path: root/src/usr/isteps/istep07/call_mss_freq.C

/* IBM_PROLOG_BEGIN_TAG                                                   */
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/* $Source: src/usr/isteps/istep07/call_mss_freq.C $                      */
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/* OpenPOWER HostBoot Project                                             */
/*                                                                        */
/* Contributors Listed Below - COPYRIGHT 2015,2018                        */
/* [+] International Business Machines Corp.                              */
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/* Licensed under the Apache License, Version 2.0 (the "License");        */
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/* IBM_PROLOG_END_TAG                                                     */
/**
 *  @file call_mss_freq.C
 *  Contains the wrapper for istep 7.3
 */

/******************************************************************************/
// Includes
/******************************************************************************/
#include    <stdint.h>

#include    <trace/interface.H>
#include    <initservice/taskargs.H>
#include    <errl/errlentry.H>

#include    <isteps/hwpisteperror.H>
#include    <errl/errludtarget.H>

#include    <initservice/isteps_trace.H>

//  targeting support
#include    <targeting/common/commontargeting.H>
#include    <targeting/common/utilFilter.H>

#include    <config.h>
#include    <fapi2.H>
#include    <fapi2/plat_hwp_invoker.H>
#include    <util/utilmbox_scratch.H>


// SBE
#include    <sbeif.H>

// HWP
#include    <p9_mss_freq.H>
#include    <p9_mss_freq_system.H>
#include    <p9c_mss_freq.H>

namespace   ISTEP_07
{

using   namespace   ISTEP;
using   namespace   ISTEP_ERROR;
using   namespace   ERRORLOG;
using   namespace   TARGETING;

//
//  Wrapper function to call mss_freq
//
void*    call_mss_freq( void *io_pArgs )
{
    IStepError l_StepError;
    errlHndl_t l_err = NULL;
    bool l_isMemdLoaded = false;

    TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "call_mss_freq entry" );

    do
    {

    TARGETING::TargetHandleList l_membufTargetList;
    getAllChips(l_membufTargetList, TYPE_MEMBUF);

    TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace, "call_mss_freq: %d membufs found",
            l_membufTargetList.size());

    #ifdef CONFIG_SECUREBOOT
    // Load MEMD so that vpd_supported_freqs can use it.
    l_err = loadSecureSection(PNOR::MEMD);
    if (l_err)
    {
        TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
            ERR_MRK "Failed in call to loadSecureSection for section "
            "PNOR:MEMD");

        // Create istep error and link it to PLID of original error
        l_StepError.addErrorDetails(l_err);
        errlCommit(l_err, ISTEP_COMP_ID);
        break;
    }
    else
    {
        l_isMemdLoaded = true;
    }
    #endif

    for (const auto & l_membuf_target : l_membufTargetList)
    {
        TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
            "p9c_mss_freq HWP target HUID %.8x",
            TARGETING::get_huid(l_membuf_target));

        //  call the HWP with each target
        fapi2::Target <fapi2::TARGET_TYPE_MEMBUF_CHIP> l_fapi_membuf_target
                (l_membuf_target);

        FAPI_INVOKE_HWP(l_err, p9c_mss_freq, l_fapi_membuf_target);

        //  process return code.
        if ( l_err )
        {
            TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                "ERROR 0x%.8X:  p9c_mss_freq HWP on target HUID %.8x",
                l_err->reasonCode(), TARGETING::get_huid(l_membuf_target) );

            // capture the target data in the elog
            ErrlUserDetailsTarget(l_membuf_target).addToLog( l_err );

            // Create IStep error log and cross reference to error that occurred
            l_StepError.addErrorDetails( l_err );

            // Commit Error
            errlCommit( l_err, ISTEP_COMP_ID );
        }
        else
        {
            TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                     "SUCCESS :  p9c_mss_freq HWP");
        }

    }

    if(l_StepError.getErrorHandle() == NULL)
    {
        TARGETING::TargetHandleList l_mcsTargetList;
        getAllChiplets(l_mcsTargetList, TYPE_MCS);

        for (const auto & l_mcs_target : l_mcsTargetList)
        {
            TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                "p9_mss_freq HWP target HUID %.8x",
                TARGETING::get_huid(l_mcs_target));

            //  call the HWP with each target   ( if parallel, spin off a task )
            fapi2::Target <fapi2::TARGET_TYPE_MCS> l_fapi_mcs_target
                (l_mcs_target);

            FAPI_INVOKE_HWP(l_err, p9_mss_freq, l_fapi_mcs_target);

            //  process return code.
            if ( l_err )
            {
                TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                "ERROR 0x%.8X:  p9_mss_freq HWP on target HUID %.8x",
                l_err->reasonCode(), TARGETING::get_huid(l_mcs_target) );

                // capture the target data in the elog
                ErrlUserDetailsTarget(l_mcs_target).addToLog( l_err );

                // Create IStep error log and cross reference to error that occurred
                l_StepError.addErrorDetails( l_err );

                // Commit Error
                errlCommit( l_err, ISTEP_COMP_ID );

            }
            else
            {
                TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                     "SUCCESS :  mss_freq HWP");
            }
        } // End memBuf loop

        // PB frequency was set in istep 6 for non MC SYNC mode
        // allow it to change here
        TARGETING::Target * l_sys = nullptr;
        TARGETING::targetService().getTopLevelTarget( l_sys );

        uint32_t l_originalNest = Util::getBootNestFreq();

        // Read MC_SYNC_MODE from SBE itself and set the attribute
        uint8_t l_bootSyncMode = 0;
        l_err = SBE::getBootMcSyncMode( l_bootSyncMode );
        if( l_err )
        {
            TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
                  "Failed getting the boot mc sync mode from the SBE");

            // Create IStep error log and cross reference to error that occurred
            l_StepError.addErrorDetails( l_err );

            // Commit Error
            errlCommit( l_err, ISTEP_COMP_ID );
        }

        TARGETING::Target * l_masterProc = nullptr;
        TARGETING::targetService()
            .masterProcChipTargetHandle( l_masterProc );
        l_masterProc->setAttr<TARGETING::ATTR_MC_SYNC_MODE>(l_bootSyncMode);

        if(l_StepError.getErrorHandle() == NULL) 
        {
            TARGETING::TargetHandleList l_mcbistTargetList;
            getAllChiplets(l_mcbistTargetList, TYPE_MCBIST);
            std::vector< fapi2::Target<fapi2::TARGET_TYPE_MCBIST> > l_fapi2_mcbistTargetList;


            for (const auto & l_mcbist_target : l_mcbistTargetList)
            {
                //  call the HWP with each target   ( if parallel, spin off a task )
                fapi2::Target <fapi2::TARGET_TYPE_MCBIST> l_fapi_mcbist_target(l_mcbist_target);
                l_fapi2_mcbistTargetList.push_back(l_fapi_mcbist_target);
            }


            FAPI_INVOKE_HWP(l_err, p9_mss_freq_system, l_fapi2_mcbistTargetList);

            //  process return code.
            if ( l_err )
            {
                TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                "ERROR 0x%.8X:  p9_mss_freq_system HWP while running on mcbist targets");

                // Create IStep error log and cross reference to error that occurred
                l_StepError.addErrorDetails( l_err );

                // Commit Error
                errlCommit( l_err, ISTEP_COMP_ID );

            }
            else
            {
                TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                    "SUCCESS :  mss_freq_system HWP");
            }
        }
        else
        {
            TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                   "WARNING skipping p9_mss_freq_system HWP due to error detected in p9_mss_freq HWP. An error should have been committed.");
        }


        // Get latest MC_SYNC_MODE and FREQ_PB_MHZ
        uint8_t l_mcSyncMode = l_masterProc->getAttr<TARGETING::ATTR_MC_SYNC_MODE>();
        uint32_t l_newNest = l_sys->getAttr<TARGETING::ATTR_FREQ_PB_MHZ>();

        if(l_StepError.getErrorHandle() == NULL)
        {
            //Trigger sbe update if the nest frequency changed.
            if( (l_newNest != l_originalNest) || (l_mcSyncMode != l_bootSyncMode) )
            {
                TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
                      "The nest frequency or sync mode changed!"
                      " Original Nest: %d New Nest: %d"
                      " Original syncMode: %d New syncMode: %d",
                      l_originalNest, l_newNest, l_bootSyncMode, l_mcSyncMode );
                if(l_sys->getAttr<TARGETING::ATTR_IS_MPIPL_HB>() == true)
                {

                    TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                    "Error: SBE update detected in MPIPL");

                    /*@
                    * @errortype
                    * @moduleid          MOD_SBE_PERFORM_UPDATE_CHECK
                    * @reasoncode        RC_SBE_UPDATE_IN_MPIPL
                    * @userdata1[0:31]   original mc sync mode
                    * @userdata1[32:63]  new mc sync mode
                    * @userdata2[0:31]   original nest frequency
                    * @userdata2[32:63]  new nest frequency
                    * @devdesc           SBE cannot be reset during MPIPL
                    * @custdesc          Illegal action during boot
                    */
                    l_err = new ErrlEntry(ERRL_SEV_INFORMATIONAL,
                                 MOD_SBE_PERFORM_UPDATE_CHECK,
                                 RC_SBE_UPDATE_IN_MPIPL,
                                 TWO_UINT32_TO_UINT64(
                                     TO_UINT32(l_bootSyncMode),
                                     TO_UINT32(l_mcSyncMode)),
                                 TWO_UINT32_TO_UINT64(
                                     l_originalNest, l_newNest));

                    l_StepError.addErrorDetails( l_err );
                    errlCommit( l_err, ISTEP_COMP_ID );
                }
                else
                {
                    TARGETING::setFrequencyAttributes(l_sys,
                                              l_newNest);
                    l_err = SBE::updateProcessorSbeSeeproms();
                    if( l_err )
                    {
                        TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
                          "call_mss_freq.C - Error calling updateProcessorSbeSeeproms");

                        // Create IStep error log and cross reference to error
                        // that occurred
                        l_StepError.addErrorDetails( l_err );

                        // Commit Error
                        errlCommit( l_err, ISTEP_COMP_ID );
                    }
                }
            }
        }
        else
        {
            TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "WARNING skipping SBE update checks due to previous errors" );
        }
    }

    } while(0);

    #ifdef CONFIG_SECUREBOOT
    if(l_isMemdLoaded)
    {
        // Should not have any uncommitted errors at this point.
        assert(l_err == NULL, "call_mss_freq - unexpected uncommitted"
                                                                 "error found");

        l_err = unloadSecureSection(PNOR::MEMD);
        if (l_err)
        {
            TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
                ERR_MRK "Failed in call to unloadSecureSection for section "
                "PNOR:MEMD");

            // Create istep error and link it to PLID of original error
            l_StepError.addErrorDetails(l_err);
            errlCommit(l_err, ISTEP_COMP_ID);
        }
    }
    #endif

    TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "call_mss_freq exit" );


    return l_StepError.getErrorHandle();
}

};   // end namespace