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Revision 6283c5e3

ID6283c5e361441222897363bec18a0a68db23ee8a

Added by Dimitris Aragiorgis over 10 years ago

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 <>

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