/*
* Copyright (c) 2001-2020 Mellanox Technologies, Ltd. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - 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.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef TIME_CONVERTER_H
#define TIME_CONVERTER_H
#include <tr1/unordered_map>
#include <infiniband/verbs.h>
#include "vma/util/sys_vars.h"
#include "vma/sock/cleanable_obj.h"
#include "vma/event/timer_handler.h"
class net_device_val;
typedef std::tr1::unordered_map<int, net_device_val*> net_device_map_t;
class ctx_timestamping_params_t {
public:
uint64_t hca_core_clock;
uint64_t sync_hw_clock;
struct timespec sync_systime;
ctx_timestamping_params_t() : hca_core_clock(0), sync_hw_clock(0) {
sync_systime.tv_sec = 0;
sync_systime.tv_nsec = 0;
}
};
class time_converter : public timer_handler, public cleanable_obj
{
public:
time_converter(): m_timer_handle(NULL), m_converter_status(TS_CONVERSION_MODE_DISABLE) {};
virtual ~time_converter() = 0;
virtual void convert_hw_time_to_system_time(uint64_t hwtime, struct timespec* systime) = 0;
virtual void handle_timer_expired(void* user_data) = 0;
virtual void clean_obj();
ts_conversion_mode_t get_converter_status() { return m_converter_status; };
static ts_conversion_mode_t update_device_converters_status(net_device_map_t& net_devices);
protected:
void* m_timer_handle;
ts_conversion_mode_t m_converter_status;
static uint32_t get_single_converter_status(struct ibv_context* ctx);
};
// pure virtual destructor implementation
inline time_converter::~time_converter() { }
#endif //TIME_CONVERTER_H