diff --git a/libc/kernel/uapi/linux/kvm.h b/libc/kernel/uapi/linux/kvm.h
index 14e882b..b70bcd9 100644
--- a/libc/kernel/uapi/linux/kvm.h
+++ b/libc/kernel/uapi/linux/kvm.h
@@ -316,12 +316,18 @@
 struct kvm_coalesced_mmio_zone {
   __u64 addr;
   __u32 size;
-  __u32 pad;
+  union {
+    __u32 pad;
+    __u32 pio;
+  };
 };
 struct kvm_coalesced_mmio {
   __u64 phys_addr;
   __u32 len;
-  __u32 pad;
+  union {
+    __u32 pad;
+    __u32 pio;
+  };
   __u8 data[8];
 };
 struct kvm_coalesced_mmio_ring {
@@ -539,6 +545,7 @@
 };
 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001
 #define KVM_PPC_1T_SEGMENTS 0x00000002
+#define KVM_PPC_NO_HASH 0x00000004
 struct kvm_ppc_smmu_info {
   __u64 flags;
   __u32 slb_size;
@@ -558,6 +565,8 @@
 #define KVM_VM_MIPS_TE 0
 #define KVM_VM_MIPS_VZ 1
 #define KVM_S390_SIE_PAGE_OFFSET 1
+#define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL
+#define KVM_VM_TYPE_ARM_IPA_SIZE(x) ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
 #define KVM_CREATE_VM _IO(KVMIO, 0x01)
 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
@@ -744,6 +753,12 @@
 #define KVM_CAP_NESTED_STATE 157
 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
 #define KVM_CAP_MSR_PLATFORM_INFO 159
+#define KVM_CAP_PPC_NESTED_HV 160
+#define KVM_CAP_HYPERV_SEND_IPI 161
+#define KVM_CAP_COALESCED_PIO 162
+#define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
+#define KVM_CAP_EXCEPTION_PAYLOAD 164
+#define KVM_CAP_ARM_VM_IPA_SIZE 165
 #ifdef KVM_CAP_IRQ_ROUTING
 struct kvm_irq_routing_irqchip {
   __u32 irqchip;