1 files changed, 44 insertions, 0 deletions
diff --git a/usr/src/cmd/bhyve/iov.h b/usr/src/cmd/bhyve/iov.h
new file mode 100644
index 0000000000..e3b5916edb
--- /dev/null
+++ b/usr/src/cmd/bhyve/iov.h
@@ -0,0 +1,44 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2016 Jakub Klama <jceel@FreeBSD.org>.
+ * Copyright (c) 2018 Alexander Motin <mav@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
+ *    in this position and unchanged.
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _IOV_H_
+#define	_IOV_H_
+
+void seek_iov(const struct iovec *iov1, int niov1, struct iovec *iov2,
+    int *niov2, size_t seek);
+void truncate_iov(struct iovec *iov, int *niov, size_t length);
+size_t count_iov(const struct iovec *iov, int niov);
+ssize_t iov_to_buf(const struct iovec *iov, int niov, void **buf);
+ssize_t buf_to_iov(const void *buf, size_t buflen, struct iovec *iov, int niov,
+    size_t seek);
+
+#endif	/* _IOV_H_ */