D54492.id169121.diff
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	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
	--- /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