[PATCH v4 5/9] riscv: csr: define vtype registers elements

[Sergey Matyukevich]

Define masks and shifts for vtype csr according to the RVV spec 1.0.

Signed-off-by: Sergey Matyukevich <geomatsi at gmail.com>
---
 arch/riscv/include/asm/csr.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
index 4a37a98398ad..4f55dcf86627 100644
--- a/arch/riscv/include/asm/csr.h
+++ b/arch/riscv/include/asm/csr.h
@@ -444,6 +444,17 @@
 #define CSR_VTYPE		0xc21
 #define CSR_VLENB		0xc22
 
+#define VTYPE_VLMUL		_AC(7, UL)
+#define VTYPE_VLMUL_FRAC	_AC(4, UL)
+#define VTYPE_VSEW_SHIFT	3
+#define VTYPE_VSEW		(_AC(7, UL) << VTYPE_VSEW_SHIFT)
+#define VTYPE_VTA_SHIFT		6
+#define VTYPE_VTA		(_AC(1, UL) << VTYPE_VTA_SHIFT)
+#define VTYPE_VMA_SHIFT		7
+#define VTYPE_VMA		(_AC(1, UL) << VTYPE_VMA_SHIFT)
+#define VTYPE_VILL_SHIFT	(__riscv_xlen - 1)
+#define VTYPE_VILL		(_AC(1, UL) << VTYPE_VILL_SHIFT)
+
 /* Scalar Crypto Extension - Entropy */
 #define CSR_SEED		0x015
 #define SEED_OPST_MASK		_AC(0xC0000000, UL)
-- 
2.51.0