def _load_device_eeprom(self):
"""
Reads the Fan/PSU EEPROM and interprets as per the specified format
"""
self.serial_number = 'NA'
self.model_str = 'NA'
# device eeproms use proprietary format
try:
# Read Fan/PSU EEPROM as per the specified format.
self.eeprom_data = EepromDecoder.read_eeprom(self)
except Exception as e:
return
if self.eeprom_data[0] == 255:
return
(valid, data) = self._get_eeprom_field("Model")
if valid:
self.model_str = data.decode()
try:
(valid, data) = self._get_eeprom_field("Serial Number")
if valid:
self.serial_number = data.decode()
except Exception as e:
return
def _load_device_eeprom(self):
"""
Reads the Fan/PSU EEPROM and retrieves the serial number and
model number of the device.
"""
try:
# Read Fan/PSU EEPROM as per the specified format.
self.eeprom_data = EepromDecoder.read_eeprom(self)
except:
self.serial_number = 'NA'
self.part_number = 'NA'
else:
(valid, data) = self._get_eeprom_field("PPID")
if valid:
ppid = data
self.serial_number = (ppid[:2] + "-" + ppid[2:8] + "-" +
ppid[8:13] + "-" + ppid[13:16] + "-" +
ppid[16:])
(valid, data) = self._get_eeprom_field("DPN Rev")
if valid:
self.serial_number += "-" + data
else:
seld.serial_number = 'NA'
(valid, data) = self._get_eeprom_field("Part Number")
if valid:
self.part_number = data
else:
self.part_number = 'NA'
def _load_device_eeprom(self):
"""
Reads the Fan/PSU EEPROM and retrieves the serial number and
model number of the device.
"""
try:
# Read Fan/PSU EEPROM as per the specified format.
self.eeprom_data = EepromDecoder.read_eeprom(self)
except Exception as e:
self.serial_number = 'NA'
self.part_number = 'NA'
self.model_str = 'NA'
self.serial = 'NA'
else:
(valid, data) = self._get_eeprom_field("Model")
if valid:
self.model_str = data
else:
self.model_str = 'NA'
(valid, data) = self._get_eeprom_field("Serial Number")
if valid:
self.serial_number = data
else:
self.serial_number = 'NA'
if self.is_psu_eeprom:
(valid, data) = self._get_eeprom_field("PSU Type")
if valid:
self.psu_type = data
else:
self.psu_type = 'NA'
else:
(valid, data) = self._get_eeprom_field("Fan Type")
if valid:
self.fan_type = data
else:
self.fan_type = 'NA'
def _load_device_eeprom(self):
"""
Reads the Fan/PSU EEPROM and interprets as per the specified format
"""
self.serial_number = 'NA'
self.part_number = 'NA'
self.model_str = 'NA'
self.service_tag = 'NA'
self.mfg_date = 'NA'
# PSU device eeproms use proprietary format
if self.is_psu_eeprom:
try:
# Read Fan/PSU EEPROM as per the specified format.
self.eeprom_data = EepromDecoder.read_eeprom(self)
except Exception as e:
return
# Bail out if PSU eeprom unavailable
if self.eeprom_data[0] == 255:
return
(valid, data) = self._get_eeprom_field("Model")
if valid:
self.model_str = data.decode()
(valid, data) = self._get_eeprom_field("Part Number")
if valid:
self.part_number = data.decode()
# Early PSU device eeproms were not programmed with serial #
try:
(valid, data) = self._get_eeprom_field("Serial Number")
if valid:
self.serial_number = data.decode()
except Exception as e:
return
# Fan device eeproms use ONIE TLV format
else:
try:
# Read Fan EEPROM as per ONIE TlvInfo EEPROM format.
self.eeprom_data = self.read_eeprom()
except Exception as e:
return
eeprom = self.eeprom_data
if not self.is_valid_tlvinfo_header(eeprom):
return
total_length = (eeprom[9] << 8) | eeprom[10]
tlv_index = self._TLV_INFO_HDR_LEN
tlv_end = self._TLV_INFO_HDR_LEN + total_length
# Construct dictionary of eeprom TLV entries
self.eeprom_tlv_dict = dict()
while (tlv_index + 2) < len(eeprom) and tlv_index < tlv_end:
if not self.is_valid_tlv(eeprom[tlv_index:]):
break
tlv = eeprom[tlv_index:tlv_index + 2
+ eeprom[tlv_index + 1]]
code = "0x%02X" % (tlv[0])
name, value = self.decoder(None, tlv)
self.eeprom_tlv_dict[code] = value
if eeprom[tlv_index] == self._TLV_CODE_CRC_32:
break
tlv_index += eeprom[tlv_index+1] + 2
self.serial_number = self.eeprom_tlv_dict.get(
"0x%X" % (self._TLV_CODE_SERIAL_NUMBER), 'NA')
self.part_number = self.eeprom_tlv_dict.get(
"0x%X" % (self._TLV_CODE_PART_NUMBER), 'NA')
self.model_str = self.eeprom_tlv_dict.get(
"0x%X" % (self._TLV_CODE_PRODUCT_NAME), 'NA')
self.service_tag = self.eeprom_tlv_dict.get(
"0x%X" % (self._TLV_CODE_SERVICE_TAG), 'NA')