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Mon, 14 Jul 2025 05:28:07 -0400 Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jul 2025 02:28:01 -0700 Received: from lxy-clx-4s.sh.intel.com ([10.239.48.52]) by orviesa002.jf.intel.com with ESMTP; 14 Jul 2025 02:28:01 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1752485285; x=1784021285; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=qn9gJigVS/thIyBLmze218xHraAxu/hvkldIETa3c+M=; b=AqUCWs4P1Xuc++0sDIXA6NPctdNaObQp22Vli2cSFAfRzqRj12ppmuPJ 9bYXqLAgL1Ljk+AZLxlhY7IAg1LN3Hu0QTDlMgMmEkvwGu+4s+GbjvUQl fVskjN3LG7lNQDMgFZhFAVDkvl6rcvcnh0q61PydkkkNM1CG7ThJofhHA FJKTO+qdO2sBb6FbSPrRQbEdKVtxBONLXgt4L4MN4Y9Rpm8WwuwNILzNa sycQ/TlOUkYvKbUlqoM5JxmRQ2/AWFpHw9W1VmdfW3wQlpulIOMOT1Cyd AfJ41/VznLj5xcC4gNQ1OKd4HjBE2XEAgJ/lCO517XfMuL2GZzjHZLVuu A==; X-CSE-ConnectionGUID: gkUi0Z6NSpKxRJ8a579ZEQ== X-CSE-MsgGUID: lY5Cj03MT4SBO4hlgQZzDw== X-IronPort-AV: E=McAfee;i="6800,10657,11491"; a="66029264" X-IronPort-AV: E=Sophos;i="6.16,310,1744095600"; d="scan'208";a="66029264" X-CSE-ConnectionGUID: CFL/ZywTTUyfOMt46S66MA== X-CSE-MsgGUID: T+1Ues2TQW6OIOl5MUMI2w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,310,1744095600"; d="scan'208";a="187882728" From: Xiaoyao Li To: Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= Cc: qemu-devel@nongnu.org, Xiaoyao Li Subject: [PATCH 1/5] qemu-options: Move sgx-epc options from "M" to "machine" Date: Mon, 14 Jul 2025 17:19:49 +0800 Message-ID: <20250714091953.448226-2-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250714091953.448226-1-xiaoyao.li@intel.com> References: <20250714091953.448226-1-xiaoyao.li@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=192.198.163.10; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.com X-Spam_score_int: -33 X-Spam_score: -3.4 X-Spam_bar: --- X-Spam_report: (-3.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.999, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1752486306018116600 Content-Type: text/plain; charset="utf-8" It's weird to only put sgx-epc option in "M" while leaving others to "machine". Besides currently in qemu-manpage.html, the "sgx-epc" option is listed at the same level of "-machine", which looks incorrect. Move "sgx-epc" ontion to "-machine" to address all above. Signed-off-by: Xiaoyao Li Reviewed-by: Daniel P. Berrang=C3=A9 --- qemu-options.hx | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/qemu-options.hx b/qemu-options.hx index 1f862b19a676..740323f22bc2 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -43,7 +43,8 @@ DEF("machine", HAS_ARG, QEMU_OPTION_machine, \ #endif " memory-backend=3D'backend-id' specifies explicitly pr= ovided backend for main RAM (default=3Dnone)\n" " cxl-fmw.0.targets.0=3Dfirsttarget,cxl-fmw.0.targets.1= =3Dsecondtarget,cxl-fmw.0.size=3Dsize[,cxl-fmw.0.interleave-granularity=3Dg= ranularity]\n" - " smp-cache.0.cache=3Dcachename,smp-cache.0.topology=3D= topologylevel\n", + " smp-cache.0.cache=3Dcachename,smp-cache.0.topology=3D= topologylevel\n" + " sgx-epc.0.memdev=3Dmemid,sgx-epc.0.node=3Dnumaid\n", QEMU_ARCH_ALL) SRST ``-machine [type=3D]name[,prop=3Dvalue[,...]]`` @@ -200,17 +201,13 @@ SRST :: =20 -machine smp-cache.0.cache=3Dl1d,smp-cache.0.topology=3Dcore,s= mp-cache.1.cache=3Dl1i,smp-cache.1.topology=3Dcore -ERST - -DEF("M", HAS_ARG, QEMU_OPTION_M, - " sgx-epc.0.memdev=3Dmemid,sgx-epc.0.node=3Dnumaid\n", - QEMU_ARCH_ALL) =20 -SRST -``sgx-epc.0.memdev=3D@var{memid},sgx-epc.0.node=3D@var{numaid}`` - Define an SGX EPC section. + ``sgx-epc.0.memdev=3D@var{memid},sgx-epc.0.node=3D@var{numaid}`` + Define an SGX EPC section. ERST =20 +DEF("M", HAS_ARG, QEMU_OPTION_M, "", QEMU_ARCH_ALL) + DEF("cpu", HAS_ARG, QEMU_OPTION_cpu, "-cpu cpu select CPU ('-cpu help' for list)\n", QEMU_ARCH_ALL) SRST --=20 2.43.0 From nobody Sun Dec 14 02:06:18 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass header.i=@intel.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1752485826; cv=none; d=zohomail.com; s=zohoarc; b=Fa4v4cRxUv301VwU7uSRodPeJjpVXocTJRkgjzOgSOdfzVrBlQrZtMuQSITkHp1uxxNTGOHyf8bwJIpVJLkb4b1ZOdSjtDDOEGxAm29RBOhngqsVw7yiMs3D1OSiAsTuOB9MtGBjzXYdN1bG1I8uwKJQqozt2glwi619kf31gSk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1752485826; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; 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X-CSE-ConnectionGUID: Ke0/pcISTci9XuxU5a/GPA== X-CSE-MsgGUID: l223o21qTueC1tSyHsjmuw== X-IronPort-AV: E=McAfee;i="6800,10657,11491"; a="66029273" X-IronPort-AV: E=Sophos;i="6.16,310,1744095600"; d="scan'208";a="66029273" X-CSE-ConnectionGUID: kO1cpXzjQ0WNebkH7jYOGA== X-CSE-MsgGUID: 9pOi4A94S/+1CJGBMvpreA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,310,1744095600"; d="scan'208";a="187882736" From: Xiaoyao Li To: Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= Cc: qemu-devel@nongnu.org, Xiaoyao Li Subject: [PATCH 2/5] i386/sev: Remove the example that references memory-encryption Date: Mon, 14 Jul 2025 17:19:50 +0800 Message-ID: <20250714091953.448226-3-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250714091953.448226-1-xiaoyao.li@intel.com> References: <20250714091953.448226-1-xiaoyao.li@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" "confidential-guest-support" is the recommended property to configure sev for the machine, and amd-memory-encryption.rst has already switched to use "confidential-guest-support" in the example. Instead of changing "memory-encryption" to "confidential-guest-support" in the comment of struct SevGuestState, just drop the example for simplicity. Signed-off-by: Xiaoyao Li Reviewed-by: Daniel P. Berrang=C3=A9 --- target/i386/sev.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/target/i386/sev.c b/target/i386/sev.c index 1a12f0671cc6..b1831e9ab14e 100644 --- a/target/i386/sev.c +++ b/target/i386/sev.c @@ -131,10 +131,6 @@ struct SevCommonStateClass { * * The SevGuestState object is used for creating and managing a SEV * guest. - * - * # $QEMU \ - * -object sev-guest,id=3Dsev0 \ - * -machine ...,memory-encryption=3Dsev0 */ struct SevGuestState { SevCommonState parent_obj; --=20 2.43.0 From nobody Sun Dec 14 02:06:18 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass header.i=@intel.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1752486267; cv=none; d=zohomail.com; s=zohoarc; b=bc/Okn/EscR3Flb4+kuQ/NxR0itRPtWxeC6xUqq4eWQFmzlJ5FaiGwMmuGiQcty1dCZ0Eyg5uinIi09awlvcXsf1enKL51seXrAfNfWJdj8Z+OBJNVGng7Hm/KmAcjorNy1rjee8/MaVyPpmQjgPkqmbrd8JLLWieD5Fi+5ZeSI= ARC-Message-Signature: i=1; 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charset="utf-8" "confidential-guest-support" is the recommended property instead of "memory-encryption". Switch to "confidential-guest-support" in the example of sev-guest. Signed-off-by: Xiaoyao Li Reviewed-by: Daniel P. Berrang=C3=A9 --- qemu-options.hx | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/qemu-options.hx b/qemu-options.hx index 740323f22bc2..27b7b79c6cad 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -5986,7 +5986,7 @@ SRST # |qemu_system_x86| \\ ...... \\ -object sev-guest,id=3Dsev0,cbitpos=3D47,reduced-phys-bit= s=3D1 \\ - -machine ...,memory-encryption=3Dsev0 \\ + -machine ...,confidential-guest-support=3Dsev0 \\ ..... =20 ``-object authz-simple,id=3Did,identity=3Dstring`` --=20 2.43.0 From nobody Sun Dec 14 02:06:18 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass header.i=@intel.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1752486374; cv=none; d=zohomail.com; s=zohoarc; b=Fd3tiwf3pO+fuSBimgfO/z5NjSqlUquztF2pqXvw7BzAMNVUPDTwggb6ogeD1stFiV5RYc3ZpkDXeX+KNXYfuZ9gpuBN/y82oT2pYh9mlcHYkAP/MO381meQHkDAjHFLzQUTegDcSyu/QMsQZu3v6ql56udjyL0UyUQ9iWRl6Rs= ARC-Message-Signature: i=1; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=192.198.163.10; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.com X-Spam_score_int: -33 X-Spam_score: -3.4 X-Spam_bar: --- X-Spam_report: (-3.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.999, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1752486376717116600 Content-Type: text/plain; charset="utf-8" "confidential-guest-support" is the recommended property to configure machine with confidential computing technology instead of "memory-encryption". Add "confidential-guest-support" to machine options and call out explicitly "memory-encryption" is the alias of it and not recommended. Signed-off-by: Xiaoyao Li Reviewed-by: Daniel P. Berrang=C3=A9 --- qemu-options.hx | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/qemu-options.hx b/qemu-options.hx index 27b7b79c6cad..5c400114c2e5 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -36,7 +36,8 @@ DEF("machine", HAS_ARG, QEMU_OPTION_machine, \ " dea-key-wrap=3Don|off controls support for DEA key wr= apping (default=3Don)\n" " suppress-vmdesc=3Don|off disables self-describing mig= ration (default=3Doff)\n" " nvdimm=3Don|off controls NVDIMM support (default=3Dof= f)\n" - " memory-encryption=3D@var{} memory encryption object t= o use (default=3Dnone)\n" + " confidential-guest-support=3D'object-id' specifies co= nfidential guest support object (default=3Dnone)\n" + " memory-encryption=3D'object-id' (memory-encryption is= the alias of confidential-guest-support, recommend to use confidential-gue= st-support)\n" " hmat=3Don|off controls ACPI HMAT support (default=3Do= ff)\n" #ifdef CONFIG_POSIX " aux-ram-share=3Don|off allocate auxiliary guest RAM a= s shared (default: off)\n" @@ -99,8 +100,12 @@ SRST ``nvdimm=3Don|off`` Enables or disables NVDIMM support. The default is off. =20 + ``confidential-guest-support=3D`` + confidential guest support object to use. The default is none. + ``memory-encryption=3D`` - Memory encryption object to use. The default is none. + The alias of ``confidential-guest-support``. Recommend to use + confidential-guest-support. =20 ``hmat=3Don|off`` Enables or disables ACPI Heterogeneous Memory Attribute Table --=20 2.43.0 From nobody Sun Dec 14 02:06:18 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass header.i=@intel.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1752485621; cv=none; d=zohomail.com; s=zohoarc; b=eaqal0gi8pSrEoMu6vkmy8T8ireBeUyUpmIXhNyBz4hGwu7MPdKUNI0Lu3fKPKMEs+HYSUvPwLAkNjGvUWt4UhktQrWT+Zx42UCoHwHSlSby2KTLtq1tNub0D1i35lWQ+srw1f38a3Vw5CJTdIkyE/deAi3wBLPF06iw/IPiVRw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1752485621; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; 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X-CSE-ConnectionGUID: H9jhb7aESqezeglaVFAbTQ== X-CSE-MsgGUID: MxJhBUf3St+KEHGkxavFsw== X-IronPort-AV: E=McAfee;i="6800,10657,11491"; a="66029304" X-IronPort-AV: E=Sophos;i="6.16,310,1744095600"; d="scan'208";a="66029304" X-CSE-ConnectionGUID: gHTvAJr6TF6P+PilZuLMiw== X-CSE-MsgGUID: Celz1Q8ARmmuzhsWgoHPvg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,310,1744095600"; d="scan'208";a="187882753" From: Xiaoyao Li To: Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= Cc: qemu-devel@nongnu.org, Xiaoyao Li Subject: [PATCH 5/5] qemu-options: Add description of tdx-guest object Date: Mon, 14 Jul 2025 17:19:53 +0800 Message-ID: <20250714091953.448226-6-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250714091953.448226-1-xiaoyao.li@intel.com> References: <20250714091953.448226-1-xiaoyao.li@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" Add description of tdx-guest object so that QEMU doc page can have the description. Signed-off-by: Xiaoyao Li --- qemu-options.hx | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/qemu-options.hx b/qemu-options.hx index 5c400114c2e5..50c7874bbce9 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -5994,6 +5994,46 @@ SRST -machine ...,confidential-guest-support=3Dsev0 \\ ..... =20 + ``-object tdx-guest,id=3Did,[attributes=3Dattrs,sept-ve-disable=3Don|o= ff,mrconfigid=3Dsha384_digest,mrowner=3Dsha384_digest,mrownerconfig=3Dsha38= 4_digest,quote-generation-socket=3Dsocketaddr]`` + Create an Intel Trusted Domain eXtensions (TDX) guest object, whic= h is + the type of ``confidentiala-guest-support`` object. When pass the = object + ID to machine's ``confidentiala-guest-support`` property, it can c= reate + a TDX guest. + + The ``attributes`` is a 64-bit integer, which specifies the TD + attributes of the TD. + + The ``sept-ve-disable`` controls the bit 28 of TD attributes + specifically. When it's on, the EPT violation conversion to #VE on + guest access of PENDING pages is disabled. Some guest OS (e.g., Li= nux + TD guest) may require this to be set, otherwise they refuse to boo= t. + The default value is on. + + The ``mrconfigid`` is base64 encoded SHA384 digest, which provides= the + ID for non-owner-defined configuration of the guest TD, e.g., run-= time + or OS configuration. The default value is all zeros. + + The ``mrowner`` is base64 encoded SHA384 digest, which provides th= e ID + for guest TD's owner. The default value is all zeros. + + The ``mrownerconfig`` is base64 encoded SHA384 digest, which provi= des + the ID for owner-defined configuration of the guest TD, e.g., the + configuration specific to the workload rather than the run-time of= OS. + The default value is all zeros. + + The ``quote-generation-socket`` specifies the socket address of the + Quote Generation Service (QGS). QGS is a daemon running on the hos= t. + QEMU forwards the request from TD guest to QGS and sent= s the + reply (which contains generated QUOTE on success) from QGS to gues= t TD. + + .. parsed-literal:: + + # |qemu_system_x86| \\ + ... \\ + -object tdx-guest,id=3Dtdx0, \\ + -machine ...,confidential-guest-support=3Dtdx0 \\ + ... + ``-object authz-simple,id=3Did,identity=3Dstring`` Create an authorization object that will control access to network services. --=20 2.43.0