2 files changed, 35 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/vendor_extensions/sifive.h b/arch/riscv/include/asm/vendor_extensions/sifive.h
new file mode 100644
index 000000000000..ac00e500361c
--- /dev/null
+++ b/arch/riscv/include/asm/vendor_extensions/sifive.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_RISCV_VENDOR_EXTENSIONS_SIFIVE_H
+#define _ASM_RISCV_VENDOR_EXTENSIONS_SIFIVE_H
+
+#include <asm/vendor_extensions.h>
+
+#include <linux/types.h>
+
+#define RISCV_ISA_VENDOR_EXT_XSFVQMACCDOD		0
+#define RISCV_ISA_VENDOR_EXT_XSFVQMACCQOQ		1
+#define RISCV_ISA_VENDOR_EXT_XSFVFNRCLIPXFQF		2
+#define RISCV_ISA_VENDOR_EXT_XSFVFWMACCQQQ		3
+
+extern struct riscv_isa_vendor_ext_data_list riscv_isa_vendor_ext_list_sifive;
+
+#endif
diff --git a/arch/riscv/include/asm/vendor_extensions/sifive_hwprobe.h b/arch/riscv/include/asm/vendor_extensions/sifive_hwprobe.h
new file mode 100644
index 000000000000..90a61abd033c
--- /dev/null
+++ b/arch/riscv/include/asm/vendor_extensions/sifive_hwprobe.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_RISCV_VENDOR_EXTENSIONS_SIFIVE_HWPROBE_H
+#define _ASM_RISCV_VENDOR_EXTENSIONS_SIFIVE_HWPROBE_H
+
+#include <linux/cpumask.h>
+
+#include <uapi/asm/hwprobe.h>
+
+#ifdef CONFIG_RISCV_ISA_VENDOR_EXT_SIFIVE
+void hwprobe_isa_vendor_ext_sifive_0(struct riscv_hwprobe *pair, const struct cpumask *cpus);
+#else
+static inline void hwprobe_isa_vendor_ext_sifive_0(struct riscv_hwprobe *pair,
+						   const struct cpumask *cpus)
+{
+	pair->value = 0;
+}
+#endif
+
+#endif