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package org.openslx.libvirt.domain.device;
import org.openslx.libvirt.xml.LibvirtXmlNode;
/**
* A hostdev mediated device node in a Libvirt domain XML document for mediated device passthrough.
*
* @author Manuel Bentele
* @version 1.0
*/
public class HostdevMdev extends Hostdev implements HostdevAddressableSource<HostdevMdevDeviceAddress>
{
/**
* Creates an empty hostdev mediated device.
*/
public HostdevMdev()
{
super();
}
/**
* Creates a hostdev mediated device representing an existing Libvirt XML hostdev mediated device
* element.
*
* @param xmlNode existing Libvirt XML hostdev mediated device element.
*/
public HostdevMdev( LibvirtXmlNode xmlNode )
{
super( xmlNode );
}
/**
* Checks whether the hostdev mediated device display is on or off.
*
* @return state whether the hostdev mediated device display is on or off.
*/
public boolean isDisplayOn()
{
return this.getXmlElementAttributeValueAsBool( "display" );
}
/**
* Sets the state of the hostdev mediated device display.
*
* @param on state whether the hostdev mediated device display is on or off.
*/
public void setDisplayOn( boolean on )
{
this.setXmlElementAttributeValueOnOff( "display", on );
}
/**
* Checks whether the hostdev mediated device memory framebuffer is on or off.
*
* @return state whether the hostdev mediated device memory framebuffer is on or off.
*/
public boolean isMemoryFramebufferOn()
{
return this.getXmlElementAttributeValueAsBool( "ramfb" );
}
/**
* Sets the state of the hostdev mediated device memory framebuffer.
*
* @param on state whether the hostdev mediated device memory framebuffer is on or off.
*/
public void setMemoryFramebufferOn( boolean on )
{
this.setXmlElementAttributeValueOnOff( "ramfb", on );
}
/**
* Returns the hostdev mediated device model.
*
* @return hostdev mediated device model.
*/
public Model getModel()
{
final String model = this.getXmlElementAttributeValue( "model" );
return Model.fromString( model );
}
/**
* Sets the hostdev mediated device model.
*
* @param model hostdev mediated device model that is set.
*/
public void setModel( Model model )
{
this.setXmlElementAttributeValue( "model", model.toString() );
}
@Override
public HostdevMdevDeviceAddress getSource()
{
final String mdevDeviceAddress = this.getXmlElementAttributeValue( "source/address", "uuid" );
return HostdevMdevDeviceAddress.valueOf( mdevDeviceAddress );
}
@Override
public void setSource( HostdevMdevDeviceAddress source )
{
this.setXmlElementAttributeValue( "source/address", "uuid", source.getDeviceAddressAsString() );
}
/**
* Creates a non-existent hostdev mediated device as Libvirt XML device element.
*
* @param xmlNode Libvirt XML node of the Libvirt XML device that is created.
* @return created hostdev mediated device instance.
*/
public static HostdevMdev createInstance( LibvirtXmlNode xmlNode )
{
return HostdevMdev.newInstance( xmlNode );
}
/**
* Creates a hostdev mediated device representing an existing Libvirt XML hostdev mediated device
* element.
*
* @param xmlNode existing Libvirt XML hostdev mediated device element.
* @return hostdev mediated device instance.
*/
public static HostdevMdev newInstance( LibvirtXmlNode xmlNode )
{
return new HostdevMdev( xmlNode );
}
/**
* Model for hostdev mediated device passthrough.
*
* @author Manuel Bentele
* @version 1.0
*/
public enum Model
{
// @formatter:off
VFIO_PCI( "vfio-pci" ),
VFIO_CCW( "vfio-ccw" ),
VFIO_AP ( "vfio-ap" );
// @formatter:on
/**
* Name of the hostdev mediated device model.
*/
private String model = null;
/**
* Creates hostdev mediated device model.
*
* @param type valid name of the hostdev mediated device model in a Libvirt domain XML
* document.
*/
Model( String model )
{
this.model = model;
}
@Override
public String toString()
{
return this.model;
}
/**
* Creates hostdev mediated device model from its name with error check.
*
* @param model name of the hostdev mediated device model in a Libvirt domain XML document.
* @return valid hostdev mediated device model.
*/
public static Model fromString( String model )
{
for ( Model m : Model.values() ) {
if ( m.model.equalsIgnoreCase( model ) ) {
return m;
}
}
return null;
}
}
}
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