diff options
Diffstat (limited to 'arch/x86/kvm')
| -rw-r--r-- | arch/x86/kvm/svm.c | 84 |
1 files changed, 51 insertions, 33 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index d69ec44..cde5392 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -277,6 +277,24 @@ static inline void clr_exception_intercept(struct vcpu_svm *svm, int bit) recalc_intercepts(svm); } +static inline void set_intercept(struct vcpu_svm *svm, int bit) +{ + struct vmcb *vmcb = get_host_vmcb(svm); + + vmcb->control.intercept |= (1ULL << bit); + + recalc_intercepts(svm); +} + +static inline void clr_intercept(struct vcpu_svm *svm, int bit) +{ + struct vmcb *vmcb = get_host_vmcb(svm); + + vmcb->control.intercept &= ~(1ULL << bit); + + recalc_intercepts(svm); +} + static inline void enable_gif(struct vcpu_svm *svm) { svm->vcpu.arch.hflags |= HF_GIF_MASK; @@ -863,29 +881,29 @@ static void init_vmcb(struct vcpu_svm *svm) set_exception_intercept(svm, UD_VECTOR); set_exception_intercept(svm, MC_VECTOR); - control->intercept = (1ULL << INTERCEPT_INTR) | - (1ULL << INTERCEPT_NMI) | - (1ULL << INTERCEPT_SMI) | - (1ULL << INTERCEPT_SELECTIVE_CR0) | - (1ULL << INTERCEPT_CPUID) | - (1ULL << INTERCEPT_INVD) | - (1ULL << INTERCEPT_HLT) | - (1ULL << INTERCEPT_INVLPG) | - (1ULL << INTERCEPT_INVLPGA) | - (1ULL << INTERCEPT_IOIO_PROT) | - (1ULL << INTERCEPT_MSR_PROT) | - (1ULL << INTERCEPT_TASK_SWITCH) | - (1ULL << INTERCEPT_SHUTDOWN) | - (1ULL << INTERCEPT_VMRUN) | - (1ULL << INTERCEPT_VMMCALL) | - (1ULL << INTERCEPT_VMLOAD) | - (1ULL << INTERCEPT_VMSAVE) | - (1ULL << INTERCEPT_STGI) | - (1ULL << INTERCEPT_CLGI) | - (1ULL << INTERCEPT_SKINIT) | - (1ULL << INTERCEPT_WBINVD) | - (1ULL << INTERCEPT_MONITOR) | - (1ULL << INTERCEPT_MWAIT); + set_intercept(svm, INTERCEPT_INTR); + set_intercept(svm, INTERCEPT_NMI); + set_intercept(svm, INTERCEPT_SMI); + set_intercept(svm, INTERCEPT_SELECTIVE_CR0); + set_intercept(svm, INTERCEPT_CPUID); + set_intercept(svm, INTERCEPT_INVD); + set_intercept(svm, INTERCEPT_HLT); + set_intercept(svm, INTERCEPT_INVLPG); + set_intercept(svm, INTERCEPT_INVLPGA); + set_intercept(svm, INTERCEPT_IOIO_PROT); + set_intercept(svm, INTERCEPT_MSR_PROT); + set_intercept(svm, INTERCEPT_TASK_SWITCH); + set_intercept(svm, INTERCEPT_SHUTDOWN); + set_intercept(svm, INTERCEPT_VMRUN); + set_intercept(svm, INTERCEPT_VMMCALL); + set_intercept(svm, INTERCEPT_VMLOAD); + set_intercept(svm, INTERCEPT_VMSAVE); + set_intercept(svm, INTERCEPT_STGI); + set_intercept(svm, INTERCEPT_CLGI); + set_intercept(svm, INTERCEPT_SKINIT); + set_intercept(svm, INTERCEPT_WBINVD); + set_intercept(svm, INTERCEPT_MONITOR); + set_intercept(svm, INTERCEPT_MWAIT); control->iopm_base_pa = iopm_base; control->msrpm_base_pa = __pa(svm->msrpm); @@ -936,8 +954,8 @@ static void init_vmcb(struct vcpu_svm *svm) if (npt_enabled) { /* Setup VMCB for Nested Paging */ control->nested_ctl = 1; - control->intercept &= ~((1ULL << INTERCEPT_TASK_SWITCH) | - (1ULL << INTERCEPT_INVLPG)); + clr_intercept(svm, INTERCEPT_TASK_SWITCH); + clr_intercept(svm, INTERCEPT_INVLPG); clr_exception_intercept(svm, PF_VECTOR); clr_cr_intercept(svm, INTERCEPT_CR3_READ); clr_cr_intercept(svm, INTERCEPT_CR3_WRITE); @@ -952,7 +970,7 @@ static void init_vmcb(struct vcpu_svm *svm) if (boot_cpu_has(X86_FEATURE_PAUSEFILTER)) { control->pause_filter_count = 3000; - control->intercept |= (1ULL << INTERCEPT_PAUSE); + set_intercept(svm, INTERCEPT_PAUSE); } enable_gif(svm); @@ -1126,12 +1144,12 @@ static void svm_cache_reg(struct kvm_vcpu *vcpu, enum kvm_reg reg) static void svm_set_vintr(struct vcpu_svm *svm) { - svm->vmcb->control.intercept |= 1ULL << INTERCEPT_VINTR; + set_intercept(svm, INTERCEPT_VINTR); } static void svm_clear_vintr(struct vcpu_svm *svm) { - svm->vmcb->control.intercept &= ~(1ULL << INTERCEPT_VINTR); + clr_intercept(svm, INTERCEPT_VINTR); } static struct vmcb_seg *svm_seg(struct kvm_vcpu *vcpu, int seg) @@ -2309,7 +2327,7 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm) } /* We don't want to see VMMCALLs from a nested guest */ - svm->vmcb->control.intercept &= ~(1ULL << INTERCEPT_VMMCALL); + clr_intercept(svm, INTERCEPT_VMMCALL); svm->vmcb->control.lbr_ctl = nested_vmcb->control.lbr_ctl; svm->vmcb->control.int_vector = nested_vmcb->control.int_vector; @@ -2557,7 +2575,7 @@ static int cpuid_interception(struct vcpu_svm *svm) static int iret_interception(struct vcpu_svm *svm) { ++svm->vcpu.stat.nmi_window_exits; - svm->vmcb->control.intercept &= ~(1ULL << INTERCEPT_IRET); + clr_intercept(svm, INTERCEPT_IRET); svm->vcpu.arch.hflags |= HF_IRET_MASK; return 1; } @@ -3103,7 +3121,7 @@ static void svm_inject_nmi(struct kvm_vcpu *vcpu) svm->vmcb->control.event_inj = SVM_EVTINJ_VALID | SVM_EVTINJ_TYPE_NMI; vcpu->arch.hflags |= HF_NMI_MASK; - svm->vmcb->control.intercept |= (1ULL << INTERCEPT_IRET); + set_intercept(svm, INTERCEPT_IRET); ++vcpu->stat.nmi_injections; } @@ -3170,10 +3188,10 @@ static void svm_set_nmi_mask(struct kvm_vcpu *vcpu, bool masked) if (masked) { svm->vcpu.arch.hflags |= HF_NMI_MASK; - svm->vmcb->control.intercept |= (1ULL << INTERCEPT_IRET); + set_intercept(svm, INTERCEPT_IRET); } else { svm->vcpu.arch.hflags &= ~HF_NMI_MASK; - svm->vmcb->control.intercept &= ~(1ULL << INTERCEPT_IRET); + clr_intercept(svm, INTERCEPT_IRET); } } |