xref: /titanic_52/usr/src/cmd/fm/fmd/common/fmd_ctl.h (revision cc7a88b54b4969574f03e1a1225bb13be487f5db)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_FMD_CTL_H
28 #define	_FMD_CTL_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <sys/types.h>
33 #include <libnvpair.h>
34 
35 #ifdef	__cplusplus
36 extern "C" {
37 #endif
38 
39 typedef void fmd_ctl_f(nvlist_t *);
40 
41 typedef struct fmd_ctl_desc {
42 	const char *cde_class;		/* protocol event class */
43 	uint_t cde_vers;		/* protocol event version */
44 	fmd_ctl_f *cde_func;		/* callback function */
45 } fmd_ctl_desc_t;
46 
47 typedef struct fmd_ctl {
48 	pthread_mutex_t ctl_lock;	/* lock for ctl_exec and ctl_cv */
49 	pthread_cond_t ctl_cv;		/* condition variable for ctl_exec */
50 	fmd_ctl_f *ctl_func;		/* type-specific callback function */
51 	nvlist_t *ctl_nvl;		/* name-value pair list from event */
52 	uint_t ctl_refs;		/* reference count for barrier */
53 } fmd_ctl_t;
54 
55 extern fmd_ctl_t *fmd_ctl_init(nvlist_t *);
56 extern void fmd_ctl_fini(fmd_ctl_t *);
57 extern void fmd_ctl_hold(fmd_ctl_t *);
58 extern void fmd_ctl_rele(fmd_ctl_t *);
59 
60 #ifdef	__cplusplus
61 }
62 #endif
63 
64 #endif	/* _FMD_CTL_H */
65