VPD Caching broken on multiple socket, single CVPD systems (Barreleye)

Invalidate Centaur Pnor sections if the section is invalid for all targets
that share that section. Keep a section if any target sharing the section
finds the section valid.

Fixes: open-power/hostboot#29
Change-Id: I14302e38f1d39f3bb4e1857267e1547d1a06302b
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/22047
Tested-by: Jenkins Server
Reviewed-by: A. P. Williams III <iawillia@us.ibm.com>
Reviewed-by: Matthew A. Ploetz <maploetz@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/22153
Tested-by: FSP CI Jenkins
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/src/usr/isteps/istep06/host_discover_targets.C b/src/usr/isteps/istep06/host_discover_targets.C
index 6ed27ce31..b13c6f529 100644
--- a/src/usr/isteps/istep06/host_discover_targets.C
+++ b/src/usr/isteps/istep06/host_discover_targets.C
@@ -42,6 +42,7 @@
 #include <hwas/common/hwasCommon.H>
 #include <hwas/common/hwas_reasoncodes.H>
 #include <hwas/hwasPlat.H>
+#include <vpd/vpd_if.H>
 
 namespace ISTEP_06
 {
@@ -75,6 +76,16 @@ void* host_discover_targets( void *io_pArgs )
         l_err = HWAS::discoverTargets();
     }
 
+#if (defined(CONFIG_MEMVPD_READ_FROM_HW)&&defined(CONFIG_MEMVPD_READ_FROM_PNOR))
+    // Now that all targets have completed presence detect and vpd access,
+    // invalidate PNOR::CENTAUR_VPD sections where all the targets sharing a
+    // VPD_REC_NUM are invalid.
+    if (NULL == l_err) //discoverTargets worked
+    {
+        l_err = VPD::validateSharedPnorCache();
+    }
+#endif
+
     if (l_err)
     {
         // Create IStep error log and cross reference occurred error