[device/celestica]: Implement thermal base API based on the new platform API

device/celestica/x86_64-cel_e1031-r0/sensors.conf

@@ -5,21 +5,28 @@
 bus "i2c-3" "i2c-0-mux (chan_id 1)"
 bus "i2c-11" "i2c-8-mux (chan_id 1)"
 
-chip "max6697-i2c-3-1a"
-        label temp1 "CPU board temperature sensor : 1"
-        label temp2 "CPU board temperature sensor : 2"
-        label temp3 "CPU board temperature sensor : 3"
+chip "max6699-i2c-3-1a"
+        label temp2 "CPU board temperature sensor : 1"
+        label temp3 "CPU board temperature sensor : 2"
+        set temp2_max 90
+        set temp3_max 90
+        ignore temp1
         ignore temp4
         ignore temp5
         ignore temp6
         ignore temp7
 
-chip "max6697-i2c-11-1a"
-        label temp1 "Main board temperature sensor : 1"
-        label temp2 "Main board temperature sensor : 2"
-        label temp3 "Main board temperature sensor : 3"
-        label temp4 "Main board temperature sensor : 4"
-        label temp5 "Main board temperature sensor : 5"
+chip "max6699-i2c-11-1a"
+        label temp1 "Rear  panel-Inlet ambient sensor"
+        label temp2 "Rear  panel-Helix shutdown sensor"
+        label temp3 "Front panel-Inlet ambient sensor (right)"
+        label temp4 "Front panel-Helix shutdown sensor"
+        label temp5 "Front panel-Inlet ambient sensor (left)"
+        set temp1_max 55
+        set temp2_max 85
+        set temp3_max 55
+        set temp4_max 85
+        set temp5_max 55
         ignore temp6
         ignore temp7
 

device/celestica/x86_64-cel_e1031-r0/sonic_platform/chassis.py

@@ -20,11 +20,13 @@
     from sonic_platform.psu import Psu
     from sonic_platform.component import Component
     from sonic_platform.watchdog import Watchdog
+    from sonic_platform.thermal import Thermal
 except ImportError as e:
     raise ImportError(str(e) + "- required module not found")
 
 NUM_FAN = 3
 NUM_PSU = 2
+NUM_THERMAL = 7
 CONFIG_DB_PATH = "/etc/sonic/config_db.json"
 RESET_REGISTER = "0x112"
 REBOOT_CAUSE_PATH = "/host/reboot-cause/previous-reboot-cause.txt"
@@ -42,6 +44,9 @@ def __init__(self):
         for index in range(0, NUM_PSU):
             psu = Psu(index)
             self._psu_list.append(psu)
+        for index in range(0, NUM_THERMAL):
+            thermal = Thermal(index)
+            self._thermal_list.append(thermal)
         ChassisBase.__init__(self)
         self._component_name_list = COMPONENT_NAME_LIST
         self._watchdog = Watchdog()
@@ -125,6 +130,7 @@ def get_reboot_cause(self):
 
         if sw_reboot_cause != "Unexpected reboot":
             reboot_cause = self.REBOOT_CAUSE_NON_HARDWARE
+            description = sw_reboot_cause
         elif hw_reboot_cause == "0x11":
             reboot_cause = self.REBOOT_CAUSE_POWER_LOSS
         elif hw_reboot_cause == "0x33" or hw_reboot_cause == "0x55":

device/celestica/x86_64-cel_e1031-r0/sonic_platform/thermal.py

@@ -0,0 +1,166 @@
+#!/usr/bin/env python
+
+#############################################################################
+# Celestica
+#
+# Thermal contains an implementation of SONiC Platform Base API and
+# provides the thermal device status which are available in the platform
+#
+#############################################################################
+
+import os
+import re
+import os.path
+
+try:
+    from sonic_platform_base.thermal_base import ThermalBase
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+
+class Thermal(ThermalBase):
+    """Platform-specific Thermal class"""
+
+    THERMAL_NAME_LIST = []
+    MAINBOARD_SS_PATH = "/sys/class/i2c-adapter/i2c-11/11-001a/hwmon/"
+    CPUBOARD_SS_PATH = "/sys/class/i2c-adapter/i2c-3/3-001a/hwmon/"
+    SS_CONFIG_PATH = "/usr/share/sonic/device/x86_64-cel_e1031-r0/sensors.conf"
+
+    def __init__(self, thermal_index):
+        self.index = thermal_index
+
+        # Add thermal name
+        self.THERMAL_NAME_LIST.append("Rear  panel-Inlet ambient sensor")
+        self.THERMAL_NAME_LIST.append("Rear  panel-Helix shutdown sensor")
+        self.THERMAL_NAME_LIST.append(
+            "Front panel-Inlet ambient sensor (right)")
+        self.THERMAL_NAME_LIST.append("Front panel-Helix shutdown sensor")
+        self.THERMAL_NAME_LIST.append(
+            "Front panel-Inlet ambient sensor (left)")
+        self.THERMAL_NAME_LIST.append("CPU board temperature sensor : 1")
+        self.THERMAL_NAME_LIST.append("CPU board temperature sensor : 2")
+
+        # Set hwmon path
+        self.ss_index, self.ss_path = self.__get_ss_info(self.index)
+        self.ss_key = self.THERMAL_NAME_LIST[self.index]
+        self.hwmon_name = os.listdir(self.ss_path)[0]
+        self.hwmon_path = os.path.join(self.ss_path, self.hwmon_name)
+
+    def __get_ss_info(self, index):
+        if self.index <= 4:
+            ss_path = self.MAINBOARD_SS_PATH
+            ss_index = index+1
+        else:
+            ss_path = self.CPUBOARD_SS_PATH
+            ss_index = index-3
+        return ss_index, ss_path
+
+    def __read_txt_file(self, file_path):
+        try:
+            with open(file_path, 'r') as fd:
+                data = fd.read()
+                return data.strip()
+        except IOError:
+            raise IOError("Unable to open %s file !" % file_path)
+
+    def __get_temp(self, temp_file):
+        temp_file_path = os.path.join(self.hwmon_path, temp_file)
+        raw_temp = self.__read_txt_file(temp_file_path)
+        temp = float(raw_temp)/1000
+        return "{:.3f}".format(temp)
+
+    def __set_threshold(self, file_name, temperature):
+        temp_file_path = os.path.join(self.hwmon_path, file_name)
+        try:
+            with open(temp_file_path, 'w') as fd:
+                fd.write(str(temperature))
+            return True
+        except IOError:
+            return False
+
+    def get_temperature(self):
+        """
+        Retrieves current temperature reading from thermal
+        Returns:
+            A float number of current temperature in Celsius up to nearest thousandth
+            of one degree Celsius, e.g. 30.125
+        """
+        temp_file = "temp{}_input".format(self.ss_index)
+        return self.__get_temp(temp_file)
+
+    def get_high_threshold(self):
+        """
+        Retrieves the high threshold temperature of thermal
+        Returns:
+            A float number, the high threshold temperature of thermal in Celsius
+            up to nearest thousandth of one degree Celsius, e.g. 30.125
+        """
+        temp_file = "temp{}_max".format(self.ss_index)
+        return self.__get_temp(temp_file)
+
+    def set_high_threshold(self, temperature):
+        """
+        Sets the high threshold temperature of thermal
+        Args :
+            temperature: A float number up to nearest thousandth of one degree Celsius,
+            e.g. 30.125
+        Returns:
+            A boolean, True if threshold is set successfully, False if not
+        """
+        temp_file = "temp{}_max".format(self.ss_index)
+        is_set = self.__set_threshold(temp_file, int(temperature*1000))
+        file_set = False
+        if is_set:
+            try:
+                with open(self.SS_CONFIG_PATH, 'r+') as f:
+                    content = f.readlines()
+                    f.seek(0)
+                    ss_found = False
+                    for idx, val in enumerate(content):
+                        if self.ss_key in val:
+                            ss_found = True
+                        elif ss_found and temp_file in val:
+                            content[idx] = "        set {} {}\n".format(
+                                temp_file, temperature)
+                            f.writelines(content)
+                            file_set = True
+                            break
+            except IOError:
+                file_set = False
+
+        return is_set & file_set
+
+    def get_name(self):
+        """
+        Retrieves the name of the thermal device
+            Returns:
+            string: The name of the thermal device
+        """
+        return self.THERMAL_NAME_LIST[self.index]
+
+    def get_presence(self):
+        """
+        Retrieves the presence of the PSU
+        Returns:
+            bool: True if PSU is present, False if not
+        """
+        temp_file = "temp{}_input".format(self.ss_index)
+        temp_file_path = os.path.join(self.hwmon_path, temp_file)
+        return os.path.isfile(temp_file_path)
+
+    def get_status(self):
+        """
+        Retrieves the operational status of the device
+        Returns:
+            A boolean value, True if device is operating properly, False if not
+        """
+        if not self.get_presence():
+            return False
+
+        fault_file = "temp{}_fault".format(self.ss_index)
+        fault_file_path = os.path.join(self.hwmon_path, fault_file)
+        if not os.path.isfile(fault_file_path):
+            return True
+
+        raw_txt = self.__read_txt_file(fault_file_path)
+        return int(raw_txt) == 0

device/celestica/x86_64-cel_seastone-r0/sensors.conf

@@ -39,29 +39,24 @@ chip "dps460-i2c-*-5b"
 # These sensors located on Main Switch Board.
 chip "lm75b-i2c-*-48"
     label temp1 "Front-panel temp sensor 1"
-    set temp1_max 43
-    set temp1_max_hyst 28
+    set temp1_max 50
 
 chip "lm75b-i2c-*-49"
     label temp1 "Front-panel temp sensor 2"
-    set temp1_max 43
-    set temp1_max_hyst 28
+    set temp1_max 50
 
 chip "lm75b-i2c-*-4a"
     label temp1 "ASIC temp sensor"
-    set temp1_max 43
-    set temp1_max_hyst 28
+    set temp1_max 70
 
 # These sensors located on CPU Board.
 chip "lm75b-i2c-*-48"
     label temp1 "Rear-panel temp sensor 1"
-    set temp1_max 43
-    set temp1_max_hyst 28
+    set temp1_max 70
 
 chip "lm75b-i2c-*-4e"
     label temp1 "Rear-panel temp sensor 2"
-    set temp1_max 43
-    set temp1_max_hyst 28
+    set temp1_max 70
 
 chip "emc2305-i2c-*-2e"
     label fan2 "fan1"

device/celestica/x86_64-cel_seastone-r0/sonic_platform/chassis.py

@@ -20,12 +20,14 @@
     from sonic_platform.psu import Psu
     from sonic_platform.component import Component
     from sonic_platform.watchdog import Watchdog
+    from sonic_platform.thermal import Thermal
 except ImportError as e:
     raise ImportError(str(e) + "- required module not found")
 
 CONFIG_DB_PATH = "/etc/sonic/config_db.json"
 NUM_FAN = 5
 NUM_PSU = 2
+NUM_THERMAL = 5
 RESET_REGISTER = "0x103"
 REBOOT_CAUSE_PATH = "/host/reboot-cause/previous-reboot-cause.txt"
 COMPONENT_NAME_LIST = ["CPLD1", "CPLD2", "CPLD3", "CPLD4", "BIOS"]
@@ -42,6 +44,9 @@ def __init__(self):
         for index in range(0, NUM_PSU):
             psu = Psu(index)
             self._psu_list.append(psu)
+        for index in range(0, NUM_THERMAL):
+            thermal = Thermal(index)
+            self._thermal_list.append(thermal)
         ChassisBase.__init__(self)
         self._component_name_list = COMPONENT_NAME_LIST
         self._watchdog = Watchdog()