Support ATTR_PROC_EX_FUNC_L3_DELTA_DATA properly

Instead of zero data, an Attribute Accessor HWP should return real data
supplied by the HW team.

Change-Id: I53c3ecd01bd30475b2ab861af0cb0ad422521782
CQ: SW235093
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/7639
Tested-by: Jenkins Server
Reviewed-by: Brian H. Horton <brianh@linux.ibm.com>
Reviewed-by: William H. Schwartz <whs@us.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>

2 files changed, 77 insertions, 0 deletions

diff --git a/src/include/usr/hwpf/hwp/winkle_ring_accessors/getL3DeltaDataAttr.H b/src/include/usr/hwpf/hwp/winkle_ring_accessors/getL3DeltaDataAttr.H
new file mode 100755
index 000000000..e9b6974ad
--- /dev/null
+++ b/src/include/usr/hwpf/hwp/winkle_ring_accessors/getL3DeltaDataAttr.H
@@ -0,0 +1,58 @@
+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/include/usr/hwpf/hwp/winkle_ring_accessors/getL3DeltaDataAttr.H $ */
+/*                                                                        */
+/* IBM CONFIDENTIAL                                                       */
+/*                                                                        */
+/* COPYRIGHT International Business Machines Corp. 2013                   */
+/*                                                                        */
+/* p1                                                                     */
+/*                                                                        */
+/* Object Code Only (OCO) source materials                                */
+/* Licensed Internal Code Source Materials                                */
+/* IBM HostBoot Licensed Internal Code                                    */
+/*                                                                        */
+/* The source code for this program is not published or otherwise         */
+/* divested of its trade secrets, irrespective of what has been           */
+/* deposited with the U.S. Copyright Office.                              */
+/*                                                                        */
+/* Origin: 30                                                             */
+/*                                                                        */
+/* IBM_PROLOG_END_TAG                                                     */
+// $Id: getL3DeltaDataAttr.H,v 1.1 2013/12/10 02:11:07 mjjones Exp $
+/**
+ *  @file getL3DeltaDataAttr.H
+ *
+ *  @brief Prototype for getL3DeltaDataAttr() -
+ *         fetch L3 delta data attribute based on chip EC and PROC_PBIEX_ASYNC_SEL from data from static arrays (fapiL3DeltaDataAttr.H)
+ */
+
+ #ifndef    _HWP_GETL3DELTADATAATTR_
+ #define    _HWP_GETL3DELTADATAATTR_
+
+#include   <fapi.H>
+#include    <fapiL3DeltaDataAttr.H>
+
+// function pointer typedef definition for HWP call support
+typedef fapi::ReturnCode (*getL3DeltaDataAttr_FP_t)
+     (const fapi::Target &, uint32_t (&)[DELTA_DATA_SIZE]);
+
+
+extern "C"
+{
+/**
+ * @brief   get processor ex func L3 delta data attribute for the specified target CPU.
+ *
+ * @param i_fapiTarget      -   cpu target
+ * @param o_data            -   out:    L3 delta data data.
+ *
+ * @return fapi::ReturnCode -   FAPI_RC_SUCCESS if success,
+ *                              relevant error code for failure.
+ */
+fapi::ReturnCode getL3DeltaDataAttr( const fapi::Target  &i_fapiTarget,
+                                     uint32_t (&o_data)[DELTA_DATA_SIZE]);
+
+}
+
+#endif
diff --git a/src/include/usr/hwpf/plat/fapiPlatAttributeService.H b/src/include/usr/hwpf/plat/fapiPlatAttributeService.H
index fa2ce2818..b36792f65 100644
--- a/src/include/usr/hwpf/plat/fapiPlatAttributeService.H
+++ b/src/include/usr/hwpf/plat/fapiPlatAttributeService.H
@@ -59,6 +59,7 @@
 #include <dimmConsts.H>
 #include <util/singleton.H>
 #include <procMemConsts.H>
+#include <fapiL3DeltaDataAttr.H>
 
 //******************************************************************************
 // Interface
@@ -678,6 +679,17 @@ fapi::ReturnCode fapiPlatGetSpdAttrAccessor (
     void * o_pVal,
     size_t i_len);
 
+/**
+ * @brief This function is called by the FAPI_ATTR_GET macro when getting the
+ *        ATTR_PROC_EX_FUNC_L3_DELTA_DATA attribute. It should not be called
+ *        directly.
+ *
+ *  @param[in]  i_pProcTarget Processor Chip Target pointer
+ *  @param[out] o_data        Reference to output data
+ */
+fapi::ReturnCode fapiPlatGetL3DDAttr(const fapi::Target * i_pProcTarget,
+                                     uint32_t (&o_data)[DELTA_DATA_SIZE]);
+
 } // namespace platAttrSvc
 
 } // namespace fapi
@@ -1746,4 +1758,11 @@ fapi::ReturnCode fapiPlatGetSpdAttrAccessor (
     fapi::platAttrSvc::fapiPlatL4BankDelete\
         (PTARGET, VAL, fapi::SET_L4_BANK_DELETE_MODE)
 
+//------------------------------------------------------------------------------
+//  MACRO to support L3 DELTA DATA Ring Attribute
+//------------------------------------------------------------------------------
+#define ATTR_PROC_EX_FUNC_L3_DELTA_DATA_GETMACRO(ID, PTARGET, VAL) \
+    fapi::AttrOverrideSync::getAttrOverrideFunc(fapi::ID, PTARGET, &VAL) ? fapi::FAPI_RC_SUCCESS : \
+    fapi::platAttrSvc::fapiPlatGetL3DDAttr(PTARGET, VAL)
+
 #endif // FAPIPLATATTRIBUTESERVICE_H_