358 lines
12 KiB
Python
358 lines
12 KiB
Python
#!/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 Platform Base API and
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# provides the thermals data which are available in the platform
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#
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#############################################################################
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try:
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from sonic_platform_base.thermal_base import ThermalBase
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from sonic_daemon_base.daemon_base import Logger
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from os import listdir
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from os.path import isfile, join
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import io
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import os.path
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except ImportError as e:
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raise ImportError (str(e) + "- required module not found")
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# Global logger class instance
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SYSLOG_IDENTIFIER = "mlnx-thermal-api"
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logger = Logger(SYSLOG_IDENTIFIER)
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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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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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}
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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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}
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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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}
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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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}
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thermal_api_handler_gearbox = {
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THERMAL_API_GET_TEMPERATURE:"temp_input_gearbox{}",
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THERMAL_API_GET_HIGH_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}
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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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def initialize_thermals(sku, thermal_list, psu_list):
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# create thermal objects for all categories of sensors
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tp_index = hwsku_dict_thermal[sku]
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thermal_profile = thermal_profile_list[tp_index]
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for category in thermal_device_categories_all:
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if category == THERMAL_DEV_CATEGORY_AMBIENT:
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count, ambient_list = thermal_profile[category]
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for ambient in ambient_list:
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thermal = Thermal(category, ambient, True)
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thermal_list.append(thermal)
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else:
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start, count = 0, 0
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if category in thermal_profile:
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start, count = thermal_profile[category]
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if count == 0:
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continue
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if count == 1:
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thermal = Thermal(category, 0, False)
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thermal_list.append(thermal)
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else:
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if category == THERMAL_DEV_CATEGORY_PSU:
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for index in range(count):
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thermal = Thermal(category, start + index, True, psu_list[index].get_powergood_status, "power off")
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thermal_list.append(thermal)
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else:
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for index in range(count):
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thermal = Thermal(category, start + index, True)
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thermal_list.append(thermal)
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class Thermal(ThermalBase):
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def __init__(self, category, index, has_index, dependency = None, hint = None):
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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.dependency = dependency
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self.dependent_hint = hint
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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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logger.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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filename = handler.format(self.index)
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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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if self.dependency and not self.dependency():
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if self.dependent_hint:
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hint = self.dependent_hint
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else:
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hint = "unknown reason"
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logger.log_info("get_temperature for {} failed due to {}".format(self.name, hint))
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return None
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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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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)
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return value_float / 1000.0
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