diff options
-rw-r--r-- | target-i386/cpu-qom.h | 1 | ||||
-rw-r--r-- | target-i386/cpu.c | 1 | ||||
-rw-r--r-- | target-i386/cpu.h | 1 | ||||
-rw-r--r-- | target-i386/kvm.c | 21 | ||||
-rw-r--r-- | target-i386/machine.c | 20 |
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 |