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 boolean_t ll_tomb; /* tombstombed */
71 } dlmgmt_link_t;
72
73 /*
74 * datalink configuration request structure
75 */
76 typedef struct dlmgmt_dlconf_s {
77 dlmgmt_linkattr_t *ld_head;
78 char ld_link[MAXLINKNAMELEN];
79 datalink_id_t ld_linkid;
80 datalink_class_t ld_class;
81 uint32_t ld_media;
82 int ld_id;
83 zoneid_t ld_zoneid;
84 uint32_t ld_gen;
85 avl_node_t ld_node;
86 } dlmgmt_dlconf_t;
87
88 #define ZONE_LOCK "/etc/dladm/zone.lck"
89
90 extern boolean_t debug;
91 extern const char *progname;
92 extern char cachefile[];
93 extern dladm_handle_t dld_handle;
94 extern datalink_id_t dlmgmt_nextlinkid;
95 extern avl_tree_t dlmgmt_name_avl;
96 extern avl_tree_t dlmgmt_id_avl;
97 extern avl_tree_t dlmgmt_loan_avl;
98 extern avl_tree_t dlmgmt_dlconf_avl;
99
100 boolean_t linkattr_equal(dlmgmt_linkattr_t **, const char *, void *,
101 size_t);
102 dlmgmt_linkattr_t *linkattr_find(dlmgmt_linkattr_t *, const char *);
103 void linkattr_unset(dlmgmt_linkattr_t **, const char *);
104 int linkattr_set(dlmgmt_linkattr_t **, const char *, void *,
105 size_t, dladm_datatype_t);
106 int linkattr_get(dlmgmt_linkattr_t **, const char *, void **,
107 size_t *, dladm_datatype_t *);
108 void linkattr_destroy(dlmgmt_link_t *);
109
110 void link_destroy(dlmgmt_link_t *);
111 int link_activate(dlmgmt_link_t *);
112 boolean_t link_is_visible(dlmgmt_link_t *, zoneid_t);
113 dlmgmt_link_t *link_by_id(datalink_id_t, zoneid_t);
114 dlmgmt_link_t *link_by_name(const char *, zoneid_t);
115 int dlmgmt_create_common(const char *, datalink_class_t,
116 uint32_t, zoneid_t, uint32_t, dlmgmt_link_t **);
117 int dlmgmt_destroy_common(dlmgmt_link_t *, uint32_t);
118 int dlmgmt_getattr_common(dlmgmt_linkattr_t **, const char *,
119 dlmgmt_getattr_retval_t *);
120
121 void dlmgmt_advance(dlmgmt_link_t *);
122 void dlmgmt_table_lock(boolean_t);
123 void dlmgmt_table_unlock();
124
125 int dlconf_create(const char *, datalink_id_t, datalink_class_t,
126 uint32_t, zoneid_t, dlmgmt_dlconf_t **);
127 void dlconf_destroy(dlmgmt_dlconf_t *);
128 void dlmgmt_advance_dlconfid(dlmgmt_dlconf_t *);
129 void dlmgmt_dlconf_table_lock(boolean_t);
130 void dlmgmt_dlconf_table_unlock(void);
131
132 int dlmgmt_generate_name(const char *, char *, size_t, zoneid_t);
133
134 void dlmgmt_linktable_init(void);
135 void dlmgmt_linktable_fini(void);
136
137 int dlmgmt_zone_init(zoneid_t);
138 int dlmgmt_elevate_privileges(void);
139 int dlmgmt_drop_privileges();
140 void dlmgmt_handler(void *, char *, size_t, door_desc_t *, uint_t);
141 void dlmgmt_log(int, const char *, ...);
142 int dlmgmt_write_db_entry(const char *, dlmgmt_link_t *, uint32_t);
143 int dlmgmt_delete_db_entry(dlmgmt_link_t *, uint32_t);
144 int dlmgmt_db_init(zoneid_t, char *);
145 void dlmgmt_db_fini(zoneid_t);
146
147 #ifdef __cplusplus
148 }
149 #endif
150
151 #endif /* _DLMGMT_IMPL_H */