#pragma once #include "constants.hpp" #include "exceptions.hpp" #include "logger.hpp" #include "parser_interface.hpp" #include "types.hpp" namespace vpd { /** * @brief Concrete class to implement DDIMM VPD parsing. * * The class inherits ParserInterface interface class and overrides the parser * functionality to implement parsing logic for DDIMM VPD format. */ class DdimmVpdParser : public ParserInterface { public: // Deleted API's DdimmVpdParser() = delete; DdimmVpdParser(const DdimmVpdParser&) = delete; DdimmVpdParser& operator=(const DdimmVpdParser&) = delete; DdimmVpdParser(DdimmVpdParser&&) = delete; DdimmVpdParser& operator=(DdimmVpdParser&&) = delete; /** * @brief Defaul destructor. */ ~DdimmVpdParser() = default; /** * @brief Constructor * * @param[in] i_vpdVector - VPD data. */ DdimmVpdParser(const types::BinaryVector& i_vpdVector) : m_vpdVector(i_vpdVector) { if ((constants::DDIMM_11S_BARCODE_START + constants::DDIMM_11S_BARCODE_LEN) > m_vpdVector.size()) { throw(DataException("Malformed DDIMM VPD")); } } /** * @brief API to parse DDIMM VPD file. * * @return parsed VPD data */ virtual types::VPDMapVariant parse() override; private: /** * @brief API to read keyword data based on the type DDR4/DDR5. * * Updates the m_parsedVpdMap with read keyword data. * @param[in] i_iterator - iterator to buffer containing VPD */ void readKeywords(types::BinaryVector::const_iterator i_iterator); /** * @brief API to calculate DDIMM size from DDIMM VPD * * @param[in] i_iterator - iterator to buffer containing VPD * @return calculated size or 0 in case of any error. */ size_t getDdimmSize(types::BinaryVector::const_iterator i_iterator); /** * @brief This function calculates DDR5 based DDIMM's capacity * * @param[in] i_iterator - iterator to buffer containing VPD * @return calculated size or 0 in case of any error. */ size_t getDdr5BasedDdimmSize( types::BinaryVector::const_iterator i_iterator); /** * @brief This function calculates DDR4 based DDIMM's capacity * * @param[in] i_iterator - iterator to buffer containing VPD * @return calculated size or 0 in case of any error. */ size_t getDdr4BasedDdimmSize( types::BinaryVector::const_iterator i_iterator); /** * @brief This function calculates DDR5 based die per package * * @param[in] i_ByteValue - the bit value for calculation * @return die per package value. */ uint8_t getDdr5DiePerPackage(uint8_t i_ByteValue); /** * @brief This function calculates DDR5 based density per die * * @param[in] i_ByteValue - the bit value for calculation * @return density per die. */ uint8_t getDdr5DensityPerDie(uint8_t i_ByteValue); /** * @brief This function checks the validity of the bits * * @param[in] i_ByteValue - the byte value with relevant bits * @param[in] i_shift - shifter value to selects needed bits * @param[in] i_minValue - minimum value it can contain * @param[in] i_maxValue - maximum value it can contain * @return true if valid else false. */ bool checkValidValue(uint8_t i_ByteValue, uint8_t i_shift, uint8_t i_minValue, uint8_t i_maxValue); // VPD file to be parsed const types::BinaryVector& m_vpdVector; // Stores parsed VPD data. types::DdimmVpdMap m_parsedVpdMap{}; }; } // namespace vpd