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-rw-r--r--drivers/block/aoe/aoemain.c95
1 files changed, 95 insertions, 0 deletions
diff --git a/drivers/block/aoe/aoemain.c b/drivers/block/aoe/aoemain.c
new file mode 100644
index 000000000..6238c4c87
--- /dev/null
+++ b/drivers/block/aoe/aoemain.c
@@ -0,0 +1,95 @@
+/* Copyright (c) 2012 Coraid, Inc. See COPYING for GPL terms. */
+/*
+ * aoemain.c
+ * Module initialization routines, discover timer
+ */
+
+#include <linux/hdreg.h>
+#include <linux/blkdev.h>
+#include <linux/module.h>
+#include <linux/skbuff.h>
+#include "aoe.h"
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Sam Hopkins <sah@coraid.com>");
+MODULE_DESCRIPTION("AoE block/char driver for 2.6.2 and newer 2.6 kernels");
+MODULE_VERSION(VERSION);
+
+static struct timer_list timer;
+struct workqueue_struct *aoe_wq;
+
+static void discover_timer(struct timer_list *t)
+{
+ mod_timer(t, jiffies + HZ * 60); /* one minute */
+
+ aoecmd_cfg(0xffff, 0xff);
+}
+
+static void __exit
+aoe_exit(void)
+{
+ del_timer_sync(&timer);
+
+ aoenet_exit();
+ unregister_blkdev(AOE_MAJOR, DEVICE_NAME);
+ aoecmd_exit();
+ aoechr_exit();
+ aoedev_exit();
+ aoeblk_exit(); /* free cache after de-allocating bufs */
+ destroy_workqueue(aoe_wq);
+}
+
+static int __init
+aoe_init(void)
+{
+ int ret;
+
+ aoe_wq = alloc_workqueue("aoe_wq", 0, 0);
+ if (!aoe_wq)
+ return -ENOMEM;
+
+ ret = aoedev_init();
+ if (ret)
+ goto dev_fail;
+ ret = aoechr_init();
+ if (ret)
+ goto chr_fail;
+ ret = aoeblk_init();
+ if (ret)
+ goto blk_fail;
+ ret = aoenet_init();
+ if (ret)
+ goto net_fail;
+ ret = aoecmd_init();
+ if (ret)
+ goto cmd_fail;
+ ret = register_blkdev(AOE_MAJOR, DEVICE_NAME);
+ if (ret < 0) {
+ printk(KERN_ERR "aoe: can't register major\n");
+ goto blkreg_fail;
+ }
+ printk(KERN_INFO "aoe: AoE v%s initialised.\n", VERSION);
+
+ timer_setup(&timer, discover_timer, 0);
+ discover_timer(&timer);
+ return 0;
+ blkreg_fail:
+ aoecmd_exit();
+ cmd_fail:
+ aoenet_exit();
+ net_fail:
+ aoeblk_exit();
+ blk_fail:
+ aoechr_exit();
+ chr_fail:
+ aoedev_exit();
+ dev_fail:
+ destroy_workqueue(aoe_wq);
+
+ printk(KERN_INFO "aoe: initialisation failure.\n");
+ return ret;
+}
+
+module_init(aoe_init);
+module_exit(aoe_exit);
+