1 /*-
2 * Copyright (c) 1998 Michael Smith <[email protected]>
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 <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29
30 #include <stand.h>
31 #include <string.h>
32
33 #include "bootstrap.h"
34
35 #ifdef LOADER_GELI_SUPPORT
36 #include "geliboot.h"
37 #endif
38
39 int
devopen(struct open_file * f,const char * fname,const char ** file)40 devopen(struct open_file *f, const char *fname, const char **file)
41 {
42 struct devdesc *dev;
43 int result;
44
45 result = archsw.arch_getdev((void **)&dev, fname, file);
46 if (result)
47 return (result);
48
49 /* point to device-specific data so that device open can use it */
50 f->f_dev = dev->d_dev;
51 f->f_devdata = dev;
52 result = dev->d_dev->dv_open(f, dev);
53 if (result != 0) {
54 f->f_devdata = NULL;
55 free(dev);
56 return (result);
57 }
58
59 #ifdef LOADER_GELI_SUPPORT
60 /*
61 * If f->f_dev is geli-encrypted and we can decrypt it (will prompt for
62 * pw if needed), this will attach the geli code to the open_file by
63 * replacing f->f_dev and f_devdata with pointers to a geli_devdesc.
64 */
65 if (f->f_dev->dv_type == DEVT_DISK) {
66 geli_probe_and_attach(f);
67 }
68 #endif
69
70 return (0);
71 }
72
73 int
devclose(struct open_file * f)74 devclose(struct open_file *f)
75 {
76
77 if (f->f_devdata != NULL) {
78 free(f->f_devdata);
79 }
80 return (0);
81 }
82