Investigate graceful shutdown path anomolies

    -Fix shutdown loop to notify processes correctly
    -Block pnor writes when gracefull shutdown is in process

Change-Id: I1d882e8596a0218fa499d947f3c6387e7ecd4ee8
RTC:125361
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/16852
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
Tested-by: Jenkins Server

1 files changed, 16 insertions, 0 deletions

diff --git a/src/usr/pnor/pnorrp.H b/src/usr/pnor/pnorrp.H
index 1a9b04ff6..d6cefdd60 100644
--- a/src/usr/pnor/pnorrp.H
+++ b/src/usr/pnor/pnorrp.H
@@ -38,6 +38,16 @@
 /**
  * PNOR Resource Provider
  */
+namespace PNOR
+{
+    // used to register for the hostboot shutdown
+    // notification messages.
+    enum msg_type
+    {
+        MSG_NOT_USED = 0x00,
+        MSG_SHUTDOWN = 0x01,
+    };
+};
 class PnorRP
 {
   public:
@@ -159,6 +169,12 @@ class PnorRP
     uint64_t iv_startupRC;
 
     /**
+     * sent when a shutdown message is sent, used to elimnate further writes
+     * to pnore during a shutdown process
+     */
+    bool iv_shutdown_pending;
+
+    /**
      * Track some information related to flash wear and health
      *  indexed by physical page number inside PNOR
      */