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 #ifdef LIBDEVATTR_INTERNAL
  51 int udev_get_fd(struct udev *udev_ctx);
  52 #endif
  53
  54 struct udev_device *udev_device_new_from_dictionary(struct udev *udev_ctx, prop_dictionary_t dict);
  55 struct udev_device *udev_device_ref(struct udev_device *udev_device);
  56 void udev_device_unref(struct udev_device *udev_device);
  57 prop_dictionary_t udev_device_get_dictionary(struct udev_device *udev_device);
  58 struct udev *udev_device_get_udev(struct udev_device *udev_device);
  59 void udev_device_set_action(struct udev_device *udev_device, int action);
  60 const char *udev_device_get_action(struct udev_device *udev_device);
  61 dev_t udev_device_get_devnum(struct udev_device *udev_device);
  62 const char *udev_device_get_devnode(struct udev_device *udev_device);
  63 const char *udev_device_get_property_value(struct udev_device *udev_device,
  64                                         const char *key);
  65 const char *udev_device_get_subsystem(struct udev_device *udev_device);
  66 const char *udev_device_get_driver(struct udev_device *udev_device);
  67 uint64_t udev_device_get_kptr(struct udev_device *udev_device);
  68 int32_t udev_device_get_major(struct udev_device *udev_device);
  69 int32_t udev_device_get_minor(struct udev_device *udev_device);
  70
  71 struct udev_enumerate *udev_enumerate_new(struct udev *udev_ctx);
  72 struct udev_enumerate *udev_enumerate_ref(struct udev_enumerate *udev_enum);
  73 void udev_enumerate_unref(struct udev_enumerate *udev_enum);
  74 struct udev *udev_enumerate_get_udev(struct udev_enumerate *udev_enum);
  75 int udev_enumerate_scan_devices(struct udev_enumerate *udev_enum);
  76 struct udev_list_entry *udev_enumerate_get_list_entry(struct udev_enumerate *udev_enum);
  77 #define udev_list_entry_foreach(list_entry, first_entry) \
  78         for(list_entry = first_entry; \
  79             list_entry != NULL; \
  80             list_entry = udev_list_entry_get_next(list_entry))
  81 prop_array_t udev_enumerate_get_array(struct udev_enumerate *udev_enum);
  82 struct udev_list_entry *udev_list_entry_get_next(struct udev_list_entry *list_entry);
  83 prop_dictionary_t udev_list_entry_get_dictionary(struct udev_list_entry *list_entry);
  84 struct udev_device *udev_list_entry_get_device(struct udev_list_entry *list_entry);
  85 #ifdef LIBDEVATTR_INTERNAL
  86 int _udev_enumerate_filter_add_match_gen(struct udev_enumerate *udev_enum,
  87                                      int type,
  88                                      int neg,
  89                                      const char *key,
  90                                      char *expr);
  91 #endif
  92 int udev_enumerate_add_match_subsystem(struct udev_enumerate *udev_enum,
  93                                                 const char *subsystem);
  94 int udev_enumerate_add_nomatch_subsystem(struct udev_enumerate *udev_enum,
  95                                                 const char *subsystem);
  96 int udev_enumerate_add_match_expr(struct udev_enumerate *udev_enum,
  97                               const char *key,
  98                               char *expr);
  99 int udev_enumerate_add_nomatch_expr(struct udev_enumerate *udev_enum,
 100                                 const char *key,
 101                                 char *expr);
 102 int udev_enumerate_add_match_regex(struct udev_enumerate *udev_enum,
 103                               const char *key,
 104                               char *expr);
 105 int udev_enumerate_add_nomatch_regex(struct udev_enumerate *udev_enum,
 106                                 const char *key,
 107                                 char *expr);
 108 #define udev_enumerate_add_match_property(x, a, b) \
 109         udev_enumerate_add_match_expr((x), (a), __DECONST(char *, (b)))
 110
 111 #define udev_enumerate_add_nomatch_property(x, a, b) \
 112         udev_enumerate_add_nomatch_expr((x), (a), __DECONST(char *, (b)))
 113
 114 struct udev_monitor *udev_monitor_new(struct udev *udev_ctx);
 115 struct udev_monitor *udev_monitor_ref(struct udev_monitor *udev_monitor);
 116 void udev_monitor_unref(struct udev_monitor *udev_monitor);
 117 struct udev *udev_monitor_get_udev(struct udev_monitor *udev_monitor);
 118 int udev_monitor_get_fd(struct udev_monitor *udev_monitor);
 119 struct udev_device *udev_monitor_receive_device(struct udev_monitor *udev_monitor);
 120 int udev_monitor_enable_receiving(struct udev_monitor *udev_monitor);
 121 int udev_monitor_filter_add_match_subsystem_devtype(struct udev_monitor *udev_monitor,
 122                                                 const char *subsystem,
 123                                                 const char *devtype);
 124 int udev_monitor_filter_add_match_expr(struct udev_monitor *udev_monitor,
 125                                    const char *key,
 126                                    char *expr);
 127 int udev_monitor_filter_add_nomatch_expr(struct udev_monitor *udev_monitor,
 128                                      const char *key,
 129                                      char *expr);
 130 int udev_monitor_filter_add_match_regex(struct udev_monitor *udev_monitor,
 131                                    const char *key,
 132                                    char *expr);
 133 int udev_monitor_filter_add_nomatch_regex(struct udev_monitor *udev_monitor,
 134                                      const char *key,
 135                                      char *expr);
 136 #define udev_monitor_filter_add_match_property(x, a, b) \
 137         udev_monitor_filter_add_match_expr((x), (a), __DECONST(char *, (b)))
 138
 139 #define udev_monitor_filter_add_nomatch_property(x, a, b) \
 140         udev_monitor_filter_add_nomatch_expr((x), (a), __DECONST(char *, (b)))
 141
 142 #ifdef LIBDEVATTR_INTERNAL
 143 int _udev_monitor_filter_add_match_gen(struct udev_monitor *udev_monitor,
 144                                    int type,
 145                                    int neg,
 146                                    const char *key,
 147                                    char *expr);
 148 int _udev_filter_add_match_gen(prop_array_t filters,
 149                                    int type,
 150                                    int neg,
 151                                    const char *key,
 152                                    char *expr);
 153 #endif
 154
 155 #ifdef LIBDEVATTR_INTERNAL
 156 int send_xml(int s, char *xml);
 157 int read_xml(int s, char **buf);
 158 int _udev_dict_set_cstr(prop_dictionary_t dict, const char *key, char *str);
 159 int _udev_dict_set_int(prop_dictionary_t dict, const char *key, int64_t val);
 160 int _udev_dict_set_uint(prop_dictionary_t dict, const char *key, uint64_t val);
 161 int conn_local_server(const char *sockfile, int socktype, int nonblock,
 162                   int *retsock);
 163 prop_dictionary_t udevd_get_command_dict(char *command);
 164 prop_array_t udevd_request_devs(int s, prop_array_t filters);
 165 #endif