dlmgmt_impl.h revision 12824:66c93397e15b 
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
34extern "C" {
35#endif
36
37#include <door.h>
38#include <libdllink.h>
39#include <sys/avl.h>
40
41/*
42 * datalink attribute structure
43 */
44typedef 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 */
57typedef 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 */
75typedef 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
87extern boolean_t	debug;
88extern const char	*progname;
89extern char		cachefile[];
90extern dladm_handle_t	dld_handle;
91extern datalink_id_t	dlmgmt_nextlinkid;
92extern avl_tree_t	dlmgmt_name_avl;
93extern avl_tree_t	dlmgmt_id_avl;
94extern avl_tree_t	dlmgmt_loan_avl;
95extern avl_tree_t	dlmgmt_dlconf_avl;
96
97boolean_t	linkattr_equal(dlmgmt_linkattr_t **, const char *, void *,
98		    size_t);
99dlmgmt_linkattr_t *linkattr_find(dlmgmt_linkattr_t *, const char *);
100void		linkattr_unset(dlmgmt_linkattr_t **, const char *);
101int		linkattr_set(dlmgmt_linkattr_t **, const char *, void *,
102		    size_t, dladm_datatype_t);
103int		linkattr_get(dlmgmt_linkattr_t **, const char *, void **,
104		    size_t *, dladm_datatype_t *);
105void		linkattr_destroy(dlmgmt_link_t *);
106
107void		link_destroy(dlmgmt_link_t *);
108int		link_activate(dlmgmt_link_t *);
109boolean_t	link_is_visible(dlmgmt_link_t *, zoneid_t);
110dlmgmt_link_t	*link_by_id(datalink_id_t, zoneid_t);
111dlmgmt_link_t	*link_by_name(const char *, zoneid_t);
112int		dlmgmt_create_common(const char *, datalink_class_t,
113		    uint32_t, zoneid_t, uint32_t, dlmgmt_link_t **);
114int		dlmgmt_destroy_common(dlmgmt_link_t *, uint32_t);
115int		dlmgmt_getattr_common(dlmgmt_linkattr_t **, const char *,
116		    dlmgmt_getattr_retval_t *);
117
118void		dlmgmt_advance(dlmgmt_link_t *);
119void		dlmgmt_table_lock(boolean_t);
120void		dlmgmt_table_unlock();
121
122int		dlconf_create(const char *, datalink_id_t, datalink_class_t,
123		    uint32_t, zoneid_t, dlmgmt_dlconf_t **);
124void		dlconf_destroy(dlmgmt_dlconf_t *);
125void		dlmgmt_advance_dlconfid(dlmgmt_dlconf_t *);
126void		dlmgmt_dlconf_table_lock(boolean_t);
127void		dlmgmt_dlconf_table_unlock(void);
128
129int		dlmgmt_generate_name(const char *, char *, size_t, zoneid_t);
130
131void		dlmgmt_linktable_init(void);
132void		dlmgmt_linktable_fini(void);
133
134int		dlmgmt_zone_init(zoneid_t);
135int		dlmgmt_elevate_privileges(void);
136int		dlmgmt_drop_privileges();
137void		dlmgmt_handler(void *, char *, size_t, door_desc_t *, uint_t);
138void		dlmgmt_log(int, const char *, ...);
139int		dlmgmt_write_db_entry(const char *, dlmgmt_link_t *, uint32_t);
140int		dlmgmt_delete_db_entry(dlmgmt_link_t *, uint32_t);
141int 		dlmgmt_db_init(zoneid_t);
142void		dlmgmt_db_fini(zoneid_t);
143
144#ifdef  __cplusplus
145}
146#endif
147
148#endif	/* _DLMGMT_IMPL_H */
149