zconf/lszcrypt

   1 #!/bin/bash
   2 #==============================================================================
   3 # Copyright IBM Corp. 2008.
   4 #
   5 # lszcrypt
   6 #
   7 # Script to display zcrypt devices and configuration settings.
   8 #
   9 # Author(s): Ralph Wuerthner <rwuerthn@de.ibm.com>
  10 #            Felix Beck <felix.beck@de.ibm.com>
  11 #
  12 # This file is part of s390-tools
  13 #
  14 # s390-tools is free software; you can redistribute it and/or modify
  15 # it under the terms of the GNU General Public License as published by
  16 # the Free Software Foundation; either version 2 of the License, or
  17 # (at your option) any later version.
  18 #
  19 # s390-tools is distributed in the hope that it will be useful,
  20 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 # GNU General Public License for more details.
  23 #
  24 # You should have received a copy of the GNU General Public License
  25 # along with s390-tools; if not, write to the Free Software
  26 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  27 #==============================================================================
  28
  29 CMD="$( basename $0 )"
  30
  31 function print_usage() {
  32         cat <<-EOF
  33         Usage: $CMD [<options>] [<cryptographic adapter ids>]
  34         Display zcrypt device and configuration information.
  35
  36         <options>
  37         -b|--bus
  38                 Show AP bus attributes and exit.
  39         -V|--verbose
  40                 Increase verbose level for cryptographic adapter information. Maximum
  41                 verbose level is two.
  42         -v|--version
  43                 Show version information and exit.
  44         -h|--help
  45                 Show this help text and exit.
  46
  47         <cryptographic adapter ids>
  48         List of cryptographic adapter ids separated by blanks which will be displayed.
  49         If not ids are given all available adapters are displayed.
  50         EOF
  51 }
  52
  53 function print_version() {
  54     cat <<-EOF
  55         $CMD: version %S390_TOOLS_VERSION%
  56         Copyright IBM Corp. 2007
  57         EOF
  58 }
  59
  60 invalid_cmdline() {
  61     echo "$CMD: $*" >&2
  62     echo "Try '$CMD --help' for more information." >&2
  63     exit 1
  64 }
  65
  66 show_bus() {
  67     AP="$SYSFS/bus/ap"
  68     DOMAIN="$( cat $AP/ap_domain 2> /dev/null )"
  69     CONFIG_TIME="$( cat $AP/config_time 2> /dev/null )"
  70     POLL_TIMEOUT="$( cat $AP/poll_timeout 2> /dev/null )"
  71     if [ "$( cat $AP/poll_thread 2> /dev/null )" -eq 1 ] ; then
  72         POLL_THREAD="enabled"
  73     else
  74         POLL_THREAD="disabled"
  75     fi
  76     if [ "$( cat $AP/ap_interrupts 2> /dev/null )" -eq 1 ] ; then
  77         AP_INTERRUPTS="enabled"
  78     else
  79         AP_INTERRUPTS="disabled"
  80     fi
  81     echo "ap_domain=$DOMAIN"
  82     if [ -f "$AP/ap_interrupts" ] ; then
  83         echo "ap_interrupts are $AP_INTERRUPTS"
  84     fi
  85     echo "config_time=$CONFIG_TIME (seconds)"
  86     echo "poll_thread is $POLL_THREAD"
  87     if [ -f "$AP/poll_timeout" ] ; then
  88         echo "poll_timeout=$POLL_TIMEOUT (nanoseconds)"
  89     fi
  90 }
  91
  92 show_device() {
  93     CARD="$1"
  94     DEV="$SYSFS/bus/ap/devices/$CARD"
  95     if [ ! -d "$DEV" ] ; then
  96         echo "$CMD: error - cryptographic adapter $CARD does not exist!" >&2
  97         exit 1
  98     fi
  99     if [ -r $DEV/type ] ; then
 100         TYPE="$( cat $DEV/type 2> /dev/null )"
 101     else
 102         TYPE=unknown
 103     fi
 104     if [ -r $DEV/online ] ; then
 105         if [ "$( cat $DEV/online 2> /dev/null )" -eq 0 ] ; then
 106             ONLINE=offline
 107         else
 108             ONLINE=online
 109         fi
 110     else
 111         ONLINE=unknown
 112     fi
 113     case $VERBOSE in
 114         0) echo "$CARD: $TYPE"
 115             ;;
 116         1) printf "%s: %-11s %-7s\n" $CARD $TYPE $ONLINE
 117             ;;
 118         *)
 119             HWTYPE="$( cat $DEV/hwtype 2> /dev/null )"
 120             DEPTH="$( cat $DEV/depth 2> /dev/null )"
 121             REQ_CNT="$( cat $DEV/request_count 2> /dev/null )"
 122             printf "%s: %-11s %-7s hwtype=%-2d depth=%d request_count=%-10d\n" \
 123             $CARD $TYPE $ONLINE $HWTYPE $DEPTH $REQ_CNT
 124     esac
 125 }
 126
 127 # Parse command line
 128 TEMP=`getopt -o bhvV \
 129       --long bus,help,version,verbose \
 130      -n "$CMD" -- "$@"`
 131 if [ $? != 0 ] ; then
 132     exit 1
 133 fi
 134 eval set -- "$TEMP"
 135
 136 SHOW_BUS=
 137 VERBOSE=0
 138 while true ; do
 139     case "$1" in
 140         -b|--bus) SHOW_BUS=1
 141             shift;;
 142         -h|--help) print_usage
 143             exit 0;;
 144         -v|--version) print_version
 145             exit 0;;
 146         -V|--verbose) let VERBOSE++
 147             shift;;
 148         --) shift; break;;
 149         *) echo "Internal error!" ; exit 1;;
 150     esac
 151 done
 152
 153 # Check sysfs and zcrypt availability
 154 if [ -z "$( cat /proc/filesystems | grep sysfs )" ] ; then
 155     echo "$CMD: error - sysfs support required!" >&2
 156     exit 1
 157 fi
 158 SYSFS="$( cat /proc/mounts | awk '$3=="sysfs" { print $2 ; exit }' )"
 159 if [ -z "$SYSFS" ] ; then
 160     echo "$CMD: error - sysfs filesystem must be mounted!" >&2
 161     exit 1
 162 fi
 163 if [ ! -d "$SYSFS/bus/ap" ] ; then
 164     echo "$CMD: error - cryptographic device driver zcrypt is not loaded!" >&2
 165     exit 1
 166 fi
 167
 168 if [ -n "$SHOW_BUS" ] ; then
 169     show_bus
 170     exit 0
 171 fi
 172
 173 if [ $# -eq 0 ] ; then
 174     DEVLIST="$( find $SYSFS/bus/ap/devices -name 'card*' -printf '%f\n' | sort )"
 175     for CARD in $DEVLIST ; do
 176         show_device $CARD
 177     done
 178 else
 179     for ID in "$@" ; do
 180         CARD="$( printf "card%02x" "$ID" 2> /dev/null )"
 181         if [ $? -ne 0 ] ; then
 182             invalid_cmdline "error - '$ID' is an invalid cryptographic adapter id!"
 183         fi
 184         show_device $CARD
 185     done
 186 fi