(floor($intDisplaySize) == $intDisplaySize) &&
isset($arrSizePrefix[$intShifts])) {
$arrResponse['display-size'] = $intDisplaySize . $arrSizePrefix[$intShifts];
$intDisplaySize /= 1024;
$intShifts++;
}
$arrResponse['virtual-size'] = $json_info['virtual-size'];
$arrResponse['actual-size'] = $json_info['actual-size'];
$arrResponse['format'] = $json_info['format'];
$arrResponse['dirty-flag'] = $json_info['dirty-flag'];
$arrResponse['resizable'] = true;
}
} else if (is_block($file)) {
$strDevSize = trim(shell_exec("blockdev --getsize64 " . escapeshellarg($file)));
if (!empty($strDevSize) && is_numeric($strDevSize)) {
$arrResponse['actual-size'] = (int)$strDevSize;
$arrResponse['format'] = 'raw';
$intDisplaySize = (int)$strDevSize;
$intShifts = 0;
while (!empty($intDisplaySize) &&
($intDisplaySize >= 2) &&
isset($arrSizePrefix[$intShifts])) {
$arrResponse['display-size'] = round($intDisplaySize, 0) . $arrSizePrefix[$intShifts];
$intDisplaySize /= 1000; // 1000 looks better than 1024 for block devs
$intShifts++;
function config_to_xml($config) {
$domain = $config['domain'];
$media = $config['media'];
$nics = $config['nic'];
$disks = $config['disk'];
$usb = $config['usb'];
$shares = $config['shares'];
$gpus = $config['gpu'];
$audios = $config['audio'];
$template = $config['template'];
$type = $domain['type'];
$name = $domain['name'];
$mem = $domain['mem'];
$maxmem = $mem;
if (!empty($domain['maxmem'])) {
$maxmem = $domain['maxmem'];
}
$uuid = (!empty($domain['uuid']) ? $domain['uuid'] : $this->domain_generate_uuid());
$machine = $domain['machine'];
$machine_type = (stripos($machine, 'q35') !== false ? 'q35' : 'pc');
$os_type = ((empty($template['os']) || stripos($template['os'], 'windows') === false) ? 'other' : 'windows');
$emulator = $this->get_default_emulator();
$arch = $domain['arch'];
$pae = '';
if ($arch == 'i686'){
$pae = '<pae/>';
}
$loader = '';
if (!empty($domain['ovmf'])) {
$loader = "<loader type='pflash'>/usr/share/qemu/ovmf-x64/OVMF-pure-efi.fd</loader>";
}
$metadata = '';
if (!empty($template)) {
$template_options = '';
foreach ($template as $key => $value) {
$template_options .= $key . "='" . htmlspecialchars($value, ENT_QUOTES | ENT_XML1) . "' ";
}
$metadata = "<metadata><vmtemplate " . $template_options . "/></metadata>";
}
$vcpus = 1;
$vcpupinstr = '';
if (!empty($domain['vcpu']) && is_array($domain['vcpu'])) {
$vcpus = count($domain['vcpu']);
foreach($domain['vcpu'] as $i => $vcpu) {
$vcpupinstr .= "<vcpupin vcpu='$i' cpuset='$vcpu'/>";
}
} else if (!empty($domain['vcpus'])) {
$vcpus = $domain['vcpus'];
for ($i=0; $i < $vcpus; $i++) {
$vcpupinstr .= "<vcpupin vcpu='$i' cpuset='$i'/>";
}
}
$cpumode = '';
if (!empty($domain['cpumode']) && $domain['cpumode'] == 'host-passthrough') {
$cpumode .= "mode='host-passthrough'";
}
$cpustr = "<cpu $cpumode>
<topology sockets='1' cores='{$vcpus}' threads='1'/>
</cpu>
<vcpu placement='static'>{$vcpus}</vcpu>
<cputune>
$vcpupinstr
</cputune>";
$bus = "ide";
$ctrl = '';
if ($machine_type == 'q35'){
$bus = "sata";
$ctrl = "<controller type='usb' index='0' model='ich9-ehci1'/>
<controller type='usb' index='0' model='ich9-uhci1'/>";
}
// OVMF needs the bus set to ide for cdroms
if (!empty($domain['ovmf'])) {
$bus = "ide";
}
$clock = "<clock offset='" . $domain['clock'] . "'>
<timer name='rtc' tickpolicy='catchup'/>
<timer name='pit' tickpolicy='delay'/>
<timer name='hpet' present='no'/>
</clock>";
$hyperv = '';
if (!empty($domain['hyperv']) && $os_type == "windows") {
$hyperv = "<hyperv>
<relaxed state='on'/>
<vapic state='on'/>
<spinlocks state='on' retries='8191'/>
</hyperv>";
$clock = "<clock offset='" . $domain['clock'] . "'>
<timer name='hypervclock' present='yes'/>
<timer name='hpet' present='no'/>
</clock>";
}
$usbstr = '';
if (!empty($usb)) {
foreach($usb as $i => $v){
$usbx = explode(':', $v);
$usbstr .= "<hostdev mode='subsystem' type='usb' managed='yes'>
<source>
<vendor id='0x".$usbx[0]."'/>
<product id='0x".$usbx[1]."'/>
</source>
</hostdev>";
}
}
$arrAvailableDevs = [];
foreach (range('a', 'z') as $letter) {
$arrAvailableDevs['hd' . $letter] = 'hd' . $letter;
}
$arrUsedBootOrders = [];
//media settings
$mediastr = '';
if (!empty($media['cdrom'])) {
unset($arrAvailableDevs['hda']);
$arrUsedBootOrders[] = 2;
$mediastr = "<disk type='file' device='cdrom'>
<driver name='qemu'/>
<source file='" . htmlspecialchars($media['cdrom'], ENT_QUOTES | ENT_XML1) . "'/>
<target dev='hda' bus='$bus'/>
<readonly/>
<boot order='2'/>
</disk>";
}
$driverstr = '';
if (!empty($media['drivers']) && $os_type == "windows") {
unset($arrAvailableDevs['hdb']);
$driverstr = "<disk type='file' device='cdrom'>
<driver name='qemu'/>
<source file='" . htmlspecialchars($media['drivers'], ENT_QUOTES | ENT_XML1) . "'/>
<target dev='hdb' bus='$bus'/>
<readonly/>
</disk>";
}
//disk settings
$diskstr = '';
$diskcount = 0;
if (!empty($disks)) {
foreach ($disks as $i => $disk) {
if (!empty($disk['image']) | !empty($disk['new']) ) {
//TODO: check if image/new is a block device
$diskcount++;
if (!empty($disk['new'])) {
if (is_file($disk['new']) || is_block($disk['new'])) {
$disk['image'] = $disk['new'];
}
}
if (!empty($disk['image'])) {
if (empty($disk['driver'])) {
$disk['driver'] = 'raw';
if (is_file($disk['image'])) {
$json_info = json_decode(shell_exec("qemu-img info --output json " . escapeshellarg($disk['image'])), true);
$disk['driver'] = $json_info['format'];
}
}
} else {
if (empty($disk['driver'])) {
$disk['driver'] = 'raw';
}
$strImgFolder = $disk['new'];
$strImgPath = '';
$path_parts = pathinfo($strImgFolder);
if (empty($path_parts['extension'])) {
// 'new' is a folder
if (substr($strImgFolder, -1) != '/') {
$strImgFolder .= '/';
}
if (is_dir($strImgFolder)) {
// 'new' is a folder and already exists, append domain name as child folder
$strImgFolder .= preg_replace('((^\.)|\/|(\.$))', '_', $domain['name']) . '/';
}
$strExt = ($disk['driver'] == 'raw') ? 'img' : $disk['driver'];
$strImgPath = $strImgFolder . 'vdisk' . $diskcount . '.' . $strExt;
} else {
// 'new' is a file
$strImgPath = $strImgFolder;
}
if (is_file($strImgPath)) {
$json_info = json_decode(shell_exec("qemu-img info --output json " . escapeshellarg($strImgPath)), true);
$disk['driver'] = $json_info['format'];
}
$arrReturn = [
'image' => $strImgPath,
'driver' => $disk['driver']
];
if (!empty($disk['dev'])) {
$arrReturn['dev'] = $disk['dev'];
}
if (!empty($disk['bus'])) {
$arrReturn['bus'] = $disk['bus'];
}
$disk = $arrReturn;
}
if (empty($disk['bus'])) {
$disk['bus'] = 'virtio';
}
if (empty($disk['dev']) || !in_array($disk['dev'], $arrAvailableDevs)) {
$disk['dev'] = array_shift($arrAvailableDevs);
}
unset($arrAvailableDevs[$disk['dev']]);
$bootorder = '';
if (!in_array(1, $arrUsedBootOrders)) {
$bootorder = "<boot order='1'/>";
$arrUsedBootOrders[] = 1;
}
$readonly = '';
if (!empty($disk['readonly'])) {
$readonly = '<readonly/>';
}
$strDevType = @filetype(realpath($disk['image']));
if ($strDevType == 'file' || $strDevType == 'block') {
$strSourceType = ($strDevType == 'file' ? 'file' : 'dev');
$diskstr .= "<disk type='" . $strDevType . "' device='disk'>
<driver name='qemu' type='" . $disk['driver'] . "' cache='writeback'/>
<source " . $strSourceType . "='" . htmlspecialchars($disk['image'], ENT_QUOTES | ENT_XML1) . "'/>
<target bus='" . $disk['bus'] . "' dev='" . $disk['dev'] . "'/>
$bootorder
$readonly
</disk>";
}
}
}
}
$netstr = '';
if (!empty($nics)) {
foreach ($nics as $i => $nic) {
if (empty($nic['mac']) || empty($nic['network'])) {
continue;
}
$netstr .= "<interface type='bridge'>
<mac address='{$nic['mac']}'/>
<source bridge='" . htmlspecialchars($nic['network'], ENT_QUOTES | ENT_XML1) . "'/>
<model type='virtio'/>
</interface>";
}
}
$sharestr = '';
if (!empty($shares) && $os_type != "windows") {
foreach ($shares as $i => $share) {
if (empty($share['source']) || empty($share['target'])) {
continue;
}
$sharestr .= "<filesystem type='mount' accessmode='passthrough'>
<source dir='" . htmlspecialchars($share['source'], ENT_QUOTES | ENT_XML1) . "'/>
<target dir='" . htmlspecialchars($share['target'], ENT_QUOTES | ENT_XML1) . "'/>
</filesystem>";
}
}
$passwdstr = '';
if (!empty($domain['password'])){
$passwdstr = "passwd='" . htmlspecialchars($domain['password'], ENT_QUOTES | ENT_XML1) . "'";
}
$pcidevs='';
$gpuargs='';
$gpudevs=[];
$gpuargsdevs=[];
$gpuincr=0;
$vnc='';
if (!empty($gpus)) {
foreach ($gpus as $i => $gpu) {
if (empty($gpu['id'])) {
continue;
}
// Skip duplicate video devices
if (in_array($gpu['id'], $gpudevs)) {
continue;
}
if ($gpu['id'] == 'vnc') {
$strKeyMap = '';
if (!empty($gpu['keymap'])) {
$strKeyMap = "keymap='" . $gpu['keymap'] . "'";
}
$vnc = "<input type='tablet' bus='usb'/>
<input type='mouse' bus='ps2'/>
<input type='keyboard' bus='ps2'/>
<graphics type='vnc' port='-1' autoport='yes' websocket='-1' listen='0.0.0.0' $passwdstr $strKeyMap>
<listen type='address' address='0.0.0.0'/>
</graphics>";
if (!empty($domain['ovmf'])) {
// OVMF doesn't work with vmvga
$vnc .= "<video>
<model type='cirrus'/>
</video>";
} else {
// SeaBIOS is cool with vmvga
$vnc .= "<video>
<model type='vmvga'/>
</video>";
}
continue;
}
list($gpu_bus, $gpu_slot, $gpu_function) = explode(":", str_replace('.', ':', $gpu['id']));
if (!empty($domain['ovmf'])) {
// OVMF passthrough uses the normal hostdev and libvirt can fully manage the device
$pcidevs .= "<hostdev mode='subsystem' type='pci' managed='yes'>
<driver name='vfio'/>
<source>
<address domain='0x0000' bus='0x" . $gpu_bus . "' slot='0x" . $gpu_slot . "' function='0x" . $gpu_function . "'/>
</source>
</hostdev>";
} else {
// VGA BIOS passthrough uses qemu args and we have to manage the device (libvirt wont attach/detach the device driver to vfio-pci)
switch ($machine_type) {
case 'q35':
$gpuargs .= "<qemu:arg value='-device'/>
<qemu:arg value='vfio-pci,host={$gpu_bus}:{$gpu_slot}.{$gpu_function},bus=pcie.0,multifunction=on" . ((empty($gpuargs) && empty($vnc)) ? ',x-vga=on' : '') . "'/>";
$gpuargsdevs[$gpu['id']] = ""; // no address needed
break;
case 'pc':
$gpuargs .= "<qemu:arg value='-device'/>
<qemu:arg value='vfio-pci,host={$gpu_bus}:{$gpu_slot}.{$gpu_function},bus=root.1,addr=0{$gpuincr}.0,multifunction=on" . ((empty($gpuargs) && empty($vnc)) ? ',x-vga=on' : '') . "'/>";
$gpuargsdevs[$gpu['id']] = "0{$gpuincr}.0";
break;
}
}
$gpudevs[] = $gpu['id'];
$gpuincr++;
}
}
$audioargs='';
$audiodevs=[];
if (!empty($audios)) {
foreach ($audios as $i => $audio) {
if (empty($audio['id'])) {
continue;
}
// Skip duplicate audio devices
if (in_array($audio['id'], $audiodevs)) {
continue;
}
list($audio_bus, $audio_slot, $audio_function) = explode(":", str_replace('.', ':', $audio['id']));
if (!empty($domain['ovmf']) || empty($gpuargsdevs)) {
$pcidevs .= "<hostdev mode='subsystem' type='pci' managed='yes'>
<driver name='vfio'/>
<source>
<address domain='0x0000' bus='0x" . $audio_bus . "' slot='0x" . $audio_slot . "' function='0x" . $audio_function . "'/>
</source>
</hostdev>";
} else {
// VGA BIOS passthrough uses qemu args and we have to manage the device (libvirt wont attach/detach the device driver to vfio-pci)
switch ($machine_type) {
case 'q35':
$audioargs .= "<qemu:arg value='-device'/>
<qemu:arg value='vfio-pci,host={$audio_bus}:{$audio_slot}.{$audio_function},bus=pcie.0'/>";
break;
case 'pc':
// Look for video device and see if this sound device is a function of that video card
$addr = '';
if (isset($gpuargsdevs[$audio_bus . ':' . $audio_slot . '.0'])) {
$addr = str_replace('.0', '.' . $audio_function, $gpuargsdevs[$audio_bus . ':' . $audio_slot . '.0']);
} else {
$addr = "0" . $gpuincr++ . ".0";
}
$audioargs .= "<qemu:arg value='-device'/>
<qemu:arg value='vfio-pci,host={$audio_bus}:{$audio_slot}.{$audio_function},bus=root.1,addr=" . $addr . "'/>";
break;
}
}
$audiodevs[] = $audio['id'];
}
}
$cmdargs='';
if (!empty($gpuargs) || !empty($audioargs)) {
switch ($machine_type) {
case 'q35':
$cmdargs .= "<qemu:commandline>
<qemu:arg value='-device'/>
<qemu:arg value='ioh3420,bus=pcie.0,addr=1c.0,multifunction=on,port=2,chassis=1,id=root.1'/>
$gpuargs
$audioargs
</qemu:commandline>";
break;
case 'pc':
$cmdargs .= "<qemu:commandline>
<qemu:arg value='-device'/>
<qemu:arg value='ioh3420,bus=pci.0,addr=1c.0,multifunction=on,port=2,chassis=1,id=root.1'/>
$gpuargs
$audioargs
</qemu:commandline>";
break;
}
}
return "<domain type='$type' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>
<uuid>$uuid</uuid>
<name>$name</name>
<description>" . htmlspecialchars($domain['desc'], ENT_QUOTES | ENT_XML1) . "</description>
$metadata
<currentMemory>$mem</currentMemory>
<memory>$maxmem</memory>
<memoryBacking>
<nosharepages/>
<locked/>
</memoryBacking>
$cpustr
<os>
$loader
<type arch='$arch' machine='$machine'>hvm</type>
</os>
<features>
<acpi/>
<apic/>
$hyperv
$pae
</features>
$clock
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>restart</on_crash>
<devices>
<emulator>$emulator</emulator>
$diskstr
$mediastr
$driverstr
$ctrl
$sharestr
$netstr
$vnc
<console type='pty'/>
$pcidevs
$usbstr
<channel type='unix'>
<target type='virtio' name='org.qemu.guest_agent.0'/>
</channel>
<memballoon model='virtio'>
<alias name='balloon0'/>
</memballoon>
</devices>
$cmdargs
</domain>";
}
