libuboot.h revision 177108 
1/*-
2 * Copyright (C) 2000 Benno Rice.
3 * Copyright (C) 2007 Semihalf, Rafal Jaworowski <raj@semihalf.com>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: head/sys/boot/uboot/lib/libuboot.h 177108 2008-03-12 16:01:34Z raj $
28 */
29
30/*
31 * Fully-qualified device descriptor.
32 * Note, this must match the 'struct devdesc' declaration
33 * in bootstrap.h.
34 */
35struct uboot_devdesc
36{
37	struct devsw	*d_dev;
38	int		d_type;
39	int		d_unit;
40	union {
41		struct {
42			void	*data;
43			int	slice;
44			int	partition;
45		} disk;
46	} d_kind;
47};
48
49/*
50 * Default network packet alignment in memory
51 */
52#define PKTALIGN	32
53
54extern int uboot_getdev(void **vdev, const char *devspec, const char **path);
55extern char *uboot_fmtdev(void *vdev);
56extern int uboot_setcurrdev(struct env_var *ev, int flags, const void *value);
57
58extern struct netif_driver	uboot_net;
59extern struct devsw		uboot_disk;
60
61ssize_t	uboot_copyin(const void *src, vm_offset_t dest, const size_t len);
62ssize_t uboot_copyout(const vm_offset_t src, void *dest, const size_t len);
63ssize_t uboot_readin(const int fd, vm_offset_t dest, const size_t len);
64
65extern int uboot_autoload(void);
66
67struct preloaded_file;
68struct file_format;
69
70extern struct file_format	uboot_elf;
71
72extern void	reboot(void);
73