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71 lines
2.2 KiB
71 lines
2.2 KiB
9 years ago
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#!/bin/bash
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# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
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# ex: ts=8 sw=4 sts=4 et filetype=sh
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# called by dracut
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cmdline() {
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get_lunmask() {
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local _dev=$1
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local _devpath=$(cd -P /sys/dev/block/$_dev ; echo $PWD)
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local _sdev _lun _rport _end_device _classdev _wwpn _sas_address
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[ "${_devpath#*/sd}" == "$_devpath" ] && return 1
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_sdev="${_devpath%%/block/*}"
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_lun="${_sdev##*:}"
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# Check for FibreChannel
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_rport="${_devpath##*/rport-}"
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if [ "$_rport" != "$_devpath" ] ; then
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_rport="${_rport%%/*}"
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_classdev="/sys/class/fc_remote_ports/rport-${_rport}"
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[ -d "$_classdev" ] || return 1
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_wwpn=$(cat ${_classdev}/port_name)
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echo "rd.lunmask=fc,${_wwpn},${_lun}"
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return 0
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fi
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# Check for SAS
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_end_device="${_devpath##*/end_device-}"
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if [ "$_end_device" != "$_devpath" ] ; then
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_end_device="${_end_device%%/*}"
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_classdev="/sys/class/sas_device/end_device-${_end_device}"
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[ -e "$_classdev" ] || return 1
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_sas_address=$(cat ${_classdev}/sas_address)
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echo "rd.lunmask=sas,${_sas_address},${_lun}"
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return 0
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fi
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return 1
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}
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[[ $hostonly ]] || [[ $mount_needs ]] && {
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for_each_host_dev_and_slaves_all get_lunmask
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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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[[ $hostonly ]] || [[ $mount_needs ]] && {
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[ -w /sys/module/scsi_mod/parameters/scan ] || return 255
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scan_type=$(cat /sys/module/scsi_mod/parameters/scan)
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[ "$scan_type" = "manual" ] && return 0
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return 255
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}
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return 0
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}
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# called by dracut
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depends() {
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return 0
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}
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# called by dracut
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install() {
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inst_script "$moddir/fc_transport_scan_lun.sh" /usr/lib/udev/fc_transport_scan_lun.sh
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inst_script "$moddir/sas_transport_scan_lun.sh" /usr/lib/udev/sas_transport_scan_lun.sh
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inst_hook cmdline 30 "$moddir/parse-lunmask.sh"
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if [[ $hostonly_cmdline == "yes" ]] ; then
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local _lunmask
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for _lunmask in $(cmdline) ; do
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printf "%s\n" "$_lunmask" >> "${initdir}/etc/cmdline.d/95lunmask.conf"
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done
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fi
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}
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