xref: /libCEED/rust/libceed-sys/c-src/backends/cuda/ceed-cuda-common.h (revision 2b730f8b5a9c809740a0b3b302db43a719c636b1)
13d8e8822SJeremy L Thompson // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors.
23d8e8822SJeremy L Thompson // All Rights Reserved. See the top-level LICENSE and NOTICE files for details.
37fcac036SJeremy L Thompson //
43d8e8822SJeremy L Thompson // SPDX-License-Identifier: BSD-2-Clause
57fcac036SJeremy L Thompson //
63d8e8822SJeremy L Thompson // This file is part of CEED:  http://github.com/ceed
77fcac036SJeremy L Thompson 
87fcac036SJeremy L Thompson #ifndef _ceed_cuda_common_h
97fcac036SJeremy L Thompson #define _ceed_cuda_common_h
107fcac036SJeremy L Thompson 
117fcac036SJeremy L Thompson #include <ceed/backend.h>
129e201c85SYohann #include <ceed/jit-source/cuda/cuda-types.h>
137fcac036SJeremy L Thompson #include <cublas_v2.h>
147fcac036SJeremy L Thompson #include <cuda.h>
157fcac036SJeremy L Thompson #include <cuda_runtime.h>
167fcac036SJeremy L Thompson 
177fcac036SJeremy L Thompson #define QUOTE(...) #__VA_ARGS__
187fcac036SJeremy L Thompson 
197fcac036SJeremy L Thompson #define CeedChk_Cu(ceed, x)                              \
207fcac036SJeremy L Thompson   do {                                                   \
21c9c2c079SJeremy L Thompson     CUresult cuda_result = (CUresult)x;                  \
227fcac036SJeremy L Thompson     if (cuda_result != CUDA_SUCCESS) {                   \
237fcac036SJeremy L Thompson       const char *msg;                                   \
247fcac036SJeremy L Thompson       cuGetErrorName(cuda_result, &msg);                 \
257fcac036SJeremy L Thompson       return CeedError((ceed), CEED_ERROR_BACKEND, msg); \
267fcac036SJeremy L Thompson     }                                                    \
277fcac036SJeremy L Thompson   } while (0)
287fcac036SJeremy L Thompson 
297fcac036SJeremy L Thompson #define CeedChk_Cublas(ceed, x)                            \
307fcac036SJeremy L Thompson   do {                                                     \
317fcac036SJeremy L Thompson     cublasStatus_t cublas_result = x;                      \
327fcac036SJeremy L Thompson     if (cublas_result != CUBLAS_STATUS_SUCCESS) {          \
337fcac036SJeremy L Thompson       const char *msg = cublasGetErrorName(cublas_result); \
347fcac036SJeremy L Thompson       return CeedError((ceed), CEED_ERROR_BACKEND, msg);   \
357fcac036SJeremy L Thompson     }                                                      \
367fcac036SJeremy L Thompson   } while (0)
377fcac036SJeremy L Thompson 
38*2b730f8bSJeremy L Thompson #define CeedCallCuda(ceed, ...) \
39*2b730f8bSJeremy L Thompson   do {                          \
40*2b730f8bSJeremy L Thompson     int ierr_q_ = __VA_ARGS__;  \
41*2b730f8bSJeremy L Thompson     CeedChk_Cu(ceed, ierr_q_);  \
42*2b730f8bSJeremy L Thompson   } while (0);
43*2b730f8bSJeremy L Thompson 
44*2b730f8bSJeremy L Thompson #define CeedCallCublas(ceed, ...)  \
45*2b730f8bSJeremy L Thompson   do {                             \
46*2b730f8bSJeremy L Thompson     int ierr_q_ = __VA_ARGS__;     \
47*2b730f8bSJeremy L Thompson     CeedChk_Cublas(ceed, ierr_q_); \
48*2b730f8bSJeremy L Thompson   } while (0);
49*2b730f8bSJeremy L Thompson 
50*2b730f8bSJeremy L Thompson #define CASE(name) \
51*2b730f8bSJeremy L Thompson   case name:       \
52*2b730f8bSJeremy L Thompson     return #name
537fcac036SJeremy L Thompson // LCOV_EXCL_START
547fcac036SJeremy L Thompson static const char *cublasGetErrorName(cublasStatus_t error) {
557fcac036SJeremy L Thompson   switch (error) {
567fcac036SJeremy L Thompson     CASE(CUBLAS_STATUS_SUCCESS);
577fcac036SJeremy L Thompson     CASE(CUBLAS_STATUS_NOT_INITIALIZED);
587fcac036SJeremy L Thompson     CASE(CUBLAS_STATUS_ALLOC_FAILED);
597fcac036SJeremy L Thompson     CASE(CUBLAS_STATUS_INVALID_VALUE);
607fcac036SJeremy L Thompson     CASE(CUBLAS_STATUS_ARCH_MISMATCH);
617fcac036SJeremy L Thompson     CASE(CUBLAS_STATUS_MAPPING_ERROR);
627fcac036SJeremy L Thompson     CASE(CUBLAS_STATUS_EXECUTION_FAILED);
637fcac036SJeremy L Thompson     CASE(CUBLAS_STATUS_INTERNAL_ERROR);
64*2b730f8bSJeremy L Thompson     default:
65*2b730f8bSJeremy L Thompson       return "CUBLAS_STATUS_UNKNOWN_ERROR";
667fcac036SJeremy L Thompson   }
677fcac036SJeremy L Thompson }
687fcac036SJeremy L Thompson // LCOV_EXCL_STOP
697fcac036SJeremy L Thompson 
707fcac036SJeremy L Thompson typedef struct {
710d0321e0SJeremy L Thompson   int                   device_id;
720d0321e0SJeremy L Thompson   cublasHandle_t        cublas_handle;
730d0321e0SJeremy L Thompson   struct cudaDeviceProp device_prop;
747fcac036SJeremy L Thompson } Ceed_Cuda;
757fcac036SJeremy L Thompson 
76*2b730f8bSJeremy L Thompson CEED_INTERN int CeedCudaGetResourceRoot(Ceed ceed, const char *resource, char **resource_root);
77b11824b3SJeremy L Thompson 
78f87d896cSJeremy L Thompson CEED_INTERN int CeedCudaInit(Ceed ceed, const char *resource);
797fcac036SJeremy L Thompson 
807fcac036SJeremy L Thompson CEED_INTERN int CeedDestroy_Cuda(Ceed ceed);
817fcac036SJeremy L Thompson 
827fcac036SJeremy L Thompson #endif  // _ceed_cuda_common_h