mirror of
https://github.com/torvalds/linux.git
synced 2024-11-06 12:11:59 +00:00
8f933b1043
This device driver allows accessing a HMC drive CD/DVD-ROM. It can be used in a LPAR and z/VM environment. Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Ralf Hoppe <rhoppe@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
65 lines
1.2 KiB
C
65 lines
1.2 KiB
C
/*
|
|
* 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/version.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);
|