xref: /titanic_52/usr/src/lib/libhotplug/common/libhotplug.h (revision 269473047d747f7815af570197e4ef7322d3632c)
1*26947304SEvan Yan /*
2*26947304SEvan Yan  * CDDL HEADER START
3*26947304SEvan Yan  *
4*26947304SEvan Yan  * The contents of this file are subject to the terms of the
5*26947304SEvan Yan  * Common Development and Distribution License (the "License").
6*26947304SEvan Yan  * You may not use this file except in compliance with the License.
7*26947304SEvan Yan  *
8*26947304SEvan Yan  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*26947304SEvan Yan  * or http://www.opensolaris.org/os/licensing.
10*26947304SEvan Yan  * See the License for the specific language governing permissions
11*26947304SEvan Yan  * and limitations under the License.
12*26947304SEvan Yan  *
13*26947304SEvan Yan  * When distributing Covered Code, include this CDDL HEADER in each
14*26947304SEvan Yan  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*26947304SEvan Yan  * If applicable, add the following below this CDDL HEADER, with the
16*26947304SEvan Yan  * fields enclosed by brackets "[]" replaced with your own identifying
17*26947304SEvan Yan  * information: Portions Copyright [yyyy] [name of copyright owner]
18*26947304SEvan Yan  *
19*26947304SEvan Yan  * CDDL HEADER END
20*26947304SEvan Yan  */
21*26947304SEvan Yan 
22*26947304SEvan Yan /*
23*26947304SEvan Yan  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24*26947304SEvan Yan  * Use is subject to license terms.
25*26947304SEvan Yan  */
26*26947304SEvan Yan 
27*26947304SEvan Yan #ifndef _LIBHOTPLUG_H
28*26947304SEvan Yan #define	_LIBHOTPLUG_H
29*26947304SEvan Yan 
30*26947304SEvan Yan #ifdef	__cplusplus
31*26947304SEvan Yan extern "C" {
32*26947304SEvan Yan #endif
33*26947304SEvan Yan 
34*26947304SEvan Yan #include <sys/types.h>
35*26947304SEvan Yan 
36*26947304SEvan Yan /*
37*26947304SEvan Yan  * Define node types in hotplug snapshot.
38*26947304SEvan Yan  */
39*26947304SEvan Yan #define	HP_NODE_NONE		0
40*26947304SEvan Yan #define	HP_NODE_DEVICE		1
41*26947304SEvan Yan #define	HP_NODE_CONNECTOR	2
42*26947304SEvan Yan #define	HP_NODE_PORT		3
43*26947304SEvan Yan #define	HP_NODE_USAGE		4
44*26947304SEvan Yan 
45*26947304SEvan Yan /*
46*26947304SEvan Yan  * Define flags for hp_init().
47*26947304SEvan Yan  */
48*26947304SEvan Yan #define	HPINFOUSAGE		0x1
49*26947304SEvan Yan #define	HPINFOSEARCH		0x2	/* private flag */
50*26947304SEvan Yan 
51*26947304SEvan Yan /*
52*26947304SEvan Yan  * Define flags for hp_set_state().
53*26947304SEvan Yan  */
54*26947304SEvan Yan #define	HPFORCE			0x1
55*26947304SEvan Yan #define	HPQUERY			0x2
56*26947304SEvan Yan 
57*26947304SEvan Yan /*
58*26947304SEvan Yan  * Define private flags.
59*26947304SEvan Yan  */
60*26947304SEvan Yan 
61*26947304SEvan Yan /*
62*26947304SEvan Yan  * Define return values for hp_traverse() callbacks.
63*26947304SEvan Yan  */
64*26947304SEvan Yan #define	HP_WALK_CONTINUE	0
65*26947304SEvan Yan #define	HP_WALK_PRUNECHILD	1
66*26947304SEvan Yan #define	HP_WALK_PRUNESIBLING	2
67*26947304SEvan Yan #define	HP_WALK_TERMINATE	3
68*26947304SEvan Yan 
69*26947304SEvan Yan /*
70*26947304SEvan Yan  * Define opaque handle to hotplug nodes.
71*26947304SEvan Yan  */
72*26947304SEvan Yan typedef struct hp_node *hp_node_t;
73*26947304SEvan Yan 
74*26947304SEvan Yan /*
75*26947304SEvan Yan  * Interface prototypes.
76*26947304SEvan Yan  */
77*26947304SEvan Yan hp_node_t	hp_init(const char *path, const char *connection, uint_t flags);
78*26947304SEvan Yan void		hp_fini(hp_node_t root);
79*26947304SEvan Yan int		hp_traverse(hp_node_t root, void *arg,
80*26947304SEvan Yan 		    int (*hp_callback)(hp_node_t, void *arg));
81*26947304SEvan Yan int		hp_type(hp_node_t node);
82*26947304SEvan Yan char		*hp_name(hp_node_t node);
83*26947304SEvan Yan char		*hp_usage(hp_node_t node);
84*26947304SEvan Yan int		hp_state(hp_node_t node);
85*26947304SEvan Yan char		*hp_description(hp_node_t node);
86*26947304SEvan Yan time_t		hp_last_change(hp_node_t node);
87*26947304SEvan Yan hp_node_t	hp_parent(hp_node_t node);
88*26947304SEvan Yan hp_node_t	hp_child(hp_node_t node);
89*26947304SEvan Yan hp_node_t	hp_sibling(hp_node_t node);
90*26947304SEvan Yan int		hp_path(hp_node_t node, char *path, char *connection);
91*26947304SEvan Yan int		hp_set_state(hp_node_t node, uint_t flags, int state,
92*26947304SEvan Yan 		    hp_node_t *resultsp);
93*26947304SEvan Yan int		hp_set_private(hp_node_t node, const char *options,
94*26947304SEvan Yan 		    char **resultsp);
95*26947304SEvan Yan int		hp_get_private(hp_node_t node, const char *options,
96*26947304SEvan Yan 		    char **resultsp);
97*26947304SEvan Yan int		hp_pack(hp_node_t root, char **bufp, size_t *lenp);
98*26947304SEvan Yan int		hp_unpack(char *packed_buf, size_t packed_len, hp_node_t *retp);
99*26947304SEvan Yan 
100*26947304SEvan Yan #ifdef	__cplusplus
101*26947304SEvan Yan }
102*26947304SEvan Yan #endif
103*26947304SEvan Yan 
104*26947304SEvan Yan #endif	/* _LIBHOTPLUG_H */
105