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Revision af2f716d

IDaf2f716d5ef305c66f0cdcbf204712fd991b75e6

Added by Dimitris Aragiorgis over 7 years ago

(2.10) Introduce hotplug methods (hypervisor inteface)

4 new methods: HotAddDevice, HotDelDevice, HotModDevice, HotplugSupported
All these are the hypervisor interface with the backend.
In general they read current runtime info, do the actual hotplug
and update the runtime file.

NIC hot-add:
- open a tap and get its file descriptor.
- pass fd with SCM rights (using python-fdsend) via monitor socket
- create netdev and device with id=kvm_devid and proper pci info

Disk hot-add:
- create drive with id=kvm_devid
- create device with id=kvm_devid and corresponding pci info

Use MonitorSocket in _PassTapFd in order to connect to monitor socket
and pass the tap's file descriptor using fdsend.

Signed-off-by: Dimitris Aragiorgis <>
Signed-off-by: Thomas Thrainer <>
Reviewed-by: Thomas Thrainer <>

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