diff options
| author | Marcelo Tosatti <mtosatti@redhat.com> | 2009-06-11 12:07:40 -0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-09-10 08:32:55 +0300 |
| commit | e799794e02a368f79c3fae26aabaaadd0b7466ce (patch) | |
| tree | f76f49415559a8c81f8bc98566d4e9f0f2856b91 | |
| parent | 71db602322b1197e7951655c46339324b6208bf9 (diff) | |
| download | linux-e799794e02a368f79c3fae26aabaaadd0b7466ce.tar.bz2 | |
KVM: VMX: more MSR_IA32_VMX_EPT_VPID_CAP capability bits
Required for EPT misconfiguration handler.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
| -rw-r--r-- | arch/x86/include/asm/vmx.h | 7 | ||||
| -rw-r--r-- | 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 e7927a639d69..272514c2d456 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 6ee929255a3d..6610181267b1 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); |