1 files changed, 93 insertions, 0 deletions
diff --git a/drivers/block/aoe/aoemain.c b/drivers/block/aoe/aoemain.c
new file mode 100644
index 00000000000000..3d42f764952859
--- /dev/null
+++ b/drivers/block/aoe/aoemain.c
@@ -0,0 +1,93 @@
+/* Copyright (c) 2004 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 "aoe.h"
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Sam Hopkins <sah@coraid.com>");
+MODULE_DESCRIPTION("AoE block/char driver for 2.6.[0-9]+");
+MODULE_VERSION(VERSION);
+
+enum { TINIT, TRUN, TKILL };
+
+static void
+discover_timer(ulong vp)
+{
+	static struct timer_list t;
+	static volatile ulong die;
+	static spinlock_t lock;
+	ulong flags;
+	enum { DTIMERTICK = HZ * 60 }; /* one minute */
+
+	switch (vp) {
+	case TINIT:
+		init_timer(&t);
+		spin_lock_init(&lock);
+		t.data = TRUN;
+		t.function = discover_timer;
+		die = 0;
+	case TRUN:
+		spin_lock_irqsave(&lock, flags);
+		if (!die) {
+			t.expires = jiffies + DTIMERTICK;
+			add_timer(&t);
+		}
+		spin_unlock_irqrestore(&lock, flags);
+
+		aoecmd_cfg(0xffff, 0xff);
+		return;
+	case TKILL:
+		spin_lock_irqsave(&lock, flags);
+		die = 1;
+		spin_unlock_irqrestore(&lock, flags);
+
+		del_timer_sync(&t);
+	default:
+		return;
+	}
+}
+
+static void __exit
+aoe_exit(void)
+{
+	discover_timer(TKILL);
+
+	aoenet_exit();
+	aoeblk_exit();
+	aoechr_exit();
+	aoedev_exit();
+}
+
+static int __init
+aoe_init(void)
+{
+	int n, (**p)(void);
+	int (*fns[])(void) = {
+		aoedev_init, aoechr_init, aoeblk_init, aoenet_init, NULL
+	};
+
+	for (p=fns; *p != NULL; p++) {
+		n = (*p)();
+		if (n) {
+			aoe_exit();
+			printk(KERN_INFO "aoe: aoe_init: initialisation failure.\n");
+			return n;
+		}
+	}
+	printk(KERN_INFO
+	       "aoe: aoe_init: AoE v2.6-%s initialised.\n",
+	       VERSION);
+
+	discover_timer(TINIT);
+	return 0;
+}
+
+module_init(aoe_init);
+module_exit(aoe_exit);
+