Add Support for sbe_continueMPIPL FIFO Chip op

Hostboot needs an interface to request for the continueMPIPL
procedure on each slave proc.

Change-Id: I6d43985aa4c2657c60ed30aac7bd2e9b98e4bd8d
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/38540
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Dzuy Nguyen <dzuy@us.ibm.com>
Reviewed-by: Martin Gloff <mgloff@us.ibm.com>
Reviewed-by: William G. Hoffa <wghoffa@us.ibm.com>

4 files changed, 159 insertions, 0 deletions

diff --git a/src/include/usr/sbeio/sbeioreasoncodes.H b/src/include/usr/sbeio/sbeioreasoncodes.H
index c76a3d75f..0cff071ba 100644
--- a/src/include/usr/sbeio/sbeioreasoncodes.H
+++ b/src/include/usr/sbeio/sbeioreasoncodes.H
@@ -46,6 +46,7 @@ enum sbeioModuleId
     SBEIO_PSU                           = 0x01,
     SBEIO_FIFO                          = 0x02,
     SBEIO_FFDC_PARSER                   = 0x03,
+    SBEIO_FIFO_CONTINUE_MPIPL           = 0x04,
 };
 
 /**
diff --git a/src/usr/sbeio/makefile b/src/usr/sbeio/makefile
index 2690ec0d7..b6e7e1870 100644
--- a/src/usr/sbeio/makefile
+++ b/src/usr/sbeio/makefile
@@ -35,6 +35,7 @@ EXTRAINCDIR += ${ROOTPATH}/src/import/chips/p9/procedures/hwp/ffdc
 OBJS += sbe_psudd.o
 OBJS += sbe_coreStateControl.o
 OBJS += sbe_psuQuiesce.o
+OBJS += sbe_continueMpipl.o
 OBJS += sbe_systemConfig.o
 OBJS += sbe_fifodd.o
 OBJS += sbe_scomAccess.o
diff --git a/src/usr/sbeio/sbe_continueMpipl.C b/src/usr/sbeio/sbe_continueMpipl.C
new file mode 100644
index 000000000..d791fce1a
--- /dev/null
+++ b/src/usr/sbeio/sbe_continueMpipl.C
@@ -0,0 +1,116 @@
+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/usr/sbeio/sbe_continueMpipl.C $                           */
+/*                                                                        */
+/* OpenPOWER HostBoot Project                                             */
+/*                                                                        */
+/* Contributors Listed Below - COPYRIGHT 2012,2017                        */
+/* [+] International Business Machines Corp.                              */
+/*                                                                        */
+/*                                                                        */
+/* Licensed under the Apache License, Version 2.0 (the "License");        */
+/* you may not use this file except in compliance with the License.       */
+/* You may obtain a copy of the License at                                */
+/*                                                                        */
+/*     http://www.apache.org/licenses/LICENSE-2.0                         */
+/*                                                                        */
+/* Unless required by applicable law or agreed to in writing, software    */
+/* distributed under the License is distributed on an "AS IS" BASIS,      */
+/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or        */
+/* implied. See the License for the specific language governing           */
+/* permissions and limitations under the License.                         */
+/*                                                                        */
+/* IBM_PROLOG_END_TAG                                                     */
+/**
+* @file sbe_systemConfig.C
+* @brief System Configuartion Setup Messages to inform the SBE of other
+         procs in the system.
+*/
+
+#include <config.h>
+#include <trace/interface.H>
+#include <errl/errlmanager.H>
+#include <sbeio/sbeioif.H>
+#include "sbe_fifodd.H"
+#include <sbeio/sbeioreasoncodes.H>
+#include <targeting/common/targetservice.H>
+
+extern trace_desc_t* g_trac_sbeio;
+
+#define SBE_TRACD(printf_string,args...) \
+TRACDCOMP(g_trac_sbeio,"continueMPIPL: " printf_string,##args)
+
+#define SBE_TRACF(printf_string,args...) \
+TRACFCOMP(g_trac_sbeio,"continueMPIPL: " printf_string,##args)
+
+
+namespace SBEIO
+{
+
+    /**
+    * @brief Set the system configuration on the SBE so it is aware of
+    *        the other procs in the system
+    *
+    * @param[in] i_procChip The proc you would like to request continueMPIPL to
+    *                       NOTE: HB should only be sending this to slave procs
+    *
+    * @return errlHndl_t Error log handle on failure.
+    *
+    */
+
+    errlHndl_t sendContinueMpiplRequest(TARGETING::Target * i_procChip)
+    {
+        errlHndl_t errl = nullptr;
+        // check for master proc
+        TARGETING::Target * l_master = nullptr;
+        (void)TARGETING::targetService().masterProcChipTargetHandle(l_master);
+
+        do
+        {
+            // look for NULL
+            if( nullptr == i_procChip ||
+                TARGETING::MASTER_PROCESSOR_CHIP_TARGET_SENTINEL == i_procChip ||
+                i_procChip == l_master)
+            {
+                /*@
+                * @errortype
+                * @moduleid     SBEIO_FIFO_CONTINUE_MPIPL
+                * @reasoncode   SBEIO_FIFO_SENTINEL_TARGET
+                * @devdesc      Attempted FIFO chip op on Master Proc
+                * @custdesc     Firmware error communicating with boot device
+                */
+                errl = new ERRORLOG::ErrlEntry(ERRORLOG::ERRL_SEV_UNRECOVERABLE,
+                                            SBEIO_FIFO_CONTINUE_MPIPL,
+                                            SBEIO_FIFO_MASTER_TARGET,
+                                            0,
+                                            0,
+                                            true /*SW error*/);
+                errl->collectTrace(SBEIO_COMP_NAME);
+                break;
+            }
+
+            SBE_TRACD(ENTER_MRK "requesting continueMPIPL on proc %d HB -> SBE  ",
+                        i_procChip->getAttr<TARGETING::ATTR_POSITION>());
+
+            SbeFifo::fifoContinueMpiplRequest   l_fifoRequest;
+            SbeFifo::fifoContinueMpiplResponse  l_fifoResponse;
+
+            l_fifoRequest.commandClass = SbeFifo::SBE_FIFO_CLASS_MPIPL_COMMANDS;
+            l_fifoRequest.command = SbeFifo::SBE_FIFO_CMD_CONTINUE_MPIPL;
+
+
+            errl = SbeFifo::getTheInstance().performFifoChipOp(i_procChip,
+                                    (uint32_t *)&l_fifoRequest,
+                                    (uint32_t *)&l_fifoResponse,
+                                    sizeof(SbeFifo::fifoContinueMpiplResponse));
+
+            SBE_TRACD(EXIT_MRK "sendContinueMpiplRequest");
+
+        }while(0);
+
+        return errl;
+    };
+
+} //end namespace SBEIO
+
diff --git a/src/usr/sbeio/sbe_fifodd.H b/src/usr/sbeio/sbe_fifodd.H
index ba52dd6f0..dd23e3c54 100644
--- a/src/usr/sbeio/sbe_fifodd.H
+++ b/src/usr/sbeio/sbe_fifodd.H
@@ -92,6 +92,33 @@ class SbeFifo
         };
 
         /**
+        * @brief enums for FIFO MPIPL Messages
+        */
+        enum fifoMpiplMessage
+        {
+            SBE_FIFO_CMD_ENTER_MPIPL         = 0x01,
+            SBE_FIFO_CMD_CONTINUE_MPIPL      = 0x02,
+            SBE_FIFO_CMD_STOP_CLOCKS         = 0x03,
+        };
+
+        /**
+        * @brief Struct for FIFO Continue MPIPL request
+        *
+        */
+        struct fifoContinueMpiplRequest
+        {
+            uint32_t wordCnt;
+            uint16_t reserved;
+            uint8_t  commandClass;
+            uint8_t  command;
+            fifoContinueMpiplRequest() :
+            wordCnt(2),
+            reserved(0)
+            {
+            }
+        } PACKED;
+
+        /**
          * @brief Struct for FIFO Get SCOM request
          *
          */
@@ -195,6 +222,20 @@ class SbeFifo
         } PACKED;
 
         /**
+        * @brief Struct for FIFO Continue MPIPL response
+        *
+        * The actual number of returned words varies based on whether there was
+        * an error.
+        */
+        struct fifoContinueMpiplResponse
+        {
+            statusHeader status;
+            struct       fapi2::ffdc_struct ffdc;  // ffdc data
+            uint32_t     status_distance; // distance to status
+            fifoContinueMpiplResponse() {}
+        } PACKED;
+
+        /**
          * @Brief perform SBE FIFO chip-op
          *
          * @param[in]  i_target        Target to access