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 * Copyright (c) 2011, Joyent Inc. All rights reserved.
25 */
26
27 /*
28 * Functions to maintain a table of datalink configuration information.
29 */
30
31 #ifndef _DLMGMT_IMPL_H
32 #define _DLMGMT_IMPL_H
33
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37
38 #include <door.h>
39 #include <libdllink.h>
40 #include <sys/avl.h>
41
42 /*
43 * datalink attribute structure
44 */
45 typedef struct dlmgmt_linkattr_s {
46 struct dlmgmt_linkattr_s *lp_next;
47 struct dlmgmt_linkattr_s *lp_prev;
48 char lp_name[MAXLINKATTRLEN];
49 void *lp_val;
50 dladm_datatype_t lp_type;
51 uint_t lp_sz;
52 boolean_t lp_linkprop;
53 } dlmgmt_linkattr_t;
54
55 /*
56 * datalink structure
57 */
58 typedef struct dlmgmt_link_s {
59 dlmgmt_linkattr_t *ll_head;
60 char ll_link[MAXLINKNAMELEN];
61 datalink_class_t ll_class;
62 uint32_t ll_media;
63 datalink_id_t ll_linkid;
64 zoneid_t ll_zoneid;
65 boolean_t ll_onloan;
66 avl_node_t ll_name_node;
67 avl_node_t ll_id_node;
68 avl_node_t ll_loan_node;
69 uint32_t ll_flags;
70 uint32_t ll_gen; /* generation number */
71 boolean_t ll_tomb; /* tombstombed */
72 } dlmgmt_link_t;
73
74 /*
75 * datalink configuration request structure
76 */
77 typedef struct dlmgmt_dlconf_s {
78 dlmgmt_linkattr_t *ld_head;
79 char ld_link[MAXLINKNAMELEN];
80 datalink_id_t ld_linkid;
81 datalink_class_t ld_class;
82 uint32_t ld_media;
83 int ld_id;
84 zoneid_t ld_zoneid;
85 uint32_t ld_gen;
86 avl_node_t ld_node;
87 } dlmgmt_dlconf_t;
88
89 #define ZONE_LOCK "/etc/dladm/zone.lck"
90
91 extern boolean_t debug;
92 extern const char *progname;
93 extern char cachefile[];
94 extern dladm_handle_t dld_handle;
95 extern datalink_id_t dlmgmt_nextlinkid;
96 extern avl_tree_t dlmgmt_name_avl;
97 extern avl_tree_t dlmgmt_id_avl;
98 extern avl_tree_t dlmgmt_loan_avl;
99 extern avl_tree_t dlmgmt_dlconf_avl;
100
101 boolean_t linkattr_equal(dlmgmt_linkattr_t **, const char *, void *,
102 size_t);
103 dlmgmt_linkattr_t *linkattr_find(dlmgmt_linkattr_t *, const char *);
104 void linkattr_unset(dlmgmt_linkattr_t **, const char *);
105 int linkattr_set(dlmgmt_linkattr_t **, const char *, void *,
106 size_t, dladm_datatype_t);
107 int linkattr_get(dlmgmt_linkattr_t **, const char *, void **,
108 size_t *, dladm_datatype_t *);
109 void linkattr_destroy(dlmgmt_link_t *);
110
111 void link_destroy(dlmgmt_link_t *);
112 int link_activate(dlmgmt_link_t *);
113 boolean_t link_is_visible(dlmgmt_link_t *, zoneid_t);
114 dlmgmt_link_t *link_by_id(datalink_id_t, zoneid_t);
115 dlmgmt_link_t *link_by_name(const char *, zoneid_t);
116 int dlmgmt_create_common(const char *, datalink_class_t,
117 uint32_t, zoneid_t, uint32_t, dlmgmt_link_t **);
118 int dlmgmt_destroy_common(dlmgmt_link_t *, uint32_t);
119 int dlmgmt_getattr_common(dlmgmt_linkattr_t **, const char *,
120 dlmgmt_getattr_retval_t *);
121
122 void dlmgmt_advance(dlmgmt_link_t *);
123 void dlmgmt_table_lock(boolean_t);
124 void dlmgmt_table_unlock();
125
126 int dlconf_create(const char *, datalink_id_t, datalink_class_t,
127 uint32_t, zoneid_t, dlmgmt_dlconf_t **);
128 void dlconf_destroy(dlmgmt_dlconf_t *);
129 void dlmgmt_advance_dlconfid(dlmgmt_dlconf_t *);
130 void dlmgmt_dlconf_table_lock(boolean_t);
131 void dlmgmt_dlconf_table_unlock(void);
132
133 int dlmgmt_generate_name(const char *, char *, size_t, zoneid_t);
134
135 void dlmgmt_linktable_init(void);
136 void dlmgmt_linktable_fini(void);
137
138 int dlmgmt_zone_init(zoneid_t);
139 int dlmgmt_elevate_privileges(void);
140 int dlmgmt_drop_privileges();
141 void dlmgmt_handler(void *, char *, size_t, door_desc_t *, uint_t);
142 void dlmgmt_log(int, const char *, ...);
143 int dlmgmt_write_db_entry(const char *, dlmgmt_link_t *, uint32_t);
144 int dlmgmt_delete_db_entry(dlmgmt_link_t *, uint32_t);
145 int dlmgmt_db_init(zoneid_t, char *);
146 void dlmgmt_db_fini(zoneid_t);
147
148 #ifdef __cplusplus
149 }
150 #endif
151
152 #endif /* _DLMGMT_IMPL_H */