Allow stopIPL to be called before istepdispatcher is loaded

Hostboot was crashing because a graceful shutdown was requested
before libistepdisp.so loaded.

Change-Id: Id9206961bcbb72094ff359f26db720b92480f5fb
CQ: SW445973
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/68110
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: Christian R. Geddes <crgeddes@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

2 files changed, 19 insertions, 8 deletions

diff --git a/src/include/usr/initservice/initserviceif.H b/src/include/usr/initservice/initserviceif.H
index 87ca8cdb0..d9787407b 100644
--- a/src/include/usr/initservice/initserviceif.H
+++ b/src/include/usr/initservice/initserviceif.H
@@ -184,7 +184,7 @@ inline bool spBaseServicesEnabled()
  *
  * If true then we are running in wrap config
  *
- * @return bool - true if wrap config, else false 
+ * @return bool - true if wrap config, else false
  */
 inline bool isSMPWrapConfig()
 {
@@ -216,6 +216,24 @@ void ShadowIstepData( uint8_t i_step,
 void GetIstepData( uint8_t & o_step,
                    uint8_t & o_subStep );
 
+/**
+ * @brief This function is to be used by external code to tell
+ *      istepdispatcher to stop executing isteps
+ *
+ *  Note:
+ *  Located here so external code can call before
+ *  istepdispatcher code is loaded
+ *
+ * @return Nothing
+ */
+void stopIpl( void );
+
+/**
+ * @brief Return if istepdispatcher needs to stop executing isteps
+ * @return true if IPL stopped
+ */
+bool isIplStopped();
+
 }
 
 
diff --git a/src/include/usr/initservice/istepdispatcherif.H b/src/include/usr/initservice/istepdispatcherif.H
index b36455a87..c4dee2889 100644
--- a/src/include/usr/initservice/istepdispatcherif.H
+++ b/src/include/usr/initservice/istepdispatcherif.H
@@ -94,13 +94,6 @@ errlHndl_t sendAttnMonitorChipIdMsg(
  */
 bool isShutdownRequested ( void );
 
-/**
- * @brief This function is to be used by external code to tell
- *      this instance of istepdispatcher to stop executing steps
- *
- * @return Nothing
- */
-void stopIpl( void );
 
 #ifdef CONFIG_BMC_IPMI
 /**