From: Marcelo Tosatti <[email protected]> Required for EPT misconfiguration handler.
Signed-off-by: Marcelo Tosatti <[email protected]> Signed-off-by: Avi Kivity <[email protected]> --- arch/x86/include/asm/vmx.h | 7 +++++++ arch/x86/kvm/vmx.c | 20 ++++++++++++++++++++ 2 files changed, 27 insertions(+), 0 deletions(-) diff --git a/arch/x86/include/asm/vmx.h b/arch/x86/include/asm/vmx.h index e7927a6..272514c 100644 --- a/arch/x86/include/asm/vmx.h +++ b/arch/x86/include/asm/vmx.h @@ -352,9 +352,16 @@ enum vmcs_field { #define VMX_EPT_EXTENT_INDIVIDUAL_ADDR 0 #define VMX_EPT_EXTENT_CONTEXT 1 #define VMX_EPT_EXTENT_GLOBAL 2 + +#define VMX_EPT_EXECUTE_ONLY_BIT (1ull) +#define VMX_EPT_PAGE_WALK_4_BIT (1ull << 6) +#define VMX_EPTP_UC_BIT (1ull << 8) +#define VMX_EPTP_WB_BIT (1ull << 14) +#define VMX_EPT_2MB_PAGE_BIT (1ull << 16) #define VMX_EPT_EXTENT_INDIVIDUAL_BIT (1ull << 24) #define VMX_EPT_EXTENT_CONTEXT_BIT (1ull << 25) #define VMX_EPT_EXTENT_GLOBAL_BIT (1ull << 26) + #define VMX_EPT_DEFAULT_GAW 3 #define VMX_EPT_MAX_GAW 0x4 #define VMX_EPT_MT_EPTE_SHIFT 3 diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 6ee9292..6610181 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -270,6 +270,26 @@ static inline bool cpu_has_vmx_flexpriority(void) cpu_has_vmx_virtualize_apic_accesses(); } +static inline bool cpu_has_vmx_ept_execute_only(void) +{ + return !!(vmx_capability.ept & VMX_EPT_EXECUTE_ONLY_BIT); +} + +static inline bool cpu_has_vmx_eptp_uncacheable(void) +{ + return !!(vmx_capability.ept & VMX_EPTP_UC_BIT); +} + +static inline bool cpu_has_vmx_eptp_writeback(void) +{ + return !!(vmx_capability.ept & VMX_EPTP_WB_BIT); +} + +static inline bool cpu_has_vmx_ept_2m_page(void) +{ + return !!(vmx_capability.ept & VMX_EPT_2MB_PAGE_BIT); +} + static inline int cpu_has_vmx_invept_individual_addr(void) { return !!(vmx_capability.ept & VMX_EPT_EXTENT_INDIVIDUAL_BIT); -- 1.6.3.3 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
