udev.h

   1 /*
   2  * udev.h
   3  *
   4  * Userspace devfs
   5  *
   6  * Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
   7  * Copyright (C) 2003-2005 Kay Sievers <kay.sievers@vrfy.org>
   8  *
   9  *      This program is free software; you can redistribute it and/or modify it
  10  *      under the terms of the GNU General Public License as published by the
  11  *      Free Software Foundation version 2 of the License.
  12  *
  13  *      This program is distributed in the hope that it will be useful, but
  14  *      WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  *      General Public License for more details.
  17  *
  18  *      You should have received a copy of the GNU General Public License along
  19  *      with this program; if not, write to the Free Software Foundation, Inc.,
  20  *      675 Mass Ave, Cambridge, MA 02139, USA.
  21  *
  22  */
  23
  24 #ifndef _UDEV_H_
  25 #define _UDEV_H_
  26
  27 #include <sys/types.h>
  28 #include <sys/param.h>
  29 #include "libsysfs/sysfs/libsysfs.h"
  30 #include "list.h"
  31
  32 #define ALARM_TIMEOUT                   120
  33 #define COMMENT_CHARACTER               '#'
  34
  35 #define LINE_SIZE                       512
  36 #define NAME_SIZE                       128
  37 #define PATH_SIZE                       256
  38 #define USER_SIZE                       32
  39 #define SEQNUM_SIZE                     32
  40 #define VALUE_SIZE                      128
  41
  42 #define DEVD_DIR                        "/etc/dev.d"
  43 #define DEVD_SUFFIX                     ".dev"
  44
  45 #define HOTPLUGD_DIR                    "/etc/hotplug.d"
  46 #define HOTPLUG_SUFFIX                  ".hotplug"
  47
  48 #define DEFAULT_PARTITIONS_COUNT        15
  49
  50 enum device_type {
  51         DEV_UNKNOWN,
  52         DEV_CLASS,
  53         DEV_BLOCK,
  54         DEV_NET,
  55         DEV_DEVICE,
  56 };
  57
  58 struct udevice {
  59         char devpath[PATH_SIZE];
  60         char subsystem[NAME_SIZE];
  61
  62         enum device_type type;
  63         char name[PATH_SIZE];
  64         char devname[PATH_SIZE];
  65         struct list_head symlink_list;
  66         char owner[USER_SIZE];
  67         char group[USER_SIZE];
  68         mode_t mode;
  69         dev_t devt;
  70
  71         char tmp_node[PATH_SIZE];
  72         int partitions;
  73         int ignore_remove;
  74         int config_line;
  75         char config_file[PATH_SIZE];
  76         char bus_id[NAME_SIZE];
  77         char program_result[PATH_SIZE];
  78         char kernel_number[NAME_SIZE];
  79         char kernel_name[NAME_SIZE];
  80         int test_run;
  81 };
  82
  83 extern int udev_add_device(struct udevice *udev, struct sysfs_class_device *class_dev);
  84 extern int udev_remove_device(struct udevice *udev);
  85 extern void udev_init_config(void);
  86 extern int udev_start(void);
  87 extern void udev_multiplex_directory(struct udevice *udev, const char *basedir, const char *suffix);
  88 extern int udev_make_node(struct udevice *udev, const char *file, dev_t devt, mode_t mode, uid_t uid, gid_t gid);
  89
  90 extern char sysfs_path[PATH_SIZE];
  91 extern char udev_root[PATH_SIZE];
  92 extern char udev_db_path[PATH_SIZE];
  93 extern char udev_config_filename[PATH_SIZE];
  94 extern char udev_rules_filename[PATH_SIZE];
  95 extern int udev_log;
  96 extern int udev_dev_d;
  97 extern int udev_hotplug_d;
  98
  99 #endif