From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=192.198.163.8 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793811249; b=PzDWY9EQ+rbh+p9114DFVsmeOMl/wojqjTsHjPAf4C8arxvB3mefBlxMFcBAjwhEiYF6 ptqcVnBOIbx2T8ktQ5+yKD78hI9mJW8qyUpj1hiiqtm5gOMf/oqK3YSbyf78/Ix8KkE6l q3n9kw9pZrW+v1arpCucoquUSIcFXnwe5fgda0R80QTOszPfeehgUfpqGQwj4RO7Kegkm DB5qnBez+WYFME9gS+piJ2wB9r3y5SPLjVQWDbP4B2fCMGnChQztDC8ln18Nic/UudyP2 m1VMMlC5xqV4cmBQQk+RWYNIp1jzgSodcR2vZ81JJPDjXxxlBU5lgVFG5G9sqMlyB2Q== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793811249; h=DMARC-Filter:DKIM-Signature:X-CSE-ConnectionGUID:X-CSE-MsgGUID: X-IronPort-AV:X-IronPort-AV:Received:X-CSE-ConnectionGUID: X-CSE-MsgGUID:X-ExtLoop1:X-IronPort-AV:Received:Message-ID:Date: MIME-Version:User-Agent:Subject:To:Cc:References:From: Content-Language:In-Reply-To:Content-Type:Content-Transfer-Encoding; bh=iEPD1QYuT7OH1ElfWyuk0psyrxzr5Rzkiw/WLwl9VA0=; b=eYS+JhNOUYijNpsMHvzZBdUYybp6CkmdIxjDnUZxXu7rncaGqIKoW1E4j0x1z9sa9DHq XbafX5ZskKV+vc02bR3tX+RPHXZxV9iizhup07/LgDzciAkBRbk9Aon4m+W0sCTYn86GK lpxJOfIFY+iKAGTXhl1RCS+vaYv+2CZ/HMIH9IfdQRvuuc1UJ9SQDflzZ+TtpJgiXnCid RpDA3343AdAT2sRemoK82qeXD4VRu8LWbV1QJU3v8VNZorPpJ99mnG6Eo5R3ufXjUeA9A 7OHA+/NKMxUtYw73JNg1OaEFd3GDz7WsaCkEX8TKiubV8IZF2TkNvZqoVvq+HLa4yrw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=nS6yNFGl; arc=none smtp.remote-ip=192.198.163.8 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 883CA606A31B; Wed, 4 Nov 2026 16:54:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 883CA606A31B Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=nS6yNFGl DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1793811248; x=1825347248; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=iEPD1QYuT7OH1ElfWyuk0psyrxzr5Rzkiw/WLwl9VA0=; b=nS6yNFGlSaqpItE/ZosU8/713G5AadxLJ1b75cZY+NF1VCAIj2OZG5T4 D7SSlWWq69KTcnni4UT3gIsZ3Wfni73NXL/Zkg8zZ6Rubsmpj+srxV+6I 3hMTGOb/LlpKrCB+D9RcecMH3jCDmp9fRL2U6sor6w/jkhC15wJtZO3Fj PeacPR2jyOPnhYiX0cW/ZKygbJbiQeuS+emaq/RCeKRjLA+7mmhOobeoU jRDjeC4ALbKgdvOItIqDi+XtBJOH5aK+0FmRO3KNaJOaavUxZONSmryfg BvEAW7XhWux+G0hKxQyJT1XIBkNiM/bumOm4K5iphLR/hTig13Vrd7+gr A==; X-CSE-ConnectionGUID: zYl+C8YJRC+IrnqSzuBVzw== X-CSE-MsgGUID: PGNgaGBgTMe8MONCrROAoQ== X-IronPort-AV: E=McAfee;i="6800,10657,11956"; a="2458490" X-IronPort-AV: E=Sophos;i="6.27,195,1787036400"; d="scan'208";a="2458490" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Nov 2026 08:54:07 -0800 X-CSE-ConnectionGUID: AMQYNewLQgCpnH6AqiAPnA== X-CSE-MsgGUID: EIjoAzeaQ++yMPf2LYoI+A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,195,1787036400"; d="scan'208";a="6777575" Received: from sghuge-mobl2.amr.corp.intel.com (HELO [10.125.110.38]) ([10.125.110.38]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Nov 2026 08:54:05 -0800 Message-ID: Date: Wed, 4 Nov 2026 09:54:03 -0700 X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH v1 10/11] virt: coco: arm-cca-host: Publish slot zero and establish streams after acceptance To: Jason Gunthorpe , "Reshetova, Elena" Cc: Xu Yilun , "Aneesh Kumar K.V" , "linux-coco@lists.linux.dev" , Jiri Pirko , "Tian, Kevin" , Alexey Kardashevskiy , Catalin Marinas , Suzuki K Poulose , Steven Price , Kiryl Shutsemau , "Edgecombe, Rick P" , Dave Hansen , Jonathan Cameron , Bjorn Helgaas , Ashish Kalra , Tom Lendacky , John Allen , Will Deacon , Mark Rutland , "patches@lists.linux.dev" References: <20261029171053.GD3734323@nvidia.com> <20261030131543.GH3734323@nvidia.com> <20261102172640.GB274202@nvidia.com> <20261103151643.GI274202@nvidia.com> <20261104134119.GR274202@nvidia.com> From: Dave Jiang Content-Language: en-US In-Reply-To: <20261104134119.GR274202@nvidia.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 11/4/26 6:41 AM, Jason Gunthorpe wrote: <--snip--> > Is there a PDF for TDX's SPDM flow someplace? I will try to draft a > more complete document TDX connect architecture spec https://cdrdv2-public.intel.com/862706/Intel%20TDX%20Connect%20EAS%20354629%20004.pdf 2.7.5 Figure 2.6 TDX connect TEE-IO device guide https://cdrdv2-public.intel.com/861654/whitepaper-tee-io-device-guide-v0-7-0.pdf Appendix B.1.1 Table B-1