diff --git a/libc/kernel/uapi/linux/kvm.h b/libc/kernel/uapi/linux/kvm.h
index b865936..4f40b7a 100644
--- a/libc/kernel/uapi/linux/kvm.h
+++ b/libc/kernel/uapi/linux/kvm.h
@@ -788,6 +788,7 @@
 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
 #define KVM_CAP_ARM_NISV_TO_USER 177
 #define KVM_CAP_ARM_INJECT_EXT_DABT 178
+#define KVM_CAP_S390_VCPU_RESETS 179
 #ifdef KVM_CAP_IRQ_ROUTING
 struct kvm_irq_routing_irqchip {
   __u32 irqchip;
@@ -1110,6 +1111,8 @@
 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int)
+#define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3)
+#define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4)
 enum sev_cmd_id {
   KVM_SEV_INIT = 0,
   KVM_SEV_ES_INIT,