testscripts/sysfs.sh

   1 #!/bin/bash
   2
   3
   4 ##############################################################
   5 #
   6 #  Copyright (c) International Business Machines  Corp., 2003
   7 #
   8 #  This program is free software;  you can redistribute it and/or modify
   9 #  it under the terms of the GNU General Public License as published by
  10 #  the Free Software Foundation; either version 2 of the License, or
  11 #  (at your option) any later version.
  12 #
  13 #  This program is distributed in the hope that it will be useful,
  14 #  but WITHOUT ANY WARRANTY;  without even the implied warranty of
  15 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  16 #  the GNU General Public License for more details.
  17 #
  18 #  You should have received a copy of the GNU General Public License
  19 #  along with this program;  if not, write to the Free Software
  20 #  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  21 #
  22 #  FILE        : sysfs.sh
  23 #  USAGE       : sysfs.sh [ -k <kernel_module> ]
  24 #
  25 #  DESCRIPTION : A script that will test sysfs on Linux system.
  26 #  REQUIREMENTS: CONFIG_DUMMY must have been used to build kernel, and the
  27 #                dummy network module must exist.
  28 #
  29 #  HISTORY     :
  30 #      06/24/2003 Prakash Narayana (prakashn@us.ibm.com)
  31 #
  32 #  CODE COVERAGE: 31.3% - fs/sysfs (Total Coverage)
  33 #
  34 #                  0.0% - fs/sysfs/bin.c
  35 #                 61.8% - fs/sysfs/dir.c
  36 #                 27.5% - fs/sysfs/file.c
  37 #                 40.4% - fs/sysfs/inode.c
  38 #                 41.2% - fs/sysfs/mount.c
  39 #                 58.1% - fs/sysfs/symlink.c
  40 #
  41 ##############################################################
  42
  43
  44 MNT_POINT="/tmp/sysfs_$$"
  45
  46 KERNEL_NAME=`uname -a | awk ' { print $3 } '`
  47 KERN_MODULE=/lib/modules/$KERNEL_NAME/kernel/drivers/net/dummy.ko
  48 USAGE="$0 [ -k <kernel_module> ]"
  49
  50
  51 ##############################################################
  52 #
  53 # Make sure that uid=root is running this script.
  54 # Validate the command line arguments.
  55 #
  56 ##############################################################
  57
  58 if [ $UID != 0 ]
  59 then
  60         echo "FAILED: Must have root access to execute this script"
  61         exit 1
  62 fi
  63
  64 while getopts k: args
  65 do
  66         case $args in
  67         k)      KERN_MODULE=$OPTARG ;;
  68         \?)     echo $USAGE ; exit 1 ;;
  69         esac
  70 done
  71
  72 if [ -z "$KERN_MODULE" ]
  73 then
  74         echo $USAGE
  75         echo "FAILED: kernel module to insert not specified"
  76         exit 1
  77 fi
  78
  79 # Here is the code coverage for fs/sysfs
  80 # insmod/rmmod net/dummy.ko creates and deletes a directory
  81 # under sysfs.
  82 # In kernel, 2.5.73 or higher, insert/delete base/firmware_class.ko
  83
  84 mkdir -p -m 777 $MNT_POINT
  85 mount -t sysfs sysfs $MNT_POINT
  86 if [ $? != 0 ]
  87 then
  88         echo "FAILED: sysfs mount failed"
  89         exit 1
  90 fi
  91
  92 insmod $KERN_MODULE
  93 if [ $? != 0 ]
  94 then
  95         umount $MNT_POINT
  96         rm -rf $MNT_POINT
  97         echo "FAILED: insmod failed"
  98         exit 1
  99 fi
 100
 101 rmmod $KERN_MODULE
 102 if [ $? != 0 ]
 103 then
 104         umount $MNT_POINT
 105         rm -rf $MNT_POINT
 106         echo "FAILED: rmmod failed"
 107         exit 1
 108 fi
 109
 110
 111 #######################################################
 112 #
 113 # Just before exit, perform the cleanup.
 114 #
 115 #######################################################
 116
 117 umount $MNT_POINT
 118 rm -rf $MNT_POINT
 119
 120 echo "PASSED: $0 passed!"
 121 exit 0