[device/celestica]: Implement Sfp APIs based on the new platform API (#3290)

* [platform/cel]: update qsfp driver for dx010

* [device/celestica]: add sfp api

* [device/celestica]: add eeprom api

device/celestica/x86_64-cel_e1031-r0/sonic_platform/chassis.py

@@ -21,13 +21,15 @@ try:
     from sonic_platform.component import Component
     from sonic_platform.watchdog import Watchdog
     from sonic_platform.thermal import Thermal
+    from sonic_platform.sfp import Sfp
+    from sonic_platform.eeprom import Tlv
 except ImportError as e:
     raise ImportError(str(e) + "- required module not found")
 
 NUM_FAN = 3
 NUM_PSU = 2
 NUM_THERMAL = 7
-CONFIG_DB_PATH = "/etc/sonic/config_db.json"
+NUM_SFP = 52
 RESET_REGISTER = "0x112"
 REBOOT_CAUSE_PATH = "/host/reboot-cause/previous-reboot-cause.txt"
 COMPONENT_NAME_LIST = ["SMC_CPLD", "MMC_CPLD", "BIOS"]
@@ -47,17 +49,13 @@ class Chassis(ChassisBase):
         for index in range(0, NUM_THERMAL):
             thermal = Thermal(index)
             self._thermal_list.append(thermal)
+        for index in range(0, NUM_SFP):
+            sfp = Sfp(index)
+            self._sfp_list.append(sfp)
         ChassisBase.__init__(self)
         self._component_name_list = COMPONENT_NAME_LIST
         self._watchdog = Watchdog()
-
-    def __read_config_db(self):
-        try:
-            with open(CONFIG_DB_PATH, 'r') as fd:
-                data = json.load(fd)
-                return data
-        except IOError:
-            raise IOError("Unable to open config_db file !")
+        self._eeprom = Tlv()
 
     def __read_txt_file(self, file_path):
         try:
@@ -74,12 +72,25 @@ class Chassis(ChassisBase):
             A string containing the MAC address in the format
             'XX:XX:XX:XX:XX:XX'
         """
-        try:
-            self.config_data = self.__read_config_db()
-            base_mac = self.config_data["DEVICE_METADATA"]["localhost"]["mac"]
-            return str(base_mac)
-        except KeyError:
-            return str(None)
+        return self._eeprom.get_mac()
+
+    def get_serial_number(self):
+        """
+        Retrieves the hardware serial number for the chassis
+        Returns:
+            A string containing the hardware serial number for this chassis.
+        """
+        return self._eeprom.get_serial()
+
+    def get_system_eeprom_info(self):
+        """
+        Retrieves the full content of system EEPROM information for the chassis
+        Returns:
+            A dictionary where keys are the type code defined in
+            OCP ONIE TlvInfo EEPROM format and values are their corresponding
+            values.
+        """
+        return self._eeprom.get_eeprom()
 
     def get_firmware_version(self, component_name):
         """

device/celestica/x86_64-cel_e1031-r0/sonic_platform/eeprom.py

@@ -0,0 +1,114 @@
+#!/usr/bin/env python
+
+#############################################################################
+# Celestica Haliburton
+#
+# Platform and model specific eeprom subclass, inherits from the base class,
+# and provides the followings:
+# - the eeprom format definition
+# - specific encoder/decoder if there is special need
+#############################################################################
+
+try:
+    import glob
+    import os
+    import sys
+    import imp
+    import re
+    from array import array
+    from cStringIO import StringIO
+    from sonic_platform_base.sonic_eeprom import eeprom_dts
+    from sonic_platform_base.sonic_eeprom import eeprom_tlvinfo
+except ImportError, e:
+    raise ImportError(str(e) + "- required module not found")
+
+CACHE_ROOT = '/var/cache/sonic/decode-syseeprom'
+CACHE_FILE = 'syseeprom_cache'
+
+
+class Tlv(eeprom_tlvinfo.TlvInfoDecoder):
+
+    EEPROM_DECODE_HEADLINES = 6
+
+    def __init__(self):
+        self._eeprom_path = "/sys/class/i2c-adapter/i2c-2/2-0050/eeprom"
+        super(Tlv, self).__init__(self._eeprom_path, 0, '', True)
+        self._eeprom = self._load_eeprom()
+
+    def __parse_output(self, decode_output):
+        decode_output.replace('\0', '')
+        lines = decode_output.split('\n')
+        lines = lines[self.EEPROM_DECODE_HEADLINES:]
+        _eeprom_info_dict = dict()
+
+        for line in lines:
+            try:
+                match = re.search(
+                    '(0x[0-9a-fA-F]{2})([\s]+[\S]+[\s]+)([\S]+)', line)
+                if match is not None:
+                    idx = match.group(1)
+                    value = match.group(3).rstrip('\0')
+
+                _eeprom_info_dict[idx] = value
+            except:
+                pass
+        return _eeprom_info_dict
+
+    def _load_eeprom(self):
+        original_stdout = sys.stdout
+        sys.stdout = StringIO()
+        err = self.read_eeprom_db()
+        if err:
+            # Failed to read EEPROM information from database. Read from cache file
+            pass
+        else:
+            decode_output = sys.stdout.getvalue()
+            sys.stdout = original_stdout
+            return self.__parse_output(decode_output)
+
+        status = self.check_status()
+        if status <> 'ok':
+            return False
+
+        if not os.path.exists(CACHE_ROOT):
+            try:
+                os.makedirs(CACHE_ROOT)
+            except:
+                pass
+
+        #
+        # only the eeprom classes that inherit from eeprom_base
+        # support caching. Others will work normally
+        #
+        try:
+            self.set_cache_name(os.path.join(CACHE_ROOT, CACHE_FILE))
+        except:
+            pass
+
+        e = self.read_eeprom()
+        if e is None:
+            return 0
+
+        try:
+            self.update_cache(e)
+        except:
+            pass
+
+        self.decode_eeprom(e)
+        decode_output = sys.stdout.getvalue()
+        sys.stdout = original_stdout
+
+        (is_valid, valid_crc) = self.is_checksum_valid(e)
+        if not is_valid:
+            return False
+
+        return self.__parse_output(decode_output)
+
+    def get_eeprom(self):
+        return self._eeprom
+
+    def get_serial(self):
+        return self._eeprom.get('0x23', "Undefined.")
+
+    def get_mac(self):
+        return self._eeprom.get('0x24', "Undefined.")

device/celestica/x86_64-cel_e1031-r0/sonic_platform/sfp.py

@@ -0,0 +1,564 @@
+#!/usr/bin/env python
+
+#############################################################################
+# Celestica
+#
+# Sfp contains an implementation of SONiC Platform Base API and
+# provides the sfp device status which are available in the platform
+#
+#############################################################################
+
+import os
+import time
+import subprocess
+import sonic_device_util
+from ctypes import create_string_buffer
+
+try:
+    from swsssdk import ConfigDBConnector
+    from sonic_platform_base.sfp_base import SfpBase
+    from sonic_platform_base.sonic_sfp.sfputilbase import SfpUtilBase
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+
+class Sfp(SfpBase, SfpUtilBase):
+    """Platform-specific Sfp class"""
+
+    PORT_START = 1
+    PORT_END = 52
+    port_to_i2c_mapping = {
+        49: 15,
+        50: 14,
+        51: 17,
+        52: 16
+    }
+    PRS_PATH = "/sys/devices/platform/e1031.smc/SFP/sfp_modabs"
+    PLATFORM_ROOT_PATH = '/usr/share/sonic/device'
+    SFP_STATUS_CONTROL_OFFSET = 110
+    SFP_STATUS_CONTROL_WIDTH = 1
+
+    _port_to_eeprom_mapping = {}
+    _sfp_port = range(49, PORT_END + 1)
+
+    SFP_EEPROM_TYPE_KEY = "TypeOfTransceiver"
+    SFP_EEPROM_HW_REV_KEY = "VendorRev"
+    SFP_EEPROM_MF_NAME_KEY = "VendorName"
+    SFP_EEPROM_MODEL_NAME_KEY = "VendorPN"
+    SFP_EEPROM_SERIAL_KEY = "VendorSN"
+    SFP_EEPROM_CONNECTOR_KEY = "Connector"
+    SFP_EEPROM_ENCODE_KEY = "EncodingCodes"
+    SFP_EEPROM_EXT_IDENT_KEY = "ExtIdentOfTypeOfTransceiver"
+    SFP_EEPROM_CABLE_KEY = "LengthCable(UnitsOfm)"
+    SFP_EEPROM_BIT_RATE_KEY = "NominalSignallingRate(UnitsOf100Mbd)"
+    SFP_EEPROM_SPEC_COM_KEY = "Specification compliance"
+    SFP_EEPROM_DATE_KEY = "VendorDataCode(YYYY-MM-DD Lot)"
+    SFP_EEPROM_OUI_KEY = "VendorOUI"
+    SFP_EEPROM_MON_DATA_KEY = "MonitorData"
+    SFP_EEPROM_TEMP_KEY = "Temperature"
+    SFP_EEPROM_VCC_KEY = "Vcc"
+    SFP_EEPROM_RX_PWR_KEY = "RXPower"
+    SFP_EEPROM_TX_PWR_KEY = "TXPower"
+    SFP_EEPROM_TX_BS_KEY = "TXBias"
+    SFP_EEPROM_STATUS_CON_KEY = "StatusControl"
+
+    @property
+    def port_start(self):
+        return self.PORT_START
+
+    @property
+    def port_end(self):
+        return self.PORT_END
+
+    @property
+    def qsfp_ports(self):
+        return []
+
+    @property
+    def port_to_eeprom_mapping(self):
+        return self._port_to_eeprom_mapping
+
+    def _convert_string_to_num(self, value_str):
+        if "-inf" in value_str:
+            return 'N/A'
+        elif "Unknown" in value_str:
+            return 'N/A'
+        elif 'dBm' in value_str:
+            t_str = value_str.rstrip('dBm')
+            return float(t_str)
+        elif 'mA' in value_str:
+            t_str = value_str.rstrip('mA')
+            return float(t_str)
+        elif 'C' in value_str:
+            t_str = value_str.rstrip('C')
+            return float(t_str)
+        elif 'Volts' in value_str:
+            t_str = value_str.rstrip('Volts')
+            return float(t_str)
+        else:
+            return 'N/A'
+
+    def get_low_power_mode(self, port_num):
+        raise NotImplementedError
+
+    def set_low_power_mode(self, port_num, lpmode):
+        raise NotImplementedError
+
+    def get_transceiver_change_event(self, timeout=0):
+        raise NotImplementedError
+
+    def __init__(self, sfp_index):
+        # Init SfpUtilBase
+        eeprom_path = '/sys/bus/i2c/devices/i2c-{0}/{0}-0050/eeprom'
+        for x in range(self.PORT_START, self.PORT_END + 1):
+            if x not in self._sfp_port:
+                self.port_to_i2c_mapping[x] = None
+            self.port_to_eeprom_mapping[x] = eeprom_path.format(
+                self.port_to_i2c_mapping[x])
+        self.read_porttab_mappings(self.__get_path_to_port_config_file())
+        SfpUtilBase.__init__(self)
+
+        # Init index
+        self.index = sfp_index
+        self.port_num = self.index + 1
+
+    def __get_sysfsfile_eeprom(self):
+        sysfsfile_eeprom = None
+        sysfs_sfp_i2c_client_eeprom_path = self.port_to_eeprom_mapping[self.port_num]
+        try:
+            sysfsfile_eeprom = open(
+                sysfs_sfp_i2c_client_eeprom_path, mode="r+b", buffering=0)
+        except IOError:
+            print("Error: reading sysfs file %s" %
+                  sysfs_sfp_i2c_client_eeprom_path)
+        return sysfsfile_eeprom
+
+    def __get_path_to_port_config_file(self):
+        # Get platform and hwsku
+        machine_info = sonic_device_util.get_machine_info()
+        platform = sonic_device_util.get_platform_info(machine_info)
+        config_db = ConfigDBConnector()
+        config_db.connect()
+        data = config_db.get_table('DEVICE_METADATA')
+        try:
+            hwsku = data['localhost']['hwsku']
+        except KeyError:
+            hwsku = "Unknown"
+
+        # Load platform module from source
+        platform_path = "/".join([self.PLATFORM_ROOT_PATH, platform])
+        hwsku_path = "/".join([platform_path, hwsku])
+
+        # First check for the presence of the new 'port_config.ini' file
+        port_config_file_path = "/".join([hwsku_path, "port_config.ini"])
+        if not os.path.isfile(port_config_file_path):
+            # port_config.ini doesn't exist. Try loading the legacy 'portmap.ini' file
+            port_config_file_path = "/".join([hwsku_path, "portmap.ini"])
+
+        return port_config_file_path
+
+    def get_transceiver_info(self):
+        """
+        Retrieves transceiver info of this SFP
+        Returns:
+            A dict which contains following keys/values :
+        ========================================================================
+        keys                       |Value Format   |Information
+        ---------------------------|---------------|----------------------------
+        type                       |1*255VCHAR     |type of SFP
+        hardwarerev                |1*255VCHAR     |hardware version of SFP
+        serialnum                  |1*255VCHAR     |serial number of the SFP
+        manufacturename            |1*255VCHAR     |SFP vendor name
+        modelname                  |1*255VCHAR     |SFP model name
+        Connector                  |1*255VCHAR     |connector information
+        encoding                   |1*255VCHAR     |encoding information
+        ext_identifier             |1*255VCHAR     |extend identifier
+        ext_rateselect_compliance  |1*255VCHAR     |extended rateSelect compliance
+        cable_length               |INT            |cable length in m
+        nominal_bit_rate           |INT            |nominal bit rate by 100Mbs
+        specification_compliance   |1*255VCHAR     |specification compliance
+        vendor_date                |1*255VCHAR     |vendor date
+        vendor_oui                 |1*255VCHAR     |vendor OUI
+        ========================================================================
+        """
+        transceiver_info_dict = dict()
+        # get eeprom data
+        self.eeprom_dict = self.get_eeprom_dict(self.port_num)
+        if self.eeprom_dict and self.eeprom_dict.get('interface'):
+            transceiver_info_data = self.eeprom_dict['interface'].get('data')
+
+            # set specification_compliance
+            spec_com = transceiver_info_data.get(
+                self.SFP_EEPROM_SPEC_COM_KEY, {})
+            spec_com_str = "/".join(list(spec_com.values()))
+
+            # set normal transceiver info
+            transceiver_info_dict['type'] = transceiver_info_data.get(
+                self.SFP_EEPROM_TYPE_KEY, 'N/A')
+            transceiver_info_dict['hardwarerev'] = transceiver_info_data.get(
+                self.SFP_EEPROM_HW_REV_KEY, 'N/A')
+            transceiver_info_dict['manufacturename'] = transceiver_info_data.get(
+                self.SFP_EEPROM_MF_NAME_KEY, 'N/A')
+            transceiver_info_dict['modelname'] = transceiver_info_data.get(
+                self.SFP_EEPROM_MODEL_NAME_KEY, 'N/A')
+            transceiver_info_dict['serialnum'] = transceiver_info_data.get(
+                self.SFP_EEPROM_SERIAL_KEY, 'N/A')
+            transceiver_info_dict['Connector'] = transceiver_info_data.get(
+                self.SFP_EEPROM_CONNECTOR_KEY, 'N/A')
+            transceiver_info_dict['encoding'] = transceiver_info_data.get(
+                self.SFP_EEPROM_ENCODE_KEY, 'N/A')
+            transceiver_info_dict['ext_identifier'] = transceiver_info_data.get(
+                self.SFP_EEPROM_EXT_IDENT_KEY, 'N/A')
+            transceiver_info_dict['cable_length'] = transceiver_info_data.get(
+                self.SFP_EEPROM_CABLE_KEY, 'N/A')
+            transceiver_info_dict['nominal_bit_rate'] = transceiver_info_data.get(
+                self.SFP_EEPROM_BIT_RATE_KEY, 'N/A')
+            transceiver_info_dict['vendor_date'] = transceiver_info_data.get(
+                self.SFP_EEPROM_DATE_KEY, 'N/A')
+            transceiver_info_dict['vendor_oui'] = transceiver_info_data.get(
+                self.SFP_EEPROM_OUI_KEY, 'N/A')
+            transceiver_info_dict['ext_rateselect_compliance'] = "N/A"
+            transceiver_info_dict['specification_compliance'] = spec_com_str or "N/A"
+
+        return transceiver_info_dict
+
+    def get_transceiver_bulk_status(self):
+        """
+        Retrieves transceiver bulk status of this SFP
+        Returns:
+            A dict which contains following keys/values :
+        ========================================================================
+        keys                       |Value Format   |Information
+        ---------------------------|---------------|----------------------------
+        RX LOS                     |BOOLEAN        |RX lost-of-signal status,
+                                   |               |True if has RX los, False if not.
+        TX FAULT                   |BOOLEAN        |TX fault status,
+                                   |               |True if has TX fault, False if not.
+        Reset status               |BOOLEAN        |reset status,
+                                   |               |True if SFP in reset, False if not.
+        LP mode                    |BOOLEAN        |low power mode status,
+                                   |               |True in lp mode, False if not.
+        TX disable                 |BOOLEAN        |TX disable status,
+                                   |               |True TX disabled, False if not.
+        TX disabled channel        |HEX            |disabled TX channles in hex,
+                                   |               |bits 0 to 3 represent channel 0
+                                   |               |to channel 3.
+        Temperature                |INT            |module temperature in Celsius
+        Voltage                    |INT            |supply voltage in mV
+        TX bias                    |INT            |TX Bias Current in mA
+        RX power                   |INT            |received optical power in mW
+        TX power                   |INT            |TX output power in mW
+        ========================================================================
+        """
+        transceiver_bulk_status_dict = dict()
+        # get eeprom data
+        self.eeprom_dict = self.get_eeprom_dict(self.port_num)
+        if self.eeprom_dict and self.eeprom_dict.get('dom'):
+            transceiver_dom_data = self.eeprom_dict['dom'].get('data', {})
+            transceiver_dom_data_mmv = transceiver_dom_data.get(
+                self.SFP_EEPROM_MON_DATA_KEY)
+
+            # set normal transceiver bulk status
+            transceiver_bulk_status_dict['temperature'] = transceiver_dom_data_mmv.get(
+                self.SFP_EEPROM_TEMP_KEY, 'N/A')
+            transceiver_bulk_status_dict['voltage'] = transceiver_dom_data_mmv.get(
+                self.SFP_EEPROM_VCC_KEY, 'N/A')
+            transceiver_bulk_status_dict['rx1power'] = transceiver_dom_data_mmv.get(
+                self.SFP_EEPROM_RX_PWR_KEY, 'N/A')
+            transceiver_bulk_status_dict['rx2power'] = "N/A"
+            transceiver_bulk_status_dict['rx3power'] = "N/A"
+            transceiver_bulk_status_dict['rx4power'] = "N/A"
+            transceiver_bulk_status_dict['tx1bias'] = transceiver_dom_data_mmv.get(
+                self.SFP_EEPROM_TX_BS_KEY, 'N/A')
+            transceiver_bulk_status_dict['tx2bias'] = "N/A"
+            transceiver_bulk_status_dict['tx3bias'] = "N/A"
+            transceiver_bulk_status_dict['tx4bias'] = "N/A"
+            transceiver_bulk_status_dict['tx1power'] = transceiver_dom_data_mmv.get(
+                self.SFP_EEPROM_TX_PWR_KEY, 'N/A')
+            transceiver_bulk_status_dict['tx2power'] = "N/A"
+            transceiver_bulk_status_dict['tx3power'] = "N/A"
+            transceiver_bulk_status_dict['tx4power'] = "N/A"
+
+        for key in transceiver_bulk_status_dict:
+            transceiver_bulk_status_dict[key] = self._convert_string_to_num(
+                transceiver_bulk_status_dict[key])
+
+        return transceiver_bulk_status_dict
+
+    def get_reset_status(self):
+        """
+        Retrieves the reset status of SFP
+        Returns:
+            A Boolean, True if reset enabled, False if disabled
+        """
+        # SFP doesn't support this feature
+        return NotImplementedError
+
+    def get_rx_los(self):
+        """
+        Retrieves the RX LOS (lost-of-signal) status of SFP
+        Returns:
+            A Boolean, True if SFP has RX LOS, False if not.
+            Note : RX LOS status is latched until a call to get_rx_los or a reset.
+        """
+        rx_los = False
+        rx_los_key = "RXLOSState"
+        self.eeprom_dict = self.get_eeprom_dict(self.port_num)
+        if self.eeprom_dict and self.eeprom_dict.get('dom'):
+            transceiver_dom_data = self.eeprom_dict['dom'].get('data', {})
+            transceiver_dom_data_sc = transceiver_dom_data.get(
+                self.SFP_EEPROM_STATUS_CON_KEY)
+            state = transceiver_dom_data_sc.get(rx_los_key)
+            rx_los = True if 'off' not in state.lower() else False
+        return rx_los
+
+    def get_tx_fault(self):
+        """
+        Retrieves the TX fault status of SFP
+        Returns:
+            A Boolean, True if SFP has TX fault, False if not
+            Note : TX fault status is lached until a call to get_tx_fault or a reset.
+        """
+        tx_fault = False
+        tx_fault_key = "TXFaultState"
+        self.eeprom_dict = self.get_eeprom_dict(self.port_num)
+        if self.eeprom_dict and self.eeprom_dict.get('dom'):
+            transceiver_dom_data = self.eeprom_dict['dom'].get('data', {})
+            transceiver_dom_data_sc = transceiver_dom_data.get(
+                self.SFP_EEPROM_STATUS_CON_KEY)
+            state = transceiver_dom_data_sc.get(tx_fault_key)
+            tx_fault = True if 'off' not in state.lower() else False
+        return tx_fault
+
+    def get_tx_disable(self):
+        """
+        Retrieves the tx_disable status of this SFP
+        Returns:
+            A Boolean, True if tx_disable is enabled, False if disabled
+        """
+        tx_disable = False
+        tx_disable_key = "TXDisableState"
+        self.eeprom_dict = self.get_eeprom_dict(self.port_num)
+        if self.eeprom_dict and self.eeprom_dict.get('dom'):
+            transceiver_dom_data = self.eeprom_dict['dom'].get('data', {})
+            transceiver_dom_data_sc = transceiver_dom_data.get(
+                self.SFP_EEPROM_STATUS_CON_KEY)
+            state = transceiver_dom_data_sc.get(tx_disable_key)
+            tx_disable = True if 'off' not in state.lower() else False
+        return tx_disable
+
+    def get_tx_disable_channel(self):
+        """
+        Retrieves the TX disabled channels in this SFP
+        Returns:
+            A hex of 4 bits (bit 0 to bit 3 as channel 0 to channel 3) to represent
+            TX channels which have been disabled in this SFP.
+            As an example, a returned value of 0x5 indicates that channel 0
+            and channel 2 have been disabled.
+        """
+        # SFP doesn't support this feature
+        return NotImplementedError
+
+    def get_lpmode(self):
+        """
+        Retrieves the lpmode (low power mode) status of this SFP
+        Returns:
+            A Boolean, True if lpmode is enabled, False if disabled
+        """
+        # SFP doesn't support this feature
+        return self.get_low_power_mode(self.port_num)
+
+    def get_power_override(self):
+        """
+        Retrieves the power-override status of this SFP
+        Returns:
+            A Boolean, True if power-override is enabled, False if disabled
+        """
+        # SFP doesn't support this feature
+        return NotImplementedError
+
+    def get_temperature(self):
+        """
+        Retrieves the temperature of this SFP
+        Returns:
+            An integer number of current temperature in Celsius
+        """
+        transceiver_dom_info_dict = self.get_transceiver_bulk_status()
+        return transceiver_dom_info_dict.get("temperature", "N/A")
+
+    def get_voltage(self):
+        """
+        Retrieves the supply voltage of this SFP
+        Returns:
+            An integer number of supply voltage in mV
+        """
+        transceiver_dom_info_dict = self.get_transceiver_bulk_status()
+        return transceiver_dom_info_dict.get("voltage", "N/A")
+
+    def get_tx_bias(self):
+        """
+        Retrieves the TX bias current of this SFP
+        Returns:
+            A list of four integer numbers, representing TX bias in mA
+            for channel 0 to channel 4.
+            Ex. ['110.09', '111.12', '108.21', '112.09']
+        """
+        transceiver_dom_info_dict = self.get_transceiver_bulk_status()
+        tx1_bs = transceiver_dom_info_dict.get("tx1bias", "N/A")
+        return [tx1_bs, "N/A", "N/A", "N/A"]
+
+    def get_rx_power(self):
+        """
+        Retrieves the received optical power for this SFP
+        Returns:
+            A list of four integer numbers, representing received optical
+            power in mW for channel 0 to channel 4.
+            Ex. ['1.77', '1.71', '1.68', '1.70']
+        """
+        transceiver_dom_info_dict = self.get_transceiver_bulk_status()
+        rx1_pw = transceiver_dom_info_dict.get("rx1power", "N/A")
+        return [rx1_pw, "N/A", "N/A", "N/A"]
+
+    def get_tx_power(self):
+        """
+        Retrieves the TX power of this SFP
+        Returns:
+            A list of four integer numbers, representing TX power in mW
+            for channel 0 to channel 4.
+            Ex. ['1.86', '1.86', '1.86', '1.86']
+        """
+        transceiver_dom_info_dict = self.get_transceiver_bulk_status()
+        tx1_pw = transceiver_dom_info_dict.get("tx1power", "N/A")
+        return [tx1_pw, "N/A", "N/A", "N/A"]
+
+    def reset(self):
+        """
+        Reset SFP and return all user module settings to their default srate.
+        Returns:
+            A boolean, True if successful, False if not
+        """
+        # SFP doesn't support this feature
+        return NotImplementedError
+
+    def tx_disable(self, tx_disable):
+        """
+        Disable SFP TX for all channels
+        Args:
+            tx_disable : A Boolean, True to enable tx_disable mode, False to disable
+                         tx_disable mode.
+        Returns:
+            A boolean, True if tx_disable is set successfully, False if not
+        """
+
+        sysfsfile_eeprom = self.__get_sysfsfile_eeprom()
+        status_control_raw = self._read_eeprom_specific_bytes(
+            sysfsfile_eeprom, self.SFP_STATUS_CONTROL_OFFSET, self.SFP_STATUS_CONTROL_WIDTH)
+        if status_control_raw is not None:
+            tx_disable_bit = 0x80 if tx_disable else 0x7f
+            status_control = int(status_control_raw[0], 16)
+            tx_disable_ctl = (status_control | tx_disable_bit) if tx_disable else (
+                status_control & tx_disable_bit)
+            try:
+                buffer = create_string_buffer(1)
+                buffer[0] = chr(tx_disable_ctl)
+                # Write to eeprom
+                sysfsfile_eeprom.seek(self.SFP_STATUS_CONTROL_OFFSET)
+                sysfsfile_eeprom.write(buffer[0])
+            except IOError as e:
+                print "Error: unable to open file: %s" % str(e)
+                return False
+            finally:
+                if sysfsfile_eeprom is not None:
+                    sysfsfile_eeprom.close()
+                    time.sleep(0.01)
+            return True
+        return False
+
+    def tx_disable_channel(self, channel, disable):
+        """
+        Sets the tx_disable for specified SFP channels
+        Args:
+            channel : A hex of 4 bits (bit 0 to bit 3) which represent channel 0 to 3,
+                      e.g. 0x5 for channel 0 and channel 2.
+            disable : A boolean, True to disable TX channels specified in channel,
+                      False to enable
+        Returns:
+            A boolean, True if successful, False if not
+        """
+        # SFP doesn't support this feature
+        return NotImplementedError
+
+    def set_lpmode(self, lpmode):
+        """
+        Sets the lpmode (low power mode) of SFP
+        Args:
+            lpmode: A Boolean, True to enable lpmode, False to disable it
+            Note  : lpmode can be overridden by set_power_override
+        Returns:
+            A boolean, True if lpmode is set successfully, False if not
+        """
+        return self.set_low_power_mode(self.port_num, lpmode)
+
+    def set_power_override(self, power_override, power_set):
+        """
+        Sets SFP power level using power_override and power_set
+        Args:
+            power_override :
+                    A Boolean, True to override set_lpmode and use power_set
+                    to control SFP power, False to disable SFP power control
+                    through power_override/power_set and use set_lpmode
+                    to control SFP power.
+            power_set :
+                    Only valid when power_override is True.
+                    A Boolean, True to set SFP to low power mode, False to set
+                    SFP to high power mode.
+        Returns:
+            A boolean, True if power-override and power_set are set successfully,
+            False if not
+        """
+        return NotImplementedError
+
+    def get_name(self):
+        """
+        Retrieves the name of the device
+            Returns:
+            string: The name of the device
+        """
+        return self.logical[self.index]
+
+    def get_presence(self):
+        """
+        Retrieves the presence of the PSU
+        Returns:
+            bool: True if PSU is present, False if not
+        """
+        if self.port_num not in self._sfp_port:
+            return False
+
+        status = 1
+        try:
+            with open(self.PRS_PATH, 'r') as port_status:
+                status = int(port_status.read(), 16)
+                status = (status >> (self.port_num - 49)) & 1
+        except IOError:
+            return False
+
+        return status == 0
+
+    def get_model(self):
+        """
+        Retrieves the model number (or part number) of the device
+        Returns:
+            string: Model/part number of device
+        """
+        transceiver_dom_info_dict = self.get_transceiver_bulk_status()
+        return transceiver_dom_info_dict.get("modelname", "N/A")
+
+    def get_serial(self):
+        """
+        Retrieves the serial number of the device
+        Returns:
+            string: Serial number of device
+        """
+        transceiver_dom_info_dict = self.get_transceiver_bulk_status()
+        return transceiver_dom_info_dict.get("serialnum", "N/A")

device/celestica/x86_64-cel_seastone-r0/sonic_platform/chassis.py

@@ -21,13 +21,15 @@ try:
     from sonic_platform.component import Component
     from sonic_platform.watchdog import Watchdog
     from sonic_platform.thermal import Thermal
+    from sonic_platform.sfp import Sfp
+    from sonic_platform.eeprom import Tlv
 except ImportError as e:
     raise ImportError(str(e) + "- required module not found")
 
-CONFIG_DB_PATH = "/etc/sonic/config_db.json"
 NUM_FAN = 5
 NUM_PSU = 2
 NUM_THERMAL = 5
+NUM_SFP = 32
 RESET_REGISTER = "0x103"
 REBOOT_CAUSE_PATH = "/host/reboot-cause/previous-reboot-cause.txt"
 COMPONENT_NAME_LIST = ["CPLD1", "CPLD2", "CPLD3", "CPLD4", "BIOS"]
@@ -47,17 +49,13 @@ class Chassis(ChassisBase):
         for index in range(0, NUM_THERMAL):
             thermal = Thermal(index)
             self._thermal_list.append(thermal)
+        for index in range(0, NUM_SFP):
+            sfp = Sfp(index)
+            self._sfp_list.append(sfp)
         ChassisBase.__init__(self)
         self._component_name_list = COMPONENT_NAME_LIST
         self._watchdog = Watchdog()
-
-    def __read_config_db(self):
-        try:
-            with open(CONFIG_DB_PATH, 'r') as fd:
-                data = json.load(fd)
-                return data
-        except IOError:
-            raise IOError("Unable to open config_db file !")
+        self._eeprom = Tlv()
 
     def __read_txt_file(self, file_path):
         try:
@@ -74,12 +72,25 @@ class Chassis(ChassisBase):
             A string containing the MAC address in the format
             'XX:XX:XX:XX:XX:XX'
         """
-        try:
-            self.config_data = self.__read_config_db()
-            base_mac = self.config_data["DEVICE_METADATA"]["localhost"]["mac"]
-            return str(base_mac)
-        except KeyError:
-            return str(None)
+        return self._eeprom.get_mac()
+
+    def get_serial_number(self):
+        """
+        Retrieves the hardware serial number for the chassis
+        Returns:
+            A string containing the hardware serial number for this chassis.
+        """
+        return self._eeprom.get_serial()
+
+    def get_system_eeprom_info(self):
+        """
+        Retrieves the full content of system EEPROM information for the chassis
+        Returns:
+            A dictionary where keys are the type code defined in
+            OCP ONIE TlvInfo EEPROM format and values are their corresponding
+            values.
+        """
+        return self._eeprom.get_eeprom()
 
     def get_firmware_version(self, component_name):
         """

device/celestica/x86_64-cel_seastone-r0/sonic_platform/eeprom.py

@@ -0,0 +1,114 @@
+#!/usr/bin/env python
+
+#############################################################################
+# Celestica Seastone-DX010
+#
+# Platform and model specific eeprom subclass, inherits from the base class,
+# and provides the followings:
+# - the eeprom format definition
+# - specific encoder/decoder if there is special need
+#############################################################################
+
+try:
+    import glob
+    import os
+    import sys
+    import imp
+    import re
+    from array import array
+    from cStringIO import StringIO
+    from sonic_platform_base.sonic_eeprom import eeprom_dts
+    from sonic_platform_base.sonic_eeprom import eeprom_tlvinfo
+except ImportError, e:
+    raise ImportError(str(e) + "- required module not found")
+
+CACHE_ROOT = '/var/cache/sonic/decode-syseeprom'
+CACHE_FILE = 'syseeprom_cache'
+
+
+class Tlv(eeprom_tlvinfo.TlvInfoDecoder):
+
+    EEPROM_DECODE_HEADLINES = 6
+
+    def __init__(self):
+        self._eeprom_path = "/sys/class/i2c-adapter/i2c-12/12-0050/eeprom"
+        super(Tlv, self).__init__(self._eeprom_path, 0, '', True)
+        self._eeprom = self._load_eeprom()
+
+    def __parse_output(self, decode_output):
+        decode_output.replace('\0', '')
+        lines = decode_output.split('\n')
+        lines = lines[self.EEPROM_DECODE_HEADLINES:]
+        _eeprom_info_dict = dict()
+
+        for line in lines:
+            try:
+                match = re.search(
+                    '(0x[0-9a-fA-F]{2})([\s]+[\S]+[\s]+)([\S]+)', line)
+                if match is not None:
+                    idx = match.group(1)
+                    value = match.group(3).rstrip('\0')
+
+                _eeprom_info_dict[idx] = value
+            except:
+                pass
+        return _eeprom_info_dict
+
+    def _load_eeprom(self):
+        original_stdout = sys.stdout
+        sys.stdout = StringIO()
+        err = self.read_eeprom_db()
+        if err:
+            # Failed to read EEPROM information from database. Read from cache file
+            pass
+        else:
+            decode_output = sys.stdout.getvalue()
+            sys.stdout = original_stdout
+            return self.__parse_output(decode_output)
+
+        status = self.check_status()
+        if status <> 'ok':
+            return False
+
+        if not os.path.exists(CACHE_ROOT):
+            try:
+                os.makedirs(CACHE_ROOT)
+            except:
+                pass
+
+        #
+        # only the eeprom classes that inherit from eeprom_base
+        # support caching. Others will work normally
+        #
+        try:
+            self.set_cache_name(os.path.join(CACHE_ROOT, CACHE_FILE))
+        except:
+            pass
+
+        e = self.read_eeprom()
+        if e is None:
+            return 0
+
+        try:
+            self.update_cache(e)
+        except:
+            pass
+
+        self.decode_eeprom(e)
+        decode_output = sys.stdout.getvalue()
+        sys.stdout = original_stdout
+
+        (is_valid, valid_crc) = self.is_checksum_valid(e)
+        if not is_valid:
+            return False
+
+        return self.__parse_output(decode_output)
+
+    def get_eeprom(self):
+        return self._eeprom
+
+    def get_serial(self):
+        return self._eeprom.get('0x23', "Undefined.")
+
+    def get_mac(self):
+        return self._eeprom.get('0x24', "Undefined.")

device/celestica/x86_64-cel_seastone-r0/sonic_platform/sfp.py

@@ -0,0 +1,767 @@
+#!/usr/bin/env python
+
+#############################################################################
+# Celestica
+#
+# Sfp contains an implementation of SONiC Platform Base API and
+# provides the sfp device status which are available in the platform
+#
+#############################################################################
+
+import os
+import time
+import subprocess
+import sonic_device_util
+from ctypes import create_string_buffer
+
+try:
+    from swsssdk import ConfigDBConnector
+    from sonic_platform_base.sfp_base import SfpBase
+    from sonic_platform_base.sonic_sfp.sfputilbase import SfpUtilBase
+    from sonic_platform_base.sonic_sfp.sfputilbase import sff8436Dom
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+
+class Sfp(SfpBase, SfpUtilBase):
+    """Platform-specific Sfp class"""
+
+    # Port number
+    PORT_START = 1
+    PORT_END = 32
+    PORTS_IN_BLOCK = 32
+
+    # Offset for values in QSFP info eeprom
+    QSFP_CONTROL_OFFSET = 86
+    QSFP_CONTROL_WIDTH = 8
+    QSFP_CHANNL_RX_LOS_STATUS_OFFSET = 3
+    QSFP_CHANNL_RX_LOS_STATUS_WIDTH = 1
+    QSFP_CHANNL_TX_FAULT_STATUS_OFFSET = 4
+    QSFP_CHANNL_TX_FAULT_STATUS_WIDTH = 1
+    QSFP_POWEROVERRIDE_OFFSET = 93
+    QSFP_POWEROVERRIDE_WIDTH = 1
+
+    # Key for values in QSFP eeprom dict
+    QSFP_EEPROM_TYPE_KEY = "Identifier"
+    QSFP_EEPROM_HW_REV_KEY = "Vendor Rev"
+    QSFP_EEPROM_MF_NAME_KEY = "Vendor Name"
+    QSFP_EEPROM_MODEL_NAME_KEY = "Vendor PN"
+    QSFP_EEPROM_SERIAL_KEY = "Vendor SN"
+    QSFP_EEPROM_CONNECTOR_KEY = "Connector"
+    QSFP_EEPROM_ENCODE_KEY = "Encoding"
+    QSFP_EEPROM_EXT_IDENT_KEY = "Extended Identifier"
+    QSFP_EEPROM_EXT_RATE_KEY = "Extended RateSelect Compliance"
+    QSFP_EEPROM_CABLE_KEY = "Length(km)"
+    QSFP_EEPROM_BIT_RATE_KEY = "Nominal Bit Rate(100Mbs)"
+    QSFP_EEPROM_SPEC_COM_KEY = "Specification compliance"
+    QSFP_EEPROM_DATE_KEY = "Vendor Date Code(YYYY-MM-DD Lot)"
+    QSFP_EEPROM_OUI_KEY = "Vendor OUI"
+
+    # Path to QSFP sysfs
+    RESET_PATH = "/sys/devices/platform/dx010_cpld/qsfp_reset"
+    LP_PATH = "/sys/devices/platform/dx010_cpld/qsfp_lpmode"
+    PRS_PATH = "/sys/devices/platform/dx010_cpld/qsfp_modprs"
+    PLATFORM_ROOT_PATH = '/usr/share/sonic/device'
+
+    _port_to_eeprom_mapping = {}
+
+    @property
+    def port_start(self):
+        return self.PORT_START
+
+    @property
+    def port_end(self):
+        return self.PORT_END
+
+    @property
+    def qsfp_ports(self):
+        return range(self.PORT_START, self.PORTS_IN_BLOCK + 1)
+
+    @property
+    def port_to_eeprom_mapping(self):
+        return self._port_to_eeprom_mapping
+
+    def _convert_string_to_num(self, value_str):
+        if "-inf" in value_str:
+            return 'N/A'
+        elif "Unknown" in value_str:
+            return 'N/A'
+        elif 'dBm' in value_str:
+            t_str = value_str.rstrip('dBm')
+            return float(t_str)
+        elif 'mA' in value_str:
+            t_str = value_str.rstrip('mA')
+            return float(t_str)
+        elif 'C' in value_str:
+            t_str = value_str.rstrip('C')
+            return float(t_str)
+        elif 'Volts' in value_str:
+            t_str = value_str.rstrip('Volts')
+            return float(t_str)
+        else:
+            return 'N/A'
+
+    def get_low_power_mode(self, port_num):
+        # Check for invalid port_num
+        if port_num < self.port_start or port_num > self.port_end:
+            return False
+
+        try:
+            reg_file = open(self.LP_PATH, "r")
+            content = reg_file.readline().rstrip()
+        except IOError as e:
+            print("Error: unable to open file: %s" % str(e))
+            return False
+
+        # content is a string containing the hex representation of the register
+        reg_value = int(content, 16)
+
+        # Determind if port_num start from 1 or 0
+        bit_index = port_num - 1 if self.port_start == 1 else port_num
+
+        # Mask off the bit corresponding to our port
+        mask = (1 << bit_index)
+
+        # LPMode is active high
+        if reg_value & mask == 0:
+            return False
+
+        return True
+
+    def set_low_power_mode(self, port_num, lpmode):
+        try:
+            reg_file = open(self.LP_PATH, "r+")
+        except IOError as e:
+            print("Error: unable to open file: %s" % str(e))
+            return False
+
+        content = reg_file.readline().rstrip()
+
+        # content is a string containing the hex representation of the register
+        reg_value = int(content, 16)
+
+        # Determind if port_num start from 1 or 0
+        bit_index = port_num - 1 if self.port_start == 1 else port_num
+
+        # Mask off the bit corresponding to our port
+        mask = (1 << bit_index)
+        # LPMode is active high; set or clear the bit accordingly
+        reg_value = reg_value | mask if lpmode else reg_value & ~mask
+
+        # Convert our register value back to a hex string and write back
+        content = hex(reg_value).strip('L')
+
+        reg_file.seek(0)
+        reg_file.write(content)
+        reg_file.close()
+
+        return True
+
+    def get_transceiver_change_event(self, timeout=0):
+        raise NotImplementedError
+
+    def __init__(self, sfp_index):
+        # Init SfpUtilBase
+        eeprom_path = '/sys/bus/i2c/devices/i2c-{0}/{0}-0050/eeprom'
+
+        for x in range(self.PORT_START, self.PORT_END + 1):
+            if self.port_start == 1:
+                self._port_to_eeprom_mapping[x] = eeprom_path.format(
+                    (x - 1) + 26)
+            else:
+                self._port_to_eeprom_mapping[x] = eeprom_path.format(x + 26)
+        self.read_porttab_mappings(self.__get_path_to_port_config_file())
+        SfpUtilBase.__init__(self)
+
+        # Init index
+        self.index = sfp_index
+        self.port_num = self.index + 1
+
+    def __get_path_to_port_config_file(self):
+        # Get platform and hwsku
+        machine_info = sonic_device_util.get_machine_info()
+        platform = sonic_device_util.get_platform_info(machine_info)
+        config_db = ConfigDBConnector()
+        config_db.connect()
+        data = config_db.get_table('DEVICE_METADATA')
+
+        try:
+            hwsku = data['localhost']['hwsku']
+        except KeyError:
+            hwsku = "Unknown"
+
+        # Load platform module from source
+        platform_path = "/".join([self.PLATFORM_ROOT_PATH, platform])
+        hwsku_path = "/".join([platform_path, hwsku])
+
+        # First check for the presence of the new 'port_config.ini' file
+        port_config_file_path = "/".join([hwsku_path, "port_config.ini"])
+        if not os.path.isfile(port_config_file_path):
+            # port_config.ini doesn't exist. Try loading the legacy 'portmap.ini' file
+            port_config_file_path = "/".join([hwsku_path, "portmap.ini"])
+
+        return port_config_file_path
+
+    def __read_eeprom_specific_bytes(self, offset, num_bytes):
+        sysfsfile_eeprom = None
+        eeprom_raw = None
+        sysfs_sfp_i2c_client_eeprom_path = self.port_to_eeprom_mapping[self.port_num]
+        try:
+            sysfsfile_eeprom = open(
+                sysfs_sfp_i2c_client_eeprom_path, mode="rb", buffering=0)
+        except IOError:
+            print("Error: reading sysfs file %s" %
+                  sysfs_sfp_i2c_client_eeprom_path)
+        finally:
+            if sysfsfile_eeprom:
+                eeprom_raw = self._read_eeprom_specific_bytes(
+                    sysfsfile_eeprom, offset, num_bytes)
+                sysfsfile_eeprom.close()
+        return eeprom_raw
+
+    def get_transceiver_info(self):
+        """
+        Retrieves transceiver info of this SFP
+        Returns:
+            A dict which contains following keys/values :
+        ========================================================================
+        keys                       |Value Format   |Information
+        ---------------------------|---------------|----------------------------
+        type                       |1*255VCHAR     |type of SFP
+        hardwarerev                |1*255VCHAR     |hardware version of SFP
+        serialnum                  |1*255VCHAR     |serial number of the SFP
+        manufacturename            |1*255VCHAR     |SFP vendor name
+        modelname                  |1*255VCHAR     |SFP model name
+        Connector                  |1*255VCHAR     |connector information
+        encoding                   |1*255VCHAR     |encoding information
+        ext_identifier             |1*255VCHAR     |extend identifier
+        ext_rateselect_compliance  |1*255VCHAR     |extended rateSelect compliance
+        cable_length               |INT            |cable length in m
+        nominal_bit_rate           |INT            |nominal bit rate by 100Mbs
+        specification_compliance   |1*255VCHAR     |specification compliance
+        vendor_date                |1*255VCHAR     |vendor date
+        vendor_oui                 |1*255VCHAR     |vendor OUI
+        ========================================================================
+        """
+        transceiver_info_dict = dict()
+        # get eeprom data
+        self.eeprom_dict = self.get_eeprom_dict(self.port_num)
+        if self.eeprom_dict and self.eeprom_dict.get('interface'):
+            transceiver_info_data = self.eeprom_dict['interface'].get('data')
+
+            # set specification_compliance
+            spec_com = transceiver_info_data.get(
+                self.QSFP_EEPROM_SPEC_COM_KEY, {})
+            spec_com_str = "/".join(list(spec_com.values()))
+
+            # set normal transceiver info
+            transceiver_info_dict['type'] = transceiver_info_data.get(
+                self.QSFP_EEPROM_TYPE_KEY, 'N/A')
+            transceiver_info_dict['hardwarerev'] = transceiver_info_data.get(
+                self.QSFP_EEPROM_HW_REV_KEY, 'N/A')
+            transceiver_info_dict['manufacturename'] = transceiver_info_data.get(
+                self.QSFP_EEPROM_MF_NAME_KEY, 'N/A')
+            transceiver_info_dict['modelname'] = transceiver_info_data.get(
+                self.QSFP_EEPROM_MODEL_NAME_KEY, 'N/A')
+            transceiver_info_dict['serialnum'] = transceiver_info_data.get(
+                self.QSFP_EEPROM_SERIAL_KEY, 'N/A')
+            transceiver_info_dict['Connector'] = transceiver_info_data.get(
+                self.QSFP_EEPROM_CONNECTOR_KEY, 'N/A')
+            transceiver_info_dict['encoding'] = transceiver_info_data.get(
+                self.QSFP_EEPROM_ENCODE_KEY, 'N/A')
+            transceiver_info_dict['ext_identifier'] = transceiver_info_data.get(
+                self.QSFP_EEPROM_EXT_IDENT_KEY, 'N/A')
+            transceiver_info_dict['ext_rateselect_compliance'] = transceiver_info_data.get(
+                self.QSFP_EEPROM_EXT_RATE_KEY, 'N/A')
+            transceiver_info_dict['cable_length'] = transceiver_info_data.get(
+                self.QSFP_EEPROM_CABLE_KEY, 'N/A')
+            transceiver_info_dict['vendor_date'] = transceiver_info_data.get(
+                self.QSFP_EEPROM_DATE_KEY, 'N/A')
+            transceiver_info_dict['vendor_oui'] = transceiver_info_data.get(
+                self.QSFP_EEPROM_OUI_KEY, 'N/A')
+            transceiver_info_dict['nominal_bit_rate'] = transceiver_info_data.get(
+                self.QSFP_EEPROM_BIT_RATE_KEY, 'N/A')
+            transceiver_info_dict['specification_compliance'] = spec_com_str or "N/A"
+
+        return transceiver_info_dict
+
+    def get_transceiver_bulk_status(self):
+        """
+        Retrieves transceiver bulk status of this SFP
+        Returns:
+            A dict which contains following keys/values :
+        ========================================================================
+        keys                       |Value Format   |Information
+        ---------------------------|---------------|----------------------------
+        RX LOS                     |BOOLEAN        |RX lost-of-signal status,
+                                   |               |True if has RX los, False if not.
+        TX FAULT                   |BOOLEAN        |TX fault status,
+                                   |               |True if has TX fault, False if not.
+        Reset status               |BOOLEAN        |reset status,
+                                   |               |True if SFP in reset, False if not.
+        LP mode                    |BOOLEAN        |low power mode status,
+                                   |               |True in lp mode, False if not.
+        TX disable                 |BOOLEAN        |TX disable status,
+                                   |               |True TX disabled, False if not.
+        TX disabled channel        |HEX            |disabled TX channles in hex,
+                                   |               |bits 0 to 3 represent channel 0
+                                   |               |to channel 3.
+        Temperature                |INT            |module temperature in Celsius
+        Voltage                    |INT            |supply voltage in mV
+        TX bias                    |INT            |TX Bias Current in mA
+        RX power                   |INT            |received optical power in mW
+        TX power                   |INT            |TX output power in mW
+        ========================================================================
+        """
+        transceiver_dom_info_dict = dict()
+        self.eeprom_dict = self.get_eeprom_dict(self.port_num)
+        if self.eeprom_dict and self.eeprom_dict.get('dom'):
+            transceiver_dom_data = self.eeprom_dict['dom'].get('data', {})
+            transceiver_dom_data_mmv = transceiver_dom_data.get(
+                "ModuleMonitorValues")
+            transceiver_dom_data_cmv = transceiver_dom_data.get(
+                "ChannelMonitorValues")
+            transceiver_dom_info_dict['temperature'] = transceiver_dom_data_mmv.get(
+                'Temperature', 'N/A')
+            transceiver_dom_info_dict['voltage'] = transceiver_dom_data_mmv.get(
+                'Vcc', 'N/A')
+            transceiver_dom_info_dict['rx1power'] = transceiver_dom_data_cmv.get(
+                'RX1Power', 'N/A')
+            transceiver_dom_info_dict['rx2power'] = transceiver_dom_data_cmv.get(
+                'RX2Power', 'N/A')
+            transceiver_dom_info_dict['rx3power'] = transceiver_dom_data_cmv.get(
+                'RX3Power', 'N/A')
+            transceiver_dom_info_dict['rx4power'] = transceiver_dom_data_cmv.get(
+                'RX4Power', 'N/A')
+            transceiver_dom_info_dict['tx1bias'] = transceiver_dom_data_cmv.get(
+                'TX1Bias', 'N/A')
+            transceiver_dom_info_dict['tx2bias'] = transceiver_dom_data_cmv.get(
+                'TX2Bias', 'N/A')
+            transceiver_dom_info_dict['tx3bias'] = transceiver_dom_data_cmv.get(
+                'TX3Bias', 'N/A')
+            transceiver_dom_info_dict['tx4bias'] = transceiver_dom_data_cmv.get(
+                'TX4Bias', 'N/A')
+            transceiver_dom_info_dict['tx1power'] = transceiver_dom_data_cmv.get(
+                'TX1Power', 'N/A')
+            transceiver_dom_info_dict['tx2power'] = transceiver_dom_data_cmv.get(
+                'TX2Power', 'N/A')
+            transceiver_dom_info_dict['tx3power'] = transceiver_dom_data_cmv.get(
+                'TX3Power', 'N/A')
+            transceiver_dom_info_dict['tx4power'] = transceiver_dom_data_cmv.get(
+                'TX4Power', 'N/A')
+
+        for key in transceiver_dom_info_dict:
+            transceiver_dom_info_dict[key] = self._convert_string_to_num(
+                transceiver_dom_info_dict[key])
+
+        return transceiver_dom_info_dict
+
+    def get_reset_status(self):
+        """
+        Retrieves the reset status of SFP
+        Returns:
+            A Boolean, True if reset enabled, False if disabled
+        """
+        try:
+            reg_file = open(self.RESET_PATH, "r")
+        except IOError as e:
+            print("Error: unable to open file: %s" % str(e))
+            return False
+
+        content = reg_file.readline().rstrip()
+        reg_value = int(content, 16)
+        bin_format = bin(reg_value)[2:].zfill(32)
+        return bin_format[::-1][self.index] == '0'
+
+    def get_rx_los(self):
+        """
+        Retrieves the RX LOS (lost-of-signal) status of SFP
+        Returns:
+            A Boolean, True if SFP has RX LOS, False if not.
+            Note : RX LOS status is latched until a call to get_rx_los or a reset.
+        """
+        rx_los_list = []
+        dom_channel_monitor_raw = self.__read_eeprom_specific_bytes(
+            self.QSFP_CHANNL_RX_LOS_STATUS_OFFSET, self.QSFP_CHANNL_RX_LOS_STATUS_WIDTH)
+        if dom_channel_monitor_raw is not None:
+            rx_los_data = int(dom_channel_monitor_raw[0], 16)
+            rx_los_list.append(rx_los_data & 0x01 != 0)
+            rx_los_list.append(rx_los_data & 0x02 != 0)
+            rx_los_list.append(rx_los_data & 0x04 != 0)
+            rx_los_list.append(rx_los_data & 0x08 != 0)
+        return rx_los_list
+
+    def get_tx_fault(self):
+        """
+        Retrieves the TX fault status of SFP
+        Returns:
+            A Boolean, True if SFP has TX fault, False if not
+            Note : TX fault status is lached until a call to get_tx_fault or a reset.
+        """
+        tx_fault_list = []
+        dom_channel_monitor_raw = self.__read_eeprom_specific_bytes(
+            self.QSFP_CHANNL_TX_FAULT_STATUS_OFFSET, self.QSFP_CHANNL_TX_FAULT_STATUS_WIDTH)
+        if dom_channel_monitor_raw is not None:
+            tx_fault_data = int(dom_channel_monitor_raw[0], 16)
+            tx_fault_list.append(tx_fault_data & 0x01 != 0)
+            tx_fault_list.append(tx_fault_data & 0x02 != 0)
+            tx_fault_list.append(tx_fault_data & 0x04 != 0)
+            tx_fault_list.append(tx_fault_data & 0x08 != 0)
+        return tx_fault_list
+
+    def get_tx_disable(self):
+        """
+        Retrieves the tx_disable status of this SFP
+        Returns:
+            A Boolean, True if tx_disable is enabled, False if disabled
+        """
+        tx_disable_list = []
+
+        sfpd_obj = sff8436Dom()
+        if sfpd_obj is None:
+            return False
+
+        dom_control_raw = self.__read_eeprom_specific_bytes(
+            self.QSFP_CONTROL_OFFSET, self.QSFP_CONTROL_WIDTH)
+        if dom_control_raw is not None:
+            dom_control_data = sfpd_obj.parse_control_bytes(dom_control_raw, 0)
+            tx_disable_list.append(
+                'On' == dom_control_data['data']['TX1Disable']['value'])
+            tx_disable_list.append(
+                'On' == dom_control_data['data']['TX2Disable']['value'])
+            tx_disable_list.append(
+                'On' == dom_control_data['data']['TX3Disable']['value'])
+            tx_disable_list.append(
+                'On' == dom_control_data['data']['TX4Disable']['value'])
+
+        return tx_disable_list
+
+    def get_tx_disable_channel(self):
+        """
+        Retrieves the TX disabled channels in this SFP
+        Returns:
+            A hex of 4 bits (bit 0 to bit 3 as channel 0 to channel 3) to represent
+            TX channels which have been disabled in this SFP.
+            As an example, a returned value of 0x5 indicates that channel 0
+            and channel 2 have been disabled.
+        """
+        tx_disable_list = self.get_tx_disable()
+        if tx_disable_list is None:
+            return 0
+        tx_disabled = 0
+        for i in range(len(tx_disable_list)):
+            if tx_disable_list[i]:
+                tx_disabled |= 1 << i
+        return tx_disabled
+
+    def get_lpmode(self):
+        """
+        Retrieves the lpmode (low power mode) status of this SFP
+        Returns:
+            A Boolean, True if lpmode is enabled, False if disabled
+        """
+        return self.get_low_power_mode(self.port_num)
+
+    def get_power_override(self):
+        """
+        Retrieves the power-override status of this SFP
+        Returns:
+            A Boolean, True if power-override is enabled, False if disabled
+        """
+        power_override = False
+
+        offset = 0
+        sfpd_obj = sff8436Dom()
+        if sfpd_obj is None:
+            return False
+
+        dom_control_raw = self.__read_eeprom_specific_bytes(
+            self.QSFP_CONTROL_OFFSET, self.QSFP_CONTROL_WIDTH)
+        if dom_control_raw is not None:
+            dom_control_data = sfpd_obj.parse_control_bytes(dom_control_raw, 0)
+            power_override = (
+                'On' == dom_control_data['data']['PowerOverride']['value'])
+
+        return power_override
+
+    def get_temperature(self):
+        """
+        Retrieves the temperature of this SFP
+        Returns:
+            An integer number of current temperature in Celsius
+        """
+        transceiver_dom_info_dict = self.get_transceiver_bulk_status()
+        return transceiver_dom_info_dict.get("temperature", "N/A")
+
+    def get_voltage(self):
+        """
+        Retrieves the supply voltage of this SFP
+        Returns:
+            An integer number of supply voltage in mV
+        """
+        transceiver_dom_info_dict = self.get_transceiver_bulk_status()
+        return transceiver_dom_info_dict.get("voltage", "N/A")
+
+    def get_tx_bias(self):
+        """
+        Retrieves the TX bias current of this SFP
+        Returns:
+            A list of four integer numbers, representing TX bias in mA
+            for channel 0 to channel 4.
+            Ex. ['110.09', '111.12', '108.21', '112.09']
+        """
+        transceiver_dom_info_dict = self.get_transceiver_bulk_status()
+        tx1_bs = transceiver_dom_info_dict.get("tx1bias", "N/A")
+        tx2_bs = transceiver_dom_info_dict.get("tx2bias", "N/A")
+        tx3_bs = transceiver_dom_info_dict.get("tx3bias", "N/A")
+        tx4_bs = transceiver_dom_info_dict.get("tx4bias", "N/A")
+        return [tx1_bs, tx2_bs, tx3_bs, tx4_bs]
+
+    def get_rx_power(self):
+        """
+        Retrieves the received optical power for this SFP
+        Returns:
+            A list of four integer numbers, representing received optical
+            power in mW for channel 0 to channel 4.
+            Ex. ['1.77', '1.71', '1.68', '1.70']
+        """
+        transceiver_dom_info_dict = self.get_transceiver_bulk_status()
+        rx1_pw = transceiver_dom_info_dict.get("rx1power", "N/A")
+        rx2_pw = transceiver_dom_info_dict.get("rx2power", "N/A")
+        rx3_pw = transceiver_dom_info_dict.get("rx3power", "N/A")
+        rx4_pw = transceiver_dom_info_dict.get("rx4power", "N/A")
+        return [rx1_pw, rx2_pw, rx3_pw, rx4_pw]
+
+    def get_tx_power(self):
+        """
+        Retrieves the TX power of this SFP
+        Returns:
+            A list of four integer numbers, representing TX power in mW
+            for channel 0 to channel 4.
+            Ex. ['1.86', '1.86', '1.86', '1.86']
+        """
+        transceiver_dom_info_dict = self.get_transceiver_bulk_status()
+        tx1_pw = transceiver_dom_info_dict.get("tx1power", "N/A")
+        tx2_pw = transceiver_dom_info_dict.get("tx2power", "N/A")
+        tx3_pw = transceiver_dom_info_dict.get("tx3power", "N/A")
+        tx4_pw = transceiver_dom_info_dict.get("tx4power", "N/A")
+        return [tx1_pw, tx2_pw, tx3_pw, tx4_pw]
+
+    def reset(self):
+        """
+        Reset SFP and return all user module settings to their default srate.
+        Returns:
+            A boolean, True if successful, False if not
+        """
+        # Check for invalid port_num
+
+        try:
+            reg_file = open(self.RESET_PATH, "r+")
+        except IOError as e:
+            print("Error: unable to open file: %s" % str(e))
+            return False
+
+        content = reg_file.readline().rstrip()
+
+        # File content is a string containing the hex representation of the
+        # register
+        reg_value = int(content, 16)
+
+        # Determind if port_num start from 1 or 0
+        bit_index = self.port_num - 1 if self.port_start == 1 else self.port_num
+
+        # Mask off the bit corresponding to our port
+        mask = (1 << bit_index)
+
+        # ResetL is active low
+        reg_value = reg_value & ~mask
+
+        # Convert our register value back to a hex string and write back
+        reg_file.seek(0)
+        reg_file.write(hex(reg_value).rstrip('L'))
+        reg_file.close()
+
+        # Sleep 1 second to allow it to settle
+        time.sleep(1)
+
+        # Flip the bit back high and write back to the register to take port out of reset
+        try:
+            reg_file = open(self.RESET_PATH, "w")
+        except IOError as e:
+            print("Error: unable to open file: %s" % str(e))
+            return False
+
+        reg_value = reg_value | mask
+        reg_file.seek(0)
+        reg_file.write(hex(reg_value).rstrip('L'))
+        reg_file.close()
+
+        return True
+
+    def tx_disable(self, tx_disable):
+        """
+        Disable SFP TX for all channels
+        Args:
+            tx_disable : A Boolean, True to enable tx_disable mode, False to disable
+                         tx_disable mode.
+        Returns:
+            A boolean, True if tx_disable is set successfully, False if not
+        """
+        sysfsfile_eeprom = None
+        try:
+            tx_disable_ctl = 0xf if tx_disable else 0x0
+            buffer = create_string_buffer(1)
+            buffer[0] = chr(tx_disable_ctl)
+            # Write to eeprom
+            sysfsfile_eeprom = open(
+                self.port_to_eeprom_mapping[self.port_num], "r+b")
+            sysfsfile_eeprom.seek(self.QSFP_CONTROL_OFFSET)
+            sysfsfile_eeprom.write(buffer[0])
+        except IOError as e:
+            print "Error: unable to open file: %s" % str(e)
+            return False
+        finally:
+            if sysfsfile_eeprom is not None:
+                sysfsfile_eeprom.close()
+                time.sleep(0.01)
+        return True
+
+    def tx_disable_channel(self, channel, disable):
+        """
+        Sets the tx_disable for specified SFP channels
+        Args:
+            channel : A hex of 4 bits (bit 0 to bit 3) which represent channel 0 to 3,
+                      e.g. 0x5 for channel 0 and channel 2.
+            disable : A boolean, True to disable TX channels specified in channel,
+                      False to enable
+        Returns:
+            A boolean, True if successful, False if not
+        """
+        sysfsfile_eeprom = None
+        try:
+            channel_state = self.get_tx_disable_channel()
+            tx_enable_mask = [0xe, 0xd, 0xb, 0x7]
+            tx_disable_mask = [0x1, 0x3, 0x7, 0xf]
+            tx_disable_ctl = channel_state | tx_disable_mask[
+                channel] if disable else channel_state & tx_enable_mask[channel]
+            buffer = create_string_buffer(1)
+            buffer[0] = chr(tx_disable_ctl)
+            # Write to eeprom
+            sysfsfile_eeprom = open(
+                self.port_to_eeprom_mapping[self.port_num], "r+b")
+            sysfsfile_eeprom.seek(self.QSFP_CONTROL_OFFSET)
+            sysfsfile_eeprom.write(buffer[0])
+        except IOError as e:
+            print "Error: unable to open file: %s" % str(e)
+            return False
+        finally:
+            if sysfsfile_eeprom is not None:
+                sysfsfile_eeprom.close()
+                time.sleep(0.01)
+        return True
+
+    def set_lpmode(self, lpmode):
+        """
+        Sets the lpmode (low power mode) of SFP
+        Args:
+            lpmode: A Boolean, True to enable lpmode, False to disable it
+            Note  : lpmode can be overridden by set_power_override
+        Returns:
+            A boolean, True if lpmode is set successfully, False if not
+        """
+        return self.set_low_power_mode(self.port_num, lpmode)
+
+    def set_power_override(self, power_override, power_set):
+        """
+        Sets SFP power level using power_override and power_set
+        Args:
+            power_override :
+                    A Boolean, True to override set_lpmode and use power_set
+                    to control SFP power, False to disable SFP power control
+                    through power_override/power_set and use set_lpmode
+                    to control SFP power.
+            power_set :
+                    Only valid when power_override is True.
+                    A Boolean, True to set SFP to low power mode, False to set
+                    SFP to high power mode.
+        Returns:
+            A boolean, True if power-override and power_set are set successfully,
+            False if not
+        """
+        try:
+            power_override_bit = 0
+            if power_override:
+                power_override_bit |= 1 << 0
+
+            power_set_bit = 0
+            if power_set:
+                power_set_bit |= 1 << 1
+
+            buffer = create_string_buffer(1)
+            buffer[0] = chr(power_override_bit | power_set_bit)
+            # Write to eeprom
+            sysfsfile_eeprom = open(
+                self.port_to_eeprom_mapping[self.port_num], "r+b")
+            sysfsfile_eeprom.seek(self.QSFP_POWEROVERRIDE_OFFSET)
+            sysfsfile_eeprom.write(buffer[0])
+        except IOError as e:
+            print "Error: unable to open file: %s" % str(e)
+            return False
+        finally:
+            if sysfsfile_eeprom is not None:
+                sysfsfile_eeprom.close()
+                time.sleep(0.01)
+        return True
+
+    def get_name(self):
+        """
+        Retrieves the name of the device
+            Returns:
+            string: The name of the device
+        """
+        return self.logical[self.index]
+
+    def get_presence(self):
+        """
+        Retrieves the presence of the PSU
+        Returns:
+            bool: True if PSU is present, False if not
+        """
+        try:
+            reg_file = open(self.PRS_PATH, "r")
+        except IOError as e:
+            print("Error: unable to open file: %s" % str(e))
+            return False
+
+        content = reg_file.readline().rstrip()
+        reg_value = int(content, 16)
+
+        # Determind if port_num start from 1 or 0
+        bit_index = self.port_num - 1 if self.port_start == 1 else self.port_num
+
+        # Mask off the bit corresponding to our port
+        mask = (1 << bit_index)
+
+        # ModPrsL is active low
+        if reg_value & mask == 0:
+            return True
+
+        return False
+
+    def get_model(self):
+        """
+        Retrieves the model number (or part number) of the device
+        Returns:
+            string: Model/part number of device
+        """
+        transceiver_dom_info_dict = self.get_transceiver_bulk_status()
+        return transceiver_dom_info_dict.get("modelname", "N/A")
+
+    def get_serial(self):
+        """
+        Retrieves the serial number of the device
+        Returns:
+            string: Serial number of device
+        """
+        transceiver_dom_info_dict = self.get_transceiver_bulk_status()
+        return transceiver_dom_info_dict.get("serialnum", "N/A")

platform/broadcom/sonic-platform-modules-cel/debian/platform-modules-dx010.init

@@ -137,7 +137,7 @@ start)
         # Attach 32 instances of EEPROM driver QSFP ports
         for ((n=26;n<=58;n++));
         do
-                echo sff8436 0x50 > /sys/bus/i2c/devices/i2c-$n/new_device
+                echo optoe1 0x50 > /sys/bus/i2c/devices/i2c-$n/new_device
         sleep 0.1
         done