1/*-
2 * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
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
27#include <stand.h>
28#include <string.h>
29
30#include "bootstrap.h"
31
32#ifdef LOADER_GELI_SUPPORT
33#include "geliboot.h"
34#endif
35
36int
37devopen(struct open_file *f, const char *fname, const char **file)
38{
39	struct devdesc *dev;
40	int result;
41
42	result = archsw.arch_getdev((void **)&dev, fname, file);
43	if (result)
44		return (result);
45
46	/* point to device-specific data so that device open can use it */
47	f->f_dev = dev->d_dev;
48	f->f_devdata = dev;
49	result = dev->d_dev->dv_open(f, dev);
50	if (result != 0) {
51		f->f_devdata = NULL;
52		f->f_dev = NULL;
53		free(dev);
54		return (result);
55	}
56
57#ifdef LOADER_GELI_SUPPORT
58	/*
59	 * If f->f_dev is geli-encrypted and we can decrypt it (will prompt for
60	 * pw if needed), this will attach the geli code to the open_file by
61	 * replacing f->f_dev and f_devdata with pointers to a geli_devdesc.
62	 */
63	geli_probe_and_attach(f);
64#endif
65
66	return (0);
67}
68
69int
70devclose(struct open_file *f)
71{
72
73	free(f->f_devdata);
74	return (0);
75}
76