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Diffstat (limited to 'target-i386/kvm.c')
-rw-r--r--target-i386/kvm.c51
1 files changed, 19 insertions, 32 deletions
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 1955a6b3a4..ee1f53e569 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;
@@ -602,20 +596,22 @@ 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;
@@ -727,7 +723,7 @@ 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;
@@ -753,12 +749,6 @@ 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);
@@ -973,9 +963,6 @@ 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;
}
@@ -1641,13 +1628,13 @@ 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) {
@@ -1683,11 +1670,11 @@ 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) {
@@ -1733,7 +1720,7 @@ 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);
@@ -2050,13 +2037,13 @@ 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) {
@@ -2088,10 +2075,10 @@ 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) {
@@ -2123,7 +2110,7 @@ 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);
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-24 06:26:46 +0000