/* SPDX-License-Identifier: LGPL-2.1-or-later */ #pragma once #if HAVE_SYS_SDT_H #define SDT_USE_VARIADIC #include #endif #include "sd-device.h" #include "time-util.h" #define UDEV_NAME_SIZE 512 #define UDEV_PATH_SIZE 1024 #define UDEV_LINE_SIZE 16384 typedef enum ResolveNameTiming { RESOLVE_NAME_NEVER, RESOLVE_NAME_LATE, RESOLVE_NAME_EARLY, _RESOLVE_NAME_TIMING_MAX, _RESOLVE_NAME_TIMING_INVALID = -EINVAL, } ResolveNameTiming; ResolveNameTiming resolve_name_timing_from_string(const char *s) _pure_; const char *resolve_name_timing_to_string(ResolveNameTiming i) _const_; int udev_parse_config_full( unsigned *ret_children_max, usec_t *ret_exec_delay_usec, usec_t *ret_event_timeout_usec, ResolveNameTiming *ret_resolve_name_timing, int *ret_timeout_signal); static inline int udev_parse_config(void) { return udev_parse_config_full(NULL, NULL, NULL, NULL, NULL); } int device_wait_for_initialization(sd_device *device, const char *subsystem, usec_t timeout_usec, sd_device **ret); int device_wait_for_devlink(const char *path, const char *subsystem, usec_t timeout_usec, sd_device **ret); int device_is_renaming(sd_device *dev); bool device_for_action(sd_device *dev, sd_device_action_t action); void log_device_uevent(sd_device *device, const char *str); int udev_rule_parse_value(char *str, char **ret_value, char **ret_endpos); size_t udev_replace_whitespace(const char *str, char *to, size_t len); size_t udev_replace_ifname(char *str); size_t udev_replace_chars(char *str, const char *allow); int udev_resolve_subsys_kernel(const char *string, char *result, size_t maxsize, bool read_value); bool devpath_conflict(const char *a, const char *b); int udev_queue_is_empty(void); int udev_queue_init(void); int on_ac_power(void); bool udev_available(void); #if HAVE_SYS_SDT_H /* Each trace point can have different number of additional arguments. Note that when the macro is used only * additional arguments are listed in the macro invocation! * * Default arguments for each trace point are as follows: * - arg0 - action * - arg1 - sysname * - arg2 - syspath * - arg3 - subsystem */ #define DEVICE_TRACE_POINT(name, dev, ...) \ do { \ PROTECT_ERRNO; \ const char *_n = NULL, *_p = NULL, *_s = NULL; \ sd_device *_d = (dev); \ sd_device_action_t _a = _SD_DEVICE_ACTION_INVALID; \ (void) sd_device_get_action(_d, &_a); \ (void) sd_device_get_sysname(_d, &_n); \ (void) sd_device_get_syspath(_d, &_p); \ (void) sd_device_get_subsystem(_d, &_s); \ STAP_PROBEV(udev, name, device_action_to_string(_a), _n, _p, _s __VA_OPT__(,) __VA_ARGS__);\ } while (false); #else #define DEVICE_TRACE_POINT(name, dev, ...) ((void) 0) #endif