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[thirdparty/systemd.git] / src / libsystemd / sd-device / device-private.h
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1/* SPDX-License-Identifier: LGPL-2.1-or-later */
2#pragma once
3
4#include "sd-device.h" /* IWYU pragma: export */
5
6#include "forward.h"
7
8int device_new_from_mode_and_devnum(sd_device **ret, mode_t mode, dev_t devnum);
9int device_new_from_nulstr(sd_device **ret, char *nulstr, size_t len);
10int device_new_from_strv(sd_device **ret, char **strv);
11
12int device_opendir(sd_device *device, const char *subdir, DIR **ret);
13
14int device_get_sysnum_unsigned(sd_device *device, unsigned *ret);
15int device_get_property_bool(sd_device *device, const char *key);
16int device_get_property_int(sd_device *device, const char *key, int *ret);
17int device_get_ifname(sd_device *device, const char **ret);
18int device_get_sysattr_int(sd_device *device, const char *sysattr, int *ret_value);
19int device_get_sysattr_unsigned_full(sd_device *device, const char *sysattr, unsigned base, unsigned *ret_value);
20static inline int device_get_sysattr_unsigned(sd_device *device, const char *sysattr, unsigned *ret_value) {
21 return device_get_sysattr_unsigned_full(device, sysattr, 0, ret_value);
22}
23int device_get_sysattr_u32(sd_device *device, const char *sysattr, uint32_t *ret_value);
24int device_get_sysattr_bool(sd_device *device, const char *sysattr);
25int device_get_devlink_priority(sd_device *device, int *ret);
26int device_get_devnode_mode(sd_device *device, mode_t *ret);
27int device_get_devnode_uid(sd_device *device, uid_t *ret);
28int device_get_devnode_gid(sd_device *device, gid_t *ret);
29
30int device_chase(sd_device *device, const char *path, ChaseFlags flags, char **ret_resolved, int *ret_fd);
31void device_clear_sysattr_cache(sd_device *device);
32int device_cache_sysattr_value(sd_device *device, char *key, char *value, int error);
33
34void device_seal(sd_device *device);
35void device_set_is_initialized(sd_device *device);
36void device_set_db_persist(sd_device *device);
37void device_set_devlink_priority(sd_device *device, int priority);
38int device_ensure_usec_initialized(sd_device *device, sd_device *device_old);
39int device_add_devlink(sd_device *device, const char *devlink);
40int device_remove_devlink(sd_device *device, const char *devlink);
41bool device_has_devlink(sd_device *device, const char *devlink);
42int device_add_property(sd_device *device, const char *property, const char *value);
43int device_add_propertyf(sd_device *device, const char *key, const char *format, ...) _printf_(3, 4);
44int device_add_tag(sd_device *device, const char *tag, bool both);
45void device_remove_tag(sd_device *device, const char *tag);
46void device_cleanup_tags(sd_device *device);
47void device_cleanup_devlinks(sd_device *device);
48
49uint64_t device_get_properties_generation(sd_device *device);
50uint64_t device_get_tags_generation(sd_device *device);
51uint64_t device_get_devlinks_generation(sd_device *device);
52
53int device_properties_prepare(sd_device *device);
54int device_get_properties_nulstr(sd_device *device, const char **ret_nulstr, size_t *ret_len);
55int device_get_properties_strv(sd_device *device, char ***ret);
56
57int device_clone_with_db(sd_device *device, sd_device **ret);
58
59int device_tag_index(sd_device *device, sd_device *device_old, bool add);
60bool device_should_have_db(sd_device *device);
61int device_has_db(sd_device *device);
62int device_update_db(sd_device *device);
63int device_delete_db(sd_device *device);
64int device_read_db_internal_filename(sd_device *device, const char *filename); /* For fuzzer */
65int device_read_db_internal(sd_device *device, bool force);
66static inline int device_read_db(sd_device *device) {
67 return device_read_db_internal(device, false);
68}
69
70int device_read_uevent_file(sd_device *device);
71
72int device_set_action(sd_device *device, sd_device_action_t a);
73sd_device_action_t device_action_from_string(const char *s) _pure_;
74const char* device_action_to_string(sd_device_action_t a) _const_;