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[device/celestica]: Add firmware management api based on the new plat…
…form API (#3013)
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128 changes: 128 additions & 0 deletions
128
device/celestica/x86_64-cel_e1031-r0/sonic_platform/component.py
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| #!/usr/bin/env python | ||
|
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||
| ############################################################################# | ||
| # Celestica | ||
| # | ||
| # Component contains an implementation of SONiC Platform Base API and | ||
| # provides the components firmware management function | ||
| # | ||
| ############################################################################# | ||
|
|
||
| import json | ||
| import os.path | ||
| import shutil | ||
| import shlex | ||
| import subprocess | ||
|
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| try: | ||
| from sonic_platform_base.device_base import DeviceBase | ||
| except ImportError as e: | ||
| raise ImportError(str(e) + "- required module not found") | ||
|
|
||
| MMC_CPLD_ADDR = '0x100' | ||
| BIOS_VERSION_PATH = "/sys/class/dmi/id/bios_version" | ||
| CONFIG_DB_PATH = "/etc/sonic/config_db.json" | ||
| SMC_CPLD_PATH = "/sys/devices/platform/e1031.smc/version" | ||
| MMC_CPLD_PATH = "/sys/devices/platform/e1031.smc/getreg" | ||
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| class Component(DeviceBase): | ||
| """Platform-specific Component class""" | ||
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| DEVICE_TYPE = "component" | ||
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| def __init__(self, component_name): | ||
| DeviceBase.__init__(self) | ||
| self.name = component_name.upper() | ||
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| def __run_command(self, command): | ||
| # Run bash command and print output to stdout | ||
| try: | ||
| process = subprocess.Popen( | ||
| shlex.split(command), stdout=subprocess.PIPE) | ||
| while True: | ||
| output = process.stdout.readline() | ||
| if output == '' and process.poll() is not None: | ||
| break | ||
| rc = process.poll() | ||
| if rc != 0: | ||
| return False | ||
| except: | ||
| return False | ||
| return True | ||
|
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| def __get_register_value(self, path, register): | ||
| # Retrieves the cpld register value | ||
| cmd = "echo {1} > {0}; cat {0}".format(path, register) | ||
| p = subprocess.Popen( | ||
| cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE) | ||
| raw_data, err = p.communicate() | ||
| if err is not '': | ||
| return None | ||
| return raw_data.strip() | ||
|
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||
| def __get_bios_version(self): | ||
| # Retrieves the BIOS firmware version | ||
| try: | ||
| with open(BIOS_VERSION_PATH, 'r') as fd: | ||
| bios_version = fd.read() | ||
| return bios_version.strip() | ||
| except Exception as e: | ||
| return None | ||
|
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| def __get_cpld_version(self): | ||
| # Retrieves the CPLD firmware version | ||
| cpld_version = dict() | ||
| with open(SMC_CPLD_PATH, 'r') as fd: | ||
| smc_cpld_version = fd.read() | ||
| smc_cpld_version = 'None' if smc_cpld_version is 'None' else "{}.{}".format( | ||
| int(smc_cpld_version[2], 16), int(smc_cpld_version[3], 16)) | ||
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| mmc_cpld_version = self.__get_register_value( | ||
| MMC_CPLD_PATH, MMC_CPLD_ADDR) | ||
| mmc_cpld_version = 'None' if mmc_cpld_version is 'None' else "{}.{}".format( | ||
| int(mmc_cpld_version[2], 16), int(mmc_cpld_version[3], 16)) | ||
|
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| cpld_version["SMC_CPLD"] = smc_cpld_version | ||
| cpld_version["MMC_CPLD"] = mmc_cpld_version | ||
| return cpld_version | ||
|
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| def get_firmware_version(self): | ||
| """ | ||
| Retrieves the firmware version of module | ||
| Returns: | ||
| string: The firmware versions of the module | ||
| """ | ||
| fw_version = None | ||
|
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| if self.name == "BIOS": | ||
| fw_version = self.__get_bios_version() | ||
| elif "CPLD" in self.name: | ||
| cpld_version = self.__get_cpld_version() | ||
| fw_version = cpld_version.get(self.name) | ||
|
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| return fw_version | ||
|
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| def upgrade_firmware(self, image_path): | ||
| """ | ||
| Install firmware to module | ||
| Args: | ||
| image_path: A string, path to firmware image | ||
| Returns: | ||
| A boolean, True if install successfully, False if not | ||
| """ | ||
| if not os.path.isfile(image_path): | ||
| return False | ||
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| if "CPLD" in self.name: | ||
| img_name = os.path.basename(image_path) | ||
| root, ext = os.path.splitext(img_name) | ||
| ext = ".vme" if ext == "" else ext | ||
| new_image_path = os.path.join("/tmp", (root.lower() + ext)) | ||
| shutil.copy(image_path, new_image_path) | ||
| install_command = "ispvm %s" % new_image_path | ||
| elif self.name == "BIOS": | ||
| print("Not supported") | ||
| return False | ||
|
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||
| return self.__run_command(install_command) |
47 changes: 47 additions & 0 deletions
47
device/celestica/x86_64-cel_e1031-r0/sonic_platform/device.py
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| #!/usr/bin/env python | ||
|
|
||
| ############################################################################# | ||
| # Celestica | ||
| # | ||
| # Device contains an implementation of SONiC Platform Base API and | ||
| # provides the device information | ||
| # | ||
| ############################################################################# | ||
|
|
||
| try: | ||
| from sonic_platform_base.device_base import DeviceBase | ||
| except ImportError as e: | ||
| raise ImportError(str(e) + "- required module not found") | ||
|
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| class Device(DeviceBase): | ||
| """Platform-specific Device class""" | ||
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| COMPONENTS_NAME = ["SMC_CPLD", "MMC_CPLD", "BIOS"] | ||
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| def __init__(self, device_type, index=None): | ||
| self.device_type = device_type | ||
| self.index = index | ||
| DeviceBase.__init__(self) | ||
|
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| def get_name(self): | ||
| """ | ||
| Retrieves the name of the device | ||
| Returns: | ||
| string: The name of the device | ||
| """ | ||
| device_name = { | ||
| "component": self.COMPONENTS_NAME[self.index] | ||
| }.get(self.device_type, None) | ||
| return device_name | ||
|
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| def get_name_list(self): | ||
| """ | ||
| Retrieves list of the device name that available in this device type | ||
| Returns: | ||
| string: The list of device name | ||
| """ | ||
| name_list = { | ||
| "component": self.COMPONENTS_NAME | ||
| }.get(self.device_type, None) | ||
| return name_list |
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