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| author | Maxim Levitsky <mlevitsk@redhat.com> | 2022-03-01 17:36:46 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-04-02 12:41:11 +0300 |
| commit | b9f3973ab3a80141a6decc34f4740e6494ca7d51 (patch) | |
| tree | 9207b30f8c8a15205fc1c1de2118bc030d68a296 /arch/x86/kvm/svm/svm.h | |
| parent | 6c2fa8b20d0cad3719b024ba0f25a50199a90c9a (diff) | |
| download | linux-b9f3973ab3a80141a6decc34f4740e6494ca7d51.tar.xz | |
KVM: x86: nSVM: implement nested VMLOAD/VMSAVE
This was tested by booting L1,L2,L3 (all Linux) and checking
that no VMLOAD/VMSAVE vmexits happened.
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20220301143650.143749-4-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/svm/svm.h')
| -rw-r--r-- | arch/x86/kvm/svm/svm.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index f77a7d2d39dd..468f149556dd 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -231,9 +231,10 @@ struct vcpu_svm { unsigned int3_injected; unsigned long int3_rip; - /* cached guest cpuid flags for faster access */ + /* optional nested SVM features that are enabled for this guest */ bool nrips_enabled : 1; bool tsc_scaling_enabled : 1; + bool v_vmload_vmsave_enabled : 1; u32 ldr_reg; u32 dfr_reg; @@ -481,6 +482,11 @@ static inline bool gif_set(struct vcpu_svm *svm) return !!(svm->vcpu.arch.hflags & HF_GIF_MASK); } +static inline bool nested_npt_enabled(struct vcpu_svm *svm) +{ + return svm->nested.ctl.nested_ctl & SVM_NESTED_CTL_NP_ENABLE; +} + /* svm.c */ #define MSR_INVALID 0xffffffffU |