From ed1c64c8196520c40dbfe406d7c54f2907f3b0fb Mon Sep 17 00:00:00 2001
From: Moritz Fischer <moritz.fischer@ettus.com>
Date: Tue, 6 Jun 2017 15:43:56 -0700
Subject: transport: Added liberio_zero_copy transport implementation

This adds a zero copy transport using the liberio library.

Currently supported API version for liberio is 0.3, this might
still very much break, since the library is still in development.

So far nobody uses it UHD so we might as well merge it.

Signed-off-by: Alex Williams <alex.williams@ni.com>
Signed-off-by: Moritz Fischer <moritz.fischer@ettus.com>
---
 host/lib/transport/liberio_zero_copy.hpp | 36 ++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 host/lib/transport/liberio_zero_copy.hpp

(limited to 'host/lib/transport/liberio_zero_copy.hpp')

diff --git a/host/lib/transport/liberio_zero_copy.hpp b/host/lib/transport/liberio_zero_copy.hpp
new file mode 100644
index 000000000..bf23b1321
--- /dev/null
+++ b/host/lib/transport/liberio_zero_copy.hpp
@@ -0,0 +1,36 @@
+//
+// Copyright 2017 Ettus Research
+//
+// SPDX-License-Identifier: GPL-3.0+
+//
+
+#ifndef LIBERIO_HPP
+#define LIBERIO_HPP
+
+#include <string>
+#include <vector>
+
+#include <uhd/config.hpp>
+#include <uhd/transport/zero_copy.hpp>
+#include <uhd/types/device_addr.hpp>
+#include <boost/shared_ptr.hpp>
+
+namespace uhd { namespace transport {
+
+/*!
+ * A zero copy transport interface to the liberio DMA library.
+ */
+class liberio_zero_copy : public virtual zero_copy_if {
+public:
+    typedef boost::shared_ptr<liberio_zero_copy> sptr;
+
+    static sptr make(
+        const std::string &tx_path,
+        const std::string &rx_path,
+        const zero_copy_xport_params &default_buff_args
+    );
+};
+
+}}
+
+#endif /* LIBERIO_HPP */
-- 
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