Source code that accompanies The CUDA Handbook.
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/*
*
* chDrv.h
*
* Header file for helper classes and functions for driver API.
*
* Copyright (c) 2011-2012, Archaea Software, LLC.
* All rights reserved.
* 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.
*
* 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 OWNER 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.
*
*/
#ifndef __CHDRV_H__
#define __CHDRV_H__
#include <cuda.h>
#include <chDrv.h>
#include <chError.h>
#include <stdio.h>
#include <string>
#include <list>
#include <map>
#include <vector>
using namespace std;
class chCUDADevice
{
public:
chCUDADevice();
virtual ~chCUDADevice();
CUresult Initialize(
int ordinal,
list<string>& moduleList,
unsigned int Flags = 0,
unsigned int numOptions = 0,
CUjit_option *options = NULL,
void **optionValues = NULL );
CUresult loadModuleFromFile(
CUmodule *pModule,
string fileName,
unsigned int numOptions = 0,
CUjit_option *options = NULL,
void **optionValues = NULL );
CUdevice device() const { return m_device; }
CUcontext context() const { return m_context; }
CUmodule module( string s ) const { return (*m_modules.find(s)).second; }
private:
CUdevice m_device;
CUcontext m_context;
map<string, CUmodule> m_modules;
};
inline
chCUDADevice::chCUDADevice()
{
m_device = 0;
m_context = 0;
}
inline
chCUDADevice::~chCUDADevice()
{
for ( map<string, CUmodule>::iterator it = m_modules.begin();
it != m_modules.end();
it ++ ) {
cuModuleUnload( (*it).second );
}
cuCtxDestroy( m_context );
}
extern vector<chCUDADevice *> g_CUDAdevices;
extern CUresult chCUDAInitialize( list<string>& moduleList );
#endif