DellEMC: Platform 2.0 Api - Component for z9264f (#4091)

platform/broadcom/sonic-platform-modules-dell/z9264f/scripts/z9264f_platform.sh

@@ -139,6 +139,51 @@ remove_python_api_package() {
     fi
 }
 
+# Readout firmware version of the system and
+# store in /var/log/firmware_versions
+platform_firmware_versions()
+{
+    FIRMWARE_VERSION_FILE=/var/log/firmware_versions
+    rm -rf ${FIRMWARE_VERSION_FILE}
+    echo "BIOS: `dmidecode -s system-version `" > $FIRMWARE_VERSION_FILE
+
+    ## Get FPGA version
+    r=`/usr/bin/pcisysfs.py  --get --offset 0x00 --res /sys/bus/pci/devices/0000\:04\:00.0/resource0 | sed  '1d; s/.*\(....\)$/\1/; s/\(..\{1\}\)/\1./'`
+    r_min=$(echo $r | sed 's/.*\(..\)$/0x\1/')
+    r_maj=$(echo $r | sed 's/^\(..\).*/0x\1/')
+    echo "FPGA: $((r_maj)).$((r_min))" >> $FIRMWARE_VERSION_FILE
+
+    ## Get BMC Firmware Revision
+    r=`cat /sys/class/ipmi/ipmi0/device/bmc/firmware_revision`
+    echo "BMC: $r" >> $FIRMWARE_VERSION_FILE
+
+    #System CPLD 0x31 on i2c bus 601 ( physical FPGA I2C-2)
+    r_min=`/usr/sbin/i2cget -y 601 0x31 0x0 | sed ' s/.*\(0x..\)$/\1/'`
+    r_maj=`/usr/sbin/i2cget -y 601 0x31 0x1 | sed ' s/.*\(0x..\)$/\1/'`
+    echo "System CPLD: $((r_maj)).$((r_min))" >> $FIRMWARE_VERSION_FILE
+
+    #Slave CPLD 1 0x30 on i2c bus 600 ( physical FPGA I2C-1)
+    r_min=`/usr/sbin/i2cget -y 600 0x30 0x0 | sed ' s/.*\(0x..\)$/\1/'`
+    r_maj=`/usr/sbin/i2cget -y 600 0x30 0x1 | sed ' s/.*\(0x..\)$/\1/'`
+    echo "Slave CPLD 1: $((r_maj)).$((r_min))" >> $FIRMWARE_VERSION_FILE
+
+    #Slave CPLD 2 0x31 on i2c bus 600 ( physical FPGA I2C-1)
+    r_min=`/usr/sbin/i2cget -y 600 0x31 0x0 | sed ' s/.*\(0x..\)$/\1/'`
+    r_maj=`/usr/sbin/i2cget -y 600 0x31 0x1 | sed ' s/.*\(0x..\)$/\1/'`
+    echo "Slave CPLD 2: $((r_maj)).$((r_min))" >> $FIRMWARE_VERSION_FILE
+
+    #Slave CPLD 3 0x32 on i2c bus 600 ( physical FPGA I2C-1)
+    r_min=`/usr/sbin/i2cget -y 600 0x32 0x0 | sed ' s/.*\(0x..\)$/\1/'`
+    r_maj=`/usr/sbin/i2cget -y 600 0x32 0x1 | sed ' s/.*\(0x..\)$/\1/'`
+    echo "Slave CPLD 3: $((r_maj)).$((r_min))" >> $FIRMWARE_VERSION_FILE
+
+    #Slave CPLD 4 0x33 on i2c bus 600 ( physical FPGA I2C-1)
+    r_min=`/usr/sbin/i2cget -y 600 0x33 0x0 | sed ' s/.*\(0x..\)$/\1/'`
+    r_maj=`/usr/sbin/i2cget -y 600 0x33 0x1 | sed ' s/.*\(0x..\)$/\1/'`
+    echo "Slave CPLD 4: $((r_maj)).$((r_min))" >> $FIRMWARE_VERSION_FILE
+}
+
+
 init_devnum
 
 if [ "$1" == "init" ]; then
@@ -156,6 +201,7 @@ if [ "$1" == "init" ]; then
     init_switch_port_led
     install_python_api_package
     python /usr/bin/qsfp_irq_enable.py
+    platform_firmware_versions
 
 elif [ "$1" == "deinit" ]; then
     sys_eeprom "delete_device"

platform/broadcom/sonic-platform-modules-dell/z9264f/sonic_platform/chassis.py

@@ -14,11 +14,13 @@ try:
     from sonic_platform_base.chassis_base import ChassisBase
     from sonic_platform.sfp import Sfp
     from sonic_platform.eeprom import Eeprom
+    from sonic_platform.component import Component
     from sonic_platform.psu import Psu
     from sonic_platform.thermal import Thermal
 except ImportError as e:
     raise ImportError(str(e) + "- required module not found")
 
+MAX_Z9264F_COMPONENT = 8 # BIOS,BMC,FPGA,SYSTEM CPLD,4 SLAVE CPLDs
 MAX_Z9264F_PSU = 2
 MAX_Z9264F_THERMAL = 8
 
@@ -55,15 +57,19 @@ class Chassis(ChassisBase):
             self._sfp_list.append(sfp_node)
 
         self._eeprom = Eeprom()
-
+        
+        for i in range(MAX_Z9264F_COMPONENT):
+            component = Component(i)
+            self._component_list.append(component)
+            
         for i in range(MAX_Z9264F_PSU):
             psu = Psu(i)
             self._psu_list.append(psu)
-
+            
         for i in range(MAX_Z9264F_THERMAL):
             thermal = Thermal(i)
             self._thermal_list.append(thermal)
-
+        
         for port_num in range(self.PORT_START, (self.PORT_END + 1)):
             presence = self.get_sfp(port_num).get_presence()
             if presence:

platform/broadcom/sonic-platform-modules-dell/z9264f/sonic_platform/component.py

@@ -0,0 +1,91 @@
+#!/usr/bin/env python
+
+########################################################################
+# DELLEMC Z9264F
+#
+# Module contains an implementation of SONiC Platform Base API and
+# provides the Components' (e.g., BIOS, CPLD, FPGA, BMC etc.) available in
+# the platform
+#
+########################################################################
+
+try:
+    import os
+    import re
+    from sonic_platform_base.component_base import ComponentBase
+
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+FIRMWARE_VERSION_FILE="/var/log/firmware_versions"
+
+class Component(ComponentBase):
+    """DellEMC Platform-specific Component class"""
+
+    CHASSIS_COMPONENTS = [
+        ["BIOS", ("Performs initialization of hardware components during "
+                                                                 "booting")],
+        ["FPGA", ("Used for managing the system LEDs")],
+        ["BMC", ("Platform management controller for on-board temperature "
+                         "monitoring, in-chassis power, Fan and LED control")],
+        ["System CPLD", ("Used for managing the CPU power sequence and CPU states")],
+        ["Slave CPLD 1", ("Used for managing QSFP/QSFP28 port transceivers (1-16)")],
+        ["Slave CPLD 2", ("Used for managing QSFP/QSFP28 port transceivers (17-32)")],
+        ["Slave CPLD 3", ("Used for managing QSFP/QSFP28 port transceivers (33-48)")],
+        ["Slave CPLD 4", ("Used for managing QSFP/QSFP28 port transceivers (49-64) and SFP/SFP28 "
+                                                              "port transceivers (65 and 66)")],
+                                                                                        ]
+    def __init__(self, component_index=0):
+        self.index = component_index
+        self.name = self.CHASSIS_COMPONENTS[self.index][0]
+        self.description = self.CHASSIS_COMPONENTS[self.index][1]
+
+    def get_name(self):
+        """
+        Retrieves the name of the component
+        Returns:
+        A string containing the name of the component
+        """
+        return self.name
+
+    
+    def get_description(self):
+        """
+        Retrieves the description of the component
+        Returns:
+        A string containing the description of the component
+        """
+        return self.description
+
+    def get_firmware_version(self):
+        """
+        Retrieves the firmware version of the component
+        Returns:
+            A string containing the firmware version of the component
+        """
+        rv = ""
+        try:
+            fd = open(FIRMWARE_VERSION_FILE,"r")
+        except IOError:
+            return rv
+        version_contents = fd.read()
+        fd.close()
+        if not version_contents:
+            return rv
+        if self.index < 8:
+            version = re.search(r''+self.CHASSIS_COMPONENTS[self.index][0]+':(.*)',version_contents)
+            if version:
+                rv = version.group(1).strip()
+        return rv
+                                                                                                                                                            
+    def install_firmware(self, image_path):
+        """
+        Installs firmware to the component
+        Args:
+        image_path: A string, path to firmware image
+        Returns:
+        A boolean, True if install was successful, False if not
+        """
+        return False
+
+