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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/isteps/istep16/call_host_activate_master.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2015,2016 */
/* [+] 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 */
// Error Handling
#include <errl/errlentry.H>
#include <errl/errlmanager.H>
#include <initservice/isteps_trace.H>
#include <isteps/hwpisteperror.H>
#include <errl/errludtarget.H>
#include <intr/interrupt.H>
#include <console/consoleif.H>
// targeting support
#include <targeting/namedtarget.H>
#include <targeting/attrsync.H>
#include <fapi2/target.H>
//SBE interfacing
#include <sbeio/sbeioif.H>
#include <sys/misc.h>
//Import directory (EKB)
#include <p9_block_wakeup_intr.H>
#include <p9_cpu_special_wakeup.H>
//HWP invoker
#include <fapi2/plat_hwp_invoker.H>
using namespace ERRORLOG;
using namespace TARGETING;
using namespace ISTEP;
using namespace ISTEP_ERROR;
using namespace p9specialWakeup;
namespace ISTEP_16
{
void* call_host_activate_master (void *io_pArgs)
{
IStepError l_stepError;
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"call_host_activate_master entry" );
errlHndl_t l_errl = NULL;
do {
// find the master core, i.e. the one we are running on
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"call_host_activate_master: Find master core: " );
const TARGETING::Target* l_masterCore = getMasterCore( );
assert( l_masterCore != NULL );
TARGETING::Target* l_core_target = const_cast<TARGETING::Target *>
( getParentChip( l_masterCore ) );
// Cast OUR type of target to a FAPI2 type of target.
const fapi2::Target<fapi2::TARGET_TYPE_CORE> l_fapi2_coreTarget(
const_cast<TARGETING::Target*> (l_core_target));
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"call_host_activate_master: About to start deadman loop... "
"Target HUID %.8X",
TARGETING::get_huid(l_fapi2_coreTarget));
// @TODO RTC:147553 Enable startDeadmanLoop
//In the future possibly move default "waitTime" value to SBEIO code
// uint64_t waitTime = 10000;
// l_errl = SBEIO::startDeadmanLoop(waitTime);
if ( l_errl )
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"startDeadmanLoop ERROR : Returning errorlog, reason=0x%x",
l_errl->reasonCode() );
// capture the target data in the elog
ErrlUserDetailsTarget(l_core_target).addToLog( l_errl );
break;
}
else
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"startDeadManLoop SUCCESS" );
}
//Because of a bug in how the SBE injects the IPI used to wake
//up the master core, need to ensure no mailbox traffic
//or even an interrupt in the interrupt presenter
// 1) suspend the mailbox with interrupt disable
// 2) ensure that interrupt presenter is drained
l_errl = MBOX::suspend(true, true);
if (l_errl)
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"call_host_activate_master ERROR : MBOX::suspend");
break;
}
//@TODO RTC:137564 Support for thread-specific interrupts
// TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "draining interrupt Q");
// INTR::drainQueue();
// Call p9_block_wakeup_intr to prevent stray interrupts from
// popping core out of winkle before SBE sees it.
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"call_host_activated_master: call p9_block_wakeup_intr(SET) "
"Target HUID %.8x",
TARGETING::get_huid(l_fapi2_coreTarget) );
FAPI_INVOKE_HWP( l_errl,
p9_block_wakeup_intr,
l_fapi2_coreTarget,
p9pmblockwkup::SET );
if ( l_errl )
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"p9_block_wakeup_intr ERROR : Returning errorlog, reason=0x%x",
l_errl->reasonCode() );
// capture the target data in the elog
ErrlUserDetailsTarget(l_core_target).addToLog( l_errl );
break;
}
else
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"p9_block_wakeup_intr SUCCESS" );
}
// Clear special wakeup
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"Disable special wakeup on master core");
FAPI_INVOKE_HWP(l_errl, p9_cpu_special_wakeup,
l_fapi2_coreTarget,
SPCWKUP_DISABLE,
HOST);
if(l_errl)
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"Disable p9_cpu_special_wakeup ERROR : Returning errorlog,"
" reason=0x%x",
l_errl->reasonCode() );
// capture the target data in the elog
ErrlUserDetailsTarget(l_core_target).addToLog( l_errl );
break;
}
else
{
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
"Disable special wakeup on master core SUCCESS");
}
// put the master into winkle.
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"call_host_activate_master: put master into winkle..." );
// Flush any lingering console traces first
CONSOLE::flush();
bool l_fusedCores = is_fused_mode();
int l_rc = cpu_master_winkle(l_fusedCores);
if ( l_rc )
{
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
"ERROR : failed to winkle master, rc=0x%x",
l_rc );
/*@
* @errortype
* @reasoncode RC_FAIL_MASTER_WINKLE
* @severity ERRORLOG::ERRL_SEV_UNRECOVERABLE
* @moduleid MOD_HOST_ACTIVATE_MASTER
* @userdata1 return code from cpu_master_winkle
* @userdata2 Fused core indicator
*
* @devdesc cpu_master_winkle returned an error
*/
l_errl =
new ERRORLOG::ErrlEntry(ERRORLOG::ERRL_SEV_UNRECOVERABLE,
MOD_HOST_ACTIVATE_MASTER,
RC_FAIL_MASTER_WINKLE,
l_rc, l_fusedCores );
break;
}
// --------------------------------------------------------
// should return from Winkle at this point
// --------------------------------------------------------
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"Returned from Winkle." );
//Re-enable the mailbox
l_errl = MBOX::resume();
if (l_errl)
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"call_host_activate_master ERROR : MBOX::resume");
break;
}
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"Call proc_stop_deadman_timer. Target %.8X",
TARGETING::get_huid(l_core_target) );
// @TODO RTC:147553 Enable stopDeadmanLoop
// l_errl = SBEIO::stopDeadmanLoop();
if ( l_errl )
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"stopDeadmanLoop ERROR : "
"Returning errorlog, reason=0x%x",
l_errl->reasonCode() );
// capture the target data in the elog
ErrlUserDetailsTarget(l_core_target).addToLog( l_errl );
break;
}
else
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"stopDeadmanLoop SUCCESS" );
}
TARGETING::Target* sys = NULL;
TARGETING::targetService().getTopLevelTarget(sys);
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"Enable special wakeup on master core");
FAPI_INVOKE_HWP(l_errl, p9_cpu_special_wakeup,
l_fapi2_coreTarget,
SPCWKUP_ENABLE,
HOST);
if(l_errl)
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"Enable p9_cpu_special_wakeup ERROR : Returning errorlog, "
"reason=0x%x",
l_errl->reasonCode() );
// capture the target data in the elog
ErrlUserDetailsTarget(l_core_target).addToLog( l_errl );
break;
}
else
{
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
"Enable special wakeup on master core SUCCESS");
}
} while ( 0 );
if( l_errl )
{
// Create IStep error log and cross reference error that occurred
l_stepError.addErrorDetails( l_errl );
// Commit Error
errlCommit( l_errl, HWPF_COMP_ID );
}
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"call_host_activate_master exit" );
// end task, returning any errorlogs to IStepDisp
return l_stepError.getErrorHandle();
}
};
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