a6efbaed97
Modify get_psu_presence(). Move read() and close() to "try: ... except IOError:" To avoid when read port present sysfs fail. This exception will let sfputil.py to exit. So "sfputil show eeprom" can't show other port status.
137 lines
3.4 KiB
Python
Executable File
137 lines
3.4 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 sfputil class"""
|
|
|
|
port_start = 0
|
|
port_end = 31
|
|
ports_in_block = 32
|
|
|
|
port_to_eeprom_mapping = {}
|
|
port_to_i2c_mapping = {
|
|
9 : 18,
|
|
10 : 19,
|
|
11 : 20,
|
|
12 : 21,
|
|
1 : 22,
|
|
2 : 23,
|
|
3 : 24,
|
|
4 : 25,
|
|
6 : 26,
|
|
5 : 27,
|
|
8 : 28,
|
|
7 : 29,
|
|
13 : 30,
|
|
14 : 31,
|
|
15 : 32,
|
|
16 : 33,
|
|
17 : 34,
|
|
18 : 35,
|
|
19 : 36,
|
|
20 : 37,
|
|
25 : 38,
|
|
26 : 39,
|
|
27 : 40,
|
|
28 : 41,
|
|
29 : 42,
|
|
30 : 43,
|
|
31 : 44,
|
|
32 : 45,
|
|
21 : 46,
|
|
22 : 47,
|
|
23 : 48,
|
|
24 : 49,
|
|
}
|
|
|
|
_qsfp_ports = range(0, ports_in_block + 1)
|
|
|
|
def __init__(self):
|
|
# Override port_to_eeprom_mapping for class initialization
|
|
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+1])
|
|
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
|
|
|
|
path = "/sys/bus/i2c/devices/{0}-0050/sfp_port_reset"
|
|
port_ps = path.format(self.port_to_i2c_mapping[port_num+1])
|
|
|
|
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):
|
|
raise NotImplementedErro
|
|
|
|
def get_low_power_mode(self, port_num):
|
|
raise NotImplementedErro
|
|
|
|
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+1])
|
|
|
|
reg_value = '0'
|
|
try:
|
|
reg_file = open(port_ps)
|
|
reg_value = reg_file.readline().rstrip()
|
|
reg_file.close()
|
|
except IOError as e:
|
|
print "Error: unable to access file: %s" % str(e)
|
|
return False
|
|
|
|
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 qsfp_ports(self):
|
|
return range(0, self.ports_in_block + 1)
|
|
|
|
@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
|