diff --git a/arch/loongarch/include/uapi/asm/ptrace.h b/arch/loongarch/include/uapi/asm/ptrace.h
index 083193f4a5d5d8e1771872b6f90610347f8fde01..5e437b44756ac971187124f58bb63227a3c0ceb7 100644
--- a/arch/loongarch/include/uapi/asm/ptrace.h
+++ b/arch/loongarch/include/uapi/asm/ptrace.h
@@ -46,6 +46,16 @@ struct user_fp_state {
 	uint32_t    fcsr;
 };
 
+struct user_lsx_state {
+	/* 32 registers, 128 bits width per register. */
+	uint64_t vregs[32*2];
+};
+
+struct user_lasx_state {
+	/* 32 registers, 256 bits width per register. */
+	uint64_t vregs[32*4];
+};
+
 #define PTRACE_SYSEMU			0x1f
 #define PTRACE_SYSEMU_SINGLESTEP	0x20
 
diff --git a/arch/loongarch/include/uapi/asm/sigcontext.h b/arch/loongarch/include/uapi/asm/sigcontext.h
index 52e49b8bf4be04faf5d2009c16151e5828960af3..4cd7d16f70377586a1d209dca634367c89713ffa 100644
--- a/arch/loongarch/include/uapi/asm/sigcontext.h
+++ b/arch/loongarch/include/uapi/asm/sigcontext.h
@@ -41,4 +41,22 @@ struct fpu_context {
 	__u32	fcsr;
 };
 
+/* LSX context */
+#define LSX_CTX_MAGIC		0x53580001
+#define LSX_CTX_ALIGN		16
+struct lsx_context {
+	__u64	regs[2*32];
+	__u64	fcc;
+	__u32	fcsr;
+};
+
+/* LASX context */
+#define LASX_CTX_MAGIC		0x41535801
+#define LASX_CTX_ALIGN		32
+struct lasx_context {
+	__u64	regs[4*32];
+	__u64	fcc;
+	__u32	fcsr;
+};
+
 #endif /* _UAPI_ASM_SIGCONTEXT_H */
diff --git a/arch/loongarch/kernel/signal.c b/arch/loongarch/kernel/signal.c
index f268a1639a3459234a0dbc700aed624b5b830269..08d80842fa990168236e15a0e140bad00d8919e1 100644
--- a/arch/loongarch/kernel/signal.c
+++ b/arch/loongarch/kernel/signal.c
@@ -80,24 +80,6 @@ struct extctx_layout {
 	struct _ctx_layout end;
 };
 
-/* LSX context */
-#define LSX_CTX_MAGIC		0x53580001
-#define LSX_CTX_ALIGN		16
-struct lsx_context {
-	__u64	regs[2*32];
-	__u64	fcc;
-	__u32	fcsr;
-};
-
-/* LASX context */
-#define LASX_CTX_MAGIC		0x41535801
-#define LASX_CTX_ALIGN		32
-struct lasx_context {
-	__u64	regs[4*32];
-	__u64	fcc;
-	__u32	fcsr;
-};
-
 static void __user *get_ctx_through_ctxinfo(struct sctx_info *info)
 {
 	return (void __user *)((char *)info + sizeof(struct sctx_info));