2019-08-06 18:58:26 +00:00
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#!/bin/sh
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# config file syntax:
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# deviceno WWPN FCPLUN
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2021-03-30 15:16:34 +00:00
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# deviceno # allowed when auto LUN scan is enabled and port is in NPIV mode
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2019-08-06 18:58:26 +00:00
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#
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# Example:
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# 0.0.4000 0x5005076300C213e9 0x5022000000000000
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# 0.0.4001 0x5005076300c213e9 0x5023000000000000
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2021-03-30 15:16:34 +00:00
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# 0.0.5000
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2019-08-06 18:58:26 +00:00
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#
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#
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# manual setup:
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# modprobe zfcp
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# echo 1 > /sys/bus/ccw/drivers/zfcp/0.0.4000/online
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# echo LUN > /sys/bus/ccw/drivers/zfcp/0.0.4000/WWPN/unit_add
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#
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# Example:
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# modprobe zfcp
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# echo 1 > /sys/bus/ccw/drivers/zfcp/0.0.4000/online
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# echo 0x5022000000000000 > /sys/bus/ccw/drivers/zfcp/0.0.4000/0x5005076300c213e9/unit_add
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CONFIG=/etc/zfcp.conf
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PATH=/bin:/sbin
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2021-03-30 15:16:34 +00:00
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set_online()
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{
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DEVICE=$1
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[ `cat /sys/bus/ccw/drivers/zfcp/${DEVICE}/online` = "0" ] \
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&& echo 1 > /sys/bus/ccw/drivers/zfcp/${DEVICE}/online
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}
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2019-08-06 18:58:26 +00:00
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if [ -f "$CONFIG" ]; then
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if [ ! -d /sys/bus/ccw/drivers/zfcp ]; then
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modprobe zfcp
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fi
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if [ ! -d /sys/bus/ccw/drivers/zfcp ]; then
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return
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fi
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sed 'y/ABCDEF/abcdef/' < $CONFIG | while read line; do
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case $line in
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\#*) ;;
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*)
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[ -z "$line" ] && continue
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set $line
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2021-03-30 15:16:34 +00:00
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if [ $# -eq 1 ]; then
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DEVICE=${1##*0x}
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if [ `cat /sys/module/zfcp/parameters/allow_lun_scan` = "Y" ]; then
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set_online ${DEVICE}
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grep -q NPIV /sys/bus/ccw/devices/${DEVICE}/host*/fc_host/host*/port_type || \
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echo "Error: Only device ID (${DEVICE}) given, but port not in NPIV mode"
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else
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echo "Error: Only device ID (${DEVICE}) given, but LUN scan is disabled for the zfcp module"
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fi
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continue
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fi
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2019-08-06 18:58:26 +00:00
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if [ $# -eq 5 ]; then
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DEVICE=$1
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SCSIID=$2
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WWPN=$3
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SCSILUN=$4
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FCPLUN=$5
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echo "Warning: Deprecated values in /etc/zfcp.conf, ignoring SCSI ID $SCSIID and SCSI LUN $SCSILUN"
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elif [ $# -eq 3 ]; then
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DEVICE=${1##*0x}
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WWPN=$2
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FCPLUN=$3
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fi
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2021-03-30 15:16:34 +00:00
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set_online ${DEVICE}
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2019-08-06 18:58:26 +00:00
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[ ! -d /sys/bus/ccw/drivers/zfcp/${DEVICE}/${WWPN}/${FCPLUN} ] \
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&& echo $FCPLUN > /sys/bus/ccw/drivers/zfcp/${DEVICE}/${WWPN}/unit_add
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;;
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esac
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done
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fi
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