HBRT command from SBE to trigger NVDIMM operations

Add support for calling NVDIMM operations through
the SBE message passing interface

Change-Id: Iae94166a411f134771f461dd3a63806721904368
RTC:211725
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/80856
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: Matt Derksen <mderkse1@us.ibm.com>
Reviewed-by: Glenn Miles <milesg@ibm.com>
Reviewed-by: Roland Veloz <rveloz@us.ibm.com>
Reviewed-by: Daniel M Crowell <dcrowell@us.ibm.com>

3 files changed, 72 insertions, 2 deletions

diff --git a/src/usr/sbeio/runtime/makefile b/src/usr/sbeio/runtime/makefile
index 37792b554..e50153946 100644
--- a/src/usr/sbeio/runtime/makefile
+++ b/src/usr/sbeio/runtime/makefile
@@ -5,7 +5,7 @@
 #
 # OpenPOWER HostBoot Project
 #
-# Contributors Listed Below - COPYRIGHT 2017,2018
+# Contributors Listed Below - COPYRIGHT 2017,2019
 # [+] International Business Machines Corp.
 #
 #
@@ -37,6 +37,7 @@ include ../common/common.mk
 ## Objects unique to HBRT
 OBJS += rt_sbeio.o
 OBJS += sbeio_attr_override.o
+OBJS += sbeio_nvdimm_operation.o
 OBJS += sbeio_vital_attn.o
 
 ## sbeio_rt's sub directories
diff --git a/src/usr/sbeio/runtime/rt_sbeio.C b/src/usr/sbeio/runtime/rt_sbeio.C
index 3aed96db6..360a144cd 100644
--- a/src/usr/sbeio/runtime/rt_sbeio.C
+++ b/src/usr/sbeio/runtime/rt_sbeio.C
@@ -5,7 +5,7 @@
 /*                                                                        */
 /* OpenPOWER HostBoot Project                                             */
 /*                                                                        */
-/* Contributors Listed Below - COPYRIGHT 2017,2018                        */
+/* Contributors Listed Below - COPYRIGHT 2017,2019                        */
 /* [+] International Business Machines Corp.                              */
 /*                                                                        */
 /*                                                                        */
@@ -29,6 +29,7 @@
 #include <sys/misc.h>
 #include <sbeio/runtime/sbe_msg_passing.H>
 #include <sbeio/runtime/sbeio_attr_override.H>
+#include <sbeio/runtime/sbeio_nvdimm_operation.H>
 #include <sbeio/sbeioreasoncodes.H>
 #include <errno.h>
 #include <errl/errlentry.H>
@@ -782,6 +783,10 @@ namespace RT_SBEIO
 #endif
            SBE_MSG::setProcessCmdFunction(PASSTHRU_HBRT_OVERRIDE_ATTR,
                                           sbeApplyAttrOverrides);
+#ifdef CONFIG_NVDIMM
+           SBE_MSG::setProcessCmdFunction(PASSTHRU_HBRT_NVDIMM_OP,
+                                          sbeNvdimmOperation);
+#endif
         }
     };
 
diff --git a/src/usr/sbeio/runtime/sbeio_nvdimm_operation.C b/src/usr/sbeio/runtime/sbeio_nvdimm_operation.C
new file mode 100644
index 000000000..f41cd01a5
--- /dev/null
+++ b/src/usr/sbeio/runtime/sbeio_nvdimm_operation.C
@@ -0,0 +1,64 @@
+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/usr/sbeio/runtime/sbeio_nvdimm_operation.C $              */
+/*                                                                        */
+/* OpenPOWER HostBoot Project                                             */
+/*                                                                        */
+/* Contributors Listed Below - COPYRIGHT 2017,2019                        */
+/* [+] 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                                                     */
+#include <sbeio/runtime/sbeio_nvdimm_operation.H>
+
+#include <runtime/interface.h>
+#include <util/runtime/rt_fwnotify.H>
+#include <sbeio/sbeioreasoncodes.H>
+#include <errl/errlentry.H>
+
+extern trace_desc_t* g_trac_sbeio;
+
+using namespace ERRORLOG;
+
+namespace SBE_MSG
+{
+
+//-------------------------------------------------------------------------
+errlHndl_t sbeNvdimmOperation( TARGETING::TargetHandle_t i_procTgt,
+                               uint32_t   i_reqDataSize,
+                               uint8_t  * i_reqData,
+                               uint32_t * o_rspStatus,
+                               uint32_t * o_rspDataSize,
+                               uint8_t  * o_rspData )
+{
+    errlHndl_t errl{};
+
+    do
+    {
+        *o_rspDataSize = 0; //No return data
+        o_rspData = nullptr;
+
+        // doNvDimmOperation will take care of handling errors it encounters.
+        hostInterfaces::nvdimm_operation_t* l_nvdimmOp =
+            reinterpret_cast<hostInterfaces::nvdimm_operation_t*>(i_reqData);
+        *o_rspStatus = doNvDimmOperation(*l_nvdimmOp);
+    }
+    while(0);
+
+    return errl;
+}
+
+}//End namespace