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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/fsi/fsipres.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2011,2014 */
/* [+] Google Inc. */
/* [+] International Business Machines Corp. */
/* */
/* */
/* 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 */
#include <devicefw/driverif.H>
#include <targeting/common/attributes.H>
#include <fsi/fsiif.H>
#include <fsi/fsi_reasoncodes.H>
#include <vpd/mvpdenums.H>
#include <vpd/cvpdenums.H>
#include <vpd/vpd_if.H>
#include <errl/errlmanager.H>
#include <hwas/common/hwasCallout.H>
#include <targeting/common/predicates/predicatectm.H>
#include <config.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),
true /*SW error*/);
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
bool check_for_mvpd = true;
#ifdef CONFIG_MVPD_READ_FROM_HW
check_for_mvpd = fsi_present;
#endif // CONFIG_MVPD_READ_FROM_HW
bool mvpd_present = false;
if ( check_for_mvpd )
{
mvpd_present = VPD::mvpdPresent( i_target );
}
// 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,
TARGETING::get_huid(i_target),
TWO_UINT32_TO_UINT64(
fsi_present,
mvpd_present));
// Callout the processor
l_errl->addHwCallout( i_target,
HWAS::SRCI_PRIORITY_LOW,
HWAS::NO_DECONFIG,
HWAS::GARD_NULL );
// Add FFDC for the target to an error log
getFsiFFDC( FFDC_PRESENCE_FAIL, l_errl, i_target);
// Add FSI and VPD trace
l_errl->collectTrace("FSI");
l_errl->collectTrace("VPD");
// 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),
true /*SW error*/);
io_buflen = 0;
return l_errl;
}
// First look for FSI presence bits
bool fsi_present = isSlavePresent(i_target);
// Next look for memb FRU VPD
bool check_for_cvpd = true;
#ifdef CONFIG_CVPD_READ_FROM_HW
check_for_cvpd = fsi_present;
#endif // CONFIG_CVPD_READ_FROM_HW
bool cvpd_present = false;
if ( check_for_cvpd )
{
cvpd_present = VPD::cvpdPresent( i_target );
}
// Finally compare the 2 methods
if( fsi_present != cvpd_present )
{
TRACFCOMP(g_trac_fsi,
ERR_MRK "FSI::membPresenceDetect> FSI (=%d) and VPD (=%d) do not agree for %.8X",
fsi_present, cvpd_present, TARGETING::get_huid(i_target));
/*@
* @errortype
* @moduleid FSI::MOD_FSIPRES_MEMBPRESENCEDETECT
* @reasoncode FSI::RC_FSI_CVPD_MISMATCH
* @userdata1 HUID of membuffer
* @userdata2[0:31] FSI Presence
* @userdata2[32:63] VPD Presence
* @devdesc presenceDetect> FSI and CVPD do not agree
*/
l_errl =
new ERRORLOG::ErrlEntry(ERRORLOG::ERRL_SEV_UNRECOVERABLE,
FSI::MOD_FSIPRES_MEMBPRESENCEDETECT,
FSI::RC_FSI_CVPD_MISMATCH,
TARGETING::get_huid(i_target),
TWO_UINT32_TO_UINT64(
fsi_present,
cvpd_present));
// Callout the membuf
l_errl->addHwCallout( i_target,
HWAS::SRCI_PRIORITY_LOW,
HWAS::NO_DECONFIG,
HWAS::GARD_NULL );
// Add FFDC for the target to an error log
getFsiFFDC( FFDC_PRESENCE_FAIL, l_errl, i_target);
// Add FSI and VPD trace
l_errl->collectTrace("FSI");
l_errl->collectTrace("VPD");
// commit this log and move on
errlCommit( l_errl,
FSI_COMP_ID );
}
bool present = fsi_present && cvpd_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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