 	{

    81 	__FNLOG ("TTestScsiTransport::GetReadDataBufPtr");

    82 	aDes.Set((TUint8*)(iBufRead.Ptr()),KMaxBufSize, KMaxBufSize);

    83 	}

    84 	

    85 inline void TTestScsiTransport::GetWriteDataBufPtr(TPtrC8& aDes)

    86 	{

    87 	__FNLOG ("TTestScsiTransport::GetWriteDataBufPtr");

    88 	aDes.Set((TUint8*)(iBufRead.Ptr()),iReadLength);

    89 	}

    90 

    91 inline void TTestScsiTransport::SetupReadData(TUint aLength)

    92 	{

    93 	__FNLOG ("TTestScsiTransport::SetupReadData");

    94 	iReadLength = aLength;

    95 	}

    96 

    97 inline void TTestScsiTransport::ProcessReadData(TAny* /*aAddress*/)

    98 	{

    99 	return;

   100 	}

   101 //

   102 // CTestProxyDrive

   103 //

   104 inline TInt CTestProxyDrive::Caps(TDes8& anInfo)

   105 	{ 

   106 	anInfo.Copy(TLocalDriveCapsV4Buf(iCaps)); 

   107 	return KErrNone; 

   108 	}

   109 

   110 

   111 /**

   112 A private structure that, when Connected, holds a pair of references to 

   113 the CProxyDrive and the corresponding TBusLocalDrive's Media Changed flag.

   114 */

   115 struct CMassStorageDrive::CLocalDriveRef : public CBase

   116 	{

   117 	CLocalDriveRef(CProxyDrive& aProxyDrive, TBool& aMediaChanged)

   118 	    : iProxyDrive(aProxyDrive), iMediaChanged(aMediaChanged)

   119 		{

   120 		}

   121 	CProxyDrive& iProxyDrive;

   122 	TBool& iMediaChanged;

   123 	TDriveState iDriveState;	

   124 };

   125 

   126 

   127 //

   128 // CScsiTest

   129 //

   130 inline TBool CScsiTest::DecodePacket(TPtrC8& aCmd)

   131 	{ 

   132 	return iScsiProt->DecodePacket(aCmd, TestLun); 

   133 	}

   134 

   135 

   136 

   137 

   138 //

   139 // command wrappers

   140 //

   141 TRequestSenseData::TRequestSenseData(TPtrC8 aData)

   142 : iData(aData)

   143 // SCSI-2 spec. p.136

   144 	{ 

   145 	ASSERT((iData.Length() >= 17) && (iData[7] + 8 == iData.Length())); 

   146 	}

   147 	

   148 inline TInt8 TRequestSenseData::Key()

   149 	{ 

   150 	return static_cast<TInt8>(iData[2] & 0x0F); 

   151 	}

   152 		

   153 inline TInt8 TRequestSenseData::AdditionalCode()

   154 	{ 

   155 	return iData[12]; 

   156 	}

   157 		

   158 inline TInt8 TRequestSenseData::AdditionalCodeQualifier()

   159 	{ 

   160 	return iData[13]; 

   161 	}

   162 

   163 

   164 //

   165 // class TInquiryData

   166 //

   167 TInquiryData::TInquiryData(TPtrC8 aData)

   168 	{ 

   169 	iData.Set(aData);

   170 	}

   171 	

   172 inline TInt8 TInquiryData::DeviceType() 	// 5 lower bits in 1st byte

   173 	{ 

   174 	return static_cast<TInt8>(iData[0] & 0x1F); 

   175 	}

   176 		

   177 inline TBool TInquiryData::RMB() 			// high bit in 2nd byte

   178 	{ 

   179 	return ((iData[1] & 0x80) == 0x80); 

   180 	}

   181 		

   182 inline TInt8 TInquiryData::Version()		// 3rd byte

   183 	{ 

   184 	return iData[2]; 

   185 	}

   186 	

   187 inline TInt8 TInquiryData::RespDataFrmt()	// 4th byte 

   188 	{ 

   189 	return (iData[3]); 

   190 	}

   191 	

   192 inline TPtr8 TInquiryData::VendorId()

   193 	{ 

   194 	return TPtr8(const_cast<TUint8*>(&iData[8]), 8, 8); 

   195 	}

   196 	

   197 inline TPtr8 TInquiryData::ProductId()

   198 	{ 

   199 	return TPtr8(const_cast<TUint8*>(&iData[16]), 16, 16); 

   200 	}

   201 

   202 inline TPtr8 TInquiryData::RevisionLevel()

   203 	{ 

   204 	return TPtr8(const_cast<TUint8*>(&iData[32]), 4, 4); 

   205 	}

   206 		

   207 inline TInt8 TInquiryData::PeripheralQualifier()	// 3 highest bits in 1st byte

   208 	{ 

   209 	return static_cast<TInt8>((iData[0] & 0xE0) >> 5); 

   210 	}

   211 

   212 inline TInt8 TInquiryData::Length()			// length of Inquiry data

   213 	{ 

   214 	return static_cast<TInt8>(iData[4] + 4); 

   215 	}

   216 

   217 //

   218 // class TReadWrite10Cmd

   219 //

   220 /** set transfer length */

   221 inline void TReadWrite10Cmd::SetTransferLength(TUint16 aLength)

   222 	{

   223 	iCmd[8] = static_cast<TInt8>((aLength & 0xFF00) >> 8);

   224 	iCmd[9] = static_cast<TInt8>(aLength & 0x00FF);

   225 	}

   226 

   227 /** set protect flag */

   228 inline void TReadWrite10Cmd::SetProtect(TUint8 aProtect)

   229 	{

   230 	// Note: used only 3 lower bits

   231 	//			clear flag    and set a new one

   232 	iCmd[2] = static_cast<TInt8>((iCmd[2] & 0x1F) | (aProtect << 5));

   233 	}

   234 

   235 /** setup read command */

   236 inline void TReadWrite10Cmd::SetRead()

   237 	{

   238 	iCmd[1] = 0x28; // READ(10) cmd

   239 	}

   240 

   241 /** setup write command */

   242 inline void TReadWrite10Cmd::SetWrite()

   243 	{

   244 	iCmd[1] = 0x2A; // WRITE(10) cmd

   245 	}

   246 

   247 /** setup verify command */

   248 inline void TReadWrite10Cmd::SetVerify()

   249 	{

   250 	iCmd[1] = 0x2F; // VERIFY(10) cmd

   251 	}

   252 

   253 /** set BYTCHK fiels. Valid for VERIFY10 cmd only */

   254 inline void TReadWrite10Cmd::SetBytChk (TBool aSet)

   255 	{

   256 	if (0x2F == iCmd[1])	// if VERIFY(10)

   257 		{

   258 		iCmd[2] = static_cast<TInt8>((iCmd[2] & 0xFD) | (aSet << 1));

   259 		}

   260 	}

   261 

   262 /** c'or */

   263 inline TModeSenseCmd::TModeSenseCmd()

   264 	{

   265 	iCmd.FillZ (iCmd.MaxLength());

   266 	

   267 	iCmd[0] = static_cast<TInt8>(iCmd.MaxLength()-1);	// size of the Cmd

   268 	iCmd[1] = 0x1A;

   269 	}

   270 

   271 /** set PC, 2 bits field */

   272 inline void TModeSenseCmd::SetPC (TUint8 aPc)

   273 	{

   274 	iCmd[3] = static_cast<TInt8>((iCmd[3] & 0x3F) | (aPc << 6));

   275 	}

   276 	

   277 /** set page code, 6 bits field */

   278 inline void TModeSenseCmd::SetPageCode (TUint8 aPageCode)

   279 	{

   280 	iCmd[3] = static_cast<TInt8>((iCmd[3] & 0xC0) | aPageCode);

   281 	}

   282 

   283 

   284 inline TInquiryCmd::TInquiryCmd()

   285 	{

   286 	iCmd.FillZ (iCmd.MaxLength());

   287 	iCmd[0] = static_cast<TInt8>(iCmd.MaxLength()-1);	// size of a command itself

   288 	iCmd[1] = 0x12; 				// inquiry operation code

   289 	iCmd[5] = 36;					// min required allocation length

   290 	}

   291 

   292 inline TTestUnitReadyCmd::TTestUnitReadyCmd()

   293 	{

   294 	iCmd.FillZ (iCmd.MaxLength());

   295 	iCmd[0] = static_cast<TInt8>(iCmd.MaxLength()-1);	// size of a command itself

   296 	iCmd[1] = 0x00; 				// TEST UNIT READY command

   297 	}

   298 	

   299 inline TMediaRemovalCmd::TMediaRemovalCmd()

   300 	{

   301 	iCmd.FillZ (iCmd.MaxLength());

   302 	iCmd[0] = static_cast<TInt8>(iCmd.MaxLength()-1);	// size of a command itself

   303 	iCmd[1] = 0x1E; 				// PREVENT ALLOW MEDIUM REMOVAL command

   304 	}

   305 	

   306 inline TReadCapacityCmd::TReadCapacityCmd()

   307 	{

   308 	iCmd.FillZ (iCmd.MaxLength());

   309 	iCmd[0] = static_cast<TInt8>(iCmd.MaxLength()-1);	// size of a command itself

   310 	iCmd[1] = 0x25; 				// READ CAPACITY command

   311 	}

   312 

   313 inline TReadCapacityResponse::TReadCapacityResponse(const TDesC8 &aDes)

   314 	: TPtrC8(aDes)

   315 	{

   316 	}

   317 	

   318 /** accessor */

   319 inline TUint32 TReadCapacityResponse::LBAddress()

   320 	{

   321 	return TUint32(AtC(0)<<24) | (AtC(1)<<16) | AtC(2)<<8 | AtC(3);

   322 	}

   323 	

   324 /** accessor */

   325 inline TUint32 TReadCapacityResponse::BlockLength()

   326 	{

   327 	return TUint32(AtC(4)<<24) | (AtC(5)<<16) | AtC(6)<<8 | AtC(7);

   328 	}

   329
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