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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/fsi/fsipres.C $ */
/* */
/* IBM CONFIDENTIAL */
/* */
/* COPYRIGHT International Business Machines Corp. 2011,2013 */
/* */
/* 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 <devicefw/driverif.H>
#include <targeting/common/attributes.H>
#include <fsi/fsiif.H>
#include <fsi/fsi_reasoncodes.H>
#include <vpd/mvpdenums.H>
#include <errl/errlmanager.H>
#include <targeting/common/predicates/predicatectm.H>
extern trace_desc_t* g_trac_fsi;
namespace FSI
{
/**
* @brief Performs a presence detect operation on a Processor Chip.
*
* This function does FSI presence detect and compares it to the Module
* VPD that is present, following the pre-defined prototype for a
* device-driver framework function.
*
* @param[in] i_opType Operation type, see DeviceFW::OperationType
* in driverif.H
* @param[in] i_target Presence detect target
* @param[in/out] io_buffer Read: Pointer to output data storage
* Write: Pointer to input data storage
* @param[in/out] io_buflen Input: size of io_buffer (in bytes, always 1)
* Output: Success = 1, Failure = 0
* @param[in] i_accessType DeviceFW::AccessType enum (userif.H)
* @param[in] i_args This is an argument list for DD framework.
* In this function, there are no arguments.
* @return errlHndl_t
*/
errlHndl_t procPresenceDetect(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_errl = NULL;
if (unlikely(io_buflen < sizeof(bool)))
{
TRACFCOMP(g_trac_fsi,
ERR_MRK "FSI::procPresenceDetect> Invalid data length: %d",
io_buflen);
/*@
* @errortype
* @moduleid FSI::MOD_FSIPRES_PROCPRESENCEDETECT
* @reasoncode FSI::RC_INVALID_LENGTH
* @userdata1 Data Length
* @devdesc presenceDetect> Invalid data length (!= 1 bytes)
*/
l_errl =
new ERRORLOG::ErrlEntry(ERRORLOG::ERRL_SEV_UNRECOVERABLE,
FSI::MOD_FSIPRES_PROCPRESENCEDETECT,
FSI::RC_INVALID_LENGTH,
TO_UINT64(io_buflen));
io_buflen = 0;
return l_errl;
}
// First look for FSI presence bits
bool fsi_present = false;
TARGETING::Target* l_masterChip = NULL;
TARGETING::targetService().masterProcChipTargetHandle(l_masterChip);
if ((i_target == TARGETING::MASTER_PROCESSOR_CHIP_TARGET_SENTINEL) ||
(i_target == l_masterChip))
{
fsi_present = true;
}
else
{
fsi_present = isSlavePresent(i_target);
}
// Next look for valid Module VPD by reading the PG record
bool mvpd_present = false;
size_t theSize = 0;
l_errl = deviceRead( i_target,
NULL,
theSize,
DEVICE_MVPD_ADDRESS( MVPD::CP00,
MVPD::VD ) );
if( l_errl )
{
if( fsi_present )
{
// commit this log because we expected to have VPD
errlCommit( l_errl,
FSI_COMP_ID );
}
else
{
// just delete this
delete l_errl;
}
}
if( theSize > 0 )
{
uint8_t theData[theSize];
l_errl = deviceRead( i_target,
theData,
theSize,
DEVICE_MVPD_ADDRESS( MVPD::CP00,
MVPD::VD ) );
if( l_errl )
{
if( fsi_present )
{
// commit this log because we expected to have VPD
errlCommit( l_errl,
FSI_COMP_ID );
}
else
{
// just delete this
delete l_errl;
}
}
else
{
mvpd_present = true;
}
}
// Finally compare the 2 methods
if( fsi_present != mvpd_present )
{
TRACFCOMP(g_trac_fsi,
ERR_MRK "FSI::procPresenceDetect> FSI (=%d) and MVPD (=%d) do not agree for %.8X",
fsi_present, mvpd_present, TARGETING::get_huid(i_target));
/*@
* @errortype
* @moduleid FSI::MOD_FSIPRES_PROCPRESENCEDETECT
* @reasoncode FSI::RC_FSI_MVPD_MISMATCH
* @userdata1 HUID of processor
* @userdata2[0:31] FSI Presence
* @userdata2[32:63] MVPD Presence
* @devdesc presenceDetect> FSI and MVPD do not agree
*/
l_errl =
new ERRORLOG::ErrlEntry(ERRORLOG::ERRL_SEV_UNRECOVERABLE,
FSI::MOD_FSIPRES_PROCPRESENCEDETECT,
FSI::RC_FSI_MVPD_MISMATCH,
TWO_UINT32_TO_UINT64(
fsi_present,
mvpd_present));
//@todo-callout the processor
//l_errl->addHwCallout( i_target, LOW, NO_DECONFIG, NO_GARD );
// commit this log and move on
errlCommit( l_errl,
FSI_COMP_ID );
}
bool present = fsi_present & mvpd_present;
memcpy(io_buffer, &present, sizeof(present));
io_buflen = sizeof(present);
return NULL;
}
/**
* @brief Performs a presence detect operation on a Membuf Chip.
*
* This function does FSI presence detect, following the pre-defined prototype
* for a device-driver framework function.
*
* @param[in] i_opType Operation type, see DeviceFW::OperationType
* in driverif.H
* @param[in] i_target Presence detect target
* @param[in/out] io_buffer Read: Pointer to output data storage
* Write: Pointer to input data storage
* @param[in/out] io_buflen Input: size of io_buffer (in bytes, always 1)
* Output: Success = 1, Failure = 0
* @param[in] i_accessType DeviceFW::AccessType enum (userif.H)
* @param[in] i_args This is an argument list for DD framework.
* In this function, there are no arguments.
* @return errlHndl_t
*/
errlHndl_t membPresenceDetect(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_errl = NULL;
if (unlikely(io_buflen < sizeof(bool)))
{
TRACFCOMP(g_trac_fsi,
ERR_MRK "FSI::membPresenceDetect> Invalid data length: %d",
io_buflen);
/*@
* @errortype
* @moduleid FSI::MOD_FSIPRES_MEMBPRESENCEDETECT
* @reasoncode FSI::RC_INVALID_LENGTH
* @userdata1 Data Length
* @devdesc presenceDetect> Invalid data length (!= 1 bytes)
*/
l_errl =
new ERRORLOG::ErrlEntry(ERRORLOG::ERRL_SEV_UNRECOVERABLE,
FSI::MOD_FSIPRES_MEMBPRESENCEDETECT,
FSI::RC_INVALID_LENGTH,
TO_UINT64(io_buflen));
io_buflen = 0;
return l_errl;
}
// First look for FSI presence bits
bool fsi_present = isSlavePresent(i_target);
//@todo-RTC:44254 : Switch to FRU VPD (vs DIMM)
// Next look for some associated DIMM VPD
bool vpd_present = false;
// find all of the CDIMMs associated with this membuf
TARGETING::PredicateCTM l_dimm(TARGETING::CLASS_LOGICAL_CARD,
TARGETING::TYPE_DIMM,
TARGETING::MODEL_CDIMM);
TARGETING::PredicatePostfixExpr dimm_query;
dimm_query.push(&l_dimm);
TARGETING::TargetHandleList dimm_list;
TARGETING::targetService().getAssociated(dimm_list,
i_target,
TARGETING::TargetService::CHILD_BY_AFFINITY,
TARGETING::TargetService::ALL,
&dimm_query);
if( dimm_list.empty() )
{
vpd_present = false;
}
else
{
size_t presentSize = sizeof(vpd_present);
for( TARGETING::TargetHandleList::iterator dimm = dimm_list.begin();
(dimm != dimm_list.end()) && !vpd_present && !l_errl;
++dimm )
{
l_errl = deviceRead(*dimm,
&vpd_present,
presentSize,
DEVICE_PRESENT_ADDRESS());
}
if( l_errl )
{
// commit this log because we never expect this call to fail
errlCommit( l_errl,
FSI_COMP_ID );
}
}
// Finally compare the 2 methods
if( fsi_present != vpd_present )
{
TRACFCOMP(g_trac_fsi,
ERR_MRK "FSI::membPresenceDetect> FSI (=%d) and VPD (=%d) do not agree for %.8X",
fsi_present, vpd_present, TARGETING::get_huid(i_target));
/*@
* @errortype
* @moduleid FSI::MOD_FSIPRES_MEMBPRESENCEDETECT
* @reasoncode FSI::RC_FSI_MVPD_MISMATCH
* @userdata1 HUID of processor
* @userdata2[0:31] FSI Presence
* @userdata2[32:63] VPD Presence
* @devdesc presenceDetect> FSI and MVPD do not agree
*/
l_errl =
new ERRORLOG::ErrlEntry(ERRORLOG::ERRL_SEV_UNRECOVERABLE,
FSI::MOD_FSIPRES_MEMBPRESENCEDETECT,
FSI::RC_FSI_MVPD_MISMATCH,
TWO_UINT32_TO_UINT64(
fsi_present,
vpd_present));
//@todo-callout the membuf
//l_errl->addHwCallout( i_target, LOW, NO_DECONFIG, NO_GARD );
// commit this log and move on
errlCommit( l_errl,
FSI_COMP_ID );
}
bool present = fsi_present & vpd_present;
memcpy(io_buffer, &present, sizeof(present));
io_buflen = sizeof(present);
return NULL;
}
// Register as the presence detect for processor and memory buffers.
DEVICE_REGISTER_ROUTE(DeviceFW::READ,
DeviceFW::PRESENT,
TARGETING::TYPE_PROC,
procPresenceDetect);
DEVICE_REGISTER_ROUTE(DeviceFW::READ,
DeviceFW::PRESENT,
TARGETING::TYPE_MEMBUF,
membPresenceDetect);
};
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