xref: /freebsd/usr.sbin/bsdinstall/scripts/zfsboot (revision d9f0ce31900a48d1a2bfc1c8c86f79d1e831451a)
1#!/bin/sh
2#-
3# Copyright (c) 2013-2015 Allan Jude
4# Copyright (c) 2013-2015 Devin Teske
5# All rights reserved.
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1. Redistributions of source code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12# 2. Redistributions in binary form must reproduce the above copyright
13#    notice, this list of conditions and the following disclaimer in the
14#    documentation and/or other materials provided with the distribution.
15#
16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26# SUCH DAMAGE.
27#
28# $FreeBSD$
29#
30############################################################ INCLUDES
31
32BSDCFG_SHARE="/usr/share/bsdconfig"
33. $BSDCFG_SHARE/common.subr || exit 1
34f_dprintf "%s: loading includes..." "$0"
35f_include $BSDCFG_SHARE/device.subr
36f_include $BSDCFG_SHARE/dialog.subr
37f_include $BSDCFG_SHARE/password/password.subr
38f_include $BSDCFG_SHARE/variable.subr
39
40############################################################ CONFIGURATION
41
42#
43# Default name of the boot-pool
44#
45: ${ZFSBOOT_POOL_NAME:=zroot}
46
47#
48# Default options to use when creating zroot pool
49#
50: ${ZFSBOOT_POOL_CREATE_OPTIONS:=-O compress=lz4 -O atime=off}
51
52#
53# Default name for the boot environment parent dataset
54#
55: ${ZFSBOOT_BEROOT_NAME:=ROOT}
56
57#
58# Default name for the primany boot environment
59#
60: ${ZFSBOOT_BOOTFS_NAME:=default}
61
62#
63# Default Virtual Device (vdev) type to create
64#
65: ${ZFSBOOT_VDEV_TYPE:=stripe}
66
67#
68# Should we use sysctl(8) vfs.zfs.min_auto_ashift=12 to force 4K sectors?
69#
70: ${ZFSBOOT_FORCE_4K_SECTORS:=1}
71
72#
73# Should we use geli(8) to encrypt the drives?
74# NB: Automatically enables ZFSBOOT_BOOT_POOL
75#
76: ${ZFSBOOT_GELI_ENCRYPTION=}
77
78#
79# Default path to the geli(8) keyfile used in drive encryption
80#
81: ${ZFSBOOT_GELI_KEY_FILE:=/boot/encryption.key}
82
83#
84# Create a separate boot pool?
85# NB: Automatically set when using geli(8) or MBR
86#
87: ${ZFSBOOT_BOOT_POOL=}
88
89#
90# Options to use when creating separate boot pool (if any)
91#
92: ${ZFSBOOT_BOOT_POOL_CREATE_OPTIONS:=}
93
94#
95# Default name for boot pool when enabled (e.g., geli(8) or MBR)
96#
97: ${ZFSBOOT_BOOT_POOL_NAME:=bootpool}
98
99#
100# Default size for boot pool when enabled (e.g., geli(8) or MBR)
101#
102: ${ZFSBOOT_BOOT_POOL_SIZE:=2g}
103
104#
105# Default disks to use (always empty unless being scripted)
106#
107: ${ZFSBOOT_DISKS:=}
108
109#
110# Default partitioning scheme to use on disks
111#
112: ${ZFSBOOT_PARTITION_SCHEME:=}
113
114#
115# Default partitioning scheme to use on disks
116#
117: ${ZFSBOOT_BOOT_TYPE:=}
118
119#
120# How much swap to put on each block device in the boot zpool
121# NOTE: Value passed to gpart(8); which supports SI unit suffixes.
122#
123: ${ZFSBOOT_SWAP_SIZE:=2g}
124
125#
126# Should we use geli(8) to encrypt the swap?
127#
128: ${ZFSBOOT_SWAP_ENCRYPTION=}
129
130#
131# Should we use gmirror(8) to mirror the swap?
132#
133: ${ZFSBOOT_SWAP_MIRROR=}
134
135#
136# Default ZFS datasets for root zpool
137#
138# NOTE: Requires /tmp, /var/tmp, /$ZFSBOOT_BOOTFS_NAME/$ZFSBOOT_BOOTFS_NAME
139# NOTE: Anything after pound/hash character [#] is ignored as a comment.
140#
141f_isset ZFSBOOT_DATASETS || ZFSBOOT_DATASETS="
142	# DATASET	OPTIONS (comma or space separated; or both)
143
144	# Boot Environment [BE] root and default boot dataset
145	/$ZFSBOOT_BEROOT_NAME				mountpoint=none
146	/$ZFSBOOT_BEROOT_NAME/$ZFSBOOT_BOOTFS_NAME	mountpoint=/
147
148	# Compress /tmp, allow exec but not setuid
149	/tmp		mountpoint=/tmp,exec=on,setuid=off
150
151	# Don't mount /usr so that 'base' files go to the BEROOT
152	/usr		mountpoint=/usr,canmount=off
153
154	# Home directories separated so they are common to all BEs
155	/usr/home	# NB: /home is a symlink to /usr/home
156
157	# Ports tree
158	/usr/ports	setuid=off
159
160	# Source tree (compressed)
161	/usr/src
162
163	# Create /var and friends
164	/var		mountpoint=/var,canmount=off
165	/var/audit	exec=off,setuid=off
166	/var/crash	exec=off,setuid=off
167	/var/log	exec=off,setuid=off
168	/var/mail	atime=on
169	/var/tmp	setuid=off
170" # END-QUOTE
171
172#
173# If interactive and the user has not explicitly chosen a vdev type or disks,
174# make the user confirm scripted/default choices when proceeding to install.
175#
176: ${ZFSBOOT_CONFIRM_LAYOUT:=1}
177
178############################################################ GLOBALS
179
180#
181# Format of a line in printf(1) syntax to add to fstab(5)
182#
183FSTAB_FMT="%s\t\t%s\t%s\t%s\t\t%s\t%s\n"
184
185#
186# Command strings for various tasks
187#
188CHMOD_MODE='chmod %s "%s"'
189DD_WITH_OPTIONS='dd if="%s" of="%s" %s'
190ECHO_APPEND='echo "%s" >> "%s"'
191GELI_ATTACH='geli attach -j - -k "%s" "%s"'
192GELI_DETACH_F='geli detach -f "%s"'
193GELI_PASSWORD_INIT='geli init -b -B "%s" -e %s -J - -K "%s" -l 256 -s 4096 "%s"'
194GPART_ADD_ALIGN='gpart add %s -t %s "%s"'
195GPART_ADD_ALIGN_INDEX='gpart add %s -i %s -t %s "%s"'
196GPART_ADD_ALIGN_INDEX_WITH_SIZE='gpart add %s -i %s -t %s -s %s "%s"'
197GPART_ADD_ALIGN_LABEL='gpart add %s -l %s -t %s "%s"'
198GPART_ADD_ALIGN_LABEL_WITH_SIZE='gpart add %s -l %s -t %s -s %s "%s"'
199GPART_BOOTCODE='gpart bootcode -b "%s" "%s"'
200GPART_BOOTCODE_PART='gpart bootcode -b "%s" -p "%s" -i %s "%s"'
201GPART_BOOTCODE_PARTONLY='gpart bootcode -p "%s" -i %s "%s"'
202GPART_CREATE='gpart create -s %s "%s"'
203GPART_DESTROY_F='gpart destroy -F "%s"'
204GPART_SET_ACTIVE='gpart set -a active -i %s "%s"'
205GPART_SET_LENOVOFIX='gpart set -a lenovofix "%s"'
206GPART_SET_PMBR_ACTIVE='gpart set -a active "%s"'
207GRAID_DELETE='graid delete "%s"'
208LN_SF='ln -sf "%s" "%s"'
209MKDIR_P='mkdir -p "%s"'
210MOUNT_TYPE='mount -t %s "%s" "%s"'
211PRINTF_CONF="printf '%s=\"%%s\"\\\n' %s >> \"%s\""
212PRINTF_FSTAB='printf "$FSTAB_FMT" "%s" "%s" "%s" "%s" "%s" "%s" >> "%s"'
213SHELL_TRUNCATE=':> "%s"'
214SWAP_GMIRROR_LABEL='gmirror label swap %s'
215SYSCTL_ZFS_MIN_ASHIFT_12='sysctl vfs.zfs.min_auto_ashift=12'
216UMOUNT='umount "%s"'
217ZFS_CREATE_WITH_OPTIONS='zfs create %s "%s"'
218ZFS_SET='zfs set "%s" "%s"'
219ZFS_UNMOUNT='zfs unmount "%s"'
220ZPOOL_CREATE_WITH_OPTIONS='zpool create %s "%s" %s %s'
221ZPOOL_DESTROY='zpool destroy "%s"'
222ZPOOL_EXPORT='zpool export "%s"'
223ZPOOL_IMPORT_WITH_OPTIONS='zpool import %s "%s"'
224ZPOOL_LABELCLEAR_F='zpool labelclear -f "%s"'
225ZPOOL_SET='zpool set %s "%s"'
226
227#
228# Strings that should be moved to an i18n file and loaded with f_include_lang()
229#
230hline_alnum_arrows_punc_tab_enter="Use alnum, arrows, punctuation, TAB or ENTER"
231hline_arrows_space_tab_enter="Use arrows, SPACE, TAB or ENTER"
232hline_arrows_tab_enter="Press arrows, TAB or ENTER"
233msg_an_unknown_error_occurred="An unknown error occurred"
234msg_back="Back"
235msg_cancel="Cancel"
236msg_change_selection="Change Selection"
237msg_configure_options="Configure Options:"
238msg_detailed_disk_info="gpart(8) show %s:\n%s\n\ncamcontrol(8) inquiry %s:\n%s\n\n\ncamcontrol(8) identify %s:\n%s\n"
239msg_disk_info="Disk Info"
240msg_disk_info_help="Get detailed information on disk device(s)"
241msg_disk_singular="disk"
242msg_disk_plural="disks"
243msg_encrypt_disks="Encrypt Disks?"
244msg_encrypt_disks_help="Use geli(8) to encrypt all data partitions"
245msg_error="Error"
246msg_force_4k_sectors="Force 4K Sectors?"
247msg_force_4k_sectors_help="Align partitions to 4K sector boundries and set vfs.zfs.min_auto_ashift=12"
248msg_freebsd_installer="FreeBSD Installer"
249msg_geli_password="Enter a strong passphrase, used to protect your encryption keys. You will be required to enter this passphrase each time the system is booted"
250msg_geli_setup="Initializing encryption on selected disks,\n this will take several seconds per disk"
251msg_install="Install"
252msg_install_desc="Proceed with Installation"
253msg_install_help="Create ZFS boot pool with displayed options"
254msg_invalid_boot_pool_size="Invalid boot pool size \`%s'"
255msg_invalid_disk_argument="Invalid disk argument \`%s'"
256msg_invalid_index_argument="Invalid index argument \`%s'"
257msg_invalid_swap_size="Invalid swap size \`%s'"
258msg_invalid_virtual_device_type="Invalid Virtual Device type \`%s'"
259msg_last_chance_are_you_sure="Last Chance! Are you sure you want to destroy\nthe current contents of the following disks:\n\n   %s"
260msg_last_chance_are_you_sure_color='\\ZrLast Chance!\\ZR Are you \\Z1sure\\Zn you want to \\Zr\\Z1destroy\\Zn\nthe current contents of the following disks:\n\n   %s'
261msg_mirror_desc="Mirror - n-Way Mirroring"
262msg_mirror_help="[2+ Disks] Mirroring provides the best performance, but the least storage"
263msg_missing_disk_arguments="missing disk arguments"
264msg_missing_one_or_more_scripted_disks="Missing one or more scripted disks!"
265msg_no="NO"
266msg_no_disks_present_to_configure="No disk(s) present to configure"
267msg_no_disks_selected="No disks selected."
268msg_not_enough_disks_selected="Not enough disks selected. (%u < %u minimum)"
269msg_null_disk_argument="NULL disk argument"
270msg_null_index_argument="NULL index argument"
271msg_null_poolname="NULL poolname"
272msg_ok="OK"
273msg_partition_scheme="Partition Scheme"
274msg_partition_scheme_help="Select partitioning scheme. GPT is recommended."
275msg_please_enter_a_name_for_your_zpool="Please enter a name for your zpool:"
276msg_please_enter_amount_of_swap_space="Please enter amount of swap space (SI-Unit suffixes\nrecommended; e.g., \`2g' for 2 Gigabytes):"
277msg_please_select_one_or_more_disks="Please select one or more disks to create a zpool:"
278msg_pool_name="Pool Name"
279msg_pool_name_cannot_be_empty="Pool name cannot be empty."
280msg_pool_name_help="Customize the name of the zpool to be created (Required)"
281msg_pool_type_disks="Pool Type/Disks:"
282msg_pool_type_disks_help="Choose type of ZFS Virtual Device and disks to use (Required)"
283msg_processing_selection="Processing selection..."
284msg_raidz1_desc="RAID-Z1 - Single Redundant RAID"
285msg_raidz1_help="[3+ Disks] Withstand failure of 1 disk. Recommended for: 3, 5 or 9 disks"
286msg_raidz2_desc="RAID-Z2 - Double Redundant RAID"
287msg_raidz2_help="[4+ Disks] Withstand failure of 2 disks. Recommended for: 4, 6 or 10 disks"
288msg_raidz3_desc="RAID-Z3 - Triple Redundant RAID"
289msg_raidz3_help="[5+ Disks] Withstand failure of 3 disks. Recommended for: 5, 7 or 11 disks"
290msg_rescan_devices="Rescan Devices"
291msg_rescan_devices_help="Scan for device changes"
292msg_select="Select"
293msg_select_a_disk_device="Select a disk device"
294msg_select_virtual_device_type="Select Virtual Device type:"
295msg_stripe_desc="Stripe - No Redundancy"
296msg_stripe_help="[1+ Disks] Striping provides maximum storage but no redundancy"
297msg_swap_encrypt="Encrypt Swap?"
298msg_swap_encrypt_help="Encrypt swap partitions with temporary keys, discarded on reboot"
299msg_swap_invalid="The selected swap size (%s) is invalid. Enter a number optionally followed by units. Example: 2G"
300msg_swap_mirror="Mirror Swap?"
301msg_swap_mirror_help="Mirror swap partitions for redundancy, breaks crash dumps"
302msg_swap_size="Swap Size"
303msg_swap_size_help="Customize how much swap space is allocated to each selected disk"
304msg_swap_toosmall="The selected swap size (%s) is to small. Please enter a value greater than 100MB or enter 0 for no swap"
305msg_these_disks_are_too_small="These disks are smaller than the amount of requested\nswap (%s) and/or geli(8) (%s) partitions, which would\ntake 100%% or more of each of the following selected disks:\n\n  %s\n\nRecommend changing partition size(s) and/or selecting a\ndifferent set of disks."
306msg_unable_to_get_disk_capacity="Unable to get disk capacity of \`%s'"
307msg_unsupported_partition_scheme="%s is an unsupported partition scheme"
308msg_user_cancelled="User Cancelled."
309msg_yes="YES"
310msg_zfs_configuration="ZFS Configuration"
311
312############################################################ FUNCTIONS
313
314# dialog_menu_main
315#
316# Display the dialog(1)-based application main menu.
317#
318dialog_menu_main()
319{
320	local title="$DIALOG_TITLE"
321	local btitle="$DIALOG_BACKTITLE"
322	local prompt="$msg_configure_options"
323	local force4k="$msg_no"
324	local usegeli="$msg_no"
325	local swapgeli="$msg_no"
326	local swapmirror="$msg_no"
327	[ "$ZFSBOOT_FORCE_4K_SECTORS" ] && force4k="$msg_yes"
328	[ "$ZFSBOOT_GELI_ENCRYPTION" ] && usegeli="$msg_yes"
329	[ "$ZFSBOOT_SWAP_ENCRYPTION" ] && swapgeli="$msg_yes"
330	[ "$ZFSBOOT_SWAP_MIRROR" ] && swapmirror="$msg_yes"
331	local disks n disks_grammar
332	f_count n $ZFSBOOT_DISKS
333	{ [ $n -eq 1 ] && disks_grammar=$msg_disk_singular; } ||
334		disks_grammar=$msg_disk_plural # grammar
335	local menu_list="
336		'>>> $msg_install'      '$msg_install_desc'
337		                        '$msg_install_help'
338		'T $msg_pool_type_disks'
339		                        '$ZFSBOOT_VDEV_TYPE: $n $disks_grammar'
340		                        '$msg_pool_type_disks_help'
341		'- $msg_rescan_devices' '*'
342		                        '$msg_rescan_devices_help'
343		'- $msg_disk_info'      '*'
344		                        '$msg_disk_info_help'
345		'N $msg_pool_name'      '$ZFSBOOT_POOL_NAME'
346		                        '$msg_pool_name_help'
347		'4 $msg_force_4k_sectors'
348		                        '$force4k'
349		                        '$msg_force_4k_sectors_help'
350		'E $msg_encrypt_disks'  '$usegeli'
351		                        '$msg_encrypt_disks_help'
352		'P $msg_partition_scheme'
353		                        '$ZFSBOOT_PARTITION_SCHEME ($ZFSBOOT_BOOT_TYPE)'
354		                        '$msg_partition_scheme_help'
355		'S $msg_swap_size'      '$ZFSBOOT_SWAP_SIZE'
356		                        '$msg_swap_size_help'
357		'M $msg_swap_mirror'    '$swapmirror'
358		                        '$msg_swap_mirror_help'
359		'W $msg_swap_encrypt'   '$swapgeli'
360		                        '$msg_swap_encrypt_help'
361	" # END-QUOTE
362	local defaultitem= # Calculated below
363	local hline="$hline_alnum_arrows_punc_tab_enter"
364
365	local height width rows
366	eval f_dialog_menu_with_help_size height width rows \
367		\"\$title\" \"\$btitle\" \"\$prompt\" \"\$hline\" $menu_list
368
369	# Obtain default-item from previously stored selection
370	f_dialog_default_fetch defaultitem
371
372	local menu_choice
373	menu_choice=$( eval $DIALOG \
374		--title \"\$title\"              \
375		--backtitle \"\$btitle\"         \
376		--hline \"\$hline\"              \
377		--item-help                      \
378		--ok-label \"\$msg_select\"      \
379		--cancel-label \"\$msg_cancel\"  \
380		--default-item \"\$defaultitem\" \
381		--menu \"\$prompt\"              \
382		$height $width $rows             \
383		$menu_list                       \
384		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
385	)
386	local retval=$?
387	f_dialog_data_sanitize menu_choice
388	f_dialog_menutag_store "$menu_choice"
389
390	# Only update default-item on success
391	[ $retval -eq $DIALOG_OK ] && f_dialog_default_store "$menu_choice"
392
393	return $retval
394}
395
396# dialog_last_chance $disks ...
397#
398# Display a list of the disks that the user is about to destroy. The default
399# action is to return error status unless the user explicitly (non-default)
400# selects "Yes" from the noyes dialog.
401#
402dialog_last_chance()
403{
404	local title="$DIALOG_TITLE"
405	local btitle="$DIALOG_BACKTITLE"
406	local prompt # Calculated below
407	local hline="$hline_arrows_tab_enter"
408
409	local height=8 width=50 prefix="   "
410	local plen=${#prefix} list= line=
411	local max_width=$(( $width - 3 - $plen ))
412
413	local yes no defaultno extra_args format
414	if [ "$USE_XDIALOG" ]; then
415		yes=ok no=cancel defaultno=default-no
416		extra_args="--wrap --left"
417		format="$msg_last_chance_are_you_sure"
418	else
419		yes=yes no=no defaultno=defaultno
420		extra_args="--colors --cr-wrap"
421		format="$msg_last_chance_are_you_sure_color"
422	fi
423
424	local disk line_width
425	for disk in $*; do
426		if [ "$line" ]; then
427			line_width=${#line}
428		else
429			line_width=$plen
430		fi
431		line_width=$(( $line_width + 1 + ${#disk} ))
432		# Add newline before disk if it would exceed max_width
433		if [ $line_width -gt $max_width ]; then
434			list="$list$line\n"
435			line="$prefix"
436			height=$(( $height + 1 ))
437		fi
438		# Add the disk to the list
439		line="$line $disk"
440	done
441	# Append the left-overs
442	if [ "${line#$prefix}" ]; then
443		list="$list$line"
444		height=$(( $height + 1 ))
445	fi
446
447	# Add height for Xdialog(1)
448	[ "$USE_XDIALOG" ] && height=$(( $height + $height / 5 + 3 ))
449
450	prompt=$( printf "$format" "$list" )
451	f_dprintf "%s: Last Chance!" "$0"
452	$DIALOG \
453		--title "$title"        \
454		--backtitle "$btitle"   \
455		--hline "$hline"        \
456		--$defaultno            \
457		--$yes-label "$msg_yes" \
458		--$no-label "$msg_no"   \
459		$extra_args             \
460		--yesno "$prompt" $height $width
461}
462
463# dialog_menu_layout
464#
465# Configure Virtual Device type and disks to use for the ZFS boot pool. User
466# must select enough disks to satisfy the chosen vdev type.
467#
468dialog_menu_layout()
469{
470	local funcname=dialog_menu_layout
471	local title="$DIALOG_TITLE"
472	local btitle="$DIALOG_BACKTITLE"
473	local vdev_prompt="$msg_select_virtual_device_type"
474	local disk_prompt="$msg_please_select_one_or_more_disks"
475	local vdev_menu_list="
476		'stripe' '$msg_stripe_desc' '$msg_stripe_help'
477		'mirror' '$msg_mirror_desc' '$msg_mirror_help'
478		'raidz1' '$msg_raidz1_desc' '$msg_raidz1_help'
479		'raidz2' '$msg_raidz2_desc' '$msg_raidz2_help'
480		'raidz3' '$msg_raidz3_desc' '$msg_raidz3_help'
481	" # END-QUOTE
482	local disk_check_list= # Calculated below
483	local vdev_hline="$hline_arrows_tab_enter"
484	local disk_hline="$hline_arrows_space_tab_enter"
485
486	# Warn the user if vdev type is not valid
487	case "$ZFSBOOT_VDEV_TYPE" in
488	stripe|mirror|raidz1|raidz2|raidz3) : known good ;;
489	*)
490		f_dprintf "%s: Invalid virtual device type \`%s'" \
491			  $funcname "$ZFSBOOT_VDEV_TYPE"
492		f_show_err "$msg_invalid_virtual_device_type" \
493			   "$ZFSBOOT_VDEV_TYPE"
494		f_interactive || return $FAILURE
495	esac
496
497	# Calculate size of vdev menu once only
498	local vheight vwidth vrows
499	eval f_dialog_menu_with_help_size vheight vwidth vrows \
500		\"\$title\" \"\$btitle\" \"\$vdev_prompt\" \"\$vdev_hline\" \
501		$vdev_menu_list
502
503	# Get a list of probed disk devices
504	local disks=
505	debug= f_device_find "" $DEVICE_TYPE_DISK disks
506
507	# Prune out mounted md(4) devices that may be part of the boot process
508	local disk name new_list=
509	for disk in $disks; do
510		debug= $disk get name name
511		case "$name" in
512		md[0-9]*) f_mounted -b "/dev/$name" && continue ;;
513		esac
514		new_list="$new_list $disk"
515	done
516	disks="${new_list# }"
517
518	# Debugging
519	if [ "$debug" ]; then
520		local disk_names=
521		for disk in $disks; do
522			debug= $disk get name name
523			disk_names="$disk_names $name"
524		done
525		f_dprintf "$funcname: disks=[%s]" "${disk_names# }"
526	fi
527
528	if [ ! "$disks" ]; then
529		f_dprintf "No disk(s) present to configure"
530		f_show_err "$msg_no_disks_present_to_configure"
531		return $FAILURE
532	fi
533
534	# Lets sort the disks array to be more user friendly
535	f_device_sort_by name disks disks
536
537	#
538	# Operate in a loop so we can (if interactive) repeat if not enough
539	# disks are selected to satisfy the chosen vdev type or user wants to
540	# back-up to the previous menu.
541	#
542	local vardisk ndisks onoff selections vdev_choice breakout device
543	local valid_disks all_valid want_disks desc height width rows
544	while :; do
545		#
546		# Confirm the vdev type that was selected
547		#
548		if f_interactive && [ "$ZFSBOOT_CONFIRM_LAYOUT" ]; then
549			vdev_choice=$( eval $DIALOG \
550				--title \"\$title\"              \
551				--backtitle \"\$btitle\"         \
552				--hline \"\$vdev_hline\"         \
553				--ok-label \"\$msg_ok\"          \
554				--cancel-label \"\$msg_cancel\"  \
555				--item-help                      \
556				--default-item \"\$ZFSBOOT_VDEV_TYPE\" \
557				--menu \"\$vdev_prompt\"         \
558				$vheight $vwidth $vrows          \
559				$vdev_menu_list                  \
560				2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
561			) || return $?
562				# Exit if user pressed ESC or chose Cancel/No
563			f_dialog_data_sanitize vdev_choice
564
565			ZFSBOOT_VDEV_TYPE="$vdev_choice"
566			f_dprintf "$funcname: ZFSBOOT_VDEV_TYPE=[%s]" \
567			          "$ZFSBOOT_VDEV_TYPE"
568		fi
569
570		# Determine the number of disks needed for this vdev type
571		want_disks=0
572		case "$ZFSBOOT_VDEV_TYPE" in
573		stripe) want_disks=1 ;;
574		mirror) want_disks=2 ;;
575		raidz1) want_disks=3 ;;
576		raidz2) want_disks=4 ;;
577		raidz3) want_disks=5 ;;
578		esac
579
580		#
581		# Warn the user if any scripted disks are invalid
582		#
583		valid_disks= all_valid=${ZFSBOOT_DISKS:+1} # optimism
584		for disk in $ZFSBOOT_DISKS; do
585			if debug= f_device_find -1 \
586				$disk $DEVICE_TYPE_DISK device
587			then
588				valid_disks="$valid_disks $disk"
589				continue
590			fi
591			f_dprintf "$funcname: \`%s' is not a real disk" "$disk"
592			all_valid=
593		done
594		if [ ! "$all_valid" ]; then
595			if [ "$ZFSBOOT_DISKS" ]; then
596				f_show_err \
597				    "$msg_missing_one_or_more_scripted_disks"
598			else
599				f_dprintf "No disks selected."
600				f_interactive ||
601					f_show_err "$msg_no_disks_selected"
602			fi
603			f_interactive || return $FAILURE
604		fi
605		ZFSBOOT_DISKS="${valid_disks# }"
606
607		#
608		# Short-circuit if we're running non-interactively
609		#
610		if ! f_interactive || [ ! "$ZFSBOOT_CONFIRM_LAYOUT" ]; then
611			f_count ndisks $ZFSBOOT_DISKS
612			[ $ndisks -ge $want_disks ] && break # to success
613
614			# Not enough disks selected
615			f_dprintf "$funcname: %s: %s (%u < %u minimum)" \
616				  "$ZFSBOOT_VDEV_TYPE" \
617			          "Not enough disks selected." \
618				  $ndisks $want_disks
619			f_interactive || return $FAILURE
620			msg_yes="$msg_change_selection" msg_no="$msg_cancel" \
621				f_yesno "%s: $msg_not_enough_disks_selected" \
622				"$ZFSBOOT_VDEV_TYPE" $ndisks $want_disks ||
623				return $FAILURE
624		fi
625
626		#
627		# Confirm the disks that were selected
628		# Loop until the user cancels or selects enough disks
629		#
630		breakout=
631		while :; do
632			# Loop over list of available disks, resetting state
633			for disk in $disks; do
634				f_isset _${disk}_status && _${disk}_status=
635			done
636
637			# Loop over list of selected disks and create temporary
638			# locals to map statuses onto up-to-date list of disks
639			for disk in $ZFSBOOT_DISKS; do
640				debug= f_device_find -1 \
641					$disk $DEVICE_TYPE_DISK disk
642				f_isset _${disk}_status ||
643					local _${disk}_status
644				_${disk}_status=on
645			done
646
647			# Create the checklist menu of discovered disk devices
648			disk_check_list=
649			for disk in $disks; do
650				desc=
651				$disk get name name
652				$disk get desc desc
653				f_shell_escape "$desc" desc
654				f_getvar _${disk}_status:-off onoff
655				disk_check_list="$disk_check_list
656					$name '$desc' $onoff"
657			done
658
659			eval f_dialog_checklist_size height width rows \
660				\"\$title\" \"\$btitle\" \"\$prompt\" \
661				\"\$hline\" $disk_check_list
662
663			selections=$( eval $DIALOG \
664				--title \"\$DIALOG_TITLE\"         \
665				--backtitle \"\$DIALOG_BACKTITLE\" \
666				--separate-output                  \
667				--hline \"\$hline\"                \
668				--ok-label \"\$msg_ok\"            \
669				--cancel-label \"\$msg_back\"      \
670				--checklist \"\$prompt\"           \
671				$height $width $rows               \
672				$disk_check_list                   \
673				2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
674			) || break
675				# Loop if user pressed ESC or chose Cancel/No
676			f_dialog_data_sanitize selections
677
678			ZFSBOOT_DISKS="$selections"
679			f_dprintf "$funcname: ZFSBOOT_DISKS=[%s]" \
680			          "$ZFSBOOT_DISKS"
681
682			f_count ndisks $ZFSBOOT_DISKS
683			[ $ndisks -ge $want_disks ] &&
684				breakout=break && break
685
686			# Not enough disks selected
687			f_dprintf "$funcname: %s: %s (%u < %u minimum)" \
688				  "$ZFSBOOT_VDEV_TYPE" \
689			          "Not enough disks selected." \
690			          $ndisks $want_disks
691			msg_yes="$msg_change_selection" msg_no="$msg_cancel" \
692				f_yesno "%s: $msg_not_enough_disks_selected" \
693				"$ZFSBOOT_VDEV_TYPE" $ndisks $want_disks ||
694				break
695		done
696		[ "$breakout" = "break" ] && break
697		[ "$ZFSBOOT_CONFIRM_LAYOUT" ] || return $FAILURE
698	done
699
700	return $DIALOG_OK
701}
702
703# zfs_create_diskpart $disk $index
704#
705# For each block device to be used in the zpool, rather than just create the
706# zpool with the raw block devices (e.g., da0, da1, etc.) we create partitions
707# so we can have some real swap. This also provides wiggle room incase your
708# replacement drivers do not have the exact same sector counts.
709#
710# NOTE: $swapsize and $bootsize should be defined by the calling function.
711# NOTE: Sets $bootpart and $targetpart for the calling function.
712#
713zfs_create_diskpart()
714{
715	local funcname=zfs_create_diskpart
716	local disk="$1" index="$2"
717
718	# Check arguments
719	if [ ! "$disk" ]; then
720		f_dprintf "$funcname: NULL disk argument"
721		msg_error="$msg_error: $funcname" \
722			f_show_err "$msg_null_disk_argument"
723		return $FAILURE
724	fi
725	if [ "${disk#*[$IFS]}" != "$disk" ]; then
726		f_dprintf "$funcname: Invalid disk argument \`%s'" "$disk"
727		msg_error="$msg_error: $funcname" \
728			f_show_err "$msg_invalid_disk_argument" "$disk"
729		return $FAILURE
730	fi
731	if [ ! "$index" ]; then
732		f_dprintf "$funcname: NULL index argument"
733		msg_error="$msg_error: $funcname" \
734			f_show_err "$msg_null_index_argument"
735		return $FAILURE
736	fi
737	if ! f_isinteger "$index"; then
738		f_dprintf "$funcname: Invalid index argument \`%s'" "$index"
739		msg_error="$msg_error: $funcname" \
740			f_show_err "$msg_invalid_index_argument" "$index"
741		return $FAILURE
742	fi
743	f_dprintf "$funcname: disk=[%s] index=[%s]" "$disk" "$index"
744
745	# Check for unknown partition scheme before proceeding further
746	case "$ZFSBOOT_PARTITION_SCHEME" in
747	""|MBR|GPT*) : known good ;;
748	*)
749		f_dprintf "$funcname: %s is an unsupported partition scheme" \
750		          "$ZFSBOOT_PARTITION_SCHEME"
751		msg_error="$msg_error: $funcname" f_show_err \
752			"$msg_unsupported_partition_scheme" \
753			"$ZFSBOOT_PARTITION_SCHEME"
754		return $FAILURE
755	esac
756
757	#
758	# Destroy whatever partition layout is currently on disk.
759	# NOTE: `-F' required to destroy if partitions still exist.
760	# NOTE: Failure is ok here, blank disk will have nothing to destroy.
761	#
762	f_dprintf "$funcname: Destroying all data/layouts on \`%s'..." "$disk"
763	f_eval_catch -d $funcname gpart "$GPART_DESTROY_F" $disk
764	f_eval_catch -d $funcname graid "$GRAID_DELETE" $disk
765	f_eval_catch -d $funcname zpool "$ZPOOL_LABELCLEAR_F" /dev/$disk
766
767	# Make doubly-sure backup GPT is destroyed
768	f_eval_catch -d $funcname gpart "$GPART_CREATE" gpt $disk
769	f_eval_catch -d $funcname gpart "$GPART_DESTROY_F" $disk
770
771	#
772	# Enable boot pool if encryption is desired
773	#
774	[ "$ZFSBOOT_GELI_ENCRYPTION" ] && ZFSBOOT_BOOT_POOL=1
775
776	#
777	# Lay down the desired type of partition scheme
778	#
779	local setsize mbrindex align_small align_big
780	#
781	# If user has requested 4 K alignment, add these params to the
782	# gpart add calls. With GPT, we align large partitions to 1 M for
783	# improved performance on SSDs. MBR does not always play well with gaps
784	# between partitions, so all alignment is only 4k for that case.
785	# With MBR, we align the BSD partition that contains the MBR, otherwise
786	# the system fails to boot.
787	#
788	if [ "$ZFSBOOT_FORCE_4K_SECTORS" ]; then
789		align_small="-a 4k"
790		align_big="-a 1m"
791		sysctl kern.geom.part.mbr.enforce_chs=0
792	fi
793
794	case "$ZFSBOOT_PARTITION_SCHEME" in
795	""|GPT*) f_dprintf "$funcname: Creating GPT layout..."
796		#
797		# 1. Create GPT layout using labels
798		#
799		f_eval_catch $funcname gpart "$GPART_CREATE" gpt $disk ||
800		             return $FAILURE
801
802		#
803		# Apply workarounds if requested by the user
804		#
805		if [ "$ZFSBOOT_PARTITION_SCHEME" = "GPT + Lenovo Fix" ]; then
806			f_eval_catch $funcname gpart "$GPART_SET_LENOVOFIX" \
807			             $disk || return $FAILURE
808		elif [ "$ZFSBOOT_PARTITION_SCHEME" = "GPT + Active" ]; then
809			f_eval_catch $funcname gpart "$GPART_SET_PMBR_ACTIVE" \
810			             $disk || return $FAILURE
811		fi
812
813		#
814		# 2. Add small freebsd-boot or efi partition
815		#
816		if [ "$ZFSBOOT_BOOT_TYPE" = "UEFI" ]; then
817			f_eval_catch $funcname gpart \
818			             "$GPART_ADD_ALIGN_LABEL_WITH_SIZE" \
819			             "$align_small" efiboot$index efi 800k $disk ||
820			             return $FAILURE
821			f_eval_catch $funcname gpart "$GPART_BOOTCODE_PARTONLY" \
822			             /boot/boot1.efifat 1 $disk ||
823			             return $FAILURE
824		else
825			f_eval_catch $funcname gpart \
826			             "$GPART_ADD_ALIGN_LABEL_WITH_SIZE" \
827			             "$align_small" gptboot$index freebsd-boot \
828			             512k $disk || return $FAILURE
829			f_eval_catch $funcname gpart "$GPART_BOOTCODE_PART" \
830			             /boot/pmbr /boot/gptzfsboot 1 $disk ||
831			             return $FAILURE
832		fi
833
834		# NB: zpool will use the `zfs#' GPT labels
835		bootpart=p2 swappart=p2 targetpart=p2
836		[ ${swapsize:-0} -gt 0 ] && targetpart=p3
837
838		#
839		# Prepare boot pool if enabled (e.g., for geli(8))
840		#
841		if [ "$ZFSBOOT_BOOT_POOL" ]; then
842			bootpart=p2 swappart=p3 targetpart=p3
843			[ ${swapsize:-0} -gt 0 ] && targetpart=p4
844			f_eval_catch $funcname gpart \
845			             "$GPART_ADD_ALIGN_LABEL_WITH_SIZE" \
846			             "$align_big" boot$index freebsd-zfs \
847			             ${bootsize}b $disk ||
848			             return $FAILURE
849			# Pedantically nuke any old labels
850			f_eval_catch -d $funcname zpool "$ZPOOL_LABELCLEAR_F" \
851			                /dev/$disk$bootpart
852			if [ "$ZFSBOOT_GELI_ENCRYPTION" ]; then
853				# Pedantically detach targetpart for later
854				f_eval_catch -d $funcname geli \
855				                "$GELI_DETACH_F" \
856				                /dev/$disk$targetpart
857			fi
858		fi
859
860		#
861		# 3. Add freebsd-swap partition labeled `swap#'
862		#
863		if [ ${swapsize:-0} -gt 0 ]; then
864			f_eval_catch $funcname gpart \
865			             "$GPART_ADD_ALIGN_LABEL_WITH_SIZE" \
866			             "$align_big" swap$index freebsd-swap \
867			             ${swapsize}b $disk ||
868			             return $FAILURE
869			# Pedantically nuke any old labels on the swap
870			f_eval_catch -d $funcname zpool "$ZPOOL_LABELCLEAR_F" \
871			                /dev/$disk$swappart
872		fi
873
874		#
875		# 4. Add freebsd-zfs partition labeled `zfs#' for zroot
876		#
877		f_eval_catch $funcname gpart "$GPART_ADD_ALIGN_LABEL" \
878		             "$align_big" zfs$index freebsd-zfs $disk ||
879		             return $FAILURE
880		f_eval_catch -d $funcname zpool "$ZPOOL_LABELCLEAR_F" \
881		                /dev/$disk$targetpart
882		;;
883
884	MBR) f_dprintf "$funcname: Creating MBR layout..."
885		#
886		# 1. Create MBR layout (no labels)
887		#
888		f_eval_catch $funcname gpart "$GPART_CREATE" mbr $disk ||
889		             return $FAILURE
890		f_eval_catch $funcname gpart "$GPART_BOOTCODE" /boot/mbr \
891		             $disk || return $FAILURE
892
893		#
894		# 2. Add freebsd slice with all available space
895		#
896		f_eval_catch $funcname gpart "$GPART_ADD_ALIGN" "$align_small" \
897		             freebsd $disk ||
898		             return $FAILURE
899		f_eval_catch $funcname gpart "$GPART_SET_ACTIVE" 1 $disk ||
900		             return $FAILURE
901		# Pedantically nuke any old labels
902		f_eval_catch -d $funcname zpool "$ZPOOL_LABELCLEAR_F" \
903		                /dev/${disk}s1
904		# Pedantically nuke any old scheme
905		f_eval_catch -d $funcname gpart "$GPART_DESTROY_F" ${disk}s1
906
907		#
908		# 3. Write BSD scheme to the freebsd slice
909		#
910		f_eval_catch $funcname gpart "$GPART_CREATE" BSD ${disk}s1 ||
911		             return $FAILURE
912
913		# NB: zpool will use s1a (no labels)
914		bootpart=s1a swappart=s1b targetpart=s1d mbrindex=4
915
916		#
917		# Always prepare a boot pool on MBR
918		# Do not align this partition, there must not be a gap
919		#
920		ZFSBOOT_BOOT_POOL=1
921		f_eval_catch $funcname gpart \
922		             "$GPART_ADD_ALIGN_INDEX_WITH_SIZE" \
923		             "" 1 freebsd-zfs ${bootsize}b ${disk}s1 ||
924		             return $FAILURE
925		# Pedantically nuke any old labels
926		f_eval_catch -d $funcname zpool "$ZPOOL_LABELCLEAR_F" \
927		                /dev/$disk$bootpart
928		if [ "$ZFSBOOT_GELI_ENCRYPTION" ]; then
929			# Pedantically detach targetpart for later
930			f_eval_catch -d $funcname geli \
931			                "$GELI_DETACH_F" \
932					/dev/$disk$targetpart
933		fi
934
935		#
936		# 4. Add freebsd-swap partition
937		#
938		if [ ${swapsize:-0} -gt 0 ]; then
939			f_eval_catch $funcname gpart \
940			             "$GPART_ADD_ALIGN_INDEX_WITH_SIZE" \
941			             "$align_small" 2 freebsd-swap ${swapsize}b ${disk}s1 ||
942			             return $FAILURE
943			# Pedantically nuke any old labels on the swap
944			f_eval_catch -d $funcname zpool "$ZPOOL_LABELCLEAR_F" \
945			                /dev/${disk}s1b
946		fi
947
948		#
949		# 5. Add freebsd-zfs partition for zroot
950		#
951		f_eval_catch $funcname gpart "$GPART_ADD_ALIGN_INDEX" \
952		             "$align_small" $mbrindex freebsd-zfs ${disk}s1 || return $FAILURE
953		f_eval_catch -d $funcname zpool "$ZPOOL_LABELCLEAR_F" \
954		                /dev/$disk$targetpart # Pedantic
955		f_eval_catch $funcname dd "$DD_WITH_OPTIONS" \
956		             /boot/zfsboot /dev/${disk}s1 count=1 ||
957		             return $FAILURE
958		;;
959
960	esac # $ZFSBOOT_PARTITION_SCHEME
961
962	# Update fstab(5)
963	local swapsize
964	f_expand_number "$ZFSBOOT_SWAP_SIZE" swapsize
965	if [ "$isswapmirror" ]; then
966		# This is not the first disk in the mirror, do nothing
967	elif [ ${swapsize:-0} -eq 0 ]; then
968		# If swap is 0 sized, don't add it to fstab
969	elif [ "$ZFSBOOT_SWAP_ENCRYPTION" -a "$ZFSBOOT_SWAP_MIRROR" ]; then
970		f_eval_catch $funcname printf "$PRINTF_FSTAB" \
971		             /dev/mirror/swap.eli none swap sw 0 0 \
972		             $BSDINSTALL_TMPETC/fstab ||
973		             return $FAILURE
974		isswapmirror=1
975	elif [ "$ZFSBOOT_SWAP_MIRROR" ]; then
976		f_eval_catch $funcname printf "$PRINTF_FSTAB" \
977		             /dev/mirror/swap none swap sw 0 0 \
978		             $BSDINSTALL_TMPETC/fstab ||
979		             return $FAILURE
980		isswapmirror=1
981	elif [ "$ZFSBOOT_SWAP_ENCRYPTION" ]; then
982		f_eval_catch $funcname printf "$PRINTF_FSTAB" \
983		             /dev/$disk${swappart}.eli none swap sw 0 0 \
984		             $BSDINSTALL_TMPETC/fstab ||
985		             return $FAILURE
986	else
987		f_eval_catch $funcname printf "$PRINTF_FSTAB" \
988		             /dev/$disk$swappart none swap sw 0 0 \
989		             $BSDINSTALL_TMPETC/fstab ||
990		             return $FAILURE
991	fi
992
993	return $SUCCESS
994}
995
996# zfs_create_boot $poolname $vdev_type $disks ...
997#
998# Creates boot pool and dataset layout. Returns error if something goes wrong.
999# Errors are printed to stderr for collection and display.
1000#
1001zfs_create_boot()
1002{
1003	local funcname=zfs_create_boot
1004	local zroot_name="$1"
1005	local zroot_vdevtype="$2"
1006	local zroot_vdevs= # Calculated below
1007	local swap_devs= # Calculated below
1008	local boot_vdevs= # Used for geli(8) and/or MBR layouts
1009	shift 2 # poolname vdev_type
1010	local disks="$*" disk
1011	local isswapmirror
1012	local bootpart targetpart swappart # Set by zfs_create_diskpart() below
1013	local create_options
1014
1015	#
1016	# Pedantic checks; should never be seen
1017	#
1018	if [ ! "$zroot_name" ]; then
1019		f_dprintf "$funcname: NULL poolname"
1020		msg_error="$msg_error: $funcname" \
1021			f_show_err "$msg_null_poolname"
1022		return $FAILURE
1023	fi
1024	if [ $# -lt 1 ]; then
1025		f_dprintf "$funcname: missing disk arguments"
1026		msg_error="$msg_error: $funcname" \
1027			f_show_err "$msg_missing_disk_arguments"
1028		return $FAILURE
1029	fi
1030	f_dprintf "$funcname: poolname=[%s] vdev_type=[%s]" \
1031	          "$zroot_name" "$zroot_vdevtype"
1032
1033	#
1034	# Initialize fstab(5)
1035	#
1036	f_dprintf "$funcname: Initializing temporary fstab(5) file..."
1037	f_eval_catch $funcname sh "$SHELL_TRUNCATE" $BSDINSTALL_TMPETC/fstab ||
1038	             return $FAILURE
1039	f_eval_catch $funcname printf "$PRINTF_FSTAB" \
1040	             "# Device" Mountpoint FStype Options Dump "Pass#" \
1041	             $BSDINSTALL_TMPETC/fstab || return $FAILURE
1042
1043	#
1044	# Expand SI units in desired sizes
1045	#
1046	f_dprintf "$funcname: Expanding supplied size values..."
1047	local swapsize bootsize
1048	if ! f_expand_number "$ZFSBOOT_SWAP_SIZE" swapsize; then
1049		f_dprintf "$funcname: Invalid swap size \`%s'" \
1050		          "$ZFSBOOT_SWAP_SIZE"
1051		f_show_err "$msg_invalid_swap_size" "$ZFSBOOT_SWAP_SIZE"
1052		return $FAILURE
1053	fi
1054	if ! f_expand_number "$ZFSBOOT_BOOT_POOL_SIZE" bootsize; then
1055		f_dprintf "$funcname: Invalid boot pool size \`%s'" \
1056		          "$ZFSBOOT_BOOT_POOL_SIZE"
1057		f_show_err "$msg_invalid_boot_pool_size" \
1058		           "$ZFSBOOT_BOOT_POOL_SIZE"
1059		return $FAILURE
1060	fi
1061	f_dprintf "$funcname: ZFSBOOT_SWAP_SIZE=[%s] swapsize=[%s]" \
1062	          "$ZFSBOOT_SWAP_SIZE" "$swapsize"
1063	f_dprintf "$funcname: ZFSBOOT_BOOT_POOL_SIZE=[%s] bootsize=[%s]" \
1064	          "$ZFSBOOT_BOOT_POOL_SIZE" "$bootsize"
1065
1066	#
1067	# Destroy the pool in-case this is our second time 'round (case of
1068	# failure and installer presented ``Retry'' option to come back).
1069	#
1070	# NB: If we don't destroy the pool, later gpart(8) destroy commands
1071	# that try to clear existing partitions (see zfs_create_diskpart())
1072	# will fail with a `Device Busy' error, leading to `GEOM exists'.
1073	#
1074	f_eval_catch -d $funcname zpool "$ZPOOL_DESTROY" "$zroot_name"
1075
1076	#
1077	# Prepare the disks and build pool device list(s)
1078	#
1079	f_dprintf "$funcname: Preparing disk partitions for ZFS pool..."
1080
1081	# Force 4K sectors using vfs.zfs.min_auto_ashift=12
1082	if [ "$ZFSBOOT_FORCE_4K_SECTORS" ]; then
1083		f_dprintf "$funcname: With 4K sectors..."
1084		f_eval_catch $funcname sysctl "$SYSCTL_ZFS_MIN_ASHIFT_12" \
1085		    || return $FAILURE
1086	fi
1087	local n=0
1088	for disk in $disks; do
1089		zfs_create_diskpart $disk $n || return $FAILURE
1090		# Now $bootpart, $targetpart, and $swappart are set (suffix
1091		# for $disk)
1092		if [ "$ZFSBOOT_BOOT_POOL" ]; then
1093			boot_vdevs="$boot_vdevs $disk$bootpart"
1094		fi
1095		zroot_vdevs="$zroot_vdevs $disk$targetpart"
1096		if [ "$ZFSBOOT_GELI_ENCRYPTION" ]; then
1097			zroot_vdevs="$zroot_vdevs.eli"
1098		fi
1099
1100		n=$(( $n + 1 ))
1101	done # disks
1102
1103	#
1104	# If we need/want a boot pool, create it
1105	#
1106	if [ "$ZFSBOOT_BOOT_POOL" ]; then
1107		local bootpool_vdevtype= # Calculated below
1108		local bootpool_options= # Calculated below
1109		local bootpool_name="$ZFSBOOT_BOOT_POOL_NAME"
1110		local bootpool="$BSDINSTALL_CHROOT/$bootpool_name"
1111		local zroot_key="${ZFSBOOT_GELI_KEY_FILE#/}"
1112
1113		f_dprintf "$funcname: Setting up boot pool..."
1114		[ "$ZFSBOOT_GELI_ENCRYPTION" ] &&
1115			f_dprintf "$funcname: For encrypted root disk..."
1116
1117		# Create parent directory for boot pool
1118		f_eval_catch -d $funcname umount "$UMOUNT" /mnt
1119		f_eval_catch $funcname mount "$MOUNT_TYPE" tmpfs none \
1120		             $BSDINSTALL_CHROOT || return $FAILURE
1121
1122		# Create mirror across the boot partition on all disks
1123		local nvdevs
1124		f_count nvdevs $boot_vdevs
1125		[ $nvdevs -gt 1 ] && bootpool_vdevtype=mirror
1126
1127		create_options="$ZFSBOOT_BOOT_POOL_CREATE_OPTIONS"
1128		bootpool_options="-o altroot=$BSDINSTALL_CHROOT"
1129		bootpool_options="$bootpool_options $create_options"
1130		bootpool_options="$bootpool_options -m \"/$bootpool_name\" -f"
1131		f_eval_catch $funcname zpool "$ZPOOL_CREATE_WITH_OPTIONS" \
1132		             "$bootpool_options" "$bootpool_name" \
1133		             "$bootpool_vdevtype" "$boot_vdevs" ||
1134		             return $FAILURE
1135
1136		f_eval_catch $funcname mkdir "$MKDIR_P" "$bootpool/boot" ||
1137		             return $FAILURE
1138
1139		if [ "$ZFSBOOT_GELI_ENCRYPTION" ]; then
1140			# Generate an encryption key using random(4)
1141			f_eval_catch $funcname dd "$DD_WITH_OPTIONS" \
1142			             /dev/random "$bootpool/$zroot_key" \
1143			             "bs=4096 count=1" || return $FAILURE
1144			f_eval_catch $funcname chmod "$CHMOD_MODE" \
1145			             go-wrx "$bootpool/$zroot_key" ||
1146			             return $FAILURE
1147		else
1148			# Clean up
1149			f_eval_catch $funcname zfs "$ZFS_UNMOUNT" \
1150			             "$bootpool_name" || return $FAILURE
1151			f_eval_catch -d $funcname umount "$UMOUNT" /mnt # tmpfs
1152		fi
1153
1154	fi
1155
1156	#
1157	# Create the geli(8) GEOMS
1158	#
1159	if [ "$ZFSBOOT_GELI_ENCRYPTION" ]; then
1160		# Prompt user for password (twice)
1161		if ! msg_enter_new_password="$msg_geli_password" \
1162			f_dialog_input_password
1163		then
1164			f_dprintf "$funcname: User cancelled"
1165			f_show_err "$msg_user_cancelled"
1166			return $FAILURE
1167		fi
1168
1169		# Initialize geli(8) on each of the target partitions
1170		for disk in $disks; do
1171			f_dialog_info "$msg_geli_setup" \
1172				2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
1173			if ! echo "$pw_password" | f_eval_catch \
1174				$funcname geli "$GELI_PASSWORD_INIT" \
1175				"$bootpool/boot/$disk$targetpart.eli" \
1176				AES-XTS "$bootpool/$zroot_key" \
1177				$disk$targetpart
1178			then
1179				f_interactive || f_die
1180				unset pw_password # Sensitive info
1181				return $FAILURE
1182			fi
1183			if ! echo "$pw_password" | f_eval_catch \
1184				$funcname geli "$GELI_ATTACH" \
1185				"$bootpool/$zroot_key" $disk$targetpart
1186			then
1187				f_interactive || f_die
1188				unset pw_password # Sensitive info
1189				return $FAILURE
1190			fi
1191		done
1192		unset pw_password # Sensitive info
1193
1194		# Clean up
1195		f_eval_catch $funcname zfs "$ZFS_UNMOUNT" "$bootpool_name" ||
1196			return $FAILURE
1197		f_eval_catch -d $funcname umount "$UMOUNT" /mnt # tmpfs
1198	fi
1199
1200	#
1201	# Create the gmirror(8) GEOMS for swap
1202	#
1203	if [ "$ZFSBOOT_SWAP_MIRROR" ]; then
1204		for disk in $disks; do
1205			swap_devs="$swap_devs $disk$swappart"
1206		done
1207		f_eval_catch $funcname gmirror "$SWAP_GMIRROR_LABEL" \
1208			"$swap_devs" || return $FAILURE
1209	fi
1210
1211	#
1212	# Create the ZFS root pool with desired type and disk devices
1213	#
1214	f_dprintf "$funcname: Creating root pool..."
1215	create_options="$ZFSBOOT_POOL_CREATE_OPTIONS"
1216	f_eval_catch $funcname zpool "$ZPOOL_CREATE_WITH_OPTIONS" \
1217		"-o altroot=$BSDINSTALL_CHROOT $create_options -m none -f" \
1218		"$zroot_name" "$zroot_vdevtype" "$zroot_vdevs" ||
1219		return $FAILURE
1220
1221	#
1222	# Create ZFS dataset layout within the new root pool
1223	#
1224	f_dprintf "$funcname: Creating ZFS datasets..."
1225	echo "$ZFSBOOT_DATASETS" | while read dataset options; do
1226		# Skip blank lines and comments
1227		case "$dataset" in "#"*|"") continue; esac
1228		# Remove potential inline comments in options
1229		options="${options%%#*}"
1230		# Replace tabs with spaces
1231		f_replaceall "$options" "	" " " options
1232		# Reduce contiguous runs of space to one single space
1233		oldoptions=
1234		while [ "$oldoptions" != "$options" ]; do
1235			oldoptions="$options"
1236			f_replaceall "$options" "  " " " options
1237		done
1238		# Replace both commas and spaces with ` -o '
1239		f_replaceall "$options" "[ ,]" " -o " options
1240		# Create the dataset with desired options
1241		f_eval_catch $funcname zfs "$ZFS_CREATE_WITH_OPTIONS" \
1242		             "${options:+-o $options}" "$zroot_name$dataset" ||
1243		             return $FAILURE
1244	done
1245
1246	#
1247	# Set a mountpoint for the root of the pool so newly created datasets
1248	# have a mountpoint to inherit
1249	#
1250	f_dprintf "$funcname: Setting mountpoint for root of the pool..."
1251	f_eval_catch $funcname zfs "$ZFS_SET" \
1252		"mountpoint=/$zroot_name" "$zroot_name" ||
1253		return $FAILURE
1254
1255	# Touch up permissions on the tmp directories
1256	f_dprintf "$funcname: Modifying directory permissions..."
1257	local dir
1258	for dir in /tmp /var/tmp; do
1259		f_eval_catch $funcname mkdir "$MKDIR_P" \
1260		             $BSDINSTALL_CHROOT$dir || return $FAILURE
1261		f_eval_catch $funcname chmod "$CHMOD_MODE" 1777 \
1262		             $BSDINSTALL_CHROOT$dir || return $FAILURE
1263	done
1264
1265	# Create symlink(s)
1266	if [ "$ZFSBOOT_BOOT_POOL" ]; then
1267		f_dprintf "$funcname: Creating /boot symlink for boot pool..."
1268		f_eval_catch $funcname ln "$LN_SF" "$bootpool_name/boot" \
1269		             $BSDINSTALL_CHROOT/boot || return $FAILURE
1270	fi
1271
1272	# Set bootfs property
1273	local zroot_bootfs="$ZFSBOOT_BEROOT_NAME/$ZFSBOOT_BOOTFS_NAME"
1274	f_dprintf "$funcname: Setting bootfs property..."
1275	f_eval_catch $funcname zpool "$ZPOOL_SET" \
1276		"bootfs=\"$zroot_name/$zroot_bootfs\"" "$zroot_name" ||
1277		return $FAILURE
1278
1279	# Export the pool(s)
1280	f_dprintf "$funcname: Temporarily exporting ZFS pool(s)..."
1281	f_eval_catch $funcname zpool "$ZPOOL_EXPORT" "$zroot_name" ||
1282	             return $FAILURE
1283	if [ "$ZFSBOOT_BOOT_POOL" ]; then
1284		f_eval_catch $funcname zpool "$ZPOOL_EXPORT" \
1285		             "$bootpool_name" || return $FAILURE
1286	fi
1287
1288	# MBR boot loader touch-up
1289	if [ "$ZFSBOOT_PARTITION_SCHEME" = "MBR" ]; then
1290		f_dprintf "$funcname: Updating MBR boot loader on disks..."
1291		# Stick the ZFS boot loader in the "convienient hole" after
1292		# the ZFS internal metadata
1293		for disk in $disks; do
1294			f_eval_catch $funcname dd "$DD_WITH_OPTIONS" \
1295			             /boot/zfsboot /dev/$disk$bootpart \
1296			             "skip=1 seek=1024" || return $FAILURE
1297		done
1298	fi
1299
1300	# Re-import the ZFS pool(s)
1301	f_dprintf "$funcname: Re-importing ZFS pool(s)..."
1302	f_eval_catch $funcname zpool "$ZPOOL_IMPORT_WITH_OPTIONS" \
1303	             "-o altroot=\"$BSDINSTALL_CHROOT\"" "$zroot_name" ||
1304	             return $FAILURE
1305	if [ "$ZFSBOOT_BOOT_POOL" ]; then
1306		f_eval_catch $funcname zpool "$ZPOOL_IMPORT_WITH_OPTIONS" \
1307		             "-o altroot=\"$BSDINSTALL_CHROOT\"" \
1308		             "$bootpool_name" || return $FAILURE
1309	fi
1310
1311	# While this is apparently not needed, it seems to help MBR
1312	f_dprintf "$funcname: Configuring zpool.cache for zroot..."
1313	f_eval_catch $funcname mkdir "$MKDIR_P" $BSDINSTALL_CHROOT/boot/zfs ||
1314	             return $FAILURE
1315	f_eval_catch $funcname zpool "$ZPOOL_SET" \
1316	             "cachefile=\"$BSDINSTALL_CHROOT/boot/zfs/zpool.cache\"" \
1317	             "$zroot_name" || return $FAILURE
1318
1319	# Last, but not least... required lines for rc.conf(5)/loader.conf(5)
1320	# NOTE: We later concatenate these into their destination
1321	f_dprintf "%s: Configuring rc.conf(5)/loader.conf(5) additions..." \
1322	          "$funcname"
1323	f_eval_catch $funcname echo "$ECHO_APPEND" 'zfs_enable=\"YES\"' \
1324	             $BSDINSTALL_TMPETC/rc.conf.zfs || return $FAILURE
1325	f_eval_catch $funcname echo "$ECHO_APPEND" \
1326	             'kern.geom.label.disk_ident.enable=\"0\"' \
1327	             $BSDINSTALL_TMPBOOT/loader.conf.zfs || return $FAILURE
1328	f_eval_catch $funcname echo "$ECHO_APPEND" \
1329	             'kern.geom.label.gptid.enable=\"0\"' \
1330	             $BSDINSTALL_TMPBOOT/loader.conf.zfs || return $FAILURE
1331
1332	if [ "$ZFSBOOT_SWAP_MIRROR" ]; then
1333		f_eval_catch $funcname echo "$ECHO_APPEND" \
1334		             'geom_mirror_load=\"YES\"' \
1335		             $BSDINSTALL_TMPBOOT/loader.conf.gmirror ||
1336		             return $FAILURE
1337	fi
1338
1339	# We're all done unless we should go on for boot pool
1340	[ "$ZFSBOOT_BOOT_POOL" ] || return $SUCCESS
1341
1342	# Set cachefile for boot pool so it auto-imports at system start
1343	f_dprintf "$funcname: Configuring zpool.cache for boot pool..."
1344	f_eval_catch $funcname zpool "$ZPOOL_SET" \
1345	             "cachefile=\"$BSDINSTALL_CHROOT/boot/zfs/zpool.cache\"" \
1346	             "$bootpool_name" || return $FAILURE
1347
1348	# Some additional geli(8) requirements for loader.conf(5)
1349	for option in \
1350		'zpool_cache_load=\"YES\"' \
1351		'zpool_cache_type=\"/boot/zfs/zpool.cache\"' \
1352		'zpool_cache_name=\"/boot/zfs/zpool.cache\"' \
1353	; do
1354		f_eval_catch $funcname echo "$ECHO_APPEND" "$option" \
1355		             $BSDINSTALL_TMPBOOT/loader.conf.zfs ||
1356		             return $FAILURE
1357	done
1358	f_eval_catch $funcname printf "$PRINTF_CONF" vfs.root.mountfrom \
1359		"\"zfs:$zroot_name/$zroot_bootfs\"" \
1360		$BSDINSTALL_TMPBOOT/loader.conf.root || return $FAILURE
1361
1362	# We're all done unless we should go on to do encryption
1363	[ "$ZFSBOOT_GELI_ENCRYPTION" ] || return $SUCCESS
1364
1365	#
1366	# Configure geli(8)-based encryption
1367	#
1368	f_dprintf "$funcname: Configuring disk encryption..."
1369	f_eval_catch $funcname echo "$ECHO_APPEND" 'aesni_load=\"YES\"' \
1370		$BSDINSTALL_TMPBOOT/loader.conf.aesni || return $FAILURE
1371	f_eval_catch $funcname echo "$ECHO_APPEND" 'geom_eli_load=\"YES\"' \
1372		$BSDINSTALL_TMPBOOT/loader.conf.geli || return $FAILURE
1373	f_eval_catch $funcname echo "$ECHO_APPEND" \
1374		'geom_eli_passphrase_prompt=\"YES\"' \
1375		$BSDINSTALL_TMPBOOT/loader.conf.geli || return $FAILURE
1376	for disk in $disks; do
1377		f_eval_catch $funcname printf "$PRINTF_CONF" \
1378			geli_%s_keyfile0_load "$disk$targetpart YES" \
1379			$BSDINSTALL_TMPBOOT/loader.conf.$disk$targetpart ||
1380			return $FAILURE
1381		f_eval_catch $funcname printf "$PRINTF_CONF" \
1382			geli_%s_keyfile0_type \
1383			"$disk$targetpart $disk$targetpart:geli_keyfile0" \
1384			$BSDINSTALL_TMPBOOT/loader.conf.$disk$targetpart ||
1385			return $FAILURE
1386		f_eval_catch $funcname printf "$PRINTF_CONF" \
1387			geli_%s_keyfile0_name \
1388			"$disk$targetpart \"$ZFSBOOT_GELI_KEY_FILE\"" \
1389			$BSDINSTALL_TMPBOOT/loader.conf.$disk$targetpart ||
1390			return $FAILURE
1391	done
1392
1393	return $SUCCESS
1394}
1395
1396# dialog_menu_diskinfo
1397#
1398# Prompt the user to select a disk and then provide detailed info on it.
1399#
1400dialog_menu_diskinfo()
1401{
1402	local device disk
1403
1404	#
1405	# Break from loop when user cancels disk selection
1406	#
1407	while :; do
1408		device=$( msg_cancel="$msg_back" f_device_menu \
1409			"$DIALOG_TITLE" "$msg_select_a_disk_device" "" \
1410			$DEVICE_TYPE_DISK 2>&1 ) || break
1411		$device get name disk
1412
1413		# Show gpart(8) `show' and camcontrol(8) `inquiry' data
1414		f_show_msg "$msg_detailed_disk_info" \
1415			"$disk" "$( gpart show $disk 2> /dev/null )" \
1416			"$disk" "$( camcontrol inquiry $disk 2> /dev/null )" \
1417			"$disk" "$( camcontrol identify $disk 2> /dev/null )"
1418	done
1419
1420	return $SUCCESS
1421}
1422
1423############################################################ MAIN
1424
1425#
1426# Initialize
1427#
1428f_dialog_title "$msg_zfs_configuration"
1429f_dialog_backtitle "$msg_freebsd_installer"
1430
1431# User may have specifically requested ZFS-related operations be interactive
1432! f_interactive && f_zfsinteractive && unset $VAR_NONINTERACTIVE
1433
1434#
1435# Debugging
1436#
1437f_dprintf "BSDINSTALL_CHROOT=[%s]" "$BSDINSTALL_CHROOT"
1438f_dprintf "BSDINSTALL_TMPETC=[%s]" "$BSDINSTALL_TMPETC"
1439f_dprintf "FSTAB_FMT=[%s]" "$FSTAB_FMT"
1440
1441#
1442# If the system was booted with UEFI, set the default boot type to UEFI
1443#
1444bootmethod=$( sysctl -n machdep.bootmethod )
1445f_dprintf "machdep.bootmethod=[%s]" "$bootmethod"
1446if [ "$bootmethod" = "UEFI" ]; then
1447	: ${ZFSBOOT_BOOT_TYPE:=UEFI}
1448	: ${ZFSBOOT_PARTITION_SCHEME:=GPT}
1449else
1450	: ${ZFSBOOT_BOOT_TYPE:=BIOS}
1451	: ${ZFSBOOT_PARTITION_SCHEME:=GPT}
1452fi
1453
1454#
1455# Loop over the main menu until we've accomplished what we came here to do
1456#
1457while :; do
1458	if ! f_interactive; then
1459		retval=$DIALOG_OK
1460		mtag=">>> $msg_install"
1461	else
1462		dialog_menu_main
1463		retval=$?
1464		f_dialog_menutag_fetch mtag
1465	fi
1466
1467	f_dprintf "retval=%u mtag=[%s]" $retval "$mtag"
1468	[ $retval -eq $DIALOG_OK ] || f_die
1469
1470	case "$mtag" in
1471	">>> $msg_install")
1472		#
1473		# First, validate the user's selections
1474		#
1475
1476		# Make sure they gave us a name for the pool
1477		if [ ! "$ZFSBOOT_POOL_NAME" ]; then
1478			f_dprintf "Pool name cannot be empty."
1479			f_show_err "$msg_pool_name_cannot_be_empty"
1480			continue
1481		fi
1482
1483		# Validate vdev type against number of disks selected/scripted
1484		# (also validates that ZFSBOOT_DISKS are real [probed] disks)
1485		# NB: dialog_menu_layout supports running non-interactively
1486		dialog_menu_layout || continue
1487
1488		# Make sure each disk will have room for ZFS
1489		if f_expand_number "$ZFSBOOT_SWAP_SIZE" swapsize &&
1490		   f_expand_number "$ZFSBOOT_BOOT_POOL_SIZE" bootsize &&
1491		   f_expand_number "1g" zpoolmin
1492		then
1493			minsize=$(( $swapsize + $zpoolmin )) teeny_disks=
1494			[ "$ZFSBOOT_BOOT_POOL" ] &&
1495				minsize=$(( $minsize + $bootsize ))
1496			for disk in $ZFSBOOT_DISKS; do
1497				debug= f_device_find -1 \
1498					$disk $DEVICE_TYPE_DISK device
1499				$device get capacity disksize || continue
1500				[ ${disksize:-0} -ge 0 ] || disksize=0
1501				[ $disksize -lt $minsize ] &&
1502					teeny_disks="$teeny_disks $disk"
1503			done
1504			if [ "$teeny_disks" ]; then
1505				f_dprintf "swapsize=[%s] bootsize[%s] %s" \
1506				          "$ZFSBOOT_SWAP_SIZE" \
1507				          "$ZFSBOOT_BOOT_POOL_SIZE" \
1508				          "minsize=[$minsize]"
1509				f_dprintf "These disks are too small: %s" \
1510				          "$teeny_disks"
1511				f_show_err "$msg_these_disks_are_too_small" \
1512				           "$ZFSBOOT_SWAP_SIZE" \
1513				           "$ZFSBOOT_BOOT_POOL_SIZE" \
1514				           "$teeny_disks"
1515				continue
1516			fi
1517		fi
1518
1519		#
1520		# Last Chance!
1521		#
1522		if f_interactive; then
1523			dialog_last_chance $ZFSBOOT_DISKS || continue
1524		fi
1525
1526		#
1527		# Let's do this
1528		#
1529
1530		vdev_type="$ZFSBOOT_VDEV_TYPE"
1531
1532		# Blank the vdev type for the default layout
1533		[ "$vdev_type" = "stripe" ] && vdev_type=
1534
1535		zfs_create_boot "$ZFSBOOT_POOL_NAME" \
1536		                "$vdev_type" $ZFSBOOT_DISKS || continue
1537
1538		break # to success
1539		;;
1540	?" $msg_pool_type_disks")
1541		ZFSBOOT_CONFIRM_LAYOUT=1
1542		dialog_menu_layout
1543		# User has poked settings, disable later confirmation
1544		ZFSBOOT_CONFIRM_LAYOUT=
1545		;;
1546	"- $msg_rescan_devices") f_device_rescan ;;
1547	"- $msg_disk_info") dialog_menu_diskinfo ;;
1548	?" $msg_pool_name")
1549		# Prompt the user to input/change the name for the new pool
1550		f_dialog_input input \
1551			"$msg_please_enter_a_name_for_your_zpool" \
1552			"$ZFSBOOT_POOL_NAME" &&
1553			ZFSBOOT_POOL_NAME="$input"
1554		;;
1555	?" $msg_force_4k_sectors")
1556		# Toggle the variable referenced both by the menu and later
1557		if [ "$ZFSBOOT_FORCE_4K_SECTORS" ]; then
1558			ZFSBOOT_FORCE_4K_SECTORS=
1559		else
1560			ZFSBOOT_FORCE_4K_SECTORS=1
1561		fi
1562		;;
1563	?" $msg_encrypt_disks")
1564		# Toggle the variable referenced both by the menu and later
1565		if [ "$ZFSBOOT_GELI_ENCRYPTION" ]; then
1566			ZFSBOOT_GELI_ENCRYPTION=
1567		else
1568			ZFSBOOT_FORCE_4K_SECTORS=1
1569			ZFSBOOT_GELI_ENCRYPTION=1
1570		fi
1571		;;
1572	?" $msg_partition_scheme")
1573		# Toggle between GPT (BIOS), GPT (UEFI) and MBR
1574		if [ "$ZFSBOOT_PARTITION_SCHEME" = "GPT" -a "$ZFSBOOT_BOOT_TYPE" = "BIOS" ]; then
1575			ZFSBOOT_PARTITION_SCHEME="GPT"
1576			ZFSBOOT_BOOT_TYPE="UEFI"
1577		elif [ "$ZFSBOOT_PARTITION_SCHEME" = "GPT" ]; then
1578			ZFSBOOT_PARTITION_SCHEME="MBR"
1579			ZFSBOOT_BOOT_TYPE="BIOS"
1580		elif [ "$ZFSBOOT_PARTITION_SCHEME" = "MBR" ]; then
1581			ZFSBOOT_PARTITION_SCHEME="GPT + Active"
1582			ZFSBOOT_BOOT_TYPE="BIOS"
1583		elif [ "$ZFSBOOT_PARTITION_SCHEME" = "GPT + Active" ]; then
1584			ZFSBOOT_PARTITION_SCHEME="GPT + Lenovo Fix"
1585			ZFSBOOT_BOOT_TYPE="BIOS"
1586		else
1587			ZFSBOOT_PARTITION_SCHEME="GPT"
1588			ZFSBOOT_BOOT_TYPE="BIOS"
1589		fi
1590		;;
1591	?" $msg_swap_size")
1592		# Prompt the user to input/change the swap size for each disk
1593		while :; do
1594		    f_dialog_input input \
1595			    "$msg_please_enter_amount_of_swap_space" \
1596			    "$ZFSBOOT_SWAP_SIZE" &&
1597			    ZFSBOOT_SWAP_SIZE="${input:-0}"
1598		    if f_expand_number "$ZFSBOOT_SWAP_SIZE" swapsize
1599		    then
1600			if [ $swapsize -ne 0 -a $swapsize -lt 104857600 ]; then
1601			    f_show_err "$msg_swap_toosmall" \
1602				       "$ZFSBOOT_SWAP_SIZE"
1603			    continue;
1604			else
1605			    break;
1606			fi
1607		    else
1608			f_show_err "$msg_swap_invalid" \
1609				   "$ZFSBOOT_SWAP_SIZE"
1610			continue;
1611		    fi
1612		done
1613		;;
1614	?" $msg_swap_mirror")
1615		# Toggle the variable referenced both by the menu and later
1616		if [ "$ZFSBOOT_SWAP_MIRROR" ]; then
1617			ZFSBOOT_SWAP_MIRROR=
1618		else
1619			ZFSBOOT_SWAP_MIRROR=1
1620		fi
1621		;;
1622	?" $msg_swap_encrypt")
1623		# Toggle the variable referenced both by the menu and later
1624		if [ "$ZFSBOOT_SWAP_ENCRYPTION" ]; then
1625			ZFSBOOT_SWAP_ENCRYPTION=
1626		else
1627			ZFSBOOT_SWAP_ENCRYPTION=1
1628		fi
1629		;;
1630	esac
1631done
1632
1633exit $SUCCESS
1634
1635################################################################################
1636# END
1637################################################################################
1638