Messages in this thread Patch in this message | | | Subject | [PATCH v4 01/12] KVM: SVM: Introduce vmcb_set_intercept, vmcb_clr_intercept and vmcb_is_intercept | From | Babu Moger <> | Date | Thu, 06 Aug 2020 19:46:28 -0500 |
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This is in preparation for the future intercept vector additions.
Add new functions vmcb_set_intercept, vmcb_clr_intercept and vmcb_is_intercept using kernel APIs __set_bit, __clear_bit and test_bit espectively.
Signed-off-by: Babu Moger <babu.moger@amd.com> --- arch/x86/kvm/svm/svm.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index 6ac4c00a5d82..9f3c4ce2498d 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -217,6 +217,21 @@ static inline struct vmcb *get_host_vmcb(struct vcpu_svm *svm) return svm->vmcb; } +static inline void vmcb_set_intercept(struct vmcb_control_area *control, int bit) +{ + __set_bit(bit, (unsigned long *)&control->intercept_cr); +} + +static inline void vmcb_clr_intercept(struct vmcb_control_area *control, int bit) +{ + __clear_bit(bit, (unsigned long *)&control->intercept_cr); +} + +static inline bool vmcb_is_intercept(struct vmcb_control_area *control, int bit) +{ + return test_bit(bit, (unsigned long *)&control->intercept_cr); +} + static inline void set_cr_intercept(struct vcpu_svm *svm, int bit) { struct vmcb *vmcb = get_host_vmcb(svm);
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