From: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
To: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Peter Zijlstra <peterz@infradead.org>,
Andy Lutomirski <luto@kernel.org>
Cc: Peter H Anvin <hpa@zytor.com>,
Dave Hansen <dave.hansen@intel.com>,
Tony Luck <tony.luck@intel.com>,
Dan Williams <dan.j.williams@intel.com>,
Andi Kleen <ak@linux.intel.com>,
Kirill Shutemov <kirill.shutemov@linux.intel.com>,
Sean Christopherson <seanjc@google.com>,
Kuppuswamy Sathyanarayanan <knsathya@kernel.org>,
Kuppuswamy Sathyanarayanan
<sathyanarayanan.kuppuswamy@linux.intel.com>,
x86@kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v3 02/11] x86/tdx: Introduce INTEL_TDX_GUEST config option
Date: Fri, 18 Jun 2021 15:57:46 -0700 [thread overview]
Message-ID: <20210618225755.662725-3-sathyanarayanan.kuppuswamy@linux.intel.com> (raw)
In-Reply-To: <20210618225755.662725-1-sathyanarayanan.kuppuswamy@linux.intel.com>
Add INTEL_TDX_GUEST config option to selectively compile
TDX guest support.
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
---
arch/x86/Kconfig | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 0045e1b44190..ff79263aebd1 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -876,6 +876,21 @@ config ACRN_GUEST
IOT with small footprint and real-time features. More details can be
found in https://projectacrn.org/.
+config INTEL_TDX_GUEST
+ bool "Intel Trusted Domain eXtensions Guest Support"
+ depends on X86_64 && CPU_SUP_INTEL && PARAVIRT
+ depends on SECURITY
+ select PARAVIRT_XL
+ select X86_X2APIC
+ select SECURITY_LOCKDOWN_LSM
+ help
+ Provide support for running in a trusted domain on Intel processors
+ equipped with Trusted Domain eXtenstions. TDX is a new Intel
+ technology that extends VMX and Memory Encryption with a new kind of
+ virtual machine guest called Trust Domain (TD). A TD is designed to
+ run in a CPU mode that protects the confidentiality of TD memory
+ contents and the TD’s CPU state from other software, including VMM.
+
endif #HYPERVISOR_GUEST
source "arch/x86/Kconfig.cpu"
--
2.25.1
next prev parent reply other threads:[~2021-06-18 22:58 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-18 22:57 [PATCH v3 00/11] Add TDX Guest Support (Initial support) Kuppuswamy Sathyanarayanan
2021-06-18 22:57 ` [PATCH v3 01/11] x86/paravirt: Move halt paravirt calls under CONFIG_PARAVIRT Kuppuswamy Sathyanarayanan
2021-06-18 22:57 ` Kuppuswamy Sathyanarayanan [this message]
2021-06-19 11:59 ` [PATCH v3 02/11] x86/tdx: Introduce INTEL_TDX_GUEST config option Juergen Gross
2021-06-19 17:11 ` Kuppuswamy, Sathyanarayanan
2021-06-18 22:57 ` [PATCH v3 03/11] x86/cpufeatures: Add TDX Guest CPU feature Kuppuswamy Sathyanarayanan
2021-06-18 23:39 ` Borislav Petkov
2021-06-19 0:13 ` Kuppuswamy, Sathyanarayanan
2021-06-19 6:38 ` Borislav Petkov
2021-07-15 11:56 ` Xiaoyao Li
2021-07-19 5:10 ` Kuppuswamy, Sathyanarayanan
2021-06-18 22:57 ` [PATCH v3 04/11] x86: Introduce generic protected guest abstraction Kuppuswamy Sathyanarayanan
2021-06-24 15:01 ` Borislav Petkov
2021-06-24 17:58 ` Kuppuswamy, Sathyanarayanan
2021-06-28 17:52 ` Tom Lendacky
2021-06-28 18:59 ` Tom Lendacky
2021-06-28 19:14 ` Kuppuswamy, Sathyanarayanan
2021-06-29 19:47 ` Tom Lendacky
2021-06-18 22:57 ` [PATCH v3 05/11] x86/tdx: Add __tdx_module_call() and __tdx_hypercall() helper functions Kuppuswamy Sathyanarayanan
2021-06-18 22:57 ` [PATCH v3 06/11] x86/tdx: Get TD execution environment information via TDINFO Kuppuswamy Sathyanarayanan
2021-06-18 22:57 ` [PATCH v3 07/11] x86/traps: Add #VE support for TDX guest Kuppuswamy Sathyanarayanan
2021-06-18 22:57 ` [PATCH v3 08/11] x86/tdx: Add HLT " Kuppuswamy Sathyanarayanan
2021-06-18 22:57 ` [PATCH v3 09/11] x86/tdx: Wire up KVM hypercalls Kuppuswamy Sathyanarayanan
2021-06-18 22:57 ` [PATCH v3 10/11] x86/tdx: Add MSR support for TDX guest Kuppuswamy Sathyanarayanan
2021-06-18 22:57 ` [PATCH v3 11/11] x86/tdx: Handle CPUID via #VE Kuppuswamy Sathyanarayanan
2021-06-30 23:22 ` [PATCH v3 00/11] Add TDX Guest Support (Initial support) Sathyanarayanan Kuppuswamy Natarajan
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