xref: /illumos-gate/usr/src/cmd/scsi/sestopo/common/sestopo.c (revision 7a6d80f1660abd4755c68cbd094d4a914681d26e)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include <libnvpair.h>
28 #include <stdio.h>
29 #include <unistd.h>
30 #include <scsi/libses.h>
31 
32 static void fatal(int, const char *, ...) __NORETURN;
33 
34 static void
35 fatal(int err, const char *fmt, ...)
36 {
37 	va_list ap;
38 
39 	va_start(ap, fmt);
40 	(void) vfprintf(stderr, fmt, ap);
41 	va_end(ap);
42 
43 	(void) fprintf(stderr, "\n");
44 	(void) fflush(stderr);
45 
46 	_exit(err);
47 }
48 
49 /*ARGSUSED*/
50 static ses_walk_action_t
51 node(ses_node_t *np, void *arg)
52 {
53 	ses_node_type_t type;
54 	uint64_t val;
55 	nvlist_t *props;
56 	char *t;
57 
58 	type = ses_node_type(np);
59 	(void) printf("Node Type: %d\n", type);
60 	if ((props = ses_node_props(np)) == NULL) {
61 		(void) printf("No properties\n");
62 		return (SES_WALK_ACTION_CONTINUE);
63 	}
64 	if (type == SES_NODE_ELEMENT || type == SES_NODE_AGGREGATE) {
65 		(void) nvlist_lookup_uint64(props, SES_PROP_ELEMENT_TYPE, &val);
66 		if (nvlist_lookup_string(props, LIBSES_PROP_ELEMENT_TYPE_NAME,
67 		    &t) != 0)
68 			t = NULL;
69 		(void) printf("Element Type: %s\n", t ? t : "<unknown>");
70 	}
71 	nvlist_print(stdout, props);
72 
73 	return (SES_WALK_ACTION_CONTINUE);
74 }
75 
76 int
77 main(int argc, char *argv[])
78 {
79 	ses_target_t *tp;
80 	ses_snap_t *sp;
81 
82 	if (argc != 2)
83 		fatal(1, "Usage: %s <device>", argv[0]);
84 
85 	if ((tp = ses_open(LIBSES_VERSION, argv[1])) == NULL)
86 		fatal(-1, "failed to open %s: %s", argv[1], ses_errmsg());
87 
88 	sp = ses_snap_hold(tp);
89 
90 	(void) ses_walk(sp, node, NULL);
91 
92 	ses_snap_rele(sp);
93 	ses_close(tp);
94 
95 	return (0);
96 }
97