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/*
* delayqueue.h
*
* Copyright (c) 2009 by Tor M. Aamodt, Wilson W. L. Fung, Ali Bakhoda,
* Ivan Sham, Henry Tran and the University of British Columbia
* Vancouver, BC V6T 1Z4
* All Rights Reserved.
*
* THIS IS A LEGAL DOCUMENT BY DOWNLOADING GPGPU-SIM, YOU ARE AGREEING TO THESE
* TERMS AND CONDITIONS.
*
* 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 OWNERS 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.
*
* NOTE: The files libcuda/cuda_runtime_api.c and src/cuda-sim/cuda-math.h
* are derived from the CUDA Toolset available from http://www.nvidia.com/cuda
* (property of NVIDIA). The files benchmarks/BlackScholes/ and
* benchmarks/template/ are derived from the CUDA SDK available from
* http://www.nvidia.com/cuda (also property of NVIDIA). The files from
* src/intersim/ are derived from Booksim (a simulator provided with the
* textbook "Principles and Practices of Interconnection Networks" available
* from http://cva.stanford.edu/books/ppin/). As such, those files are bound by
* the corresponding legal terms and conditions set forth separately (original
* copyright notices are left in files from these sources and where we have
* modified a file our copyright notice appears before the original copyright
* notice).
*
* Using this version of GPGPU-Sim requires a complete installation of CUDA
* which is distributed seperately by NVIDIA under separate terms and
* conditions. To use this version of GPGPU-Sim with OpenCL requires a
* recent version of NVIDIA's drivers which support OpenCL.
*
* 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.
*
* 3. Neither the name of the University of British Columbia nor the names of
* its contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* 4. This version of GPGPU-SIM is distributed freely for non-commercial use only.
*
* 5. No nonprofit user may place any restrictions on the use of this software,
* including as modified by the user, by any other authorized user.
*
* 6. GPGPU-SIM was developed primarily by Tor M. Aamodt, Wilson W. L. Fung,
* Ali Bakhoda, George L. Yuan, at the University of British Columbia,
* Vancouver, BC V6T 1Z4
*/
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#ifndef DELAYQUEUE_H
#define DELAYQUEUE_H
typedef struct delay_data_t delay_data;
struct delay_data_t {
void *data;
unsigned int time_elapsed;
delay_data *next;
unsigned long long push_time; //for stat collection
};
typedef struct {
const char* name;
int uid;
unsigned int latency;
unsigned int min_len;
unsigned int max_len;
unsigned int length;
unsigned int n_element;
delay_data *head;
delay_data *tail;
void* lat_stat; //a pointer to latency stats distribution structure
//occupancy stat
unsigned int max_size_stat;
unsigned int n_stat_samples;
float avg_size_stat;
} delay_queue;
unsigned char dq_full(delay_queue* dq );
unsigned char dq_empty(delay_queue* dq );
unsigned int dq_n_element(delay_queue* dq );
unsigned char dq_push(delay_queue* dq, void* data);
void* dq_pop(delay_queue* dq);
void dq_set_min_length(delay_queue* dq, unsigned int new_min_len);
void removeEntry(void* data, delay_queue** dq, int size_dq);
delay_queue* dq_create( const char* name,
unsigned int latency,
unsigned int min_len,
unsigned int max_len);
void dq_remove(void* data, delay_queue* dq);
void dq_print(delay_queue* dq);
void dq_free(delay_queue* dq);
void* dq_top(delay_queue* dq);//return the data in the head without poping the queue
void dq_update_stat(delay_queue* dq);
void dq_print_stat(delay_queue* dq);
#endif
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