Re: (SPDM) Device attestation, secure channels from host to device etc: Discuss at Plumbers?

From: Lukas Wunner <lukas@wunner.de>
To: Jonathan Cameron <Jonathan.Cameron@Huawei.com>
Cc: Ira Weiny <ira.weiny@intel.com>,
	"dan.j.williams@intel.com" <dan.j.williams@intel.com>,
	"linux-cxl@vger.kernel.org" <linux-cxl@vger.kernel.org>,
	linux-pci@vger.kernel.org, Christoph Hellwig <hch@infradead.org>,
	Adam Manzanares <a.manzanares@samsung.com>,
	"ben@bwidawsk.net" <ben@bwidawsk.net>,
	linuxarm@huawei.com, lorenzo.pieralisi@arm.com, "Box,
	David E" <david.e.box@intel.com>,
	Chuck Lever <chuck.lever@oracle.com>,
	Krzysztof Wilczy??ski <kw@linux.com>,
	Bjorn Helgaas <bhelgaas@google.com>
Subject: Re: (SPDM) Device attestation, secure channels from host to device etc: Discuss at Plumbers?
Date: Mon, 20 Jun 2022 18:52:17 +0200	[thread overview]
Message-ID: <20220620165217.GA18451@wunner.de> (raw)
In-Reply-To: <20220617112124.00002296@Huawei.com>

On Fri, Jun 17, 2022 at 11:21:24AM +0100, Jonathan Cameron wrote:
> On Thu, 9 Jun 2022 07:22:01 -0700 Ira Weiny <ira.weiny@intel.com> wrote:
> > On Thu, Jun 09, 2022 at 12:47:02PM +0100, Jonathan Cameron wrote:
> > > I'll start by saying I haven't moved forward much with the
> > > SPDM/CMA over Data Object Exchange proposal from the PoC that led to
> > > presenting it last year as part of the PCI etc uconf last year.
> > > https://lpc.events/event/11/contributions/1089/
> > > https://lore.kernel.org/all/20220303135905.10420-1-Jonathan.Cameron@huawei.com/
> > > I'm continuing to carry the QEMU emulation but not posted for a while
> > > as we are slowly working through a backlog of CXL stuff to merge.

So the SDPM series you posted in March is the latest version?

If you lack bandwidth to carry on with it, I would pick up the baton
and rework that version based on the review feedback I've posted.
(Unless someone else is eager to do that.)

> > Yes, while this could work as part of the CXL uconf it is probably a more
> > general topic.
> 
> Maybe steal time from PCI given CXL uconf is going to be busy!
> (lets see if any of the PCI folk are reading this thread.. :)
> 
> At the moment I'm not seeing enough interest to put in a proposal for
> anything 'officially scheduled', but there is a bit more time until
> the deadline so let's see if we get any other interest in that time.

How about a BoF session to discuss the status quo and any open issues?

(I'm not involved with CXL, hence probably belong to "PCI folk".)

> > I [...] was hoping to go in person but I'm unsure of travel budgets.
> > I will likely be virtual if I can't attend in person.

Same.

Thanks,

Lukas