Add ibscom runtime support

 - Add ibscom runtime files
 - Make ibscom multicast workaround common
 - Call from ibscom rt_ibscom
 - Make scom sanity check common
 - Call from xscom rt_xscom ibscom rt_ibscom

RTC:190144
Change-Id: Ia52feac596ff6b6c8fb9f0db4493f35e4ee837af
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/56215
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: Martin Gloff <mgloff@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

2 files changed, 152 insertions, 0 deletions

diff --git a/src/usr/ibscom/runtime/makefile b/src/usr/ibscom/runtime/makefile
new file mode 100644
index 000000000..ba45c1b5e
--- /dev/null
+++ b/src/usr/ibscom/runtime/makefile
@@ -0,0 +1,38 @@
+# IBM_PROLOG_BEGIN_TAG
+# This is an automatically generated prolog.
+#
+# $Source: src/usr/ibscom/runtime/makefile $
+#
+# OpenPOWER HostBoot Project
+#
+# Contributors Listed Below - COPYRIGHT 2013,2018
+# [+] 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
+HOSTBOOT_RUNTIME = 1
+ROOTPATH = ../../../..
+MODULE = ibscom_rt
+
+#include common ojects between hostboot and runtime hostboot
+include ../ibscom.mk
+
+#include unique object modules
+OBJS += rt_ibscom.o
+
+#SUBDIRS += test.d
+
+VPATH += ..
+include $(ROOTPATH)/config.mk
diff --git a/src/usr/ibscom/runtime/rt_ibscom.C b/src/usr/ibscom/runtime/rt_ibscom.C
new file mode 100644
index 000000000..d731f1acc
--- /dev/null
+++ b/src/usr/ibscom/runtime/rt_ibscom.C
@@ -0,0 +1,114 @@
+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/usr/ibscom/runtime/rt_ibscom.C $                          */
+/*                                                                        */
+/* OpenPOWER HostBoot Project                                             */
+/*                                                                        */
+/* Contributors Listed Below - COPYRIGHT 2013,2018                        */
+/* [+] 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 <devicefw/driverif.H>
+#include <trace/interface.H>
+#include <errl/errlentry.H>
+#include <errl/errlmanager.H>
+#include <ibscom/ibscomreasoncodes.H>
+#include "../ibscom.H"
+#include <scom/scomif.H>
+#include <scom/runtime/rt_scomif.H>
+#include <ibscom/ibscomif.H>
+
+// Trace definition
+trace_desc_t* g_trac_ibscom = NULL;
+TRAC_INIT(&g_trac_ibscom, "IBSCOM", 2*KILOBYTE, TRACE::BUFFER_SLOW);
+
+namespace IBSCOM
+{
+
+DEVICE_REGISTER_ROUTE(DeviceFW::WILDCARD,
+                      DeviceFW::IBSCOM,
+                      TARGETING::TYPE_MEMBUF,
+                      ibscomPerformOp);
+
+
+/**
+ * @brief Complete the ibscom op
+ *
+ * @param[in]     i_opType    Operation type, see driverif.H
+ * @param[in]     i_target    IBSCom target
+ * @param[in/out] io_buffer   Read: Pointer to output data storage
+ *                            Write: Pointer to input data storage
+ * @param[in/out] io_buflen   Input: size of io_buffer (in bytes)
+ *                            Output: Read:  Size of output data
+ *                                    Write: Size of data written
+ * @param[in]   i_accessType  Access type
+ * @param[in]   i_args        This is an argument list for DD framework.
+ *                            In this function, there's only one argument,
+ *                               which is the MMIO IBSCom address
+ * @return  errlHndl_t
+ */
+errlHndl_t ibscomPerformOp(DeviceFW::OperationType i_opType,
+                           TARGETING::Target* i_target,
+                           void* io_buffer,
+                           size_t& io_buflen,
+                           int64_t i_accessType,
+                           va_list i_args)
+{
+    TRACDCOMP(g_trac_ibscom,ENTER_MRK"ibscomPerformOp");
+    errlHndl_t l_err = NULL;
+    uint64_t l_addr = va_arg(i_args,uint64_t);
+
+    do
+    {
+        l_err = SCOM::scomOpSanityCheck(i_opType,
+                                        i_target,
+                                        io_buffer,
+                                        io_buflen,
+                                        l_addr,
+                                        IBSCOM_BUFFER_SIZE);
+        if( l_err )
+        {
+            // Trace here - sanity check does not know scom type
+            TRACFCOMP(g_trac_ibscom,"Runtime IBScom sanity check failed");
+            break;
+        }
+
+        // Multicast is not handled correctly by inband scom
+        // Call workaround to complete manually
+        bool l_didWorkaround = false;
+        l_err = doIBScomMulticast(i_opType,
+                                i_target,
+                                io_buffer,
+                                io_buflen,
+                                l_addr,
+                                l_didWorkaround);
+        if( l_err || l_didWorkaround )
+        {
+            break;
+        }
+
+        l_err = SCOM::sendScomToHyp(i_opType, i_target, l_addr, io_buffer);
+
+    } while(0);
+
+    TRACDCOMP(g_trac_ibscom,EXIT_MRK"ibscomPerformOp");
+
+    return l_err;
+}
+
+}; // end namespace IBSCOM
+