xref: /illumos-gate/usr/src/lib/fm/libdiskstatus/common/libdiskstatus.h (revision b5d991cd75971f6bf7a801452ede3fe1667ddfde)
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  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef	_LIBDISKSTATUS_H
27 #define	_LIBDISKSTATUS_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #include <libnvpair.h>
32 #include <sys/types.h>
33 
34 #ifdef	__cplusplus
35 extern "C" {
36 #endif
37 
38 typedef struct disk_status disk_status_t;
39 
40 /*
41  * Error definitions
42  */
43 #define	EDS_BASE	2000
44 
45 enum {
46 	EDS_NOMEM = EDS_BASE,		/* memory allocation failure */
47 	EDS_CANT_OPEN,			/* failed to open device */
48 	EDS_NO_TRANSPORT,		/* no supported transport */
49 	EDS_NOT_SUPPORTED,		/* status information not supported */
50 	EDS_NOT_SIMULATOR,		/* not a valid simulator file */
51 	EDS_IO				/* I/O error */
52 };
53 
54 /*
55  * Basic library functions
56  */
57 extern disk_status_t *disk_status_open(const char *, int *);
58 extern void disk_status_close(disk_status_t *);
59 extern const char *disk_status_errmsg(int);
60 extern void disk_status_set_debug(boolean_t);
61 extern int disk_status_errno(disk_status_t *);
62 
63 /*
64  * Miscellaneous functions.
65  */
66 extern const char *disk_status_path(disk_status_t *);
67 
68 /*
69  * Main entry point.
70  */
71 extern nvlist_t *disk_status_get(disk_status_t *);
72 
73 /*
74  * Utility function to simulate predictive failure (device-specific).
75  */
76 extern int disk_status_test_predfail(disk_status_t *);
77 
78 #ifdef	__cplusplus
79 }
80 #endif
81 
82 #endif	/* _LIBDISKSTATUS_H */
83