You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
98 lines
4.0 KiB
C
98 lines
4.0 KiB
C
/* Copyright 2013,2014 NVIDIA Corporation. All rights reserved.
|
|
*
|
|
* NOTICE TO LICENSEE:
|
|
*
|
|
* The source code and/or documentation ("Licensed Deliverables") are
|
|
* subject to NVIDIA intellectual property rights under U.S. and
|
|
* international Copyright laws.
|
|
*
|
|
* The Licensed Deliverables contained herein are PROPRIETARY and
|
|
* CONFIDENTIAL to NVIDIA and are being provided under the terms and
|
|
* conditions of a form of NVIDIA software license agreement by and
|
|
* between NVIDIA and Licensee ("License Agreement") or electronically
|
|
* accepted by Licensee. Notwithstanding any terms or conditions to
|
|
* the contrary in the License Agreement, reproduction or disclosure
|
|
* of the Licensed Deliverables to any third party without the express
|
|
* written consent of NVIDIA is prohibited.
|
|
*
|
|
* NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE
|
|
* LICENSE AGREEMENT, NVIDIA MAKES NO REPRESENTATION ABOUT THE
|
|
* SUITABILITY OF THESE LICENSED DELIVERABLES FOR ANY PURPOSE. THEY ARE
|
|
* PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND.
|
|
* NVIDIA DISCLAIMS ALL WARRANTIES WITH REGARD TO THESE LICENSED
|
|
* DELIVERABLES, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY,
|
|
* NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE.
|
|
* NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE
|
|
* LICENSE AGREEMENT, IN NO EVENT SHALL NVIDIA BE LIABLE FOR ANY
|
|
* SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, OR ANY
|
|
* DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
|
|
* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
|
|
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
|
|
* OF THESE LICENSED DELIVERABLES.
|
|
*
|
|
* U.S. Government End Users. These Licensed Deliverables are a
|
|
* "commercial item" as that term is defined at 48 C.F.R. 2.101 (OCT
|
|
* 1995), consisting of "commercial computer software" and "commercial
|
|
* computer software documentation" as such terms are used in 48
|
|
* C.F.R. 12.212 (SEPT 1995) and are provided to the U.S. Government
|
|
* only as a commercial end item. Consistent with 48 C.F.R.12.212 and
|
|
* 48 C.F.R. 227.7202-1 through 227.7202-4 (JUNE 1995), all
|
|
* U.S. Government End Users acquire the Licensed Deliverables with
|
|
* only those rights set forth herein.
|
|
*
|
|
* Any use of the Licensed Deliverables in individual and commercial
|
|
* software must include, in the user documentation and internal
|
|
* comments to the code, the above Disclaimer and U.S. Government End
|
|
* Users Notice.
|
|
*/
|
|
|
|
/*!
|
|
* \file cudalibxt.h
|
|
* \brief Public header file for the NVIDIA library multi-GPU support structures
|
|
*/
|
|
|
|
#ifndef _CUDA_LIB_XT_H_
|
|
#define _CUDA_LIB_XT_H_
|
|
#include <cuda_runtime.h>
|
|
|
|
#define CUDA_XT_DESCRIPTOR_VERSION 0x01000000 // This is added to CUDART_VERSION
|
|
|
|
enum cudaXtCopyType_t {
|
|
LIB_XT_COPY_HOST_TO_DEVICE,
|
|
LIB_XT_COPY_DEVICE_TO_HOST,
|
|
LIB_XT_COPY_DEVICE_TO_DEVICE
|
|
} ;
|
|
typedef enum cudaXtCopyType_t cudaLibXtCopyType;
|
|
|
|
enum libFormat_t {
|
|
LIB_FORMAT_CUFFT = 0x0,
|
|
LIB_FORMAT_UNDEFINED = 0x1
|
|
};
|
|
|
|
typedef enum libFormat_t libFormat;
|
|
|
|
#define MAX_CUDA_DESCRIPTOR_GPUS 64
|
|
|
|
struct cudaXtDesc_t{
|
|
int version; //descriptor version
|
|
int nGPUs; //number of GPUs
|
|
int GPUs[MAX_CUDA_DESCRIPTOR_GPUS]; //array of device IDs
|
|
void *data[MAX_CUDA_DESCRIPTOR_GPUS]; //array of pointers to data, one per GPU
|
|
size_t size[MAX_CUDA_DESCRIPTOR_GPUS]; //array of data sizes, one per GPU
|
|
void *cudaXtState; //opaque CUDA utility structure
|
|
};
|
|
typedef struct cudaXtDesc_t cudaXtDesc;
|
|
|
|
struct cudaLibXtDesc_t{
|
|
int version; //descriptor version
|
|
cudaXtDesc *descriptor; //multi-GPU memory descriptor
|
|
libFormat library; //which library recognizes the format
|
|
int subFormat; //library specific enumerator of sub formats
|
|
void *libDescriptor; //library specific descriptor e.g. FFT transform plan object
|
|
};
|
|
typedef struct cudaLibXtDesc_t cudaLibXtDesc;
|
|
|
|
|
|
#endif
|
|
|