Index: uspace/srv/bd/hr/metadata/foreign/geom/g_mirror.h
===================================================================
--- uspace/srv/bd/hr/metadata/foreign/geom/g_mirror.h	(revision 10291a23afbd7d9a897acc61321fba27b594b427)
+++ uspace/srv/bd/hr/metadata/foreign/geom/g_mirror.h	(revision f09b75b791ce37af542020b17496776f9ecdfa36)
@@ -47,40 +47,6 @@
 #define bcopy(src, dst, len) memcpy(dst, src, len)
 
-/* copied here from <sys/endian.h> */
-static __inline void
-le32enc(void *pp, uint32_t u)
-{
-	uint8_t *p = (uint8_t *)pp;
-
-	p[0] = u & 0xff;
-	p[1] = (u >> 8) & 0xff;
-	p[2] = (u >> 16) & 0xff;
-	p[3] = (u >> 24) & 0xff;
-}
-
-static __inline void
-le64enc(void *pp, uint64_t u)
-{
-	uint8_t *p = (uint8_t *)pp;
-
-	le32enc(p, (uint32_t)(u & 0xffffffffU));
-	le32enc(p + 4, (uint32_t)(u >> 32));
-}
-
-static __inline uint32_t
-le32dec(const void *pp)
-{
-	uint8_t const *p = (uint8_t const *)pp;
-
-	return (((unsigned)p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0]);
-}
-
-static __inline uint64_t
-le64dec(const void *pp)
-{
-	uint8_t const *p = (uint8_t const *)pp;
-
-	return (((uint64_t)le32dec(p + 4) << 32) | le32dec(p));
-}
+/* needed FreeBSD <sys/endian.h> header */
+#include "sys_endian.h"
 
 /* here continues the stripped down original header */
Index: uspace/srv/bd/hr/metadata/foreign/geom/sys_endian.h
===================================================================
--- uspace/srv/bd/hr/metadata/foreign/geom/sys_endian.h	(revision f09b75b791ce37af542020b17496776f9ecdfa36)
+++ uspace/srv/bd/hr/metadata/foreign/geom/sys_endian.h	(revision f09b75b791ce37af542020b17496776f9ecdfa36)
@@ -0,0 +1,139 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2002 Thomas Moestl <tmm@FreeBSD.org>
+ * All rights reserved.
+ *
+ * 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 _HR_METADATA_FOREIGN_GEOM_SYS_ENDIAN_H
+#define _HR_METADATA_FOREIGN_GEOM_SYS_ENDIAN_H
+
+/* Alignment-agnostic encode/decode bytestream to/from little/big endian. */
+static __inline uint16_t
+be16dec(const void *pp)
+{
+	uint8_t const *p = (uint8_t const *)pp;
+
+	return ((p[0] << 8) | p[1]);
+}
+
+static __inline uint32_t
+be32dec(const void *pp)
+{
+	uint8_t const *p = (uint8_t const *)pp;
+
+	return (((unsigned)p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]);
+}
+
+static __inline uint64_t
+be64dec(const void *pp)
+{
+	uint8_t const *p = (uint8_t const *)pp;
+
+	return (((uint64_t)be32dec(p) << 32) | be32dec(p + 4));
+}
+
+static __inline uint16_t
+le16dec(const void *pp)
+{
+	uint8_t const *p = (uint8_t const *)pp;
+
+	return ((p[1] << 8) | p[0]);
+}
+
+static __inline uint32_t
+le32dec(const void *pp)
+{
+	uint8_t const *p = (uint8_t const *)pp;
+
+	return (((unsigned)p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0]);
+}
+
+static __inline uint64_t
+le64dec(const void *pp)
+{
+	uint8_t const *p = (uint8_t const *)pp;
+
+	return (((uint64_t)le32dec(p + 4) << 32) | le32dec(p));
+}
+
+static __inline void
+be16enc(void *pp, uint16_t u)
+{
+	uint8_t *p = (uint8_t *)pp;
+
+	p[0] = (u >> 8) & 0xff;
+	p[1] = u & 0xff;
+}
+
+static __inline void
+be32enc(void *pp, uint32_t u)
+{
+	uint8_t *p = (uint8_t *)pp;
+
+	p[0] = (u >> 24) & 0xff;
+	p[1] = (u >> 16) & 0xff;
+	p[2] = (u >> 8) & 0xff;
+	p[3] = u & 0xff;
+}
+
+static __inline void
+be64enc(void *pp, uint64_t u)
+{
+	uint8_t *p = (uint8_t *)pp;
+
+	be32enc(p, (uint32_t)(u >> 32));
+	be32enc(p + 4, (uint32_t)(u & 0xffffffffU));
+}
+
+static __inline void
+le16enc(void *pp, uint16_t u)
+{
+	uint8_t *p = (uint8_t *)pp;
+
+	p[0] = u & 0xff;
+	p[1] = (u >> 8) & 0xff;
+}
+
+static __inline void
+le32enc(void *pp, uint32_t u)
+{
+	uint8_t *p = (uint8_t *)pp;
+
+	p[0] = u & 0xff;
+	p[1] = (u >> 8) & 0xff;
+	p[2] = (u >> 16) & 0xff;
+	p[3] = (u >> 24) & 0xff;
+}
+
+static __inline void
+le64enc(void *pp, uint64_t u)
+{
+	uint8_t *p = (uint8_t *)pp;
+
+	le32enc(p, (uint32_t)(u & 0xffffffffU));
+	le32enc(p + 4, (uint32_t)(u >> 32));
+}
+
+#endif