functional/devices/devices_common.kshlib

	devices_common.kshlib revision 1d32ba663e202c24a5a1f2e5aef83fffb447cb7f
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
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# You may not use this file except in compliance with the License.
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# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
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# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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#
# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#

#
# Copyright (c) 2013, 2016 by Delphix. All rights reserved.
#

. $STF_SUITE/tests/functional/devices/devices.cfg
. $STF_SUITE/include/libtest.shlib

#
# Create block file or charactor file according to parameter.
#
# $1 device file type
# $2 file name
#
function create_dev_file
{
    typeset filetype=$1
    typeset filename=$2

    case $filetype in
        b)
            devtype=$(df -n / | awk '{print $3}')
            case $devtype in
                zfs)
                    rootpool=$(df / | \
                        awk '{print $2}')
                    rootpool=${rootpool#\(}
                    rootpool=${rootpool%%/*}

                    devstr=$(get_disklist $rootpool)
                    devstr=$(echo "$devstr" | \
                        awk '{print $1}')
                    [[ -z $devstr ]] && \
                        log_fail "Can not get block device file."
                    devstr=/dev/dsk/${devstr}
                    ;;
                ufs)
            #
            # Get the existing block device file in current system.
            # And bring out the first one.
            #
                    devstr=$(df -lhF ufs | \
                        grep "^/dev/dsk" | \
                        awk '{print $1}')
                    devstr=$(echo "$devstr" | \
                        awk '{print $1}')
                    [[ -z $devstr ]] && \
                        log_fail "Can not get block device file."
                    ;;
                *)
                    log_unsupported "Unsupported fstype " \
                        "for / ($devtype)," \
                        "only ufs|zfs is supported."
                    ;;
            esac

            #
            # Get the device file information. i.e:
            # /dev/dsk/c0t0d0s0:      block special (28/768)
            #
            devstr=$(file $devstr)

            #
            # Bring out major and minor number.
            #
            major=${devstr##*\(}
            major=${major%%/*}
            minor=${devstr##*/}
            minor=${minor%\)}

            log_must mknod $filename b $major $minor
            ;;
        c)
            #
            # Create device file '/dev/null'
            #
            log_must mknod $filename c $(getmajor mm) 2
            ;;
        *)
            log_fail "'$filetype' is wrong."
            ;;
    esac

    return 0
}

function cleanup
{
    log_must zfs set devices=on $TESTPOOL/$TESTFS
    log_must rm -f $TESTDIR/$TESTFILE1
    log_must rm -f $TESTDIR/$TESTFILE2
    log_must rm -f $TESTDIR/$TESTFILE1.out
    log_must rm -f $TESTDIR/$TESTFILE2.out
}