diff --git a/libpldmresponder/bios_parser.hpp b/libpldmresponder/bios_parser.hpp
index 1f13f94..2edbc95 100644
--- a/libpldmresponder/bios_parser.hpp
+++ b/libpldmresponder/bios_parser.hpp
@@ -89,4 +89,50 @@
 
 } // namespace bios_enum
 
+namespace bios_string
+{
+
+/** @brief Parse the JSON file specific to BIOSString and
+ *         BIOSStringReadOnly types and populate the data structure for
+ *         the corresponding possible values and the default value. Setup the
+ *         data structure to lookup the current value of the BIOS string
+ *         attribute. JSON is parsed once and the information is cached.
+ *
+ *  @param[in] dirPath - directory path where all the BIOS configuration JSON
+ *                      exist
+ *
+ *  @return 0 for success and negative return code for failure
+ */
+int setupValueLookup(const char* dirPath);
+
+using AttrName = std::string;
+using IsReadOnly = bool;
+using StrType = uint8_t;
+using MinStrLen = uint16_t;
+using MaxStrLen = uint16_t;
+using DefaultStrLen = uint16_t;
+using DefaultStr = std::string;
+using AttrValuesMap =
+    std::map<AttrName, std::tuple<IsReadOnly, StrType, MinStrLen, MaxStrLen,
+                                  DefaultStrLen, DefaultStr>>;
+/* attrTableSize is the sum of fixed length of members which construct a string
+ * attribute table, including attr_handle(uint16_t), attr_type(uint8_t),
+ * string_handle(uint16_t), strType(uint8_t), minStrLen(uint16_t),
+ * MaxStrLen(uint16_t), DefaultStrLen(uint16_t) */
+constexpr auto attrTableSize = 12;
+static_assert(attrTableSize == sizeof(uint16_t) + sizeof(uint8_t) +
+                                   sizeof(uint16_t) + sizeof(uint8_t) +
+                                   sizeof(uint16_t) + sizeof(uint16_t) +
+                                   sizeof(uint16_t));
+
+/** @brief Get the string related values and the default values for the
+ *         BIOSString and BIOSStringReadOnly types
+ *
+ *  @return information needed to build the BIOS attribute table specific to
+ *         BIOSString and BIOSStringReadOnly types
+ */
+const AttrValuesMap& getValues();
+
+} // namespace bios_string
+
 } // namespace bios_parser