sonic-buildimage/device/cig/x86_64-cig_cs6436_56p-r0/plugins/sfputil.py
michealylj1 bb73687514 [Device]: Add new CIG device CS6436-54P and CS5435-54P, also update code for CS6436-56P (#4157)
* Add new CIG device CS6436-54P and CS5435-54P, also update code for CS6436-56P

* security kernel update to 4.9.189 for CIG devices

* security kernel update to 4.9.189 for CIG devices

* Update rules

Update rule file
2020-02-24 10:25:25 -08:00

253 lines
6.4 KiB
Python
Executable File

#!/usr/bin/env python
try:
import time
from sonic_sfp.sfputilbase import SfpUtilBase
except ImportError, e:
raise ImportError (str(e) + "- required module not found")
class SfpUtil(SfpUtilBase):
"""Platform specific SfpUtill class"""
_port_start = 1
_port_end = 56
_qsfp_port_start = 49
_ports_in_block = 56
_port_to_eeprom_mapping = {}
_global_port_pres_dict = {}
_port_to_i2c_mapping = {
1 : 8,
2 : 9,
3 : 10,
4 : 11,
5 : 12,
6 : 13,
7 : 14,
8 : 15,
9 : 16,
10: 17,
11 : 18,
12 : 19,
13 : 20,
14 : 21,
15 : 22,
16 : 23,
17 : 24,
18 : 25,
19 : 26,
20 : 27,
21 : 28,
22 : 29,
23 : 30,
24 : 31,
25 : 32,
26 : 33,
27 : 34,
28 : 35,
29 : 36,
30 : 37,
31 : 38,
32 : 39,
33 : 40,
34 : 41,
35 : 42,
36 : 43,
37 : 44,
38 : 45,
39 : 46,
40 : 47,
41 : 48,
42 : 49,
43 : 50,
44 : 51,
45 : 52,
46 : 53,
47 : 54,
48 : 55,
49 : 56,
50 : 57,
51 : 58,
52 : 59,
53 : 60,
54 : 61,
55 : 62,
56 : 63,
}
_qsfp_ports = range(_qsfp_port_start, _ports_in_block + 1)
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
path = "/sys/bus/i2c/devices/{0}-0050/sfp_is_present"
port_ps = path.format(self._port_to_i2c_mapping[port_num])
try:
reg_file = open(port_ps)
except IOError as e:
print "Error: unable to open file: %s" % str(e)
return False
try:
reg_value = reg_file.readline().rstrip()
except IOError as e:
time.sleep(1)
try:
reg_value = reg_file.readline().rstrip()
except IOError as e:
print "Error:try again to read file failed: %s %s" % (str(e), port_ps)
reg_file.close()
return False
reg_file.close()
if reg_value == '1':
return True
reg_file.close()
if reg_value == '1':
return True
return False
def init_global_port_presence(self):
for port_num in range(self.port_start, (self.port_end + 1)):
self._global_port_pres_dict[port_num] = '0'
def __init__(self):
eeprom_path = '/sys/bus/i2c/devices/{0}-0050/sfp_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
self.init_global_port_presence()
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
path = "/sys/bus/i2c/devices/{0}-0050/sfp_port_reset"
port_ps = path.format(self._port_to_i2c_mapping[port_num])
try:
reg_file = open(port_ps, 'w')
except IOError as e:
print "Error: unable to open file: %s" % str(e)
return False
#toggle reset
reg_file.seek(0)
reg_file.write('1')
time.sleep(1)
reg_file.seek(0)
reg_file.write('0')
reg_file.close()
return True
def set_low_power_mode(self, port_num, lpmode):
# Check for invalid port_num
if port_num < self._qsfp_port_start or port_num > self._port_end:
return False
pre_value = self.get_presence(port_num)
if pre_value == False:
return False
path = "/sys/bus/i2c/devices/{0}-0050/sfp_lpmode"
port_ps = path.format(self._port_to_i2c_mapping[port_num])
try:
reg_file = open(port_ps,'w')
except IOError as e:
print "Error: unable to open file: %s" % str(e)
return False
reg_file.seek(0)
if lpmode == 1:
reg_file.write('1')
elif lpmode == 0:
reg_file.write('0')
reg_file.close()
return True
def get_low_power_mode(self, port_num):
# Check for invalid port_num
if port_num < self._qsfp_port_start or port_num > self._port_end:
return False
pre_value = self.get_presence(port_num)
if pre_value == False:
return False
path = "/sys/bus/i2c/devices/{0}-0050/sfp_lpmode"
port_ps = path.format(self._port_to_i2c_mapping[port_num])
try:
reg_file = open(port_ps)
except IOError as e:
print "Error: unable to open file:%s %s" % (str(e), port_ps)
return False
try:
reg_value = reg_file.readline().rstrip()
except IOError as e:
print "Error: unable to open file:%s %s" % (str(e), port_ps)
reg_file.close()
return False
reg_file.close()
if reg_value == '1':
return True
return False
def get_transceiver_change_event(self):
port_dict = {}
while True:
for port_num in range(self.port_start, (self.port_end + 1)):
presence = self.get_presence(port_num)
if(presence and self._global_port_pres_dict[port_num] == '0'):
self._global_port_pres_dict[port_num] = '1'
port_dict[port_num] = '1'
elif(not presence and
self._global_port_pres_dict[port_num] == '1'):
self._global_port_pres_dict[port_num] = '0'
port_dict[port_num] = '0'
if(len(port_dict) > 0):
return True, port_dict
time.sleep(0.5)
@property
def port_start(self):
return self._port_start
@property
def port_end(self):
return self._port_end
@property
def qsfp_ports(self):
return self._qsfp_ports
@property
def port_to_eeprom_mapping(self):
return self._port_to_eeprom_mapping