[Mellanox] Fix issues found for CMIS host management

platform/mellanox/mlnx-platform-api/sonic_platform/sfp.py

@@ -327,17 +327,10 @@ def get_presence(self):
         Returns:
             bool: True if device is present, False if not
         """
-        if DeviceDataManager.is_independent_mode():
-            if utils.read_int_from_file(f'/sys/module/sx_core/asic0/module{self.sdk_index}/control') != 0:
-                if not utils.read_int_from_file(f'/sys/module/sx_core/asic0/module{self.sdk_index}/hw_present'):
-                    return False
-                if not utils.read_int_from_file(f'/sys/module/sx_core/asic0/module{self.sdk_index}/power_good'):
-                    return False
-                if not utils.read_int_from_file(f'/sys/module/sx_core/asic0/module{self.sdk_index}/power_on'):
-                    return False
-                if utils.read_int_from_file(f'/sys/module/sx_core/asic0/module{self.sdk_index}/hw_reset') == 1:
-                    return False
-
+        try:
+            self.is_sw_control()
+        except:
+            return False
         eeprom_raw = self._read_eeprom(0, 1, log_on_error=False)
         return eeprom_raw is not None
 
@@ -877,6 +870,13 @@ def get_tx_fault(self):
         return [False] * api.NUM_CHANNELS if api else None
 
     def get_temperature(self):
+        """Get SFP temperature
+
+        Returns:
+            None if there is an error (sysfs does not exist or sysfs return None or module EEPROM not readable)
+            0.0 if module temperature is not supported or module is under initialization
+            other float value if module temperature is available
+        """
         try:
             if not self.is_sw_control():
                 temp_file = f'/sys/module/sx_core/asic0/module{self.sdk_index}/temperature/input'
@@ -893,59 +893,68 @@ def get_temperature(self):
         temperature = super().get_temperature()
         return temperature if temperature is not None else None
 
-    def get_temperature_warning_threashold(self):
+    def get_temperature_warning_threshold(self):
         """Get temperature warning threshold
 
         Returns:
-            int: temperature warning threshold
+            None if there is an error (module EEPROM not readable)
+            0.0 if warning threshold is not supported or module is under initialization
+            other float value if warning threshold is available
         """
         try:
-            if not self.is_sw_control():
-                emergency = utils.read_int_from_file(f'/sys/module/sx_core/asic0/module{self.sdk_index}/temperature/emergency',
-                                                     log_func=None,
-                                                     default=None)
-                return emergency / SFP_TEMPERATURE_SCALE if emergency is not None else SFP_DEFAULT_TEMP_WARNNING_THRESHOLD
+            self.is_sw_control()
         except:
-            return SFP_DEFAULT_TEMP_WARNNING_THRESHOLD
-
-        thresh = self._get_temperature_threshold()
-        if thresh and consts.TEMP_HIGH_WARNING_FIELD in thresh:
-            return thresh[consts.TEMP_HIGH_WARNING_FIELD]
-        return SFP_DEFAULT_TEMP_WARNNING_THRESHOLD
+            return 0.0
+
+        support, thresh = self._get_temperature_threshold()
+        if support is None or thresh is None:
+            # Failed to read from EEPROM
+            return None
+        if support is False:
+            # Do not support
+            return 0.0
+        return thresh.get(consts.TEMP_HIGH_WARNING_FIELD, SFP_DEFAULT_TEMP_WARNNING_THRESHOLD)
 
-    def get_temperature_critical_threashold(self):
+    def get_temperature_critical_threshold(self):
         """Get temperature critical threshold
 
         Returns:
-            int: temperature critical threshold
+            None if there is an error (module EEPROM not readable)
+            0.0 if critical threshold is not supported or module is under initialization
+            other float value if critical threshold is available
         """
         try:
-            if not self.is_sw_control():
-                critical = utils.read_int_from_file(f'/sys/module/sx_core/asic0/module{self.sdk_index}/temperature/critical',
-                                                    log_func=None,
-                                                    default=None)
-                return critical / SFP_TEMPERATURE_SCALE if critical is not None else SFP_DEFAULT_TEMP_CRITICAL_THRESHOLD
+            self.is_sw_control()
         except:
-            return SFP_DEFAULT_TEMP_CRITICAL_THRESHOLD
+            return 0.0
 
-        thresh = self._get_temperature_threshold()
-        if thresh and consts.TEMP_HIGH_ALARM_FIELD in thresh:
-            return thresh[consts.TEMP_HIGH_ALARM_FIELD]
-        return SFP_DEFAULT_TEMP_CRITICAL_THRESHOLD
+        support, thresh = self._get_temperature_threshold()
+        if support is None or thresh is None:
+            # Failed to read from EEPROM
+            return None
+        if support is False:
+            # Do not support
+            return 0.0
+        return thresh.get(consts.TEMP_HIGH_ALARM_FIELD, SFP_DEFAULT_TEMP_CRITICAL_THRESHOLD)
 
     def _get_temperature_threshold(self):
+        """Get temperature thresholds data from EEPROM
+
+        Returns:
+            tuple: (support, thresh_dict)
+        """
         self.reinit()
         api = self.get_xcvr_api()
         if not api:
-            return None
+            return None, None
 
         thresh_support = api.get_transceiver_thresholds_support()
         if thresh_support:
             if isinstance(api, sff8636.Sff8636Api) or isinstance(api, sff8436.Sff8436Api):
-                return api.xcvr_eeprom.read(consts.TEMP_THRESHOLDS_FIELD)
-            return api.xcvr_eeprom.read(consts.THRESHOLDS_FIELD)
+                return thresh_support, api.xcvr_eeprom.read(consts.TEMP_THRESHOLDS_FIELD)
+            return thresh_support, api.xcvr_eeprom.read(consts.THRESHOLDS_FIELD)
         else:
-            return None
+            return thresh_support, {}
 
     def get_xcvr_api(self):
         """
@@ -964,17 +973,22 @@ def get_xcvr_api(self):
     def is_sw_control(self):
         if not DeviceDataManager.is_independent_mode():
             return False
-
+        
         db = utils.DbUtils.get_db_instance('STATE_DB')
         logical_port = NvidiaSFPCommon.get_logical_port_by_sfp_index(self.sdk_index)
         if not logical_port:
-            raise Exception(f'Module {self.sdk_index} is not present or in initialization')
+            raise Exception(f'Module {self.sdk_index} is not present or under initialization')
 
         initialized = db.exists('STATE_DB', f'TRANSCEIVER_STATUS|{logical_port}')
         if not initialized:
-            raise Exception(f'Module {self.sdk_index} is not present or in initialization')
+            raise Exception(f'Module {self.sdk_index} is not present or under initialization')
 
-        return utils.read_int_from_file(f'/sys/module/sx_core/asic0/module{self.sdk_index}/control') == 1
+        try:
+            return utils.read_int_from_file(f'/sys/module/sx_core/asic0/module{self.sdk_index}/control', 
+                                            raise_exception=True, log_func=None) == 1
+        except:
+            # just in case control file does not exist
+            raise Exception(f'Module {self.sdk_index} is under initialization')
 
 
 class RJ45Port(NvidiaSFPCommon):

platform/mellanox/mlnx-platform-api/sonic_platform/thermal.py

@@ -431,7 +431,8 @@ def get_temperature(self):
             A float number of current temperature in Celsius up to nearest thousandth
             of one degree Celsius, e.g. 30.125
         """
-        return self.sfp.get_temperature()
+        value = self.sfp.get_temperature()
+        return value if (value != 0.0 and value is not None) else None
 
     def get_high_threshold(self):
         """
@@ -441,7 +442,8 @@ def get_high_threshold(self):
             A float number, the high threshold temperature of thermal in Celsius
             up to nearest thousandth of one degree Celsius, e.g. 30.125
         """
-        return self.sfp.get_temperature_warning_threashold()
+        value = self.sfp.get_temperature_warning_threshold()
+        return value if (value != 0.0 and value is not None) else None
 
     def get_high_critical_threshold(self):
         """
@@ -451,7 +453,8 @@ def get_high_critical_threshold(self):
             A float number, the high critical threshold temperature of thermal in Celsius
             up to nearest thousandth of one degree Celsius, e.g. 30.125
         """
-        return self.sfp.get_temperature_critical_threashold()
+        value = self.sfp.get_temperature_critical_threshold()
+        return value if (value != 0.0 and value is not None) else None
 
     def get_position_in_parent(self):
         """

platform/mellanox/mlnx-platform-api/sonic_platform/thermal_manager.py

@@ -46,5 +46,5 @@ def deinitialize(cls):
         is a no-op.
         :return:
         """
-        if DeviceDataManager.is_independent_mode():
+        if DeviceDataManager.is_independent_mode() and cls.thermal_updater_task:
             cls.thermal_updater_task.stop()

platform/mellanox/mlnx-platform-api/sonic_platform/thermal_updater.py

@@ -56,7 +56,7 @@ def __init__(self, sfp_list):
     def load_tc_config(self):
         asic_poll_interval = 1
         sfp_poll_interval = 10
-        data = utils.load_json_file(TC_CONFIG_FILE)
+        data = utils.load_json_file(TC_CONFIG_FILE, log_func=None)
         if not data:
             logger.log_notice(f'{TC_CONFIG_FILE} does not exist, use default polling interval')
 
@@ -108,7 +108,7 @@ def clean_thermal_data(self):
 
     def wait_all_sfp_ready(self):
         logger.log_notice('Waiting for all SFP modules ready...')
-        max_wait_time = 60
+        max_wait_time = 300
         ready_set = set()
         while len(ready_set) != len(self._sfp_list):
             for sfp in self._sfp_list:
@@ -129,11 +129,11 @@ def get_asic_temp(self):
         temperature = utils.read_int_from_file('/sys/module/sx_core/asic0/temperature/input', default=None)
         return temperature * ASIC_TEMPERATURE_SCALE if temperature is not None else None
 
-    def get_asic_temp_warning_threashold(self):
+    def get_asic_temp_warning_threshold(self):
         emergency = utils.read_int_from_file('/sys/module/sx_core/asic0/temperature/emergency', default=None, log_func=None)
         return emergency * ASIC_TEMPERATURE_SCALE if emergency is not None else ASIC_DEFAULT_TEMP_WARNNING_THRESHOLD
 
-    def get_asic_temp_critical_threashold(self):
+    def get_asic_temp_critical_threshold(self):
         critical = utils.read_int_from_file('/sys/module/sx_core/asic0/temperature/critical', default=None, log_func=None)
         return critical * ASIC_TEMPERATURE_SCALE if  critical is not None else ASIC_DEFAULT_TEMP_CRITICAL_THRESHOLD
 
@@ -148,19 +148,19 @@ def update_single_module(self, sfp):
                     critical_thresh = 0
                     fault = 0
                 else:
-                    warning_thresh = sfp.get_temperature_warning_threashold()
-                    critical_thresh = sfp.get_temperature_critical_threashold()
+                    warning_thresh = sfp.get_temperature_warning_threshold()
+                    critical_thresh = sfp.get_temperature_critical_threshold()
                     fault = ERROR_READ_THERMAL_DATA if (temperature is None or warning_thresh is None or critical_thresh is None) else 0
-                    temperature = 0 if temperature is None else int(temperature * SFP_TEMPERATURE_SCALE)
-                    warning_thresh = 0 if warning_thresh is None else int(warning_thresh * SFP_TEMPERATURE_SCALE)
-                    critical_thresh = 0 if critical_thresh is None else int(critical_thresh * SFP_TEMPERATURE_SCALE)
+                    temperature = 0 if temperature is None else temperature * SFP_TEMPERATURE_SCALE
+                    warning_thresh = 0 if warning_thresh is None else warning_thresh * SFP_TEMPERATURE_SCALE
+                    critical_thresh = 0 if critical_thresh is None else critical_thresh * SFP_TEMPERATURE_SCALE
 
                 hw_management_independent_mode_update.thermal_data_set_module(
                     0, # ASIC index always 0 for now
                     sfp.sdk_index + 1,
-                    temperature,
-                    critical_thresh,
-                    warning_thresh,
+                    int(temperature),
+                    int(critical_thresh),
+                    int(warning_thresh),
                     fault
                 )
             else:
@@ -170,7 +170,7 @@ def update_single_module(self, sfp):
             if pre_presence != presence:
                 self._sfp_status[sfp.sdk_index] = presence
         except Exception as e:
-            logger.log_error('Failed to update module {sfp.sdk_index} thermal data - {e}')
+            logger.log_error(f'Failed to update module {sfp.sdk_index} thermal data - {e}')
             hw_management_independent_mode_update.thermal_data_set_module(
                 0, # ASIC index always 0 for now
                 sfp.sdk_index + 1,
@@ -187,8 +187,8 @@ def update_module(self):
     def update_asic(self):
         try:
             asic_temp = self.get_asic_temp()
-            warn_threshold = self.get_asic_temp_warning_threashold()
-            critical_threshold = self.get_asic_temp_critical_threashold()
+            warn_threshold = self.get_asic_temp_warning_threshold()
+            critical_threshold = self.get_asic_temp_critical_threshold()
             fault = 0
             if asic_temp is None:
                 logger.log_error('Failed to read ASIC temperature, send fault to hw-management-tc')
@@ -203,7 +203,7 @@ def update_asic(self):
                 fault
             )
         except Exception as e:
-            logger.log_error('Failed to update ASIC thermal data - {e}')
+            logger.log_error(f'Failed to update ASIC thermal data - {e}')
             hw_management_independent_mode_update.thermal_data_set_asic(
                 0, # ASIC index always 0 for now
                 0,

platform/mellanox/mlnx-platform-api/tests/test_sfp.py

@@ -230,14 +230,18 @@ def test_get_page_and_page_offset(self, mock_get_type_str, mock_eeprom_path, moc
         assert page == '/tmp/1/data'
         assert page_offset is 0
 
+    @mock.patch('sonic_platform.sfp.SFP.is_sw_control')
     @mock.patch('sonic_platform.sfp.SFP._read_eeprom')
-    def test_sfp_get_presence(self, mock_read):
+    def test_sfp_get_presence(self, mock_read, mock_control):
         sfp = SFP(0)
         mock_read.return_value = None
         assert not sfp.get_presence()
 
         mock_read.return_value = 0
         assert sfp.get_presence()
+
+        mock_control.side_effect = RuntimeError('')
+        assert not sfp.get_presence()
 
     @mock.patch('sonic_platform.utils.read_int_from_file')
     def test_rj45_get_presence(self, mock_read_int):
@@ -318,14 +322,16 @@ def test_get_temperature(self, mock_read, mock_exists):
     def test_get_temperature_threshold(self):
         sfp = SFP(0)
         sfp.is_sw_control = mock.MagicMock(return_value=True)
-        assert sfp.get_temperature_warning_threashold() == 70.0
-        assert sfp.get_temperature_critical_threashold() == 80.0
 
         mock_api = mock.MagicMock()
         mock_api.get_transceiver_thresholds_support = mock.MagicMock(return_value=False)
-        sfp.get_xcvr_api = mock.MagicMock(return_value=mock_api)
-        assert sfp.get_temperature_warning_threashold() == 70.0
-        assert sfp.get_temperature_critical_threashold() == 80.0
+        sfp.get_xcvr_api = mock.MagicMock(return_value=None)
+        assert sfp.get_temperature_warning_threshold() is None
+        assert sfp.get_temperature_critical_threshold() is None
+
+        sfp.get_xcvr_api.return_value = mock_api
+        assert sfp.get_temperature_warning_threshold() == 0.0
+        assert sfp.get_temperature_critical_threshold() == 0.0
 
         from sonic_platform_base.sonic_xcvr.fields import consts
         mock_api.get_transceiver_thresholds_support.return_value = True
@@ -334,8 +340,8 @@ def test_get_temperature_threshold(self):
             consts.TEMP_HIGH_ALARM_FIELD: 85.0,
             consts.TEMP_HIGH_WARNING_FIELD: 75.0
         })
-        assert sfp.get_temperature_warning_threashold() == 75.0
-        assert sfp.get_temperature_critical_threashold() == 85.0
+        assert sfp.get_temperature_warning_threshold() == 75.0
+        assert sfp.get_temperature_critical_threshold() == 85.0
 
     @mock.patch('sonic_platform.sfp.NvidiaSFPCommon.get_logical_port_by_sfp_index')
     @mock.patch('sonic_platform.utils.read_int_from_file')

platform/mellanox/mlnx-platform-api/tests/test_thermal.py

@@ -160,11 +160,17 @@ def test_sfp_thermal(self):
         assert thermal.get_position_in_parent() == 1
         assert thermal.is_replaceable() == False
         sfp.get_temperature = mock.MagicMock(return_value=35.4)
-        sfp.get_temperature_warning_threashold = mock.MagicMock(return_value=70)
-        sfp.get_temperature_critical_threashold = mock.MagicMock(return_value=80)
+        sfp.get_temperature_warning_threshold = mock.MagicMock(return_value=70)
+        sfp.get_temperature_critical_threshold = mock.MagicMock(return_value=80)
         assert thermal.get_temperature() == 35.4
         assert thermal.get_high_threshold() == 70
         assert thermal.get_high_critical_threshold() == 80
+        sfp.get_temperature = mock.MagicMock(return_value=0)
+        sfp.get_temperature_warning_threshold = mock.MagicMock(return_value=0)
+        sfp.get_temperature_critical_threshold = mock.MagicMock(return_value=None)
+        assert thermal.get_temperature() is None
+        assert thermal.get_high_threshold() is None
+        assert thermal.get_high_critical_threshold() is None
 
     @mock.patch('sonic_platform.utils.read_float_from_file')
     def test_get_temperature(self, mock_read):

platform/mellanox/mlnx-platform-api/tests/test_thermal_updater.py

@@ -97,23 +97,23 @@ def test_update_asic(self, mock_read):
         mock_read.return_value = 8
         updater = ThermalUpdater(None)
         assert updater.get_asic_temp() == 1000
-        assert updater.get_asic_temp_warning_threashold() == 1000
-        assert updater.get_asic_temp_critical_threashold() == 1000
+        assert updater.get_asic_temp_warning_threshold() == 1000
+        assert updater.get_asic_temp_critical_threshold() == 1000
         updater.update_asic()
         hw_management_independent_mode_update.thermal_data_set_asic.assert_called_once()
 
         mock_read.return_value = None
         assert updater.get_asic_temp() is None
-        assert updater.get_asic_temp_warning_threashold() == ASIC_DEFAULT_TEMP_WARNNING_THRESHOLD
-        assert updater.get_asic_temp_critical_threashold() == ASIC_DEFAULT_TEMP_CRITICAL_THRESHOLD
+        assert updater.get_asic_temp_warning_threshold() == ASIC_DEFAULT_TEMP_WARNNING_THRESHOLD
+        assert updater.get_asic_temp_critical_threshold() == ASIC_DEFAULT_TEMP_CRITICAL_THRESHOLD
 
     def test_update_module(self):
         mock_sfp = mock.MagicMock()
         mock_sfp.sdk_index = 10
         mock_sfp.get_presence = mock.MagicMock(return_value=True)
         mock_sfp.get_temperature = mock.MagicMock(return_value=55.0)
-        mock_sfp.get_temperature_warning_threashold = mock.MagicMock(return_value=70.0)
-        mock_sfp.get_temperature_critical_threashold = mock.MagicMock(return_value=80.0)
+        mock_sfp.get_temperature_warning_threshold = mock.MagicMock(return_value=70.0)
+        mock_sfp.get_temperature_critical_threshold = mock.MagicMock(return_value=80.0)
         updater = ThermalUpdater([mock_sfp])
         updater.update_module()
         hw_management_independent_mode_update.thermal_data_set_module.assert_called_once_with(0, 11, 55000, 80000, 70000, 0)