From 19f4f86bfed21c5326ed2acebe1163f3a83e832b Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 04:25:50 +0200 Subject: Adding upstream version 241. Signed-off-by: Daniel Baumann --- src/libsystemd/sd-device/device-internal.h | 113 +++++++++++++++++++++++++++++ 1 file changed, 113 insertions(+) create mode 100644 src/libsystemd/sd-device/device-internal.h (limited to 'src/libsystemd/sd-device/device-internal.h') diff --git a/src/libsystemd/sd-device/device-internal.h b/src/libsystemd/sd-device/device-internal.h new file mode 100644 index 0000000..3ffca35 --- /dev/null +++ b/src/libsystemd/sd-device/device-internal.h @@ -0,0 +1,113 @@ +/* SPDX-License-Identifier: LGPL-2.1+ */ +#pragma once + +#include "sd-device.h" + +#include "hashmap.h" +#include "set.h" +#include "time-util.h" + +struct sd_device { + unsigned n_ref; + + int watch_handle; + + sd_device *parent; + + OrderedHashmap *properties; + Iterator properties_iterator; + uint64_t properties_generation; /* changes whenever the properties are changed */ + uint64_t properties_iterator_generation; /* generation when iteration was started */ + + /* the subset of the properties that should be written to the db */ + OrderedHashmap *properties_db; + + Hashmap *sysattr_values; /* cached sysattr values */ + + Set *sysattrs; /* names of sysattrs */ + Iterator sysattrs_iterator; + + Set *tags; + Iterator tags_iterator; + uint64_t tags_generation; /* changes whenever the tags are changed */ + uint64_t tags_iterator_generation; /* generation when iteration was started */ + + Set *devlinks; + Iterator devlinks_iterator; + uint64_t devlinks_generation; /* changes whenever the devlinks are changed */ + uint64_t devlinks_iterator_generation; /* generation when iteration was started */ + int devlink_priority; + + int ifindex; + char *devtype; + char *devname; + dev_t devnum; + + char **properties_strv; /* the properties hashmap as a strv */ + uint8_t *properties_nulstr; /* the same as a nulstr */ + size_t properties_nulstr_len; + + char *syspath; + const char *devpath; + const char *sysnum; + char *sysname; + + char *subsystem; + char *driver_subsystem; /* only set for the 'drivers' subsystem */ + char *driver; + + char *id_filename; + + uint64_t usec_initialized; + + mode_t devmode; + uid_t devuid; + gid_t devgid; + + bool parent_set:1; /* no need to try to reload parent */ + bool sysattrs_read:1; /* don't try to re-read sysattrs once read */ + bool property_tags_outdated:1; /* need to update TAGS= property */ + bool property_devlinks_outdated:1; /* need to update DEVLINKS= property */ + bool properties_buf_outdated:1; /* need to reread hashmap */ + bool sysname_set:1; /* don't reread sysname */ + bool subsystem_set:1; /* don't reread subsystem */ + bool driver_subsystem_set:1; /* don't reread subsystem */ + bool driver_set:1; /* don't reread driver */ + bool uevent_loaded:1; /* don't reread uevent */ + bool db_loaded; /* don't reread db */ + + bool is_initialized:1; + bool sealed:1; /* don't read more information from uevent/db */ + bool db_persist:1; /* don't clean up the db when switching from initrd to real root */ +}; + +typedef enum DeviceAction { + DEVICE_ACTION_ADD, + DEVICE_ACTION_REMOVE, + DEVICE_ACTION_CHANGE, + DEVICE_ACTION_MOVE, + DEVICE_ACTION_ONLINE, + DEVICE_ACTION_OFFLINE, + DEVICE_ACTION_BIND, + DEVICE_ACTION_UNBIND, + _DEVICE_ACTION_MAX, + _DEVICE_ACTION_INVALID = -1, +} DeviceAction; + +int device_new_aux(sd_device **ret); +int device_add_property_aux(sd_device *device, const char *key, const char *value, bool db); +int device_add_property_internal(sd_device *device, const char *key, const char *value); +int device_read_uevent_file(sd_device *device); + +int device_set_syspath(sd_device *device, const char *_syspath, bool verify); +int device_set_ifindex(sd_device *device, const char *ifindex); +int device_set_devmode(sd_device *device, const char *devmode); +int device_set_devname(sd_device *device, const char *_devname); +int device_set_devtype(sd_device *device, const char *_devtype); +int device_set_devnum(sd_device *device, const char *major, const char *minor); +int device_set_subsystem(sd_device *device, const char *_subsystem); +int device_set_driver(sd_device *device, const char *_driver); +int device_set_usec_initialized(sd_device *device, usec_t when); + +DeviceAction device_action_from_string(const char *s) _pure_; +const char *device_action_to_string(DeviceAction a) _const_; -- cgit v1.2.3