gpu_mem_util.h

/*
 * Copyright (c) 2019 Mellanox Technologies, Inc.  All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - 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.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#ifndef _GPU_MEM_UTIL_H_
#define _GPU_MEM_UTIL_H_

#ifdef __cplusplus
extern "C" {
#endif

/*
 * Memory allocation on CPU or GPU according to HAVE_CUDA pre-compile option and use_cuda flag
 *
 * returns: a pointer to the allocated buffer or NULL on error
 */
void *work_buffer_alloc(size_t length, int use_cuda, const char *bdf);

/*
 * CPU or GPU memory free, according to HAVE_CUDA pre-compile option and use_cuda flag
 */
void work_buffer_free(void *buff, int use_cuda);


#ifdef __cplusplus
}
#endif

#endif /* _GPU_MEM_UTIL_H_ */