Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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 0000000000..6238c4c87c
--- /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);
+