diff options
Diffstat (limited to 'arch/x86/kvm/svm/svm.h')
| -rw-r--r-- | arch/x86/kvm/svm/svm.h | 35 |
1 files changed, 29 insertions, 6 deletions
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index 50b95e8115dd..6b822f790106 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -239,6 +239,7 @@ struct vcpu_svm { bool lbrv_enabled : 1; bool pause_filter_enabled : 1; bool pause_threshold_enabled : 1; + bool vgif_enabled : 1; u32 ldr_reg; u32 dfr_reg; @@ -457,26 +458,48 @@ static inline bool svm_is_intercept(struct vcpu_svm *svm, int bit) return vmcb_is_intercept(&svm->vmcb->control, bit); } +static inline bool nested_vgif_enabled(struct vcpu_svm *svm) +{ + return svm->vgif_enabled && (svm->nested.ctl.int_ctl & V_GIF_ENABLE_MASK); +} + +static inline struct vmcb *get_vgif_vmcb(struct vcpu_svm *svm) +{ + if (!vgif) + return NULL; + + if (is_guest_mode(&svm->vcpu) && !nested_vgif_enabled(svm)) + return svm->nested.vmcb02.ptr; + else + return svm->vmcb01.ptr; +} + static inline void enable_gif(struct vcpu_svm *svm) { - if (vgif) - svm->vmcb->control.int_ctl |= V_GIF_MASK; + struct vmcb *vmcb = get_vgif_vmcb(svm); + + if (vmcb) + vmcb->control.int_ctl |= V_GIF_MASK; else svm->vcpu.arch.hflags |= HF_GIF_MASK; } static inline void disable_gif(struct vcpu_svm *svm) { - if (vgif) - svm->vmcb->control.int_ctl &= ~V_GIF_MASK; + struct vmcb *vmcb = get_vgif_vmcb(svm); + + if (vmcb) + vmcb->control.int_ctl &= ~V_GIF_MASK; else svm->vcpu.arch.hflags &= ~HF_GIF_MASK; } static inline bool gif_set(struct vcpu_svm *svm) { - if (vgif) - return !!(svm->vmcb->control.int_ctl & V_GIF_MASK); + struct vmcb *vmcb = get_vgif_vmcb(svm); + + if (vmcb) + return !!(vmcb->control.int_ctl & V_GIF_MASK); else return !!(svm->vcpu.arch.hflags & HF_GIF_MASK); } |