diff --git a/platform/broadcom/sonic-platform-modules-dell/z9264f/sonic_platform/chassis.py b/platform/broadcom/sonic-platform-modules-dell/z9264f/sonic_platform/chassis.py index 3714d39147..47649d0bcc 100644 --- a/platform/broadcom/sonic-platform-modules-dell/z9264f/sonic_platform/chassis.py +++ b/platform/broadcom/sonic-platform-modules-dell/z9264f/sonic_platform/chassis.py @@ -14,10 +14,12 @@ try: from sonic_platform_base.chassis_base import ChassisBase from sonic_platform.sfp import Sfp from sonic_platform.eeprom import Eeprom - + from sonic_platform.psu import Psu except ImportError as e: raise ImportError(str(e) + "- required module not found") +MAX_Z9264F_PSU = 2 + class Chassis(ChassisBase): """ @@ -52,6 +54,10 @@ class Chassis(ChassisBase): self._eeprom = Eeprom() + for i in range(MAX_Z9264F_PSU): + psu = Psu(i) + self._psu_list.append(psu) + for port_num in range(self.PORT_START, (self.PORT_END + 1)): presence = self.get_sfp(port_num).get_presence() if presence: diff --git a/platform/broadcom/sonic-platform-modules-dell/z9264f/sonic_platform/psu.py b/platform/broadcom/sonic-platform-modules-dell/z9264f/sonic_platform/psu.py new file mode 100644 index 0000000000..374ac2e1c2 --- /dev/null +++ b/platform/broadcom/sonic-platform-modules-dell/z9264f/sonic_platform/psu.py @@ -0,0 +1,154 @@ +#!/usr/bin/env python + +######################################################################## +# DellEMC Z9264 +# +# Module contains an implementation of SONiC Platform Base API and +# provides the PSUs' information which are available in the platform +# +######################################################################## + + +try: + from sonic_platform_base.psu_base import PsuBase + from sonic_platform.ipmihelper import IpmiSensor, IpmiFru +except ImportError as e: + raise ImportError(str(e) + "- required module not found") + + +class Psu(PsuBase): + """DellEMC Platform-specific PSU class""" + + # { PSU-ID: { Sensor-Name: Sensor-ID } } + SENSOR_MAPPING = { 1: { "State": 0x31, "Current": 0x39, + "Power": 0x37, "Voltage": 0x38 }, + 2: { "State": 0x32, "Current": 0x3F, + "Power": 0x3D, "Voltage": 0x3E } } + # ( PSU-ID: FRU-ID } + FRU_MAPPING = { 1: 6, 2: 7 } + + def __init__(self, psu_index): + PsuBase.__init__(self) + # PSU is 1-based in DellEMC platforms + self.index = psu_index + 1 + self.state_sensor = IpmiSensor(self.SENSOR_MAPPING[self.index]["State"], + is_discrete=True) + self.voltage_sensor = IpmiSensor(self.SENSOR_MAPPING[self.index]["Voltage"]) + self.current_sensor = IpmiSensor(self.SENSOR_MAPPING[self.index]["Current"]) + self.power_sensor = IpmiSensor(self.SENSOR_MAPPING[self.index]["Power"]) + self.fru = IpmiFru(self.FRU_MAPPING[self.index]) + + def get_name(self): + """ + Retrieves the name of the device + + Returns: + string: The name of the device + """ + return "PSU{}".format(self.index) + + def get_presence(self): + """ + Retrieves the presence of the Power Supply Unit (PSU) + + Returns: + bool: True if PSU is present, False if not + """ + presence = False + is_valid, state = self.state_sensor.get_reading() + if is_valid: + if (state & 0b1): + presence = True + + return presence + + def get_model(self): + """ + Retrieves the part number of the PSU + + Returns: + string: Part number of PSU + """ + return self.fru.get_board_part_number() + + def get_serial(self): + """ + Retrieves the serial number of the PSU + + Returns: + string: Serial number of PSU + """ + return self.fru.get_board_serial() + + def get_status(self): + """ + Retrieves the operational status of the PSU + + Returns: + bool: True if PSU is operating properly, False if not + """ + status = False + is_valid, state = self.state_sensor.get_reading() + if is_valid: + if (state == 0x01): + status = True + + return status + + def get_voltage(self): + """ + Retrieves current PSU voltage output + + Returns: + A float number, the output voltage in volts, + e.g. 12.1 + """ + is_valid, voltage = self.voltage_sensor.get_reading() + if not is_valid: + voltage = 0 + + return "{:.1f}".format(voltage) + + def get_current(self): + """ + Retrieves present electric current supplied by PSU + + Returns: + A float number, electric current in amperes, + e.g. 15.4 + """ + is_valid, current = self.current_sensor.get_reading() + if not is_valid: + current = 0 + + return "{:.1f}".format(current) + + def get_power(self): + """ + Retrieves current energy supplied by PSU + + Returns: + A float number, the power in watts, + e.g. 302.6 + """ + is_valid, power = self.power_sensor.get_reading() + if not is_valid: + power = 0 + + return "{:.1f}".format(power) + + def get_powergood_status(self): + """ + Retrieves the powergood status of PSU + + Returns: + A boolean, True if PSU has stablized its output voltages and + passed all its internal self-tests, False if not. + """ + status = False + is_valid, state = self.state_sensor.get_reading() + if is_valid: + if (state == 0x01): + status = True + + return status