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80 lines
2.1 KiB
80 lines
2.1 KiB
#!/bin/bash |
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# called by dracut |
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cmdline() { |
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is_zfcp() { |
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local _dev=$1 |
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local _devpath |
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_devpath=$( |
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cd -P /sys/dev/block/"$_dev" || exit |
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echo "$PWD" |
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) |
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local _sdev _scsiid _hostno _lun _wwpn _ccw _port_type |
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local _allow_lun_scan _is_npiv |
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_allow_lun_scan=$(cat /sys/module/zfcp/parameters/allow_lun_scan) |
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[ "${_devpath#*/sd}" == "$_devpath" ] && return 1 |
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_sdev="${_devpath%%/block/*}" |
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[ -e "${_sdev}"/fcp_lun ] || return 1 |
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_scsiid="${_sdev##*/}" |
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_hostno="${_scsiid%%:*}" |
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[ -d /sys/class/fc_host/host"${_hostno}" ] || return 1 |
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_port_type=$(cat /sys/class/fc_host/host"${_hostno}"/port_type) |
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case "$_port_type" in |
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NPIV*) |
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_is_npiv=1 |
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;; |
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esac |
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_ccw=$(cat "${_sdev}"/hba_id) |
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if [ "$_is_npiv" ] && [ "$_allow_lun_scan" = "Y" ]; then |
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echo "rd.zfcp=${_ccw}" |
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else |
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_lun=$(cat "${_sdev}"/fcp_lun) |
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_wwpn=$(cat "${_sdev}"/wwpn) |
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echo "rd.zfcp=${_ccw},${_wwpn},${_lun}" |
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fi |
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return 0 |
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} |
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[[ $hostonly ]] || [[ $mount_needs ]] && { |
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for_each_host_dev_and_slaves_all is_zfcp |
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} | sort | uniq |
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} |
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# called by dracut |
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check() { |
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local _arch=${DRACUT_ARCH:-$(uname -m)} |
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local _ccw |
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[ "$_arch" = "s390" -o "$_arch" = "s390x" ] || return 1 |
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[[ $hostonly ]] || [[ $mount_needs ]] && { |
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found=0 |
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for _ccw in /sys/bus/ccw/devices/*/host*; do |
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[ -d "$_ccw" ] || continue |
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found=$((found + 1)) |
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done |
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[ $found -eq 0 ] && return 255 |
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} |
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return 0 |
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} |
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# called by dracut |
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depends() { |
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echo bash |
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return 0 |
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} |
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# called by dracut |
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install() { |
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inst_hook cmdline 30 "$moddir/parse-zfcp.sh" |
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if [[ $hostonly_cmdline == "yes" ]]; then |
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local _zfcp |
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for _zfcp in $(cmdline); do |
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printf "%s\n" "$_zfcp" >> "${initdir}/etc/cmdline.d/94zfcp.conf" |
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done |
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fi |
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if [[ $hostonly ]]; then |
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inst_rules_wildcard "51-zfcp-*.rules" |
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inst_rules_wildcard "41-zfcp-*.rules" |
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fi |
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}
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