1/*
2 *    HMC Drive DVD Module
3 *
4 *    Copyright IBM Corp. 2013
5 *    Author(s): Ralf Hoppe (rhoppe@de.ibm.com)
6 */
7
8#define KMSG_COMPONENT "hmcdrv"
9#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
10
11#include <linux/kernel.h>
12#include <linux/module.h>
13#include <linux/moduleparam.h>
14#include <linux/stat.h>
15
16#include "hmcdrv_ftp.h"
17#include "hmcdrv_dev.h"
18#include "hmcdrv_cache.h"
19
20MODULE_LICENSE("GPL");
21MODULE_AUTHOR("Copyright 2013 IBM Corporation");
22MODULE_DESCRIPTION("HMC drive DVD access");
23
24/*
25 * module parameter 'cachesize'
26 */
27static size_t hmcdrv_mod_cachesize = HMCDRV_CACHE_SIZE_DFLT;
28module_param_named(cachesize, hmcdrv_mod_cachesize, ulong, S_IRUGO);
29
30/**
31 * hmcdrv_mod_init() - module init function
32 */
33static int __init hmcdrv_mod_init(void)
34{
35	int rc = hmcdrv_ftp_probe(); /* perform w/o cache */
36
37	if (rc)
38		return rc;
39
40	rc = hmcdrv_cache_startup(hmcdrv_mod_cachesize);
41
42	if (rc)
43		return rc;
44
45	rc = hmcdrv_dev_init();
46
47	if (rc)
48		hmcdrv_cache_shutdown();
49
50	return rc;
51}
52
53/**
54 * hmcdrv_mod_exit() - module exit function
55 */
56static void __exit hmcdrv_mod_exit(void)
57{
58	hmcdrv_dev_exit();
59	hmcdrv_cache_shutdown();
60}
61
62module_init(hmcdrv_mod_init);
63module_exit(hmcdrv_mod_exit);
64