hmcdrv_mod.c
1.16 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
/*
* HMC Drive DVD Module
*
* Copyright IBM Corp. 2013
* Author(s): Ralf Hoppe (rhoppe@de.ibm.com)
*/
#define KMSG_COMPONENT "hmcdrv"
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/stat.h>
#include "hmcdrv_ftp.h"
#include "hmcdrv_dev.h"
#include "hmcdrv_cache.h"
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Copyright 2013 IBM Corporation");
MODULE_DESCRIPTION("HMC drive DVD access");
/*
* module parameter 'cachesize'
*/
static size_t hmcdrv_mod_cachesize = HMCDRV_CACHE_SIZE_DFLT;
module_param_named(cachesize, hmcdrv_mod_cachesize, ulong, S_IRUGO);
/**
* hmcdrv_mod_init() - module init function
*/
static int __init hmcdrv_mod_init(void)
{
int rc = hmcdrv_ftp_probe(); /* perform w/o cache */
if (rc)
return rc;
rc = hmcdrv_cache_startup(hmcdrv_mod_cachesize);
if (rc)
return rc;
rc = hmcdrv_dev_init();
if (rc)
hmcdrv_cache_shutdown();
return rc;
}
/**
* hmcdrv_mod_exit() - module exit function
*/
static void __exit hmcdrv_mod_exit(void)
{
hmcdrv_dev_exit();
hmcdrv_cache_shutdown();
}
module_init(hmcdrv_mod_init);
module_exit(hmcdrv_mod_exit);