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73 lines
2.2 KiB
73 lines
2.2 KiB
#!/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=$1 |
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local _devpath _sdev _lun _rport _end_device _classdev _wwpn _sas_address |
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_devpath=$( |
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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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[ "${_devpath#*/sd}" == "$_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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