| #!/bin/bash |
| # |
| # cciss_id |
| # |
| # Generates device node names according to the cciss naming rules |
| # |
| # Copyright (C) 2011 SUSE Linux Products GmbH |
| # Author: |
| # Hannes Reinecke <[email protected]> |
| # |
| # |
| # This program is free software; you can redistribute it and/or modify it |
| # under the terms of the GNU General Public License as published by the |
| # Free Software Foundation version 2 of the License. |
| # |
| # This script generates a device node name which is compatible |
| # with the 'cciss' device naming rules. |
| # It is intended to provide backward-compatible names for the |
| # 'hpsa' driver. |
| # |
| |
| cciss_enumerate() |
| { |
| local last_pci_dev=${1##0000:} |
| local cur_pci_dev |
| local cciss_num=0 |
| |
| for cur_pci_dev in $(lspci -n | tac | sed -n 's/\(..:..\..\) .* 103c:\(3220\|3230\|3238\|323a\|323b\) .*/\1/p') ; do |
| if [ "$cur_pci_dev" == "$last_pci_dev" ] ; then |
| echo "$cciss_num" |
| return; |
| fi |
| cciss_num=$(($cciss_num + 1)) |
| done |
| echo "$cciss_num" |
| } |
| |
| hpsa_lun_offset() |
| { |
| local scsi_host=$1 |
| |
| scsi_id=$(lsscsi 2>/dev/null | sed -n "s/.\(${scsi_host}:[0-9]*:[0-9]*:[0-9]*\)..*disk .*/\1/p" | head -1) |
| echo ${scsi_id##*:} |
| } |
| |
| DEVPATH=$1 |
| SCSIPATH=$(cd -P /sys$DEVPATH/device; echo $PWD) |
| SCSIID=${SCSIPATH##*/} |
| HOSTID=${SCSIID%%:*} |
| LUNID=${SCSIID##*:} |
| PCIPATH=${SCSIPATH%%/host*} |
| PCIDEV=${PCIPATH##*/} |
| HOSTPATH=${PCIPATH}/host${HOSTID}/scsi_host/host${HOSTID} |
| read controller 2>/dev/null <${HOSTPATH}/ctlr_num || controller=$(cciss_enumerate $PCIDEV) |
| |
| # hpsa lies about the LUN ... |
| disk_offset=$(hpsa_lun_offset $HOSTID) |
| if [ "$disk_offset" ] ; then |
| disk=$(( $LUNID - $disk_offset )) |
| else |
| disk=$LUNID |
| fi |
| |
| if [ "$controller" ] && [ "$disk" ] ; then |
| echo "ID_CCISS=c${controller}d${disk}" |
| fi |
