class Thermal(ThermalBase):
"""Platform-specific Thermal class"""
THERMAL_NAME_LIST = []
I2C_ADAPTER_PATH = "/sys/class/i2c-adapter"
SS_CONFIG_PATH = "/usr/share/sonic/device/x86_64-cel_seastone-r0/sensors.conf"
def __init__(self, thermal_index):
self.index = thermal_index
self._api_helper = APIHelper()
# Add thermal name
self.THERMAL_NAME_LIST.append("Front-panel temp sensor 1")
self.THERMAL_NAME_LIST.append("Front-panel temp sensor 2")
self.THERMAL_NAME_LIST.append("ASIC temp sensor")
self.THERMAL_NAME_LIST.append("Rear-panel temp sensor 1")
self.THERMAL_NAME_LIST.append("Rear-panel temp sensor 2")
# Set hwmon path
i2c_path = {
0: "i2c-5/5-0048/hwmon/hwmon1", # u4 system-inlet
1: "i2c-6/6-0049/hwmon/hwmon2", # u2 system-inlet
2: "i2c-7/7-004a/hwmon/hwmon3", # u44 bmc56960-on-board
3: "i2c-14/14-0048/hwmon/hwmon4", # u9200 cpu-on-board
4: "i2c-15/15-004e/hwmon/hwmon5" # u9201 system-outlet
}.get(self.index, None)
self.hwmon_path = "{}/{}".format(self.I2C_ADAPTER_PATH, i2c_path)
self.ss_key = self.THERMAL_NAME_LIST[self.index]
self.ss_index = 1
def __get_temp(self, temp_file):
temp_file_path = os.path.join(self.hwmon_path, temp_file)
raw_temp = self._api_helper.read_txt_file(temp_file_path)
temp = float(raw_temp) / 1000
return float("{:.3f}".format(temp))
def __set_threshold(self, file_name, temperature):
temp_file_path = os.path.join(self.hwmon_path, file_name)
try:
with open(temp_file_path, 'w') as fd:
fd.write(str(temperature))
return True
except IOError:
return False
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
"""
temp_file = "temp{}_input".format(self.ss_index)
return self.__get_temp(temp_file)
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
"""
temp_file = "temp{}_max".format(self.ss_index)
return self.__get_temp(temp_file)
def set_high_threshold(self, temperature):
"""
Sets the high threshold temperature of thermal
Args :
temperature: A float number up to nearest thousandth of one degree Celsius,
e.g. 30.125
Returns:
A boolean, True if threshold is set successfully, False if not
"""
temp_file = "temp{}_max".format(self.ss_index)
is_set = self.__set_threshold(temp_file, int(temperature * 1000))
file_set = False
if is_set:
try:
with open(self.SS_CONFIG_PATH, 'r+') as f:
content = f.readlines()
f.seek(0)
ss_found = False
for idx, val in enumerate(content):
if self.ss_key in val:
ss_found = True
elif ss_found and temp_file in val:
content[idx] = " set {} {}\n".format(
temp_file, temperature)
f.writelines(content)
file_set = True
break
except IOError:
file_set = False
return is_set & file_set
def get_name(self):
"""
Retrieves the name of the thermal device
Returns:
string: The name of the thermal device
"""
return self.THERMAL_NAME_LIST[self.index]
def get_presence(self):
"""
Retrieves the presence of the PSU
Returns:
bool: True if PSU is present, False if not
"""
temp_file = "temp{}_input".format(self.ss_index)
temp_file_path = os.path.join(self.hwmon_path, temp_file)
return os.path.isfile(temp_file_path)
def get_status(self):
"""
Retrieves the operational status of the device
Returns:
A boolean value, True if device is operating properly, False if not
"""
if not self.get_presence():
return False
fault_file = "temp{}_fault".format(self.ss_index)
fault_file_path = os.path.join(self.hwmon_path, fault_file)
if not os.path.isfile(fault_file_path):
return True
raw_txt = self.__read_txt_file(fault_file_path)
return int(raw_txt) == 0
class Chassis(ChassisBase):
"""Platform-specific Chassis class"""
def __init__(self):
ChassisBase.__init__(self)
self._api_helper = APIHelper()
self.sfp_module_initialized = False
self.__initialize_eeprom()
self.is_host = self._api_helper.is_host()
if not self.is_host:
self.__initialize_fan()
self.__initialize_psu()
self.__initialize_thermals()
else:
self.__initialize_components()
def __initialize_sfp(self):
from sonic_platform.sfp import Sfp
for index in range(0, NUM_SFP):
sfp = Sfp(index)
self._sfp_list.append(sfp)
self.sfp_module_initialized = True
def __initialize_psu(self):
from sonic_platform.psu import Psu
for index in range(0, NUM_PSU):
psu = Psu(index)
self._psu_list.append(psu)
def __initialize_fan(self):
from sonic_platform.fan import Fan
for fant_index in range(0, NUM_FAN_TRAY):
for fan_index in range(0, NUM_FAN):
fan = Fan(fant_index, fan_index)
self._fan_list.append(fan)
def __initialize_thermals(self):
from sonic_platform.thermal import Thermal
for index in range(0, NUM_THERMAL):
thermal = Thermal(index)
self._thermal_list.append(thermal)
def __initialize_eeprom(self):
from sonic_platform.eeprom import Tlv
self._eeprom = Tlv()
def __initialize_components(self):
from sonic_platform.component import Component
for index in range(0, NUM_COMPONENT):
component = Component(index)
self._component_list.append(component)
def get_base_mac(self):
"""
Retrieves the base MAC address for the chassis
Returns:
A string containing the MAC address in the format
'XX:XX:XX:XX:XX:XX'
"""
return self._eeprom.get_mac()
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_reboot_cause(self):
"""
Retrieves the cause of the previous reboot
Returns:
A tuple (string, string) where the first element is a string
containing the cause of the previous reboot. This string must be
one of the predefined strings in this class. If the first string
is "REBOOT_CAUSE_HARDWARE_OTHER", the second string can be used
to pass a description of the reboot cause.
REBOOT_CAUSE_POWER_LOSS = "Power Loss"
REBOOT_CAUSE_THERMAL_OVERLOAD_CPU = "Thermal Overload: CPU"
REBOOT_CAUSE_THERMAL_OVERLOAD_ASIC = "Thermal Overload: ASIC"
REBOOT_CAUSE_THERMAL_OVERLOAD_OTHER = "Thermal Overload: Other"
REBOOT_CAUSE_INSUFFICIENT_FAN_SPEED = "Insufficient Fan Speed"
REBOOT_CAUSE_WATCHDOG = "Watchdog"
REBOOT_CAUSE_HARDWARE_OTHER = "Hardware - Other"
REBOOT_CAUSE_NON_HARDWARE = "Non-Hardware"
"""
reboot_cause_path = (HOST_REBOOT_CAUSE_PATH + REBOOT_CAUSE_FILE)
sw_reboot_cause = self._api_helper.read_txt_file(
reboot_cause_path) or "Unknown"
hw_reboot_cause = self._api_helper.get_cpld_reg_value(
GETREG_PATH, RESET_REGISTER)
prev_reboot_cause = {
'0x11': (self.REBOOT_CAUSE_POWER_LOSS, 'Power on reset'),
'0x22': (self.REBOOT_CAUSE_HARDWARE_OTHER, 'CPLD_WD_RESET'),
'0x33': (self.REBOOT_CAUSE_HARDWARE_OTHER, 'Power cycle reset triggered by CPU'),
'0x44': (self.REBOOT_CAUSE_HARDWARE_OTHER, 'Power cycle reset triggered by reset button'),
'0x55': (self.REBOOT_CAUSE_THERMAL_OVERLOAD_CPU, ''),
'0x66': (self.REBOOT_CAUSE_THERMAL_OVERLOAD_ASIC, ''),
'0x77': (self.REBOOT_CAUSE_WATCHDOG, '')
}.get(hw_reboot_cause, (self.REBOOT_CAUSE_HARDWARE_OTHER, 'Unknown reason'))
if sw_reboot_cause != 'Unknown' and hw_reboot_cause == '0x11':
prev_reboot_cause = (
self.REBOOT_CAUSE_NON_HARDWARE, sw_reboot_cause)
return prev_reboot_cause
##############################################################
######################## SFP methods #########################
##############################################################
def get_num_sfps(self):
"""
Retrieves the number of sfps available on this chassis
Returns:
An integer, the number of sfps available on this chassis
"""
if not self.sfp_module_initialized:
self.__initialize_sfp()
return len(self._sfp_list)
def get_all_sfps(self):
"""
Retrieves all sfps available on this chassis
Returns:
A list of objects derived from SfpBase representing all sfps
available on this chassis
"""
if not self.sfp_module_initialized:
self.__initialize_sfp()
return self._sfp_list
def get_sfp(self, index):
"""
Retrieves sfp represented by (1-based) index <index>
Args:
index: An integer, the index (1-based) of the sfp to retrieve.
The index should be the sequence of a physical port in a chassis,
starting from 1.
For example, 1 for Ethernet0, 2 for Ethernet4 and so on.
Returns:
An object dervied from SfpBase representing the specified sfp
"""
sfp = None
if not self.sfp_module_initialized:
self.__initialize_sfp()
try:
# The index will start from 1
sfp = self._sfp_list[index-1]
except IndexError:
sys.stderr.write("SFP index {} out of range (1-{})\n".format(
index, len(self._sfp_list)))
return sfp
##############################################################
####################### Other methods ########################
##############################################################
def get_watchdog(self):
"""
Retreives hardware watchdog device on this chassis
Returns:
An object derived from WatchdogBase representing the hardware
watchdog device
"""
if self._watchdog is None:
from sonic_platform.watchdog import Watchdog
self._watchdog = Watchdog()
return self._watchdog
##############################################################
###################### Device methods ########################
##############################################################
def get_name(self):
"""
Retrieves the name of the device
Returns:
string: The name of the device
"""
return self._api_helper.hwsku
def get_presence(self):
"""
Retrieves the presence of the Chassis
Returns:
bool: True if Chassis is present, False if not
"""
return True
def get_model(self):
"""
Retrieves the model number (or part number) of the device
Returns:
string: Model/part number of device
"""
return self._eeprom.get_pn()
def get_serial(self):
"""
Retrieves the serial number of the device
Returns:
string: Serial number of device
"""
return self._eeprom.get_serial()
def get_status(self):
"""
Retrieves the operational status of the device
Returns:
A boolean value, True if device is operating properly, False if not
"""
return True
class Chassis(ChassisBase):
"""Platform-specific Chassis class"""
def __init__(self):
ChassisBase.__init__(self)
self._api_helper = APIHelper()
self.sfp_module_initialized = False
self.__initialize_eeprom()
self.is_host = self._api_helper.is_host()
if not self.is_host:
self.__initialize_fan()
self.__initialize_psu()
self.__initialize_thermals()
else:
self.__initialize_components()
def __initialize_sfp(self):
from sonic_platform.sfp import Sfp
for index in range(0, NUM_SFP):
sfp = Sfp(index)
self._sfp_list.append(sfp)
self.sfp_module_initialized = True
def __initialize_psu(self):
from sonic_platform.psu import Psu
for index in range(0, NUM_PSU):
psu = Psu(index)
self._psu_list.append(psu)
def __initialize_fan(self):
from sonic_platform.fan import Fan
for fant_index in range(0, NUM_FAN_TRAY):
for fan_index in range(0, NUM_FAN):
fan = Fan(fant_index, fan_index)
self._fan_list.append(fan)
def __initialize_thermals(self):
from sonic_platform.thermal import Thermal
for index in range(0, NUM_THERMAL):
thermal = Thermal(index)
self._thermal_list.append(thermal)
def __initialize_eeprom(self):
from sonic_platform.eeprom import Tlv
self._eeprom = Tlv()
def __initialize_components(self):
from sonic_platform.component import Component
for index in range(0, NUM_COMPONENT):
component = Component(index)
self._component_list.append(component)
def get_base_mac(self):
"""
Retrieves the base MAC address for the chassis
Returns:
A string containing the MAC address in the format
'XX:XX:XX:XX:XX:XX'
"""
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_reboot_cause(self):
"""
Retrieves the cause of the previous reboot
Returns:
A tuple (string, string) where the first element is a string
containing the cause of the previous reboot. This string must be
one of the predefined strings in this class. If the first string
is "REBOOT_CAUSE_HARDWARE_OTHER", the second string can be used
to pass a description of the reboot cause.
"""
description = 'None'
reboot_cause = self.REBOOT_CAUSE_HARDWARE_OTHER
reboot_cause_path = (
HOST_REBOOT_CAUSE_PATH + REBOOT_CAUSE_FILE
) if self.is_host else PMON_REBOOT_CAUSE_PATH + REBOOT_CAUSE_FILE
prev_reboot_cause_path = (
HOST_REBOOT_CAUSE_PATH + PREV_REBOOT_CAUSE_FILE
) if self.is_host else PMON_REBOOT_CAUSE_PATH + PREV_REBOOT_CAUSE_FILE
hw_reboot_cause = self._component_list[0].get_register_value(
RESET_REGISTER)
sw_reboot_cause = self._api_helper.read_txt_file(
reboot_cause_path) or "Unknown"
prev_sw_reboot_cause = self._api_helper.read_txt_file(
prev_reboot_cause_path) or "Unknown"
if sw_reboot_cause == "Unknown" and (
prev_sw_reboot_cause == "Unknown" or prev_sw_reboot_cause
== self.REBOOT_CAUSE_POWER_LOSS) and hw_reboot_cause == "0x11":
reboot_cause = self.REBOOT_CAUSE_POWER_LOSS
elif sw_reboot_cause != "Unknown" and hw_reboot_cause == "0x11":
reboot_cause = self.REBOOT_CAUSE_NON_HARDWARE
description = sw_reboot_cause
elif prev_reboot_cause_path != "Unknown" and hw_reboot_cause == "0x11":
reboot_cause = self.REBOOT_CAUSE_NON_HARDWARE
description = prev_sw_reboot_cause
elif hw_reboot_cause == "0x22":
reboot_cause = self.REBOOT_CAUSE_WATCHDOG,
else:
reboot_cause = self.REBOOT_CAUSE_HARDWARE_OTHER
description = 'Unknown reason'
return (reboot_cause, description)
##############################################################
######################## SFP methods #########################
##############################################################
def get_num_sfps(self):
"""
Retrieves the number of sfps available on this chassis
Returns:
An integer, the number of sfps available on this chassis
"""
if not self.sfp_module_initialized:
self.__initialize_sfp()
return len(self._sfp_list)
def get_all_sfps(self):
"""
Retrieves all sfps available on this chassis
Returns:
A list of objects derived from SfpBase representing all sfps
available on this chassis
"""
if not self.sfp_module_initialized:
self.__initialize_sfp()
return self._sfp_list
def get_sfp(self, index):
"""
Retrieves sfp represented by (1-based) index <index>
Args:
index: An integer, the index (1-based) of the sfp to retrieve.
The index should be the sequence of a physical port in a chassis,
starting from 1.
For example, 1 for Ethernet0, 2 for Ethernet4 and so on.
Returns:
An object dervied from SfpBase representing the specified sfp
"""
sfp = None
if not self.sfp_module_initialized:
self.__initialize_sfp()
try:
# The index will start from 1
sfp = self._sfp_list[index - 1]
except IndexError:
sys.stderr.write("SFP index {} out of range (1-{})\n".format(
index, len(self._sfp_list)))
return sfp
##############################################################
####################### Other methods ########################
##############################################################
def get_watchdog(self):
"""
Retreives hardware watchdog device on this chassis
Returns:
An object derived from WatchdogBase representing the hardware
watchdog device
"""
if self._watchdog is None:
from sonic_platform.watchdog import Watchdog
self._watchdog = Watchdog()
return self._watchdog
##############################################################
###################### Device methods ########################
##############################################################
def get_name(self):
"""
Retrieves the name of the device
Returns:
string: The name of the device
"""
return self._api_helper.hwsku
def get_presence(self):
"""
Retrieves the presence of the PSU
Returns:
bool: True if PSU is present, False if not
"""
return True
def get_model(self):
"""
Retrieves the model number (or part number) of the device
Returns:
string: Model/part number of device
"""
return self._eeprom.get_pn()
def get_serial(self):
"""
Retrieves the serial number of the device
Returns:
string: Serial number of device
"""
return self.get_serial_number()
def get_status(self):
"""
Retrieves the operational status of the device
Returns:
A boolean value, True if device is operating properly, False if not
"""
return True
class Psu(PsuBase):
"""Platform-specific Psu class"""
def __init__(self, psu_index):
PsuBase.__init__(self)
self.index = psu_index
self._api_helper = APIHelper()
self.green_led_path = GREEN_LED_PATH.format(self.index + 1)
self.dx010_psu_gpio = [{
'base': self.__get_gpio_base()
}, {
'prs': 27,
'status': 22
}, {
'prs': 28,
'status': 25
}]
self.i2c_num = PSU_I2C_MAPPING[self.index]["num"]
self.i2c_addr = PSU_I2C_MAPPING[self.index]["addr"]
self.hwmon_path = HWMON_PATH.format(self.i2c_num, self.i2c_addr)
for fan_index in range(0, PSU_NUM_FAN[self.index]):
fan = Fan(fan_index, 0, is_psu_fan=True, psu_index=self.index)
self._fan_list.append(fan)
def __search_file_by_contain(self, directory, search_str, file_start):
for dirpath, dirnames, files in os.walk(directory):
for name in files:
file_path = os.path.join(dirpath, name)
if name.startswith(
file_start
) and search_str in self._api_helper.read_txt_file(file_path):
return file_path
return None
def __get_gpio_base(self):
for r in os.listdir(GPIO_DIR):
label_path = os.path.join(GPIO_DIR, r, "label")
if "gpiochip" in r and GPIO_LABEL in self._api_helper.read_txt_file(
label_path):
return int(r[8:], 10)
return 216 # Reserve
def __get_gpio_value(self, pinnum):
gpio_base = self.dx010_psu_gpio[0]['base']
gpio_dir = GPIO_DIR + '/gpio' + str(gpio_base + pinnum)
gpio_file = gpio_dir + "/value"
retval = self._api_helper.read_txt_file(gpio_file)
return retval.rstrip('\r\n')
def get_voltage(self):
"""
Retrieves current PSU voltage output
Returns:
A float number, the output voltage in volts,
e.g. 12.1
"""
psu_voltage = 0.0
voltage_name = "in{}_input"
voltage_label = "vout1"
vout_label_path = self.__search_file_by_contain(
self.hwmon_path, voltage_label, "in")
if vout_label_path:
dir_name = os.path.dirname(vout_label_path)
basename = os.path.basename(vout_label_path)
in_num = filter(str.isdigit, basename)
vout_path = os.path.join(dir_name, voltage_name.format(in_num))
vout_val = self._api_helper.read_txt_file(vout_path)
psu_voltage = float(vout_val) / 1000
return psu_voltage
def get_current(self):
"""
Retrieves present electric current supplied by PSU
Returns:
A float number, the electric current in amperes, e.g 15.4
"""
psu_current = 0.0
current_name = "curr{}_input"
current_label = "iout1"
curr_label_path = self.__search_file_by_contain(
self.hwmon_path, current_label, "cur")
if curr_label_path:
dir_name = os.path.dirname(curr_label_path)
basename = os.path.basename(curr_label_path)
cur_num = filter(str.isdigit, basename)
cur_path = os.path.join(dir_name, current_name.format(cur_num))
cur_val = self._api_helper.read_txt_file(cur_path)
psu_current = float(cur_val) / 1000
return psu_current
def get_power(self):
"""
Retrieves current energy supplied by PSU
Returns:
A float number, the power in watts, e.g. 302.6
"""
psu_power = 0.0
current_name = "power{}_input"
current_label = "pout1"
pw_label_path = self.__search_file_by_contain(self.hwmon_path,
current_label, "power")
if pw_label_path:
dir_name = os.path.dirname(pw_label_path)
basename = os.path.basename(pw_label_path)
pw_num = filter(str.isdigit, basename)
pw_path = os.path.join(dir_name, current_name.format(pw_num))
pw_val = self._api_helper.read_txt_file(pw_path)
psu_power = float(pw_val) / 1000000
return psu_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.
"""
return self.get_status()
def set_status_led(self, color):
"""
Sets the state of the PSU status LED
Args:
color: A string representing the color with which to set the PSU status LED
Note: Only support green and off
Returns:
bool: True if status LED state is set successfully, False if not
"""
set_status_str = {
self.STATUS_LED_COLOR_GREEN: '1',
self.STATUS_LED_COLOR_OFF: '0'
}.get(color, None)
if not set_status_str:
return False
try:
with open(self.green_led_path, 'w') as file:
file.write(set_status_str)
except IOError:
return False
return True
def get_status_led(self):
"""
Gets the state of the PSU status LED
Returns:
A string, one of the predefined STATUS_LED_COLOR_* strings above
"""
status = self._api_helper.read_txt_file(self.green_led_path)
status_str = {
'255': self.STATUS_LED_COLOR_GREEN,
'0': self.STATUS_LED_COLOR_OFF
}.get(status, None)
return status_str
def get_name(self):
"""
Retrieves the name of the device
Returns:
string: The name of the device
"""
return PSU_NAME_LIST[self.index]
def get_presence(self):
"""
Retrieves the presence of the PSU
Returns:
bool: True if PSU is present, False if not
"""
raw = self.__get_gpio_value(self.dx010_psu_gpio[self.index + 1]['prs'])
return int(raw, 10) == 0
def get_status(self):
"""
Retrieves the operational status of the device
Returns:
A boolean value, True if device is operating properly, False if not
"""
raw = self.__get_gpio_value(self.dx010_psu_gpio[self.index +
1]['status'])
return int(raw, 10) == 1
class Fan(FanBase):
"""Platform-specific Fan class"""
def __init__(self, fan_tray_index, fan_index=0, is_psu_fan=False, psu_index=0):
FanBase.__init__(self)
self.fan_index = fan_index
self._api_helper = APIHelper()
self.fan_tray_index = fan_tray_index
self.is_psu_fan = is_psu_fan
if self.is_psu_fan:
self.psu_index = psu_index
self.psu_i2c_num = PSU_I2C_MAPPING[self.psu_index]["num"]
self.psu_i2c_addr = PSU_I2C_MAPPING[self.psu_index]["addr"]
self.psu_hwmon_path = PSU_HWMON_PATH.format(
self.psu_i2c_num, self.psu_i2c_addr)
# dx010 fan attributes
# Two EMC2305s located at i2c-13-4d and i2c-13-2e
# to control a dual-fan module.
self.emc2305_chip_mapping = [
{
'device': "13-002e",
'index_map': [2, 1, 4, 5, 3]
},
{
'device': "13-004d",
'index_map': [2, 4, 5, 3, 1]
}
]
self.dx010_fan_gpio = [
{'base': self.__get_gpio_base()},
{'prs': 11, 'dir': 16, 'color': {'red': 31, 'green': 32}}, # 1
{'prs': 10, 'dir': 15, 'color': {'red': 29, 'green': 30}}, # 2
{'prs': 13, 'dir': 18, 'color': {'red': 35, 'green': 36}}, # 3
{'prs': 14, 'dir': 19, 'color': {'red': 37, 'green': 38}}, # 4
{'prs': 12, 'dir': 17, 'color': {'red': 33, 'green': 34}}, # 5
]
def __write_txt_file(self, file_path, value):
try:
with open(file_path, 'w') as fd:
fd.write(str(value))
except:
return False
return True
def __search_file_by_name(self, directory, file_name):
for dirpath, dirnames, files in os.walk(directory):
for name in files:
file_path = os.path.join(dirpath, name)
if name in file_name:
return file_path
return None
def __get_gpio_base(self):
for r in os.listdir(GPIO_DIR):
label_path = os.path.join(GPIO_DIR, r, "label")
if "gpiochip" in r and GPIO_LABEL in self._api_helper.read_txt_file(label_path):
return int(r[8:], 10)
return 216 # Reserve
def __get_gpio_value(self, pinnum):
gpio_base = self.dx010_fan_gpio[0]['base']
gpio_dir = GPIO_DIR + '/gpio' + str(gpio_base+pinnum)
gpio_file = gpio_dir + "/value"
retval = self._api_helper.read_txt_file(gpio_file)
return retval.rstrip('\r\n')
def __set_gpio_value(self, pinnum, value=0):
gpio_base = self.dx010_fan_gpio[0]['base']
gpio_dir = GPIO_DIR + '/gpio' + str(gpio_base+pinnum)
gpio_file = gpio_dir + "/value"
return self.__write_txt_file(gpio_file, value)
def get_direction(self):
"""
Retrieves the direction of fan
Returns:
A string, either FAN_DIRECTION_INTAKE or FAN_DIRECTION_EXHAUST
depending on fan direction
"""
direction = self.FAN_DIRECTION_EXHAUST
if not self.is_psu_fan:
raw = self.__get_gpio_value(
self.dx010_fan_gpio[self.fan_tray_index+1]['dir'])
direction = self.FAN_DIRECTION_INTAKE if int(
raw, 10) == 0 else self.FAN_DIRECTION_EXHAUST
return direction
def get_speed(self):
"""
Retrieves the speed of fan as a percentage of full speed
Returns:
An integer, the percentage of full fan speed, in the range 0 (off)
to 100 (full speed)
Note:
speed = pwm_in/255*100
"""
speed = 0
if self.is_psu_fan:
fan_speed_sysfs_name = "fan{}_input".format(self.fan_index+1)
fan_speed_sysfs_path = self.__search_file_by_name(
self.psu_hwmon_path, fan_speed_sysfs_name)
fan_speed_rpm = self._api_helper.read_txt_file(
fan_speed_sysfs_path) or 0
fan_speed_raw = float(fan_speed_rpm)/PSU_FAN_MAX_RPM * 100
speed = math.ceil(float(fan_speed_rpm) * 100 / PSU_FAN_MAX_RPM)
elif self.get_presence():
chip = self.emc2305_chip_mapping[self.fan_index]
device = chip['device']
fan_index = chip['index_map']
sysfs_path = "%s%s/%s" % (
EMC2305_PATH, device, EMC2305_FAN_INPUT)
sysfs_path = sysfs_path.format(fan_index[self.fan_tray_index])
raw = self._api_helper.read_txt_file(sysfs_path).strip('\r\n')
pwm = int(raw, 10) if raw else 0
speed = math.ceil(float(pwm * 100 / EMC2305_MAX_PWM))
return int(speed)
def get_target_speed(self):
"""
Retrieves the target (expected) speed of the fan
Returns:
An integer, the percentage of full fan speed, in the range 0 (off)
to 100 (full speed)
Note:
speed_pc = pwm_target/255*100
0 : when PWM mode is use
pwm : when pwm mode is not use
"""
return 'N/A'
def get_speed_tolerance(self):
"""
Retrieves the speed tolerance of the fan
Returns:
An integer, the percentage of variance from target speed which is
considered tolerable
"""
return 10
def set_speed(self, speed):
"""
Sets the fan speed
Args:
speed: An integer, the percentage of full fan speed to set fan to,
in the range 0 (off) to 100 (full speed)
Returns:
A boolean, True if speed is set successfully, False if not
Note:
Depends on pwm or target mode is selected:
1) pwm = speed_pc * 255 <-- Currently use this mode.
2) target_pwm = speed_pc * 100 / 255
2.1) set pwm{}_enable to 3
"""
pwm = speed * 255 / 100
if not self.is_psu_fan and self.get_presence():
chip = self.emc2305_chip_mapping[self.fan_index]
device = chip['device']
fan_index = chip['index_map']
sysfs_path = "%s%s/%s" % (
EMC2305_PATH, device, EMC2305_FAN_PWM)
sysfs_path = sysfs_path.format(fan_index[self.fan_tray_index])
return self.__write_txt_file(sysfs_path, int(pwm))
return False
def set_status_led(self, color):
"""
Sets the state of the fan module status LED
Args:
color: A string representing the color with which to set the
fan module status LED
Returns:
bool: True if status LED state is set successfully, False if not
"""
set_status_led = False
if not self.is_psu_fan:
s1, s2 = False, False
try:
if color == self.STATUS_LED_COLOR_GREEN:
s1 = self.__set_gpio_value(
self.dx010_fan_gpio[self.fan_tray_index+1]['color']['red'], 1)
s2 = self.__set_gpio_value(
self.dx010_fan_gpio[self.fan_tray_index+1]['color']['green'], 0)
elif color == self.STATUS_LED_COLOR_RED:
s1 = self.__set_gpio_value(
self.dx010_fan_gpio[self.fan_tray_index+1]['color']['red'], 0)
s2 = self.__set_gpio_value(
self.dx010_fan_gpio[self.fan_tray_index+1]['color']['green'], 1)
elif color == self.STATUS_LED_COLOR_OFF:
s1 = self.__set_gpio_value(
self.dx010_fan_gpio[self.fan_tray_index+1]['color']['red'], 1)
s2 = self.__set_gpio_value(
self.dx010_fan_gpio[self.fan_tray_index+1]['color']['green'], 1)
set_status_led = s1 and s2
return set_status_led
except IOError:
return False
return set_status_led
def get_name(self):
"""
Retrieves the name of the device
Returns:
string: The name of the device
"""
fan_name = FAN_NAME_LIST[self.fan_tray_index*2 + self.fan_index] if not self.is_psu_fan else "PSU-{} FAN-{}".format(
self.psu_index+1, self.fan_index+1)
return fan_name
def get_presence(self):
"""
Retrieves the presence of the FAN
Returns:
bool: True if FAN is present, False if not
"""
present_str = self.__get_gpio_value(
self.dx010_fan_gpio[self.fan_tray_index+1]['prs'])
return int(present_str, 10) == 0 if not self.is_psu_fan else True
def get_model(self):
"""
Retrieves the model number (or part number) of the device
Returns:
string: Model/part number of device
"""
if self.is_psu_fan:
return NULL_VAL
model = NULL_VAL
return model
def get_serial(self):
"""
Retrieves the serial number of the device
Returns:
string: Serial number of device
"""
if self.is_psu_fan:
return NULL_VAL
serial = NULL_VAL
return serial
def get_status(self):
"""
Retrieves the operational status of the device
Returns:
A boolean value, True if device is operating properly, False if not
"""
status = 1
if self.is_psu_fan:
fan_fault_sysfs_name = "fan1_fault"
fan_fault_sysfs_path = self.__search_file_by_name(
self.psu_hwmon_path, fan_fault_sysfs_name)
status = self._api_helper.read_one_line_file(fan_fault_sysfs_path)
elif self.get_presence():
chip = self.emc2305_chip_mapping[self.fan_index]
device = chip['device']
fan_index = chip['index_map']
sysfs_path = "%s%s/%s" % (
EMC2305_PATH, device, 'fan{}_fault')
sysfs_path = sysfs_path.format(fan_index[self.fan_tray_index])
status = self._api_helper.read_one_line_file(sysfs_path)
return False if int(status) != 0 else True
class Component(ComponentBase):
"""Platform-specific Component class"""
DEVICE_TYPE = "component"
def __init__(self, component_index):
ComponentBase.__init__(self)
self.index = component_index
self.name = self.get_name()
self._api_helper = APIHelper()
def __get_bmc_ver(self):
bmc_ver = "Unknown"
status, raw_bmc_data = self._api_helper.run_command(BMC_VER_CMD)
if status:
bmc_ver_data = raw_bmc_data.split(":")
bmc_ver = bmc_ver_data[-1].strip(
) if len(bmc_ver_data) > 1 else bmc_ver
return bmc_ver
def __get_fpga_ver(self):
fpga_ver = "Unknown"
status, reg_val = self._api_helper.pci_get_value(
MEM_PCI_RESOURCE, FPGA_VER_MEM_OFFSET)
if status:
major = reg_val[0] >> 16
minor = int(bin(reg_val[0])[16:32], 2)
fpga_ver = '{}.{}'.format(major, minor)
return fpga_ver
def get_name(self):
"""
Retrieves the name of the component
Returns:
A string containing the name of the component
"""
return COMPONENT_LIST[self.index][0]
def get_description(self):
"""
Retrieves the description of the component
Returns:
A string containing the description of the component
"""
return COMPONENT_LIST[self.index][1]
def get_firmware_version(self):
"""
Retrieves the firmware version of module
Returns:
string: The firmware versions of the module
"""
fw_version = {
"BIOS": self._api_helper.read_txt_file(BIOS_VER_PATH),
"BMC": self.__get_bmc_ver(),
"FPGA": self.__get_fpga_ver(),
"SWITCH_CPLD": self._api_helper.read_txt_file(SW_CPLD_VER_PATH),
"BASE_CPLD": self._api_helper.read_txt_file(BASE_CPLD_VER_PATH),
}.get(self.name, "Unknown")
return fw_version
def install_firmware(self, image_path):
"""
Install firmware to module
Args:
image_path: A string, path to firmware image
Returns:
A boolean, True if install successfully, False if not
"""
install_command = {
"BMC":
CFUFLASH_FW_UPGRADE_CMD.format(BMC_UPGRADE_OPT, image_path),
"BIOS":
CFUFLASH_FW_UPGRADE_CMD.format(BIOS__UPGRADE_OPT, image_path),
"SWITCH_CPLD":
CFUFLASH_FW_UPGRADE_CMD.format(CPLD_UPGRADE_OPT, image_path),
"BASE_CPLD":
CFUFLASH_FW_UPGRADE_CMD.format(CPLD_UPGRADE_OPT, image_path)
}.get(self.name, None)
if not os.path.isfile(image_path) or install_command is None:
return False
# print(install_command)
status = self._api_helper.run_interactive_command(install_command)
return status
class Thermal(ThermalBase):
"""Platform-specific Thermal class"""
SS_CONFIG_PATH = "/usr/share/sonic/device/x86_64-cel_seastone-r0/sensors.conf"
def __init__(self, thermal_index, airflow):
self.index = thermal_index
self._api_helper = APIHelper()
self._airflow = airflow
self._thermal_info = THERMAL_INFO[self.index]
self._hwmon_path = "{}/{}".format(I2C_ADAPTER_PATH,
self._thermal_info["i2c_path"])
self.name = self.get_name()
self.postion = self._thermal_info["postion"]
self.ss_index = 1
def __get_temp(self, temp_file):
temp_file_path = os.path.join(self._hwmon_path, temp_file)
raw_temp = self._api_helper.read_txt_file(temp_file_path)
temp = float(raw_temp) / 1000
return float("{:.3f}".format(temp))
def __set_threshold(self, file_name, temperature):
temp_file_path = os.path.join(self._hwmon_path, file_name)
try:
with open(temp_file_path, 'w') as fd:
fd.write(str(temperature))
return True
except IOError:
return False
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
"""
temp_file = "temp{}_input".format(self.ss_index)
return self.__get_temp(temp_file)
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
"""
max_crit_key = '{}_max'.format(self._airflow)
return self._thermal_info.get(max_crit_key, None)
def get_low_threshold(self):
"""
Retrieves the low threshold temperature of thermal
Returns:
A float number, the low threshold temperature of thermal in Celsius
up to nearest thousandth of one degree Celsius, e.g. 30.125
"""
return 0.0
def set_high_threshold(self, temperature):
"""
Sets the high threshold temperature of thermal
Args :
temperature: A float number up to nearest thousandth of one degree Celsius,
e.g. 30.125
Returns:
A boolean, True if threshold is set successfully, False if not
"""
temp_file = "temp{}_max".format(self.ss_index)
is_set = self.__set_threshold(temp_file, int(temperature * 1000))
file_set = False
if is_set:
try:
with open(self.SS_CONFIG_PATH, 'r+') as f:
content = f.readlines()
f.seek(0)
ss_found = False
for idx, val in enumerate(content):
if self.name in val:
ss_found = True
elif ss_found and temp_file in val:
content[idx] = " set {} {}\n".format(
temp_file, temperature)
f.writelines(content)
file_set = True
break
except IOError:
file_set = False
return is_set & file_set
def set_low_threshold(self, temperature):
"""
Sets the low threshold temperature of thermal
Args :
temperature: A float number up to nearest thousandth of one degree Celsius,
e.g. 30.125
Returns:
A boolean, True if threshold is set successfully, False if not
"""
return False
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
"""
max_crit_key = '{}_max_crit'.format(self._airflow)
return self._thermal_info.get(max_crit_key, None)
def get_low_critical_threshold(self):
"""
Retrieves the low critical threshold temperature of thermal
Returns:
A float number, the low critical threshold temperature of thermal in Celsius
up to nearest thousandth of one degree Celsius, e.g. 30.125
"""
return 0.0
def get_name(self):
"""
Retrieves the name of the thermal device
Returns:
string: The name of the thermal device
"""
return self._thermal_info["name"]
def get_presence(self):
"""
Retrieves the presence of the PSU
Returns:
bool: True if PSU is present, False if not
"""
temp_file = "temp{}_input".format(self.ss_index)
temp_file_path = os.path.join(self._hwmon_path, temp_file)
return os.path.isfile(temp_file_path)
def get_model(self):
"""
Retrieves the model number (or part number) of the device
Returns:
string: Model/part number of device
"""
return NULL_VAL
def get_serial(self):
"""
Retrieves the serial number of the device
Returns:
string: Serial number of device
"""
return NULL_VAL
def get_status(self):
"""
Retrieves the operational status of the device
Returns:
A boolean value, True if device is operating properly, False if not
"""
if not self.get_presence():
return False
fault_file = "temp{}_fault".format(self.ss_index)
fault_file_path = os.path.join(self._hwmon_path, fault_file)
if not os.path.isfile(fault_file_path):
return True
raw_txt = self.__read_txt_file(fault_file_path)
return int(raw_txt) == 0
