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[DellEMC] S6100 Last Reboot Reason Thermal Support (#3767)
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97 changes: 97 additions & 0 deletions
97
platform/broadcom/sonic-platform-modules-dell/common/nvram_rd_wr.py
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| #!/usr/bin/python | ||
| #Script to read/write the nvram | ||
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| import sys | ||
| import os | ||
| import getopt | ||
| import struct | ||
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| nvram_resource='/dev/nvram' | ||
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| def usage(): | ||
| ''' This is the Usage Method ''' | ||
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| print 'Utility for NVRAM read/write' | ||
| print '\t\t nvram_rd_wr.py --get --offset <offset>' | ||
| print '\t\t nvram_rd_wr.py --set --val <val> --offset <offset>' | ||
| sys.exit(1) | ||
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| def nvram_reg_read(nvram_resource,offset): | ||
| fd=os.open(nvram_resource, os.O_RDONLY) | ||
| if(fd<0): | ||
| print 'file open failed %s"%nvram_resource' | ||
| return | ||
| if(os.lseek(fd, offset, os.SEEK_SET) != offset): | ||
| print 'lseek failed on %s'%nvram_resource | ||
| return | ||
| buf=os.read(fd,1) | ||
| reg_val1=ord(buf) | ||
| print 'value %x'%reg_val1 | ||
| os.close(fd) | ||
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| def nvram_reg_write(nvram_resource,offset,val): | ||
| fd=os.open(nvram_resource,os.O_RDWR) | ||
| if(fd<0): | ||
| print 'file open failed %s"%nvram_resource' | ||
| return | ||
| if(os.lseek(fd, offset, os.SEEK_SET) != offset): | ||
| print 'lseek failed on %s'%nvram_resource | ||
| return | ||
| ret=os.write(fd,struct.pack('B',val)) | ||
| if(ret != 1): | ||
| print 'write failed %d'%ret | ||
| return | ||
| os.close(fd) | ||
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| def main(argv): | ||
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| ''' The main function will read the user input from the | ||
| command line argument and process the request ''' | ||
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| opts = '' | ||
| val = '' | ||
| choice = '' | ||
| resouce = '' | ||
| offset = '' | ||
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| try: | ||
| opts, args = getopt.getopt(argv, "hgs:" , \ | ||
| ["val=","offset=","help", "get", "set"]) | ||
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| except getopt.GetoptError: | ||
| usage() | ||
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| if not os.path.exists(nvram_resource): | ||
| print 'NVRAM is not initialized' | ||
| sys.exit(1) | ||
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| for opt,arg in opts: | ||
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| if opt in ('-h','--help'): | ||
| choice = 'help' | ||
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| elif opt in ('-g', '--get'): | ||
| choice = 'get' | ||
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| elif opt in ('-s', '--set'): | ||
| choice = 'set' | ||
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| elif opt == '--offset': | ||
| offset = int(arg,16) - 0xE | ||
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| elif opt == '--val': | ||
| val = int(arg,16) | ||
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| if choice == 'get' and offset != '': | ||
| nvram_reg_read(nvram_resource,offset) | ||
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| elif choice == 'set' and offset != '' and val != '': | ||
| nvram_reg_write(nvram_resource,offset,val) | ||
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| else: | ||
| usage() | ||
|
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| #Calling the main method | ||
| if __name__ == "__main__": | ||
| main(sys.argv[1:]) | ||
|
|
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6 changes: 6 additions & 0 deletions
6
platform/broadcom/sonic-platform-modules-dell/s6100/scripts/fast-reboot_plugin
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| #!/bin/bash | ||
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| if [[ -d /sys/devices/platform/SMF.512/hwmon/ ]]; then | ||
| cd /sys/devices/platform/SMF.512/hwmon/* | ||
| echo 0xcc > mb_poweron_reason | ||
| fi |
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168 changes: 168 additions & 0 deletions
168
platform/broadcom/sonic-platform-modules-dell/s6100/scripts/track_reboot_reason.sh
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,168 @@ | ||
| #!/bin/bash | ||
|
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| reboot_dir_found=false | ||
| reboot_file_found=false | ||
| smf_dir_missing=0 | ||
| nvram_missing=0 | ||
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| REBOOT_CAUSE_FILE=/host/reboot-cause/reboot-cause.txt | ||
| REBOOT_REASON_FILE=/host/reboot-cause/platform/reboot_reason | ||
| BIOS_VERSION_FILE=/host/reboot-cause/platform/bios_minor_version | ||
| SMF_POWERON_REASON=/sys/devices/platform/SMF.512/hwmon/*/smf_poweron_reason | ||
| SMF_RESET_REASON=/sys/devices/platform/SMF.512/hwmon/*/smf_reset_reason | ||
| MAILBOX_POWERON_REASON=/sys/devices/platform/SMF.512/hwmon/*/mb_poweron_reason | ||
| NVRAM_DEVICE_FILE=/dev/nvram | ||
| RESET_REASON_FILE=/host/reboot-cause/platform/reset_reason | ||
| SMF_DIR=/sys/devices/platform/SMF.512/hwmon/ | ||
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| while [[ ! -d $SMF_DIR ]] | ||
| do | ||
| sleep 0.5 | ||
| let smf_dir_missing=$smf_dir_missing+1 | ||
| if [[ "$smf_dir_missing" = "5" ]]; then | ||
| echo "SMF is not initialized" | ||
| smf_dir_missing=0 | ||
| fi | ||
| done | ||
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| SMF_RESET=$(cat $SMF_RESET_REASON) | ||
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| if [[ -d /host/reboot-cause/platform ]]; then | ||
| reboot_dir_found=true | ||
| if [[ -f $REBOOT_REASON_FILE ]]; then | ||
| reboot_file_found=true | ||
| fi | ||
| fi | ||
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| SMF_BIOS_REG=$(io_rd_wr.py --get --offset 0x203 | cut -d " " -f 3) | ||
| SMF_BIOS_REG=$((16#$SMF_BIOS_REG)) | ||
| bios_secondary_boot=$(($SMF_BIOS_REG & 1)) | ||
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| _get_smf_reset_register(){ | ||
| BIOS_VERSION=$(/usr/sbin/dmidecode -s system-version) | ||
| BIOS_VERSION_MINOR=$(echo $BIOS_VERSION | cut -d'-' -f 2) | ||
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| if [[ $BIOS_VERSION_MINOR -gt 7 ]]; then | ||
| echo $BIOS_VERSION > $BIOS_VERSION_FILE | ||
| elif [[ "$bios_secondary_boot" = "0" ]]; then | ||
| # For Primary BIOS with older version | ||
| if [[ -e $BIOS_VERSION_FILE ]]; then | ||
| rm $BIOS_VERSION_FILE | ||
| fi | ||
| fi | ||
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| if [[ -e $BIOS_VERSION_FILE ]]; then | ||
| while [[ ! -e $NVRAM_DEVICE_FILE ]] | ||
| do | ||
| sleep 1 | ||
| let nvram_missing=$nvram_missing+1 | ||
| if [[ "$nvram_missing" = "5" ]]; then | ||
| echo "NVRAM is not initialized" | ||
| nvram_missing=0 | ||
| fi | ||
| done | ||
| first_reset=$(nvram_rd_wr.py --get --offset 0x5c | cut -d " " -f 2) | ||
| second_reset=$(nvram_rd_wr.py --get --offset 0x5d | cut -d " " -f 2) | ||
| third_reset=$(nvram_rd_wr.py --get --offset 0x5e | cut -d " " -f 2) | ||
| fourth_reset=$(nvram_rd_wr.py --get --offset 0x5f | cut -d " " -f 2) | ||
|
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| if [[ "$first_reset" != "ee" ]]; then | ||
| SMF_RESET=$first_reset | ||
| fi | ||
|
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| # Saving NVRAM values for future debugging | ||
| if [[ $reboot_dir_found = true ]]; then | ||
| echo "First reset - $first_reset" > $RESET_REASON_FILE | ||
| echo "Second reset - $second_reset" >> $RESET_REASON_FILE | ||
| echo "Third reset - $third_reset" >> $RESET_REASON_FILE | ||
| echo "Fourth reset - $fourth_reset" >> $RESET_REASON_FILE | ||
| fi | ||
|
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| # Clearing NVRAM values to holding next reset values | ||
| nvram_rd_wr.py --set --val 0xee --offset 0x58 | ||
| nvram_rd_wr.py --set --val 0xee --offset 0x5c | ||
| nvram_rd_wr.py --set --val 0xee --offset 0x5d | ||
| nvram_rd_wr.py --set --val 0xee --offset 0x5e | ||
| nvram_rd_wr.py --set --val 0xee --offset 0x5f | ||
| fi | ||
| } | ||
|
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| _is_thermal_reset() { | ||
| prev_thermal=$(cat $REBOOT_REASON_FILE) | ||
| curr_poweron_reason=$(cat $SMF_POWERON_REASON) | ||
| if [[ $curr_poweron_reason = "11" ]]; then | ||
| echo 0 | ||
| return | ||
| fi | ||
| if [[ $prev_thermal = $curr_poweron_reason ]]; then | ||
| echo 2 | ||
| return | ||
| else | ||
| echo "$curr_poweron_reason" > $REBOOT_REASON_FILE | ||
| echo 1 | ||
| return | ||
| fi | ||
|
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| echo 0 | ||
| return | ||
| } | ||
|
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| _is_watchdog_reset(){ | ||
| curr_reset_reason=$SMF_RESET | ||
| if [[ $curr_reset_reason = "33" ]]; then | ||
| echo 1 | ||
| return | ||
| fi | ||
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| echo 0 | ||
| return | ||
| } | ||
|
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| _is_unknown_reset(){ | ||
| if [[ -f $REBOOT_CAUSE_FILE ]]; then | ||
| if [[ $1 = 0 ]]; then | ||
| echo "Unknown software reboot" > $REBOOT_CAUSE_FILE | ||
| return | ||
| fi | ||
| curr_poweron_reason=$(cat $SMF_POWERON_REASON) | ||
| curr_reset_reason=$SMF_RESET | ||
| mb_poweron_reason=$(cat $MAILBOX_POWERON_REASON) | ||
| echo "Unknown POR: $curr_poweron_reason RST: $curr_reset_reason MBR: $mb_poweron_reason" > $REBOOT_CAUSE_FILE | ||
| fi | ||
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| } | ||
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| update_mailbox_register(){ | ||
| if [[ "$bios_secondary_boot" = "1" ]]; then | ||
| echo "Secondary BIOS booted" | ||
| fi | ||
|
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| if [[ $reboot_file_found = false ]]; then | ||
| echo "None" > $REBOOT_REASON_FILE | ||
| fi | ||
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| _get_smf_reset_register | ||
| if [[ -d /sys/devices/platform/SMF.512/hwmon/ ]]; then | ||
| is_thermal_reboot=$(_is_thermal_reset) | ||
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| is_wd_reboot=$(_is_watchdog_reset) | ||
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| mbr=$(cat $MAILBOX_POWERON_REASON) | ||
| reason=$(echo $mbr | cut -d 'x' -f2) | ||
| if [[ $reason = "ff" ]]; then | ||
| echo "None" > $REBOOT_REASON_FILE | ||
| echo 0xbb > $MAILBOX_POWERON_REASON | ||
| elif [[ $is_thermal_reboot = 1 ]]; then | ||
| echo 0xee > $MAILBOX_POWERON_REASON | ||
| elif [[ $is_wd_reboot = 1 ]] && [[ $reason != "cc" ]]; then | ||
| echo 0xdd > $MAILBOX_POWERON_REASON | ||
| elif [[ $reason = "cc" ]]; then | ||
| echo 0xaa > $MAILBOX_POWERON_REASON | ||
| else | ||
| _is_unknown_reset $is_thermal_reboot | ||
| echo 0x99 > $MAILBOX_POWERON_REASON | ||
| fi | ||
| fi | ||
| } | ||
|
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| update_mailbox_register |
1 change: 1 addition & 0 deletions
1
platform/broadcom/sonic-platform-modules-dell/s6100/scripts/warm-reboot_plugin
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| fast-reboot_plugin |
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