[bluefield] Add platform-api implementation. (#27)

Signed-off-by: Oleksandr Ivantsiv <oivantsiv@nvidia.com>

device/nvidia-bluefield/arm64-nvda_bf-mbf2h536c/platform.json

@@ -0,0 +1,34 @@
+{
+    "chassis": {
+        "name": "Nvidia-MBF2H536C",
+        "components": [],
+        "fans": [],
+        "fan_drawers": [],
+        "psus": [],
+        "thermals": [],
+        "sfps": [
+            {
+                "name": "p0"
+            },
+            {
+                "name": "p1"
+            }
+        ]
+    },
+    "interfaces": {
+        "Ethernet0": {
+            "index": "1,1,1,1",
+            "lanes": "0,1,2,3",
+            "breakout_modes": {
+                "1x100G": ["etp1"]
+            }
+        },
+        "Ethernet4": {
+            "index": "2,2,2,2",
+            "lanes": "4,5,6,7",
+            "breakout_modes": {
+                "1x100G": ["etp2"]
+            }
+        }
+    }
+}

device/nvidia-bluefield/arm64-nvda_bf-mbf2m516a/platform.json

@@ -0,0 +1,34 @@
+{
+    "chassis": {
+        "name": "Nvidia-MBF2H516A",
+        "components": [],
+        "fans": [],
+        "fan_drawers": [],
+        "psus": [],
+        "thermals": [],
+        "sfps": [
+            {
+                "name": "p0"
+            },
+            {
+                "name": "p1"
+            }
+        ]
+    },
+    "interfaces": {
+        "Ethernet0": {
+            "index": "1,1,1,1",
+            "lanes": "0,1,2,3",
+            "breakout_modes": {
+                "1x100G": ["etp1"]
+            }
+        },
+        "Ethernet4": {
+            "index": "2,2,2,2",
+            "lanes": "4,5,6,7",
+            "breakout_modes": {
+                "1x100G": ["etp2"]
+            }
+        }
+    }
+}

files/build_templates/sonic_debian_extension.j2

@@ -846,6 +846,13 @@ sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT pip3 install $MLNX_
 sudo rm -rf $FILESYSTEM_ROOT/$MLNX_SONIC_PLATFORM_PY3_WHEEL_NAME
 {% endif %}
 
+{% if sonic_asic_platform == "nvidia-bluefield" %}
+SONIC_PLATFORM_PY3_WHEEL_NAME=$(basename {{platform_api_py3_wheel_path}})
+sudo cp {{platform_api_py3_wheel_path}} $FILESYSTEM_ROOT/$SONIC_PLATFORM_PY3_WHEEL_NAME
+sudo https_proxy=$https_proxy LANG=C chroot $FILESYSTEM_ROOT pip3 install $SONIC_PLATFORM_PY3_WHEEL_NAME
+sudo rm -rf $FILESYSTEM_ROOT/$SONIC_PLATFORM_PY3_WHEEL_NAME
+{% endif %}
+
 {%- if SONIC_ROUTING_STACK == "frr" %}
 sudo mkdir $FILESYSTEM_ROOT/etc/sonic/frr
 sudo touch $FILESYSTEM_ROOT/etc/sonic/frr/frr.conf

platform/nvidia-bluefield/platform-api/.gitignore

@@ -0,0 +1,6 @@
+*.pyc
+.cache/
+*/test-results.xml
+*/htmlcov/
+*/coverage.xml
+*/.coverage

platform/nvidia-bluefield/platform-api/pytest.ini

@@ -0,0 +1,20 @@
+##
+## Copyright (c) 2020-2022 NVIDIA CORPORATION & AFFILIATES.
+## Apache-2.0
+##
+## Licensed under the Apache License, Version 2.0 (the "License");
+## you may not use this file except in compliance with the License.
+## You may obtain a copy of the License at
+##
+## http://www.apache.org/licenses/LICENSE-2.0
+##
+## Unless required by applicable law or agreed to in writing, software
+## distributed under the License is distributed on an "AS IS" BASIS,
+## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+## See the License for the specific language governing permissions and
+## limitations under the License.
+##
+[pytest]
+addopts = --cov=sonic_platform --cov-report html --cov-report term --cov-report xml --junitxml=test-results.xml -vv
+filterwarnings =
+    ignore::DeprecationWarning

platform/nvidia-bluefield/platform-api/setup.cfg

@@ -0,0 +1,2 @@
+[aliases]
+test=pytest

platform/nvidia-bluefield/platform-api/setup.py

@@ -0,0 +1,54 @@
+#
+# Copyright (c) 2019-2022 NVIDIA CORPORATION & AFFILIATES.
+# Apache-2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+from setuptools import setup
+
+setup(
+    name='platform-api',
+    version='1.0',
+    description='SONiC platform API implementation on NVIDIA BlueField platform',
+    license='Apache 2.0',
+    author='NVIDIA SONiC Team',
+    author_email='oivantsiv@nvidia.com',
+    url='https://github.com/Azure/sonic-buildimage',
+    maintainer='Oleksandr Ivantsiv',
+    maintainer_email='oivantsiv@nvidia.com',
+    packages=[
+        'sonic_platform',
+        'tests'
+    ],
+    setup_requires= [
+        'pytest-runner'
+    ],
+    tests_require = [
+        'pytest',
+        'mock>=2.0.0'
+    ],
+    classifiers=[
+        'Development Status :: 3 - Alpha',
+        'Environment :: Plugins',
+        'Intended Audience :: Developers',
+        'Intended Audience :: Information Technology',
+        'Intended Audience :: System Administrators',
+        'License :: OSI Approved :: Apache Software License',
+        'Natural Language :: English',
+        'Operating System :: POSIX :: Linux',
+        'Programming Language :: Python :: 3.7',
+        'Topic :: Utilities',
+    ],
+    keywords='sonic SONiC platform PLATFORM',
+    test_suite='setup.get_test_suite'
+)

platform/nvidia-bluefield/platform-api/sonic_platform/__init__.py

@@ -0,0 +1,18 @@
+#
+# Copyright (c) 2022 NVIDIA CORPORATION & AFFILIATES.
+# Apache-2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+__all__ = ["platform", "chassis"]
+from sonic_platform import *

platform/nvidia-bluefield/platform-api/sonic_platform/chassis.py

@@ -0,0 +1,155 @@
+#
+# Copyright (c) 2022 NVIDIA CORPORATION & AFFILIATES.
+# Apache-2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+try:
+    from sonic_platform_base.chassis_base import ChassisBase
+    from sonic_py_common.logger import Logger
+    import os
+    from functools import reduce
+
+    from . import utils
+    from .device_data import DeviceDataManager
+    from .sfp import Sfp
+    from .eeprom import Eeprom
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+MAX_SELECT_DELAY = 3600
+
+
+# Global logger class instance
+logger = Logger()
+
+
+class Chassis(ChassisBase):
+    """Platform-specific Chassis class"""
+
+    def __init__(self):
+        super(Chassis, self).__init__()
+
+        # Initialize DMI data
+        self.dmi_data = None
+
+        self.device_data = DeviceDataManager()
+        self._initialize_sfp()
+        self.sfp_event = None
+        self._eeprom = Eeprom()
+        logger.log_info("Chassis loaded successfully")
+
+    def _initialize_sfp(self):
+        self._sfp_list = []
+
+        sfp_count = self.get_num_sfps()
+        for index in range(sfp_count):
+            sfp_module = Sfp(index, self.device_data.get_sfp_data(index))
+            self._sfp_list.append(sfp_module)
+
+    def get_sfp(self, index):
+        return super(Chassis, self).get_sfp(index - 1)
+
+    def get_num_sfps(self):
+        """
+        Retrieves the number of sfps available on this chassis
+
+        Returns:
+            An integer, the number of sfps available on this chassis
+        """
+        return self.device_data.get_sfp_count()
+
+    def get_eeprom(self):
+        """
+        Retreives eeprom device on this chassis
+
+        Returns:
+            An object derived from WatchdogBase representing the hardware
+            eeprom device
+        """
+        return self._eeprom
+
+    def get_name(self):
+        """
+        Retrieves the name of the device
+
+        Returns:
+            string: The name of the device
+        """
+        return self._eeprom.get_product_name()
+
+    def get_model(self):
+        """
+        Retrieves the model number (or part number) of the device
+
+        Returns:
+            string: Model/part number of device
+        """
+        return self._eeprom.get_part_number()
+
+    def get_base_mac(self):
+        """
+        Retrieves the base MAC address for the chassis
+
+        Returns:
+            A string containing the MAC address in the format
+            'XX:XX:XX:XX:XX:XX'
+        """
+        return self._eeprom.get_base_mac()
+
+    def get_serial(self):
+        """
+        Retrieves the hardware serial number for the chassis
+
+        Returns:
+            A string containing the hardware serial number for this chassis.
+        """
+        return self._eeprom.get_serial_number()
+
+    def get_system_eeprom_info(self):
+        """
+        Retrieves the full content of system EEPROM information for the chassis
+
+        Returns:
+            A dictionary where keys are the type code defined in
+            OCP ONIE TlvInfo EEPROM format and values are their corresponding
+            values.
+        """
+        return self._eeprom.get_system_eeprom_info()
+
+    def get_revision(self):
+        """
+        Retrieves the hardware revision of the device
+
+        Returns:
+            string: Revision value of device
+        """
+        return self._eeprom.get_revision()
+
+    def get_position_in_parent(self):
+        """
+        Retrieves 1-based relative physical position in parent device. If the agent cannot determine the parent-relative position
+        for some reason, or if the associated value of entPhysicalContainedIn is '0', then the value '-1' is returned
+        Returns:
+            integer: The 1-based relative physical position in parent device or -1 if cannot determine the position
+        """
+        return -1
+
+    def is_replaceable(self):
+        """
+        Indicate whether this device is replaceable.
+        Returns:
+            bool: True if it is replaceable.
+        """
+        return False