PRD: Skip callouts without trgts when clearing NVDIMM gard

Change-Id: Ic8dea5a3077a34ff10ade3c01f1a5031294156ef
CQ: SW473843
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/82947
Reviewed-by: Paul Greenwood <paul.greenwood@ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: Brian J Stegmiller <bjs@us.ibm.com>
Reviewed-by: Zane C Shelley <zshelle@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/82949
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>

src/usr/diag/prdf/common/framework/service/prdfServiceDataCollector.C

@@ -187,13 +187,17 @@ void ServiceDataCollector::clearNvdimmMruListGard()
     for ( auto & mru : xMruList )
     {
         PRDcallout callout = mru.callout;
-        TargetHandle_t trgt = callout.getTarget();
-        if ( TYPE_DIMM == PlatServices::getTargetType(trgt) )
+        PRDcalloutData::MruType mruType = callout.getType();
+
+        if ( mruType == PRDcalloutData::TYPE_TARGET )
         {
+            TargetHandle_t trgt = callout.getTarget();
+
             // If the callout target is an NVDIMM send a message to
             // PHYP/Hostboot that a save/restore may work, and if we are at
             // IPL, clear Gard on the NVDIMM.
-            if ( isNVDIMM(trgt) )
+            if ( TYPE_DIMM == PlatServices::getTargetType(trgt) &&
+                 isNVDIMM(trgt) )
             {
                 // Send the message to PHYP/Hostboot
                 uint32_t l_rc = PlatServices::nvdimmNotifyProtChange( trgt,
@@ -210,6 +214,35 @@ void ServiceDataCollector::clearNvdimmMruListGard()
                 #endif
             }
         }
+        else if ( mruType == PRDcalloutData::TYPE_MEMMRU )
+        {
+            MemoryMru memMru( callout.flatten() );
+            TargetHandleList dimmList = memMru.getCalloutList();
+
+            for ( auto & dimm : dimmList )
+            {
+                // If the callout target is an NVDIMM send a message to
+                // PHYP/Hostboot that a save/restore may work, and if we are at
+                // IPL, clear Gard on the NVDIMM.
+                if ( TYPE_DIMM == PlatServices::getTargetType(dimm) &&
+                     isNVDIMM(dimm) )
+                {
+                    // Send the message to PHYP/Hostboot
+                    uint32_t l_rc = PlatServices::nvdimmNotifyProtChange( dimm,
+                        NVDIMM::NVDIMM_RISKY_HW_ERROR );
+                    if ( SUCCESS != l_rc )
+                    {
+                        PRDF_TRAC( PRDF_FUNC "nvdimmNotifyProtChange(0x%08x) "
+                                   "failed.", PlatServices::getHuid(dimm) );
+                        continue;
+                    }
+                    #ifndef __HOSTBOOT_RUNTIME
+                    // IPL, clear Gard
+                    mru.gardState = NO_GARD;
+                    #endif
+                }
+            }
+        }
     }
     #endif // __HOSTBOOT_MODULE
     #endif // CONFIG_NVDIMM

src/usr/diag/prdf/common/plat/prdfRasServices_common.C

@@ -891,21 +891,21 @@ void ErrDataService::deallocateDimms( const SDC_MRU_LIST & i_mruList )
         for ( SDC_MRU_LIST::const_iterator it = i_mruList.begin();
               it != i_mruList.end(); ++it )
         {
-            #ifdef CONFIG_NVDIMM
-            // If the MRU's gard policy is set to NO_GARD, skip it.
-            if ( NO_GARD == it->gardState &&
-                 isNVDIMM(it->callout.getTarget()) )
-            {
-                continue;
-            }
-            #endif
 
             PRDcallout thiscallout = it->callout;
             if ( PRDcalloutData::TYPE_TARGET == thiscallout.getType() )
             {
                 TargetHandle_t calloutTgt = thiscallout.getTarget();
                 TYPE tgtType = getTargetType( calloutTgt );
 
+                #ifdef CONFIG_NVDIMM
+                // If the MRU's gard policy is set to NO_GARD, skip it.
+                if ( NO_GARD == it->gardState && isNVDIMM(calloutTgt) )
+                {
+                    continue;
+                }
+                #endif
+
                 if ( TYPE_L4 == tgtType )
                 {
                     calloutTgt = getConnectedParent( calloutTgt, TYPE_MEMBUF );
@@ -941,7 +941,17 @@ void ErrDataService::deallocateDimms( const SDC_MRU_LIST & i_mruList )
                       dimm != dimms.end(); ++dimm )
                 {
                     if ( TYPE_DIMM == getTargetType(*dimm) )
+                    {
+                        #ifdef CONFIG_NVDIMM
+                        // If the MRU's gard policy is set to NO_GARD, skip it.
+                        if ( NO_GARD == it->gardState && isNVDIMM(*dimm) )
+                        {
+                            continue;
+                        }
+                        #endif
+
                         dimmList.push_back(*dimm);
+                    }
                 }
             }
         }