lib/libdevattr/devattr.h

   1 /*
   2  * Copyright (c) 2010 The DragonFly Project.  All rights reserved.
   3  *
   4  * This code is derived from software contributed to The DragonFly Project
   5  * by Alex Hornung <ahornung@gmail.com>
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in
  15  *    the documentation and/or other materials provided with the
  16  *    distribution.
  17  * 3. Neither the name of The DragonFly Project nor the names of its
  18  *    contributors may be used to endorse or promote products derived
  19  *    from this software without specific, prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  */
  34 #include <sys/queue.h>
  35 #include <libprop/proplib.h>
  36 #include <cpu/atomic.h>
  37
  38 struct udev;
  39 struct udev_enumerate;
  40 struct udev_list_entry;
  41 struct udev_monitor;
  42 struct udev_device;
  43
  44 struct udev *udev_new(void);
  45 struct udev *udev_ref(struct udev *udev_ctx);
  46 void udev_unref(struct udev *udev_ctx);
  47 const char *udev_get_dev_path(struct udev *udev_ctx);
  48 void *udev_get_userdata(struct udev *udev_ctx);
  49 void udev_set_userdata(struct udev *udev_ctx, void *userdata);
  50 int udev_get_fd(struct udev *udev_ctx);
  51
  52 struct udev_device *udev_device_new_from_dictionary(struct udev *udev_ctx, prop_dictionary_t dict);
  53 struct udev_device *udev_device_ref(struct udev_device *udev_device);
  54 void udev_device_unref(struct udev_device *udev_device);
  55 prop_dictionary_t udev_device_get_dictionary(struct udev_device *udev_device);
  56 struct udev *udev_device_get_udev(struct udev_device *udev_device);
  57 void udev_device_set_action(struct udev_device *udev_device, int action);
  58 const char *udev_device_get_action(struct udev_device *udev_device);
  59 dev_t udev_device_get_devnum(struct udev_device *udev_device);
  60 const char *udev_device_get_devnode(struct udev_device *udev_device);
  61 const char *udev_device_get_property_value(struct udev_device *udev_device,
  62                                         const char *key);
  63 const char *udev_device_get_subsystem(struct udev_device *udev_device);
  64 const char *udev_device_get_driver(struct udev_device *udev_device);
  65 uint64_t udev_device_get_kptr(struct udev_device *udev_device);
  66 int32_t udev_device_get_major(struct udev_device *udev_device);
  67 int32_t udev_device_get_minor(struct udev_device *udev_device);
  68
  69 struct udev_enumerate *udev_enumerate_new(struct udev *udev_ctx);
  70 struct udev_enumerate *udev_enumerate_ref(struct udev_enumerate *udev_enum);
  71 void udev_enumerate_unref(struct udev_enumerate *udev_enum);
  72 struct udev *udev_enumerate_get_udev(struct udev_enumerate *udev_enum);
  73 int udev_enumerate_scan_devices(struct udev_enumerate *udev_enum);
  74 struct udev_list_entry *udev_enumerate_get_list_entry(struct udev_enumerate *udev_enum);
  75 #define udev_list_entry_foreach(list_entry, first_entry) \
  76         for(list_entry = first_entry; \
  77             list_entry != NULL; \
  78             list_entry = udev_list_entry_get_next(list_entry))
  79 prop_array_t udev_enumerate_get_array(struct udev_enumerate *udev_enum);
  80 struct udev_list_entry *udev_list_entry_get_next(struct udev_list_entry *list_entry);
  81 prop_dictionary_t udev_list_entry_get_dictionary(struct udev_list_entry *list_entry);
  82 struct udev_device *udev_list_entry_get_device(struct udev_list_entry *list_entry);
  83 int _udev_enumerate_filter_add_match_gen(struct udev_enumerate *udev_enum,
  84                                      int type,
  85                                      int neg,
  86                                      const char *key,
  87                                      char *expr);
  88 int udev_enumerate_add_match_subsystem(struct udev_enumerate *udev_enum,
  89                                                 const char *subsystem);
  90 int udev_enumerate_add_nomatch_subsystem(struct udev_enumerate *udev_enum,
  91                                                 const char *subsystem);
  92 int udev_enumerate_add_match_expr(struct udev_enumerate *udev_enum,
  93                               const char *key,
  94                               char *expr);
  95 int udev_enumerate_add_nomatch_expr(struct udev_enumerate *udev_enum,
  96                                 const char *key,
  97                                 char *expr);
  98 int udev_enumerate_add_match_regex(struct udev_enumerate *udev_enum,
  99                               const char *key,
 100                               char *expr);
 101 int udev_enumerate_add_nomatch_regex(struct udev_enumerate *udev_enum,
 102                                 const char *key,
 103                                 char *expr);
 104 #define udev_enumerate_add_match_property(a, b) \
 105         udev_enumerate_add_match_expr((a), __DECONST(char *, (b)))
 106
 107 #define udev_enumerate_add_nomatch_property(a, b) \
 108         udev_enumerate_add_nomatch_expr((a), __DECONST(char *, (b)))
 109
 110 struct udev_monitor *udev_monitor_new(struct udev *udev_ctx);
 111 struct udev_monitor *udev_monitor_ref(struct udev_monitor *udev_monitor);
 112 void udev_monitor_unref(struct udev_monitor *udev_monitor);
 113 struct udev *udev_monitor_get_udev(struct udev_monitor *udev_monitor);
 114 int udev_monitor_get_fd(struct udev_monitor *udev_monitor);
 115 struct udev_device *udev_monitor_receive_device(struct udev_monitor *udev_monitor);
 116 int udev_monitor_enable_receiving(struct udev_monitor *udev_monitor);
 117 int udev_monitor_filter_add_match_subsystem_devtype(struct udev_monitor *udev_monitor,
 118                                                 const char *subsystem,
 119                                                 const char *devtype);
 120 int udev_monitor_filter_add_match_expr(struct udev_monitor *udev_monitor,
 121                                    const char *key,
 122                                    char *expr);
 123 int udev_monitor_filter_add_nomatch_expr(struct udev_monitor *udev_monitor,
 124                                      const char *key,
 125                                      char *expr);
 126 int udev_monitor_filter_add_match_regex(struct udev_monitor *udev_monitor,
 127                                    const char *key,
 128                                    char *expr);
 129 int udev_monitor_filter_add_nomatch_regex(struct udev_monitor *udev_monitor,
 130                                      const char *key,
 131                                      char *expr);
 132 int _udev_monitor_filter_add_match_gen(struct udev_monitor *udev_monitor,
 133                                    int type,
 134                                    int neg,
 135                                    const char *key,
 136                                    char *expr);
 137 int _udev_filter_add_match_gen(prop_array_t filters,
 138                                    int type,
 139                                    int neg,
 140                                    const char *key,
 141                                    char *expr);
 142
 143 int send_xml(int s, char *xml);
 144 int read_xml(int s, char *buf, size_t buf_sz);
 145 int _udev_dict_set_cstr(prop_dictionary_t dict, const char *key, char *str);
 146 int _udev_dict_set_int(prop_dictionary_t dict, const char *key, int64_t val);
 147 int _udev_dict_set_uint(prop_dictionary_t dict, const char *key, uint64_t val);
 148 int conn_local_server(const char *sockfile, int socktype, int nonblock,
 149                   int *retsock);
 150 prop_dictionary_t udevd_get_command_dict(char *command);
 151 prop_array_t udevd_request_devs(int s, prop_array_t filters);