deculzss.h

/***************************************************************************
 *          Lempel, Ziv, Storer, and Szymanski Encoding and Decoding on CUDA
 *
 *
 ****************************************************************************
 *          CUDA LZSS 
 *   Authors  : Adnan Ozsoy, Martin Swany,Indiana University - Bloomington
 *   Date    : April 11, 2011
 
 ****************************************************************************
 
         Copyright 2011 Adnan Ozsoy, Martin Swany, Indiana University - Bloomington
 
         Licensed under the Apache License, Version 2.0 (the "License");
         you may not use this file except in compliance with the License.
         You may obtain a copy of the License at
 
     http://www.apache.org/licenses/LICENSE-2.0
 
         Unless required by applicable law or agreed to in writing, software
         distributed under the License is distributed on an "AS IS" BASIS,
         WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
         See the License for the specific language governing permissions and
         limitations under the License.
 ****************************************************************************/
 
 /***************************************************************************
 * Code is adopted from below source
 *
 * LZSS: An ANSI C LZss Encoding/Decoding Routine
 * Copyright (C) 2003 by Michael Dipperstein (mdipper@cs.ucsb.edu)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 ***************************************************************************/

#ifndef DECULZSS_H
#define DECULZSS_H
 
#define LOOP 1
#define NUMBUF 4
//#define BUFSIZE	134217728
//1048576
//262144
//16777216
//16384
//134217728

#include <pthread.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>

typedef struct {
	unsigned char ** buf;
	unsigned char ** bufout;
	
	unsigned char * in_d;	
	unsigned char * out_d;	
	
	int headRG;
	int headGW;
	int headWR;
	int * ledger;
	
	int compsize[NUMBUF];
	//int full, empty;
	pthread_mutex_t *mut;
	pthread_cond_t *rcvd, *decomp, *wrote;
} dequeue;


//gpu functions
//extern int  compression_kernel_wrapper(unsigned char * buffer, int buf_length,unsigned char * compressed_buffer, int compression_type, int wsize, int numthre, int nstreams, int index,unsigned char * in_d,unsigned char * out_d);
extern int  decompression_kernel_wrapper(unsigned char * buffer, int buf_length, int * comp_length, int compression_type, int wsize, int numthre);
//extern int writedecompression_wrapper(unsigned char * buffer, int buf_length, unsigned char * bufferout, int * comp_length);
extern unsigned char * deinitGPUmem( int buf_length);
extern void dedeleteGPUmem(unsigned char * mem_d);
extern void deinitGPU();

//Queue functions
dequeue *dequeueInit (int bufsize, int numbufs,int padding );
void dequeueDelete (dequeue *q);
void dequeueAdd (dequeue *q, int in);

void init_decompression(dequeue * fifo, char * filename);
void join_decomp_threads();


#endif