Initial bits to bring in Secure Launch functionality. Add Kconfig
options for compiling in/out the Secure Launch code.

Signed-off-by: Ross Philipson <[email protected]>
---
 arch/x86/Kconfig | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 9f5bd41..3f69aeb 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1983,6 +1983,40 @@ config EFI_MIXED
 
           If unsure, say N.
 
+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.
+
+config SECURE_LAUNCH_ALT_DLME_AUTHORITY
+       bool "Secure Launch Alternate DLME Authority PCR"
+       default n
+       depends on SECURE_LAUNCH
+       help
+          As the DLME environment, Secure Launch by default measures
+          the configuration information as the DLME Authority into
+          PCR18. This feature allows separating these measurements
+          into the TCG DRTM specification PCR (PCR.DLME_AUTHORITY),
+          PCR19.
+
+config SECURE_LAUNCH_ALT_DLME_DETAIL
+       bool "Secure Launch Alternate DLME Detail PCR"
+       default n
+       depends on SECURE_LAUNCH
+       help
+          As the DLME environment, Secure Launch by default measures
+          the image data like any external initrd as a DRTM Detail
+          into PCR17. This feature allows separating these
+          measurements into the Secure Launch's Detail PCR
+          (PCR.DLME_DETAIL), PCR20.
+
 source "kernel/Kconfig.hz"
 
 config KEXEC
-- 
1.8.3.1

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