Add check for functional membufs in checkMinHW

Change-Id: I79d276d0799066df9c0889782bdae305bd0f87a7
RTC:91178
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/13651
Tested-by: Jenkins Server
Reviewed-by: Brian H. Horton <brianh@linux.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>

2 files changed, 63 insertions, 1 deletions

diff --git a/src/include/usr/hwas/common/hwas_reasoncodes.H b/src/include/usr/hwas/common/hwas_reasoncodes.H
index 0e6a07875..c7b735fa8 100644
--- a/src/include/usr/hwas/common/hwas_reasoncodes.H
+++ b/src/include/usr/hwas/common/hwas_reasoncodes.H
@@ -5,7 +5,9 @@
 /*                                                                        */
 /* OpenPOWER HostBoot Project                                             */
 /*                                                                        */
-/* COPYRIGHT International Business Machines Corp. 2011,2014              */
+/* Contributors Listed Below - COPYRIGHT 2012,2014                        */
+/* [+] 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.       */
@@ -47,6 +49,7 @@ namespace HWAS
         RC_SYSAVAIL_NO_MEMORY_FUNC          = HWAS_COMP_ID | 0x06,
         RC_SYSAVAIL_NO_PROCS_FUNC           = HWAS_COMP_ID | 0x07,
         RC_SYSAVAIL_NO_NODES_FUNC           = HWAS_COMP_ID | 0x08,
+        RC_SYSAVAIL_NO_MEMBUFS_FUNC         = HWAS_COMP_ID | 0x09,
     };
 };
 
diff --git a/src/usr/hwas/common/hwas.C b/src/usr/hwas/common/hwas.C
index 3ac0a3ad0..2322271dd 100644
--- a/src/usr/hwas/common/hwas.C
+++ b/src/usr/hwas/common/hwas.C
@@ -918,6 +918,65 @@ errlHndl_t checkMinimumHardware(const TARGETING::ConstTargetHandle_t i_node)
             errlCommit(l_errl, HWAS_COMP_ID);
             // errl is now NULL
         } // if no dimms
+
+        // check for functional membufs
+        PredicateCTM l_membuf(CLASS_CHIP, TYPE_MEMBUF);
+
+        TargetHandleList l_funcMembufTargetList;
+        PredicatePostfixExpr l_checkExprFunctionalMembufs;
+        l_checkExprFunctionalMembufs.push(&l_membuf).push(&l_functional).And();
+        targetService().getAssociated( l_funcMembufTargetList, pTop,
+                TargetService::CHILD, TargetService::ALL,
+                &l_checkExprFunctionalMembufs);
+
+        HWAS_DBG( "checkMinimumHardware: %d functional membufs",
+            l_funcMembufTargetList.size());
+
+        if (l_funcMembufTargetList.empty())
+        {
+             HWAS_ERR( "Insufficient hardware to continue IPL (func membufs)");
+
+             TargetHandleList l_presentMembufTargetList;
+             PredicatePostfixExpr l_checkExprPresentMembufs;
+             l_checkExprPresentMembufs.push(&l_membuf).push(&l_present).And();
+             targetService().getAssociated( l_presentMembufTargetList, pTop,
+                TargetService::CHILD, TargetService::ALL,
+                &l_checkExprPresentMembufs);
+             uint32_t membufs_present = l_presentMembufTargetList.size();
+
+             /*@
+              * @errortype
+              * @severity           ERRL_SEV_UNRECOVERABLE
+              * @moduleid           MOD_CHECK_MIN_HW
+              * @reasoncode         RC_SYSAVAIL_NO_MEMBUFS_FUNC
+              * @devdesc            checkMinimumHardware found no
+              *                     functional membufs
+              * @custdesc           A problem occurred during the IPL of the
+              *                     system: Found no functional dimm cards.
+              * @userdata1[00:31]   HUID of node
+              * @userdata2[00:31]   number of present nonfunctional membufs
+              */
+             const uint64_t userdata1 =
+                 (static_cast<uint64_t>(get_huid(pTop)) << 32);
+             const uint64_t userdata2 =
+                 (static_cast<uint64_t>(membufs_present) << 32);
+             l_errl = hwasError(ERRL_SEV_UNRECOVERABLE,
+                             MOD_CHECK_MIN_HW,
+                             RC_SYSAVAIL_NO_MEMBUFS_FUNC,
+                             userdata1, userdata2);
+
+             //  call out the procedure to find the deconfigured part.
+             hwasErrorAddProcedureCallout( l_errl,
+                             EPUB_PRC_FIND_DECONFIGURED_PART,
+                             SRCI_PRIORITY_HIGH );
+
+             //  if we already have an error, link this one to the earlier;
+             //  if not, set the common plid
+             hwasErrorUpdatePlid( l_errl, l_commonPlid );
+             errlCommit(l_errl, HWAS_COMP_ID);
+             // errl is now NULL
+        }
+
 #endif // CONFIG_DJVPD_READ_FROM_HW
 
         //  ------------------------------------------------------------