src/libsystemd/sd-device/device-private.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 #include <inttypes.h>
   5 #include <stdbool.h>
   6 #include <sys/stat.h>
   7 #include <sys/types.h>
   8
   9 #include "sd-device.h"
  10
  11 #include "macro.h"
  12
  13 int device_new_from_nulstr(sd_device **ret, uint8_t *nulstr, size_t len);
  14 int device_new_from_strv(sd_device **ret, char **strv);
  15 int device_new_from_watch_handle_at(sd_device **ret, int dirfd, int wd);
  16 static inline int device_new_from_watch_handle(sd_device **ret, int wd) {
  17         return device_new_from_watch_handle_at(ret, -1, wd);
  18 }
  19
  20 int device_get_device_id(sd_device *device, const char **ret);
  21
  22 int device_get_devlink_priority(sd_device *device, int *priority);
  23 int device_get_watch_handle(sd_device *device);
  24 int device_get_devnode_mode(sd_device *device, mode_t *mode);
  25 int device_get_devnode_uid(sd_device *device, uid_t *uid);
  26 int device_get_devnode_gid(sd_device *device, gid_t *gid);
  27
  28 void device_seal(sd_device *device);
  29 void device_set_is_initialized(sd_device *device);
  30 int device_set_watch_handle(sd_device *device, int wd);
  31 void device_set_db_persist(sd_device *device);
  32 void device_set_devlink_priority(sd_device *device, int priority);
  33 int device_ensure_usec_initialized(sd_device *device, sd_device *device_old);
  34 int device_add_devlink(sd_device *device, const char *devlink);
  35 int device_add_property(sd_device *device, const char *property, const char *value);
  36 int device_add_tag(sd_device *device, const char *tag, bool both);
  37 void device_remove_tag(sd_device *device, const char *tag);
  38 void device_cleanup_tags(sd_device *device);
  39 void device_cleanup_devlinks(sd_device *device);
  40
  41 uint64_t device_get_properties_generation(sd_device *device);
  42 uint64_t device_get_tags_generation(sd_device *device);
  43 uint64_t device_get_devlinks_generation(sd_device *device);
  44
  45 int device_properties_prepare(sd_device *device);
  46 int device_get_properties_nulstr(sd_device *device, const uint8_t **nulstr, size_t *len);
  47 int device_get_properties_strv(sd_device *device, char ***strv);
  48
  49 int device_rename(sd_device *device, const char *name);
  50 int device_shallow_clone(sd_device *old_device, sd_device **new_device);
  51 int device_clone_with_db(sd_device *old_device, sd_device **new_device);
  52 int device_copy_properties(sd_device *device_dst, sd_device *device_src);
  53 int device_new_from_synthetic_event(sd_device **new_device, const char *syspath, const char *action);
  54
  55 int device_tag_index(sd_device *dev, sd_device *dev_old, bool add);
  56 int device_update_db(sd_device *device);
  57 int device_delete_db(sd_device *device);
  58 int device_read_db_internal_filename(sd_device *device, const char *filename); /* For fuzzer */
  59 int device_read_db_internal(sd_device *device, bool force);
  60 static inline int device_read_db(sd_device *device) {
  61         return device_read_db_internal(device, false);
  62 }
  63
  64 sd_device_action_t device_action_from_string(const char *s) _pure_;
  65 const char *device_action_to_string(sd_device_action_t a) _const_;
  66 void dump_device_action_table(void);