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  * config.h -- public definitions for config module
26  *
27  * this module supports management of system configuration information
28  *
29  */
30 
31 #ifndef	_EFT_CONFIG_H
32 #define	_EFT_CONFIG_H
33 
34 #pragma ident	"%Z%%M%	%I%	%E% SMI"
35 
36 #include <sys/types.h>
37 
38 #ifdef	__cplusplus
39 extern "C" {
40 #endif
41 
42 #include "tree.h"
43 #include "lut.h"
44 
45 struct cfgdata {
46 	int raw_refcnt;
47 	int cooked_refcnt;
48 	/*
49 	 * The begin field points to the first byte of raw
50 	 * configuration information and end to the byte past the last
51 	 * byte where configuration information may be stored.
52 	 * nextfree points to where the next string may be added.
53 	 */
54 	char *begin;
55 	char *end;
56 	char *nextfree;
57 	struct config *cooked;
58 	struct lut *devcache;
59 	struct lut *cpucache;
60 };
61 
62 struct cfgdata *config_snapshot(void);
63 
64 void config_cook(struct cfgdata *cdata);
65 void config_free(struct cfgdata *cdata);
66 
67 struct config *config_lookup(struct config *croot, char *path, int add);
68 struct config *config_next(struct config *cp);
69 struct config *config_child(struct config *cp);
70 struct config *config_parent(struct config *cp);
71 
72 const char *config_getprop(struct config *cp, const char *name);
73 void config_setprop(struct config *cp, const char *name, const char *val);
74 void config_getcompname(struct config *cp, char **name, int *inst);
75 
76 int config_is_connected(struct node *np, struct config *croot,
77 			struct evalue *valuep);
78 int config_is_type(struct node *np, struct config *croot,
79 		    struct evalue *valuep);
80 int config_is_on(struct node *np, struct config *croot, struct evalue *valuep);
81 int config_is_present(struct node *np, struct config *croot,
82 		    struct evalue *valuep);
83 
84 void config_print(int flags, struct config *croot);
85 
86 struct node *config_bydev_lookup(struct cfgdata *, const char *);
87 struct node *config_bycpuid_lookup(struct cfgdata *, uint32_t);
88 
89 #ifdef	__cplusplus
90 }
91 #endif
92 
93 #endif	/* _EFT_CONFIG_H */
94