diff options
| author | Sheng Yang <sheng.yang@intel.com> | 2008-01-17 15:14:33 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-04-27 11:53:17 +0300 |
| commit | 2384d2b32640839a4d4d260ca7c5aa4edbf68d91 (patch) | |
| tree | 812ba0ea30b2fd59553bc7064b13cc107f276e6b /arch/x86/kvm/vmx.h | |
| parent | adb1ff46754a87f3f6c9e7ee0a92f9a8a183bb38 (diff) | |
KVM: VMX: Enable Virtual Processor Identification (VPID)
To allow TLB entries to be retained across VM entry and VM exit, the VMM
can now identify distinct address spaces through a new virtual-processor ID
(VPID) field of the VMCS.
[avi: drop vpid_sync_all()]
[avi: add "cc" to asm constraints]
Signed-off-by: Sheng Yang <sheng.yang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/x86/kvm/vmx.h')
| -rw-r--r-- | arch/x86/kvm/vmx.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kvm/vmx.h b/arch/x86/kvm/vmx.h index d52ae8d7303d..436ce0f29092 100644 --- a/arch/x86/kvm/vmx.h +++ b/arch/x86/kvm/vmx.h @@ -49,6 +49,7 @@ * Definitions of Secondary Processor-Based VM-Execution Controls. */ #define SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES 0x00000001 +#define SECONDARY_EXEC_ENABLE_VPID 0x00000020 #define SECONDARY_EXEC_WBINVD_EXITING 0x00000040 @@ -65,6 +66,7 @@ /* VMCS Encodings */ enum vmcs_field { + VIRTUAL_PROCESSOR_ID = 0x00000000, GUEST_ES_SELECTOR = 0x00000800, GUEST_CS_SELECTOR = 0x00000802, GUEST_SS_SELECTOR = 0x00000804, @@ -321,4 +323,8 @@ enum vmcs_field { #define APIC_ACCESS_PAGE_PRIVATE_MEMSLOT 9 +#define VMX_NR_VPIDS (1 << 16) +#define VMX_VPID_EXTENT_SINGLE_CONTEXT 1 +#define VMX_VPID_EXTENT_ALL_CONTEXT 2 + #endif |