modules.d/95zfcp_rules/parse-zfcp.sh

   1 #!/bin/sh
   2
   3 create_udev_rule() {
   4     local ccw=$1
   5     local wwpn=$2
   6     local lun=$3
   7     local _rule=/etc/udev/rules.d/51-zfcp-${ccw}.rules
   8
   9     local _cu_type _dev_type
  10     local _rule=/etc/udev/rules.d/51-zfcp-${ccw}.rules
  11
  12     if [ -e /sys/bus/ccw/devices/${ccw} ] ; then
  13         read _cu_type < /sys/bus/ccw/devices/${ccw}/cutype
  14         read _dev_type < /sys/bus/ccw/devices/${ccw}/devtype
  15     fi
  16     if [ "$_cu_type" != "1731/03" ] ; then
  17         return 0;
  18     fi
  19     if [ "$_dev_type" != "1732/03" ] && [ "$_dev_type" != "1732/04" ] ; then
  20         return 0;
  21     fi
  22
  23     [ -e ${_rule} ] && return 0
  24
  25     if [ ! -f "$_rule" ] ; then
  26         cat > $_rule <<EOF
  27 ACTION=="add", SUBSYSTEM=="ccw", KERNEL=="$ccw", IMPORT{program}="collect $ccw %k ${ccw} zfcp"
  28 ACTION=="add", SUBSYSTEM=="drivers", KERNEL=="zfcp", IMPORT{program}="collect $ccw %k ${ccw} zfcp"
  29 ACTION=="add", ENV{COLLECT_$ccw}=="0", ATTR{[ccw/$ccw]online}="1"
  30 EOF
  31     fi
  32     m=$(sed -n "/.*${wwpn}.*${lun}.*/p" $_rule)
  33     if [ -z "$m" ] ; then
  34         cat >> $_rule <<EOF
  35 ACTION=="add", KERNEL=="rport-*", ATTR{port_name}=="$wwpn", SUBSYSTEMS=="ccw", KERNELS=="$ccw", ATTR{[ccw/$ccw]$wwpn/unit_add}="$lun"
  36 EOF
  37     fi
  38 }
  39
  40 for zfcp_arg in $(getargs rd.zfcp); do
  41     (
  42         IFS=","
  43         set $zfcp_arg
  44         create_udev_rule $1 $2 $3
  45     )
  46 done
  47
  48 for zfcp_arg in $(getargs root=) $(getargs resume=); do
  49     (
  50         case $zfcp_arg in
  51             /dev/disk/by-path/ccw-*)
  52                 ccw_arg=${zfcp_arg##*/}
  53                 break;
  54         esac
  55         if [ -n "$ccw_arg" ] ; then
  56             IFS="-"
  57             set -- $ccw_arg
  58             wwpn=${4%:*}
  59             lun=${4#*:}
  60             create_udev_rule $2 $wwpn $lun
  61         fi
  62     )
  63 done