Re: [RFC] KVM "fake DAX" device flushing

[Stefan Hajnoczi]

On Thu, Oct 12, 2017 at 12:21:46AM +0530, Pankaj Gupta wrote:
> We are sharing the prototype version of 'fake DAX' flushing
> interface for the initial feedback. This is still work in progress
> and not yet ready for merging.
> 
> Protoype right now just implements basic functionality without advanced
> features with two major parts:
> 
> - Qemu virtio-pmem device
>   It exposes a persistent memory range to KVM guest which at host side is file
>   backed memory and works as persistent memory device. In addition to this it
>   provides a virtio flushing interface for KVM guest to do a Qemu side sync for
>   guest DAX persistent memory range.

Please post a draft VIRTIO device specification.

The VIRTIO Technical Committee resources and mailing lists are here:

https://www.oasis-open.org/committees/tc_home.php?wg_abbrev=virtio#feedback

Stefan