#!/bin/bash
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##############################################################
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#
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# Copyright (c) International Business Machines Corp., 2003
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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# the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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#
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# FILE : sysfs.sh
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# USAGE : sysfs.sh [ -k <kernel_module> ]
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#
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# DESCRIPTION : A script that will test sysfs on Linux system.
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# REQUIREMENTS: CONFIG_DUMMY must have been used to build kernel, and the
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# dummy network module must exist.
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#
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# HISTORY :
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# 06/24/2003 Prakash Narayana (prakashn@us.ibm.com)
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#
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# CODE COVERAGE: 31.3% - fs/sysfs (Total Coverage)
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#
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# 0.0% - fs/sysfs/bin.c
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# 61.8% - fs/sysfs/dir.c
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# 27.5% - fs/sysfs/file.c
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# 40.4% - fs/sysfs/inode.c
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# 41.2% - fs/sysfs/mount.c
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# 58.1% - fs/sysfs/symlink.c
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#
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##############################################################
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MNT_POINT="/tmp/sysfs_$$"
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KERNEL_NAME=`uname -a | awk ' { print $3 } '`
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KERN_MODULE=/lib/modules/$KERNEL_NAME/kernel/drivers/net/dummy.ko
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USAGE="$0 [ -k <kernel_module> ]"
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##############################################################
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#
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# Make sure that uid=root is running this script.
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# Validate the command line arguments.
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#
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##############################################################
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if [ $UID != 0 ]
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then
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echo "FAILED: Must have root access to execute this script"
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exit 1
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fi
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while getopts k: args
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do
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case $args in
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k) KERN_MODULE=$OPTARG ;;
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\?) echo $USAGE ; exit 1 ;;
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esac
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done
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if [ -z "$KERN_MODULE" ]
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then
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echo $USAGE
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echo "FAILED: kernel module to insert not specified"
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exit 1
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fi
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# Here is the code coverage for fs/sysfs
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# insmod/rmmod net/dummy.ko creates and deletes a directory
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# under sysfs.
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# In kernel, 2.5.73 or higher, insert/delete base/firmware_class.ko
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mkdir -p -m 777 $MNT_POINT
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mount -t sysfs sysfs $MNT_POINT
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if [ $? != 0 ]
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then
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echo "FAILED: sysfs mount failed"
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exit 1
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fi
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insmod $KERN_MODULE
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if [ $? != 0 ]
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then
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umount $MNT_POINT
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rm -rf $MNT_POINT
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echo "FAILED: insmod failed"
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exit 1
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fi
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rmmod $KERN_MODULE
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if [ $? != 0 ]
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then
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umount $MNT_POINT
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rm -rf $MNT_POINT
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echo "FAILED: rmmod failed"
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exit 1
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fi
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#######################################################
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#
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# Just before exit, perform the cleanup.
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#
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#######################################################
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umount $MNT_POINT
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rm -rf $MNT_POINT
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echo "PASSED: $0 passed!"
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exit 0
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