1 // Copyright (c) 2017-2018, Lawrence Livermore National Security, LLC. 2 // Produced at the Lawrence Livermore National Laboratory. LLNL-CODE-734707. 3 // All Rights reserved. See files LICENSE and NOTICE for details. 4 // 5 // This file is part of CEED, a collection of benchmarks, miniapps, software 6 // libraries and APIs for efficient high-order finite element and spectral 7 // element discretizations for exascale applications. For more information and 8 // source code availability see http://github.com/ceed. 9 // 10 // The CEED research is supported by the Exascale Computing Project 17-SC-20-SC, 11 // a collaborative effort of two U.S. Department of Energy organizations (Office 12 // of Science and the National Nuclear Security Administration) responsible for 13 // the planning and preparation of a capable exascale ecosystem, including 14 // software, applications, hardware, advanced system engineering and early 15 // testbed platforms, in support of the nation's exascale computing imperative. 16 17 #ifndef _ceed_cuda_common_h 18 #define _ceed_cuda_common_h 19 20 #include <ceed/ceed.h> 21 #include <ceed/backend.h> 22 #include <cublas_v2.h> 23 #include <cuda.h> 24 #include <cuda_runtime.h> 25 26 #define QUOTE(...) #__VA_ARGS__ 27 28 #define CUDA_MAX_PATH 256 29 30 #define CeedChk_Cu(ceed, x) \ 31 do { \ 32 CUresult cuda_result = x; \ 33 if (cuda_result != CUDA_SUCCESS) { \ 34 const char *msg; \ 35 cuGetErrorName(cuda_result, &msg); \ 36 return CeedError((ceed), CEED_ERROR_BACKEND, msg); \ 37 } \ 38 } while (0) 39 40 #define CeedChk_Cublas(ceed, x) \ 41 do { \ 42 cublasStatus_t cublas_result = x; \ 43 if (cublas_result != CUBLAS_STATUS_SUCCESS) { \ 44 const char *msg = cublasGetErrorName(cublas_result); \ 45 return CeedError((ceed), CEED_ERROR_BACKEND, msg); \ 46 } \ 47 } while (0) 48 49 #define CASE(name) case name: return #name 50 // LCOV_EXCL_START 51 static const char *cublasGetErrorName(cublasStatus_t error) { 52 switch (error) { 53 CASE(CUBLAS_STATUS_SUCCESS); 54 CASE(CUBLAS_STATUS_NOT_INITIALIZED); 55 CASE(CUBLAS_STATUS_ALLOC_FAILED); 56 CASE(CUBLAS_STATUS_INVALID_VALUE); 57 CASE(CUBLAS_STATUS_ARCH_MISMATCH); 58 CASE(CUBLAS_STATUS_MAPPING_ERROR); 59 CASE(CUBLAS_STATUS_EXECUTION_FAILED); 60 CASE(CUBLAS_STATUS_INTERNAL_ERROR); 61 default: return "CUBLAS_STATUS_UNKNOWN_ERROR"; 62 } 63 } 64 // LCOV_EXCL_STOP 65 66 typedef struct { 67 int deviceId; 68 cublasHandle_t cublasHandle; 69 struct cudaDeviceProp deviceProp; 70 } Ceed_Cuda; 71 72 CEED_INTERN int CeedCudaInit(Ceed ceed, const char *resource, int nrc); 73 74 CEED_INTERN int CeedDestroy_Cuda(Ceed ceed); 75 76 #endif // _ceed_cuda_common_h