libofw.h revision 67204 
1/*
2 * Copyright (C) 2000 Benno Rice.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY Benno Rice ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
18 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
20 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
21 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
22 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
23 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 * $FreeBSD: head/sys/boot/ofw/libofw/libofw.h 67204 2000-10-16 10:46:22Z obrien $
26 */
27
28/* Note: Must match the 'struct devdesc' in bootstrap.h */
29struct ofw_devdesc {
30	struct devsw	*d_dev;
31	int		d_type;
32	union {
33		struct {
34			int	unit;
35			int	partition;
36			int	slice;
37			int	bsize;
38			void	*dmabuf;
39		} ofwdisk;
40		struct {
41			int	unit;
42			void	*dmabuf;
43		} netif;
44	} d_kind;
45/*
46 * Keeping this around so I know what came from the NetBSD stuff.
47 * I've made a wild guess as to what goes where, but I have no idea if it's
48 * right.
49 *
50 *	u_long partoff;
51 *	int bsize;
52 *	void *dmabuf;
53 */
54};
55
56#define	MAXDEV		31		/* Maximum number of devices. */
57
58/* Known types.  Use the same as alpha for consistancy. */
59#define	DEVT_NONE	0
60#define	DEVT_DISK	1
61#define	DEVT_NET	2
62
63extern int	ofw_getdev(void **vdev, const char *devspec, const char **path);
64extern char	*ofw_fmtdev(void *vdev);
65extern int	ofw_setcurrdev(struct env_var *ev, int flags, void *value);
66
67extern struct devsw	ofwdisk;
68extern struct devsw	ofwnet;
69
70ssize_t	ofw_copyin(const void *src, vm_offset_t dest, const size_t len);
71ssize_t ofw_copyout(const vm_offset_t src, void *dest, const size_t len);
72ssize_t ofw_readin(const int fd, vm_offset_t dest, const size_t len);
73
74extern int	ofw_boot(void);
75extern int	ofw_autoload(void);
76
77extern void	reboot(void);
78
79extern int	main(int (*openfirm)(void *));
80