namedev.h

   1 /*
   2  * namedev.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 NAMEDEV_H
  24 #define NAMEDEV_H
  25
  26 #include "udev.h"
  27 #include "list.h"
  28
  29 struct sysfs_class_device;
  30
  31 #define BUS_SIZE                30
  32 #define FILE_SIZE               50
  33 #define VALUE_SIZE              100
  34 #define ID_SIZE                 50
  35 #define PLACE_SIZE              50
  36 #define PROGRAM_SIZE            100
  37
  38 #define FIELD_BUS               "BUS"
  39 #define FIELD_SYSFS             "SYSFS"
  40 #define FIELD_ID                "ID"
  41 #define FIELD_PLACE             "PLACE"
  42 #define FIELD_PROGRAM           "PROGRAM"
  43 #define FIELD_RESULT            "RESULT"
  44 #define FIELD_KERNEL            "KERNEL"
  45 #define FIELD_NAME              "NAME"
  46 #define FIELD_SYMLINK           "SYMLINK"
  47 #define FIELD_OWNER             "OWNER"
  48 #define FIELD_GROUP             "GROUP"
  49 #define FIELD_MODE              "MODE"
  50
  51 #define ATTR_PARTITIONS         "all_partitions"
  52 #define PARTITIONS_COUNT        15
  53
  54 #define MAX_SYSFS_PAIRS         5
  55
  56 #define RULEFILE_SUFFIX         ".rules"
  57 #define PERMFILE_SUFFIX         ".permissions"
  58
  59 #define set_empty_perms(dev, m, o, g)           \
  60         if (dev->mode == 0)                     \
  61                 dev->mode = m;                  \
  62         if (dev->owner[0] == '\0')              \
  63                 strfieldcpy(dev->owner, o);     \
  64         if (dev->group[0] == '\0')              \
  65                 strfieldcpy(dev->group, g);
  66
  67 struct sysfs_pair {
  68         char file[FILE_SIZE];
  69         char value[VALUE_SIZE];
  70 };
  71
  72 struct config_device {
  73         struct list_head node;
  74
  75         char bus[BUS_SIZE];
  76         char id[ID_SIZE];
  77         char place[PLACE_SIZE];
  78         char kernel[NAME_SIZE];
  79         char program[PROGRAM_SIZE];
  80         char result[PROGRAM_SIZE];
  81         char name[NAME_SIZE];
  82         char symlink[NAME_SIZE];
  83         struct sysfs_pair sysfs_pair[MAX_SYSFS_PAIRS];
  84         char owner[OWNER_SIZE];
  85         char group[GROUP_SIZE];
  86         unsigned int mode;
  87         int partitions;
  88         char config_file[NAME_SIZE];
  89         int config_line;
  90 };
  91
  92 struct perm_device {
  93         struct list_head node;
  94
  95         char name[NAME_SIZE];
  96         char owner[OWNER_SIZE];
  97         char group[GROUP_SIZE];
  98         unsigned int mode;
  99 };
 100
 101 extern struct list_head config_device_list;
 102 extern struct list_head perm_device_list;
 103
 104 extern int namedev_init(void);
 105 extern int namedev_name_device(struct udevice *udev, struct sysfs_class_device *class_dev);
 106 extern int namedev_init_permissions(void);
 107 extern int namedev_init_rules(void);
 108
 109 extern void dump_config_dev(struct config_device *dev);
 110 extern void dump_config_dev_list(void);
 111 extern void dump_perm_dev(struct perm_device *dev);
 112 extern void dump_perm_dev_list(void);
 113
 114 #endif