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1 : /* SPDX-License-Identifier: LGPL-2.1+ */ 2 : #ifndef foosddevicehfoo 3 : #define foosddevicehfoo 4 : 5 : /*** 6 : systemd is free software; you can redistribute it and/or modify it 7 : under the terms of the GNU Lesser General Public License as published by 8 : the Free Software Foundation; either version 2.1 of the License, or 9 : (at your option) any later version. 10 : 11 : systemd is distributed in the hope that it will be useful, but 12 : WITHOUT ANY WARRANTY; without even the implied warranty of 13 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 : Lesser General Public License for more details. 15 : 16 : You should have received a copy of the GNU Lesser General Public License 17 : along with systemd; If not, see <http://www.gnu.org/licenses/>. 18 : ***/ 19 : 20 : #include <inttypes.h> 21 : #include <sys/sysmacros.h> 22 : #include <sys/types.h> 23 : 24 : #include "sd-event.h" 25 : 26 : #include "_sd-common.h" 27 : 28 : _SD_BEGIN_DECLARATIONS; 29 : 30 : typedef struct sd_device sd_device; 31 : typedef struct sd_device_enumerator sd_device_enumerator; 32 : typedef struct sd_device_monitor sd_device_monitor; 33 : 34 : /* callback */ 35 : 36 : typedef int (*sd_device_monitor_handler_t)(sd_device_monitor *m, sd_device *device, void *userdata); 37 : 38 : /* device */ 39 : 40 : sd_device *sd_device_ref(sd_device *device); 41 : sd_device *sd_device_unref(sd_device *device); 42 : 43 : int sd_device_new_from_syspath(sd_device **ret, const char *syspath); 44 : int sd_device_new_from_devnum(sd_device **ret, char type, dev_t devnum); 45 : int sd_device_new_from_subsystem_sysname(sd_device **ret, const char *subsystem, const char *sysname); 46 : int sd_device_new_from_device_id(sd_device **ret, const char *id); 47 : 48 : int sd_device_get_parent(sd_device *child, sd_device **ret); 49 : int sd_device_get_parent_with_subsystem_devtype(sd_device *child, const char *subsystem, const char *devtype, sd_device **ret); 50 : 51 : int sd_device_get_syspath(sd_device *device, const char **ret); 52 : int sd_device_get_subsystem(sd_device *device, const char **ret); 53 : int sd_device_get_devtype(sd_device *device, const char **ret); 54 : int sd_device_get_devnum(sd_device *device, dev_t *devnum); 55 : int sd_device_get_ifindex(sd_device *device, int *ifindex); 56 : int sd_device_get_driver(sd_device *device, const char **ret); 57 : int sd_device_get_devpath(sd_device *device, const char **ret); 58 : int sd_device_get_devname(sd_device *device, const char **ret); 59 : int sd_device_get_sysname(sd_device *device, const char **ret); 60 : int sd_device_get_sysnum(sd_device *device, const char **ret); 61 : 62 : int sd_device_get_is_initialized(sd_device *device); 63 : int sd_device_get_usec_since_initialized(sd_device *device, uint64_t *usec); 64 : 65 : const char *sd_device_get_tag_first(sd_device *device); 66 : const char *sd_device_get_tag_next(sd_device *device); 67 : const char *sd_device_get_devlink_first(sd_device *device); 68 : const char *sd_device_get_devlink_next(sd_device *device); 69 : const char *sd_device_get_property_first(sd_device *device, const char **value); 70 : const char *sd_device_get_property_next(sd_device *device, const char **value); 71 : const char *sd_device_get_sysattr_first(sd_device *device); 72 : const char *sd_device_get_sysattr_next(sd_device *device); 73 : 74 : int sd_device_has_tag(sd_device *device, const char *tag); 75 : int sd_device_get_property_value(sd_device *device, const char *key, const char **value); 76 : int sd_device_get_sysattr_value(sd_device *device, const char *sysattr, const char **_value); 77 : 78 : int sd_device_set_sysattr_value(sd_device *device, const char *sysattr, const char *value); 79 : 80 : /* device enumerator */ 81 : 82 : int sd_device_enumerator_new(sd_device_enumerator **ret); 83 : sd_device_enumerator *sd_device_enumerator_ref(sd_device_enumerator *enumerator); 84 : sd_device_enumerator *sd_device_enumerator_unref(sd_device_enumerator *enumerator); 85 : 86 : sd_device *sd_device_enumerator_get_device_first(sd_device_enumerator *enumerator); 87 : sd_device *sd_device_enumerator_get_device_next(sd_device_enumerator *enumerator); 88 : sd_device *sd_device_enumerator_get_subsystem_first(sd_device_enumerator *enumerator); 89 : sd_device *sd_device_enumerator_get_subsystem_next(sd_device_enumerator *enumerator); 90 : 91 : int sd_device_enumerator_add_match_subsystem(sd_device_enumerator *enumerator, const char *subsystem, int match); 92 : int sd_device_enumerator_add_match_sysattr(sd_device_enumerator *enumerator, const char *sysattr, const char *value, int match); 93 : int sd_device_enumerator_add_match_property(sd_device_enumerator *enumerator, const char *property, const char *value); 94 : int sd_device_enumerator_add_match_sysname(sd_device_enumerator *enumerator, const char *sysname); 95 : int sd_device_enumerator_add_match_tag(sd_device_enumerator *enumerator, const char *tag); 96 : int sd_device_enumerator_add_match_parent(sd_device_enumerator *enumerator, sd_device *parent); 97 : int sd_device_enumerator_allow_uninitialized(sd_device_enumerator *enumerator); 98 : 99 : /* device monitor */ 100 : 101 : int sd_device_monitor_new(sd_device_monitor **ret); 102 : sd_device_monitor *sd_device_monitor_ref(sd_device_monitor *m); 103 : sd_device_monitor *sd_device_monitor_unref(sd_device_monitor *m); 104 : 105 : int sd_device_monitor_set_receive_buffer_size(sd_device_monitor *m, size_t size); 106 : int sd_device_monitor_attach_event(sd_device_monitor *m, sd_event *event); 107 : int sd_device_monitor_detach_event(sd_device_monitor *m); 108 : sd_event *sd_device_monitor_get_event(sd_device_monitor *m); 109 : sd_event_source *sd_device_monitor_get_event_source(sd_device_monitor *m); 110 : int sd_device_monitor_start(sd_device_monitor *m, sd_device_monitor_handler_t callback, void *userdata); 111 : int sd_device_monitor_stop(sd_device_monitor *m); 112 : 113 : int sd_device_monitor_filter_add_match_subsystem_devtype(sd_device_monitor *m, const char *subsystem, const char *devtype); 114 : int sd_device_monitor_filter_add_match_tag(sd_device_monitor *m, const char *tag); 115 : int sd_device_monitor_filter_update(sd_device_monitor *m); 116 : int sd_device_monitor_filter_remove(sd_device_monitor *m); 117 : 118 15893 : _SD_DEFINE_POINTER_CLEANUP_FUNC(sd_device, sd_device_unref); 119 177 : _SD_DEFINE_POINTER_CLEANUP_FUNC(sd_device_enumerator, sd_device_enumerator_unref); 120 12 : _SD_DEFINE_POINTER_CLEANUP_FUNC(sd_device_monitor, sd_device_monitor_unref); 121 : 122 : _SD_END_DECLARATIONS; 123 : 124 : #endif