From 4c67ea0039d4652b0109614b68d1c1072982d2dd1d160cbcc958d6ca581cc404 Mon Sep 17 00:00:00 2001 From: Mark Post Date: Thu, 9 Nov 2017 20:49:43 +0000 Subject: [PATCH] Accepting request 540339 from home:markkp:branches:Base:System - Updated the cputype script to recognize the new IBM z14 processor (bsc#1049843). - Re-instated the new versions of ctc_configure, dasd_configure, qeth_configure, zfcp_disk_configure, zfcp_host_configure. OBS-URL: https://build.opensuse.org/request/show/540339 OBS-URL: https://build.opensuse.org/package/show/Base:System/s390-tools?expand=0&rev=29 --- cputype | 3 +- ctc_configure | 363 +++++++---------------------- dasd_configure | 475 +++++++++---------------------------- qeth_configure | 554 +++++++++++--------------------------------- s390-tools.changes | 8 + zfcp_disk_configure | 336 ++++----------------------- zfcp_host_configure | 213 +++++------------ 7 files changed, 447 insertions(+), 1505 deletions(-) diff --git a/cputype b/cputype index 572f528..2fbdecc 100644 --- a/cputype +++ b/cputype @@ -2,7 +2,7 @@ # # cputype # -# Copyright (c) 2014-2016 SUSE LINUX GmbH, Nuernberg, Germany. +# Copyright (c) 2014-2017 SUSE LINUX GmbH, Nuernberg, Germany. # # Based on the IBM machine model, returns a (hopefully) human understandable # string that identifies the processor. @@ -58,6 +58,7 @@ case "${machine}" in 2828) echo "${machine} = z12-BC IBM zEnterprise BC12" ;; 2964) echo "${machine} = z13 IBM z13" ;; 2965) echo "${machine} = z13s IBM z13s (single frame)" ;; + 3906) echo "${machine} = z14 IBM z14" ;; *) echo "An unknown machine type was reported: ${machine}" >&2 echo "Please file a bug report with this output:" >&2 /bin/cat /proc/cpuinfo >&2 diff --git a/ctc_configure b/ctc_configure index ddaeaf0..590f00b 100644 --- a/ctc_configure +++ b/ctc_configure @@ -2,316 +2,127 @@ # # ctc_configure # -# Configures a CTC device +# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany. +# +# Configures a CTC device by calling the IBM-provided chzdev command. +# Whereas this script used to validate the parameters provided to it, +# we now rely on chzdev to do that instead. The script is intended only +# as a "translation layer" to provide backward compatability for older +# scripts and tools that invoke it. # # Usage: # ctc_configure [] # # read/write channel = x.y.ssss where -# x is always 0 until IBM creates something that uses that number -# y is the logical channel subsystem (lcss) number. Most often this is 0, but it could be non-zero -# ssss is the four digit subchannel address of the device, in hexidecimal, with leading zeros. +# x is always 0 until IBM creates something that +# uses that number +# y is the logical channel subsystem (lcss) number. +# Most often this is 0, but it could be non-zero +# ssss is the four digit subchannel address of the +# device, in hexidecimal, with leading zeros. # online = 0 to take the device offline # 1 to bring the device online -# protocol = 0 Compatibility with peers other than OS/390®, or z/OS, for example, a z/VM TCP service machine. This is the default. +# protocol = 0 Compatibility with peers other than OS/390®, or z/OS, for +# example, a z/VM TCP service machine. This is the default. # 1 Enhanced package checking for Linux peers. # 3 For compatibility with OS/390 or z/OS peers. -# 4 For MPC connections to VTAM on traditional mainframe operating systems. +# 4 For MPC connections to VTAM on traditional mainframe +# operating systems. # # Return values: -# 1 sysfs not mounted -# 2 Invalid status for -# 3 No device found for read-channel -# 4 No device found for write-channel -# 5 Invalid device type -# 6 Device type mismatch -# 7 Could not load module -# 8 CCW devices grouped different devices -# 9 Could not group devices -# 10 Could not set device online -# 11 Could not set device offline +# Return codes are determined by the chzdev command. # -if [ "${DEBUG}" != "yes" ]; then - DEBUG="no" -fi - -DATUM=$(date) - -add_channel_for_cio() { - echo "$* # $DATUM" >> /boot/zipl/active_devices.txt -} - -remove_channel_for_cio() { - [ -w /boot/zipl/active_devices.txt ] && sed -i -e "/^$1/d" /boot/zipl/active_devices.txt -} - mesg () { echo "$@" } debug_mesg () { - case "$DEBUG" in - yes) mesg "$@" ;; - *) ;; + case "${DEBUG}" in + yes) mesg "$@" ;; + *) ;; esac } -# Get the mount point for sysfs -while read MNTPT MNTDIR MNTSYS MNTTYPE; do - if test "$MNTSYS" = "sysfs"; then - SYSFS="$MNTDIR" - break; - fi -done > /boot/zipl/active_devices.txt +} -if [ -z "$SYSFS" ]; then - mesg "/sysfs not present" - exit 1 +remove_cio_channel() { + [ -w /boot/zipl/active_devices.txt ] && sed -i -e "/^${1}/d" /boot/zipl/active_devices.txt +} + +usage(){ + echo "Usage: ${0} []" + echo " read/write channel = x.y.ssss where" + echo " x is always 0 until IBM creates something that" + echo " uses that number" + echo " y is the logical channel subsystem (lcss) number." + echo " Most often this is 0, but it could be non-zero" + echo " ssss is the four digit subchannel address of the" + echo " device, in hexidecimal, with leading zeros." + echo " online = 0 to take the device offline" + echo " 1 to bring the device online" + echo " protocol = 0 Compatibility with peers other than OS/390®, or z/OS, for" + echo " example, a z/VM TCP service machine. This is the default." + echo " 1 Enhanced package checking for Linux peers." + echo " 3 For compatibility with OS/390 or z/OS peers." + echo " 4 For MPC connections to VTAM on traditional mainframe" + echo " operating systems." +} + +if [ "${DEBUG}" != "yes" ]; then + DEBUG="no" fi -if [ $# -lt 3 ] ; then - echo "Usage: $0 []" - echo " read/write channel = x.y.ssss where" - echo " x is always 0 until IBM creates something that uses that number" - echo " y is the logical channel subsystem (lcss) number. Most often this is 0, but it could be non-zero" - echo " ssss is the four digit subchannel address of the device, in hexidecimal, with leading zeros." - echo " online = 0 to take the device offline" - echo " 1 to bring the device online" - echo " protocol = 0 Compatibility with peers other than OS/390®, or z/OS, for example, a z/VM TCP service machine. This is the default." - echo " 1 Enhanced package checking for Linux peers." - echo " 3 For compatibility with OS/390 or z/OS peers." - echo " 4 For MPC connections to VTAM on traditional mainframe operating systems." - exit 1 +DATE=$(date) + +CTC_READ_CHAN=${1} +CTC_WRITE_CHAN=${2} +ON_OFF=${3} +CTC_MODE=${4} + +if [ -z "${CTC_READ_CHAN}" ] || [ -z "${CTC_WRITE_CHAN}" ] || [ -z "${ON_OFF}" ]; then + mesg "You didn't specify all the needed parameters." + usage + exit 1 fi -CTC_READ_CHAN=$1 -CTC_WRITE_CHAN=$2 -ONLINE=$3 -CTC_MODE=$4 - -[ -z "$CTC_MODE" ] && CTC_MODE=0 - -if [ -z "$ONLINE" ] || [ "$ONLINE" -ne "1" -a "$ONLINE" -ne "0" ]; then - mesg "Invalid device status $ONLINE" - exit 2 +if [ -z "${CTC_MODE}" ]; then + PARM_LIST="${PARM_LIST} protocol=0" +else PARM_LIST="${PARM_LIST} protocol=${CTC_MODE}" fi -_ccw_dir=${SYSFS}/bus/ccw/devices - -debug_mesg "Configuring CTC/LCS device ${CTC_READ_CHAN}/${CTC_WRITE_CHAN}" - - -if test ! -d "$_ccw_dir/$CTC_READ_CHAN" ; then - mesg "device $_ccw_dir/$CTC_READ_CHAN does not exist" - exit 3 -fi -if test ! -d "$_ccw_dir/$CTC_WRITE_CHAN" ; then - mesg "device $_ccw_dir/$CTC_WRITE_CHAN does not exist" - exit 4 +if [ -f /sys/bus/ccw/devices/${CTC_READ_CHAN}/cutype ]; then + read CU_TYPE < /sys/bus/ccw/devices/${CTC_READ_CHAN}/cutype +else mesg "Psuedo file/sys/bus/ccw/devices/${CTC_READ_CHAN}/cutype doesn't exist." + mesg "Check to see if sysfs is mounted." + exit 1 fi -CCW_CHAN_GROUP= -for ccw in $_ccw_dir/$CTC_READ_CHAN $_ccw_dir/$CTC_WRITE_CHAN; do - - read _cu_type < $ccw/cutype - read _dev_type < $ccw/devtype - - case "$_cu_type" in - 3088/01) - # P/390 network adapter - CCW_CHAN_NAME="cu3088" - CCW_CHAN_GROUP="lcs" - ;; - 3088/08) - # Channel To Channel - CCW_CHAN_NAME="cu3088" - CCW_CHAN_GROUP="ctcm" - ;; - 3088/1e) - # FICON adapter - CCW_CHAN_NAME="cu3088" - CCW_CHAN_GROUP="ctcm" - ;; - 3088/1f) - # ESCON adapter (I.e. hardware CTC device) - CCW_CHAN_NAME="cu3088" - CCW_CHAN_GROUP="ctcm" - ;; - 3088/60) - # Lan Channel Station - CCW_CHAN_NAME="cu3088" - CCW_CHAN_GROUP="lcs" - ;; - *) - CCW_CHAN_NAME= - ;; - esac - - if [ -z "$CCW_CHAN_NAME" ]; then - mesg "Not a valid CTC device (cu $_cutype, dev $_devtype)" - exit 5 - fi - - [ -z "$tmp_chan" ] && tmp_chan=$CCW_CHAN_GROUP -done - -if [ "$tmp_chan" != "$CCW_CHAN_GROUP" ] ; then - mesg "CTC type mismatch (read: $tmp_chan, write: $CCW_CHAN_GROUP)" - exit 6 +if [ "${CU_TYPE}" == "3088/01" ] || [ "${CU_TYPE}" == "3088/60" ]; then + DEV_TYPE="lcs" +else DEV_TYPE="ctc" fi -_ccw_groupdir=${SYSFS}/bus/ccwgroup - -# Check for modules -if test ! -d "${_ccw_groupdir}/drivers/${CCW_CHAN_GROUP}" ; then - /sbin/modprobe $CCW_CHAN_GROUP - - # Re-check whether module loading has succeeded - if test ! -d "${_ccw_groupdir}/drivers/${CCW_CHAN_GROUP}"; then - mesg "Could not load module ${CCW_CHAN_GROUP}" - exit 7 - fi +if [ "${ON_OFF}" == 0 ]; then + debug_mesg "chzdev -d ${DEV_TYPE} ${CTC_READ_CHAN}" + chzdev -d ${DEV_TYPE} ${CTC_READ_CHAN} +elif [ "${ON_OFF}" == 1 ]; then + debug_mesg "chzdev -e ${DEV_TYPE} ${CTC_READ_CHAN} ${PARM_LIST}" + chzdev -e ${DEV_TYPE} ${CTC_READ_CHAN} ${PARM_LIST} +else mesg "You must specify a 0 or a 1 for the online/offline attribute." + usage + exit 1 fi -# Check for grouping -_ccw_status_dir= -if [ -e ${_ccw_dir}/${CTC_READ_CHAN}/group_device ] ; then - _ccw_status_dir=$(cd -P ${_ccw_dir}/${CTC_READ_CHAN}/group_device; echo $PWD) -fi -if [ -e ${_ccw_dir}/${CTC_WRITE_CHAN}/group_device ] ; then - _tmp_status_dir=$(cd -P ${_ccw_dir}/${CTC_READ_CHAN}/group_device; echo $PWD) - if [ "$_ccw_status_dir" ] && [ "$_ccw_status_dir" != "$_tmp_status_dir" ] ; then - mesg "CCW devices grouped to different devices" - exit 8 - fi - _ccw_status_dir=$_tmp_status_dir -fi -# -# Addresses are free (but may be bound to the wrong driver) -# -_ccw_drivers=${SYSFS}/bus/ccw/drivers -for i in ${CTC_READ_CHAN} ${CTC_WRITE_CHAN} - do - if [ "$CCW_CHAN_GROUP" = "lcs" ] - then - if [ -e "${_ccw_drivers}/ctcm/${i}" ] ; then - echo $i > ${_ccw_drivers}/ctcm/unbind - fi - if [ ! -e "${_ccw_drivers}/lcs/${i}" ] ; then - echo $i > ${_ccw_drivers}/ctcm/bind - fi - else - if [ -e "${_ccw_drivers}/lcs/${i}" ] ; then - echo $i > ${_ccw_drivers}/lcs/unbind - fi - if [ ! -e "${_ccw_drivers}/ctcm/${i}" ] ; then - echo $i > ${_ccw_drivers}/ctcm/bind - fi - fi - done - -debug_mesg "Group is ${_ccw_groupdir}/drivers/${CCW_CHAN_GROUP}/group" -if [ -z "$_ccw_status_dir" ] ; then - echo "$CTC_READ_CHAN,$CTC_WRITE_CHAN" > ${_ccw_groupdir}/drivers/${CCW_CHAN_GROUP}/group - if [ -e ${_ccw_dir}/${CTC_READ_CHAN}/group_device ] ; then - _ccw_status_dir=$(cd -P ${_ccw_dir}/${CTC_READ_CHAN}/group_device; echo $PWD) - fi +RC=${?} +if [ ${RC} -ne 0 ]; then + exit ${RC} fi -if [ -z "$_ccw_status_dir" -o ! -e "$_ccw_status_dir" ] ; then - mesg "Could not group $CCW_CHAN_GROUP devices $CTC_READ_CHAN/$CTC_WRITE_CHAN" - exit 9 -fi - -CCW_CHAN_ID=${_ccw_status_dir##*/} - -read _ccw_dev_status < $_ccw_status_dir/online - -if [ "$ONLINE" -eq 1 ]; then - # Check whether we need to do something - if [ "$_ccw_dev_status" -eq 0 ]; then - if [ "$CTC_MODE" -gt 0 -a "$CCW_CHAN_GROUP" != "lcs" ]; then - echo $CTC_MODE > $_ccw_status_dir/protocol - fi - # Set the device online - debug_mesg "Setting device online" - echo "1" > $_ccw_status_dir/online - # Re-read device status - read _ccw_dev_status < $_ccw_status_dir/online - if [ "$_ccw_dev_status" -eq 0 ]; then - mesg "Could not set device ${CCW_CHAN_ID} online" - exit 10 - fi - else - debug_mesg "Device ${CCW_CHAN_ID} is already online" - fi -else - if [ "$_ccw_dev_status" -eq 1 ]; then - # Set the device offline - debug_mesg "Setting device offline" - echo "$ONLINE" > $_ccw_status_dir/online - - # Re-read to check whether we have succeeded - _ccw_dev_status=$(cat $_ccw_status_dir/online) - if [ "$_ccw_dev_status" -ne "$ONLINE" ]; then - mesg "Could not set device ${CCW_CHAN_ID} offline" - exit 11 - fi - else - debug_mesg "Device ${CCW_CHAN_ID} is already offline" - fi - # Always reset CTC Protocol - if [ "$CCW_CHAN_GROUP" != "lcs" ]; then - echo 0 > $_ccw_status_dir/protocol - fi -fi - -RULES_DIR=/etc/udev/rules.d -RULES_FILE=51-${CCW_CHAN_GROUP}-${CCW_CHAN_ID}.rules - -if [ -d "$RULES_DIR" ]; then - if [ -f ${RULES_DIR}/${RULES_FILE} ]; then - rm -f ${RULES_DIR}/${RULES_FILE} - fi - remove_channel_for_cio "$CTC_READ_CHAN" - remove_channel_for_cio "$CTC_WRITE_CHAN" - - if [ "$ONLINE" -eq "1" ]; then - add_channel_for_cio "$CTC_READ_CHAN,$CTC_WRITE_CHAN" - # Write a new udev rules file - cat > ${RULES_DIR}/${RULES_FILE} <> ${RULES_DIR}/${RULES_FILE} <> ${RULES_DIR}/${RULES_FILE} < ] [use_diag] # -# -f force creation of udev rules, do not check values in /sys. -# -t DASD type. Must be provided if -f is used. +# -f Override safety checks +# -t DASD type. Must be provided if -f is used. Only dasd-eckd and +# dasd-fba are supported - Deprecated # ccwid = x.y.ssss where # x is always 0 until IBM creates something that uses that number -# y is the logical channel subsystem (lcss) number. Most often this is 0, but it could be non-zero -# ssss is the four digit subchannel address of the device, in hexidecimal, with leading zeros. +# y is the logical channel subsystem (lcss) number. Most often +# this is 0, but it could be non-zero +# ssss is the four digit subchannel address of the device, in +# hexidecimal, with leading zeros. # online = 0 to take the device offline # 1 to bring the device online # use_diag = 0 to _not_ use z/VM DIAG250 I/O, which is the default # 1 to use z/VM DIAG250 I/O # # Return values: -# 1 If the "Usage:" line is displayed, not enough parameters specified. -# 1 sysfs not mounted (if the "Usage:" line is not displayed). -# 2 Invalid status for -# 3 No device found for -# 4 Could not change state of the device -# 5 Device is not a DASD -# 6 Could not load module -# 7 Failed to activate DASD -# 8 DASD not formatted -# 9 Only dasd-fba or dasd-eckd is supported. +# Return codes are determined by the chzdev command. # -if [ "${DEBUG}" != "yes" ]; then - DEBUG="no" -fi - -exitcode=0 -DASD_FORCE=0 -DASD_TYPE="unknown" - -DATUM=$(date) - -add_channel_for_cio() { - echo "$* # $DATUM" >> /boot/zipl/active_devices.txt -} - -remove_channel_for_cio() { - [ -w /boot/zipl/active_devices.txt ] && sed -i -e "/^$1/d" /boot/zipl/active_devices.txt -} - mesg () { echo "$@" } debug_mesg () { - case "$DEBUG" in + case "${DEBUG}" in yes) mesg "$@" ;; *) ;; esac } -if [ $# -lt 2 ] ; then - echo "Usage: $0 [options] [use_diag]" - echo - echo " -f force creation of udev rules, do not check values in /sys." - echo " -t DASD type. Must be provided if -f is used." - echo " ccwid = x.y.ssss where" - echo " x is always 0 until IBM creates something that uses that number" - echo " y is the logical channel subsystem (lcss) number. Most often this is 0, but it could be non-zero" - echo " ssss is the four digit subchannel address of the device, in hexidecimal, with leading zeros." - echo " online = 0 to take the device offline" - echo " 1 to bring the device online" - echo " use_diag = 0 to _not_ use z/VM DIAG250 I/O, which is the default" - echo " 1 to use z/VM DIAG250 I/O" - exit 1 +add_cio_channel() { + echo "$* # ${DATE}" >> /boot/zipl/active_devices.txt +} + +remove_cio_channel() { + [ -w /boot/zipl/active_devices.txt ] && sed -i -e "/^${1}/d" /boot/zipl/active_devices.txt +} + +usage(){ + echo "Usage: ${0} [-f -t ] [use_diag]" + echo + echo " -f Override safety checks" + echo " -t DASD type. Must be provided if -f is used. Only dasd-eckd and" + echo " dasd-fba are supported - Deprecated" + echo " ccwid = x.y.ssss where" + echo " x is always 0 until IBM creates something that uses that number" + echo " y is the logical channel subsystem (lcss) number. Most often" + echo " this is 0, but it could be non-zero" + echo " ssss is the four digit subchannel address of the device, in" + echo " hexidecimal, with leading zeros." + echo " online = 0 to take the device offline" + echo " 1 to bring the device online" + echo " use_diag = 0 to _not_ use z/VM DIAG250 I/O, which is the default" + echo " 1 to use z/VM DIAG250 I/O" +} + +if [ "${DEBUG}" != "yes" ]; then + DEBUG="no" fi -while [ $# -gt 0 ] ; do - case "$1" in - -f) # force creation of udev rules, do not check values in /sys - DASD_FORCE=1 - ;; - -t*) # drive type. Must be provided if -f is used. - if [ "$1" = "-t" ] ; then - if [ "$2" = "dasd-eckd" -o "$2" = "dasd-fba" ]; then - DASD_TYPE=$2 - shift - else - debug_mesg "Only dasd-eckd or dasd-fba are supported." - exit 9 - fi - fi - ;; - *) - break; - ;; - esac - shift +DATE=$(date) + +DASD_FORCE=0 + +############################################################ +# Parse the parameters from the command line +# +ARGS=$(getopt --options ft: -n "dasd_configure" -- "$@") +if [ $? != 0 ] ; then echo "Terminating..." >&2 ; exit 1 ; fi + +eval set -- "${ARGS}" +debug_mesg "All the parms passed were ${ARGS}" + +while true; do + case "${1}" in + -f) debug_mesg "This used to mean udev rules will always be generated." + debug_mesg "For chzdev, it means safety checks will be overridden." + debug_mesg "Kinda sorta the same thing, really." + PARM_LIST="${PARM_LIST} -f" + DASD_FORCE=1 + shift 1 + ;; + -t) debug_mesg "This used to set the card type to ${2}" + debug_mesg "Now it gets ignored." + shift 2 + ;; + --) debug_mesg "Found the end of parms indicator: --" + shift 1 + break + ;; + *) debug_mesg "At the catch-all select entry" + debug_mesg "What was selected was ${1}" + shift 1 + ;; + esac done -if [ $DASD_FORCE -eq 0 ]; then - # Get the mount point for sysfs - while read MNTPT MNTDIR MNTSYS MNTTYPE; do - if test "$MNTSYS" = "sysfs"; then - SYSFS="$MNTDIR" - break; - fi - done &1 > /dev/null - if [ -x /sbin/vmcp -a $? -eq 0 ]; then - # Unconditionally load the vmcp module, loader might be broken - [ -x /sbin/modprobe ] && /sbin/modprobe -q vmcp - # Wait until udev is settled - [ -x /sbin/udevadm ] && /sbin/udevadm settle --timeout=30 - - # Check read-only status of virtual DASDs from z/VM - if /sbin/vmcp q v dasd > /dasd_attr.lst 2> /dev/null; then - while read x dev type label attr1 attr2 rest; do - dev=`echo $dev|tr A-F a-f` - if test "$type" = "ON"; then - attr="$attr2" - else - attr="$attr1" - fi - if [ "$CCW_CHAN_ID" = "0.0.$dev" ]; then - if test "$attr" = "R/O"; then - _ccw_use_readonly="1" - fi - fi - done < /dasd_attr.lst - fi - rm -f /dasd_attr.lst - fi # if [ -x /sbin/vmcp -a $? -eq 0 ] - - if [ "$ONLINE" -eq 1 ]; then - # Check whether we need to do something - read _ccw_use_diag < $_ccw_status_dir/use_diag - - if [ "$_ccw_use_diag" -ne "$USE_DIAG" ] && - [ "$_ccw_dev_status" -eq 1 ] ; then - # We need to change the DIAG access mode - # so we have to set the device offline first - debug_mesg "Setting device offline for DIAG access" - echo "0" > $_ccw_status_dir/online - # Re-read device status - read _ccw_dev_status < $_ccw_status_dir/online - if [ "$_ccw_dev_status" -ne 0 ]; then - mesg "Could not set the device offline for DIAG access" - exit 4 - fi - fi - - if [ "$_ccw_dev_status" -eq 0 ]; then - # Set readonly access if detected - if [ "$_ccw_use_readonly" ]; then - debug_mesg "Setting device read-only" - echo 1 > $_ccw_status_dir/readonly - fi - - if [ "$USE_DIAG" -eq 1 ]; then - # Load the diag module if possible - [ -x /sbin/modprobe ] && /sbin/modprobe -q dasd_diag_mod - _has_dasd_diag=$(/bin/sed -n '/^dasd_diag_mod/p' /proc/modules) - if [ "$_has_dasd_diag" ]; then - # DIAG mode is special: - # We can only be sure if DIAG is available - # _after_ we have activated the device - debug_mesg "Activating DIAG access mode" - echo "$USE_DIAG" > $_ccw_status_dir/use_diag - read _ccw_use_diag < $_ccw_status_dir/use_diag - # Set the device online - debug_mesg "Setting device online" - echo "1" > $_ccw_status_dir/online 2>/dev/null - # Re-read device status - read _ccw_dev_status < $_ccw_status_dir/online - if [ "$_ccw_dev_status" -eq 0 ]; then - mesg "Could not activate DIAG access mode for device ${CCW_CHAN_ID}" - USE_DIAG=0 - echo "$USE_DIAG" > $_ccw_status_dir/use_diag - # Set the device online - debug_mesg "Setting device online" - echo "1" > $_ccw_status_dir/online - else - MODULE=dasd_diag_mod - fi - else - debug_mesg "DIAG mode not available" - USE_DIAG=0 - # Set the device online - debug_mesg "Setting device online" - echo "1" > $_ccw_status_dir/online - fi # if [ "$_has_dasd_diag" ]; - else - if [ "$_ccw_use_diag" -eq 1 ] ; then - debug_mesg "Deactivating DIAG access mode" - echo "0" > $_ccw_status_dir/use_diag - read _ccw_use_diag < $_ccw_status_dir/use_diag - fi - # Set the device online - debug_mesg "Setting device online" - echo "1" > $_ccw_status_dir/online - fi # if [ "$USE_DIAG" -eq 1 ] - - # Re-read device status - read _ccw_dev_status < $_ccw_status_dir/online - if [ "$_ccw_dev_status" -eq 0 ]; then - mesg "Could not set device ${CCW_CHAN_ID} online" - exit 4 - fi - - # Wait for the device to come online - read _dasd_state < $_ccw_status_dir/status - i=0 - while [ "$_dasd_state" != "online" ] ; do - if [ "$_dasd_state" = "unformatted" ] ; then - mesg "Device ${CCW_CHAN_ID} is unformatted" - exitcode=8 - break - fi - [ $i -gt 30 ] && break - i=$(expr $i + 1) - sleep .1 - read _dasd_state < $_ccw_status_dir/status - done - else - debug_mesg "Device ${CCW_CHAN_ID} is already online" - fi # if [ "$_ccw_dev_status" -eq 0 ] - - read _dasd_state < $_ccw_status_dir/status - if [ "$_dasd_state" != "online" ] && [ "$_dasd_state" != "unformatted" ] ; then - mesg "Failed to activate device ${CCW_CHAN_ID}, device in state $_dasd_state" - exit 7 - fi - else - if [ "$_ccw_dev_status" -eq 1 ]; then - # Set the device offline - debug_mesg "Setting device offline" - echo "$ONLINE" > $_ccw_status_dir/online - - # Re-read to check whether we have succeeded - _ccw_dev_status=$(cat $_ccw_status_dir/online) - if [ "$?" -ne 0 -o "$_ccw_dev_status" -ne "$ONLINE" ]; then - mesg "Could not set device ${CCW_CHAN_ID} offline" - exit 4 - fi - else - debug_mesg "Device ${CCW_CHAN_ID} is already offline" - fi - - if [ -d "$_ccw_status_dir" ] ; then - # Always disabling DIAG access - echo "0" > $_ccw_status_dir/use_diag - fi - - # Set readonly access if detected - if [ "$_ccw_use_readonly" ]; then - debug_mesg "Setting device read-only" - echo 1 > $_ccw_status_dir/readonly - fi - fi # if [ "$ONLINE" -eq 1 ] - - # Wait until udev is settled - [ -x /sbin/udevadm ] && /sbin/udevadm settle --timeout=30 - -fi # Second instance of if [ $DASD_FORCE -eq 0 ] - -if [ $DEBUG = "no" ]; then - RULES_DIR=/etc/udev/rules.d -else - RULES_DIR=. +if [ -n "${USE_DIAG}" ]; then + PARM_LIST="${PARM_LIST} use_diag=${USE_DIAG}" +else PARM_LIST="${PARM_LIST} use_diag=0" fi -RULES_FILE=51-dasd-${CCW_CHAN_ID}.rules - -if [ -d "$RULES_DIR" ]; then - if [ -f ${RULES_DIR}/${RULES_FILE} ]; then - rm -f ${RULES_DIR}/${RULES_FILE} - fi - remove_channel_for_cio "${CCW_CHAN_ID}" - - if [ "$ONLINE" -eq "1" ]; then - add_channel_for_cio "${CCW_CHAN_ID}" - # Write a new hwcfg file - cat > ${RULES_DIR}/${RULES_FILE} <> ${RULES_DIR}/${RULES_FILE} <> ${RULES_DIR}/${RULES_FILE} < ] [-o "Values"] -n -p # # -i Configure IP takeover # -l Configure Layer2 support -# -f force creation of udev rules, do not check values in /sys -# -t Valid cardtypes are: qeth, hsi, osn +# -f Override safety checks +# -t Valid cardtypes are: qeth, hsi - Deprecated # -o General QETH options, separated by spaces -# -n QETH port number to use, 0 or 1. Only needed for real, not virtual devices. -# -p QETH Portname to use. Only needed if sharing a real OSA with z/OS. +# -n QETH port number to use, 0 or 1. Only needed for real, not virtual +# devices. +# -p QETH Portname to use - Deprecated. OSAs no longer need a port name. # read/write/data chan = x.y.ssss where -# x is always 0 until IBM creates something that uses that number -# y is the logical channel subsystem (lcss) number. Most often this is 0, but it could be non-zero -# ssss is the four digit subchannel address of the device, in hexidecimal, with leading zeros. +# x is always 0 until IBM creates something that +# uses that number +# y is the logical channel subsystem (lcss) +# number. Most often this is 0, but it could +# be non-zero +# ssss is the four digit subchannel address of +# the device, in hexidecimal, with leading +# zeros. # online = 0 to take the device offline # 1 to bring the device online # # Return values: -# 1 sysfs not mounted -# 2 Invalid status for -# 3 No device found for read channel -# 4 No device found for write channel -# 5 No device found for data channel -# 6 Invalid device type -# 7 Could not load module -# 8 CCW devices grouped different devices -# 9 Could not group devices -# 10 Could not set device online -# 11 Could not set device offline +# Return codes are determined by the chzdev command. # -if [ "${DEBUG}" != "yes" ]; then - DEBUG="no" -fi - -QETH_FORCE=0 - mesg () { echo "$@" } -DATUM=$(date) - -add_channel_for_cio() { - echo "$* # $DATUM" >> /boot/zipl/active_devices.txt -} - -remove_channel_for_cio() { - [ -w /boot/zipl/active_devices.txt ] && sed -i -e "/^$1/d" /boot/zipl/active_devices.txt -} - debug_mesg () { - case "$DEBUG" in - yes) mesg "$@" ;; - *) ;; + case "${DEBUG}" in + yes) mesg "$@" ;; + *) ;; esac } -while [ $# -gt 0 ] ; do - case "$1" in - -i) - # Configure IP takeover - QETH_IPA_TAKEOVER=1 - ;; - -f) # force creation of udev rules, do not check values in /sys - QETH_FORCE=1 - ;; - -l) - # Configure Layer2 support - QETH_LAYER2_SUPPORT=1 - ;; - -n*) - # QETH port number to use - if [ "$1" = "-n" ] ; then - QETH_PORTNO=$2 - shift - else - QETH_PORTNO=${1#-n} - fi - ;; - -o) - # General QETH options, separated by spaces - QETH_OPTIONS=$2 - shift - ;; - -p*) - # QETH Portname to use - if [ "$1" = "-p" ] ; then - QETH_PORTNAME=$2 - shift - else - QETH_PORTNAME=${1#-p} - fi - ;; - -t*) # Card type. Must be provided if -f is used. - if [ "$1" = "-t" ] ; then - if [ "$2" = "qeth" -o "$2" = "hsi" -o "$2" = "osn" ]; then - QETH_CARD=$2 - shift - else - mesg "Only qeth, hsi and osn are supported." - exit 6 - fi - fi - CCW_DRV="$QETH_CARD" - ;; - *) - break; - ;; - esac - shift +add_cio_channel() { + echo "$* # ${DATE}" >> /boot/zipl/active_devices.txt +} + +remove_cio_channel() { + [ -w /boot/zipl/active_devices.txt ] && sed -i -e "/^${1}/d" /boot/zipl/active_devices.txt +} + +usage(){ + echo "Usage: ${0} [options] " + echo " -i Configure IP takeover" + echo " -l Configure Layer2 support" + echo " -f Override safety checks" + echo " -t Valid cardtypes are: qeth, hsi - Deprecated." + echo " -o General QETH options, separated by spaces" + echo " -n QETH port number to use, 0 or 1. Only needed for real, not virtual" + echo " devices." + echo " -p QETH Portname to use - Deprecated. OSAs no longer need a port name." + echo " read/write/data chan = x.y.ssss where" + echo " x is always 0 until IBM creates something that" + echo " uses that number" + echo " y is the logical channel subsystem (lcss)" + echo " number. Most often this is 0, but it could" + echo " be non-zero" + echo " ssss is the four digit subchannel address of" + echo " the device, in hexidecimal, with leading" + echo " zeros." + echo " online = 0 to take the device offline" + echo " 1 to bring the device online" +} + +if [ "${DEBUG}" != "yes" ]; then + DEBUG="no" +fi + +DATE=$(date) + +############################################################ +# Parse the parameters from the command line +# +ARGS=$(getopt --options ifln:o:p:t: -n "qeth_configure" -- "$@") +if [ $? != 0 ] ; then echo "Terminating..." >&2 ; exit 1 ; fi + +eval set -- "${ARGS}" +debug_mesg "All the parms passed were ${ARGS}" + +# Set some defaults +LAYER_MODE="layer2=0" + +while true; do + case "${1}" in + -i) debug_mesg "Configure IP takeover" + PARM_LIST="${PARM_LIST} ipa_takeover/enable=1" + shift 1 + ;; + -f) debug_mesg "This used to mean udev rules will always be generated." + debug_mesg "For chzdev, it means safety checks will be overridden." + debug_mesg "Kinda sorta the same thing, really." + PARM_LIST="${PARM_LIST} -f" + shift 1 + ;; + -l) debug_mesg "Configure Layer 2 support" + LAYER_MODE="layer2=1" + shift 1 + ;; + -n) debug_mesg "Set QETH port number to ${2}" + PARM_LIST="${PARM_LIST} portno=${2}" + shift 2 + ;; + -o) debug_mesg "Add the following arbitrary parms: ${2}" + PARM_LIST="${PARM_LIST} ${2}" + shift 2 + ;; + -p) debug_mesg "QETH Port name is no longer used, don't specify it: ${2}" + shift 2 + ;; + -t) debug_mesg "This used to set the card type to ${2}" + debug_mesg "Now it gets ignored." + shift 2 + ;; + --) debug_mesg "Found the end of parms indicator: --" + shift 1 + break + ;; + *) debug_mesg "At the catch-all select entry" + debug_mesg "What was selected was ${1}" + shift 1 + ;; + esac done -if [ $QETH_FORCE -eq 0 ]; then -# Get the mount point for sysfs - while read MNTPT MNTDIR MNTSYS MNTTYPE; do - if test "$MNTSYS" = "sysfs"; then - SYSFS="$MNTDIR" - break; - fi - done " - echo " -i Configure IP takeover" - echo " -l Configure Layer2 support" - echo " -f force creation of udev rules, do not check values in /sys" - echo " -t Valid cardtypes are: qeth, hsi, osn" - echo " -o General QETH options, separated by spaces" - echo " -n QETH port number to use, 0 or 1. Only needed for real, not virtual devices." - echo " -p QETH Portname to use. Only needed if sharing a real OSA with z/OS." - echo " read/write/data chan = x.y.ssss where" - echo " x is always 0 until IBM creates something that uses that number" - echo " y is the logical channel subsystem (lcss) number. Most often this is 0, but it could be non-zero" - echo " ssss is the four digit subchannel address of the device, in hexidecimal, with leading zeros." - echo " online = 0 to take the device offline" - echo " 1 to bring the device online" - exit 1 +if [ "${ON_OFF}" == 0 ]; then + debug_mesg "chzdev -d qeth ${QETH_READ_CHAN}" + chzdev -d qeth ${QETH_READ_CHAN} +elif [ "${ON_OFF}" == 1 ]; then + debug_mesg "chzdev -e qeth ${LAYER_MODE} ${PARM_LIST} ${QETH_READ_CHAN}" + chzdev -e qeth ${LAYER_MODE} ${PARM_LIST} ${QETH_READ_CHAN} +else mesg "You must specify a 0 or a 1 for the online/offline attribute." + usage + exit 1 fi -if [ -z "$ONLINE" ] || [ "$ONLINE" -ne "1" -a "$ONLINE" -ne "0" ]; then - mesg "Invalid device status $ONLINE" - exit 2 +RC=${?} +if [ ${RC} -ne 0 ]; then + exit ${RC} fi -if [ $QETH_FORCE -eq 0 ]; then -_ccw_dir=${SYSFS}/bus/ccw/devices - -# Convert any hexidecimal numbers to lower case -QETH_READ_CHAN=$(echo ${QETH_READ_CHAN} | tr "[A-Z]" "[a-z]") -QETH_WRITE_CHAN=$(echo ${QETH_WRITE_CHAN} | tr "[A-Z]" "[a-z]") -QETH_DATA_CHAN=$(echo ${QETH_DATA_CHAN} | tr "[A-Z]" "[a-z]") - -debug_mesg "Configuring QETH device ${QETH_READ_CHAN}/${QETH_WRITE_CHAN}/${QETH_DATA_CHAN}" - - -if test ! -d "$_ccw_dir/$QETH_READ_CHAN" ; then - mesg "No device ${QETH_READ_CHAN}" - exit 3 +if [ ${ON_OFF} == 1 ]; then + add_cio_channel "${QETH_READ_CHAN},${QETH_WRITE_CHAN},${QETH_DATA_CHAN}" +else remove_cio_channel "${QETH_READ_CHAN}" + remove_cio_channel "${QETH_WRITE_CHAN}" + remove_cio_channel "${QETH_DATA_CHAN}" fi -if test ! -d "$_ccw_dir/$QETH_WRITE_CHAN" ; then - mesg "No device ${QETH_WRITE_CHAN}" - exit 4 -fi -if test ! -d "$_ccw_dir/$QETH_DATA_CHAN" ; then - mesg "No device ${QETH_DATA_CHAN}" - exit 5 -fi - -CCW_CHAN_GROUP= -for ccw in $_ccw_dir/$QETH_READ_CHAN $_ccw_dir/$QETH_WRITE_CHAN $_ccw_dir/$QETH_DATA_CHAN; do - - read _cu_type < $ccw/cutype - read _dev_type < $ccw/devtype - - case "$_cu_type" in - 1731/01|1731/02) - # OSA/Express / Guest LAN - CCW_DRV="qeth" - QETH_CARD="qeth" - ;; - 1731/05) - # Hipersockets - CCW_DRV="qeth" - QETH_CARD="hsi" - ;; - 1731/06) - # OSA/N - CCW_DRV="qeth" - QETH_CARD="osn" - ;; - *) - CCW_DRV= - ;; - esac - - if [ -z "$CCW_DRV" ]; then - mesg "Not a valid QETH device (cu $_cutype, dev $_devtype)" - exit 6 - fi -done -fi # end QETH_FORCE - -# Portname is only required for OSA/Express -if [ -n "$QETH_PORTNAME" -a "$QETH_CARD" != "qeth" ] ; then - debug_mesg "No portname required for $QETH_CARD adapters" - QETH_PORTNAME= -fi - -if [ $QETH_FORCE -eq 0 ]; then -_ccw_groupdir=${SYSFS}/bus/ccwgroup - -# Check for modules -if test ! -d "${_ccw_groupdir}/drivers/${CCW_DRV}" ; then - /sbin/modprobe $CCW_DRV - - # Re-check whether module loading has succeeded - if test ! -d "${_ccw_groupdir}/drivers/${CCW_DRV}"; then - mesg "Could not load module ${CCW_DRV}" - exit 7 - fi -fi - -# Check for grouping -_ccwgroup_dir= -if [ -e ${_ccw_dir}/${QETH_READ_CHAN}/group_device ] ; then - _ccwgroup_dir=$(cd -P ${_ccw_dir}/${QETH_READ_CHAN}/group_device; echo $PWD) -fi -if [ -e ${_ccw_dir}/${QETH_WRITE_CHAN}/group_device ] ; then - _tmp_status_dir=$(cd -P ${_ccw_dir}/${QETH_READ_CHAN}/group_device; echo $PWD) - if [ "$_ccwgroup_dir" ] && [ "$_ccwgroup_dir" != "$_tmp_status_dir" ] ; then - mesg "CCW devices grouped to different devices" - exit 8 - fi - _ccwgroup_dir=$_tmp_status_dir -fi -if [ -e ${_ccw_dir}/${QETH_DATA_CHAN}/group_device ] ; then - _tmp_status_dir=$(cd -P ${_ccw_dir}/${QETH_DATA_CHAN}/group_device; echo $PWD) - if [ "$_ccwgroup_dir" ] && [ "$_ccwgroup_dir" != "$_tmp_status_dir" ] ; then - mesg "CCW devices grouped to different devices" - exit 8 - fi - _ccwgroup_dir=$_tmp_status_dir -fi -if [ -z "$_ccwgroup_dir" ] ; then - echo "$QETH_READ_CHAN,$QETH_WRITE_CHAN,$QETH_DATA_CHAN" > ${_ccw_groupdir}/drivers/${CCW_DRV}/group - if [ -e ${_ccw_dir}/${QETH_READ_CHAN}/group_device ] ; then - _ccwgroup_dir=$(cd -P ${_ccw_dir}/${QETH_READ_CHAN}/group_device; echo $PWD) - fi -fi - -if [ -z "$_ccwgroup_dir" -o ! -e "$_ccwgroup_dir" ] ; then - mesg "Could not group $CCW_DRV devices $QETH_READ_CHAN/$QETH_WRITE_CHAN/$QETH_DATA_CHAN" - exit 9 -fi - -CCW_CHAN_ID=${_ccwgroup_dir##*/} - -read _online < $_ccwgroup_dir/online - -if [ "$ONLINE" -eq 1 ]; then - # Check whether we need to do something - # We do not check for the value of CCW_CHAN_MODE, since we - # might want to switch back and forth between several modes - if test "$_online" -eq "0" ; then - # Set the portname - if [ "$QETH_PORTNAME" ]; then - mesg "(portname $QETH_PORTNAME) " - echo "$QETH_PORTNAME" > $_ccwgroup_dir/portname - fi - # Activate Layer2 support - if [ -w "$_ccwgroup_dir/layer2" ] ; then - if [ "$QETH_LAYER2_SUPPORT" = "1" ]; then - mesg "(Layer2) " - echo 1 > $_ccwgroup_dir/layer2 - else - echo 0 > $_ccwgroup_dir/layer2 - fi - else - QETH_LAYER2_SUPPORT= - fi - # Enable IP address takeover - if [ "$QETH_IPA_TAKEOVER" ]; then - if [ "$QETH_IPA_TAKEOVER" = "1" ]; then - mesg "(IP takeover) " - echo 1 > $_ccwgroup_dir/ipa_takeover/enable - fi - fi - # Relative port number - if [ -w "$_ccwgroup_dir/portno" ] ; then - if [ -n "$QETH_PORTNO" ]; then - mesg "(Port $QETH_PORTNO) " - # This may fail, but trial and error is the only way to tell. - echo "$QETH_PORTNO" > $_ccwgroup_dir/portno - fi - else - unset QETH_PORTNO - fi - # Set additional options - if [ "$QETH_OPTIONS" ]; then - for opt in $QETH_OPTIONS; do - set -- $(IFS='='; echo $opt) - opt_name=$1 - opt_val=$2 - case "$opt_name" in - portname|ipa_takeover|layer2) - # These options are set above - debug_mesg "Invalid option $opt_name" - ;; - *) - if [ "$opt_name" -a "$opt_val" ]; then - if [ -w "$_ccwgroup_dir/$opt_name" ]; then - mesg "($opt_name) " - echo "$opt_val" > $_ccwgroup_dir/$opt_name - if [ $? -eq 0 ] ; then - cur_opts="$cur_opts ${opt_name}=${opt_val}" - fi - else - # Skip invalid options - debug_mesg "Invalid option $opt_name" - fi - fi - ;; - esac - done - # Update options list - QETH_OPTIONS="$cur_opts" - fi - - echo "1" > $_ccwgroup_dir/online 2> /dev/null - # Re-read device status - read _ccw_dev_status < $_ccwgroup_dir/online - if [ "$_ccw_dev_status" -eq 0 ]; then - mesg "Could not set device ${CCW_CHAN_ID} online" - exit 10 - fi - else - debug_mesg "Device ${CCW_CHAN_ID} is already online" - fi -else - if [ "$_online" -eq 1 ]; then - # Set the device offline - debug_mesg "Setting device offline" - echo "$ONLINE" > $_ccwgroup_dir/online - - # Re-read to check whether we have succeeded - _online=$(cat $_ccwgroup_dir/online) - if [ "$_online" -ne "$ONLINE" ]; then - mesg "Could not set device ${CCW_CHAN_ID} offline" - exit 11 - fi - else - debug_mesg "Device ${CCW_CHAN_ID} is already offline" - fi - echo 1 > $_ccwgroup_dir/ungroup -fi -else - CCW_CHAN_ID=$QETH_READ_CHAN -fi # QETH_FORCE - -if [ $DEBUG = "no" ]; then - RULES_DIR=/etc/udev/rules.d -else - RULES_DIR=. -fi - -RULES_FILE=51-${QETH_CARD}-${CCW_CHAN_ID}.rules - -if [ -d "$RULES_DIR" ]; then - if [ -f ${RULES_DIR}/${RULES_FILE} ]; then - rm -f ${RULES_DIR}/${RULES_FILE} - fi - remove_channel_for_cio "${QETH_READ_CHAN}" - remove_channel_for_cio "${QETH_WRITE_CHAN}" - remove_channel_for_cio "${QETH_DATA_CHAN}" - - if [ "$ONLINE" -eq "1" ]; then - add_channel_for_cio "${QETH_READ_CHAN},${QETH_WRITE_CHAN},${QETH_DATA_CHAN}" - # Write a new udev rules file - cat > ${RULES_DIR}/${RULES_FILE} <> ${RULES_DIR}/${RULES_FILE} <> ${RULES_DIR}/${RULES_FILE} <> ${RULES_DIR}/${RULES_FILE} <> ${RULES_DIR}/${RULES_FILE} <> ${RULES_DIR}/${RULES_FILE} <> ${RULES_DIR}/${RULES_FILE} <> ${RULES_DIR}/${RULES_FILE} < # # ccwid = x.y.ssss where # x is always 0 until IBM creates something that uses that number -# y is the logical channel subsystem (lcss) number. Most often this is 0, but it could be non-zero -# ssss is the four digit subchannel address of the device, in hexidecimal, with leading zeros. +# y is the logical channel subsystem (lcss) number. Most often +# this is 0, but it could be non-zero +# ssss is the four digit subchannel address of the device, in +# hexidecimal, with leading zeros. # online = 0 to take the device offline # 1 to bring the device online # -# Return codes -# 1 sysfs not mounted -# 2 invalid value for -# 3 device does not exist -# 4 WWPN invalid -# 5 Could not activate WWPN for adapter -# 6 Could not activate zFCP disk -# 7 SCSI disk could not be deactivated -# 8 zFCP LUN could not be deregistered -# 9 zFCP WWPN could not be deregistered +# Return values: +# Return codes are determined by the chzdev command. # -if [ "${DEBUG}" != "yes" ]; then - DEBUG="no" -fi - mesg () { echo "$@" } debug_mesg () { - case "$DEBUG" in - yes) mesg "$@" ;; - *) ;; + case "${DEBUG}" in + yes) mesg "$@" ;; + *) ;; esac } -if [ $# -ne 4 ] ; then - echo "Usage: $0 " - echo " ccwid = x.y.ssss where" - echo " x is always 0 until IBM creates something that uses that number" - echo " y is the logical channel subsystem (lcss) number. Most often this is 0, but it could be non-zero" - echo " ssss is the four digit subchannel address of the device, in hexidecimal, with leading zeros." - echo " online = 0 to take the device offline" - echo " 1 to bring the device online" - exit 1 +usage(){ + echo "Usage: ${0} " + echo " ccwid = x.y.ssss where" + echo " x is always 0 until IBM creates something that uses that number" + echo " y is the logical channel subsystem (lcss) number. Most often" + echo " this is 0, but it could be non-zero" + echo " ssss is the four digit subchannel address of the device, in" + echo " hexidecimal, with leading zeros." + echo " online = 0 to take the device offline" + echo " 1 to bring the device online" +} + +if [ "${DEBUG}" != "yes" ]; then + DEBUG="no" fi -# Get the mount point for sysfs -while read MNTPT MNTDIR MNTSYS MNTTYPE; do - if test "$MNTSYS" = "sysfs"; then - SYSFS="$MNTDIR" - break; - fi -done ${_zfcp_wwpn_dir}/unit_add - /sbin/udevadm settle - fi - # Re-check whether the disk could be activated - if [ ! -d "${_zfcp_wwpn_dir}/0x${FCP_LUN}" ] ; then - mesg "Could not activate FCP disk ${FCP_WWPN}:${FCP_LUN}" - exit 6 - fi - # Check for failed disks - read wwpn_status < ${_zfcp_wwpn_dir}/0x${FCP_LUN}/status - while [ "$wwpn_status" != 0 ] ; do - sleep 1 - read wwpn_status < ${_zfcp_wwpn_dir}/0x${FCP_LUN}/in_recovery - [ "$wwpn_status" = 0 ] && break - done - read wwpn_status < ${_zfcp_wwpn_dir}/0x${FCP_LUN}/failed - if [ "$wwpn_status" = 1 ] ; then - debug_mesg "ERP failed on FCP disk ${FCP_WWPN}:${FCP_LUN}" - exit 7 - fi - fi -else - # Deconfigure SCSI disk - debug_mesg "Deconfiguring FCP disk ${FCP_WWPN}:${FCP_LUN}" - - _zfcp_wwpn_dir="${_zfcp_dir}/0x${FCP_WWPN}" - # Find the correspondig SCSI disk - for host_dir in $_zfcp_dir/host*; do - if [ -d $host_dir ] ; then - _zfcp_scsi_host_dir=$host_dir - break; - fi - done - if [ -d "$_zfcp_scsi_host_dir" ] ; then - # Deregister the disk from SCSI layer - for target in $_zfcp_scsi_host_dir/rport-*/target*/* ; do - [ "$target" != "${target##*/fc_transport}" ] && continue - if [ -d "$target" ] && [ -d "$target/scsi_device" ] ; then - _zfcp_scsi_id=${target##*/} - read _zfcp_tmp_hba < ${target}/hba_id - read _zfcp_tmp_wwpn < ${target}/wwpn - read _zfcp_tmp_lun < ${target}/fcp_lun - if [ "0x${FCP_LUN}" = "$_zfcp_tmp_lun" -a "0x${FCP_WWPN}" = "$_zfcp_tmp_wwpn" ] ; then - if [ "$auto_lun_scan" = 1 ] ; then - mesg "Could not deactivate SCSI disk ${_zfcp_scsi_id}" - exit 7 - else - echo 1 > $target/delete - _zfcp_scsi_dir=$target - fi - break; - fi - fi - done - /sbin/udevadm settle - else - debug_mesg "No SCSI disk found for FCP disk ${FCP_WWPN}:${FCP_LUN}" - fi - - # Re-check whether the SCSI disk is gone - num=$udev_timeout - while [ $num -gt 0 ] ; do - [ -d "${_zfcp_scsi_dir}" ] || break - let num=$num-1 - sleep 1 - done - if [ -d "${_zfcp_scsi_dir}" ]; then - mesg "Could not deactivate SCSI disk ${_zfcp_scsi_id}" - exit 7 - fi - - # Wait for udev to catch up - /sbin/udevadm settle - - # check multipathing - _zfcp_scsi_dev=$(multipathd -k'show paths' 2> /dev/null | sed -n "s/$_zfcp_scsi_id \(sd[a-z]*\).*/\1/p") - [ "$_zfcp_scsi_dev" ] && multipathd -k"del path $_zfcp_scsi_dev" - - # Deconfigure the FCP_LUN - : ${_zfcp_wwpn_dir} - echo "0x${FCP_LUN}" > ${_zfcp_wwpn_dir}/unit_remove - if [ -d "${_zfcp_wwpn_dir}/0x${FCP_LUN}" ]; then - mesg "Could not deregister FCP LUN ${FCP_LUN}" - exit 8 - fi - - # Find all remaining activated disks - ZFCP_LUNS= - for _tmp_wwpn_dir in ${_zfcp_dir}/0x*; do - if [ -d "$_tmp_wwpn_dir" ]; then - tmp_wwpn=$(basename $_tmp_wwpn_dir) - # Find all luns - for _tmp_lun_dir in ${_tmp_wwpn_dir}/0x*; do - if [ -d "$_tmp_lun_dir" ]; then - tmp_lun=$(basename $_tmp_lun_dir) - tmp_port="${tmp_wwpn}:${tmp_lun}" - ZFCP_LUNS="$ZFCP_LUNS -$tmp_port" - fi - done - fi - done -fi - -# And now update the rules file -if test -d ${RULES_DIR}; then - # Find all WWPNs - - read online < ${_zfcp_dir}/online; - if [ $online -eq 0 ] ; then - exit 0 - fi - - for port in ${_zfcp_dir}/0x* ; do - [ -d $port ] || continue; - [ -w $port/unit_remove ] || continue; - port_list="$port_list ${port##*/}" - done - - cat > ${RULES_DIR}/${RULES_FILE} <> ${RULES_DIR}/${RULES_FILE} < # # ccwid = x.y.ssss where # x is always 0 until IBM creates something that uses that number -# y is the logical channel subsystem (lcss) number. Most often this is 0, but it could be non-zero -# ssss is the four digit subchannel address of the device, in hexidecimal, with leading zeros. +# y is the logical channel subsystem (lcss) number. Most often +# this is 0, but it could be non-zero +# ssss is the four digit subchannel address of the device, in +# hexidecimal, with leading zeros. # online = 0 to take the device offline # 1 to bring the device online # # Return codes -# 1 sysfs not mounted -# 2 invalid value for -# 3 device does not exist -# 4 module zfcp could not be loaded -# 5 adapter status could not be changed -# 6 wwpn ports still active -# 10 adapter active but allow_lun_scan active +# Return codes are determined by the chzdev command. # -if [ "${DEBUG}" != "yes" ]; then - DEBUG="no" -fi - -DATUM=$(date) - -add_channel_for_cio() { - echo "$* # $DATUM" >> /boot/zipl/active_devices.txt -} - -remove_channel_for_cio() { - [ -w /boot/zipl/active_devices.txt ] && sed -i -e "/^$1/d" /boot/zipl/active_devices.txt -} - mesg () { echo "$@" } debug_mesg () { - case "$DEBUG" in - yes) mesg "$@" ;; - *) ;; + case "${DEBUG}" in + yes) mesg "$@" ;; + *) ;; esac } -if [ $# -ne 2 ] ; then - echo "Usage: $0 " - echo " ccwid = x.y.ssss where" - echo " x is always 0 until IBM creates something that uses that number" - echo " y is the logical channel subsystem (lcss) number. Most often this is 0, but it could be non-zero" - echo " ssss is the four digit subchannel address of the device, in hexidecimal, with leading zeros." - echo " online = 0 to take the device offline" - echo " 1 to bring the device online" - exit 1 +add_cio_channel() { + echo "$* # ${DATE}" >> /boot/zipl/active_devices.txt +} + +remove_cio_channel() { + [ -w /boot/zipl/active_devices.txt ] && sed -i -e "/^${1}/d" /boot/zipl/active_devices.txt +} + +usage(){ + echo "Usage: ${0} " + echo " ccwid = x.y.ssss where" + echo " x is always 0 until IBM creates something that uses that number" + echo " y is the logical channel subsystem (lcss) number. Most often" + echo " this is 0, but it could be non-zero" + echo " ssss is the four digit subchannel address of the device, in" + echo " hexidecimal, with leading zeros." + echo " online = 0 to take the device offline" + echo " 1 to bring the device online" +} + +if [ "${DEBUG}" != "yes" ]; then + DEBUG="no" fi -# Get the mount point for sysfs -while read MNTPT MNTDIR MNTSYS MNTTYPE; do - if test "$MNTSYS" = "sysfs"; then - SYSFS="$MNTDIR" - break; - fi -done $_zfcp_dir/online - - # Now wait for the adapter to initialize - /sbin/udevadm settle - fi - - for loop in 1 2 3 4 5 ; do - read status < /sys/bus/ccw/devices/$CCW_CHAN_ID/status - (( $status & 0x10000000 )) && break; - done - read wwpn_status < /sys/bus/ccw/devices/$CCW_CHAN_ID/status - if !(( $wwpn_status & 0x10000000 )) ; then - echo 0 > /sys/bus/ccw/devices/$CCW_CHAN_ID/online - mesg "Could not activate adapter, status $wwpn_status" - exit 5 - fi - - # Write the configuration file - if test -d ${RULES_DIR}; then - cat > ${RULES_DIR}/${RULES_FILE} < ${_zfcp_dir}/online - # Re-read to check whether we have succeeded - _ccw_dev_status=$(cat $_zfcp_dir/online) - if [ "$_ccw_dev_status" -ne "$ONLINE" ]; then - mesg "Could not change status of device ${CCW_CHAN_ID} to $ONLINE" - exit 5 - fi - echo "${CCW_CHAN_ID}" > /sys/bus/ccw/drivers/zfcp/unbind - echo "${CCW_CHAN_ID}" > /sys/bus/ccw/drivers/zfcp/bind - remove_channel_for_cio "${CCW_CHAN_ID}" - - debug_mesg "zFCP adapter at ${CCW_CHAN_ID} deactivated" -fi - -# EOF