aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--target-i386/cpu-qom.h1
-rw-r--r--target-i386/cpu.c1
-rw-r--r--target-i386/cpu.h1
-rw-r--r--target-i386/kvm.c21
-rw-r--r--target-i386/machine.c20
5 files changed, 43 insertions, 1 deletions
diff --git a/target-i386/cpu-qom.h b/target-i386/cpu-qom.h
index 8b5439b9d1..9eab41b19e 100644
--- a/target-i386/cpu-qom.h
+++ b/target-i386/cpu-qom.h
@@ -92,6 +92,7 @@ typedef struct X86CPU {
bool hyperv_crash;
bool hyperv_reset;
bool hyperv_vpindex;
+ bool hyperv_runtime;
bool check_cpuid;
bool enforce_cpuid;
bool expose_kvm;
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 741b94e9cd..d2b06195f0 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -3142,6 +3142,7 @@ static Property x86_cpu_properties[] = {
DEFINE_PROP_BOOL("hv-crash", X86CPU, hyperv_crash, false),
DEFINE_PROP_BOOL("hv-reset", X86CPU, hyperv_reset, false),
DEFINE_PROP_BOOL("hv-vpindex", X86CPU, hyperv_vpindex, false),
+ DEFINE_PROP_BOOL("hv-runtime", X86CPU, hyperv_runtime, false),
DEFINE_PROP_BOOL("check", X86CPU, check_cpuid, false),
DEFINE_PROP_BOOL("enforce", X86CPU, enforce_cpuid, false),
DEFINE_PROP_BOOL("kvm", X86CPU, expose_kvm, true),
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 54d9d50140..a395b4b07a 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -911,6 +911,7 @@ typedef struct CPUX86State {
uint64_t msr_hv_vapic;
uint64_t msr_hv_tsc;
uint64_t msr_hv_crash_params[HV_X64_MSR_CRASH_PARAMS];
+ uint64_t msr_hv_runtime;
/* exception/interrupt handling */
int error_code;
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 4d5ff9a253..65cd944f0e 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -84,6 +84,7 @@ 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_mtrr;
static bool has_msr_xss;
@@ -464,7 +465,8 @@ static bool hyperv_enabled(X86CPU *cpu)
cpu->hyperv_relaxed_timing ||
cpu->hyperv_crash ||
cpu->hyperv_reset ||
- cpu->hyperv_vpindex);
+ cpu->hyperv_vpindex ||
+ cpu->hyperv_runtime);
}
static Error *invtsc_mig_blocker;
@@ -539,6 +541,9 @@ int kvm_arch_init_vcpu(CPUState *cs)
if (cpu->hyperv_vpindex && has_msr_hv_vpindex) {
c->eax |= HV_X64_MSR_VP_INDEX_AVAILABLE;
}
+ if (cpu->hyperv_runtime && has_msr_hv_runtime) {
+ c->eax |= HV_X64_MSR_VP_RUNTIME_AVAILABLE;
+ }
c = &cpuid_data.entries[cpuid_i++];
c->function = HYPERV_CPUID_ENLIGHTMENT_INFO;
if (cpu->hyperv_relaxed_timing) {
@@ -875,6 +880,10 @@ static int kvm_get_supported_msrs(KVMState *s)
has_msr_hv_vpindex = true;
continue;
}
+ if (kvm_msr_list->indices[i] == HV_X64_MSR_VP_RUNTIME) {
+ has_msr_hv_runtime = true;
+ continue;
+ }
}
}
@@ -1420,6 +1429,10 @@ static int kvm_put_msrs(X86CPU *cpu, int level)
kvm_msr_entry_set(&msrs[n++], HV_X64_MSR_CRASH_CTL,
HV_X64_MSR_CRASH_CTL_NOTIFY);
}
+ if (has_msr_hv_runtime) {
+ kvm_msr_entry_set(&msrs[n++], HV_X64_MSR_VP_RUNTIME,
+ env->msr_hv_runtime);
+ }
if (has_msr_mtrr) {
kvm_msr_entry_set(&msrs[n++], MSR_MTRRdefType, env->mtrr_deftype);
kvm_msr_entry_set(&msrs[n++],
@@ -1785,6 +1798,9 @@ static int kvm_get_msrs(X86CPU *cpu)
msrs[n++].index = HV_X64_MSR_CRASH_P0 + j;
}
}
+ if (has_msr_hv_runtime) {
+ msrs[n++].index = HV_X64_MSR_VP_RUNTIME;
+ }
if (has_msr_mtrr) {
msrs[n++].index = MSR_MTRRdefType;
msrs[n++].index = MSR_MTRRfix64K_00000;
@@ -1938,6 +1954,9 @@ static int kvm_get_msrs(X86CPU *cpu)
case HV_X64_MSR_CRASH_P0 ... HV_X64_MSR_CRASH_P4:
env->msr_hv_crash_params[index - HV_X64_MSR_CRASH_P0] = msrs[i].data;
break;
+ case HV_X64_MSR_VP_RUNTIME:
+ env->msr_hv_runtime = msrs[i].data;
+ break;
case MSR_MTRRdefType:
env->mtrr_deftype = msrs[i].data;
break;
diff --git a/target-i386/machine.c b/target-i386/machine.c
index 9fa056341a..67373663d0 100644
--- a/target-i386/machine.c
+++ b/target-i386/machine.c
@@ -687,6 +687,25 @@ static const VMStateDescription vmstate_msr_hyperv_crash = {
}
};
+static bool hyperv_runtime_enable_needed(void *opaque)
+{
+ X86CPU *cpu = opaque;
+ CPUX86State *env = &cpu->env;
+
+ return env->msr_hv_runtime != 0;
+}
+
+static const VMStateDescription vmstate_msr_hyperv_runtime = {
+ .name = "cpu/msr_hyperv_runtime",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .needed = hyperv_runtime_enable_needed,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT64(env.msr_hv_runtime, X86CPU),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
static bool avx512_needed(void *opaque)
{
X86CPU *cpu = opaque;
@@ -869,6 +888,7 @@ VMStateDescription vmstate_x86_cpu = {
&vmstate_msr_hyperv_vapic,
&vmstate_msr_hyperv_time,
&vmstate_msr_hyperv_crash,
+ &vmstate_msr_hyperv_runtime,
&vmstate_avx512,
&vmstate_xss,
NULL