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| author | Bandan Das <bsd@redhat.com> | 2017-08-03 15:54:43 -0400 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-08-07 15:29:22 +0200 |
| commit | 41ab93727467c0d5ab71c89ed7048051f33c401b (patch) | |
| tree | 8f6803c77d34b12491d846a6bc177e649697314b /arch/x86/include/asm/vmx.h | |
| parent | 27c42a1bb8674f6bd52766edf6cd99ad6bdd7a46 (diff) | |
| download | blackbird-obmc-linux-41ab93727467c0d5ab71c89ed7048051f33c401b.tar.gz blackbird-obmc-linux-41ab93727467c0d5ab71c89ed7048051f33c401b.zip | |
KVM: nVMX: Emulate EPTP switching for the L1 hypervisor
When L2 uses vmfunc, L0 utilizes the associated vmexit to
emulate a switching of the ept pointer by reloading the
guest MMU.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Bandan Das <bsd@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/vmx.h')
| -rw-r--r-- | arch/x86/include/asm/vmx.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/include/asm/vmx.h b/arch/x86/include/asm/vmx.h index da5375e06e2d..5f63a2ed0f14 100644 --- a/arch/x86/include/asm/vmx.h +++ b/arch/x86/include/asm/vmx.h @@ -115,6 +115,10 @@ #define VMX_MISC_SAVE_EFER_LMA 0x00000020 #define VMX_MISC_ACTIVITY_HLT 0x00000040 +/* VMFUNC functions */ +#define VMX_VMFUNC_EPTP_SWITCHING 0x00000001 +#define VMFUNC_EPTP_ENTRIES 512 + static inline u32 vmx_basic_vmcs_revision_id(u64 vmx_basic) { return vmx_basic & GENMASK_ULL(30, 0); @@ -200,6 +204,8 @@ enum vmcs_field { EOI_EXIT_BITMAP2_HIGH = 0x00002021, EOI_EXIT_BITMAP3 = 0x00002022, EOI_EXIT_BITMAP3_HIGH = 0x00002023, + EPTP_LIST_ADDRESS = 0x00002024, + EPTP_LIST_ADDRESS_HIGH = 0x00002025, VMREAD_BITMAP = 0x00002026, VMWRITE_BITMAP = 0x00002028, XSS_EXIT_BITMAP = 0x0000202C, |
