From 8143cb34f23abba3396bc9c8499f697a9a8a05bf Mon Sep 17 00:00:00 2001 From: wadelnn Date: Tue, 26 Sep 2017 08:54:17 +0800 Subject: [PATCH] [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 --- .../plugins/sfputil.py | 283 +++++++++++++----- .../broadcom/sonic-platform-modules-ingrasys | 2 +- 2 files changed, 217 insertions(+), 68 deletions(-) diff --git a/device/ingrasys/x86_64-ingrasys_s8900_64xc-r0/plugins/sfputil.py b/device/ingrasys/x86_64-ingrasys_s8900_64xc-r0/plugins/sfputil.py index d6573d20d72f..0b1ae8d3bc8e 100644 --- a/device/ingrasys/x86_64-ingrasys_s8900_64xc-r0/plugins/sfputil.py +++ b/device/ingrasys/x86_64-ingrasys_s8900_64xc-r0/plugins/sfputil.py @@ -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 + + @property + def port_end(self): + return self.PORT_END - _qsfp_ports = range(0, ports_in_block + 1) + @property + def qsfp_ports(self): + return range(0, self.PORTS_IN_BLOCK + 1) - 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 port_to_eeprom_mapping(self): + return self._port_to_eeprom_mapping - 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 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 + 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, port_num) + + 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 diff --git a/platform/broadcom/sonic-platform-modules-ingrasys b/platform/broadcom/sonic-platform-modules-ingrasys index 458829af29cc..e66b8839da21 160000 --- a/platform/broadcom/sonic-platform-modules-ingrasys +++ b/platform/broadcom/sonic-platform-modules-ingrasys @@ -1 +1 @@ -Subproject commit 458829af29ccbaf71ddc70db292e6a468e0e564c +Subproject commit e66b8839da2180fd586aae040701faf180d59477