Revert "Re-apply p9_int_scom inits on shutdown path"

This reverts commit db91ab91d557b402c4f0709e3aaa20bb8025b27c.

Change-Id: Id83de4fe211c56de6fa11cc124d57910c434feb7
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/48476
Tested-by: Christian R. Geddes <crgeddes@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>

2 files changed, 71 insertions, 154 deletions

diff --git a/src/usr/isteps/istep21/call_host_start_payload.C b/src/usr/isteps/istep21/call_host_start_payload.C
index 72b4cdc33..661af9d77 100644
--- a/src/usr/isteps/istep21/call_host_start_payload.C
+++ b/src/usr/isteps/istep21/call_host_start_payload.C
@@ -52,8 +52,6 @@
 #include <p9_cpu_special_wakeup.H>
 #include <ipmi/ipmiwatchdog.H>
 #include <config.h>
-#include <errno.h>
-#include <p9_int_scom.H>
 
 #ifdef CONFIG_DRTM_TRIGGERING
 #include <secureboot/drtm.H>
@@ -76,7 +74,7 @@ namespace ISTEP_21
  * @param[in] Host boot master instance number (logical node number)
  * @param[in] Is this the master HB instance [true|false]
  *
- * @return errlHndl_t - nullptr if succesful, otherwise a pointer to the error
+ * @return errlHndl_t - NULL if succesful, otherwise a pointer to the error
  *      log.
  */
 errlHndl_t callShutdown ( uint64_t i_hbInstance, bool i_masterIntance );
@@ -85,7 +83,7 @@ errlHndl_t callShutdown ( uint64_t i_hbInstance, bool i_masterIntance );
  * @brief This function will send an IPC message to all other HB instances
  *        to perfrom the shutdown sequence.
  * @param[in] Hostboot master instance number (logical node number)
- * @Return errlHndlt_t - nullptr if succesful, otherwise an error Handle
+ * @Return errlHndlt_t - Null if succesful, otherwise an error Handle
  */
 errlHndl_t broadcastShutdown ( uint64_t i_hbInstance );
 
@@ -108,7 +106,7 @@ errlHndl_t enableCoreCheckstops();
  * @brief This function will clear the PORE BARs.  Needs to be done
  *      depending on payload type
  *
- * @return errlHndl_t - nullptr if successful, otherwise a pointer to the error
+ * @return errlHndl_t - NULL if successful, otherwise a pointer to the error
  *      log.
  */
 errlHndl_t clearPoreBars ( void );
@@ -121,168 +119,90 @@ errlHndl_t clearPoreBars ( void );
  *
  * @param[in] i_spFuncs - The SpFuncs system attribute.
  *
- * @return errlHndl_t - nullptr if successful, otherwise a pointer to the error
+ * @return errlHndl_t - NULL if successful, otherwise a pointer to the error
  *      log.
  */
 errlHndl_t notifyFsp ( bool i_istepModeFlag,
                        TARGETING::SpFunctions i_spFuncs );
 
-enum msg_preshutdown_types_t
-{
-    MSG_PRE_SHUTDOWN_INITS = 1 //Tells the msgQ to run inits that
-                               //are needed before shutdown
-};
-
-void msgHandler(msg_q_t i_msgQ)
-{
-    TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace, ENTER_MRK"call_host_start_payload::msgHandler()");
-
-    while(1)
-    {
-        msg_t* msg = msg_wait(i_msgQ); // wait for interrupt msg
-
-        switch(msg->type)
-        {
-            case MSG_PRE_SHUTDOWN_INITS:
-            {
-                TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,"Pre-Shutdown Inits event received");
-                errlHndl_t l_errl = NULL;
-                TARGETING::TargetHandleList l_cpuTargetList;
-                getAllChips(l_cpuTargetList, TYPE_PROC);
-                fapi2::Target<fapi2::TARGET_TYPE_SYSTEM> FAPI_SYSTEM;
-
-                for (const auto & l_cpu_target: l_cpuTargetList)
-                {
-                    fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP> l_fapi2_proc_target(l_cpu_target);
-                    FAPI_INVOKE_HWP( l_errl,
-                                     p9_int_scom,
-                                     l_cpu_target,
-                                     FAPI_SYSTEM);
-                    if(l_errl)
-                    {
-                        l_errl->collectTrace("ISTEPS_TRACE",256);
-                        errlCommit(l_errl, ISTEP_COMP_ID );
-                    }
-                }
-
-                msg_respond(i_msgQ, msg);
-            }
-            break;
-            default:
-                msg->data[1] = -EINVAL;
-                msg_respond(i_msgQ, msg);
-        }
-    }
-}
-
-
-/**
-* Helper function to start the messge handler
-*/
-void* msg_handler(msg_q_t i_msgQ)
-{
-    msgHandler(i_msgQ);
-    return NULL;
-}
-
 
 void* call_host_start_payload (void *io_pArgs)
 {
-    errlHndl_t  l_errl  =   nullptr;
+    errlHndl_t  l_errl  =   NULL;
 
     IStepError l_StepError;
 
     TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
             "call_host_start_payload entry" );
 
-    do{
+    // Place a separator in the TPM to indicate we are passing control
+    //  to the next level of firmware in the stack
+    l_errl = TRUSTEDBOOT::pcrExtendSeparator();
 
-        // Place a separator in the TPM to indicate we are passing control
-        //  to the next level of firmware in the stack
-        l_errl = TRUSTEDBOOT::pcrExtendSeparator();
+    // For single-node systems, the non-master processors can be in a
+    // different logical (powerbus) group.  Need to migrate task to master.
+    task_affinity_pin();
+    task_affinity_migrate_to_master();
 
-        if(l_errl)
-        {
-            break;
-        }
+    uint64_t this_node = PIR_t(task_getcpuid()).groupId;
 
-        msg_q_t l_msgQ = msg_q_create();
-
-        // Register event to be called on shutdown
-        INITSERVICE::registerShutdownEvent(l_msgQ,
-                                           MSG_PRE_SHUTDOWN_INITS,
-                                           INITSERVICE::PRESHUTDOWN_INIT_PRIORITY);
-
-        // Create a task to handle the messages
-        task_create(ISTEP_21::msg_handler, l_msgQ);
-
-        // For single-node systems, the non-master processors can be in a
-        // different logical (powerbus) group.  Need to migrate task to master.
-        task_affinity_pin();
-        task_affinity_migrate_to_master();
-
-        uint64_t this_node = PIR_t(task_getcpuid()).groupId;
-
-        task_affinity_unpin();
+    task_affinity_unpin();
 
 #ifdef CONFIG_BMC_IPMI
 
-        // TODO ISSUE 118082
-        // ENABLE CODE BELOW ONCE OPAL COMPLETES ipmi WATCHDOG
+    // TODO ISSUE 118082
+    // ENABLE CODE BELOW ONCE OPAL COMPLETES ipmi WATCHDOG
 #if 0
-                //run the ipmi watchdog for a longer period to transition
-                // to opel
-                errlHndl_t err_ipmi = IPMIWATCHDOG::setWatchDogTimer(
-                        IPMIWATCHDOG::DEFAULT_HB_OPAL_TRANSITION_COUNTDOWN);
+            //run the ipmi watchdog for a longer period to transition
+            // to opel
+            errlHndl_t err_ipmi = IPMIWATCHDOG::setWatchDogTimer(
+                    IPMIWATCHDOG::DEFAULT_HB_OPAL_TRANSITION_COUNTDOWN);
 
-                if(err_ipmi)
-                {
-                TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
-                                "init: ERROR: Set IPMI watchdog Failed");
-                    err_ipmi->collectTrace("ISTEPS_TRACE",256);
-                    errlCommit(err_ipmi, ISTEP_COMP_ID );
+            if(err_ipmi)
+            {
+               TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
+                              "init: ERROR: Set IPMI watchdog Failed");
+                err_ipmi->collectTrace("ISTEPS_TRACE",256);
+                errlCommit(err_ipmi, ISTEP_COMP_ID );
 
-                }
+            }
 #endif
 
-        // TODO ISSUE 118082
-        // REMOVE CODE BELOW ONCE OPAL COMPLETES IPMI WATCHDOG
-        // THE CODE BELOW STOPS THE IPMI TIMER FROM RUNNING
-        // TO PREVENT IT GETTING TRIGGERED DURING HB_OPAL TRANSITION
+    // TODO ISSUE 118082
+    // REMOVE CODE BELOW ONCE OPAL COMPLETES IPMI WATCHDOG
+    // THE CODE BELOW STOPS THE IPMI TIMER FROM RUNNING
+    // TO PREVENT IT GETTING TRIGGERED DURING HB_OPAL TRANSITION
 
-        // Call setWatchdogTimer without the default DON'T STOP
-        // flag to stop the watchdog timer
-        errlHndl_t err_ipmi = IPMIWATCHDOG::setWatchDogTimer(
-                IPMIWATCHDOG::DEFAULT_HB_OPAL_TRANSITION_COUNTDOWN,
-                IPMIWATCHDOG::BIOS_FRB2);
+    // Call setWatchdogTimer without the default DON'T STOP
+    // flag to stop the watchdog timer
+    errlHndl_t err_ipmi = IPMIWATCHDOG::setWatchDogTimer(
+            IPMIWATCHDOG::DEFAULT_HB_OPAL_TRANSITION_COUNTDOWN,
+            IPMIWATCHDOG::BIOS_FRB2);
 
-        if(err_ipmi)
-        {
-            TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
-                            "init: ERROR: Set IPMI watchdog Failed");
-                err_ipmi->collectTrace("ISTEPS_TRACE",256);
-                errlCommit(err_ipmi, ISTEP_COMP_ID );
-        }
+    if(err_ipmi)
+    {
+       TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
+                      "init: ERROR: Set IPMI watchdog Failed");
+        err_ipmi->collectTrace("ISTEPS_TRACE",256);
+        errlCommit(err_ipmi, ISTEP_COMP_ID );
+
+    }
 
 #endif
 
-        // broadcast shutdown to other HB instances.
-        l_errl = broadcastShutdown(this_node);
+    // broadcast shutdown to other HB instances.
+    l_errl = broadcastShutdown(this_node);
 
-        if(l_errl)
-        {
-            break;
-        }
+    if( l_errl == NULL)
+    {
         //  - Run CXX testcases
         l_errl = INITSERVICE::executeUnitTests();
-
-        if(l_errl)
-        {
-            break;
-        }
-
+    }
 
 #ifdef CONFIG_DRTM_TRIGGERING
+
+    if(l_errl == nullptr)
+    {
         bool drtmMpipl = false;
         SECUREBOOT::DRTM::isDrtmMpipl(drtmMpipl);
         if(!drtmMpipl)
@@ -306,29 +226,27 @@ void* call_host_start_payload (void *io_pArgs)
                     TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace, ERR_MRK
                         "call_host_start_payload: Failed in call to "
                         "initiateDrtm()");
-                    break;
                 }
             }
         }
+    }
+
 #endif
 
+    if( l_errl == NULL )
+    {
         l_errl = disableSpecialWakeup();
-        if(l_errl)
-        {
-            break;
-        }
+    }
 
+    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(this_node, true);
-        if(l_errl)
-        {
-            break;
-        }
 
-    }while(0);
+    };
 
     if( l_errl )
     {
@@ -356,7 +274,7 @@ void* call_host_start_payload (void *io_pArgs)
 errlHndl_t callShutdown ( uint64_t i_masterInstance,
                           bool i_isMaster)
 {
-    errlHndl_t err = nullptr;
+    errlHndl_t err = NULL;
     uint64_t payloadBase = 0x0;
     uint64_t payloadEntry = 0x0;
     uint64_t payloadData = 0x0;
@@ -401,10 +319,10 @@ errlHndl_t callShutdown ( uint64_t i_masterInstance,
 
         // Get Target Service, and the system target.
         TargetService& tS = targetService();
-        TARGETING::Target* sys = nullptr;
+        TARGETING::Target* sys = NULL;
         (void) tS.getTopLevelTarget( sys );
 
-        if( nullptr == 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
@@ -486,10 +404,10 @@ errlHndl_t callShutdown ( uint64_t i_masterInstance,
 
 errlHndl_t broadcastShutdown ( uint64_t i_hbInstance )
 {
-    errlHndl_t err = nullptr;
-    TARGETING::Target * sys = nullptr;
+    errlHndl_t err = NULL;
+    TARGETING::Target * sys = NULL;
     TARGETING::targetService().getTopLevelTarget( sys );
-    assert(sys != nullptr);
+    assert(sys != NULL);
 
     TARGETING::ATTR_HB_EXISTING_IMAGE_type hb_images =
         sys->getAttr<TARGETING::ATTR_HB_EXISTING_IMAGE>();
@@ -585,7 +503,7 @@ errlHndl_t broadcastShutdown ( uint64_t i_hbInstance )
 
 errlHndl_t disableSpecialWakeup()
 {
-    errlHndl_t l_errl = nullptr;
+    errlHndl_t l_errl = NULL;
 
     TargetHandleList l_cores;
     getAllChiplets(l_cores, TYPE_CORE);
@@ -634,7 +552,7 @@ errlHndl_t disableSpecialWakeup()
  */
 errlHndl_t enableCoreCheckstops()
 {
-    errlHndl_t l_errl = nullptr;
+    errlHndl_t l_errl = NULL;
     //@TODO RTC:133848
 #if 0
     void* l_slwPtr = NULL;
@@ -799,12 +717,12 @@ errlHndl_t enableCoreCheckstops()
  * @brief This function will clear the PORE BARs.  Needs to be done
  *      depending on payload type
  *
- * @return errlHndl_t - nullptr if successful, otherwise a pointer to the error
+ * @return errlHndl_t - NULL if successful, otherwise a pointer to the error
  *      log.
  */
 errlHndl_t clearPoreBars ( void )
 {
-    errlHndl_t l_errl = nullptr;
+    errlHndl_t l_errl = NULL;
 
     TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                "set PORE bars back to 0" );
@@ -872,7 +790,7 @@ errlHndl_t clearPoreBars ( void )
 errlHndl_t notifyFsp ( bool i_istepModeFlag,
                        TARGETING::SpFunctions i_spFuncs )
 {
-    errlHndl_t err = nullptr;
+    errlHndl_t err = NULL;
 
     TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
                ENTER_MRK"notifyFsp()" );
diff --git a/src/usr/isteps/istep21/makefile b/src/usr/isteps/istep21/makefile
index 348756343..8601669d8 100644
--- a/src/usr/isteps/istep21/makefile
+++ b/src/usr/isteps/istep21/makefile
@@ -26,7 +26,6 @@ ROOTPATH = ../../../..
 MODULE = istep21
 
 EXTRAINCDIR += ${ROOTPATH}/src/import/chips/p9/procedures/hwp/pm/
-EXTRAINCDIR += ${ROOTPATH}/src/import/chips/p9/procedures/hwp/initfiles/
 EXTRAINCDIR += ${ROOTPATH}/src/import/chips/p9/procedures/hwp/ffdc/
 EXTRAINCDIR += ${ROOTPATH}/src/import/chips/p9/utils/imageProcs/
 EXTRAINCDIR += ${ROOTPATH}/src/import/hwpf/fapi2/include/