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htmgt.C
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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/htmgt/htmgt.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2014,2017 */
/* [+] 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 <htmgt/htmgt.H>
#include <htmgt/htmgt_reasoncodes.H>
#include "htmgt_activate.H"
#include "htmgt_cfgdata.H"
#include "htmgt_utility.H"
#include "htmgt_memthrottles.H"
#include "htmgt_poll.H"
#include <devicefw/userif.H>
#include <config.h>
#include <console/consoleif.H>
// Targeting support
#include <targeting/common/commontargeting.H>
#include <targeting/common/utilFilter.H>
#include <targeting/common/attributes.H>
#include <targeting/common/targetservice.H>
#include <sys/time.h>
#include <targeting/common/attributeTank.H>
#include <isteps/pm/pm_common_ext.H>
namespace HTMGT
{
// Move the OCCs to active state or log unrecoverable error and
// stay in safe mode
void processOccStartStatus(const bool i_startCompleted,
TARGETING::Target * i_failedOccTarget)
{
TMGT_INF(">>processOccStartStatus(%d,0x%p)",
i_startCompleted, i_failedOccTarget);
errlHndl_t l_err = nullptr;
uint32_t l_huid = 0;
bool skip_comm = true;
if (i_failedOccTarget)
{
l_huid = TARGETING::get_huid(i_failedOccTarget);
}
TMGT_INF("processOccStartStatus(Start Success=%c, failedOcc=0x%08X)",
i_startCompleted?'y':'n', l_huid);
if (false == int_flags_set(FLAG_HOLD_OCCS_IN_RESET))
{
if (i_startCompleted)
{
// Query functional OCCs (OCCs have just been started)
l_err = OccManager::buildOccs(true);
if (nullptr == l_err)
{
if (nullptr != OccManager::getMasterOcc())
{
do
{
#ifndef __HOSTBOOT_RUNTIME
// Calc memory throttles (once per IPL)
l_err = calcMemThrottles();
if( l_err )
{
break;
}
#endif
// Make sure OCCs are ready for communication
l_err = OccManager::waitForOccCheckpoint();
if( l_err )
{
break;
}
#ifdef __HOSTBOOT_RUNTIME
// TODO RTC 124738 Final solution TBD
// Perhapse POLL scom 0x6a214 until bit 31 is set?
nanosleep(1,0);
#endif
// Send poll to establish comm
TMGT_INF("Send initial poll to all OCCs to"
" establish comm");
l_err = OccManager::sendOccPoll();
if (l_err)
{
if (OccManager::occNeedsReset())
{
// No need to continue if reset is required
TMGT_ERR("processOccStartStatus(): "
"OCCs need to be reset");
break;
}
else
{
// Continue even if failed (will be retried)
ERRORLOG::errlCommit(l_err, HTMGT_COMP_ID);
}
}
skip_comm = false;
// Send ALL config data
sendOccConfigData();
// Set the User PCAP
l_err = sendOccUserPowerCap();
if (l_err)
{
break;
}
// Wait for all OCCs to go to the target state
l_err = waitForOccState();
if ( l_err )
{
break;
}
// Set active sensors for all OCCs,
// so BMC can start communication with OCCs
l_err = setOccActiveSensors(true);
if (l_err)
{
// Continue even if failed to update sensor
ERRORLOG::errlCommit(l_err, HTMGT_COMP_ID);
}
} while(0);
}
else
{
TMGT_ERR("Unable to find any Master capable OCCs");
/*@
* @errortype
* @reasoncode HTMGT_RC_OCC_MASTER_NOT_FOUND
* @moduleid HTMGT_MOD_LOAD_START_STATUS
* @userdata1 number of OCCs
* @devdesc No OCC master was found
*/
bldErrLog(l_err, HTMGT_MOD_LOAD_START_STATUS,
HTMGT_RC_OCC_MASTER_NOT_FOUND,
0, OccManager::getNumOccs(), 0, 0,
ERRORLOG::ERRL_SEV_INFORMATIONAL);
}
}
else
{
// Failed to find functional OCCs, no need to try again
// Set original error log as unrecoverable and commit
l_err->setSev(ERRORLOG::ERRL_SEV_UNRECOVERABLE);
ERRORLOG::errlCommit(l_err, HTMGT_COMP_ID);
}
}
else
{
TMGT_ERR("All OCCs were not loaded/started successfully");
/*@
* @errortype
* @reasoncode HTMGT_RC_OCC_START_FAIL
* @moduleid HTMGT_MOD_LOAD_START_STATUS
* @userdata1 Failing OCC HUID
* @devdesc OCCs were not loaded/started successfully
*/
bldErrLog(l_err, HTMGT_MOD_LOAD_START_STATUS,
HTMGT_RC_OCC_START_FAIL,
0, l_huid, 0, 0,
ERRORLOG::ERRL_SEV_INFORMATIONAL);
}
if (nullptr != l_err)
{
TMGT_ERR("OCCs not all active (rc=0x%04X). Attempting OCC "
"Reset", l_err->reasonCode());
TMGT_CONSOLE("OCCs are not active (rc=0x%04X). "
"Attempting OCC Reset",
l_err->reasonCode());
TMGT_INF("processOccStartStatus: Calling resetOccs");
// Reset ALL OCCs, don't skip incrementing reset count, and
// if comm has not been established, don't try to talk to OCCs
errlHndl_t err2 = OccManager::resetOccs(nullptr,
false,
skip_comm);
if(err2)
{
TMGT_ERR("OccManager::resetOccs failed with 0x%04X",
err2->reasonCode());
// Set original error log as unrecoverable and commit
l_err->setSev(ERRORLOG::ERRL_SEV_UNRECOVERABLE);
ERRORLOG::errlCommit(l_err, HTMGT_COMP_ID);
// Commit occReset error
ERRORLOG::errlCommit(err2, HTMGT_COMP_ID);
}
else
{
// retry worked - commit original error as informational
TMGT_INF("processOccStartStatus: OCC failed to go active "
"with 0x%04X, but recovery was successful",
l_err->reasonCode());
l_err->setSev(ERRORLOG::ERRL_SEV_INFORMATIONAL);
ERRORLOG::errlCommit(l_err, HTMGT_COMP_ID);
}
}
}
else
{
TMGT_INF("processOccStartStatus: Skipping start of OCCS due to "
"internal flags 0x%08X", get_int_flags());
// Reset all OCCs
TMGT_INF("processOccStartStatus: Calling HBPM::resetPMAll()");
l_err = HBPM::resetPMAll();
if(l_err)
{
l_err->setSev(ERRORLOG::ERRL_SEV_INFORMATIONAL);
l_err->collectTrace("HTMGT");
ERRORLOG::errlCommit(l_err, HTMGT_COMP_ID);
}
}
TMGT_INF("<<processOccStartStatus()");
} // end processOccStartStatus()
// Notify HTMGT that an OCC has an error to report
void processOccError(TARGETING::Target * i_procTarget)
{
TMGT_INF(">>processOccError(0x%p)", i_procTarget);
TARGETING::Target* sys = nullptr;
TARGETING::targetService().getTopLevelTarget(sys);
uint8_t safeMode = 0;
// If the system is in safemode then can't talk to OCCs -
// ignore call to processOccError
if(sys &&
sys->tryGetAttr<TARGETING::ATTR_HTMGT_SAFEMODE>(safeMode) &&
safeMode)
{
return;
}
bool polledOneOcc = false;
errlHndl_t err = OccManager::buildOccs();
if (nullptr == err)
{
if (i_procTarget != nullptr)
{
const uint32_t l_huid =
i_procTarget->getAttr<TARGETING::ATTR_HUID>();
TMGT_INF("processOccError(HUID=0x%08X) called", l_huid);
TARGETING::TargetHandleList pOccs;
getChildChiplets(pOccs, i_procTarget, TARGETING::TYPE_OCC);
if (pOccs.size() > 0)
{
// Poll specified OCC flushing any errors
errlHndl_t err = OccManager::sendOccPoll(true, pOccs[0]);
if (err)
{
ERRORLOG::errlCommit(err, HTMGT_COMP_ID);
}
polledOneOcc = true;
}
}
if ((OccManager::getNumOccs() > 1) || (false == polledOneOcc))
{
// Send POLL command to all OCCs to flush any other errors
errlHndl_t err = OccManager::sendOccPoll(true);
if (err)
{
ERRORLOG::errlCommit(err, HTMGT_COMP_ID);
}
}
if (OccManager::occNeedsReset())
{
TMGT_ERR("processOccError(): OCCs need to be reset");
// Don't pass failed target as OCC should have already
// been marked as failed during the poll.
errlHndl_t err = OccManager::resetOccs(nullptr);
if(err)
{
TMGT_ERR("processOccError(): Error when attempting"
" to reset OCCs");
ERRORLOG::errlCommit(err, HTMGT_COMP_ID);
}
}
}
else
{
// OCC build failed...
TMGT_ERR("processOccError() called, but unable to find OCCs");
ERRORLOG::errlCommit(err, HTMGT_COMP_ID);
}
TMGT_INF("<<processOccError()");
} // end processOccError()
// Notify HTMGT that an OCC has failed and needs to be reset
void processOccReset(TARGETING::Target * i_proc)
{
TMGT_INF(">>processOccReset(0x%p)", i_proc);
errlHndl_t errl = nullptr;
TARGETING::Target * failedOccTarget = nullptr;
TARGETING::Target* sys = nullptr;
TARGETING::targetService().getTopLevelTarget(sys);
uint8_t safeMode = 0;
// If the system is in safemode then ignore request to reset OCCs
if(sys &&
sys->tryGetAttr<TARGETING::ATTR_HTMGT_SAFEMODE>(safeMode) &&
safeMode)
{
return;
}
if( i_proc )
{
TARGETING::TargetHandleList pOccs;
getChildChiplets(pOccs, i_proc, TARGETING::TYPE_OCC);
if (pOccs.size() > 0)
{
failedOccTarget = pOccs[0];
}
}
if(nullptr != failedOccTarget)
{
uint32_t huid = failedOccTarget->getAttr<TARGETING::ATTR_HUID>();
TMGT_INF("processOccReset(HUID=0x%08X) called", huid);
}
else
{
uint32_t huid = i_proc->getAttr<TARGETING::ATTR_HUID>();
TMGT_INF("processOccReset: Invalid OCC target (proc huid=0x08X)"
"resetting OCCs anyway",
huid);
/*@
* @errortype
* @reasoncode HTMGT_RC_INVALID_PARAMETER
* @moduleid HTMGT_MOD_PROCESS_OCC_RESET
* @userdata1 Processor HUID
* @devdesc No OCC target found for proc Target,
*/
bldErrLog(errl,
HTMGT_MOD_PROCESS_OCC_RESET,
HTMGT_RC_INVALID_PARAMETER,
0, huid, 0, 1,
ERRORLOG::ERRL_SEV_INFORMATIONAL);
// Add HB firmware callout
errl->addProcedureCallout(HWAS::EPUB_PRC_HB_CODE,
HWAS::SRCI_PRIORITY_MED);
ERRORLOG::errlCommit(errl, HTMGT_COMP_ID); // sets errl to nullptr
}
if (false == int_flags_set(FLAG_EXT_RESET_DISABLED))
{
errl = OccManager::resetOccs(failedOccTarget);
if(errl)
{
ERRORLOG::errlCommit(errl, HTMGT_COMP_ID); // sets errl to nullptr
}
}
else
{
TMGT_INF("processOccReset: Skipping external reset due to "
"internal flags 0x%08X", get_int_flags());
}
TMGT_INF("<<processOccReset()");
} // end processOccReset()
// Set the OCC state
errlHndl_t enableOccActuation(bool i_occActivation)
{
TMGT_INF(">>enableOccActuation(%c)", i_occActivation?'Y':'N');
errlHndl_t l_err = nullptr;
TARGETING::Target* sys = nullptr;
// If the system is already in safemode then can't talk to OCCs
TARGETING::targetService().getTopLevelTarget(sys);
uint8_t safeMode = 0;
if(sys)
{
sys->tryGetAttr<TARGETING::ATTR_HTMGT_SAFEMODE>(safeMode);
}
if (0 == safeMode)
{
occStateId targetState = OCC_STATE_ACTIVE;
if (false == i_occActivation)
{
targetState = OCC_STATE_OBSERVATION;
}
// Set state for all OCCs
l_err = OccManager::setOccState(targetState);
if (nullptr == l_err)
{
TMGT_INF("enableOccActuation: OCC states updated to 0x%02X",
targetState);
}
if (OccManager::occNeedsReset())
{
if (l_err)
{
// Commit setOccState elog since OCCs will be reset
// and recovery attempted.
ERRORLOG::errlCommit(l_err, HTMGT_COMP_ID);
}
TMGT_ERR("enableOccActuation(): OCCs need to be reset");
// Don't pass failed target as OCC should have already
// been marked as failed during the poll.
l_err = OccManager::resetOccs(nullptr);
// NOTE: If the system exceeded its reset count and ended up
// in safe mode an error may not be returned here (if a
// failure happened after the first reset attempt).
// This is because the resets are recursive:
// HTMGT calls back into HBRT to initiate the reset, then
// HBRT calls into HTMGT when reset completed
// To detected this condition we need to check for safe mode
// after the recovery attempts and return error if in safe.
if(sys)
{
sys->tryGetAttr<TARGETING::ATTR_HTMGT_SAFEMODE>(safeMode);
}
}
}
if ((nullptr == l_err) && safeMode)
{
// Create an elog so the user knows the cmd failed.
TMGT_ERR("enableOccActuation(): System is in safe mode");
uint32_t safeInstance = 0;
uint32_t safeRc = OccManager::getSafeModeReason(safeInstance);
/*@
* @errortype
* @reasoncode HTMGT_RC_OCC_CRIT_FAILURE
* @moduleid HTMGT_MOD_ENABLE_OCC_ACTUATION
* @userdata1[0:31] OCC activate [1==true][0==false]
* @userdata1[32:63] return code triggering safe mode
* @userdata2[0:31] safeMode flag
* @userdata2[32:63] OCC instance
* @devdesc Operation not allowed, system is in safe mode
*/
bldErrLog(l_err,
HTMGT_MOD_ENABLE_OCC_ACTUATION,
HTMGT_RC_OCC_CRIT_FAILURE,
i_occActivation, safeRc, safeMode, safeInstance,
ERRORLOG::ERRL_SEV_UNRECOVERABLE);
}
TMGT_INF("<<enableOccActuation() returning 0x%04X",
(l_err==nullptr) ? 0 : l_err->reasonCode());
return l_err;
} // end enableOccActuation()
// Send pass-thru command to HTMGT
errlHndl_t passThruCommand(uint16_t i_cmdLength,
uint8_t * i_cmdData,
uint16_t & o_rspLength,
uint8_t * o_rspData)
{
errlHndl_t err = nullptr;
htmgtReasonCode failingSrc = HTMGT_RC_NO_ERROR;
o_rspLength = 0;
err = OccManager::buildOccs();
if (nullptr == err)
{
if ((i_cmdLength > 0) && (NULL != i_cmdData))
{
switch (i_cmdData[0])
{
case PASSTHRU_OCC_STATUS:
TMGT_INF("passThruCommand: OCC Status");
OccManager::getOccData(o_rspLength, o_rspData);
break;
case PASSTHRU_INTERNAL_FLAG:
if (i_cmdLength == 1)
{
// get internal flag value
o_rspLength = 4;
UINT32_PUT(o_rspData, get_int_flags());
}
else if (i_cmdLength == 5)
{
// set internal flag value
TMGT_INF("passThruCommand: Updating internal flags "
"from 0x%08X to 0x%08X",
get_int_flags(), UINT32_GET(&i_cmdData[1]));
set_int_flags(UINT32_GET(&i_cmdData[1]));
}
else
{
TMGT_ERR("passThruCommand: invalid internal flag "
"length %d", i_cmdLength);
failingSrc = HTMGT_RC_INVALID_LENGTH;
}
break;
case PASSTHRU_SEND_OCC_COMMAND:
if (i_cmdLength >= 3)
{
const uint8_t occInstance = i_cmdData[1];
const occCommandType occCmd =
(occCommandType)i_cmdData[2];
const uint16_t dataLen = i_cmdLength-3;
Occ *occPtr = OccManager::getOcc(occInstance);
if (occPtr)
{
TMGT_INF("passThruCommand: Send OCC%d command "
"0x%02X (%d bytes)",
occInstance, occCmd, dataLen);
OccCmd cmd(occPtr, occCmd, dataLen, &i_cmdData[3]);
err = cmd.sendOccCmd();
if (err != NULL)
{
TMGT_ERR("passThruCommand: OCC%d cmd 0x%02X "
"failed with rc 0x%04X",
occInstance, occCmd,
err->reasonCode());
}
else
{
uint8_t *rspPtr = NULL;
o_rspLength = cmd.getResponseData(rspPtr);
memcpy(o_rspData, rspPtr, o_rspLength);
TMGT_INF("passThruCommand: OCC%d rsp status "
"0x%02X (%d bytes)", occInstance,
o_rspData[2], o_rspLength);
}
}
else
{
TMGT_ERR("passThruCommand: Unable to find OCC%d",
occInstance);
/*@
* @errortype
* @reasoncode HTMGT_RC_OCC_UNAVAILABLE
* @moduleid HTMGT_MOD_PASS_THRU
* @userdata1 command data[0-7]
* @userdata2 command data length
* @devdesc Specified OCC not available
*/
failingSrc = HTMGT_RC_OCC_UNAVAILABLE;
}
}
else
{
TMGT_ERR("passThruCommand: invalid OCC command "
"length %d", i_cmdLength);
failingSrc = HTMGT_RC_INVALID_LENGTH;
}
break;
case PASSTHRU_CLEAR_RESET_COUNTS:
TMGT_INF("passThruCommand: Clear all OCC reset counts");
OccManager::clearResetCounts();
break;
case PASSTHRU_EXIT_SAFE_MODE:
{
TMGT_INF("passThruCommand: Clear Safe Mode");
// Clear OCC reset counts and failed flags
OccManager::clearResetCounts();
// Clear safe mode reason
OccManager::updateSafeModeReason(0, 0);
// Clear system safe mode flag/attribute
TARGETING::Target* sys = NULL;
TARGETING::targetService().getTopLevelTarget(sys);
const uint8_t safeMode = 0;
// Mark system as NOT being in safe mode
if(sys)
{
sys->setAttr<TARGETING::ATTR_HTMGT_SAFEMODE>
(safeMode);
}
// Reset the OCCs (do not increment reset count
// or attempt comm with OCC since they are in reset)
TMGT_INF("passThruCommand: Calling resetOccs");
err = OccManager::resetOccs(NULL, true, true);
if (err != NULL)
{
TMGT_ERR("passThruCommand: Exit Save Mode "
"resetOccs failed with rc 0x%04X",
err->reasonCode());
}
}
break;
case PASSTHRU_RESET_PM_COMPLEX:
TMGT_INF("passThruCommand: Reset PM Complex");
err = OccManager::resetOccs(nullptr, true, true);
if(err)
{
TMGT_ERR("passThruCommand: Reset PM Complex FAIL "
"with rc 0x%04X", err->reasonCode() );
}
break;
//HOLD for future need. case PASSTHRU_QUERY_MODE_FUNCTION:
// TMGT_INF("passThruCommand: Query mode or function");
// break;
case PASSTHRU_ENA_DIS_OPAL_STATE:
{
TMGT_INF("passThruCommand: enable/disable OPAL STATE");
if (i_cmdLength == 2)
{
//0 = disable OPAL mode (i.e. run as PowerVM)
if (i_cmdData[1] == 0)
{
G_opalMode = OCC_CFGDATA_OPENPOWER_POWERVM;
}
//1 = enable OPAL mode
else if (i_cmdData[1] == 1)
{
G_opalMode = OCC_CFGDATA_OPENPOWER_OPALVM;
}
else
{
TMGT_ERR("passThruCommand: Invalid requested OPAL"
" mode 0x%02X ", i_cmdData[1] );
/*@
* @errortype
* @reasoncode HTMGT_RC_INVALID_PARAMETER
* @moduleid HTMGT_MOD_PASS_THRU
* @userdata1 command data[0-7]
* @userdata2 command data length
* @devdesc Invalid pass thru command
*/
failingSrc = HTMGT_RC_INVALID_PARAMETER;
}
if(failingSrc == HTMGT_RC_NO_ERROR)
{
TMGT_INF("passThruCommand: OCC State set(0x%02X)"
" RESET-OCC ", G_opalMode );
err = OccManager::resetOccs(nullptr,true,true);
if(err)
{
TMGT_ERR("passThruCommand: OCC MODE change "
"Reset PM Complex FAIL with rc 0x%04X",
err->reasonCode());
}
}
}
else
{
TMGT_ERR("passThruCommand: invalid OCC State "
"length %d", i_cmdLength);
failingSrc = HTMGT_RC_INVALID_LENGTH;
}
}
break;
case PASSTHRU_SET_OCC_STATE:
{
TMGT_INF("passThruCommand: Set OCC State");
occStateId l_targetState = (occStateId)i_cmdData[1];
//Validate state requested is supported.
if( (l_targetState == OCC_STATE_OBSERVATION) ||
(l_targetState == OCC_STATE_ACTIVE) ||
(l_targetState == OCC_STATE_CHARACTERIZATION) )
{
// Set state for all OCCs
err = OccManager::setOccState(l_targetState);
if (nullptr == err)
{
TMGT_INF("passThruCommand: OCC states "
"updated to 0x%02X", l_targetState);
}
else
{
TMGT_ERR("passThruCommand: OCC state change"
" FAIL with rc 0x%04X",
err->reasonCode());
}
}
else
{
TMGT_ERR("passThruCommand: Invalid requested "
"state 0x%08X ", l_targetState );
failingSrc = HTMGT_RC_INVALID_PARAMETER;
}
}
break;
default:
TMGT_ERR("passThruCommand: Invalid command 0x%08X "
"(%d bytes)", UINT32_GET(i_cmdData), i_cmdLength);
/*@
* @errortype
* @reasoncode HTMGT_RC_INVALID_DATA
* @moduleid HTMGT_MOD_PASS_THRU
* @userdata1 command data[0-7]
* @userdata2 command data length
* @devdesc Invalid pass thru command
*/
failingSrc = HTMGT_RC_INVALID_DATA;
break;
}
if ((HTMGT_RC_NO_ERROR != failingSrc) && (NULL == err))
{
bldErrLog(err, HTMGT_MOD_PASS_THRU,
failingSrc,
UINT32_GET(i_cmdData),
UINT32_GET(&i_cmdData[4]),
0, i_cmdLength,
ERRORLOG::ERRL_SEV_INFORMATIONAL);
}
}
}
return err;
} // end passThruCommand()
}