summaryrefslogtreecommitdiffstats
path: root/src/main/java
diff options
context:
space:
mode:
authorSimon Rettberg2023-02-01 13:56:00 +0100
committerSimon Rettberg2023-02-01 13:56:00 +0100
commitfc2251a03530ff5a6be659c081873ae0ad7dfc27 (patch)
tree391d49882f806882f237543fd281d029b2e2d15c /src/main/java
parentUpdate libvirt rng files (diff)
downloadmaster-sync-shared-fc2251a03530ff5a6be659c081873ae0ad7dfc27.tar.gz
master-sync-shared-fc2251a03530ff5a6be659c081873ae0ad7dfc27.tar.xz
master-sync-shared-fc2251a03530ff5a6be659c081873ae0ad7dfc27.zip
[libvirt] Add method to add GVT-g override data
Diffstat (limited to 'src/main/java')
-rw-r--r--src/main/java/org/openslx/libvirt/domain/Domain.java59
-rw-r--r--src/main/java/org/openslx/util/XmlHelper.java40
2 files changed, 98 insertions, 1 deletions
diff --git a/src/main/java/org/openslx/libvirt/domain/Domain.java b/src/main/java/org/openslx/libvirt/domain/Domain.java
index ca10261..be49e1e 100644
--- a/src/main/java/org/openslx/libvirt/domain/Domain.java
+++ b/src/main/java/org/openslx/libvirt/domain/Domain.java
@@ -10,7 +10,6 @@ import java.util.stream.Collectors;
import javax.xml.XMLConstants;
-import org.openslx.libvirt.domain.device.Device;
import org.openslx.libvirt.domain.device.Controller;
import org.openslx.libvirt.domain.device.ControllerFloppy;
import org.openslx.libvirt.domain.device.ControllerIde;
@@ -18,6 +17,7 @@ import org.openslx.libvirt.domain.device.ControllerPci;
import org.openslx.libvirt.domain.device.ControllerSata;
import org.openslx.libvirt.domain.device.ControllerScsi;
import org.openslx.libvirt.domain.device.ControllerUsb;
+import org.openslx.libvirt.domain.device.Device;
import org.openslx.libvirt.domain.device.Disk;
import org.openslx.libvirt.domain.device.DiskCdrom;
import org.openslx.libvirt.domain.device.DiskFloppy;
@@ -44,10 +44,13 @@ import org.openslx.libvirt.xml.LibvirtXmlNode;
import org.openslx.libvirt.xml.LibvirtXmlResources;
import org.openslx.libvirt.xml.LibvirtXmlSerializationException;
import org.openslx.libvirt.xml.LibvirtXmlValidationException;
+import org.openslx.util.XmlHelper;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
+import org.w3c.dom.ls.DOMImplementationLS;
+import org.w3c.dom.ls.LSSerializer;
import org.xml.sax.InputSource;
/**
@@ -1544,6 +1547,60 @@ public class Domain extends LibvirtXmlDocument
qemuCmdlnElement.appendChild( qemuCmdlnArgElement );
}
+ public void addGvtg( String optionalRomfile )
+ {
+ final Element rootElement = Element.class.cast( this.getRootXmlNode().getXmlBaseNode() );
+ final Document xmlDocument = this.getRootXmlNode().getXmlDocument();
+ final Element qemuOverrideElement;
+
+ final NodeList qemuCmdlnNodes = rootElement.getElementsByTagNameNS( XMLNS_QEMU_NS_URI, "override" );
+ if ( qemuCmdlnNodes.getLength() < 1 ) {
+ // add missing <domain xmlns:qemu="..."> namespace attribute
+ rootElement.setAttributeNS( XMLConstants.XMLNS_ATTRIBUTE_NS_URI,
+ XMLConstants.XMLNS_ATTRIBUTE + ":" + XMLNS_QEMU_NS_PREFIX, XMLNS_QEMU_NS_URI );
+ // add missing <qemu:override> element
+ qemuOverrideElement = xmlDocument.createElementNS( XMLNS_QEMU_NS_URI, "override" );
+ qemuOverrideElement.setPrefix( XMLNS_QEMU_NS_PREFIX );
+ rootElement.appendChild( qemuOverrideElement );
+ } else {
+ // use available <qemu:override> element
+ final Node qemuOverrideNode = qemuCmdlnNodes.item( 0 );
+ assert ( qemuOverrideNode.getNodeType() == Node.ELEMENT_NODE );
+ qemuOverrideElement = Element.class.cast( qemuOverrideNode );
+ }
+
+ // Get device subnode
+ Element qemuDeviceElement = XmlHelper.getOrCreateElement( xmlDocument, qemuOverrideElement,
+ XMLNS_QEMU_NS_URI, XMLNS_QEMU_NS_PREFIX, "device", "alias", "hostdev0" );
+ //
+ DOMImplementationLS domImplLS = (DOMImplementationLS)xmlDocument.getImplementation();
+ LSSerializer serializer = domImplLS.createLSSerializer();
+ String str = serializer.writeToString( qemuOverrideElement );
+ //
+ Element qemuFrontendElement = XmlHelper.getOrCreateElement( xmlDocument, qemuDeviceElement,
+ XMLNS_QEMU_NS_URI, XMLNS_QEMU_NS_PREFIX, "frontend", null, null );
+ // Properties
+ Element prop;
+ prop = XmlHelper.getOrCreateElement( xmlDocument, qemuFrontendElement,
+ XMLNS_QEMU_NS_URI, XMLNS_QEMU_NS_PREFIX, "property", "name", "x-igd-opregion" );
+ prop.setAttribute( "type", "bool" );
+ prop.setAttribute( "value", "true" );
+ prop = XmlHelper.getOrCreateElement( xmlDocument, qemuFrontendElement,
+ XMLNS_QEMU_NS_URI, XMLNS_QEMU_NS_PREFIX, "property", "name", "driver" );
+ prop.setAttribute( "type", "string" );
+ prop.setAttribute( "value", "vfio-pci-nohotplug" );
+ prop = XmlHelper.getOrCreateElement( xmlDocument, qemuFrontendElement,
+ XMLNS_QEMU_NS_URI, XMLNS_QEMU_NS_PREFIX, "property", "name", "ramfb" );
+ prop.setAttribute( "type", "bool" );
+ prop.setAttribute( "value", "true" );
+ if ( optionalRomfile != null ) {
+ prop = XmlHelper.getOrCreateElement( xmlDocument, qemuFrontendElement,
+ XMLNS_QEMU_NS_URI, XMLNS_QEMU_NS_PREFIX, "property", "name", "romfile" );
+ prop.setAttribute( "type", "string" );
+ prop.setAttribute( "value", optionalRomfile );
+ }
+ }
+
/**
* Removes boot oder entries in the Libvirt domain XML document.
*/
diff --git a/src/main/java/org/openslx/util/XmlHelper.java b/src/main/java/org/openslx/util/XmlHelper.java
index e3607d9..f9366e0 100644
--- a/src/main/java/org/openslx/util/XmlHelper.java
+++ b/src/main/java/org/openslx/util/XmlHelper.java
@@ -22,7 +22,9 @@ import javax.xml.xpath.XPathFactory;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
+import org.w3c.dom.Attr;
import org.w3c.dom.Document;
+import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
@@ -157,4 +159,42 @@ public class XmlHelper
return null;
}
}
+
+ public static Element getOrCreateElement( Document doc, Element parent, String nsUri, String nsName,
+ String name, String attrName, String attrValue )
+ {
+ final NodeList childList = parent.getElementsByTagNameNS( nsUri, name );
+ Element element = null;
+ outer: for ( int i = 0; i < childList.getLength(); ++i ) {
+ Node n = childList.item( i );
+ if ( n.getNodeType() != Node.ELEMENT_NODE )
+ continue;
+ if ( attrName != null && attrValue != null ) {
+ for ( int ai = 0; ai < n.getAttributes().getLength(); ++ai ) {
+ Node attr = n.getAttributes().item( ai );
+ if ( attr.getNodeType() != Attr.ELEMENT_NODE )
+ continue;
+ Attr a = (Attr)attr;
+ if ( !attrName.equals( a.getLocalName() ) || !attrValue.equals( a.getValue() ) )
+ continue;
+ element = (Element)n;
+ break outer;
+ }
+ } else {
+ element = (Element)n;
+ break;
+ }
+ }
+ if ( element == null ) {
+ // Need a new <qemu:device alias="hostdev0">
+ element = doc.createElementNS( nsUri, name );
+ element.setPrefix( nsName );
+ if ( attrName != null && attrValue != null ) {
+ element.setAttribute( attrName, attrValue );
+ }
+ parent.appendChild( element );
+ }
+ return element;
+ }
+
}