diff options
Diffstat (limited to 'target-i386/kvm.c')
| -rw-r--r-- | target-i386/kvm.c | 51 |
1 files changed, 19 insertions, 32 deletions
diff --git a/target-i386/kvm.c b/target-i386/kvm.c index a0e42b2c4e..30b63b7a75 100644 --- a/target-i386/kvm.c +++ b/target-i386/kvm.c @@ -83,23 +83,17 @@ static bool has_msr_tsc_aux; static bool has_msr_tsc_adjust; static bool has_msr_tsc_deadline; static bool has_msr_feature_control; -static bool has_msr_async_pf_en; -static bool has_msr_pv_eoi_en; static bool has_msr_misc_enable; static bool has_msr_smbase; static bool has_msr_bndcfgs; -static bool has_msr_kvm_steal_time; static int lm_capable_kernel; static bool has_msr_hv_hypercall; -static bool has_msr_hv_vapic; -static bool has_msr_hv_tsc; static bool has_msr_hv_crash; static bool has_msr_hv_reset; static bool has_msr_hv_vpindex; static bool has_msr_hv_runtime; static bool has_msr_hv_synic; static bool has_msr_hv_stimer; -static bool has_msr_mtrr; static bool has_msr_xss; static bool has_msr_architectural_pmu; @@ -604,20 +598,22 @@ static int hyperv_handle_properties(CPUState *cs) X86CPU *cpu = X86_CPU(cs); CPUX86State *env = &cpu->env; + if (cpu->hyperv_time && + kvm_check_extension(cs->kvm_state, KVM_CAP_HYPERV_TIME) <= 0) { + cpu->hyperv_time = false; + } + if (cpu->hyperv_relaxed_timing) { env->features[FEAT_HYPERV_EAX] |= HV_X64_MSR_HYPERCALL_AVAILABLE; } if (cpu->hyperv_vapic) { env->features[FEAT_HYPERV_EAX] |= HV_X64_MSR_HYPERCALL_AVAILABLE; env->features[FEAT_HYPERV_EAX] |= HV_X64_MSR_APIC_ACCESS_AVAILABLE; - has_msr_hv_vapic = true; } - if (cpu->hyperv_time && - kvm_check_extension(cs->kvm_state, KVM_CAP_HYPERV_TIME) > 0) { + if (cpu->hyperv_time) { env->features[FEAT_HYPERV_EAX] |= HV_X64_MSR_HYPERCALL_AVAILABLE; env->features[FEAT_HYPERV_EAX] |= HV_X64_MSR_TIME_REF_COUNT_AVAILABLE; env->features[FEAT_HYPERV_EAX] |= 0x200; - has_msr_hv_tsc = true; } if (cpu->hyperv_crash && has_msr_hv_crash) { env->features[FEAT_HYPERV_EDX] |= HV_X64_GUEST_CRASH_MSR_AVAILABLE; @@ -729,7 +725,7 @@ int kvm_arch_init_vcpu(CPUState *cs) if (cpu->hyperv_relaxed_timing) { c->eax |= HV_X64_RELAXED_TIMING_RECOMMENDED; } - if (has_msr_hv_vapic) { + if (cpu->hyperv_vapic) { c->eax |= HV_X64_APIC_ACCESS_RECOMMENDED; } c->ebx = cpu->hyperv_spinlock_attempts; @@ -755,12 +751,6 @@ int kvm_arch_init_vcpu(CPUState *cs) c = &cpuid_data.entries[cpuid_i++]; c->function = KVM_CPUID_FEATURES | kvm_base; c->eax = env->features[FEAT_KVM]; - - has_msr_async_pf_en = c->eax & (1 << KVM_FEATURE_ASYNC_PF); - - has_msr_pv_eoi_en = c->eax & (1 << KVM_FEATURE_PV_EOI); - - has_msr_kvm_steal_time = c->eax & (1 << KVM_FEATURE_STEAL_TIME); } cpu_x86_cpuid(env, 0, 0, &limit, &unused, &unused, &unused); @@ -975,9 +965,6 @@ int kvm_arch_init_vcpu(CPUState *cs) } cpu->kvm_msr_buf = g_malloc0(MSR_BUF_SIZE); - if (env->features[FEAT_1_EDX] & CPUID_MTRR) { - has_msr_mtrr = true; - } if (!(env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_RDTSCP)) { has_msr_tsc_aux = false; } @@ -1643,13 +1630,13 @@ static int kvm_put_msrs(X86CPU *cpu, int level) kvm_msr_entry_add(cpu, MSR_IA32_TSC, env->tsc); kvm_msr_entry_add(cpu, MSR_KVM_SYSTEM_TIME, env->system_time_msr); kvm_msr_entry_add(cpu, MSR_KVM_WALL_CLOCK, env->wall_clock_msr); - if (has_msr_async_pf_en) { + if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_ASYNC_PF)) { kvm_msr_entry_add(cpu, MSR_KVM_ASYNC_PF_EN, env->async_pf_en_msr); } - if (has_msr_pv_eoi_en) { + if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_PV_EOI)) { kvm_msr_entry_add(cpu, MSR_KVM_PV_EOI_EN, env->pv_eoi_en_msr); } - if (has_msr_kvm_steal_time) { + if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_STEAL_TIME)) { kvm_msr_entry_add(cpu, MSR_KVM_STEAL_TIME, env->steal_time_msr); } if (has_msr_architectural_pmu) { @@ -1685,11 +1672,11 @@ static int kvm_put_msrs(X86CPU *cpu, int level) kvm_msr_entry_add(cpu, HV_X64_MSR_HYPERCALL, env->msr_hv_hypercall); } - if (has_msr_hv_vapic) { + if (cpu->hyperv_vapic) { kvm_msr_entry_add(cpu, HV_X64_MSR_APIC_ASSIST_PAGE, env->msr_hv_vapic); } - if (has_msr_hv_tsc) { + if (cpu->hyperv_time) { kvm_msr_entry_add(cpu, HV_X64_MSR_REFERENCE_TSC, env->msr_hv_tsc); } if (has_msr_hv_crash) { @@ -1735,7 +1722,7 @@ static int kvm_put_msrs(X86CPU *cpu, int level) env->msr_hv_stimer_count[j]); } } - if (has_msr_mtrr) { + if (env->features[FEAT_1_EDX] & CPUID_MTRR) { uint64_t phys_mask = MAKE_64BIT_MASK(0, cpu->phys_bits); kvm_msr_entry_add(cpu, MSR_MTRRdefType, env->mtrr_deftype); @@ -2052,13 +2039,13 @@ static int kvm_get_msrs(X86CPU *cpu) #endif kvm_msr_entry_add(cpu, MSR_KVM_SYSTEM_TIME, 0); kvm_msr_entry_add(cpu, MSR_KVM_WALL_CLOCK, 0); - if (has_msr_async_pf_en) { + if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_ASYNC_PF)) { kvm_msr_entry_add(cpu, MSR_KVM_ASYNC_PF_EN, 0); } - if (has_msr_pv_eoi_en) { + if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_PV_EOI)) { kvm_msr_entry_add(cpu, MSR_KVM_PV_EOI_EN, 0); } - if (has_msr_kvm_steal_time) { + if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_STEAL_TIME)) { kvm_msr_entry_add(cpu, MSR_KVM_STEAL_TIME, 0); } if (has_msr_architectural_pmu) { @@ -2090,10 +2077,10 @@ static int kvm_get_msrs(X86CPU *cpu) kvm_msr_entry_add(cpu, HV_X64_MSR_HYPERCALL, 0); kvm_msr_entry_add(cpu, HV_X64_MSR_GUEST_OS_ID, 0); } - if (has_msr_hv_vapic) { + if (cpu->hyperv_vapic) { kvm_msr_entry_add(cpu, HV_X64_MSR_APIC_ASSIST_PAGE, 0); } - if (has_msr_hv_tsc) { + if (cpu->hyperv_time) { kvm_msr_entry_add(cpu, HV_X64_MSR_REFERENCE_TSC, 0); } if (has_msr_hv_crash) { @@ -2125,7 +2112,7 @@ static int kvm_get_msrs(X86CPU *cpu) kvm_msr_entry_add(cpu, msr, 0); } } - if (has_msr_mtrr) { + if (env->features[FEAT_1_EDX] & CPUID_MTRR) { kvm_msr_entry_add(cpu, MSR_MTRRdefType, 0); kvm_msr_entry_add(cpu, MSR_MTRRfix64K_00000, 0); kvm_msr_entry_add(cpu, MSR_MTRRfix16K_80000, 0); |