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-rw-r--r--core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/App.java32
-rw-r--r--core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/cmdln/CommandLineArgs.java120
-rw-r--r--core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationSpecificQemuArchitecture.java27
-rw-r--r--core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationSpecificQemuGpuPassthroughNvidia.java179
-rw-r--r--core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/viewer/ViewerLookingGlassClient.java105
5 files changed, 399 insertions, 64 deletions
diff --git a/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/App.java b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/App.java
index a3e1c5b7..5ea7b720 100644
--- a/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/App.java
+++ b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/App.java
@@ -1,6 +1,7 @@
package org.openslx.runvirt.plugin.qemu;
import java.io.File;
+import java.util.Arrays;
import org.apache.log4j.BasicConfigurator;
import org.apache.log4j.LogManager;
@@ -29,6 +30,7 @@ import org.openslx.runvirt.plugin.qemu.virtualization.LibvirtHypervisorQemu;
import org.openslx.runvirt.plugin.qemu.virtualization.LibvirtHypervisorQemu.QemuSessionType;
import org.openslx.runvirt.viewer.Viewer;
import org.openslx.runvirt.viewer.ViewerException;
+import org.openslx.runvirt.viewer.ViewerLookingGlassClient;
import org.openslx.runvirt.viewer.ViewerVirtManager;
import org.openslx.runvirt.viewer.ViewerVirtViewer;
import org.openslx.runvirt.virtualization.LibvirtHypervisor;
@@ -185,12 +187,18 @@ public class App
// create specific viewer to display Libvirt VM
final Viewer vmViewer;
- if ( cmdLn.isDebugEnabled() ) {
- // create specific Virtual Machine Manager viewer if debug mode is enabled
- vmViewer = new ViewerVirtManager( vm, hypervisor );
+ if ( cmdLn.isNvidiaGpuPassthroughEnabled() ) {
+ // viewer for GPU passthrough (framebuffer access) is required
+ vmViewer = new ViewerLookingGlassClient( vm, hypervisor, cmdLn.isDebugEnabled() );
} else {
- // create Virtual Viewer if debug mode is disabled
- vmViewer = new ViewerVirtViewer( vm, hypervisor );
+ // viewer for non-GPU passthrough (no framebuffer access) is required
+ if ( cmdLn.isDebugEnabled() ) {
+ // create specific Virtual Machine Manager viewer if debug mode is enabled
+ vmViewer = new ViewerVirtManager( vm, hypervisor );
+ } else {
+ // create Virtual Viewer if debug mode is disabled
+ vmViewer = new ViewerVirtViewer( vm, hypervisor );
+ }
}
// display Libvirt VM with the specific viewer on the screen
@@ -258,16 +266,20 @@ public class App
for ( CmdLnOption option : CmdLnOption.values() ) {
final String paddedLongOption = String.format( "%-" + longOptionLengthMax + "s", option.getLongOption() );
- final String longOptionArgument;
+ String[] longOptionArguments;
// only request and log argument if option has an command line argument
- if ( option.hasArgument() ) {
- longOptionArgument = cmdLn.getArgument( option );
+ if ( option.getNumArguments() > 0 ) {
+ longOptionArguments = cmdLn.getArguments( option );
+
+ if ( longOptionArguments == null ) {
+ longOptionArguments = new String[] { "no argument specified" };
+ }
} else {
- longOptionArgument = new String( "[option has no argument]" );
+ longOptionArguments = new String[] { "option has no argument" };
}
- LOGGER.debug( "\t" + paddedLongOption + ": " + longOptionArgument );
+ LOGGER.debug( "\t" + paddedLongOption + ": " + Arrays.toString( longOptionArguments ) );
}
}
}
diff --git a/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/cmdln/CommandLineArgs.java b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/cmdln/CommandLineArgs.java
index 1fe342b1..589dd197 100644
--- a/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/cmdln/CommandLineArgs.java
+++ b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/cmdln/CommandLineArgs.java
@@ -1,9 +1,14 @@
package org.openslx.runvirt.plugin.qemu.cmdln;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.DefaultParser;
import org.apache.commons.cli.HelpFormatter;
+import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
@@ -71,8 +76,14 @@ public class CommandLineArgs
private void createCmdLnOptions()
{
for ( CmdLnOption option : CmdLnOption.values() ) {
- this.cmdLnOptions.addOption( option.getShortOption(), option.getLongOption(), option.hasArgument(),
- option.getDescription() );
+ final Option cmdlnOption;
+
+ final boolean hasArg = ( option.getNumArguments() > 0 ) ? true : false;
+ cmdlnOption = new Option( option.getShortOption(), option.getLongOption(), hasArg, option.getDescription() );
+ cmdlnOption.setValueSeparator( ',' );
+ cmdlnOption.setArgs( option.getNumArguments() );
+
+ this.cmdLnOptions.addOption( cmdlnOption );
}
}
@@ -118,6 +129,17 @@ public class CommandLineArgs
}
/**
+ * Returns the parsed arguments of the specified command line option.
+ *
+ * @param cmdLnOption command line option for that the parsed arguments should be returned.
+ * @return parsed argument of the command line option.
+ */
+ public String[] getArguments( CmdLnOption cmdLnOption )
+ {
+ return this.cmdLn.getOptionValues( cmdLnOption.getShortOption() );
+ }
+
+ /**
* Returns the presence of the command line option {@link CmdLnOption#HELP}.
*
* @return presence of the command line option {@link CmdLnOption#HELP}.
@@ -346,6 +368,35 @@ public class CommandLineArgs
}
/**
+ * Returns the argument of the command line option {@link CmdLnOption#VM_NVGPUIDS0}.
+ *
+ * @return argument of the command line option {@link CmdLnOption#VM_NVGPUIDS0}.
+ */
+ public List<String> getVmNvGpuIds0()
+ {
+ final String[] nvidiaPciIdsRaw = this.getArguments( CmdLnOption.VM_NVGPUIDS0 );
+ final ArrayList<String> nvidiaPciIds;
+
+ if ( nvidiaPciIdsRaw == null || nvidiaPciIdsRaw.length <= 0 ) {
+ nvidiaPciIds = new ArrayList<String>();
+ } else {
+ nvidiaPciIds = new ArrayList<String>( Arrays.asList( nvidiaPciIdsRaw ) );
+ }
+
+ return nvidiaPciIds;
+ }
+
+ /**
+ * Returns the state whether a passthrough of a NVIDIA GPU is required.
+ *
+ * @return state whether a passthrough of a NVIDIA GPU is required.
+ */
+ public boolean isNvidiaGpuPassthroughEnabled()
+ {
+ return this.getVmNvGpuIds0().size() > 0;
+ }
+
+ /**
* Command line options for the run-virt QEMU plugin (command line tool).
*
* @author Manuel Bentele
@@ -354,28 +405,31 @@ public class CommandLineArgs
public enum CmdLnOption
{
// @formatter:off
- HELP ( 'h', "help", false, "" ),
- DEBUG ( 'b', "debug", true, "Enable or disable debug mode" ),
- VM_CFGINP ( 'i', "vmcfginp", true, "File name of an existing and filtered Libvirt domain XML configuration file" ),
- VM_CFGOUT ( 'o', "vmcfgout", true, "File name to output a finalized Libvirt domain XML configuration file" ),
- VM_NAME ( 'n', "vmname", true, "Name for the virtual machine" ),
- VM_UUID ( 'u', "vmuuid", true, "UUID for the virtual machine" ),
- VM_DSPLNAME ( 'd', "vmdsplname", true, "Display name for the virtual machine" ),
- VM_OS ( 's', "vmos", true, "Operating system running in the virtual machine" ),
- VM_NCPUS ( 'c', "vmncpus", true, "Number of virtual CPUs for the virtual machine" ),
- VM_MEM ( 'm', "vmmem", true, "Amount of memory for the virtual machine" ),
- VM_HDD0 ( 'r', "vmhdd0", true, "Disk image for the first HDD device" ),
- VM_FLOPPY0 ( 'f', "vmfloppy0", true, "Disk image for the first floppy drive" ),
- VM_FLOPPY1 ( 'g', "vmfloppy1", true, "Disk image for the second floppy drive" ),
- VM_CDROM0 ( 'k', "vmcdrom0", true, "Disk image for the first CDROM drive" ),
- VM_CDROM1 ( 'l', "vmcdrom1", true, "Disk image for the second CDROM drive" ),
- VM_PARALLEL0( 'p', "vmparallel0", true, "Device for the first parallel port interface" ),
- VM_SERIAL0 ( 'q', "vmserial0", true, "Device for the first serial port interface" ),
- VM_MAC0 ( 'a', "vmmac0", true, "MAC address for the first network interface" ),
- VM_FSSRC0 ( 't', "vmfssrc0", true, "Source directory for first file system passthrough (shared folder)" ),
- VM_FSTGT0 ( 'e', "vmfstgt0", true, "Target directory for first file system passthrough (shared folder)" ),
- VM_FSSRC1 ( 'v', "vmfssrc1", true, "Source directory for second file system passthrough (shared folder)" ),
- VM_FSTGT1 ( 'w', "vmfstgt1", true, "Target directory for second file system passthrough (shared folder)" );
+ HELP ( 'h', "help", 0, "" ),
+ DEBUG ( 'b', "debug", 1, "Enable or disable debug mode" ),
+ VM_CFGINP ( 'i', "vmcfginp", 1, "File name of an existing and filtered Libvirt domain XML configuration file" ),
+ VM_CFGOUT ( 'o', "vmcfgout", 1, "File name to output a finalized Libvirt domain XML configuration file" ),
+ VM_NAME ( 'n', "vmname", 1, "Name for the virtual machine" ),
+ VM_UUID ( 'u', "vmuuid", 1, "UUID for the virtual machine" ),
+ VM_DSPLNAME ( 'd', "vmdsplname", 1, "Display name for the virtual machine" ),
+ VM_OS ( 's', "vmos", 1, "Operating system running in the virtual machine" ),
+ VM_NCPUS ( 'c', "vmncpus", 1, "Number of virtual CPUs for the virtual machine" ),
+ VM_MEM ( 'm', "vmmem", 1, "Amount of memory for the virtual machine" ),
+ VM_HDD0 ( 'r', "vmhdd0", 1, "Disk image for the first HDD device" ),
+ VM_FLOPPY0 ( 'f', "vmfloppy0", 1, "Disk image for the first floppy drive" ),
+ VM_FLOPPY1 ( 'g', "vmfloppy1", 1, "Disk image for the second floppy drive" ),
+ VM_CDROM0 ( 'k', "vmcdrom0", 1, "Disk image for the first CDROM drive" ),
+ VM_CDROM1 ( 'l', "vmcdrom1", 1, "Disk image for the second CDROM drive" ),
+ VM_PARALLEL0( 'p', "vmparallel0", 1, "Device for the first parallel port interface" ),
+ VM_SERIAL0 ( 'q', "vmserial0", 1, "Device for the first serial port interface" ),
+ VM_MAC0 ( 'a', "vmmac0", 1, "MAC address for the first network interface" ),
+ VM_FSSRC0 ( 't', "vmfssrc0", 1, "Source directory for first file system passthrough (shared folder)" ),
+ VM_FSTGT0 ( 'e', "vmfstgt0", 1, "Target directory for first file system passthrough (shared folder)" ),
+ VM_FSSRC1 ( 'v', "vmfssrc1", 1, "Source directory for second file system passthrough (shared folder)" ),
+ VM_FSTGT1 ( 'w', "vmfstgt1", 1, "Target directory for second file system passthrough (shared folder)" ),
+ VM_NVGPUIDS0( 'y', "vmnvgpuids0", 2, "PCI device description and address for passthrough of the first Nvidia GPU. " +
+ "The argument follow the pattern: " +
+ "\"<VENDOR ID>:<PRODUCT ID>,<PCI DOMAIN>:<PCI DEVICE>:<PCI DEVICE>.<PCI FUNCTION>\"" );
// @formatter:on
/**
@@ -389,9 +443,9 @@ public class CommandLineArgs
private final String longOption;
/**
- * Stores the presence of an argument for the command line option.
+ * Stores the number of arguments for the command line option.
*/
- private final boolean hasArgument;
+ private final int numArguments;
/**
* Stores the textual description of the command line option.
@@ -403,14 +457,14 @@ public class CommandLineArgs
*
* @param shortOption {@link Character} for the short command line option.
* @param longOption {@link String} for the long command line option.
- * @param hasArgument presence of an argument for the command line option.
+ * @param numArguments number of arguments for the command line option.
* @param description textual description of the command line option.
*/
- CmdLnOption( char shortOption, String longOption, boolean hasArgument, String description )
+ CmdLnOption( char shortOption, String longOption, int numArguments, String description )
{
this.shortOption = shortOption;
this.longOption = longOption;
- this.hasArgument = hasArgument;
+ this.numArguments = numArguments;
this.description = description;
}
@@ -435,13 +489,13 @@ public class CommandLineArgs
}
/**
- * Returns the presence of an argument for the command line option.
+ * Returns the number of arguments for the command line option.
*
- * @return presence of an argument for the command line option.
+ * @return number of arguments for the command line option.
*/
- public boolean hasArgument()
+ public int getNumArguments()
{
- return this.hasArgument;
+ return this.numArguments;
}
/**
diff --git a/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationSpecificQemuArchitecture.java b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationSpecificQemuArchitecture.java
index f507237d..a51c829d 100644
--- a/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationSpecificQemuArchitecture.java
+++ b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationSpecificQemuArchitecture.java
@@ -30,14 +30,6 @@ public class TransformationSpecificQemuArchitecture
private static final String NAME = "QEMU Architecture [CPU architecture, machine type, ...]";
/**
- * Capabilities of the Libvirt/QEMU hypervisor.
- *
- * @implNote This field is used as an instance of a singelton. Please always use
- * {@link #getCapabilities()} to retrieve the {@code capabilities} instance.
- */
- private Capabilities capabilities = null;
-
- /**
* Creates a new architecture transformation for Libvirt/QEMU virtualization configurations.
*
* @param hypervisor Libvirt/QEMU hypervisor.
@@ -70,18 +62,17 @@ public class TransformationSpecificQemuArchitecture
*/
protected Capabilities getCapabilities() throws TransformationException
{
- // retrieve capabilities from QEMU hypervisor only once
- if ( this.capabilities == null ) {
- try {
- this.capabilities = this.getVirtualizer().getCapabilites();
- } catch ( LibvirtHypervisorException e ) {
- final String errorMsg = new String(
- "Failed to get host capabilities from QEMU virtualizer: " + e.getLocalizedMessage() );
- throw new TransformationException( errorMsg );
- }
+ final Capabilities capabilities;
+
+ try {
+ capabilities = this.getVirtualizer().getCapabilites();
+ } catch ( LibvirtHypervisorException e ) {
+ final String errorMsg = new String(
+ "Failed to retrieve host capabilities from QEMU virtualizer: " + e.getLocalizedMessage() );
+ throw new TransformationException( errorMsg );
}
- return this.capabilities;
+ return capabilities;
}
/**
diff --git a/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationSpecificQemuGpuPassthroughNvidia.java b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationSpecificQemuGpuPassthroughNvidia.java
index c41f989c..a22bf027 100644
--- a/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationSpecificQemuGpuPassthroughNvidia.java
+++ b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/plugin/qemu/configuration/TransformationSpecificQemuGpuPassthroughNvidia.java
@@ -1,8 +1,19 @@
package org.openslx.runvirt.plugin.qemu.configuration;
+import java.math.BigInteger;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.openslx.libvirt.capabilities.Capabilities;
import org.openslx.libvirt.domain.Domain;
+import org.openslx.libvirt.domain.device.HostdevPci;
+import org.openslx.libvirt.domain.device.HostdevPciDeviceAddress;
+import org.openslx.libvirt.domain.device.HostdevPciDeviceDescription;
+import org.openslx.libvirt.domain.device.Shmem;
+import org.openslx.libvirt.domain.device.Video;
import org.openslx.runvirt.plugin.qemu.cmdln.CommandLineArgs;
import org.openslx.runvirt.plugin.qemu.virtualization.LibvirtHypervisorQemu;
+import org.openslx.runvirt.virtualization.LibvirtHypervisorException;
import org.openslx.virtualization.configuration.transformation.TransformationException;
import org.openslx.virtualization.configuration.transformation.TransformationSpecific;
@@ -21,6 +32,31 @@ public class TransformationSpecificQemuGpuPassthroughNvidia
private static final String NAME = "QEMU GPU passthrough [Nvidia]";
/**
+ * Vendor identifier of PCI devices from Nvidia.
+ */
+ private static final int NVIDIA_PCI_VENDOR_ID = 0x10de;
+
+ /**
+ * Vendor identifier of the Hyper-V enlightenment for hypervisor shadowing.
+ */
+ public static final String HYPERV_VENDOR_ID = "62776c706277";
+
+ /**
+ * Maximum width in pixel of the GPU passthrough rendered display.
+ */
+ private static final long MAX_DISPLAY_WIDTH = 2560;
+
+ /**
+ * Maximum height in pixel of the GPU passthrough rendered display.
+ */
+ private static final long MAX_DISPLAY_HEIGHT = 1440;
+
+ /**
+ * Reserved memory for framebuffer meta data of the Looking Glass shared memory device in MiB.
+ */
+ private static final long RESERVED_MEMORY_FRAMEBUFFER = 10;
+
+ /**
* Creates a new Nvidia GPU passthrough transformation for Libvirt/QEMU virtualization
* configurations.
*
@@ -32,6 +68,63 @@ public class TransformationSpecificQemuGpuPassthroughNvidia
}
/**
+ * Validates a PCI device description and address of a PCI device from a Nvidia GPU and parses
+ * the validated PCI device addresses.
+ *
+ * @param pciIds textual PCI device description and address to be validated.
+ *
+ * @return list of validated and parsed PCI device addresses for a NVIDIA GPU passthrough.
+ *
+ * @throws TransformationException validation of PCI device description and address failed.
+ */
+ private static List<HostdevPciDeviceAddress> validateParseNvidiaPciIds( List<String> pciIds )
+ throws TransformationException
+ {
+ final List<HostdevPciDeviceAddress> parsedPciAddresses = new ArrayList<HostdevPciDeviceAddress>();
+
+ if ( pciIds != null && pciIds.size() > 0 ) {
+ // abort if arguments do not follow the pattern:
+ //
+ // [0]: <VENDOR ID 0>:<DEVICE ID 0>
+ // [1]: <PCI DOMAIN 0>:<PCI BUS 0>:<PCI DEVICE 0>.<PCI FUNCTION 0>
+ // [2]: <VENDOR ID 1>:<DEVICE ID 1>
+ // [3]: <PCI DOMAIN 1>:<PCI BUS 1>:<PCI DEVICE 1>.<PCI FUNCTION 1>
+ // ...
+ //
+ if ( pciIds.size() % 2 != 0 ) {
+ throw new TransformationException(
+ "Arguments of PCI IDs are not follow the pattern for a GPU passthrough!" );
+ }
+
+ // parse PCI device description and PCI device address
+ for ( int i = 0; i < pciIds.size(); i += 2 ) {
+ // parse vendor and device ID
+ HostdevPciDeviceDescription deviceDescription = null;
+ try {
+ deviceDescription = HostdevPciDeviceDescription.valueOf( pciIds.get( i ) );
+ } catch ( IllegalArgumentException e ) {
+ throw new TransformationException( "Invalid vendor or device ID of the PCI device description!" );
+ }
+
+ // validate vendor ID
+ final int vendorId = deviceDescription.getVendorId();
+ if ( TransformationSpecificQemuGpuPassthroughNvidia.NVIDIA_PCI_VENDOR_ID != vendorId ) {
+ final String errorMsg = "Vendor ID '" + vendorId + "' of the PCI device is not from Nvidia!";
+ throw new TransformationException( errorMsg );
+ }
+
+ // parse PCI domain, PCI bus, PCI device and PCI function
+ final HostdevPciDeviceAddress parsedPciAddress = HostdevPciDeviceAddress.valueOf( pciIds.get( i + 1 ) );
+ if ( parsedPciAddress != null ) {
+ parsedPciAddresses.add( parsedPciAddress );
+ }
+ }
+ }
+
+ return parsedPciAddresses;
+ }
+
+ /**
* Validates a virtualization configuration and input arguments for this transformation.
*
* @param config virtualization configuration for the validation.
@@ -43,6 +136,55 @@ public class TransformationSpecificQemuGpuPassthroughNvidia
if ( config == null || args == null ) {
throw new TransformationException( "Virtualization configuration or input arguments are missing!" );
}
+
+ TransformationSpecificQemuGpuPassthroughNvidia.validateParseNvidiaPciIds( args.getVmNvGpuIds0() );
+ }
+
+ /**
+ * Queries and returns the capabilities of the Libvirt/QEMU hypervisor.
+ *
+ * @return capabilities of the Libvirt/QEMU hypervisor.
+ * @throws TransformationException failed to query and return the capabilities of the
+ * Libvirt/QEMU hypervisor.
+ */
+ protected Capabilities getCapabilities() throws TransformationException
+ {
+ Capabilities capabilities = null;
+
+ try {
+ capabilities = this.getVirtualizer().getCapabilites();
+ } catch ( LibvirtHypervisorException e ) {
+ final String errorMsg = new String(
+ "Failed to retrieve host capabilities from QEMU virtualizer: " + e.getLocalizedMessage() );
+ throw new TransformationException( errorMsg );
+ }
+
+ return capabilities;
+ }
+
+ private static BigInteger roundToNearestPowerOf2( BigInteger value )
+ {
+ BigInteger k = BigInteger.valueOf( 1 );
+
+ while ( k.compareTo( value ) == -1 ) {
+ k = k.multiply( BigInteger.valueOf( 2 ) );
+ }
+
+ return k;
+ }
+
+ /**
+ * Calculates the framebuffer memory size for the Looking Glass shared memory device.
+ *
+ * @return framebuffer memory size in bytes for the Looking Glass shared memory device.
+ */
+ private static BigInteger calculateFramebufferSize()
+ {
+ final long totalBytesFramebuffer = MAX_DISPLAY_WIDTH * MAX_DISPLAY_HEIGHT * 4 * 2;
+ final long totalBytesReserved = RESERVED_MEMORY_FRAMEBUFFER * 1048576;
+
+ // round sum of total memory in bytes to nearest power of two
+ return roundToNearestPowerOf2( BigInteger.valueOf( totalBytesFramebuffer + totalBytesReserved ) );
}
@Override
@@ -51,9 +193,40 @@ public class TransformationSpecificQemuGpuPassthroughNvidia
// validate configuration and input arguments
this.validateInputs( config, args );
- // check if IOMMU support is available on the host
+ // check if passthrough of Nvidia GPU takes place
+ if ( args.isNvidiaGpuPassthroughEnabled() ) {
+ // validate submitted PCI IDs
+ final List<HostdevPciDeviceAddress> pciDeviceAddresses = TransformationSpecificQemuGpuPassthroughNvidia
+ .validateParseNvidiaPciIds( args.getVmNvGpuIds0() );
+
+ // check if IOMMU support is available on the host
+ if ( !this.getCapabilities().hasHostIommuSupport() ) {
+ final String errorMsg = "IOMMU support is not available on the hypervisor but required for GPU passthrough!";
+ throw new TransformationException( errorMsg );
+ }
+
+ // passthrough PCI devices of the GPU
+ for ( final HostdevPciDeviceAddress pciDeviceAddress : pciDeviceAddresses ) {
+ final HostdevPci pciDevice = config.addHostdevPciDevice();
+ pciDevice.setManaged( true );
+ pciDevice.setSource( pciDeviceAddress );
+ }
- // TODO: implement Nvidia hypervisor shadowing
- // call this filter at the end, since -> override of software graphics to 'none' necessary
+ // add shared memory device for Looking Glass
+ final Shmem shmemDevice = config.addShmemDevice();
+ shmemDevice.setName( "looking-glass" );
+ shmemDevice.setModel( Shmem.Model.IVSHMEM_PLAIN );
+ shmemDevice.setSize( TransformationSpecificQemuGpuPassthroughNvidia.calculateFramebufferSize() );
+
+ // enable hypervisor shadowing to avoid error code 43 of Nvidia drivers in virtual machines
+ config.setFeatureHypervVendorIdValue( TransformationSpecificQemuGpuPassthroughNvidia.HYPERV_VENDOR_ID );
+ config.setFeatureHypervVendorIdState( true );
+ config.setFeatureKvmHiddenState( true );
+
+ // disable all software video devices by disable them
+ for ( Video videoDevice : config.getVideoDevices() ) {
+ videoDevice.disable();
+ }
+ }
}
}
diff --git a/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/viewer/ViewerLookingGlassClient.java b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/viewer/ViewerLookingGlassClient.java
new file mode 100644
index 00000000..cea9ccd8
--- /dev/null
+++ b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/viewer/ViewerLookingGlassClient.java
@@ -0,0 +1,105 @@
+package org.openslx.runvirt.viewer;
+
+import org.openslx.runvirt.virtualization.LibvirtHypervisor;
+import org.openslx.runvirt.virtualization.LibvirtVirtualMachine;
+import org.openslx.virtualization.Version;
+
+/**
+ * Looking Glass Client to view the exposed framebuffer (through a shared memory) of a virtual
+ * machine running the Looking Glass Host application.
+ *
+ * @author Manuel Bentele
+ * @version 1.0
+ */
+public class ViewerLookingGlassClient extends Viewer
+{
+ /**
+ * Name of the Looking Glass Client program.
+ */
+ private final static String NAME = "looking-glass-client";
+
+ /**
+ * Maximum number of supported displays by the Looking Glass Client.
+ */
+ private final static int NUM_SUPPORTED_DISPLAYS = 1;
+
+ /**
+ * File name of the shared memory file to receive display content from the Looking Glass Host.
+ */
+ private final static String SHARED_MEMORY_FILENAME = "/dev/shm/looking-glass";
+
+ /**
+ * State whether showing debug information during virtual machine rendering or not.
+ */
+ private final boolean debug;
+
+ /**
+ * Creates a new Looking Glass Client for a Libvirt virtual machine running on a Libvirt
+ * hypervisor.
+ *
+ * @param machine virtual machine to display.
+ * @param hypervisor remote (hypervisor) endpoint for the viewer to connect to.
+ */
+ public ViewerLookingGlassClient( LibvirtVirtualMachine machine, LibvirtHypervisor hypervisor )
+ {
+ this( machine, hypervisor, false );
+ }
+
+ /**
+ * Creates a new Looking Glass Client for a Libvirt virtual machine running on a Libvirt
+ * hypervisor.
+ *
+ * @param machine virtual machine to display.
+ * @param hypervisor remote (hypervisor) endpoint for the viewer to connect to.
+ * @param debug state whether showing debug information during virtual machine rendering or not.
+ */
+ public ViewerLookingGlassClient( LibvirtVirtualMachine machine, LibvirtHypervisor hypervisor, boolean debug )
+ {
+ super( ViewerLookingGlassClient.NAME, ViewerLookingGlassClient.NUM_SUPPORTED_DISPLAYS, machine, hypervisor );
+
+ this.debug = debug;
+ }
+
+ /**
+ * Returns the state whether showing debug information during virtual machine rendering or not.
+ *
+ * @return state whether showing debug information during virtual machine rendering or not.
+ */
+ public boolean isDebugEnabled()
+ {
+ return this.debug;
+ }
+
+ @Override
+ public Version getVersion() throws ViewerException
+ {
+ return null;
+ }
+
+ @Override
+ public void render() throws ViewerException
+ {
+ // execute viewer process with arguments:
+ // in non-debug mode:
+ // "looking-glass-client app:shmFile=<SHARED-MEM-FILE> win:fullScreen=yes spice:enable=yes win:alerts=no"
+ // in debug mode:
+ // "looking-glass-client app:shmFile=<SHARED-MEM-FILE> win:fullScreen=yes spice:enable=yes win:alerts=yes win:showFPS=yes"
+ final String[] viewerParameters;
+ if ( this.isDebugEnabled() ) {
+ viewerParameters = new String[] {
+ "app:shmFile=" + ViewerLookingGlassClient.SHARED_MEMORY_FILENAME,
+ "win:fullScreen=yes",
+ "spice:enable=yes",
+ "win:alerts=no" };
+ } else {
+ viewerParameters = new String[] {
+ "app:shmFile=" + ViewerLookingGlassClient.SHARED_MEMORY_FILENAME,
+ "win:fullScreen=yes",
+ "spice:enable=yes",
+ "win:alerts=yes",
+ "win:showFPS=yes" };
+ }
+
+ ViewerUtils.executeViewer( ViewerLookingGlassClient.NAME, viewerParameters );
+ }
+}