cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

aoemain.c (1825B)

      1/* Copyright (c) 2012 Coraid, Inc.  See COPYING for GPL terms. */
      2/*
      3 * aoemain.c
      4 * Module initialization routines, discover timer
      5 */
      6
      7#include <linux/hdreg.h>
      8#include <linux/blkdev.h>
      9#include <linux/module.h>
     10#include <linux/skbuff.h>
     11#include "aoe.h"
     12
     13MODULE_LICENSE("GPL");
     14MODULE_AUTHOR("Sam Hopkins <sah@coraid.com>");
     15MODULE_DESCRIPTION("AoE block/char driver for 2.6.2 and newer 2.6 kernels");
     16MODULE_VERSION(VERSION);
     17
     18static struct timer_list timer;
     19struct workqueue_struct *aoe_wq;
     20
     21static void discover_timer(struct timer_list *t)
     22{
     23	mod_timer(t, jiffies + HZ * 60); /* one minute */
     24
     25	aoecmd_cfg(0xffff, 0xff);
     26}
     27
     28static void __exit
     29aoe_exit(void)
     30{
     31	del_timer_sync(&timer);
     32
     33	aoenet_exit();
     34	unregister_blkdev(AOE_MAJOR, DEVICE_NAME);
     35	aoecmd_exit();
     36	aoechr_exit();
     37	aoedev_exit();
     38	aoeblk_exit();		/* free cache after de-allocating bufs */
     39	destroy_workqueue(aoe_wq);
     40}
     41
     42static int __init
     43aoe_init(void)
     44{
     45	int ret;
     46
     47	aoe_wq = alloc_workqueue("aoe_wq", 0, 0);
     48	if (!aoe_wq)
     49		return -ENOMEM;
     50
     51	ret = aoedev_init();
     52	if (ret)
     53		goto dev_fail;
     54	ret = aoechr_init();
     55	if (ret)
     56		goto chr_fail;
     57	ret = aoeblk_init();
     58	if (ret)
     59		goto blk_fail;
     60	ret = aoenet_init();
     61	if (ret)
     62		goto net_fail;
     63	ret = aoecmd_init();
     64	if (ret)
     65		goto cmd_fail;
     66	ret = register_blkdev(AOE_MAJOR, DEVICE_NAME);
     67	if (ret < 0) {
     68		printk(KERN_ERR "aoe: can't register major\n");
     69		goto blkreg_fail;
     70	}
     71	printk(KERN_INFO "aoe: AoE v%s initialised.\n", VERSION);
     72
     73	timer_setup(&timer, discover_timer, 0);
     74	discover_timer(&timer);
     75	return 0;
     76 blkreg_fail:
     77	aoecmd_exit();
     78 cmd_fail:
     79	aoenet_exit();
     80 net_fail:
     81	aoeblk_exit();
     82 blk_fail:
     83	aoechr_exit();
     84 chr_fail:
     85	aoedev_exit();
     86 dev_fail:
     87	destroy_workqueue(aoe_wq);
     88
     89	printk(KERN_INFO "aoe: initialisation failure.\n");
     90	return ret;
     91}
     92
     93module_init(aoe_init);
     94module_exit(aoe_exit);
     95