On Fri, Jul 01, 2016 at 04:35:18PM +0200, Michal Privoznik wrote:
[...]
> And while I'll be working on this, I want to take a look at NVDIMM
> feature that qemu introduced recently [2]. The way I understand it, it
> is very similar to my problem from above. The only difference (for the
> consistence) would be that the memory model would be something else than
> 'dimm' ('nvdimm' perhaps?)
>
> <memory model='nvdimm'>
> <source>
> <path>/tmp/nvdimm1</path>
> </source>
> <target>
> <size unit='GiB'>10</size>
> </target>
> </memory>
>
>
> -machine pc,nvdimm -m 8G,maxmem=100G,slots=100 \
> -object memory-backend-file,id=mem1,share,mem-path=/tmp/nvdimm1,size=10G \
> -device nvdimm,memdev=mem1,id=nv1
This patch shows how libguestfs would like to construct the qemu
command line to enable DAX support:
https://www.redhat.com/archives/libguestfs/2016-May/msg00138.html
Note we need to control share (set share=off specifically).
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
libguestfs lets you edit virtual machines. Supports shell scripting,
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