Regarding devices which devices qemu-kvm supports, just take a look at following commands: Available net devices: qemu-system-x86_64 -net nic,model=? Available cpu's: qemu-system-x86_64 -cpu ? Available machines (if needed) qemu-system-x86_64 -machine ? General list of available devices: qemu-system-x86_64 -device ?
Depending on your arch it might differ.. Regarding virito devices: I highly recommend using those drivers. For my gentoo guests i always use virtio drivers for network devices (with vhost=on) and harddisks. (on windows guests only virito-net drivers) The performance gain is incredible. However, especially for the virtio harddisk driver, make sure you change fstab entries, because harddisk names change from sda to vda (or just use them from the beginning. If you going to try out desktop vm's too i also recommend qxl with spice. It's really fast and it also supports copy/paste (however you need an service for copy/paste on linux "app-emulation/spice-vdagent") and window resizing. Those features also work on windows. Regarding libvirt my experience is actually very low since i setup my vms with an custom init script. You can take a look on it here: https://github.com/mm1ke/qemu-init/tree/devel I can also provide a basic kernel .config for the latest stable kernel on x64 and x86 if you are interrested. mike On Monday 22 April 2013 08:31:39 Michael Mol wrote: > On 04/22/2013 05:40 AM, Michael Hampicke wrote: > > Am 22.04.2013 03:06, schrieb Michael Mol: > >> So, I'm setting up number of kvm guests running Gentoo. KVM guests have > >> a pretty limited set of device drivers they need to support. > >> > >> Is there a relatively up-to-date list of kernel configuration options? > >> I.e. the list of NIC drivers, video drivers, I/O drivers... > > > > For net and io I always go with the virtio drivers [1]. For video: I > > don't care, my VMs are all headless, but when creating a desktop VM I > > suggest looking to vmvga or qxl. > > > > [1] http://wiki.libvirt.org/page/Virtio > > For video, I tend to use Cirrus. (I'll get the serial console stuff > figured out eventually; I know how that works in the guest, but haven't > prodded it in the host.) I didn't see a guest-side driver for vmvga, and > I have no idea what qxl is. (I didn't hit search engines for it, I was > merely searching around via menuconfig's / search.) > > Virtio drivers are awesome, of course. > > What I'm really looking for, though, is a list of all the devices the > qemu/kvm host can emulate, and the most-specific guest driver. I.e. If I > wanted to make a generic kernel configuration that contained the optimum > drivers for all possible qemu/kvm configurations, what would be the > minimum feature set? > > While I'm on the subject...menuconfig's search functionality indicated > there was a vmguest-targeted CPU accounting in the kernel, but I > couldn't get the HAVE_VIRTUAL_CPU_ACCOUNTING dependency flag set, and > couldn't figure out what set it. Any ideas there?
