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_DEVPATH             "DEVPATH"
  35 #define KEY_BUS                 "BUS"
  36 #define KEY_ID                  "ID"
  37 #define KEY_PROGRAM             "PROGRAM"
  38 #define KEY_RESULT              "RESULT"
  39 #define KEY_DRIVER              "DRIVER"
  40 #define KEY_SYSFS               "SYSFS"
  41 #define KEY_ENV                 "ENV"
  42 #define KEY_MODALIAS            "MODALIAS"
  43 #define KEY_IMPORT              "IMPORT"
  44 #define KEY_NAME                "NAME"
  45 #define KEY_SYMLINK             "SYMLINK"
  46 #define KEY_OWNER               "OWNER"
  47 #define KEY_GROUP               "GROUP"
  48 #define KEY_MODE                "MODE"
  49 #define KEY_RUN                 "RUN"
  50 #define KEY_OPTIONS             "OPTIONS"
  51
  52 #define OPTION_LAST_RULE        "last_rule"
  53 #define OPTION_IGNORE_DEVICE    "ignore_device"
  54 #define OPTION_IGNORE_REMOVE    "ignore_remove"
  55 #define OPTION_PARTITIONS       "all_partitions"
  56
  57 #define KEY_SYSFS_PAIRS_MAX     5
  58 #define KEY_ENV_PAIRS_MAX       5
  59
  60 #define RULEFILE_SUFFIX         ".rules"
  61
  62 enum key_operation {
  63         KEY_OP_UNSET,
  64         KEY_OP_MATCH,
  65         KEY_OP_NOMATCH,
  66         KEY_OP_ADD,
  67         KEY_OP_ASSIGN,
  68         KEY_OP_ASSIGN_FINAL,
  69 };
  70
  71 struct key_pair {
  72         char name[NAME_SIZE];
  73         char value[VALUE_SIZE];
  74         enum key_operation operation;
  75 };
  76
  77 struct udev_rule {
  78         struct list_head node;
  79
  80         char kernel[NAME_SIZE];
  81         enum key_operation kernel_operation;
  82         char subsystem[NAME_SIZE];
  83         enum key_operation subsystem_operation;
  84         char action[NAME_SIZE];
  85         enum key_operation action_operation;
  86         char devpath[PATH_SIZE];
  87         enum key_operation devpath_operation;
  88         char bus[NAME_SIZE];
  89         enum key_operation bus_operation;
  90         char id[NAME_SIZE];
  91         enum key_operation id_operation;
  92         char driver[NAME_SIZE];
  93         enum key_operation driver_operation;
  94         char program[PATH_SIZE];
  95         enum key_operation program_operation;
  96         char result[PATH_SIZE];
  97         enum key_operation result_operation;
  98         struct key_pair sysfs_pair[KEY_SYSFS_PAIRS_MAX];
  99         int sysfs_pair_count;
 100         struct key_pair env_pair[KEY_ENV_PAIRS_MAX];
 101         int env_pair_count;
 102         char modalias[NAME_SIZE];
 103         enum key_operation modalias_operation;
 104         char import[PATH_SIZE];
 105         enum key_operation import_operation;
 106         int import_exec;
 107
 108         char name[PATH_SIZE];
 109         enum key_operation name_operation;
 110         char symlink[PATH_SIZE];
 111         enum key_operation symlink_operation;
 112         char owner[USER_SIZE];
 113         enum key_operation owner_operation;
 114         char group[USER_SIZE];
 115         enum key_operation group_operation;
 116         mode_t mode;
 117         enum key_operation mode_operation;
 118         char run[PATH_SIZE];
 119         enum key_operation run_operation;
 120
 121         int last_rule;
 122         int ignore_device;
 123         int ignore_remove;
 124         int partitions;
 125
 126         char config_file[PATH_SIZE];
 127         int config_line;
 128 };
 129
 130 extern int udev_rules_init(void);
 131 extern void udev_rules_close(void);
 132
 133 extern int udev_rules_iter_init(void);
 134 extern struct udev_rule *udev_rules_iter_next(void);
 135
 136 extern int udev_rules_get_name(struct udevice *udev, struct sysfs_class_device *class_dev);
 137 extern int udev_rules_get_run(struct udevice *udev, struct sysfs_device *sysfs_device);
 138
 139 #endif