4 This file is part of systemd.
6 Copyright 2008-2012 Kay Sievers <kay@vrfy.org>
7 Copyright 2014 Tom Gundersen <teg@jklm.no>
9 systemd is free software; you can redistribute it and/or modify it
10 under the terms of the GNU Lesser General Public License as published by
11 the Free Software Foundation; either version 2.1 of the License, or
12 (at your option) any later version.
14 systemd is distributed in the hope that it will be useful, but
15 WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 Lesser General Public License for more details.
19 You should have received a copy of the GNU Lesser General Public License
20 along with systemd; If not, see <http://www.gnu.org/licenses/>.
30 bool parent_set
; /* no need to try to reload parent */
32 OrderedHashmap
*properties
;
33 Iterator properties_iterator
;
34 uint64_t properties_generation
; /* changes whenever the properties are changed */
35 uint64_t properties_iterator_generation
; /* generation when iteration was started */
37 /* the subset of the properties that should be written to the db*/
38 OrderedHashmap
*properties_db
;
40 Hashmap
*sysattr_values
; /* cached sysattr values */
42 Set
*sysattrs
; /* names of sysattrs */
43 Iterator sysattrs_iterator
;
44 bool sysattrs_read
; /* don't try to re-read sysattrs once read */
47 Iterator tags_iterator
;
48 uint64_t tags_generation
; /* changes whenever the tags are changed */
49 uint64_t tags_iterator_generation
; /* generation when iteration was started */
50 bool property_tags_outdated
; /* need to update TAGS= property */
53 Iterator devlinks_iterator
;
54 uint64_t devlinks_generation
; /* changes whenever the devlinks are changed */
55 uint64_t devlinks_iterator_generation
; /* generation when iteration was started */
56 bool property_devlinks_outdated
; /* need to update DEVLINKS= property */
59 char **properties_strv
; /* the properties hashmap as a strv */
60 uint8_t *properties_nulstr
; /* the same as a nulstr */
61 size_t properties_nulstr_len
;
62 bool properties_buf_outdated
; /* need to reread hashmap */
70 bool sysname_set
; /* don't reread sysname */
78 bool subsystem_set
; /* don't reread subsystem */
79 char *driver_subsystem
; /* only set for the 'drivers' subsystem */
80 bool driver_subsystem_set
; /* don't reread subsystem */
82 bool driver_set
; /* don't reread driver */
87 uint64_t usec_initialized
;
93 bool uevent_loaded
; /* don't reread uevent */
94 bool db_loaded
; /* don't reread db */
96 bool sealed
; /* don't read more information from uevent/db */
97 bool db_persist
; /* don't clean up the db when switching from initrd to real root */
100 typedef enum DeviceAction
{
102 DEVICE_ACTION_REMOVE
,
103 DEVICE_ACTION_CHANGE
,
105 DEVICE_ACTION_ONLINE
,
106 DEVICE_ACTION_OFFLINE
,
108 _DEVICE_ACTION_INVALID
= -1,
111 int device_new_aux(sd_device
**ret
);
112 int device_add_property_aux(sd_device
*device
, const char *key
, const char *value
, bool db
);
113 int device_add_property_internal(sd_device
*device
, const char *key
, const char *value
);
114 int device_read_uevent_file(sd_device
*device
);
115 int device_read_db_aux(sd_device
*device
, bool force
);
117 int device_set_syspath(sd_device
*device
, const char *_syspath
, bool verify
);
118 int device_set_ifindex(sd_device
*device
, const char *ifindex
);
119 int device_set_devmode(sd_device
*device
, const char *devmode
);
120 int device_set_devname(sd_device
*device
, const char *_devname
);
121 int device_set_devtype(sd_device
*device
, const char *_devtype
);
122 int device_set_devnum(sd_device
*device
, const char *major
, const char *minor
);
123 int device_set_subsystem(sd_device
*device
, const char *_subsystem
);
124 int device_set_driver(sd_device
*device
, const char *_driver
);
125 int device_set_usec_initialized(sd_device
*device
, const char *initialized
);
127 DeviceAction
device_action_from_string(const char *s
) _pure_
;
128 const char *device_action_to_string(DeviceAction a
) _const_
;