diff options
| -rw-r--r-- | target-i386/cpu-qom.h | 1 | ||||
| -rw-r--r-- | target-i386/cpu.c | 1 | ||||
| -rw-r--r-- | target-i386/kvm.c | 12 |
3 files changed, 12 insertions, 2 deletions
diff --git a/target-i386/cpu-qom.h b/target-i386/cpu-qom.h index c35b624c9d..ed8fd18457 100644 --- a/target-i386/cpu-qom.h +++ b/target-i386/cpu-qom.h @@ -90,6 +90,7 @@ typedef struct X86CPU { int hyperv_spinlock_attempts; bool hyperv_time; bool hyperv_crash; + bool hyperv_reset; bool check_cpuid; bool enforce_cpuid; bool expose_kvm; diff --git a/target-i386/cpu.c b/target-i386/cpu.c index 05d7f26bf1..230ecf42fd 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -3140,6 +3140,7 @@ static Property x86_cpu_properties[] = { DEFINE_PROP_BOOL("hv-vapic", X86CPU, hyperv_vapic, false), DEFINE_PROP_BOOL("hv-time", X86CPU, hyperv_time, false), DEFINE_PROP_BOOL("hv-crash", X86CPU, hyperv_crash, false), + DEFINE_PROP_BOOL("hv-reset", X86CPU, hyperv_reset, 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/kvm.c b/target-i386/kvm.c index 80d1a7e01e..401a2f3c3f 100644 --- a/target-i386/kvm.c +++ b/target-i386/kvm.c @@ -82,6 +82,7 @@ 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_mtrr; static bool has_msr_xss; @@ -460,7 +461,8 @@ static bool hyperv_enabled(X86CPU *cpu) (hyperv_hypercall_available(cpu) || cpu->hyperv_time || cpu->hyperv_relaxed_timing || - cpu->hyperv_crash); + cpu->hyperv_crash || + cpu->hyperv_reset); } static Error *invtsc_mig_blocker; @@ -529,7 +531,9 @@ int kvm_arch_init_vcpu(CPUState *cs) if (cpu->hyperv_crash && has_msr_hv_crash) { c->edx |= HV_X64_GUEST_CRASH_MSR_AVAILABLE; } - + if (cpu->hyperv_reset && has_msr_hv_reset) { + c->eax |= HV_X64_MSR_RESET_AVAILABLE; + } c = &cpuid_data.entries[cpuid_i++]; c->function = HYPERV_CPUID_ENLIGHTMENT_INFO; if (cpu->hyperv_relaxed_timing) { @@ -858,6 +862,10 @@ static int kvm_get_supported_msrs(KVMState *s) has_msr_hv_crash = true; continue; } + if (kvm_msr_list->indices[i] == HV_X64_MSR_RESET) { + has_msr_hv_reset = true; + continue; + } } } |