DELL Platform 2.0 API Infra and Reboot Reason support in Z9100 & S6100

dockers/docker-platform-monitor/start.sh.j2

@@ -37,6 +37,12 @@ if [ -e /usr/share/sonic/platform/fancontrol ]; then
     supervisorctl start fancontrol
 fi
 
+# If this platform has a python api wheel file, install it
+if [ -e /usr/share/sonic/platform/sonic_platform-1.0-py2-none-any.whl ]; then
+    # install sonic_platform wheel
+    pip install /usr/share/sonic/platform/sonic_platform-1.0-py2-none-any.whl
+fi
+
 {% if not skip_ledd %}
 supervisorctl start ledd
 {% endif %}

platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-s6100.install

@@ -4,5 +4,6 @@ common/dell_i2c_utils.sh usr/local/bin
 common/io_rd_wr.py usr/local/bin
 common/platform_reboot usr/share/sonic/device/x86_64-dell_s6100_c2538-r0
 s6100/scripts/platform_sensors.py usr/local/bin
+s6100/modules/sonic_platform-1.0-py2-none-any.whl usr/share/sonic/device/x86_64-dell_s6100_c2538-r0
 s6100/scripts/sensors usr/bin
 s6100/systemd/platform-modules-s6100.service etc/systemd/system

platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-z9100.install

@@ -8,6 +8,7 @@ z9100/scripts/z9100_qsfp_monitor.py usr/local/bin
 z9100/scripts/z9100_preemp_db.py usr/local/bin
 z9100/scripts/qsfp_monitor usr/local/bin
 z9100/scripts/sensors usr/bin
+z9100/modules/sonic_platform-1.0-py2-none-any.whl usr/share/sonic/device/x86_64-dell_z9100_c2538-r0
 z9100/cfg/z9100-modules.conf etc/modules-load.d
 z9100/systemd/platform-modules-z9100.service etc/systemd/system
 z9100/systemd/z9100-qsfp-monitor.service etc/systemd/system

platform/broadcom/sonic-platform-modules-dell/debian/rules

@@ -16,9 +16,15 @@ override_dh_auto_build:
 		if [ $$mod = "s6100" ]; then \
 			cp $(COMMON_DIR)/dell_pmc.c $(MOD_SRC_DIR)/$${mod}/modules/dell_s6100_lpc.c; \
 			cp $(COMMON_DIR)/dell_ich.c $(MOD_SRC_DIR)/$${mod}/modules/dell_ich.c; \
+			cd $(MOD_SRC_DIR)/$${mod}; \
+			python2.7 setup.py bdist_wheel -d $(MOD_SRC_DIR)/$${mod}/modules; \
+			cd $(MOD_SRC_DIR); \
 		elif [ $$mod = "z9100" ]; then \
 			cp $(COMMON_DIR)/dell_pmc.c $(MOD_SRC_DIR)/$${mod}/modules/dell_mailbox.c; \
 			cp $(COMMON_DIR)/dell_ich.c $(MOD_SRC_DIR)/$${mod}/modules/dell_ich.c; \
+			cd $(MOD_SRC_DIR)/$${mod}; \
+			python2.7 setup.py bdist_wheel -d $(MOD_SRC_DIR)/$${mod}/modules; \
+			cd $(MOD_SRC_DIR); \
 		fi; \
 		echo "making man page alias $$mod -> $$mod APIs";\
 		make -C $(KERNEL_SRC)/build M=$(MOD_SRC_DIR)/$${mod}/modules; \
@@ -40,9 +46,15 @@ override_dh_clean:
 		if [ $$mod = "s6100" ]; then \
 			rm -f $(MOD_SRC_DIR)/$${mod}/modules/dell_s6100_lpc.c; \
 			rm -f $(MOD_SRC_DIR)/$${mod}/modules/dell_ich.c; \
+			rm -f $(MOD_SRC_DIR)/$${mod}/modules/*.whl; \
+			rm -rf $(MOD_SRC_DIR)/$${mod}/build; \
+			rm -rf $(MOD_SRC_DIR)/$${mod}/build/*.egg-info; \
 		elif [ $$mod = "z9100" ]; then \
 			rm -f $(MOD_SRC_DIR)/$${mod}/modules/dell_mailbox.c; \
 			rm -f $(MOD_SRC_DIR)/$${mod}/modules/dell_ich.c; \
+			rm -f $(MOD_SRC_DIR)/$${mod}/modules/*.whl; \
+			rm -rf $(MOD_SRC_DIR)/$${mod}/build; \
+			rm -rf $(MOD_SRC_DIR)/$${mod}/build/*.egg-info; \
 		fi; \
 		make -C $(KERNEL_SRC)/build M=$(MOD_SRC_DIR)/$${mod}/modules clean; \
 	done)

platform/broadcom/sonic-platform-modules-dell/s6100/scripts/s6100_platform.sh

@@ -217,6 +217,14 @@ reset_muxes() {
     io_rd_wr.py --set --val 0xff --offset 0x20b
 }
 
+install_python_api_package() {
+    device="/usr/share/sonic/device"
+    platform=$(/usr/local/bin/sonic-cfggen -H -v DEVICE_METADATA.localhost.platform)
+
+    rv=$(pip install $device/$platform/sonic_platform-1.0-py2-none-any.whl)
+    echo "pip install result = $rv"
+}
+
 init_devnum
 
 if [[ "$1" == "init" ]]; then
@@ -235,6 +243,9 @@ if [[ "$1" == "init" ]]; then
     switch_board_qsfp "new_device"
     switch_board_qsfp_lpmode "disable"
     xcvr_presence_interrupts "enable"
+
+    install_python_api_package
+
 elif [[ "$1" == "deinit" ]]; then
     xcvr_presence_interrupts "disable"
     switch_board_sfp "delete_device"

platform/broadcom/sonic-platform-modules-dell/s6100/setup.py

@@ -0,0 +1,30 @@
+from setuptools import setup
+
+setup(
+    name='sonic-platform',
+    version='1.0',
+    description='SONiC platform API implementation on DellEmc Platforms',
+    license='Apache 2.0',
+    author='SONiC Team',
+    author_email='[email protected]',
+    url='https://github.com/Azure/sonic-buildimage',
+    maintainer='DellEMC',
+    maintainer_email='[email protected]',
+    packages=[
+        'sonic_platform',
+    ],
+    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 :: 2.7',
+        'Topic :: Utilities',
+    ],
+    keywords='sonic SONiC platform PLATFORM',
+)
+

platform/broadcom/sonic-platform-modules-dell/s6100/sonic_platform/__init__.py

@@ -0,0 +1,2 @@
+
+

platform/broadcom/sonic-platform-modules-dell/s6100/sonic_platform/chassis.py

@@ -0,0 +1,79 @@
+#!/usr/bin/env python
+
+#############################################################################
+# DELLEMC
+#
+# Module contains an implementation of SONiC Platform Base API and
+# provides the platform information
+#
+#############################################################################
+
+try:
+    import os
+    from sonic_platform_base.chassis_base import ChassisBase
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+
+class Chassis(ChassisBase):
+    """
+    DELLEMC Platform-specific Chassis class
+    """
+
+    HWMON_DIR = "/sys/devices/platform/SMF.512/hwmon/"
+    HWMON_NODE = os.listdir(HWMON_DIR)[0]
+    MAILBOX_DIR = HWMON_DIR + HWMON_NODE
+
+    reset_reason_dict = {}
+    reset_reason_dict[11] = [(ChassisBase.REBOOT_CAUSE_POWER_LOSS)]
+    reset_reason_dict[33] = [(ChassisBase.REBOOT_CAUSE_WATCHDOG)]
+    reset_reason_dict[44] = [(ChassisBase.REBOOT_CAUSE_NON_HARDWARE)]
+    reset_reason_dict[55] = [(ChassisBase.REBOOT_CAUSE_NON_HARDWARE)]
+
+    power_reason_dict = {}
+    power_reason_dict[11] = [(ChassisBase.REBOOT_CAUSE_POWER_LOSS)]
+    power_reason_dict[22] = [(ChassisBase.REBOOT_CAUSE_THERMAL_OVERLOAD_CPU)]
+    power_reason_dict[33] = [(ChassisBase.REBOOT_CAUSE_THERMAL_OVERLOAD_ASIC)]
+    power_reason_dict[44] = [(ChassisBase.REBOOT_CAUSE_INSUFFICIENT_FAN)]
+
+    def __init__(self):
+        ChassisBase.__init__(self)
+
+    def get_pmc_register(self, reg_name):
+        rv = 'ERR'
+        mb_reg_file = self.MAILBOX_DIR+'/'+reg_name
+
+        if (not os.path.isfile(mb_reg_file)):
+            print mb_reg_file,  'not found !'
+            return rv
+
+        try:
+            with open(mb_reg_file, 'r') as fd:
+                rv = fd.read()
+        except Exception as error:
+            logging.error("Unable to open ", mb_reg_file, "file !")
+
+        rv = rv.rstrip('\r\n')
+        rv = rv.lstrip(" ")
+        return rv
+
+    def get_reboot_cause(self):
+        """
+        Retrieves the cause of the previous reboot
+        """
+        reset_reason = int(self.get_pmc_register('smf_reset_reason'))
+        power_reason = int(self.get_pmc_register('smf_poweron_reason'))
+
+        # Reset_Reason = 11 ==> PowerLoss
+        # So return the reboot reason from Last Power_Reason Dictionary
+        # If Reset_Reason is not 11 return from Reset_Reason dictionary
+        # Also check if power_reason, reset_reason are valid values by
+        # checking key presence in dictionary else return empty tuple
+        if (reset_reason == 11):
+            if (power_reason in self.power_reason_dict):
+                return self.power_reason_dict[power_reason]
+        else:
+            if (reset_reason in self.reset_reason_dict):
+                return self.reset_reason_dict[reset_reason]
+        return ((),)
+

platform/broadcom/sonic-platform-modules-dell/z9100/scripts/z9100_platform.sh

@@ -200,6 +200,14 @@ init_switch_port_led() {
 
 }
 
+install_python_api_package() {
+    device="/usr/share/sonic/device"
+    platform=$(/usr/local/bin/sonic-cfggen -H -v DEVICE_METADATA.localhost.platform)
+
+    rv=$(pip install $device/$platform/sonic_platform-1.0-py2-none-any.whl)
+    echo "pip install result = $rv"
+}
+
 init_devnum
 
 if [[ "$1" == "init" ]]; then
@@ -220,6 +228,7 @@ if [[ "$1" == "init" ]]; then
 
     #Copy led_proc_init.soc
     init_switch_port_led
+    install_python_api_package
 
     value=0x0
     echo $value > /sys/class/i2c-adapter/i2c-14/14-003e/qsfp_lpmode

platform/broadcom/sonic-platform-modules-dell/z9100/setup.py

@@ -0,0 +1 @@
+../s6100/setup.py

platform/broadcom/sonic-platform-modules-dell/z9100/sonic_platform/__init__.py

@@ -0,0 +1 @@
+../../s6100/sonic_platform/__init__.py

platform/broadcom/sonic-platform-modules-dell/z9100/sonic_platform/chassis.py

@@ -0,0 +1 @@
+../../s6100/sonic_platform/chassis.py