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|
#!/bin/sh
eckd_dasd=
fba_dasd=
_dasdfmt() {
local block="$(ls /sys/bus/ccw/devices/"$1"/block 2>/dev/null)" answer=
if ! [ -b "/dev/$block" ]; then
echo "/dev/$block is not a block device" >&2
else
echo -n "WARNING: Erase ECKD DASD $1? [y/N]: "
read answer
case "$answer" in
y*|Y*) dasdfmt -b 4096 -d cdl -yp "/dev/$block" ;;
esac
fi
}
eckdselect_help() {
cat <<-__EOF__
Enter each available DASD's address (e.g. 0.0.02d0) to format that DASD.
Enter multiple addresses separated by a space to format multiple DASDs.
Enter 'all' to format all available DASDs.
WARNING: Data will be lost after formatted!
Enter 'done' or 'none' to finish formatting.
Enter 'abort' to quit the installer.
__EOF__
}
show_dasd_info() {
local busid= vendor= block= devtype= cutype=
for busid in $@; do
vendor=$(cat /sys/bus/ccw/devices/$busid/vendor 2>/dev/null)
devtype=$(cat /sys/bus/ccw/devices/$busid/devtype 2>/dev/null)
cutype=$(cat /sys/bus/ccw/devices/$busid/cutype 2>/dev/null)
block="$(ls /sys/bus/ccw/devices/$busid/block 2>/dev/null)"
echo " $busid ($devtype $cutype $vendor)"
done
}
ask_eckd(){
local prompt="$1"
local help_func="$2"
shift 2
local answer=
local default_dasd="all"
apk add --quiet s390-tools
while ! all_in_list "$answer" $@ "$default_dasd" "abort" "done" "none"; do
echo "Available ECKD DASD(s) are:"
show_dasd_info "$@"
echon "$prompt [$default_dasd] "
default_read answer $default_dasd
case "$answer" in
'abort') exit 0;;
'done'|'none') return 0;;
'?') $help_func;;
'all') for busid in $@; do _dasdfmt $busid; done;;
*) for busid in $answer; do _dasdfmt $busid; done;;
esac
done
}
check_dasd() {
eckd_dasd= fba_dasd=
local dasd="$(get_bootopt dasd)"
for _dasd in $( echo $dasd | tr ',' ' '); do
[ -e /sys/bus/ccw/drivers/dasd-eckd/$_dasd ] && eckd_dasd="$eckd_dasd $_dasd"
[ -e /sys/bus/ccw/drivers/dasd-fba/$_dasd ] && fba_dasd="$fba_dasd $_dasd"
done
if [ -n "$eckd_dasd" ]; then
ask_eckd \
"Which ECKD DASD(s) would you like to be formatted using dasdfmt? (enter '?' for help)" \
eckdselect_help "$eckd_dasd"
fi
}
is_dasd() {
local disk="${1#*\/dev\/}" dasd_type="$2"
for _dasd in $(eval "echo \$${dasd_type}_dasd"); do
[ -e /sys/bus/ccw/drivers/dasd-$dasd_type/$_dasd/block/$disk ] && return 0
done
return 1
}
setup_zipl() {
local mnt="$1" root="$2" modules="$3" kernel_opts="$4"
local parameters="root=$root modules=$modules $kernel_opts"
local dasd=$(echo $eckd_dasd $fba_dasd | tr ' ' ',')
local s390x_net="$(get_bootopt s390x_net)"
[ -n "$dasd" ] && parameters="$parameters dasd=$dasd"
[ -n "$s390x_net" ] && parameters="$parameters s390x_net=$s390x_net"
cat > "$mnt"/etc/zipl.conf <<- EOF
[defaultboot]
defaultauto
prompt=1
timeout=5
default=linux
target=/boot
[linux]
image=/boot/vmlinuz-$KERNEL_FLAVOR
ramdisk=/boot/initramfs-$KERNEL_FLAVOR
parameters="$parameters"
EOF
}
setup_partitions_eckd() {
local blocks_per_track=12 tracks_per_cylinder=15 boot_track= swap_track=
local diskdev=$1 boot_size=$2 swap_size=$3 sys_type=$4
boot_track=$(($boot_size * 1024 / 4 / blocks_per_track))
[ "$swap_size" != 0 ] && swap_track=$(($swap_size * 1024 / 4 / blocks_per_track + boot_track + 1))
local conf="$(mktemp)"
if [ -n "$swap_track" ]; then
cat > "$conf" <<- EOF
[first,$boot_track,native]
[$((boot_track + 1)),$swap_track,swap]
[$((swap_track + 1)),last,$sys_type]
EOF
else
cat > "$conf" <<- EOF
[first,$boot_track,native]
[$((boot_track + 1)),last,$sys_type]
EOF
fi
fdasd -s -c "$conf" $diskdev
rm $conf
}
|
