122 lines
4.0 KiB
Python
122 lines
4.0 KiB
Python
#!/usr/bin/env python
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#############################################################################
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# Celestica
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#
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# Component contains an implementation of SONiC Platform Base API and
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# provides the components firmware management function
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#
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#############################################################################
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import json
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import os.path
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try:
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from sonic_platform_base.component_base import ComponentBase
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from helper import APIHelper
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except ImportError as e:
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raise ImportError(str(e) + "- required module not found")
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COMPONENT_LIST = [
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("BIOS", "Basic Input/Output System"),
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("BMC", "Baseboard Management Controller"),
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("SWITCH_CPLD", "Switch board CPLD"),
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("BASE_CPLD", "Base board CPLD"),
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("FPGA", "Field-programmable gate array")
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]
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SW_CPLD_VER_PATH = "/sys/module/switch_cpld/version"
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BASE_CPLD_VER_PATH = "/sys/module/baseboard_lpc/version"
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CPLD_UPGRADE_OPT = 4
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BIOS_VER_PATH = "/sys/class/dmi/id/bios_version"
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BIOS__UPGRADE_OPT = 2
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BMC_VER_CMD = "ipmitool mc info | grep 'Firmware Revision'"
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BMC_UPGRADE_OPT = 1
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CFUFLASH_FW_UPGRADE_CMD = "CFUFLASH -cd -d {} -mse 3 {}"
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MEM_PCI_RESOURCE = "/sys/bus/pci/devices/0000:09:00.0/resource0"
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FPGA_VER_MEM_OFFSET = 0
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class Component(ComponentBase):
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"""Platform-specific Component class"""
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DEVICE_TYPE = "component"
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def __init__(self, component_index):
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ComponentBase.__init__(self)
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self.index = component_index
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self.name = self.get_name()
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self._api_helper = APIHelper()
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def __get_bmc_ver(self):
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bmc_ver = "Unknown"
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status, raw_bmc_data = self._api_helper.run_command(BMC_VER_CMD)
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if status:
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bmc_ver_data = raw_bmc_data.split(":")
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bmc_ver = bmc_ver_data[-1].strip() if len(
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bmc_ver_data) > 1 else bmc_ver
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return bmc_ver
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def __get_fpga_ver(self):
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fpga_ver = "Unknown"
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status, reg_val = self._api_helper.pci_get_value(
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MEM_PCI_RESOURCE, FPGA_VER_MEM_OFFSET)
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if status:
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major = reg_val[0] >> 16
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minor = int(bin(reg_val[0])[16:32], 2)
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fpga_ver = '{}.{}'.format(major, minor)
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return fpga_ver
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def get_name(self):
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"""
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Retrieves the name of the component
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Returns:
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A string containing the name of the component
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"""
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return COMPONENT_LIST[self.index][0]
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def get_description(self):
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"""
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Retrieves the description of the component
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Returns:
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A string containing the description of the component
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"""
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return COMPONENT_LIST[self.index][1]
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def get_firmware_version(self):
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"""
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Retrieves the firmware version of module
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Returns:
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string: The firmware versions of the module
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"""
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fw_version = {
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"BIOS": self._api_helper.read_txt_file(BIOS_VER_PATH),
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"BMC": self.__get_bmc_ver(),
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"FPGA": self.__get_fpga_ver(),
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"SWITCH_CPLD": self._api_helper.read_txt_file(SW_CPLD_VER_PATH),
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"BASE_CPLD": self._api_helper.read_txt_file(BASE_CPLD_VER_PATH),
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}.get(self.name, "Unknown")
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return fw_version
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def install_firmware(self, image_path):
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"""
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Install firmware to module
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Args:
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image_path: A string, path to firmware image
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Returns:
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A boolean, True if install successfully, False if not
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"""
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install_command = {
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"BMC": CFUFLASH_FW_UPGRADE_CMD.format(BMC_UPGRADE_OPT, image_path),
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"BIOS": CFUFLASH_FW_UPGRADE_CMD.format(BIOS__UPGRADE_OPT, image_path),
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"SWITCH_CPLD": CFUFLASH_FW_UPGRADE_CMD.format(CPLD_UPGRADE_OPT, image_path),
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"BASE_CPLD": CFUFLASH_FW_UPGRADE_CMD.format(CPLD_UPGRADE_OPT, image_path)
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}.get(self.name, None)
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if not os.path.isfile(image_path) or install_command is None:
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return False
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# print(install_command)
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status = self._api_helper.run_interactive_command(install_command)
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return status
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