udev_rules.h

   1 /*
   2  * udev_rules.h
   3  *
   4  * Userspace devfs
   5  *
   6  * Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com>
   7  *
   8  *      This program is free software; you can redistribute it and/or modify it
   9  *      under the terms of the GNU General Public License as published by the
  10  *      Free Software Foundation version 2 of the License.
  11  *
  12  *      This program is distributed in the hope that it will be useful, but
  13  *      WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  *      General Public License for more details.
  16  *
  17  *      You should have received a copy of the GNU General Public License along
  18  *      with this program; if not, write to the Free Software Foundation, Inc.,
  19  *      675 Mass Ave, Cambridge, MA 02139, USA.
  20  *
  21  */
  22
  23 #ifndef UDEV_RULES_H
  24 #define UDEV_RULES_H
  25
  26 #include "libsysfs/sysfs/libsysfs.h"
  27 #include "udev.h"
  28 #include "list.h"
  29
  30
  31 #define KEY_KERNEL              "KERNEL"
  32 #define KEY_SUBSYSTEM           "SUBSYSTEM"
  33 #define KEY_ACTION              "ACTION"
  34 #define KEY_BUS                 "BUS"
  35 #define KEY_ID                  "ID"
  36 #define KEY_PROGRAM             "PROGRAM"
  37 #define KEY_RESULT              "RESULT"
  38 #define KEY_DRIVER              "DRIVER"
  39 #define KEY_SYSFS               "SYSFS"
  40 #define KEY_ENV                 "ENV"
  41 #define KEY_NAME                "NAME"
  42 #define KEY_SYMLINK             "SYMLINK"
  43 #define KEY_OWNER               "OWNER"
  44 #define KEY_GROUP               "GROUP"
  45 #define KEY_MODE                "MODE"
  46 #define KEY_RUN                 "RUN"
  47 #define KEY_OPTIONS             "OPTIONS"
  48
  49 #define OPTION_LAST_RULE        "last_rule"
  50 #define OPTION_IGNORE_DEVICE    "ignore_device"
  51 #define OPTION_IGNORE_REMOVE    "ignore_remove"
  52 #define OPTION_PARTITIONS       "all_partitions"
  53
  54 #define KEY_SYSFS_PAIRS_MAX     5
  55 #define KEY_ENV_PAIRS_MAX       5
  56
  57 #define RULEFILE_SUFFIX         ".rules"
  58
  59 enum key_operation {
  60         KEY_OP_UNSET,
  61         KEY_OP_MATCH,
  62         KEY_OP_NOMATCH,
  63         KEY_OP_ADD,
  64         KEY_OP_ASSIGN,
  65 };
  66
  67 struct key_pair {
  68         char name[NAME_SIZE];
  69         char value[VALUE_SIZE];
  70         enum key_operation operation;
  71 };
  72
  73 struct udev_rule {
  74         struct list_head node;
  75
  76         char kernel[NAME_SIZE];
  77         enum key_operation kernel_operation;
  78         char subsystem[NAME_SIZE];
  79         enum key_operation subsystem_operation;
  80         char action[NAME_SIZE];
  81         enum key_operation action_operation;
  82         char bus[NAME_SIZE];
  83         enum key_operation bus_operation;
  84         char id[NAME_SIZE];
  85         enum key_operation id_operation;
  86         char driver[NAME_SIZE];
  87         enum key_operation driver_operation;
  88         char program[PATH_SIZE];
  89         enum key_operation program_operation;
  90         char result[PATH_SIZE];
  91         enum key_operation result_operation;
  92         struct key_pair sysfs_pair[KEY_SYSFS_PAIRS_MAX];
  93         int sysfs_pair_count;
  94         struct key_pair env_pair[KEY_ENV_PAIRS_MAX];
  95         int env_pair_count;
  96
  97         char name[PATH_SIZE];
  98         char symlink[PATH_SIZE];
  99         char owner[USER_SIZE];
 100         char group[USER_SIZE];
 101         mode_t mode;
 102         char run[PATH_SIZE];
 103
 104         int last_rule;
 105         int ignore_device;
 106         int ignore_remove;
 107         int partitions;
 108
 109         char config_file[PATH_SIZE];
 110         int config_line;
 111 };
 112
 113 extern struct list_head udev_rule_list;
 114
 115 extern int udev_rules_init(void);
 116 extern int udev_rules_get_name(struct udevice *udev, struct sysfs_class_device *class_dev);
 117 extern int udev_rules_get_run(struct udevice *udev);
 118 extern void udev_rules_close(void);
 119
 120 #endif