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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/hwpf/hwp/start_payload/start_payload.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 */
/**
* @file start_payload.C
*
* Support file for IStep: start_payload
* Start Payload
*
* HWP_IGNORE_VERSION_CHECK
*
*/
/******************************************************************************/
// Includes
/******************************************************************************/
#include <stdint.h>
#include <kernel/console.H> // printk status
#include <sys/misc.h>
#include <trace/interface.H>
#include <initservice/taskargs.H>
#include <errl/errlentry.H>
#include <vfs/vfs.H>
#include <initservice/initserviceif.H>
#include <initservice/extinitserviceif.H>
#include <initservice/istepdispatcherif.H>
#include <usr/cxxtest/TestSuite.H>
#include <hwpf/istepreasoncodes.H>
#include <errl/errludtarget.H>
#include <sys/time.h>
#include <sys/mmio.h>
#include <mbox/mbox_queues.H>
#include <mbox/mboxif.H>
#include <i2c/i2cif.H>
#include <hwpf/hwp/occ/occ.H>
#include <initservice/isteps_trace.H>
#include <hwpisteperror.H>
// targeting support
#include <targeting/common/commontargeting.H>
// fapi support
#include <fapi.H>
#include <fapiPlatHwpInvoker.H>
#include "p8_set_pore_bar.H"
#include "start_payload.H"
#include <runtime/runtime.H>
#include <devtree/devtreeif.H>
// Uncomment these files as they become available:
// #include "host_start_payload/host_start_payload.H"
namespace START_PAYLOAD
{
using namespace TARGETING;
using namespace fapi;
using namespace ISTEP;
using namespace ISTEP_ERROR;
/**
* @brief This function will call the Initservice interface to shutdown
* Hostboot. This function will call shutdown, passing in system
* attribute variables for the Payload base and Payload offset.
*
* @return errlHndl_t - NULL if succesful, otherwise a pointer to the error
* log.
*/
errlHndl_t callShutdown ( void );
/**
* @brief This function will check the Istep mode and send the appropriate
* mailbox message to the Fsp to indicate what we're doing.
*
* @param[in] i_istepModeFlag - Whether or not Isteps is enabled.
*
* @param[in] i_spFuncs - The SpFuncs system attribute.
*
* @return errlHndl_t - NULL if successful, otherwise a pointer to the error
* log.
*/
errlHndl_t notifyFsp ( bool i_istepModeFlag,
TARGETING::SpFunctions i_spFuncs );
/**
* @brief This function will clear the PORE BARs. Needs to be done
* depending on payload type
*
* @return errlHndl_t - NULL if successful, otherwise a pointer to the error
* log.
*/
errlHndl_t clearPoreBars ( void )
{
errlHndl_t l_errl = NULL;
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"set PORE bars back to 0" );
TARGETING::TargetHandleList l_procTargetList;
getAllChips(l_procTargetList, TYPE_PROC);
// loop thru all the cpus and reset the pore bars.
for (TargetHandleList::const_iterator
l_proc_iter = l_procTargetList.begin();
l_proc_iter != l_procTargetList.end();
++l_proc_iter)
{
// make a local copy of the CPU target
const TARGETING::Target* l_proc_target = *l_proc_iter;
// trace HUID
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
"target HUID %.8X", TARGETING::get_huid(l_proc_target));
// cast OUR type of target to a FAPI type of target.
fapi::Target l_fapi_proc_target( TARGET_TYPE_PROC_CHIP,
(const_cast<TARGETING::Target*>(
l_proc_target)) );
// reset pore bar notes:
// A mem_size of 0 means to ignore the image address
// This image should have been moved to memory after winkle
// call the HWP with each fapi::Target
FAPI_INVOKE_HWP( l_errl,
p8_set_pore_bar,
l_fapi_proc_target,
0,
0,
0,
SLW_MEMORY
);
if ( l_errl )
{
// capture the target data in the elog
ERRORLOG::ErrlUserDetailsTarget(l_proc_target).addToLog( l_errl );
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
"ERROR : p8_set_pore_bar, PLID=0x%x",
l_errl->plid() );
break;
}
else
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"SUCCESS : p8_set_pore_bar" );
}
} // end for
return l_errl;
}
//
// Wrapper function to call host_runtime_setup
//
void* call_host_runtime_setup( void *io_pArgs )
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"call_host_runtime_setup entry" );
errlHndl_t l_err = NULL;
IStepError l_StepError;
// Need to wait here until Fsp tells us go
INITSERVICE::waitForSyncPoint();
do
{
// Need to load up the runtime module if it isn't already loaded
if ( !VFS::module_is_loaded( "libruntime.so" ) )
{
l_err = VFS::module_load( "libruntime.so" );
if ( l_err )
{
// load module returned with errl set
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"Could not load runtime module" );
// break from do loop if error occured
break;
}
}
// Map the Host Data into the VMM if applicable
l_err = RUNTIME::load_host_data();
if( l_err )
{
break;
}
// Get the Payload kind -- various tasks rely on payload
TARGETING::Target * sys = NULL;
TARGETING::targetService().getTopLevelTarget( sys );
assert(sys != NULL);
TARGETING::ATTR_PAYLOAD_KIND_type payload_kind
= sys->getAttr<TARGETING::ATTR_PAYLOAD_KIND>();
//Start OCC in AVP (or Sapphire mode for now)
if( is_avp_load() || is_sapphire_load() )
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "Starting OCC" );
//Load modules needed by OCC
bool occ_loaded = false;
if ( !VFS::module_is_loaded( "libocc.so" ) )
{
l_err = VFS::module_load( "libocc.so" );
if ( l_err )
{
// load module returned with errl set
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"Could not load occ module" );
// break from do loop if error occured
break;
}
occ_loaded = true;
}
l_err = HBOCC::loadnStartAllOccs();
if(l_err)
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
ERR_MRK"loadnStartAllOccs failed" );
}
//make sure we always unload the module
if (occ_loaded)
{
errlHndl_t l_tmpErrl = NULL;
l_tmpErrl = VFS::module_unload( "libocc.so" );
if ( l_tmpErrl )
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
ERR_MRK"Error unloading libocc module" );
if(l_err)
{
errlCommit( l_tmpErrl, HWPF_COMP_ID );
}
else
{
l_err = l_tmpErrl;
}
}
}
break;
}
if( is_sapphire_load() && (!INITSERVICE::spBaseServicesEnabled()) )
{
// Write the devtree out in Sapphire mode when SP Base Services not
// enabled
l_err = DEVTREE::build_flatdevtree();
if ( l_err )
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"Could not build dev tree" );
// break from do loop if error occured
break;
}
}
else if( TARGETING::PAYLOAD_KIND_PHYP == payload_kind )
{
//If PHYP then clear out the PORE BARs
l_err = clearPoreBars();
if( l_err )
{
break;
}
//Update the MDRT value (for MS Dump)
l_err = RUNTIME::write_MDRT_Count();
if(l_err != NULL)
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"write_MDRT_Count failed" );
break;
}
// Write the HostServices attributes into mainstore
l_err = RUNTIME::populate_attributes();
if ( l_err )
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"Could not populate attributes" );
// break from do loop if error occured
break;
}
}
else if( TARGETING::PAYLOAD_KIND_NONE == payload_kind )
{
// Write the HostServices attributes into mainstore
// for our testcases
l_err = RUNTIME::populate_attributes();
if ( l_err )
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"Could not populate attributes" );
// break from do loop if error occured
break;
}
}
// - Update HDAT/DEVTREE with tpmd logs
} while(0);
if( l_err )
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"istep start_payload_failed see plid 0x%x", l_err->plid());
// Create IStep error log and cross reference error that occurred
l_StepError.addErrorDetails( l_err );
// Commit Error
errlCommit(l_err, ISTEP_COMP_ID);
}
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"call_host_runtime_setup exit" );
return l_StepError.getErrorHandle();
}
//
// Wrapper function to call host_start_payload
//
void* call_host_verify_hdat( void *io_pArgs )
{
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"call_host_verify_hdat entry" );
errlHndl_t l_err = NULL;
// Host Start Payload procedure, per documentation from Patrick.
// - Verify target image
// - TODO - Done via call to Secure Boot ROM.
// - Will be done in future sprints
// stub for now..
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"call_host_verify_hdat exit" );
return l_err;
}
//
// Wrapper function to call host_start_payload
//
void* call_host_start_payload( void *io_pArgs )
{
errlHndl_t l_errl = NULL;
IStepError l_StepError;
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"call_host_start_payload entry" );
// - Run CXX testcases
l_errl = INITSERVICE::executeUnitTests();
if( l_errl == NULL )
{
// - Call shutdown using payload base, and payload entry.
// - base/entry will be from system attributes
// - this will start the payload (Phyp)
// NOTE: this call will not return if successful.
l_errl = callShutdown();
};
if( l_errl )
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"istep start_payload_failed see plid 0x%x", l_errl->plid());
// Create IStep error log and cross reference error that occurred
l_StepError.addErrorDetails( l_errl );
// Commit Error
errlCommit(l_errl, ISTEP_COMP_ID);
}
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"call_host_start_payload exit" );
// end task, returning any errorlogs to IStepDisp
return l_StepError.getErrorHandle();
}
//
// Call shutdown
//
errlHndl_t callShutdown ( void )
{
errlHndl_t err = NULL;
uint64_t payloadBase = 0x0;
uint64_t payloadEntry = 0x0;
uint64_t payloadData = 0x0;
bool istepModeFlag = false;
uint64_t status = SHUTDOWN_STATUS_GOOD;
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
ENTER_MRK"callShutdown()" );
do
{
// Phyp needs us to program all of the I2C masters with the bus
// divisor
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"Setup I2C Masters" );
err = I2C::i2cSetupMasters();
if( err )
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"Error setting up I2C Bus Divisors" );
break;
}
// Set scratch register to indicate Hostboot is [still] active.
const char * hostboot_string = "hostboot";
mmio_scratch_write(MMIO_SCRATCH_HOSTBOOT_ACTIVE,
*reinterpret_cast<const uint64_t*>(hostboot_string));
// Get Target Service, and the system target.
TargetService& tS = targetService();
TARGETING::Target* sys = NULL;
(void) tS.getTopLevelTarget( sys );
if( NULL == sys )
{
// Error getting system target to get payload related values. We
// will create an error to be passed back. This will cause the
// istep to fail.
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
ERR_MRK"System Target was NULL!" );
/*@
* @errortype
* @reasoncode ISTEP_TARGET_NULL
* @severity ERRORLOG::ERRL_SEV_CRITICAL_SYS_TERM
* @moduleid ISTEP_START_PAYLOAD_CALL_SHUTDOWN
* @userdata1 <UNUSED>
* @userdata2 <UNUSED>
* @devdesc System target was NULL!
*/
err = new ERRORLOG::ErrlEntry( ERRORLOG::ERRL_SEV_CRITICAL_SYS_TERM,
ISTEP_START_PAYLOAD_CALL_SHUTDOWN,
ISTEP_TARGET_NULL,
0x0,
0x0 );
break;
}
// Get Payload base/entry from attributes
payloadBase = sys->getAttr<TARGETING::ATTR_PAYLOAD_BASE>();
payloadEntry = sys->getAttr<TARGETING::ATTR_PAYLOAD_ENTRY>();
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
INFO_MRK"Payload Base: 0x%08x, Entry: 0x%08x",
payloadBase, payloadEntry );
payloadBase = (payloadBase * MEGABYTE);
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
INFO_MRK" base: 0x%08x",
payloadBase );
// Get Istep Mode flag
istepModeFlag = sys->getAttr<ATTR_ISTEP_MODE>();
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
INFO_MRK"Istep mode flag: %s",
((istepModeFlag) ? "Enabled" : "Disabled") );
// Get the Service Processor Functions
TARGETING::SpFunctions spFuncs =
sys->getAttr<TARGETING::ATTR_SP_FUNCTIONS>();
// Notify Fsp with appropriate mailbox message.
err = notifyFsp( istepModeFlag,
spFuncs );
if( err )
{
break;
}
// Load payload data in Sapphire mode when SP Base Services not enabled
if( is_sapphire_load() && (!INITSERVICE::spBaseServicesEnabled()) )
{
payloadData = DEVTREE::get_flatdevtree_phys_addr();
}
// do the shutdown.
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"callShutdown finished, shutdown = 0x%x.",
status );
INITSERVICE::doShutdown( status,
false,
payloadBase,
payloadEntry,
payloadData);
} while( 0 );
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
EXIT_MRK"callShutdown()" );
return err;
}
//
// Notify the Fsp via Mailbox Message
//
errlHndl_t notifyFsp ( bool i_istepModeFlag,
TARGETING::SpFunctions i_spFuncs )
{
errlHndl_t err = NULL;
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
ENTER_MRK"notifyFsp()" );
do
{
if( i_istepModeFlag )
{
// Istep Mode send istep complete
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
INFO_MRK"Isteps enabled, send istep complete msg" );
err = INITSERVICE::sendIstepCompleteMsg();
if( err )
{
break;
}
}
else
{
// Non-Istep mode send SYNC_POINT_REACHED
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
INFO_MRK"Isteps disabled, send SYNC_POINT_REACHED msg" );
err = INITSERVICE::sendSyncPoint();
if( err )
{
break;
}
}
} while( 0 );
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
EXIT_MRK"notifyFsp()" );
return err;
}
}; // end namespace
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