Need to disable interrupt sources before waiting for interrupts(MPIPL)

RTC:41868
Change-Id: I57891102fc0c96c156a9a69467c95645e4848703
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/3018
Tested-by: Jenkins Server
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>

1 files changed, 100 insertions, 23 deletions

diff --git a/src/usr/targeting/targetservicestart.C b/src/usr/targeting/targetservicestart.C
index d010f0e1e..dc252eed5 100644
--- a/src/usr/targeting/targetservicestart.C
+++ b/src/usr/targeting/targetservicestart.C
@@ -1,25 +1,25 @@
-//  IBM_PROLOG_BEGIN_TAG
-//  This is an automatically generated prolog.
-//
-//  $Source: src/usr/targeting/targetservicestart.C $
-//
-//  IBM CONFIDENTIAL
-//
-//  COPYRIGHT International Business Machines Corp. 2012
-//
-//  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 other-
-//  wise divested of its trade secrets, irrespective of what has
-//  been deposited with the U.S. Copyright Office.
-//
-//  Origin: 30
-//
-//  IBM_PROLOG_END
+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/usr/targeting/targetservicestart.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 targeting/targetservicestart.C
@@ -45,6 +45,10 @@
 #include <targeting/common/targetservice.H>
 #include <targeting/attrrp.H>
 
+// Others
+#include <errl/errlentry.H>
+#include <devicefw/userif.H>
+
 //******************************************************************************
 // targetService
 //******************************************************************************
@@ -62,6 +66,11 @@ namespace TARGETING
 
 #define TARG_CLASS ""
 
+/*
+ * @brief Initialize any attributes that need to be set early on
+ */
+static void initializeAttributes(TargetService& i_targetService);
+
 /**
  *  @brief Entry point for initialization service to initialize the targeting
  *      code
@@ -84,11 +93,13 @@ static void initTargeting(errlHndl_t& io_pError)
     {
         TargetService& l_targetService = targetService();
         (void)l_targetService.init();
+
+        initializeAttributes(l_targetService);
     }
 
     TARG_EXIT();
 
-    #undef TARG_FN
+#undef TARG_FN
 }
 
 /**
@@ -97,6 +108,72 @@ static void initTargeting(errlHndl_t& io_pError)
  */
 TASK_ENTRY_MACRO(initTargeting);
 
+
+
+/*
+ * @brief Initialize any attributes that need to be set early on
+ */
+static void initializeAttributes(TargetService& i_targetService)
+{
+    #define TARG_FN "initializeAttributes()...)"
+    TARG_ENTER();
+
+    bool l_isMpipl = false;
+    Target* l_pTopLevel = NULL;
+
+    i_targetService.getTopLevelTarget(l_pTopLevel);
+    if(l_pTopLevel)
+    {
+        Target* l_pMasterProcChip = NULL;
+        i_targetService.masterProcChipTargetHandle(l_pMasterProcChip);
+
+        if(l_pMasterProcChip)
+        {
+            errlHndl_t l_errl = NULL;
+            size_t l_size = sizeof(uint64_t);
+            uint64_t l_data;
+
+            // Scratch register 2 is defined as 0x00050039.. accessing
+            // directly to avoid confusion as the Literals set have
+            // 0x00050039 mapped to MBOX_SCRATCH1 which is confusing.
+            l_errl = DeviceFW::deviceRead(l_pMasterProcChip,
+                                          &(l_data),
+                                          l_size,
+                                          DEVICE_SCOM_ADDRESS(0x00050039));
+
+            if(l_errl)
+            {
+                TARG_INF("Read of scratch register failed");
+                errlCommit(l_errl,TARG_COMP_ID);
+            }
+            else
+            {
+                // bit 0 on indicates MPIPL
+                if(l_data & 0x8000000000000000ull)
+                {
+                    l_isMpipl = true;
+                }
+            }
+        }
+
+        if(l_isMpipl)
+        {
+            l_pTopLevel->setAttr<ATTR_IS_MPIPL_HB>(1);
+        }
+        else
+        {
+            l_pTopLevel->setAttr<ATTR_IS_MPIPL_HB>(0);
+        }
+    }
+    else // top level is NULL - never expected
+    {
+        TARG_INF("Top level target is NULL");
+    }
+
+    TARG_EXIT();
+    #undef TARG_FN
+}
+
 #undef TARG_CLASS
 
 #undef TARG_NAMESPACE