libuserboot.h revision 302408 
1/*-
2 * Copyright (c) 2011 Google, Inc.
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 THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: stable/11/sys/boot/userboot/userboot/libuserboot.h 261504 2014-02-05 04:39:03Z jhb $
27 */
28
29#include "userboot.h"
30
31extern struct loader_callbacks *callbacks;
32extern void *callbacks_arg;
33
34#define	CALLBACK(fn, args...) (callbacks->fn(callbacks_arg , ##args))
35
36#define	MAXDEV	31	/* maximum number of distinct devices */
37
38typedef unsigned long physaddr_t;
39
40/* exported devices */
41extern struct devsw userboot_disk;
42extern int userboot_disk_maxunit;
43extern struct devsw host_dev;
44
45/* access to host filesystem */
46struct fs_ops host_fsops;
47
48struct bootinfo;
49struct preloaded_file;
50extern int		bi_load(struct bootinfo *, struct preloaded_file *);
51
52extern void delay(int);
53
54extern int userboot_autoload(void);
55extern ssize_t userboot_copyin(const void *, vm_offset_t, size_t);
56extern ssize_t userboot_copyout(vm_offset_t, void *, size_t);
57extern ssize_t userboot_readin(int, vm_offset_t, size_t);
58extern int userboot_getdev(void **, const char *, const char **);
59char	*userboot_fmtdev(void *vdev);
60int	userboot_setcurrdev(struct env_var *ev, int flags, const void *value);
61
62int	bi_getboothowto(char *kargs);
63void	bi_setboothowto(int howto);
64vm_offset_t	bi_copyenv(vm_offset_t addr);
65int	bi_load32(char *args, int *howtop, int *bootdevp, vm_offset_t *bip,
66    vm_offset_t *modulep, vm_offset_t *kernend);
67int	bi_load64(char *args, vm_offset_t *modulep, vm_offset_t *kernend);
68void	bios_addsmapdata(struct preloaded_file *kfp);
69