458 lines
13 KiB
Plaintext
458 lines
13 KiB
Plaintext
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#!/bin/sh
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# Copyright (c) 2003, 2004, 2008 International Business Machines
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# Common Public License Version 1.0 (see COPYRIGHT)
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#
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# Authors: John Rose <johnrose@us.ibm.com>
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# Mike Strosaker <strosake@austin.ibm.com>
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# Simple script to update flash. The kernel module rtas_flash does
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# the real work at reboot time.
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# This script has minimal dependencies so it can operate in a rescue
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# environment. This is probably overkill since it is easy enough to
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# flash without this script.
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#set -x
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# For now firmware can only handle 4k pages. At some point in the
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# future they will be able to handle large pages. When that (hopefully)
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# happens we will need to use getconf to retrieve the systems page size.
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PAGE_SIZE=4096
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# Error Codes
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E_SUCCESS=0 # Success
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E_UNSUPPORTED=1 # Flash update is not supported on this system
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E_USAGE=3 # Usage error
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E_PERM=4 # Permission error
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E_IMAGE=5 # Image file error
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E_PROC_FS=6 # Proc file either doesn't exist, or behaves unexpectedly
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E_MODULE=7 # Error loading module
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E_RTAS=8 # RTAS call failed
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E_USER=9 # User aborted operation
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E_OVERWRITE=10 # Auto overwrite permanent side image
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E_WRNTY=15 # Update Access Key Expired
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# Script Constants
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PATH=/sbin:/usr/sbin:/bin:/usr/bin:$PATH
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PROCFLASH=/proc/ppc64/rtas/firmware_update
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PROCMANAGE=/proc/ppc64/rtas/manage_flash
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PROCVALIDATE=/proc/ppc64/rtas/validate_flash
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OLDPROCFLASH=/proc/ppc64/rtas/firmware_flash
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PSERIES_PLATFORM=$(dirname $0)/pseries_platform
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# firmware_update Status Values
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FLASH_AUTH=-9002 # RTAS Not Service Authority Partition
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FLASH_NO_OP=-1099 # No operation initiated by user
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FLASH_IMG_SHORT=-1005 # Flash image shorter than expected
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FLASH_IMG_BAD_LEN=-1004 # Bad length value in flash list block
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FLASH_IMG_NULL_DATA=-1003 # Bad data value in flash list block
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FLASH_IMG_READY=0 # Firmware img ready for flash on reboot
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# manage_flash Status Values
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MANAGE_AUTH=-9002 # RTAS Not Service Authority Partition
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MANAGE_ACTIVE_ERR=-9001 # RTAS Cannot Overwrite Active Img
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MANAGE_NO_OP=-1099 # No operation initiated by user
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MANAGE_PARAM_ERR=-3 # RTAS Parameter Error
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MANAGE_HW_ERR=-1 # RTAS Hardware Error
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MANAGE_SUCCESS=0 # Operation Successful
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# validate_flash Status Values
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VALIDATE_AUTH=-9002 # RTAS Not Service Authority Partition
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VALIDATE_INCOMPLETE=-1002 # User copied < VALIDATE_BUF_SIZE
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VALIDATE_READY=-1001 # Firmware image ready for validation
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VALIDATE_PARAM_ERR=-3 # RTAS Parameter Error
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VALIDATE_HW_ERR=-1 # RTAS Hardware Error
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VALIDATE_TMP_UPDATE=0 # RPA Section 7.3, Table 63
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VALIDATE_FLASH_AUTH=1 # RPA Section 7.3, Table 63
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VALIDATE_INVALID_IMG=2 # RPA Section 7.3, Table 63
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VALIDATE_CUR_UNKNOWN=3 # RPA Section 7.3, Table 63
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VALIDATE_TMP_COMMIT_DL=4 # RPA Section 7.3, Table 63
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VALIDATE_TMP_COMMIT=5 # RPA Section 7.3, Table 63
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VALIDATE_TMP_UPDATE_DL=6 # RPA Section 7.3, Table 63
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VALIDATE_OUT_OF_WRNTY=7 # RPA Section 7.3, Table 63
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error() {
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local exit_code=$1
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if [ $# -lt 1 ]; then
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echo "error(): usage" >&2
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return $E_USAGE
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fi
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shift;
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echo update_flash: $* >&2
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exit $exit_code
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}
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usage() {
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local exit_code;
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if [ "$1" == $E_SUCCESS ]; then
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exit_code=$E_SUCCESS
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else
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exit_code=$E_USAGE
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fi
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echo "USAGE: update_flash {-h | -s | -r | -c | [-v|-n] -f <image filename>}" >&2
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echo " -h Print this message." >&2
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echo " -s Determine if partition has access to" >&2
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echo " perform flash image management." >&2
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echo " -r Reject temporary image." >&2
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echo " -c Commit temporary image." >&2
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echo " -v Validate ONLY with given image file." >&2
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echo " -n Do not overwrite Permanent side" >&2
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echo " image automatically." >&2
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echo " -f <filename> Update with given image file. If possible," >&2
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echo " the image is automatically validated prior" >&2
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echo " to update." >&2
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echo "" >&2
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exit $exit_code
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}
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query_support() {
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local exit_status=$E_UNSUPPORTED
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if [ ! -r "$PROCVALIDATE" ]; then
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modprobe rtas_flash || error $E_MODULE "could not load rtas_flash kernel module"
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fi
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if [ -e "/proc/device-tree/rtas/ibm,manage-flash-image" ]; then
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grep \\"$VALIDATE_AUTH" "$PROCVALIDATE" > /dev/null
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if [ $? -ne 0 ]; then
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# validate-flash did not return "not authorized"
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head --bytes=4k /dev/zero > $PROCVALIDATE 2>/dev/null
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grep 1 "$PROCVALIDATE" > /dev/null
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if [ $? -ne 0 ]; then
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# validate-flash did not return "not authorized"
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exit_status=0
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fi
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fi
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else
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if [ -e "/proc/device-tree/rtas/ibm,update-flash-64-and-reboot" ] || [ -e "/proc/device-tree/rtas/udpate-flash-and-reboot" ]; then
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exit_status=0
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fi
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fi
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if [ $exit_status -ne 0 ]; then
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echo update_flash: flash image cannot be managed from this partition
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else
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echo update_flash: flash image management is supported
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fi
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exit $exit_status;
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}
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echo_validate_rtas_buf() {
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local output="$1"
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local cur_t_name=$(echo "$output" | grep "^MI" | head -n 1 | awk ' { print $2 } ')
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local cur_p_name=$(echo "$output" | grep "^MI" | head -n 1 | awk ' { print $3 } ')
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local new_t_name=$(echo "$output" | grep "^MI" | tail -n 1 | awk ' { print $2 } ')
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local new_p_name=$(echo "$output" | grep "^MI" | tail -n 1 | awk ' { print $3 } ')
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echo "Projected Flash Update Results:"
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echo "Current T Image: $cur_t_name"
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echo "Current P Image: $cur_p_name"
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echo "New T Image: $new_t_name"
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echo "New P Image: $new_p_name"
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}
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echo_entitlement_expiry_date() {
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local build_date=`cat $PROCVALIDATE | grep "^MG" | tail -n 1 | cut -d " " -f2`
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local entl_date=`cat $PROCVALIDATE | grep "^ME" | cut -d " " -f2`
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echo "The selected firmware image cannot be applied."
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echo ""
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echo -n "The Build Date of the firmware image selected is "
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if [ "$build_date" != "" ]; then
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echo "$(date --date=$build_date +"%B %d, %Y")."
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else
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echo "UNKNOWN."
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fi
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echo -n "The System's Update Access Key Expiration Date is "
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if [ "$entl_date" != "" ]; then
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echo "$(date --date=$entl_date +"%B %d, %Y")."
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else
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echo "UNKNOWN."
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fi
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echo ""
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echo "Please go to http://www.ibm.com/servers/eserver/ess to obtain "
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echo "a replacement update access key."
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}
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echo_validate_return_status() {
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local output="$1"
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local rc=$(echo "$output" | head -n 1)
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local rtas_buf=$(echo "$output" | tail -n +2)
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[ $# -eq 1 ] || error $E_USAGE "echo_validate_return_status(): usage"
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case "$rc" in
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$VALIDATE_PARAM_ERR)
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error $E_RTAS "RTAS: validate() Parameter Error";;
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$VALIDATE_HW_ERR)
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error $E_RTAS "RTAS: validate() Hardware Error";;
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$VALIDATE_FLASH_AUTH)
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error $E_RTAS "RTAS: validate() Partition does not have authority";;
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$VALIDATE_AUTH)
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error $E_RTAS "RTAS: validate() Partition does not have authority";;
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$VALIDATE_INVALID_IMG)
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error $E_RTAS "RTAS: validate() Invalid candidate image for this platform";;
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$VALIDATE_TMP_UPDATE)
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echo "info: Temporary side will be updated with a newer or"
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echo "identical image";;
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$VALIDATE_CUR_UNKNOWN)
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echo "info: Current fixpack level is unknown";;
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$VALIDATE_TMP_COMMIT_DL)
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echo "info: Current Temporary image will be committed to"
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echo "Permanent side before being replaced with new image, and"
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echo "the new image is downlevel from current image";;
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$VALIDATE_TMP_COMMIT)
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echo "info: Current Temporary side will be committed to"
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echo "Permanent side before being replaced with the new image";;
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$VALIDATE_TMP_UPDATE_DL)
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echo "info: Temporary side will be updated with a downlevel"
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echo "image";;
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$VALIDATE_OUT_OF_WRNTY)
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echo_entitlement_expiry_date
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error $E_WRNTY "Please contact your service support structure.";;
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*) error $E_RTAS "RTAS: Unknown validate-flash-image Return Status"
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esac
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echo
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echo_validate_rtas_buf "$rtas_buf"
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# Do not commit T side image to P side
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if [ $no_overwrite_opt -eq 1 ]; then
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if [ $rc -eq $VALIDATE_TMP_COMMIT_DL ] || [ $rc -eq $VALIDATE_TMP_COMMIT ]; then
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echo ""
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echo "update_flash: Run without -n option to flash new image"
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exit $E_OVERWRITE
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fi
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fi
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}
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validate_flash() {
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local img_file=$1
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local output=""
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[ $# -eq 1 ] || error $E_USAGE "validate_flash(): usage"
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[ -r $PROCVALIDATE ] || return $E_PROC_FS
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grep \\"$VALIDATE_AUTH" "$PROCVALIDATE" > /dev/null
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if [ $? -eq 0 ]; then # validate-flash returned "not authorized"
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return $E_RTAS
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fi
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# Copy image file to proc file
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cp "$img_file" "$PROCVALIDATE" || error $E_PROC_FS "error copying flash image to rtas_flash validate module"
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# Display appropriate message, exiting if necessary
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output="$(cat $PROCVALIDATE)"
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echo_validate_return_status "$output"
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return 0
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}
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validate_flash_from_file() {
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local img_file=$1
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[ $# -eq 1 ] || error $E_USAGE "validate_flash_from_file(): usage"
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if [ ! -r "$PROCVALIDATE" ]; then
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modprobe rtas_flash || error $E_MODULE "could not load rtas_flash kernel module"
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[ -r "$PROCVALIDATE" ] || error $E_PROC_FS "rtas_flash kernel module did not create $PROCVALIDATE"
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fi
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if validate_flash $img_file; then
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return 0;
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else
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case "$?" in
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$E_PROC_FS) error $E_PROC_FS "validate: $PROCVALIDATE does not exist";;
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$E_RTAS) error $E_RTAS "validate: firmware validation not supported on this system";;
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esac
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fi
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}
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echo_update_status() {
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local rc="$1"
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[ $# -eq 1 ] || error $E_USAGE "echo_update_status(): usage"
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case "$rc" in
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$FLASH_AUTH)
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error $E_RTAS "RTAS: Partition does not have authority";;
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$FLASH_IMG_SHORT)
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error $E_IMAGE "Flash image shorter than expected";;
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$FLASH_IMG_BAD_LEN)
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error $E_PROC_FS "Bad length value in flash list block";;
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$FLASH_IMG_NULL_DATA)
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error $E_PROC_FS "Bad data value in flash list block";;
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$FLASH_IMG_READY)
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echo "Flash image ready...rebooting the system...";;
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*) error $E_PROC_FS "RTAS: Unknown update flash status"
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esac
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}
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update_flash_from_file() {
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local img_file=$1
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local output=""
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local oldkernel=0
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[ $# -eq 1 ] || error $E_USAGE "update_flash_from_file(): usage"
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[ -r "$img_file" ] || error $E_IMAGE "cannot read $img_file"
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flashfile=$PROCFLASH
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if [ ! -r "$PROCFLASH" ]; then
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modprobe rtas_flash
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if [ ! -r "$PROCFLASH" ]; then
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if [ -r "$OLDPROCFLASH" ]; then
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oldkernel=1
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else
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error $E_PROC_FS "rtas_flash kernel module did not create $PROCFLASH"
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fi
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fi
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fi
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if [ -r "$PROCVALIDATE" ]; then
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validate_flash "$img_file"
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fi
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if [ $oldkernel -eq 0 ]; then
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dd if="$img_file" of="$PROCFLASH" bs=$PAGE_SIZE 2>/dev/null || error $E_PROC_FS "error copying flash image to rtas_flash kernel module"
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output="$(cat $PROCFLASH)"
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echo_update_status "$output"
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else
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dd if="$img_file" of="$OLDPROCFLASH" bs=PAGE_SIZE 2>/dev/null || error $E_PROC_FS "error copying flash image to rtas_flash kernel module"
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cat "$OLDPROCFLASH"
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fi
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#XXX
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reboot
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return 0;
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}
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echo_manage_return_status() {
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local is_commit=$1
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local output=$2
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local rc=$(echo $output)
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[ $# -eq 2 ] || error $E_USAGE "echo_manage_return_status(): usage"
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case "$rc" in
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$MANAGE_AUTH)
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error $E_RTAS "RTAS: manage() Partition does not have authority";;
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$MANAGE_ACTIVE_ERR)
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error $E_RTAS "RTAS: manage() Cannot Overwrite the Active Firmware Image";;
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$MANAGE_PARAM_ERR)
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error $E_RTAS "RTAS: manage() Parameter Error";;
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$MANAGE_HW_ERR)
|
||
|
|
error $E_RTAS "RTAS: manage() Hardware Error";;
|
||
|
|
$MANAGE_SUCCESS)
|
||
|
|
if [ $is_commit -eq 0 ]; then
|
||
|
|
echo "success: Rejected temporary firmware image"
|
||
|
|
else
|
||
|
|
echo "success: Committed temporary firmware image"
|
||
|
|
fi
|
||
|
|
;;
|
||
|
|
*) error $E_RTAS "Unknown manage-flash-image Return Status"
|
||
|
|
esac
|
||
|
|
}
|
||
|
|
|
||
|
|
manage_flash() {
|
||
|
|
local is_commit=$1
|
||
|
|
local commit_str="1"
|
||
|
|
local reject_str="0"
|
||
|
|
local output=""
|
||
|
|
|
||
|
|
[ $# -eq 1 ] || error $E_USAGE "manage_flash(): usage"
|
||
|
|
|
||
|
|
if [ ! -r "$PROCMANAGE" ]; then
|
||
|
|
modprobe rtas_flash || error $E_MODULE "could not load rtas_flash kernel module"
|
||
|
|
[ -r "$PROCMANAGE" ] || error $E_PROC_FS "rtas_flash kernel module did not create $PROCMANAGE"
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ $is_commit -eq 1 ]; then
|
||
|
|
echo $commit_str > $PROCMANAGE
|
||
|
|
else
|
||
|
|
echo $reject_str > $PROCMANAGE
|
||
|
|
fi
|
||
|
|
|
||
|
|
output=$(cat $PROCMANAGE)
|
||
|
|
|
||
|
|
echo_manage_return_status $is_commit "$output"
|
||
|
|
|
||
|
|
if echo $output | grep "^success" > /dev/null; then
|
||
|
|
return 0
|
||
|
|
else
|
||
|
|
return $E_RTAS
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
|
||
|
|
file=""
|
||
|
|
check_opt=0
|
||
|
|
commit_opt=0
|
||
|
|
reject_opt=0
|
||
|
|
validate_opt=0
|
||
|
|
no_overwrite_opt=0
|
||
|
|
file_opt=0
|
||
|
|
|
||
|
|
[ -d /proc/device-tree ] || error $E_PROC_FS "iSeries or /proc not mounted"
|
||
|
|
#XXX
|
||
|
|
#[ "`whoami`" = "root" ] || error $E_PERM "must be root to execute this command"
|
||
|
|
|
||
|
|
# Check for platform and if PowerNV call update_flash_nv
|
||
|
|
|
||
|
|
# PowerNV update_flash tool
|
||
|
|
UPDATE_FLASH_NV=$(dirname $0)/update_flash_nv
|
||
|
|
|
||
|
|
. $PSERIES_PLATFORM
|
||
|
|
case "$platform" in
|
||
|
|
$PLATFORM_UNKNOWN | $PLATFORM_POWERKVM_GUEST)
|
||
|
|
echo "update_flash: is not supported on the $platform_name platform"
|
||
|
|
exit 1;;
|
||
|
|
$PLATFORM_POWERKVM_HOST)
|
||
|
|
if [ ! -r "$UPDATE_FLASH_NV" ]; then
|
||
|
|
error $E_PERM "Couldn't find $UPDATE_FLASH_NV file."
|
||
|
|
fi
|
||
|
|
/bin/sh $UPDATE_FLASH_NV $@
|
||
|
|
exit $?
|
||
|
|
esac
|
||
|
|
|
||
|
|
while [ -n "$1" ]; do
|
||
|
|
arg="$1"
|
||
|
|
shift
|
||
|
|
case "$arg" in
|
||
|
|
-q|-l|-D|-S) error $E_USAGE "the $arg option is not implemented";;
|
||
|
|
-h) usage $E_SUCCESS;;
|
||
|
|
-s) check_opt=1;;
|
||
|
|
-c) commit_opt=1;;
|
||
|
|
-r) reject_opt=1;;
|
||
|
|
-v) validate_opt=1;;
|
||
|
|
-n) no_overwrite_opt=1;;
|
||
|
|
-f) file_opt=1; file="$1"; shift;;
|
||
|
|
*) error $E_USAGE "unknown option $arg"
|
||
|
|
esac
|
||
|
|
done
|
||
|
|
|
||
|
|
if [ -n "$file" ]; then
|
||
|
|
if [ $commit_opt -eq 1 ] || [ $reject_opt -eq 1 ] ||
|
||
|
|
[ $check_opt -eq 1 ]; then
|
||
|
|
usage
|
||
|
|
elif [ $validate_opt -eq 1 ] && [ $no_overwrite_opt -eq 1 ]; then
|
||
|
|
usage
|
||
|
|
elif [ $validate_opt -eq 1 ]; then
|
||
|
|
validate_flash_from_file $file
|
||
|
|
else
|
||
|
|
update_flash_from_file $file
|
||
|
|
fi
|
||
|
|
else
|
||
|
|
[ $check_opt -eq 1 ] && query_support
|
||
|
|
[ $commit_opt -eq 0 ] && [ $reject_opt -eq 0 ] && usage
|
||
|
|
[ $commit_opt -eq 1 ] && [ $reject_opt -eq 1 ] && usage
|
||
|
|
manage_flash $commit_opt
|
||
|
|
fi
|