Microsoft Azure Network Adapter(MANA) VF support

MANA is the new network adapter from Microsoft which will be available
in Azure public cloud. It provides SRIOV NIC as virtual function to
guest OS running on Hyper-V.

The code can be divided into two major parts. Gdma_main.c is the one to
bring up the hardware board and drives all underlying hardware queue
infrastructure. Mana_en.c contains all main ethernet driver code.
It has only tested and supported on amd64 architecture.

PR:		256336
Reviewed by:	decui@microsoft.com
Tested by:	whu
MFC after:	2 week
Relnotes:	yes
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D31150

1 files changed, 48 insertions, 0 deletions

diff --git a/sys/dev/mana/mana_sysctl.h b/sys/dev/mana/mana_sysctl.h
new file mode 100644
index 000000000000..c47f4cd790a9
--- /dev/null
+++ b/sys/dev/mana/mana_sysctl.h
@@ -0,0 +1,48 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2015-2020 Amazon.com, Inc. or its affiliates.
+ * 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, 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 COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "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 COPYRIGHT
+ * OWNER OR CONTRIBUTORS 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 MANA_SYSCTL_H
+#define MANA_SYSCTL_H
+
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/sysctl.h>
+#include <sys/systm.h>
+
+#include "mana.h"
+
+void mana_sysctl_add_port(struct mana_port_context *apc);
+void mana_sysctl_add_queues(struct mana_port_context *apc);
+void mana_sysctl_free_queues(struct mana_port_context *apc);
+
+#endif /* !(MANA_SYSCTL_H) */