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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/diag/prdf/common/plat/pegasus/prdfPhbUtils.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* COPYRIGHT International Business Machines Corp. 2012,2014 */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
/** @file prdfPhbUtils.C */
#include <prdfPhbUtils.H>
#include <prdfPlatServices.H>
#include <prdfTrace.H>
using namespace TARGETING;
namespace PRDF
{
using namespace PlatServices;
namespace Proc
{
int32_t getConfiguredPHB( TargetHandle_t i_procTrgt, uint32_t i_iopciIdx,
uint32_t i_clkIdx, TargetHandle_t & o_phbTrgt )
{
#define PRDF_FUNC "[Proc::getConfiguredPHB] "
int32_t o_rc = SUCCESS;
o_phbTrgt = NULL;
enum TableBounds
{
MAX_CONFIGS = 14,
MAX_FIRS = 2,
MAX_CLOCKS = 2,
// Array index for the processor models.
MURANO_IDX = 0,
VENICE_IDX,
MAX_MODELS,
};
enum TableValues
{
// These PHB enums must match the PHB position number.
PHB0 = 0,
PHB1,
PHB2,
// The dSMP connections are not used but we will still list them in the
// table just in case the are needed later.
NONE = MAX_PHB_PER_PROC,
SMP0 = MAX_PHB_PER_PROC,
SMP1 = MAX_PHB_PER_PROC,
};
static const uint8_t table[MAX_CONFIGS][MAX_MODELS][MAX_FIRS][MAX_CLOCKS] =
{
//----------Murano------------||-----------Venice-----------||
//--IOPCIFIR-0-||-IOPCIFIR-1--||--IOPCIFIR-0-||-IOPCIFIR-1--||
//----A--|--B--||--A--|--B----||----A--|--B--||--A--|--B----||
{ { {PHB0,PHB0}, {PHB1,NONE} }, { {PHB0,PHB0}, {PHB1,PHB1} }, }, // 0x0
{ { {PHB0,PHB0}, {PHB1,NONE} }, { {PHB0,PHB0}, {PHB1,PHB2} }, }, // 0x1
{ { {PHB0,NONE}, {PHB1,NONE} }, { {PHB0,NONE}, {PHB1,PHB1} }, }, // 0x2
{ { {PHB0,PHB2}, {PHB1,NONE} }, { {PHB0,NONE}, {PHB1,PHB2} }, }, // 0x3
{ { {PHB0,SMP0}, {PHB1,NONE} }, { {PHB0,SMP0}, {PHB1,PHB1} }, }, // 0x4
{ { {PHB0,SMP0}, {PHB1,NONE} }, { {PHB0,SMP0}, {PHB1,PHB2} }, }, // 0x5
{ { {PHB1,PHB1}, {SMP1,NONE} }, { {SMP1,PHB0}, {PHB1,PHB1} }, }, // 0x6
{ { {PHB1,PHB2}, {SMP1,NONE} }, { {SMP1,PHB0}, {PHB1,PHB2} }, }, // 0x7
{ { {SMP1,SMP0}, {PHB1,NONE} }, { {SMP1,SMP0}, {PHB1,PHB1} }, }, // 0x8
{ { {SMP1,SMP0}, {PHB1,NONE} }, { {SMP1,SMP0}, {PHB1,PHB2} }, }, // 0x9
{ { {SMP1,PHB2}, {SMP0,NONE} }, { {SMP1,SMP0}, {PHB1,PHB2} }, }, // 0xA
{ { {PHB1,SMP0}, {SMP1,NONE} }, { {SMP1,SMP0}, {PHB1,PHB2} }, }, // 0xB
{ { {SMP1,PHB2}, {PHB1,NONE} }, { {SMP1,PHB0}, {PHB1,PHB2} }, }, // 0xC
};
do
{
// Check parameters
if ( MAX_FIRS <= i_iopciIdx )
{
PRDF_ERR( PRDF_FUNC"i_iopciIdx is unsupported: %d", i_iopciIdx );
o_rc = FAIL; break;
}
if ( MAX_CLOCKS <= i_clkIdx )
{
PRDF_ERR( PRDF_FUNC"i_clkIdx is unsupported: %d", i_clkIdx );
o_rc = FAIL; break;
}
// Get the processor model and config table.
MODEL model = getProcModel( i_procTrgt );
uint32_t modelIdx = MAX_MODELS;
switch ( model )
{
case MODEL_MURANO: modelIdx = MURANO_IDX; break;
case MODEL_VENICE: modelIdx = VENICE_IDX; break;
default:
PRDF_ERR( PRDF_FUNC"unsupported processor model: %d", model );
o_rc = FAIL;
}
if ( SUCCESS != o_rc ) break;
// Get the PHB configuration.
uint32_t phbConfig = getPhbConfig( i_procTrgt );
if ( MAX_CONFIGS <= phbConfig )
{
PRDF_ERR( PRDF_FUNC"unsupportd PHB config: %d", phbConfig );
o_rc = FAIL; break;
}
// Get the PHB target, if it exists.
uint8_t phbPos = table[phbConfig][modelIdx][i_iopciIdx][i_clkIdx];
if ( MAX_PHB_PER_PROC > phbPos )
{
o_phbTrgt = getConnectedChild( i_procTrgt, TYPE_PCI, phbPos );
if ( NULL == o_phbTrgt ) // Target should exist.
{
PRDF_ERR( PRDF_FUNC"getConnectedChild(%d) failed", phbPos );
o_rc = FAIL; break;
}
}
} while (0);
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC"Failed: i_procTrgt=0x%08x i_iopciIdx=%d "
"i_clkIdx=%d", getHuid(i_procTrgt), i_iopciIdx, i_clkIdx );
}
return o_rc;
#undef PRDF_FUNC
}
} // end namespace Proc
} // end namespace PRDF
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