#!/usr/bin/env python ############################################################################# # Mellanox # # Module contains an implementation of SONiC Platform Base API and # provides the thermals data which are available in the platform # ############################################################################# try: from sonic_platform_base.thermal_base import ThermalBase from sonic_daemon_base.daemon_base import Logger from os import listdir from os.path import isfile, join import io import os.path except ImportError as e: raise ImportError (str(e) + "- required module not found") # Global logger class instance logger = Logger() THERMAL_DEV_CATEGORY_CPU_CORE = "cpu_core" THERMAL_DEV_CATEGORY_CPU_PACK = "cpu_pack" THERMAL_DEV_CATEGORY_MODULE = "module" THERMAL_DEV_CATEGORY_PSU = "psu" THERMAL_DEV_CATEGORY_GEARBOX = "gearbox" THERMAL_DEV_CATEGORY_AMBIENT = "ambient" THERMAL_DEV_ASIC_AMBIENT = "asic_amb" THERMAL_DEV_FAN_AMBIENT = "fan_amb" THERMAL_DEV_PORT_AMBIENT = "port_amb" THERMAL_DEV_COMEX_AMBIENT = "comex_amb" THERMAL_DEV_BOARD_AMBIENT = "board_amb" THERMAL_API_GET_TEMPERATURE = "get_temperature" THERMAL_API_GET_HIGH_THRESHOLD = "get_high_threshold" HW_MGMT_THERMAL_ROOT = "/var/run/hw-management/thermal/" thermal_api_handler_cpu_core = { THERMAL_API_GET_TEMPERATURE:"cpu_core{}", THERMAL_API_GET_HIGH_THRESHOLD:"cpu_core{}_max" } thermal_api_handler_cpu_pack = { THERMAL_API_GET_TEMPERATURE:"cpu_pack", THERMAL_API_GET_HIGH_THRESHOLD:"cpu_pack_max" } thermal_api_handler_module = { THERMAL_API_GET_TEMPERATURE:"module{}_temp_input", THERMAL_API_GET_HIGH_THRESHOLD:"module{}_temp_crit" } thermal_api_handler_psu = { THERMAL_API_GET_TEMPERATURE:"psu{}_temp", THERMAL_API_GET_HIGH_THRESHOLD:"psu{}_temp_max" } thermal_api_handler_gearbox = { THERMAL_API_GET_TEMPERATURE:"gearbox{}_temp_input", THERMAL_API_GET_HIGH_THRESHOLD:None } thermal_ambient_apis = { THERMAL_DEV_ASIC_AMBIENT : "asic", THERMAL_DEV_PORT_AMBIENT : "port_amb", THERMAL_DEV_FAN_AMBIENT : "fan_amb", THERMAL_DEV_COMEX_AMBIENT : "comex_amb", THERMAL_DEV_BOARD_AMBIENT : "board_amb" } thermal_ambient_name = { THERMAL_DEV_ASIC_AMBIENT : "Ambient ASIC Temp", THERMAL_DEV_PORT_AMBIENT : "Ambient Port Side Temp", THERMAL_DEV_FAN_AMBIENT : "Ambient Fan Side Temp", THERMAL_DEV_COMEX_AMBIENT : "Ambient COMEX Temp", THERMAL_DEV_BOARD_AMBIENT : "Ambient Board Temp" } thermal_api_handlers = { THERMAL_DEV_CATEGORY_CPU_CORE : thermal_api_handler_cpu_core, THERMAL_DEV_CATEGORY_CPU_PACK : thermal_api_handler_cpu_pack, THERMAL_DEV_CATEGORY_MODULE : thermal_api_handler_module, THERMAL_DEV_CATEGORY_PSU : thermal_api_handler_psu, THERMAL_DEV_CATEGORY_GEARBOX : thermal_api_handler_gearbox } thermal_name = { THERMAL_DEV_CATEGORY_CPU_CORE : "CPU Core {} Temp", THERMAL_DEV_CATEGORY_CPU_PACK : "CPU Pack Temp", THERMAL_DEV_CATEGORY_MODULE : "xSFP module {} Temp", THERMAL_DEV_CATEGORY_PSU : "PSU-{} Temp", THERMAL_DEV_CATEGORY_GEARBOX : "Gearbox {} Temp" } thermal_device_categories_all = [ THERMAL_DEV_CATEGORY_CPU_CORE, THERMAL_DEV_CATEGORY_CPU_PACK, THERMAL_DEV_CATEGORY_MODULE, THERMAL_DEV_CATEGORY_PSU, THERMAL_DEV_CATEGORY_AMBIENT, THERMAL_DEV_CATEGORY_GEARBOX ] thermal_device_categories_singleton = [ THERMAL_DEV_CATEGORY_CPU_PACK, THERMAL_DEV_CATEGORY_AMBIENT ] thermal_api_names = [ THERMAL_API_GET_TEMPERATURE, THERMAL_API_GET_HIGH_THRESHOLD ] hwsku_dict_thermal = {'ACS-MSN2700': 0, 'LS-SN2700':0, 'ACS-MSN2740': 3, 'ACS-MSN2100': 1, 'ACS-MSN2410': 2, 'ACS-MSN2010': 4, 'ACS-MSN3700': 5, 'ACS-MSN3700C': 6, 'Mellanox-SN2700': 0, 'Mellanox-SN2700-D48C8': 0, 'ACS-MSN3800': 7} thermal_profile_list = [ # 2700 { THERMAL_DEV_CATEGORY_CPU_CORE:(0, 2), THERMAL_DEV_CATEGORY_MODULE:(1, 32), THERMAL_DEV_CATEGORY_PSU:(1, 2), THERMAL_DEV_CATEGORY_CPU_PACK:(0,1), THERMAL_DEV_CATEGORY_GEARBOX:(0,0), THERMAL_DEV_CATEGORY_AMBIENT:(0, [ THERMAL_DEV_ASIC_AMBIENT, THERMAL_DEV_PORT_AMBIENT, THERMAL_DEV_FAN_AMBIENT ] ) }, # 2100 { THERMAL_DEV_CATEGORY_CPU_CORE:(0, 4), THERMAL_DEV_CATEGORY_MODULE:(1, 16), THERMAL_DEV_CATEGORY_PSU:(0, 0), THERMAL_DEV_CATEGORY_CPU_PACK:(0,0), THERMAL_DEV_CATEGORY_GEARBOX:(0,0), THERMAL_DEV_CATEGORY_AMBIENT:(0, [ THERMAL_DEV_ASIC_AMBIENT, THERMAL_DEV_PORT_AMBIENT, THERMAL_DEV_FAN_AMBIENT, ] ) }, # 2410 { THERMAL_DEV_CATEGORY_CPU_CORE:(0, 2), THERMAL_DEV_CATEGORY_MODULE:(1, 56), THERMAL_DEV_CATEGORY_PSU:(1, 2), THERMAL_DEV_CATEGORY_CPU_PACK:(0,1), THERMAL_DEV_CATEGORY_GEARBOX:(0,0), THERMAL_DEV_CATEGORY_AMBIENT:(0, [ THERMAL_DEV_ASIC_AMBIENT, THERMAL_DEV_PORT_AMBIENT, THERMAL_DEV_FAN_AMBIENT, ] ) }, # 2740 { THERMAL_DEV_CATEGORY_CPU_CORE:(0, 4), THERMAL_DEV_CATEGORY_MODULE:(1, 32), THERMAL_DEV_CATEGORY_PSU:(1, 2), THERMAL_DEV_CATEGORY_CPU_PACK:(0,0), THERMAL_DEV_CATEGORY_GEARBOX:(0,0), THERMAL_DEV_CATEGORY_AMBIENT:(0, [ THERMAL_DEV_ASIC_AMBIENT, THERMAL_DEV_PORT_AMBIENT, THERMAL_DEV_FAN_AMBIENT, ] ) }, # 2010 { THERMAL_DEV_CATEGORY_CPU_CORE:(0, 4), THERMAL_DEV_CATEGORY_MODULE:(1, 22), THERMAL_DEV_CATEGORY_PSU:(0, 0), THERMAL_DEV_CATEGORY_CPU_PACK:(0,0), THERMAL_DEV_CATEGORY_GEARBOX:(0,0), THERMAL_DEV_CATEGORY_AMBIENT:(0, [ THERMAL_DEV_ASIC_AMBIENT, THERMAL_DEV_PORT_AMBIENT, THERMAL_DEV_FAN_AMBIENT, ] ) }, # 3700 { THERMAL_DEV_CATEGORY_CPU_CORE:(0, 4), THERMAL_DEV_CATEGORY_MODULE:(1, 32), THERMAL_DEV_CATEGORY_PSU:(1, 2), THERMAL_DEV_CATEGORY_CPU_PACK:(0,1), THERMAL_DEV_CATEGORY_GEARBOX:(0,0), THERMAL_DEV_CATEGORY_AMBIENT:(0, [ THERMAL_DEV_ASIC_AMBIENT, THERMAL_DEV_COMEX_AMBIENT, THERMAL_DEV_PORT_AMBIENT, THERMAL_DEV_FAN_AMBIENT ] ) }, # 3700c { THERMAL_DEV_CATEGORY_CPU_CORE:(0, 2), THERMAL_DEV_CATEGORY_MODULE:(1, 32), THERMAL_DEV_CATEGORY_PSU:(1, 2), THERMAL_DEV_CATEGORY_CPU_PACK:(0,1), THERMAL_DEV_CATEGORY_GEARBOX:(0,0), THERMAL_DEV_CATEGORY_AMBIENT:(0, [ THERMAL_DEV_ASIC_AMBIENT, THERMAL_DEV_COMEX_AMBIENT, THERMAL_DEV_PORT_AMBIENT, THERMAL_DEV_FAN_AMBIENT ] ) }, # 3800 { THERMAL_DEV_CATEGORY_CPU_CORE:(0, 4), THERMAL_DEV_CATEGORY_MODULE:(1, 64), THERMAL_DEV_CATEGORY_PSU:(1, 2), THERMAL_DEV_CATEGORY_CPU_PACK:(0,1), THERMAL_DEV_CATEGORY_GEARBOX:(1,32), THERMAL_DEV_CATEGORY_AMBIENT:(0, [ THERMAL_DEV_ASIC_AMBIENT, THERMAL_DEV_COMEX_AMBIENT, THERMAL_DEV_PORT_AMBIENT, THERMAL_DEV_FAN_AMBIENT ] ) }, ] def initialize_thermals(sku, thermal_list, psu_list): # create thermal objects for all categories of sensors tp_index = hwsku_dict_thermal[sku] thermal_profile = thermal_profile_list[tp_index] for category in thermal_device_categories_all: if category == THERMAL_DEV_CATEGORY_AMBIENT: count, ambient_list = thermal_profile[category] for ambient in ambient_list: thermal = Thermal(category, ambient, True) thermal_list.append(thermal) else: start, count = 0, 0 if category in thermal_profile: start, count = thermal_profile[category] if count == 0: continue if count == 1: thermal = Thermal(category, 0, False) thermal_list.append(thermal) else: if category == THERMAL_DEV_CATEGORY_PSU: for index in range(count): thermal = Thermal(category, start + index, True, psu_list[index].get_powergood_status, "power off") thermal_list.append(thermal) else: for index in range(count): thermal = Thermal(category, start + index, True) thermal_list.append(thermal) class Thermal(ThermalBase): def __init__(self, category, index, has_index, dependency = None, hint = None): """ index should be a string for category ambient and int for other categories """ if category == THERMAL_DEV_CATEGORY_AMBIENT: self.name = thermal_ambient_name[index] self.index = index elif has_index: self.name = thermal_name[category].format(index) self.index = index else: self.name = thermal_name[category] self.index = 0 self.category = category self.temperature = self._get_file_from_api(THERMAL_API_GET_TEMPERATURE) self.high_threshold = self._get_file_from_api(THERMAL_API_GET_HIGH_THRESHOLD) self.dependency = dependency self.dependent_hint = hint def get_name(self): """ Retrieves the name of the device Returns: string: The name of the device """ return self.name def _read_generic_file(self, filename, len): """ Read a generic file, returns the contents of the file """ result = None try: with open(filename, 'r') as fileobj: result = fileobj.read() except Exception as e: logger.log_info("Fail to read file {} due to {}".format(filename, repr(e))) return result def _get_file_from_api(self, api_name): if self.category == THERMAL_DEV_CATEGORY_AMBIENT: if api_name == THERMAL_API_GET_TEMPERATURE: filename = thermal_ambient_apis[self.index] else: return None else: handler = thermal_api_handlers[self.category][api_name] if self.category in thermal_device_categories_singleton: filename = handler else: filename = handler.format(self.index) return join(HW_MGMT_THERMAL_ROOT, filename) def get_temperature(self): """ Retrieves current temperature reading from thermal Returns: A float number of current temperature in Celsius up to nearest thousandth of one degree Celsius, e.g. 30.125 """ if self.dependency and not self.dependency(): if self.dependent_hint: hint = self.dependent_hint else: hint = "unknown reason" logger.log_info("get_temperature for {} failed due to {}".format(self.name, hint)) return None value_str = self._read_generic_file(self.temperature, 0) if value_str is None: return None value_float = float(value_str) return value_float / 1000.0 def get_high_threshold(self): """ Retrieves the high threshold temperature of thermal Returns: A float number, the high threshold temperature of thermal in Celsius up to nearest thousandth of one degree Celsius, e.g. 30.125 """ if self.high_threshold is None: return None value_str = self._read_generic_file(self.high_threshold, 0) if value_str is None: return None value_float = float(value_str) return value_float / 1000.0