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| author | Babu Moger <babu.moger@amd.com> | 2020-09-11 22:27:58 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-09-28 14:57:13 +0300 |
| commit | c45ad7229d139ad48e894a271f8df6975e53d12e (patch) | |
| tree | 0211835bcbb626176211c45fe36a2c33ac155c2b /arch/x86/kvm/svm/svm.h | |
| parent | a90c1ed9f11dbc3d37664a8561e50e3f3695c539 (diff) | |
| download | linux-c45ad7229d139ad48e894a271f8df6975e53d12e.tar.xz | |
KVM: SVM: Introduce vmcb_(set_intercept/clr_intercept/_is_intercept)
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>
Reviewed-by: Jim Mattson <jmattson@google.com>
Message-Id: <159985247876.11252.16039238014239824460.stgit@bmoger-ubuntu>
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 | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index e3aca71b24ab..83202c40857e 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -213,6 +213,24 @@ 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, u32 bit) +{ + WARN_ON_ONCE(bit >= 32 * MAX_INTERCEPT); + __set_bit(bit, (unsigned long *)&control->intercepts); +} + +static inline void vmcb_clr_intercept(struct vmcb_control_area *control, u32 bit) +{ + WARN_ON_ONCE(bit >= 32 * MAX_INTERCEPT); + __clear_bit(bit, (unsigned long *)&control->intercepts); +} + +static inline bool vmcb_is_intercept(struct vmcb_control_area *control, u32 bit) +{ + WARN_ON_ONCE(bit >= 32 * MAX_INTERCEPT); + return test_bit(bit, (unsigned long *)&control->intercepts); +} + static inline void set_cr_intercept(struct vcpu_svm *svm, int bit) { struct vmcb *vmcb = get_host_vmcb(svm); |