diff --git a/arch/arm64/include/asm/kvm_tmm.h b/arch/arm64/include/asm/kvm_tmm.h
index 484940589c7cb1bf8973d57d02b4ce972a9888e2..2cbb2b1cf92663bbc9a2768f899bba0d0908d070 100644
--- a/arch/arm64/include/asm/kvm_tmm.h
+++ b/arch/arm64/include/asm/kvm_tmm.h
@@ -157,6 +157,26 @@ static inline unsigned long cvm_ttt_level_mapsize(int level)
 
 	return (1UL << CVM_TTT_LEVEL_SHIFT(level));
 }
+
+struct kvm_virtcca_mig_cmd {
+	/* enum kvm_tdx_cmd_id */
+	__u32 id;
+	/* flags for sub-commend. If sub-command doesn't use this, set zero. */
+	__u32 flags;
+	/*
+	 * data for each sub-command. An immediate or a pointer to the actual
+	 * data in process virtual address.  If sub-command doesn't use it,
+	 * set zero.
+	 */
+	__u64 data;
+	/*
+	 * Auxiliary error code.  The sub-command may return TDX SEAMCALL
+	 * status code in addition to -Exxx.
+	 * Defined for consistency with struct kvm_sev_cmd.
+	 */
+	__u64 error;
+};
+
 #endif
 
 #endif
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index 0036cfaf5d69e0d59e8fd68656bc728a99a8aeb2..f3e8bd5c4249b5bf82c756bef635300786243ae6 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -1499,6 +1499,8 @@ enum kvm_device_type {
 #define KVM_DEV_TYPE_ARM_PV_TIME	KVM_DEV_TYPE_ARM_PV_TIME
 	KVM_DEV_TYPE_RISCV_AIA,
 #define KVM_DEV_TYPE_RISCV_AIA		KVM_DEV_TYPE_RISCV_AIA
+	KVM_DEV_TYPE_VIRTCCA_MIG_STREAM = 0x00C,
+#define KVM_DEV_TYPE_VIRTCCA_MIG_STREAM		KVM_DEV_TYPE_VIRTCCA_MIG_STREAM
 	KVM_DEV_TYPE_LOONGARCH_IPI,
 #define KVM_DEV_TYPE_LOONGARCH_IPI	KVM_DEV_TYPE_LOONGARCH_IPI
 	KVM_DEV_TYPE_LOONGARCH_EIOINTC,
@@ -1773,6 +1775,9 @@ struct kvm_enc_region {
 	__u64 size;
 };
 
+/*virtcca migration*/
+#define KVM_CVM_MIG_IOCTL _IOWR(KVMIO, 0xf2, struct kvm_virtcca_mig_cmd)
+
 #define KVM_MEMORY_ENCRYPT_REG_REGION    _IOR(KVMIO, 0xbb, struct kvm_enc_region)
 #define KVM_MEMORY_ENCRYPT_UNREG_REGION  _IOR(KVMIO, 0xbc, struct kvm_enc_region)
 
diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.h
index bd1a496b5448f192b319221f568895b03d44c5a7..34f3243767c193a2242d03c72257db463b8071dd 100644
--- a/tools/include/uapi/linux/kvm.h
+++ b/tools/include/uapi/linux/kvm.h
@@ -1448,6 +1448,8 @@ enum kvm_device_type {
 #define KVM_DEV_TYPE_ARM_PV_TIME	KVM_DEV_TYPE_ARM_PV_TIME
 	KVM_DEV_TYPE_RISCV_AIA,
 #define KVM_DEV_TYPE_RISCV_AIA		KVM_DEV_TYPE_RISCV_AIA
+	KVM_DEV_TYPE_VIRTCCA_MIG_STREAM = 0x00C,
+#define KVM_DEV_TYPE_VIRTCCA_MIG_STREAM		KVM_DEV_TYPE_VIRTCCA_MIG_STREAM
 	KVM_DEV_TYPE_LA_IOAPIC = 0x100,
 #define KVM_DEV_TYPE_LA_IOAPIC		KVM_DEV_TYPE_LA_IOAPIC
 	KVM_DEV_TYPE_LA_IPI,
@@ -1668,6 +1670,9 @@ struct kvm_enc_region {
 	__u64 size;
 };
 
+/*virtcca migration*/
+#define KVM_CVM_MIG_IOCTL _IOWR(KVMIO, 0xf2, struct kvm_virtcca_mig_cmd)
+
 #define KVM_MEMORY_ENCRYPT_REG_REGION    _IOR(KVMIO, 0xbb, struct kvm_enc_region)
 #define KVM_MEMORY_ENCRYPT_UNREG_REGION  _IOR(KVMIO, 0xbc, struct kvm_enc_region)