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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