#!/usr/bin/env python # # Copyright (C) 2017 Accton Technology Corporation # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # ------------------------------------------------------------------ # HISTORY: # mm/dd/yyyy (A.D.) # 11/13/2017: Polly Hsu, Create # 1/10/2018: Jostar modify for as7716_32 # 12/03/2018: Jostar modify for as7726_32 # ------------------------------------------------------------------ try: import time import logging from collections import namedtuple except ImportError as e: raise ImportError('%s - required module not found' % str(e)) class FanUtil(object): """Platform-specific FanUtil class""" FAN_NUM_ON_MAIN_BROAD = 6 FAN_NUM_1_IDX = 1 FAN_NUM_2_IDX = 2 FAN_NUM_3_IDX = 3 FAN_NUM_4_IDX = 4 FAN_NUM_5_IDX = 5 FAN_NUM_6_IDX = 6 FAN_NODE_NUM_OF_MAP = 2 FAN_NODE_FAULT_IDX_OF_MAP = 1 FAN_NODE_DIR_IDX_OF_MAP = 2 BASE_VAL_PATH = '/sys/bus/i2c/devices/54-0066/{0}' FAN_DUTY_PATH = '/sys/bus/i2c/devices/54-0066/fan_duty_cycle_percentage' #logfile = '' #loglevel = logging.INFO """ Dictionary where key1 = fan id index (integer) starting from 1 key2 = fan node index (interger) starting from 1 value = path to fan device file (string) """ _fan_to_device_path_mapping = {} #fan1_direction #fan1_fault #fan1_present #(FAN_NUM_2_IDX, FAN_NODE_DUTY_IDX_OF_MAP): 'fan2_duty_cycle_percentage', _fan_to_device_node_mapping = { (FAN_NUM_1_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan1_fault', (FAN_NUM_1_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan1_direction', (FAN_NUM_2_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan2_fault', (FAN_NUM_2_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan2_direction', (FAN_NUM_3_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan3_fault', (FAN_NUM_3_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan3_direction', (FAN_NUM_4_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan4_fault', (FAN_NUM_4_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan4_direction', (FAN_NUM_5_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan5_fault', (FAN_NUM_5_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan5_direction', (FAN_NUM_6_IDX, FAN_NODE_FAULT_IDX_OF_MAP): 'fan6_fault', (FAN_NUM_6_IDX, FAN_NODE_DIR_IDX_OF_MAP): 'fan6_direction', } def _get_fan_to_device_node(self, fan_num, node_num): return self._fan_to_device_node_mapping[(fan_num, node_num)] def _get_fan_node_val(self, fan_num, node_num): if fan_num < self.FAN_NUM_1_IDX or fan_num > self.FAN_NUM_ON_MAIN_BROAD: logging.debug('GET. Parameter error. fan_num:%d', fan_num) return None if node_num < self.FAN_NODE_FAULT_IDX_OF_MAP or node_num > self.FAN_NODE_NUM_OF_MAP: logging.debug('GET. Parameter error. node_num:%d', node_num) return None device_path = self.get_fan_to_device_path(fan_num, node_num) try: val_file = open(device_path, 'r') except IOError as e: logging.error('GET. unable to open file: %s', str(e)) return None content = val_file.readline().rstrip() if content == '': logging.debug('GET. content is NULL. device_path:%s', device_path) return None try: val_file.close() except: logging.debug('GET. unable to close file. device_path:%s', device_path) return None return int(content) def _set_fan_node_val(self, fan_num, node_num, val): if fan_num < self.FAN_NUM_1_IDX or fan_num > self.FAN_NUM_ON_MAIN_BROAD: logging.debug('GET. Parameter error. fan_num:%d', fan_num) return None if node_num < self.FAN_NODE_FAULT_IDX_OF_MAP or node_num > self.FAN_NODE_NUM_OF_MAP: logging.debug('GET. Parameter error. node_num:%d', node_num) return None content = str(val) if content == '': logging.debug('GET. content is NULL. device_path:%s', device_path) return None device_path = self.get_fan_to_device_path(fan_num, node_num) try: val_file = open(device_path, 'w') except IOError as e: logging.error('GET. unable to open file: %s', str(e)) return None val_file.write(content) try: val_file.close() except: logging.debug('GET. unable to close file. device_path:%s', device_path) return None return True def __init__(self): fan_path = self.BASE_VAL_PATH for fan_num in range(self.FAN_NUM_1_IDX, self.FAN_NUM_ON_MAIN_BROAD+1): for node_num in range(self.FAN_NODE_FAULT_IDX_OF_MAP, self.FAN_NODE_NUM_OF_MAP+1): self._fan_to_device_path_mapping[(fan_num, node_num)] = fan_path.format( self._fan_to_device_node_mapping[(fan_num, node_num)]) def get_num_fans(self): return self.FAN_NUM_ON_MAIN_BROAD def get_idx_fan_start(self): return self.FAN_NUM_1_IDX def get_num_nodes(self): return self.FAN_NODE_NUM_OF_MAP def get_idx_node_start(self): return self.FAN_NODE_FAULT_IDX_OF_MAP def get_size_node_map(self): return len(self._fan_to_device_node_mapping) def get_size_path_map(self): return len(self._fan_to_device_path_mapping) def get_fan_to_device_path(self, fan_num, node_num): return self._fan_to_device_path_mapping[(fan_num, node_num)] def get_fan_fault(self, fan_num): return self._get_fan_node_val(fan_num, self.FAN_NODE_FAULT_IDX_OF_MAP) #def get_fan_speed(self, fan_num): # return self._get_fan_node_val(fan_num, self.FAN_NODE_SPEED_IDX_OF_MAP) def get_fan_dir(self, fan_num): return self._get_fan_node_val(fan_num, self.FAN_NODE_DIR_IDX_OF_MAP) def get_fan_duty_cycle(self): #duty_path = self.FAN_DUTY_PATH try: val_file = open(self.FAN_DUTY_PATH) except IOError as e: print "Error: unable to open file: %s" % str(e) return False content = val_file.readline().rstrip() val_file.close() return int(content) #self._get_fan_node_val(fan_num, self.FAN_NODE_DUTY_IDX_OF_MAP) #static u32 reg_val_to_duty_cycle(u8 reg_val) #{ # reg_val &= FAN_DUTY_CYCLE_REG_MASK; # return ((u32)(reg_val+1) * 625 + 75)/ 100; #} # def set_fan_duty_cycle(self, val): try: fan_file = open(self.FAN_DUTY_PATH, 'r+') except IOError as e: print "Error: unable to open file: %s" % str(e) return False #val = ((val + 1 ) * 625 +75 ) / 100 fan_file.write(str(val)) fan_file.close() return True #def get_fanr_fault(self, fan_num): # return self._get_fan_node_val(fan_num, self.FANR_NODE_FAULT_IDX_OF_MAP) def get_fanr_speed(self, fan_num): return self._get_fan_node_val(fan_num, self.FANR_NODE_SPEED_IDX_OF_MAP) def get_fan_status(self, fan_num): if fan_num < self.FAN_NUM_1_IDX or fan_num > self.FAN_NUM_ON_MAIN_BROAD: logging.debug('GET. Parameter error. fan_num, %d', fan_num) return None if self.get_fan_fault(fan_num) is not None and self.get_fan_fault(fan_num) > 0: logging.debug('GET. FAN fault. fan_num, %d', fan_num) return False #if self.get_fanr_fault(fan_num) is not None and self.get_fanr_fault(fan_num) > 0: # logging.debug('GET. FANR fault. fan_num, %d', fan_num) # return False return True #def main(): # fan = FanUtil() # # print 'get_size_node_map : %d' % fan.get_size_node_map() # print 'get_size_path_map : %d' % fan.get_size_path_map() # for x in range(fan.get_idx_fan_start(), fan.get_num_fans()+1): # for y in range(fan.get_idx_node_start(), fan.get_num_nodes()+1): # print fan.get_fan_to_device_path(x, y) # #if __name__ == '__main__': # main()