boinc/lib/coproc.h

// Berkeley Open Infrastructure for Network Computing
// http://boinc.berkeley.edu
// Copyright (C) 2008 University of California
//
// This 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 software 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.
//
// To view the GNU Lesser General Public License visit
// http://www.gnu.org/copyleft/lesser.html
// or write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#ifndef _COPROC_
#define _COPROC_

#include <vector>
#include <cstring>

#ifdef _USING_FCGI_
#include "fcgi_stdio.h"
#endif

#include "miofile.h"

struct COPROC {
    char type[256];     // must be unique
    int count;          // how many are present
    int used;           // how many are in use (used by client)

#ifndef _USING_FCGI_
    virtual void write_xml(MIOFILE&);
#endif
    COPROC(const char* t){
        strcpy(type, t);
        count = 0;
        used = 0;
    }
    virtual ~COPROC(){}
    int parse(MIOFILE&);
};

struct COPROCS {
    std::vector<COPROC*> coprocs;   // not deleted in destructor
        // so any structure that includes this needs to do it manually

    COPROCS(){}
    ~COPROCS(){}
    void delete_coprocs(){
        for (unsigned int i=0; i<coprocs.size(); i++) {
            delete coprocs[i];
        }
    }
#ifndef _USING_FCGI_
    void write_xml(MIOFILE& out) {
        for (unsigned int i=0; i<coprocs.size(); i++) {
            coprocs[i]->write_xml(out);
        }
    }
#endif
    const char* get();
    int parse(FILE*);
    COPROC* lookup(char*);
    bool sufficient_coprocs(COPROCS&, bool verbose);
    void reserve_coprocs(COPROCS&, bool verbose);
    void free_coprocs(COPROCS&, bool verbose);
    void clone(COPROCS& c) {
        for (unsigned int i=0; i<c.coprocs.size(); i++) {
            COPROC* cp = c.coprocs[i];
            COPROC* cp2 = new COPROC(cp->type);
            cp2->count = cp->count;
            coprocs.push_back(cp2);
        }
    }
};

// the following copied from /usr/local/cuda/include/driver_types.h
//
struct cudaDeviceProp {
  char   name[256];
  size_t totalGlobalMem;
  size_t sharedMemPerBlock;
  int    regsPerBlock;
  int    warpSize;
  size_t memPitch;
  int    maxThreadsPerBlock;
  int    maxThreadsDim[3];
  int    maxGridSize[3];
  size_t totalConstMem;
  int    major;
  int    minor;
  int    clockRate;
  size_t textureAlignment;
};

struct COPROC_CUDA : public COPROC {
    cudaDeviceProp prop;

#ifndef _USING_FCGI_
    virtual void write_xml(MIOFILE&);
#endif
    COPROC_CUDA(): COPROC("CUDA"){}
    virtual ~COPROC_CUDA(){}
    static const char* get(COPROCS&);
    void clear();
    int parse(FILE*);
};


struct COPROC_CELL_SPE : public COPROC {
    static const char* get(COPROCS&);
    COPROC_CELL_SPE() : COPROC("Cell SPE"){}
    virtual ~COPROC_CELL_SPE(){}
};

void fake_cuda(COPROCS&);

#endif