diff --git a/libc/kernel/uapi/linux/kvm.h b/libc/kernel/uapi/linux/kvm.h
index ab99d8c..2a89638 100644
--- a/libc/kernel/uapi/linux/kvm.h
+++ b/libc/kernel/uapi/linux/kvm.h
@@ -200,6 +200,7 @@
 #define KVM_EXIT_RISCV_SBI 35
 #define KVM_EXIT_RISCV_CSR 36
 #define KVM_EXIT_NOTIFY 37
+#define KVM_EXIT_LOONGARCH_IOCSR 38
 #define KVM_INTERNAL_ERROR_EMULATION 1
 #define KVM_INTERNAL_ERROR_SIMUL_EX 2
 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3
@@ -250,6 +251,12 @@
       __u8 is_write;
     } mmio;
     struct {
+      __u64 phys_addr;
+      __u8 data[8];
+      __u32 len;
+      __u8 is_write;
+    } iocsr_io;
+    struct {
       __u64 nr;
       __u64 args[6];
       __u64 ret;
@@ -925,6 +932,7 @@
 #define KVM_CAP_COUNTER_OFFSET 227
 #define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228
 #define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229
+#define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230
 #ifdef KVM_CAP_IRQ_ROUTING
 struct kvm_irq_routing_irqchip {
   __u32 irqchip;
@@ -1052,6 +1060,7 @@
 #define KVM_REG_ARM64 0x6000000000000000ULL
 #define KVM_REG_MIPS 0x7000000000000000ULL
 #define KVM_REG_RISCV 0x8000000000000000ULL
+#define KVM_REG_LOONGARCH 0x9000000000000000ULL
 #define KVM_REG_SIZE_SHIFT 52
 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
 #define KVM_REG_SIZE_U8 0x0000000000000000ULL
@@ -1197,6 +1206,7 @@
 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags)
 #define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset)
+#define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO, 0xb6, struct reg_mask_range)
 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)