Always send NV_STATUS to Opal when opal-prd starts

Opal does not persist NVDIMM status state so HBRT
must send this info to Opal when opal-prd starts.

Change-Id: I0771c63ff2857f9b70fbfad5760267e3da463009
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/87541
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
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>
Reviewed-by: Roland Veloz <rveloz@us.ibm.com>
Reviewed-by: Matt Derksen <mderkse1@us.ibm.com>
Reviewed-by: Daniel M Crowell <dcrowell@us.ibm.com>

5 files changed, 54 insertions, 1 deletions

diff --git a/src/include/runtime/interface.h b/src/include/runtime/interface.h
index 638bf8b89..2d54dd1f3 100644
--- a/src/include/runtime/interface.h
+++ b/src/include/runtime/interface.h
@@ -1124,6 +1124,11 @@ struct postInitCalls_t
      */
     void (*callCommitRsvdTraceBufErrl)();
 
+    /**
+     * @brief Sends current NV_STATUS to host
+     *
+     */
+    void (*callSendNvStatus)();
 };
 
 extern hostInterfaces_t* g_hostInterfaces;
diff --git a/src/include/usr/isteps/nvdimm/nvdimm.H b/src/include/usr/isteps/nvdimm/nvdimm.H
index 136e5cda1..97655b24b 100644
--- a/src/include/usr/isteps/nvdimm/nvdimm.H
+++ b/src/include/usr/isteps/nvdimm/nvdimm.H
@@ -271,6 +271,12 @@ bool nvDimmNvmCheckHealthStatus(const TARGETING::TargetHandleList
  */
 bool nvDimmNvmCheckHealthStatusOnSystem();
 
+
+/**
+ * @brief Send NV_STATUS to host
+ */
+void nvdimmSendNvStatus();
+
 #endif
 
 /**
@@ -299,6 +305,7 @@ enum nvdimm_protection_t
     NVDIMM_ENCRYPTION_ERROR   = 6,
     ENCRYPTION_ENABLED        = 7,
     ENCRYPTION_DISABLED       = 8,
+    SEND_NV_STATUS            = 11,
     /* deprecated, still used by PRD */
     UNPROTECTED_BECAUSE_ERROR = 4,
 };
diff --git a/src/runtime/rt_main.C b/src/runtime/rt_main.C
index b8f37e46c..3aa2931e6 100644
--- a/src/runtime/rt_main.C
+++ b/src/runtime/rt_main.C
@@ -5,7 +5,7 @@
 /*                                                                        */
 /* OpenPOWER HostBoot Project                                             */
 /*                                                                        */
-/* Contributors Listed Below - COPYRIGHT 2013,2018                        */
+/* Contributors Listed Below - COPYRIGHT 2013,2019                        */
 /* [+] International Business Machines Corp.                              */
 /*                                                                        */
 /*                                                                        */
@@ -166,6 +166,11 @@ runtimeInterfaces_t* rt_start(hostInterfaces_t* intf)
         // (HTMGT not compiled in by default)
     }
 
+#ifdef CONFIG_NVDIMM
+    // Update hose with current NV_STATUS
+    rtPost->callSendNvStatus();
+#endif
+
     // do any version mismatch fixups
     rt_version_fixup();
 
diff --git a/src/usr/isteps/nvdimm/nvdimm.C b/src/usr/isteps/nvdimm/nvdimm.C
index 3c6c1a055..6576b5a63 100644
--- a/src/usr/isteps/nvdimm/nvdimm.C
+++ b/src/usr/isteps/nvdimm/nvdimm.C
@@ -3660,6 +3660,10 @@ errlHndl_t notifyNvdimmProtectionChange(Target* i_target,
                     break;
                 case ENCRYPTION_DISABLED:
                     l_clr_encryption = true;
+                    break;
+                case SEND_NV_STATUS:
+                    // no action, just send status
+                    break;
             }
 
             // Set the attribute and send it to the FSP if needed
diff --git a/src/usr/isteps/nvdimm/runtime/nvdimm_rt.C b/src/usr/isteps/nvdimm/runtime/nvdimm_rt.C
index 32c4dd18f..f22c7d33a 100644
--- a/src/usr/isteps/nvdimm/runtime/nvdimm_rt.C
+++ b/src/usr/isteps/nvdimm/runtime/nvdimm_rt.C
@@ -1021,4 +1021,36 @@ bool nvDimmNvmCheckHealthStatusOnSystem()
 }  // end nvDimmCheckHealthStatusOnSystem
 
 
+/**
+ * @brief Send NV_STATUS to host
+ */
+void nvdimmSendNvStatus()
+{
+    // Send NV_STATUS for all nvdimms
+    TargetHandleList l_nvdimmTargetList;
+    nvdimm_getNvdimmList(l_nvdimmTargetList);
+    for (const auto & l_nvdimm : l_nvdimmTargetList)
+    {
+        errlHndl_t l_err = nullptr;
+        l_err = notifyNvdimmProtectionChange(l_nvdimm,SEND_NV_STATUS);
+        if (l_err)
+        {
+            errlCommit(l_err, NVDIMM_COMP_ID);
+        }
+    }
+}
+
+
+struct registerNvdimmRt
+{
+    registerNvdimmRt()
+    {
+        // Register function to call at end of RT init
+        postInitCalls_t * rt_post = getPostInitCalls();
+        rt_post->callSendNvStatus = &nvdimmSendNvStatus;
+    }
+};
+
+registerNvdimmRt g_registerNvdimmRt;
+
 } // end NVDIMM namespace