diff --git a/stand/kboot/kboot.h b/stand/kboot/kboot.h
index d7e406f86d7a..c50f3f7d53a1 100644
--- a/stand/kboot/kboot.h
+++ b/stand/kboot/kboot.h
@@ -1,33 +1,42 @@
 /*-
  * Copyright (c) 2022, Netflix, Inc.
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
 #ifndef KBOOT_H
 #define KBOOT_H
 
 #define DEVT_HOSTDISK 1234
 
+struct memory_segments
+{
+	uint64_t	start;
+	uint64_t	end;
+	uint64_t	type;	/* MD defined */
+};
+
+bool enumerate_memory_arch(void);
+
 bool has_acpi(void);
 vm_offset_t acpi_rsdp(void);
 
 void do_init(void);
 
 /* Per-platform fdt fixup */
 void fdt_arch_fixups(void *fdtp);
 
 uint64_t kboot_get_phys_load_segment(void);
 uint8_t kboot_get_kernel_machine_bits(void);
 
 /* hostdisk.c */
 extern const char *hostfs_root;
 const char *hostdisk_gen_probe(void);
 void hostdisk_zfs_probe(void);
 bool hostdisk_zfs_find_default(void);
 
 /* util.c */
 bool file2str(const char *fn, char *buffer, size_t buflen);
 bool file2u64(const char *fn, uint64_t *val);
 
 #endif /* KBOOT_H */