xref: /titanic_52/usr/src/cmd/dlmgmtd/dlmgmt_impl.h (revision 7fd791373689a6af05e27efec3b1ab556e02aa23)
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 (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24  */
25 
26 /*
27  * Functions to maintain a table of datalink configuration information.
28  */
29 
30 #ifndef	_DLMGMT_IMPL_H
31 #define	_DLMGMT_IMPL_H
32 
33 #ifdef  __cplusplus
34 extern "C" {
35 #endif
36 
37 #include <door.h>
38 #include <libdllink.h>
39 #include <sys/avl.h>
40 
41 /*
42  * datalink attribute structure
43  */
44 typedef struct dlmgmt_linkattr_s {
45 	struct dlmgmt_linkattr_s	*lp_next;
46 	struct dlmgmt_linkattr_s	*lp_prev;
47 	char				lp_name[MAXLINKATTRLEN];
48 	void				*lp_val;
49 	dladm_datatype_t		lp_type;
50 	uint_t				lp_sz;
51 	boolean_t			lp_linkprop;
52 } dlmgmt_linkattr_t;
53 
54 /*
55  * datalink structure
56  */
57 typedef struct dlmgmt_link_s {
58 	dlmgmt_linkattr_t	*ll_head;
59 	char			ll_link[MAXLINKNAMELEN];
60 	datalink_class_t	ll_class;
61 	uint32_t		ll_media;
62 	datalink_id_t		ll_linkid;
63 	zoneid_t		ll_zoneid;
64 	boolean_t		ll_onloan;
65 	avl_node_t		ll_name_node;
66 	avl_node_t		ll_id_node;
67 	avl_node_t		ll_loan_node;
68 	uint32_t		ll_flags;
69 	uint32_t		ll_gen;		/* generation number */
70 } dlmgmt_link_t;
71 
72 /*
73  * datalink configuration request structure
74  */
75 typedef struct dlmgmt_dlconf_s {
76 	dlmgmt_linkattr_t	*ld_head;
77 	char			ld_link[MAXLINKNAMELEN];
78 	datalink_id_t		ld_linkid;
79 	datalink_class_t	ld_class;
80 	uint32_t		ld_media;
81 	int			ld_id;
82 	zoneid_t		ld_zoneid;
83 	uint32_t		ld_gen;
84 	avl_node_t		ld_node;
85 } dlmgmt_dlconf_t;
86 
87 extern boolean_t	debug;
88 extern const char	*progname;
89 extern char		cachefile[];
90 extern dladm_handle_t	dld_handle;
91 extern datalink_id_t	dlmgmt_nextlinkid;
92 extern avl_tree_t	dlmgmt_name_avl;
93 extern avl_tree_t	dlmgmt_id_avl;
94 extern avl_tree_t	dlmgmt_loan_avl;
95 extern avl_tree_t	dlmgmt_dlconf_avl;
96 
97 boolean_t	linkattr_equal(dlmgmt_linkattr_t **, const char *, void *,
98 		    size_t);
99 dlmgmt_linkattr_t *linkattr_find(dlmgmt_linkattr_t *, const char *);
100 void		linkattr_unset(dlmgmt_linkattr_t **, const char *);
101 int		linkattr_set(dlmgmt_linkattr_t **, const char *, void *,
102 		    size_t, dladm_datatype_t);
103 int		linkattr_get(dlmgmt_linkattr_t **, const char *, void **,
104 		    size_t *, dladm_datatype_t *);
105 void		linkattr_destroy(dlmgmt_link_t *);
106 
107 void		link_destroy(dlmgmt_link_t *);
108 int		link_activate(dlmgmt_link_t *);
109 boolean_t	link_is_visible(dlmgmt_link_t *, zoneid_t);
110 dlmgmt_link_t	*link_by_id(datalink_id_t, zoneid_t);
111 dlmgmt_link_t	*link_by_name(const char *, zoneid_t);
112 int		dlmgmt_create_common(const char *, datalink_class_t,
113 		    uint32_t, zoneid_t, uint32_t, dlmgmt_link_t **);
114 int		dlmgmt_destroy_common(dlmgmt_link_t *, uint32_t);
115 int		dlmgmt_getattr_common(dlmgmt_linkattr_t **, const char *,
116 		    dlmgmt_getattr_retval_t *);
117 
118 void		dlmgmt_advance(dlmgmt_link_t *);
119 void		dlmgmt_table_lock(boolean_t);
120 void		dlmgmt_table_unlock();
121 
122 int		dlconf_create(const char *, datalink_id_t, datalink_class_t,
123 		    uint32_t, zoneid_t, dlmgmt_dlconf_t **);
124 void		dlconf_destroy(dlmgmt_dlconf_t *);
125 void		dlmgmt_advance_dlconfid(dlmgmt_dlconf_t *);
126 void		dlmgmt_dlconf_table_lock(boolean_t);
127 void		dlmgmt_dlconf_table_unlock(void);
128 
129 int		dlmgmt_generate_name(const char *, char *, size_t, zoneid_t);
130 
131 void		dlmgmt_linktable_init(void);
132 void		dlmgmt_linktable_fini(void);
133 
134 int		dlmgmt_zone_init(zoneid_t);
135 int		dlmgmt_elevate_privileges(void);
136 int		dlmgmt_drop_privileges();
137 void		dlmgmt_handler(void *, char *, size_t, door_desc_t *, uint_t);
138 void		dlmgmt_log(int, const char *, ...);
139 int		dlmgmt_write_db_entry(const char *, dlmgmt_link_t *, uint32_t);
140 int		dlmgmt_delete_db_entry(dlmgmt_link_t *, uint32_t);
141 int 		dlmgmt_db_init(zoneid_t);
142 void		dlmgmt_db_fini(zoneid_t);
143 
144 #ifdef  __cplusplus
145 }
146 #endif
147 
148 #endif	/* _DLMGMT_IMPL_H */
149