[devices]: Add inventec D7032 D7054 platform psustatus (#1696)

device/inventec/x86_64-inventec_d7032q28b-r0/plugins/psuutil.py

@@ -0,0 +1,88 @@
+#
+# psuutil.py
+# Platform-specific PSU status interface for SONiC
+#
+
+
+import os.path
+
+try:
+ from sonic_psu.psu_base import PsuBase
+except ImportError as e:
+ raise ImportError(str(e) + "- required module not found")
+
+
+class PsuUtil(PsuBase):
+ """Platform-specific PSUutil class"""
+
+ PSU_DIR = "/sys/bus/i2c/devices/0-0066"
+
+ def __init__(self):
+ PsuBase.__init__(self)
+
+# Get sysfs attribute
+ def get_attr_value(self, attr_path):
+
+ retval = 'ERR' 
+ if (not os.path.isfile(attr_path)):
+ return retval
+
+ try:
+ with open(attr_path, 'r') as fd:
+ retval = fd.read()
+ except Exception as error:
+ logging.error("Unable to open ", attr_path, " file !")
+
+ retval = retval.rstrip(' \t\n\r')
+ return retval
+
+ def get_num_psus(self):
+ """
+ Retrieves the number of PSUs available on the device
+ :return: An integer, the number of PSUs available on the device
+ """
+ MAX_PSUS = 2
+ return MAX_PSUS
+
+ def get_psu_status(self, index):
+ """
+ Retrieves the oprational status of power supply unit (PSU) defined
+ by index <index>
+ :param index: An integer, index of the PSU of which to query status
+ :return: Boolean, True if PSU is operating properly, False if PSU is\
+ faulty
+ """
+ status = 0
+ if (index == 1):
+ ind = 2
+ if (index == 2):
+ ind = 1
+ attr_file = 'psu'+ str(ind) + '_iout' 
+ attr_path = self.PSU_DIR +'/' + attr_file
+
+ attr_value = self.get_attr_value(attr_path)
+ if (attr_value != 'ERR'):
+ # Check for PSU status
+ if (attr_value != 0):
+ status = 1
+ return status
+
+ def get_psu_presence(self, index):
+ """
+ Retrieves the presence status of power supply unit (PSU) defined
+ by index <index>
+ :param index: An integer, index of the PSU of which to query status
+ :return: Boolean, True if PSU is plugged, False if not
+ """
+ status = 0
+ psu_absent = 0
+ ind = index-1
+ attr_file ='psu'+ str(ind)
+ attr_path = self.PSU_DIR +'/' + attr_file
+ normal_attr_value = '0 : normal' 
+ attr_value = self.get_attr_value(attr_path)
+ if (attr_value != 'ERR'):
+ # Check for PSU presence
+ if (attr_value == normal_attr_value):
+ status = 1
+ return status

device/inventec/x86_64-inventec_d7054q28b-r0/plugins/psuutil.py

@@ -0,0 +1,84 @@
+#
+# psuutil.py
+# Platform-specific PSU status interface for SONiC
+#
+
+
+import os.path
+
+try:
+ from sonic_psu.psu_base import PsuBase
+except ImportError as e:
+ raise ImportError(str(e) + "- required module not found")
+
+
+class PsuUtil(PsuBase):
+ """Platform-specific PSUutil class"""
+
+ PSU_DIR = "/sys/bus/i2c/devices/0-0066"
+
+ def __init__(self):
+ PsuBase.__init__(self)
+
+# Get sysfs attribute
+ def get_attr_value(self, attr_path):
+
+ retval = 'ERR' 
+ if (not os.path.isfile(attr_path)):
+ return retval
+
+ try:
+ with open(attr_path, 'r') as fd:
+ retval = fd.read()
+ except Exception as error:
+ logging.error("Unable to open ", attr_path, " file !")
+
+ retval = retval.rstrip(' \t\n\r')
+ return retval
+
+ def get_num_psus(self):
+ """
+ Retrieves the number of PSUs available on the device
+ :return: An integer, the number of PSUs available on the device
+ """
+ MAX_PSUS = 2
+ return MAX_PSUS
+
+ def get_psu_status(self, index):
+ """
+ Retrieves the oprational status of power supply unit (PSU) defined
+ by index <index>
+ :param index: An integer, index of the PSU of which to query status
+ :return: Boolean, True if PSU is operating properly, False if PSU is\
+ faulty
+ """
+ status = 0
+ attr_file = 'psoc_psu'+ str(index) + '_iout' 
+ attr_path = self.PSU_DIR +'/' + attr_file
+
+ attr_value = self.get_attr_value(attr_path)
+ if (attr_value != 'ERR'):
+ # Check for PSU status
+ if (attr_value != 0):
+ status = 1
+ return status
+
+ def get_psu_presence(self, index):
+ """
+ Retrieves the presence status of power supply unit (PSU) defined
+ by index <index>
+ :param index: An integer, index of the PSU of which to query status
+ :return: Boolean, True if PSU is plugged, False if not
+ """
+ status = 0
+ psu_absent = 0
+ ind = index-1
+ attr_file ='psu'+ str(ind)
+ attr_path = self.PSU_DIR +'/' + attr_file
+ normal_attr_value = '0 : normal' 
+ attr_value = self.get_attr_value(attr_path)
+ if (attr_value != 'ERR'):
+ # Check for PSU presence
+ if (attr_value == normal_attr_value):
+ status = 1
+ return status