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| author | Xiaoyao Li <xiaoyao.li@intel.com> | 2024-10-30 12:00:38 -0700 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2025-03-14 14:20:51 -0400 |
| commit | 20d913729c116a43119de76d346e0d3da0dc856b (patch) | |
| tree | b7551bc558b4567b7b055d1b6a56419b3efd0671 /arch/x86/kvm/cpuid.h | |
| parent | 488808e682e72bdb15a579d61f5b90ece92ba83c (diff) | |
KVM: x86/mmu: Taking guest pa into consideration when calculate tdp level
For TDX, the maxpa (CPUID.0x80000008.EAX[7:0]) is fixed as native and
the max_gpa (CPUID.0x80000008.EAX[23:16]) is configurable and used
to configure the EPT level and GPAW.
Use max_gpa to determine the TDP level.
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/cpuid.h')
| -rw-r--r-- | arch/x86/kvm/cpuid.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h index 69ae6768e830..5c174421a4d9 100644 --- a/arch/x86/kvm/cpuid.h +++ b/arch/x86/kvm/cpuid.h @@ -59,6 +59,7 @@ void __init kvm_init_xstate_sizes(void); u32 xstate_required_size(u64 xstate_bv, bool compacted); int cpuid_query_maxphyaddr(struct kvm_vcpu *vcpu); +int cpuid_query_maxguestphyaddr(struct kvm_vcpu *vcpu); u64 kvm_vcpu_reserved_gpa_bits_raw(struct kvm_vcpu *vcpu); static inline int cpuid_maxphyaddr(struct kvm_vcpu *vcpu) |