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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/hwpf/hwp/bus_training/pbusLinkSvc.C $ */
/* */
/* IBM CONFIDENTIAL */
/* */
/* COPYRIGHT International Business Machines Corp. 2012,2013 */
/* */
/* 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 otherwise */
/* divested of its trade secrets, irrespective of what has been */
/* deposited with the U.S. Copyright Office. */
/* */
/* Origin: 30 */
/* */
/* IBM_PROLOG_END_TAG */
#include "pbusLinkSvc.H"
#include <hwpf/hwpf_reasoncodes.H>
namespace EDI_EI_INITIALIZATION
{
using namespace TARGETING;
using namespace fapi;
PbusLinkSvc & PbusLinkSvc::getTheInstance()
{
return Singleton<PbusLinkSvc>::instance();
}
PbusLinkSvc::PbusLinkSvc()
{
mutex_init(&iv_mutex);
}
PbusLinkSvc::~PbusLinkSvc()
{
mutex_destroy(&iv_mutex);
}
errlHndl_t PbusLinkSvc::getPbusConnections( TargetPairs_t & o_PbusConnections,
TYPE i_busType, bool i_noDuplicate )
{
errlHndl_t l_errl = NULL;
TargetPairs_t * l_PbusConnections = NULL;
o_PbusConnections.clear();
mutex_lock(&iv_mutex);
if (i_busType == TYPE_ABUS)
{
if (iv_abusConnections.size() == 0)
{
l_errl = collectPbusConections( TYPE_ABUS );
}
if (l_errl == NULL)
{
l_PbusConnections = i_noDuplicate ? &iv_abusUniqueConnections :
&iv_abusConnections;
}
}
else
{
if (iv_xbusConnections.size() == 0)
{
l_errl = collectPbusConections( TYPE_XBUS );
}
if (l_errl == NULL)
{
l_PbusConnections = i_noDuplicate ? &iv_xbusUniqueConnections :
&iv_xbusConnections;
}
}
if (l_errl == NULL)
{
o_PbusConnections.insert( (*l_PbusConnections).begin(),
(*l_PbusConnections).end() );
}
mutex_unlock(&iv_mutex);
return l_errl;
}
errlHndl_t PbusLinkSvc::collectPbusConections( TYPE i_busType )
{
errlHndl_t l_errl = NULL;
// Get all functional i_busType chiplets
TARGETING::TargetHandleList l_busTargetList;
getAllChiplets(l_busTargetList, i_busType);
// select the appropriate maps to work with
TargetPairs_t & l_PbusConnections = (i_busType == TYPE_ABUS) ?
iv_abusConnections : iv_xbusConnections;
TargetPairs_t & l_PbusUniqueConnections = (i_busType == TYPE_ABUS) ?
iv_abusUniqueConnections : iv_xbusUniqueConnections;
// Collect all functional i_busType pbus connections
for (TargetHandleList::iterator l_bus_iter = l_busTargetList.begin();
(l_errl == NULL) && (l_bus_iter != l_busTargetList.end());
++l_bus_iter)
{
// get two endpoint targets
const TARGETING::Target * l_pTarget = *l_bus_iter;
const TARGETING::Target * l_dstTgt =
l_pTarget->getAttr<ATTR_PEER_TARGET>();
// connection is existing, not to itself and is a real target
if ((l_dstTgt != NULL) && (l_dstTgt != l_pTarget))
{
TYPE l_dstType = l_dstTgt->getAttr<ATTR_TYPE>();
if (l_dstType != i_busType)
{
TRACFCOMP(TARGETING::g_trac_targeting,
"Both endpoints' bus type mismatch; "
"target HUID %.8X dest HUID",
TARGETING::get_huid(l_pTarget),
TARGETING::get_huid(l_dstTgt));
// Mixed bus type connection
/**
* @errortype ERRL_SEV_UNRECOVERABLE
* @moduleid MOD_EDI_EI_IO_RUN_TRAINING
* @reasoncode RC_MIXED_PBUS_CONNECTION
* @userdata1 Endpoint1 bus type
* @userdata2 Endpoint2 bus type
* @devdesc Platform generated error. See User Data.
*/
l_errl = new ERRORLOG::ErrlEntry(
ERRORLOG::ERRL_SEV_UNRECOVERABLE,
MOD_EDI_EI_IO_RUN_TRAINING,
RC_MIXED_PBUS_CONNECTION,
i_busType,
l_dstType );
continue;
}
// Get the chip parents of endpoints
const TARGETING::Target * l_endp1Parent = getParentChip(l_pTarget);
const TARGETING::Target * l_endp2Parent = getParentChip(l_dstTgt);
if (l_endp1Parent == l_endp2Parent)
{
TRACFCOMP(TARGETING::g_trac_targeting,
"Both endpoints from same chip; "
"target HUID %.8X dest HUID %.8X",
TARGETING::get_huid(l_pTarget),
TARGETING::get_huid(l_dstTgt));
// connection of same chip
/**
* @errortype ERRL_SEV_UNRECOVERABLE
* @moduleid MOD_EDI_EI_IO_RUN_TRAINING
* @reasoncode RC_SAME_CHIP_PBUS_CONNECTION
* @devdesc Platform generated error.
*/
l_errl = new ERRORLOG::ErrlEntry(
ERRORLOG::ERRL_SEV_UNRECOVERABLE,
MOD_EDI_EI_IO_RUN_TRAINING,
RC_SAME_CHIP_PBUS_CONNECTION );
continue;
}
for (TargetHandleList::iterator l_dst_iter = l_busTargetList.begin();
l_dst_iter != l_busTargetList.end();
++l_dst_iter)
{
// l_dstTgt is functional
if (l_dstTgt == *l_dst_iter)
{
// save the pair if not yet done so
l_PbusConnections[l_pTarget] = l_dstTgt;
l_PbusUniqueConnections[l_pTarget] = l_dstTgt;
break;
}
}
}
} // for l_bus_iter
// Validate pbus connections are valid and strike out
// duplicates for the Unique connection map
TargetPairs_t::iterator l_itr, l_jtr;
for (l_itr = l_PbusUniqueConnections.begin();
(l_errl == NULL) && (l_itr != l_PbusUniqueConnections.end());
++l_itr)
{
const TARGETING::Target *l_ptr1 = l_itr->first;
const TARGETING::Target *l_ptr2 = l_itr->second;
l_jtr = l_PbusUniqueConnections.find(l_ptr2);
if ((l_jtr == l_PbusUniqueConnections.end())
|| (l_jtr->second != l_ptr1))
{
// Connection is conflicting, e.g.
// endp1 -> endp2 but endp2 -> endp3.
// endp1 -> endp2 but endp2 -> endp2 (itself) or not existing
EntityPath l_path;
l_path = l_itr->second->getAttr<ATTR_PHYS_PATH>();
char *l_pathString = l_path.toString();
TARG_ERR( "First endpoint's PEER_TARGET is %s", l_pathString );
free (l_pathString);
if (l_jtr != l_PbusUniqueConnections.end())
{
l_path = l_jtr->second->getAttr<ATTR_PHYS_PATH>();
l_pathString = l_path.toString();
TARG_ERR("Second endpoint's PEER_TARGET is %s", l_pathString);
free (l_pathString);
}
else
{
if (l_ptr2)
{
l_path = l_ptr2->getAttr<ATTR_PHYS_PATH>();
l_pathString = l_path.toString();
TARG_ERR("Second endpoint's PEER_TARGET is itself, %s",
l_pathString);
free (l_pathString);
}
else
{
TARG_ERR("Second endpoint's PEER_TARGET is not existing");
}
}
/**
* @errortype ERRL_SEV_UNRECOVERABLE
* @moduleid MOD_EDI_EI_IO_RUN_TRAINING
* @reasoncode RC_CONFLICT_PBUS_CONNECTION
* @userdata1 Bus endpoint target pointer1
* @userdata2 Bus endpoint target pointer2
* @devdesc Platform generated error. See User Data.
*/
l_errl = new ERRORLOG::ErrlEntry(ERRORLOG::ERRL_SEV_UNRECOVERABLE,
MOD_EDI_EI_IO_RUN_TRAINING,
RC_CONFLICT_PBUS_CONNECTION,
reinterpret_cast<uint64_t>(l_ptr1),
reinterpret_cast<uint64_t>(l_ptr2));
break;
}
else
{
l_PbusUniqueConnections.erase(l_jtr);
}
}
return l_errl;
}
}
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