2 This file is part of systemd.
4 Copyright 2008-2012 Kay Sievers <kay@vrfy.org>
5 Copyright 2014 Tom Gundersen <teg@jklm.no>
7 systemd is free software; you can redistribute it and/or modify it
8 under the terms of the GNU Lesser General Public License as published by
9 the Free Software Foundation; either version 2.1 of the License, or
10 (at your option) any later version.
12 systemd is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
17 You should have received a copy of the GNU Lesser General Public License
18 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 */
80 bool driver_set; /* don't reread driver */
85 uint64_t usec_initialized;
91 bool uevent_loaded; /* don't reread uevent */
92 bool db_loaded; /* don't reread db */
94 bool sealed; /* don't read more information from uevent/db */
95 bool db_persist; /* don't clean up the db when switching from initrd to real root */
98 typedef enum DeviceAction {
100 DEVICE_ACTION_REMOVE,
101 DEVICE_ACTION_CHANGE,
103 DEVICE_ACTION_ONLINE,
104 DEVICE_ACTION_OFFLINE,
106 _DEVICE_ACTION_INVALID = -1,
109 int device_new_aux(sd_device **ret);
110 int device_add_property_aux(sd_device *device, const char *key, const char *value, bool db);
111 int device_add_property_internal(sd_device *device, const char *key, const char *value);
112 int device_read_uevent_file(sd_device *device);
113 int device_read_db_aux(sd_device *device, bool force);
115 int device_set_syspath(sd_device *device, const char *_syspath, bool verify);
116 int device_set_ifindex(sd_device *device, const char *ifindex);
117 int device_set_devmode(sd_device *device, const char *devmode);
118 int device_set_devname(sd_device *device, const char *_devname);
119 int device_set_devtype(sd_device *device, const char *_devtype);
120 int device_set_devnum(sd_device *device, const char *major, const char *minor);
121 int device_set_subsystem(sd_device *device, const char *_subsystem);
122 int device_set_driver(sd_device *device, const char *_driver);
123 int device_set_usec_initialized(sd_device *device, const char *initialized);
125 DeviceAction device_action_from_string(const char *s) _pure_;
126 const char *device_action_to_string(DeviceAction a) _const_;