RE: [Xen-devel] pci hotplug in xcp

[Dave Scott <Dave.Scott@xxxxxxxxxxxxx>]

Hi,

 

Currently the only way to hotplug is via the ‘xenops’ commandline tool. Try:

 

# /opt/xensource/debug/xenops plug_pci –domid .. –pci .. –devid 0

And similarly for unplug_pci

 

Cheers,

Dave

 

From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Ritu kaur
Sent: 06 April 2010 18:04
To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] pci hotplug in xcp

 

Hello!!!

Does pci hotplug work with pci passthrough in xcp? Currently, I have 2 VMs and do the following to transfer pci device from one domU to another

1. shutdown vm1
2. shutdown vm2
2. in dom0, xe vm-param-set uuid=<vm1-uuid> other-config:pci=""
3. in dom0, xe vm-param-set uuid=<vm2-uuid> other-config:pci=<pci-dev>
4. start vm1
5. start vm2

I want to avoid VM shutdown/start. is there a way to hot unplug from vm1 and hot plug into vm2 in xcp?

Thanks

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