[Ingrasys]: Add Ingrasys S8900-64XC sfputil function and update submodule (#984)

* Add S8900-64XC SFP QSFP CPLD kernel module.
* Fixed QSFP function call in i2c_utils.sh.
* Add QSFP monitor service for SFP and QSFP SI.

Signed-off-by: Wade He <chihen.he@gmail.com>
This commit is contained in:
wadelnn 2017-09-26 08:54:17 +08:00 committed by Shuotian Cheng
parent 948f3ad3ec
commit 8143cb34f2
2 changed files with 217 additions and 68 deletions

View File

@ -1,24 +1,30 @@
#!/usr/bin/env python
import subprocess
# sfputil.py
#
# Platform-specific SFP transceiver interface for SONiC
#
try:
from sonic_sfp.sfputilbase import sfputilbase
except ImportError, e:
raise ImportError (str(e) + "- required module not found")
import time
import subprocess
from sonic_sfp.sfputilbase import SfpUtilBase
except ImportError as e:
raise ImportError("%s - required module not found" % str(e))
i2c_set = 'i2cset'
i2c_get = 'i2cget'
cpld_addr = '0x33'
mux_reg = '0x4A'
class sfputil(sfputilbase):
"""Platform specific sfputil class"""
class SfpUtil(SfpUtilBase):
"""Platform-specific SfpUtil class"""
port_start = 0
port_end = 63
ports_in_block = 64
PORT_START = 0
PORT_END = 63
QSFP_PORT_START = 48
PORTS_IN_BLOCK = 64
port_to_eeprom_mapping = {}
_port_to_eeprom_mapping = {}
port_to_i2c_mapping = {
0: [2,1],
1: [2,2],
@ -44,64 +50,207 @@ class sfputil(sfputilbase):
21: [2,22],
22: [2,23],
23: [2,24],
24: [3,1],
25: [3,2],
26: [3,3],
27: [3,4],
28: [3,5],
29: [3,6],
30: [3,7],
31: [3,8],
32: [3,9],
33: [3,10],
34: [3,11],
35: [3,12],
36: [3,13],
37: [3,14],
38: [3,15],
39: [3,16],
40: [3,17],
41: [3,18],
42: [3,19],
43: [3,20],
44: [3,21],
45: [3,22],
46: [3,23],
47: [3,24],
48: [4,1],
49: [4,2],
50: [4,3],
51: [4,4],
52: [4,5],
53: [4,6],
54: [4,7],
55: [4,8],
56: [4,9],
57: [4,10],
58: [4,11],
59: [4,12],
60: [4,13],
61: [4,14],
62: [4,15],
63: [4,16]
24: [3,25],
25: [3,26],
26: [3,27],
27: [3,28],
28: [3,29],
29: [3,30],
30: [3,31],
31: [3,32],
32: [3,33],
33: [3,34],
34: [3,35],
35: [3,36],
36: [3,37],
37: [3,38],
38: [3,39],
39: [3,40],
40: [3,41],
41: [3,42],
42: [3,43],
43: [3,44],
44: [3,45],
45: [3,46],
46: [3,47],
47: [3,48],
48: [4,49],
49: [4,50],
50: [4,51],
51: [4,52],
52: [4,53],
53: [4,54],
54: [4,55],
55: [4,56],
56: [4,57],
57: [4,58],
58: [4,59],
59: [4,60],
60: [4,61],
61: [4,62],
62: [4,63],
63: [4,64]
}
@property
def port_start(self):
return self.PORT_START
_qsfp_ports = range(0, ports_in_block + 1)
@property
def port_end(self):
return self.PORT_END
def __init__(self, port_num):
# Override port_to_eeprom_mapping for class initialization
i2c_bus = self.port_to_i2c_mapping[port_num][0]
sfp_idx = self.port_to_i2c_mapping[port_num][1]
proc = subprocess.Popen([i2c_set, '-y', str(i2c_bus), cpld_addr, mux_reg, str(sfp_idx)],
stdout=subprocess.PIPE,
shell=False,
stderr=subprocess.STDOUT)
stdout = proc.communicate()[0]
proc.wait()
@property
def qsfp_ports(self):
return range(0, self.PORTS_IN_BLOCK + 1)
eeprom_path = '/sys/class/i2c-adapter/i2c-{0[0]}/{0[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])
@property
def port_to_eeprom_mapping(self):
return self._port_to_eeprom_mapping
@property
def qsfp_port_start(self):
return self.QSFP_PORT_START
def __init__(self):
sfp_eeprom_path = '/sys/bus/i2c/devices/{0[0]}-0050/sfp{0[1]}'
qsfp_eeprom_path = '/sys/bus/i2c/devices/{0[0]}-0050/qsfp{0[1]}'
for x in range(self.port_start, self.qsfp_port_start):
port_eeprom_path = sfp_eeprom_path.format(self.port_to_i2c_mapping[x])
self.port_to_eeprom_mapping[x] = port_eeprom_path
sfputilbase.__init__(self, port_num)
for x in range(self.qsfp_port_start, self.port_end + 1):
port_eeprom_path = qsfp_eeprom_path.format(self.port_to_i2c_mapping[x])
self.port_to_eeprom_mapping[x] = port_eeprom_path
SfpUtilBase.__init__(self)
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/devices/platform/ingrasys-s8900-64xc-cpld.0/qsfp_modprs")
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)
# Mask off the bit corresponding to our port
mask = (1 << port_num)
# content is a string, either "0" or "1"
if reg_value & mask == 0:
return True
return False
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
try:
reg_file = open("/sys/devices/platform/ingrasys-s8900-64xc-cpld.0/qsfp_lpmode")
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)
# Mask off the bit corresponding to our port
mask = (1 << (port_num - self.qsfp_port_start) )
# LPMode is active high
if reg_value & mask == 0:
return False
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
try:
reg_file = open("/sys/devices/platform/ingrasys-s8900-64xc-cpld.0/qsfp_lpmode", "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)
# Mask off the bit corresponding to our port
mask = (1 << (port_num - self.qsfp_port_start) )
# LPMode is active high; set or clear the bit accordingly
if lpmode is True:
reg_value = reg_value | mask
else:
reg_value = reg_value & ~mask
# Convert our register value back to a hex string and write back
content = hex(reg_value)
reg_file.seek(0)
reg_file.write(content)
reg_file.close()
return True
def reset(self, port_num):
QSFP_RESET_REGISTER_DEVICE_FILE = "/sys/devices/platform/ingrasys-s8900-64xc-cpld.0/qsfp_reset"
# Check for invalid port_num
if port_num < self.qsfp_port_start or port_num > self.port_end:
return False
try:
reg_file = open(QSFP_RESET_REGISTER_DEVICE_FILE, "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)
# Mask off the bit corresponding to our port
mask = (1 << (port_num - self.qsfp_port_start))
# 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))
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(QSFP_RESET_REGISTER_DEVICE_FILE, "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))
reg_file.close()
return True

@ -1 +1 @@
Subproject commit 458829af29ccbaf71ddc70db292e6a468e0e564c
Subproject commit e66b8839da2180fd586aae040701faf180d59477