[device/celestica]: Implement Sfp APIs based on the new platform API (#3290)

* [platform/cel]: update qsfp driver for dx010

* [device/celestica]: add sfp api

* [device/celestica]: add eeprom api
This commit is contained in:
Wirut Getbamrung 2019-08-15 07:51:20 +07:00 committed by lguohan
parent b283b4b936
commit ea063db4b6
7 changed files with 1612 additions and 31 deletions

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@ -21,13 +21,15 @@ try:
from sonic_platform.component import Component from sonic_platform.component import Component
from sonic_platform.watchdog import Watchdog from sonic_platform.watchdog import Watchdog
from sonic_platform.thermal import Thermal from sonic_platform.thermal import Thermal
from sonic_platform.sfp import Sfp
from sonic_platform.eeprom import Tlv
except ImportError as e: except ImportError as e:
raise ImportError(str(e) + "- required module not found") raise ImportError(str(e) + "- required module not found")
NUM_FAN = 3 NUM_FAN = 3
NUM_PSU = 2 NUM_PSU = 2
NUM_THERMAL = 7 NUM_THERMAL = 7
CONFIG_DB_PATH = "/etc/sonic/config_db.json" NUM_SFP = 52
RESET_REGISTER = "0x112" RESET_REGISTER = "0x112"
REBOOT_CAUSE_PATH = "/host/reboot-cause/previous-reboot-cause.txt" REBOOT_CAUSE_PATH = "/host/reboot-cause/previous-reboot-cause.txt"
COMPONENT_NAME_LIST = ["SMC_CPLD", "MMC_CPLD", "BIOS"] COMPONENT_NAME_LIST = ["SMC_CPLD", "MMC_CPLD", "BIOS"]
@ -47,17 +49,13 @@ class Chassis(ChassisBase):
for index in range(0, NUM_THERMAL): for index in range(0, NUM_THERMAL):
thermal = Thermal(index) thermal = Thermal(index)
self._thermal_list.append(thermal) self._thermal_list.append(thermal)
for index in range(0, NUM_SFP):
sfp = Sfp(index)
self._sfp_list.append(sfp)
ChassisBase.__init__(self) ChassisBase.__init__(self)
self._component_name_list = COMPONENT_NAME_LIST self._component_name_list = COMPONENT_NAME_LIST
self._watchdog = Watchdog() self._watchdog = Watchdog()
self._eeprom = Tlv()
def __read_config_db(self):
try:
with open(CONFIG_DB_PATH, 'r') as fd:
data = json.load(fd)
return data
except IOError:
raise IOError("Unable to open config_db file !")
def __read_txt_file(self, file_path): def __read_txt_file(self, file_path):
try: try:
@ -74,12 +72,25 @@ class Chassis(ChassisBase):
A string containing the MAC address in the format A string containing the MAC address in the format
'XX:XX:XX:XX:XX:XX' 'XX:XX:XX:XX:XX:XX'
""" """
try: return self._eeprom.get_mac()
self.config_data = self.__read_config_db()
base_mac = self.config_data["DEVICE_METADATA"]["localhost"]["mac"] def get_serial_number(self):
return str(base_mac) """
except KeyError: Retrieves the hardware serial number for the chassis
return str(None) 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_firmware_version(self, component_name): def get_firmware_version(self, component_name):
""" """

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@ -0,0 +1,114 @@
#!/usr/bin/env python
#############################################################################
# Celestica Haliburton
#
# Platform and model specific eeprom subclass, inherits from the base class,
# and provides the followings:
# - the eeprom format definition
# - specific encoder/decoder if there is special need
#############################################################################
try:
import glob
import os
import sys
import imp
import re
from array import array
from cStringIO import StringIO
from sonic_platform_base.sonic_eeprom import eeprom_dts
from sonic_platform_base.sonic_eeprom import eeprom_tlvinfo
except ImportError, e:
raise ImportError(str(e) + "- required module not found")
CACHE_ROOT = '/var/cache/sonic/decode-syseeprom'
CACHE_FILE = 'syseeprom_cache'
class Tlv(eeprom_tlvinfo.TlvInfoDecoder):
EEPROM_DECODE_HEADLINES = 6
def __init__(self):
self._eeprom_path = "/sys/class/i2c-adapter/i2c-2/2-0050/eeprom"
super(Tlv, self).__init__(self._eeprom_path, 0, '', True)
self._eeprom = self._load_eeprom()
def __parse_output(self, decode_output):
decode_output.replace('\0', '')
lines = decode_output.split('\n')
lines = lines[self.EEPROM_DECODE_HEADLINES:]
_eeprom_info_dict = dict()
for line in lines:
try:
match = re.search(
'(0x[0-9a-fA-F]{2})([\s]+[\S]+[\s]+)([\S]+)', line)
if match is not None:
idx = match.group(1)
value = match.group(3).rstrip('\0')
_eeprom_info_dict[idx] = value
except:
pass
return _eeprom_info_dict
def _load_eeprom(self):
original_stdout = sys.stdout
sys.stdout = StringIO()
err = self.read_eeprom_db()
if err:
# Failed to read EEPROM information from database. Read from cache file
pass
else:
decode_output = sys.stdout.getvalue()
sys.stdout = original_stdout
return self.__parse_output(decode_output)
status = self.check_status()
if status <> 'ok':
return False
if not os.path.exists(CACHE_ROOT):
try:
os.makedirs(CACHE_ROOT)
except:
pass
#
# only the eeprom classes that inherit from eeprom_base
# support caching. Others will work normally
#
try:
self.set_cache_name(os.path.join(CACHE_ROOT, CACHE_FILE))
except:
pass
e = self.read_eeprom()
if e is None:
return 0
try:
self.update_cache(e)
except:
pass
self.decode_eeprom(e)
decode_output = sys.stdout.getvalue()
sys.stdout = original_stdout
(is_valid, valid_crc) = self.is_checksum_valid(e)
if not is_valid:
return False
return self.__parse_output(decode_output)
def get_eeprom(self):
return self._eeprom
def get_serial(self):
return self._eeprom.get('0x23', "Undefined.")
def get_mac(self):
return self._eeprom.get('0x24', "Undefined.")

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@ -0,0 +1,564 @@
#!/usr/bin/env python
#############################################################################
# Celestica
#
# Sfp contains an implementation of SONiC Platform Base API and
# provides the sfp device status which are available in the platform
#
#############################################################################
import os
import time
import subprocess
import sonic_device_util
from ctypes import create_string_buffer
try:
from swsssdk import ConfigDBConnector
from sonic_platform_base.sfp_base import SfpBase
from sonic_platform_base.sonic_sfp.sfputilbase import SfpUtilBase
except ImportError as e:
raise ImportError(str(e) + "- required module not found")
class Sfp(SfpBase, SfpUtilBase):
"""Platform-specific Sfp class"""
PORT_START = 1
PORT_END = 52
port_to_i2c_mapping = {
49: 15,
50: 14,
51: 17,
52: 16
}
PRS_PATH = "/sys/devices/platform/e1031.smc/SFP/sfp_modabs"
PLATFORM_ROOT_PATH = '/usr/share/sonic/device'
SFP_STATUS_CONTROL_OFFSET = 110
SFP_STATUS_CONTROL_WIDTH = 1
_port_to_eeprom_mapping = {}
_sfp_port = range(49, PORT_END + 1)
SFP_EEPROM_TYPE_KEY = "TypeOfTransceiver"
SFP_EEPROM_HW_REV_KEY = "VendorRev"
SFP_EEPROM_MF_NAME_KEY = "VendorName"
SFP_EEPROM_MODEL_NAME_KEY = "VendorPN"
SFP_EEPROM_SERIAL_KEY = "VendorSN"
SFP_EEPROM_CONNECTOR_KEY = "Connector"
SFP_EEPROM_ENCODE_KEY = "EncodingCodes"
SFP_EEPROM_EXT_IDENT_KEY = "ExtIdentOfTypeOfTransceiver"
SFP_EEPROM_CABLE_KEY = "LengthCable(UnitsOfm)"
SFP_EEPROM_BIT_RATE_KEY = "NominalSignallingRate(UnitsOf100Mbd)"
SFP_EEPROM_SPEC_COM_KEY = "Specification compliance"
SFP_EEPROM_DATE_KEY = "VendorDataCode(YYYY-MM-DD Lot)"
SFP_EEPROM_OUI_KEY = "VendorOUI"
SFP_EEPROM_MON_DATA_KEY = "MonitorData"
SFP_EEPROM_TEMP_KEY = "Temperature"
SFP_EEPROM_VCC_KEY = "Vcc"
SFP_EEPROM_RX_PWR_KEY = "RXPower"
SFP_EEPROM_TX_PWR_KEY = "TXPower"
SFP_EEPROM_TX_BS_KEY = "TXBias"
SFP_EEPROM_STATUS_CON_KEY = "StatusControl"
@property
def port_start(self):
return self.PORT_START
@property
def port_end(self):
return self.PORT_END
@property
def qsfp_ports(self):
return []
@property
def port_to_eeprom_mapping(self):
return self._port_to_eeprom_mapping
def _convert_string_to_num(self, value_str):
if "-inf" in value_str:
return 'N/A'
elif "Unknown" in value_str:
return 'N/A'
elif 'dBm' in value_str:
t_str = value_str.rstrip('dBm')
return float(t_str)
elif 'mA' in value_str:
t_str = value_str.rstrip('mA')
return float(t_str)
elif 'C' in value_str:
t_str = value_str.rstrip('C')
return float(t_str)
elif 'Volts' in value_str:
t_str = value_str.rstrip('Volts')
return float(t_str)
else:
return 'N/A'
def get_low_power_mode(self, port_num):
raise NotImplementedError
def set_low_power_mode(self, port_num, lpmode):
raise NotImplementedError
def get_transceiver_change_event(self, timeout=0):
raise NotImplementedError
def __init__(self, sfp_index):
# Init SfpUtilBase
eeprom_path = '/sys/bus/i2c/devices/i2c-{0}/{0}-0050/eeprom'
for x in range(self.PORT_START, self.PORT_END + 1):
if x not in self._sfp_port:
self.port_to_i2c_mapping[x] = None
self.port_to_eeprom_mapping[x] = eeprom_path.format(
self.port_to_i2c_mapping[x])
self.read_porttab_mappings(self.__get_path_to_port_config_file())
SfpUtilBase.__init__(self)
# Init index
self.index = sfp_index
self.port_num = self.index + 1
def __get_sysfsfile_eeprom(self):
sysfsfile_eeprom = None
sysfs_sfp_i2c_client_eeprom_path = self.port_to_eeprom_mapping[self.port_num]
try:
sysfsfile_eeprom = open(
sysfs_sfp_i2c_client_eeprom_path, mode="r+b", buffering=0)
except IOError:
print("Error: reading sysfs file %s" %
sysfs_sfp_i2c_client_eeprom_path)
return sysfsfile_eeprom
def __get_path_to_port_config_file(self):
# Get platform and hwsku
machine_info = sonic_device_util.get_machine_info()
platform = sonic_device_util.get_platform_info(machine_info)
config_db = ConfigDBConnector()
config_db.connect()
data = config_db.get_table('DEVICE_METADATA')
try:
hwsku = data['localhost']['hwsku']
except KeyError:
hwsku = "Unknown"
# Load platform module from source
platform_path = "/".join([self.PLATFORM_ROOT_PATH, platform])
hwsku_path = "/".join([platform_path, hwsku])
# First check for the presence of the new 'port_config.ini' file
port_config_file_path = "/".join([hwsku_path, "port_config.ini"])
if not os.path.isfile(port_config_file_path):
# port_config.ini doesn't exist. Try loading the legacy 'portmap.ini' file
port_config_file_path = "/".join([hwsku_path, "portmap.ini"])
return port_config_file_path
def get_transceiver_info(self):
"""
Retrieves transceiver info of this SFP
Returns:
A dict which contains following keys/values :
========================================================================
keys |Value Format |Information
---------------------------|---------------|----------------------------
type |1*255VCHAR |type of SFP
hardwarerev |1*255VCHAR |hardware version of SFP
serialnum |1*255VCHAR |serial number of the SFP
manufacturename |1*255VCHAR |SFP vendor name
modelname |1*255VCHAR |SFP model name
Connector |1*255VCHAR |connector information
encoding |1*255VCHAR |encoding information
ext_identifier |1*255VCHAR |extend identifier
ext_rateselect_compliance |1*255VCHAR |extended rateSelect compliance
cable_length |INT |cable length in m
nominal_bit_rate |INT |nominal bit rate by 100Mbs
specification_compliance |1*255VCHAR |specification compliance
vendor_date |1*255VCHAR |vendor date
vendor_oui |1*255VCHAR |vendor OUI
========================================================================
"""
transceiver_info_dict = dict()
# get eeprom data
self.eeprom_dict = self.get_eeprom_dict(self.port_num)
if self.eeprom_dict and self.eeprom_dict.get('interface'):
transceiver_info_data = self.eeprom_dict['interface'].get('data')
# set specification_compliance
spec_com = transceiver_info_data.get(
self.SFP_EEPROM_SPEC_COM_KEY, {})
spec_com_str = "/".join(list(spec_com.values()))
# set normal transceiver info
transceiver_info_dict['type'] = transceiver_info_data.get(
self.SFP_EEPROM_TYPE_KEY, 'N/A')
transceiver_info_dict['hardwarerev'] = transceiver_info_data.get(
self.SFP_EEPROM_HW_REV_KEY, 'N/A')
transceiver_info_dict['manufacturename'] = transceiver_info_data.get(
self.SFP_EEPROM_MF_NAME_KEY, 'N/A')
transceiver_info_dict['modelname'] = transceiver_info_data.get(
self.SFP_EEPROM_MODEL_NAME_KEY, 'N/A')
transceiver_info_dict['serialnum'] = transceiver_info_data.get(
self.SFP_EEPROM_SERIAL_KEY, 'N/A')
transceiver_info_dict['Connector'] = transceiver_info_data.get(
self.SFP_EEPROM_CONNECTOR_KEY, 'N/A')
transceiver_info_dict['encoding'] = transceiver_info_data.get(
self.SFP_EEPROM_ENCODE_KEY, 'N/A')
transceiver_info_dict['ext_identifier'] = transceiver_info_data.get(
self.SFP_EEPROM_EXT_IDENT_KEY, 'N/A')
transceiver_info_dict['cable_length'] = transceiver_info_data.get(
self.SFP_EEPROM_CABLE_KEY, 'N/A')
transceiver_info_dict['nominal_bit_rate'] = transceiver_info_data.get(
self.SFP_EEPROM_BIT_RATE_KEY, 'N/A')
transceiver_info_dict['vendor_date'] = transceiver_info_data.get(
self.SFP_EEPROM_DATE_KEY, 'N/A')
transceiver_info_dict['vendor_oui'] = transceiver_info_data.get(
self.SFP_EEPROM_OUI_KEY, 'N/A')
transceiver_info_dict['ext_rateselect_compliance'] = "N/A"
transceiver_info_dict['specification_compliance'] = spec_com_str or "N/A"
return transceiver_info_dict
def get_transceiver_bulk_status(self):
"""
Retrieves transceiver bulk status of this SFP
Returns:
A dict which contains following keys/values :
========================================================================
keys |Value Format |Information
---------------------------|---------------|----------------------------
RX LOS |BOOLEAN |RX lost-of-signal status,
| |True if has RX los, False if not.
TX FAULT |BOOLEAN |TX fault status,
| |True if has TX fault, False if not.
Reset status |BOOLEAN |reset status,
| |True if SFP in reset, False if not.
LP mode |BOOLEAN |low power mode status,
| |True in lp mode, False if not.
TX disable |BOOLEAN |TX disable status,
| |True TX disabled, False if not.
TX disabled channel |HEX |disabled TX channles in hex,
| |bits 0 to 3 represent channel 0
| |to channel 3.
Temperature |INT |module temperature in Celsius
Voltage |INT |supply voltage in mV
TX bias |INT |TX Bias Current in mA
RX power |INT |received optical power in mW
TX power |INT |TX output power in mW
========================================================================
"""
transceiver_bulk_status_dict = dict()
# get eeprom data
self.eeprom_dict = self.get_eeprom_dict(self.port_num)
if self.eeprom_dict and self.eeprom_dict.get('dom'):
transceiver_dom_data = self.eeprom_dict['dom'].get('data', {})
transceiver_dom_data_mmv = transceiver_dom_data.get(
self.SFP_EEPROM_MON_DATA_KEY)
# set normal transceiver bulk status
transceiver_bulk_status_dict['temperature'] = transceiver_dom_data_mmv.get(
self.SFP_EEPROM_TEMP_KEY, 'N/A')
transceiver_bulk_status_dict['voltage'] = transceiver_dom_data_mmv.get(
self.SFP_EEPROM_VCC_KEY, 'N/A')
transceiver_bulk_status_dict['rx1power'] = transceiver_dom_data_mmv.get(
self.SFP_EEPROM_RX_PWR_KEY, 'N/A')
transceiver_bulk_status_dict['rx2power'] = "N/A"
transceiver_bulk_status_dict['rx3power'] = "N/A"
transceiver_bulk_status_dict['rx4power'] = "N/A"
transceiver_bulk_status_dict['tx1bias'] = transceiver_dom_data_mmv.get(
self.SFP_EEPROM_TX_BS_KEY, 'N/A')
transceiver_bulk_status_dict['tx2bias'] = "N/A"
transceiver_bulk_status_dict['tx3bias'] = "N/A"
transceiver_bulk_status_dict['tx4bias'] = "N/A"
transceiver_bulk_status_dict['tx1power'] = transceiver_dom_data_mmv.get(
self.SFP_EEPROM_TX_PWR_KEY, 'N/A')
transceiver_bulk_status_dict['tx2power'] = "N/A"
transceiver_bulk_status_dict['tx3power'] = "N/A"
transceiver_bulk_status_dict['tx4power'] = "N/A"
for key in transceiver_bulk_status_dict:
transceiver_bulk_status_dict[key] = self._convert_string_to_num(
transceiver_bulk_status_dict[key])
return transceiver_bulk_status_dict
def get_reset_status(self):
"""
Retrieves the reset status of SFP
Returns:
A Boolean, True if reset enabled, False if disabled
"""
# SFP doesn't support this feature
return NotImplementedError
def get_rx_los(self):
"""
Retrieves the RX LOS (lost-of-signal) status of SFP
Returns:
A Boolean, True if SFP has RX LOS, False if not.
Note : RX LOS status is latched until a call to get_rx_los or a reset.
"""
rx_los = False
rx_los_key = "RXLOSState"
self.eeprom_dict = self.get_eeprom_dict(self.port_num)
if self.eeprom_dict and self.eeprom_dict.get('dom'):
transceiver_dom_data = self.eeprom_dict['dom'].get('data', {})
transceiver_dom_data_sc = transceiver_dom_data.get(
self.SFP_EEPROM_STATUS_CON_KEY)
state = transceiver_dom_data_sc.get(rx_los_key)
rx_los = True if 'off' not in state.lower() else False
return rx_los
def get_tx_fault(self):
"""
Retrieves the TX fault status of SFP
Returns:
A Boolean, True if SFP has TX fault, False if not
Note : TX fault status is lached until a call to get_tx_fault or a reset.
"""
tx_fault = False
tx_fault_key = "TXFaultState"
self.eeprom_dict = self.get_eeprom_dict(self.port_num)
if self.eeprom_dict and self.eeprom_dict.get('dom'):
transceiver_dom_data = self.eeprom_dict['dom'].get('data', {})
transceiver_dom_data_sc = transceiver_dom_data.get(
self.SFP_EEPROM_STATUS_CON_KEY)
state = transceiver_dom_data_sc.get(tx_fault_key)
tx_fault = True if 'off' not in state.lower() else False
return tx_fault
def get_tx_disable(self):
"""
Retrieves the tx_disable status of this SFP
Returns:
A Boolean, True if tx_disable is enabled, False if disabled
"""
tx_disable = False
tx_disable_key = "TXDisableState"
self.eeprom_dict = self.get_eeprom_dict(self.port_num)
if self.eeprom_dict and self.eeprom_dict.get('dom'):
transceiver_dom_data = self.eeprom_dict['dom'].get('data', {})
transceiver_dom_data_sc = transceiver_dom_data.get(
self.SFP_EEPROM_STATUS_CON_KEY)
state = transceiver_dom_data_sc.get(tx_disable_key)
tx_disable = True if 'off' not in state.lower() else False
return tx_disable
def get_tx_disable_channel(self):
"""
Retrieves the TX disabled channels in this SFP
Returns:
A hex of 4 bits (bit 0 to bit 3 as channel 0 to channel 3) to represent
TX channels which have been disabled in this SFP.
As an example, a returned value of 0x5 indicates that channel 0
and channel 2 have been disabled.
"""
# SFP doesn't support this feature
return NotImplementedError
def get_lpmode(self):
"""
Retrieves the lpmode (low power mode) status of this SFP
Returns:
A Boolean, True if lpmode is enabled, False if disabled
"""
# SFP doesn't support this feature
return self.get_low_power_mode(self.port_num)
def get_power_override(self):
"""
Retrieves the power-override status of this SFP
Returns:
A Boolean, True if power-override is enabled, False if disabled
"""
# SFP doesn't support this feature
return NotImplementedError
def get_temperature(self):
"""
Retrieves the temperature of this SFP
Returns:
An integer number of current temperature in Celsius
"""
transceiver_dom_info_dict = self.get_transceiver_bulk_status()
return transceiver_dom_info_dict.get("temperature", "N/A")
def get_voltage(self):
"""
Retrieves the supply voltage of this SFP
Returns:
An integer number of supply voltage in mV
"""
transceiver_dom_info_dict = self.get_transceiver_bulk_status()
return transceiver_dom_info_dict.get("voltage", "N/A")
def get_tx_bias(self):
"""
Retrieves the TX bias current of this SFP
Returns:
A list of four integer numbers, representing TX bias in mA
for channel 0 to channel 4.
Ex. ['110.09', '111.12', '108.21', '112.09']
"""
transceiver_dom_info_dict = self.get_transceiver_bulk_status()
tx1_bs = transceiver_dom_info_dict.get("tx1bias", "N/A")
return [tx1_bs, "N/A", "N/A", "N/A"]
def get_rx_power(self):
"""
Retrieves the received optical power for this SFP
Returns:
A list of four integer numbers, representing received optical
power in mW for channel 0 to channel 4.
Ex. ['1.77', '1.71', '1.68', '1.70']
"""
transceiver_dom_info_dict = self.get_transceiver_bulk_status()
rx1_pw = transceiver_dom_info_dict.get("rx1power", "N/A")
return [rx1_pw, "N/A", "N/A", "N/A"]
def get_tx_power(self):
"""
Retrieves the TX power of this SFP
Returns:
A list of four integer numbers, representing TX power in mW
for channel 0 to channel 4.
Ex. ['1.86', '1.86', '1.86', '1.86']
"""
transceiver_dom_info_dict = self.get_transceiver_bulk_status()
tx1_pw = transceiver_dom_info_dict.get("tx1power", "N/A")
return [tx1_pw, "N/A", "N/A", "N/A"]
def reset(self):
"""
Reset SFP and return all user module settings to their default srate.
Returns:
A boolean, True if successful, False if not
"""
# SFP doesn't support this feature
return NotImplementedError
def tx_disable(self, tx_disable):
"""
Disable SFP TX for all channels
Args:
tx_disable : A Boolean, True to enable tx_disable mode, False to disable
tx_disable mode.
Returns:
A boolean, True if tx_disable is set successfully, False if not
"""
sysfsfile_eeprom = self.__get_sysfsfile_eeprom()
status_control_raw = self._read_eeprom_specific_bytes(
sysfsfile_eeprom, self.SFP_STATUS_CONTROL_OFFSET, self.SFP_STATUS_CONTROL_WIDTH)
if status_control_raw is not None:
tx_disable_bit = 0x80 if tx_disable else 0x7f
status_control = int(status_control_raw[0], 16)
tx_disable_ctl = (status_control | tx_disable_bit) if tx_disable else (
status_control & tx_disable_bit)
try:
buffer = create_string_buffer(1)
buffer[0] = chr(tx_disable_ctl)
# Write to eeprom
sysfsfile_eeprom.seek(self.SFP_STATUS_CONTROL_OFFSET)
sysfsfile_eeprom.write(buffer[0])
except IOError as e:
print "Error: unable to open file: %s" % str(e)
return False
finally:
if sysfsfile_eeprom is not None:
sysfsfile_eeprom.close()
time.sleep(0.01)
return True
return False
def tx_disable_channel(self, channel, disable):
"""
Sets the tx_disable for specified SFP channels
Args:
channel : A hex of 4 bits (bit 0 to bit 3) which represent channel 0 to 3,
e.g. 0x5 for channel 0 and channel 2.
disable : A boolean, True to disable TX channels specified in channel,
False to enable
Returns:
A boolean, True if successful, False if not
"""
# SFP doesn't support this feature
return NotImplementedError
def set_lpmode(self, lpmode):
"""
Sets the lpmode (low power mode) of SFP
Args:
lpmode: A Boolean, True to enable lpmode, False to disable it
Note : lpmode can be overridden by set_power_override
Returns:
A boolean, True if lpmode is set successfully, False if not
"""
return self.set_low_power_mode(self.port_num, lpmode)
def set_power_override(self, power_override, power_set):
"""
Sets SFP power level using power_override and power_set
Args:
power_override :
A Boolean, True to override set_lpmode and use power_set
to control SFP power, False to disable SFP power control
through power_override/power_set and use set_lpmode
to control SFP power.
power_set :
Only valid when power_override is True.
A Boolean, True to set SFP to low power mode, False to set
SFP to high power mode.
Returns:
A boolean, True if power-override and power_set are set successfully,
False if not
"""
return NotImplementedError
def get_name(self):
"""
Retrieves the name of the device
Returns:
string: The name of the device
"""
return self.logical[self.index]
def get_presence(self):
"""
Retrieves the presence of the PSU
Returns:
bool: True if PSU is present, False if not
"""
if self.port_num not in self._sfp_port:
return False
status = 1
try:
with open(self.PRS_PATH, 'r') as port_status:
status = int(port_status.read(), 16)
status = (status >> (self.port_num - 49)) & 1
except IOError:
return False
return status == 0
def get_model(self):
"""
Retrieves the model number (or part number) of the device
Returns:
string: Model/part number of device
"""
transceiver_dom_info_dict = self.get_transceiver_bulk_status()
return transceiver_dom_info_dict.get("modelname", "N/A")
def get_serial(self):
"""
Retrieves the serial number of the device
Returns:
string: Serial number of device
"""
transceiver_dom_info_dict = self.get_transceiver_bulk_status()
return transceiver_dom_info_dict.get("serialnum", "N/A")

View File

@ -21,13 +21,15 @@ try:
from sonic_platform.component import Component from sonic_platform.component import Component
from sonic_platform.watchdog import Watchdog from sonic_platform.watchdog import Watchdog
from sonic_platform.thermal import Thermal from sonic_platform.thermal import Thermal
from sonic_platform.sfp import Sfp
from sonic_platform.eeprom import Tlv
except ImportError as e: except ImportError as e:
raise ImportError(str(e) + "- required module not found") raise ImportError(str(e) + "- required module not found")
CONFIG_DB_PATH = "/etc/sonic/config_db.json"
NUM_FAN = 5 NUM_FAN = 5
NUM_PSU = 2 NUM_PSU = 2
NUM_THERMAL = 5 NUM_THERMAL = 5
NUM_SFP = 32
RESET_REGISTER = "0x103" RESET_REGISTER = "0x103"
REBOOT_CAUSE_PATH = "/host/reboot-cause/previous-reboot-cause.txt" REBOOT_CAUSE_PATH = "/host/reboot-cause/previous-reboot-cause.txt"
COMPONENT_NAME_LIST = ["CPLD1", "CPLD2", "CPLD3", "CPLD4", "BIOS"] COMPONENT_NAME_LIST = ["CPLD1", "CPLD2", "CPLD3", "CPLD4", "BIOS"]
@ -47,17 +49,13 @@ class Chassis(ChassisBase):
for index in range(0, NUM_THERMAL): for index in range(0, NUM_THERMAL):
thermal = Thermal(index) thermal = Thermal(index)
self._thermal_list.append(thermal) self._thermal_list.append(thermal)
for index in range(0, NUM_SFP):
sfp = Sfp(index)
self._sfp_list.append(sfp)
ChassisBase.__init__(self) ChassisBase.__init__(self)
self._component_name_list = COMPONENT_NAME_LIST self._component_name_list = COMPONENT_NAME_LIST
self._watchdog = Watchdog() self._watchdog = Watchdog()
self._eeprom = Tlv()
def __read_config_db(self):
try:
with open(CONFIG_DB_PATH, 'r') as fd:
data = json.load(fd)
return data
except IOError:
raise IOError("Unable to open config_db file !")
def __read_txt_file(self, file_path): def __read_txt_file(self, file_path):
try: try:
@ -74,12 +72,25 @@ class Chassis(ChassisBase):
A string containing the MAC address in the format A string containing the MAC address in the format
'XX:XX:XX:XX:XX:XX' 'XX:XX:XX:XX:XX:XX'
""" """
try: return self._eeprom.get_mac()
self.config_data = self.__read_config_db()
base_mac = self.config_data["DEVICE_METADATA"]["localhost"]["mac"] def get_serial_number(self):
return str(base_mac) """
except KeyError: Retrieves the hardware serial number for the chassis
return str(None) 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_firmware_version(self, component_name): def get_firmware_version(self, component_name):
""" """

View File

@ -0,0 +1,114 @@
#!/usr/bin/env python
#############################################################################
# Celestica Seastone-DX010
#
# Platform and model specific eeprom subclass, inherits from the base class,
# and provides the followings:
# - the eeprom format definition
# - specific encoder/decoder if there is special need
#############################################################################
try:
import glob
import os
import sys
import imp
import re
from array import array
from cStringIO import StringIO
from sonic_platform_base.sonic_eeprom import eeprom_dts
from sonic_platform_base.sonic_eeprom import eeprom_tlvinfo
except ImportError, e:
raise ImportError(str(e) + "- required module not found")
CACHE_ROOT = '/var/cache/sonic/decode-syseeprom'
CACHE_FILE = 'syseeprom_cache'
class Tlv(eeprom_tlvinfo.TlvInfoDecoder):
EEPROM_DECODE_HEADLINES = 6
def __init__(self):
self._eeprom_path = "/sys/class/i2c-adapter/i2c-12/12-0050/eeprom"
super(Tlv, self).__init__(self._eeprom_path, 0, '', True)
self._eeprom = self._load_eeprom()
def __parse_output(self, decode_output):
decode_output.replace('\0', '')
lines = decode_output.split('\n')
lines = lines[self.EEPROM_DECODE_HEADLINES:]
_eeprom_info_dict = dict()
for line in lines:
try:
match = re.search(
'(0x[0-9a-fA-F]{2})([\s]+[\S]+[\s]+)([\S]+)', line)
if match is not None:
idx = match.group(1)
value = match.group(3).rstrip('\0')
_eeprom_info_dict[idx] = value
except:
pass
return _eeprom_info_dict
def _load_eeprom(self):
original_stdout = sys.stdout
sys.stdout = StringIO()
err = self.read_eeprom_db()
if err:
# Failed to read EEPROM information from database. Read from cache file
pass
else:
decode_output = sys.stdout.getvalue()
sys.stdout = original_stdout
return self.__parse_output(decode_output)
status = self.check_status()
if status <> 'ok':
return False
if not os.path.exists(CACHE_ROOT):
try:
os.makedirs(CACHE_ROOT)
except:
pass
#
# only the eeprom classes that inherit from eeprom_base
# support caching. Others will work normally
#
try:
self.set_cache_name(os.path.join(CACHE_ROOT, CACHE_FILE))
except:
pass
e = self.read_eeprom()
if e is None:
return 0
try:
self.update_cache(e)
except:
pass
self.decode_eeprom(e)
decode_output = sys.stdout.getvalue()
sys.stdout = original_stdout
(is_valid, valid_crc) = self.is_checksum_valid(e)
if not is_valid:
return False
return self.__parse_output(decode_output)
def get_eeprom(self):
return self._eeprom
def get_serial(self):
return self._eeprom.get('0x23', "Undefined.")
def get_mac(self):
return self._eeprom.get('0x24', "Undefined.")

View File

@ -0,0 +1,767 @@
#!/usr/bin/env python
#############################################################################
# Celestica
#
# Sfp contains an implementation of SONiC Platform Base API and
# provides the sfp device status which are available in the platform
#
#############################################################################
import os
import time
import subprocess
import sonic_device_util
from ctypes import create_string_buffer
try:
from swsssdk import ConfigDBConnector
from sonic_platform_base.sfp_base import SfpBase
from sonic_platform_base.sonic_sfp.sfputilbase import SfpUtilBase
from sonic_platform_base.sonic_sfp.sfputilbase import sff8436Dom
except ImportError as e:
raise ImportError(str(e) + "- required module not found")
class Sfp(SfpBase, SfpUtilBase):
"""Platform-specific Sfp class"""
# Port number
PORT_START = 1
PORT_END = 32
PORTS_IN_BLOCK = 32
# Offset for values in QSFP info eeprom
QSFP_CONTROL_OFFSET = 86
QSFP_CONTROL_WIDTH = 8
QSFP_CHANNL_RX_LOS_STATUS_OFFSET = 3
QSFP_CHANNL_RX_LOS_STATUS_WIDTH = 1
QSFP_CHANNL_TX_FAULT_STATUS_OFFSET = 4
QSFP_CHANNL_TX_FAULT_STATUS_WIDTH = 1
QSFP_POWEROVERRIDE_OFFSET = 93
QSFP_POWEROVERRIDE_WIDTH = 1
# Key for values in QSFP eeprom dict
QSFP_EEPROM_TYPE_KEY = "Identifier"
QSFP_EEPROM_HW_REV_KEY = "Vendor Rev"
QSFP_EEPROM_MF_NAME_KEY = "Vendor Name"
QSFP_EEPROM_MODEL_NAME_KEY = "Vendor PN"
QSFP_EEPROM_SERIAL_KEY = "Vendor SN"
QSFP_EEPROM_CONNECTOR_KEY = "Connector"
QSFP_EEPROM_ENCODE_KEY = "Encoding"
QSFP_EEPROM_EXT_IDENT_KEY = "Extended Identifier"
QSFP_EEPROM_EXT_RATE_KEY = "Extended RateSelect Compliance"
QSFP_EEPROM_CABLE_KEY = "Length(km)"
QSFP_EEPROM_BIT_RATE_KEY = "Nominal Bit Rate(100Mbs)"
QSFP_EEPROM_SPEC_COM_KEY = "Specification compliance"
QSFP_EEPROM_DATE_KEY = "Vendor Date Code(YYYY-MM-DD Lot)"
QSFP_EEPROM_OUI_KEY = "Vendor OUI"
# Path to QSFP sysfs
RESET_PATH = "/sys/devices/platform/dx010_cpld/qsfp_reset"
LP_PATH = "/sys/devices/platform/dx010_cpld/qsfp_lpmode"
PRS_PATH = "/sys/devices/platform/dx010_cpld/qsfp_modprs"
PLATFORM_ROOT_PATH = '/usr/share/sonic/device'
_port_to_eeprom_mapping = {}
@property
def port_start(self):
return self.PORT_START
@property
def port_end(self):
return self.PORT_END
@property
def qsfp_ports(self):
return range(self.PORT_START, self.PORTS_IN_BLOCK + 1)
@property
def port_to_eeprom_mapping(self):
return self._port_to_eeprom_mapping
def _convert_string_to_num(self, value_str):
if "-inf" in value_str:
return 'N/A'
elif "Unknown" in value_str:
return 'N/A'
elif 'dBm' in value_str:
t_str = value_str.rstrip('dBm')
return float(t_str)
elif 'mA' in value_str:
t_str = value_str.rstrip('mA')
return float(t_str)
elif 'C' in value_str:
t_str = value_str.rstrip('C')
return float(t_str)
elif 'Volts' in value_str:
t_str = value_str.rstrip('Volts')
return float(t_str)
else:
return 'N/A'
def get_low_power_mode(self, port_num):
# Check for invalid port_num
if port_num < self.port_start or port_num > self.port_end:
return False
try:
reg_file = open(self.LP_PATH, "r")
content = reg_file.readline().rstrip()
except IOError as e:
print("Error: unable to open file: %s" % str(e))
return False
# content is a string containing the hex representation of the register
reg_value = int(content, 16)
# Determind if port_num start from 1 or 0
bit_index = port_num - 1 if self.port_start == 1 else port_num
# Mask off the bit corresponding to our port
mask = (1 << bit_index)
# LPMode is active high
if reg_value & mask == 0:
return False
return True
def set_low_power_mode(self, port_num, lpmode):
try:
reg_file = open(self.LP_PATH, "r+")
except IOError as e:
print("Error: unable to open file: %s" % str(e))
return False
content = reg_file.readline().rstrip()
# content is a string containing the hex representation of the register
reg_value = int(content, 16)
# Determind if port_num start from 1 or 0
bit_index = port_num - 1 if self.port_start == 1 else port_num
# Mask off the bit corresponding to our port
mask = (1 << bit_index)
# LPMode is active high; set or clear the bit accordingly
reg_value = reg_value | mask if lpmode else reg_value & ~mask
# Convert our register value back to a hex string and write back
content = hex(reg_value).strip('L')
reg_file.seek(0)
reg_file.write(content)
reg_file.close()
return True
def get_transceiver_change_event(self, timeout=0):
raise NotImplementedError
def __init__(self, sfp_index):
# Init SfpUtilBase
eeprom_path = '/sys/bus/i2c/devices/i2c-{0}/{0}-0050/eeprom'
for x in range(self.PORT_START, self.PORT_END + 1):
if self.port_start == 1:
self._port_to_eeprom_mapping[x] = eeprom_path.format(
(x - 1) + 26)
else:
self._port_to_eeprom_mapping[x] = eeprom_path.format(x + 26)
self.read_porttab_mappings(self.__get_path_to_port_config_file())
SfpUtilBase.__init__(self)
# Init index
self.index = sfp_index
self.port_num = self.index + 1
def __get_path_to_port_config_file(self):
# Get platform and hwsku
machine_info = sonic_device_util.get_machine_info()
platform = sonic_device_util.get_platform_info(machine_info)
config_db = ConfigDBConnector()
config_db.connect()
data = config_db.get_table('DEVICE_METADATA')
try:
hwsku = data['localhost']['hwsku']
except KeyError:
hwsku = "Unknown"
# Load platform module from source
platform_path = "/".join([self.PLATFORM_ROOT_PATH, platform])
hwsku_path = "/".join([platform_path, hwsku])
# First check for the presence of the new 'port_config.ini' file
port_config_file_path = "/".join([hwsku_path, "port_config.ini"])
if not os.path.isfile(port_config_file_path):
# port_config.ini doesn't exist. Try loading the legacy 'portmap.ini' file
port_config_file_path = "/".join([hwsku_path, "portmap.ini"])
return port_config_file_path
def __read_eeprom_specific_bytes(self, offset, num_bytes):
sysfsfile_eeprom = None
eeprom_raw = None
sysfs_sfp_i2c_client_eeprom_path = self.port_to_eeprom_mapping[self.port_num]
try:
sysfsfile_eeprom = open(
sysfs_sfp_i2c_client_eeprom_path, mode="rb", buffering=0)
except IOError:
print("Error: reading sysfs file %s" %
sysfs_sfp_i2c_client_eeprom_path)
finally:
if sysfsfile_eeprom:
eeprom_raw = self._read_eeprom_specific_bytes(
sysfsfile_eeprom, offset, num_bytes)
sysfsfile_eeprom.close()
return eeprom_raw
def get_transceiver_info(self):
"""
Retrieves transceiver info of this SFP
Returns:
A dict which contains following keys/values :
========================================================================
keys |Value Format |Information
---------------------------|---------------|----------------------------
type |1*255VCHAR |type of SFP
hardwarerev |1*255VCHAR |hardware version of SFP
serialnum |1*255VCHAR |serial number of the SFP
manufacturename |1*255VCHAR |SFP vendor name
modelname |1*255VCHAR |SFP model name
Connector |1*255VCHAR |connector information
encoding |1*255VCHAR |encoding information
ext_identifier |1*255VCHAR |extend identifier
ext_rateselect_compliance |1*255VCHAR |extended rateSelect compliance
cable_length |INT |cable length in m
nominal_bit_rate |INT |nominal bit rate by 100Mbs
specification_compliance |1*255VCHAR |specification compliance
vendor_date |1*255VCHAR |vendor date
vendor_oui |1*255VCHAR |vendor OUI
========================================================================
"""
transceiver_info_dict = dict()
# get eeprom data
self.eeprom_dict = self.get_eeprom_dict(self.port_num)
if self.eeprom_dict and self.eeprom_dict.get('interface'):
transceiver_info_data = self.eeprom_dict['interface'].get('data')
# set specification_compliance
spec_com = transceiver_info_data.get(
self.QSFP_EEPROM_SPEC_COM_KEY, {})
spec_com_str = "/".join(list(spec_com.values()))
# set normal transceiver info
transceiver_info_dict['type'] = transceiver_info_data.get(
self.QSFP_EEPROM_TYPE_KEY, 'N/A')
transceiver_info_dict['hardwarerev'] = transceiver_info_data.get(
self.QSFP_EEPROM_HW_REV_KEY, 'N/A')
transceiver_info_dict['manufacturename'] = transceiver_info_data.get(
self.QSFP_EEPROM_MF_NAME_KEY, 'N/A')
transceiver_info_dict['modelname'] = transceiver_info_data.get(
self.QSFP_EEPROM_MODEL_NAME_KEY, 'N/A')
transceiver_info_dict['serialnum'] = transceiver_info_data.get(
self.QSFP_EEPROM_SERIAL_KEY, 'N/A')
transceiver_info_dict['Connector'] = transceiver_info_data.get(
self.QSFP_EEPROM_CONNECTOR_KEY, 'N/A')
transceiver_info_dict['encoding'] = transceiver_info_data.get(
self.QSFP_EEPROM_ENCODE_KEY, 'N/A')
transceiver_info_dict['ext_identifier'] = transceiver_info_data.get(
self.QSFP_EEPROM_EXT_IDENT_KEY, 'N/A')
transceiver_info_dict['ext_rateselect_compliance'] = transceiver_info_data.get(
self.QSFP_EEPROM_EXT_RATE_KEY, 'N/A')
transceiver_info_dict['cable_length'] = transceiver_info_data.get(
self.QSFP_EEPROM_CABLE_KEY, 'N/A')
transceiver_info_dict['vendor_date'] = transceiver_info_data.get(
self.QSFP_EEPROM_DATE_KEY, 'N/A')
transceiver_info_dict['vendor_oui'] = transceiver_info_data.get(
self.QSFP_EEPROM_OUI_KEY, 'N/A')
transceiver_info_dict['nominal_bit_rate'] = transceiver_info_data.get(
self.QSFP_EEPROM_BIT_RATE_KEY, 'N/A')
transceiver_info_dict['specification_compliance'] = spec_com_str or "N/A"
return transceiver_info_dict
def get_transceiver_bulk_status(self):
"""
Retrieves transceiver bulk status of this SFP
Returns:
A dict which contains following keys/values :
========================================================================
keys |Value Format |Information
---------------------------|---------------|----------------------------
RX LOS |BOOLEAN |RX lost-of-signal status,
| |True if has RX los, False if not.
TX FAULT |BOOLEAN |TX fault status,
| |True if has TX fault, False if not.
Reset status |BOOLEAN |reset status,
| |True if SFP in reset, False if not.
LP mode |BOOLEAN |low power mode status,
| |True in lp mode, False if not.
TX disable |BOOLEAN |TX disable status,
| |True TX disabled, False if not.
TX disabled channel |HEX |disabled TX channles in hex,
| |bits 0 to 3 represent channel 0
| |to channel 3.
Temperature |INT |module temperature in Celsius
Voltage |INT |supply voltage in mV
TX bias |INT |TX Bias Current in mA
RX power |INT |received optical power in mW
TX power |INT |TX output power in mW
========================================================================
"""
transceiver_dom_info_dict = dict()
self.eeprom_dict = self.get_eeprom_dict(self.port_num)
if self.eeprom_dict and self.eeprom_dict.get('dom'):
transceiver_dom_data = self.eeprom_dict['dom'].get('data', {})
transceiver_dom_data_mmv = transceiver_dom_data.get(
"ModuleMonitorValues")
transceiver_dom_data_cmv = transceiver_dom_data.get(
"ChannelMonitorValues")
transceiver_dom_info_dict['temperature'] = transceiver_dom_data_mmv.get(
'Temperature', 'N/A')
transceiver_dom_info_dict['voltage'] = transceiver_dom_data_mmv.get(
'Vcc', 'N/A')
transceiver_dom_info_dict['rx1power'] = transceiver_dom_data_cmv.get(
'RX1Power', 'N/A')
transceiver_dom_info_dict['rx2power'] = transceiver_dom_data_cmv.get(
'RX2Power', 'N/A')
transceiver_dom_info_dict['rx3power'] = transceiver_dom_data_cmv.get(
'RX3Power', 'N/A')
transceiver_dom_info_dict['rx4power'] = transceiver_dom_data_cmv.get(
'RX4Power', 'N/A')
transceiver_dom_info_dict['tx1bias'] = transceiver_dom_data_cmv.get(
'TX1Bias', 'N/A')
transceiver_dom_info_dict['tx2bias'] = transceiver_dom_data_cmv.get(
'TX2Bias', 'N/A')
transceiver_dom_info_dict['tx3bias'] = transceiver_dom_data_cmv.get(
'TX3Bias', 'N/A')
transceiver_dom_info_dict['tx4bias'] = transceiver_dom_data_cmv.get(
'TX4Bias', 'N/A')
transceiver_dom_info_dict['tx1power'] = transceiver_dom_data_cmv.get(
'TX1Power', 'N/A')
transceiver_dom_info_dict['tx2power'] = transceiver_dom_data_cmv.get(
'TX2Power', 'N/A')
transceiver_dom_info_dict['tx3power'] = transceiver_dom_data_cmv.get(
'TX3Power', 'N/A')
transceiver_dom_info_dict['tx4power'] = transceiver_dom_data_cmv.get(
'TX4Power', 'N/A')
for key in transceiver_dom_info_dict:
transceiver_dom_info_dict[key] = self._convert_string_to_num(
transceiver_dom_info_dict[key])
return transceiver_dom_info_dict
def get_reset_status(self):
"""
Retrieves the reset status of SFP
Returns:
A Boolean, True if reset enabled, False if disabled
"""
try:
reg_file = open(self.RESET_PATH, "r")
except IOError as e:
print("Error: unable to open file: %s" % str(e))
return False
content = reg_file.readline().rstrip()
reg_value = int(content, 16)
bin_format = bin(reg_value)[2:].zfill(32)
return bin_format[::-1][self.index] == '0'
def get_rx_los(self):
"""
Retrieves the RX LOS (lost-of-signal) status of SFP
Returns:
A Boolean, True if SFP has RX LOS, False if not.
Note : RX LOS status is latched until a call to get_rx_los or a reset.
"""
rx_los_list = []
dom_channel_monitor_raw = self.__read_eeprom_specific_bytes(
self.QSFP_CHANNL_RX_LOS_STATUS_OFFSET, self.QSFP_CHANNL_RX_LOS_STATUS_WIDTH)
if dom_channel_monitor_raw is not None:
rx_los_data = int(dom_channel_monitor_raw[0], 16)
rx_los_list.append(rx_los_data & 0x01 != 0)
rx_los_list.append(rx_los_data & 0x02 != 0)
rx_los_list.append(rx_los_data & 0x04 != 0)
rx_los_list.append(rx_los_data & 0x08 != 0)
return rx_los_list
def get_tx_fault(self):
"""
Retrieves the TX fault status of SFP
Returns:
A Boolean, True if SFP has TX fault, False if not
Note : TX fault status is lached until a call to get_tx_fault or a reset.
"""
tx_fault_list = []
dom_channel_monitor_raw = self.__read_eeprom_specific_bytes(
self.QSFP_CHANNL_TX_FAULT_STATUS_OFFSET, self.QSFP_CHANNL_TX_FAULT_STATUS_WIDTH)
if dom_channel_monitor_raw is not None:
tx_fault_data = int(dom_channel_monitor_raw[0], 16)
tx_fault_list.append(tx_fault_data & 0x01 != 0)
tx_fault_list.append(tx_fault_data & 0x02 != 0)
tx_fault_list.append(tx_fault_data & 0x04 != 0)
tx_fault_list.append(tx_fault_data & 0x08 != 0)
return tx_fault_list
def get_tx_disable(self):
"""
Retrieves the tx_disable status of this SFP
Returns:
A Boolean, True if tx_disable is enabled, False if disabled
"""
tx_disable_list = []
sfpd_obj = sff8436Dom()
if sfpd_obj is None:
return False
dom_control_raw = self.__read_eeprom_specific_bytes(
self.QSFP_CONTROL_OFFSET, self.QSFP_CONTROL_WIDTH)
if dom_control_raw is not None:
dom_control_data = sfpd_obj.parse_control_bytes(dom_control_raw, 0)
tx_disable_list.append(
'On' == dom_control_data['data']['TX1Disable']['value'])
tx_disable_list.append(
'On' == dom_control_data['data']['TX2Disable']['value'])
tx_disable_list.append(
'On' == dom_control_data['data']['TX3Disable']['value'])
tx_disable_list.append(
'On' == dom_control_data['data']['TX4Disable']['value'])
return tx_disable_list
def get_tx_disable_channel(self):
"""
Retrieves the TX disabled channels in this SFP
Returns:
A hex of 4 bits (bit 0 to bit 3 as channel 0 to channel 3) to represent
TX channels which have been disabled in this SFP.
As an example, a returned value of 0x5 indicates that channel 0
and channel 2 have been disabled.
"""
tx_disable_list = self.get_tx_disable()
if tx_disable_list is None:
return 0
tx_disabled = 0
for i in range(len(tx_disable_list)):
if tx_disable_list[i]:
tx_disabled |= 1 << i
return tx_disabled
def get_lpmode(self):
"""
Retrieves the lpmode (low power mode) status of this SFP
Returns:
A Boolean, True if lpmode is enabled, False if disabled
"""
return self.get_low_power_mode(self.port_num)
def get_power_override(self):
"""
Retrieves the power-override status of this SFP
Returns:
A Boolean, True if power-override is enabled, False if disabled
"""
power_override = False
offset = 0
sfpd_obj = sff8436Dom()
if sfpd_obj is None:
return False
dom_control_raw = self.__read_eeprom_specific_bytes(
self.QSFP_CONTROL_OFFSET, self.QSFP_CONTROL_WIDTH)
if dom_control_raw is not None:
dom_control_data = sfpd_obj.parse_control_bytes(dom_control_raw, 0)
power_override = (
'On' == dom_control_data['data']['PowerOverride']['value'])
return power_override
def get_temperature(self):
"""
Retrieves the temperature of this SFP
Returns:
An integer number of current temperature in Celsius
"""
transceiver_dom_info_dict = self.get_transceiver_bulk_status()
return transceiver_dom_info_dict.get("temperature", "N/A")
def get_voltage(self):
"""
Retrieves the supply voltage of this SFP
Returns:
An integer number of supply voltage in mV
"""
transceiver_dom_info_dict = self.get_transceiver_bulk_status()
return transceiver_dom_info_dict.get("voltage", "N/A")
def get_tx_bias(self):
"""
Retrieves the TX bias current of this SFP
Returns:
A list of four integer numbers, representing TX bias in mA
for channel 0 to channel 4.
Ex. ['110.09', '111.12', '108.21', '112.09']
"""
transceiver_dom_info_dict = self.get_transceiver_bulk_status()
tx1_bs = transceiver_dom_info_dict.get("tx1bias", "N/A")
tx2_bs = transceiver_dom_info_dict.get("tx2bias", "N/A")
tx3_bs = transceiver_dom_info_dict.get("tx3bias", "N/A")
tx4_bs = transceiver_dom_info_dict.get("tx4bias", "N/A")
return [tx1_bs, tx2_bs, tx3_bs, tx4_bs]
def get_rx_power(self):
"""
Retrieves the received optical power for this SFP
Returns:
A list of four integer numbers, representing received optical
power in mW for channel 0 to channel 4.
Ex. ['1.77', '1.71', '1.68', '1.70']
"""
transceiver_dom_info_dict = self.get_transceiver_bulk_status()
rx1_pw = transceiver_dom_info_dict.get("rx1power", "N/A")
rx2_pw = transceiver_dom_info_dict.get("rx2power", "N/A")
rx3_pw = transceiver_dom_info_dict.get("rx3power", "N/A")
rx4_pw = transceiver_dom_info_dict.get("rx4power", "N/A")
return [rx1_pw, rx2_pw, rx3_pw, rx4_pw]
def get_tx_power(self):
"""
Retrieves the TX power of this SFP
Returns:
A list of four integer numbers, representing TX power in mW
for channel 0 to channel 4.
Ex. ['1.86', '1.86', '1.86', '1.86']
"""
transceiver_dom_info_dict = self.get_transceiver_bulk_status()
tx1_pw = transceiver_dom_info_dict.get("tx1power", "N/A")
tx2_pw = transceiver_dom_info_dict.get("tx2power", "N/A")
tx3_pw = transceiver_dom_info_dict.get("tx3power", "N/A")
tx4_pw = transceiver_dom_info_dict.get("tx4power", "N/A")
return [tx1_pw, tx2_pw, tx3_pw, tx4_pw]
def reset(self):
"""
Reset SFP and return all user module settings to their default srate.
Returns:
A boolean, True if successful, False if not
"""
# Check for invalid port_num
try:
reg_file = open(self.RESET_PATH, "r+")
except IOError as e:
print("Error: unable to open file: %s" % str(e))
return False
content = reg_file.readline().rstrip()
# File content is a string containing the hex representation of the
# register
reg_value = int(content, 16)
# Determind if port_num start from 1 or 0
bit_index = self.port_num - 1 if self.port_start == 1 else self.port_num
# Mask off the bit corresponding to our port
mask = (1 << bit_index)
# ResetL is active low
reg_value = reg_value & ~mask
# Convert our register value back to a hex string and write back
reg_file.seek(0)
reg_file.write(hex(reg_value).rstrip('L'))
reg_file.close()
# Sleep 1 second to allow it to settle
time.sleep(1)
# Flip the bit back high and write back to the register to take port out of reset
try:
reg_file = open(self.RESET_PATH, "w")
except IOError as e:
print("Error: unable to open file: %s" % str(e))
return False
reg_value = reg_value | mask
reg_file.seek(0)
reg_file.write(hex(reg_value).rstrip('L'))
reg_file.close()
return True
def tx_disable(self, tx_disable):
"""
Disable SFP TX for all channels
Args:
tx_disable : A Boolean, True to enable tx_disable mode, False to disable
tx_disable mode.
Returns:
A boolean, True if tx_disable is set successfully, False if not
"""
sysfsfile_eeprom = None
try:
tx_disable_ctl = 0xf if tx_disable else 0x0
buffer = create_string_buffer(1)
buffer[0] = chr(tx_disable_ctl)
# Write to eeprom
sysfsfile_eeprom = open(
self.port_to_eeprom_mapping[self.port_num], "r+b")
sysfsfile_eeprom.seek(self.QSFP_CONTROL_OFFSET)
sysfsfile_eeprom.write(buffer[0])
except IOError as e:
print "Error: unable to open file: %s" % str(e)
return False
finally:
if sysfsfile_eeprom is not None:
sysfsfile_eeprom.close()
time.sleep(0.01)
return True
def tx_disable_channel(self, channel, disable):
"""
Sets the tx_disable for specified SFP channels
Args:
channel : A hex of 4 bits (bit 0 to bit 3) which represent channel 0 to 3,
e.g. 0x5 for channel 0 and channel 2.
disable : A boolean, True to disable TX channels specified in channel,
False to enable
Returns:
A boolean, True if successful, False if not
"""
sysfsfile_eeprom = None
try:
channel_state = self.get_tx_disable_channel()
tx_enable_mask = [0xe, 0xd, 0xb, 0x7]
tx_disable_mask = [0x1, 0x3, 0x7, 0xf]
tx_disable_ctl = channel_state | tx_disable_mask[
channel] if disable else channel_state & tx_enable_mask[channel]
buffer = create_string_buffer(1)
buffer[0] = chr(tx_disable_ctl)
# Write to eeprom
sysfsfile_eeprom = open(
self.port_to_eeprom_mapping[self.port_num], "r+b")
sysfsfile_eeprom.seek(self.QSFP_CONTROL_OFFSET)
sysfsfile_eeprom.write(buffer[0])
except IOError as e:
print "Error: unable to open file: %s" % str(e)
return False
finally:
if sysfsfile_eeprom is not None:
sysfsfile_eeprom.close()
time.sleep(0.01)
return True
def set_lpmode(self, lpmode):
"""
Sets the lpmode (low power mode) of SFP
Args:
lpmode: A Boolean, True to enable lpmode, False to disable it
Note : lpmode can be overridden by set_power_override
Returns:
A boolean, True if lpmode is set successfully, False if not
"""
return self.set_low_power_mode(self.port_num, lpmode)
def set_power_override(self, power_override, power_set):
"""
Sets SFP power level using power_override and power_set
Args:
power_override :
A Boolean, True to override set_lpmode and use power_set
to control SFP power, False to disable SFP power control
through power_override/power_set and use set_lpmode
to control SFP power.
power_set :
Only valid when power_override is True.
A Boolean, True to set SFP to low power mode, False to set
SFP to high power mode.
Returns:
A boolean, True if power-override and power_set are set successfully,
False if not
"""
try:
power_override_bit = 0
if power_override:
power_override_bit |= 1 << 0
power_set_bit = 0
if power_set:
power_set_bit |= 1 << 1
buffer = create_string_buffer(1)
buffer[0] = chr(power_override_bit | power_set_bit)
# Write to eeprom
sysfsfile_eeprom = open(
self.port_to_eeprom_mapping[self.port_num], "r+b")
sysfsfile_eeprom.seek(self.QSFP_POWEROVERRIDE_OFFSET)
sysfsfile_eeprom.write(buffer[0])
except IOError as e:
print "Error: unable to open file: %s" % str(e)
return False
finally:
if sysfsfile_eeprom is not None:
sysfsfile_eeprom.close()
time.sleep(0.01)
return True
def get_name(self):
"""
Retrieves the name of the device
Returns:
string: The name of the device
"""
return self.logical[self.index]
def get_presence(self):
"""
Retrieves the presence of the PSU
Returns:
bool: True if PSU is present, False if not
"""
try:
reg_file = open(self.PRS_PATH, "r")
except IOError as e:
print("Error: unable to open file: %s" % str(e))
return False
content = reg_file.readline().rstrip()
reg_value = int(content, 16)
# Determind if port_num start from 1 or 0
bit_index = self.port_num - 1 if self.port_start == 1 else self.port_num
# Mask off the bit corresponding to our port
mask = (1 << bit_index)
# ModPrsL is active low
if reg_value & mask == 0:
return True
return False
def get_model(self):
"""
Retrieves the model number (or part number) of the device
Returns:
string: Model/part number of device
"""
transceiver_dom_info_dict = self.get_transceiver_bulk_status()
return transceiver_dom_info_dict.get("modelname", "N/A")
def get_serial(self):
"""
Retrieves the serial number of the device
Returns:
string: Serial number of device
"""
transceiver_dom_info_dict = self.get_transceiver_bulk_status()
return transceiver_dom_info_dict.get("serialnum", "N/A")

View File

@ -137,7 +137,7 @@ start)
# Attach 32 instances of EEPROM driver QSFP ports # Attach 32 instances of EEPROM driver QSFP ports
for ((n=26;n<=58;n++)); for ((n=26;n<=58;n++));
do do
echo sff8436 0x50 > /sys/bus/i2c/devices/i2c-$n/new_device echo optoe1 0x50 > /sys/bus/i2c/devices/i2c-$n/new_device
sleep 0.1 sleep 0.1
done done