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//  IBM_PROLOG_BEGIN_TAG
//  This is an automatically generated prolog.
//
//  $Source: src/usr/scom/scom.C $
//
//  IBM CONFIDENTIAL
//
//  COPYRIGHT International Business Machines Corp. 2011
//
//  p1
//
//  Object Code Only (OCO) source materials
//  Licensed Internal Code Source Materials
//  IBM HostBoot Licensed Internal Code
//
//  The source code for this program is not published or other-
//  wise divested of its trade secrets, irrespective of what has
//  been deposited with the U.S. Copyright Office.
//
//  Origin: 30
//
//  IBM_PROLOG_END
/**
 *  @file scom.C
 *
 *  @brief Implementation of SCOM operations
 */

/*****************************************************************************/
// I n c l u d e s
/*****************************************************************************/
#include <assert.h>
#include <devicefw/driverif.H>
#include <trace/interface.H>
#include <errl/errlentry.H>
#include <errl/errlmanager.H>
#include "scom.H"

// Trace definition
trace_desc_t* g_trac_scom = NULL;
TRAC_INIT(&g_trac_scom, "SCOM", 1024); //1K


namespace SCOM
{

// Register Scom access functions to DD framework
DEVICE_REGISTER_ROUTE(DeviceFW::WILDCARD,
                      DeviceFW::SCOM,
                      TARGETING::TYPE_PROC,
                      scomPerformOp);

///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
errlHndl_t scomPerformOp(DeviceFW::OperationType i_opType,
                         TARGETING::Target* i_target,
                         void* io_buffer,
                         size_t& io_buflen,
                         int64_t i_accessType,
                         va_list i_args)
{
    errlHndl_t l_err = NULL;

    do{
        //Always XSCOM the Master Sentinel
        if((TARGETING::MASTER_PROCESSOR_CHIP_TARGET_SENTINEL == i_target) ||
            (i_target->getAttr<TARGETING::ATTR_SCOM_SWITCHES>().useXscom))
        {  //do XSCOM

            l_err = deviceOp(i_opType,
                             i_target,
                             io_buffer,
                             io_buflen,
                             DEVICE_XSCOM_ADDRESS(va_arg(i_args,uint64_t)));
            break;
        }
        else if(i_target->getAttr<TARGETING::ATTR_SCOM_SWITCHES>().useFsiScom)
        {   //do FSISCOM
            l_err = deviceOp(i_opType,
                             i_target,
                             io_buffer,
                             io_buflen,
                             DEVICE_FSISCOM_ADDRESS(va_arg(i_args,uint64_t)));
            if( l_err ) { break; }
        }
        else
        {
            //@todo - add target info to assert trace
            assert(0,"SCOM::scomPerformOp> ATTR_SCOM_SWITCHES does not indicate Xscom or FSISCOM is supported");
            break;
        }

    }while(0);

    return l_err;
}



} // end namespace
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