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#! /bin/bash
# Copyright (c) 2010 International Business Machines
#
# 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; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# Author Brian King <brking@linux.vnet.ibm.com>
#
# ls-vdev - This utility provides the HMC or IVM with name information for
# virtual scsi adapters and devices
#
LSVDEV="ls-vdev"
VERSION="0.1"
LS="/bin/ls"
GREP="/bin/grep"
SED="/bin/sed"
PSERIES_PLATFORM=$(dirname $0)/pseries_platform
usage()
{
echo "Usage: $LSVDEV"
echo "Provide information on Virtual SCSI adapters and devices"
echo ""
echo "Optional arguments."
echo " -V Display version information and exit"
echo " -h Display this help information and exit"
echo ""
}
show_version()
{
echo "$LSVDEV: Version $VERSION"
echo "Written by: Brian King <brking@linux.vnet.ibm.com>"
}
. $PSERIES_PLATFORM
if [[ $platform != $PLATFORM_PSERIES_LPAR ]]; then
echo "$LSVDEV: is not supported on the $platform_name platform"
exit 1
fi
while getopts ":Vh" flag ; do
case "$flag" in
V) show_version
exit 0 ;;
h) usage
exit 0 ;;
\?) usage
exit 1 ;;
esac
done
# Look at every ibmvscsi (Virtual SCSI) device
for dev in $($LS -d /proc/device-tree/vdevice/v-scsi* 2> /dev/null) ; do
# find the slot so it can be used in sysfs
slot=$(echo $dev | $SED -e "s/\/proc\/device-tree\/vdevice\/v-scsi@//")
# there is only one host per device, assign it to the path's name
for host in $($LS -d /sys/devices/vio/$slot/host* 2> /dev/null) ; do
parent=$(echo $host | $SED -e "s/.*\///")
host=$($LS -d /sys/devices/vio/$slot/host*/)
# loop through the targets for this host.
for t in $($LS -d $host/target* 2> /dev/null); do
target=$(echo $($LS -d $t/$($LS $t | $GREP -v uevent | $GREP -v power | $GREP -v subsystem)))
if [[ ! -d $target/block ]]; then
name=$(echo $($LS -d $target/block*) | $SED -e "s/.*://")
else
name=$($LS $target/block)
fi
echo "$parent $name"
done
done
done
exit 0
# end
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