diff options
Diffstat (limited to 'arch/x86/kvm/svm/svm.c')
-rw-r--r-- | arch/x86/kvm/svm/svm.c | 36 |
1 files changed, 11 insertions, 25 deletions
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 0884c3414a1b..bd4c64b362d2 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -62,20 +62,8 @@ MODULE_DEVICE_TABLE(x86cpu, svm_cpu_id); #define SEG_TYPE_LDT 2 #define SEG_TYPE_BUSY_TSS16 3 -#define SVM_FEATURE_LBRV (1 << 1) -#define SVM_FEATURE_SVML (1 << 2) -#define SVM_FEATURE_TSC_RATE (1 << 4) -#define SVM_FEATURE_VMCB_CLEAN (1 << 5) -#define SVM_FEATURE_FLUSH_ASID (1 << 6) -#define SVM_FEATURE_DECODE_ASSIST (1 << 7) -#define SVM_FEATURE_PAUSE_FILTER (1 << 10) - #define DEBUGCTL_RESERVED_BITS (~(0x3fULL)) -#define TSC_RATIO_RSVD 0xffffff0000000000ULL -#define TSC_RATIO_MIN 0x0000000000000001ULL -#define TSC_RATIO_MAX 0x000000ffffffffffULL - static bool erratum_383_found __read_mostly; u32 msrpm_offsets[MSRPM_OFFSETS] __read_mostly; @@ -87,7 +75,6 @@ u32 msrpm_offsets[MSRPM_OFFSETS] __read_mostly; static uint64_t osvw_len = 4, osvw_status; static DEFINE_PER_CPU(u64, current_tsc_ratio); -#define TSC_RATIO_DEFAULT 0x0100000000ULL static const struct svm_direct_access_msrs { u32 index; /* Index of the MSR */ @@ -480,7 +467,7 @@ static void svm_hardware_disable(void) { /* Make sure we clean up behind us */ if (tsc_scaling) - wrmsrl(MSR_AMD64_TSC_RATIO, TSC_RATIO_DEFAULT); + wrmsrl(MSR_AMD64_TSC_RATIO, SVM_TSC_RATIO_DEFAULT); cpu_svm_disable(); @@ -526,8 +513,8 @@ static int svm_hardware_enable(void) * Set the default value, even if we don't use TSC scaling * to avoid having stale value in the msr */ - wrmsrl(MSR_AMD64_TSC_RATIO, TSC_RATIO_DEFAULT); - __this_cpu_write(current_tsc_ratio, TSC_RATIO_DEFAULT); + wrmsrl(MSR_AMD64_TSC_RATIO, SVM_TSC_RATIO_DEFAULT); + __this_cpu_write(current_tsc_ratio, SVM_TSC_RATIO_DEFAULT); } @@ -2723,7 +2710,7 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr) break; } - if (data & TSC_RATIO_RSVD) + if (data & SVM_TSC_RATIO_RSVD) return 1; svm->tsc_ratio_msr = data; @@ -2918,7 +2905,7 @@ static int interrupt_window_interception(struct kvm_vcpu *vcpu) * In this case AVIC was temporarily disabled for * requesting the IRQ window and we have to re-enable it. */ - kvm_request_apicv_update(vcpu->kvm, true, APICV_INHIBIT_REASON_IRQWIN); + kvm_clear_apicv_inhibit(vcpu->kvm, APICV_INHIBIT_REASON_IRQWIN); ++vcpu->stat.irq_window_exits; return 1; @@ -3516,7 +3503,7 @@ static void svm_enable_irq_window(struct kvm_vcpu *vcpu) * via AVIC. In such case, we need to temporarily disable AVIC, * and fallback to injecting IRQ via V_IRQ. */ - kvm_request_apicv_update(vcpu->kvm, false, APICV_INHIBIT_REASON_IRQWIN); + kvm_set_apicv_inhibit(vcpu->kvm, APICV_INHIBIT_REASON_IRQWIN); svm_set_vintr(svm); } } @@ -3948,6 +3935,7 @@ static void svm_vcpu_after_set_cpuid(struct kvm_vcpu *vcpu) { struct vcpu_svm *svm = to_svm(vcpu); struct kvm_cpuid_entry2 *best; + struct kvm *kvm = vcpu->kvm; vcpu->arch.xsaves_enabled = guest_cpuid_has(vcpu, X86_FEATURE_XSAVE) && boot_cpu_has(X86_FEATURE_XSAVE) && @@ -3974,16 +3962,14 @@ static void svm_vcpu_after_set_cpuid(struct kvm_vcpu *vcpu) * is exposed to the guest, disable AVIC. */ if (guest_cpuid_has(vcpu, X86_FEATURE_X2APIC)) - kvm_request_apicv_update(vcpu->kvm, false, - APICV_INHIBIT_REASON_X2APIC); + kvm_set_apicv_inhibit(kvm, APICV_INHIBIT_REASON_X2APIC); /* * Currently, AVIC does not work with nested virtualization. * So, we disable AVIC when cpuid for SVM is set in the L1 guest. */ if (nested && guest_cpuid_has(vcpu, X86_FEATURE_SVM)) - kvm_request_apicv_update(vcpu->kvm, false, - APICV_INHIBIT_REASON_NESTED); + kvm_set_apicv_inhibit(kvm, APICV_INHIBIT_REASON_NESTED); } init_vmcb_after_set_cpuid(vcpu); } @@ -4766,10 +4752,10 @@ static __init int svm_hardware_setup(void) } else { pr_info("TSC scaling supported\n"); kvm_has_tsc_control = true; - kvm_max_tsc_scaling_ratio = TSC_RATIO_MAX; - kvm_tsc_scaling_ratio_frac_bits = 32; } } + kvm_max_tsc_scaling_ratio = SVM_TSC_RATIO_MAX; + kvm_tsc_scaling_ratio_frac_bits = 32; tsc_aux_uret_slot = kvm_add_user_return_msr(MSR_TSC_AUX); |