On 02/21/2013 07:47 AM, Peter Krempa wrote: > This patch implements support for the virtio-rng-pci device and the > rng-random backend in qemu. > > Two capabilities bits are added to track support for those: > > QEMU_CAPS_DEVICE_VIRTIO_RNG - for the device support and > QEMU_CAPS_OBJECT_RNG_RANDOM - for the backend support.
Is there ever going to be a qemu with backend support but not the device? I guess the opposite is possible though - having the device, but being built with only one backend out of a set of backends available in qemu source code. I guess keeping this as two capability bits makes sense. > > qemu is invoked with these additional parameters if the device is > enabled: > > -object rng-random,id=rng0,filename=/test/phile (to add the backend) > -device virtio-rng-pci,rng=rng0,bus=pci.0,addr=0x4 (to add the device) > --- > > Notes: > Version 2: > - don't use different error messages for similar issues ACK. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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