drivers/s390/crypto/zcrypt_mono.c

   1 /*
   2  *  linux/drivers/s390/crypto/zcrypt_mono.c
   3  *
   4  *  zcrypt 2.1.0
   5  *
   6  *  Copyright (C)  2001, 2006 IBM Corporation
   7  *  Author(s): Robert Burroughs
   8  *             Eric Rossman (edrossma@us.ibm.com)
   9  *
  10  *  Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
  11  *  Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
  12  *
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation; either version 2, or (at your option)
  16  * any later version.
  17  *
  18  * This program is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  21  * GNU General Public License for more details.
  22  *
  23  * You should have received a copy of the GNU General Public License
  24  * along with this program; if not, write to the Free Software
  25  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  26  */
  27
  28 #include <linux/module.h>
  29 #include <linux/init.h>
  30 #include <linux/interrupt.h>
  31 #include <linux/miscdevice.h>
  32 #include <linux/fs.h>
  33 #include <linux/proc_fs.h>
  34 #include <linux/compat.h>
  35 #include <asm/atomic.h>
  36 #include <asm/uaccess.h>
  37
  38 #include "ap_bus.h"
  39 #include "zcrypt_api.h"
  40 #include "zcrypt_pcica.h"
  41 #include "zcrypt_pcicc.h"
  42 #include "zcrypt_pcixcc.h"
  43 #include "zcrypt_cex2a.h"
  44
  45 /**
  46  * The module initialization code.
  47  */
  48 static int __init zcrypt_init(void)
  49 {
  50         int rc;
  51
  52         rc = ap_module_init();
  53         if (rc)
  54                 goto out;
  55         rc = zcrypt_api_init();
  56         if (rc)
  57                 goto out_ap;
  58         rc = zcrypt_pcica_init();
  59         if (rc)
  60                 goto out_api;
  61         rc = zcrypt_pcicc_init();
  62         if (rc)
  63                 goto out_pcica;
  64         rc = zcrypt_pcixcc_init();
  65         if (rc)
  66                 goto out_pcicc;
  67         rc = zcrypt_cex2a_init();
  68         if (rc)
  69                 goto out_pcixcc;
  70         return 0;
  71
  72 out_pcixcc:
  73         zcrypt_pcixcc_exit();
  74 out_pcicc:
  75         zcrypt_pcicc_exit();
  76 out_pcica:
  77         zcrypt_pcica_exit();
  78 out_api:
  79         zcrypt_api_exit();
  80 out_ap:
  81         ap_module_exit();
  82 out:
  83         return rc;
  84 }
  85
  86 /**
  87  * The module termination code.
  88  */
  89 static void __exit zcrypt_exit(void)
  90 {
  91         zcrypt_cex2a_exit();
  92         zcrypt_pcixcc_exit();
  93         zcrypt_pcicc_exit();
  94         zcrypt_pcica_exit();
  95         zcrypt_api_exit();
  96         ap_module_exit();
  97 }
  98
  99 module_init(zcrypt_init);
 100 module_exit(zcrypt_exit);