diff options
Diffstat (limited to 'target/i386/kvm')
| -rw-r--r-- | target/i386/kvm/kvm.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index f2a96492ce..3ebe8b7f1f 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -132,6 +132,7 @@ static int has_xcrs; static int has_pit_state2; static int has_sregs2; static int has_exception_payload; +static int has_triple_fault_event; static bool has_msr_mcg_ext_ctl; @@ -2479,6 +2480,16 @@ int kvm_arch_init(MachineState *ms, KVMState *s) } } + has_triple_fault_event = kvm_check_extension(s, KVM_CAP_X86_TRIPLE_FAULT_EVENT); + if (has_triple_fault_event) { + ret = kvm_vm_enable_cap(s, KVM_CAP_X86_TRIPLE_FAULT_EVENT, 0, true); + if (ret < 0) { + error_report("kvm: Failed to enable triple fault event cap: %s", + strerror(-ret)); + return ret; + } + } + ret = kvm_get_supported_msrs(s); if (ret < 0) { return ret; @@ -4295,6 +4306,11 @@ static int kvm_put_vcpu_events(X86CPU *cpu, int level) } } + if (has_triple_fault_event) { + events.flags |= KVM_VCPUEVENT_VALID_TRIPLE_FAULT; + events.triple_fault.pending = env->triple_fault_pending; + } + return kvm_vcpu_ioctl(CPU(cpu), KVM_SET_VCPU_EVENTS, &events); } @@ -4364,6 +4380,10 @@ static int kvm_get_vcpu_events(X86CPU *cpu) } } + if (events.flags & KVM_VCPUEVENT_VALID_TRIPLE_FAULT) { + env->triple_fault_pending = events.triple_fault.pending; + } + env->sipi_vector = events.sipi_vector; return 0; |