1#!/bin/sh
2#-
3# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4#
5# Copyright (c) 2010 iXsystems, Inc.  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# Query a disk for partitions and display them
31#############################
32
33. ${PROGDIR}/backend/functions.sh
34. ${PROGDIR}/backend/functions-disk.sh
35
36if [ -z "${1}" ]
37then
38  echo "Error: No disk specified!"
39  exit 1
40fi
41
42if [ ! -e "/dev/${1}" ]
43then
44  echo "Error: Disk /dev/${1} does not exist!"
45  exit 1
46fi
47
48DISK="${1}"
49
50# Now get the disks size in MB
51KB="`diskinfo -v ${1} | grep 'bytes' | cut -d '#' -f 1 | tr -s '\t' ' ' | tr -d ' '`"
52MB=$(convert_byte_to_megabyte ${KB})
53TOTALSIZE="$MB"
54TOTALB="`diskinfo -v ${1} | grep 'in sectors' | tr -s '\t' ' ' | cut -d ' ' -f 2`"
55
56gpart show ${1} >/dev/null 2>/dev/null
57if [ "$?" != "0" ] ; then
58  # No partitions on this disk, display entire disk size and exit
59  echo "${1}-freemb: ${TOTALSIZE}"
60  echo "${1}-freeblocks: ${TOTALB}"
61  exit
62fi
63
64# Display if this is GPT or MBR formatted
65TYPE=`gpart show ${1} | awk '/^=>/ { printf("%s",$5); }'`
66echo "${1}-format: $TYPE"
67
68# Set some search flags
69PART="0"
70EXTENDED="0"
71START="0"
72SIZEB="0"
73
74# Get a listing of partitions on this disk
75get_disk_partitions "${DISK}"
76PARTS="${VAL}"
77for curpart in $PARTS
78do
79
80  # First get the sysid / label for this partition
81  if [ "$TYPE" = "MBR" ] ; then
82    get_partition_sysid_mbr "${DISK}" "${curpart}"
83    echo "${curpart}-sysid: ${VAL}"
84    get_partition_label_mbr "${DISK}" "${curpart}"
85    echo "${curpart}-label: ${VAL}"
86  else
87    get_partition_label_gpt "${DISK}" "${curpart}"
88    echo "${curpart}-sysid: ${VAL}"
89    echo "${curpart}-label: ${VAL}"
90  fi
91
92  # Now get the startblock, blocksize and MB size of this partition
93
94  get_partition_startblock "${DISK}" "${curpart}"
95  START="${VAL}"
96  echo "${curpart}-blockstart: ${START}"
97
98  get_partition_blocksize "${DISK}" "${curpart}"
99  SIZEB="${VAL}"
100  echo "${curpart}-blocksize: ${SIZEB}"
101
102  SIZEMB=$(convert_blocks_to_megabyte ${SIZEB})
103  echo "${curpart}-sizemb: ${SIZEMB}"
104
105done
106
107
108# Now calculate any free space
109LASTB="`expr $SIZEB + $START`"
110FREEB="`expr $TOTALB - $LASTB`"
111FREEMB="`expr ${FREEB} / 2048`"
112echo "${1}-freemb: $FREEMB"
113echo "${1}-freeblocks: $FREEB"
114