457 lines
16 KiB
Python
457 lines
16 KiB
Python
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#!/usr/bin/env python
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#############################################################################
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# Mellanox
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#
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# Module contains an implementation of SONiC Thermal Base API and
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# provides the thermal sensor status which are available in the platform
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#
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#############################################################################
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try:
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from os.path import join
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import syslog
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import subprocess
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from sonic_thermal.thermal_base import ThermalBase
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except ImportError as e:
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raise ImportError (str(e) + "- required module not found")
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def log_info(msg):
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syslog.openlog("thermalutil")
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syslog.syslog(syslog.LOG_INFO, msg)
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syslog.closelog()
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THERMAL_DEV_CATEGORY_CPU_CORE = "cpu_core"
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THERMAL_DEV_CATEGORY_CPU_PACK = "cpu_pack"
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THERMAL_DEV_CATEGORY_MODULE = "module"
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THERMAL_DEV_CATEGORY_PSU = "psu"
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THERMAL_DEV_CATEGORY_GEARBOX = "gearbox"
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THERMAL_DEV_CATEGORY_AMBIENT = "ambient"
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THERMAL_DEV_ASIC_AMBIENT = "asic_amb"
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THERMAL_DEV_FAN_AMBIENT = "fan_amb"
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THERMAL_DEV_PORT_AMBIENT = "port_amb"
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THERMAL_DEV_COMEX_AMBIENT = "comex_amb"
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THERMAL_DEV_BOARD_AMBIENT = "board_amb"
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THERMAL_API_GET_TEMPERATURE = "get_temperature"
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THERMAL_API_GET_HIGH_THRESHOLD = "get_high_threshold"
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THERMAL_API_GET_HIGH_CRITICAL_THRESHOLD = "get_high_critical_threshold"
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THERMAL_API_INVALID_HIGH_THRESHOLD = 0.0
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HW_MGMT_THERMAL_ROOT = "/var/run/hw-management/thermal/"
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thermal_api_handler_cpu_core = {
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THERMAL_API_GET_TEMPERATURE:"cpu_core{}",
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THERMAL_API_GET_HIGH_THRESHOLD:"cpu_core{}_max",
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THERMAL_API_GET_HIGH_CRITICAL_THRESHOLD:"cpu_core{}_crit"
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}
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thermal_api_handler_cpu_pack = {
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THERMAL_API_GET_TEMPERATURE:"cpu_pack",
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THERMAL_API_GET_HIGH_THRESHOLD:"cpu_pack_max",
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THERMAL_API_GET_HIGH_CRITICAL_THRESHOLD:"cpu_pack_crit"
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}
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thermal_api_handler_module = {
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THERMAL_API_GET_TEMPERATURE:"module{}_temp_input",
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THERMAL_API_GET_HIGH_THRESHOLD:"module{}_temp_crit",
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THERMAL_API_GET_HIGH_CRITICAL_THRESHOLD:"module{}_temp_emergency"
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}
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thermal_api_handler_psu = {
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THERMAL_API_GET_TEMPERATURE:"psu{}_temp",
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THERMAL_API_GET_HIGH_THRESHOLD:"psu{}_temp_max",
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THERMAL_API_GET_HIGH_CRITICAL_THRESHOLD:None
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}
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thermal_api_handler_gearbox = {
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THERMAL_API_GET_TEMPERATURE:"gearbox{}_temp_input",
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THERMAL_API_GET_HIGH_THRESHOLD:None,
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THERMAL_API_GET_HIGH_CRITICAL_THRESHOLD:None
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}
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thermal_ambient_apis = {
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THERMAL_DEV_ASIC_AMBIENT : "asic",
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THERMAL_DEV_PORT_AMBIENT : "port_amb",
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THERMAL_DEV_FAN_AMBIENT : "fan_amb",
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THERMAL_DEV_COMEX_AMBIENT : "comex_amb",
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THERMAL_DEV_BOARD_AMBIENT : "board_amb"
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}
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thermal_ambient_name = {
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THERMAL_DEV_ASIC_AMBIENT : "Ambient ASIC Temp",
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THERMAL_DEV_PORT_AMBIENT : "Ambient Port Side Temp",
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THERMAL_DEV_FAN_AMBIENT : "Ambient Fan Side Temp",
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THERMAL_DEV_COMEX_AMBIENT : "Ambient COMEX Temp",
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THERMAL_DEV_BOARD_AMBIENT : "Ambient Board Temp"
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}
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thermal_api_handlers = {
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THERMAL_DEV_CATEGORY_CPU_CORE : thermal_api_handler_cpu_core,
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THERMAL_DEV_CATEGORY_CPU_PACK : thermal_api_handler_cpu_pack,
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THERMAL_DEV_CATEGORY_MODULE : thermal_api_handler_module,
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THERMAL_DEV_CATEGORY_PSU : thermal_api_handler_psu,
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THERMAL_DEV_CATEGORY_GEARBOX : thermal_api_handler_gearbox
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}
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thermal_name = {
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THERMAL_DEV_CATEGORY_CPU_CORE : "CPU Core {} Temp",
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THERMAL_DEV_CATEGORY_CPU_PACK : "CPU Pack Temp",
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THERMAL_DEV_CATEGORY_MODULE : "xSFP module {} Temp",
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THERMAL_DEV_CATEGORY_PSU : "PSU-{} Temp",
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THERMAL_DEV_CATEGORY_GEARBOX : "Gearbox {} Temp"
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}
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thermal_device_categories_all = [
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THERMAL_DEV_CATEGORY_CPU_CORE,
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THERMAL_DEV_CATEGORY_CPU_PACK,
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THERMAL_DEV_CATEGORY_MODULE,
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THERMAL_DEV_CATEGORY_PSU,
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THERMAL_DEV_CATEGORY_AMBIENT,
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THERMAL_DEV_CATEGORY_GEARBOX
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]
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thermal_device_categories_singleton = [
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THERMAL_DEV_CATEGORY_CPU_PACK,
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THERMAL_DEV_CATEGORY_AMBIENT
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]
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thermal_api_names = [
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THERMAL_API_GET_TEMPERATURE,
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THERMAL_API_GET_HIGH_THRESHOLD
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]
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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, 'Mellanox-SN3800-D112C8': 7}
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thermal_profile_list = [
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# 2700
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{
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THERMAL_DEV_CATEGORY_CPU_CORE:(0, 2),
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THERMAL_DEV_CATEGORY_MODULE:(1, 32),
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THERMAL_DEV_CATEGORY_PSU:(1, 2),
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THERMAL_DEV_CATEGORY_CPU_PACK:(0,1),
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THERMAL_DEV_CATEGORY_GEARBOX:(0,0),
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THERMAL_DEV_CATEGORY_AMBIENT:(0,
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[
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THERMAL_DEV_ASIC_AMBIENT,
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THERMAL_DEV_PORT_AMBIENT,
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THERMAL_DEV_FAN_AMBIENT
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]
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)
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},
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# 2100
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{
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THERMAL_DEV_CATEGORY_CPU_CORE:(0, 4),
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THERMAL_DEV_CATEGORY_MODULE:(1, 16),
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THERMAL_DEV_CATEGORY_PSU:(0, 0),
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THERMAL_DEV_CATEGORY_CPU_PACK:(0,0),
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THERMAL_DEV_CATEGORY_GEARBOX:(0,0),
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THERMAL_DEV_CATEGORY_AMBIENT:(0,
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[
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THERMAL_DEV_ASIC_AMBIENT,
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THERMAL_DEV_PORT_AMBIENT,
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THERMAL_DEV_FAN_AMBIENT,
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]
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)
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},
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# 2410
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{
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THERMAL_DEV_CATEGORY_CPU_CORE:(0, 2),
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THERMAL_DEV_CATEGORY_MODULE:(1, 56),
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THERMAL_DEV_CATEGORY_PSU:(1, 2),
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THERMAL_DEV_CATEGORY_CPU_PACK:(0,1),
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THERMAL_DEV_CATEGORY_GEARBOX:(0,0),
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THERMAL_DEV_CATEGORY_AMBIENT:(0,
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[
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THERMAL_DEV_ASIC_AMBIENT,
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THERMAL_DEV_PORT_AMBIENT,
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THERMAL_DEV_FAN_AMBIENT,
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]
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)
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},
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# 2740
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{
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THERMAL_DEV_CATEGORY_CPU_CORE:(0, 4),
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THERMAL_DEV_CATEGORY_MODULE:(1, 32),
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THERMAL_DEV_CATEGORY_PSU:(1, 2),
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THERMAL_DEV_CATEGORY_CPU_PACK:(0,0),
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THERMAL_DEV_CATEGORY_GEARBOX:(0,0),
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THERMAL_DEV_CATEGORY_AMBIENT:(0,
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[
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THERMAL_DEV_ASIC_AMBIENT,
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THERMAL_DEV_PORT_AMBIENT,
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THERMAL_DEV_FAN_AMBIENT,
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]
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)
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},
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# 2010
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{
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THERMAL_DEV_CATEGORY_CPU_CORE:(0, 4),
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THERMAL_DEV_CATEGORY_MODULE:(1, 22),
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THERMAL_DEV_CATEGORY_PSU:(0, 0),
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THERMAL_DEV_CATEGORY_CPU_PACK:(0,0),
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THERMAL_DEV_CATEGORY_GEARBOX:(0,0),
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THERMAL_DEV_CATEGORY_AMBIENT:(0,
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[
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THERMAL_DEV_ASIC_AMBIENT,
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THERMAL_DEV_PORT_AMBIENT,
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THERMAL_DEV_FAN_AMBIENT,
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]
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)
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},
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# 3700
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{
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THERMAL_DEV_CATEGORY_CPU_CORE:(0, 4),
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THERMAL_DEV_CATEGORY_MODULE:(1, 32),
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THERMAL_DEV_CATEGORY_PSU:(1, 2),
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THERMAL_DEV_CATEGORY_CPU_PACK:(0,1),
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THERMAL_DEV_CATEGORY_GEARBOX:(0,0),
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THERMAL_DEV_CATEGORY_AMBIENT:(0,
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[
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THERMAL_DEV_ASIC_AMBIENT,
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THERMAL_DEV_COMEX_AMBIENT,
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THERMAL_DEV_PORT_AMBIENT,
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THERMAL_DEV_FAN_AMBIENT
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]
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)
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},
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# 3700c
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{
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THERMAL_DEV_CATEGORY_CPU_CORE:(0, 2),
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THERMAL_DEV_CATEGORY_MODULE:(1, 32),
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THERMAL_DEV_CATEGORY_PSU:(1, 2),
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THERMAL_DEV_CATEGORY_CPU_PACK:(0,1),
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THERMAL_DEV_CATEGORY_GEARBOX:(0,0),
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THERMAL_DEV_CATEGORY_AMBIENT:(0,
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[
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THERMAL_DEV_ASIC_AMBIENT,
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THERMAL_DEV_COMEX_AMBIENT,
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THERMAL_DEV_PORT_AMBIENT,
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THERMAL_DEV_FAN_AMBIENT
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]
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)
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},
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# 3800
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{
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THERMAL_DEV_CATEGORY_CPU_CORE:(0, 4),
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THERMAL_DEV_CATEGORY_MODULE:(1, 64),
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THERMAL_DEV_CATEGORY_PSU:(1, 2),
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THERMAL_DEV_CATEGORY_CPU_PACK:(0,1),
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THERMAL_DEV_CATEGORY_GEARBOX:(1,32),
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THERMAL_DEV_CATEGORY_AMBIENT:(0,
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[
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THERMAL_DEV_ASIC_AMBIENT,
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THERMAL_DEV_COMEX_AMBIENT,
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THERMAL_DEV_PORT_AMBIENT,
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THERMAL_DEV_FAN_AMBIENT
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]
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)
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},
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]
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class Thermal(object):
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def __init__(self, category, index, has_index):
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"""
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index should be a string for category ambient and int for other categories
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"""
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if category == THERMAL_DEV_CATEGORY_AMBIENT:
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self.name = thermal_ambient_name[index]
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self.index = index
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elif has_index:
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self.name = thermal_name[category].format(index)
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self.index = index
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else:
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self.name = thermal_name[category]
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self.index = 0
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self.category = category
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self.temperature = self._get_file_from_api(THERMAL_API_GET_TEMPERATURE)
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self.high_threshold = self._get_file_from_api(THERMAL_API_GET_HIGH_THRESHOLD)
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self.high_critical_threshold = self._get_file_from_api(THERMAL_API_GET_HIGH_CRITICAL_THRESHOLD)
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def get_name(self):
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"""
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Retrieves the name of the device
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Returns:
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string: The name of the device
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"""
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return self.name
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def _read_generic_file(self, filename, len):
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"""
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Read a generic file, returns the contents of the file
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"""
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result = None
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try:
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with open(filename, 'r') as fileobj:
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result = fileobj.read()
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except Exception as e:
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log_info("Fail to read file {} due to {}".format(filename, repr(e)))
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return result
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def _get_file_from_api(self, api_name):
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if self.category == THERMAL_DEV_CATEGORY_AMBIENT:
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if api_name == THERMAL_API_GET_TEMPERATURE:
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filename = thermal_ambient_apis[self.index]
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else:
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return None
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else:
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handler = thermal_api_handlers[self.category][api_name]
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if self.category in thermal_device_categories_singleton:
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filename = handler
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else:
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if handler:
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filename = handler.format(self.index)
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else:
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return None
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return join(HW_MGMT_THERMAL_ROOT, filename)
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def get_temperature(self):
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"""
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Retrieves current temperature reading from thermal
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Returns:
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A float number of current temperature in Celsius up to nearest thousandth
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of one degree Celsius, e.g. 30.125
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"""
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value_str = self._read_generic_file(self.temperature, 0)
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if value_str is None:
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return None
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value_float = float(value_str)
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if self.category == THERMAL_DEV_CATEGORY_MODULE and value_float == THERMAL_API_INVALID_HIGH_THRESHOLD:
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return None
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return value_float / 1000.0
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def get_high_threshold(self):
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"""
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Retrieves the high threshold temperature of thermal
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Returns:
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A float number, the high threshold temperature of thermal in Celsius
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up to nearest thousandth of one degree Celsius, e.g. 30.125
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"""
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if self.high_threshold is None:
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return None
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value_str = self._read_generic_file(self.high_threshold, 0)
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if value_str is None:
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return None
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value_float = float(value_str)
|
||
|
|
if self.category == THERMAL_DEV_CATEGORY_MODULE and value_float == THERMAL_API_INVALID_HIGH_THRESHOLD:
|
||
|
|
return None
|
||
|
|
return value_float / 1000.0
|
||
|
|
|
||
|
|
def get_high_critical_threshold(self):
|
||
|
|
"""
|
||
|
|
Retrieves the high critical threshold temperature of thermal
|
||
|
|
|
||
|
|
Returns:
|
||
|
|
A float number, the high critical threshold temperature of thermal in Celsius
|
||
|
|
up to nearest thousandth of one degree Celsius, e.g. 30.125
|
||
|
|
"""
|
||
|
|
if self.high_critical_threshold is None:
|
||
|
|
return None
|
||
|
|
value_str = self._read_generic_file(self.high_critical_threshold, 0)
|
||
|
|
if value_str is None:
|
||
|
|
return None
|
||
|
|
value_float = float(value_str)
|
||
|
|
if self.category == THERMAL_DEV_CATEGORY_MODULE and value_float == THERMAL_API_INVALID_HIGH_THRESHOLD:
|
||
|
|
return None
|
||
|
|
return value_float / 1000.0
|
||
|
|
|
||
|
|
|
||
|
|
class ThermalUtil(ThermalBase):
|
||
|
|
"""Platform-specific Thermalutil class"""
|
||
|
|
|
||
|
|
MAX_PSU_FAN = 1
|
||
|
|
MAX_NUM_PSU = 2
|
||
|
|
GET_HWSKU_CMD = "sonic-cfggen -d -v DEVICE_METADATA.localhost.hwsku"
|
||
|
|
number_of_thermals = 0
|
||
|
|
thermal_list = []
|
||
|
|
|
||
|
|
def _get_sku_name(self):
|
||
|
|
p = subprocess.Popen(self.GET_HWSKU_CMD, shell=True, stdout=subprocess.PIPE)
|
||
|
|
out, err = p.communicate()
|
||
|
|
return out.rstrip('\n')
|
||
|
|
|
||
|
|
def __init__(self):
|
||
|
|
sku = self._get_sku_name()
|
||
|
|
# 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)
|
||
|
|
self.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)
|
||
|
|
self.thermal_list.append(thermal)
|
||
|
|
else:
|
||
|
|
for index in range(count):
|
||
|
|
thermal = Thermal(category, start + index, True)
|
||
|
|
self.thermal_list.append(thermal)
|
||
|
|
self.number_of_thermals = len(self.thermal_list)
|
||
|
|
|
||
|
|
def get_num_thermals(self):
|
||
|
|
"""
|
||
|
|
Retrieves the number of thermal sensors supported on the device
|
||
|
|
|
||
|
|
:return: An integer, the number of thermal sensors supported on the device
|
||
|
|
"""
|
||
|
|
return self.number_of_thermals
|
||
|
|
|
||
|
|
def get_name(self, index):
|
||
|
|
"""
|
||
|
|
Retrieves the human-readable name of a thermal sensor by 1-based index
|
||
|
|
|
||
|
|
Returns:
|
||
|
|
:param index: An integer, 1-based index of the thermal sensor of which to query status
|
||
|
|
:return: String,
|
||
|
|
A string representing the name of the thermal sensor.
|
||
|
|
"""
|
||
|
|
if index >= self.number_of_thermals:
|
||
|
|
raise RuntimeError("index ({}) shouldn't be greater than {}".format(index, self.number_of_thermals))
|
||
|
|
return self.thermal_list[index].get_name()
|
||
|
|
|
||
|
|
def get_temperature(self, index):
|
||
|
|
"""
|
||
|
|
Retrieves current temperature reading from thermal sensor by 1-based index
|
||
|
|
|
||
|
|
:param index: An integer, 1-based index of the thermal sensor of which to query status
|
||
|
|
:return: Float,
|
||
|
|
A float number of current temperature in Celsius up to nearest thousandth
|
||
|
|
of one degree Celsius, e.g. 30.125
|
||
|
|
"""
|
||
|
|
if index >= self.number_of_thermals:
|
||
|
|
raise RuntimeError("index ({}) shouldn't be greater than {}".format(index, self.number_of_thermals))
|
||
|
|
return self.thermal_list[index].get_temperature()
|
||
|
|
|
||
|
|
def get_high_threshold(self, index):
|
||
|
|
"""
|
||
|
|
Retrieves the high threshold temperature of thermal by 1-based index
|
||
|
|
Actions should be taken if the temperature becomes higher than the threshold.
|
||
|
|
|
||
|
|
:param index: An integer, 1-based index of the thermal sensor of which to query status
|
||
|
|
:return: A float number, the high threshold temperature of thermal in Celsius
|
||
|
|
up to nearest thousandth of one degree Celsius, e.g. 30.125
|
||
|
|
"""
|
||
|
|
if index >= self.number_of_thermals:
|
||
|
|
raise RuntimeError("index ({}) shouldn't be greater than {}".format(index, self.number_of_thermals))
|
||
|
|
return self.thermal_list[index].get_high_threshold()
|
||
|
|
|
||
|
|
def get_high_critical_threshold(self, index):
|
||
|
|
"""
|
||
|
|
Retrieves the high critical threshold temperature of thermal by 1-based index
|
||
|
|
Actions should be taken immediately if the temperature becomes higher than the high critical
|
||
|
|
threshold otherwise the device will be damaged.
|
||
|
|
|
||
|
|
:param index: An integer, 1-based index of the thermal sensor of which to query status
|
||
|
|
:return: A float number, the high critical threshold temperature of thermal in Celsius
|
||
|
|
up to nearest thousandth of one degree Celsius, e.g. 30.125
|
||
|
|
"""
|
||
|
|
if index >= self.number_of_thermals:
|
||
|
|
raise RuntimeError("index ({}) shouldn't be greater than {}".format(index, self.number_of_thermals))
|
||
|
|
return self.thermal_list[index].get_high_critical_threshold()
|