[PATCH 3/3] riscv: hwprobe: export bfloat16 ISA extension

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Export Zfbmin, Zvfbfmin, Zvfbfwma ISA extension through hwprobe.

Signed-off-by: Inochi Amaoto <inochiama@xxxxxxxxx>
---
 Documentation/arch/riscv/hwprobe.rst  | 12 ++++++++++++
 arch/riscv/include/uapi/asm/hwprobe.h |  3 +++
 2 files changed, 15 insertions(+)

diff --git a/Documentation/arch/riscv/hwprobe.rst b/Documentation/arch/riscv/hwprobe.rst
index 85b709257918..8c30dd06f3c0 100644
--- a/Documentation/arch/riscv/hwprobe.rst
+++ b/Documentation/arch/riscv/hwprobe.rst
@@ -239,6 +239,18 @@ The following keys are defined:
        ratified in commit 98918c844281 ("Merge pull request #1217 from
        riscv/zawrs") of riscv-isa-manual.
 
+  * :c:macro:`RISCV_HWPROBE_EXT_ZFBFMIN`: The Zfbfmin extension is supported as
+       defined in the RISC-V ISA manual starting from commit 4dc23d6229de
+       ("Added Chapter title to BF16").
+
+  * :c:macro:`RISCV_HWPROBE_EXT_ZVFBFMIN`: The Zvfbfmin extension is supported as
+       defined in the RISC-V ISA manual starting from commit 4dc23d6229de
+       ("Added Chapter title to BF16").
+
+  * :c:macro:`RISCV_HWPROBE_EXT_ZVFBFWMA`: The Zvfbfwma extension is supported as
+       defined in the RISC-V ISA manual starting from commit 4dc23d6229de
+       ("Added Chapter title to BF16").
+
 * :c:macro:`RISCV_HWPROBE_KEY_CPUPERF_0`: Deprecated.  Returns similar values to
      :c:macro:`RISCV_HWPROBE_KEY_MISALIGNED_SCALAR_PERF`, but the key was
      mistakenly classified as a bitmask rather than a value.
diff --git a/arch/riscv/include/uapi/asm/hwprobe.h b/arch/riscv/include/uapi/asm/hwprobe.h
index 1e153cda57db..95d00a065b4e 100644
--- a/arch/riscv/include/uapi/asm/hwprobe.h
+++ b/arch/riscv/include/uapi/asm/hwprobe.h
@@ -72,6 +72,9 @@ struct riscv_hwprobe {
 #define		RISCV_HWPROBE_EXT_ZCF		(1ULL << 46)
 #define		RISCV_HWPROBE_EXT_ZCMOP		(1ULL << 47)
 #define		RISCV_HWPROBE_EXT_ZAWRS		(1ULL << 48)
+#define		RISCV_HWPROBE_EXT_ZFBFMIN	(1ULL << 49)
+#define		RISCV_HWPROBE_EXT_ZVFBFMIN	(1ULL << 50)
+#define		RISCV_HWPROBE_EXT_ZVFBFWMA	(1ULL << 51)
 #define RISCV_HWPROBE_KEY_CPUPERF_0	5
 #define		RISCV_HWPROBE_MISALIGNED_UNKNOWN	(0 << 0)
 #define		RISCV_HWPROBE_MISALIGNED_EMULATED	(1 << 0)
-- 
2.47.0





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