commit c2e42763f0e23946a5cd4a0c568907b80e2e3a45
author Dhruvaraj Subhashchandran <dhruvaraj@in.ibm.com> Wed Jun 17 00:30:12 2020 -0500
committer Jayanth Othayoth <ojayanth@in.ibm.com> Tue Jun 23 15:46:57 2020 +0000
tree b32f59504aaf5b853178cb0941bd243b6e93213b
parent 285f73ef6a45b4452de01c5936e46dde0e500257

Add startHostMpReboot support to PHAL based booting

Add support for setting the boot type as MPIPL to skip the
normal reboot and execute memory preserving reboot specific
steps.

Signed-off-by: Dhruvaraj Subhashchandran <dhruvaraj@in.ibm.com>
Change-Id: I477a01f2d0d3c3574a3e1335be666703b71713ab

procedures/phal/start_host.cpp

diff --git a/procedures/phal/start_host.cpp b/procedures/phal/start_host.cpp
index 39229f4..33917ea 100644
--- a/procedures/phal/start_host.cpp
+++ b/procedures/phal/start_host.cpp
@@ -117,7 +117,7 @@
  *        to kick off a boot.
  * @return void
  */
-void startHost()
+void startHost(enum ipl_type iplType = IPL_TYPE_NORMAL)
 {
     // add callback methods for debug traces and for boot failures
     openpower::pel::addBootErrorCallbacks();
@@ -146,6 +146,9 @@
         openpower::pel::detail::processBootErrorCallback(false);
         throw std::runtime_error("Boot initialization failed");
     }
+
+    ipl_set_type(iplType);
+
     // To clear trace if success
     openpower::pel::detail::processBootErrorCallback(true);
 
@@ -174,7 +177,27 @@
     }
 }
 
-REGISTER_PROCEDURE("startHost", startHost);
+/**
+ * @brief Starts the reboot with type memory preserving reboot.
+ * @return void
+ */
+void startHostMpReboot()
+{
+    // set ipl type as mpipl
+    startHost(IPL_TYPE_MPIPL);
+}
+
+/**
+ * @brief Starts the normal boot type.
+ * @return void
+ */
+void startHostNormal()
+{
+    startHost();
+}
+
+REGISTER_PROCEDURE("startHost", startHostNormal);
+REGISTER_PROCEDURE("startHostMpReboot", startHostMpReboot);
 
 } // namespace phal
 } // namespace openpower