From patchwork Tue Jul 30 10:57:08 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Beulich X-Patchwork-Id: 13747257 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 77EA5C3DA49 for ; Tue, 30 Jul 2024 10:57:21 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.767581.1178251 (Exim 4.92) (envelope-from ) id 1sYkXZ-0008OV-3e; Tue, 30 Jul 2024 10:57:13 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 767581.1178251; Tue, 30 Jul 2024 10:57:13 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sYkXZ-0008OO-14; Tue, 30 Jul 2024 10:57:13 +0000 Received: by outflank-mailman (input) for mailman id 767581; Tue, 30 Jul 2024 10:57:12 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sYkXY-0007Zv-5W for xen-devel@lists.xenproject.org; Tue, 30 Jul 2024 10:57:12 +0000 Received: from mail-ej1-x62e.google.com (mail-ej1-x62e.google.com [2a00:1450:4864:20::62e]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 7834a7a3-4e62-11ef-8776-851b0ebba9a2; Tue, 30 Jul 2024 12:57:10 +0200 (CEST) Received: by mail-ej1-x62e.google.com with SMTP id a640c23a62f3a-a7aac70e30dso564847266b.1 for ; Tue, 30 Jul 2024 03:57:10 -0700 (PDT) Received: from [10.156.60.236] (ip-037-024-206-209.um08.pools.vodafone-ip.de. [37.24.206.209]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a7acab2314csm642063366b.14.2024.07.30.03.57.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 30 Jul 2024 03:57:09 -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: 7834a7a3-4e62-11ef-8776-851b0ebba9a2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=google; t=1722337030; x=1722941830; darn=lists.xenproject.org; h=content-transfer-encoding:autocrypt:subject:from:cc:to :content-language:user-agent:mime-version:date:message-id:from:to:cc :subject:date:message-id:reply-to; bh=Po8FTiwtDWrNQap1N3UoZT3/Uk5DxNwtOnO6XpY1gU4=; b=fvtHnKmEJFdQK+a0LAScnKQPBdg3eEUB1GZDkK1cMcXV0QczpcJ7ki2MtcXXoQTqb6 xkQVRgkt97KlaBv55UOvxKtL44X3/zSlYv7/64Q8DWW+q9rTFeUG8BJTSsB0VbuciuHE htfD2Uz3ptjcVYvFRFeTYzdDFWtOAdiDShJ321IcThWjnjKKv0nnTQaKJBMLzu7GCc3q EstyVQD8bdOTlt9s+lyG0LZZ1HW8qnwQFi6esK53X2k4Fel1laEzZSPqJK71fk62ThcL wOTf/SO7hTK4Vqlvu68Bodp37Mc2NsC6BKGSdJc0u4Akka6Fuhanw6bAm6EUv2VPG0Sw vHWQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1722337030; x=1722941830; h=content-transfer-encoding:autocrypt:subject:from:cc:to :content-language:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=Po8FTiwtDWrNQap1N3UoZT3/Uk5DxNwtOnO6XpY1gU4=; b=vfX+S1o8qnMBh4+Xl5mQ/s3kqR6i4RvQ2TYiCR+SK3b6ZHKBLvQXy2Wr67rnaD2L8i sg2/qBgRf7HD0/5cT9TPj4JKfy8RBoqvlnEkVlOy2zW6m1+Y/bqrmEvCKU7z/3QJYRw0 FRJiHBZ2JII5Pqf4NLJVZxog+RzeNbcvxrAS4eti/BI67Uz3+fRvinsuMeg8GPt2Y3+V 1RQnyNfcJzkLMZbubFUmIGhxYmRyFLtOZdaJsWdCD+czmi5bb1tzQLlISTgDeDm8YW8v 6QViEoMu1Jqw0koGR5m98iswgAyK+x6M1I1boTnEXnrNoHKn7CqLcBfl9Y8WZjB8jwHN fEpg== X-Gm-Message-State: AOJu0YwsSTOjKJqkhWZfipYQWu+DMziF7m0nYG67doEMXNCifEd7BagE THaXs7eYDhtCyP4uqM8SNjr8O2+5O4MSfxElOK3fpiTD0LJKNPCIwSCSyplg5dELkPwAw6wUqYM = X-Google-Smtp-Source: AGHT+IEi712nRbYdEHOSzCpWqfCH4dlIc28CjJ4SDhBKoITbgcPOEjsGb1MrBEiWEdn5bAWXsz6dcw== X-Received: by 2002:a17:907:9713:b0:a77:bfca:da53 with SMTP id a640c23a62f3a-a7d3ff97f73mr656160766b.30.1722337029597; Tue, 30 Jul 2024 03:57:09 -0700 (PDT) Message-ID: Date: Tue, 30 Jul 2024 12:57:08 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: "xen-devel@lists.xenproject.org" Cc: Andrew Cooper , Julien Grall , Stefano Stabellini , Daniel Smith From: Jan Beulich Subject: [PATCH] SUPPORT.md: split XSM from Flask Autocrypt: addr=jbeulich@suse.com; keydata= xsDiBFk3nEQRBADAEaSw6zC/EJkiwGPXbWtPxl2xCdSoeepS07jW8UgcHNurfHvUzogEq5xk hu507c3BarVjyWCJOylMNR98Yd8VqD9UfmX0Hb8/BrA+Hl6/DB/eqGptrf4BSRwcZQM32aZK 7Pj2XbGWIUrZrd70x1eAP9QE3P79Y2oLrsCgbZJfEwCgvz9JjGmQqQkRiTVzlZVCJYcyGGsD /0tbFCzD2h20ahe8rC1gbb3K3qk+LpBtvjBu1RY9drYk0NymiGbJWZgab6t1jM7sk2vuf0Py O9Hf9XBmK0uE9IgMaiCpc32XV9oASz6UJebwkX+zF2jG5I1BfnO9g7KlotcA/v5ClMjgo6Gl MDY4HxoSRu3i1cqqSDtVlt+AOVBJBACrZcnHAUSuCXBPy0jOlBhxPqRWv6ND4c9PH1xjQ3NP nxJuMBS8rnNg22uyfAgmBKNLpLgAGVRMZGaGoJObGf72s6TeIqKJo/LtggAS9qAUiuKVnygo 3wjfkS9A3DRO+SpU7JqWdsveeIQyeyEJ/8PTowmSQLakF+3fote9ybzd880fSmFuIEJldWxp Y2ggPGpiZXVsaWNoQHN1c2UuY29tPsJgBBMRAgAgBQJZN5xEAhsDBgsJCAcDAgQVAggDBBYC AwECHgECF4AACgkQoDSui/t3IH4J+wCfQ5jHdEjCRHj23O/5ttg9r9OIruwAn3103WUITZee e7Sbg12UgcQ5lv7SzsFNBFk3nEQQCACCuTjCjFOUdi5Nm244F+78kLghRcin/awv+IrTcIWF hUpSs1Y91iQQ7KItirz5uwCPlwejSJDQJLIS+QtJHaXDXeV6NI0Uef1hP20+y8qydDiVkv6l IreXjTb7DvksRgJNvCkWtYnlS3mYvQ9NzS9PhyALWbXnH6sIJd2O9lKS1Mrfq+y0IXCP10eS FFGg+Av3IQeFatkJAyju0PPthyTqxSI4lZYuJVPknzgaeuJv/2NccrPvmeDg6Coe7ZIeQ8Yj t0ARxu2xytAkkLCel1Lz1WLmwLstV30g80nkgZf/wr+/BXJW/oIvRlonUkxv+IbBM3dX2OV8 AmRv1ySWPTP7AAMFB/9PQK/VtlNUJvg8GXj9ootzrteGfVZVVT4XBJkfwBcpC/XcPzldjv+3 HYudvpdNK3lLujXeA5fLOH+Z/G9WBc5pFVSMocI71I8bT8lIAzreg0WvkWg5V2WZsUMlnDL9 mpwIGFhlbM3gfDMs7MPMu8YQRFVdUvtSpaAs8OFfGQ0ia3LGZcjA6Ik2+xcqscEJzNH+qh8V m5jjp28yZgaqTaRbg3M/+MTbMpicpZuqF4rnB0AQD12/3BNWDR6bmh+EkYSMcEIpQmBM51qM EKYTQGybRCjpnKHGOxG0rfFY1085mBDZCH5Kx0cl0HVJuQKC+dV2ZY5AqjcKwAxpE75MLFkr wkkEGBECAAkFAlk3nEQCGwwACgkQoDSui/t3IH7nnwCfcJWUDUFKdCsBH/E5d+0ZnMQi+G0A nAuWpQkjM1ASeQwSHEeAWPgskBQL XSM is a generic framework, which in particular is also used by SILO. With this it can't really be experimental: Arm enables SILO by default. Signed-off-by: Jan Beulich --- a/SUPPORT.md +++ b/SUPPORT.md @@ -768,13 +768,20 @@ Compile time disabled for ARM by default Status, x86: Supported, not security supported -### XSM & FLASK +### XSM + + Status: Supported + +See below for use with FLASK and SILO. The dummy implementation is covered here +as well. + +### XSM + FLASK Status: Experimental Compile time disabled by default. -Also note that using XSM +Also note that using FLASK to delegate various domain control hypercalls to particular other domains, rather than only permitting use by dom0, is also specifically excluded from security support for many hypercalls. @@ -787,6 +794,10 @@ Please see XSA-77 for more details. The default policy includes FLASK labels and roles for a "typical" Xen-based system with dom0, driver domains, stub domains, domUs, and so on. +### XSM + SILO + + Status: Supported + ## Virtual Hardware, Hypervisor ### x86/Nested PV