138 lines
3.7 KiB
Python
Executable File
138 lines
3.7 KiB
Python
Executable File
# sfputil.py
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#
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# Platform-specific SFP transceiver interface for SONiC
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#
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try:
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import time
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import os
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import sys, getopt
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import commands
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from sonic_sfp.sfputilbase import SfpUtilBase
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except ImportError as e:
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raise ImportError("%s - required module not found" % str(e))
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class SfpUtil(SfpUtilBase):
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"""Platform-specific SfpUtil class"""
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PORT_START = 0
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PORT_END = 31
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PORTS_IN_BLOCK = 32
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BASE_OOM_PATH = "/sys/bus/i2c/devices/{0}-0050/"
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BASE_CPLD_PATH = "/sys/bus/i2c/devices/0-0060/"
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BASE_I2C_PATH = "/sys/bus/i2c/devices/"
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_port_to_is_present = {}
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_port_to_lp_mode = {}
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_port_to_eeprom_mapping = {}
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_port_to_i2c_mapping = {
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0: [1, 29],
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1: [2, 30],
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2: [3, 31],
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3: [4, 32],
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4: [5, 34],
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5: [6, 33],
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6: [7, 36],
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7: [8, 35],
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8: [9, 25],
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9: [10, 26],
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10: [11, 27],
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11: [12, 28],
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12: [14, 37],
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13: [15, 38],
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14: [16, 39],
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15: [17, 40],
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16: [18, 41],
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17: [19, 42],
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18: [20, 43],
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19: [21, 44],
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20: [22, 53],
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21: [23, 54],
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22: [24, 55],
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23: [25, 56],
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24: [26, 45],
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25: [27, 46],
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26: [28, 47],
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27: [29, 48],
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28: [30, 49],
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29: [31, 50],
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30: [32, 51],
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31: [33, 52],
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}
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@property
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def port_start(self):
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return self.PORT_START
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@property
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def port_end(self):
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return self.PORT_END
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@property
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def qsfp_ports(self):
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return range(self.PORT_START, self.PORTS_IN_BLOCK + 1)
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@property
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def port_to_eeprom_mapping(self):
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return self._port_to_eeprom_mapping
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def get_presence(self, port_num):
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# Check for invalid port_num
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if port_num < self.port_start or port_num > self.port_end:
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return False
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present_path = self.BASE_CPLD_PATH + "module_present_" + str(port_num+1)
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self.__port_to_is_present = present_path
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try:
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val_file = open(self.__port_to_is_present)
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except IOError as e:
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print "Error: unable to open file: %s" % str(e)
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return False
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content = val_file.readline().rstrip()
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val_file.close()
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# content is a string, either "0" or "1"
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if content == "1":
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return True
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return False
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def __init__(self):
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eeprom_path = self.BASE_I2C_PATH
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for x in range(0, self.port_end+1):
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self.port_to_eeprom_mapping[x] = eeprom_path.format(
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self._port_to_i2c_mapping[x][1]
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)
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if(x < 9):
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if(self.get_presence(x)==1):
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self.port_to_eeprom_mapping[x] = self.BASE_I2C_PATH + "0-000" +str(x+1) + "/eeprom"
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else:
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if(self.get_presence(x)==1):
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self.port_to_eeprom_mapping[x] = self.BASE_I2C_PATH + "0-00" +str(x+1)+ "/eeprom"
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SfpUtilBase.__init__(self)
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def get_low_power_mode(self, port_num):
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raise NotImplementedError
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def set_low_power_mode(self, port_num, lpmode):
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raise NotImplementedError
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def reset(self, port_num):
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if port_num < self.port_start or port_num > self.port_end:
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return False
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mod_rst_cmd = "ipmitool raw 0x34 0x11 " + str(port_num+1) + " 0x11 0x1"
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(status, output) = commands.getstatusoutput (mod_rst_cmd)
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return True
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