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mmu: add ept execution only capability check

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check IA32_VMX_EPT_VPID_CAP MSR to see if ept execution only capability
is supported or not

Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
Acked-by: Tian, Kevin <kevin.tian@intel.com>
This commit is contained in:
Jason Chen CJ
2018-04-11 13:13:15 +08:00
committed by Jack Ren
parent b7d57a946b
commit 60425f91b4
2 changed files with 10 additions and 1 deletions
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3
hypervisor/include/arch/x86/msr.h
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@@ -516,7 +516,8 @@
#define MSR_LNC_BIOS_CACHE_AS_RAM 0x000002E0 /* Configure CAR */
/* MSR_IA32_VMX_EPT_VPID_CAP: EPT and VPID capability bits */
#define MSR_VMX_EPT_VPID_CAP_1GB (1UL << 17)/* EPT 1GB page */
#define MSR_VMX_EPT_X_ONLY (1UL << 0)/* Execute Only */
#define MSR_VMX_EPT_VPID_CAP_1GB (1UL << 17)/* EPT 1GB page */
#define MSR_VMX_INVEPT (1UL << 20)/* INVEPT */
#define MSR_VMX_INVEPT_SINGLE_CONTEXT (1UL << 25)/* INVEPT Single */
#define MSR_VMX_INVEPT_GLOBAL_CONTEXT (1UL << 26)/* INVEPT Global */