129 lines
4.7 KiB
C
129 lines
4.7 KiB
C
#pragma once
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/***
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This file is part of systemd.
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Copyright 2008-2012 Kay Sievers <kay@vrfy.org>
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Copyright 2014 Tom Gundersen <teg@jklm.no>
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "hashmap.h"
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#include "set.h"
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struct sd_device {
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uint64_t n_ref;
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sd_device *parent;
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bool parent_set; /* no need to try to reload parent */
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OrderedHashmap *properties;
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Iterator properties_iterator;
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uint64_t properties_generation; /* changes whenever the properties are changed */
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uint64_t properties_iterator_generation; /* generation when iteration was started */
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/* the subset of the properties that should be written to the db */
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OrderedHashmap *properties_db;
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Hashmap *sysattr_values; /* cached sysattr values */
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Set *sysattrs; /* names of sysattrs */
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Iterator sysattrs_iterator;
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bool sysattrs_read; /* don't try to re-read sysattrs once read */
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Set *tags;
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Iterator tags_iterator;
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uint64_t tags_generation; /* changes whenever the tags are changed */
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uint64_t tags_iterator_generation; /* generation when iteration was started */
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bool property_tags_outdated; /* need to update TAGS= property */
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Set *devlinks;
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Iterator devlinks_iterator;
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uint64_t devlinks_generation; /* changes whenever the devlinks are changed */
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uint64_t devlinks_iterator_generation; /* generation when iteration was started */
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bool property_devlinks_outdated; /* need to update DEVLINKS= property */
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int devlink_priority;
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char **properties_strv; /* the properties hashmap as a strv */
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uint8_t *properties_nulstr; /* the same as a nulstr */
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size_t properties_nulstr_len;
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bool properties_buf_outdated; /* need to reread hashmap */
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int watch_handle;
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char *syspath;
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const char *devpath;
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const char *sysnum;
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char *sysname;
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bool sysname_set; /* don't reread sysname */
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char *devtype;
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int ifindex;
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char *devname;
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dev_t devnum;
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char *subsystem;
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bool subsystem_set; /* don't reread subsystem */
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char *driver_subsystem; /* only set for the 'drivers' subsystem */
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bool driver_subsystem_set; /* don't reread subsystem */
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char *driver;
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bool driver_set; /* don't reread driver */
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char *id_filename;
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bool is_initialized;
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uint64_t usec_initialized;
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mode_t devmode;
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uid_t devuid;
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gid_t devgid;
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bool uevent_loaded; /* don't reread uevent */
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bool db_loaded; /* don't reread db */
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bool sealed; /* don't read more information from uevent/db */
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bool db_persist; /* don't clean up the db when switching from initrd to real root */
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};
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typedef enum DeviceAction {
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DEVICE_ACTION_ADD,
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DEVICE_ACTION_REMOVE,
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DEVICE_ACTION_CHANGE,
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DEVICE_ACTION_MOVE,
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DEVICE_ACTION_ONLINE,
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DEVICE_ACTION_OFFLINE,
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_DEVICE_ACTION_MAX,
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_DEVICE_ACTION_INVALID = -1,
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} DeviceAction;
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int device_new_aux(sd_device **ret);
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int device_add_property_aux(sd_device *device, const char *key, const char *value, bool db);
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int device_add_property_internal(sd_device *device, const char *key, const char *value);
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int device_read_uevent_file(sd_device *device);
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int device_read_db_aux(sd_device *device, bool force);
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int device_set_syspath(sd_device *device, const char *_syspath, bool verify);
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int device_set_ifindex(sd_device *device, const char *ifindex);
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int device_set_devmode(sd_device *device, const char *devmode);
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int device_set_devname(sd_device *device, const char *_devname);
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int device_set_devtype(sd_device *device, const char *_devtype);
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int device_set_devnum(sd_device *device, const char *major, const char *minor);
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int device_set_subsystem(sd_device *device, const char *_subsystem);
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int device_set_driver(sd_device *device, const char *_driver);
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int device_set_usec_initialized(sd_device *device, const char *initialized);
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DeviceAction device_action_from_string(const char *s) _pure_;
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const char *device_action_to_string(DeviceAction a) _const_;
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