3 files changed, 32 insertions, 3 deletions
diff --git a/arch/loongarch/include/uapi/asm/hwcap.h b/arch/loongarch/include/uapi/asm/hwcap.h
index 8840b72fa8e8..6955a7cb2c65 100644
--- a/arch/loongarch/include/uapi/asm/hwcap.h
+++ b/arch/loongarch/include/uapi/asm/hwcap.h
@@ -16,5 +16,6 @@
 #define HWCAP_LOONGARCH_LBT_X86		(1 << 10)
 #define HWCAP_LOONGARCH_LBT_ARM		(1 << 11)
 #define HWCAP_LOONGARCH_LBT_MIPS	(1 << 12)
+#define HWCAP_LOONGARCH_PTW		(1 << 13)
 
 #endif /* _UAPI_ASM_HWCAP_H */
diff --git a/arch/loongarch/include/uapi/asm/ptrace.h b/arch/loongarch/include/uapi/asm/ptrace.h
index 82d811b5c6e9..06e3be52cb04 100644
--- a/arch/loongarch/include/uapi/asm/ptrace.h
+++ b/arch/loongarch/include/uapi/asm/ptrace.h
@@ -41,9 +41,19 @@ struct user_pt_regs {
 } __attribute__((aligned(8)));
 
 struct user_fp_state {
-	uint64_t    fpr[32];
-	uint64_t    fcc;
-	uint32_t    fcsr;
+	uint64_t fpr[32];
+	uint64_t fcc;
+	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];
 };
 
 struct user_watch_state {
diff --git a/arch/loongarch/include/uapi/asm/sigcontext.h b/arch/loongarch/include/uapi/asm/sigcontext.h
index 52e49b8bf4be..4cd7d16f7037 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 */