[Rust-VMM] Crate for vhost-user device backend?

[Jiang Liu]

> On Jan 17, 2019, at 6:58 PM, Marc-André Lureau <marcandre.lureau at gmail.com> wrote:
> 
> Hi
> 
> On Thu, Jan 17, 2019 at 2:56 PM Jiang Liu <liuj97 at gmail.com <mailto:liuj97 at gmail.com>> wrote:
>> 
>> We are working on a vhostuser-rs crate, and planned to posted it for RFC later.
> 
> Great news! Looking forward for it! Feel free to share WIP if you want help.
> 
>> 
>>> On Jan 17, 2019, at 6:52 PM, Stefan Hajnoczi <stefanha at redhat.com> wrote:
>>> 
>>> Hi,
>>> Has anyone implemented a vhost-user device backend in Rust?
>>> 
>>> QEMU's libvhost-user and DPDK's librte_vhost are C implementations that
>>> provide a device backend API.  They allow you to implement
>>> vhost-user-net, vhost-user-blk, and vhost-user-scsi devices as a
>>> separate process from the main emulator.
We are working on this direction, but  enhancements to firecracker/rust-vmm are need to support 
vhostuser. For example we need to support memfd based memory slot management. It’s really
great if we could cooperate on it.


>>> 
>>> Stefan
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>> 
>> 
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> 
> 
> 
> -- 
> Marc-André Lureau

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