text: /*
   * This file is part of the GROMACS molecular simulation package.
   *
   * Copyright (c) 1991-2000, University of Groningen, The Netherlands.
   * Copyright (c) 2001-2010, The GROMACS development team,
   * check out http://www.gromacs.org for more information.
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   * David van der Spoel, Berk Hess, Erik Lindahl, and including many
   * others, as listed in the AUTHORS file in the top-level source
   * directory and at http://www.gromacs.org.
   *
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   * as published by the Free Software Foundation; either version 2.1
   * of the License, or (at your option) any later version.
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   */
  
  #ifndef _GPU_UTILS_H_
  #define _GPU_UTILS_H_
  
  #include "types/simple.h"
  #include "types/hw_info.h"
  
  #ifdef GMX_GPU
  #define FUNC_TERM_INT ;
  #define FUNC_TERM_VOID ;
  #define FUNC_QUALIFIER
  #else
  #define FUNC_TERM_INT {return -1; }
  #define FUNC_TERM_VOID {}
  #define FUNC_QUALIFIER static
  #endif
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  FUNC_QUALIFIER
  int do_quick_memtest(int dev_id) FUNC_TERM_INT
  
  FUNC_QUALIFIER
  int do_full_memtest(int dev_id) FUNC_TERM_INT
  
  FUNC_QUALIFIER
  int do_timed_memtest(int dev_id, int time_limit) FUNC_TERM_INT
  
  FUNC_QUALIFIER
  int detect_cuda_gpus(gmx_gpu_info_t *gpu_info, char *err_str) FUNC_TERM_INT
  
  FUNC_QUALIFIER
  void pick_compatible_gpus(const gmx_gpu_info_t *gpu_info,
                            gmx_gpu_opt_t *gpu_opt) FUNC_TERM_VOID
  
  FUNC_QUALIFIER
  gmx_bool check_selected_cuda_gpus(int *checkres,
                                    const gmx_gpu_info_t *gpu_info,
                                    gmx_gpu_opt_t *gpu_opt) FUNC_TERM_INT
  
  FUNC_QUALIFIER
  void free_gpu_info(const gmx_gpu_info_t *gpu_info) FUNC_TERM_VOID
  
  FUNC_QUALIFIER
  gmx_bool init_gpu(int mygpu, char *result_str,
                    const gmx_gpu_info_t *gpu_info,
                    const gmx_gpu_opt_t *gpu_opt) FUNC_TERM_INT
  
  FUNC_QUALIFIER
  gmx_bool free_gpu(char *result_str) FUNC_TERM_INT
  
  /*! \brief Returns the device ID of the GPU currently in use.*/
  FUNC_QUALIFIER
  int get_current_gpu_device_id(void) FUNC_TERM_INT
  
  FUNC_QUALIFIER
  int get_gpu_device_id(const gmx_gpu_info_t *gpu_info,
                        const gmx_gpu_opt_t *gpu_opt,
                        int index) FUNC_TERM_INT
  
  FUNC_QUALIFIER
  void get_gpu_device_info_string(char *s, const gmx_gpu_info_t *gpu_info, int index) FUNC_TERM_VOID
  
  FUNC_QUALIFIER
  size_t sizeof_cuda_dev_info(void) FUNC_TERM_INT
  
  #ifdef __cplusplus
  }
  #endif
  
  #undef FUNC_TERM_INT
  #undef FUNC_TERM_VOID
  #undef FUNC_QUALIFIER
  
  #endif /* _GPU_UTILS_H_ */
  