[libvirt] List of available libvirt drivers installed?

[Daniel P. Berrange]

On Mon, Oct 25, 2010 at 11:30:17AM -0700, Shi Jin wrote:
> I am wondering if there is a way to show a list of available libvirt hypervisor drvers installed in an existing libvirt installation.
> 
> I know based on the version of libvirt, I can find out supported drivers from this matrix: http://libvirt.org/hvsupport.html
> 
> However, the particular installation may not turn on all available drivers for this particular build. Is there a way to find out?
> 
> Particularly, I want to find out if the default libvirt coming with RHEL-5/6 supports VMware ESX, and the same for Ubuntu-10.4/10.10. 

There's no API to determine this at this point in time, though I agree
it could be useful

Daniel
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