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// Copyright (c) 2010 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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/**
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@file
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@internalComponent
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@prototype
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*/
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#include <drivers/mmc.h>
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#include <drivers/rpmbpacket.h>
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#include "OstTraceDefinitions.h"
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#ifdef OST_TRACE_COMPILER_IN_USE
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#include "../../../include/drivers/locmedia_ost.h"
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#ifdef __VC32__
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#pragma warning(disable: 4127) // disabling warning "conditional expression is constant"
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#endif
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#include "rpmbstackTraces.h"
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#endif
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TMMCErr DMMCStack::CIMRpmbAccessSM()
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{
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enum TStates
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{
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EStBegin,
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EStEnd
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};
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DMMCSession& s=Session();
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//Extract the RPMB request type from the command. JEDEC specify this to be situated
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//at offset 0 in the packet. When accessing the hardware, this is reversed and is
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//at offset 511
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TUint8 requestType = * (s.Command().iDataMemoryP + KRpmbRequestLsbOffset);
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//There are 5 possible rpmb request types that can be passed through the state machines:
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//
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//Authentication Key programming request: KRpmbRequestWriteKey = 0x001
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//Reading of the write counter value request: KRpmbRequestReadWriteCounter = 0x0002;
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//Authenticated data write request: KRpmbRequestWriteData = 0x0003;
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//Authenticated data read request: KRpmbRequestReadData = 0x0004;
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//Result read request: KRpmbRequestReadResultRegister = 0x0005;
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//
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SMF_BEGIN
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switch (requestType)
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{
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case KRpmbRequestWriteKey:
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SMF_INVOKES(CIMRpmbWriteAuthenticationKeySMST, EStEnd);
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case KRpmbRequestReadWriteCounter:
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SMF_INVOKES(CIMRpmbReadWrCounterSMST, EStEnd);
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case KRpmbRequestWriteData:
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SMF_INVOKES(CIMRpmbWriteSMST, EStEnd);
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case KRpmbRequestReadData:
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SMF_INVOKES(CIMRpmbReadSMST, EStEnd);
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default:
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break;
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}
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SMF_END
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}
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TMMCErr DMMCStack::CIMRpmbWriteAuthenticationKeySM()
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{
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enum TStates
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{
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EStBegin, // Write key request
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EStSetupReadRequest,
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EStReadResult,
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EStError,
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EStEnd
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};
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DMMCSession& s=Session();
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SMF_BEGIN
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//
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// Setup write request
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// CMD23 Reliable Write = 1 Block Count = 1
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// CMD25
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//
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s.SetupRpmbSendRequest(ETrue);
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//
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// KMMCErrByPass is routinely thrown in the ReadWriteBlocks state machine.
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// It is thrown to indicate that the current command in the state machine is not CMD42(lock/unlock)
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// We need to trap this error here to stop the RPMB state machines from unravelling and passing
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// the error upwards.
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//
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m.SetTraps(KMMCErrBypass);
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OstTrace0(TRACE_FLOW, DMMCSTACK_CIMRPMBWRITEAUTHENTICATIONKEYSM1, "RPMB: Write Key State Machine - send write key request packet");
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__KTRACE_OPT(KPBUS1, Kern::Printf("RPMB: Write Key State Machine - send write key request packet"));
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SMF_INVOKES(CIMReadWriteBlocksSMST, EStSetupReadRequest);
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SMF_STATE(EStSetupReadRequest)
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OstTrace0(TRACE_FLOW, DMMCSTACK_CIMRPMBWRITEAUTHENTICATIONKEYSM2, "RPMB: Write Key State Machine - sent write key request packet");
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__KTRACE_OPT(KPBUS1, Kern::Printf("RPMB: Write Key State Machine - sent write key request packet"));
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if (err != KMMCErrNone)
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{
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OstTrace1(TRACE_FLOW, DMMCSTACK_CIMRPMBWRITEAUTHENTICATIONKEYSM3, "RPMB: Write Key State Machine - sent write key request packet error = %d", err);
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__KTRACE_OPT(KPBUS1, Kern::Printf("RPMB: Write Key State Machine - sent write key request packet error = %d", err));
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SMF_GOTOS(EStError);
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}
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//
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// Setup read result register request
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// CMD23 Reliable Write = 0 Block Count = 1
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// CMD25
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//
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s.SetupRpmbSendReadResultRegisterRequest();
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OstTrace0(TRACE_FLOW, DMMCSTACK_CIMRPMBWRITEAUTHENTICATIONKEYSM4, "RPMB: Write Key State Machine - send read result register request packet");
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__KTRACE_OPT(KPBUS1, Kern::Printf("RPMB: Write Key State Machine - send read result register request packet"));
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SMF_INVOKES(CIMReadWriteBlocksSMST, EStReadResult)
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SMF_STATE(EStReadResult)
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OstTrace0(TRACE_FLOW, DMMCSTACK_CIMRPMBWRITEAUTHENTICATIONKEYSM5, "RPMB: Write Key State Machine - sent read result register request packet");
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__KTRACE_OPT(KPBUS1, Kern::Printf("RPMB: Write Key State Machine - sent read result register request packet"));
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if (err != KMMCErrNone)
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{
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OstTrace1(TRACE_FLOW, DMMCSTACK_CIMRPMBWRITEAUTHENTICATIONKEYSM6, "RPMB: Write Key State Machine - sent read result register request packet error = %d", err);
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__KTRACE_OPT(KPBUS1, Kern::Printf("RPMB: Write Key State Machine - sent read result register request packet error = %d", err));
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SMF_GOTOS(EStError);
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}
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//
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// Setup read response
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// CMD23 Reliable Write = 0 Block Count = 1
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// CMD18
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//
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s.SetupRpmbReceiveResponse();
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OstTrace0(TRACE_FLOW, DMMCSTACK_CIMRPMBWRITEAUTHENTICATIONKEYSM7, "RPMB: Write Key State Machine - get read packet");
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__KTRACE_OPT(KPBUS1, Kern::Printf("RPMB: Write Key State Machine - get read packet"));
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SMF_INVOKES(CIMReadWriteBlocksSMST, EStEnd);
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SMF_STATE(EStError)
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SMF_RETURN(err);
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SMF_END
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}
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TMMCErr DMMCStack::CIMRpmbReadWrCounterSM()
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{
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enum TStates
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{
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EStBegin, // Read counter request
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EStReadResult,
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EStError,
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EStEnd
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};
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DMMCSession& s=Session();
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SMF_BEGIN
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//
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// Setup write request
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// CMD23 Reliable Write = 0 Block Count = 1
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// CMD25
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//
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s.SetupRpmbSendRequest(EFalse);
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m.SetTraps(KMMCErrBypass);
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OstTrace0(TRACE_FLOW, DMMCSTACK_CIMRPMBREADWRCOUNTERSM1, "RPMB: Read Write Counter State Machine - send read counter request packet");
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__KTRACE_OPT(KPBUS1, Kern::Printf("RPMB: Read Write Counter State Machine - send read counter request packet"));
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SMF_INVOKES(CIMReadWriteBlocksSMST, EStReadResult)
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SMF_STATE(EStReadResult)
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OstTrace0(TRACE_FLOW, DMMCSTACK_CIMRPMBREADWRCOUNTERSM2, "RPMB: Read Write Counter State Machine - sent read counter request packet");
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__KTRACE_OPT(KPBUS1, Kern::Printf("RPMB: Read Write Counter State Machine - sent read counter request packet"));
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if (err != KMMCErrNone)
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{
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OstTrace1(TRACE_FLOW, DMMCSTACK_CIMRPMBREADWRCOUNTERSM3, "RPMB: Read Write Counter State Machine - sent read counter request packet error = %d", err);
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__KTRACE_OPT(KPBUS1, Kern::Printf("RPMB: Read Write Counter State Machine - sent read counter request packet error = %d", err));
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SMF_GOTOS(EStError);
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}
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//
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// Setup read response
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// CMD23 Reliable Write = 0 Block Count = 1
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// CMD18
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//
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s.SetupRpmbReceiveResponse();
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OstTrace0(TRACE_FLOW, DMMCSTACK_CIMRPMBREADWRCOUNTERSM4, "RPMB: Read Write Counter State Machine - get read packet");
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__KTRACE_OPT(KPBUS1, Kern::Printf("RPMB: Read Write Counter State Machine - get read packet"));
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SMF_INVOKES(CIMReadWriteBlocksSMST, EStEnd);
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SMF_STATE(EStError)
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SMF_RETURN(err);
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SMF_END
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}
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TMMCErr DMMCStack::CIMRpmbWriteSM()
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{
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enum TStates
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{
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EStBegin, // Write data request
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EStSetupReadRequest,
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EStReadResult,
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EStError,
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EStEnd
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};
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DMMCSession& s=Session();
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SMF_BEGIN
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//
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// Setup write request
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// CMD23 Reliable Write = 1 Block Count = 1
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// CMD25
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//
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s.SetupRpmbSendRequest(ETrue);
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m.SetTraps(KMMCErrBypass);
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OstTrace0(TRACE_FLOW, DMMCSTACK_CIMRPMBWRITESM1, "RPMB: Write State Machine - send write request packet");
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__KTRACE_OPT(KPBUS1, Kern::Printf("RPMB: Write State Machine - send write request packet"));
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SMF_INVOKES(CIMReadWriteBlocksSMST, EStSetupReadRequest);
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SMF_STATE(EStSetupReadRequest)
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OstTrace0(TRACE_FLOW, DMMCSTACK_CIMRPMBWRITESM2, "RPMB: Write State Machine - sent write request packet");
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__KTRACE_OPT(KPBUS1, Kern::Printf("RPMB: Write State Machine - sent write request packet"));
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if (err != KMMCErrNone)
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{
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OstTrace1(TRACE_FLOW, DMMCSTACK_CIMRPMBWRITESM3, "RPMB: Write State Machine - sent write request packet error = %d", err);
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__KTRACE_OPT(KPBUS1, Kern::Printf("RPMB: Write State Machine - sent write request packet error = %d", err));
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SMF_GOTOS(EStError);
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}
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//
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// Setup read result register request
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// CMD23 Reliable Write = 0 Block Count = 1
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// CMD25
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//
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s.SetupRpmbSendReadResultRegisterRequest();
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OstTrace0(TRACE_FLOW, DMMCSTACK_CIMRPMBWRITESM4, "RPMB: Write State Machine - send read result register request packet");
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__KTRACE_OPT(KPBUS1, Kern::Printf("RPMB: Write State Machine - send read result register request packet"));
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SMF_INVOKES(CIMReadWriteBlocksSMST, EStReadResult)
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SMF_STATE(EStReadResult)
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OstTrace0(TRACE_FLOW, DMMCSTACK_CIMRPMBWRITESM5, "RPMB: Write State Machine - sent read result register request packet");
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__KTRACE_OPT(KPBUS1, Kern::Printf("RPMB: Write State Machine - sent read result register request packet"));
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if (err != KMMCErrNone)
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{
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OstTrace1(TRACE_FLOW, DMMCSTACK_CIMRPMBWRITESM6, "RPMB: Write State Machine - sent read result register request packet error = %d", err);
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__KTRACE_OPT(KPBUS1, Kern::Printf("RPMB: Write State Machine - sent read result register request packet error = %d", err));
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SMF_GOTOS(EStError);
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}
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//
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// Setup read response
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// CMD23 Reliable Write = 0 Block Count = 1
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// CMD18
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//
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s.SetupRpmbReceiveResponse();
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OstTrace0(TRACE_FLOW, DMMCSTACK_CIMRPMBWRITESM7, "RPMB: Write State Machine - get read packet");
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__KTRACE_OPT(KPBUS1, Kern::Printf("RPMB: Write State Machine - get read packet"));
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SMF_INVOKES(CIMReadWriteBlocksSMST, EStEnd);
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SMF_STATE(EStError)
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SMF_RETURN(err);
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SMF_END
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}
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TMMCErr DMMCStack::CIMRpmbReadSM()
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{
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enum TStates
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{
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EStBegin, // Read data request
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EStReadResult,
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EStError,
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EStEnd
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};
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DMMCSession& s=Session();
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SMF_BEGIN
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//
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// Setup write request
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// CMD23 Reliable Write = 0 Block Count = 1
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// CMD25
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//
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s.SetupRpmbSendRequest(EFalse);
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m.SetTraps(KMMCErrBypass);
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OstTrace0(TRACE_FLOW, DMMCSTACK_CIMRPMBREADSM1, "RPMB: Read State Machine - send read request packet");
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__KTRACE_OPT(KPBUS1, Kern::Printf("RPMB: Read State Machine - send read request packet"));
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SMF_INVOKES(CIMReadWriteBlocksSMST, EStReadResult)
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SMF_STATE(EStReadResult)
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OstTrace0(TRACE_FLOW, DMMCSTACK_CIMRPMBREADSM2, "RPMB: Read State Machine - sent read request packet");
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__KTRACE_OPT(KPBUS1, Kern::Printf("RPMB: Read State Machine - sent read request packet"));
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if (err != KMMCErrNone)
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{
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OstTrace1(TRACE_FLOW, DMMCSTACK_CIMRPMBREADSM3, "RPMB: Read State Machine - sent read request packet error = %d", err);
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__KTRACE_OPT(KPBUS1, Kern::Printf("RPMB: Read State Machine - sent read request packet error = %d", err));
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SMF_GOTOS(EStError);
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}
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//
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// Setup read response
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// CMD23 Reliable Write = 0 Block Count = 1
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// CMD18
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//
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s.SetupRpmbReceiveResponse();
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OstTrace0(TRACE_FLOW, DMMCSTACK_CIMRPMBREADSM4, "RPMB: Read State Machine - get read packet");
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__KTRACE_OPT(KPBUS1, Kern::Printf("RPMB: Read State Machine - get read packet"));
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SMF_INVOKES(CIMReadWriteBlocksSMST, EStEnd);
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SMF_STATE(EStError)
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SMF_RETURN(err);
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SMF_END
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}
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TMMCErr DMMCStack::CIMRpmbAccessSMST(TAny* aStackP)
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{return(static_cast<DMMCStack*>(aStackP)->CIMRpmbAccessSM());}
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TMMCErr DMMCStack::CIMRpmbWriteAuthenticationKeySMST(TAny* aStackP)
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{return(static_cast<DMMCStack*>(aStackP)->CIMRpmbWriteAuthenticationKeySM());}
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TMMCErr DMMCStack::CIMRpmbReadWrCounterSMST(TAny* aStackP)
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{return(static_cast<DMMCStack*>(aStackP)->CIMRpmbReadWrCounterSM());}
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TMMCErr DMMCStack::CIMRpmbWriteSMST(TAny* aStackP)
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{return(static_cast<DMMCStack*>(aStackP)->CIMRpmbWriteSM());}
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TMMCErr DMMCStack::CIMRpmbReadSMST(TAny* aStackP)
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{return(static_cast<DMMCStack*>(aStackP)->CIMRpmbReadSM());}
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