From 162e4df137c1fea6557fda3e4cdf5dc6ca6d5510 Mon Sep 17 00:00:00 2001 From: Andy Chiu Date: Mon, 5 Jun 2023 11:07:00 +0000 Subject: riscv: hwprobe: Add support for probing V in RISCV_HWPROBE_KEY_IMA_EXT_0 Probing kernel support for Vector extension is available now. This only add detection for V only. Extenions like Zvfh, Zk are not in this scope. Signed-off-by: Andy Chiu Reviewed-by: Conor Dooley Reviewed-by: Evan Green Reviewed-by: Palmer Dabbelt Link: https://lore.kernel.org/r/20230605110724.21391-4-andy.chiu@sifive.com Signed-off-by: Palmer Dabbelt --- arch/riscv/include/uapi/asm/hwprobe.h | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/riscv/include/uapi/asm/hwprobe.h') diff --git a/arch/riscv/include/uapi/asm/hwprobe.h b/arch/riscv/include/uapi/asm/hwprobe.h index 8d745a4ad8a2..7c6fdcf7ced5 100644 --- a/arch/riscv/include/uapi/asm/hwprobe.h +++ b/arch/riscv/include/uapi/asm/hwprobe.h @@ -25,6 +25,7 @@ struct riscv_hwprobe { #define RISCV_HWPROBE_KEY_IMA_EXT_0 4 #define RISCV_HWPROBE_IMA_FD (1 << 0) #define RISCV_HWPROBE_IMA_C (1 << 1) +#define RISCV_HWPROBE_IMA_V (1 << 2) #define RISCV_HWPROBE_KEY_CPUPERF_0 5 #define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0) #define RISCV_HWPROBE_MISALIGNED_EMULATED (1 << 0) -- cgit v1.2.3