xref: /illumos-gate/usr/src/boot/common/devopen.c (revision 22028508)
1*22028508SToomas Soome /*
2*22028508SToomas Soome  * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
3*22028508SToomas Soome  * All rights reserved.
4*22028508SToomas Soome  *
5*22028508SToomas Soome  * Redistribution and use in source and binary forms, with or without
6*22028508SToomas Soome  * modification, are permitted provided that the following conditions
7*22028508SToomas Soome  * are met:
8*22028508SToomas Soome  * 1. Redistributions of source code must retain the above copyright
9*22028508SToomas Soome  *    notice, this list of conditions and the following disclaimer.
10*22028508SToomas Soome  * 2. Redistributions in binary form must reproduce the above copyright
11*22028508SToomas Soome  *    notice, this list of conditions and the following disclaimer in the
12*22028508SToomas Soome  *    documentation and/or other materials provided with the distribution.
13*22028508SToomas Soome  *
14*22028508SToomas Soome  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*22028508SToomas Soome  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*22028508SToomas Soome  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*22028508SToomas Soome  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*22028508SToomas Soome  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*22028508SToomas Soome  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*22028508SToomas Soome  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*22028508SToomas Soome  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*22028508SToomas Soome  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*22028508SToomas Soome  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*22028508SToomas Soome  * SUCH DAMAGE.
25*22028508SToomas Soome  */
26*22028508SToomas Soome 
27*22028508SToomas Soome #include <sys/cdefs.h>
28*22028508SToomas Soome 
29*22028508SToomas Soome #include <stand.h>
30*22028508SToomas Soome #include <string.h>
31*22028508SToomas Soome 
32*22028508SToomas Soome #include "bootstrap.h"
33*22028508SToomas Soome 
34*22028508SToomas Soome int
devopen(struct open_file * f,const char * fname,const char ** file)35*22028508SToomas Soome devopen(struct open_file *f, const char *fname, const char **file)
36*22028508SToomas Soome {
37*22028508SToomas Soome 	struct devdesc *dev;
38*22028508SToomas Soome 	int result;
39*22028508SToomas Soome 
40*22028508SToomas Soome 	result = archsw.arch_getdev((void **)&dev, fname, file);
41*22028508SToomas Soome 	if (result)
42*22028508SToomas Soome 		return (result);
43*22028508SToomas Soome 
44*22028508SToomas Soome 	/* point to device-specific data so that device open can use it */
45*22028508SToomas Soome 	f->f_dev = dev->d_dev;
46*22028508SToomas Soome 	f->f_devdata = dev;
47*22028508SToomas Soome 	result = dev->d_dev->dv_open(f, dev);
48*22028508SToomas Soome 	if (result != 0) {
49*22028508SToomas Soome 		f->f_devdata = NULL;
50*22028508SToomas Soome 		f->f_dev = NULL;
51*22028508SToomas Soome 		free(dev);
52*22028508SToomas Soome 	}
53*22028508SToomas Soome 
54*22028508SToomas Soome 	return (result);
55*22028508SToomas Soome }
56*22028508SToomas Soome 
57*22028508SToomas Soome int
devclose(struct open_file * f)58*22028508SToomas Soome devclose(struct open_file *f)
59*22028508SToomas Soome {
60*22028508SToomas Soome 
61*22028508SToomas Soome 	free(f->f_devdata);
62*22028508SToomas Soome 	return (0);
63*22028508SToomas Soome }
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