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Wed, 14 Feb 2024 22:31:33 GMT Received: from pps.reinject (localhost [127.0.0.1]) by iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 3w5yk9n76t-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 14 Feb 2024 22:31:33 +0000 Received: from iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 41EMVTV0004281; Wed, 14 Feb 2024 22:31:33 GMT Received: from bur-virt-x6-2-100.us.oracle.com (bur-virt-x6-2-100.us.oracle.com [10.153.92.40]) by iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 3w5yk9n72r-4 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 14 Feb 2024 22:31:32 +0000 From: Ross Philipson To: linux-kernel@vger.kernel.org, x86@kernel.org, linux-integrity@vger.kernel.org, linux-doc@vger.kernel.org, linux-crypto@vger.kernel.org, kexec@lists.infradead.org, linux-efi@vger.kernel.org Cc: ross.philipson@oracle.com, dpsmith@apertussolutions.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, dave.hansen@linux.intel.com, ardb@kernel.org, mjg59@srcf.ucam.org, James.Bottomley@hansenpartnership.com, peterhuewe@gmx.de, jarkko@kernel.org, jgg@ziepe.ca, luto@amacapital.net, nivedita@alum.mit.edu, herbert@gondor.apana.org.au, davem@davemloft.net, kanth.ghatraju@oracle.com, trenchboot-devel@googlegroups.com Subject: [PATCH v8 03/15] x86: Secure Launch Kconfig Date: Wed, 14 Feb 2024 14:18:35 -0800 Message-Id: <20240214221847.2066632-4-ross.philipson@oracle.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20240214221847.2066632-1-ross.philipson@oracle.com> References: <20240214221847.2066632-1-ross.philipson@oracle.com> Precedence: bulk X-Mailing-List: linux-integrity@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-02-14_14,2024-02-14_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=999 phishscore=0 mlxscore=0 bulkscore=0 spamscore=0 malwarescore=0 adultscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2402140170 X-Proofpoint-ORIG-GUID: qEOAt4N6P_IfV-bRj579FavWBYHDulDu X-Proofpoint-GUID: qEOAt4N6P_IfV-bRj579FavWBYHDulDu Initial bits to bring in Secure Launch functionality. Add Kconfig options for compiling in/out the Secure Launch code. Signed-off-by: Ross Philipson --- arch/x86/Kconfig | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 5edec175b9bf..d96d75f6f1a9 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -2071,6 +2071,18 @@ config EFI_RUNTIME_MAP See also Documentation/ABI/testing/sysfs-firmware-efi-runtime-map. +config SECURE_LAUNCH + bool "Secure Launch support" + default n + depends on X86_64 && X86_X2APIC + help + The Secure Launch feature allows a kernel to be loaded + directly through an Intel TXT measured launch. Intel TXT + establishes a Dynamic Root of Trust for Measurement (DRTM) + where the CPU measures the kernel image. This feature then + continues the measurement chain over kernel configuration + information and init images. + source "kernel/Kconfig.hz" config ARCH_SUPPORTS_KEXEC