hyperv/utils: Code rearrange and cleanup

Split heartbeat, shutdown and timesync out of utils code
and name them properly.

Submitted by:	Jun Su <junsu microsoft com>
Reviewed by:	adrian, sephe, Hongjiang Zhang <honzhan microsoft com>
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5216

1 files changed, 55 insertions, 0 deletions

diff --git a/sys/dev/hyperv/utilities/hv_util.h b/sys/dev/hyperv/utilities/hv_util.h
new file mode 100644
index 0000000..708dca8
--- /dev/null
+++ b/sys/dev/hyperv/utilities/hv_util.h
@@ -0,0 +1,55 @@
+/*-
+ * Copyright (c) 2009-2012 Microsoft Corp.
+ * Copyright (c) 2012 NetApp Inc.
+ * Copyright (c) 2012 Citrix Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice unmodified, this list of conditions, and the following
+ *    disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _HVUTIL_H_
+#define _HVUTIL_H_
+
+/**
+ * hv_util related structures
+ *
+ */
+typedef struct hv_util_sc {
+	/*
+	 * function to process Hyper-V messages
+	 */
+	void (*callback)(void *);
+
+	struct hv_device*	hv_dev;
+	uint8_t			*receive_buffer;
+} hv_util_sc;
+
+void hv_negotiate_version(
+	struct hv_vmbus_icmsg_hdr*		icmsghdrp,
+	struct hv_vmbus_icmsg_negotiate*	negop,
+	uint8_t*				buf);
+
+int hv_util_attach(device_t dev);
+int hv_util_detach(device_t dev);
+#endif