Introduce RISCV_HWPROBE_EXT_ZICBOP to report presence of the Zicbop
extension through sys_hwprobe(), and add
RISCV_HWPROBE_KEY_ZICBOP_BLOCK_SIZE to expose the block size (in bytes)
when Zicbop is supported.

Signed-off-by: Yao Zihong <zihong.plct@isrc.iscas.ac.cn>
---
 arch/riscv/include/uapi/asm/hwprobe.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/riscv/include/uapi/asm/hwprobe.h b/arch/riscv/include/uapi/asm/hwprobe.h
index aaf6ad970499..c65c41a4d8ea 100644
--- a/arch/riscv/include/uapi/asm/hwprobe.h
+++ b/arch/riscv/include/uapi/asm/hwprobe.h
@@ -82,6 +82,7 @@ struct riscv_hwprobe {
 #define		RISCV_HWPROBE_EXT_ZAAMO		(1ULL << 56)
 #define		RISCV_HWPROBE_EXT_ZALRSC	(1ULL << 57)
 #define		RISCV_HWPROBE_EXT_ZABHA		(1ULL << 58)
+#define		RISCV_HWPROBE_EXT_ZICBOP	(1ULL << 59)
 #define RISCV_HWPROBE_KEY_CPUPERF_0	5
 #define		RISCV_HWPROBE_MISALIGNED_UNKNOWN	(0 << 0)
 #define		RISCV_HWPROBE_MISALIGNED_EMULATED	(1 << 0)
@@ -106,6 +107,7 @@ struct riscv_hwprobe {
 #define RISCV_HWPROBE_KEY_VENDOR_EXT_THEAD_0	11
 #define RISCV_HWPROBE_KEY_ZICBOM_BLOCK_SIZE	12
 #define RISCV_HWPROBE_KEY_VENDOR_EXT_SIFIVE_0	13
+#define RISCV_HWPROBE_KEY_ZICBOP_BLOCK_SIZE	14
 /* Increase RISCV_HWPROBE_MAX_KEY when adding items. */
 
 /* Flags */
-- 
2.47.2