From 1d3866bef4e4677b95d3364b94880d7823d2530f Mon Sep 17 00:00:00 2001
From: RobertWalstab <robert.walstab@gmail.com>
Date: Tue, 14 Jul 2020 10:55:35 +0200
Subject: uhd: remove liberio

---
 host/lib/include/uhdlib/transport/liberio_link.hpp | 178 ---------------------
 1 file changed, 178 deletions(-)
 delete mode 100644 host/lib/include/uhdlib/transport/liberio_link.hpp

(limited to 'host/lib/include')

diff --git a/host/lib/include/uhdlib/transport/liberio_link.hpp b/host/lib/include/uhdlib/transport/liberio_link.hpp
deleted file mode 100644
index e81a39393..000000000
--- a/host/lib/include/uhdlib/transport/liberio_link.hpp
+++ /dev/null
@@ -1,178 +0,0 @@
-//
-// Copyright 2019 Ettus Research, a National Instruments brand
-//
-// SPDX-License-Identifier: GPL-3.0-or-later
-//
-
-#pragma once
-
-#include <uhd/config.hpp>
-#include <uhd/transport/buffer_pool.hpp>
-#include <uhd/types/device_addr.hpp>
-#include <uhdlib/transport/adapter_info.hpp>
-#include <uhdlib/transport/link_base.hpp>
-#include <liberio/liberio.h>
-#include <cassert>
-#include <string>
-#include <vector>
-
-namespace uhd { namespace transport {
-
-class liberio_frame_buff : public frame_buff
-{
-public:
-    liberio_frame_buff(struct liberio_chan* chan) : _chan(chan)
-    {
-        assert(_chan);
-        // Acquire channel reference
-        liberio_chan_get(_chan);
-    }
-
-    ~liberio_frame_buff()
-    {
-        if (_buff) {
-            // Set payload size to signify "empty"
-            liberio_buf_set_payload(_buff, 0, 0);
-
-            // Release buffer back to liberio
-            liberio_chan_buf_enqueue(_chan, _buff);
-            _buff = nullptr;
-            _data = nullptr;
-        }
-        // Release channel reference
-        liberio_chan_put(_chan);
-    }
-
-    liberio_frame_buff(const liberio_frame_buff& src) : liberio_frame_buff(src._chan) {}
-
-    UHD_FORCE_INLINE size_t get(int32_t timeout_ms)
-    {
-        // Dequeue timeout in microseconds
-        _buff = liberio_chan_buf_dequeue(_chan, timeout_ms * 1000);
-        if (!_buff) {
-            return 0;
-        }
-        _packet_size = liberio_buf_get_len(_buff, 0);
-        _data        = liberio_buf_get_mem(_buff, 0);
-        return _packet_size;
-    }
-
-    UHD_FORCE_INLINE void release()
-    {
-        assert(_buff);
-        liberio_buf_set_payload(_buff, 0, _packet_size);
-        liberio_chan_buf_enqueue(_chan, _buff);
-        _buff = nullptr;
-        _data = nullptr;
-    }
-
-private:
-    struct liberio_buf* _buff = nullptr;
-    struct liberio_chan* _chan;
-};
-
-class liberio_adapter_info : public adapter_info
-{
-public:
-    liberio_adapter_info()  = default;
-    ~liberio_adapter_info() = default;
-
-    std::string to_string()
-    {
-        // Currently, there is only ever one liberio adapter
-        // If that changes, fix this!
-        return std::string("Liberio");
-    }
-
-    bool operator==(const liberio_adapter_info& /*rhs*/) const
-    {
-        // Currently, there is only ever one liberio adapter
-        // If that changes, fix this!
-        return true;
-    }
-};
-
-/*!
- * A zero copy transport interface to the liberio DMA library.
- */
-class liberio_link : public recv_link_base<liberio_link>,
-                     public send_link_base<liberio_link>
-{
-public:
-    using sptr = std::shared_ptr<liberio_link>;
-
-    liberio_link(const std::string& tx_path,
-        const std::string& rx_path,
-        const link_params_t& params);
-
-    ~liberio_link();
-
-    /*!
-     * Make a new liberio link.
-     *
-     * \param tx_path a path string to the TX DMA device
-     * \param rx_path a path string to the RX DMA device
-     * \param params Values for frame sizes, num frames, and buffer sizes
-     * \return a shared_ptr to a new liberio link
-     */
-    static sptr make(const std::string& tx_path,
-        const std::string& rx_path,
-        const link_params_t& params);
-
-    /*!
-     * Get the physical adapter ID used for this link
-     */
-    adapter_id_t get_send_adapter_id() const
-    {
-        return _adapter_id;
-    }
-
-    /*!
-     * Get the physical adapter ID used for this link
-     */
-    adapter_id_t get_recv_adapter_id() const
-    {
-        return _adapter_id;
-    }
-
-private:
-    using recv_link_base_t = recv_link_base<liberio_link>;
-    using send_link_base_t = send_link_base<liberio_link>;
-
-    // Friend declarations to allow base classes to call private methods
-    friend recv_link_base_t;
-    friend send_link_base_t;
-
-    // Methods called by recv_link_base
-    size_t get_recv_buff_derived(frame_buff& buff, int32_t timeout_ms)
-    {
-        auto& buffer = static_cast<liberio_frame_buff&>(buff);
-        return buffer.get(timeout_ms);
-    }
-
-    void release_recv_buff_derived(frame_buff& buff)
-    {
-        auto& buffer = static_cast<liberio_frame_buff&>(buff);
-        buffer.release();
-    }
-
-    bool get_send_buff_derived(frame_buff& buff, int32_t timeout_ms)
-    {
-        auto& buffer = static_cast<liberio_frame_buff&>(buff);
-        return buffer.get(timeout_ms);
-    }
-
-    void release_send_buff_derived(frame_buff& buff)
-    {
-        auto& buffer = static_cast<liberio_frame_buff&>(buff);
-        buffer.release();
-    }
-
-    struct liberio_chan* _tx_chan;
-    struct liberio_chan* _rx_chan;
-    std::vector<liberio_frame_buff> _recv_buffs;
-    std::vector<liberio_frame_buff> _send_buffs;
-    adapter_id_t _adapter_id;
-};
-
-}} // namespace uhd::transport
-- 
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