release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/message/i2o/config-osm.c

   1 /*
   2  *      Configuration OSM
   3  *
   4  *      Copyright (C) 2005      Markus Lidel <Markus.Lidel@shadowconnect.com>
   5  *
   6  *      This program is free software; you can redistribute it and/or modify it
   7  *      under the terms of the GNU General Public License as published by the
   8  *      Free Software Foundation; either version 2 of the License, or (at your
   9  *      option) any later version.
  10  *
  11  *      Fixes/additions:
  12  *              Markus Lidel <Markus.Lidel@shadowconnect.com>
  13  *                      initial version.
  14  */
  15
  16 #include <linux/module.h>
  17 #include <linux/i2o.h>
  18 #include <linux/dcache.h>
  19 #include <linux/namei.h>
  20 #include <linux/fs.h>
  21
  22 #include <asm/uaccess.h>
  23
  24 #define OSM_NAME        "config-osm"
  25 #define OSM_VERSION     "1.323"
  26 #define OSM_DESCRIPTION "I2O Configuration OSM"
  27
  28 /* access mode user rw */
  29 #define S_IWRSR (S_IRUSR | S_IWUSR)
  30
  31 static struct i2o_driver i2o_config_driver;
  32
  33 /* Config OSM driver struct */
  34 static struct i2o_driver i2o_config_driver = {
  35         .name = OSM_NAME,
  36 };
  37
  38 #ifdef CONFIG_I2O_CONFIG_OLD_IOCTL
  39 #include "i2o_config.c"
  40 #endif
  41
  42 /**
  43  *      i2o_config_init - Configuration OSM initialization function
  44  *
  45  *      Registers Configuration OSM in the I2O core and if old ioctl's are
  46  *      compiled in initialize them.
  47  *
  48  *      Returns 0 on success or negative error code on failure.
  49  */
  50 static int __init i2o_config_init(void)
  51 {
  52         printk(KERN_INFO OSM_DESCRIPTION " v" OSM_VERSION "\n");
  53
  54         if (i2o_driver_register(&i2o_config_driver)) {
  55                 osm_err("handler register failed.\n");
  56                 return -EBUSY;
  57         }
  58 #ifdef CONFIG_I2O_CONFIG_OLD_IOCTL
  59         if (i2o_config_old_init()) {
  60                 osm_err("old config handler initialization failed\n");
  61                 i2o_driver_unregister(&i2o_config_driver);
  62                 return -EBUSY;
  63         }
  64 #endif
  65
  66         return 0;
  67 }
  68
  69 /**
  70  *      i2o_config_exit - Configuration OSM exit function
  71  *
  72  *      If old ioctl's are compiled in exit remove them and unregisters
  73  *      Configuration OSM from I2O core.
  74  */
  75 static void i2o_config_exit(void)
  76 {
  77 #ifdef CONFIG_I2O_CONFIG_OLD_IOCTL
  78         i2o_config_old_exit();
  79 #endif
  80
  81         i2o_driver_unregister(&i2o_config_driver);
  82 }
  83
  84 MODULE_AUTHOR("Markus Lidel <Markus.Lidel@shadowconnect.com>");
  85 MODULE_LICENSE("GPL");
  86 MODULE_DESCRIPTION(OSM_DESCRIPTION);
  87 MODULE_VERSION(OSM_VERSION);
  88
  89 module_init(i2o_config_init);
  90 module_exit(i2o_config_exit);