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73 lines
1.9 KiB
73 lines
1.9 KiB
#!/bin/bash |
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create_udev_rule() { |
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local ccw=$1 |
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local wwpn=$2 |
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local lun=$3 |
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local _rule=/etc/udev/rules.d/51-zfcp-${ccw}.rules |
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local _cu_type _dev_type |
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if [ -x /sbin/cio_ignore ] && cio_ignore -i "$ccw" > /dev/null; then |
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cio_ignore -r "$ccw" |
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fi |
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if [ -e /sys/bus/ccw/devices/"${ccw}" ]; then |
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read -r _cu_type < /sys/bus/ccw/devices/"${ccw}"/cutype |
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read -r _dev_type < /sys/bus/ccw/devices/"${ccw}"/devtype |
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fi |
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if [ "$_cu_type" != "1731/03" ]; then |
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return 0 |
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fi |
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if [ "$_dev_type" != "1732/03" ] && [ "$_dev_type" != "1732/04" ]; then |
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return 0 |
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fi |
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[ -z "$wwpn" ] || [ -z "$lun" ] && return |
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m=$(sed -n "/.*${wwpn}.*${lun}.*/p" "$_rule") |
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if [ -z "$m" ]; then |
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cat >> "$_rule" << EOF |
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ACTION=="add", KERNEL=="rport-*", ATTR{port_name}=="$wwpn", SUBSYSTEMS=="ccw", KERNELS=="$ccw", ATTR{[ccw/$ccw]$wwpn/unit_add}="$lun" |
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EOF |
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fi |
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} |
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if [[ -f /sys/firmware/ipl/ipl_type && \ |
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$(< /sys/firmware/ipl/ipl_type) == "fcp" ]]; then |
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( |
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_wwpn=$(cat /sys/firmware/ipl/wwpn) |
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_lun=$(cat /sys/firmware/ipl/lun) |
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_ccw=$(cat /sys/firmware/ipl/device) |
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create_udev_rule "$_ccw" "$_wwpn" "$_lun" |
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) |
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fi |
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for zfcp_arg in $(getargs rd.zfcp); do |
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( |
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OLDIFS="$IFS" |
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IFS="," |
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# shellcheck disable=SC2086 |
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set $zfcp_arg |
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IFS="$OLDIFS" |
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create_udev_rule "$1" "$2" "$3" |
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) |
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done |
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for zfcp_arg in $(getargs root=) $(getargs resume=); do |
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( |
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case $zfcp_arg in |
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/dev/disk/by-path/ccw-*) |
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ccw_arg=${zfcp_arg##*/} |
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;; |
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esac |
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if [ -n "$ccw_arg" ]; then |
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OLDIFS="$IFS" |
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IFS="-" |
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set -- "$ccw_arg" |
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IFS="$OLDIFS" |
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_wwpn=${4%:*} |
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_lun=${4#*:} |
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create_udev_rule "$2" "$wwpn" "$lun" |
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fi |
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) |
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done
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