add fast reboot check and dont send dict to get_change_event

after warm or fast reboot done

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

@@ -69,6 +69,7 @@
 PROC_CMDLINE = "/proc/cmdline"
 CMDLINE_STR_TO_LOOK_FOR = 'SONIC_BOOT_TYPE='
 CMDLINE_VAL_TO_LOOK_FOR = 'fastfast'
+CMDLINE_VAL_TO_LOOK_FOR_FAST_REBOOT = 'fast-reboot'
 
 MAX_EEPROM_ERROR_RESET_RETRIES = 4
 
@@ -98,6 +99,7 @@ def __init__(self, namespaces=None, main_thread_stop_event=None, q=None):
         self.setName("ModulesMgmtTask")
         self.register_hw_present_fds = []
         self.is_warm_reboot = False
+        self.is_fast_reboot = False
         self.port_control_dict = {}
 
     # SFPs state machine
@@ -161,7 +163,9 @@ def run(self):
             cmdline_dict[CMDLINE_STR_TO_LOOK_FOR] = proc_cmdline_str.split(CMDLINE_STR_TO_LOOK_FOR)[1]
         if CMDLINE_STR_TO_LOOK_FOR in cmdline_dict.keys():
             self.is_warm_reboot = cmdline_dict[CMDLINE_STR_TO_LOOK_FOR] == CMDLINE_VAL_TO_LOOK_FOR
-            logger.log_info(f"system was warm rebooted is_warm_reboot: {self.is_warm_reboot}")
+            self.is_fast_reboot = cmdline_dict[CMDLINE_STR_TO_LOOK_FOR] == CMDLINE_VAL_TO_LOOK_FOR_FAST_REBOOT
+            logger.log_info(f"system was warm or fast rebooted is_warm_reboot: {self.is_warm_reboot} is_fast_reboot:"
+                            f"{self.is_fast_reboot}")
         for port in range(num_of_ports):
             # check sysfs per port whether it's independent mode or legacy
             temp_module_sm = ModuleStateMachine(port_num=port, initial_state=STATE_HW_NOT_PRESENT
@@ -661,7 +665,8 @@ def map_ports_final_state(self, dynamic=False):
                     self.register_hw_present_fds.append(module_obj)
                 else:
                     port_status = '1'
-                self.sfp_changes_dict[str(module_obj.port_num + 1)] = port_status
+                if dynamic or (not self.is_warm_reboot and not self.is_fast_reboot):
+                    self.sfp_changes_dict[str(module_obj.port_num + 1)] = port_status
 
     def delete_ports_from_dict(self, dynamic=False):
         detection_method = 'dynamic' if dynamic else 'static'