1 files changed, 61 insertions, 1 deletions

diff --git a/target/arm/kvm.c b/target/arm/kvm.c
index 65f867d569..09a86e2820 100644
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -34,6 +34,7 @@ const KVMCapabilityInfo kvm_arch_required_capabilities[] = {
 };
 
 static bool cap_has_mp_state;
+static bool cap_has_inject_serror_esr;
 
 static ARMHostCPUFeatures arm_host_cpu_features;
 
@@ -48,6 +49,12 @@ int kvm_arm_vcpu_init(CPUState *cs)
     return kvm_vcpu_ioctl(cs, KVM_ARM_VCPU_INIT, &init);
 }
 
+void kvm_arm_init_serror_injection(CPUState *cs)
+{
+    cap_has_inject_serror_esr = kvm_check_extension(cs->kvm_state,
+                                    KVM_CAP_ARM_INJECT_SERROR_ESR);
+}
+
 bool kvm_arm_create_scratch_host_vcpu(const uint32_t *cpus_to_try,
                                       int *fdarray,
                                       struct kvm_vcpu_init *init)
@@ -310,7 +317,7 @@ static int compare_u64(const void *a, const void *b)
     return 0;
 }
 
-/* Initialize the CPUState's cpreg list according to the kernel's
+/* Initialize the ARMCPU cpreg list according to the kernel's
  * definition of what CPU registers it knows about (and throw away
  * the previous TCG-created cpreg list).
  */
@@ -522,6 +529,59 @@ int kvm_arm_sync_mpstate_to_qemu(ARMCPU *cpu)
     return 0;
 }
 
+int kvm_put_vcpu_events(ARMCPU *cpu)
+{
+    CPUARMState *env = &cpu->env;
+    struct kvm_vcpu_events events;
+    int ret;
+
+    if (!kvm_has_vcpu_events()) {
+        return 0;
+    }
+
+    memset(&events, 0, sizeof(events));
+    events.exception.serror_pending = env->serror.pending;
+
+    /* Inject SError to guest with specified syndrome if host kernel
+     * supports it, otherwise inject SError without syndrome.
+     */
+    if (cap_has_inject_serror_esr) {
+        events.exception.serror_has_esr = env->serror.has_esr;
+        events.exception.serror_esr = env->serror.esr;
+    }
+
+    ret = kvm_vcpu_ioctl(CPU(cpu), KVM_SET_VCPU_EVENTS, &events);
+    if (ret) {
+        error_report("failed to put vcpu events");
+    }
+
+    return ret;
+}
+
+int kvm_get_vcpu_events(ARMCPU *cpu)
+{
+    CPUARMState *env = &cpu->env;
+    struct kvm_vcpu_events events;
+    int ret;
+
+    if (!kvm_has_vcpu_events()) {
+        return 0;
+    }
+
+    memset(&events, 0, sizeof(events));
+    ret = kvm_vcpu_ioctl(CPU(cpu), KVM_GET_VCPU_EVENTS, &events);
+    if (ret) {
+        error_report("failed to get vcpu events");
+        return ret;
+    }
+
+    env->serror.pending = events.exception.serror_pending;
+    env->serror.has_esr = events.exception.serror_has_esr;
+    env->serror.esr = events.exception.serror_esr;
+
+    return 0;
+}
+
 void kvm_arch_pre_run(CPUState *cs, struct kvm_run *run)
 {
 }