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 21 MODULE_LICENSE("GPL"); 22 MODULE_AUTHOR("Copyright 2013 IBM Corporation"); 23 MODULE_DESCRIPTION("HMC drive DVD access"); 24 25 /* 26 * module parameter 'cachesize' 27 */ 28 static size_t hmcdrv_mod_cachesize = HMCDRV_CACHE_SIZE_DFLT; 29 module_param_named(cachesize, hmcdrv_mod_cachesize, ulong, S_IRUGO); 30 31 /** 32 * hmcdrv_mod_init() - module init function 33 */ 34 static 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 */ 57 static void __exit hmcdrv_mod_exit(void) 58 { 59 hmcdrv_dev_exit(); 60 hmcdrv_cache_shutdown(); 61 } 62 63 module_init(hmcdrv_mod_init); 64 module_exit(hmcdrv_mod_exit); 65