1 files changed, 51 insertions, 0 deletions

diff --git a/sys/compat/linuxkpi/common/include/linux/kmsg_dump.h b/sys/compat/linuxkpi/common/include/linux/kmsg_dump.h
new file mode 100644
index 000000000000..25f96b304f59
--- /dev/null
+++ b/sys/compat/linuxkpi/common/include/linux/kmsg_dump.h
@@ -0,0 +1,51 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2025-2026 The FreeBSD Foundation
+ * Copyright (c) 2025-2026 Jean-Sébastien Pédron <dumbbell@FreeBSD.org>
+ *
+ * This software was developed by Jean-Sébastien Pédron under sponsorship
+ * from the FreeBSD Foundation.
+ */
+
+#ifndef _LINUXKPI_LINUX_KMSG_DUMP_H_
+#define	_LINUXKPI_LINUX_KMSG_DUMP_H_
+
+#include <linux/errno.h>
+#include <linux/list.h>
+
+#include <linux/kernel.h> /* For pr_debug() */
+
+enum kmsg_dump_reason {
+	KMSG_DUMP_UNDEF,
+	KMSG_DUMP_PANIC,
+	KMSG_DUMP_OOPS,
+	KMSG_DUMP_EMERG,
+	KMSG_DUMP_SHUTDOWN,
+	KMSG_DUMP_MAX
+};
+
+struct kmsg_dumper {
+	struct list_head list;
+	void (*dump)(struct kmsg_dumper *dumper, enum kmsg_dump_reason reason);
+	enum kmsg_dump_reason max_reason;
+	bool registered;
+};
+
+static inline int
+kmsg_dump_register(struct kmsg_dumper *dumper)
+{
+	pr_debug("TODO");
+
+	return (-EINVAL);
+}
+
+static inline int
+kmsg_dump_unregister(struct kmsg_dumper *dumper)
+{
+	pr_debug("TODO");
+
+	return (-EINVAL);
+}
+
+#endif