#

# CDDL HEADER START

#

# The contents of this file are subject to the terms of the

# Common Development and Distribution License (the "License").

# You may not use this file except in compliance with the License.

#

# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

# or http://www.opensolaris.org/os/licensing.

# See the License for the specific language governing permissions

# and limitations under the License.

#

# When distributing Covered Code, include this CDDL HEADER in each

# file and include the License file at usr/src/OPENSOLARIS.LICENSE.

# If applicable, add the following below this CDDL HEADER, with the

# fields enclosed by brackets "[]" replaced with your own identifying

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#

# Copyright 2009 Sun Microsystems, Inc. All rights reserved.

# Use is subject to license terms.

#

#

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

#

. $STF_SUITE/include/libtest.shlib

. $STF_SUITE/tests/functional/zvol/zvol.cfg

#

# Create a simple zvol volume

#

# Where disk_device: is the name of the disk to be used

# volume_size: is the size of the volume, e.g. 2G

#

function default_zvol_setup # disk_device volume_size

{

typeset disk=$1

typeset size=$2

typeset savedumpdev

typeset -i output

create_pool $TESTPOOL "$disk"

log_must zfs create -V $size $TESTPOOL/$TESTVOL

}

#

# Destroy the default zvol which was setup using

# default_zvol_setup().

#

function default_zvol_cleanup

{

if datasetexists $TESTPOOL/$TESTVOL ; then

log_must zfs destroy $TESTPOOL/$TESTVOL

fi

destroy_pool $TESTPOOL

}

function get_dumpdevice

{

typeset ret=$(dumpadm | grep "Dump device:" | awk '{print $3}')

echo $ret

}

function set_dumpsize

{

typeset volume=$1

if [[ -z $volume ]] ; then

log_note "No volume specified."

return 1

fi

log_must zfs set volsize=64m $volume

output=$(dumpadm -d /dev/zvol/dsk/$volume 2>&1 | \

tail -1 | awk '{print $3}')

if [[ -n $output ]]; then

(( output = output / 1024 / 1024 ))

(( output = output + output / 5 ))

log_must zfs set volsize=${output}m $volume

fi

return 0

}

function safe_dumpadm

{

typeset device=$1

if [[ -z $device || $device == "none" ]] ; then

log_note "No dump device volume specified."

return 1

fi

if [[ $device == "/dev/zvol/dsk/"* ]] ; then

typeset volume=${device#/dev/zvol/dsk/}

set_dumpsize $volume

log_must dumpadm -d $device

else

log_must swapadd

if ! is_swap_inuse $device ; then

log_must swap -a $device

fi

log_must dumpadm -d swap

fi

}

function is_zvol_dumpified

{

typeset volume=$1

if [[ -z $volume ]] ; then

log_note "No volume specified."

return 1

fi

zdb -dddd $volume 2 | grep "dumpsize" > /dev/null 2>&1

return $?

}

function is_swap_inuse

{

typeset device=$1

if [[ -z $device ]] ; then

log_note "No device specified."

return 1

fi

swap -l | grep -w $device > /dev/null 2>&1

return $?

}