1#!/bin/sh 2# 3# Copyright (c) 2013 NetApp, Inc. 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 9# 1. Redistributions of source code must retain the above copyright 10# notice, this list of conditions and the following disclaimer. 11# 2. Redistributions in binary form must reproduce the above copyright 12# notice, this list of conditions and the following disclaimer in the 13# documentation and/or other materials provided with the distribution. 14# 15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25# SUCH DAMAGE. 26# 27# $FreeBSD$ 28# 29 30LOADER=/usr/sbin/bhyveload 31BHYVECTL=/usr/sbin/bhyvectl 32FBSDRUN=/usr/sbin/bhyve 33 34DEFAULT_MEMSIZE=512M 35DEFAULT_CPUS=2 36DEFAULT_TAPDEV=tap0 37DEFAULT_CONSOLE=stdio 38 39DEFAULT_VIRTIO_DISK="./diskdev" 40DEFAULT_ISOFILE="./release.iso" 41 42errmsg() { 43 echo "*** $1" 44} 45 46usage() { 47 local msg=$1 48 49 echo "Usage: vmrun.sh [-ahi] [-c <CPUs>] [-C <console>] [-d <disk file>]" 50 echo " [-e <name=value>] [-g <gdbport> ] [-H <directory>]" 51 echo " [-I <location of installation iso>] [-m <memsize>]" 52 echo " [-t <tapdev>] <vmname>" 53 echo "" 54 echo " -h: display this help message" 55 echo " -a: force memory mapped local APIC access" 56 echo " -c: number of virtual cpus (default is ${DEFAULT_CPUS})" 57 echo " -C: console device (default is ${DEFAULT_CONSOLE})" 58 echo " -d: virtio diskdev file (default is ${DEFAULT_VIRTIO_DISK})" 59 echo " -e: set FreeBSD loader environment variable" 60 echo " -g: listen for connection from kgdb at <gdbport>" 61 echo " -H: host filesystem to export to the loader" 62 echo " -i: force boot of the Installation CDROM image" 63 echo " -I: Installation CDROM image location (default is ${DEFAULT_ISOFILE})" 64 echo " -m: memory size (default is ${DEFAULT_MEMSIZE})" 65 echo " -p: pass-through a host PCI device at bus/slot/func (e.g. 10/0/0)" 66 echo " -t: tap device for virtio-net (default is $DEFAULT_TAPDEV)" 67 echo "" 68 [ -n "$msg" ] && errmsg "$msg" 69 exit 1 70} 71 72if [ `id -u` -ne 0 ]; then 73 errmsg "This script must be executed with superuser privileges" 74 exit 1 75fi 76 77kldstat -n vmm > /dev/null 2>&1 78if [ $? -ne 0 ]; then 79 errmsg "vmm.ko is not loaded" 80 exit 1 81fi 82 83force_install=0 84isofile=${DEFAULT_ISOFILE} 85memsize=${DEFAULT_MEMSIZE} 86console=${DEFAULT_CONSOLE} 87cpus=${DEFAULT_CPUS} 88tap_total=0 89disk_total=0 90apic_opt="" 91gdbport=0 92loader_opt="" 93pass_total=0 94 95while getopts ac:C:d:e:g:hH:iI:m:p:t: c ; do 96 case $c in 97 a) 98 apic_opt="-a" 99 ;; 100 c) 101 cpus=${OPTARG} 102 ;; 103 C) 104 console=${OPTARG} 105 ;; 106 d) 107 disk_dev=${OPTARG%%,*} 108 disk_opts=${OPTARG#${disk_dev}} 109 eval "disk_dev${disk_total}=\"${disk_dev}\"" 110 eval "disk_opts${disk_total}=\"${disk_opts}\"" 111 disk_total=$(($disk_total + 1)) 112 ;; 113 e) 114 loader_opt="${loader_opt} -e ${OPTARG}" 115 ;; 116 g) 117 gdbport=${OPTARG} 118 ;; 119 H) 120 host_base=`realpath ${OPTARG}` 121 ;; 122 i) 123 force_install=1 124 ;; 125 I) 126 isofile=${OPTARG} 127 ;; 128 m) 129 memsize=${OPTARG} 130 ;; 131 p) 132 eval "pass_dev${pass_total}=\"${OPTARG}\"" 133 pass_total=$(($pass_total + 1)) 134 ;; 135 t) 136 eval "tap_dev${tap_total}=\"${OPTARG}\"" 137 tap_total=$(($tap_total + 1)) 138 ;; 139 *) 140 usage 141 ;; 142 esac 143done 144 145if [ $tap_total -eq 0 ] ; then 146 tap_total=1 147 tap_dev0="${DEFAULT_TAPDEV}" 148fi 149if [ $disk_total -eq 0 ] ; then 150 disk_total=1 151 disk_dev0="${DEFAULT_VIRTIO_DISK}" 152 153fi 154 155shift $((${OPTIND} - 1)) 156 157if [ $# -ne 1 ]; then 158 usage "virtual machine name not specified" 159fi 160 161vmname="$1" 162if [ -n "${host_base}" ]; then 163 loader_opt="${loader_opt} -h ${host_base}" 164fi 165 166make_and_check_diskdev() 167{ 168 local virtio_diskdev="$1" 169 # Create the virtio diskdev file if needed 170 if [ ! -e ${virtio_diskdev} ]; then 171 echo "virtio disk device file \"${virtio_diskdev}\" does not exist." 172 echo "Creating it ..." 173 truncate -s 8G ${virtio_diskdev} > /dev/null 174 fi 175 176 if [ ! -r ${virtio_diskdev} ]; then 177 echo "virtio disk device file \"${virtio_diskdev}\" is not readable" 178 exit 1 179 fi 180 181 if [ ! -w ${virtio_diskdev} ]; then 182 echo "virtio disk device file \"${virtio_diskdev}\" is not writable" 183 exit 1 184 fi 185} 186 187echo "Launching virtual machine \"$vmname\" ..." 188 189first_diskdev="$disk_dev0" 190 191${BHYVECTL} --vm=${vmname} --destroy > /dev/null 2>&1 192 193while [ 1 ]; do 194 195 file -s ${first_diskdev} | grep "boot sector" > /dev/null 196 rc=$? 197 if [ $rc -ne 0 ]; then 198 file -s ${first_diskdev} | grep ": Unix Fast File sys" > /dev/null 199 rc=$? 200 fi 201 if [ $rc -ne 0 ]; then 202 need_install=1 203 else 204 need_install=0 205 fi 206 207 if [ $force_install -eq 1 -o $need_install -eq 1 ]; then 208 if [ ! -r ${isofile} ]; then 209 echo -n "Installation CDROM image \"${isofile}\" " 210 echo "is not readable" 211 exit 1 212 fi 213 BOOTDISKS="-d ${isofile}" 214 installer_opt="-s 31:0,ahci-cd,${isofile}" 215 else 216 BOOTDISKS="" 217 i=0 218 while [ $i -lt $disk_total ] ; do 219 eval "disk=\$disk_dev${i}" 220 if [ -r ${disk} ] ; then 221 BOOTDISKS="$BOOTDISKS -d ${disk} " 222 fi 223 i=$(($i + 1)) 224 done 225 installer_opt="" 226 fi 227 228 ${LOADER} -c ${console} -m ${memsize} ${BOOTDISKS} ${loader_opt} \ 229 ${vmname} 230 bhyve_exit=$? 231 if [ $bhyve_exit -ne 0 ]; then 232 break 233 fi 234 235 # 236 # Build up args for additional tap and disk devices now. 237 # 238 nextslot=2 # slot 0 is hostbridge, slot 1 is lpc 239 devargs="" # accumulate disk/tap args here 240 i=0 241 while [ $i -lt $tap_total ] ; do 242 eval "tapname=\$tap_dev${i}" 243 devargs="$devargs -s $nextslot:0,virtio-net,${tapname} " 244 nextslot=$(($nextslot + 1)) 245 i=$(($i + 1)) 246 done 247 248 i=0 249 while [ $i -lt $disk_total ] ; do 250 eval "disk=\$disk_dev${i}" 251 eval "opts=\$disk_opts${i}" 252 make_and_check_diskdev "${disk}" 253 devargs="$devargs -s $nextslot:0,virtio-blk,${disk}${opts} " 254 nextslot=$(($nextslot + 1)) 255 i=$(($i + 1)) 256 done 257 258 i=0 259 while [ $i -lt $pass_total ] ; do 260 eval "pass=\$pass_dev${i}" 261 devargs="$devargs -s $nextslot:0,passthru,${pass} " 262 nextslot=$(($nextslot + 1)) 263 i=$(($i + 1)) 264 done 265 266 ${FBSDRUN} -c ${cpus} -m ${memsize} ${apic_opt} -A -H -P \ 267 -g ${gdbport} \ 268 -s 0:0,hostbridge \ 269 -s 1:0,lpc \ 270 ${devargs} \ 271 -l com1,${console} \ 272 ${installer_opt} \ 273 ${vmname} 274 275 bhyve_exit=$? 276 # bhyve returns the following status codes: 277 # 0 - VM has been reset 278 # 1 - VM has been powered off 279 # 2 - VM has been halted 280 # 3 - VM generated a triple fault 281 # all other non-zero status codes are errors 282 # 283 if [ $bhyve_exit -ne 0 ]; then 284 break 285 fi 286done 287 288 289case $bhyve_exit in 290 0|1|2) 291 # Cleanup /dev/vmm entry when bhyve did not exit 292 # due to an error. 293 ${BHYVECTL} --vm=${vmname} --destroy > /dev/null 2>&1 294 ;; 295esac 296 297exit $bhyve_exit 298