Re: [dpdk-dev] [PATCH 00/12] lib/librte_vhost: introduce new vhost_user crypto

[Thomas Monjalon <thomas@monjalon.net>]

18/01/2018 15:59, Yuanhan Liu:
> On Mon, Nov 27, 2017 at 08:01:03PM +0000, Fan Zhang wrote:
> > This patchset adds crypto backend suppport to vhost_user library,
> > including a proof-of-concept sample application. The implementation
> > follows the virtio-crypto specification and have been tested
> > with qemu 2.9.50 (with several patches applied, detailed later)
> > with Fedora 24 running in the frontend.
> > 
> > The vhost_user library acts as a "bridge" method that translate
> > the virtio-crypto crypto requests to DPDK crypto operations, so it
> > is purely software implementation. However it does require the user
> > to provide the DPDK Cryptodev ID so it knows how to handle the
> > virtio-crypto session creation and deletion mesages.
> > 
> > Currently the implementation supports AES-CBC-128 and HMAC-SHA1
> > cipher only/chaining modes and does not support sessionless mode
> > yet. The guest can use standard virtio-crypto driver to set up
> > session and sends encryption/decryption requests to backend. The
> > vhost-crypto sample application provided in this patchset will
> > do the actual crypto work.
> > 
> > To make this patchset working, a few tweaks need to be done:
> > 
> > In the host:
> > 1. Download the qemu source code, and apply the patches in:
> > list.nongnu.org/archive/html/qemu-devel/2017-07/msg04664.html.
> 
> I could not open it. What's the status of them now? Have they got
> merged?

As usual, we must wait to have Qemu support ready.

How this work is related to drivers/crypto/virtio/ proposed
by Jay Zhou (Huawei)?