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 lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B897BC369C2 for ; Tue, 22 Apr 2025 17:15:01 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.963353.1354371 (Exim 4.92) (envelope-from ) id 1u7HCi-00089b-BH; Tue, 22 Apr 2025 17:14:40 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 963353.1354371; Tue, 22 Apr 2025 17:14:40 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1u7HCi-00089U-8f; Tue, 22 Apr 2025 17:14:40 +0000 Received: by outflank-mailman (input) for mailman id 963353; Tue, 22 Apr 2025 17:14:38 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1u7HCg-000880-OW for xen-devel@lists.xenproject.org; Tue, 22 Apr 2025 17:14:38 +0000 Received: from mail-wm1-x334.google.com (mail-wm1-x334.google.com [2a00:1450:4864:20::334]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 41df46ad-1f9d-11f0-9eb0-5ba50f476ded; Tue, 22 Apr 2025 19:14:32 +0200 (CEST) Received: by mail-wm1-x334.google.com with SMTP id 5b1f17b1804b1-440685d6afcso51508865e9.0 for ; Tue, 22 Apr 2025 10:14:32 -0700 (PDT) Received: from [192.168.86.29] ([83.104.178.215]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4406d5aced6sm31818805e9.16.2025.04.22.10.14.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 22 Apr 2025 10:14:31 -0700 (PDT) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 41df46ad-1f9d-11f0-9eb0-5ba50f476ded DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=citrix.com; s=google; t=1745342072; x=1745946872; darn=lists.xenproject.org; h=content-transfer-encoding:in-reply-to:autocrypt:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to; bh=gGthYO2s59y3+AtQUrxBgwnBHEE+YlwhZq/V8D0EEB0=; b=RyGB0FQPO4wX+xZDbFaIj4T8qriS2Em9Br/xtDIsK+iUjVNGzUu9VcEux6Q8QwFvzW sy70R8ydJCkotFczppBN8l6C/wv5o3mgFYYFdEjaxAN2sYL9UgKznP8tH3MKouAav05q UP3N/q6ASMvz75kTa9tc/jN4V/iYRyG8WmIWg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1745342072; x=1745946872; h=content-transfer-encoding:in-reply-to:autocrypt:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=gGthYO2s59y3+AtQUrxBgwnBHEE+YlwhZq/V8D0EEB0=; b=w+tsu9R2uIDad/3+/5U8tk+6NABmiI2XcH1DmB/5TkvEYgpXV8Ay6MojgxoSuqES1B h5FQjyXBjA0quRA9wbjZMN3m7ZQERlUdE9/2Qt+5/Nyv9g+pQLGMAa2eEp8I9sXcxFzM MXi2T56whFQQM9+lg+oQZS1gWGVwveIgTK6JPfVPPdCOj/7Ju7rjI9NQTQmxrlpix+4U HfvqL5xi7ZC8VzGd77CU+/TbmSZxhkm8L2GNrJMMTuYCcB7+tyhmO8RNYNf01jcbQhzG 6dRNAl/BmN5e28aCqoEToQIVKGe7RV4bVf87UQc7YpFl2oYz7u20xIjnMVwRi2AHCSfd nWXQ== X-Forwarded-Encrypted: i=1; AJvYcCWSo/tWfAuhIzQY5rVFUhtUOLKA3p30NcFFrEEb9TsKMpX60i8HEK+7VQ/XFxa8MjjC/DQJCyc8IDo=@lists.xenproject.org X-Gm-Message-State: AOJu0Yzl0xpxNwX4u7NXD55Cmm3hJGs2WoO0wBxzm2KaZ7rr/EFPiLUU 04m4Ak540KxCZKDK3eycRz9kBe17oiY5W9H8HmSMn4xu6n0CKbVj1dj0t18nF2I= X-Gm-Gg: ASbGncvzt9ebxyFg6cVt7ZvpN6v+B2k7oa1gquxgLdAREq8J5v/fh7gWPjewYezJoNt sy/rD7of7Y5yzKlxVBT52bGm6lA0Vwb/PMTymaAbhfdpDathRLZaZCP3WQeI7jb4iXtAiyElJbB tNeGqsw1ZIG8TN/vTiYrz4RNSI2w28+ZNcdUKLKzILaAkAbUyrTpzabhnx7eHwHrCHCES7pSr+j DiTnGzM6xt0VHyHZe7ivUXuWJfQ4Le74Vl12q7FlEwgN05BPfJWRXr2QQHAQpOQgk2GZlMct3pU 0GEL9VIezVDwE8cyMbwLZhUZ6bmOU8cGT6M0akGTiwbdMTN/g0r+ag== X-Google-Smtp-Source: AGHT+IEuLPqjMZ43+RYFFC1f5W+4Pgvd5Q4aVBATCksa1deGx6/BzaIaMFoA6ZZE8Z1virNbG6ZQaA== X-Received: by 2002:a05:600c:350a:b0:43c:e7ae:4bc9 with SMTP id 5b1f17b1804b1-4406ab7a56dmr114884225e9.1.1745342071986; Tue, 22 Apr 2025 10:14:31 -0700 (PDT) Message-ID: <744934f4-f56f-4dc7-bccb-c32f2829d1da@citrix.com> Date: Tue, 22 Apr 2025 18:14:30 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 00/21] x86: Trenchboot Secure Launch DRTM (Xen) To: Sergii Dmytruk , xen-devel@lists.xenproject.org Cc: Jan Beulich , =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= , Lukasz Hawrylko , "Daniel P. Smith" , =?UTF-8?Q?Mateusz_M=C3=B3wka?= , Anthony PERARD , Michal Orzel , Julien Grall , Stefano Stabellini , =?UTF-8?Q?Marek_Marczykowski-G=C3=B3recki?= , trenchboot-devel@googlegroups.com References: Content-Language: en-GB From: Andrew Cooper Autocrypt: addr=andrew.cooper3@citrix.com; keydata= xsFNBFLhNn8BEADVhE+Hb8i0GV6mihnnr/uiQQdPF8kUoFzCOPXkf7jQ5sLYeJa0cQi6Penp VtiFYznTairnVsN5J+ujSTIb+OlMSJUWV4opS7WVNnxHbFTPYZVQ3erv7NKc2iVizCRZ2Kxn srM1oPXWRic8BIAdYOKOloF2300SL/bIpeD+x7h3w9B/qez7nOin5NzkxgFoaUeIal12pXSR Q354FKFoy6Vh96gc4VRqte3jw8mPuJQpfws+Pb+swvSf/i1q1+1I4jsRQQh2m6OTADHIqg2E ofTYAEh7R5HfPx0EXoEDMdRjOeKn8+vvkAwhviWXTHlG3R1QkbE5M/oywnZ83udJmi+lxjJ5 YhQ5IzomvJ16H0Bq+TLyVLO/VRksp1VR9HxCzItLNCS8PdpYYz5TC204ViycobYU65WMpzWe LFAGn8jSS25XIpqv0Y9k87dLbctKKA14Ifw2kq5OIVu2FuX+3i446JOa2vpCI9GcjCzi3oHV e00bzYiHMIl0FICrNJU0Kjho8pdo0m2uxkn6SYEpogAy9pnatUlO+erL4LqFUO7GXSdBRbw5 gNt25XTLdSFuZtMxkY3tq8MFss5QnjhehCVPEpE6y9ZjI4XB8ad1G4oBHVGK5LMsvg22PfMJ ISWFSHoF/B5+lHkCKWkFxZ0gZn33ju5n6/FOdEx4B8cMJt+cWwARAQABzSlBbmRyZXcgQ29v cGVyIDxhbmRyZXcuY29vcGVyM0BjaXRyaXguY29tPsLBegQTAQgAJAIbAwULCQgHAwUVCgkI CwUWAgMBAAIeAQIXgAUCWKD95wIZAQAKCRBlw/kGpdefoHbdD/9AIoR3k6fKl+RFiFpyAhvO 59ttDFI7nIAnlYngev2XUR3acFElJATHSDO0ju+hqWqAb8kVijXLops0gOfqt3VPZq9cuHlh IMDquatGLzAadfFx2eQYIYT+FYuMoPZy/aTUazmJIDVxP7L383grjIkn+7tAv+qeDfE+txL4 SAm1UHNvmdfgL2/lcmL3xRh7sub3nJilM93RWX1Pe5LBSDXO45uzCGEdst6uSlzYR/MEr+5Z JQQ32JV64zwvf/aKaagSQSQMYNX9JFgfZ3TKWC1KJQbX5ssoX/5hNLqxMcZV3TN7kU8I3kjK mPec9+1nECOjjJSO/h4P0sBZyIUGfguwzhEeGf4sMCuSEM4xjCnwiBwftR17sr0spYcOpqET ZGcAmyYcNjy6CYadNCnfR40vhhWuCfNCBzWnUW0lFoo12wb0YnzoOLjvfD6OL3JjIUJNOmJy RCsJ5IA/Iz33RhSVRmROu+TztwuThClw63g7+hoyewv7BemKyuU6FTVhjjW+XUWmS/FzknSi dAG+insr0746cTPpSkGl3KAXeWDGJzve7/SBBfyznWCMGaf8E2P1oOdIZRxHgWj0zNr1+ooF /PzgLPiCI4OMUttTlEKChgbUTQ+5o0P080JojqfXwbPAyumbaYcQNiH1/xYbJdOFSiBv9rpt TQTBLzDKXok86M7BTQRS4TZ/ARAAkgqudHsp+hd82UVkvgnlqZjzz2vyrYfz7bkPtXaGb9H4 Rfo7mQsEQavEBdWWjbga6eMnDqtu+FC+qeTGYebToxEyp2lKDSoAsvt8w82tIlP/EbmRbDVn 7bhjBlfRcFjVYw8uVDPptT0TV47vpoCVkTwcyb6OltJrvg/QzV9f07DJswuda1JH3/qvYu0p vjPnYvCq4NsqY2XSdAJ02HrdYPFtNyPEntu1n1KK+gJrstjtw7KsZ4ygXYrsm/oCBiVW/OgU g/XIlGErkrxe4vQvJyVwg6YH653YTX5hLLUEL1NS4TCo47RP+wi6y+TnuAL36UtK/uFyEuPy wwrDVcC4cIFhYSfsO0BumEI65yu7a8aHbGfq2lW251UcoU48Z27ZUUZd2Dr6O/n8poQHbaTd 6bJJSjzGGHZVbRP9UQ3lkmkmc0+XCHmj5WhwNNYjgbbmML7y0fsJT5RgvefAIFfHBg7fTY/i kBEimoUsTEQz+N4hbKwo1hULfVxDJStE4sbPhjbsPCrlXf6W9CxSyQ0qmZ2bXsLQYRj2xqd1 bpA+1o1j2N4/au1R/uSiUFjewJdT/LX1EklKDcQwpk06Af/N7VZtSfEJeRV04unbsKVXWZAk uAJyDDKN99ziC0Wz5kcPyVD1HNf8bgaqGDzrv3TfYjwqayRFcMf7xJaL9xXedMcAEQEAAcLB XwQYAQgACQUCUuE2fwIbDAAKCRBlw/kGpdefoG4XEACD1Qf/er8EA7g23HMxYWd3FXHThrVQ HgiGdk5Yh632vjOm9L4sd/GCEACVQKjsu98e8o3ysitFlznEns5EAAXEbITrgKWXDDUWGYxd pnjj2u+GkVdsOAGk0kxczX6s+VRBhpbBI2PWnOsRJgU2n10PZ3mZD4Xu9kU2IXYmuW+e5KCA vTArRUdCrAtIa1k01sPipPPw6dfxx2e5asy21YOytzxuWFfJTGnVxZZSCyLUO83sh6OZhJkk b9rxL9wPmpN/t2IPaEKoAc0FTQZS36wAMOXkBh24PQ9gaLJvfPKpNzGD8XWR5HHF0NLIJhgg 4ZlEXQ2fVp3XrtocHqhu4UZR4koCijgB8sB7Tb0GCpwK+C4UePdFLfhKyRdSXuvY3AHJd4CP 4JzW0Bzq/WXY3XMOzUTYApGQpnUpdOmuQSfpV9MQO+/jo7r6yPbxT7CwRS5dcQPzUiuHLK9i nvjREdh84qycnx0/6dDroYhp0DFv4udxuAvt1h4wGwTPRQZerSm4xaYegEFusyhbZrI0U9tJ B8WrhBLXDiYlyJT6zOV2yZFuW47VrLsjYnHwn27hmxTC/7tvG3euCklmkn9Sl9IAKFu29RSo d5bD8kMSCYsTqtTfT6W4A3qHGvIDta3ptLYpIAOD2sY3GYq2nf3Bbzx81wZK14JdDDHUX2Rs 6+ahAA== In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 22/04/2025 4:06 pm, Sergii Dmytruk wrote: > The aim of the [TrenchBoot] project is to provide an implementation of > DRTM that is generic enough to cover various use cases: > - Intel TXT and AMD SKINIT on x86 CPUs > - legacy and UEFI boot > - TPM1.2 and TPM2.0 > - (in the future) DRTM on Arm CPUs > > DRTM is a version of a measured launch that starts on request rather > than at the start of a boot cycle. One of its advantages is in not > including the firmware in the chain of trust. > > Xen already supports DRTM via [tboot] which targets Intel TXT only. > tboot employs encapsulates some of the DRTM details within itself while > with TrenchBoot Xen (or Linux) is meant to be a self-contained payload > for a TrenchBoot-enabled bootloader (think GRUB). The one exception is > that UEFI case requires calling back into bootloader to initiate DRTM, > which is necessary to give Xen a chance of querying all the information > it needs from the firmware before performing DRTM start. > > From reading the above tboot might seem like a more abstracted, but the > reality is that the payload needs to have DRTM-specific knowledge either > way. TrenchBoot in principle allows coming up with independent > implementations of bootloaders and payloads that are compatible with > each other. > > The "x86/boot: choose AP stack based on APIC ID" patch is shared with > [Parallelize AP bring-up] series which is required here because Intel > TXT always releases all APs simultaneously. The rest of the patches are > unique. I've stripped out the sha2 patch and fixed up to use the existing sha2, then kicked off some CI testing: https://gitlab.com/xen-project/hardware/xen-staging/-/pipelines/1780285393 https://cirrus-ci.com/build/5452335868018688 When the dust has settled, I'll talk you through the failures. ~Andrew