Memory buffer vpd accessor functions

    Patch set 1 is fapi1 version for comparison

Change-Id: I9b8c7bb634ee51df3960991fc853a38ae734bbd0
Original-Change-Id: I533ad241a5baa4c13b5b6db9207cf7016761370b
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/41627
Dev-Ready: Steven B. Janssen <janssens@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: Brent Wieman <bwieman@us.ibm.com>
Reviewed-by: ANDRE A. MARIN <aamarin@us.ibm.com>
Reviewed-by: Steven B. Janssen <janssens@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/46348
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: Daniel M. Crowell <dcrowell@us.ibm.com>

1 files changed, 106 insertions, 0 deletions

diff --git a/src/import/chips/centaur/procedures/vpd_accessors/getMBvpdDram2NModeEnabled.C b/src/import/chips/centaur/procedures/vpd_accessors/getMBvpdDram2NModeEnabled.C
new file mode 100644
index 000000000..c58b38099
--- /dev/null
+++ b/src/import/chips/centaur/procedures/vpd_accessors/getMBvpdDram2NModeEnabled.C
@@ -0,0 +1,106 @@
+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/import/chips/centaur/procedures/vpd_accessors/getMBvpdDram2NModeEnabled.C $ */
+/*                                                                        */
+/* OpenPOWER HostBoot Project                                             */
+/*                                                                        */
+/* Contributors Listed Below - COPYRIGHT 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 getMBvpdDram2NModeEnabled.C
+///  @brief MBVPD Accessor for providing the ATTR_VPD_DRAM_2N_MODE_ENABLED attribute
+///
+/// *HWP HWP Owner: Luke Mulkey <lwmulkey@us.ibm.com>
+/// *HWP HWP Backup: Andre Marin <aamarin@us.ibm.com>
+/// *HWP Team: Memory
+/// *HWP Level: 2
+/// *HWP Consumed by: HB
+
+#include    <stdint.h>
+
+//  fapi support
+#include    <fapi2.H>
+#include    <getMBvpdDram2NModeEnabled.H>
+#include    <getMBvpdAttr.H>
+
+extern "C"
+{
+
+///
+/// @brief Get the ATTR_DRAM_2N_MODE_ENABLED FAPI attribute
+///
+/// Return whether Dram 2N Mode is enabled based on the MR keyword
+///   DRAM_2N_MODE value. The DRAM_2N_Mode values for both ports of the mba
+///   must be equal, otherwise an error is returned.
+///
+/// @param[in]  i_mbaTarget - Reference to mba Target
+/// @param[out] o_val  - ATTR_VPD_DRAM_2N_MODE_ENABLED enumeration value
+/// @return fapi::ReturnCode FAPI_RC_SUCCESS if success, else error code
+///
+    fapi2::ReturnCode getMBvpdDram2NModeEnabled(
+        const fapi2::Target<fapi2::TARGET_TYPE_MBA>&   i_mbaTarget,
+        uint8_t&   o_val)
+    {
+        fapi2::ReturnCode l_fapirc;
+        uint8_t l_dram2NMode [2] = {0, 0};
+        const uint8_t DRAM_2N_MODE  = 0x02;
+
+        FAPI_DBG("getMBvpdDram2NModeEnabled: entry ");
+
+        // Retrieve the Dram 2N Mode from the MR keyword
+        FAPI_EXEC_HWP(l_fapirc,
+                      getMBvpdAttr,
+                      i_mbaTarget,
+                      fapi2::ATTR_CEN_VPD_DRAM_2N_MODE_ENABLED,
+                      &l_dram2NMode,
+                      sizeof(l_dram2NMode));
+
+        if (l_fapirc)
+        {
+            FAPI_ERR("getMBvpdDram2NModeEnabled: Read of VZ keyword failed");
+            return l_fapirc;  //  break out with fapirc
+        }
+
+        // ensure values match
+        FAPI_ASSERT(l_dram2NMode[0] == l_dram2NMode[1],
+                    fapi2::CEN_MBVPD_DRAM_2N_MODE_NOT_EQUAL().
+                    set_PORT0(l_dram2NMode[0]).
+                    set_PORT1(l_dram2NMode[1]).
+                    set_MBA_TARGET(i_mbaTarget),
+                    "getMBvpdDram2NModeEnabled:"
+                    " ports should have same value 0x%02x != 0x%02x",
+                    l_dram2NMode[0], l_dram2NMode[1]);
+
+        // return value
+        if (DRAM_2N_MODE == l_dram2NMode[0] )
+        {
+            o_val = fapi2::ENUM_ATTR_CEN_VPD_DRAM_2N_MODE_ENABLED_TRUE;
+        }
+        else
+        {
+            o_val = fapi2::ENUM_ATTR_CEN_VPD_DRAM_2N_MODE_ENABLED_FALSE;
+        }
+
+        FAPI_DBG("getMBvpdDram2NModeEnabled: exit rc=0x%08x)",
+                 static_cast<uint32_t>(l_fapirc));
+
+    fapi_try_exit:
+        return fapi2::current_err;
+    }
+
+}   // extern "C"