64 lines
1.3 KiB
Python
64 lines
1.3 KiB
Python
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#
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# psuutil.py
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# Platform-specific PSU status interface for SONiC
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#
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try:
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from sonic_psu.psu_base import PsuBase
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except ImportError as e:
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raise ImportError(str(e) + "- required module not found")
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class PsuUtil(PsuBase):
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"""Platform-specific PSUutil class"""
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def __init__(self):
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PsuBase.__init__(self)
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def get_num_psus(self):
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return 2
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def get_psu_status(self, index):
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if index != 1 and index != 2:
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return False
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psu_path = "/sys/bus/i2c/devices/2-0037/psu_status"
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try:
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data = open(psu_path, "rb")
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except IOError:
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return False
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result = int(data.read(2), 16)
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data.close()
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if index == 1 and (result & 0x2):
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return True
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if index == 2 and (result & 0x20):
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return True
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return False
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def get_psu_presence(self, index):
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if index != 1 and index != 2:
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return False
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psu_path = "/sys/bus/i2c/devices/2-0037/psu_status"
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try:
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data = open(psu_path, "rb")
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except IOError:
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return False
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result = int(data.read(2), 16)
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data.close()
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if index == 1 and (result & 0x1) == 0:
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return True
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if index == 2 and (result & 0x10) == 0:
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return True
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return False
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