forked from Minki/linux
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
/*
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* HMC Drive DVD Module
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*
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* Copyright IBM Corp. 2013
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* Author(s): Ralf Hoppe (rhoppe@de.ibm.com)
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*/
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#define KMSG_COMPONENT "hmcdrv"
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#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/version.h>
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#include <linux/stat.h>
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#include "hmcdrv_ftp.h"
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#include "hmcdrv_dev.h"
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#include "hmcdrv_cache.h"
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Copyright 2013 IBM Corporation");
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MODULE_DESCRIPTION("HMC drive DVD access");
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/*
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* module parameter 'cachesize'
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*/
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static size_t hmcdrv_mod_cachesize = HMCDRV_CACHE_SIZE_DFLT;
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module_param_named(cachesize, hmcdrv_mod_cachesize, ulong, S_IRUGO);
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/**
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* hmcdrv_mod_init() - module init function
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*/
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static int __init hmcdrv_mod_init(void)
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{
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int rc = hmcdrv_ftp_probe(); /* perform w/o cache */
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if (rc)
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return rc;
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rc = hmcdrv_cache_startup(hmcdrv_mod_cachesize);
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if (rc)
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return rc;
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rc = hmcdrv_dev_init();
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if (rc)
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hmcdrv_cache_shutdown();
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return rc;
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}
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/**
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* hmcdrv_mod_exit() - module exit function
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*/
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static void __exit hmcdrv_mod_exit(void)
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{
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hmcdrv_dev_exit();
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hmcdrv_cache_shutdown();
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}
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module_init(hmcdrv_mod_init);
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module_exit(hmcdrv_mod_exit);
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