diff --git a/libc/kernel/uapi/linux/kvm.h b/libc/kernel/uapi/linux/kvm.h
index 1153458..81fa779 100644
--- a/libc/kernel/uapi/linux/kvm.h
+++ b/libc/kernel/uapi/linux/kvm.h
@@ -164,6 +164,19 @@
     } syndbg;
   } u;
 };
+struct kvm_xen_exit {
+#define KVM_EXIT_XEN_HCALL 1
+  __u32 type;
+  union {
+    struct {
+      __u32 longmode;
+      __u32 cpl;
+      __u64 input;
+      __u64 result;
+      __u64 params[6];
+    } hcall;
+  } u;
+};
 #define KVM_S390_GET_SKEYS_NONE 1
 #define KVM_S390_SKEYS_MAX 1048576
 #define KVM_EXIT_UNKNOWN 0
@@ -199,6 +212,8 @@
 #define KVM_EXIT_X86_WRMSR 30
 #define KVM_EXIT_DIRTY_RING_FULL 31
 #define KVM_EXIT_AP_RESET_HOLD 32
+#define KVM_EXIT_X86_BUS_LOCK 33
+#define KVM_EXIT_XEN 34
 #define KVM_INTERNAL_ERROR_EMULATION 1
 #define KVM_INTERNAL_ERROR_SIMUL_EX 2
 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3
@@ -336,6 +351,7 @@
       __u32 index;
       __u64 data;
     } msr;
+    struct kvm_xen_exit xen;
     char padding[256];
   };
 #define SYNC_REGS_SIZE_BYTES 2048
@@ -836,6 +852,8 @@
 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
 #define KVM_CAP_SYS_HYPERV_CPUID 191
 #define KVM_CAP_DIRTY_LOG_RING 192
+#define KVM_CAP_X86_BUS_LOCK_EXIT 193
+#define KVM_CAP_PPC_DAWR1 194
 #ifdef KVM_CAP_IRQ_ROUTING
 struct kvm_irq_routing_irqchip {
   __u32 irqchip;
@@ -896,6 +914,10 @@
 };
 #endif
 #ifdef KVM_CAP_XEN_HVM
+#define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0)
+#define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1)
+#define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2)
+#define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3)
 struct kvm_xen_hvm_config {
   __u32 flags;
   __u32 msr;
@@ -1189,6 +1211,47 @@
 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter)
 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7)
+#define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
+#define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr)
+struct kvm_xen_hvm_attr {
+  __u16 type;
+  __u16 pad[3];
+  union {
+    __u8 long_mode;
+    __u8 vector;
+    struct {
+      __u64 gfn;
+    } shared_info;
+    __u64 pad[8];
+  } u;
+};
+#define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0
+#define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1
+#define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2
+#define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
+#define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr)
+struct kvm_xen_vcpu_attr {
+  __u16 type;
+  __u16 pad[3];
+  union {
+    __u64 gpa;
+    __u64 pad[8];
+    struct {
+      __u64 state;
+      __u64 state_entry_time;
+      __u64 time_running;
+      __u64 time_runnable;
+      __u64 time_blocked;
+      __u64 time_offline;
+    } runstate;
+  } u;
+};
+#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0
+#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1
+#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2
+#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
+#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4
+#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5
 enum sev_cmd_id {
   KVM_SEV_INIT = 0,
   KVM_SEV_ES_INIT,
@@ -1210,6 +1273,7 @@
   KVM_SEV_DBG_DECRYPT,
   KVM_SEV_DBG_ENCRYPT,
   KVM_SEV_CERT_EXPORT,
+  KVM_SEV_GET_ATTESTATION_REPORT,
   KVM_SEV_NR_MAX,
 };
 struct kvm_sev_cmd {
@@ -1252,6 +1316,11 @@
   __u64 dst_uaddr;
   __u32 len;
 };
+struct kvm_sev_attestation_report {
+  __u8 mnonce[16];
+  __u64 uaddr;
+  __u32 len;
+};
 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
@@ -1320,4 +1389,6 @@
   __u32 slot;
   __u64 offset;
 };
+#define KVM_BUS_LOCK_DETECTION_OFF (1 << 0)
+#define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1)
 #endif