Hypervisor support
This page documents which libvirt calls work on which hypervisors.
This information changes frequently. This page was last checked or updated on 2007-08-20.
Domain functions
x = not supported; empty cell means no information
| Function | Since | Xen | QEMU | KVM | Remote |
|---|---|---|---|---|---|
| virConnectClose | All | All | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virConnectGetCapabilities | 0.2.1 | ≥ 0.2.1 | ≥ 0.2.1 | ≥ 0.2.1 | ≥ 0.3.0 |
| virConnectGetHostname | 0.3.0 | ≥ 0.3.0 | ≥ 0.3.3 | ≥ 0.3.3 | ≥ 0.3.0 |
| virConnectGetMaxVcpus | 0.2.1 | ≥ 0.2.1 | x | x | ≥ 0.3.0 |
| virConnectGetType | All | All | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virConnectGetURI | 0.3.0 | ≥ 0.3.0 | ≥ 0.3.0 | ≥ 0.3.0 | ≥ 0.3.0 |
| virConnectGetVersion | All | All | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virConnectListDefinedDomains | 0.1.5 | ≥ 0.1.9 | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virConnectListDomains | All | All | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virConnectNumOfDefinedDomains | 0.1.5 | ≥ 0.1.9 | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virConnectNumOfDomains | All | All | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virConnectOpen | All | All | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virConnectOpenReadOnly | All | All | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virDomainAttachDevice | 0.1.9 | ≥ 0.1.9 | x | x | ≥ 0.3.0 |
| virDomainBlockStats | 0.3.2 | ≥ 0.3.2 | x | x | ≥ 0.3.2 |
| virDomainCoreDump | 0.1.9 | ≥ 0.1.9 | x | x | ≥ 0.3.0 |
| virDomainCreate | 0.1.5 | ≥ 0.1.9 | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virDomainCreateLinux | All | ≥ 0.0.5 | x | x | ≥ 0.3.0 |
| virDomainDefineXML | 0.1.5 | ≥ 0.1.9 | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virDomainDestroy | All | All | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virDomainDetachDevice | 0.1.9 | ≥ 0.1.9 | x | x | ≥ 0.3.0 |
| virDomainFree | All | All | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virDomainGetAutostart | 0.2.1 | x | ≥ 0.2.1 | ≥ 0.2.1 | ≥ 0.3.0 |
| virDomainGetConnect | 0.3.0 | not a HV function | |||
| virDomainGetID | All | All | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virDomainGetInfo | All | All | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virDomainGetMaxMemory | All | All | x | x | ≥ 0.3.0 |
| virDomainGetMaxVcpus | 0.2.1 | ≥ 0.2.1 | x | x | ≥ 0.3.0 |
| virDomainGetName | All | All | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virDomainGetOSType | All | All | x | x | ≥ 0.3.0 |
| virDomainGetSchedulerParameters | 0.2.3 | ≥ 0.2.3 | x | x | ≥ 0.3.0 |
| virDomainGetSchedulerType | 0.2.3 | ≥ 0.2.3 | x | x | ≥ 0.3.0 |
| virDomainGetUUID | 0.1.10 | ≥ 0.1.10 | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virDomainGetUUIDString | 0.1.10 | ≥ 0.1.10 | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virDomainGetVcpus | 0.1.4 | ≥ 0.1.4 | x | x | ≥ 0.3.0 |
| virDomainInterfaceStats | 0.3.2 | ≥ 0.3.2 | x | x | ≥ 0.3.2 |
| virDomainGetXMLDesc | All | All | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virDomainLookupByID | All | All | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virDomainLookupByName | All | All | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virDomainLookupByUUID | 0.1.10 | ≥ 0.1.10 | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virDomainLookupByUUIDString | 0.1.10 | ≥ 0.1.10 | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virDomainMigrate | 0.3.2 | ≥ 0.3.2 | x | x | 0.3.2 |
| virDomainPinVcpu | 0.1.4 | ≥ 0.1.4 | x | x | ≥ 0.3.0 |
| virDomainReboot | 0.1.0 | ≥ 0.1.0 | x | x | ≥ 0.3.0 |
| virDomainRestore | All | All | x | ≥ 0.3.2 | ≥ 0.3.0 |
| virDomainResume | All | All | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virDomainSave | All | All | x | ≥ 0.3.2 | ≥ 0.3.0 |
| virDomainSetAutostart | 0.2.1 | x | ≥ 0.2.1 | ≥ 0.2.1 | ≥ 0.3.0 |
| virDomainSetMaxMemory | All | All | x | x | ≥ 0.3.0 |
| virDomainSetMemory | 0.1.1 | ≥ 0.1.1 | x | x | ≥ 0.3.0 |
| virDomainSetSchedulerParameters | 0.2.3 | ≥ 0.2.3 | x | x | ≥ 0.3.0 |
| virDomainSetVcpus | 0.1.4 | ≥ 0.1.4 | x | x | ≥ 0.3.0 |
| virDomainShutdown | All | All | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virDomainSuspend | All | All | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virDomainUndefine | 0.1.5 | ≥ 0.1.9 | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virGetVersion | All | All | Returns -1 if HV unsupported. | ||
| virInitialize | 0.1.0 | not a HV function | |||
| virNodeGetInfo | 0.1.0 | ≥ 0.1.0 | ≥ 0.2.0 | ≥ 0.2.0 | ≥ 0.3.0 |
| virNodeGetFreeMemory | 0.3.3 | ≥ 0.3.3 | x | x | x |
| virNodeGetCellsFreeMemory | 0.3.3 | ≥ 0.3.3 | x | x | x |
Network functions
Network functions are not hypervisor-specific. For historical reasons they require the QEMU daemon to be running (this restriction may be lifted in future). Most network functions first appeared in libvirt 0.2.0.
| Function | Since |
|---|---|
| virConnectNumOfNetworks | 0.2.0 |
| virConnectListNetworks | 0.2.0 |
| virConnectNumOfDefinedNetworks | 0.2.0 |
| virConnectListDefinedNetworks | 0.2.0 |
| virNetworkCreate | 0.2.0 |
| virNetworkCreateXML | 0.2.0 |
| virNetworkDefineXML | 0.2.0 |
| virNetworkDestroy | 0.2.0 |
| virNetworkFree | 0.2.0 |
| virNetworkGetAutostart | 0.2.1 |
| virNetworkGetConnect | 0.3.0 |
| virNetworkGetBridgeName | 0.2.0 |
| virNetworkGetName | 0.2.0 |
| virNetworkGetUUID | 0.2.0 |
| virNetworkGetUUIDString | 0.2.0 |
| virNetworkGetXMLDesc | 0.2.0 |
| virNetworkLookupByName | 0.2.0 |
| virNetworkLookupByUUID | 0.2.0 |
| virNetworkLookupByUUIDString | 0.2.0 |
| virNetworkSetAutostart | 0.2.1 |
| virNetworkUndefine | 0.2.0 |
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