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Subject[PATCH v6 03/11] x86: define IA32_FEATURE_CONTROL.SGX_ENABLE
Date
From: Sean Christopherson <sean.j.christopherson@intel.com>

When IA32_FEATURE_CONTROL.SGX_ENABLE and IA32_FEATURE_CONTROL.LOCK are
set by the pre-boot firmware, SGX is usable by the OS.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
---
arch/x86/include/asm/msr-index.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 17f5c12e1afd..b35cb98b5d60 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -435,6 +435,7 @@
#define FEATURE_CONTROL_LOCKED (1<<0)
#define FEATURE_CONTROL_VMXON_ENABLED_INSIDE_SMX (1<<1)
#define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX (1<<2)
+#define FEATURE_CONTROL_SGX_ENABLE (1<<18)
#define FEATURE_CONTROL_LMCE (1<<20)

#define MSR_IA32_APICBASE 0x0000001b
--
2.14.1
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