From: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
To: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
x86@kernel.org, Paolo Bonzini <pbonzini@redhat.com>,
Juergen Gross <jgross@suse.com>, Deep Shah <sdeep@vmware.com>,
VMware Inc <pv-drivers@vmware.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.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>,
linux-kernel@vger.kernel.org
Subject: [PATCH v7 03/12] x86/tdx: Introduce INTEL_TDX_GUEST config option
Date: Thu, 16 Sep 2021 11:35:41 -0700 [thread overview]
Message-ID: <20210916183550.15349-4-sathyanarayanan.kuppuswamy@linux.intel.com> (raw)
In-Reply-To: <20210916183550.15349-1-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>
---
Changes since v6:
* None
Changes since v5:
* None
Changes since v4:
* None
Changes since v3:
* Removed PARAVIRT_XL from dependency list.
* Fixed typo in help content.
arch/x86/Kconfig | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 2b2a9639d8ae..6ed6afee0424 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -865,6 +865,20 @@ 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 X86_X2APIC
+ select SECURITY_LOCKDOWN_LSM
+ help
+ Provide support for running in a trusted domain on Intel processors
+ equipped with Trusted Domain eXtensions. 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:[~2021-09-16 18:36 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-16 18:35 [PATCH v7 00/12] Add TDX Guest Support (Initial support) Kuppuswamy Sathyanarayanan
2021-09-16 18:35 ` [PATCH v7 01/12] x86/tdx: Add Intel ARCH support to cc_platform_has() Kuppuswamy Sathyanarayanan
2021-09-16 18:44 ` Dave Hansen
2021-09-16 19:06 ` Borislav Petkov
2021-09-16 19:57 ` Dave Hansen
2021-09-17 16:57 ` Borislav Petkov
2021-09-28 11:11 ` Borislav Petkov
2021-09-16 18:35 ` [PATCH v7 02/12] x86/paravirt: Move halt paravirt calls under CONFIG_PARAVIRT Kuppuswamy Sathyanarayanan
2021-09-16 18:35 ` Kuppuswamy Sathyanarayanan [this message]
2021-09-16 18:35 ` [PATCH v7 04/12] x86/cpufeatures: Add TDX Guest CPU feature Kuppuswamy Sathyanarayanan
2021-09-23 10:02 ` Borislav Petkov
2021-09-23 14:10 ` Kuppuswamy, Sathyanarayanan
2021-09-23 14:16 ` Borislav Petkov
2021-09-23 14:20 ` Kuppuswamy, Sathyanarayanan
2021-09-16 18:35 ` [PATCH v7 05/12] x86/tdx: Add TDX guest support to intel_cc_platform_has() Kuppuswamy Sathyanarayanan
2021-09-23 10:36 ` Borislav Petkov
2021-09-23 14:10 ` Kuppuswamy, Sathyanarayanan
2021-09-16 18:35 ` [PATCH v7 06/12] x86/tdx: Add __tdx_module_call() and __tdx_hypercall() helper functions Kuppuswamy Sathyanarayanan
2021-09-16 18:35 ` [PATCH v7 07/12] x86/traps: Add #VE support for TDX guest Kuppuswamy Sathyanarayanan
2021-09-16 18:35 ` [PATCH v7 08/12] x86/tdx: Add HLT " Kuppuswamy Sathyanarayanan
2021-09-23 18:09 ` Borislav Petkov
2021-09-23 19:33 ` Kuppuswamy, Sathyanarayanan
2021-09-24 20:00 ` Kuppuswamy, Sathyanarayanan
2021-09-16 18:35 ` [PATCH v7 09/12] x86/tdx: Wire up KVM hypercalls Kuppuswamy Sathyanarayanan
2021-09-16 18:35 ` [PATCH v7 10/12] x86/tdx: Add MSR support for TDX guest Kuppuswamy Sathyanarayanan
2021-09-16 18:35 ` [PATCH v7 11/12] x86/tdx: Don't write CSTAR MSR on Intel Kuppuswamy Sathyanarayanan
2021-09-16 18:35 ` [PATCH v7 12/12] x86/tdx: Handle CPUID via #VE Kuppuswamy Sathyanarayanan
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