From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 82944C433EF for ; Mon, 20 Jun 2022 16:52:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231396AbiFTQw3 (ORCPT ); Mon, 20 Jun 2022 12:52:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34194 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234691AbiFTQw3 (ORCPT ); Mon, 20 Jun 2022 12:52:29 -0400 Received: from bmailout1.hostsharing.net (bmailout1.hostsharing.net [IPv6:2a01:37:1000::53df:5f64:0]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3C40A17E06; Mon, 20 Jun 2022 09:52:21 -0700 (PDT) Received: from h08.hostsharing.net (h08.hostsharing.net [83.223.95.28]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "*.hostsharing.net", Issuer "RapidSSL TLS DV RSA Mixed SHA256 2020 CA-1" (verified OK)) by bmailout1.hostsharing.net (Postfix) with ESMTPS id CF726300002A0; Mon, 20 Jun 2022 18:52:17 +0200 (CEST) Received: by h08.hostsharing.net (Postfix, from userid 100393) id C515211797C; Mon, 20 Jun 2022 18:52:17 +0200 (CEST) Date: Mon, 20 Jun 2022 18:52:17 +0200 From: Lukas Wunner To: Jonathan Cameron Cc: Ira Weiny , "dan.j.williams@intel.com" , "linux-cxl@vger.kernel.org" , linux-pci@vger.kernel.org, Christoph Hellwig , Adam Manzanares , "ben@bwidawsk.net" , linuxarm@huawei.com, lorenzo.pieralisi@arm.com, "Box, David E" , Chuck Lever , Krzysztof Wilczy??ski , Bjorn Helgaas Subject: Re: (SPDM) Device attestation, secure channels from host to device etc: Discuss at Plumbers? Message-ID: <20220620165217.GA18451@wunner.de> References: <20220609124702.000037b0@Huawei.com> <20220617112124.00002296@Huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220617112124.00002296@Huawei.com> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Fri, Jun 17, 2022 at 11:21:24AM +0100, Jonathan Cameron wrote: > On Thu, 9 Jun 2022 07:22:01 -0700 Ira Weiny 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