namedev.h

   1 /*
   2  * namedev.h
   3  *
   4  * Userspace devfs
   5  *
   6  * Copyright (C) 2003 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 NAMEDEV_H
  24 #define NAMEDEV_H
  25
  26 #include "udev.h"
  27 #include "list.h"
  28
  29 struct sysfs_class_device;
  30
  31
  32 enum config_type {
  33         KERNEL_NAME     = 0,    /* must be 0 to let memset() default to this value */
  34         LABEL           = 1,
  35         NUMBER          = 2,
  36         TOPOLOGY        = 3,
  37         REPLACE         = 4,
  38         CALLOUT         = 5,
  39         IGNORE          = 6,
  40 };
  41
  42 #define BUS_SIZE        30
  43 #define FILE_SIZE       50
  44 #define VALUE_SIZE      100
  45 #define ID_SIZE         50
  46 #define PLACE_SIZE      50
  47 #define PROGRAM_SIZE    100
  48
  49 #define TYPE_LABEL      "LABEL"
  50 #define TYPE_NUMBER     "NUMBER"
  51 #define TYPE_TOPOLOGY   "TOPOLOGY"
  52 #define TYPE_REPLACE    "REPLACE"
  53 #define TYPE_CALLOUT    "CALLOUT"
  54 #define TYPE_IGNORE     "IGNORE"
  55
  56 #define FIELD_BUS       "BUS"
  57 #define FIELD_ID        "ID"
  58 #define FIELD_SYSFS     "SYSFS_"
  59 #define FIELD_PLACE     "PLACE"
  60 #define FIELD_PROGRAM   "PROGRAM"
  61 #define FIELD_KERNEL    "KERNEL"
  62 #define FIELD_NAME      "NAME"
  63 #define FIELD_SYMLINK   "SYMLINK"
  64
  65 #define CALLOUT_MAXARG  8
  66 #define MAX_SYSFS_PAIRS 5
  67
  68 struct sysfs_pair {
  69         char file[FILE_SIZE];
  70         char value[VALUE_SIZE];
  71 };
  72
  73 struct config_device {
  74         struct list_head node;
  75
  76         enum config_type type;
  77         char bus[BUS_SIZE];
  78         char id[ID_SIZE];
  79         char place[PLACE_SIZE];
  80         char kernel_name[NAME_SIZE];
  81         char exec_program[PROGRAM_SIZE];
  82         char name[NAME_SIZE];
  83         char symlink[NAME_SIZE];
  84         struct sysfs_pair sysfs_pair[MAX_SYSFS_PAIRS];
  85 };
  86
  87 struct perm_device {
  88         struct list_head node;
  89
  90         char name[NAME_SIZE];
  91         char owner[OWNER_SIZE];
  92         char group[GROUP_SIZE];
  93         mode_t mode;
  94 };
  95
  96 extern struct list_head config_device_list;
  97 extern struct list_head perm_device_list;
  98
  99 extern int namedev_init(void);
 100 extern int namedev_name_device(struct sysfs_class_device *class_dev, struct udevice *dev);
 101 extern int namedev_init_permissions(void);
 102 extern int namedev_init_rules(void);
 103
 104 extern int add_perm_dev(struct perm_device *new_dev);
 105 extern void dump_config_dev(struct config_device *dev);
 106 extern void dump_config_dev_list(void);
 107 extern void dump_perm_dev(struct perm_device *dev);
 108 extern void dump_perm_dev_list(void);
 109
 110 extern int get_pair(char **orig_string, char **left, char **right);
 111
 112 #endif