sonic-buildimage/device/quanta/x86_64-quanta_ix9_bwde-r0/plugins/sfputil.py
roberthong-qct 95c67d2d55
[Quanta] Add and update platform and device files (#6971)
Add device and platform code for ix7-bwde, ix8a-bwde.
Support platform API 2.0 for all quanta platforms except for ix1b

Co-authored-by: robert.hong <robert.hong@qct.io>
2021-06-21 09:24:41 -07:00

177 lines
4.5 KiB
Python

try:
import time
from sonic_sfp.sfputilbase import SfpUtilBase
except ImportError as e:
raise ImportError(str(e) + "- required module not found")
class SfpUtil(SfpUtilBase):
"""Platform specific SfpUtill class"""
_port_start = 1
_port_end = 32
ports_in_block = 32
_port_to_eeprom_mapping = {}
port_to_i2c_mapping = {
1 : 13,
2 : 14,
3 : 15,
4 : 16,
5 : 17,
6 : 18,
7 : 19,
8 : 20,
9 : 21,
10 : 22,
11 : 23,
12 : 24,
13 : 25,
14 : 26,
15 : 27,
16 : 28,
17 : 29,
18 : 30,
19 : 31,
20 : 32,
21 : 33,
22 : 34,
23 : 35,
24 : 36,
25 : 37,
26 : 38,
27 : 39,
28 : 40,
29 : 41,
30 : 42,
31 : 43,
32 : 44,
}
_qsfp_ports = range(1, ports_in_block + 1)
def __init__(self):
eeprom_path = '/sys/bus/i2c/devices/{0}-0050/eeprom'
for x in range(self.port_start, self.port_end + 1):
port_eeprom_path = eeprom_path.format(self.port_to_i2c_mapping[x])
self._port_to_eeprom_mapping[x] = port_eeprom_path
SfpUtilBase.__init__(self)
def reset(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("/sys/class/cpld-qsfpdd/port-"+str(port_num)+"/reset", "r+")
except IOError as e:
print("Error: unable to open file: %s" % str(e))
return False
reg_value = 0
reg_file.write(hex(reg_value))
reg_file.close()
# Sleep 2 second to allow it to settle
time.sleep(2)
# Flip the value back write back to the register to take port out of reset
try:
reg_file = open("/sys/class/cpld-qsfpdd/port-"+str(port_num)+"/reset", "r+")
except IOError as e:
print("Error: unable to open file: %s" % str(e))
return False
reg_value = 1
reg_file.write(hex(reg_value))
reg_file.close()
return True
def set_low_power_mode(self, port_num, lpmode):
# Check for invalid port_num
if port_num < self.port_start or port_num > self.port_end:
return False
try:
reg_file = open("/sys/class/cpld-qsfpdd/port-"+str(port_num)+"/lpmode", "r+")
except IOError as e:
print("Error: unable to open file: %s" % str(e))
return False
reg_value = int(reg_file.readline().rstrip())
# LPMode is active high; set or clear the bit accordingly
if lpmode is True:
reg_value = 1
else:
reg_value = 0
reg_file.write(hex(reg_value))
reg_file.close()
return True
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("/sys/class/cpld-qsfpdd/port-"+str(port_num)+"/lpmode")
except IOError as e:
print("Error: unable to open file: %s" % str(e))
return False
reg_value = int(reg_file.readline().rstrip())
if reg_value == 0:
return False
return True
def get_presence(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("/sys/class/cpld-qsfpdd/port-"+str(port_num)+"/module_present")
except IOError as e:
print("Error: unable to open file: %s" % str(e))
return False
reg_value = reg_file.readline().rstrip()
if reg_value == '1':
return True
return False
@property
def port_start(self):
return self._port_start
@property
def port_end(self):
return self._port_end
@property
def osfp_ports(self):
return range(self.port_start, self.ports_in_block + 1)
@property
def qsfp_ports(self):
return {}
@property
def port_to_eeprom_mapping(self):
return self._port_to_eeprom_mapping
def get_transceiver_change_event(self):
"""
TODO: This function need to be implemented
when decide to support monitoring SFP(Xcvrd)
on this platform.
"""
raise NotImplementedError