def test_get_system_eeprom_info_from_db(self):
return_values = {
('EEPROM_INFO|State', 'Initialized'):
'1',
('EEPROM_INFO|{}'.format(hex(Eeprom._TLV_CODE_PRODUCT_NAME)), 'Value'):
'MSN3420',
('EEPROM_INFO|{}'.format(hex(Eeprom._TLV_CODE_PART_NUMBER)), 'Value'):
'MSN3420-CB2FO',
('EEPROM_INFO|{}'.format(hex(Eeprom._TLV_CODE_MAC_BASE)), 'Value'):
'1C:34:DA:1C:9F:00',
('EEPROM_INFO|{}'.format(hex(Eeprom._TLV_CODE_SERIAL_NUMBER)), 'Value'):
'MT2019X13878',
('EEPROM_INFO|{}'.format(hex(Eeprom._TLV_CODE_VENDOR_EXT)), 'Num_vendor_ext'):
'2',
('EEPROM_INFO|{}'.format(hex(Eeprom._TLV_CODE_VENDOR_EXT)), 'Value_0'):
'ext1',
('EEPROM_INFO|{}'.format(hex(Eeprom._TLV_CODE_VENDOR_EXT)), 'Value_1'):
'ext2',
('EEPROM_INFO|{}'.format(hex(Eeprom._TLV_CODE_CRC_32)), 'Value'):
'CRC_VALUE',
}
def side_effect(key, field):
return return_values.get((key, field))
eeprom = Eeprom()
eeprom._redis_hget = MagicMock(side_effect=side_effect)
info = eeprom.get_system_eeprom_info()
assert eeprom.get_product_name() == 'MSN3420'
assert eeprom.get_part_number() == 'MSN3420-CB2FO'
assert eeprom.get_base_mac() == '1C:34:DA:1C:9F:00'
assert eeprom.get_serial_number() == 'MT2019X13878'
assert info[hex(Eeprom._TLV_CODE_VENDOR_EXT)] == ['ext1', 'ext2']
assert info[hex(Eeprom._TLV_CODE_CRC_32)] == 'CRC_VALUE'
def test_get_system_eeprom_info_from_hardware(self):
eeprom = Eeprom()
eeprom.p = os.path.join(test_path, 'mock_eeprom_data')
eeprom._redis_hget = MagicMock()
info = eeprom.get_system_eeprom_info()
assert eeprom.get_product_name() == 'MSN3800'
assert eeprom.get_part_number() == 'MSN3800-CS2FO'
assert eeprom.get_base_mac() == 'B8:59:9F:A9:34:00'
assert eeprom.get_serial_number() == 'MT1937X00537'
assert info[hex(Eeprom._TLV_CODE_CRC_32)] == '0x9EFF0119'
class Chassis(ChassisBase):
"""
DELLEMC Platform-specific Chassis class
"""
CPLD_DIR = "/sys/devices/platform/dell-s6000-cpld.0"
sfp_control = ""
PORT_START = 0
PORT_END = 0
reset_reason_dict = {}
reset_reason_dict[0xe] = ChassisBase.REBOOT_CAUSE_NON_HARDWARE
reset_reason_dict[0x6] = ChassisBase.REBOOT_CAUSE_NON_HARDWARE
reset_reason_dict[0x7] = ChassisBase.REBOOT_CAUSE_THERMAL_OVERLOAD_OTHER
def __init__(self):
ChassisBase.__init__(self)
# Initialize SFP list
self.PORT_START = 0
self.PORT_END = 31
EEPROM_OFFSET = 20
PORTS_IN_BLOCK = (self.PORT_END + 1)
# sfp.py will read eeprom contents and retrive the eeprom data.
# It will also provide support sfp controls like reset and setting
# low power mode.
# We pass the eeprom path and sfp control path from chassis.py
# So that sfp.py implementation can be generic to all platforms
eeprom_base = "/sys/class/i2c-adapter/i2c-{0}/{0}-0050/eeprom"
self.sfp_control = "/sys/devices/platform/dell-s6000-cpld.0/"
for index in range(0, PORTS_IN_BLOCK):
eeprom_path = eeprom_base.format(index + EEPROM_OFFSET)
sfp_node = Sfp(index, 'QSFP', eeprom_path, self.sfp_control, index)
self._sfp_list.append(sfp_node)
# Get Transceiver status
self.modprs_register = self._get_transceiver_status()
with open("/sys/class/dmi/id/product_name", "r") as fd:
board_type = fd.read()
if 'S6000-ON' in board_type:
self._eeprom = Eeprom()
else:
self._eeprom = EepromS6000()
for i in range(MAX_S6000_FAN):
fan = Fan(i)
self._fan_list.append(fan)
for i in range(MAX_S6000_PSU):
psu = Psu(i)
self._psu_list.append(psu)
for i in range(MAX_S6000_THERMAL):
thermal = Thermal(i)
self._thermal_list.append(thermal)
for i in range(MAX_S6000_COMPONENT):
component = Component(i)
self._component_list.append(component)
def _get_cpld_register(self, reg_name):
rv = 'ERR'
mb_reg_file = self.CPLD_DIR + '/' + reg_name
if (not os.path.isfile(mb_reg_file)):
return rv
try:
with open(mb_reg_file, 'r') as fd:
rv = fd.read()
except Exception as error:
rv = 'ERR'
rv = rv.rstrip('\r\n')
rv = rv.lstrip(" ")
return rv
def _nvram_write(self, offset, val):
resource = "/dev/nvram"
fd = os.open(resource, os.O_RDWR)
if (fd < 0):
print('File open failed ', resource)
return
if (os.lseek(fd, offset, os.SEEK_SET) != offset):
print('lseek failed on ', resource)
return
ret = os.write(fd, struct.pack('B', val))
if ret != 1:
print('Write failed ', str(ret))
return
os.close(fd)
def _get_thermal_reset(self):
reset_file = "/host/reboot-cause/reboot-cause.txt"
if (not os.path.isfile(reset_file)):
return False
try:
with open(reset_file, 'r') as fd:
rv = fd.read()
except Exception as error:
return False
if "Thermal Overload" in rv:
return True
return False
def get_name(self):
"""
Retrieves the name of the chassis
Returns:
string: The name of the chassis
"""
return self._eeprom.get_model()
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 chassis
Returns:
string: Model/part number of chassis
"""
return self._eeprom.get_part_number()
def get_serial(self):
"""
Retrieves the serial number of the chassis (Service tag)
Returns:
string: Serial number of chassis
"""
return self._eeprom.get_serial()
def get_status(self):
"""
Retrieves the operational status of the chassis
Returns:
bool: A boolean value, True if chassis is operating properly
False if not
"""
return True
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_base_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_number()
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.system_eeprom_info()
def get_reboot_cause(self):
"""
Retrieves the cause of the previous reboot
"""
# In S6000, We track the reboot reason by writing the reason in
# NVRAM. Only Warmboot and Coldboot reason are supported here.
# Since it does not support any hardware reason, we return
# non_hardware as default
if self._get_thermal_reset() == True:
self._nvram_write(0x49, 0x7)
lrr = self._get_cpld_register('last_reboot_reason')
if (lrr != 'ERR'):
reset_reason = int(lrr, base=16)
if (reset_reason in self.reset_reason_dict):
return (self.reset_reason_dict[reset_reason], None)
return (ChassisBase.REBOOT_CAUSE_NON_HARDWARE, None)
def _get_transceiver_status(self):
presence_ctrl = self.sfp_control + 'qsfp_modprs'
try:
reg_file = open(presence_ctrl)
except IOError as e:
return False
content = reg_file.readline().rstrip()
reg_file.close()
return int(content, 16)
def get_change_event(self, timeout=0):
"""
Returns a nested dictionary containing all devices which have
experienced a change at chassis level
Args:
timeout: Timeout in milliseconds (optional). If timeout == 0,
this method will block until a change is detected.
Returns:
(bool, dict):
- True if call successful, False if not;
- A nested dictionary where key is a device type,
value is a dictionary with key:value pairs in the
format of {'device_id':'device_event'},
where device_id is the device ID for this device and
device_event,
status='1' represents device inserted,
status='0' represents device removed.
Ex. {'fan':{'0':'0', '2':'1'}, 'sfp':{'11':'0'}}
indicates that fan 0 has been removed, fan 2
has been inserted and sfp 11 has been removed.
"""
start_time = time.time()
port_dict = {}
ret_dict = {"sfp": port_dict}
port = self.PORT_START
forever = False
if timeout == 0:
forever = True
elif timeout > 0:
timeout = timeout / float(1000) # Convert to secs
else:
return False, {}
end_time = start_time + timeout
if (start_time > end_time):
return False, ret_dict # Time wrap or possibly incorrect timeout
while (timeout >= 0):
# Check for OIR events and return updated port_dict
reg_value = self._get_transceiver_status()
if (reg_value != self.modprs_register):
changed_ports = (self.modprs_register ^ reg_value)
while (port >= self.PORT_START and port <= self.PORT_END):
# Mask off the bit corresponding to our port
mask = (1 << port)
if (changed_ports & mask):
# ModPrsL is active low
if reg_value & mask == 0:
port_dict[port] = '1'
else:
port_dict[port] = '0'
port += 1
# Update reg value
self.modprs_register = reg_value
return True, ret_dict
if forever:
time.sleep(1)
else:
timeout = end_time - time.time()
if timeout >= 1:
time.sleep(1) # We poll at 1 second granularity
else:
if timeout > 0:
time.sleep(timeout)
return True, ret_dict
return False, ret_dict
class Chassis(ChassisBase):
"""
NOKIA IXR7250 Platform-specific Chassis class
"""
REBOOT_CAUSE_DICT = {
'powerloss': ChassisBase.REBOOT_CAUSE_POWER_LOSS,
'overtemp': ChassisBase.REBOOT_CAUSE_THERMAL_OVERLOAD_OTHER,
'reboot': ChassisBase.REBOOT_CAUSE_NON_HARDWARE,
'watchdog': ChassisBase.REBOOT_CAUSE_WATCHDOG,
'under-voltage': ChassisBase.REBOOT_CAUSE_HARDWARE_OTHER,
'over-voltage': ChassisBase.REBOOT_CAUSE_HARDWARE_OTHER,
}
def __init__(self):
ChassisBase.__init__(self)
# logger.set_min_log_priority_info()
# Chassis specific slot numbering
self.is_chassis_modular = nokia_common.is_chassis_modular()
self.cpm_instance = nokia_common._get_cpm_slot()
self.my_instance = nokia_common._get_my_slot()
self.is_cpm = nokia_common.is_cpm()
# Create a GRPC channel
self.chassis_stub = None
self.fan_stub = None
self.thermal_stub = None
self.psu_stub = None
self.firmware_stub = None
# Get maximum power consumed by each module like cards, fan-trays etc
self._get_modules_consumed_power()
# Module list
self.get_module_list()
# PSU list
self._get_psu_list()
# FAN list
self._get_fantray_list()
# Thermal list
self.get_thermal_list()
# Component List
self._get_component_list()
# SFP
self.sfp_module_initialized = False
self.sfp_event_initialized = False
# Watchdog
if self._watchdog is None:
self._watchdog = Watchdog("dog")
logger.log_info('HW Watchdog initialized')
# system eeprom
self._eeprom = Eeprom()
def get_presence(self):
module = self._get_my_module()
if module is not None:
return module.get_presence()
return False
def get_status(self):
module = self._get_my_module()
if module is not None:
return module.get_status()
return False
def get_reboot_cause(self):
unknown = (ChassisBase.REBOOT_CAUSE_NON_HARDWARE, None)
# if reboot cause is non-hardware, return NON_HARDWARE
return unknown
def _get_my_module(self):
module = None
my_slot = self.get_my_slot()
supervisor_slot = self.get_supervisor_slot()
if supervisor_slot == my_slot:
index = 0
else:
index = self.get_module_index(ModuleBase.MODULE_TYPE_LINE+str(my_slot-1))
module = self.get_module(index)
return module
def get_status_led(self):
color = Chassis.STATUS_LED_COLOR_OFF
led_type = platform_ndk_pb2.ReqLedType.LED_TYPE_BOARD_STATUS
channel, stub = nokia_common.channel_setup(nokia_common.NOKIA_GRPC_LED_SERVICE)
if not channel or not stub:
return color
ret, response = nokia_common.try_grpc(stub.GetLed,
platform_ndk_pb2.ReqLedInfoPb(led_type=led_type))
nokia_common.channel_shutdown(channel)
if ret is False:
return color
color = nokia_common.led_info_to_color(response.led_get.led_info[0])
return color
def set_status_led(self, color):
led_type = platform_ndk_pb2.ReqLedType.LED_TYPE_BOARD_STATUS
_led_info = nokia_common.led_color_to_info(color)
channel, stub = nokia_common.channel_setup(nokia_common.NOKIA_GRPC_LED_SERVICE)
if not channel or not stub:
return False
ret, response = nokia_common.try_grpc(stub.SetLed,
platform_ndk_pb2.ReqLedInfoPb(led_type=led_type, led_info=_led_info))
nokia_common.channel_shutdown(channel)
if ret is False:
return False
return True
def is_modular_chassis(self):
return self.is_chassis_modular
def get_supervisor_slot(self):
return self.cpm_instance
def get_my_slot(self):
return self.my_instance
def get_module_list(self):
channel, stub = nokia_common.channel_setup(nokia_common.NOKIA_GRPC_CHASSIS_SERVICE)
if not channel or not stub:
return
ret, response = nokia_common.try_grpc(stub.GetChassisProperties,
platform_ndk_pb2.ReqModuleInfoPb())
nokia_common.channel_shutdown(channel)
if ret is False:
return
if self.is_modular_chassis() and not self.is_cpm:
index = 0
supervisor = Module(index,
ModuleBase.MODULE_TYPE_SUPERVISOR+str(index),
ModuleBase.MODULE_TYPE_SUPERVISOR,
self.get_supervisor_slot(), self.chassis_stub)
supervisor.set_maximum_consumed_power(self.supervisor_power)
index = 1
module = Module(index,
ModuleBase.MODULE_TYPE_LINE+str(self.get_my_slot()-1),
ModuleBase.MODULE_TYPE_LINE,
self.get_my_slot(), self.chassis_stub)
module.set_maximum_consumed_power(self.line_card_power)
self._module_list.append(supervisor)
self._module_list.append(module)
logger.log_info('Not control card. Adding self into module list')
return
if self.is_modular_chassis() and self.is_cpm:
for property_index in range(len(response.chassis_property.hw_property)):
hw_property = response.chassis_property.hw_property[property_index]
if hw_property.module_type == platform_ndk_pb2.HwModuleType.HW_MODULE_TYPE_CONTROL:
# Single CPM is supported in chassis
num_control_cards = 1
for j in range(num_control_cards):
module = Module(property_index,
ModuleBase.MODULE_TYPE_SUPERVISOR+str(j),
ModuleBase.MODULE_TYPE_SUPERVISOR,
self.get_supervisor_slot(),
self.chassis_stub)
module.set_maximum_consumed_power(self.supervisor_power)
self._module_list.append(module)
elif hw_property.module_type == platform_ndk_pb2.HwModuleType.HW_MODULE_TYPE_LINE:
for j in range(hw_property.max_num):
module = Module(property_index,
ModuleBase.MODULE_TYPE_LINE+str(j),
ModuleBase.MODULE_TYPE_LINE,
hw_property.slot[j],
self.chassis_stub)
module.set_maximum_consumed_power(self.line_card_power)
self._module_list.append(module)
elif hw_property.module_type == platform_ndk_pb2.HwModuleType.HW_MODULE_TYPE_FABRIC:
for j in range(hw_property.max_num):
module = Module(property_index,
ModuleBase.MODULE_TYPE_FABRIC+str(j),
ModuleBase.MODULE_TYPE_FABRIC,
hw_property.slot[j],
self.chassis_stub)
module.set_maximum_consumed_power(self.fabric_card_power)
self._module_list.append(module)
def get_module_index(self, module_name):
if not self.is_modular_chassis():
return -1
# For IMM on chassis, return supervisor-index as 0 and self index as 1
if not self.is_cpm:
if module_name.startswith(ModuleBase.MODULE_TYPE_SUPERVISOR):
return 0
else:
return 1
# For CPM on chassis
module_index = -1
channel, stub = nokia_common.channel_setup(nokia_common.NOKIA_GRPC_CHASSIS_SERVICE)
if not channel or not stub:
return module_index
ret, response = nokia_common.try_grpc(stub.GetChassisProperties,
platform_ndk_pb2.ReqModuleInfoPb())
nokia_common.channel_shutdown(channel)
if ret is False:
return module_index
for property_index in range(len(response.chassis_property.hw_property)):
hw_property = response.chassis_property.hw_property[property_index]
if hw_property.module_type == platform_ndk_pb2.HwModuleType.HW_MODULE_TYPE_CONTROL:
# Single CPM is supported in chassis
num_control_cards = 1
elif hw_property.module_type == platform_ndk_pb2.HwModuleType.HW_MODULE_TYPE_LINE:
num_line_cards = hw_property.max_num
# elif hw_property.module_type == platform_ndk_pb2.HwModuleType.HW_MODULE_TYPE_FABRIC:
# num_fabric_cards = hw_property.max_num
if module_name.startswith(ModuleBase.MODULE_TYPE_SUPERVISOR):
module_index = 0
elif module_name.startswith(ModuleBase.MODULE_TYPE_LINE):
import re
parse_nums = re.findall(r'\d+', module_name)
module_number = int(parse_nums[0])
module_index = num_control_cards + int(module_number)
elif module_name.startswith(ModuleBase.MODULE_TYPE_FABRIC):
import re
parse_nums = re.findall(r'\d+', module_name)
module_number = int(parse_nums[0])
module_index = num_control_cards + num_line_cards + int(module_number)
return module_index
# PSU and power related
def _get_psu_list(self):
if not self.is_cpm:
return []
channel, stub = nokia_common.channel_setup(nokia_common.NOKIA_GRPC_PSU_SERVICE)
if not channel or not stub:
return
ret, response = nokia_common.try_grpc(stub.GetPsuNum,
platform_ndk_pb2.ReqPsuInfoPb())
nokia_common.channel_shutdown(channel)
if ret is False:
return
self.num_psus = response.num_psus
for i in range(self.num_psus):
psu = Psu(i, self.psu_stub)
self._psu_list.append(psu)
return self._psu_list
def _get_modules_consumed_power(self):
channel, stub = nokia_common.channel_setup(nokia_common.NOKIA_GRPC_CHASSIS_SERVICE)
if not channel or not stub:
return
ret, response = nokia_common.try_grpc(stub.GetModuleMaxPower,
platform_ndk_pb2.ReqModuleInfoPb())
nokia_common.channel_shutdown(channel)
if ret is False:
return
i = 0
while i < len(response.power_info.module_power):
module_info = response.power_info.module_power[i]
i = i + 1
type = module_info.module_type
if type == platform_ndk_pb2.HwModuleType.HW_MODULE_TYPE_CONTROL:
self.supervisor_power = module_info.module_maxpower
elif type == platform_ndk_pb2.HwModuleType.HW_MODULE_TYPE_LINE:
self.line_card_power = module_info.module_maxpower
elif type == platform_ndk_pb2.HwModuleType.HW_MODULE_TYPE_FABRIC:
self.fabric_card_power = module_info.module_maxpower
elif type == platform_ndk_pb2.HwModuleType.HW_MODULE_TYPE_FANTRAY:
self.fantray_power = module_info.module_maxpower
# Fan related
def _get_fantray_list(self):
if not self.is_cpm:
return []
channel, stub = nokia_common.channel_setup(nokia_common.NOKIA_GRPC_FAN_SERVICE)
if not channel or not stub:
return
ret, response = nokia_common.try_grpc(stub.GetFanNum,
platform_ndk_pb2.ReqFanTrayOpsPb())
nokia_common.channel_shutdown(channel)
if ret is False:
return
self.num_fantrays = response.fan_nums.num_fantrays
fan_index = 0
for drawer_index in range(self.num_fantrays):
fan_drawer = FanDrawer(drawer_index)
fan_drawer.set_maximum_consumed_power(self.fantray_power)
fan = Fan(fan_index, drawer_index, False, self.fan_stub)
fan_drawer._fan_list.append(fan)
fan_index = fan_index + 1
self._fan_drawer_list.append(fan_drawer)
return self._fan_drawer_list
def allow_fan_platform_override(self):
from os import path
if path.exists(nokia_common.NOKIA_ALLOW_FAN_OVERRIDE_FILE):
return True
return False
# Thermal related
def get_thermal_list(self):
channel, stub = nokia_common.channel_setup(nokia_common.NOKIA_GRPC_THERMAL_SERVICE)
if not channel or not stub:
return
ret, response = nokia_common.try_grpc(stub.GetThermalDevicesInfo,
platform_ndk_pb2.ReqTempParamsPb())
nokia_common.channel_shutdown(channel)
if ret is False:
return
all_temp_devices = response.temp_devices
self.num_thermals = len(all_temp_devices.temp_device)
i = 0
# Empty previous list
if len(self._thermal_list) != self.num_thermals:
del self._thermal_list[:]
for i in range(self.num_thermals):
temp_device_ = all_temp_devices.temp_device[i]
thermal = Thermal(i, temp_device_.device_idx, temp_device_.sensor_name, self.thermal_stub)
self._thermal_list.append(thermal)
def get_all_thermals(self):
self.get_thermal_list()
return self._thermal_list
def get_thermal_manager(self):
from .thermal_manager import ThermalManager
return ThermalManager
def _get_component_list(self):
channel, stub = nokia_common.channel_setup(nokia_common.NOKIA_GRPC_FIRMWARE_SERVICE)
if not channel or not stub:
return
ret, response = nokia_common.try_grpc(stub.HwFirmwareGetComponents,
platform_ndk_pb2.ReqHwFirmwareInfoPb())
nokia_common.channel_shutdown(channel)
if ret is False:
return
for i in range(len(response.firmware_info.component)):
hw_dev = response.firmware_info.component[i]
component = Component(i, hw_dev.dev_type, hw_dev.dev_name,
hw_dev.dev_desc, self.firmware_stub)
self._component_list.append(component)
# SFP operations below
def initialize_sfp(self):
from sonic_platform.sfp import Sfp
if not nokia_common.is_cpm():
if self.sfp_module_initialized:
logger.log_error("SFPs are already initialized! stub {}".format(self.sfp_stub))
return
self.sfp_stub = None
for index in range(1, NUM_SFP+1):
logger.log_info("Creating SFP '%d'" % index)
# default to QSFP-DD type for the moment. Type gets set dynamically when module is read
sfp = Sfp(index, 'QSFP-DD', self.sfp_stub)
self._sfp_list.append(sfp)
# force 1st read to dynamically set type and detect dom capability
sfp.get_transceiver_info()
sfp._dom_capability_detect()
self.sfp_module_initialized = True
logger.log_info("SFPs are now initialized... stub {}".format(self.sfp_stub))
def get_change_event(self, timeout=0):
# logger.log_error("Get-change-event with thread-{} start ".format(
# str(os.getpid())+str(threading.current_thread().ident)))
if not self.sfp_event_initialized:
from sonic_platform.sfp_event import sfp_event
# use the same stub as direct sfp ops does
self.sfp_event_stub = self.sfp_stub
logger.log_info("Initializing sfp_event with num {} and stub {} : sfp stub {}".format(
NUM_SFP, self.sfp_event_stub, self.sfp_stub))
self.sfp_event_list = sfp_event(NUM_SFP, self.sfp_event_stub)
self.sfp_event_list.initialize()
self.sfp_event_initialized = True
timeout = 0
port_dict = {}
self.sfp_event_list.check_sfp_status(port_dict, timeout)
return True, {'sfp': port_dict}
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:
logger.log_error("SFP index {} out of range (1-{})\n".format(
index, len(self._sfp_list)))
return sfp
# System eeprom below
def get_name(self):
"""
Retrieves the hardware product name for the chassis
Returns:
A string containing the hardware product name for this chassis.
"""
return self._eeprom.get_product_name()
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_base_mac()
def get_serial(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_number()
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_number()
def get_model(self):
"""
Retrieves the model number (or part number) of the chassis
Returns:
string: Model/part number of chassis
"""
return self._eeprom.get_part_number()
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_system_eeprom_info()
def get_eeprom(self):
"""
Retrieves the Sys Eeprom instance for the chassis.
Returns :
The instance of the Sys Eeprom
"""
return self._eeprom
# Midplane
def init_midplane_switch(self):
return True
def get_position_in_parent(self):
"""
Retrieves 1-based relative physical position in parent device.
Returns:
integer: The 1-based relative physical position in parent device or
-1 if cannot determine the position
"""
return -1
def is_replaceable(self):
"""
Indicate whether this device is replaceable.
Returns:
bool: True if it is replaceable.
"""
return False
# Test suitest
def test_suite_chassis(self):
print("Starting Chassis UT")
from sonic_platform.test import test_chassis
test_chassis.run_all(self)
def test_suite_psu(self):
print("Starting PSUs UT")
from sonic_platform.test import test_psu
test_psu.run_all(self._psu_list)
# UT related helper apis
def empty_fan_drawer_list(self):
for fantray in self.get_all_fan_drawers():
del fantray._fan_list[:]
del self._fan_drawer_list[:]
def empty_fan_list(self, fantray_idx):
fantray = self.get_fan_drawer(fantray_idx)
del fantray._fan_list[:]
class Chassis(ChassisBase):
"""
DELLEMC Platform-specific Chassis class
"""
CPLD_DIR = "/sys/devices/platform/dell-s6000-cpld.0"
sfp_control = ""
PORT_START = 0
PORT_END = 0
reset_reason_dict = {}
reset_reason_dict[0xe] = ChassisBase.REBOOT_CAUSE_NON_HARDWARE
reset_reason_dict[0x6] = ChassisBase.REBOOT_CAUSE_NON_HARDWARE
reset_reason_dict[0x7] = ChassisBase.REBOOT_CAUSE_THERMAL_OVERLOAD_OTHER
_num_monitor_thermals = 3
_monitor_thermal_list = []
_is_fan_control_enabled = False
_fan_control_initialised = False
def __init__(self):
ChassisBase.__init__(self)
self.status_led_reg = "system_led"
self.supported_led_color = [
'green', 'blinking green', 'amber', 'blinking amber'
]
# Initialize SFP list
self.PORT_START = 0
self.PORT_END = 31
EEPROM_OFFSET = 20
PORTS_IN_BLOCK = (self.PORT_END + 1)
# sfp.py will read eeprom contents and retrive the eeprom data.
# It will also provide support sfp controls like reset and setting
# low power mode.
# We pass the eeprom path and sfp control path from chassis.py
# So that sfp.py implementation can be generic to all platforms
eeprom_base = "/sys/class/i2c-adapter/i2c-{0}/{0}-0050/eeprom"
self.sfp_control = "/sys/devices/platform/dell-s6000-cpld.0/"
for index in range(0, PORTS_IN_BLOCK):
eeprom_path = eeprom_base.format(index + EEPROM_OFFSET)
sfp_node = Sfp(index, 'QSFP', eeprom_path, self.sfp_control, index)
self._sfp_list.append(sfp_node)
# Get Transceiver status
self.modprs_register = self._get_transceiver_status()
with open("/sys/class/dmi/id/product_name", "r") as fd:
board_type = fd.read()
if 'S6000-ON' in board_type:
self._eeprom = Eeprom()
else:
self._eeprom = EepromS6000()
for i in range(MAX_S6000_FANTRAY):
fandrawer = FanDrawer(i)
self._fan_drawer_list.append(fandrawer)
self._fan_list.extend(fandrawer._fan_list)
for i in range(MAX_S6000_PSU):
psu = Psu(i)
self._psu_list.append(psu)
for i in range(MAX_S6000_THERMAL):
thermal = Thermal(i)
self._thermal_list.append(thermal)
for i in range(MAX_S6000_COMPONENT):
component = Component(i)
self._component_list.append(component)
def _get_cpld_register(self, reg_name):
rv = 'ERR'
mb_reg_file = self.CPLD_DIR + '/' + reg_name
if (not os.path.isfile(mb_reg_file)):
return rv
try:
with open(mb_reg_file, 'r') as fd:
rv = fd.read()
except IOError:
rv = 'ERR'
rv = rv.rstrip('\r\n')
rv = rv.lstrip(" ")
return rv
def _set_cpld_register(self, reg_name, value):
# On successful write, returns the value will be written on
# reg_name and on failure returns 'ERR'
rv = 'ERR'
cpld_reg_file = self.CPLD_DIR + '/' + reg_name
if (not os.path.isfile(cpld_reg_file)):
return rv
try:
with open(cpld_reg_file, 'w') as fd:
rv = fd.write(str(value))
except IOError:
rv = 'ERR'
return rv
def _nvram_write(self, offset, val):
resource = "/dev/nvram"
fd = os.open(resource, os.O_RDWR)
if (fd < 0):
print('File open failed ', resource)
return
if (os.lseek(fd, offset, os.SEEK_SET) != offset):
print('lseek failed on ', resource)
return
ret = os.write(fd, struct.pack('B', val))
if ret != 1:
print('Write failed ', str(ret))
return
os.close(fd)
def _init_fan_control(self):
if not self._fan_control_initialised:
for i in range(self._num_monitor_thermals):
self._monitor_thermal_list.append(Thermal(i))
self._fan_control_initialised = True
def get_name(self):
"""
Retrieves the name of the chassis
Returns:
string: The name of the chassis
"""
return self._eeprom.get_model()
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 chassis
Returns:
string: Model/part number of chassis
"""
return self._eeprom.get_part_number()
def get_serial(self):
"""
Retrieves the serial number of the chassis (Service tag)
Returns:
string: Serial number of chassis
"""
return self._eeprom.get_serial()
def get_status(self):
"""
Retrieves the operational status of the chassis
Returns:
bool: A boolean value, True if chassis is operating properly
False if not
"""
return True
def get_position_in_parent(self):
"""
Retrieves 1-based relative physical position in parent device.
Returns:
integer: The 1-based relative physical position in parent
device or -1 if cannot determine the position
"""
return -1
def is_replaceable(self):
"""
Indicate whether Chassis is replaceable.
Returns:
bool: True if it is replaceable.
"""
return False
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_base_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.system_eeprom_info()
def get_reboot_cause(self):
"""
Retrieves the cause of the previous reboot
"""
# In S6000, We track the reboot reason by writing the reason in
# NVRAM. Only Warmboot and Coldboot reason are supported here.
# Since it does not support any hardware reason, we return
# non_hardware as default
lrr = self._get_cpld_register('last_reboot_reason')
if (lrr != 'ERR'):
reset_reason = int(lrr, base=16)
if (reset_reason in self.reset_reason_dict):
return (self.reset_reason_dict[reset_reason], None)
return (ChassisBase.REBOOT_CAUSE_NON_HARDWARE, None)
def _get_transceiver_status(self):
presence_ctrl = self.sfp_control + 'qsfp_modprs'
try:
reg_file = open(presence_ctrl)
except IOError as e:
return False
content = reg_file.readline().rstrip()
reg_file.close()
return int(content, 16)
def get_change_event(self, timeout=0):
"""
Returns a nested dictionary containing all devices which have
experienced a change at chassis level
Args:
timeout: Timeout in milliseconds (optional). If timeout == 0,
this method will block until a change is detected.
Returns:
(bool, dict):
- True if call successful, False if not;
- A nested dictionary where key is a device type,
value is a dictionary with key:value pairs in the
format of {'device_id':'device_event'},
where device_id is the device ID for this device and
device_event,
status='1' represents device inserted,
status='0' represents device removed.
Ex. {'fan':{'0':'0', '2':'1'}, 'sfp':{'11':'0'}}
indicates that fan 0 has been removed, fan 2
has been inserted and sfp 11 has been removed.
"""
start_time = time.time()
port_dict = {}
ret_dict = {"sfp": port_dict}
port = self.PORT_START
forever = False
if timeout == 0:
forever = True
elif timeout > 0:
timeout = timeout / float(1000) # Convert to secs
else:
return False, {}
end_time = start_time + timeout
if (start_time > end_time):
return False, ret_dict # Time wrap or possibly incorrect timeout
while (timeout >= 0):
# Check for OIR events and return updated port_dict
reg_value = self._get_transceiver_status()
if (reg_value != self.modprs_register):
changed_ports = (self.modprs_register ^ reg_value)
while (port >= self.PORT_START and port <= self.PORT_END):
# Mask off the bit corresponding to our port
mask = (1 << port)
if (changed_ports & mask):
# ModPrsL is active low
if reg_value & mask == 0:
port_dict[port] = '1'
else:
port_dict[port] = '0'
port += 1
# Update reg value
self.modprs_register = reg_value
return True, ret_dict
if forever:
time.sleep(1)
else:
timeout = end_time - time.time()
if timeout >= 1:
time.sleep(1) # We poll at 1 second granularity
else:
if timeout > 0:
time.sleep(timeout)
return True, ret_dict
return False, ret_dict
def initizalize_system_led(self):
return True
def set_status_led(self, color):
"""
Sets the state of the system LED
Args:
color: A string representing the color with which to set the
system LED
Returns:
bool: True if system LED state is set successfully, False if not
"""
if color not in self.supported_led_color:
return False
# Change color string format to the one used by driver
color = color.replace('amber', 'yellow')
color = color.replace('blinking ', 'blink_')
rv = self._set_cpld_register(self.status_led_reg, color)
if (rv != 'ERR'):
return True
else:
return False
def get_status_led(self):
"""
Gets the state of the system LED
Returns:
A string, one of the valid LED color strings which could be vendor
specified.
"""
status_led = self._get_cpld_register(self.status_led_reg)
if (status_led != 'ERR'):
status_led = status_led.replace('yellow', 'amber')
status_led = status_led.replace('blink_', 'blinking ')
return status_led
else:
return None
def get_thermal_manager(self):
"""
Retrieves thermal manager class on this chassis
Returns:
A class derived from ThermalManagerBase representing the
specified thermal manager
"""
from .thermal_manager import ThermalManager
return ThermalManager
def set_fan_control_status(self, enable):
if enable and not self._is_fan_control_enabled:
self._init_fan_control()
for thermal in self._monitor_thermal_list:
thermal.set_high_threshold(LEVEL5_THRESHOLD, force=True)
self._is_fan_control_enabled = True
elif not enable and self._is_fan_control_enabled:
for thermal in self._monitor_thermal_list:
thermal.set_high_threshold(LEVEL4_THRESHOLD, force=True)
self._is_fan_control_enabled = False
def get_monitor_thermals(self):
return self._monitor_thermal_list
def thermal_shutdown(self):
# Update reboot cause
self._nvram_write(0x49, 0x7)
subprocess.call('sync')
time.sleep(1)
for thermal in self._monitor_thermal_list:
thermal.set_high_threshold(LEVEL4_THRESHOLD, force=True)
@staticmethod
def get_system_thermal_level(curr_thermal_level, system_temperature):
def get_level_in_hystersis(curr_level, level1, level2):
if curr_level != level1 and curr_level != level2:
return level1 if abs(curr_level -
level1) < abs(curr_level -
level2) else level2
else:
return curr_level
if system_temperature < LEVEL0_THRESHOLD:
curr_thermal_level = 0
elif LEVEL0_THRESHOLD <= system_temperature < LEVEL1_THRESHOLD:
curr_thermal_level = get_level_in_hystersis(
curr_thermal_level, 0, 1)
elif LEVEL1_THRESHOLD <= system_temperature <= (LEVEL2_THRESHOLD -
HYST_RANGE):
curr_thermal_level = 1
elif (LEVEL2_THRESHOLD -
HYST_RANGE) < system_temperature < LEVEL2_THRESHOLD:
curr_thermal_level = get_level_in_hystersis(
curr_thermal_level, 1, 2)
elif LEVEL2_THRESHOLD <= system_temperature <= (LEVEL3_THRESHOLD -
HYST_RANGE):
curr_thermal_level = 2
elif (LEVEL3_THRESHOLD -
HYST_RANGE) < system_temperature < LEVEL3_THRESHOLD:
curr_thermal_level = get_level_in_hystersis(
curr_thermal_level, 2, 3)
elif LEVEL3_THRESHOLD <= system_temperature < LEVEL4_THRESHOLD:
curr_thermal_level = 3
else:
curr_thermal_level = 4
return curr_thermal_level
@staticmethod
def is_over_temperature(temperature_list):
over_temperature = False
for temperature in temperature_list:
if temperature > LEVEL4_THRESHOLD:
over_temperature = True
break
return over_temperature
