Add mkimg, a utility for making disk images from raw partition contents.

The partitioning scheme can be one of the schemes supported by gpart.

Reviewed by:	sjg
Obtained from:	Juniper Networks, Inc.

1 files changed, 72 insertions, 0 deletions

diff --git a/usr.bin/mkimg/mkimg.h b/usr.bin/mkimg/mkimg.h
new file mode 100644
index 0000000..7262bdb
--- /dev/null
+++ b/usr.bin/mkimg/mkimg.h
@@ -0,0 +1,72 @@
+/*-
+ * Copyright (c) 2014 Juniper Networks, Inc.
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _MKIMG_MKIMG_H_
+#define	_MKIMG_MKIMG_H_
+
+#include <sys/queue.h>
+
+typedef int64_t	lba_t;
+
+struct part {
+	STAILQ_ENTRY(part) link;
+	char	*alias;		/* Partition type alias. */
+	char	*contents;	/* Contents/size specification. */
+	u_int	kind;		/* Content kind. */
+#define	PART_UNDEF	0
+#define	PART_KIND_FILE	1
+#define	PART_KIND_PIPE	2
+#define	PART_KIND_SIZE	3
+	u_int	index;		/* Partition index (0-based). */
+	uintptr_t type;		/* Scheme-specific partition type. */
+	lba_t	block;		/* Block-offset of partition in image. */
+	lba_t	size;		/* Size in blocks of partition. */
+	char	*label;		/* Partition label. */
+};
+
+extern STAILQ_HEAD(partlisthead, part) partlist;
+extern u_int nparts;
+
+extern u_int verbose;
+
+extern u_int ncyls;
+extern u_int nheads;
+extern u_int nsecs;
+extern u_int secsz;	/* Logical block size. */
+extern u_int blksz;	/* Physical block size. */
+
+static inline lba_t
+round_block(lba_t n)
+{
+	lba_t b = blksz / secsz;
+	return ((n + b - 1) & ~(b - 1));
+}
+
+int mkimg_seek(int fd, lba_t blk);
+
+#endif /* _MKIMG_MKIMG_H_ */