Add sbe_retry_handler to FIFO fail path

In the event of a FIFO communication failure w/ SBE, hostboot wants to
run the sbe_retry_handler in order to collect as much FFDC as possible.
We were missing support for this before this commit. This commit also adds
support for the sbe_retry_handler to use the Secure Debug Bit and the
unsecure mode bit for the p9_extract_rc hwp.

Change-Id: I171abd89ccf4e78ffcc7c1190b58af3b11846362
CQ:SW395356
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/52702
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: Martin Gloff <mgloff@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>
Reviewed-by: Roland Veloz <rveloz@us.ibm.com>
Reviewed-by: Elizabeth K. Liner <eliner@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

1 files changed, 51 insertions, 0 deletions

diff --git a/src/include/usr/sbeio/sbe_retry_handler.H b/src/include/usr/sbeio/sbe_retry_handler.H
index a65bfeaaa..2042e4d41 100644
--- a/src/include/usr/sbeio/sbe_retry_handler.H
+++ b/src/include/usr/sbeio/sbe_retry_handler.H
@@ -153,6 +153,26 @@ class SbeRetryHandler
             this->iv_sbeMode = i_sbeMode;
         }
 
+        inline bool getUseSDB()
+        {
+            return this->iv_useSDB;
+        }
+
+        inline void setUseSDB(bool i_useSDB)
+        {
+            this->iv_useSDB = i_useSDB;
+        }
+
+        inline bool getSecureModeDisabled()
+        {
+            return this->iv_secureModeDisabled;
+        }
+
+        inline void setSecureModeDisabled(bool i_secureModeDisabled)
+        {
+            this->iv_secureModeDisabled = i_secureModeDisabled;
+        }
+
         /**
          * @brief  This function is the main entry point for all of the
          *         SBE handler functions.
@@ -194,11 +214,29 @@ class SbeRetryHandler
          * @param[in]     i_target        - current proc target
          *
          * @return - bool: true if we need to retry
+         *
+         * Note: This will default to calling the 2 param version w/ i_hideLog
+         *       set to TRUE
          */
 
         bool sbe_boot_fail_handler(TARGETING::Target * i_target);
 
         /**
+        * @brief  This function handles the SBE failed to boot error.
+        *
+        * @param[in]     i_target    - current proc target
+        * @param[in]     i_exposeLog - an error log is created at the top
+        *                              of this function, if we are doing retries
+        *                              we might not want to have this log show up
+        *                              i_exposeLog = true will make the elog PREDICTIVE
+        *
+        * @return - bool: true if we need to retry
+        */
+
+        bool sbe_boot_fail_handler(TARGETING::Target * i_target,
+                                   bool i_exposeLog);
+
+        /**
          * @brief  This function deals with the mask needed to switch
          *         boot side on the SBE for a given proc
          *
@@ -238,6 +276,19 @@ class SbeRetryHandler
         /************************** Class Elements **************************/
 
         /*
+        * @brief Bit used to tell if we are in secure debug mode. This means
+        *        we are expecting a complete restart so it is safe to perform
+        *        some extra operations.
+        */
+        bool iv_useSDB;
+
+        /*
+        * @brief Bit used for testing in the lab with systems that have secure
+        *        mode disabled.
+        */
+        bool iv_secureModeDisabled;
+
+        /*
          * @brief True if we successfully restarted the SBE
          */
         bool iv_sbeRestarted;