91510a7742
[build] Add ipmitool [dockers] Add innovium platform in orchagent + ipmitool in snmp [platform/innovium] Add innovium platform [device/celestica] Add x86_64-cel_midstone-r0 device for innovium [device/delta] Add x86_64-delta_et-c032if-r0 device for innovium [sonic-slave-stretch] Add texi2html Signed-off-by: Tony Titus ttitus@innovium.com
79 lines
2.2 KiB
Python
79 lines
2.2 KiB
Python
#
|
|
# Module contains an implementation of SONiC PSU Base API and
|
|
# provides the PSUs status which are available in the platform
|
|
#
|
|
|
|
import os.path
|
|
import subprocess
|
|
|
|
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"""
|
|
|
|
def __init__(self):
|
|
PsuBase.__init__(self)
|
|
self.psu_status = "ipmitool raw 0x38 0x1 {} 0x50"
|
|
|
|
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
|
|
"""
|
|
return 2
|
|
|
|
def get_psu_status(self, index):
|
|
"""
|
|
Retrieves the oprational status of power supply unit (PSU) defined
|
|
by 1-based index <index>
|
|
|
|
:param index: An integer, 1-based index of the PSU of which to query status
|
|
:return: Boolean, True if PSU is operating properly, False if PSU is faulty
|
|
"""
|
|
if index is None:
|
|
return False
|
|
|
|
status = 0
|
|
try:
|
|
p = os.popen("ipmitool raw 0x38 0x2 7 0x32 0x28 1")
|
|
content = p.readline().rstrip()
|
|
reg_value = int(content, 16)
|
|
mask = (1 << (8 - index))
|
|
if reg_value & mask == 0:
|
|
return False
|
|
status = 1
|
|
p.close()
|
|
except IOError:
|
|
return False
|
|
return status == 1
|
|
|
|
|
|
|
|
def get_psu_presence(self, index):
|
|
"""
|
|
Retrieves the presence status of power supply unit (PSU) defined
|
|
by 1-based index <index>
|
|
|
|
:param index: An integer, 1-based index of the PSU of which to query status
|
|
:return: Boolean, True if PSU is plugged, False if not
|
|
"""
|
|
if index is None:
|
|
return False
|
|
status = 0
|
|
try:
|
|
p = os.popen(self.psu_status.format(index - 1))
|
|
content = p.readline().rstrip()
|
|
reg_value = int(content, 16)
|
|
if reg_value != 0:
|
|
return False
|
|
status = 1
|
|
p.close()
|
|
except IOError:
|
|
return False
|
|
return status == 1
|
|
|