1// SPDX-License-Identifier: GPL-2.0
2/*
3 *    HMC Drive DVD Module
4 *
5 *    Copyright IBM Corp. 2013
6 *    Author(s): Ralf Hoppe (rhoppe@de.ibm.com)
7 */
8
9#define KMSG_COMPONENT "hmcdrv"
10#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
11
12#include <linux/kernel.h>
13#include <linux/module.h>
14#include <linux/moduleparam.h>
15#include <linux/stat.h>
16
17#include "hmcdrv_ftp.h"
18#include "hmcdrv_dev.h"
19#include "hmcdrv_cache.h"
20
21MODULE_LICENSE("GPL");
22MODULE_AUTHOR("Copyright 2013 IBM Corporation");
23MODULE_DESCRIPTION("HMC drive DVD access");
24
25/*
26 * module parameter 'cachesize'
27 */
28static size_t hmcdrv_mod_cachesize = HMCDRV_CACHE_SIZE_DFLT;
29module_param_named(cachesize, hmcdrv_mod_cachesize, ulong, S_IRUGO);
30
31/**
32 * hmcdrv_mod_init() - module init function
33 */
34static int __init hmcdrv_mod_init(void)
35{
36	int rc = hmcdrv_ftp_probe(); /* perform w/o cache */
37
38	if (rc)
39		return rc;
40
41	rc = hmcdrv_cache_startup(hmcdrv_mod_cachesize);
42
43	if (rc)
44		return rc;
45
46	rc = hmcdrv_dev_init();
47
48	if (rc)
49		hmcdrv_cache_shutdown();
50
51	return rc;
52}
53
54/**
55 * hmcdrv_mod_exit() - module exit function
56 */
57static void __exit hmcdrv_mod_exit(void)
58{
59	hmcdrv_dev_exit();
60	hmcdrv_cache_shutdown();
61}
62
63module_init(hmcdrv_mod_init);
64module_exit(hmcdrv_mod_exit);
65