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  */
i2o_config_init(void)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  */
i2o_config_exit(void)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);
91