[Dell]Poller to detecte Intel Rangely C2000 LPC degradation

platform/broadcom/sonic-platform-modules-dell/common/dell_lpc_mon.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+REV=$(lspci -xxx -s 0:0.0 | grep rev | awk -F 'rev ' '{print $2}' | sed 's/)//')
+if [ $REV -gt 2 ]
+then
+    exit 0
+fi
+
+test_val=(55 aa)
+num_val=${#test_val[@]}
+index=0
+poll_interval=300
+cpld_scratch_reg=0x102
+smf_scratch_reg=0x202
+
+function log_crit() {
+   local msg=$1
+
+  `logger -p user.crit -t DELL_LPC_BUS_MON $msg`
+}
+
+function validate_lpc() {
+    local reg=$1
+    local val=$2
+    local reg_str="CPLD scratch register"
+
+    if [ $reg == $smf_scratch_reg ]
+    then
+        reg_str="SMF scratch register"
+    fi
+    io_rd_wr.py --set --val $val --offset $reg
+    get_val=$(io_rd_wr.py  --get --offset $reg | cut -d " " -f3)
+    if [ $val != $get_val ]
+    then
+        log_crit "LPC bus has deteriorated on this unit. \
+                  $reg_str has value $get_val while expected is $val \
+                  Please contact technical support"
+    fi
+}
+while true
+do
+    val=${test_val[$index]}
+    validate_lpc $cpld_scratch_reg $val
+    validate_lpc $smf_scratch_reg $val
+    index=$(((index+1)%num_val))
+    sleep $poll_interval
+done

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

@@ -2,7 +2,9 @@ s6100/scripts/iom_power_*.sh usr/local/bin
 s6100/scripts/s6100_platform.sh usr/local/bin
 common/dell_i2c_utils.sh usr/local/bin
 common/io_rd_wr.py usr/local/bin
+common/dell_lpc_mon.sh 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/scripts/sensors usr/bin
 s6100/systemd/platform-modules-s6100.service etc/systemd/system
+s6100/systemd/s6100-lpc-monitor.service etc/systemd/system

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

@@ -4,4 +4,8 @@
 depmod -a 
 systemctl enable platform-modules-s6100.service
 systemctl start platform-modules-s6100.service
+
+systemctl enable s6100-lpc-monitor.service
+systemctl start s6100-lpc-monitor.service
+
 #DEBHELPER#

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

@@ -1,9 +1,11 @@
 z9100/scripts/check_qsfp.sh usr/local/bin
 z9100/scripts/z9100_platform.sh usr/local/bin
 common/dell_i2c_utils.sh usr/local/bin
+common/dell_lpc_mon.sh usr/local/bin
 common/io_rd_wr.py usr/local/bin
 common/platform_reboot usr/share/sonic/device/x86_64-dell_z9100_c2538-r0
 z9100/scripts/platform_sensors.py usr/local/bin
 z9100/scripts/sensors usr/bin
 z9100/cfg/z9100-modules.conf etc/modules-load.d
 z9100/systemd/platform-modules-z9100.service etc/systemd/system
+z9100/systemd/z9100-lpc-monitor.service etc/systemd/system

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

@@ -6,4 +6,7 @@ systemctl enable platform-modules-z9100.service
 systemctl start platform-modules-z9100.service
 
 
+systemctl enable z9100-lpc-monitor.service
+systemctl start z9100-lpc-monitor.service
+
 #DEBHELPER#

platform/broadcom/sonic-platform-modules-dell/s6100/systemd/s6100-lpc-monitor.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=Dell S6100 LPC bus monitoring poller
+DefaultDependencies=no
+
+[Service]
+User=root
+ExecStart=/usr/local/bin/dell_lpc_mon.sh
+RemainAfterExit=yes
+
+[Install]
+WantedBy=multi-user.target
+

platform/broadcom/sonic-platform-modules-dell/z9100/systemd/z9100-lpc-monitor.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=Dell Z9100 LPC bus monitoring poller
+DefaultDependencies=no
+
+[Service]
+User=root
+ExecStart=/usr/local/bin/dell_lpc_mon.sh
+RemainAfterExit=yes
+
+[Install]
+WantedBy=multi-user.target
+