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117 lines
3.1 KiB
117 lines
3.1 KiB
#!/bin/bash |
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create_udev_rule() { |
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local ccw=$1 |
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local _drv _cu_type _dev_type |
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local _rule=/etc/udev/rules.d/51-dasd-${ccw}.rules |
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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 _cu_type < /sys/bus/ccw/devices/${ccw}/cutype |
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read _dev_type < /sys/bus/ccw/devices/${ccw}/devtype |
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fi |
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case "$_cu_type" in |
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3990/* | 2105/* | 2107/* | 1750/* | 9343/*) |
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_drv=dasd-eckd |
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;; |
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6310/*) |
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_drv=dasd-fba |
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;; |
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3880/*) |
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case "$_dev_type" in |
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3380/*) |
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_drv=dasd_eckd |
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;; |
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3370/*) |
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_drv=dasd-fba |
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;; |
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esac |
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;; |
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esac |
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[ -z "${_drv}" ] && return 0 |
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[ -e ${_rule} ] && return 0 |
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cat > $_rule << EOF |
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ACTION=="add", SUBSYSTEM=="ccw", KERNEL=="$ccw", IMPORT{program}="collect $ccw %k ${ccw} $_drv" |
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ACTION=="add", SUBSYSTEM=="drivers", KERNEL=="$_drv", IMPORT{program}="collect $ccw %k ${ccw} $_drv" |
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ACTION=="add", ENV{COLLECT_$ccw}=="0", ATTR{[ccw/$ccw]online}="1" |
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EOF |
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} |
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if [[ -f /sys/firmware/ipl/ipl_type && \ |
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$(< /sys/firmware/ipl/ipl_type) == "ccw" ]]; then |
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( |
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_ccw=$(cat /sys/firmware/ipl/device) |
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create_udev_rule $_ccw |
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) |
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fi |
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for dasd_arg in $(getargs root=) $(getargs resume=); do |
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( |
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case $dasd_arg in |
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/dev/disk/by-path/ccw-*) |
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ccw_arg=${dasd_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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create_udev_rule $2 |
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fi |
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) |
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done |
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for dasd_arg in $(getargs rd.dasd=); do |
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( |
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OLDIFS="$IFS" |
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IFS="," |
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set -- $dasd_arg |
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IFS="$OLDIFS" |
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while (($# > 0)); do |
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case $1 in |
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autodetect | probeonly) |
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shift |
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;; |
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*-*) |
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range=$1 |
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OLDIFS="$IFS" |
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IFS="-" |
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set -- $range |
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prefix=${1%.*} |
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start=${1##*.} |
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shift |
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end=${1##.} |
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shift |
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IFS="$OLDIFS" |
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for dev in $(seq $((16#$start)) $((16#$end))); do |
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create_udev_rule "$(printf "%s.%04x" "$prefix" "$dev")" |
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done |
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;; |
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*) |
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dev=${1%(ro)} |
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if [ "$dev" != "$1" ]; then |
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ro=1 |
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fi |
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OLDIFS="$IFS" |
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IFS="." |
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set -- $dev |
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sid=$1 |
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shift |
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ssid=$1 |
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shift |
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chan=$1 |
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IFS="$OLDIFS" |
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create_udev_rule "$(printf "%01x.%01x.%04x" $((16#$sid)) $((16#$ssid)) $((16#$chan)))" |
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shift |
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;; |
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esac |
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done |
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) |
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done
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