HWPF: Add MVPD Accessor HWP to retrieve ATTR_EX_L2_SINGLE_MEMBER_ENABLE

The existing code supports ATTR_EX_L2_SINGLE_MEMBER_ENABLE with a zero-init
Targeting attribute, but this is just a temporary hack. This data is in MVPD
and each platform supports it by calling a common VPD accessor HWP.

Change-Id: Id9efbd762aafb3e80b5997024c09038297fe86a9
RTC: 64824
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/3989
Tested-by: Jenkins Server
Reviewed-by: William H. Schwartz <whs@us.ibm.com>
Reviewed-by: KUMAR V. CHALLA <kvchalla@us.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>

1 files changed, 124 insertions, 0 deletions

diff --git a/src/usr/hwpf/hwp/mvpd_accessors/getMvpdExL2SingleMemberEnable.C b/src/usr/hwpf/hwp/mvpd_accessors/getMvpdExL2SingleMemberEnable.C
new file mode 100644
index 000000000..ccd31d01d
--- /dev/null
+++ b/src/usr/hwpf/hwp/mvpd_accessors/getMvpdExL2SingleMemberEnable.C
@@ -0,0 +1,124 @@
+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/usr/hwpf/hwp/mvpd_accessors/getMvpdExL2SingleMemberEnable.C $ */
+/*                                                                        */
+/* 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: getMvpdExL2SingleMemberEnable.C,v 1.1 2013/04/10 22:02:33 mjjones Exp $
+/**
+ *  @file getMvpdExL2SingleMemberEnable.C
+ *
+ *  @brief MVPD Accessor for providing the ATTR_EX_L2_SINGLE_MEMBER_ENABLE
+ *         attribute
+ */
+
+/*
+ * Change Log ******************************************************************
+ * Flag     Defect/Feature  User        Date        Description
+ * ------   --------------  ----------  ----------- ----------------------------
+ *                          mjjones     04/10/2013  Created.
+ */
+
+#include <getMvpdExL2SingleMemberEnable.H>
+
+extern "C"
+{
+
+fapi::ReturnCode getMvpdExL2SingleMemberEnable(
+    const fapi::Target & i_procTarget,
+    uint32_t & o_val)
+{
+    /**
+     *  @brief Structure of the LWP4 record, IN keyword MVPD field
+     *         for the retrieval of the Single Member Enable data
+     *
+     *  This could move to a common header file if multiple VPD Accessors need
+     *  to get data from the LWP4 record, IN keyword MVPD field
+     */
+    struct MVPD_LWP4_IN
+    {
+        uint8_t iv_reserved0;
+        uint8_t iv_reserved1;
+        uint8_t iv_singleMemberEnable0_7;
+        uint8_t iv_singleMemberEnable8_15;
+    };
+
+    fapi::ReturnCode l_rc;
+    uint8_t * l_pField = NULL;
+    uint32_t l_fieldSize = 0;
+
+    FAPI_INF("getMvpdExL2SingleMemberEnable: entry");
+
+    // Call fapiGetMvpdField with a NULL pointer to get the field size
+    l_rc = fapiGetMvpdField(fapi::MVPD_RECORD_LWP4,
+                            fapi::MVPD_KEYWORD_IN,
+                            i_procTarget,
+                            l_pField,
+                            l_fieldSize);
+
+    if (l_rc)
+    {
+        FAPI_ERR("getMvpdExL2SingleMemberEnable: Error getting MVPD field size");
+    }
+    else
+    {
+        if (l_fieldSize < sizeof(MVPD_LWP4_IN))
+        {
+            FAPI_ERR("getMvpdExL2SingleMemberEnable: MVPD field too small (%d)",
+                     l_fieldSize);
+            uint32_t & FIELD_SIZE = l_fieldSize;
+            FAPI_SET_HWP_ERROR(l_rc,
+                RC_MVPD_EX_L2_SINGLE_MEMBER_ENABLE_BAD_FIELD_SIZE);
+        }
+        else
+        {
+            // Allocate memory and call fapiGetMvpdField to get the field
+            l_pField = new uint8_t[l_fieldSize];
+
+            l_rc = fapiGetMvpdField(fapi::MVPD_RECORD_LWP4,
+                                    fapi::MVPD_KEYWORD_IN,
+                                    i_procTarget,
+                                    l_pField,
+                                    l_fieldSize);
+
+            if (l_rc)
+            {
+                FAPI_ERR(
+                    "getMvpdExL2SingleMemberEnable: Error getting MVPD field");
+            }
+            else
+            {
+                MVPD_LWP4_IN * l_pData =
+                    reinterpret_cast<MVPD_LWP4_IN *>(l_pField);
+
+                o_val = l_pData->iv_singleMemberEnable0_7;
+                o_val <<= 8;
+                o_val += l_pData->iv_singleMemberEnable8_15;
+
+                FAPI_INF("getMvpdExL2SingleMemberEnable: 0x%08x", o_val);
+            }
+
+            delete [] l_pField;
+        }
+    }
+
+    return l_rc;
+}
+
+}