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diff --git a/sys/compat/linuxkpi/common/include/linux/acpi_amd_wbrf.h b/sys/compat/linuxkpi/common/include/linux/acpi_amd_wbrf.h
new file mode 100644
--- /dev/null
+++ b/sys/compat/linuxkpi/common/include/linux/acpi_amd_wbrf.h
@@ -0,0 +1,97 @@
+/*-
+ * Copyright (c) 2025 The FreeBSD Foundation
+ * Copyright (c) 2025 Jean-Sébastien Pédron
+ *
+ * This software was developed by Jean-Sébastien Pédron under sponsorship
+ * from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _LINUXKPI_LINUX_ACPI_AMD_WBRF_H_
+#define _LINUXKPI_LINUX_ACPI_AMD_WBRF_H_
+
+#include <linux/device.h>
+#include <linux/notifier.h>
+
+#define MAX_NUM_OF_WBRF_RANGES 11
+
+#define WBRF_RECORD_ADD 0x0
+#define WBRF_RECORD_REMOVE 0x1
+
+struct freq_band_range {
+ uint64_t start;
+ uint64_t end;
+};
+
+struct wbrf_ranges_in_out {
+ uint64_t num_of_ranges;
+ struct freq_band_range band_list[MAX_NUM_OF_WBRF_RANGES];
+};
+
+enum wbrf_notifier_actions {
+ WBRF_CHANGED,
+};
+
+/*
+ * The following functions currently have dummy implementations that, on Linux,
+ * are used when CONFIG_AMD_WBRF is not set at compile time.
+ */
+
+static inline bool
+acpi_amd_wbrf_supported_consumer(struct device *dev)
+{
+ return (false);
+}
+
+static inline int
+acpi_amd_wbrf_add_remove(struct device *dev, uint8_t action,
+ struct wbrf_ranges_in_out *in)
+{
+ return (-ENODEV);
+}
+
+static inline bool
+acpi_amd_wbrf_supported_producer(struct device *dev)
+{
+ return (false);
+}
+
+static inline int
+amd_wbrf_retrieve_freq_band(struct device *dev, struct wbrf_ranges_in_out *out)
+{
+ return (-ENODEV);
+}
+
+static inline int
+amd_wbrf_register_notifier(struct notifier_block *nb)
+{
+ return (-ENODEV);
+}
+
+static inline int
+amd_wbrf_unregister_notifier(struct notifier_block *nb)
+{
+ return (-ENODEV);
+}
+
+#endif /* _LINUXKPI_LINUX_ACPI_AMD_WBRF_H_ */

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